Call EntityChangeBlockEvent for cake eating (#10105)

patches/server/Fire-EntityChangeBlockEvent-in-more-places.patch

@@ -198,6 +198,47 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
                      level.setBlock(blockPos, blockState3, 11);
                      level.gameEvent(GameEvent.BLOCK_CHANGE, blockPos, GameEvent.Context.of(player, blockState3));
                      if (player != null) {
+diff --git a/src/main/java/net/minecraft/world/level/block/CakeBlock.java b/src/main/java/net/minecraft/world/level/block/CakeBlock.java
+index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
+--- a/src/main/java/net/minecraft/world/level/block/CakeBlock.java
++++ b/src/main/java/net/minecraft/world/level/block/CakeBlock.java
+@@ -0,0 +0,0 @@ public class CakeBlock extends Block {
+             Block block = Block.byItem(item);
+ 
+             if (block instanceof CandleBlock) {
++                // Paper start - call change block event
++                if (!org.bukkit.craftbukkit.event.CraftEventFactory.callEntityChangeBlockEvent(player, pos, CandleCakeBlock.byCandle(block))) {
++                    player.containerMenu.sendAllDataToRemote(); // update inv because candle could decrease
++                    return InteractionResult.PASS;
++                }
++                // Paper end - call change block event
+                 if (!player.isCreative()) {
+                     itemstack.shrink(1);
+                 }
+@@ -0,0 +0,0 @@ public class CakeBlock extends Block {
+         if (!player.canEat(false)) {
+             return InteractionResult.PASS;
+         } else {
++            // Paper start - call change block event
++            int i = state.getValue(CakeBlock.BITES);
++            final BlockState newState = i < MAX_BITES ? state.setValue(CakeBlock.BITES, i + 1) : world.getFluidState(pos).createLegacyBlock();
++            if (!org.bukkit.craftbukkit.event.CraftEventFactory.callEntityChangeBlockEvent(player, pos, newState)) {
++                ((net.minecraft.server.level.ServerPlayer) player).getBukkitEntity().sendHealthUpdate();
++                return InteractionResult.PASS; // return a non-consume result to cake blocks don't drop their candles
++            }
++            // Paper end - call change block event
+             player.awardStat(Stats.EAT_CAKE_SLICE);
+             // CraftBukkit start
+             // entityhuman.getFoodData().eat(2, 0.1F);
+@@ -0,0 +0,0 @@ public class CakeBlock extends Block {
+ 
+             ((net.minecraft.server.level.ServerPlayer) player).getBukkitEntity().sendHealthUpdate();
+             // CraftBukkit end
+-            int i = (Integer) state.getValue(CakeBlock.BITES);
++            // Paper - move up
+ 
+             world.gameEvent((Entity) player, GameEvent.EAT, pos);
+             if (i < 6) {
 diff --git a/src/main/java/net/minecraft/world/level/block/ComposterBlock.java b/src/main/java/net/minecraft/world/level/block/ComposterBlock.java
 index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
 --- a/src/main/java/net/minecraft/world/level/block/ComposterBlock.java