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 };\r
  32 \r
  33 enum TPicoServRqst {\r
  34         PicoMsgLoadState,\r
  35         PicoMsgSaveState,\r
  36         PicoMsgLoadROM,\r
  37         PicoMsgResume,\r
  38         PicoMsgReset,\r
  39         PicoMsgKeys,\r
  40         PicoMsgPause,\r
  41         PicoMsgQuit,\r
  42         PicoMsgConfigChange,\r
  43         PicoMsgSetAppView,\r
  44         kDefaultMessageSlots // this is how many messages we need :)\r
  45 };\r
  46 \r
  47 enum TPicoGenErrors { // generic errors\r
  48         PicoErrNoErr = 0, // OK\r
  49         PicoErrRomOpenFailed,\r
  50         PicoErrOutOfMem,\r
  51         PicoErrNotRom,\r
  52         PicoErrNoRomsInArchive,\r
  53         PicoErrUncomp, // 5\r
  54         PicoErrOutOfMemSnd,\r
  55         PicoErrGenSnd, // 7 generic sound system error\r
  56         PicoErrEmuThread\r
  57 };\r
  58 \r
  59 \r
  60 // needed for creating server thread.\r
  61 const TUint KPicoMaxHeapSize=0x00800000;\r
  62 \r
  63 // key config entry (touchpad areas)\r
  64 struct TPicoAreaConfigEntry {\r
  65         TRect rect;\r
  66         //unsigned long actions;\r
  67 };\r
  68 \r
  69 struct TPicoKeyConfigEntry\r
  70 {\r
  71         unsigned short keyCode;\r
  72         unsigned char scanCode;\r
  73         unsigned char flags; // lsb->msb: key_down, pulse_only, ?, ?,  ?, ?, not_configurable, disabled\r
  74         TInt32 handle1; // for CancelCaptureKeyUpAndDowns()\r
  75         TInt32 handle2; // for CancelCaptureKey()\r
  76         char *name;\r
  77 };\r
  78 \r
  79 \r
  80 // configuration data\r
  81 class TPicoConfig\r
  82 {\r
  83 public:\r
  84         void SetDefaults();\r
  85         void InternalizeL(RReadStream &aStream);\r
  86         void ExternalizeL(RWriteStream &aStream) const;\r
  87 \r
  88         enum TPicoScreenRotation {\r
  89                 PRot0,\r
  90                 PRot90,\r
  91                 PRot180,\r
  92                 PRot270\r
  93         };\r
  94         enum TPicoScreenMode {\r
  95                 PMCenter,\r
  96                 PMFit,\r
  97                 PMFit2\r
  98         };\r
  99         enum TPicoFrameSkip {\r
 100                 PFSkipAuto = -1,\r
 101                 PFSkip0\r
 102         };\r
 103 \r
 104 public:\r
 105         TFileName                       iLastROMFile;\r
 106 \r
 107         TInt32                          iScreenRotation;\r
 108         TInt32                          iScreenMode;\r
 109         TUint32                         iFlags;   // LSb->MSb: use_sram, show_fps, enable_sound, sound_rate(3bits), gzip_saves{=0x40}, dont_use_mot_vol\r
 110     // enable_ym2612&dac, enable_sn76496, enable_z80, stereo_sound;\r
 111     // alt_renderer, 6button_gamepad, accurate_timing\r
 112         TInt32                          iPicoOpt;\r
 113         TInt32                          iFrameskip;\r
 114         TUint32                         iKeyBinds[256]; // a binding for every keycode\r
 115         TUint32                         iAreaBinds[19];\r
 116         TInt32                          PicoRegion;\r
 117 };\r
 118 \r
 119 \r
 120 class CThreadWatcher : public CActive\r
 121 {\r
 122 public:\r
 123         static CThreadWatcher* NewL(const TThreadId& aTid);\r
 124         ~CThreadWatcher();\r
 125 \r
 126         TThreadId                       iTid; // thread id\r
 127 \r
 128 protected:\r
 129         CThreadWatcher(const TThreadId& aTid);\r
 130         void ConstructL();\r
 131 \r
 132         virtual void RunL();\r
 133         virtual void DoCancel();\r
 134 };\r
 135 \r
 136 \r
 137 class CPicoGameSession\r
 138 {\r
 139 public:\r
 140         static TInt Do(const TPicoServRqst what, TAny *param=0);\r
 141         static void freeResources();\r
 142 \r
 143         static TBool iEmuRunning;\r
 144         static TBuf<0x30> iRomInternalName;\r
 145 \r
 146 private:\r
 147         // services available\r
 148         static TInt StartEmuThread();\r
 149         static TInt ChangeRunState(TPicoGameState newstate, TPicoGameState newstate_next=(TPicoGameState)0);\r
 150         static TInt loadROM(TPtrC16 *pptr);\r
 151         static TInt changeConfig(TPicoConfig *aConfig);\r
 152 \r
 153         static CThreadWatcher *iThreadWatcher;\r
 154 };\r
 155 \r
 156 // global\r
 157 int saveLoadGame(int load, int sram=0);\r
 158 \r
 159 #endif\r