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-rw-r--r--source/MobSpawner.cpp289
1 files changed, 289 insertions, 0 deletions
diff --git a/source/MobSpawner.cpp b/source/MobSpawner.cpp
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+++ b/source/MobSpawner.cpp
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+
+#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules
+
+#include "MobSpawner.h"
+#include "Mobs/IncludeAllMonsters.h"
+
+
+
+
+
+cMobSpawner::cMobSpawner(cMonster::eFamily a_MonsterFamily,const std::set<cMonster::eType>& a_AllowedTypes) :
+ m_MonsterFamily(a_MonsterFamily),
+ m_NewPack(true),
+ m_MobType(cMonster::mtInvalidType)
+{
+ for (std::set<cMonster::eType>::const_iterator itr = a_AllowedTypes.begin(); itr != a_AllowedTypes.end(); itr++)
+ {
+ if (cMonster::FamilyFromType(*itr) == a_MonsterFamily)
+ {
+ m_AllowedTypes.insert(*itr);
+ }
+ }
+}
+
+
+
+
+
+bool cMobSpawner::CheckPackCenter(BLOCKTYPE a_BlockType)
+{
+ // Packs of non-water mobs can only be centered on an air block
+ // Packs of water mobs can only be centered on a water block
+ if (m_MonsterFamily == cMonster::mfWater)
+ {
+ return IsBlockWater(a_BlockType);
+ }
+ else
+ {
+ return a_BlockType == E_BLOCK_AIR;
+ }
+}
+
+
+
+
+
+void cMobSpawner::addIfAllowed(cMonster::eType toAdd, std::set<cMonster::eType>& toAddIn)
+{
+ std::set<cMonster::eType>::iterator itr = m_AllowedTypes.find(toAdd);
+ if (itr != m_AllowedTypes.end())
+ {
+ toAddIn.insert(toAdd);
+ }
+}
+
+
+
+
+
+cMonster::eType cMobSpawner::ChooseMobType(EMCSBiome a_Biome)
+{
+ std::set<cMonster::eType> allowedMobs;
+
+ if (a_Biome == biMushroomIsland || a_Biome == biMushroomShore)
+ {
+ addIfAllowed(cMonster::mtMooshroom, allowedMobs);
+ }
+ else if (a_Biome == biNether)
+ {
+ addIfAllowed(cMonster::mtGhast, allowedMobs);
+ addIfAllowed(cMonster::mtZombiePigman, allowedMobs);
+ addIfAllowed(cMonster::mtMagmaCube, allowedMobs);
+ }
+ /*else if (a_Biome == biEnder) MG TODO : figure out what are the biomes of the ender
+ {
+ addIfAllowed(cMonster::mtEnderman, allowedMobs);
+ }*/
+ else
+ {
+ addIfAllowed(cMonster::mtBat, allowedMobs);
+ addIfAllowed(cMonster::mtSpider, allowedMobs);
+ addIfAllowed(cMonster::mtZombie, allowedMobs);
+ addIfAllowed(cMonster::mtSkeleton, allowedMobs);
+ addIfAllowed(cMonster::mtCreeper, allowedMobs);
+ addIfAllowed(cMonster::mtSquid, allowedMobs);
+
+ if (a_Biome != biDesert && a_Biome != biBeach && a_Biome != biOcean)
+ {
+ addIfAllowed(cMonster::mtSheep, allowedMobs);
+ addIfAllowed(cMonster::mtPig, allowedMobs);
+ addIfAllowed(cMonster::mtCow, allowedMobs);
+ addIfAllowed(cMonster::mtChicken, allowedMobs);
+ addIfAllowed(cMonster::mtEnderman, allowedMobs);
+ addIfAllowed(cMonster::mtSlime, allowedMobs); // MG TODO : much more complicated rule
+
+ if (a_Biome == biForest || a_Biome == biForestHills || a_Biome == biTaiga || a_Biome == biTaigaHills)
+ {
+ addIfAllowed(cMonster::mtWolf, allowedMobs);
+ }
+ else if (a_Biome == biJungle || a_Biome == biJungleHills)
+ {
+ addIfAllowed(cMonster::mtOcelot, allowedMobs);
+ }
+ }
+ }
+
+ int allowedMobsSize = allowedMobs.size();
+ if (allowedMobsSize > 0)
+ {
+ std::set<cMonster::eType>::iterator itr = allowedMobs.begin();
+ int iRandom = m_Random.NextInt(allowedMobsSize,a_Biome);
+
+ for(int i = 0; i < iRandom; i++)
+ {
+ itr++;
+ }
+
+ return *itr;
+ }
+ return cMonster::mtInvalidType;
+}
+
+
+
+
+
+bool cMobSpawner::CanSpawnHere(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ, cMonster::eType a_MobType, EMCSBiome a_Biome)
+{
+ BLOCKTYPE TargetBlock;
+ if (m_AllowedTypes.find(a_MobType) != m_AllowedTypes.end() && a_Chunk->UnboundedRelGetBlockType(a_RelX, a_RelY, a_RelZ, TargetBlock))
+ {
+ NIBBLETYPE BlockLight = a_Chunk->GetBlockLight(a_RelX, a_RelY, a_RelZ);
+ NIBBLETYPE SkyLight = a_Chunk->GetSkyLight(a_RelX, a_RelY, a_RelZ);
+ BLOCKTYPE BlockAbove = a_Chunk->GetBlock(a_RelX, a_RelY + 1, a_RelZ);
+ BLOCKTYPE BlockBelow = a_Chunk->GetBlock(a_RelX, a_RelY - 1, a_RelZ);
+
+ SkyLight = a_Chunk->GetTimeAlteredLight(SkyLight);
+
+ switch(a_MobType)
+ {
+ case cMonster::mtSquid:
+ return IsBlockWater(TargetBlock) && (a_RelY >= 45) && (a_RelY <= 62);
+
+ case cMonster::mtBat:
+ return (a_RelY <= 63) && (BlockLight <= 4) && (SkyLight <= 4) && (TargetBlock == E_BLOCK_AIR) && (!g_BlockTransparent[BlockAbove]);
+
+ case cMonster::mtChicken:
+ case cMonster::mtCow:
+ case cMonster::mtPig:
+ case cMonster::mtHorse:
+ case cMonster::mtSheep:
+ {
+ return (TargetBlock == E_BLOCK_AIR) && (BlockAbove == E_BLOCK_AIR) && (!g_BlockTransparent[BlockBelow]) &&
+ (BlockBelow == E_BLOCK_GRASS) && (SkyLight >= 9);
+ }
+
+ case cMonster::mtOcelot:
+ {
+ return (TargetBlock == E_BLOCK_AIR) && (BlockAbove == E_BLOCK_AIR) &&
+ ((BlockBelow == E_BLOCK_GRASS) || (BlockBelow == E_BLOCK_LEAVES)) && (a_RelY >= 62) && (m_Random.NextInt(3,a_Biome) != 0);
+ }
+ case cMonster::mtEnderman:
+ {
+ if (a_RelY < 250)
+ {
+ BLOCKTYPE BlockTop = a_Chunk->GetBlock(a_RelX, a_RelY + 2, a_RelZ);
+ if (BlockTop == E_BLOCK_AIR)
+ {
+ BlockTop = a_Chunk->GetBlock(a_RelX, a_RelY + 3, a_RelZ);
+ return (TargetBlock == E_BLOCK_AIR) && (BlockAbove == E_BLOCK_AIR) && (BlockTop == E_BLOCK_AIR) && (!g_BlockTransparent[BlockBelow]) &&
+ (SkyLight <= 7) && (BlockLight <= 7);
+ }
+ }
+ break;
+ }
+ case cMonster::mtSpider:
+ {
+ bool CanSpawn = true;
+ bool HaveFloor = false;
+ for (int x = 0; x < 2; ++x)
+ {
+ for(int z = 0; z < 2; ++z)
+ {
+ CanSpawn = a_Chunk->UnboundedRelGetBlockType(a_RelX + x, a_RelY, a_RelZ + z, TargetBlock);
+ CanSpawn = CanSpawn && (TargetBlock == E_BLOCK_AIR);
+ if (!CanSpawn)
+ {
+ return false;
+ }
+ if (!HaveFloor)
+ {
+ a_Chunk->UnboundedRelGetBlockType(a_RelX + x, a_RelY - 1, a_RelZ + z, TargetBlock);
+ HaveFloor = HaveFloor || !g_BlockTransparent[TargetBlock];
+ }
+ }
+ }
+ return CanSpawn && HaveFloor && (SkyLight <= 7) && (BlockLight <= 7);
+
+ }
+ case cMonster::mtCreeper:
+ case cMonster::mtZombie:
+ return (TargetBlock == E_BLOCK_AIR) && (BlockAbove == E_BLOCK_AIR) && (!g_BlockTransparent[BlockBelow]) &&
+ (SkyLight <= 7) && (BlockLight <= 7) && (m_Random.NextInt(2,a_Biome) == 0);
+
+ case cMonster::mtSlime:
+ return (TargetBlock == E_BLOCK_AIR) && (BlockAbove == E_BLOCK_AIR) && (!g_BlockTransparent[BlockBelow]) &&
+ ((a_RelY <= 40) || a_Biome == biSwampland);
+ case cMonster::mtGhast:
+ case cMonster::mtZombiePigman:
+ return (TargetBlock == E_BLOCK_AIR) && (BlockAbove == E_BLOCK_AIR) && (!g_BlockTransparent[BlockBelow]) &&
+ (m_Random.NextInt(20,a_Biome) == 0);
+ default:
+ LOGD("MG TODO : check I've got a Rule to write for type %d",a_MobType);
+ return false;
+ }
+ }
+ return false;
+}
+
+
+
+
+
+cMonster* cMobSpawner::TryToSpawnHere(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ, EMCSBiome a_Biome, int& a_MaxPackSize)
+{
+ cMonster* toReturn = NULL;
+ if (m_NewPack)
+ {
+ m_MobType = ChooseMobType(a_Biome);
+ if (m_MobType == cMonster::mtInvalidType)
+ {
+ return toReturn;
+ }
+ if (m_MobType == cMonster::mtWolf)
+ {
+ a_MaxPackSize = 8;
+ }
+ else if (m_MobType == cMonster::mtGhast)
+ {
+ a_MaxPackSize = 1;
+ }
+ m_NewPack = false;
+ }
+
+ // Make sure we are looking at the right chunk to spawn in
+ a_Chunk = a_Chunk->GetRelNeighborChunkAdjustCoords(a_RelX, a_RelZ);
+
+ if (CanSpawnHere(a_Chunk, a_RelX, a_RelY, a_RelZ, m_MobType, a_Biome))
+ {
+ cMonster * newMob = cMonster::NewMonsterFromType(m_MobType);
+ if (newMob)
+ {
+ m_Spawned.insert(newMob);
+ }
+ toReturn = newMob;
+ }
+ return toReturn;
+}
+
+
+
+
+
+void cMobSpawner::NewPack()
+{
+ m_NewPack = true;
+}
+
+
+
+
+
+cMobSpawner::tSpawnedContainer & cMobSpawner::getSpawned(void)
+{
+ return m_Spawned;
+}
+
+
+
+
+
+bool cMobSpawner::CanSpawnAnything(void)
+{
+ return !m_AllowedTypes.empty();
+}
+
+
+
+