Added basic ocelot behavior (#3829)

src/BlockEntities/ChestEntity.cpp

@@ -6,6 +6,8 @@
 #include "../Entities/Player.h"
 #include "../UI/ChestWindow.h"
 #include "../ClientHandle.h"
+#include "../Mobs/Ocelot.h"
+#include "../BoundingBox.h"
 
 
 
@@ -217,11 +219,36 @@ void cChestEntity::DestroyWindow()
 
 
 
+class cFindSittingCat :
+	public cEntityCallback
+{
+	virtual bool Item(cEntity * a_Entity) override
+	{
+		return (
+			(a_Entity->GetEntityType() == cEntity::etMonster) &&
+			(static_cast<cMonster *>(a_Entity)->GetMobType() == eMonsterType::mtOcelot) &&
+			(static_cast<cOcelot *>(a_Entity)->IsSitting())
+		);
+	}
+};
+
+
+
+
+
 bool cChestEntity::IsBlocked()
 {
-	// TODO: cats are an obstruction
+	cFindSittingCat FindSittingCat;
 	return (
 		(GetPosY() >= cChunkDef::Height - 1) ||
-		!cBlockInfo::IsTransparent(GetWorld()->GetBlock(GetPosX(), GetPosY() + 1, GetPosZ()))
+		!cBlockInfo::IsTransparent(GetWorld()->GetBlock(GetPosX(), GetPosY() + 1, GetPosZ())) ||
+		(
+			(GetWorld()->GetBlock(GetPosX(), GetPosY() + 1, GetPosZ()) == E_BLOCK_AIR) &&
+			!GetWorld()->ForEachEntityInBox(cBoundingBox(Vector3d(GetPosX(), GetPosY() + 1, GetPosZ()), 1, 1), FindSittingCat)
+		)
 	);
 }
+
+
+
+