// Shader to take a surface texture using UV1 and a lightmap texture
// using UV2 and a normal map and smash em together.

shader_type spatial;
render_mode blend_mix, depth_draw_opaque, cull_back, diffuse_burley, specular_schlick_ggx;

uniform sampler2D texture_albedo : source_color, filter_linear_mipmap, repeat_enable;
uniform sampler2D texture_normal : hint_roughness_normal, filter_linear_mipmap, repeat_enable;
uniform sampler2D texture_lightmap : source_color, filter_linear_mipmap, repeat_enable;

void fragment() {
	vec4 albedo_tex = texture(texture_albedo, UV);
	vec4 lightmap_tex = texture(texture_lightmap, UV2);
	ALBEDO = albedo_tex.rgb * lightmap_tex.rgb;

	NORMAL_MAP = texture(texture_normal, UV).rgb;
	NORMAL_MAP_DEPTH = 1.0;
}