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Add tree generation for ExtemeHills and other biomes (#4713)

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This commit is contained in:
mBornand
2020-05-06 17:31:52 +02:00
committed by GitHub
parent bdb8830b9c
commit b9f441294d
3 changed files with 132 additions and 98 deletions
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172
src/Generating/StructGen.cpp
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@@ -50,14 +50,33 @@ void cStructGenTrees::GenFinish(cChunkDesc & a_ChunkDesc)
Dest = &a_ChunkDesc;
}
int NumTrees = GetNumTrees(BaseX, BaseZ, Dest->GetBiomeMap());
double NumTrees = GetNumTrees(BaseX, BaseZ, Dest->GetBiomeMap());
sSetBlockVector OutsideLogs, OutsideOther;
for (int i = 0; i < NumTrees; i++)
if (NumTrees < 1)
{
GenerateSingleTree(BaseX, BaseZ, i, *Dest, OutsideLogs, OutsideOther);
}
Vector3i Pos;
Pos.x = (m_Noise.IntNoise3DInt(BaseX + BaseZ, BaseZ, 0) / 19) % cChunkDef::Width;
Pos.z = (m_Noise.IntNoise3DInt(BaseX - BaseZ, 0, BaseZ) / 19) % cChunkDef::Width;
Pos.y = Dest->GetHeight(Pos.x, Pos.z);
if (std::abs(m_Noise.IntNoise3D(BaseX * cChunkDef::Width + Pos.x, Pos.y, BaseZ * cChunkDef::Width + Pos.z)) <= NumTrees)
{
GenerateSingleTree(BaseX, BaseZ, 0, Pos, *Dest, OutsideLogs, OutsideOther);
}
}
else
{
for (int i = 0; i < NumTrees; i++)
{
Vector3i Pos;
Pos.x = (m_Noise.IntNoise3DInt(BaseX + BaseZ, BaseZ, i) / 19) % cChunkDef::Width;
Pos.z = (m_Noise.IntNoise3DInt(BaseX - BaseZ, i, BaseZ) / 19) % cChunkDef::Width;
Pos.y = Dest->GetHeight(Pos.x, Pos.z);
GenerateSingleTree(BaseX, BaseZ, i, Pos, *Dest, OutsideLogs, OutsideOther);
}
}
sSetBlockVector IgnoredOverflow;
IgnoredOverflow.reserve(OutsideOther.size());
ApplyTreeImage(ChunkX, ChunkZ, a_ChunkDesc, OutsideOther, IgnoredOverflow);
@@ -76,23 +95,19 @@ void cStructGenTrees::GenFinish(cChunkDesc & a_ChunkDesc)
void cStructGenTrees::GenerateSingleTree(
int a_ChunkX, int a_ChunkZ, int a_Seq,
Vector3i a_Pos,
cChunkDesc & a_ChunkDesc,
sSetBlockVector & a_OutsideLogs,
sSetBlockVector & a_OutsideOther
)
{
int x = (m_Noise.IntNoise3DInt(a_ChunkX + a_ChunkZ, a_ChunkZ, a_Seq) / 19) % cChunkDef::Width;
int z = (m_Noise.IntNoise3DInt(a_ChunkX - a_ChunkZ, a_Seq, a_ChunkZ) / 19) % cChunkDef::Width;
int Height = a_ChunkDesc.GetHeight(x, z);
if ((Height <= 0) || (Height >= 230))
if ((a_Pos.y <= 0) || (a_Pos.y >= 230))
{
return;
}
// Check the block underneath the tree:
BLOCKTYPE TopBlock = a_ChunkDesc.GetBlockType(x, Height, z);
BLOCKTYPE TopBlock = a_ChunkDesc.GetBlockType(a_Pos.x, a_Pos.y, a_Pos.z);
if ((TopBlock != E_BLOCK_DIRT) && (TopBlock != E_BLOCK_GRASS) && (TopBlock != E_BLOCK_FARMLAND))
{
return;
@@ -100,9 +115,9 @@ void cStructGenTrees::GenerateSingleTree(
sSetBlockVector TreeLogs, TreeOther;
GetTreeImageByBiome(
{ a_ChunkX * cChunkDef::Width + x, Height + 1, a_ChunkZ * cChunkDef::Width + z },
{ a_ChunkX * cChunkDef::Width + a_Pos.x, a_Pos.y + 1, a_ChunkZ * cChunkDef::Width + a_Pos.z },
m_Noise, a_Seq,
a_ChunkDesc.GetBiome(x, z),
a_ChunkDesc.GetBiome(a_Pos.x, a_Pos.z),
TreeLogs, TreeOther
);
@@ -195,7 +210,7 @@ void cStructGenTrees::ApplyTreeImage(
int cStructGenTrees::GetNumTrees(
double cStructGenTrees::GetNumTrees(
int a_ChunkX, int a_ChunkZ,
const cChunkDef::BiomeMap & a_Biomes
)
@@ -204,68 +219,68 @@ int cStructGenTrees::GetNumTrees(
{
switch (a_Biome)
{
case biOcean: return 2;
case biPlains: return 1;
case biDesert: return 0;
case biExtremeHills: return 3;
case biForest: return 30;
case biTaiga: return 30;
case biSwampland: return 8;
case biRiver: return 0;
case biNether: return 0;
case biEnd: return 0;
case biFrozenOcean: return 0;
case biFrozenRiver: return 0;
case biIcePlains: return 1;
case biIceMountains: return 1;
case biMushroomIsland: return 3;
case biMushroomShore: return 3;
case biBeach: return 0;
case biDesertHills: return 0;
case biForestHills: return 20;
case biTaigaHills: return 20;
case biExtremeHillsEdge: return 5;
case biJungle: return 120;
case biJungleHills: return 90;
case biJungleEdge: return 90;
case biDeepOcean: return 0;
case biStoneBeach: return 0;
case biColdBeach: return 0;
case biBirchForest: return 30;
case biBirchForestHills: return 20;
case biRoofedForest: return 50;
case biColdTaiga: return 20;
case biColdTaigaHills: return 15;
case biMegaTaiga: return 30;
case biMegaTaigaHills: return 25;
case biExtremeHillsPlus: return 3;
case biSavanna: return 8;
case biSavannaPlateau: return 12;
case biMesa: return 2;
case biMesaPlateauF: return 8;
case biMesaPlateau: return 8;
case biOcean: return 2.0;
case biPlains: return 0.03125;
case biDesert: return 0.0;
case biExtremeHills: return 3.0;
case biForest: return 30.0;
case biTaiga: return 30.0;
case biSwampland: return 8.0;
case biRiver: return 0.0;
case biNether: return 0.0;
case biEnd: return 0.0;
case biFrozenOcean: return 0.0;
case biFrozenRiver: return 0.0;
case biIcePlains: return 0.03125;
case biIceMountains: return 0.125;
case biMushroomIsland: return 3.0;
case biMushroomShore: return 3.0;
case biBeach: return 0.0;
case biDesertHills: return 0.0;
case biForestHills: return 20.0;
case biTaigaHills: return 20.0;
case biExtremeHillsEdge: return 5.0;
case biJungle: return 120.0;
case biJungleHills: return 90.0;
case biJungleEdge: return 90.0;
case biDeepOcean: return 0.0;
case biStoneBeach: return 0.0;
case biColdBeach: return 0.0;
case biBirchForest: return 30.0;
case biBirchForestHills: return 20.0;
case biRoofedForest: return 50.0;
case biColdTaiga: return 20.0;
case biColdTaigaHills: return 15.0;
case biMegaTaiga: return 30.0;
case biMegaTaigaHills: return 25.0;
case biExtremeHillsPlus: return 3.0;
case biSavanna: return 8.0;
case biSavannaPlateau: return 12.0;
case biMesa: return 2.0;
case biMesaPlateauF: return 8.0;
case biMesaPlateau: return 8.0;
// Biome variants
case biSunflowerPlains: return 1;
case biDesertM: return 0;
case biExtremeHillsM: return 4;
case biFlowerForest: return 30;
case biTaigaM: return 30;
case biSwamplandM: return 8;
case biIcePlainsSpikes: return 1;
case biJungleM: return 120;
case biJungleEdgeM: return 90;
case biBirchForestM: return 30;
case biBirchForestHillsM: return 20;
case biRoofedForestM: return 40;
case biColdTaigaM: return 30;
case biMegaSpruceTaiga: return 30;
case biMegaSpruceTaigaHills: return 30;
case biExtremeHillsPlusM: return 4;
case biSavannaM: return 8;
case biSavannaPlateauM: return 12;
case biMesaBryce: return 4;
case biMesaPlateauFM: return 12;
case biMesaPlateauM: return 12;
case biSunflowerPlains: return 0.03125;
case biDesertM: return 0.0;
case biExtremeHillsM: return 4.0;
case biFlowerForest: return 2.0;
case biTaigaM: return 30.0;
case biSwamplandM: return 8.0;
case biIcePlainsSpikes: return 0.0078125;
case biJungleM: return 120.0;
case biJungleEdgeM: return 90.0;
case biBirchForestM: return 30.0;
case biBirchForestHillsM: return 20.0;
case biRoofedForestM: return 40.0;
case biColdTaigaM: return 30.0;
case biMegaSpruceTaiga: return 30.0;
case biMegaSpruceTaigaHills: return 30.0;
case biExtremeHillsPlusM: return 4.0;
case biSavannaM: return 8.0;
case biSavannaPlateauM: return 12.0;
case biMesaBryce: return 4.0;
case biMesaPlateauFM: return 12.0;
case biMesaPlateauM: return 12.0;
// Non-biomes
case biInvalidBiome:
case biNumBiomes:
@@ -273,18 +288,19 @@ int cStructGenTrees::GetNumTrees(
case biNumVariantBiomes:
{
ASSERT(!"Invalid biome in cStructGenTrees::GetNumTrees");
return 0;
return 0.0;
}
}
UNREACHABLE("Unsupported biome");
};
int NumTrees = 0;
double NumTrees = 0.0;
for (auto Biome : a_Biomes)
{
NumTrees += BiomeTrees(Biome);
}
return NumTrees / 1024;
return NumTrees / (cChunkDef::Width * cChunkDef::Width * 4);
}