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Copy pathSDLstuff.cpp
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155 lines (122 loc) · 3.27 KB
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#include"SDLstuff.h"
SDLstuff::SDLstuff(RT_RayTracer* rayTracer_){
this->rayTracer = rayTracer_;
mainWindow = NULL;
sdl_glContext = NULL;
}
SDLstuff::~SDLstuff(){
if (sdl_glContext)
SDL_GL_DeleteContext(sdl_glContext);
}
voidSDLstuff::init(){
if (!Engine::dedicated){
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE) < 0) {
cerr << "Failed initializing SDL Video: " << SDL_GetError() << endl;
exit(1);
}
}
// move the window starting position a bit away from the upper left corner
constint totalOffsetX = 6;
constint totalOffsetY = 28;
if (!Engine::dedicated){
cout << "Creating SDL window with " << Engine::screenWidthGL << "x" << Engine::screenHeightGL << endl;
sprintf(title, "MinRT %s", MINRT_VERSION);
mainWindow = SDL_CreateWindow(title, totalOffsetX, totalOffsetY, Engine::screenWidthGL, Engine::screenHeightGL, SDL_WINDOW_OPENGL);
if (!mainWindow){
cout << "SDLstuff::createMyWindow. No mainWindow: " << SDL_GetError() << endl;
exit(1);
}
sdl_glContext = SDL_GL_CreateContext(mainWindow);
if (!sdl_glContext){
cout << "SDLstuff::createMyWindow. No mainWindow: " << SDL_GetError() << endl;
exit(1);
}
}
}
voidSDLstuff::checkEvents(){
while (SDL_PollEvent(&event)){
switch (event.type){
caseSDL_KEYDOWN:
handleKeyPressEvent(&event.key.keysym);
break;
caseSDL_KEYUP:
handleKeyReleaseEvent(&event.key.keysym);
break;
caseSDL_MOUSEMOTION:
handleMouseMotionEvent(&event.motion);
break;
default:
break;
}
}
}
voidSDLstuff::handleMouseMotionEvent(SDL_MouseMotionEvent* mouseMotion){
Engine::relativeMouseMotion = CVector2i(mouseMotion->xrel, mouseMotion->yrel);
}
voidSDLstuff::handleKeyPressEvent(SDL_Keysym* keysym){
SDL_Keycode key = keysym->sym;
switch (key){
caseSDLK_ESCAPE:
Engine::done = true;
break;
caseSDLK_UP:
case SDLK_w:
Engine::upKey = true;
break;
caseSDLK_DOWN:
case SDLK_s:
Engine::downKey = true;
break;
caseSDLK_RIGHT:
case SDLK_d:
Engine::leftKey = true;
break;
caseSDLK_LEFT:
case SDLK_a:
Engine::rightKey = true;
break;
caseSDLK_SPACE:
Engine::jumpKey = true;
break;
case SDLK_c:
Engine::crouchKey = true;
break;
default:
break;
}
}
voidSDLstuff::handleKeyReleaseEvent(SDL_Keysym* keysym){
SDL_Keycode key = keysym->sym;
switch (key) {
caseSDLK_UP:
case SDLK_w:
Engine::upKey = false;
break;
caseSDLK_DOWN:
case SDLK_s:
Engine::downKey = false;
break;
caseSDLK_RIGHT:
case SDLK_d:
Engine::leftKey = false;
break;
caseSDLK_LEFT:
case SDLK_a:
Engine::rightKey = false;
break;
caseSDLK_SPACE:
Engine::jumpKey = false;
break;
case SDLK_c:
Engine::crouchKey = false;
break;
default:
break;
}
}
voidSDLstuff::grabKeyAndMouse(){
SDL_SetRelativeMouseMode(SDL_TRUE);
}
voidSDLstuff::ungrabKeyAndMouse(){
SDL_SetRelativeMouseMode(SDL_FALSE);
}