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Diffstat (limited to 'src/win32/win_input.c')
| -rw-r--r-- | src/win32/win_input.c | 1148 |
1 files changed, 1148 insertions, 0 deletions
diff --git a/src/win32/win_input.c b/src/win32/win_input.c new file mode 100644 index 00000000..a2552119 --- /dev/null +++ b/src/win32/win_input.c @@ -0,0 +1,1148 @@ +/* +=========================================================================== +Copyright (C) 1999-2005 Id Software, Inc. + +This file is part of Quake III Arena source code. + +Quake III Arena source code is free software; you can redistribute it +and/or modify it under the terms of the GNU General Public License as +published by the Free Software Foundation; either version 2 of the License, +or (at your option) any later version. + +Quake III Arena source code is distributed in the hope that it will be +useful, but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with Quake III Arena source code; if not, write to the Free Software +Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +=========================================================================== +*/ +// win_input.c -- win32 mouse and joystick code +// 02/21/97 JCB Added extended DirectInput code to support external controllers. + +#include "../client/client.h" +#include "win_local.h" + + +typedef struct { + int oldButtonState; + + qboolean mouseActive; + qboolean mouseInitialized; + qboolean mouseStartupDelayed; // delay mouse init to try DI again when we have a window +} WinMouseVars_t; + +static WinMouseVars_t s_wmv; + +static int window_center_x, window_center_y; + +// +// MIDI definitions +// +static void IN_StartupMIDI( void ); +static void IN_ShutdownMIDI( void ); + +#define MAX_MIDIIN_DEVICES 8 + +typedef struct { + int numDevices; + MIDIINCAPS caps[MAX_MIDIIN_DEVICES]; + + HMIDIIN hMidiIn; +} MidiInfo_t; + +static MidiInfo_t s_midiInfo; + +// +// Joystick definitions +// +#define JOY_MAX_AXES 6 // X, Y, Z, R, U, V + +typedef struct { + qboolean avail; + int id; // joystick number + JOYCAPS jc; + + int oldbuttonstate; + int oldpovstate; + + JOYINFOEX ji; +} joystickInfo_t; + +static joystickInfo_t joy; + + + +cvar_t *in_midi; +cvar_t *in_midiport; +cvar_t *in_midichannel; +cvar_t *in_mididevice; + +cvar_t *in_mouse; +cvar_t *in_logitechbug; +cvar_t *in_joystick; +cvar_t *in_joyBallScale; +cvar_t *in_debugJoystick; +cvar_t *joy_threshold; + +qboolean in_appactive; + +// forward-referenced functions +void IN_StartupJoystick (void); +void IN_JoyMove(void); + +static void MidiInfo_f( void ); + +/* +============================================================ + +WIN32 MOUSE CONTROL + +============================================================ +*/ + +/* +================ +IN_InitWin32Mouse +================ +*/ +void IN_InitWin32Mouse( void ) +{ +} + +/* +================ +IN_ShutdownWin32Mouse +================ +*/ +void IN_ShutdownWin32Mouse( void ) { +} + +/* +================ +IN_ActivateWin32Mouse +================ +*/ +void IN_ActivateWin32Mouse( void ) { + int width, height; + RECT window_rect; + + width = GetSystemMetrics (SM_CXSCREEN); + height = GetSystemMetrics (SM_CYSCREEN); + + GetWindowRect ( g_wv.hWnd, &window_rect); + if (window_rect.left < 0) + window_rect.left = 0; + if (window_rect.top < 0) + window_rect.top = 0; + if (window_rect.right >= width) + window_rect.right = width-1; + if (window_rect.bottom >= height-1) + window_rect.bottom = height-1; + window_center_x = (window_rect.right + window_rect.left)/2; + window_center_y = (window_rect.top + window_rect.bottom)/2; + + SetCursorPos (window_center_x, window_center_y); + + SetCapture ( g_wv.hWnd ); + ClipCursor (&window_rect); + while (ShowCursor (FALSE) >= 0) + ; +} + +/* +================ +IN_DeactivateWin32Mouse +================ +*/ +void IN_DeactivateWin32Mouse( void ) +{ + ClipCursor (NULL); + ReleaseCapture (); + while (ShowCursor (TRUE) < 0) + ; +} + +/* +================ +IN_Win32Mouse +================ +*/ +void IN_Win32Mouse( int *mx, int *my ) { + POINT current_pos; + + // find mouse movement + GetCursorPos (¤t_pos); + + // force the mouse to the center, so there's room to move + SetCursorPos (window_center_x, window_center_y); + + *mx = current_pos.x - window_center_x; + *my = current_pos.y - window_center_y; +} + + +/* +============================================================ + +DIRECT INPUT MOUSE CONTROL + +============================================================ +*/ + +#undef DEFINE_GUID + +#define DEFINE_GUID(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) \ + const GUID name \ + = { l, w1, w2, { b1, b2, b3, b4, b5, b6, b7, b8 } } + +DEFINE_GUID(GUID_SysMouse, 0x6F1D2B60,0xD5A0,0x11CF,0xBF,0xC7,0x44,0x45,0x53,0x54,0x00,0x00); +DEFINE_GUID(GUID_XAxis, 0xA36D02E0,0xC9F3,0x11CF,0xBF,0xC7,0x44,0x45,0x53,0x54,0x00,0x00); +DEFINE_GUID(GUID_YAxis, 0xA36D02E1,0xC9F3,0x11CF,0xBF,0xC7,0x44,0x45,0x53,0x54,0x00,0x00); +DEFINE_GUID(GUID_ZAxis, 0xA36D02E2,0xC9F3,0x11CF,0xBF,0xC7,0x44,0x45,0x53,0x54,0x00,0x00); + + +#define DINPUT_BUFFERSIZE 16 +#define iDirectInputCreate(a,b,c,d) pDirectInputCreate(a,b,c,d) + +HRESULT (WINAPI *pDirectInputCreate)(HINSTANCE hinst, DWORD dwVersion, + LPDIRECTINPUT * lplpDirectInput, LPUNKNOWN punkOuter); + +static HINSTANCE hInstDI; + +typedef struct MYDATA { + LONG lX; // X axis goes here + LONG lY; // Y axis goes here + LONG lZ; // Z axis goes here + BYTE bButtonA; // One button goes here + BYTE bButtonB; // Another button goes here + BYTE bButtonC; // Another button goes here + BYTE bButtonD; // Another button goes here +} MYDATA; + +static DIOBJECTDATAFORMAT rgodf[] = { + { &GUID_XAxis, FIELD_OFFSET(MYDATA, lX), DIDFT_AXIS | DIDFT_ANYINSTANCE, 0,}, + { &GUID_YAxis, FIELD_OFFSET(MYDATA, lY), DIDFT_AXIS | DIDFT_ANYINSTANCE, 0,}, + { &GUID_ZAxis, FIELD_OFFSET(MYDATA, lZ), 0x80000000 | DIDFT_AXIS | DIDFT_ANYINSTANCE, 0,}, + { 0, FIELD_OFFSET(MYDATA, bButtonA), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,}, + { 0, FIELD_OFFSET(MYDATA, bButtonB), DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,}, + { 0, FIELD_OFFSET(MYDATA, bButtonC), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,}, + { 0, FIELD_OFFSET(MYDATA, bButtonD), 0x80000000 | DIDFT_BUTTON | DIDFT_ANYINSTANCE, 0,}, +}; + +#define NUM_OBJECTS (sizeof(rgodf) / sizeof(rgodf[0])) + +// NOTE TTimo: would be easier using c_dfDIMouse or c_dfDIMouse2 +static DIDATAFORMAT df = { + sizeof(DIDATAFORMAT), // this structure + sizeof(DIOBJECTDATAFORMAT), // size of object data format + DIDF_RELAXIS, // absolute axis coordinates + sizeof(MYDATA), // device data size + NUM_OBJECTS, // number of objects + rgodf, // and here they are +}; + +static LPDIRECTINPUT g_pdi; +static LPDIRECTINPUTDEVICE g_pMouse; + +void IN_DIMouse( int *mx, int *my ); + +/* +======================== +IN_InitDIMouse +======================== +*/ +qboolean IN_InitDIMouse( void ) { + HRESULT hr; + int x, y; + DIPROPDWORD dipdw = { + { + sizeof(DIPROPDWORD), // diph.dwSize + sizeof(DIPROPHEADER), // diph.dwHeaderSize + 0, // diph.dwObj + DIPH_DEVICE, // diph.dwHow + }, + DINPUT_BUFFERSIZE, // dwData + }; + + Com_Printf( "Initializing DirectInput...\n"); + + if (!hInstDI) { + hInstDI = LoadLibrary("dinput.dll"); + + if (hInstDI == NULL) { + Com_Printf ("Couldn't load dinput.dll\n"); + return qfalse; + } + } + + if (!pDirectInputCreate) { + pDirectInputCreate = (HRESULT (WINAPI *)(HINSTANCE, DWORD, LPDIRECTINPUT *, LPUNKNOWN)) + GetProcAddress(hInstDI,"DirectInputCreateA"); + + if (!pDirectInputCreate) { + Com_Printf ("Couldn't get DI proc addr\n"); + return qfalse; + } + } + + // register with DirectInput and get an IDirectInput to play with. + hr = iDirectInputCreate( g_wv.hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL); + + if (FAILED(hr)) { + Com_Printf ("iDirectInputCreate failed\n"); + return qfalse; + } + + // obtain an interface to the system mouse device. + hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL); + + if (FAILED(hr)) { + Com_Printf ("Couldn't open DI mouse device\n"); + return qfalse; + } + + // set the data format to "mouse format". + hr = IDirectInputDevice_SetDataFormat(g_pMouse, &df); + + if (FAILED(hr)) { + Com_Printf ("Couldn't set DI mouse format\n"); + return qfalse; + } + + // set the cooperativity level. + hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, g_wv.hWnd, + DISCL_EXCLUSIVE | DISCL_FOREGROUND); + + // https://zerowing.idsoftware.com/bugzilla/show_bug.cgi?id=50 + if (FAILED(hr)) { + Com_Printf ("Couldn't set DI coop level\n"); + return qfalse; + } + + + // set the buffer size to DINPUT_BUFFERSIZE elements. + // the buffer size is a DWORD property associated with the device + hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph); + + if (FAILED(hr)) { + Com_Printf ("Couldn't set DI buffersize\n"); + return qfalse; + } + + // clear any pending samples + IN_DIMouse( &x, &y ); + IN_DIMouse( &x, &y ); + + Com_Printf( "DirectInput initialized.\n"); + return qtrue; +} + +/* +========================== +IN_ShutdownDIMouse +========================== +*/ +void IN_ShutdownDIMouse( void ) { + if (g_pMouse) { + IDirectInputDevice_Release(g_pMouse); + g_pMouse = NULL; + } + + if (g_pdi) { + IDirectInput_Release(g_pdi); + g_pdi = NULL; + } +} + +/* +========================== +IN_ActivateDIMouse +========================== +*/ +void IN_ActivateDIMouse( void ) { + HRESULT hr; + + if (!g_pMouse) { + return; + } + + // we may fail to reacquire if the window has been recreated + hr = IDirectInputDevice_Acquire( g_pMouse ); + if (FAILED(hr)) { + if ( !IN_InitDIMouse() ) { + Com_Printf ("Falling back to Win32 mouse support...\n"); + Cvar_Set( "in_mouse", "-1" ); + } + } +} + +/* +========================== +IN_DeactivateDIMouse +========================== +*/ +void IN_DeactivateDIMouse( void ) { + if (!g_pMouse) { + return; + } + IDirectInputDevice_Unacquire( g_pMouse ); +} + + +/* +=================== +IN_DIMouse +=================== +*/ +void IN_DIMouse( int *mx, int *my ) { + DIDEVICEOBJECTDATA od; + DIMOUSESTATE state; + DWORD dwElements; + HRESULT hr; + int value; + + if ( !g_pMouse ) { + return; + } + + // fetch new events + for (;;) + { + dwElements = 1; + + hr = IDirectInputDevice_GetDeviceData(g_pMouse, + sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0); + if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED)) { + IDirectInputDevice_Acquire(g_pMouse); + return; + } + + /* Unable to read data or no data available */ + if ( FAILED(hr) ) { + break; + } + + if ( dwElements == 0 ) { + break; + } + + switch (od.dwOfs) { + case DIMOFS_BUTTON0: + if (od.dwData & 0x80) + Sys_QueEvent( od.dwTimeStamp, SE_KEY, K_MOUSE1, qtrue, 0, NULL ); + else + Sys_QueEvent( od.dwTimeStamp, SE_KEY, K_MOUSE1, qfalse, 0, NULL ); + break; + + case DIMOFS_BUTTON1: + if (od.dwData & 0x80) + Sys_QueEvent( od.dwTimeStamp, SE_KEY, K_MOUSE2, qtrue, 0, NULL ); + else + Sys_QueEvent( od.dwTimeStamp, SE_KEY, K_MOUSE2, qfalse, 0, NULL ); + break; + + case DIMOFS_BUTTON2: + if (od.dwData & 0x80) + Sys_QueEvent( od.dwTimeStamp, SE_KEY, K_MOUSE3, qtrue, 0, NULL ); + else + Sys_QueEvent( od.dwTimeStamp, SE_KEY, K_MOUSE3, qfalse, 0, NULL ); + break; + + case DIMOFS_BUTTON3: + if (od.dwData & 0x80) + Sys_QueEvent( od.dwTimeStamp, SE_KEY, K_MOUSE4, qtrue, 0, NULL ); + else + Sys_QueEvent( od.dwTimeStamp, SE_KEY, K_MOUSE4, qfalse, 0, NULL ); + break; + // https://zerowing.idsoftware.com/bugzilla/show_bug.cgi?id=50 + case DIMOFS_Z: + value = od.dwData; + if (value == 0) { + + } else if (value < 0) { + Sys_QueEvent( od.dwTimeStamp, SE_KEY, K_MWHEELDOWN, qtrue, 0, NULL ); + Sys_QueEvent( od.dwTimeStamp, SE_KEY, K_MWHEELDOWN, qfalse, 0, NULL ); + } else { + Sys_QueEvent( od.dwTimeStamp, SE_KEY, K_MWHEELUP, qtrue, 0, NULL ); + Sys_QueEvent( od.dwTimeStamp, SE_KEY, K_MWHEELUP, qfalse, 0, NULL ); + } + break; + } + } + + // read the raw delta counter and ignore + // the individual sample time / values + hr = IDirectInputDevice_GetDeviceState(g_pMouse, + sizeof(DIDEVICEOBJECTDATA), &state); + if ( FAILED(hr) ) { + *mx = *my = 0; + return; + } + *mx = state.lX; + *my = state.lY; +} + +/* +============================================================ + + MOUSE CONTROL + +============================================================ +*/ + +/* +=========== +IN_ActivateMouse + +Called when the window gains focus or changes in some way +=========== +*/ +void IN_ActivateMouse( void ) +{ + if (!s_wmv.mouseInitialized ) { + return; + } + if ( !in_mouse->integer ) + { + s_wmv.mouseActive = qfalse; + return; + } + if ( s_wmv.mouseActive ) + { + return; + } + + s_wmv.mouseActive = qtrue; + + if ( in_mouse->integer != -1 ) { + IN_ActivateDIMouse(); + } + IN_ActivateWin32Mouse(); +} + + +/* +=========== +IN_DeactivateMouse + +Called when the window loses focus +=========== +*/ +void IN_DeactivateMouse( void ) { + if (!s_wmv.mouseInitialized ) { + return; + } + if (!s_wmv.mouseActive ) { + return; + } + s_wmv.mouseActive = qfalse; + + IN_DeactivateDIMouse(); + IN_DeactivateWin32Mouse(); +} + + + +/* +=========== +IN_StartupMouse +=========== +*/ +void IN_StartupMouse( void ) +{ + s_wmv.mouseInitialized = qfalse; + s_wmv.mouseStartupDelayed = qfalse; + + if ( in_mouse->integer == 0 ) { + Com_Printf ("Mouse control not active.\n"); + return; + } + + // nt4.0 direct input is screwed up + if ( ( g_wv.osversion.dwPlatformId == VER_PLATFORM_WIN32_NT ) && + ( g_wv.osversion.dwMajorVersion == 4 ) ) + { + Com_Printf ("Disallowing DirectInput on NT 4.0\n"); + Cvar_Set( "in_mouse", "-1" ); + } + + if ( in_mouse->integer == -1 ) { + Com_Printf ("Skipping check for DirectInput\n"); + } else { + if (!g_wv.hWnd) + { + Com_Printf ("No window for DirectInput mouse init, delaying\n"); + s_wmv.mouseStartupDelayed = qtrue; + return; + } + if ( IN_InitDIMouse() ) { + s_wmv.mouseInitialized = qtrue; + return; + } + Com_Printf ("Falling back to Win32 mouse support...\n"); + } + s_wmv.mouseInitialized = qtrue; + IN_InitWin32Mouse(); +} + +/* +=========== +IN_MouseEvent +=========== +*/ +void IN_MouseEvent (int mstate) +{ + int i; + + if ( !s_wmv.mouseInitialized ) + return; + +// perform button actions + for (i = 0 ; i < 3 ; i++ ) + { + if ( (mstate & (1<<i)) && + !(s_wmv.oldButtonState & (1<<i)) ) + { + Sys_QueEvent( g_wv.sysMsgTime, SE_KEY, K_MOUSE1 + i, qtrue, 0, NULL ); + } + + if ( !(mstate & (1<<i)) && + (s_wmv.oldButtonState & (1<<i)) ) + { + Sys_QueEvent( g_wv.sysMsgTime, SE_KEY, K_MOUSE1 + i, qfalse, 0, NULL ); + } + } + + s_wmv.oldButtonState = mstate; +} + + +/* +=========== +IN_MouseMove +=========== +*/ +void IN_MouseMove ( void ) { + int mx, my; + + if ( g_pMouse ) { + IN_DIMouse( &mx, &my ); + } else { + IN_Win32Mouse( &mx, &my ); + } + + if ( !mx && !my ) { + return; + } + + Sys_QueEvent( 0, SE_MOUSE, mx, my, 0, NULL ); +} + + +/* +========================================================================= + +========================================================================= +*/ + +/* +=========== +IN_Startup +=========== +*/ +void IN_Startup( void ) { + Com_Printf ("\n------- Input Initialization -------\n"); + IN_StartupMouse (); + IN_StartupJoystick (); + IN_StartupMIDI(); + Com_Printf ("------------------------------------\n"); + + in_mouse->modified = qfalse; + in_joystick->modified = qfalse; +} + +/* +=========== +IN_Shutdown +=========== +*/ +void IN_Shutdown( void ) { + IN_DeactivateMouse(); + IN_ShutdownDIMouse(); + IN_ShutdownMIDI(); + Cmd_RemoveCommand("midiinfo" ); +} + + +/* +=========== +IN_Init +=========== +*/ +void IN_Init( void ) { + // MIDI input controler variables + in_midi = Cvar_Get ("in_midi", "0", CVAR_ARCHIVE); + in_midiport = Cvar_Get ("in_midiport", "1", CVAR_ARCHIVE); + in_midichannel = Cvar_Get ("in_midichannel", "1", CVAR_ARCHIVE); + in_mididevice = Cvar_Get ("in_mididevice", "0", CVAR_ARCHIVE); + + Cmd_AddCommand( "midiinfo", MidiInfo_f ); + + // mouse variables + in_mouse = Cvar_Get ("in_mouse", "1", CVAR_ARCHIVE|CVAR_LATCH); + in_logitechbug = Cvar_Get ("in_logitechbug", "0", CVAR_ARCHIVE); + + // joystick variables + in_joystick = Cvar_Get ("in_joystick", "0", CVAR_ARCHIVE|CVAR_LATCH); + in_joyBallScale = Cvar_Get ("in_joyBallScale", "0.02", CVAR_ARCHIVE); + in_debugJoystick = Cvar_Get ("in_debugjoystick", "0", CVAR_TEMP); + + joy_threshold = Cvar_Get ("joy_threshold", "0.15", CVAR_ARCHIVE); + + IN_Startup(); +} + + +/* +=========== +IN_Activate + +Called when the main window gains or loses focus. +The window may have been destroyed and recreated +between a deactivate and an activate. +=========== +*/ +void IN_Activate (qboolean active) { + in_appactive = active; + + if ( !active ) + { + IN_DeactivateMouse(); + } +} + + +/* +================== +IN_Frame + +Called every frame, even if not generating commands +================== +*/ +void IN_Frame (void) { + // post joystick events + IN_JoyMove(); + + if ( !s_wmv.mouseInitialized ) { + if (s_wmv.mouseStartupDelayed && g_wv.hWnd) + { + Com_Printf("Proceeding with delayed mouse init\n"); + IN_StartupMouse(); + s_wmv.mouseStartupDelayed = qfalse; + } + return; + } + + if ( cls.keyCatchers & KEYCATCH_CONSOLE ) { + // temporarily deactivate if not in the game and + // running on the desktop + // voodoo always counts as full screen + if (Cvar_VariableValue ("r_fullscreen") == 0 + && strcmp( Cvar_VariableString("r_glDriver"), _3DFX_DRIVER_NAME) ) { + IN_DeactivateMouse (); + return; + } + } + + if ( !in_appactive ) { + IN_DeactivateMouse (); + return; + } + + IN_ActivateMouse(); + + // post events to the system que + IN_MouseMove(); + +} + + +/* +=================== +IN_ClearStates +=================== +*/ +void IN_ClearStates (void) +{ + s_wmv.oldButtonState = 0; +} + + +/* +========================================================================= + +JOYSTICK + +========================================================================= +*/ + +/* +=============== +IN_StartupJoystick +=============== +*/ +void IN_StartupJoystick (void) { + int numdevs; + MMRESULT mmr; + + // assume no joystick + joy.avail = qfalse; + + if (! in_joystick->integer ) { + Com_Printf ("Joystick is not active.\n"); + return; + } + + // verify joystick driver is present + if ((numdevs = joyGetNumDevs ()) == 0) + { + Com_Printf ("joystick not found -- driver not present\n"); + return; + } + + // cycle through the joystick ids for the first valid one + mmr = 0; + for (joy.id=0 ; joy.id<numdevs ; joy.id++) + { + Com_Memset (&joy.ji, 0, sizeof(joy.ji)); + joy.ji.dwSize = sizeof(joy.ji); + joy.ji.dwFlags = JOY_RETURNCENTERED; + + if ((mmr = joyGetPosEx (joy.id, &joy.ji)) == JOYERR_NOERROR) + break; + } + + // abort startup if we didn't find a valid joystick + if (mmr != JOYERR_NOERROR) + { + Com_Printf ("joystick not found -- no valid joysticks (%x)\n", mmr); + return; + } + + // get the capabilities of the selected joystick + // abort startup if command fails + Com_Memset (&joy.jc, 0, sizeof(joy.jc)); + if ((mmr = joyGetDevCaps (joy.id, &joy.jc, sizeof(joy.jc))) != JOYERR_NOERROR) + { + Com_Printf ("joystick not found -- invalid joystick capabilities (%x)\n", mmr); + return; + } + + Com_Printf( "Joystick found.\n" ); + Com_Printf( "Pname: %s\n", joy.jc.szPname ); + Com_Printf( "OemVxD: %s\n", joy.jc.szOEMVxD ); + Com_Printf( "RegKey: %s\n", joy.jc.szRegKey ); + + Com_Printf( "Numbuttons: %i / %i\n", joy.jc.wNumButtons, joy.jc.wMaxButtons ); + Com_Printf( "Axis: %i / %i\n", joy.jc.wNumAxes, joy.jc.wMaxAxes ); + Com_Printf( "Caps: 0x%x\n", joy.jc.wCaps ); + if ( joy.jc.wCaps & JOYCAPS_HASPOV ) { + Com_Printf( "HASPOV\n" ); + } else { + Com_Printf( "no POV\n" ); + } + + // old button and POV states default to no buttons pressed + joy.oldbuttonstate = 0; + joy.oldpovstate = 0; + + // mark the joystick as available + joy.avail = qtrue; +} + +/* +=========== +JoyToF +=========== +*/ +float JoyToF( int value ) { + float fValue; + + // move centerpoint to zero + value -= 32768; + + // convert range from -32768..32767 to -1..1 + fValue = (float)value / 32768.0; + + if ( fValue < -1 ) { + fValue = -1; + } + if ( fValue > 1 ) { + fValue = 1; + } + return fValue; +} + +int JoyToI( int value ) { + // move centerpoint to zero + value -= 32768; + + return value; +} + +int joyDirectionKeys[16] = { + K_LEFTARROW, K_RIGHTARROW, + K_UPARROW, K_DOWNARROW, + K_JOY16, K_JOY17, + K_JOY18, K_JOY19, + K_JOY20, K_JOY21, + K_JOY22, K_JOY23, + + K_JOY24, K_JOY25, + K_JOY26, K_JOY27 +}; + +/* +=========== +IN_JoyMove +=========== +*/ +void IN_JoyMove( void ) { + float fAxisValue; + int i; + DWORD buttonstate, povstate; + int x, y; + + // verify joystick is available and that the user wants to use it + if ( !joy.avail ) { + return; + } + + // collect the joystick data, if possible + Com_Memset (&joy.ji, 0, sizeof(joy.ji)); + joy.ji.dwSize = sizeof(joy.ji); + joy.ji.dwFlags = JOY_RETURNALL; + + if ( joyGetPosEx (joy.id, &joy.ji) != JOYERR_NOERROR ) { + // read error occurred + // turning off the joystick seems too harsh for 1 read error, + // but what should be done? + // Com_Printf ("IN_ReadJoystick: no response\n"); + // joy.avail = false; + return; + } + + if ( in_debugJoystick->integer ) { + Com_Printf( "%8x %5i %5.2f %5.2f %5.2f %5.2f %6i %6i\n", + joy.ji.dwButtons, + joy.ji.dwPOV, + JoyToF( joy.ji.dwXpos ), JoyToF( joy.ji.dwYpos ), + JoyToF( joy.ji.dwZpos ), JoyToF( joy.ji.dwRpos ), + JoyToI( joy.ji.dwUpos ), JoyToI( joy.ji.dwVpos ) ); + } + + // loop through the joystick buttons + // key a joystick event or auxillary event for higher number buttons for each state change + buttonstate = joy.ji.dwButtons; + for ( i=0 ; i < joy.jc.wNumButtons ; i++ ) { + if ( (buttonstate & (1<<i)) && !(joy.oldbuttonstate & (1<<i)) ) { + Sys_QueEvent( g_wv.sysMsgTime, SE_KEY, K_JOY1 + i, qtrue, 0, NULL ); + } + if ( !(buttonstate & (1<<i)) && (joy.oldbuttonstate & (1<<i)) ) { + Sys_QueEvent( g_wv.sysMsgTime, SE_KEY, K_JOY1 + i, qfalse, 0, NULL ); + } + } + joy.oldbuttonstate = buttonstate; + + povstate = 0; + + // convert main joystick motion into 6 direction button bits + for (i = 0; i < joy.jc.wNumAxes && i < 4 ; i++) { + // get the floating point zero-centered, potentially-inverted data for the current axis + fAxisValue = JoyToF( (&joy.ji.dwXpos)[i] ); + + if ( fAxisValue < -joy_threshold->value ) { + povstate |= (1<<(i*2)); + } else if ( fAxisValue > joy_threshold->value ) { + povstate |= (1<<(i*2+1)); + } + } + + // convert POV information from a direction into 4 button bits + if ( joy.jc.wCaps & JOYCAPS_HASPOV ) { + if ( joy.ji.dwPOV != JOY_POVCENTERED ) { + if (joy.ji.dwPOV == JOY_POVFORWARD) + povstate |= 1<<12; + if (joy.ji.dwPOV == JOY_POVBACKWARD) + povstate |= 1<<13; + if (joy.ji.dwPOV == JOY_POVRIGHT) + povstate |= 1<<14; + if (joy.ji.dwPOV == JOY_POVLEFT) + povstate |= 1<<15; + } + } + + // determine which bits have changed and key an auxillary event for each change + for (i=0 ; i < 16 ; i++) { + if ( (povstate & (1<<i)) && !(joy.oldpovstate & (1<<i)) ) { + Sys_QueEvent( g_wv.sysMsgTime, SE_KEY, joyDirectionKeys[i], qtrue, 0, NULL ); + } + + if ( !(povstate & (1<<i)) && (joy.oldpovstate & (1<<i)) ) { + Sys_QueEvent( g_wv.sysMsgTime, SE_KEY, joyDirectionKeys[i], qfalse, 0, NULL ); + } + } + joy.oldpovstate = povstate; + + // if there is a trackball like interface, simulate mouse moves + if ( joy.jc.wNumAxes >= 6 ) { + x = JoyToI( joy.ji.dwUpos ) * in_joyBallScale->value; + y = JoyToI( joy.ji.dwVpos ) * in_joyBallScale->value; + if ( x || y ) { + Sys_QueEvent( g_wv.sysMsgTime, SE_MOUSE, x, y, 0, NULL ); + } + } +} + +/* +========================================================================= + +MIDI + +========================================================================= +*/ + +static void MIDI_NoteOff( int note ) +{ + int qkey; + + qkey = note - 60 + K_AUX1; + + if ( qkey > 255 || qkey < K_AUX1 ) + return; + + Sys_QueEvent( g_wv.sysMsgTime, SE_KEY, qkey, qfalse, 0, NULL ); +} + +static void MIDI_NoteOn( int note, int velocity ) +{ + int qkey; + + if ( velocity == 0 ) + MIDI_NoteOff( note ); + + qkey = note - 60 + K_AUX1; + + if ( qkey > 255 || qkey < K_AUX1 ) + return; + + Sys_QueEvent( g_wv.sysMsgTime, SE_KEY, qkey, qtrue, 0, NULL ); +} + +static void CALLBACK MidiInProc( HMIDIIN hMidiIn, UINT uMsg, DWORD dwInstance, + DWORD dwParam1, DWORD dwParam2 ) +{ + int message; + + switch ( uMsg ) + { + case MIM_OPEN: + break; + case MIM_CLOSE: + break; + case MIM_DATA: + message = dwParam1 & 0xff; + + // note on + if ( ( message & 0xf0 ) == 0x90 ) + { + if ( ( ( message & 0x0f ) + 1 ) == in_midichannel->integer ) + MIDI_NoteOn( ( dwParam1 & 0xff00 ) >> 8, ( dwParam1 & 0xff0000 ) >> 16 ); + } + else if ( ( message & 0xf0 ) == 0x80 ) + { + if ( ( ( message & 0x0f ) + 1 ) == in_midichannel->integer ) + MIDI_NoteOff( ( dwParam1 & 0xff00 ) >> 8 ); + } + break; + case MIM_LONGDATA: + break; + case MIM_ERROR: + break; + case MIM_LONGERROR: + break; + } + +// Sys_QueEvent( sys_msg_time, SE_KEY, wMsg, qtrue, 0, NULL ); +} + +static void MidiInfo_f( void ) +{ + int i; + + const char *enableStrings[] = { "disabled", "enabled" }; + + Com_Printf( "\nMIDI control: %s\n", enableStrings[in_midi->integer != 0] ); + Com_Printf( "port: %d\n", in_midiport->integer ); + Com_Printf( "channel: %d\n", in_midichannel->integer ); + Com_Printf( "current device: %d\n", in_mididevice->integer ); + Com_Printf( "number of devices: %d\n", s_midiInfo.numDevices ); + for ( i = 0; i < s_midiInfo.numDevices; i++ ) + { + if ( i == Cvar_VariableValue( "in_mididevice" ) ) + Com_Printf( "***" ); + else + Com_Printf( "..." ); + Com_Printf( "device %2d: %s\n", i, s_midiInfo.caps[i].szPname ); + Com_Printf( "...manufacturer ID: 0x%hx\n", s_midiInfo.caps[i].wMid ); + Com_Printf( "...product ID: 0x%hx\n", s_midiInfo.caps[i].wPid ); + + Com_Printf( "\n" ); + } +} + +static void IN_StartupMIDI( void ) +{ + int i; + + if ( !Cvar_VariableValue( "in_midi" ) ) + return; + + // + // enumerate MIDI IN devices + // + s_midiInfo.numDevices = midiInGetNumDevs(); + + for ( i = 0; i < s_midiInfo.numDevices; i++ ) + { + midiInGetDevCaps( i, &s_midiInfo.caps[i], sizeof( s_midiInfo.caps[i] ) ); + } + + // + // open the MIDI IN port + // + if ( midiInOpen( &s_midiInfo.hMidiIn, + in_mididevice->integer, + ( unsigned long ) MidiInProc, + ( unsigned long ) NULL, + CALLBACK_FUNCTION ) != MMSYSERR_NOERROR ) + { + Com_Printf( "WARNING: could not open MIDI device %d: '%s'\n", in_mididevice->integer , s_midiInfo.caps[( int ) in_mididevice->value] ); + return; + } + + midiInStart( s_midiInfo.hMidiIn ); +} + +static void IN_ShutdownMIDI( void ) +{ + if ( s_midiInfo.hMidiIn ) + { + midiInClose( s_midiInfo.hMidiIn ); + } + Com_Memset( &s_midiInfo, 0, sizeof( s_midiInfo ) ); +} + |