add basic "proximity UI" that appears when you approach a game in progress

src/main/java/com/trunksbomb/minetriad/MineTriadClient.java

@@ -1,5 +1,6 @@
 package com.trunksbomb.minetriad;
 
+import com.trunksbomb.minetriad.client.hud.LocalDuelHudOverlay;
 import com.trunksbomb.minetriad.client.render.FirstPersonCardHandRenderer;
 import com.trunksbomb.minetriad.client.render.DuelTableBlockEntityRenderer;
 import com.trunksbomb.minetriad.client.screen.CardBinderScreen;
@@ -16,7 +17,9 @@ import net.neoforged.bus.api.IEventBus;
 import net.neoforged.fml.common.EventBusSubscriber;
 import net.neoforged.neoforge.client.event.EntityRenderersEvent;
 import net.neoforged.neoforge.client.event.RegisterMenuScreensEvent;
+import net.neoforged.neoforge.client.event.ClientTickEvent;
 import net.neoforged.neoforge.client.event.RenderHandEvent;
+import net.neoforged.neoforge.client.event.RenderGuiLayerEvent;
 
 @Mod(value = MineTriad.MOD_ID, dist = Dist.CLIENT)
 public final class MineTriadClient {
@@ -55,5 +58,15 @@ public final class MineTriadClient {
                     event.getEquipProgress(),
                     event.getItemStack());
         }
+
+        @SubscribeEvent
+        public static void onClientTick(ClientTickEvent.Post event) {
+            LocalDuelHudOverlay.onClientTick(event);
+        }
+
+        @SubscribeEvent
+        public static void onRenderGui(RenderGuiLayerEvent.Post event) {
+            LocalDuelHudOverlay.onRenderGui(event);
+        }
     }
 }

src/main/java/com/trunksbomb/minetriad/blockentity/DuelTableAnimationResolver.java

@@ -0,0 +1,115 @@
+package com.trunksbomb.minetriad.blockentity;
+
+import com.trunksbomb.minetriad.game.DuelSession;
+import com.trunksbomb.minetriad.game.DuelSessionManager;
+import com.trunksbomb.minetriad.game.MoveResult;
+import com.trunksbomb.minetriad.item.CardItem;
+import com.trunksbomb.minetriad.registry.TriadItems;
+
+import net.minecraft.ChatFormatting;
+import net.minecraft.core.BlockPos;
+import net.minecraft.network.chat.Component;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.world.level.Level;
+
+public final class DuelTableAnimationResolver {
+    private DuelTableAnimationResolver() {
+    }
+
+    static void handleAfterPlayerAnimation(Level level, BlockPos pos, DuelTableBlockEntity table, DuelSession session) {
+        ServerPlayer player = getPlayer(level, session);
+        if (player == null) {
+            return;
+        }
+
+        if (session.isComplete()) {
+            enterOverview(table, session, player);
+            return;
+        }
+
+        if (session.isAiVsAi()) {
+            startAiTurn(table, session, player);
+            return;
+        }
+
+        MoveResult opponentMove = session.playOpponentTurn();
+        if (!opponentMove.valid()) {
+            player.displayClientMessage(Component.literal(opponentMove.errorMessage()).withStyle(ChatFormatting.RED), false);
+            table.clearBoard();
+            DuelSessionManager.end(player, true);
+            return;
+        }
+
+        if (!table.setCard(opponentMove.playedCell().index(), CardItem.createCardStack(opponentMove.playedCardId(), TriadItems.TRIAD_CARD.get()), DuelTableBlockEntity.OWNER_SECOND)) {
+            player.displayClientMessage(Component.literal("The Duel Table could not stage the opponent move.").withStyle(ChatFormatting.RED), false);
+            table.clearBoard();
+            DuelSessionManager.end(player, true);
+            return;
+        }
+
+        session.beginOpponentAnimation();
+        table.updateHudState(session);
+        table.startMoveAnimation(opponentMove, DuelTableBlockEntity.OWNER_SECOND);
+    }
+
+    static void handleAfterOpponentAnimation(Level level, BlockPos pos, DuelTableBlockEntity table, DuelSession session) {
+        ServerPlayer player = getPlayer(level, session);
+        if (player == null) {
+            return;
+        }
+
+        if (session.isComplete()) {
+            enterOverview(table, session, player);
+            return;
+        }
+
+        if (session.isAiVsAi()) {
+            startAiTurn(table, session, player);
+            return;
+        }
+
+        session.returnToPlaying();
+        table.updateHudState(session);
+    }
+
+    public static void startAiTurn(DuelTableBlockEntity table, DuelSession session, ServerPlayer player) {
+        MoveResult aiMove = session.playAiTurn();
+        if (!aiMove.valid()) {
+            player.displayClientMessage(Component.literal(aiMove.errorMessage()).withStyle(ChatFormatting.RED), false);
+            table.clearBoard();
+            DuelSessionManager.end(player, true);
+            return;
+        }
+
+        int owner = session.isPlayerTurn() ? DuelTableBlockEntity.OWNER_SECOND : DuelTableBlockEntity.OWNER_FIRST;
+        if (!table.setCard(aiMove.playedCell().index(), CardItem.createCardStack(aiMove.playedCardId(), TriadItems.TRIAD_CARD.get()), owner)) {
+            player.displayClientMessage(Component.literal("The Duel Table could not stage the AI move.").withStyle(ChatFormatting.RED), false);
+            table.clearBoard();
+            DuelSessionManager.end(player, true);
+            return;
+        }
+
+        if (owner == DuelTableBlockEntity.OWNER_FIRST) {
+            session.beginPlayerAnimation();
+        } else {
+            session.beginOpponentAnimation();
+        }
+        table.updateHudState(session);
+        table.startMoveAnimation(aiMove, owner);
+    }
+
+    private static void enterOverview(DuelTableBlockEntity table, DuelSession session, ServerPlayer player) {
+        session.enterOverview();
+        table.setRewardCards(session.opponentRewardCards().stream()
+                .map(cardId -> CardItem.createCardStack(cardId, TriadItems.TRIAD_CARD.get()))
+                .toList());
+        table.removeBoardCardsOwnedBy(DuelTableBlockEntity.OWNER_SECOND);
+        table.updateHudState(session);
+        table.startOverviewSweepAnimation();
+        player.displayClientMessage(session.resultSummary().copy().withStyle(ChatFormatting.AQUA), false);
+    }
+
+    private static ServerPlayer getPlayer(Level level, DuelSession session) {
+        return level.getServer() == null ? null : level.getServer().getPlayerList().getPlayer(session.playerParticipantId());
+    }
+}

src/main/java/com/trunksbomb/minetriad/blockentity/DuelTableBlockEntity.java

@@ -1,34 +1,81 @@
 package com.trunksbomb.minetriad.blockentity;
 
+import java.util.ArrayDeque;
+import java.util.ArrayList;
+import java.util.List;
 import java.util.Optional;
 import java.util.UUID;
 
+import com.trunksbomb.minetriad.game.BoardCell;
+import com.trunksbomb.minetriad.game.DuelSession;
+import com.trunksbomb.minetriad.game.DuelSessionManager;
+import com.trunksbomb.minetriad.game.MoveResult;
 import com.trunksbomb.minetriad.registry.TriadBlockEntities;
 import com.trunksbomb.minetriad.registry.TriadItems;
 
+import net.minecraft.ChatFormatting;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.HolderLookup;
 import net.minecraft.core.NonNullList;
 import net.minecraft.nbt.CompoundTag;
+import net.minecraft.nbt.Tag;
 import net.minecraft.network.Connection;
 import net.minecraft.network.protocol.game.ClientboundBlockEntityDataPacket;
+import net.minecraft.network.chat.Component;
+import net.minecraft.world.entity.EntityType;
+import net.minecraft.world.entity.Interaction;
 import net.minecraft.world.ContainerHelper;
 import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.level.Level;
 import net.minecraft.world.level.block.Block;
 import net.minecraft.world.level.block.entity.BlockEntity;
 import net.minecraft.world.level.block.state.BlockState;
+import net.minecraft.world.phys.AABB;
+
+import com.trunksbomb.minetriad.game.BoardLocalSpace;
+import com.trunksbomb.minetriad.world.DuelTableBlock;
 
 public class DuelTableBlockEntity extends BlockEntity {
+    public static final String REWARD_PROXY_TAG = "minetriad.reward_proxy";
+    public static final String REWARD_PROXY_POS_PREFIX = "minetriad.reward_pos:";
+    public static final String REWARD_PROXY_SLOT_PREFIX = "minetriad.reward_slot:";
     public static final int SLOT_COUNT = 9;
+    public static final int REWARD_SLOT_COUNT = 5;
     public static final int OWNER_NONE = 0;
     public static final int OWNER_FIRST = 1;
     public static final int OWNER_SECOND = 2;
+    private static final int PLACEMENT_DURATION = 10;
+    private static final int CAPTURE_DURATION = 10;
+    private static final int OVERVIEW_SWEEP_DURATION = 18;
+    private static final int CLEAR_WAVE_DURATION = 10;
+    private static final int REWARD_TAKE_DURATION = 14;
 
     private final NonNullList<ItemStack> boardCards = NonNullList.withSize(SLOT_COUNT, ItemStack.EMPTY);
+    private final NonNullList<ItemStack> rewardCards = NonNullList.withSize(REWARD_SLOT_COUNT, ItemStack.EMPTY);
+    private final List<RewardTakeAnimation> rewardTakeAnimations = new ArrayList<>();
     private final int[] ownerSlots = new int[SLOT_COUNT];
+    private final int[] slotAges = new int[SLOT_COUNT];
+    private final ArrayDeque<AnimationStep> pendingAnimations = new ArrayDeque<>();
     private UUID firstParticipantId;
     private UUID secondParticipantId;
+    private AnimationType animationType = AnimationType.NONE;
+    private int[] animationSlots = new int[0];
+    private int animationTargetOwner = OWNER_NONE;
+    private int animationAge;
+    private int animationDuration;
+    private boolean animationOwnerApplied;
+    private TableAnimationType tableAnimationType = TableAnimationType.NONE;
+    private int tableAnimationAge;
+    private int tableAnimationDuration;
+    private boolean hudActive;
+    private int hudP1HandCount;
+    private int hudP2HandCount;
+    private int hudP1Score;
+    private int hudP2Score;
+    private String hudRules = "";
+    private String hudGameState = "";
+    private String hudTurn = "";
+    private String hudInstruction = "";
 
     public DuelTableBlockEntity(BlockPos pos, BlockState blockState) {
         super(TriadBlockEntities.DUEL_TABLE.get(), pos, blockState);
@@ -38,10 +85,32 @@ public class DuelTableBlockEntity extends BlockEntity {
         return boardCards.get(slot);
     }
 
+    public ItemStack getRewardCard(int slot) {
+        return slot >= 0 && slot < rewardCards.size() ? rewardCards.get(slot) : ItemStack.EMPTY;
+    }
+
+    public int rewardCardCount() {
+        int count = 0;
+        for (ItemStack rewardCard : rewardCards) {
+            if (!rewardCard.isEmpty()) {
+                count++;
+            }
+        }
+        return count;
+    }
+
+    public List<RewardTakeAnimation> rewardTakeAnimations() {
+        return List.copyOf(rewardTakeAnimations);
+    }
+
     public int ownerAt(int slot) {
         return ownerSlots[slot];
     }
 
+    public int slotAge(int slot) {
+        return slot >= 0 && slot < slotAges.length ? slotAges[slot] : 0;
+    }
+
     public Optional<UUID> firstParticipantId() {
         return Optional.ofNullable(firstParticipantId);
     }
@@ -50,12 +119,131 @@ public class DuelTableBlockEntity extends BlockEntity {
         return Optional.ofNullable(secondParticipantId);
     }
 
+    public boolean hudActive() {
+        return hudActive;
+    }
+
+    public int hudP1HandCount() {
+        return hudP1HandCount;
+    }
+
+    public int hudP2HandCount() {
+        return hudP2HandCount;
+    }
+
+    public int hudP1Score() {
+        return hudP1Score;
+    }
+
+    public int hudP2Score() {
+        return hudP2Score;
+    }
+
+    public String hudRules() {
+        return hudRules;
+    }
+
+    public String hudGameState() {
+        return hudGameState;
+    }
+
+    public String hudTurn() {
+        return hudTurn;
+    }
+
+    public String hudInstruction() {
+        return hudInstruction;
+    }
+
+    public boolean hasActiveAnimation() {
+        return animationType != AnimationType.NONE || tableAnimationType != TableAnimationType.NONE;
+    }
+
+    public String animationTypeName() {
+        return animationType.name();
+    }
+
+    public boolean isPlacementAnimation() {
+        return animationType == AnimationType.PLACEMENT;
+    }
+
+    public boolean isCaptureAnimation() {
+        return animationType == AnimationType.CAPTURE;
+    }
+
+    public int animationSlot() {
+        return animationSlots.length > 0 ? animationSlots[0] : -1;
+    }
+
+    public boolean isAnimatingSlot(int slot) {
+        for (int animatedSlot : animationSlots) {
+            if (animatedSlot == slot) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    public float animationProgress(float partialTick) {
+        if (!hasActiveAnimation() || animationDuration <= 0) {
+            return 0.0F;
+        }
+        return Math.clamp((animationAge + partialTick) / animationDuration, 0.0F, 1.0F);
+    }
+
+    public boolean hasOverviewSweepAnimation() {
+        return tableAnimationType == TableAnimationType.OVERVIEW_SWEEP;
+    }
+
+    public boolean hasClearWaveAnimation() {
+        return tableAnimationType == TableAnimationType.CLEARING;
+    }
+
+    public float tableAnimationProgress(float partialTick) {
+        if (tableAnimationType == TableAnimationType.NONE || tableAnimationDuration <= 0) {
+            return 0.0F;
+        }
+        return Math.clamp((tableAnimationAge + partialTick) / tableAnimationDuration, 0.0F, 1.0F);
+    }
+
+    public boolean animationOwnerApplied() {
+        return animationOwnerApplied;
+    }
+
     public void setParticipants(UUID firstParticipantId, UUID secondParticipantId) {
         this.firstParticipantId = firstParticipantId;
         this.secondParticipantId = secondParticipantId;
         sync();
     }
 
+    public void updateHudState(DuelSession session) {
+        hudActive = true;
+        hudP1HandCount = session.playerHandCount();
+        hudP2HandCount = session.opponentHandCount();
+        hudP1Score = session.playerScore();
+        hudP2Score = session.opponentScore();
+        hudRules = session.rulesSummary();
+        hudGameState = session.gameStateLabel();
+        hudTurn = session.turnIndicator();
+        hudInstruction = session.isInOverview()
+                ? rewardCardCount() > 0 ? "P1 choosing 1 cards to keep" : "Ready for next game"
+                : session.nextStepInstruction();
+        sync();
+    }
+
+    public void clearHudState() {
+        hudActive = false;
+        hudP1HandCount = 0;
+        hudP2HandCount = 0;
+        hudP1Score = 0;
+        hudP2Score = 0;
+        hudRules = "";
+        hudGameState = "";
+        hudTurn = "";
+        hudInstruction = "";
+        sync();
+    }
+
     public boolean setCard(int slot, ItemStack stack, int owner) {
         if (slot < 0 || slot >= boardCards.size() || !boardCards.get(slot).isEmpty() || !stack.is(TriadItems.TRIAD_CARD.get())) {
             return false;
@@ -63,6 +251,7 @@ public class DuelTableBlockEntity extends BlockEntity {
 
         boardCards.set(slot, stack.copyWithCount(1));
         ownerSlots[slot] = owner;
+        slotAges[slot] = 0;
         sync();
         return true;
     }
@@ -79,12 +268,33 @@ public class DuelTableBlockEntity extends BlockEntity {
         for (int index = 0; index < boardCards.size(); index++) {
             boardCards.set(index, ItemStack.EMPTY);
             ownerSlots[index] = OWNER_NONE;
+            slotAges[index] = 0;
         }
+        pendingAnimations.clear();
+        clearAnimationState();
+        clearRewardCards();
         firstParticipantId = null;
         secondParticipantId = null;
+        clearHudState();
         sync();
     }
 
+    public void removeBoardCardsOwnedBy(int owner) {
+        boolean changed = false;
+        for (int index = 0; index < boardCards.size(); index++) {
+            if (ownerSlots[index] != owner || boardCards.get(index).isEmpty()) {
+                continue;
+            }
+            boardCards.set(index, ItemStack.EMPTY);
+            ownerSlots[index] = OWNER_NONE;
+            slotAges[index] = 0;
+            changed = true;
+        }
+        if (changed) {
+            sync();
+        }
+    }
+
     public void dropBoardCards(Level level, BlockPos pos) {
         for (int slot = 0; slot < boardCards.size(); slot++) {
             ItemStack stack = boardCards.get(slot);
@@ -92,18 +302,267 @@ public class DuelTableBlockEntity extends BlockEntity {
                 Block.popResource(level, pos, stack);
                 boardCards.set(slot, ItemStack.EMPTY);
                 ownerSlots[slot] = OWNER_NONE;
+                slotAges[slot] = 0;
             }
         }
+        pendingAnimations.clear();
+        clearAnimationState();
+        dropRewardCards(level, pos);
         firstParticipantId = null;
         secondParticipantId = null;
+        clearHudState();
         sync();
     }
 
+    public void setRewardCards(List<ItemStack> stacks) {
+        clearRewardCards();
+        for (int index = 0; index < rewardCards.size() && index < stacks.size(); index++) {
+            ItemStack stack = stacks.get(index);
+            if (!stack.isEmpty()) {
+                rewardCards.set(index, stack.copyWithCount(1));
+            }
+        }
+        refreshRewardInteractions();
+        DuelSession session = level == null ? null : DuelSessionManager.getAt(worldPosition);
+        if (session != null) {
+            updateHudState(session);
+        }
+        sync();
+    }
+
+    public ItemStack takeRewardCard(int slot) {
+        if (slot < 0 || slot >= rewardCards.size()) {
+            return ItemStack.EMPTY;
+        }
+        ItemStack taken = rewardCards.get(slot);
+        if (taken.isEmpty()) {
+            return ItemStack.EMPTY;
+        }
+        int visibleIndex = visibleRewardIndex(slot);
+        int rewardCountBeforeTake = rewardCardCount();
+        if (visibleIndex >= 0 && rewardCountBeforeTake > 0) {
+            BoardLocalSpace.SlotCenter center = BoardLocalSpace.rewardCenter(
+                    visibleIndex,
+                    getBlockState().getValue(DuelTableBlock.FACING),
+                    rewardCountBeforeTake);
+            rewardTakeAnimations.add(new RewardTakeAnimation(taken.copyWithCount(1), center.x(), center.z(), 0, REWARD_TAKE_DURATION));
+        }
+        rewardCards.set(slot, ItemStack.EMPTY);
+        refreshRewardInteractions();
+        DuelSession session = level == null ? null : DuelSessionManager.getAt(worldPosition);
+        if (session != null) {
+            updateHudState(session);
+        }
+        sync();
+        return taken;
+    }
+
+    public void clearRewardCards() {
+        for (int index = 0; index < rewardCards.size(); index++) {
+            rewardCards.set(index, ItemStack.EMPTY);
+        }
+        rewardTakeAnimations.clear();
+        removeRewardInteractions();
+    }
+
+    public void dropRewardCards(Level level, BlockPos pos) {
+        for (int slot = 0; slot < rewardCards.size(); slot++) {
+            ItemStack stack = rewardCards.get(slot);
+            if (!stack.isEmpty()) {
+                Block.popResource(level, pos, stack);
+                rewardCards.set(slot, ItemStack.EMPTY);
+            }
+        }
+        rewardTakeAnimations.clear();
+        removeRewardInteractions();
+    }
+
+    public void refreshRewardInteractions() {
+        if (level == null || level.isClientSide) {
+            return;
+        }
+        removeRewardInteractions();
+        int visibleIndex = 0;
+        var facing = getBlockState().getValue(DuelTableBlock.FACING);
+        for (int slot = 0; slot < rewardCards.size(); slot++) {
+            if (rewardCards.get(slot).isEmpty()) {
+                continue;
+            }
+            BoardLocalSpace.SlotCenter center = BoardLocalSpace.rewardCenter(visibleIndex, facing, rewardCardCount());
+            Interaction interaction = new Interaction(EntityType.INTERACTION, level);
+            interaction.setPos(worldPosition.getX() + center.x(), worldPosition.getY() + 1.12D, worldPosition.getZ() + center.z());
+            interaction.setNoGravity(true);
+            interaction.addTag(REWARD_PROXY_TAG);
+            interaction.addTag(REWARD_PROXY_POS_PREFIX + worldPosition.getX() + "," + worldPosition.getY() + "," + worldPosition.getZ());
+            interaction.addTag(REWARD_PROXY_SLOT_PREFIX + slot);
+            level.addFreshEntity(interaction);
+            visibleIndex++;
+        }
+    }
+
+    public void removeRewardInteractions() {
+        if (level == null || level.isClientSide) {
+            return;
+        }
+        AABB searchBox = new AABB(worldPosition).inflate(2.0D, 2.0D, 2.0D);
+        for (Interaction interaction : level.getEntitiesOfClass(Interaction.class, searchBox, DuelTableBlockEntity::isRewardProxy)) {
+            if (worldPosition.equals(rewardProxyPos(interaction))) {
+                interaction.discard();
+            }
+        }
+    }
+
+    public static boolean isRewardProxy(Interaction interaction) {
+        return interaction.getTags().contains(REWARD_PROXY_TAG);
+    }
+
+    public static BlockPos rewardProxyPos(Interaction interaction) {
+        for (String tag : interaction.getTags()) {
+            if (!tag.startsWith(REWARD_PROXY_POS_PREFIX)) {
+                continue;
+            }
+            String[] parts = tag.substring(REWARD_PROXY_POS_PREFIX.length()).split(",");
+            if (parts.length == 3) {
+                try {
+                    return new BlockPos(Integer.parseInt(parts[0]), Integer.parseInt(parts[1]), Integer.parseInt(parts[2]));
+                } catch (NumberFormatException ignored) {
+                    return null;
+                }
+            }
+        }
+        return null;
+    }
+
+    public static int rewardProxySlot(Interaction interaction) {
+        for (String tag : interaction.getTags()) {
+            if (tag.startsWith(REWARD_PROXY_SLOT_PREFIX)) {
+                try {
+                    return Integer.parseInt(tag.substring(REWARD_PROXY_SLOT_PREFIX.length()));
+                } catch (NumberFormatException ignored) {
+                    return -1;
+                }
+            }
+        }
+        return -1;
+    }
+
+    public void startMoveAnimation(MoveResult moveResult, int owner) {
+        pendingAnimations.clear();
+        clearAnimationState();
+        clearTableAnimationState();
+        if (moveResult.playedCell() == null) {
+            return;
+        }
+
+        pendingAnimations.addLast(new AnimationStep(AnimationType.PLACEMENT, new int[] {moveResult.playedCell().index()}, owner));
+        for (List<BoardCell> captureWave : moveResult.captureWaves()) {
+            int[] captureSlots = captureWave.stream()
+                    .mapToInt(BoardCell::index)
+                    .toArray();
+            if (captureSlots.length > 0) {
+                pendingAnimations.addLast(new AnimationStep(AnimationType.CAPTURE, captureSlots, owner));
+            }
+        }
+        advanceAnimationStep();
+    }
+
+    public void startOverviewSweepAnimation() {
+        clearAnimationState();
+        tableAnimationType = TableAnimationType.OVERVIEW_SWEEP;
+        tableAnimationAge = 0;
+        tableAnimationDuration = OVERVIEW_SWEEP_DURATION;
+        sync();
+    }
+
+    public void startClearWaveAnimation() {
+        clearAnimationState();
+        tableAnimationType = TableAnimationType.CLEARING;
+        tableAnimationAge = 0;
+        tableAnimationDuration = CLEAR_WAVE_DURATION;
+        sync();
+    }
+
+    public static void tick(Level level, BlockPos pos, BlockState state, DuelTableBlockEntity blockEntity) {
+        if (blockEntity.hasActiveAnimation()) {
+            if (blockEntity.animationType != AnimationType.NONE) {
+                blockEntity.animationAge++;
+                if (!level.isClientSide
+                        && blockEntity.animationType == AnimationType.CAPTURE
+                        && !blockEntity.animationOwnerApplied
+                        && blockEntity.animationAge >= Math.max(1, blockEntity.animationDuration / 2)) {
+                    for (int slot : blockEntity.animationSlots) {
+                        blockEntity.setOwner(slot, blockEntity.animationTargetOwner);
+                    }
+                    blockEntity.animationOwnerApplied = true;
+                    blockEntity.sync();
+                }
+
+                if (blockEntity.animationAge >= blockEntity.animationDuration) {
+                    if (!level.isClientSide) {
+                        blockEntity.advanceAnimationStep();
+                        if (blockEntity.animationType == AnimationType.NONE && blockEntity.tableAnimationType == TableAnimationType.NONE) {
+                            blockEntity.resolvePostAnimation(level, pos);
+                        }
+                    } else {
+                        blockEntity.clearAnimationState();
+                    }
+                }
+            }
+
+            if (blockEntity.tableAnimationType != TableAnimationType.NONE) {
+                blockEntity.tableAnimationAge++;
+                if (!level.isClientSide
+                        && blockEntity.tableAnimationType == TableAnimationType.CLEARING) {
+                    blockEntity.updateClearWaveState(level, pos);
+                }
+                if (blockEntity.tableAnimationAge >= blockEntity.tableAnimationDuration) {
+                    if (!level.isClientSide) {
+                        blockEntity.clearTableAnimationState();
+                        blockEntity.resolvePostAnimation(level, pos);
+                    } else {
+                        blockEntity.clearTableAnimationState();
+                    }
+                }
+            }
+        }
+
+        for (int slot = 0; slot < SLOT_COUNT; slot++) {
+            if (!blockEntity.boardCards.get(slot).isEmpty()) {
+                blockEntity.slotAges[slot]++;
+            } else {
+                blockEntity.slotAges[slot] = 0;
+            }
+        }
+
+        if (!blockEntity.rewardTakeAnimations.isEmpty()) {
+            boolean changed = false;
+            for (int index = blockEntity.rewardTakeAnimations.size() - 1; index >= 0; index--) {
+                RewardTakeAnimation animation = blockEntity.rewardTakeAnimations.get(index);
+                animation.age++;
+                if (animation.age >= animation.duration) {
+                    blockEntity.rewardTakeAnimations.remove(index);
+                    changed = true;
+                }
+            }
+            if (!level.isClientSide && changed) {
+                blockEntity.sync();
+            }
+        }
+    }
+
     @Override
     protected void saveAdditional(CompoundTag tag, HolderLookup.Provider registries) {
         super.saveAdditional(tag, registries);
         ContainerHelper.saveAllItems(tag, boardCards, registries);
+        CompoundTag rewardTag = new CompoundTag();
+        ContainerHelper.saveAllItems(rewardTag, rewardCards, registries);
+        tag.put("RewardCards", rewardTag);
+        saveRewardTakeAnimations(tag, registries);
+        saveHudState(tag);
         tag.putIntArray("OwnerSlots", ownerSlots);
+        tag.putIntArray("SlotAges", slotAges);
+        saveAnimation(tag);
+        saveTableAnimation(tag);
         if (firstParticipantId != null) {
             tag.putUUID("FirstParticipantId", firstParticipantId);
         }
@@ -117,14 +576,29 @@ public class DuelTableBlockEntity extends BlockEntity {
         super.loadAdditional(tag, registries);
         clearBoardContents();
         ContainerHelper.loadAllItems(tag, boardCards, registries);
+        if (tag.contains("RewardCards", Tag.TAG_COMPOUND)) {
+            ContainerHelper.loadAllItems(tag.getCompound("RewardCards"), rewardCards, registries);
+        }
+        loadRewardTakeAnimations(tag, registries);
+        loadHudState(tag);
         loadOwnerData(tag);
+        loadAnimation(tag);
+        loadTableAnimation(tag);
     }
 
     @Override
     public CompoundTag getUpdateTag(HolderLookup.Provider registries) {
         CompoundTag tag = super.getUpdateTag(registries);
         ContainerHelper.saveAllItems(tag, boardCards, registries);
+        CompoundTag rewardTag = new CompoundTag();
+        ContainerHelper.saveAllItems(rewardTag, rewardCards, registries);
+        tag.put("RewardCards", rewardTag);
+        saveRewardTakeAnimations(tag, registries);
+        saveHudState(tag);
         tag.putIntArray("OwnerSlots", ownerSlots);
+        tag.putIntArray("SlotAges", slotAges);
+        saveAnimation(tag);
+        saveTableAnimation(tag);
         if (firstParticipantId != null) {
             tag.putUUID("FirstParticipantId", firstParticipantId);
         }
@@ -145,7 +619,14 @@ public class DuelTableBlockEntity extends BlockEntity {
         if (tag != null) {
             clearBoardContents();
             ContainerHelper.loadAllItems(tag, boardCards, registries);
+            if (tag.contains("RewardCards", Tag.TAG_COMPOUND)) {
+                ContainerHelper.loadAllItems(tag.getCompound("RewardCards"), rewardCards, registries);
+            }
+            loadRewardTakeAnimations(tag, registries);
+            loadHudState(tag);
             loadOwnerData(tag);
+            loadAnimation(tag);
+            loadTableAnimation(tag);
         }
     }
 
@@ -153,9 +634,22 @@ public class DuelTableBlockEntity extends BlockEntity {
         for (int index = 0; index < boardCards.size(); index++) {
             boardCards.set(index, ItemStack.EMPTY);
             ownerSlots[index] = OWNER_NONE;
+            slotAges[index] = 0;
         }
+        pendingAnimations.clear();
+        clearAnimationState();
+        clearRewardCards();
         firstParticipantId = null;
         secondParticipantId = null;
+        hudActive = false;
+        hudP1HandCount = 0;
+        hudP2HandCount = 0;
+        hudP1Score = 0;
+        hudP2Score = 0;
+        hudRules = "";
+        hudGameState = "";
+        hudTurn = "";
+        hudInstruction = "";
     }
 
     private void loadOwnerData(CompoundTag tag) {
@@ -163,14 +657,265 @@ public class DuelTableBlockEntity extends BlockEntity {
         for (int index = 0; index < ownerSlots.length; index++) {
             ownerSlots[index] = index < loadedOwners.length ? loadedOwners[index] : OWNER_NONE;
         }
+        int[] loadedAges = tag.getIntArray("SlotAges");
+        for (int index = 0; index < slotAges.length; index++) {
+            slotAges[index] = index < loadedAges.length ? loadedAges[index] : 0;
+        }
         firstParticipantId = tag.hasUUID("FirstParticipantId") ? tag.getUUID("FirstParticipantId") : null;
         secondParticipantId = tag.hasUUID("SecondParticipantId") ? tag.getUUID("SecondParticipantId") : null;
     }
 
+    private void saveRewardTakeAnimations(CompoundTag tag, HolderLookup.Provider registries) {
+        CompoundTag animationsTag = new CompoundTag();
+        for (int index = 0; index < rewardTakeAnimations.size(); index++) {
+            RewardTakeAnimation animation = rewardTakeAnimations.get(index);
+            CompoundTag animationTag = new CompoundTag();
+            animationTag.put("Stack", animation.stack.saveOptional(registries));
+            animationTag.putFloat("LocalX", animation.localX);
+            animationTag.putFloat("LocalZ", animation.localZ);
+            animationTag.putInt("Age", animation.age);
+            animationTag.putInt("Duration", animation.duration);
+            animationsTag.put("Animation" + index, animationTag);
+        }
+        animationsTag.putInt("Count", rewardTakeAnimations.size());
+        tag.put("RewardTakeAnimations", animationsTag);
+    }
+
+    private void saveHudState(CompoundTag tag) {
+        tag.putBoolean("HudActive", hudActive);
+        tag.putInt("HudP1HandCount", hudP1HandCount);
+        tag.putInt("HudP2HandCount", hudP2HandCount);
+        tag.putInt("HudP1Score", hudP1Score);
+        tag.putInt("HudP2Score", hudP2Score);
+        tag.putString("HudRules", hudRules);
+        tag.putString("HudGameState", hudGameState);
+        tag.putString("HudTurn", hudTurn);
+        tag.putString("HudInstruction", hudInstruction);
+    }
+
+    private void loadHudState(CompoundTag tag) {
+        hudActive = tag.getBoolean("HudActive");
+        hudP1HandCount = tag.getInt("HudP1HandCount");
+        hudP2HandCount = tag.getInt("HudP2HandCount");
+        hudP1Score = tag.getInt("HudP1Score");
+        hudP2Score = tag.getInt("HudP2Score");
+        hudRules = tag.getString("HudRules");
+        hudGameState = tag.getString("HudGameState");
+        hudTurn = tag.getString("HudTurn");
+        hudInstruction = tag.getString("HudInstruction");
+    }
+
+    private void loadRewardTakeAnimations(CompoundTag tag, HolderLookup.Provider registries) {
+        rewardTakeAnimations.clear();
+        if (!tag.contains("RewardTakeAnimations", Tag.TAG_COMPOUND)) {
+            return;
+        }
+        CompoundTag animationsTag = tag.getCompound("RewardTakeAnimations");
+        int count = animationsTag.getInt("Count");
+        for (int index = 0; index < count; index++) {
+            CompoundTag animationTag = animationsTag.getCompound("Animation" + index);
+            ItemStack stack = ItemStack.parseOptional(registries, animationTag.getCompound("Stack"));
+            if (stack.isEmpty()) {
+                continue;
+            }
+            rewardTakeAnimations.add(new RewardTakeAnimation(
+                    stack,
+                    animationTag.getFloat("LocalX"),
+                    animationTag.getFloat("LocalZ"),
+                    animationTag.getInt("Age"),
+                    animationTag.getInt("Duration")));
+        }
+    }
+
+    private void saveAnimation(CompoundTag tag) {
+        tag.putString("AnimationType", animationType.name());
+        tag.putIntArray("AnimationSlots", animationSlots);
+        tag.putInt("AnimationTargetOwner", animationTargetOwner);
+        tag.putInt("AnimationAge", animationAge);
+        tag.putInt("AnimationDuration", animationDuration);
+        tag.putBoolean("AnimationOwnerApplied", animationOwnerApplied);
+    }
+
+    private void loadAnimation(CompoundTag tag) {
+        animationType = AnimationType.valueOf(tag.getString("AnimationType").isEmpty() ? AnimationType.NONE.name() : tag.getString("AnimationType"));
+        animationSlots = tag.getIntArray("AnimationSlots");
+        animationTargetOwner = tag.getInt("AnimationTargetOwner");
+        animationAge = tag.getInt("AnimationAge");
+        animationDuration = tag.getInt("AnimationDuration");
+        animationOwnerApplied = tag.getBoolean("AnimationOwnerApplied");
+    }
+
+    private void saveTableAnimation(CompoundTag tag) {
+        tag.putString("TableAnimationType", tableAnimationType.name());
+        tag.putInt("TableAnimationAge", tableAnimationAge);
+        tag.putInt("TableAnimationDuration", tableAnimationDuration);
+    }
+
+    private void loadTableAnimation(CompoundTag tag) {
+        tableAnimationType = TableAnimationType.valueOf(tag.getString("TableAnimationType").isEmpty() ? TableAnimationType.NONE.name() : tag.getString("TableAnimationType"));
+        tableAnimationAge = tag.getInt("TableAnimationAge");
+        tableAnimationDuration = tag.getInt("TableAnimationDuration");
+    }
+
+    private void advanceAnimationStep() {
+        AnimationStep nextStep = pendingAnimations.pollFirst();
+        if (nextStep == null) {
+            clearAnimationState();
+            sync();
+            return;
+        }
+
+        animationType = nextStep.type();
+        animationSlots = nextStep.slots();
+        animationTargetOwner = nextStep.targetOwner();
+        animationAge = 0;
+        animationDuration = nextStep.type() == AnimationType.PLACEMENT ? PLACEMENT_DURATION : CAPTURE_DURATION;
+        animationOwnerApplied = nextStep.type() != AnimationType.CAPTURE;
+        sync();
+    }
+
+    private void clearAnimationState() {
+        animationType = AnimationType.NONE;
+        animationSlots = new int[0];
+        animationTargetOwner = OWNER_NONE;
+        animationAge = 0;
+        animationDuration = 0;
+        animationOwnerApplied = false;
+    }
+
+    private void clearTableAnimationState() {
+        tableAnimationType = TableAnimationType.NONE;
+        tableAnimationAge = 0;
+        tableAnimationDuration = 0;
+    }
+
+    private void resolvePostAnimation(Level level, BlockPos pos) {
+        DuelSession session = DuelSessionManager.getAt(pos);
+        if (session == null) {
+            return;
+        }
+
+        if (session.isClosingAnimation()) {
+            clearBoard();
+            var player = level.getServer() == null ? null : level.getServer().getPlayerList().getPlayer(session.playerParticipantId());
+            if (player != null) {
+                DuelSessionManager.end(player, true);
+                player.displayClientMessage(Component.literal("Duel finished. All played cards have been returned.").withStyle(ChatFormatting.GREEN), false);
+            }
+            return;
+        }
+
+        if (session.isAwaitingPlayerAnimation()) {
+            DuelTableAnimationResolver.handleAfterPlayerAnimation(level, pos, this, session);
+            return;
+        }
+
+        if (session.isAwaitingOpponentAnimation()) {
+            DuelTableAnimationResolver.handleAfterOpponentAnimation(level, pos, this, session);
+        }
+    }
+
+    private void updateClearWaveState(Level level, BlockPos pos) {
+        for (int slot = 0; slot < SLOT_COUNT; slot++) {
+            if (boardCards.get(slot).isEmpty()) {
+                continue;
+            }
+            if (clearWaveSlotProgress(slot, 0.0F) >= 1.0F) {
+                boardCards.set(slot, ItemStack.EMPTY);
+                ownerSlots[slot] = OWNER_NONE;
+                slotAges[slot] = 0;
+            }
+        }
+        sync();
+    }
+
+    public float overviewSweepSlotProgress(int slot, float partialTick) {
+        return waveSlotProgress(slot, partialTick, SLOT_COUNT, tableAnimationAge, tableAnimationDuration);
+    }
+
+    public float clearWaveSlotProgress(int slot, float partialTick) {
+        return waveSlotProgress(slot, partialTick, SLOT_COUNT, tableAnimationAge, tableAnimationDuration);
+    }
+
+    private float waveSlotProgress(int slot, float partialTick, int slotCount, int age, int duration) {
+        if (slot < 0 || slot >= slotCount || duration <= 0) {
+            return 0.0F;
+        }
+        float global = Math.clamp((age + partialTick) / duration, 0.0F, 1.0F);
+        float delay = slot / (float) slotCount;
+        float window = 0.28F;
+        return Math.clamp((global - delay) / window, 0.0F, 1.0F);
+    }
+
     private void sync() {
         setChanged();
         if (level != null) {
             level.sendBlockUpdated(worldPosition, getBlockState(), getBlockState(), Block.UPDATE_ALL);
         }
     }
+
+    private enum AnimationType {
+        NONE,
+        PLACEMENT,
+        CAPTURE
+    }
+
+    private enum TableAnimationType {
+        NONE,
+        OVERVIEW_SWEEP,
+        CLEARING
+    }
+
+    private record AnimationStep(AnimationType type, int[] slots, int targetOwner) {
+    }
+
+    public static final class RewardTakeAnimation {
+        private final ItemStack stack;
+        private final float localX;
+        private final float localZ;
+        private int age;
+        private final int duration;
+
+        private RewardTakeAnimation(ItemStack stack, float localX, float localZ, int age, int duration) {
+            this.stack = stack;
+            this.localX = localX;
+            this.localZ = localZ;
+            this.age = age;
+            this.duration = duration;
+        }
+
+        public ItemStack stack() {
+            return stack;
+        }
+
+        public float localX() {
+            return localX;
+        }
+
+        public float localZ() {
+            return localZ;
+        }
+
+        public int age() {
+            return age;
+        }
+
+        public int duration() {
+            return duration;
+        }
+    }
+
+    private int visibleRewardIndex(int slot) {
+        int visibleIndex = 0;
+        for (int index = 0; index < rewardCards.size(); index++) {
+            if (rewardCards.get(index).isEmpty()) {
+                continue;
+            }
+            if (index == slot) {
+                return visibleIndex;
+            }
+            visibleIndex++;
+        }
+        return -1;
+    }
 }

src/main/java/com/trunksbomb/minetriad/client/hud/LocalDuelHudOverlay.java

@@ -0,0 +1,130 @@
+package com.trunksbomb.minetriad.client.hud;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import com.trunksbomb.minetriad.blockentity.DuelTableBlockEntity;
+
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.gui.GuiGraphics;
+import net.minecraft.core.BlockPos;
+import net.minecraft.network.chat.Component;
+import net.minecraft.world.level.block.entity.BlockEntity;
+import net.neoforged.neoforge.client.event.ClientTickEvent;
+import net.neoforged.neoforge.client.event.RenderGuiLayerEvent;
+
+public final class LocalDuelHudOverlay {
+    private static final int SCAN_INTERVAL_TICKS = 10;
+    private static final int STALE_TIMEOUT_TICKS = 20;
+    private static final double MAX_DISTANCE_SQ = 10.0D * 10.0D;
+
+    private static BlockPos trackedTablePos;
+    private static int nextScanIn;
+    private static int staleTicksRemaining;
+
+    private LocalDuelHudOverlay() {
+    }
+
+    public static void onClientTick(ClientTickEvent.Post event) {
+        Minecraft minecraft = Minecraft.getInstance();
+        if (minecraft.level == null || minecraft.player == null) {
+            clear();
+            return;
+        }
+
+        if (trackedTablePos != null && !isValidTrackedTable(minecraft, trackedTablePos)) {
+            clear();
+        }
+
+        if (nextScanIn > 0) {
+            nextScanIn--;
+        } else {
+            trackedTablePos = findNearestActiveTable(minecraft);
+            nextScanIn = SCAN_INTERVAL_TICKS;
+            staleTicksRemaining = trackedTablePos == null ? 0 : STALE_TIMEOUT_TICKS;
+        }
+
+        if (trackedTablePos != null) {
+            staleTicksRemaining--;
+            if (staleTicksRemaining <= 0 && !isValidTrackedTable(minecraft, trackedTablePos)) {
+                clear();
+            } else if (isValidTrackedTable(minecraft, trackedTablePos)) {
+                staleTicksRemaining = STALE_TIMEOUT_TICKS;
+            }
+        }
+    }
+
+    public static void onRenderGui(RenderGuiLayerEvent.Post event) {
+        Minecraft minecraft = Minecraft.getInstance();
+        if (minecraft.level == null || minecraft.player == null || trackedTablePos == null) {
+            return;
+        }
+
+        DuelTableBlockEntity table = duelTableAt(minecraft, trackedTablePos);
+        if (table == null || !table.hudActive()) {
+            return;
+        }
+
+        List<Component> lines = new ArrayList<>();
+        lines.add(Component.literal("P1 Cards in hand: " + table.hudP1HandCount()));
+        lines.add(Component.literal("P2 Cards in hand: " + table.hudP2HandCount()));
+        lines.add(Component.literal("Score: " + table.hudP1Score() + ":" + table.hudP2Score()));
+        lines.add(Component.literal("Rules: " + table.hudRules()));
+        lines.add(Component.literal("Game state: " + table.hudGameState()));
+        lines.add(Component.literal("Turn: " + table.hudTurn()));
+        lines.add(Component.literal("Next: " + table.hudInstruction()));
+
+        GuiGraphics guiGraphics = event.getGuiGraphics();
+        int x = 8;
+        int y = 8;
+        int lineHeight = 10;
+        int width = 0;
+        for (Component line : lines) {
+            width = Math.max(width, minecraft.font.width(line));
+        }
+        int height = lines.size() * lineHeight + 8;
+        guiGraphics.fill(x - 4, y - 4, x + width + 4, y + height - 4, 0x80000000);
+        for (int index = 0; index < lines.size(); index++) {
+            guiGraphics.drawString(minecraft.font, lines.get(index), x, y + index * lineHeight, 0xFFFFFF, false);
+        }
+    }
+
+    private static BlockPos findNearestActiveTable(Minecraft minecraft) {
+        BlockPos origin = minecraft.player.blockPosition();
+        BlockPos nearest = null;
+        double nearestDistance = MAX_DISTANCE_SQ;
+        for (BlockPos pos : BlockPos.betweenClosed(origin.offset(-8, -4, -8), origin.offset(8, 4, 8))) {
+            DuelTableBlockEntity table = duelTableAt(minecraft, pos);
+            if (table == null || !table.hudActive()) {
+                continue;
+            }
+            double distance = pos.distSqr(minecraft.player.blockPosition());
+            if (distance <= nearestDistance) {
+                nearestDistance = distance;
+                nearest = pos.immutable();
+            }
+        }
+        return nearest;
+    }
+
+    private static boolean isValidTrackedTable(Minecraft minecraft, BlockPos pos) {
+        DuelTableBlockEntity table = duelTableAt(minecraft, pos);
+        return table != null
+                && table.hudActive()
+                && pos.distSqr(minecraft.player.blockPosition()) <= MAX_DISTANCE_SQ;
+    }
+
+    private static DuelTableBlockEntity duelTableAt(Minecraft minecraft, BlockPos pos) {
+        if (minecraft.level == null) {
+            return null;
+        }
+        BlockEntity blockEntity = minecraft.level.getBlockEntity(pos);
+        return blockEntity instanceof DuelTableBlockEntity duelTableBlockEntity ? duelTableBlockEntity : null;
+    }
+
+    private static void clear() {
+        trackedTablePos = null;
+        nextScanIn = 0;
+        staleTicksRemaining = 0;
+    }
+}

src/main/java/com/trunksbomb/minetriad/client/render/DuelTableBlockEntityRenderer.java

@@ -8,12 +8,21 @@ import com.trunksbomb.minetriad.game.BoardLocalSpace;
 import com.trunksbomb.minetriad.world.DuelTableBlock;
 
 import net.minecraft.client.Minecraft;
+import net.minecraft.client.renderer.LevelRenderer;
 import net.minecraft.client.renderer.MultiBufferSource;
+import net.minecraft.client.renderer.RenderType;
 import net.minecraft.client.renderer.blockentity.BlockEntityRenderer;
 import net.minecraft.client.renderer.blockentity.BlockEntityRendererProvider;
+import net.minecraft.world.entity.Interaction;
 import net.minecraft.world.item.ItemStack;
+import net.minecraft.world.phys.AABB;
 
 public class DuelTableBlockEntityRenderer implements BlockEntityRenderer<DuelTableBlockEntity> {
+    private static final float TABLE_CARD_Y = 1.066F;
+    private static final float REWARD_CARD_Y = 1.75F;
+    private static final float IDLE_BOB_HEIGHT = 0.012F;
+    private static final float IDLE_BOB_SPEED = 0.08F;
+
     public DuelTableBlockEntityRenderer(BlockEntityRendererProvider.Context context) {
     }
 
@@ -27,15 +36,155 @@ public class DuelTableBlockEntityRenderer implements BlockEntityRenderer<DuelTab
 
             BoardCell cell = new BoardCell(slot / BoardCell.SIZE, slot % BoardCell.SIZE);
             BoardLocalSpace.SlotCenter center = BoardLocalSpace.slotCenter(cell, blockEntity.getBlockState().getValue(DuelTableBlock.FACING));
+            float y = TABLE_CARD_Y;
+            float extraFlip = 0.0F;
+            boolean hideCard = false;
+            float idleOffset = idleBob(blockEntity, slot, partialTick);
+            if (blockEntity.isAnimatingSlot(slot)) {
+                float progress = blockEntity.animationProgress(partialTick);
+                if (blockEntity.isPlacementAnimation()) {
+                    y += (1.0F - progress) * 0.18F;
+                } else if (blockEntity.isCaptureAnimation()) {
+                    y += idleOffset;
+                    y += (float) Math.sin(progress * Math.PI) * 0.08F;
+                    extraFlip = 360.0F * progress;
+                }
+            } else {
+                y += idleOffset;
+            }
+            if (blockEntity.hasOverviewSweepAnimation()) {
+                float progress = blockEntity.overviewSweepSlotProgress(slot, partialTick);
+                y += (float) Math.sin(progress * Math.PI) * 0.05F;
+            }
+            if (blockEntity.hasClearWaveAnimation()) {
+                float progress = blockEntity.clearWaveSlotProgress(slot, partialTick);
+                y += progress * 0.22F;
+                hideCard = progress >= 1.0F;
+            }
+            if (hideCard) {
+                continue;
+            }
 
             poseStack.pushPose();
-            poseStack.translate(center.x(), 1.066F, center.z());
+            poseStack.translate(center.x(), y, center.z());
             poseStack.mulPose(Axis.YP.rotationDegrees(BoardLocalSpace.cardYawDegrees(blockEntity.getBlockState().getValue(DuelTableBlock.FACING))));
+            if (extraFlip != 0.0F) {
+                poseStack.mulPose(Axis.ZP.rotationDegrees(extraFlip));
+            }
             poseStack.mulPose(Axis.XN.rotationDegrees(90.0F));
             poseStack.scale(0.24F, 0.24F, 0.24F);
             TriadCardItemRenderer.renderCard(stack, poseStack, buffer, perspectivePalette(blockEntity, blockEntity.ownerAt(slot)));
             poseStack.popPose();
         }
+
+        renderRewardCards(blockEntity, partialTick, poseStack, buffer);
+        renderRewardTakeAnimations(blockEntity, partialTick, poseStack, buffer);
+        renderRewardProxyDebug(blockEntity, poseStack, buffer);
+    }
+
+    private static void renderRewardCards(DuelTableBlockEntity blockEntity, float partialTick, PoseStack poseStack, MultiBufferSource buffer) {
+        int rewardCount = blockEntity.rewardCardCount();
+        if (rewardCount <= 0) {
+            return;
+        }
+
+        int rewardIndex = 0;
+        for (int slot = 0; slot < DuelTableBlockEntity.REWARD_SLOT_COUNT; slot++) {
+            ItemStack rewardStack = blockEntity.getRewardCard(slot);
+            if (rewardStack.isEmpty()) {
+                continue;
+            }
+
+            BoardLocalSpace.SlotCenter center = BoardLocalSpace.rewardCenter(
+                    rewardIndex,
+                    blockEntity.getBlockState().getValue(DuelTableBlock.FACING),
+                    rewardCount);
+            float manifestProgress = blockEntity.hasOverviewSweepAnimation()
+                    ? Math.max(0.2F, blockEntity.overviewSweepSlotProgress(Math.min(slot, DuelTableBlockEntity.SLOT_COUNT - 1), partialTick))
+                    : 1.0F;
+            float y = 1.0F + (REWARD_CARD_Y - 1.0F) * manifestProgress + (float) Math.sin((Minecraft.getInstance().level == null ? 0.0F : (Minecraft.getInstance().level.getGameTime() + partialTick) * 0.08F) + rewardIndex * 0.7F) * 0.01F;
+
+            poseStack.pushPose();
+            poseStack.translate(center.x(), y, center.z());
+            poseStack.mulPose(Axis.YP.rotationDegrees(blockEntity.getBlockState().getValue(DuelTableBlock.FACING).toYRot()));
+            poseStack.scale(0.3F, 0.3F, 0.3F);
+            TriadCardItemRenderer.renderCard(rewardStack, poseStack, buffer, perspectivePalette(blockEntity, DuelTableBlockEntity.OWNER_SECOND));
+            poseStack.popPose();
+            rewardIndex++;
+        }
+    }
+
+    private static float idleBob(DuelTableBlockEntity blockEntity, int slot, float partialTick) {
+        int age = blockEntity.slotAge(slot);
+        int delay = 6 + deterministicOffset(blockEntity, slot) % 18;
+        if (age <= delay) {
+            return 0.0F;
+        }
+
+        float bobTime = (age - delay) + partialTick;
+        return (float) Math.sin(bobTime * IDLE_BOB_SPEED) * IDLE_BOB_HEIGHT;
+    }
+
+    private static int deterministicOffset(DuelTableBlockEntity blockEntity, int slot) {
+        return Math.floorMod(blockEntity.getBlockPos().hashCode() * 31 + slot * 17, 97);
+    }
+
+    private static void renderRewardTakeAnimations(DuelTableBlockEntity blockEntity, float partialTick, PoseStack poseStack, MultiBufferSource buffer) {
+        var facing = blockEntity.getBlockState().getValue(DuelTableBlock.FACING);
+        float forwardX = facing.getStepX() * 0.33F;
+        float forwardZ = facing.getStepZ() * 0.33F;
+        for (DuelTableBlockEntity.RewardTakeAnimation animation : blockEntity.rewardTakeAnimations()) {
+            float progress = Math.clamp((animation.age() + partialTick) / animation.duration(), 0.0F, 1.0F);
+            float riseProgress = Math.min(1.0F, progress / 0.45F);
+            float arcProgress = progress <= 0.45F ? 0.0F : (progress - 0.45F) / 0.55F;
+
+            float x = animation.localX() + forwardX * arcProgress;
+            float y = REWARD_CARD_Y
+                    + riseProgress * 0.26F
+                    + (float) Math.sin(arcProgress * Math.PI) * 0.08F
+                    - arcProgress * 0.26F;
+            float z = animation.localZ() + forwardZ * arcProgress;
+            float spin = progress * 720.0F;
+
+            poseStack.pushPose();
+            poseStack.translate(x, y, z);
+            poseStack.mulPose(Axis.YP.rotationDegrees(facing.toYRot()));
+            poseStack.mulPose(Axis.YP.rotationDegrees(spin));
+            poseStack.scale(0.3F, 0.3F, 0.3F);
+            TriadCardItemRenderer.renderCard(animation.stack(), poseStack, buffer, perspectivePalette(blockEntity, DuelTableBlockEntity.OWNER_SECOND));
+            poseStack.popPose();
+        }
+    }
+
+    private static void renderRewardProxyDebug(DuelTableBlockEntity blockEntity, PoseStack poseStack, MultiBufferSource buffer) {
+        if (Minecraft.getInstance().level == null) {
+            return;
+        }
+
+        AABB searchBox = new AABB(blockEntity.getBlockPos()).inflate(2.0D, 2.0D, 2.0D);
+        for (Interaction interaction : Minecraft.getInstance().level.getEntitiesOfClass(
+                Interaction.class,
+                searchBox,
+                entity -> DuelTableBlockEntity.isRewardProxy(entity)
+                        && blockEntity.getBlockPos().equals(DuelTableBlockEntity.rewardProxyPos(entity)))) {
+            AABB box = interaction.getBoundingBox().move(
+                    -blockEntity.getBlockPos().getX(),
+                    -blockEntity.getBlockPos().getY(),
+                    -blockEntity.getBlockPos().getZ());
+            LevelRenderer.addChainedFilledBoxVertices(
+                    poseStack,
+                    buffer.getBuffer(RenderType.debugFilledBox()),
+                    (float) box.minX,
+                    (float) box.minY,
+                    (float) box.minZ,
+                    (float) box.maxX,
+                    (float) box.maxY,
+                    (float) box.maxZ,
+                    0.2F,
+                    0.95F,
+                    0.35F,
+                    0.28F);
+        }
     }
 
     private static TriadCardItemRenderer.CardPalette perspectivePalette(DuelTableBlockEntity blockEntity, int owner) {

src/main/java/com/trunksbomb/minetriad/client/render/TriadCardItemRenderer.java

@@ -27,12 +27,15 @@ import org.joml.Matrix4f;
 public final class TriadCardItemRenderer extends BlockEntityWithoutLevelRenderer {
     private static final float CARD_MIN = -0.42F;
     private static final float CARD_MAX = 0.42F;
-    private static final float FRONT_Z = 0.024F;
-    private static final float BACK_Z = -0.024F;
-    private static final float BORDER_Z = 0.026F;
-    private static final float VALUE_Z = 0.030F;
+    private static final float CARD_DEPTH = 0.024F;
+    private static final float FRONT_Z = CARD_DEPTH;
+    private static final float BACK_Z = -CARD_DEPTH;
+    private static final float ART_Z = FRONT_Z + 0.004F;
+    private static final float BORDER_Z = FRONT_Z + 0.008F;
+    private static final float VALUE_Z = FRONT_Z + 0.012F;
     private static final float INNER_MIN = -0.37F;
     private static final float INNER_MAX = 0.37F;
+    private static final float[] EDGE_COLOR = new float[] {0.18F, 0.14F, 0.10F};
     private static TriadCardItemRenderer INSTANCE;
     private static final CardPalette NEUTRAL_PALETTE = new CardPalette(
             new float[] {0.97F, 0.93F, 0.80F},
@@ -77,6 +80,7 @@ public final class TriadCardItemRenderer extends BlockEntityWithoutLevelRenderer
         CardDefinition card = cardData == null || cardData.equals(CardStackData.EMPTY) ? null : CardRegistry.get(cardData.cardId());
 
         poseStack.pushPose();
+        drawCardBody(poseStack, buffer);
         drawBack(poseStack, buffer);
         if (card != null) {
             drawFrontArt(poseStack, buffer, artTexture(card));
@@ -94,6 +98,25 @@ public final class TriadCardItemRenderer extends BlockEntityWithoutLevelRenderer
         poseStack.popPose();
     }
 
+    private static void drawCardBody(PoseStack poseStack, MultiBufferSource buffer) {
+        float r = EDGE_COLOR[0];
+        float g = EDGE_COLOR[1];
+        float b = EDGE_COLOR[2];
+        LevelRenderer.addChainedFilledBoxVertices(
+                poseStack,
+                buffer.getBuffer(RenderType.debugFilledBox()),
+                CARD_MIN,
+                CARD_MIN,
+                BACK_Z,
+                CARD_MAX,
+                CARD_MAX,
+                FRONT_Z,
+                r,
+                g,
+                b,
+                1.0F);
+    }
+
     private static String displayRank(int rank) {
         return rank == 10 ? "A" : Integer.toString(rank);
     }
@@ -161,7 +184,7 @@ public final class TriadCardItemRenderer extends BlockEntityWithoutLevelRenderer
     }
 
     private static void drawFrontArt(PoseStack poseStack, MultiBufferSource buffer, ResourceLocation textureLocation) {
-        drawTexturedQuad(poseStack, buffer, textureLocation, FRONT_Z, false);
+        drawTexturedQuad(poseStack, buffer, textureLocation, ART_Z, false);
     }
 
     private static void drawTexturedQuad(PoseStack poseStack, MultiBufferSource buffer, ResourceLocation textureLocation, float z, boolean reverseWinding) {

src/main/java/com/trunksbomb/minetriad/game/BoardLocalSpace.java

@@ -36,6 +36,44 @@ public final class BoardLocalSpace {
         };
     }
 
+    public static SlotCenter rewardCenter(int index, Direction boardFacing, int count) {
+        if (count <= 0) {
+            return new SlotCenter(0.5F, 0.22F);
+        }
+        float columnProgress = count == 1 ? 0.5F : -0.04F + (1.08F * index / (count - 1.0F));
+        float rowProgress = 0.15F;
+        HorizontalVector bottomVector = vectorFor(boardFacing);
+        HorizontalVector rightVector = vectorFor(rightDirection(boardFacing));
+        float x = 0.5F + bottomVector.x() * (rowProgress - 0.5F) + rightVector.x() * (columnProgress - 0.5F);
+        float z = 0.5F + bottomVector.z() * (rowProgress - 0.5F) + rightVector.z() * (columnProgress - 0.5F);
+        return new SlotCenter(x, z);
+    }
+
+    public static int rewardIndexForHit(BlockHitResult hitResult, Direction boardFacing, int count) {
+        double localX = hitResult.getLocation().x - hitResult.getBlockPos().getX();
+        double localY = hitResult.getLocation().y - hitResult.getBlockPos().getY();
+        double localZ = hitResult.getLocation().z - hitResult.getBlockPos().getZ();
+        if (localY < 1.20D || localY > 2.02D) {
+            return -1;
+        }
+        int nearestIndex = -1;
+        double nearestDistance = Double.MAX_VALUE;
+        for (int index = 0; index < count; index++) {
+            SlotCenter center = rewardCenter(index, boardFacing, count);
+            double dx = localX - center.x();
+            double dz = localZ - center.z();
+            if (Math.abs(dx) <= 0.12D && Math.abs(dz) <= 0.18D) {
+                return index;
+            }
+            double distanceSq = dx * dx + dz * dz;
+            if (distanceSq < nearestDistance) {
+                nearestDistance = distanceSq;
+                nearestIndex = index;
+            }
+        }
+        return nearestDistance <= 0.05D * 0.05D ? nearestIndex : -1;
+    }
+
     private static double projectProgress(double localX, double localZ, Direction direction) {
         HorizontalVector vector = vectorFor(direction);
         double offsetX = localX - 0.5D;

src/main/java/com/trunksbomb/minetriad/game/DuelSession.java

@@ -18,6 +18,9 @@ import net.minecraft.world.phys.BlockHitResult;
 public final class DuelSession {
     private enum Phase {
         PLAYING,
+        PLAYER_ANIMATION,
+        OPPONENT_ANIMATION,
+        CLOSING_ANIMATION,
         OVERVIEW
     }
 
@@ -25,7 +28,9 @@ public final class DuelSession {
     private final MatchParticipant opponentParticipant;
     private final TriadMatch match;
     private final List<ResourceLocation> refundablePlayerCards;
+    private final List<ResourceLocation> opponentStartingCards;
     private final boolean refundCardsOnEnd;
+    private final boolean aiVsAi;
     private final BlockPos tablePos;
     private Phase phase;
 
@@ -36,12 +41,17 @@ public final class DuelSession {
             List<GameCard> opponentHand,
             List<ResourceLocation> refundablePlayerCards,
             boolean refundCardsOnEnd,
+            boolean aiVsAi,
             BlockPos tablePos) {
         this.playerParticipant = new MatchParticipant(playerId, playerName);
         this.opponentParticipant = new MatchParticipant(UUID.nameUUIDFromBytes(("opponent:" + playerId).getBytes()), "Training Duelist");
         this.match = new TriadMatch(playerParticipant, opponentParticipant, playerHand, opponentHand, TriadRuleSet.CLASSIC_OPEN);
         this.refundablePlayerCards = List.copyOf(refundablePlayerCards);
+        this.opponentStartingCards = opponentHand.stream()
+                .map(card -> card.definition().id())
+                .toList();
         this.refundCardsOnEnd = refundCardsOnEnd;
+        this.aiVsAi = aiVsAi;
         this.tablePos = tablePos.immutable();
         this.phase = Phase.PLAYING;
     }
@@ -62,6 +72,114 @@ public final class DuelSession {
         return phase == Phase.OVERVIEW;
     }
 
+    public boolean isAnimating() {
+        return phase == Phase.PLAYER_ANIMATION || phase == Phase.OPPONENT_ANIMATION;
+    }
+
+    public boolean isAwaitingPlayerAnimation() {
+        return phase == Phase.PLAYER_ANIMATION;
+    }
+
+    public boolean isAwaitingOpponentAnimation() {
+        return phase == Phase.OPPONENT_ANIMATION;
+    }
+
+    public void beginPlayerAnimation() {
+        phase = Phase.PLAYER_ANIMATION;
+    }
+
+    public void beginOpponentAnimation() {
+        phase = Phase.OPPONENT_ANIMATION;
+    }
+
+    public void returnToPlaying() {
+        phase = Phase.PLAYING;
+    }
+
+    public void beginClosingAnimation() {
+        phase = Phase.CLOSING_ANIMATION;
+    }
+
+    public boolean isClosingAnimation() {
+        return phase == Phase.CLOSING_ANIMATION;
+    }
+
+    public boolean isAiVsAi() {
+        return aiVsAi;
+    }
+
+    public int playerHandCount() {
+        return match.handFor(playerParticipant).size();
+    }
+
+    public int opponentHandCount() {
+        return match.handFor(opponentParticipant).size();
+    }
+
+    public int playerScore() {
+        return match.scoreFor(playerParticipant);
+    }
+
+    public int opponentScore() {
+        return match.scoreFor(opponentParticipant);
+    }
+
+    public String rulesSummary() {
+        List<String> rules = new ArrayList<>();
+        if (match.ruleSet().sameRule()) {
+            rules.add("Same");
+        }
+        if (match.ruleSet().sameWallRule()) {
+            rules.add("Same Wall");
+        }
+        if (match.ruleSet().plusRule()) {
+            rules.add("Plus");
+        }
+        if (match.ruleSet().openHands()) {
+            rules.add("Open");
+        }
+        if (rules.isEmpty()) {
+            return "None";
+        }
+        return String.join(", ", rules);
+    }
+
+    public String turnIndicator() {
+        return isPlayerTurn() ? "P1" : "P2";
+    }
+
+    public String gameStateLabel() {
+        return switch (phase) {
+            case PLAYING -> "Playing";
+            case PLAYER_ANIMATION, OPPONENT_ANIMATION -> "Animating";
+            case CLOSING_ANIMATION -> "Closing";
+            case OVERVIEW -> "Overview";
+        };
+    }
+
+    public String nextStepInstruction() {
+        if (isComplete()) {
+            int playerScore = playerScore();
+            int opponentScore = opponentScore();
+            String winner = playerScore == opponentScore ? "Draw" : playerScore > opponentScore ? "P1" : "P2";
+            if (isInOverview()) {
+                return opponentRewardCards().isEmpty()
+                        ? "Ready for next game"
+                        : winner + " choosing 1 cards to keep";
+            }
+            return "Game over - " + winner + (winner.equals("Draw") ? "" : " wins");
+        }
+
+        return switch (phase) {
+            case PLAYER_ANIMATION, OPPONENT_ANIMATION -> "Resolving animations";
+            case CLOSING_ANIMATION -> "Clearing board";
+            case OVERVIEW -> "Choose a reward card or finish";
+            case PLAYING -> isPlayerTurn()
+                    ? "Waiting for you to place a card"
+                    : "Waiting for P2 to place a card";
+        };
+    }
+
     public void enterOverview() {
         phase = Phase.OVERVIEW;
     }
@@ -96,15 +214,23 @@ public final class DuelSession {
     }
 
     public MoveResult playOpponentTurn() {
+        return playAiTurnFor(opponentParticipant);
+    }
+
+    public MoveResult playAiTurn() {
+        return playAiTurnFor(match.activeParticipant());
+    }
+
+    private MoveResult playAiTurnFor(MatchParticipant participant) {
         int bestHandIndex = -1;
         BoardCell bestCell = null;
         int bestCaptures = -1;
 
-        List<GameCard> opponentHand = match.handFor(opponentParticipant);
-        for (int handIndex = 0; handIndex < opponentHand.size(); handIndex++) {
+        List<GameCard> hand = match.handFor(participant);
+        for (int handIndex = 0; handIndex < hand.size(); handIndex++) {
             for (BoardCell cell : openCells()) {
                 TriadMatch probe = duplicateMatch();
-                MoveResult result = probe.play(new TriadMove(opponentParticipant, handIndex, cell));
+                MoveResult result = probe.play(new TriadMove(participant, handIndex, cell));
                 if (!result.valid()) {
                     continue;
                 }
@@ -121,7 +247,7 @@ public final class DuelSession {
             return MoveResult.failure("Opponent could not find a legal move");
         }
 
-        return match.play(new TriadMove(opponentParticipant, bestHandIndex, bestCell));
+        return match.play(new TriadMove(participant, bestHandIndex, bestCell));
     }
 
     public Component boardSummary() {
@@ -160,7 +286,7 @@ public final class DuelSession {
     }
 
     public Component overviewMessage() {
-        return Component.literal("Duel overview. Right-click the table to finish and return cards.");
+        return Component.literal("Duel overview. Right-click a floating red card to take it, or right-click the table to finish.");
     }
 
     public List<ResourceLocation> refundablePlayerCards() {
@@ -195,6 +321,10 @@ public final class DuelSession {
         return refundCardsOnEnd;
     }
 
+    public List<ResourceLocation> opponentRewardCards() {
+        return List.copyOf(opponentStartingCards);
+    }
+
     public boolean isAtTable(BlockPos blockPos) {
         return tablePos.equals(blockPos);
     }

src/main/java/com/trunksbomb/minetriad/game/DuelSessionManager.java

@@ -6,6 +6,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.UUID;
 import java.util.concurrent.ConcurrentHashMap;
+import java.util.Collections;
 
 import com.trunksbomb.minetriad.card.CardRegistry;
 import com.trunksbomb.minetriad.card.CardDefinition;
@@ -29,12 +30,27 @@ public final class DuelSessionManager {
         return ACTIVE_DUELS.get(player.getUUID());
     }
 
+    public static DuelSession getAt(BlockPos tablePos) {
+        return ACTIVE_DUELS.values().stream()
+                .filter(session -> session.isAtTable(tablePos))
+                .findFirst()
+                .orElse(null);
+    }
+
     public static DuelSession start(Player player, BlockPos tablePos) {
+        return start(player, tablePos, false);
+    }
+
+    public static DuelSession start(Player player, BlockPos tablePos, boolean aiVsAi) {
         List<GameCard> playerHand = buildPlayerHand(player.getInventory());
-        if (playerHand.size() < 5) {
+        if (!aiVsAi && playerHand.size() < 5) {
             throw new IllegalStateException("A duel requires 5 Triad Cards in your inventory");
         }
 
+        if (aiVsAi) {
+            playerHand = buildRandomHand();
+        }
+
         List<ResourceLocation> refundableCards = playerHand.stream()
                 .map(card -> card.definition().id())
                 .toList();
@@ -42,9 +58,10 @@ public final class DuelSessionManager {
                 player.getUUID(),
                 player.getName().getString(),
                 playerHand,
-                buildOpponentHand(),
+                aiVsAi ? buildRandomHand() : buildOpponentHand(),
                 refundableCards,
-                !player.getAbilities().instabuild,
+                !aiVsAi && !player.getAbilities().instabuild,
+                aiVsAi,
                 tablePos);
         ACTIVE_DUELS.put(player.getUUID(), session);
         return session;
@@ -109,4 +126,13 @@ public final class DuelSessionManager {
                 .map(GameCard::new)
                 .toList();
     }
+
+    private static List<GameCard> buildRandomHand() {
+        List<CardDefinition> cards = new ArrayList<>(CardRegistry.all());
+        Collections.shuffle(cards);
+        return cards.stream()
+                .limit(5)
+                .map(GameCard::new)
+                .toList();
+    }
 }

src/main/java/com/trunksbomb/minetriad/game/MoveResult.java

@@ -7,21 +7,29 @@ import net.minecraft.resources.ResourceLocation;
 public record MoveResult(
         boolean valid,
         String errorMessage,
+        List<List<BoardCell>> captureWaves,
         List<BoardCell> capturedCells,
         List<String> battleLog,
         String playedCardName,
         ResourceLocation playedCardId,
         BoardCell playedCell) {
     public static MoveResult success(
-            List<BoardCell> capturedCells,
+            List<List<BoardCell>> captureWaves,
             List<String> battleLog,
             String playedCardName,
             ResourceLocation playedCardId,
             BoardCell playedCell) {
-        return new MoveResult(true, "", List.copyOf(capturedCells), List.copyOf(battleLog), playedCardName, playedCardId, playedCell);
+        List<List<BoardCell>> immutableWaves = captureWaves.stream()
+                .map(List::copyOf)
+                .toList();
+        List<BoardCell> flattenedCaptures = immutableWaves.stream()
+                .flatMap(List::stream)
+                .distinct()
+                .toList();
+        return new MoveResult(true, "", immutableWaves, flattenedCaptures, List.copyOf(battleLog), playedCardName, playedCardId, playedCell);
     }
 
     public static MoveResult failure(String errorMessage) {
-        return new MoveResult(false, errorMessage, List.of(), List.of(), "", null, null);
+        return new MoveResult(false, errorMessage, List.of(), List.of(), List.of(), "", null, null);
     }
 }

src/main/java/com/trunksbomb/minetriad/game/TriadMatch.java

@@ -2,7 +2,11 @@ package com.trunksbomb.minetriad.game;
 
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.LinkedHashMap;
+import java.util.LinkedHashSet;
 import java.util.List;
+import java.util.Map;
+import java.util.Set;
 
 public final class TriadMatch {
     private final MatchParticipant firstParticipant;
@@ -75,14 +79,111 @@ public final class TriadMatch {
         board[move.targetCell().index()] = new PlacedCard(move.participant(), playedCard);
 
         List<String> battleLog = new ArrayList<>();
-        List<BoardCell> capturedCells = resolveCaptures(move.targetCell(), move.participant(), playedCard, battleLog);
+        CaptureResolution captureResolution = resolveCaptures(move.targetCell(), move.participant(), playedCard, battleLog);
         activeParticipant = otherParticipant(move.participant());
-        return MoveResult.success(capturedCells, battleLog, playedCard.definition().name().getString(), playedCard.definition().id(), move.targetCell());
+        return MoveResult.success(captureResolution.captureWaves(), battleLog, playedCard.definition().name().getString(), playedCard.definition().id(), move.targetCell());
     }
 
-    private List<BoardCell> resolveCaptures(BoardCell origin, MatchParticipant owner, GameCard playedCard, List<String> battleLog) {
-        List<BoardCell> captured = new ArrayList<>();
+    private CaptureResolution resolveCaptures(BoardCell origin, MatchParticipant owner, GameCard playedCard, List<String> battleLog) {
+        List<SideComparison> comparisons = buildComparisons(origin, owner, playedCard, battleLog);
+        LinkedHashSet<BoardCell> firstWave = new LinkedHashSet<>();
+        LinkedHashSet<BoardCell> comboSeeds = new LinkedHashSet<>();
 
+        for (SideComparison comparison : comparisons) {
+            if (!comparison.neighbor().owner().equals(owner) && comparison.attackValue() > comparison.defendValue()) {
+                firstWave.add(comparison.cell());
+            }
+        }
+
+        if (ruleSet.sameRule()) {
+            List<SameCandidate> sameCandidates = buildSameCandidates(origin, playedCard, battleLog);
+            long sameMatches = sameCandidates.stream().filter(SameCandidate::matches).count();
+            if (sameMatches >= 2) {
+                List<BoardCell> sameCaptures = sameCandidates.stream()
+                        .filter(SameCandidate::matches)
+                        .map(SameCandidate::cell)
+                        .filter(cell -> cell != null)
+                        .distinct()
+                        .filter(cell -> {
+                            PlacedCard placedCard = cardAt(cell);
+                            return placedCard != null && !placedCard.owner().equals(owner);
+                        })
+                        .toList();
+                if (!sameCaptures.isEmpty()) {
+                    battleLog.add("Same triggers.");
+                    firstWave.addAll(sameCaptures);
+                    comboSeeds.addAll(sameCaptures);
+                }
+            }
+        }
+
+        if (ruleSet.plusRule()) {
+            Map<Integer, List<SideComparison>> plusGroups = new LinkedHashMap<>();
+            for (SideComparison comparison : comparisons) {
+                int sum = comparison.attackValue() + comparison.defendValue();
+                plusGroups.computeIfAbsent(sum, ignored -> new ArrayList<>()).add(comparison);
+            }
+            for (Map.Entry<Integer, List<SideComparison>> entry : plusGroups.entrySet()) {
+                if (entry.getValue().size() < 2) {
+                    continue;
+                }
+                List<BoardCell> plusCaptures = entry.getValue().stream()
+                        .map(SideComparison::cell)
+                        .distinct()
+                        .filter(cell -> {
+                            PlacedCard placedCard = cardAt(cell);
+                            return placedCard != null && !placedCard.owner().equals(owner);
+                        })
+                        .toList();
+                if (!plusCaptures.isEmpty()) {
+                    battleLog.add("Plus triggers on sum " + entry.getKey() + ".");
+                    firstWave.addAll(plusCaptures);
+                    comboSeeds.addAll(plusCaptures);
+                }
+            }
+        }
+
+        List<List<BoardCell>> waves = new ArrayList<>();
+        if (!firstWave.isEmpty()) {
+            applyOwnership(owner, firstWave);
+            waves.add(List.copyOf(firstWave));
+        }
+
+        if (!comboSeeds.isEmpty()) {
+            LinkedHashSet<BoardCell> comboWave = new LinkedHashSet<>();
+            for (BoardCell comboCell : comboSeeds) {
+                PlacedCard comboCard = cardAt(comboCell);
+                if (comboCard == null || !comboCard.owner().equals(owner)) {
+                    continue;
+                }
+                for (CardSide side : CardSide.values()) {
+                    BoardCell neighborCell = neighbor(comboCell, side);
+                    if (neighborCell == null) {
+                        continue;
+                    }
+                    PlacedCard neighbor = cardAt(neighborCell);
+                    if (neighbor == null || neighbor.owner().equals(owner)) {
+                        continue;
+                    }
+                    int attackValue = comboCard.card().value(side);
+                    int defendValue = neighbor.card().value(side.opposite());
+                    if (attackValue > defendValue) {
+                        comboWave.add(neighborCell);
+                    }
+                }
+            }
+            if (!comboWave.isEmpty()) {
+                battleLog.add("Combo triggers.");
+                applyOwnership(owner, comboWave);
+                waves.add(List.copyOf(comboWave));
+            }
+        }
+
+        return new CaptureResolution(waves);
+    }
+
+    private List<SideComparison> buildComparisons(BoardCell origin, MatchParticipant owner, GameCard playedCard, List<String> battleLog) {
+        List<SideComparison> comparisons = new ArrayList<>();
         for (CardSide side : CardSide.values()) {
             BoardCell neighborCell = neighbor(origin, side);
             if (neighborCell == null) {
@@ -90,13 +191,12 @@ public final class TriadMatch {
             }
 
             PlacedCard neighbor = cardAt(neighborCell);
-            if (neighbor == null || neighbor.owner().equals(owner)) {
+            if (neighbor == null) {
                 continue;
             }
 
             int attackValue = playedCard.value(side);
             int defendValue = neighbor.card().value(side.opposite());
-            boolean capturedNeighbor = attackValue > defendValue;
             battleLog.add(String.format(
                     "%s %s=%d vs %s %s=%d at [%d,%d] -> %s",
                     playedCard.definition().name().getString(),
@@ -107,14 +207,47 @@ public final class TriadMatch {
                     defendValue,
                     neighborCell.row(),
                     neighborCell.column(),
-                    capturedNeighbor ? "flip" : "hold"));
-            if (capturedNeighbor) {
-                board[neighborCell.index()] = new PlacedCard(owner, neighbor.card());
-                captured.add(neighborCell);
+                    !neighbor.owner().equals(owner) && attackValue > defendValue ? "flip" : "hold"));
+            comparisons.add(new SideComparison(side, neighborCell, neighbor, attackValue, defendValue));
         }
+        return comparisons;
     }
 
-        return captured;
+    private List<SameCandidate> buildSameCandidates(BoardCell origin, GameCard playedCard, List<String> battleLog) {
+        List<SameCandidate> candidates = new ArrayList<>();
+        for (CardSide side : CardSide.values()) {
+            BoardCell neighborCell = neighbor(origin, side);
+            if (neighborCell == null) {
+                boolean wallMatch = ruleSet.sameWallRule() && playedCard.value(side) == 10;
+                battleLog.add(String.format(
+                        "%s %s=%d vs WALL=%d -> %s",
+                        playedCard.definition().name().getString(),
+                        side.name(),
+                        playedCard.value(side),
+                        10,
+                        wallMatch ? "same" : "ignore"));
+                candidates.add(new SameCandidate(side, null, wallMatch));
+                continue;
+            }
+
+            PlacedCard neighbor = cardAt(neighborCell);
+            if (neighbor == null) {
+                continue;
+            }
+
+            boolean sameMatch = playedCard.value(side) == neighbor.card().value(side.opposite());
+            candidates.add(new SameCandidate(side, neighborCell, sameMatch));
+        }
+        return candidates;
+    }
+
+    private void applyOwnership(MatchParticipant owner, Set<BoardCell> capturedCells) {
+        for (BoardCell cell : capturedCells) {
+            PlacedCard placedCard = cardAt(cell);
+            if (placedCard != null) {
+                board[cell.index()] = new PlacedCard(owner, placedCard.card());
+            }
+        }
     }
 
     private BoardCell neighbor(BoardCell cell, CardSide side) {
@@ -167,4 +300,13 @@ public final class TriadMatch {
     void forceActiveParticipant(MatchParticipant participant) {
         this.activeParticipant = participant;
     }
+
+    private record SideComparison(CardSide side, BoardCell cell, PlacedCard neighbor, int attackValue, int defendValue) {
+    }
+
+    private record SameCandidate(CardSide side, BoardCell cell, boolean matches) {
+    }
+
+    private record CaptureResolution(List<List<BoardCell>> captureWaves) {
+    }
 }

src/main/java/com/trunksbomb/minetriad/game/TriadRuleSet.java

@@ -3,7 +3,8 @@ package com.trunksbomb.minetriad.game;
 public record TriadRuleSet(
         boolean openHands,
         boolean sameRule,
+        boolean sameWallRule,
         boolean plusRule,
         boolean elementalRule) {
-    public static final TriadRuleSet CLASSIC_OPEN = new TriadRuleSet(true, false, false, false);
+    public static final TriadRuleSet CLASSIC_OPEN = new TriadRuleSet(true, true, true, true, false);
 }

src/main/java/com/trunksbomb/minetriad/world/DuelTableBlock.java

@@ -2,8 +2,10 @@ package com.trunksbomb.minetriad.world;
 
 import com.mojang.serialization.MapCodec;
 import com.trunksbomb.minetriad.MineTriad;
+import com.trunksbomb.minetriad.blockentity.DuelTableAnimationResolver;
 import com.trunksbomb.minetriad.blockentity.DuelTableBlockEntity;
 import com.trunksbomb.minetriad.card.CardStackData;
+import com.trunksbomb.minetriad.game.BoardLocalSpace;
 import com.trunksbomb.minetriad.game.DuelSession;
 import com.trunksbomb.minetriad.game.DuelSessionManager;
 import com.trunksbomb.minetriad.game.MoveResult;
@@ -19,18 +21,28 @@ import net.minecraft.world.InteractionHand;
 import net.minecraft.world.InteractionResult;
 import net.minecraft.world.ItemInteractionResult;
 import net.minecraft.world.entity.player.Player;
+import net.minecraft.world.entity.Interaction;
 import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.level.Level;
+import net.minecraft.world.level.BlockGetter;
 import net.minecraft.world.level.block.BaseEntityBlock;
 import net.minecraft.world.level.block.HorizontalDirectionalBlock;
 import net.minecraft.world.level.block.RenderShape;
 import net.minecraft.world.level.block.Block;
 import net.minecraft.world.level.block.entity.BlockEntity;
+import net.minecraft.world.level.block.entity.BlockEntityTicker;
+import net.minecraft.world.level.block.entity.BlockEntityType;
 import net.minecraft.world.level.block.state.StateDefinition;
 import net.minecraft.world.level.block.state.BlockState;
 import net.minecraft.world.level.block.state.properties.BlockStateProperties;
 import net.minecraft.world.level.block.state.properties.DirectionProperty;
 import net.minecraft.world.phys.BlockHitResult;
+import net.minecraft.world.phys.shapes.CollisionContext;
+import net.minecraft.world.phys.shapes.Shapes;
+import net.minecraft.world.phys.shapes.VoxelShape;
+import net.neoforged.bus.api.SubscribeEvent;
+import net.neoforged.fml.common.EventBusSubscriber;
+import net.neoforged.neoforge.event.entity.player.PlayerInteractEvent;
 
 public class DuelTableBlock extends BaseEntityBlock {
     public static final MapCodec<DuelTableBlock> CODEC = simpleCodec(DuelTableBlock::new);
@@ -53,57 +65,60 @@ public class DuelTableBlock extends BaseEntityBlock {
         }
 
         try {
-            if (hitResult.getDirection() != Direction.UP) {
-                player.displayClientMessage(Component.literal("Click the top face of the Duel Table to target a board space.").withStyle(ChatFormatting.YELLOW), false);
-                return ItemInteractionResult.CONSUME;
-            }
-            Direction tableFacing = state.getValue(FACING);
-
             DuelTableBlockEntity table = getTableEntity(level, pos);
             if (table == null) {
                 player.displayClientMessage(Component.literal("Duel table storage is unavailable.").withStyle(ChatFormatting.RED), false);
                 return ItemInteractionResult.CONSUME;
             }
 
+            Direction tableFacing = state.getValue(FACING);
+
             DuelSession session = DuelSessionManager.get(player);
+            if (session != null && session.isInOverview()) {
+                if (tryTakeRewardCard(level, pos, player, hitResult, tableFacing)) {
+                    return ItemInteractionResult.CONSUME;
+                }
+                if (hitResult.getDirection() != Direction.UP) {
+                    player.displayClientMessage(Component.literal("Reward debug: no reward hit; clicked face " + hitResult.getDirection().getName()).withStyle(ChatFormatting.DARK_GRAY), false);
+                    return ItemInteractionResult.CONSUME;
+                }
+                player.displayClientMessage(Component.literal("Reward debug: no reward hit; falling back to board close.").withStyle(ChatFormatting.DARK_GRAY), false);
+                completeOverview(level, pos, player, session);
+                return ItemInteractionResult.CONSUME;
+            }
+
+            if (hitResult.getDirection() != Direction.UP) {
+                player.displayClientMessage(Component.literal("Click the top face of the Duel Table to target a board space.").withStyle(ChatFormatting.YELLOW), false);
+                return ItemInteractionResult.CONSUME;
+            }
+
             if (session == null) {
+                boolean aiVsAi = stack.isEmpty();
                 try {
-                    session = DuelSessionManager.start(player, pos);
+                    session = DuelSessionManager.start(player, pos, aiVsAi);
                 } catch (IllegalStateException exception) {
                     player.displayClientMessage(Component.literal("You need 5 Triad Cards in your inventory to start a duel.").withStyle(ChatFormatting.YELLOW), false);
                     return ItemInteractionResult.CONSUME;
                 }
                 table.clearBoard();
                 table.setParticipants(session.playerParticipantId(), session.opponentParticipantId());
+                table.updateHudState(session);
+                if (aiVsAi) {
+                    player.displayClientMessage(Component.literal("AI vs AI duel started. Empty-hand click on a Duel Table launches an autoplay match.").withStyle(ChatFormatting.GOLD), false);
+                    if (player instanceof net.minecraft.server.level.ServerPlayer serverPlayer) {
+                        DuelTableAnimationResolver.startAiTurn(table, session, serverPlayer);
+                    }
+                } else {
                     player.displayClientMessage(session.startMessage().copy().withStyle(ChatFormatting.GOLD), false);
-                player.displayClientMessage(session.handSummary(), false);
+                }
                 return ItemInteractionResult.CONSUME;
             }
 
-            if (session.isInOverview()) {
-                completeOverview(level, pos, player, session);
-                return ItemInteractionResult.CONSUME;
-            }
-
-            if (!session.isPlayerTurn()) {
-                MoveResult opponentMove = session.playOpponentTurn();
-                if (!opponentMove.valid()) {
-                    player.displayClientMessage(Component.literal(opponentMove.errorMessage()).withStyle(ChatFormatting.RED), false);
-                    clearAndRefund(level, pos, player, true);
-                    return ItemInteractionResult.CONSUME;
-                }
-                placeBoardCard(table, opponentMove, DuelTableBlockEntity.OWNER_SECOND);
-                applyCapturedOwnership(table, opponentMove, DuelTableBlockEntity.OWNER_SECOND);
-                player.displayClientMessage(Component.literal("Training Duelist takes a turn."), false);
-                sendBattleLog(player, opponentMove, ChatFormatting.GRAY);
-                player.displayClientMessage(session.boardSummary(), false);
-                finishIfComplete(level, pos, player, session);
+            if (table.hasActiveAnimation() || session.isAnimating()) {
                 return ItemInteractionResult.CONSUME;
             }
 
             if (!stack.is(TriadItems.TRIAD_CARD.get())) {
-                player.displayClientMessage(Component.literal("Hold a Triad Card from your duel hand to play your turn.").withStyle(ChatFormatting.YELLOW), false);
-                player.displayClientMessage(session.handSummary(), false);
                 return ItemInteractionResult.CONSUME;
             }
 
@@ -116,8 +131,6 @@ public class DuelTableBlock extends BaseEntityBlock {
             MoveResult playerMove = session.playPlayerCard(cardData.cardId(), hitResult, player.getAbilities().instabuild, tableFacing);
             if (!playerMove.valid()) {
                 player.displayClientMessage(Component.literal("Move rejected: " + playerMove.errorMessage()).withStyle(ChatFormatting.RED), false);
-                player.displayClientMessage(session.boardSummary().copy().withStyle(ChatFormatting.DARK_GRAY), false);
-                player.displayClientMessage(session.handSummary(), false);
                 return ItemInteractionResult.CONSUME;
             }
 
@@ -126,36 +139,14 @@ public class DuelTableBlock extends BaseEntityBlock {
                 clearAndRefund(level, pos, player, true);
                 return ItemInteractionResult.CONSUME;
             }
-            applyCapturedOwnership(table, playerMove, DuelTableBlockEntity.OWNER_FIRST);
 
             if (!player.getAbilities().instabuild) {
                 stack.consume(1, player);
             }
 
-            player.displayClientMessage(Component.literal("You play " + playerMove.playedCardName() + "."), false);
-            sendBattleLog(player, playerMove, ChatFormatting.DARK_AQUA);
-            player.displayClientMessage(session.boardSummary(), false);
-            finishIfComplete(level, pos, player, session);
-            if (session.isComplete()) {
-                return ItemInteractionResult.CONSUME;
-            }
-
-            MoveResult opponentMove = session.playOpponentTurn();
-            if (!opponentMove.valid()) {
-                player.displayClientMessage(Component.literal(opponentMove.errorMessage()).withStyle(ChatFormatting.RED), false);
-                clearAndRefund(level, pos, player, true);
-                return ItemInteractionResult.CONSUME;
-            }
-            placeBoardCard(table, opponentMove, DuelTableBlockEntity.OWNER_SECOND);
-            applyCapturedOwnership(table, opponentMove, DuelTableBlockEntity.OWNER_SECOND);
-            player.displayClientMessage(Component.literal("Training Duelist answers with " + opponentMove.playedCardName() + "."), false);
-            sendBattleLog(player, opponentMove, ChatFormatting.GRAY);
-            player.displayClientMessage(session.boardSummary(), false);
-            finishIfComplete(level, pos, player, session);
-            if (!session.isComplete()) {
-                player.displayClientMessage(Component.literal("Your turn. Hold one of your remaining duel cards and click an open space.").withStyle(ChatFormatting.YELLOW), false);
-                player.displayClientMessage(session.handSummary(), false);
-            }
+            session.beginPlayerAnimation();
+            table.updateHudState(session);
+            table.startMoveAnimation(playerMove, DuelTableBlockEntity.OWNER_FIRST);
             return ItemInteractionResult.CONSUME;
         } catch (Exception exception) {
             MineTriad.LOGGER.error("Duel table interaction failed", exception);
@@ -203,11 +194,64 @@ public class DuelTableBlock extends BaseEntityBlock {
         return new DuelTableBlockEntity(pos, state);
     }
 
+    @Override
+    public <T extends BlockEntity> BlockEntityTicker<T> getTicker(Level level, BlockState state, BlockEntityType<T> blockEntityType) {
+        return createTickerHelper(blockEntityType, com.trunksbomb.minetriad.registry.TriadBlockEntities.DUEL_TABLE.get(), DuelTableBlockEntity::tick);
+    }
+
     @Override
     protected RenderShape getRenderShape(BlockState state) {
         return RenderShape.MODEL;
     }
 
+    @Override
+    protected VoxelShape getShape(BlockState state, BlockGetter level, BlockPos pos, CollisionContext context) {
+        return overviewRewardShape(state, level, pos, super.getShape(state, level, pos, context));
+    }
+
+    @Override
+    protected VoxelShape getInteractionShape(BlockState state, BlockGetter level, BlockPos pos) {
+        return overviewRewardShape(state, level, pos, super.getInteractionShape(state, level, pos));
+    }
+
+    private VoxelShape overviewRewardShape(BlockState state, BlockGetter level, BlockPos pos, VoxelShape baseShape) {
+        VoxelShape shape = baseShape;
+        BlockEntity blockEntity = level.getBlockEntity(pos);
+        if (!(blockEntity instanceof DuelTableBlockEntity table) || table.rewardCardCount() <= 0) {
+            return shape;
+        }
+
+        Direction tableFacing = state.getValue(FACING);
+        int rewardCount = table.rewardCardCount();
+        VoxelShape rewardShape = Shapes.empty();
+        for (int index = 0; index < rewardCount; index++) {
+            BoardLocalSpace.SlotCenter center = BoardLocalSpace.rewardCenter(index, tableFacing, rewardCount);
+            double minX;
+            double maxX;
+            double minZ;
+            double maxZ;
+            if (tableFacing.getAxis() == Direction.Axis.Z) {
+                minX = center.x() - 0.11D;
+                maxX = center.x() + 0.11D;
+                minZ = center.z() - 0.05D;
+                maxZ = center.z() + 0.05D;
+            } else {
+                minX = center.x() - 0.05D;
+                maxX = center.x() + 0.05D;
+                minZ = center.z() - 0.11D;
+                maxZ = center.z() + 0.11D;
+            }
+            rewardShape = Shapes.or(rewardShape, Block.box(
+                    minX * 16.0D,
+                    20.0D,
+                    minZ * 16.0D,
+                    maxX * 16.0D,
+                    31.5D,
+                    maxZ * 16.0D));
+        }
+        return Shapes.or(shape, rewardShape);
+    }
+
     @Override
     protected void createBlockStateDefinition(StateDefinition.Builder<Block, BlockState> builder) {
         builder.add(FACING);
@@ -225,33 +269,11 @@ public class DuelTableBlock extends BaseEntityBlock {
         return table.setCard(moveResult.playedCell().index(), CardItem.createCardStack(moveResult.playedCardId(), TriadItems.TRIAD_CARD.get()), owner);
     }
 
-    private static void applyCapturedOwnership(DuelTableBlockEntity table, MoveResult moveResult, int owner) {
-        for (var cell : moveResult.capturedCells()) {
-            table.setOwner(cell.index(), owner);
-        }
-    }
-
-    private static void sendBattleLog(Player player, MoveResult moveResult, ChatFormatting color) {
-        for (String line : moveResult.battleLog()) {
-            player.displayClientMessage(Component.literal(line).withStyle(color), false);
-        }
-    }
-
     private static DuelTableBlockEntity getTableEntity(Level level, BlockPos pos) {
         BlockEntity blockEntity = level.getBlockEntity(pos);
         return blockEntity instanceof DuelTableBlockEntity duelTableBlockEntity ? duelTableBlockEntity : null;
     }
 
-    private static void finishIfComplete(Level level, BlockPos pos, Player player, DuelSession session) {
-        if (!session.isComplete()) {
-            return;
-        }
-
-        session.enterOverview();
-        player.displayClientMessage(session.resultSummary().copy().withStyle(ChatFormatting.AQUA), false);
-        player.displayClientMessage(session.overviewMessage().copy().withStyle(ChatFormatting.YELLOW), false);
-    }
-
     private static void clearAndRefund(Level level, BlockPos pos, Player player, boolean refundFullHand) {
         DuelTableBlockEntity table = getTableEntity(level, pos);
         if (table != null) {
@@ -263,9 +285,98 @@ public class DuelTableBlock extends BaseEntityBlock {
     private static void completeOverview(Level level, BlockPos pos, Player player, DuelSession session) {
         DuelTableBlockEntity table = getTableEntity(level, pos);
         if (table != null) {
-            table.clearBoard();
-        }
-        DuelSessionManager.end(player, true);
-        player.displayClientMessage(Component.literal("Duel finished. All played cards have been returned.").withStyle(ChatFormatting.GREEN), false);
+            session.beginClosingAnimation();
+            table.updateHudState(session);
+            table.startClearWaveAnimation();
+        }
+    }
+
+    private static boolean tryTakeRewardCard(Level level, BlockPos pos, Player player, BlockHitResult hitResult, Direction tableFacing) {
+        DuelTableBlockEntity table = getTableEntity(level, pos);
+        if (table == null || table.rewardCardCount() <= 0) {
+            player.displayClientMessage(Component.literal("Reward debug: no reward cards available.").withStyle(ChatFormatting.DARK_GRAY), false);
+            return false;
+        }
+
+        double localX = hitResult.getLocation().x - hitResult.getBlockPos().getX();
+        double localY = hitResult.getLocation().y - hitResult.getBlockPos().getY();
+        double localZ = hitResult.getLocation().z - hitResult.getBlockPos().getZ();
+        int rewardIndex = com.trunksbomb.minetriad.game.BoardLocalSpace.rewardIndexForHit(hitResult, tableFacing, table.rewardCardCount());
+        if (rewardIndex < 0) {
+            player.displayClientMessage(Component.literal(String.format(
+                    "Reward debug: miss at local %.3f, %.3f, %.3f with %d cards",
+                    localX,
+                    localY,
+                    localZ,
+                    table.rewardCardCount())).withStyle(ChatFormatting.DARK_GRAY), false);
+            return false;
+        }
+
+        int actualSlot = actualRewardSlot(table, rewardIndex);
+        if (actualSlot < 0) {
+            player.displayClientMessage(Component.literal("Reward debug: resolved visual index " + rewardIndex + " but found no matching slot.").withStyle(ChatFormatting.DARK_GRAY), false);
+            return false;
+        }
+
+        ItemStack reward = table.takeRewardCard(actualSlot);
+        if (reward.isEmpty()) {
+            player.displayClientMessage(Component.literal("Reward debug: slot " + actualSlot + " was empty when taking.").withStyle(ChatFormatting.DARK_GRAY), false);
+            return false;
+        }
+
+        player.displayClientMessage(Component.literal("Reward debug: took visual index " + rewardIndex + " from slot " + actualSlot + ".").withStyle(ChatFormatting.DARK_GRAY), false);
+        return true;
+    }
+
+    private static int actualRewardSlot(DuelTableBlockEntity table, int rewardIndex) {
+        int visibleIndex = 0;
+        for (int slot = 0; slot < DuelTableBlockEntity.REWARD_SLOT_COUNT; slot++) {
+            if (table.getRewardCard(slot).isEmpty()) {
+                continue;
+            }
+            if (visibleIndex == rewardIndex) {
+                return slot;
+            }
+            visibleIndex++;
+        }
+        return -1;
+    }
+
+    @EventBusSubscriber(modid = MineTriad.MOD_ID)
+    public static final class RewardInteractionEvents {
+        @SubscribeEvent
+        public static void onEntityInteract(PlayerInteractEvent.EntityInteractSpecific event) {
+            if (!(event.getTarget() instanceof Interaction interaction) || !DuelTableBlockEntity.isRewardProxy(interaction)) {
+                return;
+            }
+
+            BlockPos tablePos = DuelTableBlockEntity.rewardProxyPos(interaction);
+            if (tablePos == null) {
+                return;
+            }
+
+            Level level = event.getLevel();
+            DuelTableBlockEntity table = getTableEntity(level, tablePos);
+            DuelSession session = DuelSessionManager.getAt(tablePos);
+            if (table == null || session == null || !session.isInOverview()) {
+                interaction.discard();
+                return;
+            }
+
+            int slot = DuelTableBlockEntity.rewardProxySlot(interaction);
+            if (slot < 0) {
+                return;
+            }
+
+            ItemStack reward = table.takeRewardCard(slot);
+            if (reward.isEmpty()) {
+                interaction.discard();
+                return;
+            }
+
+            event.getEntity().displayClientMessage(Component.literal("Reward debug: entity take from slot " + slot + ".").withStyle(ChatFormatting.DARK_GRAY), false);
+            event.setCanceled(true);
+            event.setCancellationResult(InteractionResult.SUCCESS);
+        }
     }
 }