struct VertexOutput {
	@builtin(position) position: vec4<f32>,
	@location(0) uv: vec2<f32>,
}

struct FragmentOutput {
	@location(0) color: vec4<f32>,
}

struct Camera {
	view_proj: mat4x4<f32>,
	position: vec3<f32>,
}

@group(0) @binding(0) var<uniform> camera: Camera;
struct Lighting {
	direction: vec3<f32>,
	color: vec3<f32>,
	intensity: f32,
}

@group(0) @binding(1) var<uniform> lighting: Lighting;
@group(1) @binding(0) var diffuse_tex_tex: texture_2d<f32>;
@group(1) @binding(1) var diffuse_tex_samp: sampler;
@group(1) @binding(2) var normal_tex_tex: texture_2d<f32>;
@group(1) @binding(3) var normal_tex_samp: sampler;

@fragment
fn fs_main(input: VertexOutput) -> FragmentOutput {
	var __luma_output: FragmentOutput;
	let diffuse = textureSample(diffuse_tex_tex, diffuse_tex_samp, input.uv);
	let normal_sample = textureSample(normal_tex_tex, normal_tex_samp, input.uv);
	let n = normalize(((normal_sample.xyz * 2.0) - vec3<f32>(1.0, 1.0, 1.0)));
	let l = normalize(lighting.direction);
	let ndotl = max(dot(n, l), 0.0);
	let lit = (((diffuse.rgb * lighting.color) * ndotl) * lighting.intensity);
	__luma_output.color = vec4<f32>(lit, diffuse.a);
	return __luma_output;
}