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Merge pull request #1642 from p-mcgowan/animalTerrainFinisher 

Animal terrain finisher
This commit is contained in:
Mattes D 2014-12-05 22:19:44 +01:00
parent 8e56d7539d b25fcb0972
commit 5712fadf31
5 changed files with 274 additions and 3 deletions
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1
CONTRIBUTORS
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@ -18,6 +18,7 @@ mgueydan
MikeHunsinger
mtilden
nesco
p-mcgowan
rs2k
SamJBarney
Sofapriester

6
src/Generating/ComposableGenerator.cpp
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@ -294,7 +294,11 @@ void cComposableGenerator::InitFinishGens(cIniFile & a_IniFile)
for (AStringVector::const_iterator itr = Str.begin(); itr != Str.end(); ++itr)
{
// Finishers, alpha-sorted:
if (NoCaseCompare(*itr, "BottomLava") == 0)
if (NoCaseCompare(*itr, "Animals") == 0)
{
m_FinishGens.push_back(cFinishGenPtr(new cFinishGenPassiveMobs(Seed, a_IniFile, Dimension)));
}
else if (NoCaseCompare(*itr, "BottomLava") == 0)
{
int DefaultBottomLavaLevel = (Dimension == dimNether) ? 30 : 10;
int BottomLavaLevel = a_IniFile.GetValueSetI("Generator", "BottomLavaLevel", DefaultBottomLavaLevel);

236
src/Generating/FinishGen.cpp
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@ -26,6 +26,8 @@
#define DEF_OVERWORLD_LAVA_SPRINGS "0, 0; 10, 5; 11, 45; 48, 2; 64, 1; 255, 0"
#define DEF_END_WATER_SPRINGS "0, 1; 255, 1"
#define DEF_END_LAVA_SPRINGS "0, 1; 255, 1"
#define DEF_ANIMAL_SPAWN_PERCENT 10
#define DEF_NO_ANIMALS 0
@ -958,3 +960,237 @@ bool cFinishGenFluidSprings::TryPlaceSpring(cChunkDesc & a_ChunkDesc, int x, int
////////////////////////////////////////////////////////////////////////////////
// cFinishGenPassiveMobs:
cFinishGenPassiveMobs::cFinishGenPassiveMobs(int a_Seed, cIniFile & a_IniFile, eDimension a_Dimension) :
m_Noise(a_Seed)
{
AString SectionName = "Animals";
int DefaultAnimalSpawnChunkPercentage = DEF_ANIMAL_SPAWN_PERCENT;
switch (a_Dimension)
{
case dimOverworld:
{
DefaultAnimalSpawnChunkPercentage = DEF_ANIMAL_SPAWN_PERCENT;
break;
}
case dimNether:
case dimEnd: // No nether or end animals (currently)
{
DefaultAnimalSpawnChunkPercentage = DEF_NO_ANIMALS;
break;
}
default:
{
ASSERT(!"Unhandled world dimension");
DefaultAnimalSpawnChunkPercentage = DEF_NO_ANIMALS;
break;
}
} // switch (dimension)
m_AnimalProbability = a_IniFile.GetValueSetI(SectionName, "AnimalSpawnChunkPercentage", DefaultAnimalSpawnChunkPercentage);
if ((m_AnimalProbability < 0) || (m_AnimalProbability > 100))
{
LOGWARNING("[Animals]: AnimalSpawnChunkPercentage is invalid, using the default of \"%d\".", DefaultAnimalSpawnChunkPercentage);
m_AnimalProbability = DefaultAnimalSpawnChunkPercentage;
}
}
void cFinishGenPassiveMobs::GenFinish(cChunkDesc & a_ChunkDesc)
{
int chunkX = a_ChunkDesc.GetChunkX();
int chunkZ = a_ChunkDesc.GetChunkZ();
int ChanceRnd = (m_Noise.IntNoise2DInt(chunkX, chunkZ) / 7) % 100;
if (ChanceRnd > m_AnimalProbability)
{
return;
}
eMonsterType RandomMob = GetRandomMob(a_ChunkDesc);
if (RandomMob == mtInvalidType)
{
LOGWARNING("Attempted to spawn invalid mob type.");
return;
}
// Try spawning a pack center 10 times, should get roughly the same probability
for (int Tries = 0; Tries < 10; Tries++)
{
int PackCenterX = (m_Noise.IntNoise2DInt(chunkX + chunkZ, Tries) / 7) % cChunkDef::Width;
int PackCenterZ = (m_Noise.IntNoise2DInt(chunkX, chunkZ + Tries) / 7) % cChunkDef::Width;
if (TrySpawnAnimals(a_ChunkDesc, PackCenterX, a_ChunkDesc.GetHeight(PackCenterX, PackCenterZ), PackCenterZ, RandomMob))
{
for (int i = 0; i < 3; i++)
{
int OffsetX = (m_Noise.IntNoise2DInt(chunkX + chunkZ + i, Tries) / 7) % cChunkDef::Width;
int OffsetZ = (m_Noise.IntNoise2DInt(chunkX, chunkZ + Tries + i) / 7) % cChunkDef::Width;
TrySpawnAnimals(a_ChunkDesc, OffsetX, a_ChunkDesc.GetHeight(OffsetX, OffsetZ), OffsetZ, RandomMob);
}
return;
} // if pack center spawn successful
} // for tries
}
bool cFinishGenPassiveMobs::TrySpawnAnimals(cChunkDesc & a_ChunkDesc, int a_RelX, int a_RelY, int a_RelZ, eMonsterType AnimalToSpawn)
{
if ((a_RelY >= cChunkDef::Height - 1) || (a_RelY <= 0))
{
return false;
}
BLOCKTYPE BlockAtHead = a_ChunkDesc.GetBlockType(a_RelX, a_RelY + 1, a_RelZ);
BLOCKTYPE BlockAtFeet = a_ChunkDesc.GetBlockType(a_RelX, a_RelY, a_RelZ);
BLOCKTYPE BlockUnderFeet = a_ChunkDesc.GetBlockType(a_RelX, a_RelY - 1, a_RelZ);
// Check block below (opaque, grass, water), and above (air)
if ((AnimalToSpawn == mtSquid) && (BlockAtFeet != E_BLOCK_WATER))
{
return false;
}
if (
(AnimalToSpawn != mtSquid) &&
(BlockAtHead != E_BLOCK_AIR) &&
(BlockAtFeet != E_BLOCK_AIR) &&
(!cBlockInfo::IsTransparent(BlockUnderFeet))
)
{
return false;
}
if (
(BlockUnderFeet != E_BLOCK_GRASS) &&
((AnimalToSpawn == mtSheep) || (AnimalToSpawn == mtChicken) || (AnimalToSpawn == mtPig))
)
{
return false;
}
if ((AnimalToSpawn == mtMooshroom) && (BlockUnderFeet != E_BLOCK_MYCELIUM))
{
return false;
}
int AnimalX, AnimalY, AnimalZ;
AnimalX = (double)(a_ChunkDesc.GetChunkX()*cChunkDef::Width + a_RelX + 0.5);
AnimalY = a_RelY;
AnimalZ = (double)(a_ChunkDesc.GetChunkZ()*cChunkDef::Width + a_RelZ + 0.5);
cEntityList ChunkEntities = a_ChunkDesc.GetEntities();
cMonster * NewMob = cMonster::NewMonsterFromType(AnimalToSpawn);
NewMob->SetPosition(AnimalX, AnimalY, AnimalZ);
ChunkEntities.push_back(NewMob);
LOGD("Spawning %s #%i at {%d, %d, %d}", NewMob->GetClass(), NewMob->GetUniqueID(), AnimalX, AnimalY, AnimalZ);
return true;
}
eMonsterType cFinishGenPassiveMobs::GetRandomMob(cChunkDesc & a_ChunkDesc)
{
std::set<eMonsterType> ListOfSpawnables;
std::set<eMonsterType>::iterator MobIter = ListOfSpawnables.begin();
int chunkX = a_ChunkDesc.GetChunkX();
int chunkZ = a_ChunkDesc.GetChunkZ();
int x = (m_Noise.IntNoise2DInt(chunkX, chunkZ + 10) / 7) % cChunkDef::Width;
int z = (m_Noise.IntNoise2DInt(chunkX + chunkZ, chunkZ) / 7) % cChunkDef::Width;
/** Check biomes first to get a list of animals */
switch (a_ChunkDesc.GetBiome(x, z))
{
// No animals in deserts or non-overworld dimensions
case biNether:
case biEnd:
case biDesertHills:
case biDesert:
case biDesertM:
{
return mtInvalidType;
}
// Mooshroom only - no other mobs on mushroom islands
case biMushroomIsland:
case biMushroomShore:
{
return mtMooshroom;
}
// Add squid in ocean biomes
case biOcean:
case biFrozenOcean:
case biFrozenRiver:
case biRiver:
case biDeepOcean:
{
ListOfSpawnables.insert(MobIter, mtSquid);
break;
}
// Add ocelots in jungle biomes
case biJungle:
case biJungleHills:
case biJungleEdge:
case biJungleM:
case biJungleEdgeM:
{
ListOfSpawnables.insert(MobIter, mtOcelot);
break;
}
case biPlains:
case biSunflowerPlains:
case biSavanna:
case biSavannaPlateau:
case biSavannaM:
case biSavannaPlateauM:
{
ListOfSpawnables.insert(MobIter, mtHorse);
// ListOfSpawnables.insert(mtDonkey);
break;
}
// Add wolves in forest and spruce forests
case biForest:
case biTaiga:
case biMegaTaiga:
case biColdTaiga:
case biColdTaigaM:
{
ListOfSpawnables.insert(MobIter, mtWolf);
break;
}
// Nothing special about this biome
default:
{
break;
}
}
ListOfSpawnables.insert(MobIter, mtChicken);
ListOfSpawnables.insert(MobIter, mtCow);
ListOfSpawnables.insert(MobIter, mtPig);
ListOfSpawnables.insert(MobIter, mtSheep);
if (ListOfSpawnables.empty())
{
return mtInvalidType;
}
int RandMob = (m_Noise.IntNoise2DInt(chunkX - chunkZ + 2, chunkX + 5) / 7) % ListOfSpawnables.size();
MobIter = ListOfSpawnables.begin();
for (int i = 0; i < RandMob; i++)
{
++MobIter;
}
return *MobIter;
}

32
src/Generating/FinishGen.h
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@ -18,6 +18,7 @@
#include "ComposableGenerator.h"
#include "../Noise/Noise.h"
#include "../ProbabDistrib.h"
#include "../Mobs/Monster.h"
@ -311,10 +312,39 @@ protected:
// cFinishGen override:
virtual void GenFinish(cChunkDesc & a_ChunkDesc) override;
/// Tries to place a spring at the specified coords, checks neighbors. Returns true if successful
// Tries to place a spring at the specified coords, checks neighbors. Returns true if successful
bool TryPlaceSpring(cChunkDesc & a_ChunkDesc, int x, int y, int z);
} ;
/** This class populates generated chunks with packs of biome-dependant animals
Animals: cows, sheep, pigs, mooshrooms, squid, horses, wolves, ocelots
*/
class cFinishGenPassiveMobs :
public cFinishGen
{
public:
cFinishGenPassiveMobs(int a_Seed, cIniFile & a_IniFile, eDimension a_Dimension);
protected:
cNoise m_Noise;
int m_AnimalProbability; // Chance, [0..100], that an animal pack will be generated in a chunk
// cFinishGen override:
virtual void GenFinish(cChunkDesc & a_ChunkDesc) override;
// Returns false if an animal cannot spawn at given coords, else adds it to the chunk's entity list and returns true
bool TrySpawnAnimals(cChunkDesc & a_ChunkDesc, int x, int y, int z, eMonsterType AnimalToSpawn);
// Gets a random animal from biome-dependant list
eMonsterType GetRandomMob(cChunkDesc & a_ChunkDesc);
} ;

2
src/World.cpp
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@ -747,7 +747,7 @@ void cWorld::InitialiseGeneratorDefaults(cIniFile & a_IniFile)
a_IniFile.GetValueSet("Generator", "BiomeGen", "Grown");
a_IniFile.GetValueSet("Generator", "ShapeGen", "BiomalNoise3D");
a_IniFile.GetValueSet("Generator", "CompositionGen", "Biomal");
a_IniFile.GetValueSet("Generator", "Finishers", "Ravines, WormNestCaves, WaterLakes, WaterSprings, LavaLakes, LavaSprings, OreNests, Mineshafts, Trees, Villages, SprinkleFoliage, Ice, Snow, Lilypads, BottomLava, DeadBushes, PreSimulator");
a_IniFile.GetValueSet("Generator", "Finishers", "Ravines, WormNestCaves, WaterLakes, WaterSprings, LavaLakes, LavaSprings, OreNests, Mineshafts, Trees, Villages, SprinkleFoliage, Ice, Snow, Lilypads, BottomLava, DeadBushes, PreSimulator, Animals");
break;
}
case dimNether: