Implements #3761 - Add entity liquid API (#3762)

Spigot-API-Patches/0215-Add-entity-liquid-API.patch

@@ -0,0 +1,51 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: William Blake Galbreath <Blake.Galbreath@GMail.com>
+Date: Thu, 2 Jul 2020 18:11:33 -0500
+Subject: [PATCH] Add entity liquid API
+
+
+diff --git a/src/main/java/org/bukkit/entity/Entity.java b/src/main/java/org/bukkit/entity/Entity.java
+index d4c776f32caf0491670175a79584c73dd2c7fcca..7808ade92ccd3553056c57cdf77464fb8bdf9312 100644
+--- a/src/main/java/org/bukkit/entity/Entity.java
++++ b/src/main/java/org/bukkit/entity/Entity.java
+@@ -659,5 +659,40 @@ public interface Entity extends Metadatable, CommandSender, Nameable, Persistent
+      */
+     @NotNull
+     org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason getEntitySpawnReason();
++
++    /**
++     * Check if entity is in water
++     */
++    public boolean isInWater();
++
++    /**
++     * Check if entity is in rain
++     */
++    public boolean isInRain();
++
++    /**
++     * Check if entity is in bubble column
++     */
++    public boolean isInBubbleColumn();
++
++    /**
++     * Check if entity is in water or rain
++     */
++    public boolean isInWaterOrRain();
++
++    /**
++     * Check if entity is in water or bubble column
++     */
++    public boolean isInWaterOrBubbleColumn();
++
++    /**
++     * Check if entity is in water or rain or bubble column
++     */
++    public boolean isInWaterOrRainOrBubbleColumn();
++
++    /**
++     * Check if entity is in lava
++     */
++    public boolean isInLava();
+     // Paper end
+ }

Spigot-Server-Patches/0532-Add-entity-liquid-API.patch

@@ -0,0 +1,79 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: William Blake Galbreath <Blake.Galbreath@GMail.com>
+Date: Thu, 2 Jul 2020 18:11:43 -0500
+Subject: [PATCH] Add entity liquid API
+
+
+diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
+index fcb3d3adae52fd70e856344a727a344cf78cfce3..9c4b02d776f8b99c6703c8dfc5d9fac0702bbe80 100644
+--- a/src/main/java/net/minecraft/server/Entity.java
++++ b/src/main/java/net/minecraft/server/Entity.java
+@@ -1117,12 +1117,13 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
+         return this.inWater;
+     }
+ 
+-    private boolean isInRain() {
++    public boolean isInRain() { // Paper - private -> public
+         BlockPosition blockposition = this.getChunkCoordinates();
+ 
+         return this.world.isRainingAt(blockposition) || this.world.isRainingAt(blockposition.a(0.0D, (double) this.size.height, 0.0D));
+     }
+ 
++    public boolean isInBubbleColumn() { return k(); } // Paper - OBFHELPER
+     private boolean k() {
+         return this.world.getType(this.getChunkCoordinates()).a(Blocks.BUBBLE_COLUMN);
+     }
+@@ -1136,6 +1137,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
+         return this.isInWater() || this.isInRain() || this.k();
+     }
+ 
++    public boolean isInWaterOrBubbleColumn() { return aD(); } // Paper - OBFHELPER
+     public boolean aD() {
+         return this.isInWater() || this.k();
+     }
+@@ -1286,6 +1288,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
+         this.inLava = true;
+     }
+ 
++    public boolean isInLava() { return aN(); } // Paper - OBFHELPER
+     public boolean aN() {
+         return this.inLava;
+     }
+diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
+index 821417610fdb23791bd83e263977026b9d09e31a..8002a38bcc806a5d79531fe1a9c12b2c5ac6c37b 100644
+--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
++++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
+@@ -1065,5 +1065,33 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
+     public org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason getEntitySpawnReason() {
+         return getHandle().spawnReason;
+     }
++
++    public boolean isInWater() {
++        return getHandle().isInWater();
++    }
++    
++    public boolean isInRain() {
++        return getHandle().isInRain();
++    }
++
++    public boolean isInBubbleColumn() {
++        return getHandle().isInBubbleColumn();
++    }
++
++    public boolean isInWaterOrRain() {
++        return getHandle().isInWaterOrRain();
++    }
++
++    public boolean isInWaterOrBubbleColumn() {
++        return getHandle().isInWaterOrBubbleColumn();
++    }
++    
++    public boolean isInWaterOrRainOrBubbleColumn() {
++        return getHandle().isInWaterOrRainOrBubble();
++    }
++
++    public boolean isInLava() {
++        return getHandle().isInLava();
++    }
+     // Paper end
+ }