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ioq3quest/code/sdl/sdl_input.c

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/*
===========================================================================
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
===========================================================================
*/
#ifdef USE_LOCAL_HEADERS
# include "SDL.h"
#else
# include <SDL.h>
#endif
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include "../client/client.h"
#include "../sys/sys_local.h"
static cvar_t *in_keyboardDebug = NULL;
static SDL_GameController *gamepad = NULL;
static SDL_Joystick *stick = NULL;
static qboolean mouseAvailable = qfalse;
static qboolean mouseActive = qfalse;
static cvar_t *in_mouse = NULL;
static cvar_t *in_nograb;
static cvar_t *in_joystick = NULL;
static cvar_t *in_joystickThreshold = NULL;
static cvar_t *in_joystickNo = NULL;
static cvar_t *in_joystickUseAnalog = NULL;
static int vidRestartTime = 0;
static SDL_Window *SDL_window = NULL;
#define CTRL(a) ((a)-'a'+1)
/*
===============
IN_PrintKey
===============
*/
static void IN_PrintKey( const SDL_Keysym *keysym, keyNum_t key, qboolean down )
{
if( down )
Com_Printf( "+ " );
else
Com_Printf( " " );
Com_Printf( "Scancode: 0x%02x(%s) Sym: 0x%02x(%s)",
keysym->scancode, SDL_GetScancodeName( keysym->scancode ),
keysym->sym, SDL_GetKeyName( keysym->sym ) );
if( keysym->mod & KMOD_LSHIFT ) Com_Printf( " KMOD_LSHIFT" );
if( keysym->mod & KMOD_RSHIFT ) Com_Printf( " KMOD_RSHIFT" );
if( keysym->mod & KMOD_LCTRL ) Com_Printf( " KMOD_LCTRL" );
if( keysym->mod & KMOD_RCTRL ) Com_Printf( " KMOD_RCTRL" );
if( keysym->mod & KMOD_LALT ) Com_Printf( " KMOD_LALT" );
if( keysym->mod & KMOD_RALT ) Com_Printf( " KMOD_RALT" );
if( keysym->mod & KMOD_LGUI ) Com_Printf( " KMOD_LGUI" );
if( keysym->mod & KMOD_RGUI ) Com_Printf( " KMOD_RGUI" );
if( keysym->mod & KMOD_NUM ) Com_Printf( " KMOD_NUM" );
if( keysym->mod & KMOD_CAPS ) Com_Printf( " KMOD_CAPS" );
if( keysym->mod & KMOD_MODE ) Com_Printf( " KMOD_MODE" );
if( keysym->mod & KMOD_RESERVED ) Com_Printf( " KMOD_RESERVED" );
Com_Printf( " Q:0x%02x(%s)\n", key, Key_KeynumToString( key ) );
}
#define MAX_CONSOLE_KEYS 16
/*
===============
IN_IsConsoleKey
TODO: If the SDL_Scancode situation improves, use it instead of
both of these methods
===============
*/
static qboolean IN_IsConsoleKey( keyNum_t key, int character )
{
typedef struct consoleKey_s
{
enum
{
QUAKE_KEY,
CHARACTER
} type;
union
{
keyNum_t key;
int character;
} u;
} consoleKey_t;
static consoleKey_t consoleKeys[ MAX_CONSOLE_KEYS ];
static int numConsoleKeys = 0;
int i;
// Only parse the variable when it changes
if( cl_consoleKeys->modified )
{
char *text_p, *token;
cl_consoleKeys->modified = qfalse;
text_p = cl_consoleKeys->string;
numConsoleKeys = 0;
while( numConsoleKeys < MAX_CONSOLE_KEYS )
{
consoleKey_t *c = &consoleKeys[ numConsoleKeys ];
int charCode = 0;
token = COM_Parse( &text_p );
if( !token[ 0 ] )
break;
if( strlen( token ) == 4 )
charCode = Com_HexStrToInt( token );
if( charCode > 0 )
{
c->type = CHARACTER;
c->u.character = charCode;
}
else
{
c->type = QUAKE_KEY;
c->u.key = Key_StringToKeynum( token );
// 0 isn't a key
if( c->u.key <= 0 )
continue;
}
numConsoleKeys++;
}
}
// If the character is the same as the key, prefer the character
if( key == character )
key = 0;
for( i = 0; i < numConsoleKeys; i++ )
{
consoleKey_t *c = &consoleKeys[ i ];
switch( c->type )
{
case QUAKE_KEY:
if( key && c->u.key == key )
return qtrue;
break;
case CHARACTER:
if( c->u.character == character )
return qtrue;
break;
}
}
return qfalse;
}
/*
===============
IN_TranslateSDLToQ3Key
===============
*/
static keyNum_t IN_TranslateSDLToQ3Key( SDL_Keysym *keysym, qboolean down )
{
keyNum_t key = 0;
if( keysym->sym >= SDLK_SPACE && keysym->sym < SDLK_DELETE )
{
// These happen to match the ASCII chars
key = (int)keysym->sym;
}
else
{
switch( keysym->sym )
{
case SDLK_PAGEUP: key = K_PGUP; break;
case SDLK_KP_9: key = K_KP_PGUP; break;
case SDLK_PAGEDOWN: key = K_PGDN; break;
case SDLK_KP_3: key = K_KP_PGDN; break;
case SDLK_KP_7: key = K_KP_HOME; break;
case SDLK_HOME: key = K_HOME; break;
case SDLK_KP_1: key = K_KP_END; break;
case SDLK_END: key = K_END; break;
case SDLK_KP_4: key = K_KP_LEFTARROW; break;
case SDLK_LEFT: key = K_LEFTARROW; break;
case SDLK_KP_6: key = K_KP_RIGHTARROW; break;
case SDLK_RIGHT: key = K_RIGHTARROW; break;
case SDLK_KP_2: key = K_KP_DOWNARROW; break;
case SDLK_DOWN: key = K_DOWNARROW; break;
case SDLK_KP_8: key = K_KP_UPARROW; break;
case SDLK_UP: key = K_UPARROW; break;
case SDLK_ESCAPE: key = K_ESCAPE; break;
case SDLK_KP_ENTER: key = K_KP_ENTER; break;
case SDLK_RETURN: key = K_ENTER; break;
case SDLK_TAB: key = K_TAB; break;
case SDLK_F1: key = K_F1; break;
case SDLK_F2: key = K_F2; break;
case SDLK_F3: key = K_F3; break;
case SDLK_F4: key = K_F4; break;
case SDLK_F5: key = K_F5; break;
case SDLK_F6: key = K_F6; break;
case SDLK_F7: key = K_F7; break;
case SDLK_F8: key = K_F8; break;
case SDLK_F9: key = K_F9; break;
case SDLK_F10: key = K_F10; break;
case SDLK_F11: key = K_F11; break;
case SDLK_F12: key = K_F12; break;
case SDLK_F13: key = K_F13; break;
case SDLK_F14: key = K_F14; break;
case SDLK_F15: key = K_F15; break;
case SDLK_BACKSPACE: key = K_BACKSPACE; break;
case SDLK_KP_PERIOD: key = K_KP_DEL; break;
case SDLK_DELETE: key = K_DEL; break;
case SDLK_PAUSE: key = K_PAUSE; break;
case SDLK_LSHIFT:
case SDLK_RSHIFT: key = K_SHIFT; break;
case SDLK_LCTRL:
case SDLK_RCTRL: key = K_CTRL; break;
#ifdef __APPLE__
case SDLK_RGUI:
case SDLK_LGUI: key = K_COMMAND; break;
#else
case SDLK_RGUI:
case SDLK_LGUI: key = K_SUPER; break;
#endif
case SDLK_RALT:
case SDLK_LALT: key = K_ALT; break;
case SDLK_KP_5: key = K_KP_5; break;
case SDLK_INSERT: key = K_INS; break;
case SDLK_KP_0: key = K_KP_INS; break;
case SDLK_KP_MULTIPLY: key = K_KP_STAR; break;
case SDLK_KP_PLUS: key = K_KP_PLUS; break;
case SDLK_KP_MINUS: key = K_KP_MINUS; break;
case SDLK_KP_DIVIDE: key = K_KP_SLASH; break;
case SDLK_MODE: key = K_MODE; break;
case SDLK_HELP: key = K_HELP; break;
case SDLK_PRINTSCREEN: key = K_PRINT; break;
case SDLK_SYSREQ: key = K_SYSREQ; break;
case SDLK_MENU: key = K_MENU; break;
case SDLK_APPLICATION: key = K_MENU; break;
case SDLK_POWER: key = K_POWER; break;
case SDLK_UNDO: key = K_UNDO; break;
case SDLK_SCROLLLOCK: key = K_SCROLLOCK; break;
case SDLK_NUMLOCKCLEAR: key = K_KP_NUMLOCK; break;
case SDLK_CAPSLOCK: key = K_CAPSLOCK; break;
default:
break;
}
}
if( in_keyboardDebug->integer )
IN_PrintKey( keysym, key, down );
if( IN_IsConsoleKey( key, 0 ) )
{
// Console keys can't be bound or generate characters
key = K_CONSOLE;
}
return key;
}
/*
===============
IN_GobbleMotionEvents
===============
*/
static void IN_GobbleMotionEvents( void )
{
SDL_Event dummy[ 1 ];
int val = 0;
// Gobble any mouse motion events
SDL_PumpEvents( );
while( ( val = SDL_PeepEvents( dummy, 1, SDL_GETEVENT,
SDL_MOUSEMOTION, SDL_MOUSEMOTION ) ) > 0 ) { }
if ( val < 0 )
Com_Printf( "IN_GobbleMotionEvents failed: %s\n", SDL_GetError( ) );
}
/*
===============
IN_ActivateMouse
===============
*/
static void IN_ActivateMouse( void )
{
if (!mouseAvailable || !SDL_WasInit( SDL_INIT_VIDEO ) )
return;
if( !mouseActive )
{
SDL_SetRelativeMouseMode( SDL_TRUE );
SDL_SetWindowGrab( SDL_window, SDL_TRUE );
IN_GobbleMotionEvents( );
}
// in_nograb makes no sense in fullscreen mode
if( !Cvar_VariableIntegerValue("r_fullscreen") )
{
if( in_nograb->modified || !mouseActive )
{
if( in_nograb->integer )
SDL_SetWindowGrab( SDL_window, SDL_FALSE );
else
SDL_SetWindowGrab( SDL_window, SDL_TRUE );
in_nograb->modified = qfalse;
}
}
mouseActive = qtrue;
}
/*
===============
IN_DeactivateMouse
===============
*/
static void IN_DeactivateMouse( void )
{
if( !SDL_WasInit( SDL_INIT_VIDEO ) )
return;
// Always show the cursor when the mouse is disabled,
// but not when fullscreen
if( !Cvar_VariableIntegerValue("r_fullscreen") )
SDL_ShowCursor( 1 );
if( !mouseAvailable )
return;
if( mouseActive )
{
IN_GobbleMotionEvents( );
SDL_SetWindowGrab( SDL_window, SDL_FALSE );
SDL_SetRelativeMouseMode( SDL_FALSE );
// Don't warp the mouse unless the cursor is within the window
if( SDL_GetWindowFlags( SDL_window ) & SDL_WINDOW_MOUSE_FOCUS )
SDL_WarpMouseInWindow( SDL_window, cls.glconfig.vidWidth / 2, cls.glconfig.vidHeight / 2 );
mouseActive = qfalse;
}
}
// We translate axes movement into keypresses
static int joy_keys[16] = {
K_LEFTARROW, K_RIGHTARROW,
K_UPARROW, K_DOWNARROW,
K_JOY17, K_JOY18,
K_JOY19, K_JOY20,
K_JOY21, K_JOY22,
K_JOY23, K_JOY24,
K_JOY25, K_JOY26,
K_JOY27, K_JOY28
};
// translate hat events into keypresses
// the 4 highest buttons are used for the first hat ...
static int hat_keys[16] = {
K_JOY29, K_JOY30,
K_JOY31, K_JOY32,
K_JOY25, K_JOY26,
K_JOY27, K_JOY28,
K_JOY21, K_JOY22,
K_JOY23, K_JOY24,
K_JOY17, K_JOY18,
K_JOY19, K_JOY20
};
struct
{
qboolean buttons[SDL_CONTROLLER_BUTTON_MAX + 1]; // +1 because old max was 16, current SDL_CONTROLLER_BUTTON_MAX is 15
unsigned int oldaxes;
int oldaaxes[MAX_JOYSTICK_AXIS];
unsigned int oldhats;
} stick_state;
/*
===============
IN_InitJoystick
===============
*/
static void IN_InitJoystick( void )
{
int i = 0;
int total = 0;
char buf[16384] = "";
if (gamepad)
SDL_GameControllerClose(gamepad);
if (stick != NULL)
SDL_JoystickClose(stick);
stick = NULL;
gamepad = NULL;
memset(&stick_state, '\0', sizeof (stick_state));
// SDL 2.0.4 requires SDL_INIT_JOYSTICK to be initialized separately from
// SDL_INIT_GAMECONTROLLER for SDL_JoystickOpen() to work correctly,
// despite https://wiki.libsdl.org/SDL_Init (retrieved 2016-08-16)
// indicating SDL_INIT_JOYSTICK should be initialized automatically.
if (!SDL_WasInit(SDL_INIT_JOYSTICK))
{
Com_DPrintf("Calling SDL_Init(SDL_INIT_JOYSTICK)...\n");
if (SDL_Init(SDL_INIT_JOYSTICK) != 0)
{
Com_DPrintf("SDL_Init(SDL_INIT_JOYSTICK) failed: %s\n", SDL_GetError());
return;
}
Com_DPrintf("SDL_Init(SDL_INIT_JOYSTICK) passed.\n");
}
if (!SDL_WasInit(SDL_INIT_GAMECONTROLLER))
{
Com_DPrintf("Calling SDL_Init(SDL_INIT_GAMECONTROLLER)...\n");
if (SDL_Init(SDL_INIT_GAMECONTROLLER) != 0)
{
Com_DPrintf("SDL_Init(SDL_INIT_GAMECONTROLLER) failed: %s\n", SDL_GetError());
return;
}
Com_DPrintf("SDL_Init(SDL_INIT_GAMECONTROLLER) passed.\n");
}
total = SDL_NumJoysticks();
Com_DPrintf("%d possible joysticks\n", total);
// Print list and build cvar to allow ui to select joystick.
for (i = 0; i < total; i++)
{
Q_strcat(buf, sizeof(buf), SDL_JoystickNameForIndex(i));
Q_strcat(buf, sizeof(buf), "\n");
}
Cvar_Get( "in_availableJoysticks", buf, CVAR_ROM );
if( !in_joystick->integer ) {
Com_DPrintf( "Joystick is not active.\n" );
SDL_QuitSubSystem(SDL_INIT_GAMECONTROLLER);
return;
}
in_joystickNo = Cvar_Get( "in_joystickNo", "0", CVAR_ARCHIVE );
if( in_joystickNo->integer < 0 || in_joystickNo->integer >= total )
Cvar_Set( "in_joystickNo", "0" );
in_joystickUseAnalog = Cvar_Get( "in_joystickUseAnalog", "0", CVAR_ARCHIVE );
stick = SDL_JoystickOpen( in_joystickNo->integer );
if (stick == NULL) {
Com_DPrintf( "No joystick opened: %s\n", SDL_GetError() );
return;
}
if (SDL_IsGameController(in_joystickNo->integer))
gamepad = SDL_GameControllerOpen(in_joystickNo->integer);
Com_DPrintf( "Joystick %d opened\n", in_joystickNo->integer );
Com_DPrintf( "Name: %s\n", SDL_JoystickNameForIndex(in_joystickNo->integer) );
Com_DPrintf( "Axes: %d\n", SDL_JoystickNumAxes(stick) );
Com_DPrintf( "Hats: %d\n", SDL_JoystickNumHats(stick) );
Com_DPrintf( "Buttons: %d\n", SDL_JoystickNumButtons(stick) );
Com_DPrintf( "Balls: %d\n", SDL_JoystickNumBalls(stick) );
Com_DPrintf( "Use Analog: %s\n", in_joystickUseAnalog->integer ? "Yes" : "No" );
Com_DPrintf( "Is gamepad: %s\n", gamepad ? "Yes" : "No" );
SDL_JoystickEventState(SDL_QUERY);
SDL_GameControllerEventState(SDL_QUERY);
}
/*
===============
IN_ShutdownJoystick
===============
*/
static void IN_ShutdownJoystick( void )
{
if ( !SDL_WasInit( SDL_INIT_GAMECONTROLLER ) )
return;
if ( !SDL_WasInit( SDL_INIT_JOYSTICK ) )
return;
if (gamepad)
{
SDL_GameControllerClose(gamepad);
gamepad = NULL;
}
if (stick)
{
SDL_JoystickClose(stick);
stick = NULL;
}
SDL_QuitSubSystem(SDL_INIT_GAMECONTROLLER);
SDL_QuitSubSystem(SDL_INIT_JOYSTICK);
}
static qboolean KeyToAxisAndSign(int keynum, int *outAxis, int *outSign)
{
char *bind;
if (!keynum)
return qfalse;
bind = Key_GetBinding(keynum);
if (!bind || *bind != '+')
return qfalse;
*outSign = 0;
if (Q_stricmp(bind, "+forward") == 0)
{
*outAxis = j_forward_axis->integer;
*outSign = j_forward->value > 0.0f ? 1 : -1;
}
else if (Q_stricmp(bind, "+back") == 0)
{
*outAxis = j_forward_axis->integer;
*outSign = j_forward->value > 0.0f ? -1 : 1;
}
else if (Q_stricmp(bind, "+moveleft") == 0)
{
*outAxis = j_side_axis->integer;
*outSign = j_side->value > 0.0f ? -1 : 1;
}
else if (Q_stricmp(bind, "+moveright") == 0)
{
*outAxis = j_side_axis->integer;
*outSign = j_side->value > 0.0f ? 1 : -1;
}
else if (Q_stricmp(bind, "+lookup") == 0)
{
*outAxis = j_pitch_axis->integer;
*outSign = j_pitch->value > 0.0f ? -1 : 1;
}
else if (Q_stricmp(bind, "+lookdown") == 0)
{
*outAxis = j_pitch_axis->integer;
*outSign = j_pitch->value > 0.0f ? 1 : -1;
}
else if (Q_stricmp(bind, "+left") == 0)
{
*outAxis = j_yaw_axis->integer;
*outSign = j_yaw->value > 0.0f ? 1 : -1;
}
else if (Q_stricmp(bind, "+right") == 0)
{
*outAxis = j_yaw_axis->integer;
*outSign = j_yaw->value > 0.0f ? -1 : 1;
}
else if (Q_stricmp(bind, "+moveup") == 0)
{
*outAxis = j_up_axis->integer;
*outSign = j_up->value > 0.0f ? 1 : -1;
}
else if (Q_stricmp(bind, "+movedown") == 0)
{
*outAxis = j_up_axis->integer;
*outSign = j_up->value > 0.0f ? -1 : 1;
}
return *outSign != 0;
}
/*
===============
IN_GamepadMove
===============
*/
static void IN_GamepadMove( void )
{
int i;
int translatedAxes[MAX_JOYSTICK_AXIS];
qboolean translatedAxesSet[MAX_JOYSTICK_AXIS];
SDL_GameControllerUpdate();
// check buttons
for (i = 0; i < SDL_CONTROLLER_BUTTON_MAX; i++)
{
qboolean pressed = SDL_GameControllerGetButton(gamepad, SDL_CONTROLLER_BUTTON_A + i);
if (pressed != stick_state.buttons[i])
{
Com_QueueEvent(0, SE_KEY, K_PAD0_A + i, pressed, 0, NULL);
stick_state.buttons[i] = pressed;
}
}
// must defer translated axes until all real axes are processed
// must be done this way to prevent a later mapped axis from zeroing out a previous one
if (in_joystickUseAnalog->integer)
{
for (i = 0; i < MAX_JOYSTICK_AXIS; i++)
{
translatedAxes[i] = 0;
translatedAxesSet[i] = qfalse;
}
}
// check axes
for (i = 0; i < SDL_CONTROLLER_AXIS_MAX; i++)
{
int axis = SDL_GameControllerGetAxis(gamepad, SDL_CONTROLLER_AXIS_LEFTX + i);
int oldAxis = stick_state.oldaaxes[i];
// Smoothly ramp from dead zone to maximum value
float f = ((float)abs(axis) / 32767.0f - in_joystickThreshold->value) / (1.0f - in_joystickThreshold->value);
if (f < 0.0f)
f = 0.0f;
axis = (int)(32767 * ((axis < 0) ? -f : f));
if (axis != oldAxis)
{
const int negMap[SDL_CONTROLLER_AXIS_MAX] = { K_PAD0_LEFTSTICK_LEFT, K_PAD0_LEFTSTICK_UP, K_PAD0_RIGHTSTICK_LEFT, K_PAD0_RIGHTSTICK_UP, 0, 0 };
const int posMap[SDL_CONTROLLER_AXIS_MAX] = { K_PAD0_LEFTSTICK_RIGHT, K_PAD0_LEFTSTICK_DOWN, K_PAD0_RIGHTSTICK_RIGHT, K_PAD0_RIGHTSTICK_DOWN, K_PAD0_LEFTTRIGGER, K_PAD0_RIGHTTRIGGER };
qboolean posAnalog = qfalse, negAnalog = qfalse;
int negKey = negMap[i];
int posKey = posMap[i];
if (in_joystickUseAnalog->integer)
{
int posAxis = 0, posSign = 0, negAxis = 0, negSign = 0;
// get axes and axes signs for keys if available
posAnalog = KeyToAxisAndSign(posKey, &posAxis, &posSign);
negAnalog = KeyToAxisAndSign(negKey, &negAxis, &negSign);
// positive to negative/neutral -> keyup if axis hasn't yet been set
if (posAnalog && !translatedAxesSet[posAxis] && oldAxis > 0 && axis <= 0)
{
translatedAxes[posAxis] = 0;
translatedAxesSet[posAxis] = qtrue;
}
// negative to positive/neutral -> keyup if axis hasn't yet been set
if (negAnalog && !translatedAxesSet[negAxis] && oldAxis < 0 && axis >= 0)
{
translatedAxes[negAxis] = 0;
translatedAxesSet[negAxis] = qtrue;
}
// negative/neutral to positive -> keydown
if (posAnalog && axis > 0)
{
translatedAxes[posAxis] = axis * posSign;
translatedAxesSet[posAxis] = qtrue;
}
// positive/neutral to negative -> keydown
if (negAnalog && axis < 0)
{
translatedAxes[negAxis] = -axis * negSign;
translatedAxesSet[negAxis] = qtrue;
}
}
// keyups first so they get overridden by keydowns later
// positive to negative/neutral -> keyup
if (!posAnalog && posKey && oldAxis > 0 && axis <= 0)
Com_QueueEvent(0, SE_KEY, posKey, qfalse, 0, NULL);
// negative to positive/neutral -> keyup
if (!negAnalog && negKey && oldAxis < 0 && axis >= 0)
Com_QueueEvent(0, SE_KEY, negKey, qfalse, 0, NULL);
// negative/neutral to positive -> keydown
if (!posAnalog && posKey && oldAxis <= 0 && axis > 0)
Com_QueueEvent(0, SE_KEY, posKey, qtrue, 0, NULL);
// positive/neutral to negative -> keydown
if (!negAnalog && negKey && oldAxis >= 0 && axis < 0)
Com_QueueEvent(0, SE_KEY, negKey, qtrue, 0, NULL);
stick_state.oldaaxes[i] = axis;
}
}
// set translated axes
if (in_joystickUseAnalog->integer)
{
for (i = 0; i < MAX_JOYSTICK_AXIS; i++)
{
if (translatedAxesSet[i])
Com_QueueEvent(0, SE_JOYSTICK_AXIS, i, translatedAxes[i], 0, NULL);
}
}
}
/*
===============
IN_JoyMove
===============
*/
static void IN_JoyMove( void )
{
unsigned int axes = 0;
unsigned int hats = 0;
int total = 0;
int i = 0;
if (gamepad)
{
IN_GamepadMove();
return;
}
if (!stick)
return;
SDL_JoystickUpdate();
// update the ball state.
total = SDL_JoystickNumBalls(stick);
if (total > 0)
{
int balldx = 0;
int balldy = 0;
for (i = 0; i < total; i++)
{
int dx = 0;
int dy = 0;
SDL_JoystickGetBall(stick, i, &dx, &dy);
balldx += dx;
balldy += dy;
}
if (balldx || balldy)
{
// !!! FIXME: is this good for stick balls, or just mice?
// Scale like the mouse input...
if (abs(balldx) > 1)
balldx *= 2;
if (abs(balldy) > 1)
balldy *= 2;
Com_QueueEvent( 0, SE_MOUSE, balldx, balldy, 0, NULL );
}
}
// now query the stick buttons...
total = SDL_JoystickNumButtons(stick);
if (total > 0)
{
if (total > ARRAY_LEN(stick_state.buttons))
total = ARRAY_LEN(stick_state.buttons);
for (i = 0; i < total; i++)
{
qboolean pressed = (SDL_JoystickGetButton(stick, i) != 0);
if (pressed != stick_state.buttons[i])
{
Com_QueueEvent( 0, SE_KEY, K_JOY1 + i, pressed, 0, NULL );
stick_state.buttons[i] = pressed;
}
}
}
// look at the hats...
total = SDL_JoystickNumHats(stick);
if (total > 0)
{
if (total > 4) total = 4;
for (i = 0; i < total; i++)
{
((Uint8 *)&hats)[i] = SDL_JoystickGetHat(stick, i);
}
}
// update hat state
if (hats != stick_state.oldhats)
{
for( i = 0; i < 4; i++ ) {
if( ((Uint8 *)&hats)[i] != ((Uint8 *)&stick_state.oldhats)[i] ) {
// release event
switch( ((Uint8 *)&stick_state.oldhats)[i] ) {
case SDL_HAT_UP:
Com_QueueEvent( 0, SE_KEY, hat_keys[4*i + 0], qfalse, 0, NULL );
break;
case SDL_HAT_RIGHT:
Com_QueueEvent( 0, SE_KEY, hat_keys[4*i + 1], qfalse, 0, NULL );
break;
case SDL_HAT_DOWN:
Com_QueueEvent( 0, SE_KEY, hat_keys[4*i + 2], qfalse, 0, NULL );
break;
case SDL_HAT_LEFT:
Com_QueueEvent( 0, SE_KEY, hat_keys[4*i + 3], qfalse, 0, NULL );
break;
case SDL_HAT_RIGHTUP:
Com_QueueEvent( 0, SE_KEY, hat_keys[4*i + 0], qfalse, 0, NULL );
Com_QueueEvent( 0, SE_KEY, hat_keys[4*i + 1], qfalse, 0, NULL );
break;
case SDL_HAT_RIGHTDOWN:
Com_QueueEvent( 0, SE_KEY, hat_keys[4*i + 2], qfalse, 0, NULL );
Com_QueueEvent( 0, SE_KEY, hat_keys[4*i + 1], qfalse, 0, NULL );
break;
case SDL_HAT_LEFTUP:
Com_QueueEvent( 0, SE_KEY, hat_keys[4*i + 0], qfalse, 0, NULL );
Com_QueueEvent( 0, SE_KEY, hat_keys[4*i + 3], qfalse, 0, NULL );
break;
case SDL_HAT_LEFTDOWN:
Com_QueueEvent( 0, SE_KEY, hat_keys[4*i + 2], qfalse, 0, NULL );
Com_QueueEvent( 0, SE_KEY, hat_keys[4*i + 3], qfalse, 0, NULL );
break;
default:
break;
}
// press event
switch( ((Uint8 *)&hats)[i] ) {
case SDL_HAT_UP:
Com_QueueEvent( 0, SE_KEY, hat_keys[4*i + 0], qtrue, 0, NULL );
break;
case SDL_HAT_RIGHT:
Com_QueueEvent( 0, SE_KEY, hat_keys[4*i + 1], qtrue, 0, NULL );
break;
case SDL_HAT_DOWN:
Com_QueueEvent( 0, SE_KEY, hat_keys[4*i + 2], qtrue, 0, NULL );
break;
case SDL_HAT_LEFT:
Com_QueueEvent( 0, SE_KEY, hat_keys[4*i + 3], qtrue, 0, NULL );
break;
case SDL_HAT_RIGHTUP:
Com_QueueEvent( 0, SE_KEY, hat_keys[4*i + 0], qtrue, 0, NULL );
Com_QueueEvent( 0, SE_KEY, hat_keys[4*i + 1], qtrue, 0, NULL );
break;
case SDL_HAT_RIGHTDOWN:
Com_QueueEvent( 0, SE_KEY, hat_keys[4*i + 2], qtrue, 0, NULL );
Com_QueueEvent( 0, SE_KEY, hat_keys[4*i + 1], qtrue, 0, NULL );
break;
case SDL_HAT_LEFTUP:
Com_QueueEvent( 0, SE_KEY, hat_keys[4*i + 0], qtrue, 0, NULL );
Com_QueueEvent( 0, SE_KEY, hat_keys[4*i + 3], qtrue, 0, NULL );
break;
case SDL_HAT_LEFTDOWN:
Com_QueueEvent( 0, SE_KEY, hat_keys[4*i + 2], qtrue, 0, NULL );
Com_QueueEvent( 0, SE_KEY, hat_keys[4*i + 3], qtrue, 0, NULL );
break;
default:
break;
}
}
}
}
// save hat state
stick_state.oldhats = hats;
// finally, look at the axes...
total = SDL_JoystickNumAxes(stick);
if (total > 0)
{
if (in_joystickUseAnalog->integer)
{
if (total > MAX_JOYSTICK_AXIS) total = MAX_JOYSTICK_AXIS;
for (i = 0; i < total; i++)
{
Sint16 axis = SDL_JoystickGetAxis(stick, i);
float f = ( (float) abs(axis) ) / 32767.0f;
if( f < in_joystickThreshold->value ) axis = 0;
if ( axis != stick_state.oldaaxes[i] )
{
Com_QueueEvent( 0, SE_JOYSTICK_AXIS, i, axis, 0, NULL );
stick_state.oldaaxes[i] = axis;
}
}
}
else
{
if (total > 16) total = 16;
for (i = 0; i < total; i++)
{
Sint16 axis = SDL_JoystickGetAxis(stick, i);
float f = ( (float) axis ) / 32767.0f;
if( f < -in_joystickThreshold->value ) {
axes |= ( 1 << ( i * 2 ) );
} else if( f > in_joystickThreshold->value ) {
axes |= ( 1 << ( ( i * 2 ) + 1 ) );
}
}
}
}
/* Time to update axes state based on old vs. new. */
if (axes != stick_state.oldaxes)
{
for( i = 0; i < 16; i++ ) {
if( ( axes & ( 1 << i ) ) && !( stick_state.oldaxes & ( 1 << i ) ) ) {
Com_QueueEvent( 0, SE_KEY, joy_keys[i], qtrue, 0, NULL );
}
if( !( axes & ( 1 << i ) ) && ( stick_state.oldaxes & ( 1 << i ) ) ) {
Com_QueueEvent( 0, SE_KEY, joy_keys[i], qfalse, 0, NULL );
}
}
}
/* Save for future generations. */
stick_state.oldaxes = axes;
}
/*
===============
IN_ProcessEvents
===============
*/
static void IN_ProcessEvents( void )
{
SDL_Event e;
keyNum_t key = 0;
static keyNum_t lastKeyDown = 0;
if( !SDL_WasInit( SDL_INIT_VIDEO ) )
return;
while( SDL_PollEvent( &e ) )
{
switch( e.type )
{
case SDL_KEYDOWN:
if ( e.key.repeat && Key_GetCatcher( ) == 0 )
break;
if( ( key = IN_TranslateSDLToQ3Key( &e.key.keysym, qtrue ) ) )
Com_QueueEvent( 0, SE_KEY, key, qtrue, 0, NULL );
if( key == K_BACKSPACE )
Com_QueueEvent( 0, SE_CHAR, CTRL('h'), 0, 0, NULL );
else if( keys[K_CTRL].down && key >= 'a' && key <= 'z' )
Com_QueueEvent( 0, SE_CHAR, CTRL(key), 0, 0, NULL );
lastKeyDown = key;
break;
case SDL_KEYUP:
if( ( key = IN_TranslateSDLToQ3Key( &e.key.keysym, qfalse ) ) )
Com_QueueEvent( 0, SE_KEY, key, qfalse, 0, NULL );
lastKeyDown = 0;
break;
case SDL_TEXTINPUT:
if( lastKeyDown != K_CONSOLE )
{
char *c = e.text.text;
// Quick and dirty UTF-8 to UTF-32 conversion
while( *c )
{
int utf32 = 0;
if( ( *c & 0x80 ) == 0 )
utf32 = *c++;
else if( ( *c & 0xE0 ) == 0xC0 ) // 110x xxxx
{
utf32 |= ( *c++ & 0x1F ) << 6;
utf32 |= ( *c++ & 0x3F );
}
else if( ( *c & 0xF0 ) == 0xE0 ) // 1110 xxxx
{
utf32 |= ( *c++ & 0x0F ) << 12;
utf32 |= ( *c++ & 0x3F ) << 6;
utf32 |= ( *c++ & 0x3F );
}
else if( ( *c & 0xF8 ) == 0xF0 ) // 1111 0xxx
{
utf32 |= ( *c++ & 0x07 ) << 18;
utf32 |= ( *c++ & 0x3F ) << 12;
utf32 |= ( *c++ & 0x3F ) << 6;
utf32 |= ( *c++ & 0x3F );
}
else
{
Com_DPrintf( "Unrecognised UTF-8 lead byte: 0x%x\n", (unsigned int)*c );
c++;
}
if( utf32 != 0 )
{
if( IN_IsConsoleKey( 0, utf32 ) )
{
Com_QueueEvent( 0, SE_KEY, K_CONSOLE, qtrue, 0, NULL );
Com_QueueEvent( 0, SE_KEY, K_CONSOLE, qfalse, 0, NULL );
}
else
Com_QueueEvent( 0, SE_CHAR, utf32, 0, 0, NULL );
}
}
}
break;
case SDL_MOUSEMOTION:
if( mouseActive )
{
if( !e.motion.xrel && !e.motion.yrel )
break;
Com_QueueEvent( 0, SE_MOUSE, e.motion.xrel, e.motion.yrel, 0, NULL );
}
break;
case SDL_MOUSEBUTTONDOWN:
case SDL_MOUSEBUTTONUP:
{
int b;
switch( e.button.button )
{
case SDL_BUTTON_LEFT: b = K_MOUSE1; break;
case SDL_BUTTON_MIDDLE: b = K_MOUSE3; break;
case SDL_BUTTON_RIGHT: b = K_MOUSE2; break;
case SDL_BUTTON_X1: b = K_MOUSE4; break;
case SDL_BUTTON_X2: b = K_MOUSE5; break;
default: b = K_AUX1 + ( e.button.button - SDL_BUTTON_X2 + 1 ) % 16; break;
}
Com_QueueEvent( 0, SE_KEY, b,
( e.type == SDL_MOUSEBUTTONDOWN ? qtrue : qfalse ), 0, NULL );
}
break;
case SDL_MOUSEWHEEL:
if( e.wheel.y > 0 )
{
Com_QueueEvent( 0, SE_KEY, K_MWHEELUP, qtrue, 0, NULL );
Com_QueueEvent( 0, SE_KEY, K_MWHEELUP, qfalse, 0, NULL );
}
else if( e.wheel.y < 0 )
{
Com_QueueEvent( 0, SE_KEY, K_MWHEELDOWN, qtrue, 0, NULL );
Com_QueueEvent( 0, SE_KEY, K_MWHEELDOWN, qfalse, 0, NULL );
}
break;
case SDL_CONTROLLERDEVICEADDED:
case SDL_CONTROLLERDEVICEREMOVED:
if (in_joystick->integer)
IN_InitJoystick();
break;
case SDL_QUIT:
Cbuf_ExecuteText(EXEC_NOW, "quit Closed window\n");
break;
case SDL_WINDOWEVENT:
switch( e.window.event )
{
case SDL_WINDOWEVENT_RESIZED:
{
int width, height;
width = e.window.data1;
height = e.window.data2;
// check if size actually changed
if( cls.glconfig.vidWidth == width && cls.glconfig.vidHeight == height )
{
break;
}
Cvar_SetValue( "r_customwidth", width );
Cvar_SetValue( "r_customheight", height );
Cvar_Set( "r_mode", "-1" );
// Wait until user stops dragging for 1 second, so
// we aren't constantly recreating the GL context while
// he tries to drag...
vidRestartTime = Sys_Milliseconds( ) + 1000;
}
break;
case SDL_WINDOWEVENT_MINIMIZED: Cvar_SetValue( "com_minimized", 1 ); break;
case SDL_WINDOWEVENT_RESTORED:
case SDL_WINDOWEVENT_MAXIMIZED: Cvar_SetValue( "com_minimized", 0 ); break;
case SDL_WINDOWEVENT_FOCUS_LOST: Cvar_SetValue( "com_unfocused", 1 ); break;
case SDL_WINDOWEVENT_FOCUS_GAINED: Cvar_SetValue( "com_unfocused", 0 ); break;
}
break;
default:
break;
}
}
}
/*
===============
IN_Frame
===============
*/
void IN_Frame( void )
{
qboolean loading;
IN_JoyMove( );
// If not DISCONNECTED (main menu) or ACTIVE (in game), we're loading
loading = ( clc.state != CA_DISCONNECTED && clc.state != CA_ACTIVE );
if( !cls.glconfig.isFullscreen && ( Key_GetCatcher( ) & KEYCATCH_CONSOLE ) )
{
// Console is down in windowed mode
IN_DeactivateMouse( );
}
else if( !cls.glconfig.isFullscreen && loading )
{
// Loading in windowed mode
IN_DeactivateMouse( );
}
else if( !( SDL_GetWindowFlags( SDL_window ) & SDL_WINDOW_INPUT_FOCUS ) )
{
// Window not got focus
IN_DeactivateMouse( );
}
else
IN_ActivateMouse( );
IN_ProcessEvents( );
// In case we had to delay actual restart of video system
if( ( vidRestartTime != 0 ) && ( vidRestartTime < Sys_Milliseconds( ) ) )
{
vidRestartTime = 0;
Cbuf_AddText( "vid_restart\n" );
}
}
/*
===============
IN_Init
===============
*/
void IN_Init( void *windowData )
{
int appState;
if( !SDL_WasInit( SDL_INIT_VIDEO ) )
{
Com_Error( ERR_FATAL, "IN_Init called before SDL_Init( SDL_INIT_VIDEO )" );
return;
}
SDL_window = (SDL_Window *)windowData;
Com_DPrintf( "\n------- Input Initialization -------\n" );
in_keyboardDebug = Cvar_Get( "in_keyboardDebug", "0", CVAR_ARCHIVE );
// mouse variables
in_mouse = Cvar_Get( "in_mouse", "1", CVAR_ARCHIVE );
in_nograb = Cvar_Get( "in_nograb", "0", CVAR_ARCHIVE );
in_joystick = Cvar_Get( "in_joystick", "0", CVAR_ARCHIVE|CVAR_LATCH );
in_joystickThreshold = Cvar_Get( "joy_threshold", "0.15", CVAR_ARCHIVE );
SDL_StartTextInput( );
mouseAvailable = ( in_mouse->value != 0 );
IN_DeactivateMouse( );
appState = SDL_GetWindowFlags( SDL_window );
Cvar_SetValue( "com_unfocused", !( appState & SDL_WINDOW_INPUT_FOCUS ) );
Cvar_SetValue( "com_minimized", appState & SDL_WINDOW_MINIMIZED );
IN_InitJoystick( );
Com_DPrintf( "------------------------------------\n" );
}
/*
===============
IN_Shutdown
===============
*/
void IN_Shutdown( void )
{
SDL_StopTextInput( );
IN_DeactivateMouse( );
mouseAvailable = qfalse;
IN_ShutdownJoystick( );
SDL_window = NULL;
}
/*
===============
IN_Restart
===============
*/
void IN_Restart( void )
{
IN_ShutdownJoystick( );
IN_Init( SDL_window );
}
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