Refactor mesh handling to use templated vertex structures for improved type safety and flexibility

res/shaders/entity.glslv

@@ -3,7 +3,7 @@
 layout (location = 0) in vec3 v_position;
 layout (location = 1) in vec2 v_texCoord;
 layout (location = 2) in vec3 v_color;
-layout (location = 3) in float v_light;
+layout (location = 3) in vec4 v_light;
 
 out vec4 a_color;
 out vec2 a_texCoord;
@@ -31,7 +31,7 @@ void main() {
     vec3 pos3d = modelpos.xyz - u_cameraPos;
     modelpos.xyz = apply_planet_curvature(modelpos.xyz, pos3d);
 
-    vec4 decomp_light = decompress_light(v_light);
+    vec4 decomp_light = v_light;
     vec3 light = decomp_light.rgb;
     float torchlight = max(0.0, 1.0-distance(u_cameraPos, modelpos.xyz) / 
                        u_torchlightDistance);

res/shaders/lib/commons.glsl

@@ -1,28 +1,17 @@
 #ifndef COMMONS_GLSL_
 #define COMMONS_GLSL_
-
 #include <constants>
 
-vec4 decompress_light(float compressed_light) {
-    vec4 result;
-    int compressed = floatBitsToInt(compressed_light);
-    result.r = ((compressed >> 24) & 0xFF) / 255.f;
-    result.g = ((compressed >> 16) & 0xFF) / 255.f;
-    result.b = ((compressed >> 8) & 0xFF) / 255.f;
-    result.a = (compressed & 0xFF) / 255.f;
-    return result;
-}
-
 vec3 pick_sky_color(samplerCube cubemap) {
     vec3 skyLightColor = texture(cubemap, vec3(0.4f, 0.0f, 0.4f)).rgb;
     skyLightColor *= SKY_LIGHT_TINT;
-    skyLightColor = min(vec3(1.0), skyLightColor*SKY_LIGHT_MUL);
+    skyLightColor = min(vec3(1.0f), skyLightColor * SKY_LIGHT_MUL);
     skyLightColor = max(MIN_SKY_LIGHT, skyLightColor);
     return skyLightColor;
 }
 
 vec3 apply_planet_curvature(vec3 modelPos, vec3 pos3d) {
-    modelPos.y -= pow(length(pos3d.xz)*CURVATURE_FACTOR, 3.0);
+    modelPos.y -= pow(length(pos3d.xz) * CURVATURE_FACTOR, 3.0f);
     return modelPos;
 }
 

res/shaders/main.glslv

@@ -2,7 +2,7 @@
 
 layout (location = 0) in vec3 v_position;
 layout (location = 1) in vec2 v_texCoord;
-layout (location = 2) in float v_light;
+layout (location = 2) in vec4 v_light;
 
 out vec4 a_color;
 out vec2 a_texCoord;
@@ -27,13 +27,13 @@ uniform vec3 u_torchlightColor;
 uniform float u_torchlightDistance;
 
 void main() {
-    vec4 modelpos = u_model * vec4(v_position, 1.0);
+    vec4 modelpos = u_model * vec4(v_position, 1.0f);
     vec3 pos3d = modelpos.xyz-u_cameraPos;
     modelpos.xyz = apply_planet_curvature(modelpos.xyz, pos3d);
 
-    vec4 decomp_light = decompress_light(v_light);
+    vec4 decomp_light = v_light;
     vec3 light = decomp_light.rgb;
-    float torchlight = max(0.0, 1.0-distance(u_cameraPos, modelpos.xyz) / 
+    float torchlight = max(0.0, 1.0-distance(u_cameraPos, modelpos.xyz) /
                        u_torchlightDistance);
     light += torchlight * u_torchlightColor;
     a_color = vec4(pow(light, vec3(u_gamma)),1.0f);