private static int GetUpperGroundHeight(MCD_WorldData aWorldData, int blockWorldX, int blockWorldZ,
float lowerGroundHeight)
{
float octave1 = Mathf.PerlinNoise(blockWorldX * 0.001f, blockWorldZ * 0.001f) * 0.5f;
float octave2 = Mathf.PerlinNoise((blockWorldX + 100) * 0.002f, blockWorldZ * 0.002f) * 0.25f;
float octave3 = Mathf.PerlinNoise((blockWorldX + 100) * 0.01f, blockWorldZ * 0.01f) * 0.25f;
float octaveSum = octave1 + octave2 + octave3;
return((int)(octaveSum * 4 + (int)(lowerGroundHeight)));
}
void Start()
{
Vector3Int terrainSize = new Vector3Int(myTerrainWidth, myTerrainHeight + myTerrainDepth, myTerrainLength);
myWorldData = new MCD_WorldData(terrainSize, myChunkSize, myVoxelSize);
myWorld = new MCS_World(myWorldData);
terrainGeneration = new MCG_TerrainGeneration();
decorationGeneration = new MCG_DecorationGeneration(myWorldData);
myWorld.InitChunkGrid();
myWorldData.GenerateUVCoordinatesForAllBlocks();
CreateChunksObject();
GenerateChunkMesh();
}
public void GenerateChunk(MCD_WorldData aWorldData, MCS_Chunk chunk)
{
for (int x = 0; x < aWorldData.MyChunkSizeX; x++)
{
int blocX = chunk.WorldPos.x + x;
for (int z = 0; z < aWorldData.MyChunkSizeZ; z++)
{
int blocZ = chunk.WorldPos.z + z;
float lowerGroundHeight = GetLowerGroundHeight(chunk, blocX, blocZ, x, z, aWorldData.MyTerrainDepth);
int upperGround = GetUpperGroundHeight(aWorldData, blocX, blocZ, lowerGroundHeight);
bool sunlit = true;
for (int y = aWorldData.MyChunkSizeY - 1; y >= 0; y--)
{
BlockType blockType;
if (y > upperGround)
{
blockType = BlockType.Air;
}
else if (y >= lowerGroundHeight)
{
if (sunlit)
{
blockType = BlockType.TopSoil;
// Remember, this adds the block global coordinates
chunk.TopSoilBlocks.Add(new Vector3Int(blocX, y, blocZ));
sunlit = false;
}
else
{
blockType = BlockType.Dirt;
}
}
else
{
blockType = BlockType.Stone;
}
Vector3Int pos = new Vector3Int(x, y, z);
aWorldData.GetBlock(pos + chunk.WorldPos).SetType(blockType);
}
}
}
}
public MCS_Chunk(MCD_WorldData aWorldData, Vector3Int aChunkPos)
{
myChunkPos = aChunkPos;
myWorldData = aWorldData;
myWorldPos = new Vector3Int(myChunkPos.x * myWorldData.MyChunkSizeX, myChunkPos.y * myWorldData.MyChunkSizeY, myChunkPos.z * myWorldData.MyChunkSizeZ);
}
public MCS_ChunkMesh(MCD_WorldData aWorldData)
{
myWorldData = aWorldData;
}
public MCG_DecorationGeneration(MCD_WorldData aWorldData)
{
myWorldData = aWorldData;
}
public MCS_World(MCD_WorldData aWorldData)
{
myWorldData = aWorldData;
}
