void UTIL_DelayEx(unsigned int ms, unsigned int delay)
{
unsigned int t = SDL_GetTicks() + ms;
PAL_ProcessEvent();
while (SDL_GetTicks() < t)
{
PAL_ProcessEvent();
SDL_Delay(delay);
}
#ifdef PAL_HAS_NATIVEMIDI
MIDI_CheckLoop();
#endif
}
void
UTIL_Delay(
unsigned int ms
)
{
unsigned int t = SDL_GetTicks() + ms;
while (PAL_PollEvent(NULL));
while (SDL_GetTicks() < t)
{
SDL_Delay(1);
while (PAL_PollEvent(NULL));
}
#ifdef PAL_HAS_NATIVEMIDI
MIDI_CheckLoop();
#endif
}
/**
* Handle joystick events.
*
* @param[in] lpEvent - pointer to the event.
* @return None
*/
static VOID PAL_JoystickEventFilter(const SDL_Event *lpEvent)
{
#ifdef PAL_HAS_JOYSTICKS
switch (lpEvent->type) {
#if defined (GEKKO)
case SDL_JOYHATMOTION:
switch (lpEvent->jhat.value)
{
case SDL_HAT_LEFT:
g_InputState.prevdir = (gpGlobals->fInBattle ? kDirUnknown : g_InputState.dir);
g_InputState.dir = kDirWest;
g_InputState.dwKeyPress = kKeyLeft;
break;
case SDL_HAT_RIGHT:
g_InputState.prevdir = (gpGlobals->fInBattle ? kDirUnknown : g_InputState.dir);
g_InputState.dir = kDirEast;
g_InputState.dwKeyPress = kKeyRight;
break;
case SDL_HAT_UP:
g_InputState.prevdir = (gpGlobals->fInBattle ? kDirUnknown : g_InputState.dir);
g_InputState.dir = kDirNorth;
g_InputState.dwKeyPress = kKeyUp;
break;
case SDL_HAT_DOWN:
g_InputState.prevdir = (gpGlobals->fInBattle ? kDirUnknown : g_InputState.dir);
g_InputState.dir = kDirSouth;
g_InputState.dwKeyPress = kKeyDown;
break;
}
break;
#else
case SDL_JOYAXISMOTION:
//
// Moved an axis on joystick
//
switch (lpEvent->jaxis.axis) {
case 0:
//
// X axis
//
#if defined(GPH)
if (lpEvent->jaxis.value > MAX_DEADZONE) {
g_InputState.prevdir = (gpGlobals->fInBattle ? kDirUnknown : g_InputState.dir);
g_InputState.dir = kDirEast;
g_InputState.dwKeyPress = kKeyRight;
} else if (lpEvent->jaxis.value < MIN_DEADZONE) {
g_InputState.prevdir = (gpGlobals->fInBattle ? kDirUnknown : g_InputState.dir);
g_InputState.dir = kDirWest;
g_InputState.dwKeyPress = kKeyLeft;
} else {
g_InputState.dir = kDirUnknown;
}
#else
if (lpEvent->jaxis.value > 20000) {
if (g_InputState.dir != kDirEast) {
g_InputState.dwKeyPress |= kKeyRight;
}
g_InputState.prevdir = g_InputState.dir;
g_InputState.dir = kDirEast;
} else if (lpEvent->jaxis.value < -20000) {
if (g_InputState.dir != kDirWest) {
g_InputState.dwKeyPress |= kKeyLeft;
}
g_InputState.prevdir = g_InputState.dir;
g_InputState.dir = kDirWest;
} else {
if (g_InputState.prevdir != kDirEast &&
g_InputState.prevdir != kDirWest) {
g_InputState.dir = g_InputState.prevdir;
}
g_InputState.prevdir = kDirUnknown;
}
#endif
break;
case 1:
//
// Y axis
//
#if defined(GPH)
if (lpEvent->jaxis.value > MAX_DEADZONE) {
g_InputState.prevdir = (gpGlobals->fInBattle ? kDirUnknown : g_InputState.dir);
g_InputState.dir = kDirSouth;
g_InputState.dwKeyPress = kKeyDown;
} else if (lpEvent->jaxis.value < MIN_DEADZONE) {
g_InputState.prevdir = (gpGlobals->fInBattle ? kDirUnknown : g_InputState.dir);
g_InputState.dir = kDirNorth;
g_InputState.dwKeyPress = kKeyUp;
} else {
g_InputState.dir = kDirUnknown;
}
#else
if (lpEvent->jaxis.value > 20000) {
if (g_InputState.dir != kDirSouth) {
g_InputState.dwKeyPress |= kKeyDown;
}
g_InputState.prevdir = g_InputState.dir;
g_InputState.dir = kDirSouth;
} else if (lpEvent->jaxis.value < -20000) {
if (g_InputState.dir != kDirNorth) {
g_InputState.dwKeyPress |= kKeyUp;
}
g_InputState.prevdir = g_InputState.dir;
g_InputState.dir = kDirNorth;
} else {
if (g_InputState.prevdir != kDirNorth &&
g_InputState.prevdir != kDirSouth) {
g_InputState.dir = g_InputState.prevdir;
}
g_InputState.prevdir = kDirUnknown;
}
#endif
break;
}
break;
#endif
case SDL_JOYBUTTONDOWN:
//
// Pressed the joystick button
//
#if defined(GPH)
switch (lpEvent->jbutton.button)
{
#if defined(GP2XWIZ)
case 14:
#elif defined(CAANOO)
case 3:
#endif
g_InputState.dwKeyPress = kKeyMenu;
break;
#if defined(GP2XWIZ)
case 13:
#elif defined(CAANOO)
case 2:
#endif
g_InputState.dwKeyPress = kKeySearch;
break;
#else
#if defined(GEKKO)
switch (lpEvent->jbutton.button)
{
case 2:
g_InputState.dwKeyPress |= kKeyMenu;
break;
case 3:
g_InputState.dwKeyPress |= kKeySearch;
break;
#else
switch (lpEvent->jbutton.button & 1) {
case 0:
g_InputState.dwKeyPress |= kKeyMenu;
break;
case 1:
g_InputState.dwKeyPress |= kKeySearch;
break;
#endif
#endif
}
break;
}
#endif
}
#ifdef PAL_HAS_TOUCH
#define TOUCH_NONE 0
#define TOUCH_UP 1
#define TOUCH_DOWN 2
#define TOUCH_LEFT 3
#define TOUCH_RIGHT 4
#define TOUCH_BUTTON1 5
#define TOUCH_BUTTON2 6
#define TOUCH_BUTTON3 7
#define TOUCH_BUTTON4 8
static int
PAL_GetTouchArea(
float X,
float Y
)
{
if (Y < 0.5)
{
//
// Upper area
//
return TOUCH_NONE;
}
else if (X < 1.0 / 3)
{
if (Y - 0.5 < (1.0 / 6 - fabs(X - 1.0 / 3 / 2)) * (0.5 / (1.0 / 3)))
{
return TOUCH_UP;
}
else if (Y - 0.75 > fabs(X - 1.0 / 3 / 2) * (0.5 / (1.0 / 3)))
{
return TOUCH_DOWN;
}
else if (X < 1.0 / 3 / 2 && fabs(Y - 0.75) < 0.25 - X * (0.5 / (1.0 / 3)))
{
return TOUCH_LEFT;
}
else
{
return TOUCH_RIGHT;
}
}
else if (X > 1.0 - 1.0 / 3)
{
if (X < 1.0 - (1.0 / 3 / 2))
{
if (Y < 0.75)
{
return TOUCH_BUTTON1;
}
else
{
return TOUCH_BUTTON3;
}
}
else
{
if (Y < 0.75)
{
return TOUCH_BUTTON2;
}
else
{
return TOUCH_BUTTON4;
}
}
}
return TOUCH_NONE;
}
static VOID
PAL_SetTouchAction(
int area
)
{
switch (area)
{
case TOUCH_UP:
g_InputState.dir = kDirNorth;
g_InputState.dwKeyPress |= kKeyUp;
break;
case TOUCH_DOWN:
g_InputState.dir = kDirSouth;
g_InputState.dwKeyPress |= kKeyDown;
break;
case TOUCH_LEFT:
g_InputState.dir = kDirWest;
g_InputState.dwKeyPress |= kKeyLeft;
break;
case TOUCH_RIGHT:
g_InputState.dir = kDirEast;
g_InputState.dwKeyPress |= kKeyRight;
break;
case TOUCH_BUTTON1:
if (gpGlobals->fInBattle)
{
g_InputState.dwKeyPress |= kKeyRepeat;
}
else
{
g_InputState.dwKeyPress |= kKeyForce;
}
break;
case TOUCH_BUTTON2:
g_InputState.dwKeyPress |= kKeyMenu;
break;
case TOUCH_BUTTON3:
g_InputState.dwKeyPress |= kKeyUseItem;
break;
case TOUCH_BUTTON4:
g_InputState.dwKeyPress |= kKeySearch;
break;
}
}
static VOID
PAL_UnsetTouchAction(
int area
)
{
switch (area)
{
case TOUCH_UP:
case TOUCH_DOWN:
case TOUCH_LEFT:
case TOUCH_RIGHT:
g_InputState.dir = kDirUnknown;
break;
}
}
#endif
/**
* Handle touch events.
*
* @param[in] lpEvent - pointer to the event.
* @return None
*/
static VOID PAL_TouchEventFilter(const SDL_Event *lpEvent)
{
#ifdef PAL_HAS_TOUCH
static SDL_TouchID finger1 = -1, finger2 = -1;
static int prev_touch1 = TOUCH_NONE;
static int prev_touch2 = TOUCH_NONE;
switch (lpEvent->type)
{
case SDL_FINGERDOWN:
if (finger1 == -1)
{
int area = PAL_GetTouchArea(lpEvent->tfinger.x, lpEvent->tfinger.y);
finger1 = lpEvent->tfinger.fingerId;
prev_touch1 = area;
PAL_SetTouchAction(area);
}
else if (finger2 == -1)
{
int area = PAL_GetTouchArea(lpEvent->tfinger.x, lpEvent->tfinger.y);
finger2 = lpEvent->tfinger.fingerId;
prev_touch2 = area;
PAL_SetTouchAction(area);
}
break;
case SDL_FINGERUP:
if (lpEvent->tfinger.fingerId == finger1)
{
PAL_UnsetTouchAction(prev_touch1);
finger1 = -1;
prev_touch1 = TOUCH_NONE;
}
else if (lpEvent->tfinger.fingerId == finger2)
{
PAL_UnsetTouchAction(prev_touch2);
finger2 = -1;
prev_touch2 = TOUCH_NONE;
}
break;
case SDL_FINGERMOTION:
if (lpEvent->tfinger.fingerId == finger1)
{
int area = PAL_GetTouchArea(lpEvent->tfinger.x, lpEvent->tfinger.y);
if (prev_touch1 != area && area != TOUCH_NONE)
{
PAL_UnsetTouchAction(prev_touch1);
prev_touch1 = area;
PAL_SetTouchAction(area);
}
}
else if (lpEvent->tfinger.fingerId == finger2)
{
int area = PAL_GetTouchArea(lpEvent->tfinger.x, lpEvent->tfinger.y);
if (prev_touch2 != area && area != TOUCH_NONE)
{
PAL_UnsetTouchAction(prev_touch2);
prev_touch2 = area;
PAL_SetTouchAction(area);
}
}
break;
}
#endif
}
/**
* SDL event filter function. A filter to process all events.
*
* @param[in] lpEvent - pointer to the event.
* @retval 1 = the event will be added to the internal queue.
* @retval 0 = the event will be dropped from the queue.
*/
static int SDLCALL PAL_EventFilter(const SDL_Event *lpEvent)
{
switch (lpEvent->type) {
#if SDL_VERSION_ATLEAST(2, 0, 0)
case SDL_WINDOWEVENT:
if (lpEvent->window.event == SDL_WINDOWEVENT_RESIZED) {
//
// resized the window
//
VIDEO_Resize(lpEvent->window.data1, lpEvent->window.data2);
}
break;
#ifdef __IOS__
case SDL_APP_WILLENTERBACKGROUND:
g_bRenderPaused = TRUE;
break;
case SDL_APP_DIDENTERFOREGROUND:
g_bRenderPaused = FALSE;
VIDEO_UpdateScreen(NULL);
break;
#endif
#else
case SDL_VIDEORESIZE:
//
// resized the window
//
VIDEO_Resize(lpEvent->resize.w, lpEvent->resize.h);
break;
#endif
case SDL_QUIT:
//
// clicked on the close button of the window. Quit immediately.
//
PAL_Shutdown();
exit(0);
}
PAL_KeyboardEventFilter(lpEvent);
PAL_MouseEventFilter(lpEvent);
PAL_JoystickEventFilter(lpEvent);
PAL_TouchEventFilter(lpEvent);
//
// All events are handled here; don't put anything to the internal queue
//
return 0;
}
/**
* Clear the record of pressed keys.
*/
VOID PAL_ClearKeyState(VOID)
{
g_InputState.dwKeyPress = 0;
}
/**
* Initialize the input subsystem.
*/
VOID PAL_InitInput(VOID)
{
memset((void *) &g_InputState, 0, sizeof(g_InputState));
g_InputState.dir = kDirUnknown;
g_InputState.prevdir = kDirUnknown;
//
// Check for joystick
//
#ifdef PAL_HAS_JOYSTICKS
if (SDL_NumJoysticks() > 0 && g_fUseJoystick) {
g_pJoy = SDL_JoystickOpen(0);
//
// HACKHACK: applesmc and Android Accelerometer shouldn't be considered as real joysticks
//
if (strcmp(SDL_JoystickName(g_pJoy), "applesmc") == 0 || strcmp(SDL_JoystickName(g_pJoy), "Android Accelerometer") == 0) {
SDL_JoystickClose(g_pJoy);
if (SDL_NumJoysticks() > 1) {
g_pJoy = SDL_JoystickOpen(1);
} else {
g_pJoy = NULL;
}
}
if (g_pJoy != NULL) {
SDL_JoystickEventState(SDL_ENABLE);
}
}
#endif
#ifdef PAL_ALLOW_KEYREPEAT
SDL_EnableKeyRepeat(0, 0);
#endif
}
/**
* Shutdown the input subsystem.
*/
VOID PAL_ShutdownInput(VOID)
{
#ifdef PAL_HAS_JOYSTICKS
#if SDL_VERSION_ATLEAST(2, 0, 0)
if (g_pJoy != NULL) {
SDL_JoystickClose(g_pJoy);
g_pJoy = NULL;
}
#else
if (SDL_JoystickOpened(0))
{
assert(g_pJoy != NULL);
SDL_JoystickClose(g_pJoy);
g_pJoy = NULL;
}
#endif
#endif
}
/**
* Process all events.
*/
VOID PAL_ProcessEvent(VOID)
{
#ifdef PAL_HAS_NATIVEMIDI
MIDI_CheckLoop();
#endif
while (PAL_PollEvent(NULL));
}
/**
* Poll and process one event.
*
* @param[out] event - Events polled from SDL.
* @return value of PAL_PollEvent
*/
int PAL_PollEvent(SDL_Event *event)
{
SDL_Event evt;
int ret = SDL_PollEvent(&evt);
if (ret != 0) {
PAL_EventFilter(&evt);
}
if (event != NULL) {
*event = evt;
}
return ret;
}
static VOID
PAL_JoystickEventFilter(
const SDL_Event *lpEvent
)
/*++
Purpose:
Handle joystick events.
Parameters:
[IN] lpEvent - pointer to the event.
Return value:
None.
--*/
{
#ifdef PAL_HAS_JOYSTICKS
switch (lpEvent->type)
{
#if defined (GEKKO)
case SDL_JOYHATMOTION:
switch (lpEvent->jhat.value)
{
case SDL_HAT_LEFT:
g_InputState.dir = kDirWest;
g_InputState.dwKeyPress = kKeyLeft;
break;
case SDL_HAT_RIGHT:
g_InputState.dir = kDirEast;
g_InputState.dwKeyPress = kKeyRight;
break;
case SDL_HAT_UP:
g_InputState.dir = kDirNorth;
g_InputState.dwKeyPress = kKeyUp;
break;
case SDL_HAT_DOWN:
g_InputState.dir = kDirSouth;
g_InputState.dwKeyPress = kKeyDown;
break;
}
break;
#else
case SDL_JOYAXISMOTION:
//
// Moved an axis on joystick
//
switch (lpEvent->jaxis.axis)
{
case 0:
//
// X axis
//
#if defined(GPH)
if (lpEvent->jaxis.value > MAX_DEADZONE) {
g_InputState.dir = kDirEast;
g_InputState.dwKeyPress = kKeyRight;
} else if (lpEvent->jaxis.value < MIN_DEADZONE) {
g_InputState.dir = kDirWest;
g_InputState.dwKeyPress = kKeyLeft;
} else {
g_InputState.dir = kDirUnknown;
}
#else
if (lpEvent->jaxis.value > 20000)
{
if (g_InputState.dir != kDirEast)
{
g_InputState.dwKeyPress |= kKeyRight;
}
g_InputState.dir = kDirEast;
}
else if (lpEvent->jaxis.value < -20000)
{
if (g_InputState.dir != kDirWest)
{
g_InputState.dwKeyPress |= kKeyLeft;
}
g_InputState.dir = kDirWest;
}
else
{
g_InputState.dir = kDirUnknown;
}
#endif
break;
case 1:
//
// Y axis
//
#if defined(GPH)
if (lpEvent->jaxis.value > MAX_DEADZONE) {
g_InputState.prevdir = (gpGlobals->fInBattle ? kDirUnknown : g_InputState.dir);
g_InputState.dir = kDirSouth;
g_InputState.dwKeyPress = kKeyDown;
} else if (lpEvent->jaxis.value < MIN_DEADZONE) {
g_InputState.prevdir = (gpGlobals->fInBattle ? kDirUnknown : g_InputState.dir);
g_InputState.dir = kDirNorth;
g_InputState.dwKeyPress = kKeyUp;
} else {
g_InputState.dir = kDirUnknown;
}
#else
if (lpEvent->jaxis.value > 20000)
{
if (g_InputState.dir != kDirSouth)
{
g_InputState.dwKeyPress |= kKeyDown;
}
g_InputState.dir = kDirSouth;
}
else if (lpEvent->jaxis.value < -20000)
{
if (g_InputState.dir != kDirNorth)
{
g_InputState.dwKeyPress |= kKeyUp;
}
g_InputState.dir = kDirNorth;
}
else
{
g_InputState.dir = kDirUnknown;
}
#endif
break;
}
break;
#endif
case SDL_JOYBUTTONDOWN:
//
// Pressed the joystick button
//
#if defined(GPH)
switch (lpEvent->jbutton.button)
{
#if defined(GP2XWIZ)
case 14:
#elif defined(CAANOO)
case 3:
#endif
g_InputState.dwKeyPress = kKeyMenu;
break;
#if defined(GP2XWIZ)
case 13:
#elif defined(CAANOO)
case 2:
#endif
g_InputState.dwKeyPress = kKeySearch;
break;
#else
#if defined(GEKKO)
switch (lpEvent->jbutton.button)
{
case 2:
g_InputState.dwKeyPress |= kKeyMenu;
break;
case 3:
g_InputState.dwKeyPress |= kKeySearch;
break;
#else
switch (lpEvent->jbutton.button & 1)
{
case 0:
g_InputState.dwKeyPress |= kKeyMenu;
break;
case 1:
g_InputState.dwKeyPress |= kKeySearch;
break;
#endif
#endif
}
break;
}
#endif
}
#if SDL_MAJOR_VERSION == 1 && SDL_MINOR_VERSION <= 2
static int SDLCALL
PAL_EventFilter(
const SDL_Event *lpEvent
)
#else
int PAL_EventFilter(
void *userdata,
const SDL_Event *lpEvent
)
#endif
/*++
Purpose:
SDL event filter function. A filter to process all events.
Parameters:
[IN] lpEvent - pointer to the event.
Return value:
1 = the event will be added to the internal queue.
0 = the event will be dropped from the queue.
--*/
{
switch (lpEvent->type)
{
case SDL_VIDEORESIZE:
break;
case SDL_QUIT:
//
// clicked on the close button of the window. Quit immediately.
//
PAL_Shutdown();
exit(0);
break;
case SDL_WINDOWEVENT:
return 0;
break;
}
PAL_KeyboardEventFilter(lpEvent);
PAL_MouseEventFilter(lpEvent);
PAL_JoystickEventFilter(lpEvent);
//
// All events are handled here; don't put anything to the internal queue
//
return 0;
}
VOID
PAL_ClearKeyState(
VOID
)
/*++
Purpose:
Clear the record of pressed keys.
Parameters:
None.
Return value:
None.
--*/
{
#if 0
if (g_InputState.touchEventType != TOUCH_NONE) {
printf("clear touch: %d\n", g_InputState.touchEventType);
if (g_InputState.touchEventType == TOUCH_UP) {
int x = 0;
int y = 0;
y = x + 1;
}
}
#endif
g_InputState.dwKeyPress = 0;
g_InputState.touchEventType = TOUCH_NONE;
}
VOID
PAL_InitInput(
VOID
)
/*++
Purpose:
Initialize the input subsystem.
Parameters:
None.
Return value:
None.
--*/
{
memset(&g_InputState, 0, sizeof(g_InputState));
g_InputState.dir = kDirUnknown;
#if SDL_MAJOR_VERSION == 1 && SDL_MINOR_VERSION <= 2
SDL_SetEventFilter(PAL_EventFilter);
#else
SDL_SetEventFilter(PAL_EventFilter, NULL);
#endif
//
// Check for joystick
//
#ifdef PAL_HAS_JOYSTICKS
if (SDL_NumJoysticks() > 0 && g_fUseJoystick)
{
g_pJoy = SDL_JoystickOpen(0);
if (g_pJoy != NULL)
{
SDL_JoystickEventState(SDL_ENABLE);
}
}
#endif
}
VOID
PAL_ShutdownInput(
VOID
)
/*++
Purpose:
Shutdown the input subsystem.
Parameters:
None.
Return value:
None.
--*/
{
#ifdef PAL_HAS_JOYSTICKS
if (SDL_JoystickOpened(0))
{
assert(g_pJoy != NULL);
SDL_JoystickClose(g_pJoy);
g_pJoy = NULL;
}
#endif
}
VOID
PAL_ProcessEvent(
VOID
)
/*++
Purpose:
Process all events.
Parameters:
None.
Return value:
None.
--*/
{
#ifdef PAL_HAS_NATIVEMIDI
MIDI_CheckLoop();
#endif
while (SDL_PollEvent(NULL));
}
BOOL PAL_IsTouch(int x, int y, int w, int h)
{
if (g_InputState.touchEventType == TOUCH_NONE) {
return FALSE;
}
if (g_InputState.touchX >= x && g_InputState.touchX <= x + w
&& g_InputState.touchY >= y && g_InputState.touchY <= y + h) {
return TRUE;
}
return FALSE;
}
BOOL PAL_IsTouchDown(int x, int y, int w, int h)
{
if (g_InputState.touchEventType != TOUCH_DOWN) {
return FALSE;
}
if (g_InputState.touchX >= x && g_InputState.touchX <= x + w
&& g_InputState.touchY >= y && g_InputState.touchY <= y + h) {
return TRUE;
}
return FALSE;
}
BOOL PAL_IsTouchUp(int x, int y, int w, int h)
{
if (g_InputState.touchEventType != TOUCH_UP) {
return FALSE;
}
if (g_InputState.touchX >= x && g_InputState.touchX <= x + w
&& g_InputState.touchY >= y && g_InputState.touchY <= y + h) {
return TRUE;
}
return FALSE;
}