Fix dragon UV's to allow it to run without crashing

src/global.h

@@ -44,8 +44,8 @@ namespace Global {
   extern VkImageView depthImageView;
   extern VkImage depthImage;
   extern VkDeviceMemory depthImageMemory;
-  const std::string MODEL_PATH = "assets/models/viking_room.obj";
-  const std::string TEXTURE_PATH = "assets/textures/viking_room.png";
+  const std::string MODEL_PATH = "assets/models/StanfordDragon800k.obj";
+  const std::string TEXTURE_PATH = "assets/textures/checkermap.png";
 
 
 
@@ -95,7 +95,7 @@ namespace Global {
   };
 
   const uint32_t WIDTH = 800;
-  const uint32_t HEIGHT = 800;
+  const uint32_t HEIGHT = 600;
   extern std::vector<Vertex> vertices;
   // Index buffer definition, showing which points to reuse.
   extern std::vector<uint32_t> indices;

src/graphics/buffers.cpp

@@ -203,7 +203,7 @@ namespace buffers_libs {
     ubo.model = glm::rotate(glm::mat4(1.0f), time * glm::radians(30.0f), glm::vec3(0.0f, 0.0f, 1.0f));
     // Modify the view transformation to look at the object from above at a 45 degree angle.
     // This takes the eye position, center position, and the up direction.
-    ubo.view = glm::lookAt(glm::vec3(2.0f, 2.0f, 2.0f), glm::vec3(0.0f, 0.0f, 0.0f), glm::vec3(0.0f, 0.0f, 1.0f));
+    ubo.view = glm::lookAt(glm::vec3(2.0f, 2.0f, 3.0f), glm::vec3(0.0f, 0.0f, 0.0f), glm::vec3(0.0f, 0.0f, 1.0f));
     // 45 degree field of view, set aspect ratio, and near and far clipping range.
     ubo.proj = glm::perspective(glm::radians(45.0f), device_libs::DeviceControl::getSwapChainExtent().width / (float) device_libs::DeviceControl::getSwapChainExtent().height, 0.1f, 10.0f);
     

src/graphics/graphicspipeline.cpp

@@ -94,7 +94,7 @@ namespace graphics_pipeline {
     rasterizer.polygonMode = VK_POLYGON_MODE_FILL;
     rasterizer.lineWidth = 1.0f;
       // How to cull the faces, right here we cull the back faces and tell the rasterizer front facing vertices are ordered clockwise.
-    rasterizer.cullMode = VK_CULL_MODE_BACK_BIT;
+    rasterizer.cullMode = VK_CULL_MODE_NONE;
     rasterizer.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE;
     // Whether or not to add depth values. e.x. for shadow maps.
     rasterizer.depthBiasEnable = VK_FALSE;

src/graphics/model.cpp

@@ -30,7 +30,7 @@ namespace modellib {
     
     auto& attrib = reader.GetAttrib();
     auto& shapes = reader.GetShapes();
-    //auto& materials = reader.GetMaterials();
+    auto& materials = reader.GetMaterials();
 
     for (const auto& shape : shapes) {
       for (const auto& index : shape.mesh.indices) {
@@ -42,7 +42,10 @@ namespace modellib {
           attrib.vertices[3 * index.vertex_index + 2]
         };
         
-        //TODO: Major fix here, running anything but the viking room OBJ crashes on texcoord assignment!
+        //TODO: Small fix here, handle if there are no UV's unwrapped for the model.
+        //      As of now, if it is not unwrapped, it segfaults on texCoord assignment.
+        //      Obviously we should always have UV's, but it shouldn't crash, just unwrap 
+        //      in a default method.
         vertex.texCoord = {
           attrib.texcoords[2 * index.texcoord_index + 0],
           1.0f - attrib.texcoords[2 * index.texcoord_index + 1]