public int GetTerrainHeight(Vector3 position)
{
WorldModelHelper.GetLocalXyzFromWorldPosition(position, out int x, out int y, out int z);
var coords = WorldModelHelper.GetChunkCoordsFromWorldPosition(position);
return(_heights[coords][x * GeometryConsts.CHUNK_SIZE + z]);
}
public bool CheckVoxelOnGlobalXyz(float x, float y, float z)
{
var coords = WorldModelHelper.GetChunkCoordsFromWorldXy(x, z);
var chunkMap = GetMapByChunkCoords(coords);
WorldModelHelper.GetLocalXyzFromWorldPosition(x, y, z, out int xOut, out int yOut, out int zOut);
return(chunkMap[ArrayHelper.To1DMap(xOut, yOut, zOut)] != BlockTypeByte.AIR);
}
/// <summary>
/// Returns voxel on world coordinates - decides if we need to generate the voxel or we can retrieve that from existing chunk
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="z"></param>
/// <returns></returns>
public byte GetVoxel(int x, int y, int z)
{
// ======== STATIC RULES ========
if (y < 0 || y >= GeometryConsts.CHUNK_HEIGHT)
{
return(BlockTypeByte.AIR);
}
if (y == 0)
{
return(BlockTypeByte.GREY_STONE);
}
// ======== RETURN CACHED VOXELS OR PLAYER MODIFIED VOXELS ========
var coords = WorldModelHelper.GetChunkCoordsFromWorldXy(x, z);
var map = GetMapByChunkCoords(coords);
var index = ArrayHelper.To1DMap(x - coords.x * GeometryConsts.CHUNK_SIZE, y, z - coords.y * GeometryConsts.CHUNK_SIZE);
return(map[index]);
}
public void EditVoxel(Vector3 position, byte voxelType)
{
WorldModelHelper.GetLocalXyzFromWorldPosition(position, out int x, out int y, out int z);
var coords = WorldModelHelper.GetChunkCoordsFromWorldPosition(position);
var id = ArrayHelper.To1DMap(x, y, z);
var map = _chunkMaps[coords];
map[id] = voxelType;
//update voxel in chunk map
_chunkMaps[coords] = map;
//update voxel in user player modifications map
//so that data can persist when we clean distant chunks from memory and can be used to save / load game
if (!_playerModifiedMaps.ContainsKey(coords))
{
_playerModifiedMaps[coords] = new byte[GeometryConsts.CHUNK_SIZE, GeometryConsts.CHUNK_HEIGHT, GeometryConsts.CHUNK_SIZE];
}
_playerModifiedMaps[coords][x, y, z] = voxelType;
//TODO: chunks update should not be called directly from model!
//Also get chunks list in less ugly way than this hardcoded shiat
var updateCoords = new List <int2>();
updateCoords.Add(coords);
if (x <= 0)
{
updateCoords.Add(coords + ChunkCoord.Left);
}
else if (x >= GeometryConsts.CHUNK_SIZE - 1)
{
updateCoords.Add(coords + ChunkCoord.Right);
}
if (z <= 0)
{
updateCoords.Add(coords + ChunkCoord.Back);
if (x <= 0)
{
updateCoords.Add(coords + ChunkCoord.LeftBack);
}
else if (x >= GeometryConsts.CHUNK_SIZE - 1)
{
updateCoords.Add(coords + ChunkCoord.RightBack);
}
}
else if (z >= GeometryConsts.CHUNK_SIZE - 1)
{
updateCoords.Add(coords + ChunkCoord.Front);
if (x <= 0)
{
updateCoords.Add(coords + ChunkCoord.LeftFront);
}
else if (x >= GeometryConsts.CHUNK_SIZE - 1)
{
updateCoords.Add(coords + ChunkCoord.RightFront);
}
}
WorldRenderer.RenderChunks(updateCoords, updateCoords);
}
