private void OnChunkColumnGen(IServerChunk[] chunks, int chunkX, int chunkZ)
{
if (!TerraGenConfig.GenerateStructures)
{
return;
}
IMapRegion region = chunks[0].MapChunk.MapRegion;
IntMap forestMap = region.ForestMap;
IntMap climateMap = region.ClimateMap;
int rlX = chunkX % regionChunkSize;
int rlZ = chunkZ % regionChunkSize;
// A region has 16 chunks
// Size of the forest map is RegionSize / TerraGenConfig.forestMapScale => 32*16 / 32 = 16 pixel
// rlX, rlZ goes from 0..16 pixel
// facF = 16/16 = 1
// Get 4 pixels for chunkx, chunkz, chunkx+1 and chunkz+1 inside the map
float facF = (float)forestMap.InnerSize / regionChunkSize;
forestUpLeft = forestMap.GetUnpaddedInt((int)(rlX * facF), (int)(rlZ * facF));
forestUpRight = forestMap.GetUnpaddedInt((int)(rlX * facF + facF), (int)(rlZ * facF));
forestBotLeft = forestMap.GetUnpaddedInt((int)(rlX * facF), (int)(rlZ * facF + facF));
forestBotRight = forestMap.GetUnpaddedInt((int)(rlX * facF + facF), (int)(rlZ * facF + facF));
float facC = (float)climateMap.InnerSize / regionChunkSize;
climateUpLeft = climateMap.GetUnpaddedInt((int)(rlX * facC), (int)(rlZ * facC));
climateUpRight = climateMap.GetUnpaddedInt((int)(rlX * facC + facC), (int)(rlZ * facC));
climateBotLeft = climateMap.GetUnpaddedInt((int)(rlX * facC), (int)(rlZ * facC + facC));
climateBotRight = climateMap.GetUnpaddedInt((int)(rlX * facC + facC), (int)(rlZ * facC + facC));
heightmap = chunks[0].MapChunk.WorldGenTerrainHeightMap;
BlockPos pos = new BlockPos();
for (int i = 0; i < scfg.Structures.Length; i++)
{
WorldGenStructure struc = scfg.Structures[i];
float chance = struc.Chance * scfg.ChanceMultiplier;
while (chance-- > rnd.NextDouble())
{
int dx = rnd.Next(chunksize);
int dz = rnd.Next(chunksize);
int ySurface = heightmap[dz * chunksize + dx];
if (ySurface <= 0 || ySurface >= worldheight - 15)
{
continue;
}
if (struc.Placement == EnumStructurePlacement.Underground)
{
if (struc.Depth != null)
{
pos.Set(chunkX * chunksize + dx, ySurface - (int)struc.Depth.nextFloat(), chunkZ * chunksize + dz);
}
else
{
pos.Set(chunkX * chunksize + dx, 8 + rnd.Next(ySurface - 8 - 5), chunkZ * chunksize + dz);
}
}
else
{
pos.Set(chunkX * chunksize + dx, ySurface, chunkZ * chunksize + dz);
}
struc.TryGenerate(worldgenBlockAccessor, api.World, pos, climateUpLeft, climateUpRight, climateBotLeft, climateBotRight);
}
}
}
private void DoGenStructures(IMapRegion region, int chunkX, int chunkZ, bool postPass, ITreeAttribute chunkGenParams = null)
{
BlockPos pos = new BlockPos();
ITreeAttribute chanceModTree = null;
ITreeAttribute maxQuantityModTree = null;
if (chunkGenParams?["structureChanceModifier"] != null)
{
chanceModTree = chunkGenParams["structureChanceModifier"] as TreeAttribute;
}
if (chunkGenParams?["structureMaxCount"] != null)
{
maxQuantityModTree = chunkGenParams["structureMaxCount"] as TreeAttribute;
}
strucRand.InitPositionSeed(chunkX, chunkZ);
scfg.Structures.Shuffle(strucRand);
for (int i = 0; i < scfg.Structures.Length; i++)
{
WorldGenStructure struc = scfg.Structures[i];
if (struc.PostPass != postPass)
{
continue;
}
float chance = struc.Chance * scfg.ChanceMultiplier;
int toGenerate = 9999;
if (chanceModTree != null)
{
chance *= chanceModTree.GetFloat(struc.Code, 0);
}
if (maxQuantityModTree != null)
{
toGenerate = maxQuantityModTree.GetInt(struc.Code, 9999);
}
while (chance-- > strucRand.NextDouble() && toGenerate > 0)
{
int dx = strucRand.NextInt(chunksize);
int dz = strucRand.NextInt(chunksize);
int ySurface = heightmap[dz * chunksize + dx];
if (ySurface <= 0 || ySurface >= worldheight - 15)
{
continue;
}
if (struc.Placement == EnumStructurePlacement.Underground)
{
if (struc.Depth != null)
{
pos.Set(chunkX * chunksize + dx, ySurface - (int)struc.Depth.nextFloat(1, strucRand), chunkZ * chunksize + dz);
}
else
{
pos.Set(chunkX * chunksize + dx, 8 + strucRand.NextInt(ySurface - 8 - 5), chunkZ * chunksize + dz);
}
}
else
{
pos.Set(chunkX * chunksize + dx, ySurface, chunkZ * chunksize + dz);
}
if (struc.TryGenerate(worldgenBlockAccessor, api.World, pos, climateUpLeft, climateUpRight, climateBotLeft, climateBotRight))
{
Cuboidi loc = struc.LastPlacedSchematicLocation;
string code = struc.Code + (struc.LastPlacedSchematic == null ? "" : "/" + struc.LastPlacedSchematic.FromFileName);
region.GeneratedStructures.Add(new GeneratedStructure()
{
Code = code, Group = struc.Group, Location = loc.Clone()
});
region.DirtyForSaving = true;
if (struc.BuildProtected)
{
api.World.Claims.Add(new LandClaim()
{
Areas = new List <Cuboidi>()
{
loc.Clone()
},
Description = struc.BuildProtectionDesc,
ProtectionLevel = 10,
LastKnownOwnerName = struc.BuildProtectionName,
AllowUse = true
});
}
toGenerate--;
}
}
}
}
