SWBF2-Classic-Msh-Viewer/MshViewer/Header/OpenGLController.h

129 lines
2.8 KiB
C++

#pragma once
#include <gl\glew.h>
#include <gl\glfw3.h>
#include "Object.h"
#include <vector>
#define VERTEX_INDEX_XYZ 0
#define VERTEX_INDEX_UV 1
#define VERTEX_COMPONENTS_XYZ 3
#define VERTEX_COMPONENTS_UV 2
#define VERTEX_SIZE_XYZ (sizeof(float) * VERTEX_COMPONENTS_XYZ)
#define VERTEX_SIZE_UV (sizeof(float) * VERTEX_COMPONENTS_UV)
#define VERTEX_OFFSET_XYZ 0
#define VERTEX_OFFSET_UV (VERTEX_SIZE_XYZ)
struct Vertex {
GLfloat position[3];
GLfloat uv[2];
};
struct textureData {
bool alpha;
std::uint32_t width;
std::uint32_t height;
std::vector<std::uint8_t>* data;
};
class OpenGLController
{
////////////////////////////////////////////////////////////////////////////////////////////
// constructor/destructor
public:
static OpenGLController* getInstance(int oglMajor = 4, int oglMinor = 5);
~OpenGLController();
private:
OpenGLController() {};
OpenGLController(int oglMajor, int oglMinor);
////////////////////////////////////////////////////////////////////////////////////////////
// member
private:
// window
GLFWwindow* pWindow = NULL;
std::string sWindowName = "MeshViewer 2.0 pre-alpha";
int iWidth = 640;
int iHeight = 480;
// init glfw
int iOglMajorVersion = 4;
int iOglMinorVersion = 5;
int iAntiAliasingLevel = 4;
// IDs ====================================
//object data
GLuint gluiVertexArrayID = 0;
GLuint gluiVertexBufferID = 0;
//obj color
GLuint gluiTextureID = 0;
GLuint gluiShaderPrgmID = 0;
GLuint gluiSamplerID = 0;
//obj transformation
GLuint gluiMatrixID = 0;
// ========================================
// data
std::vector<Modl*>* vModels = NULL;
std::vector<textureData*> vTextures;
Bbox sceneBoundingBox;
// transformation =========================
//values
float fRotationX = 0;
float fRotationY = 0;
float fRotationZ = 0;
double dTranslationX = 0;
double dTranslationY = 0;
double dTranslationZ = 3;
// ========================================
// camera
float fFOV = 45.0f;
float fMinView = 0.1f;
float fMaxView = 100.0f;
////////////////////////////////////////////////////////////////////////////////////////////
// private functions
private:
void processInit();
void deleteVectors();
void startGLFW();
void createWindow();
void startGLEW();
void setCallbackFunctions();
glm::mat4 getModelMatrix(unsigned int index);
glm::mat4 getMVPMatrix(unsigned int index);
////////////////////////////////////////////////////////////////////////////////////////////
// public functions
public:
// callback
void resize(int width, int height);
void addRotX(float value);
void addRotY(float value);
void addTransX(double value);
void addTransY(double value);
void addTransZ(double value);
void resetView();
// main routine
GLFWwindow* getWindow() const;
void updateScene();
void loadMsh(const char* path);
};