some code reorganization

[blank.git] / src / init.cpp

diff --git a/src/init.cpp b/src/init.cpp
deleted file mode 100644 (file)
index a56674c..0000000
--- a/src/init.cpp
+++ /dev/null
@@ -1,185 +0,0 @@
-#include "init.hpp"
-
-#include <algorithm>
-#include <SDL.h>
-#include <SDL_image.h>
-#include <stdexcept>
-#include <string>
-#include <GL/glew.h>
-
-
-namespace {
-
-void sdl_error(std::string msg) {
-       const char *error = SDL_GetError();
-       if (*error != '\0') {
-               msg += ": ";
-               msg += error;
-               SDL_ClearError();
-       }
-       throw std::runtime_error(msg);
-}
-
-}
-
-namespace blank {
-
-InitSDL::InitSDL() {
-       if (SDL_Init(SDL_INIT_VIDEO) != 0) {
-               sdl_error("SDL_Init(SDL_INIT_VIDEO)");
-       }
-}
-
-InitSDL::~InitSDL() {
-       SDL_Quit();
-}
-
-
-InitIMG::InitIMG() {
-       if (IMG_Init(IMG_INIT_PNG) == 0) {
-               sdl_error("IMG_Init(IMG_INIT_PNG)");
-       }
-}
-
-InitIMG::~InitIMG() {
-       IMG_Quit();
-}
-
-
-InitGL::InitGL(bool double_buffer, int sample_size) {
-       if (SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3) != 0) {
-               sdl_error("SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3)");
-       }
-       if (SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3) != 0) {
-               sdl_error("SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3)");
-       }
-       if (SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE) != 0) {
-               sdl_error("SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE)");
-       }
-
-       if (double_buffer) {
-               if (SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1) != 0) {
-                       sdl_error("SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1)");
-               }
-       }
-
-       if (sample_size > 1) {
-               if (SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1) != 0) {
-                       sdl_error("SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS)");
-               }
-               if (SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, sample_size) != 0) {
-                       sdl_error("SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES)");
-               }
-       }
-}
-
-
-Window::Window()
-: handle(SDL_CreateWindow(
-       "blank",
-       SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
-       960, 600,
-       SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE
-)) {
-       if (!handle) {
-               sdl_error("SDL_CreateWindow");
-       }
-}
-
-Window::~Window() {
-       SDL_DestroyWindow(handle);
-}
-
-void Window::GrabInput() {
-       SDL_SetWindowGrab(handle, SDL_TRUE);
-}
-
-void Window::ReleaseInput() {
-       SDL_SetWindowGrab(handle, SDL_FALSE);
-}
-
-void Window::GrabMouse() {
-       if (SDL_SetRelativeMouseMode(SDL_TRUE) != 0) {
-               sdl_error("SDL_SetRelativeMouseMode");
-       }
-}
-
-void Window::ReleaseMouse() {
-       if (SDL_SetRelativeMouseMode(SDL_FALSE) != 0) {
-               sdl_error("SDL_SetRelativeMouseMode");
-       }
-}
-
-GLContext Window::CreateContext() {
-       return GLContext(handle);
-}
-
-void Window::Flip() {
-       SDL_GL_SwapWindow(handle);
-}
-
-
-GLContext::GLContext(SDL_Window *win)
-: handle(SDL_GL_CreateContext(win)) {
-       if (!handle) {
-               sdl_error("SDL_GL_CreateContext");
-       }
-}
-
-GLContext::~GLContext() {
-       if (handle) {
-               SDL_GL_DeleteContext(handle);
-       }
-}
-
-
-GLContext::GLContext(GLContext &&other)
-: handle(other.handle) {
-       other.handle = nullptr;
-}
-
-GLContext &GLContext::operator =(GLContext &&other) {
-       std::swap(handle, other.handle);
-       return *this;
-}
-
-void GLContext::EnableVSync() {
-       if (SDL_GL_SetSwapInterval(1) != 0) {
-               sdl_error("SDL_GL_SetSwapInterval");
-       }
-}
-
-void GLContext::EnableDepthTest() noexcept {
-       glEnable(GL_DEPTH_TEST);
-       glDepthFunc(GL_LESS);
-}
-
-void GLContext::EnableBackfaceCulling() noexcept {
-       glEnable(GL_CULL_FACE);
-}
-
-void GLContext::Clear() noexcept {
-       glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-}
-
-void GLContext::ClearDepthBuffer() noexcept {
-       glClear(GL_DEPTH_BUFFER_BIT);
-}
-
-
-InitGLEW::InitGLEW() {
-       glewExperimental = GL_TRUE;
-       GLenum glew_err = glewInit();
-       if (glew_err != GLEW_OK) {
-               std::string msg("glewInit: ");
-               const GLubyte *errBegin = glewGetErrorString(glew_err);
-               const GLubyte *errEnd = errBegin;
-               while (*errEnd != '\0') {
-                       ++errEnd;
-               }
-               msg.append(errBegin, errEnd);
-               throw std::runtime_error(msg);
-       }
-}
-
-}