mirror of
https://github.com/rwengine/openrw.git
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80 lines
2.5 KiB
C++
80 lines
2.5 KiB
C++
#include "GameWindow.hpp"
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#include <core/Logger.hpp>
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void GameWindow::create(const std::string& title, size_t w, size_t h,
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bool fullscreen) {
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Uint32 style = SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE | SDL_WINDOW_HIDDEN;
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if (fullscreen) style |= SDL_WINDOW_FULLSCREEN;
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK,
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SDL_GL_CONTEXT_PROFILE_CORE);
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3);
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SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
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SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
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SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 8);
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window = SDL_CreateWindow(title.c_str(), SDL_WINDOWPOS_CENTERED,
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SDL_WINDOWPOS_CENTERED, w, h, style);
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if (window == nullptr) {
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// Window creation failure is fatal
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std::string sdlErrorStr = SDL_GetError();
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throw std::runtime_error("SDL_CreateWindow failed: " + sdlErrorStr);
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}
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glcontext = SDL_GL_CreateContext(window);
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if (glcontext == nullptr) {
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// context creation failure is fatal
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std::string sdlErrorStr = SDL_GetError();
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throw std::runtime_error("SDL_GL_CreateContext failed: " + sdlErrorStr);
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}
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// This part sets an embedded icon to the window
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// The source "image" is a 32-bit RGBA buffer exported from GIMP
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// The full name of the format is "GIMP RGBA C-Source image dump"
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#include "WindowIcon.hpp"
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Uint32 rmask, gmask, bmask, amask;
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#if SDL_BYTEORDER == SDL_BIG_ENDIAN
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// Big Endian
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rmask = 0xff000000;
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gmask = 0x00ff0000;
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bmask = 0x0000ff00;
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amask = 0x000000ff;
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#else
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// Little Endian
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rmask = 0x000000ff;
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gmask = 0x0000ff00;
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bmask = 0x00ff0000;
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amask = 0xff000000;
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#endif
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icon = SDL_CreateRGBSurfaceFrom(
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static_cast<void*>(const_cast<unsigned char*>(windowIconData)),
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windowIconWidth, windowIconHeight, 32, windowIconWidth * (32 / 8),
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rmask, gmask, bmask, amask);
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SDL_SetWindowIcon(window, icon);
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SDL_ShowWindow(window);
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}
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void GameWindow::close() {
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SDL_GL_DeleteContext(glcontext);
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SDL_FreeSurface(icon);
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SDL_DestroyWindow(window);
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window = nullptr;
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}
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void GameWindow::showCursor() {
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SDL_SetRelativeMouseMode(SDL_FALSE);
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}
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void GameWindow::hideCursor() {
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SDL_SetRelativeMouseMode(SDL_TRUE);
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}
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glm::ivec2 GameWindow::getSize() const {
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int x, y;
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SDL_GL_GetDrawableSize(window, &x, &y);
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return glm::ivec2(x, y);
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}
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