Improve code in mapblock_mesh.cpp a bit

diff --git a/src/client/mapblock_mesh.cpp b/src/client/mapblock_mesh.cpp
index 965dd5e2954af2f9adf0162dde57240a20ef9d8e..3be9e13b89558b0beb51ce3e760855e554b74e32 100644 (file)
--- a/src/client/mapblock_mesh.cpp
+++ b/src/client/mapblock_mesh.cpp
@@ -1349,30 +1349,22 @@ MapBlockMesh::MapBlockMesh(MeshMakeData *data, v3s16 camera_offset):
 
                        scene::SMeshBuffer *buf = new scene::SMeshBuffer();
                        buf->Material = material;
-                       switch (p.layer.material_type) {
-                       // list of transparent materials taken from tile.h
-                       case TILE_MATERIAL_ALPHA:
-                       case TILE_MATERIAL_LIQUID_TRANSPARENT:
-                       case TILE_MATERIAL_WAVING_LIQUID_TRANSPARENT:
-                               {
-                                       buf->append(&p.vertices[0], p.vertices.size(),
-                                               &p.indices[0], 0);
-
-                                       MeshTriangle t;
-                                       t.buffer = buf;
-                                       for (u32 i = 0; i < p.indices.size(); i += 3) {
-                                               t.p1 = p.indices[i];
-                                               t.p2 = p.indices[i + 1];
-                                               t.p3 = p.indices[i + 2];
-                                               t.updateAttributes();
-                                               m_transparent_triangles.push_back(t);
-                                       }
+                       if (p.layer.isTransparent()) {
+                               buf->append(&p.vertices[0], p.vertices.size(), nullptr, 0);
+
+                               MeshTriangle t;
+                               t.buffer = buf;
+                               m_transparent_triangles.reserve(p.indices.size() / 3);
+                               for (u32 i = 0; i < p.indices.size(); i += 3) {
+                                       t.p1 = p.indices[i];
+                                       t.p2 = p.indices[i + 1];
+                                       t.p3 = p.indices[i + 2];
+                                       t.updateAttributes();
+                                       m_transparent_triangles.push_back(t);
                                }
-                               break;
-                       default:
+                       } else {
                                buf->append(&p.vertices[0], p.vertices.size(),
                                        &p.indices[0], p.indices.size());
-                               break;
                        }
                        mesh->addMeshBuffer(buf);
                        buf->drop();