blocktype.py

import models.cube


class BlockType:
    def __init__(self, texture_manager, name="unknown", block_face_textures={"all": "cobblestone"}, model=models.cube):
        self.name = name

        self.transparent = model.transparent
        self.is_cube = model.is_cube

        self.vertex_positions = model.vertex_positions
        self.tex_coords = model.tex_coords.copy()
        self.shading_values = model.shading_values

        def set_block_face(face, texture):
            if face > len(self.tex_coords) - 1:
                return

            self.tex_coords[face] = self.tex_coords[face].copy()

            for vertex in range(4):
                self.tex_coords[face][vertex * 3 + 2] = texture

        for face in block_face_textures:
            texture = block_face_textures[face]
            texture_manager.add_texture(texture)

            texture_index = texture_manager.textures.index(texture)

            if face == "all":
                set_block_face(0, texture_index)
                set_block_face(1, texture_index)
                set_block_face(2, texture_index)
                set_block_face(3, texture_index)
                set_block_face(4, texture_index)
                set_block_face(5, texture_index)

            elif face == "sides":
                set_block_face(0, texture_index)
                set_block_face(1, texture_index)
                set_block_face(4, texture_index)
                set_block_face(5, texture_index)

            else:
                set_block_face(["right", "left", "top", "bottom",
                               "front", "back"].index(face), texture_index)