Generation functions use struct pointers now :)

src/main.c

@@ -67,7 +67,7 @@ int main()
     glBindVertexArray(vertexArrayID);
 
 
-    GLuint programID = loadShaders( "src/SimpleVertexShader.vertexshader", "src/SimpleFragmentShader.fragmentshader" );
+    GLuint programID = loadShaders( "src/shader.vert", "src/shader.frag" );
 
     GLuint matrixID = glGetUniformLocation(programID, "MVP");
 
@@ -78,7 +78,7 @@ int main()
     vec3s up = {0.0f, 1.0f, 0.0f};
     
     vec3s planetPos = {0.0f, 0.0f, 0.0f};
-    worldMesh mesh = generateWorld(planetPos);
+    worldMesh* mesh = generateWorld(planetPos);
     setVertexBufferData(mesh.vertices, mesh.triangles, mesh.triangleArrayCount);
 
     GLuint vertexbuffer;

src/worldgen.c

@@ -9,17 +9,18 @@
 #define TWICE_RSQRT5 0.8944271909999159f
 #define GOLDEN 1.618033988749895f
 
-worldMesh generateWorld(vec3s position)
+worldMesh* generateWorld(vec3s position)
 {
     // placeholder struct for world mesh
-    world
+    worldMesh* mesh = (worldMesh*) malloc(sizeof(worldMesh));
+
     return mesh;
 }
 
-void populateIcosphere(unsigned char order, GLfloat radius)
+void populateIcosphere(worldMesh* mesh, unsigned char order, GLfloat radius)
 {
     int T = powf(4, order);
-    mesh.vertexArrayCount = (10*T + 2) * 3; // Final heap array size for vertices
+    mesh->vertexArrayCount = (10*T + 2) * 3; // Final heap array size for vertices
 
     // Initial vertex array. Not used other than to initialize heap array in mesh
     GLfloat vertices[] = {
@@ -36,15 +37,15 @@ void populateIcosphere(unsigned char order, GLfloat radius)
         9, 8, 1, 4, 9, 5, 2, 4, 11, 6, 2, 10, 8, 6, 7
     };
 
-    mesh.triangleArrayCount = 20*T*3;
-    normalizeVertices(vertices, mesh.vertexArrayCount, radius);
+    mesh->triangleArrayCount = 20*T*3;
+    normalizeVertices(vertices, mesh->vertexArrayCount, radius);
 
     // Move vetex and triangle data into mesh struct
-    mesh.vertices = (GLfloat*) malloc(sizeof(GLfloat) * mesh.vertexArrayCount);
-    memcpy(mesh.vertices, vertices, sizeof(GLfloat) * mesh.vertexArrayCount);
+    mesh->vertices = (GLfloat*) malloc(sizeof(GLfloat) * mesh->vertexArrayCount);
+    memcpy(mesh->vertices, vertices, sizeof(GLfloat) * mesh->vertexArrayCount);
 
-    mesh.triangles = (unsigned int*) malloc(sizeof(unsigned int) * mesh.triangleArrayCount);
-    memcpy(mesh.triangles, triangles, sizeof(unsigned int) * 60);
+    mesh->triangles = (unsigned int*) malloc(sizeof(unsigned int) * mesh->triangleArrayCount);
+    memcpy(mesh->triangles, triangles, sizeof(unsigned int) * 60);
 }
 
 void normalizeVertices(GLfloat* vertices, unsigned int vertexArrayCount, GLfloat radius)

src/worldgen.h

@@ -16,6 +16,6 @@ typedef struct worldMesh
  * @param[in] pos       the position of the center of the roughly spherical world
  * @return          the world mesh as a heap-allocated list of vertices.
  */
-worldMesh generateWorld(vec3s pos);
-worldMesh populateIcosphere(unsigned char order, GLfoat radius);
-
+worldMesh* generateWorld(vec3s pos);
+void populateIcosphere(worldMesh* mesh, unsigned char order, GLfoat radius);
+void normalizeVertices(GLfloat* vertices, unsigned int vertexArrayCount, GLfloat radius);