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_DebugHeap,\r
  31         PGS_ReloadRom,\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         PicoErrNotRom,\r
  53         PicoErrNoRomsInArchive,\r
  54         PicoErrUncomp, // 5\r
  55         PicoErrOutOfMemSnd,\r
  56         PicoErrGenSnd, // 7 generic sound system error\r
  57         PicoErrEmuThread\r
  58 };\r
  59 \r
  60 \r
  61 // needed for creating server thread.\r
  62 const TUint KPicoMaxHeapSize=0x00800000;\r
  63 \r
  64 // key config entry (touchpad areas)\r
  65 struct TPicoAreaConfigEntry {\r
  66         TRect rect;\r
  67         //unsigned long actions;\r
  68 };\r
  69 \r
  70 struct TPicoKeyConfigEntry\r
  71 {\r
  72         unsigned short keyCode;\r
  73         unsigned char scanCode;\r
  74         unsigned char flags; // lsb->msb: key_down, pulse_only, ?, ?,  ?, ?, not_configurable, disabled\r
  75         TInt32 handle1; // for CancelCaptureKeyUpAndDowns()\r
  76         TInt32 handle2; // for CancelCaptureKey()\r
  77         char *name;\r
  78 };\r
  79 \r
  80 \r
  81 // configuration data\r
  82 class TPicoConfig\r
  83 {\r
  84 public:\r
  85 //      void SetDefaults();\r
  86 //      void InternalizeL(RReadStream &aStream);\r
  87 //      void ExternalizeL(RWriteStream &aStream) const;\r
  88 \r
  89         enum TPicoScreenRotation {\r
  90                 PRot0,\r
  91                 PRot90,\r
  92                 PRot180,\r
  93                 PRot270\r
  94         };\r
  95         enum TPicoScreenMode {\r
  96                 PMCenter,\r
  97                 PMFit,\r
  98                 PMFit2\r
  99         };\r
 100         enum TPicoFrameSkip {\r
 101                 PFSkipAuto = -1,\r
 102                 PFSkip0\r
 103         };\r
 104 \r
 105 public:\r
 106         TFileName                       iLastROMFile;   // used as tmp only\r
 107 };\r
 108 \r
 109 \r
 110 class CThreadWatcher : public CActive\r
 111 {\r
 112 public:\r
 113         static CThreadWatcher* NewL(const TThreadId& aTid);\r
 114         ~CThreadWatcher();\r
 115 \r
 116         TThreadId                       iTid; // thread id\r
 117 \r
 118 protected:\r
 119         CThreadWatcher(const TThreadId& aTid);\r
 120         void ConstructL();\r
 121 \r
 122         virtual void RunL();\r
 123         virtual void DoCancel();\r
 124 };\r
 125 \r
 126 \r
 127 class CPicoGameSession\r
 128 {\r
 129 public:\r
 130         static TInt Do(const TPicoServRqst what, TAny *param=0);\r
 131         static void freeResources();\r
 132 \r
 133         static TBool iEmuRunning;\r
 134         static TBuf<150> iRomInternalName;\r
 135 \r
 136 private:\r
 137         // services available\r
 138         static TInt StartEmuThread();\r
 139         static TInt ChangeRunState(TPicoGameState newstate, TPicoGameState newstate_next=(TPicoGameState)0);\r
 140         static TInt loadROM(TPtrC16 *pptr);\r
 141         static TInt changeConfig(TPicoConfig *aConfig);\r
 142 \r
 143         static CThreadWatcher *iThreadWatcher;\r
 144 };\r
 145 \r
 146 #endif\r