managed old tutorial implementation with classes.

Bugs: nothing is displayed

MshViewer/Source/Object.cpp

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+#include <gl\glew.h>
+#include <gl\glfw3.h>
+#include <glm\gtc\matrix_transform.hpp>
+#include "Object.h"
+#include "shader.hpp"
+#include "import.h"
+#include "Texture.h"
+
+#define VERTEX_SHADER "Shader/VertexTextureShader.mv2shdr"
+#define FRAGMENT_SHADER "Shader/FragmentTextureShader.mv2shdr"
+#define TEXTURE_NAME "Textures/dice.tga"
+
+
+/////////////////////////////////////////////////////////////////////////
+// public constructor/destructor
+
+Object::Object(const char* path) :
+	fRotationX(0),
+	fRotationY(0),
+	fRotationZ(0)
+{
+	m4x4Model = glm::mat4(1.0f);
+
+	glGenVertexArrays(1, &gluiVertexArrayID);
+
+	glGenBuffers(1, &gluiVertexBufferID);
+	glGenBuffers(1, &gluiUVBufferID);
+
+	gluiShaderPrgmID = LoadShaders(VERTEX_SHADER, FRAGMENT_SHADER);
+
+	vfVertices = loadData();
+	vfUV = loadUV();
+	
+	processTexture();
+	loadMesh2OGL();
+}
+
+Object::~Object()
+{
+	glDeleteBuffers(1, &gluiUVBufferID);
+	glDeleteBuffers(1, &gluiVertexBufferID);
+	glDeleteVertexArrays(1, &gluiVertexArrayID);
+	glDeleteProgram(gluiShaderPrgmID);
+}
+
+
+/////////////////////////////////////////////////////////////////////////
+// private functions
+
+void Object::processTexture()
+{
+	glGenTextures(1, &gluiTextureID);
+	glBindTexture(GL_TEXTURE_2D, gluiTextureID);
+
+	TextureTGA tempTex(TEXTURE_NAME);
+	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, tempTex.getWidth(), tempTex.getHeight(), 0, GL_BGR, GL_UNSIGNED_BYTE, tempTex.getData().data());
+
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
+	glGenerateMipmap(GL_TEXTURE_2D);
+}
+
+void Object::calcMatrix()
+{
+	m4x4Model = glm::rotate(m4x4Model, fRotationX, glm::vec3(1, 0, 0));
+	m4x4Model = glm::rotate(m4x4Model, fRotationY, glm::vec3(0, 1, 0));
+	m4x4Model = glm::rotate(m4x4Model, fRotationZ, glm::vec3(0, 0, 1));
+}
+
+void Object::loadMesh2OGL()
+{
+	// load object to OGL
+	glBindBuffer(GL_ARRAY_BUFFER, gluiVertexBufferID);
+	glBufferData(
+		GL_ARRAY_BUFFER,
+		sizeof(vfVertices) * vfVertices.size(),
+		vfVertices.data(),
+		GL_STATIC_DRAW
+	);
+
+	// load UV to OGL
+	glBindBuffer(GL_ARRAY_BUFFER, gluiUVBufferID);
+	glBufferData(
+		GL_ARRAY_BUFFER,
+		sizeof(vfUV) * vfUV.size(),
+		vfUV.data(),
+		GL_STATIC_DRAW
+	);
+}
+
+
+/////////////////////////////////////////////////////////////////////////
+// public getter
+
+glm::mat4 Object::getMatrix()
+{
+	calcMatrix();
+	return m4x4Model;
+}
+
+GLuint Object::getShader() const
+{
+	return gluiShaderPrgmID;
+}
+
+GLuint Object::getTextureID() const
+{
+	return gluiTextureID;
+}
+
+GLuint Object::getVertexBufferID() const
+{
+	return gluiVertexBufferID;
+}
+
+GLuint Object::getUVBufferID() const
+{
+	return gluiUVBufferID;
+}
+
+int Object::getVertexNumber() const
+{
+	return 12*3;
+}
+
+
+/////////////////////////////////////////////////////////////////////////
+// public functions
+
+void Object::add2x(float value)
+{
+	fRotationX += value;
+}
+
+void Object::add2y(float value)
+{
+	fRotationY += value;
+}
+
+void Object::add2z(float value)
+{
+	fRotationZ += value;
+}