diff options
Diffstat (limited to 'src/MobSpawner.cpp')
| -rw-r--r-- | src/MobSpawner.cpp | 361 |
1 files changed, 361 insertions, 0 deletions
diff --git a/src/MobSpawner.cpp b/src/MobSpawner.cpp new file mode 100644 index 000000000..4d0b2777b --- /dev/null +++ b/src/MobSpawner.cpp @@ -0,0 +1,361 @@ + +#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 == biEnd) + { + 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; + } + HaveFloor = ( + HaveFloor || + ( + a_Chunk->UnboundedRelGetBlockType(a_RelX + x, a_RelY - 1, a_RelZ + z, TargetBlock) && + !g_BlockTransparent[TargetBlock] + ) + ); + } + } + return CanSpawn && HaveFloor && (SkyLight <= 7) && (BlockLight <= 7); + } + + case cMonster::mtCreeper: + case cMonster::mtSkeleton: + 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) + ); + } + + case cMonster::mtWolf: + { + return ( + (TargetBlock == E_BLOCK_GRASS) && + (BlockAbove == E_BLOCK_AIR) && + ( + (a_Biome == biTaiga) || + (a_Biome == biTaigaHills) || + (a_Biome == biForest) || + (a_Biome == biForestHills) || + (a_Biome == biColdTaiga) || + (a_Biome == biColdTaigaHills) || + (a_Biome == biTaigaM) || + (a_Biome == biMegaTaiga) || + (a_Biome == biMegaTaigaHills) + ) + ); + } + + default: + { + LOGD("MG TODO: Write spawning rule for mob 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(); +} + + + + |