Merge pull request #828 from mc-server/Wither

Wither invulnerability

src/Blocks/BlockMobHead.h

@@ -21,6 +21,18 @@ public:
 	{
 		a_Pickups.push_back(cItem(E_ITEM_HEAD, 1, 0));
 	}
+
+	bool TrySpawnWither(cChunkInterface & a_ChunkInterface, int a_BlockX, int a_BlockY, int a_BlockZ)
+	{
+		if (a_BlockY < 2)
+		{
+			return false;
+		}
+		
+		// TODO 2014-03-24 xdot
+
+		return false;
+	}
 	
 	virtual void OnPlacedByPlayer(
 		cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer * a_Player, 
@@ -62,6 +74,8 @@ public:
 		cWorld * World = (cWorld *) &a_WorldInterface;
 		World->DoWithMobHeadAt(a_BlockX, a_BlockY, a_BlockZ, Callback);
 		a_ChunkInterface.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, a_BlockMeta);
+
+		TrySpawnWither(a_ChunkInterface, a_BlockX, a_BlockY, a_BlockZ);
 	}
 } ;
 

src/Mobs/Monster.cpp

@@ -758,6 +758,7 @@ cMonster::eFamily cMonster::FamilyFromType(eType a_Type)
 		case mtSquid:        return mfWater;
 		case mtVillager:     return mfPassive;
 		case mtWitch:        return mfHostile;
+		case mtWither:       return mfHostile;
 		case mtWolf:         return mfHostile;
 		case mtZombie:       return mfHostile;
 		case mtZombiePigman: return mfHostile;

src/Mobs/Villager.h

@@ -29,7 +29,7 @@ public:
 
 	CLASS_PROTODEF(cVillager);
 
-	// Override functions
+	// cEntity overrides
 	virtual void DoTakeDamage(TakeDamageInfo & a_TDI) override;
 	virtual void Tick        (float a_Dt, cChunk & a_Chunk) override;
 

src/Mobs/Wither.cpp

@@ -2,14 +2,64 @@
 #include "Globals.h"  // NOTE: MSVC stupidness requires this to be the same across all modules
 
 #include "Wither.h"
+#include "../World.h"
 
 
 
 
 
 cWither::cWither(void) :
-	super("Wither", mtWither, "mob.wither.hurt", "mob.wither.death", 0.9, 4.0)
+	super("Wither", mtWither, "mob.wither.hurt", "mob.wither.death", 0.9, 4.0),
+	m_InvulnerableTicks(220)
 {
+	SetMaxHealth(300);
+
+	SetHealth(GetMaxHealth() / 3);
+}
+
+
+
+
+
+void cWither::DoTakeDamage(TakeDamageInfo & a_TDI)
+{
+	if (a_TDI.DamageType == dtDrowning)
+	{
+		return;
+	}
+
+	if (m_InvulnerableTicks > 0)
+	{
+		return;
+	}
+
+	super::DoTakeDamage(a_TDI);
+}
+
+
+
+
+
+void cWither::Tick(float a_Dt, cChunk & a_Chunk)
+{
+	super::Tick(a_Dt, a_Chunk);
+
+	if (m_InvulnerableTicks > 0)
+	{
+		unsigned int NewTicks = m_InvulnerableTicks - 1;
+
+		if (NewTicks == 0)
+		{
+			m_World->DoExplosionAt(7.0, GetPosX(), GetPosY(), GetPosZ(), false, esWitherBirth, this);
+		}
+
+		m_InvulnerableTicks = NewTicks;
+
+		if ((NewTicks % 10) == 0)
+		{
+			Heal(10);
+		}
+	}
 }
 
 

src/Mobs/Wither.h

@@ -16,8 +16,21 @@ public:
 	cWither(void);
 
 	CLASS_PROTODEF(cWither);
+
+	unsigned int GetNumInvulnerableTicks(void) const { return m_InvulnerableTicks; }
+
+	void SetNumInvulnerableTicks(unsigned int a_Ticks) { m_InvulnerableTicks = a_Ticks; }
 	
+	// cEntity overrides
 	virtual void GetDrops(cItems & a_Drops, cEntity * a_Killer = NULL) override;
+	virtual void DoTakeDamage(TakeDamageInfo & a_TDI) override;
+	virtual void Tick(float a_Dt, cChunk & a_Chunk) override;
+
+private:
+
+	/** The number of ticks of invulnerability left after being initially created. Zero once invulnerability has expired. */
+	unsigned int m_InvulnerableTicks;
+
 } ;
 
 

src/World.h

@@ -497,16 +497,16 @@ public:
 	
 	/** Does an explosion with the specified strength at the specified coordinate
 	a_SourceData exact type depends on the a_Source:
-	| esOther | void * |
-	| esPrimedTNT | cTNTEntity * |
-	| esMonster | cMonster * |
-	| esBed | cVector3i * |
-	| esEnderCrystal | Vector3i * |
-	| esGhastFireball | cGhastFireball * |
-	| esWitherSkullBlack | TBD |
-	| esWitherSkullBlue | TBD |
-	| esWitherBirth | TBD |
-	| esPlugin | void * |
+	| esOther            | void *           |
+	| esPrimedTNT        | cTNTEntity *     |
+	| esMonster          | cMonster *       |
+	| esBed              | cVector3i *      |
+	| esEnderCrystal     | Vector3i *       |
+	| esGhastFireball    | cGhastFireball * |
+	| esWitherSkullBlack | TBD              |
+	| esWitherSkullBlue  | TBD              |
+	| esWitherBirth      | cMonster *       |
+	| esPlugin           | void *           |
 	*/
 	virtual void DoExplosionAt(double a_ExplosionSize, double a_BlockX, double a_BlockY, double a_BlockZ, bool a_CanCauseFire, eExplosionSource a_Source, void * a_SourceData);  // tolua_export  // override, cannot specify due to tolua
 

src/WorldStorage/MapSerializer.cpp

@@ -141,7 +141,11 @@ bool cMapSerializer::LoadMapFromNBT(const cParsedNBT & a_NBT)
 	{
 		eDimension Dimension = (eDimension) a_NBT.GetByte(CurrLine);
 		
-		ASSERT(Dimension == m_Map->m_World->GetDimension());
+		if (Dimension != m_Map->m_World->GetDimension())
+		{
+			// TODO 2014-03-20 xdot: We should store nether maps in nether worlds, e.t.c.
+			return false;
+		}
 	}
 
 	CurrLine = a_NBT.FindChildByName(Data, "width");

src/WorldStorage/NBTChunkSerializer.cpp

@@ -43,6 +43,7 @@
 #include "../Mobs/Slime.h"
 #include "../Mobs/Skeleton.h"
 #include "../Mobs/Villager.h"
+#include "../Mobs/Wither.h"
 #include "../Mobs/Wolf.h"
 #include "../Mobs/Zombie.h"
 
@@ -422,7 +423,7 @@ void cNBTChunkSerializer::AddMonsterEntity(cMonster * a_Monster)
 		case cMonster::mtSquid:         EntityClass = "Squid";          break;
 		case cMonster::mtVillager:      EntityClass = "Villager";       break;
 		case cMonster::mtWitch:         EntityClass = "Witch";          break;
-		case cMonster::mtWither:        EntityClass = "Wither";         break;
+		case cMonster::mtWither:        EntityClass = "WitherBoss";     break;
 		case cMonster::mtWolf:          EntityClass = "Wolf";           break;
 		case cMonster::mtZombie:        EntityClass = "Zombie";         break;
 		case cMonster::mtZombiePigman:  EntityClass = "PigZombie";      break;
@@ -501,6 +502,11 @@ void cNBTChunkSerializer::AddMonsterEntity(cMonster * a_Monster)
 				m_Writer.AddInt("Profession", ((const cVillager *)a_Monster)->GetVilType());
 				break;
 			}
+			case cMonster::mtWither:
+			{
+				m_Writer.AddInt("Invul", ((const cWither *)a_Monster)->GetNumInvulnerableTicks());
+				break;
+			}
 			case cMonster::mtWolf:
 			{
 				m_Writer.AddString("Owner", ((const cWolf *)a_Monster)->GetOwner());

src/WorldStorage/WSSAnvil.cpp

@@ -1238,7 +1238,7 @@ void cWSSAnvil::LoadEntityFromNBT(cEntityList & a_Entities, const cParsedNBT & a
 	{
 		LoadWitchFromNBT(a_Entities, a_NBT, a_EntityTagIdx);
 	}
-	else if (strncmp(a_IDTag, "Wither", a_IDTagLength) == 0)
+	else if (strncmp(a_IDTag, "WitherBoss", a_IDTagLength) == 0)
 	{
 		LoadWitherFromNBT(a_Entities, a_NBT, a_EntityTagIdx);
 	}
@@ -2250,6 +2250,12 @@ void cWSSAnvil::LoadWitherFromNBT(cEntityList & a_Entities, const cParsedNBT & a
 		return;
 	}
 
+	int CurrLine = a_NBT.FindChildByName(a_TagIdx, "Invul");
+	if (CurrLine > 0)
+	{
+		Monster->SetNumInvulnerableTicks(a_NBT.GetInt(CurrLine));
+	}
+
 	a_Entities.push_back(Monster.release());
 }