protected virtual void RenderBlock(Block block, float x, float y, float scale)
{
var model = JsonModelLoader.GetModelForBlock(block.UnlocalizedName);
if (model == null)
{
return;
}
ModelBlockRaw mbr = (ModelBlockRaw)model.RawModel;
List <float> uvs = new List <float>(8);
mbr.AppendUvsForSide(FaceSides.South, uvs);
Vector2 UVmin = new Vector2(uvs[0], uvs[1]);
Vector2 UVmax = new Vector2(uvs[4], uvs[5]);
Vector2 unit = new Vector2(1f / SharpCraft.Instance.ClientSize.Width, 1f / SharpCraft.Instance.ClientSize.Height);
float width = 16;
float height = 16;
float scaledWidth = 16 * scale;
float scaledHeight = 16 * scale;
float posX = x + scaledWidth / 2;
float posY = -y - scaledHeight / 2;
Vector2 pos = new Vector2(posX, posY).Ceiling() * unit;
Matrix4 mat = MatrixHelper.CreateTransformationMatrix(pos * 2 - Vector2.UnitX + Vector2.UnitY, scale * new Vector2(width, height) * unit);
_item.Bind();
Shader.Bind();
Shader.UpdateGlobalUniforms();
Shader.UpdateModelUniforms();
Shader.UpdateInstanceUniforms(mat, UVmin, UVmax);
GL.BindTexture(TextureTarget.Texture2D, JsonModelLoader.TEXTURE_BLOCKS);
_item.RawModel.Render(PrimitiveType.Quads);
_item.Unbind();
}
public void BuildChunkModelNow()
{
if (ModelBuilding || !QueuedForModelBuild)
{
return;
}
ModelBuilding = true;
//ConcurrentDictionary<Shader<ModelBlock>, List<RawQuad>> modelRaw = new ConcurrentDictionary<Shader<ModelBlock>, List<RawQuad>>();
//List<RawQuad> quads;
Stopwatch sw = Stopwatch.StartNew(); //this is just a debug thing....
var air = BlockRegistry.GetBlock <BlockAir>();
var vertexes = new List <float>();
var normals = new List <float>();
var uvs = new List <float>();
object locker = new object();
//generate the model - fill MODEL_RAW
Enumerable.Range(0, ChunkHeight).AsParallel().ForAll(y =>
{
for (int x = 0; x < ChunkSize; x++)
{
for (int z = 0; z < ChunkSize; z++)
{
BlockPos worldPos = new BlockPos(x + Pos.WorldSpaceX(), y, z + Pos.WorldSpaceZ());
BlockState state = World.GetBlockState(worldPos);
if (state.Block == air)
{
continue;
}
BlockPos localPos = new BlockPos(x, y, z);
ModelBlockRaw mbr = (ModelBlockRaw)state.Model?.RawModel;
if (mbr == null)
{
continue;
}
if (!state.Block.IsFullCube)
{
lock (locker)
mbr.AppendAllVertexData(vertexes, normals, uvs, localPos);
continue;
}
for (var index = 0; index < FaceSides.AllSides.Count; index++)
{
FaceSides dir = FaceSides.AllSides[index];
BlockPos worldPosO = worldPos.Offset(dir);
BlockState stateO = World.GetBlockState(worldPosO);
if (!(stateO.Block == air ||
stateO.Block.HasTransparency && !state.Block.HasTransparency) &&
stateO.Block.IsFullCube)
{
continue;
}
lock (locker)
{
mbr.AppendVertexDataForSide(dir, vertexes, normals, uvs, localPos);
//mbr.AppendNormalsForSide(dir, normals);
//mbr.AppendUvsForSide(dir, uvs);
}
}
}
}
});
sw.Stop();
Console.WriteLine($"DEBUG: built chunk model [{sw.Elapsed.TotalMilliseconds:F}ms]");
float[] vtx = vertexes.ToArray(); //this is here because this takes time and I don't want it to slow down the main thread by running it in GlContext
float[] nrm = normals.ToArray();
float[] uv = uvs.ToArray();
SharpCraft.Instance.RunGlContext(() =>
{
if (_model == null)
{
_model = new ModelChunk(vtx, nrm, uv, Block.DefaultShader);
}
else
{
_model.OverrideData(vtx, nrm, uv);
}
ModelBuilding = false;
});
QueuedForModelBuild = false;
}
