src/platform/win32mm/joystick.cpp

   1 #include "core/command.hpp"
   2 #include "core/framerate.hpp"
   3 #include "core/keymapper.hpp"
   4 #include "core/joystickapi.hpp"
   5 #include "core/window.hpp"
   6 #include "library/minmax.hpp"
   7 #include "library/string.hpp"
   8
   9 #include <windows.h>
  10 #include <mmsystem.h>
  11 #include <regstr.h>
  12 #include <cstdlib>
  13 #include <string>
  14 #include <sstream>
  15 #include <iostream>
  16 #include <stdexcept>
  17 #include <sys/time.h>
  18 #include <unistd.h>
  19
  20 namespace
  21 {
  22         volatile bool quit_signaled;
  23         volatile bool quit_ack;
  24         std::map<unsigned, unsigned> idx_to_jid;
  25         unsigned joysticks;
  26
  27         const char* buttonnames[] = {"Button1", "Button2", "Button3", "Button4", "Button5", "Button6", "Button7",
  28                 "Button8", "Button9", "Button10", "Button11", "Button12", "Button13", "Button14", "Button15",
  29                 "Button16", "Button17", "Button18", "Button19", "Button20", "Button21", "Button22", "Button23",
  30                 "Button24", "Button25", "Button26", "Button27", "Button28", "Button29", "Button30", "Button31",
  31                 "Button32"};
  32 #define POLL_WAIT 20000
  33
  34         struct _joystick_driver drv = {
  35                 .init = []() -> void {
  36                         unsigned max_joysticks = joyGetNumDevs();
  37                         if(!max_joysticks)
  38                                 return;         //No joystick support.
  39                         joysticks = max_joysticks;
  40                         for(unsigned i = 0; i < max_joysticks; i++) {
  41                                 JOYINFOEX info;
  42                                 JOYCAPS caps;
  43                                 info.dwSize = sizeof(info);
  44                                 info.dwFlags = JOY_RETURNALL;
  45                                 if(joyGetPosEx(i, &info) != JOYERR_NOERROR)
  46                                         continue;       //Not usable.
  47                                 if(joyGetDevCaps(i, &caps, sizeof(caps)) != JOYERR_NOERROR)
  48                                         continue;       //Not usable.
  49                                 idx_to_jid[i] = lsnes_gamepads.add(caps.szPname);
  50                                 hw_gamepad& ngp = lsnes_gamepads[idx_to_jid[i]];
  51                                 if(caps.wCaps & JOYCAPS_HASPOV)
  52                                         ngp.add_hat(0, "POV");
  53                                 for(unsigned j = 0; j < caps.wNumButtons && j < 32; j++)
  54                                         ngp.add_button(j, buttonnames[j]);
  55                                 ngp.add_axis(0, caps.wXmin, caps.wXmax, false, "X");
  56                                 ngp.add_axis(1, caps.wYmin, caps.wYmax, false, "Y");
  57                                 if(caps.wCaps & JOYCAPS_HASZ)   ngp.add_axis(2, caps.wZmin, caps.wZmax, false, "Z");
  58                                 if(caps.wCaps & JOYCAPS_HASR)   ngp.add_axis(3, caps.wRmin, caps.wRmax, false,
  59                                         "Rudder");
  60                                 if(caps.wCaps & JOYCAPS_HASU)   ngp.add_axis(4, caps.wUmin, caps.wUmax, false, "U");
  61                                 if(caps.wCaps & JOYCAPS_HASV)   ngp.add_axis(5, caps.wVmin, caps.wVmax, false, "V");
  62                                 messages << "Joystick #" << idx_to_jid[i] << " online: " << caps.szPname << std::endl;
  63                         }
  64                         quit_ack = quit_signaled = false;
  65                 },
  66                 .quit = []() -> void {
  67                         quit_signaled = true;
  68                         while(!quit_ack);
  69                 },
  70                 .thread_fn = []() -> void {
  71                         while(!quit_signaled) {
  72                                 for(unsigned i = 0; i < joysticks; i++) {
  73                                         JOYINFOEX info;
  74                                         info.dwSize = sizeof(info);
  75                                         info.dwFlags = JOY_RETURNALL;
  76                                         if(joyGetPosEx(i, &info) != JOYERR_NOERROR)
  77                                                 continue;       //Not usable.
  78                                         lsnes_gamepads[idx_to_jid[i]].report_hat(0, info.dwPOV);
  79                                         for(unsigned j = 0; j < 32; j++)
  80                                                 lsnes_gamepads[idx_to_jid[i]].report_button(j,
  81                                                         (info.dwButtons >> j) & 1);
  82                                         lsnes_gamepads[idx_to_jid[i]].report_axis(0, info.dwXpos);
  83                                         lsnes_gamepads[idx_to_jid[i]].report_axis(1, info.dwYpos);
  84                                         lsnes_gamepads[idx_to_jid[i]].report_axis(2, info.dwZpos);
  85                                         lsnes_gamepads[idx_to_jid[i]].report_axis(3, info.dwRpos);
  86                                         lsnes_gamepads[idx_to_jid[i]].report_axis(4, info.dwUpos);
  87                                         lsnes_gamepads[idx_to_jid[i]].report_axis(5, info.dwVpos);
  88                                 }
  89                                 usleep(POLL_WAIT);
  90                         }
  91                         quit_ack = true;
  92                 },
  93                 .signal = []() -> void {
  94                         quit_signaled = true;
  95                         while(!quit_ack);
  96                 },
  97                 .name = []() -> const char* { return "Win32mm joystick plugin"; }
  98         };
  99         struct joystick_driver _drv(drv);
 100 }