Merge branch 'dev'

JujuAdams · Jul 31, 2022 · aed14d9 · aed14d9
2 parents 4f52baa + 598cbdd
commit aed14d9
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diff --git a/README.md b/README.md
@@ -1,4 +1,4 @@
-<h1 align="center">dotobj 5.3.2</h1>
+<h1 align="center">dotobj 5.4.0</h1>
 
 <p align="center">.obj/.mtl loader, written in native GML, for GameMaker Studio 2.3 by <b>@jujuadams</b></p>
 

diff --git a/datafiles/cube/cube.mtl b/datafiles/cube/cube.mtl
@@ -0,0 +1,62 @@
+# Blender MTL File: 'None'
+# Material Count: 6
+
+newmtl Material.001
+Ns 225.000000
+Ka 1.000000 1.000000 1.000000
+Kd 0.009420 0.800000 0.409103
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.450000
+d 1.000000
+illum 2
+
+newmtl Material.002
+Ns 225.000000
+Ka 1.000000 1.000000 1.000000
+Kd 0.214308 0.257536 0.800000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.450000
+d 1.000000
+illum 2
+
+newmtl Material.003
+Ns 225.000000
+Ka 1.000000 1.000000 1.000000
+Kd 0.800000 0.142288 0.090150
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.450000
+d 1.000000
+illum 2
+
+newmtl Material.004
+Ns 225.000000
+Ka 1.000000 1.000000 1.000000
+Kd 0.173395 0.800000 0.035974
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.450000
+d 1.000000
+illum 2
+
+newmtl Material.005
+Ns 225.000000
+Ka 1.000000 1.000000 1.000000
+Kd 0.788905 0.058295 0.800000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.450000
+d 1.000000
+illum 2
+
+newmtl Material.006
+Ns 225.000000
+Ka 1.000000 1.000000 1.000000
+Kd 0.800000 0.707811 0.001922
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.450000
+d 1.000000
+illum 2
diff --git a/datafiles/cube/cube.obj b/datafiles/cube/cube.obj
@@ -0,0 +1,59 @@
+# Blender v2.93.1 OBJ File: ''
+# www.blender.org
+mtllib cube.mtl
+o Cube_Cube.001
+v -1.000000 -1.000000 1.000000
+v -1.000000 1.000000 1.000000
+v -1.000000 -1.000000 -1.000000
+v -1.000000 1.000000 -1.000000
+v 1.000000 -1.000000 1.000000
+v 1.000000 1.000000 1.000000
+v 1.000000 -1.000000 -1.000000
+v 1.000000 1.000000 -1.000000
+vt 0.000000 1.000000
+vt 1.000000 0.000000
+vt 1.000000 1.000000
+vt 0.000000 0.000000
+vt 1.000000 0.000000
+vt 0.000000 0.000000
+vt 0.000000 0.000000
+vt 0.000000 1.000000
+vt 1.000000 1.000000
+vt 0.000000 0.000000
+vt 1.000000 0.000000
+vt 0.000000 1.000000
+vt 1.000000 0.000000
+vt 1.000000 1.000000
+vt 1.000000 1.000000
+vt 0.000000 1.000000
+vn 0.0000 1.0000 0.0000
+vn 0.0000 0.0000 -1.0000
+vn 1.0000 0.0000 0.0000
+vn 0.0000 0.0000 1.0000
+vn -1.0000 0.0000 0.0000
+vn 0.0000 -1.0000 0.0000
+g Cube_Cube.001_Material.001
+usemtl Material.001
+s off
+f 4/1/1 6/2/1 8/3/1
+f 4/1/1 2/4/1 6/2/1
+g Cube_Cube.001_Material.002
+usemtl Material.002
+f 4/1/2 7/5/2 3/6/2
+f 4/1/2 8/3/2 7/5/2
+g Cube_Cube.001_Material.003
+usemtl Material.003
+f 8/3/3 5/7/3 7/5/3
+f 8/3/3 6/8/3 5/7/3
+g Cube_Cube.001_Material.004
+usemtl Material.004
+f 6/9/4 1/10/4 5/11/4
+f 6/9/4 2/12/4 1/10/4
+g Cube_Cube.001_Material.005
+usemtl Material.005
+f 2/12/5 3/13/5 1/10/5
+f 2/12/5 4/14/5 3/13/5
+g Cube_Cube.001_Material.006
+usemtl Material.006
+f 7/15/6 1/10/6 3/16/6
+f 7/15/6 5/11/6 1/10/6
diff --git a/datafiles/sponza.mtl → datafiles/sponza/sponza.mtl b/datafiles/sponza.mtl → datafiles/sponza/sponza.mtl
diff --git a/datafiles/sponza.obj → datafiles/sponza/sponza.obj b/datafiles/sponza.obj → datafiles/sponza/sponza.obj
diff --git a/datafiles/textures/background.png → datafiles/sponza/textures/background.png b/datafiles/textures/background.png → datafiles/sponza/textures/background.png
diff --git a/datafiles/textures/background_ddn.png → datafiles/sponza/textures/background_ddn.png b/datafiles/textures/background_ddn.png → datafiles/sponza/textures/background_ddn.png
diff --git a/datafiles/textures/chain_texture.png → datafiles/sponza/textures/chain_texture.png b/datafiles/textures/chain_texture.png → datafiles/sponza/textures/chain_texture.png
diff --git a/datafiles/textures/chain_texture_ddn.png → ...les/sponza/textures/chain_texture_ddn.png b/datafiles/textures/chain_texture_ddn.png → ...les/sponza/textures/chain_texture_ddn.png
diff --git a/datafiles/textures/chain_texture_mask.png → ...es/sponza/textures/chain_texture_mask.png b/datafiles/textures/chain_texture_mask.png → ...es/sponza/textures/chain_texture_mask.png
diff --git a/datafiles/textures/lion.png → datafiles/sponza/textures/lion.png b/datafiles/textures/lion.png → datafiles/sponza/textures/lion.png
diff --git a/datafiles/textures/lion2_ddn.png → datafiles/sponza/textures/lion2_ddn.png b/datafiles/textures/lion2_ddn.png → datafiles/sponza/textures/lion2_ddn.png
diff --git a/datafiles/textures/lion_ddn.png → datafiles/sponza/textures/lion_ddn.png b/datafiles/textures/lion_ddn.png → datafiles/sponza/textures/lion_ddn.png
diff --git a/datafiles/textures/spnza_bricks_a_ddn.png → ...es/sponza/textures/spnza_bricks_a_ddn.png b/datafiles/textures/spnza_bricks_a_ddn.png → ...es/sponza/textures/spnza_bricks_a_ddn.png
diff --git a/datafiles/textures/spnza_bricks_a_diff.png → ...s/sponza/textures/spnza_bricks_a_diff.png b/datafiles/textures/spnza_bricks_a_diff.png → ...s/sponza/textures/spnza_bricks_a_diff.png
diff --git a/datafiles/textures/spnza_bricks_a_spec.png → ...s/sponza/textures/spnza_bricks_a_spec.png b/datafiles/textures/spnza_bricks_a_spec.png → ...s/sponza/textures/spnza_bricks_a_spec.png
diff --git a/datafiles/textures/sponza_arch_ddn.png → ...files/sponza/textures/sponza_arch_ddn.png b/datafiles/textures/sponza_arch_ddn.png → ...files/sponza/textures/sponza_arch_ddn.png
diff --git a/datafiles/textures/sponza_arch_diff.png → ...iles/sponza/textures/sponza_arch_diff.png b/datafiles/textures/sponza_arch_diff.png → ...iles/sponza/textures/sponza_arch_diff.png
diff --git a/datafiles/textures/sponza_arch_spec.png → ...iles/sponza/textures/sponza_arch_spec.png b/datafiles/textures/sponza_arch_spec.png → ...iles/sponza/textures/sponza_arch_spec.png
diff --git a/datafiles/textures/sponza_ceiling_a_diff.png → ...sponza/textures/sponza_ceiling_a_diff.png b/datafiles/textures/sponza_ceiling_a_diff.png → ...sponza/textures/sponza_ceiling_a_diff.png
diff --git a/datafiles/textures/sponza_ceiling_a_spec.png → ...sponza/textures/sponza_ceiling_a_spec.png b/datafiles/textures/sponza_ceiling_a_spec.png → ...sponza/textures/sponza_ceiling_a_spec.png
diff --git a/datafiles/textures/sponza_column_a_ddn.png → ...s/sponza/textures/sponza_column_a_ddn.png b/datafiles/textures/sponza_column_a_ddn.png → ...s/sponza/textures/sponza_column_a_ddn.png
diff --git a/datafiles/textures/sponza_column_a_diff.png → .../sponza/textures/sponza_column_a_diff.png b/datafiles/textures/sponza_column_a_diff.png → .../sponza/textures/sponza_column_a_diff.png
diff --git a/datafiles/textures/sponza_column_a_spec.png → .../sponza/textures/sponza_column_a_spec.png b/datafiles/textures/sponza_column_a_spec.png → .../sponza/textures/sponza_column_a_spec.png
diff --git a/datafiles/textures/sponza_column_b_ddn.png → ...s/sponza/textures/sponza_column_b_ddn.png b/datafiles/textures/sponza_column_b_ddn.png → ...s/sponza/textures/sponza_column_b_ddn.png
diff --git a/datafiles/textures/sponza_column_b_diff.png → .../sponza/textures/sponza_column_b_diff.png b/datafiles/textures/sponza_column_b_diff.png → .../sponza/textures/sponza_column_b_diff.png
diff --git a/datafiles/textures/sponza_column_b_spec.png → .../sponza/textures/sponza_column_b_spec.png b/datafiles/textures/sponza_column_b_spec.png → .../sponza/textures/sponza_column_b_spec.png
diff --git a/datafiles/textures/sponza_column_c_ddn.png → ...s/sponza/textures/sponza_column_c_ddn.png b/datafiles/textures/sponza_column_c_ddn.png → ...s/sponza/textures/sponza_column_c_ddn.png
diff --git a/datafiles/textures/sponza_column_c_diff.png → .../sponza/textures/sponza_column_c_diff.png b/datafiles/textures/sponza_column_c_diff.png → .../sponza/textures/sponza_column_c_diff.png
diff --git a/datafiles/textures/sponza_column_c_spec.png → .../sponza/textures/sponza_column_c_spec.png b/datafiles/textures/sponza_column_c_spec.png → .../sponza/textures/sponza_column_c_spec.png
diff --git a/...les/textures/sponza_curtain_blue_diff.png → ...nza/textures/sponza_curtain_blue_diff.png b/...les/textures/sponza_curtain_blue_diff.png → ...nza/textures/sponza_curtain_blue_diff.png
diff --git a/datafiles/textures/sponza_curtain_diff.png → ...s/sponza/textures/sponza_curtain_diff.png b/datafiles/textures/sponza_curtain_diff.png → ...s/sponza/textures/sponza_curtain_diff.png
diff --git a/...es/textures/sponza_curtain_green_diff.png → ...za/textures/sponza_curtain_green_diff.png b/...es/textures/sponza_curtain_green_diff.png → ...za/textures/sponza_curtain_green_diff.png
diff --git a/datafiles/textures/sponza_details_diff.png → ...s/sponza/textures/sponza_details_diff.png b/datafiles/textures/sponza_details_diff.png → ...s/sponza/textures/sponza_details_diff.png
diff --git a/datafiles/textures/sponza_details_spec.png → ...s/sponza/textures/sponza_details_spec.png b/datafiles/textures/sponza_details_spec.png → ...s/sponza/textures/sponza_details_spec.png
diff --git a/...iles/textures/sponza_fabric_blue_diff.png → ...onza/textures/sponza_fabric_blue_diff.png b/...iles/textures/sponza_fabric_blue_diff.png → ...onza/textures/sponza_fabric_blue_diff.png
diff --git a/datafiles/textures/sponza_fabric_diff.png → ...es/sponza/textures/sponza_fabric_diff.png b/datafiles/textures/sponza_fabric_diff.png → ...es/sponza/textures/sponza_fabric_diff.png
diff --git a/...les/textures/sponza_fabric_green_diff.png → ...nza/textures/sponza_fabric_green_diff.png b/...les/textures/sponza_fabric_green_diff.png → ...nza/textures/sponza_fabric_green_diff.png
diff --git a/datafiles/textures/sponza_fabric_spec.png → ...es/sponza/textures/sponza_fabric_spec.png b/datafiles/textures/sponza_fabric_spec.png → ...es/sponza/textures/sponza_fabric_spec.png
diff --git a/datafiles/textures/sponza_flagpole_diff.png → .../sponza/textures/sponza_flagpole_diff.png b/datafiles/textures/sponza_flagpole_diff.png → .../sponza/textures/sponza_flagpole_diff.png
diff --git a/datafiles/textures/sponza_flagpole_spec.png → .../sponza/textures/sponza_flagpole_spec.png b/datafiles/textures/sponza_flagpole_spec.png → .../sponza/textures/sponza_flagpole_spec.png
diff --git a/datafiles/textures/sponza_floor_a_diff.png → ...s/sponza/textures/sponza_floor_a_diff.png b/datafiles/textures/sponza_floor_a_diff.png → ...s/sponza/textures/sponza_floor_a_diff.png
diff --git a/datafiles/textures/sponza_floor_a_spec.png → ...s/sponza/textures/sponza_floor_a_spec.png b/datafiles/textures/sponza_floor_a_spec.png → ...s/sponza/textures/sponza_floor_a_spec.png
diff --git a/datafiles/textures/sponza_roof_diff.png → ...iles/sponza/textures/sponza_roof_diff.png b/datafiles/textures/sponza_roof_diff.png → ...iles/sponza/textures/sponza_roof_diff.png
diff --git a/datafiles/textures/sponza_thorn_ddn.png → ...iles/sponza/textures/sponza_thorn_ddn.png b/datafiles/textures/sponza_thorn_ddn.png → ...iles/sponza/textures/sponza_thorn_ddn.png
diff --git a/datafiles/textures/sponza_thorn_diff.png → ...les/sponza/textures/sponza_thorn_diff.png b/datafiles/textures/sponza_thorn_diff.png → ...les/sponza/textures/sponza_thorn_diff.png
diff --git a/datafiles/textures/sponza_thorn_mask.png → ...les/sponza/textures/sponza_thorn_mask.png b/datafiles/textures/sponza_thorn_mask.png → ...les/sponza/textures/sponza_thorn_mask.png
diff --git a/datafiles/textures/sponza_thorn_spec.png → ...les/sponza/textures/sponza_thorn_spec.png b/datafiles/textures/sponza_thorn_spec.png → ...les/sponza/textures/sponza_thorn_spec.png
diff --git a/datafiles/textures/vase_ddn.png → datafiles/sponza/textures/vase_ddn.png b/datafiles/textures/vase_ddn.png → datafiles/sponza/textures/vase_ddn.png
diff --git a/datafiles/textures/vase_dif.png → datafiles/sponza/textures/vase_dif.png b/datafiles/textures/vase_dif.png → datafiles/sponza/textures/vase_dif.png
diff --git a/datafiles/textures/vase_hanging.png → datafiles/sponza/textures/vase_hanging.png b/datafiles/textures/vase_hanging.png → datafiles/sponza/textures/vase_hanging.png
diff --git a/datafiles/textures/vase_plant.png → datafiles/sponza/textures/vase_plant.png b/datafiles/textures/vase_plant.png → datafiles/sponza/textures/vase_plant.png
diff --git a/datafiles/textures/vase_plant_mask.png → ...files/sponza/textures/vase_plant_mask.png b/datafiles/textures/vase_plant_mask.png → ...files/sponza/textures/vase_plant_mask.png
diff --git a/datafiles/textures/vase_plant_spec.png → ...files/sponza/textures/vase_plant_spec.png b/datafiles/textures/vase_plant_spec.png → ...files/sponza/textures/vase_plant_spec.png
diff --git a/datafiles/textures/vase_round.png → datafiles/sponza/textures/vase_round.png b/datafiles/textures/vase_round.png → datafiles/sponza/textures/vase_round.png
diff --git a/datafiles/textures/vase_round_ddn.png → datafiles/sponza/textures/vase_round_ddn.png b/datafiles/textures/vase_round_ddn.png → datafiles/sponza/textures/vase_round_ddn.png
diff --git a/datafiles/textures/vase_round_spec.png → ...files/sponza/textures/vase_round_spec.png b/datafiles/textures/vase_round_spec.png → ...files/sponza/textures/vase_round_spec.png
diff --git a/dotobj.yyp b/dotobj.yyp
diff --git a/objects/objCubeTest/Create_0.gml b/objects/objCubeTest/Create_0.gml
@@ -0,0 +1,19 @@
+model = DotobjModelLoadFile("cube\\cube.obj");
+
+//Mouse lock variables (press F3 to lock the mouse and use mouselook)
+mouse_lock = false;
+mouse_lock_timer = 0;
+
+//Some variables to track the camera
+cam_x     = 0;
+cam_y     = 120;
+cam_z     = 0;
+cam_yaw   = -60;
+cam_pitch = 0;
+cam_dx    = -dcos(cam_pitch)*dsin(cam_yaw);
+cam_dy    = -dsin(cam_pitch);
+cam_dz    =  dcos(cam_pitch)*dcos(cam_yaw);
+
+//Smoothed fps_real variable
+fps_smoothed = 60;
+show_info = true;
diff --git a/objects/objCubeTest/Draw_0.gml b/objects/objCubeTest/Draw_0.gml
@@ -0,0 +1,40 @@
+//Turn on z-writing and z-testing so we're ready for 3D rendering
+gpu_set_ztestenable(true);
+gpu_set_zwriteenable(true);
+
+//Counterclockwise faces are backfaces. We want to cull these so we're drawing less
+gpu_set_cullmode(cull_counterclockwise);
+
+//Texture repeating is required to render a lot of .obj files
+//For now, all textures are externally imported sprites so they can handle texture
+//repeats just fine, though for atlased textures this method may not work
+gpu_set_tex_repeat(true);
+
+//Turn on anisotropic filtering because why not, we're showing off
+gpu_set_tex_mip_enable(mip_on);
+gpu_set_tex_mip_filter(tf_anisotropic);
+gpu_set_tex_max_aniso(16);
+
+//Set our view + projection matrices
+var _old_world      = matrix_get(matrix_world); 
+var _old_view       = matrix_get(matrix_view); 
+var _old_projection = matrix_get(matrix_projection);
+
+matrix_set(matrix_view, matrix_build_lookat(cam_x, cam_y, cam_z,
+                                            cam_x+cam_dx, cam_y+cam_dy, cam_z+cam_dz,
+                                            0, 1, 0));
+matrix_set(matrix_projection, matrix_build_projection_perspective_fov(90, room_width/room_height, 1, 3000));
+
+//Finally, draw the model
+matrix_set(matrix_world, matrix_build(0,0,0, 0,0,0, 100, 100, 100));
+model.Submit();
+
+//Reset draw state
+matrix_set(matrix_world     , _old_world     );
+matrix_set(matrix_view      , _old_view      );
+matrix_set(matrix_projection, _old_projection);
+gpu_set_ztestenable(false);
+gpu_set_zwriteenable(false);
+gpu_set_cullmode(cull_noculling);
+gpu_set_tex_repeat(false);
+gpu_set_tex_mip_enable(mip_off);
diff --git a/objects/objCubeTest/Draw_64.gml b/objects/objCubeTest/Draw_64.gml
@@ -0,0 +1,27 @@
+if (show_info)
+{
+    //Display credits
+    var _string  = "dotobj " + __DOTOBJ_VERSION + "\n";
+        _string += "@jujuadams " + __DOTOBJ_DATE + "\n";
+        _string += "\n";
+        _string += "Cube by wynaut\n"
+        _string += "\n";
+        _string += "FPS = " + string(fps) + " (" + string(fps_smoothed) + ")\n";
+        _string += "\n";
+        _string += "WASD/shift/space to move\n";
+        _string += "F1 to toggle this panel\n";
+        _string += "F3 to toggle mouselook\n";
+        _string += "F4 to toggle fullscreen";
+
+    draw_set_colour(c_black);
+    draw_set_alpha(0.5);
+    draw_rectangle(10, 10, 20+string_width(_string), 20+string_height(_string), false);
+    draw_text(15, 16, _string);
+    draw_set_alpha(1.0);
+    draw_text(14, 15, _string);
+    draw_text(16, 15, _string);
+    draw_text(15, 14, _string);
+    draw_text(15, 16, _string);
+    draw_set_colour(c_white);
+    draw_text(15, 15, _string);
+}
diff --git a/objects/objCubeTest/Step_0.gml b/objects/objCubeTest/Step_0.gml
@@ -0,0 +1,57 @@
+//Toggle the info panel if we press F1
+if (keyboard_check_released(vk_f1)) show_info = !show_info;
+
+//Lock the mouse if we press F3
+if (keyboard_check_released(vk_f3))
+{
+    mouse_lock = !mouse_lock;
+    mouse_lock_timer = 0;
+
+    //Hide the mouse if we're locked
+    window_set_cursor(mouse_lock? cr_none : cr_default);
+}
+
+//Toggle the fullscreen if we press f4
+if (keyboard_check_released(vk_f4)) window_set_fullscreen(!window_get_fullscreen());
+
+//If we've got the mouse locked...
+if (mouse_lock)
+{
+    //Figure out where the centre of the window is
+    var _centre_x = window_get_width()/2;
+    var _centre_y = window_get_height()/2;
+
+    //Increment a timer. Once that timer reaches 5, start pitching/panning the camera
+    //There's a little bit of lag between pressing F3 and the mouse actually
+    //centring in the window - this timer stops the camera freaking out!
+    ++mouse_lock_timer;
+    if (mouse_lock_timer > 4)
+    {
+
+        var _delta_x = window_mouse_get_x() - _centre_x;
+        var _delta_y = window_mouse_get_y() - _centre_y;
+        cam_yaw   += -0.1*_delta_x;
+        cam_pitch +=  0.1*_delta_y;
+
+        cam_pitch = clamp(cam_pitch + 0.1*_delta_y, -89, 89); //Make sure we can't gimbal lock the camera
+    }
+
+    //Now move the mouse
+    window_mouse_set(_centre_x, _centre_y);
+}
+
+//Figure out where the camera is looking
+var _cos_pitch = dcos(cam_pitch);
+cam_dx = -_cos_pitch*dsin(cam_yaw);
+cam_dy =            -dsin(cam_pitch);
+cam_dz =  _cos_pitch*dcos(cam_yaw);
+
+//Move parallel/perpendicular to the camera
+var _para = keyboard_check(ord("W")) - keyboard_check(ord("S"));
+var _perp = keyboard_check(ord("A")) - keyboard_check(ord("D"));
+cam_x += 5*(cam_dx*_para - cam_dz*_perp);
+cam_y += 5*(keyboard_check(vk_space) - keyboard_check(vk_shift));
+cam_z += 5*(cam_dz*_para + cam_dx*_perp);
+
+//Slightly weird use of lerp() but it works
+fps_smoothed = lerp(fps_smoothed, fps_real, 0.1);
diff --git a/objects/objCubeTest/objCubeTest.yy b/objects/objCubeTest/objCubeTest.yy
diff --git a/objects/objCubeTest/obj_test.yy b/objects/objCubeTest/obj_test.yy
diff --git a/objects/objSponzaCachedTest/Create_0.gml b/objects/objSponzaCachedTest/Create_0.gml
@@ -5,7 +5,7 @@ if (!code_is_compiled() && !debug_mode) show_error("It is strongly recommended y
 //The script returns a dotobj model (in reality, a struct) that we can draw in the Draw event
 //If the model references a material (.mtl) file then that will be loaded as well
 DotobjSetFlipTexcoordV(true);
-model_sponza = DotobjTryCache("sponza.obj");
+model_sponza = DotobjTryCache("sponza\\sponza.obj");
 model_sponza.Freeze(); //Wise to freeze your models as well
 
 //Output the materials that this model uses

diff --git a/objects/objSponzaTest/Create_0.gml b/objects/objSponzaTest/Create_0.gml
@@ -6,7 +6,7 @@ if (!code_is_compiled() && !debug_mode) show_error("It is strongly recommended y
 //If the model references a material (.mtl) file then that will be loaded as well
 DotobjSetFlipTexcoordV(true);
 
-model_sponza = DotobjModelLoadFile("sponza.obj");
+model_sponza = DotobjModelLoadFile("sponza\\sponza.obj");
 model_sponza.Freeze(); //Wise to freeze your models as well
 
 //Output the materials that this model uses

diff --git a/options/main/options_main.yy b/options/main/options_main.yy