diff options
Diffstat (limited to 'engine/src/renderer/opengl.rs')
| -rw-r--r-- | engine/src/renderer/opengl.rs | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/engine/src/renderer/opengl.rs b/engine/src/renderer/opengl.rs index deb26a8..e7a630b 100644 --- a/engine/src/renderer/opengl.rs +++ b/engine/src/renderer/opengl.rs @@ -203,15 +203,12 @@ fn render( &camera_pos, ); - for texture in &material.textures { + for (index, texture) in material.textures.iter().enumerate() { let gl_texture = gl_textures .entry(texture.id()) .or_insert_with(|| create_gl_texture(texture)); - let texture_unit = - TextureUnit::from_texture_id(texture.id()).unwrap_or_else(|| { - panic!("Texture id {} is a invalid texture unit", texture.id()); - }); + let texture_unit = TextureUnit::from_num(index).expect("Too many textures"); set_active_texture_unit(texture_unit); @@ -562,22 +559,29 @@ fn apply_light<PointLightHolder>( gl_shader_program .set_uniform_vec_3fv(c"material.specular", &material.specular.clone().into()); + let texture_map = material + .textures + .iter() + .enumerate() + .map(|(index, texture)| (texture.id(), index)) + .collect::<HashMap<_, _>>(); + #[allow(clippy::cast_possible_wrap)] gl_shader_program.set_uniform_1i( c"material.ambient_map", - material.ambient_map.into_inner() as i32, + *texture_map.get(&material.ambient_map).unwrap() as i32, ); #[allow(clippy::cast_possible_wrap)] gl_shader_program.set_uniform_1i( c"material.diffuse_map", - material.diffuse_map.into_inner() as i32, + *texture_map.get(&material.diffuse_map).unwrap() as i32, ); #[allow(clippy::cast_possible_wrap)] gl_shader_program.set_uniform_1i( c"material.specular_map", - material.specular_map.into_inner() as i32, + *texture_map.get(&material.specular_map).unwrap() as i32, ); gl_shader_program.set_uniform_1fv(c"material.shininess", material.shininess); |