Model.hpp

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#pragma once

#include <string>
#include <vector>
#include <vulkan/vulkan.h>

#define GLM_FORCE_RADIANS
#include <glm/glm.hpp>

namespace small3d {
  struct Model {

  private:
    // Data read from .obj file
    std::vector<std::vector<float> > vertices;
    std::vector<std::vector<int> > facesVertexIndices;
    std::vector<std::vector<float> > normals;
    std::vector<std::vector<int> > facesNormalIndices;
    std::vector<std::vector<float> > textureCoords;
    std::vector<std::vector<int> > textureCoordsIndices;

    void loadVertexData();
    void loadIndexData();
    void loadNormalsData();
    void loadTextureCoordsData();

    // Make sure that no texture coordinate information is lost when the data
    // buffers get created (vertexData, indexData, normalsData and
    // textureCoordsData) by realigning the data vectors, in order to ensure
    // unique vertex - texture coordinates pairs.
    void correctDataVectors();

    void clear();

  public:

    bool alreadyInGPU = false;

    VkBuffer positionBuffer;

    VkDeviceMemory positionBufferMemory;

    VkBuffer indexBuffer;

    VkDeviceMemory indexBufferMemory;

    VkBuffer normalsBuffer;

    VkDeviceMemory normalsBufferMemory;

    VkBuffer uvBuffer;

    VkDeviceMemory uvBufferMemory;

    uint32_t orientationMemIndex = 0;

    uint32_t colourMemIndex = 0;

    std::vector<float> vertexData;

    int vertexDataByteSize = 0;

    std::vector<uint32_t> indexData;

    int indexDataByteSize = 0;

    std::vector<float> normalsData;

    int normalsDataByteSize = 0;

    std::vector<float> textureCoordsData;

    int textureCoordsDataByteSize = 0;

    std::string textureName = "";

    bool perspective = false;

    
    Model();

    Model(const std::string fileLocation);

  };
}