remove offsets for WMO groups

src/main.c

@@ -474,14 +474,18 @@ void init() {
 
         float speed = 10.0f; // 1 unit per second
         float last_position = 0.0f;
-        float cam_speed = 10.0f; // 1 unit per sec
+        float cam_speed = 30.0f; // 1 unit per sec
-        float cam_yaw_speed = 3.5f; // 3.5 degrees per second
+        float cam_yaw_speed = 1.0f; // 3.5 degrees per second
         vec3_t cam_pos = { 0.0f, 20.0f, 150.0f }; // don't start at zero, or we will be too close
         float cam_yaw = 0.0f; // y-rotation in degrees
-        float cam_pitch = 0.0f;
+        float cam_pitch = 45.0f;
-        mat4_t T = mat4_make_translation(-cam_pos.x, -cam_pos.y, -cam_pos.z);
+
-        mat4_t R = mat4_make_rotation_y(-cam_yaw);
+        // TODO: fix issues with initial view matrix and view_matrix when camera is moved
-        mat4_t view_mat = mat4_mul_mat4(R, T);
+        //mat4_t T = mat4_make_translation(-cam_pos.x, -cam_pos.y, -cam_pos.z);
+        //mat4_t R = mat4_make_rotation_y(-cam_yaw);
+        //mat4_t view_mat = mat4_mul_mat4(R, T);
+
+
 
         /*
         // projection matrix variables
@@ -505,9 +509,33 @@ void init() {
             0.0f, 0.0f, Pz, 0.0f
           };*/
 
+        float yaw_rad = TO_RAD(cam_yaw);
+        float pitch_rad = TO_RAD(cam_pitch);
+
+        vec3_t cam_front;
+        cam_front.x = cosf(yaw_rad) * cosf(pitch_rad);
+        cam_front.y = sinf(pitch_rad);
+        cam_front.z = sinf(yaw_rad) * cosf(pitch_rad);
+
+        vec3_normalize(&cam_front);
+
+        vec3_t world_up = { 0.0f, 1.0f, 0.0f };
+
+        vec3_t cam_right = vec3_cross(cam_front, world_up);
+        vec3_normalize(&cam_right);
+
+        vec3_t cam_up = vec3_cross(cam_right, cam_front);
+        vec3_normalize(&cam_up);
+
+        mat4_t view_mat = mat4_look_at(
+            cam_pos.x, cam_pos.y, cam_pos.z,
+            cam_pos.x + cam_front.x, cam_pos.y + cam_front.y, cam_pos.z + cam_front.z,
+            cam_up.x, cam_up.y, cam_up.z
+            );
+
         float fov_radians = 67.0f * ONE_DEG_IN_RAD;
 
-        mat4_t projection = mat4_make_perspective(fov_radians, (float)width / (float)height, 0.1f, 1000.0f);
+        mat4_t projection = mat4_make_perspective(fov_radians, (float)width / (float)height, 0.1f, 5000.0f);
 
 
         //mat4_t rotation_correction = mat4_make_rotation_x(TO_RAD(-90.0f));
@@ -566,8 +594,8 @@ void init() {
                 glUniformMatrix4fv(matrix_location, 1, GL_FALSE, final_matrix.m);
             }*/
 
-            float yaw_rad = TO_RAD(cam_yaw);
+            yaw_rad = TO_RAD(cam_yaw);
-            float pitch_rad = TO_RAD(cam_pitch);
+            pitch_rad = TO_RAD(cam_pitch);
 
             vec3_t cam_front;
             cam_front.x = cosf(yaw_rad) * cosf(pitch_rad);
@@ -686,8 +714,10 @@ void init() {
             }
             if (glfwGetKey (window, GLFW_KEY_DOWN)) {
                 cam_pitch -= cam_yaw_speed * elapsed_seconds;
+                cam_moved = true;
             }
 
+
             if (cam_pitch > 89.0f) {
                 cam_pitch = 89.0f;
             }

src/renderer/mesh.c

@@ -27,14 +27,20 @@ GroupMesh create_mesh_from_group(const WMOGroupData* group, const WMORootData* r
     const C3Vector* normals = (const C3Vector*)group->monr_data_ptr;
     const C2Vector* texCoords = (const C2Vector*)group->motv_data_ptr;
 
+    // TODO: double check if we need the offset here, I believe its
     GLfloat offset_x = group->header.boundingBox.min[0];
     GLfloat offset_y = group->header.boundingBox.min[1];
     GLfloat offset_z = group->header.boundingBox.min[2];
 
     for (size_t i = 0; i < num_vertices; i++) {
-        float wx = positions[i].x + offset_x;
+        //float wx = positions[i].x + offset_x;
-        float wy = positions[i].y + offset_y;
+        //float wy = positions[i].y + offset_y;
-        float wz = positions[i].z + offset_z;
+        //float wz = positions[i].z + offset_z;
+
+        float wx = positions[i].x;
+        float wy = positions[i].y;
+        float wz = positions[i].z;
+
 
         vertices[i].position.x = wx;
         vertices[i].position.y = wy;