Added bed entity (#3823)

* Added bed entity

* Export cBedEntity to lua
* Set color of bed through item damage value
* Added bed entity to APIDoc
* NBT: Added loading and saving
* Crafting recipes for the colored beds

src/BlockEntities/BedEntity.cpp

@@ -0,0 +1,56 @@
+
+// BedEntity.cpp
+
+#include "Globals.h"  // NOTE: MSVC stupidness requires this to be the same across all modules
+
+#include "BedEntity.h"
+#include "../World.h"
+#include "../Entities/Player.h"
+#include "../ClientHandle.h"
+#include "../Blocks/BlockBed.h"
+
+cBedEntity::cBedEntity(BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta, int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World, short a_Color):
+	Super(a_BlockType, a_BlockMeta, a_BlockX, a_BlockY, a_BlockZ, a_World),
+	m_Color(a_Color)
+{
+	ASSERT(a_BlockType == E_BLOCK_BED);
+}
+
+
+
+
+
+void cBedEntity::CopyFrom(const cBlockEntity & a_Src)
+{
+	Super::CopyFrom(a_Src);
+	auto & src = reinterpret_cast<const cBedEntity &>(a_Src);
+	m_Color = src.m_Color;
+}
+
+
+
+
+
+void cBedEntity::SendTo(cClientHandle & a_Client)
+{
+	a_Client.SendUpdateBlockEntity(*this);
+}
+
+
+
+
+
+void cBedEntity::SetColor(short a_Color)
+{
+	m_Color = a_Color;
+	int posX = m_PosX;
+	int posY = m_PosY;
+	int posZ = m_PosZ;
+
+	// If the bed entity is send immediately, the client (maybe) still has not the bed.
+	// Fix that by delaying the broadcast of the bed entity by a tick:
+	m_World->ScheduleTask(1, [posX, posY, posZ](cWorld & a_World)
+	{
+		a_World.BroadcastBlockEntity(posX, posY, posZ);
+	});
+}