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#include "main.h"
#include "interface.h"
#include "screen.h"
//povrch okna
static SDL_Surface *screen;
static SDL_Surface *fake_screen;
//casovac
static SDL_TimerID timer;
//priznaky okna
static Uint32 g_win_flags = SDL_HWSURFACE|SDL_DOUBLEBUF;
static bool_t isInterfaceInit = FALSE;
bool_t isInterfaceInicialized()
{
return isInterfaceInit;
}
static Uint32 TimerCallback(Uint32 interval, void *param)
{
SDL_Event event;
event.type = SDL_USEREVENT;
event.user.code = USR_EVT_TIMER;
event.user.data1 = NULL;
event.user.data2 = NULL;
SDL_PushEvent(&event);
return interval;
}
int initSDL()
{
printf("init SDL..\n");
//inicializujem SDL
if( SDL_Init(SDL_SUBSYSTEMS) == -1 )
{
fprintf(stderr, "%s\n", SDL_GetError());
SDL_Quit();
return -1;
}
//inicializujem okno
//screen = SDL_SetVideoMode(WINDOW_SIZE_X, WINDOW_SIZE_Y, 0, g_win_flags);
screen = SDL_SetVideoMode(WINDOW_SIZE_X, WINDOW_SIZE_Y, 0, g_win_flags);
fake_screen = SDL_CreateRGBSurface(screen->flags, WINDOW_SIZE_X, WINDOW_SIZE_Y,
screen->format->BitsPerPixel,
screen->format->Rmask, screen->format->Gmask,
screen->format->Bmask, screen->format->Amask);
if (screen == NULL )
{
fprintf(stderr, "%s\n", SDL_GetError());
SDL_Quit();
return -1;
}
SDL_WM_SetCaption(WINDOW_TITLE, NULL);
//SDL_ShowCursor(0);
//SDL_EnableKeyRepeat(1,1);
timer = SDL_AddTimer(INTERVAL, TimerCallback, NULL);
srand((unsigned)time(NULL));
isInterfaceInit = TRUE;
return 0;
}
SDL_Surface* getSDL_Screen()
{
//return fake_screen;
return screen;
}
void interfaceRefresh()
{
//SDL_BlitSurface(fake_screen, NULL, screen, NULL);
SDL_UpdateRect(screen, 0, 0, screen->w, screen->h);
//SDL_Flip(screen);
}
int toggleFullscreen()
{
if(g_win_flags & SDL_FULLSCREEN)
g_win_flags &= ~SDL_FULLSCREEN;
else
g_win_flags |= SDL_FULLSCREEN;
if( SDL_WM_ToggleFullScreen(screen) == 0 )
{
fprintf(stderr, "Nemozem prepnut do fullscreenu!\n");
SDL_FreeSurface(screen);
screen = SDL_SetVideoMode(WINDOW_SIZE_X, WINDOW_SIZE_Y, WIN_BPP, g_win_flags);
if(screen == NULL)
{
fprintf(stderr, "Nemozem premnut do okna:%s\n", SDL_GetError());
return 0;
}
}
return 1;
}
void getMousePosition(int *x, int *y)
{
SDL_GetMouseState(x, y);
}
int isMouseClicked()
{
return SDL_GetMouseState(NULL,NULL) & SDL_BUTTON(SDL_BUTTON_LEFT);
}
/*
static void action_esc()
{
if( strcmp(getScreen(), "world") == 0 )
{
setScreen("analyze");
}
if( strcmp(getScreen(), "mainMenu") == 0 )
{
quit();
}
}
*/
int eventAction()
{
SDL_Event event;
while(SDL_WaitEvent(&event))
{
switch(event.type)
{
case SDL_KEYDOWN:
switch(event.key.keysym.sym)
{
/*
case SDLK_ESCAPE:
action_esc();
return 0;
break;
*/
case SDLK_F1:
if(!toggleFullscreen())return 0;
break;
default:
break;
}
break;
case SDL_USEREVENT:
switch(event.user.code)
{
case USR_EVT_TIMER:
drawScreen();
eventScreen();
break;
default:
break;
}
break;
// Zmena velikosti okna
case SDL_VIDEORESIZE:
screen = SDL_SetVideoMode(event.resize.w,event.resize.h, WIN_BPP, g_win_flags);
if(screen == NULL)
{
fprintf(stderr, "Nemozem zmenit rozlisene okna: %s\n",SDL_GetError());
return 0;
}
break;
// Pozadavek na ukonceni
case SDL_QUIT:
return -1;
break;
default:
break;
}
}
return 0;
}
void eventSDL()
{
while(1)
{
if ( eventAction() == -1 )return;
}
}
void quitSDL()
{
printf("quit SDL..\n");
SDL_Quit();
isInterfaceInit = FALSE;
}
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