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Timer implemented.

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svn-id: r6667
This commit is contained in:
Marcus Comstedt 2003-03-02 20:17:21 +00:00
parent 738be5adeb
commit a29fb89e53
4 changed files with 22 additions and 4 deletions
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4
backends/dc/dc.h
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@ -104,6 +104,10 @@ class OSystem_Dreamcast : public OSystem {
int _screen_buffer, _overlay_buffer, _mouse_buffer;
float _overlay_fade;
uint32 _timer_duration, _timer_next_expiry;
bool _timer_active;
int (*_timer_callback) (int);
unsigned char *screen;
unsigned short *mouse;
unsigned short *overlay;

4
backends/dc/dcmain.cpp
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@ -122,10 +122,6 @@ void *OSystem_Dreamcast::create_thread(ThreadProc *proc, void *param) {
warning("Creating a thread! (not supported.)\n");
}
void OSystem_Dreamcast::set_timer(int timer, int (*callback)(int))
{
warning("Setting a timer! (not supported.)\n");
}
/* Mutex handling */
void *OSystem_Dreamcast::create_mutex(void)

6
backends/dc/input.cpp
View File

@ -140,6 +140,12 @@ int handleInput(struct mapledev *pad, int &mouse_x, int &mouse_y,
bool OSystem_Dreamcast::poll_event(Event *event)
{
unsigned int t = Timer();
if(_timer_active && ((int)(t-_timer_next_expiry))>=0) {
_timer_duration = _timer_callback(_timer_duration);
_timer_next_expiry = t+USEC_TO_TIMER(1000*_timer_duration);
}
if(((int)(t-_devpoll))<0)
return false;
_devpoll += USEC_TO_TIMER(17000);

12
backends/dc/time.cpp
View File

@ -53,6 +53,18 @@ void OSystem_Dreamcast::delay_msecs(uint msecs)
get_msecs();
}
void OSystem_Dreamcast::set_timer(int timer, int (*callback)(int))
{
if (callback != NULL) {
_timer_duration = timer;
_timer_next_expiry = Timer() + USEC_TO_TIMER(1000*timer);
_timer_callback = callback;
_timer_active = true;
} else {
_timer_active = false;
}
}
/*
void waitForTimer(Scumm *s, int time)