tron@2186: /* $Id$ */
tron@2186: 
tron@2189: #include "../stdafx.h"
tron@2189: 
tron@2189: #ifdef WITH_SDL
tron@2189: 
tron@2189: #include "../openttd.h"
tron@2189: #include "../debug.h"
tron@2189: #include "../functions.h"
tron@2189: #include "../gfx.h"
tron@2189: #include "../macros.h"
tron@2189: #include "../sdl.h"
tron@2189: #include "../window.h"
celestar@5642: #include "../network/network.h"
tron@2189: #include "../variables.h"
tron@2189: #include "sdl_v.h"
truelight@0: #include <SDL.h>
truelight@0: 
truelight@0: static SDL_Surface *_sdl_screen;
truelight@0: static bool _all_modes;
truelight@0: 
truelight@0: #define MAX_DIRTY_RECTS 100
truelight@0: static SDL_Rect _dirty_rects[MAX_DIRTY_RECTS];
truelight@0: static int _num_dirty_rects;
truelight@0: 
truelight@0: static void SdlVideoMakeDirty(int left, int top, int width, int height)
truelight@0: {
truelight@0: 	if (_num_dirty_rects < MAX_DIRTY_RECTS) {
truelight@0: 		_dirty_rects[_num_dirty_rects].x = left;
truelight@0: 		_dirty_rects[_num_dirty_rects].y = top;
truelight@0: 		_dirty_rects[_num_dirty_rects].w = width;
truelight@0: 		_dirty_rects[_num_dirty_rects].h = height;
truelight@0: 	}
truelight@0: 	_num_dirty_rects++;
truelight@0: }
truelight@0: 
tron@2226: static void UpdatePalette(uint start, uint count)
tron@423: {
tron@2226: 	SDL_Color pal[256];
truelight@0: 	uint i;
truelight@0: 
tron@2226: 	for (i = 0; i != count; i++) {
tron@2226: 		pal[i].r = _cur_palette[start + i].r;
tron@2226: 		pal[i].g = _cur_palette[start + i].g;
tron@2226: 		pal[i].b = _cur_palette[start + i].b;
tron@1991: 		pal[i].unused = 0;
truelight@0: 	}
truelight@0: 
tron@2226: 	SDL_CALL SDL_SetColors(_sdl_screen, pal, start, count);
truelight@0: }
truelight@0: 
tron@423: static void InitPalette(void)
tron@423: {
truelight@0: 	UpdatePalette(0, 256);
truelight@0: }
truelight@0: 
tron@423: static void CheckPaletteAnim(void)
truelight@0: {
tron@2226: 	if (_pal_last_dirty != -1) {
tron@2226: 		UpdatePalette(_pal_first_dirty, _pal_last_dirty - _pal_first_dirty + 1);
truelight@0: 		_pal_last_dirty = -1;
truelight@0: 	}
dominik@18: }
dominik@18: 
tron@423: static void DrawSurfaceToScreen(void)
dominik@18: {
tron@423: 	int n = _num_dirty_rects;
tron@423: 	if (n != 0) {
truelight@0: 		_num_dirty_rects = 0;
truelight@0: 		if (n > MAX_DIRTY_RECTS)
truelight@0: 			SDL_CALL SDL_UpdateRect(_sdl_screen, 0, 0, 0, 0);
tron@423: 		else
truelight@0: 			SDL_CALL SDL_UpdateRects(_sdl_screen, n, _dirty_rects);
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static const uint16 default_resolutions[][2] = {
tron@423: 	{ 640,  480},
tron@423: 	{ 800,  600},
tron@423: 	{1024,  768},
tron@423: 	{1152,  864},
darkvater@1028: 	{1280,  800},
tron@423: 	{1280,  960},
tron@423: 	{1280, 1024},
tron@423: 	{1400, 1050},
darkvater@1028: 	{1600, 1200},
darkvater@1028: 	{1680, 1050},
darkvater@1028: 	{1920, 1200}
truelight@0: };
truelight@0: 
tron@423: static void GetVideoModes(void)
tron@423: {
truelight@0: 	int i;
truelight@0: 	SDL_Rect **modes;
truelight@0: 
truelight@0: 	modes = SDL_CALL SDL_ListModes(NULL, SDL_SWSURFACE + (_fullscreen ? SDL_FULLSCREEN : 0));
truelight@0: 
tron@423: 	if (modes == NULL)
darkvater@245: 		error("sdl: no modes available");
dominik@119: 
darkvater@245: 	_all_modes = (modes == (void*)-1);
darkvater@245: 
darkvater@245: 	if (_all_modes) {
truelight@0: 		// all modes available, put some default ones here
truelight@0: 		memcpy(_resolutions, default_resolutions, sizeof(default_resolutions));
darkvater@245: 		_num_resolutions = lengthof(default_resolutions);
truelight@0: 	} else {
dominik@128: 		int n = 0;
tron@423: 		for (i = 0; modes[i]; i++) {
dominik@128: 			int w = modes[i]->w;
dominik@128: 			int h = modes[i]->h;
darkvater@306: 			if (IS_INT_INSIDE(w, 640, MAX_SCREEN_WIDTH + 1) &&
darkvater@306: 					IS_INT_INSIDE(h, 480, MAX_SCREEN_HEIGHT + 1)) {
dominik@128: 				int j;
Darkvater@1806: 				for (j = 0; j < n; j++) {
Darkvater@1806: 					if (_resolutions[j][0] == w && _resolutions[j][1] == h) break;
Darkvater@1806: 				}
Darkvater@1806: 
dominik@128: 				if (j == n) {
Darkvater@1806: 					_resolutions[j][0] = w;
Darkvater@1806: 					_resolutions[j][1] = h;
darkvater@245: 					if (++n == lengthof(_resolutions)) break;
dominik@128: 				}
truelight@0: 			}
truelight@0: 		}
truelight@0: 		_num_resolutions = n;
Darkvater@1806: 		SortResolutions(_num_resolutions);
truelight@0: 	}
truelight@0: }
truelight@0: 
tron@4501: static void GetAvailableVideoMode(int *w, int *h)
truelight@0: {
truelight@0: 	int i;
darkvater@306: 	int best;
darkvater@306: 	uint delta;
truelight@0: 
truelight@0: 	// all modes available?
tron@4501: 	if (_all_modes) return;
truelight@0: 
truelight@0: 	// is the wanted mode among the available modes?
darkvater@306: 	for (i = 0; i != _num_resolutions; i++) {
tron@4501: 		if (*w == _resolutions[i][0] && *h == _resolutions[i][1]) return;
truelight@0: 	}
truelight@0: 
darkvater@306: 	// use the closest possible resolution
darkvater@306: 	best = 0;
darkvater@306: 	delta = abs((_resolutions[0][0] - *w) * (_resolutions[0][1] - *h));
darkvater@306: 	for (i = 1; i != _num_resolutions; ++i) {
darkvater@306: 		uint newdelta = abs((_resolutions[i][0] - *w) * (_resolutions[i][1] - *h));
darkvater@306: 		if (newdelta < delta) {
darkvater@306: 			best = i;
darkvater@306: 			delta = newdelta;
darkvater@306: 		}
darkvater@306: 	}
darkvater@306: 	*w = _resolutions[best][0];
darkvater@306: 	*h = _resolutions[best][1];
truelight@0: }
truelight@0: 
Darkvater@4256: #ifndef ICON_DIR
Darkvater@4256: #define ICON_DIR "media"
Darkvater@4256: #endif
Darkvater@4256: 
Darkvater@4256: #ifdef WIN32
Darkvater@4256: /* Let's redefine the LoadBMP macro with because we are dynamically
Darkvater@4256:  * loading SDL and need to 'SDL_CALL' all functions */
Darkvater@4256: #undef SDL_LoadBMP
Darkvater@4256: #define SDL_LoadBMP(file)	SDL_LoadBMP_RW(SDL_CALL SDL_RWFromFile(file, "rb"), 1)
Darkvater@4256: #endif
Darkvater@4256: 
truelight@0: static bool CreateMainSurface(int w, int h)
truelight@0: {
Darkvater@4840: 	extern const char _openttd_revision[];
Darkvater@4256: 	SDL_Surface *newscreen, *icon;
Darkvater@1474: 	char caption[50];
truelight@0: 
truelight@0: 	GetAvailableVideoMode(&w, &h);
truelight@0: 
Darkvater@5568: 	DEBUG(driver, 1, "SDL: using mode %dx%d", w, h);
truelight@0: 
Darkvater@4256: 	/* Give the application an icon */
Darkvater@4256: 	icon = SDL_CALL SDL_LoadBMP(ICON_DIR PATHSEP "openttd.32.bmp");
Darkvater@4256: 	if (icon != NULL) {
Darkvater@4256: 		/* Get the colourkey, which will be magenta */
Darkvater@4256: 		uint32 rgbmap = SDL_CALL SDL_MapRGB(icon->format, 255, 0, 255);
tron@4507: 
Darkvater@4256: 		SDL_CALL SDL_SetColorKey(icon, SDL_SRCCOLORKEY, rgbmap);
Darkvater@4256: 		SDL_CALL SDL_WM_SetIcon(icon, NULL);
Darkvater@4256: 		SDL_CALL SDL_FreeSurface(icon);
Darkvater@4256: 	}
Darkvater@4256: 
darkvater@36: 	// DO NOT CHANGE TO HWSURFACE, IT DOES NOT WORK
tron@423: 	newscreen = SDL_CALL SDL_SetVideoMode(w, h, 8, SDL_SWSURFACE | SDL_HWPALETTE | (_fullscreen ? SDL_FULLSCREEN : SDL_RESIZABLE));
tron@423: 	if (newscreen == NULL)
truelight@0: 		return false;
truelight@0: 
darkvater@306: 	_screen.width = newscreen->w;
darkvater@306: 	_screen.height = newscreen->h;
darkvater@306: 	_screen.pitch = newscreen->pitch;
darkvater@306: 
truelight@0: 	_sdl_screen = newscreen;
truelight@0: 	InitPalette();
truelight@0: 
Darkvater@1474: 	snprintf(caption, sizeof(caption), "OpenTTD %s", _openttd_revision);
dominik@902: 	SDL_CALL SDL_WM_SetCaption(caption, caption);
truelight@0: 	SDL_CALL SDL_ShowCursor(0);
truelight@0: 
darkvater@306: 	GameSizeChanged();
truelight@0: 
truelight@0: 	return true;
truelight@0: }
truelight@0: 
tron@423: typedef struct VkMapping {
truelight@0: 	uint16 vk_from;
truelight@0: 	byte vk_count;
truelight@0: 	byte map_to;
truelight@0: } VkMapping;
truelight@0: 
tron@423: #define AS(x, z) {x, 0, z}
tron@423: #define AM(x, y, z, w) {x, y - x, z}
truelight@0: 
truelight@0: static const VkMapping _vk_mapping[] = {
truelight@0: 	// Pageup stuff + up/down
tron@423: 	AM(SDLK_PAGEUP, SDLK_PAGEDOWN, WKC_PAGEUP, WKC_PAGEDOWN),
rubidium@4434: 	AS(SDLK_UP,     WKC_UP),
rubidium@4434: 	AS(SDLK_DOWN,   WKC_DOWN),
rubidium@4434: 	AS(SDLK_LEFT,   WKC_LEFT),
rubidium@4434: 	AS(SDLK_RIGHT,  WKC_RIGHT),
truelight@0: 
rubidium@4434: 	AS(SDLK_HOME,   WKC_HOME),
rubidium@4434: 	AS(SDLK_END,    WKC_END),
truelight@0: 
rubidium@4434: 	AS(SDLK_INSERT, WKC_INSERT),
rubidium@4434: 	AS(SDLK_DELETE, WKC_DELETE),
truelight@0: 
truelight@0: 	// Map letters & digits
tron@423: 	AM(SDLK_a, SDLK_z, 'A', 'Z'),
tron@423: 	AM(SDLK_0, SDLK_9, '0', '9'),
truelight@0: 
rubidium@4434: 	AS(SDLK_ESCAPE,    WKC_ESC),
rubidium@4434: 	AS(SDLK_PAUSE,     WKC_PAUSE),
rubidium@4434: 	AS(SDLK_BACKSPACE, WKC_BACKSPACE),
truelight@0: 
rubidium@4434: 	AS(SDLK_SPACE,     WKC_SPACE),
rubidium@4434: 	AS(SDLK_RETURN,    WKC_RETURN),
rubidium@4434: 	AS(SDLK_TAB,       WKC_TAB),
truelight@0: 
truelight@0: 	// Function keys
tron@423: 	AM(SDLK_F1, SDLK_F12, WKC_F1, WKC_F12),
truelight@0: 
truelight@0: 	// Numeric part.
truelight@0: 	// What is the virtual keycode for numeric enter??
tron@423: 	AM(SDLK_KP0, SDLK_KP9, WKC_NUM_0, WKC_NUM_9),
rubidium@4434: 	AS(SDLK_KP_DIVIDE,   WKC_NUM_DIV),
rubidium@4434: 	AS(SDLK_KP_MULTIPLY, WKC_NUM_MUL),
rubidium@4434: 	AS(SDLK_KP_MINUS,    WKC_NUM_MINUS),
rubidium@4434: 	AS(SDLK_KP_PLUS,     WKC_NUM_PLUS),
rubidium@4434: 	AS(SDLK_KP_ENTER,    WKC_NUM_ENTER),
rubidium@4434: 	AS(SDLK_KP_PERIOD,   WKC_NUM_DECIMAL)
truelight@0: };
truelight@0: 
truelight@0: static uint32 ConvertSdlKeyIntoMy(SDL_keysym *sym)
truelight@0: {
tron@2026: 	const VkMapping *map;
tron@423: 	uint key = 0;
tron@4507: 
tron@423: 	for (map = _vk_mapping; map != endof(_vk_mapping); ++map) {
tron@423: 		if ((uint)(sym->sym - map->vk_from) <= map->vk_count) {
tron@423: 			key = sym->sym - map->vk_from + map->map_to;
truelight@0: 			break;
truelight@0: 		}
truelight@0: 	}
dominik@129: 
dominik@129: 	// check scancode for BACKQUOTE key, because we want the key left of "1", not anything else (on non-US keyboards)
truelight@810: #if defined(WIN32) || defined(__OS2__)
Darkvater@5099: 	if (sym->scancode == 41) key = WKC_BACKQUOTE;
tron@423: #elif defined(__APPLE__)
Darkvater@5099: 	if (sym->scancode == 10) key = WKC_BACKQUOTE;
tron@423: #elif defined(__MORPHOS__)
Darkvater@5099: 	if (sym->scancode == 0)  key = WKC_BACKQUOTE;  // yes, that key is code '0' under MorphOS :)
tron@435: #elif defined(__BEOS__)
Darkvater@5099: 	if (sym->scancode == 17) key = WKC_BACKQUOTE;
bjarni@570: #elif defined(__SVR4) && defined(__sun)
Darkvater@5099: 	if (sym->scancode == 60) key = WKC_BACKQUOTE;
Darkvater@5099: 	if (sym->scancode == 49) key = WKC_BACKSPACE;
Darkvater@1810: #elif defined(__sgi__)
Darkvater@5099: 	if (sym->scancode == 22) key = WKC_BACKQUOTE;
darkvater@135: #else
Darkvater@5099: 	if (sym->scancode == 49) key = WKC_BACKQUOTE;
darkvater@135: #endif
bjarni@572: 
truelight@0: 	// META are the command keys on mac
tron@4507: 	if (sym->mod & KMOD_META)  key |= WKC_META;
truelight@0: 	if (sym->mod & KMOD_SHIFT) key |= WKC_SHIFT;
tron@4507: 	if (sym->mod & KMOD_CTRL)  key |= WKC_CTRL;
tron@4507: 	if (sym->mod & KMOD_ALT)   key |= WKC_ALT;
tron@423: 	// these two lines really help porting hotkey combos. Uncomment to use -- Bjarni
tron@4507: #if 0
Darkvater@5568: 	DEBUG(driver, 0, "Scancode character pressed %u", sym->scancode);
Darkvater@5568: 	DEBUG(driver, 0, "Unicode character pressed %u", sym->unicode);
tron@4507: #endif
truelight@0: 	return (key << 16) + sym->unicode;
truelight@0: }
truelight@0: 
tron@423: static int PollEvent(void)
tron@423: {
truelight@0: 	SDL_Event ev;
truelight@0: 
tron@4507: 	if (!SDL_CALL SDL_PollEvent(&ev)) return -2;
truelight@0: 
tron@423: 	switch (ev.type) {
tron@4507: 		case SDL_MOUSEMOTION:
tron@4507: 			if (_cursor.fix_at) {
tron@4507: 				int dx = ev.motion.x - _cursor.pos.x;
tron@4507: 				int dy = ev.motion.y - _cursor.pos.y;
tron@4507: 				if (dx != 0 || dy != 0) {
tron@4507: 					_cursor.delta.x += dx;
tron@4507: 					_cursor.delta.y += dy;
tron@4507: 					SDL_CALL SDL_WarpMouse(_cursor.pos.x, _cursor.pos.y);
tron@4507: 				}
tron@4507: 			} else {
tron@4507: 				_cursor.delta.x = ev.motion.x - _cursor.pos.x;
tron@4507: 				_cursor.delta.y = ev.motion.y - _cursor.pos.y;
tron@4507: 				_cursor.pos.x = ev.motion.x;
tron@4507: 				_cursor.pos.y = ev.motion.y;
tron@4507: 				_cursor.dirty = true;
truelight@0: 			}
Darkvater@5090: 			HandleMouseEvents();
tron@4507: 			break;
truelight@0: 
tron@4507: 		case SDL_MOUSEBUTTONDOWN:
tron@4508: 			if (_rightclick_emulate && SDL_CALL SDL_GetModState() & KMOD_CTRL) {
tron@4507: 				ev.button.button = SDL_BUTTON_RIGHT;
tron@4507: 			}
Darkvater@3312: 
tron@4507: 			switch (ev.button.button) {
tron@4507: 				case SDL_BUTTON_LEFT:
tron@4507: 					_left_button_down = true;
tron@4507: 					break;
truelight@0: 
tron@4507: 				case SDL_BUTTON_RIGHT:
tron@4507: 					_right_button_down = true;
tron@4507: 					_right_button_clicked = true;
tron@4507: 					break;
Darkvater@1806: 
tron@4507: 				case SDL_BUTTON_WHEELUP:   _cursor.wheel--; break;
tron@4507: 				case SDL_BUTTON_WHEELDOWN: _cursor.wheel++; break;
truelight@193: 
tron@4507: 				default: break;
tron@4507: 			}
Darkvater@5090: 			HandleMouseEvents();
tron@4507: 			break;
tron@4507: 
tron@4507: 		case SDL_MOUSEBUTTONUP:
tron@4507: 			if (_rightclick_emulate) {
tron@4507: 				_right_button_down = false;
tron@4507: 				_left_button_down = false;
tron@4507: 				_left_button_clicked = false;
tron@4507: 			} else if (ev.button.button == SDL_BUTTON_LEFT) {
tron@4507: 				_left_button_down = false;
tron@4507: 				_left_button_clicked = false;
tron@4507: 			} else if (ev.button.button == SDL_BUTTON_RIGHT) {
tron@4507: 				_right_button_down = false;
tron@4507: 			}
Darkvater@5090: 			HandleMouseEvents();
tron@4507: 			break;
tron@4507: 
tron@4507: 		case SDL_ACTIVEEVENT:
tron@4507: 			if (!(ev.active.state & SDL_APPMOUSEFOCUS)) break;
tron@4507: 
tron@4507: 			if (ev.active.gain) { // mouse entered the window, enable cursor
tron@4507: 				_cursor.in_window = true;
tron@4507: 			} else {
tron@4507: 				UndrawMouseCursor(); // mouse left the window, undraw cursor
tron@4507: 				_cursor.in_window = false;
tron@4507: 			}
tron@4507: 			break;
tron@4507: 
rubidium@4548: 		case SDL_QUIT: HandleExitGameRequest(); break;
tron@4507: 
rubidium@4548: 		case SDL_KEYDOWN: /* Toggle full-screen on ALT + ENTER/F */
tron@4507: 			if ((ev.key.keysym.mod & (KMOD_ALT | KMOD_META)) &&
tron@4507: 					(ev.key.keysym.sym == SDLK_RETURN || ev.key.keysym.sym == SDLK_f)) {
tron@4507: 				ToggleFullScreen(!_fullscreen);
tron@4507: 			} else {
Darkvater@5086: 				HandleKeypress(ConvertSdlKeyIntoMy(&ev.key.keysym));
tron@4507: 			}
tron@4507: 			break;
tron@4507: 
tron@4507: 		case SDL_VIDEORESIZE: {
tron@4507: 			int w = clamp(ev.resize.w, 64, MAX_SCREEN_WIDTH);
tron@4507: 			int h = clamp(ev.resize.h, 64, MAX_SCREEN_HEIGHT);
tron@4507: 			ChangeResInGame(w, h);
tron@4507: 			break;
tron@4507: 		}
truelight@0: 	}
truelight@0: 	return -1;
truelight@0: }
truelight@0: 
tron@1301: static const char *SdlVideoStart(const char * const *parm)
truelight@0: {
tron@423: 	char buf[30];
truelight@0: 
tron@423: 	const char *s = SdlOpen(SDL_INIT_VIDEO);
tron@423: 	if (s != NULL) return s;
truelight@0: 
truelight@0: 	SDL_CALL SDL_VideoDriverName(buf, 30);
Darkvater@5568: 	DEBUG(driver, 1, "SDL: using driver '%s'", buf);
truelight@0: 
truelight@0: 	GetVideoModes();
truelight@0: 	CreateMainSurface(_cur_resolution[0], _cur_resolution[1]);
truelight@0: 	MarkWholeScreenDirty();
truelight@0: 
truelight@0: 	SDL_CALL SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
truelight@0: 	SDL_CALL SDL_EnableUNICODE(1);
truelight@0: 	return NULL;
truelight@0: }
truelight@0: 
tron@423: static void SdlVideoStop(void)
truelight@0: {
truelight@0: 	SdlClose(SDL_INIT_VIDEO);
truelight@0: }
truelight@0: 
tron@2228: static void SdlVideoMainLoop(void)
truelight@0: {
celestar@5648: 	uint32 cur_ticks = SDL_CALL SDL_GetTicks();
celestar@5648: 	uint32 next_tick = cur_ticks + 30;
tron@423: 	uint32 pal_tick = 0;
truelight@0: 	uint32 mod;
truelight@0: 	int numkeys;
truelight@0: 	Uint8 *keys;
truelight@0: 
tron@423: 	for (;;) {
celestar@5648: 		uint32 prev_cur_ticks = cur_ticks; // to check for wrapping
truelight@0: 		InteractiveRandom(); // randomness
truelight@193: 
Darkvater@5089: 		while (PollEvent() == -1) {}
tron@2228: 		if (_exit_game) return;
truelight@0: 
dominik@18: 		mod = SDL_CALL SDL_GetModState();
truelight@193: 		keys = SDL_CALL SDL_GetKeyState(&numkeys);
truelight@0: #if defined(_DEBUG)
tron@423: 		if (_shift_pressed)
truelight@0: #else
celestar@5642: 		/* Speedup when pressing tab, except when using ALT+TAB
celestar@5642: 		 * to switch to another application */
celestar@5642: 		if (keys[SDLK_TAB] && (mod & KMOD_ALT) == 0)
truelight@0: #endif
tron@423: 		{
rubidium@4536: 			if (!_networking && _game_mode != GM_MENU) _fast_forward |= 2;
tron@423: 		} else if (_fast_forward & 2) {
truelight@0: 			_fast_forward = 0;
truelight@0: 		}
truelight@0: 
tron@423: 		cur_ticks = SDL_CALL SDL_GetTicks();
celestar@5648: 		if (cur_ticks >= next_tick || (_fast_forward && !_pause) || cur_ticks < prev_cur_ticks) {
celestar@5648: 			next_tick = cur_ticks + 30;
dominik@18: 
tron@4508: 			_ctrl_pressed  = !!(mod & KMOD_CTRL);
tron@4508: 			_shift_pressed = !!(mod & KMOD_SHIFT);
tron@2664: #ifdef _DEBUG
dominik@302: 			_dbg_screen_rect = !!(mod & KMOD_CAPS);
tron@2664: #endif
truelight@193: 
dominik@18: 			// determine which directional keys are down
truelight@193: 			_dirkeys =
tron@423: 				(keys[SDLK_LEFT]  ? 1 : 0) |
tron@423: 				(keys[SDLK_UP]    ? 2 : 0) |
tron@423: 				(keys[SDLK_RIGHT] ? 4 : 0) |
tron@423: 				(keys[SDLK_DOWN]  ? 8 : 0);
dominik@18: 			GameLoop();
dominik@18: 
celestar@5650: 			_screen.dst_ptr = (Pixel*)_sdl_screen->pixels;
dominik@18: 			UpdateWindows();
tron@423: 			if (++pal_tick > 4) {
tron@423: 				CheckPaletteAnim();
tron@423: 				pal_tick = 1;
truelight@0: 			}
tron@2026: 			DrawSurfaceToScreen();
truelight@0: 		} else {
dominik@18: 			SDL_CALL SDL_Delay(1);
celestar@5650: 			_screen.dst_ptr = (Pixel*)_sdl_screen->pixels;
truelight@543: 			DrawTextMessage();
dominik@18: 			DrawMouseCursor();
dominik@18: 			DrawSurfaceToScreen();
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static bool SdlVideoChangeRes(int w, int h)
truelight@0: {
tron@2169: 	return CreateMainSurface(w, h);
truelight@0: }
truelight@0: 
Darkvater@1829: static void SdlVideoFullScreen(bool full_screen)
Darkvater@1806: {
Darkvater@1808: 	_fullscreen = full_screen;
Darkvater@1806: 	GetVideoModes(); // get the list of available video modes
rubidium@5217: 	if (_num_resolutions == 0 || !_video_driver->change_resolution(_cur_resolution[0], _cur_resolution[1])) {
tron@4507: 		// switching resolution failed, put back full_screen to original status
tron@4507: 		_fullscreen ^= true;
tron@4507: 	}
Darkvater@1806: }
Darkvater@1806: 
truelight@0: const HalVideoDriver _sdl_video_driver = {
truelight@0: 	SdlVideoStart,
truelight@0: 	SdlVideoStop,
truelight@0: 	SdlVideoMakeDirty,
truelight@0: 	SdlVideoMainLoop,
truelight@0: 	SdlVideoChangeRes,
Darkvater@1829: 	SdlVideoFullScreen,
truelight@0: };
tron@2189: 
tron@2189: #endif