public void AddBlock(Vector3Int pos, Vector3Int renderOffset, BlockData block, IWorldRAccessor accessor)
{
Quaternion rotation = accessor.GetBlockRotation(pos.x, pos.y, pos.z, Quaternion.identity);
BlockMesh mesh = accessor.World.BlockDataTable.GetMesh(block.Mesh.Value);
for (int i = 0; i < mesh.Faces.Length; i++)
{
BlockMesh.FaceData face = mesh.Faces[i];
BlockFace faceDir = RotateFace(face.Face, rotation);
if (EnableFaceClipping)
{
// 没有撑满一格的方块所有的面都渲染
Vector3 size = mesh.BoundingBox.Size;
bool neverClip = face.NeverClip | size.x < 1 | size.y < 1 | size.z < 1;
if (!neverClip && ClipFace(pos, block, faceDir, accessor))
{
continue;
}
}
int?[] texIndices = block.Textures[i];
// !!! must add indices first
for (int j = 0; j < face.Indices.Length; j++)
{
AddIndex(face.Indices[j], block.Material.Value);
}
for (int j = 0; j < face.Vertices.Length; j++)
{
BlockVertexData vertex = face.Vertices[j];
vertex.Position = MathUtility.RotatePoint(vertex.Position, rotation, mesh.Pivot);
float emission = block.GetEmissionValue();
Vector2 ambient = LightingUtility.AmbientOcclusion(pos, faceDir, vertex.CornerInFace, accessor, !EnableAmbientOcclusion);
Vector3 posWS = WriteBlockWSPosToVertexData ? (pos + accessor.WorldSpaceOrigin) : Vector3.down;
AddVertex(new BlockMeshVertexData
{
PositionOS = vertex.Position + pos + renderOffset,
UV = vertex.UV,
TexIndices = new Vector3Int(texIndices[0].Value, texIndices[1].Value, texIndices[2].Value),
Lights = new Vector3(emission, ambient.x, ambient.y),
BlockPositionWS = posWS
});
}
}
}
