new release version,

Features:
- drag and drop

MshViewer/Header/Object.h

@@ -3,7 +3,6 @@
 #include <list>
 #include <fstream>
 #include <string>
-#include <gl\glew.h>
 #include <glm\gtc\matrix_transform.hpp>
 
 enum Mtyp {
@@ -22,27 +21,16 @@ struct ChunkHeader {
 };
 
 struct Modl {
-	std::string name;
+	std::string name			= "";
-	std::string parent;
+	std::string parent			= "";
-	Mtyp type;
+	Mtyp type					= null;
-	std::uint32_t renderFlags;
+	std::int32_t renderFlags	= -1;
-	glm::mat4 m4x4Translation;
+	glm::mat4 m4x4Translation	= glm::mat4(1.0f);
-	struct {
+	std::string texture			= "";
-		float scale[3];
+	float* vertex				= nullptr;
-		float rotation[4];
+	float* uv					= nullptr;
-		float translation[3];
+	std::uint32_t* mesh			= nullptr;
-	} tran;
+	std::uint32_t meshSize		= 0;
-	struct {
-		std::uint32_t type;
-		float data1;
-		float data2;
-		float data3;
-	} swci;
-	std::string texture;
-	float* vertex;
-	float* uv;
-	std::uint32_t* mesh;
-	std::uint32_t meshSize;
 };
 
 
@@ -60,7 +48,6 @@ private:
 
 
 private:
-	void setModlDefault(Modl* model);
 	void loadChunks(std::list<ChunkHeader*> &destination, std::streampos start, const std::uint32_t end);
 	void analyseMsh2Chunks(std::list<ChunkHeader*> &chunkList);
 	void analyseMatdChunks(std::list<ChunkHeader*> &chunkList);

MshViewer/Header/OpenGLController.h

@@ -1,10 +1,9 @@
 #pragma once
-#include <string>
 #include <gl\glew.h>
 #include <gl\glfw3.h>
-#include <glm\glm.hpp>
-#include <vector>
 #include "Object.h"
+#include <vector>
+
 
 #define VERTEX_INDEX_XYZ		0
 #define VERTEX_INDEX_UV			1
@@ -23,6 +22,13 @@ struct Vertex {
 	GLfloat uv[2];
 };
 
+struct textureData {
+	bool alpha;
+	std::uint32_t width;
+	std::uint32_t height;
+	std::vector<std::uint8_t>* data;
+};
+
 class OpenGLController
 {
 ////////////////////////////////////////////////////////////////////////////////////////////
@@ -65,6 +71,7 @@ private:
 
 	// data
 	std::vector<Modl*> vModels;
+	std::vector<textureData*> vTextures;
 
 // transformation =========================
 	//values
@@ -87,12 +94,14 @@ private:
 // 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);
 
 

MshViewer/Header/callback.h

@@ -8,4 +8,6 @@ extern void mouseMove(GLFWwindow *window, double xpos, double ypos);
 
 extern void mouseWheel(GLFWwindow *window, double xoffset, double yoffset);
 
-extern void keyPress(GLFWwindow *window, int key, int scancode, int action, int mods);
+extern void keyPress(GLFWwindow *window, int key, int scancode, int action, int mods);
+
+extern void dragNdrop(GLFWwindow* window, int count, const char** paths);

MshViewer/Source/Object.cpp

@@ -1,5 +1,7 @@
 #include "Object.h"
 #include <iostream>
+
+
 #define PI (4.0*atan(1.0))
 
 
@@ -72,34 +74,6 @@ Object::~Object()
 /////////////////////////////////////////////////////////////////////////
 // private functions
 
-void Object::setModlDefault(Modl * model)
-{
-	model->name = "";
-	model->parent = "";
-	model->type = null;
-	model->renderFlags = -1;
-	model->m4x4Translation = glm::mat4(1.0f);
-	model->tran.scale[0] = 0;
-	model->tran.scale[1] = 0;
-	model->tran.scale[2] = 0;
-	model->tran.rotation[0] = 0;
-	model->tran.rotation[1] = 0;
-	model->tran.rotation[2] = 0;
-	model->tran.rotation[3] = 0;
-	model->tran.translation[0] = 0;
-	model->tran.translation[1] = 0;
-	model->tran.translation[2] = 0;
-	model->swci.type = -1;
-	model->swci.data1 = -1;
-	model->swci.data2 = -1;
-	model->swci.data3 = -1;
-	model->texture = "";
-	model->vertex = NULL;
-	model->uv = NULL;
-	model->mesh = NULL;
-	model->meshSize = 0;
-}
-
 void Object::loadChunks(std::list<ChunkHeader*>& destination, std::streampos start, const std::uint32_t end)
 {
 	// jump to first chunk
@@ -184,7 +158,6 @@ void Object::analyseMsh2Chunks(std::list<ChunkHeader*>& chunkList)
 		if (!strcmp("MODL", (*it)->name))
 		{
 			Modl* tempModl = new Modl;
-			setModlDefault(tempModl);
 
 			// get all subchunks
 			std::list<ChunkHeader*> tempChunks;
@@ -347,16 +320,6 @@ void Object::analyseModlChunks(Modl* dataDestination, std::list<ChunkHeader*>& c
 
 			continue;
 		}
-
-		if (!strcmp("SWCI", (*it)->name))
-		{
-			fsMesh.seekg((*it)->position);
-			fsMesh.read(reinterpret_cast<char*>(&dataDestination->swci.type), sizeof(dataDestination->swci.type));
-			fsMesh.read(reinterpret_cast<char*>(&dataDestination->swci.data1), sizeof(dataDestination->swci.data1));
-			fsMesh.read(reinterpret_cast<char*>(&dataDestination->swci.data2), sizeof(dataDestination->swci.data2));
-			fsMesh.read(reinterpret_cast<char*>(&dataDestination->swci.data3), sizeof(dataDestination->swci.data3));
-			continue;
-		}
 	}
 }
 

MshViewer/Source/OpenGlController.cpp

@@ -1,17 +1,14 @@
-#include <gl\glew.h>
-#include <gl\glfw3.h>
-#include <Windows.h>
 #include "OpenGLController.h"
 #include "callback.h"
-
-#include <glm\gtc\matrix_transform.hpp>
 #include "shader.hpp"
 #include "Texture.h"
-#include <iostream>
+#include <Windows.h>
+#include <string>
+#include <glm\gtc\matrix_transform.hpp>
+
 
 #define VERTEX_SHADER "Shader/TextureShader.vert"
 #define FRAGMENT_SHADER "Shader/TextureShader.frag"
-#define MAX_MODEL_COUNT 1000
 
 /////////////////////////////////////////////////////////////////////////
 // public constructor/destructor
@@ -31,16 +28,7 @@ OpenGLController::~OpenGLController()
 	glDeleteTextures(1, &gluiSamplerID);
 	glfwTerminate();
 
-	while (!vModels.empty())
+	deleteVectors();
-	{
-		Modl* cursor = vModels.back();
-		vModels.pop_back();
-		
-		delete cursor->uv;
-		delete cursor->mesh;
-		delete cursor->vertex;
-		delete cursor;
-	}
 }
 
 
@@ -104,8 +92,41 @@ void OpenGLController::processInit()
 		exit(1);
 	}
 
+	// get some shader IDs
 	gluiMatrixID = glGetUniformLocation(gluiShaderPrgmID, "MVP");
 	gluiSamplerID = glGetUniformLocation(gluiShaderPrgmID, "textureSampler");
+
+	// generate texture
+	glGenTextures(1, &gluiTextureID);
+	glBindTexture(GL_TEXTURE_2D, gluiTextureID);
+
+	// set some texture parameters
+	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);
+}
+
+void OpenGLController::deleteVectors()
+{
+	while (!vModels.empty())
+	{
+		Modl* cursor = vModels.back();
+		vModels.pop_back();
+
+		delete cursor->uv;
+		delete cursor->mesh;
+		delete cursor->vertex;
+		delete cursor;
+	}
+
+	while (!vTextures.empty())
+	{
+		textureData* cursor = vTextures.back();
+		vTextures.pop_back();
+		delete cursor->data;
+		delete cursor;
+	}
 }
 
 void OpenGLController::startGLFW()
@@ -163,6 +184,23 @@ void OpenGLController::setCallbackFunctions()
 	glfwSetWindowSizeCallback(pWindow, windowResize);
 	glfwSetScrollCallback(pWindow, mouseWheel);
 	glfwSetKeyCallback(pWindow, keyPress);
+	glfwSetDropCallback(pWindow, dragNdrop);
+}
+
+glm::mat4 OpenGLController::getModelMatrix(unsigned int index)
+{
+	glm::mat4 tempParentMatrix = glm::mat4(1.0f);
+
+	for (unsigned int loop = 0; loop < vModels.size(); loop++)
+	{
+		if (!strcmp(vModels[index]->parent.c_str(), vModels[loop]->name.c_str()))
+		{
+			tempParentMatrix = getModelMatrix(loop);
+			break;
+		}
+	}
+
+	return tempParentMatrix * vModels[index]->m4x4Translation;
 }
 
 glm::mat4 OpenGLController::getMVPMatrix(unsigned int index)
@@ -177,10 +215,6 @@ glm::mat4 OpenGLController::getMVPMatrix(unsigned int index)
 		glm::vec3(0, 1, 0)
 	);
 
-	// Model
-	//TODO for all
-	glm::mat4 m4x4Model = vModels[index]->m4x4Translation;
-	
 	// User controlled rotation
 	glm::mat4 m4x4ModelRot = glm::mat4(1.0f);
 	m4x4ModelRot = glm::rotate(m4x4ModelRot, fRotationX, glm::vec3(1, 0, 0));
@@ -188,7 +222,7 @@ glm::mat4 OpenGLController::getMVPMatrix(unsigned int index)
 	m4x4ModelRot = glm::rotate(m4x4ModelRot, fRotationZ, glm::vec3(0, 0, 1));
 
 	// Return MVP
-	return m4x4Projection * m4x4View * m4x4ModelRot * m4x4Model;
+	return m4x4Projection * m4x4View * m4x4ModelRot * getModelMatrix(index);
 }
 
 
@@ -251,8 +285,23 @@ void OpenGLController::updateScene()
 
 	int instanceOffset(0);
 
-	for (int modelIndex = 0; modelIndex < vModels.size(); modelIndex++)
+	for (unsigned int modelIndex = 0; modelIndex < vModels.size(); modelIndex++)
 	{
+		// give texture to the shader
+		glTexImage2D(GL_TEXTURE_2D,
+			0,
+			vTextures[modelIndex]->alpha ? GL_RGBA : GL_RGB,
+			vTextures[modelIndex]->width,
+			vTextures[modelIndex]->height,
+			0,
+			vTextures[modelIndex]->alpha ? GL_BGRA : GL_BGR,
+			GL_UNSIGNED_BYTE,
+			vTextures[modelIndex]->data->data()
+		);
+
+		glGenerateMipmap(GL_TEXTURE_2D);
+
+		// give the MVP to the shader
 		glUniformMatrix4fv(gluiMatrixID, 1, GL_FALSE, &getMVPMatrix(modelIndex)[0][0]);
 
 		glDrawArrays(GL_TRIANGLES, instanceOffset, vModels[modelIndex]->meshSize);
@@ -266,7 +315,10 @@ void OpenGLController::updateScene()
 
 void OpenGLController::loadMsh(const char * path)
 {
-	// get data
+	// clean up old stuff first
+	deleteVectors();
+
+	// get all models
 	try
 	{
 		Object obj(path);
@@ -278,55 +330,9 @@ void OpenGLController::loadMsh(const char * path)
 		exit(1);
 	}
 
-	glGenTextures(1, &gluiTextureID);
+	// collect vertex data of all models
-	glBindTexture(GL_TEXTURE_2D, gluiTextureID);
-
-	try
-	{
-		////TODO: for all
-		if (vModels.front()->texture == "")
-			throw std::invalid_argument("no texture name");
-
-		std::string tempPath = path;
-
-		while (tempPath.back() != '/' && tempPath.back() != '\\')
-			tempPath.pop_back();
-
-		TextureTGA tempTex(std::string(tempPath + vModels.front()->texture).c_str());
-		glTexImage2D(GL_TEXTURE_2D,
-					 0,
-					 tempTex.hasAlpha() ? GL_RGBA : GL_RGB,
-					 tempTex.getWidth(),
-					 tempTex.getHeight(),
-					 0, tempTex.hasAlpha() ? GL_BGRA : GL_BGR,
-					 GL_UNSIGNED_BYTE,
-					 tempTex.getData().data()
-					);
-	}
-	catch (std::invalid_argument e)
-	{
-		GLubyte solidColor[4] = { 255, 0, 0, 255};
-		glTexImage2D(GL_TEXTURE_2D,
-					 0,
-					 GL_RGBA,
-					 1,
-					 1,
-					 0,
-					 GL_RGBA,
-					 GL_UNSIGNED_BYTE,
-					 (const GLvoid*)solidColor
-					);
-	}
-
-	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);
-
-	////TODO: for all
 	std::vector<Vertex> tempBufferData;
-	
+
 	for (auto& it : vModels)
 	{
 		for (unsigned int i = 0; i < it->meshSize; i++)
@@ -351,6 +357,7 @@ void OpenGLController::loadMsh(const char * path)
 		}
 	}
 
+	// fill the buffer
 	glBindBuffer(GL_ARRAY_BUFFER, gluiVertexBufferID);
 	glBufferData(
 		GL_ARRAY_BUFFER,
@@ -360,4 +367,37 @@ void OpenGLController::loadMsh(const char * path)
 	);
 	glBindBuffer(GL_ARRAY_BUFFER, 0);
 
+
+	// get textures
+	for (auto& it : vModels)
+	{
+		textureData* tempData = new textureData;
+		try
+		{
+			if (it->texture == "")
+				throw std::invalid_argument("no texture name");
+
+			std::string tempPath = path;
+
+			while (tempPath.back() != '/' && tempPath.back() != '\\')
+				tempPath.pop_back();
+
+			TextureTGA tempTex(std::string(tempPath + it->texture).c_str());
+
+			tempData->alpha = tempTex.hasAlpha();
+			tempData->width = tempTex.getWidth();
+			tempData->height = tempTex.getHeight();
+			tempData->data = new std::vector<std::uint8_t>(tempTex.getData());
+		}
+		catch (std::invalid_argument e)
+		{
+			GLubyte solidColor[4] = { 0, 0, 255, 255 };
+			tempData->alpha = true;
+			tempData->width = 1;
+			tempData->height = 1;
+			tempData->data = new std::vector<std::uint8_t>({ 0, 0, 255, 255 });
+		}
+
+		vTextures.push_back(tempData);
+	}
 }

MshViewer/Source/Texture.cpp

@@ -1,7 +1,5 @@
 #include "Texture.h"
-#include <iostream>
 #include <fstream>
-#include <Windows.h>
 
 TextureTGA::TextureTGA(const char * filePath)
 {

MshViewer/Source/callback.cpp

@@ -1,6 +1,3 @@
-//#include "callback.h"
-#include <gl\glew.h>
-#include <gl\glfw3.h>
 #include "OpenGLController.h"
 
 
@@ -101,3 +98,10 @@ void keyPress(GLFWwindow *window, int key, int scancode, int action, int mods)
 		}
 	}
 }
+
+void dragNdrop(GLFWwindow* window, int count, const char** paths)
+{
+	OpenGLController* controller = reinterpret_cast<OpenGLController*>(glfwGetWindowUserPointer(window));
+	if(count > 0)
+		controller->loadMsh(paths[0]);
+}

MshViewer/main.cpp

@@ -3,9 +3,6 @@
 #endif // DEBUG
 
 #include "OpenGLController.h"
-#include "Object.h"
-#include <iostream>
-#include <Windows.h>
 
 int main(int argc, char** argv)
 {
@@ -20,25 +17,7 @@ int main(int argc, char** argv)
 	else
 		scene = OpenGLController::getInstance();
 
-
+	scene->loadMsh("..\\Release\\Msh\\structured.msh");
-	goto openGL;
-
-	try {
-		Object obj("..\\Release\\Msh\\cubeTex.msh");
-	}
-	catch (std::invalid_argument e)
-	{
-		std::cout << e.what() << std::endl;
-	}
-	
-	system("pause");
-
-
-	return 0;
-
-openGL:
-
-	scene->loadMsh("..\\Release\\Msh\\multipleModels.msh");
 
 	do {
 		scene->updateScene();

README.md

@@ -13,7 +13,6 @@ Feel free to use my code the way you like. But remember i used some public libra
 licence, too.
 
 ### To Do
-- draw multiple models of one mesh,
 - crashing sometimes - no idea why,
 - bones are not triangulated,
 - nulls are not triangulated,