mirror of
https://github.com/simtactics/niotso.git
synced 2025-03-21 10:41:21 +00:00
8bb608d5ce
New client code for Windows. The window does not appear until the OpenGL rendering context has completely initialized and (one day) has the first frame ready to draw.
127 lines
No EOL
4.1 KiB
C++
127 lines
No EOL
4.1 KiB
C++
/*
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Niotso - Copyright (C) 2012 Fatbag <X-Fi6@phppoll.org>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "../EngineInterface.hpp"
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namespace Graphics {
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HANDLE Thread;
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HDC hDC;
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HGLRC hRC;
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void Shutdown();
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DWORD WINAPI ThreadProc(LPVOID){
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hDC = GetDC(Window::hWnd);
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if(hDC == NULL){
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MessageBox(Window::hWnd, "Failed to obtain the device context.", NULL, MB_OK | MB_ICONERROR);
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Shutdown();
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return ERROR_GRAPHICS_OBTAIN_DC;
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}
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const PIXELFORMATDESCRIPTOR pfd = {
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sizeof(PIXELFORMATDESCRIPTOR), 1, //Size and version
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PFD_DRAW_TO_WINDOW | //dwFlags
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PFD_SUPPORT_OPENGL |
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PFD_DOUBLEBUFFER,
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PFD_TYPE_RGBA, //iPixelType
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32, //cColorBits
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0, 0, 0, 0, 0, 0, 0, 0, //R,G,B,A bits
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0, 0, 0, 0, 0, //Accumulation buffer bits
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16, //cDepthBits
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0, //cStencilBits
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0, //cAuxBuffers
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PFD_MAIN_PLANE, //iLayerType
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0, //Reserved
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0, 0, 0 //Masks
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};
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unsigned PixelFormat = ChoosePixelFormat(hDC, &pfd);
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if(!PixelFormat){
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MessageBox(Window::hWnd, "Failed to find a suitable pixel format for the device context.", NULL, MB_OK | MB_ICONERROR);
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Shutdown();
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return ERROR_GRAPHICS_FIND_PIXELFORMAT;
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}
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if(!SetPixelFormat(hDC, PixelFormat, &pfd)){
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MessageBox(Window::hWnd, "Failed to set the pixel format for the device context.", NULL, MB_OK | MB_ICONERROR);
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Shutdown();
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return ERROR_GRAPHICS_SET_PIXELFORMAT;
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}
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hRC = wglCreateContext(hDC);
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if(!hRC){
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MessageBox(Window::hWnd, "Failed to create an OpenGL rendering context.", NULL, MB_OK | MB_ICONERROR);
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Shutdown();
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return ERROR_GRAPHICS_CREATE_GLRC;
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}
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if(!wglMakeCurrent(hDC, hRC)){
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MessageBox(Window::hWnd, "Failed to activate the OpenGL device context.", NULL, MB_OK | MB_ICONERROR);
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Shutdown();
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return ERROR_GRAPHICS_ACTIVATE_GLRC;
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}
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int result = InitGL();
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if(result != 0){
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Shutdown();
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return ERROR_GRAPHICS_INIT_GLSCENE | result;
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}
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ResizeViewport(Window::Width, Window::Height);
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ResetEvent(System::Terminated[HANDLE_GRAPHICS]);
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SetEvent(System::Initialized[HANDLE_GRAPHICS]);
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ShowWindow(Window::hWnd, SW_SHOW);
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SetForegroundWindow(Window::hWnd);
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SetFocus(Window::hWnd);
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WaitForSingleObject(System::Shutdown, INFINITE);
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Shutdown();
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return 0;
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}
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int InitGL(){
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glShadeModel(GL_SMOOTH);
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glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
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glClearDepth(1.0f);
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glEnable(GL_DEPTH_TEST);
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glEnable(GL_CULL_FACE);
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glEnable(GL_RESCALE_NORMAL);
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glDisable(GL_BLEND);
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glDepthFunc(GL_LEQUAL);
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glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
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return 0;
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}
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void Shutdown(){
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ShowWindowAsync(Window::hWnd, SW_HIDE);
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if(Graphics::hRC){
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wglMakeCurrent(NULL, NULL);
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wglDeleteContext(Graphics::hRC);
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Graphics::hRC = NULL;
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}
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if(Graphics::hDC){
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ReleaseDC(Window::hWnd, Graphics::hDC);
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Graphics::hDC = NULL;
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}
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SetEvent(System::Terminated[HANDLE_GRAPHICS]);
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}
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} |