Window::Window(Shader *aShader, int argc, char* argv[] ) :
shader(aShader) {
eyeoffset[0] = 0; eyeoffset[1] = 0;
window_size[0] = INITIAL_WIDTH;
window_size[1] = INITIAL_HEIGHT;
for(int i = 0; i < 4; i++)
ambientcolor[i] = 0.2f;
//camera setup
up[0] = 0.0f; up[1] = 1.0f; up[2] = 0.0f;
eye[0] = 0.0f; eye[1] = 1.0f; eye[2] = 3.0f;
look[0] = eye[0]; look[1] = eye[1]-.5f; look[2] = eye[2]; //start looking at origin but slightly up
setUpFrustrum();
setupCallback();
}
// Very complex stuff, impossible to explain.
int main(int argc, char *argv [])
{
//Set the error callback
glfwSetErrorCallback(onError);
//Initialize GLFW
if (!glfwInit()){
exit(EXIT_FAILURE);
}
//Set the GLFW window creation hints - these are optional
//glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3); //Request a specific OpenGL version
//glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3); //Request a specific OpenGL version
//glfwWindowHint(GLFW_SAMPLES, 4); //Request 4x antialiasing
//glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
//Declare a window object
GLFWwindow* window;
window = glfwCreateWindow(SCREEN_WIDTH, SCREEN_HEIGHT,
"Screen Space Fluid Rendering",
NULL /* glfwGetPrimaryMonitor() */,
NULL);
if (!window){
fprintf(stderr, "Failed to open GLFW window.\n");
glfwTerminate();
exit(EXIT_FAILURE);
}
glfwMakeContextCurrent(window);
// Output some information
puts(glfwGetVersionString());
printf("OpenGL version supported %s\n", glGetString(GL_VERSION));
setupCallback(window);
// AssImp init
// get a handle to the predefined STDOUT log stream and attach
// it to the logging system. It remains active for all further
// calls to aiImportFile(Ex) and aiApplyPostProcessing.
aiLogStream aiStream = aiGetPredefinedLogStream(aiDefaultLogStream_STDOUT, NULL);
aiAttachLogStream(&aiStream);
// --------------------------------------------
// Initialize GLEW
// --------------------------------------------
glewExperimental = GL_TRUE;
GLenum err = glewInit();
//If GLEW hasn't initialized
if (err != GLEW_OK){
fprintf(stderr, "Error: %s\n", glewGetErrorString(err));
return 1;
}
// --------------------------------------------
// DevIL init
// --------------------------------------------
ilInit();
/*
* Now that we should have a valid GL context, perform our OpenGL
* initialization, before we enter our main loop.
*/
initialize(window);
mainLoop(window);
unload(window);
// We added a log stream to the library, it's our job to disable it
// again. This will definitely release the last resources allocated
// by Assimp.
aiDetachAllLogStreams();
//Close OpenGL window and terminate GLFW
glfwDestroyWindow(window);
//Finalize and clean up GLFW
glfwTerminate();
exit(EXIT_SUCCESS);
}
