feat(engine): add lighting maps

1 files changed, 10 insertions, 9 deletions

diff --git a/engine/light.glsl b/engine/light.glsl
index 90539a1..3ba5ba0 100644
--- a/engine/light.glsl
+++ b/engine/light.glsl
@@ -4,9 +4,9 @@
 #define LIGHT_GLSL
 
 struct Material {
-    vec3 ambient;
-    vec3 diffuse;
-    vec3 specular;
+    sampler2D ambient;
+    sampler2D diffuse;
+    sampler2D specular;
     float shininess;
 }; 
 
@@ -21,23 +21,24 @@ struct Light {
 uniform Material material;
 uniform Light light;
 
-vec3 calc_ambient_light()
+vec3 calc_ambient_light(in vec2 texture_coords)
 {
-	return light.ambient * material.ambient;
+	return light.ambient * vec3(texture(material.ambient, texture_coords));
 }
 
-vec3 calc_diffuse_light(in vec3 light_dir, in vec3 norm)
+vec3 calc_diffuse_light(in vec3 light_dir, in vec3 norm, in vec2 texture_coords)
 {
 	float diff = max(dot(norm, light_dir), 0.0);
 
-	return light.diffuse * (diff * material.diffuse);
+	return light.diffuse * (diff * vec3(texture(material.diffuse, texture_coords)));
 }
 
 vec3 calc_specular_light(
 	in vec3 light_dir,
 	in vec3 norm,
 	in vec3 view_pos,
-	in vec3 frag_pos
+	in vec3 frag_pos,
+	in vec2 texture_coords
 )
 {
 	vec3 view_direction = normalize(view_pos - frag_pos);
@@ -47,7 +48,7 @@ vec3 calc_specular_light(
 	float spec =
 		pow(max(dot(view_direction, reflect_direction), 0.0), material.shininess);
 
-	return light.specular * (spec * material.specular);
+	return light.specular * (spec * vec3(texture(material.specular, texture_coords)));
 }
 
 #endif