1 files changed, 145 insertions, 0 deletions
diff --git a/Src/timer/timermul.h b/Src/timer/timermul.h
new file mode 100644
index 00000000..67dcafb2
--- /dev/null
+++ b/Src/timer/timermul.h
@@ -0,0 +1,145 @@
+#ifndef __TIMER_MULTIPLEXER_H
+#define __TIMER_MULTIPLEXER_H
+
+#include <bfc/common.h>
+#include <bfc/ptrlist.h>
+#include <api/dependency/api_dependentviewer.h>
+
+// FG> not too sure how to get a callback for attribute change, if anyone wants to change it be my guest ;)
+#define RESOLUTION_CHECK_DELAY 1000 // check for resolution changes every second
+
+// if uioptions CfgItem not found, use this value for resolution
+#define DEF_RES 20
+
+// below MAX_TIMER_DELAY, timer are multiplexed using a 'wheel' algorithm (mem used = MAX_TIMER_DELAY/resolution * sizeof(PtrList) + ntimers*sizeof(MultiplexedTimer), but fast (no lookup) )
+// above MAX_TIMER_DELAY, resolution drops to MAX_TIMER_DELAY/LOW_RES_DIV and uses ntimers*sizeof(MultiplexedTimer) bytes
+#define MAX_TIMER_DELAY 1000  // keep this dividable by LOW_RES_DIV please
+#define LOW_RES_DIV        4
+
+class CfgItem;
+class api_config;
+
+class TimerMultiplexerClient {
+  public:
+    virtual void onMultiplexedTimer(void *data, int skip, int mssincelast)=0;
+};
+
+class MultiplexedTimer {
+  public:
+    MultiplexedTimer(int _ms, void *_data) : ms(_ms), data(_data) {
+      nexttick=0;
+      flag=0;
+      lost = 0;
+      lastmscount=0;
+      lastdelay=0;
+    }
+    virtual ~MultiplexedTimer() { }
+
+    int ms;
+    void *data;
+    DWORD nexttick; // only used by low precision timers
+    int flag; // only used by hi precision timers
+    float lost; // only used by hi precision timers
+    DWORD lastmscount;
+    int lastdelay;
+};
+
+class TimerMultiplexer : public ifc_dependentviewer
+{
+  public:
+
+    TimerMultiplexer();
+    virtual ~TimerMultiplexer();
+
+    virtual void setClient(TimerMultiplexerClient *client);
+
+    virtual void onServerTimer();
+
+    virtual void addTimer(int ms, void *data);
+    virtual void removeTimer(void *data);
+    virtual void setResolution(int ms);
+
+    virtual void shutdown();
+    virtual int getNumTimers();
+    virtual int getNumTimersLP();
+
+  private:
+
+    void checkResolution(DWORD now);
+    void resetTimer(int newresolution);
+    void resetWheel();
+    void distributeAll();
+    void distribute(MultiplexedTimer *t);
+    void runCurSlice(DWORD now);
+    void runTimer(DWORD now, DWORD last, MultiplexedTimer *t, PtrList<MultiplexedTimer> *slice, int pos);
+    void removeFromWheel(MultiplexedTimer *t);
+    void runLowPrecisionTimers(DWORD now);
+    void removeFromLowPrecision(MultiplexedTimer *t);
+    void doShutdown();
+    PtrList<MultiplexedTimer> *getSlice(int n);
+
+    TimerMultiplexerClient *client;
+    int resolution;
+    bool check_resolution;
+    int timerset;
+
+    int curslice;
+    int nslices;
+    int justexited;
+    int firstevent;
+
+    PtrList< PtrList< MultiplexedTimer > > wheel;
+    PtrList< MultiplexedTimer > timers;
+    PtrList< MultiplexedTimer > lptimers;
+    MultiplexedTimer *running_timer;
+		int dependentViewer_callback(ifc_dependent *item, const GUID *classguid, int cb, intptr_t param1 = 0, intptr_t param2 = 0, void *ptr = NULL, size_t ptrlen = 0);
+
+  CfgItem *uioptions;
+	RECVS_DISPATCH;
+};
+
+class MultiplexerServer {
+public:
+  MultiplexerServer(TimerMultiplexer *mux, UINT tid) : m_mux(mux), m_tid(tid) {}
+  virtual ~MultiplexerServer() {}
+  TimerMultiplexer *getMultiplexer() { return m_mux; }
+  UINT_PTR getId() { return m_tid; }
+  void setId(UINT_PTR id) { m_tid = id; }
+private:
+  TimerMultiplexer *m_mux;
+  UINT_PTR m_tid;
+};
+
+class MultiplexerServerComparatorTID {
+public:
+  // comparator for sorting
+  static int compareItem(MultiplexerServer *p1, MultiplexerServer* p2) {
+    if (p1->getId() < p2->getId()) return -1;
+    if (p1->getId() > p2->getId()) return 1;
+    return 0;
+  }
+  // comparator for searching
+  static int compareAttrib(const wchar_t *attrib, MultiplexerServer *item) {
+    if (*((UINT *)attrib) < item->getId()) return -1;
+    if (*((UINT *)attrib) < item->getId()) return 1;
+    return 0;
+  }
+};
+
+class MultiplexerServerComparatorMux{
+public:
+  // comparator for sorting
+  static int compareItem(MultiplexerServer *p1, MultiplexerServer* p2) {
+    if (p1->getMultiplexer() < p2->getMultiplexer()) return -1;
+    if (p1->getMultiplexer() > p2->getMultiplexer()) return 1;
+    return 0;
+  }
+  // comparator for searching
+  static int compareAttrib(const wchar_t *attrib, MultiplexerServer *item) {
+    if ((TimerMultiplexer *)attrib < item->getMultiplexer()) return -1;
+    if ((TimerMultiplexer *)attrib < item->getMultiplexer()) return 1;
+    return 0;
+  }
+};
+
+#endif