added old working project

3DViewer/Source/shader.cpp

@@ -0,0 +1,111 @@
+#include <stdio.h>
+#include <string>
+#include <vector>
+#include <iostream>
+#include <fstream>
+#include <algorithm>
+using namespace std;
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <GL/glew.h>
+
+#include "shader.h"
+
+GLuint LoadShaders(const char * vertex_file_path, const char * fragment_file_path) {
+
+	// Create the shaders
+	GLuint VertexShaderID = glCreateShader(GL_VERTEX_SHADER);
+	GLuint FragmentShaderID = glCreateShader(GL_FRAGMENT_SHADER);
+
+	// Read the Vertex Shader code from the file
+	std::string VertexShaderCode;
+	std::ifstream VertexShaderStream(vertex_file_path, std::ios::in);
+	if (VertexShaderStream.is_open()) {
+		std::string Line = "";
+		while (getline(VertexShaderStream, Line))
+			VertexShaderCode += "\n" + Line;
+		VertexShaderStream.close();
+	}
+	else {
+		printf("Impossible to open %s. Are you in the right directory ? Don't forget to read the FAQ !\n", vertex_file_path);
+		getchar();
+		return 0;
+	}
+
+	// Read the Fragment Shader code from the file
+	std::string FragmentShaderCode;
+	std::ifstream FragmentShaderStream(fragment_file_path, std::ios::in);
+	if (FragmentShaderStream.is_open()) {
+		std::string Line = "";
+		while (getline(FragmentShaderStream, Line))
+			FragmentShaderCode += "\n" + Line;
+		FragmentShaderStream.close();
+	}
+
+	GLint Result = GL_FALSE;
+	int InfoLogLength;
+
+
+	// Compile Vertex Shader
+	printf("Compiling shader : %s\n", vertex_file_path);
+	char const * VertexSourcePointer = VertexShaderCode.c_str();
+	glShaderSource(VertexShaderID, 1, &VertexSourcePointer, NULL);
+	glCompileShader(VertexShaderID);
+
+	// Check Vertex Shader
+	glGetShaderiv(VertexShaderID, GL_COMPILE_STATUS, &Result);
+	glGetShaderiv(VertexShaderID, GL_INFO_LOG_LENGTH, &InfoLogLength);
+	if (InfoLogLength > 0) {
+		std::vector<char> VertexShaderErrorMessage(InfoLogLength + 1);
+		glGetShaderInfoLog(VertexShaderID, InfoLogLength, NULL, &VertexShaderErrorMessage[0]);
+		printf("%s\n", &VertexShaderErrorMessage[0]);
+	}
+
+
+
+	// Compile Fragment Shader
+	printf("Compiling shader : %s\n", fragment_file_path);
+	char const * FragmentSourcePointer = FragmentShaderCode.c_str();
+	glShaderSource(FragmentShaderID, 1, &FragmentSourcePointer, NULL);
+	glCompileShader(FragmentShaderID);
+
+	// Check Fragment Shader
+	glGetShaderiv(FragmentShaderID, GL_COMPILE_STATUS, &Result);
+	glGetShaderiv(FragmentShaderID, GL_INFO_LOG_LENGTH, &InfoLogLength);
+	if (InfoLogLength > 0) {
+		std::vector<char> FragmentShaderErrorMessage(InfoLogLength + 1);
+		glGetShaderInfoLog(FragmentShaderID, InfoLogLength, NULL, &FragmentShaderErrorMessage[0]);
+		printf("%s\n", &FragmentShaderErrorMessage[0]);
+	}
+
+
+
+	// Link the program
+	printf("Linking program\n");
+	GLuint ProgramID = glCreateProgram();
+	glAttachShader(ProgramID, VertexShaderID);
+	glAttachShader(ProgramID, FragmentShaderID);
+	glLinkProgram(ProgramID);
+
+	// Check the program
+	glGetProgramiv(ProgramID, GL_LINK_STATUS, &Result);
+	glGetProgramiv(ProgramID, GL_INFO_LOG_LENGTH, &InfoLogLength);
+	if (InfoLogLength > 0) {
+		std::vector<char> ProgramErrorMessage(InfoLogLength + 1);
+		glGetProgramInfoLog(ProgramID, InfoLogLength, NULL, &ProgramErrorMessage[0]);
+		printf("%s\n", &ProgramErrorMessage[0]);
+	}
+
+
+	glDetachShader(ProgramID, VertexShaderID);
+	glDetachShader(ProgramID, FragmentShaderID);
+
+	glDeleteShader(VertexShaderID);
+	glDeleteShader(FragmentShaderID);
+
+	return ProgramID;
+}
+
+

3DViewer/Source/texture.cpp

@@ -0,0 +1,106 @@
+#include "texture.h"
+#include <iostream>
+#include <fstream>
+#include <Windows.h>
+
+TextureTGA::TextureTGA(const char * filePath)
+{
+	// open the file
+	std::fstream fsPicture(filePath, std::ios::in | std::ios::binary);
+
+	if (!fsPicture.is_open())
+		throw std::invalid_argument(std::string("file not found: ") += filePath);
+
+	// read in the header
+	std::uint8_t ui8x18Header[18] = { 0 };
+	fsPicture.read(reinterpret_cast<char*>(&ui8x18Header), sizeof(ui8x18Header));
+	
+	// extract all information from header
+	ui32IDLength = ui8x18Header[0];
+	bColorTabel = ui8x18Header[1] == 1;
+	ui32PicType = ui8x18Header[2];
+	ui32PaletteBegin = ui8x18Header[4] * 0x100 + ui8x18Header[3];
+	ui32PaletteLength = ui8x18Header[6] * 0x100 + ui8x18Header[5];
+	ui32PaletteBpP = ui8x18Header[7];
+	ui32Width = ui8x18Header[13] * 0x100 + ui8x18Header[12];
+	ui32Height = ui8x18Header[15] * 0x100 + ui8x18Header[14];
+	ui32BpP = ui8x18Header[16];
+	ui32Attribut = ui8x18Header[17];
+
+	// calculate some more information
+	ui32Size = ui32Width * ui32Height * ui32BpP/8;
+	bCompressed = ui32PicType == 9 || ui32PicType == 10;
+	vui8Pixels.resize(ui32Size);
+
+	/* consol output of the header
+	std::cout << "Header\n"
+		<< "ID l<>nge: " << ui32IDLength << std::endl
+		<< "Farbtabelle: " << (int)bColorTabel << std::endl
+		<< "Bildtype: " << ui32PicType << std::endl
+		<< "Palletenbegin: " << ui32PaletteBegin << std::endl
+		<< "Palletenl<6E>ngen: " << ui32PaletteLength << std::endl
+		<< "Bits pro Palleteneintrag: " << ui32PaletteBpP << std::endl
+		<< "Breite: " << ui32Width << std::endl
+		<< "H<>he: " << ui32Height << std::endl
+		<< "Bit pro Pixel: " << ui32BpP << std::endl
+		<< "Bild Attribute: " << ui32Attribut << std::endl;*/
+
+	// jump to the data block
+	fsPicture.seekg(ui32IDLength + ui32PaletteLength, std::ios_base::cur);
+
+	// If not compressed 24 or 32 bit
+	if (ui32PicType == 2 && (ui32BpP == 24 || ui32BpP == 32))
+	{
+		fsPicture.read(reinterpret_cast<char*>(vui8Pixels.data()), ui32Size);
+	}
+	// else if compressed 24 or 32 bit
+	else if (ui32PicType == 10 && (ui32BpP == 24 || ui32BpP == 32))	// compressed
+	{
+		throw std::invalid_argument("Invaild File Format! Don't compress the image.");
+	}
+	// not useable format
+	else
+	{
+		fsPicture.close();
+		throw std::invalid_argument("Invaild File Format! Required 24 or 31 Bit Image.");
+	}
+
+	
+	//fix color mix
+	/*std::uint8_t temp;
+	std::uint32_t it = 0;
+
+	while (it + 2 < ui32Size)
+	{
+		temp = vui8Pixels[it];
+		vui8Pixels[it] = vui8Pixels[it + 2];
+		vui8Pixels[it + 2] = temp;
+		ui32BpP == 32 ? it += 4 : it += 3;
+	}*/
+	
+	fsPicture.close();
+}
+
+TextureTGA::~TextureTGA()
+{
+}
+
+std::vector<std::uint8_t> TextureTGA::getData() const
+{
+	return vui8Pixels;
+}
+
+bool TextureTGA::hasAlpha() const
+{
+	return ui32BpP == 32;
+}
+
+std::uint32_t TextureTGA::getWidth() const
+{
+	return ui32Width;
+}
+
+std::uint32_t TextureTGA::getHeight() const
+{
+	return ui32Height;
+}