Rename vertex and fragment shaders to generic GLSL extension

eldstar_server/resources/shaders/mesh_vs.glsl

@@ -0,0 +1,40 @@
+#version 330 core
+layout (location = 0) in vec3 aPos;
+layout (location = 1) in vec3 aNormal;
+layout (location = 2) in vec4 aColor;
+
+out vec3 fPos;
+out vec3 fNormal;
+out vec4 fColor;
+
+uniform mat4 camera;
+uniform mat4 model;
+uniform vec4 globalColor;
+uniform int colorMode;
+
+
+void main()
+{
+    vec3 normal_head = vec3(model * vec4(aNormal, 1.0));
+    vec3 normal_tail = vec3(model * vec4(0.0, 0.0, 0.0, 1.0));
+    vec3 normal = normal_head - normal_tail;
+    vec4 pos = model * vec4(aPos, 1.0);
+
+    fPos = vec3(pos);
+    fNormal = normal;
+
+    vec4 outColor = aColor * globalColor;
+
+    if (colorMode == 0)
+        fColor = outColor;
+    else if (colorMode == 1 || colorMode == 2) {
+        if (normal.y > 0.01)
+            fColor = vec4(0.25, 0.25, 1.0, outColor.w);
+        else if (normal.y < -0.01)
+            fColor = vec4(1.0, 0.25, 0.25, outColor.w);
+        else
+            fColor = vec4(0.25, 1.0, 0.25, outColor.w);
+    }
+
+    gl_Position = camera * pos;
+}

eldstar_server/src/resources.hpp

@@ -16,12 +16,12 @@ class resource_manager {
             opensans(&freetype, loaders::file("resources/fonts/OpenSans.ttf"), 20),
 
             text({
-                loaders::shader(GL_VERTEX_SHADER, loaders::file("resources/shaders/text.vs")),
-                loaders::shader(GL_FRAGMENT_SHADER, loaders::file("resources/shaders/text.fs"))
+                loaders::shader(GL_VERTEX_SHADER, loaders::file("resources/shaders/text_vs.glsl")),
+                loaders::shader(GL_FRAGMENT_SHADER, loaders::file("resources/shaders/text_fs.glsl"))
             }),
             mesh({
-                loaders::shader(GL_VERTEX_SHADER, loaders::file("resources/shaders/mesh.vs")),
-                loaders::shader(GL_FRAGMENT_SHADER, loaders::file("resources/shaders/mesh.fs"))
+                loaders::shader(GL_VERTEX_SHADER, loaders::file("resources/shaders/mesh_vs.glsl")),
+                loaders::shader(GL_FRAGMENT_SHADER, loaders::file("resources/shaders/mesh_fs.glsl"))
             }),
 
             camera(loaders::file("resources/models/camera.stl")),