Extremely simple chunk-limited lighting

2 files changed, 8 insertions, 2 deletions

diff --git a/assets/shaders/fragment.glsl b/assets/shaders/fragment.glsl
index 7532036..c7ecf97 100644
--- a/assets/shaders/fragment.glsl
+++ b/assets/shaders/fragment.glsl
@@ -7,6 +7,7 @@ uniform vec3 sky_color;
 
 in vec3 surface_normal;
 in vec2 frag_tex_coord;
+in float frag_light;
 in float frag_ambient_occlusion;
 in float depth;
 
@@ -20,9 +21,11 @@ void main() {
     if (texture_color.a < 0.5) {
         discard;
     }
+
     float ao = 1 - frag_ambient_occlusion / 2;
+    float light = frag_light;
 
-    vec3 opaque_color = diffuse * texture_color.xyz * ao;
+    vec3 opaque_color = diffuse * texture_color.xyz * ao * light;
     opaque_color = mix(sky_color, opaque_color, 1 - depth);
 
     color = vec4(opaque_color, mesh_alpha);
diff --git a/assets/shaders/vertex.glsl b/assets/shaders/vertex.glsl
index 1e56809..6902ad4 100644
--- a/assets/shaders/vertex.glsl
+++ b/assets/shaders/vertex.glsl
@@ -7,9 +7,11 @@ uniform mat4 projection_matrix;
 layout (location = 0) in vec3 position;
 layout (location = 1) in vec3 normal;
 layout (location = 2) in vec2 tex_coord;
-layout (location = 3) in float ambient_occlusion;
+layout (location = 3) in float light;
+layout (location = 4) in float ambient_occlusion;
 
 out vec2 frag_tex_coord;
+out float frag_light;
 out float frag_ambient_occlusion;
 out vec3 surface_normal;
 out float depth;
@@ -21,6 +23,7 @@ void main() {
 
     gl_Position = clip_position;
     frag_tex_coord = tex_coord;
+    frag_light = light;
     frag_ambient_occlusion = ambient_occlusion;
     surface_normal = (model_matrix * vec4(normal, 0.0)).xyz;
     depth = clamp((length(view_position) - 75) / 125, 0.0, 1.0);