/* joy_win.c Joystick device driver for Win32 Copyright (C) 2000 Jeff Teunissen Copyright (C) 2000 Jukka Sorjonen This program 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. This program 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 this program; if not, write to: Free Software Foundation, Inc. 59 Temple Place - Suite 330 Boston, MA 02111-1307, USA $Id$ */ // fixme: THIS IS NOT FINISHED YET #ifdef HAVE_CONFIG_H # include "config.h" #endif #ifdef __MINGW32__ # define INITGUID #endif #define byte __byte #include #undef byte #include "cl_input.h" #include "client.h" #include "cmd.h" #include "console.h" #include "cvar.h" #include "host.h" #include "input.h" #include "keys.h" #include "protocol.h" #include "qargs.h" #include "view.h" // Joystick variables and structures cvar_t *joy_device; // Joystick device name cvar_t *joy_enable; // Joystick enabling flag cvar_t *joy_sensitivity; // Joystick sensitivity qboolean joy_found = false; qboolean joy_active = false; // joystick defines and variables // where should defines be moved? #define JOY_ABSOLUTE_AXIS 0x00000000 // control like a joystick #define JOY_RELATIVE_AXIS 0x00000010 // control like a mouse, spinner, // trackball #define JOY_MAX_AXES 6 // X, Y, Z, R, U, V #define JOY_AXIS_X 0 #define JOY_AXIS_Y 1 #define JOY_AXIS_Z 2 #define JOY_AXIS_R 3 #define JOY_AXIS_U 4 #define JOY_AXIS_V 5 enum _ControlList { AxisNada = 0, AxisForward, AxisLook, AxisSide, AxisTurn }; DWORD dwAxisFlags[JOY_MAX_AXES] = { JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ, JOY_RETURNR, JOY_RETURNU, JOY_RETURNV }; DWORD dwAxisMap[JOY_MAX_AXES]; DWORD dwControlMap[JOY_MAX_AXES]; PDWORD pdwRawValue[JOY_MAX_AXES]; JOYINFOEX ji; // none of these cvars are saved over a session // this means that advanced controller configuration needs to be executed // each time. this avoids any problems with getting back to a default usage // or when changing from one controller to another. this way at least something // works. cvar_t *in_joystick; cvar_t *joy_name; cvar_t *joy_advanced; cvar_t *joy_advaxisx; cvar_t *joy_advaxisy; cvar_t *joy_advaxisz; cvar_t *joy_advaxisr; cvar_t *joy_advaxisu; cvar_t *joy_advaxisv; cvar_t *joy_forwardthreshold; cvar_t *joy_sidethreshold; cvar_t *joy_pitchthreshold; cvar_t *joy_yawthreshold; cvar_t *joy_forwardsensitivity; cvar_t *joy_sidesensitivity; cvar_t *joy_pitchsensitivity; cvar_t *joy_yawsensitivity; cvar_t *joy_wwhack1; cvar_t *joy_wwhack2; cvar_t *joy_debug; qboolean joy_advancedinit, joy_haspov; DWORD joy_oldbuttonstate, joy_oldpovstate; int joy_id; DWORD joy_flags; DWORD joy_numbuttons; // // // void JOY_AdvancedUpdate_f (void); void JOY_StartupJoystick (void); void JOY_Move (usercmd_t *cmd); void JOY_Init_Cvars(void); PDWORD RawValuePointer (int axis); qboolean JOY_Read (void) { memset (&ji, 0, sizeof (ji)); ji.dwSize = sizeof (ji); ji.dwFlags = joy_flags; if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR) { // HACK HACK HACK -- there's a bug in the Logitech Wingman Warrior's // DInput driver that causes it to make 32668 the center point // instead // of 32768 if (joy_wwhack1->int_val) { ji.dwUpos += 100; } if (joy_debug->int_val) { if (ji.dwXpos) Con_Printf("X: %ld\n",ji.dwXpos); if (ji.dwYpos) Con_Printf("Y: %ld\n",ji.dwYpos); if (ji.dwZpos) Con_Printf("Z: %ld\n",ji.dwZpos); if (ji.dwRpos) Con_Printf("R: %ld\n",ji.dwRpos); if (ji.dwUpos) Con_Printf("U: %ld\n",ji.dwUpos); if (ji.dwVpos) Con_Printf("V: %ld\n",ji.dwVpos); if (ji.dwButtons) Con_Printf("B: %ld\n",ji.dwButtons); } return true; } else { // read error return false; } } void JOY_Command (void) { int i, key_index; DWORD buttonstate, povstate; if (!joy_found) { return; } // loop through the joystick buttons // key a joystick event or auxillary event for higher number buttons for // each state change buttonstate = ji.dwButtons; for (i = 0; i < joy_numbuttons; i++) { if ((buttonstate & (1 << i)) && !(joy_oldbuttonstate & (1 << i))) { key_index = (i < 4) ? K_JOY1 : K_AUX1; Key_Event (key_index + i, -1, true); } if (!(buttonstate & (1 << i)) && (joy_oldbuttonstate & (1 << i))) { key_index = (i < 4) ? K_JOY1 : K_AUX1; Key_Event (key_index + i, -1, false); } } joy_oldbuttonstate = buttonstate; if (joy_haspov) { // convert POV information into 4 bits of state information // this avoids any potential problems related to moving from one // direction to another without going through the center position povstate = 0; if (ji.dwPOV != JOY_POVCENTERED) { if (ji.dwPOV == JOY_POVFORWARD) povstate |= 0x01; if (ji.dwPOV == JOY_POVRIGHT) povstate |= 0x02; if (ji.dwPOV == JOY_POVBACKWARD) povstate |= 0x04; if (ji.dwPOV == JOY_POVLEFT) povstate |= 0x08; } // determine which bits have changed and key an auxillary event for // each change for (i = 0; i < 4; i++) { if ((povstate & (1 << i)) && !(joy_oldpovstate & (1 << i))) { Key_Event (K_AUX29 + i, -1, true); } if (!(povstate & (1 << i)) && (joy_oldpovstate & (1 << i))) { Key_Event (K_AUX29 + i, -1, false); } } joy_oldpovstate = povstate; } } void JOY_Move (usercmd_t *cmd) { float speed, aspeed; float fAxisValue, fTemp; int i; static int lastjoy=0; // complete initialization if first time in // this is needed as cvars are not available at initialization time if (!joy_advancedinit || lastjoy!=joy_advanced->int_val) { JOY_AdvancedUpdate_f (); joy_advancedinit = true; lastjoy=joy_advanced->int_val; } // verify joystick is available and that the user wants to use it if (!joy_active || !joy_enable->int_val) { return; } // collect the joystick data, if possible if (!JOY_Read ()) { return; } if (in_speed.state & 1) speed = cl_movespeedkey->value; else speed = 1; aspeed = speed * host_frametime; // loop through the axes for (i = 0; i < JOY_MAX_AXES; i++) { // get the floating point zero-centered, potentially-inverted data // for the current axis fAxisValue = (float) *pdwRawValue[i]; // move centerpoint to zero fAxisValue -= 32768.0; if (joy_wwhack2->int_val) { if (dwAxisMap[i] == AxisTurn) { // this is a special formula for the Logitech WingMan Warrior // y=ax^b; where a = 300 and b = 1.3 // also x values are in increments of 800 (so this is // factored out) // then bounds check result to level out excessively high // spin rates fTemp = 300.0 * pow (abs (fAxisValue) / 800.0, 1.3); if (fTemp > 14000.0) fTemp = 14000.0; // restore direction information fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp; } } // convert range from -32768..32767 to -1..1 fAxisValue /= 32768.0; switch (dwAxisMap[i]) { case AxisForward: if (!joy_advanced->int_val && freelook) { // user wants forward control to become look control if (fabs (fAxisValue) > joy_pitchthreshold->value) { // if mouse invert is on, invert the joystick pitch // value // only absolute control support here (joy_advanced // is false) if (m_pitch->value < 0.0) { cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity->value) * aspeed * cl_pitchspeed->value; } else { cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity->value) * aspeed * cl_pitchspeed->value; } V_StopPitchDrift (); } else { // no pitch movement // disable pitch return-to-center unless requested by // user // *** this code can be removed when the lookspring // bug is fixed // *** the bug always has the lookspring feature on if (!lookspring->int_val) V_StopPitchDrift (); } } else { // user wants forward control to be forward control if (fabs (fAxisValue) > joy_forwardthreshold->value) { cmd->forwardmove += (fAxisValue * joy_forwardsensitivity->value) * speed * cl_forwardspeed->value; } } break; case AxisSide: if (fabs (fAxisValue) > joy_sidethreshold->value) { cmd->sidemove += (fAxisValue * joy_sidesensitivity->value) * speed * cl_sidespeed->value; } break; case AxisTurn: if ((in_strafe.state & 1) || (lookstrafe->int_val && freelook)) { // user wants turn control to become side control if (fabs (fAxisValue) > joy_sidethreshold->value) { cmd->sidemove -= (fAxisValue * joy_sidesensitivity->value) * speed * cl_sidespeed->value; } } else { // user wants turn control to be turn control if (fabs (fAxisValue) > joy_yawthreshold->value) { if (dwControlMap[i] == JOY_ABSOLUTE_AXIS) { cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity->value) * aspeed * cl_yawspeed->value; } else { cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity->value) * speed * 180.0; } } } break; case AxisLook: if (freelook) { if (fabs (fAxisValue) > joy_pitchthreshold->value) { // pitch movement detected and pitch movement desired // by user if (dwControlMap[i] == JOY_ABSOLUTE_AXIS) { cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity->value) * aspeed * cl_pitchspeed->value; } else { cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity->value) * speed * 180.0; } V_StopPitchDrift (); } else { // no pitch movement // disable pitch return-to-center unless requested by // user // *** this code can be removed when the lookspring // bug is fixed // *** the bug always has the lookspring feature on if (!lookspring->int_val) V_StopPitchDrift (); } } break; default: break; } } // bounds check pitch cl.viewangles[PITCH] = bound (-70, cl.viewangles[PITCH], 80); } void JOY_Init (void) { JOY_StartupJoystick(); Cmd_AddCommand ("joyadvancedupdate", JOY_AdvancedUpdate_f, "No Description"); // Con_DPrintf ("This system does not have joystick support.\n"); } void JOY_Shutdown (void) { joy_active = false; joy_found = false; } /* =========== Joy_AdvancedUpdate_f =========== */ void JOY_AdvancedUpdate_f (void) { // called once by JOY_ReadJoystick and by user whenever an update is // needed // cvars are now available int i; DWORD dwTemp; // initialize all the maps for (i = 0; i < JOY_MAX_AXES; i++) { dwAxisMap[i] = AxisNada; dwControlMap[i] = JOY_ABSOLUTE_AXIS; pdwRawValue[i] = RawValuePointer (i); } if (joy_advanced->int_val) { // default joystick initialization // 2 axes only with joystick control dwAxisMap[JOY_AXIS_X] = AxisTurn; // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS; dwAxisMap[JOY_AXIS_Y] = AxisForward; // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS; } else { if (strcmp (joy_name->string, "joystick") != 0) { // notify user of advanced controller Con_Printf ("\n%s configured\n\n", joy_name->string); } // advanced initialization here // data supplied by user via joy_axisn cvars dwTemp = joy_advaxisx->int_val; dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f; dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS; dwTemp = joy_advaxisy->int_val; dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f; dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS; dwTemp = joy_advaxisz->int_val; dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f; dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS; dwTemp = joy_advaxisr->int_val; dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f; dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS; dwTemp = joy_advaxisu->int_val; dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f; dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS; dwTemp = joy_advaxisv->int_val; dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f; dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS; } // compute the axes to collect from DirectInput joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV; for (i = 0; i < JOY_MAX_AXES; i++) { if (dwAxisMap[i] != AxisNada) { joy_flags |= dwAxisFlags[i]; } } } /* =============== IN_StartupJoystick =============== */ void JOY_StartupJoystick (void) { int /* i, */ numdevs; JOYCAPS jc; MMRESULT mmr = !JOYERR_NOERROR; // assume no joystick joy_found = false; // abort startup if user requests no joystick if (COM_CheckParm ("-nojoy")) return; // verify joystick driver is present if ((numdevs = joyGetNumDevs ()) == 0) { Con_Printf ("\njoystick not found -- driver not present\n\n"); return; } // cycle through the joystick ids for the first valid one for (joy_id = 0; joy_id < numdevs; joy_id++) { memset (&ji, 0, sizeof (ji)); ji.dwSize = sizeof (ji); ji.dwFlags = JOY_RETURNCENTERED; if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR) break; } // abort startup if we didn't find a valid joystick if (mmr != JOYERR_NOERROR) { Con_Printf ("\njoystick not found -- no valid joysticks (%x)\n\n", mmr); return; } // get the capabilities of the selected joystick // abort startup if command fails memset (&jc, 0, sizeof (jc)); if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof (jc))) != JOYERR_NOERROR) { Con_Printf ("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr); return; } // save the joystick's number of buttons and POV status joy_numbuttons = jc.wNumButtons; joy_haspov = jc.wCaps & JOYCAPS_HASPOV; // old button and POV states default to no buttons pressed joy_oldbuttonstate = joy_oldpovstate = 0; // mark the joystick as available and advanced initialization not // completed // this is needed as cvars are not available during initialization joy_advancedinit = false; joy_found = true; // fixme: do this right joy_active = true; Con_Printf ("\njoystick detected\n\n"); } /* =========== RawValuePointer =========== */ PDWORD RawValuePointer (int axis) { switch (axis) { case JOY_AXIS_X: return &ji.dwXpos; case JOY_AXIS_Y: return &ji.dwYpos; case JOY_AXIS_Z: return &ji.dwZpos; case JOY_AXIS_R: return &ji.dwRpos; case JOY_AXIS_U: return &ji.dwUpos; case JOY_AXIS_V: return &ji.dwVpos; } return NULL; } void JOY_Init_Cvars(void) { joy_device = Cvar_Get ("joy_device", "none", CVAR_NONE | CVAR_ROM, "Joystick device"); joy_enable = Cvar_Get ("joy_enable", "1", CVAR_NONE | CVAR_ARCHIVE, "Joystick enable flag"); joy_sensitivity = Cvar_Get ("joy_sensitivity", "1", CVAR_NONE | CVAR_ARCHIVE, "Joystick sensitivity"); // joystick variables /* FIXME: Someone who has windows please document these cvars.*/ in_joystick = Cvar_Get ("joystick", "0", CVAR_ARCHIVE, "FIXME: Please document"); joy_name = Cvar_Get ("joyname", "joystick", CVAR_NONE, "FIXME: Please document"); joy_advanced = Cvar_Get ("joyadvanced", "0", CVAR_NONE, "FIXME: Please document"); joy_advaxisx = Cvar_Get ("joyadvaxisx", "0", CVAR_NONE, "FIXME: Please document"); joy_advaxisy = Cvar_Get ("joyadvaxisy", "0", CVAR_NONE, "FIXME: Please document"); joy_advaxisz = Cvar_Get ("joyadvaxisz", "0", CVAR_NONE, "FIXME: Please document"); joy_advaxisr = Cvar_Get ("joyadvaxisr", "0", CVAR_NONE, "FIXME: Please document"); joy_advaxisu = Cvar_Get ("joyadvaxisu", "0", CVAR_NONE, "FIXME: Please document"); joy_advaxisv = Cvar_Get ("joyadvaxisv", "0", CVAR_NONE, "FIXME: Please document"); joy_forwardthreshold = Cvar_Get ("joyforwardthreshold", "0.15", CVAR_NONE, "FIXME: Please document"); joy_sidethreshold = Cvar_Get ("joysidethreshold", "0.15", CVAR_NONE, "FIXME: Please document"); joy_pitchthreshold = Cvar_Get ("joypitchthreshold", "0.15", CVAR_NONE, "FIXME: Please document"); joy_yawthreshold = Cvar_Get ("joyyawthreshold", "0.15", CVAR_NONE, "FIXME: Please document"); joy_forwardsensitivity = Cvar_Get ("joyforwardsensitivity", "-1.0", CVAR_NONE, "FIXME: Please document"); joy_sidesensitivity = Cvar_Get ("joysidesensitivity", "-1.0", CVAR_NONE, "FIXME: Please document"); joy_pitchsensitivity = Cvar_Get ("joypitchsensitivity", "1.0", CVAR_NONE, "FIXME: Please document"); joy_yawsensitivity = Cvar_Get ("joyyawsensitivity", "-1.0", CVAR_NONE, "FIXME: Please document"); joy_wwhack1 = Cvar_Get ("joywwhack1", "0.0", CVAR_NONE, "FIXME: Please document"); joy_wwhack2 = Cvar_Get ("joywwhack2", "0.0", CVAR_NONE, "FIXME: Please document"); joy_debug = Cvar_Get ("joy_debug", "0.0", CVAR_NONE, "FIXME: Please document"); return; }