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