platform/uiq3/Engine.h

   1 /*******************************************************************\r
   2  *\r
   3  *      File:           Engine.h\r
   4  *\r
   5  *      Author:         Peter van Sebille (peter@yipton.net)\r
   6  *\r
   7  *  Modified/adapted for picodriveN by notaz, 2006\r
   8  *\r
   9  *  (c) Copyright 2006, notaz\r
  10  *      (c) Copyright 2002, Peter van Sebille\r
  11  *      All Rights Reserved\r
  12  *\r
  13  *******************************************************************/\r
  14 \r
  15 #ifndef __ENGINE_H\r
  16 #define __ENGINE_H\r
  17 \r
  18 #include <e32base.h>\r
  19 \r
  20 class RReadStream;\r
  21 class RWriteStream;\r
  22 \r
  23 \r
  24 // engine states\r
  25 enum TPicoGameState {\r
  26         PGS_Running = 1,\r
  27         PGS_Paused,\r
  28         PGS_Quit,\r
  29         PGS_KeyConfig,\r
  30         PGS_ReloadRom,\r
  31         PGS_Reset,\r
  32 };\r
  33 \r
  34 enum TPicoServRqst {\r
  35         PicoMsgLoadState,\r
  36         PicoMsgSaveState,\r
  37         PicoMsgLoadROM,\r
  38         PicoMsgResume,\r
  39         PicoMsgReset,\r
  40         PicoMsgKeys,\r
  41         PicoMsgPause,\r
  42         PicoMsgQuit,\r
  43         PicoMsgConfigChange,\r
  44         PicoMsgSetAppView,\r
  45         kDefaultMessageSlots // this is how many messages we need :)\r
  46 };\r
  47 \r
  48 enum TPicoGenErrors { // generic errors\r
  49         PicoErrNoErr = 0, // OK\r
  50         PicoErrRomOpenFailed,\r
  51         PicoErrOutOfMem,\r
  52         PicoErrOutOfMemSnd,\r
  53         PicoErrGenSnd, // generic sound system error\r
  54         PicoErrEmuThread\r
  55 };\r
  56 \r
  57 \r
  58 // needed for creating server thread.\r
  59 const TUint KPicoMaxHeapSize=0x00800000;\r
  60 \r
  61 // key config entry (touchpad areas)\r
  62 struct TPicoAreaConfigEntry {\r
  63         TRect rect;\r
  64         //unsigned long actions;\r
  65 };\r
  66 \r
  67 struct TPicoKeyConfigEntry\r
  68 {\r
  69         unsigned short keyCode;\r
  70         unsigned char scanCode;\r
  71         unsigned char flags; // lsb->msb: key_down, pulse_only, ?, ?,  ?, ?, not_configurable, disabled\r
  72         TInt32 handle1; // for CancelCaptureKeyUpAndDowns()\r
  73         TInt32 handle2; // for CancelCaptureKey()\r
  74         char *name;\r
  75 };\r
  76 \r
  77 \r
  78 // configuration data\r
  79 class TPicoConfig\r
  80 {\r
  81 public:\r
  82 //      void SetDefaults();\r
  83 //      void InternalizeL(RReadStream &aStream);\r
  84 //      void ExternalizeL(RWriteStream &aStream) const;\r
  85 \r
  86         enum TPicoScreenRotation {\r
  87                 PRot0,\r
  88                 PRot90,\r
  89                 PRot180,\r
  90                 PRot270\r
  91         };\r
  92         enum TPicoScreenMode {\r
  93                 PMCenter,\r
  94                 PMFit,\r
  95                 PMFit2\r
  96         };\r
  97         enum TPicoFrameSkip {\r
  98                 PFSkipAuto = -1,\r
  99                 PFSkip0\r
 100         };\r
 101 \r
 102 public:\r
 103         TFileName                       iLastROMFile;   // used as tmp only\r
 104 };\r
 105 \r
 106 \r
 107 class CThreadWatcher : public CActive\r
 108 {\r
 109 public:\r
 110         static CThreadWatcher* NewL(const TThreadId& aTid);\r
 111         ~CThreadWatcher();\r
 112 \r
 113         TThreadId                       iTid; // thread id\r
 114 \r
 115 protected:\r
 116         CThreadWatcher(const TThreadId& aTid);\r
 117         void ConstructL();\r
 118 \r
 119         virtual void RunL();\r
 120         virtual void DoCancel();\r
 121 };\r
 122 \r
 123 \r
 124 class CPicoGameSession\r
 125 {\r
 126 public:\r
 127         static TInt Do(const TPicoServRqst what, TAny *param=0);\r
 128         static void freeResources();\r
 129 \r
 130         static TBool iEmuRunning;\r
 131         static TBuf<150> iRomInternalName;\r
 132 \r
 133 private:\r
 134         // services available\r
 135         static TInt StartEmuThread();\r
 136         static TInt ChangeRunState(TPicoGameState newstate, TPicoGameState newstate_next=(TPicoGameState)0);\r
 137         static TInt loadROM(TPtrC16 *pptr);\r
 138         static TInt changeConfig(TPicoConfig *aConfig);\r
 139 \r
 140         static CThreadWatcher *iThreadWatcher;\r
 141 };\r
 142 \r
 143 #endif\r