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Serious-Engine/Sources/Engine/Base/SDL/SDLInput.cpp
ptitSeb 57cd734dbc Don't regulate Framerate on Pandora 
Restrict the Eps precision change only to Pandora platform
fix Inverted Right and Middle button on certain case with SDL
Added some Failsafe. Fixed a crash in the new game intro cinematic (when Boss of TFE die and Sam goes to the UFO) on the Pandora
Some Pandora fine-tunning
Tried some asynchronus input method, but doesn't seems to works
2016-09-09 13:39:28 +02:00

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/* Copyright (c) 2002-2012 Croteam Ltd. All rights reserved. */
/* rcg10072001 Moved stuff into this file. */
#include "SDL.h"
#include <Engine/Base/Timer.h>
#include <Engine/Base/Input.h>
#include <Engine/Base/Translation.h>
#include <Engine/Base/KeyNames.h>
#include <Engine/Math/Functions.h>
#include <Engine/Graphics/ViewPort.h>
#include <Engine/Base/Console.h>
#include <Engine/Base/Synchronization.h>
#include <Engine/Base/SDL/SDLEvents.h>
#include <Engine/Base/Shell.h>
#include <Engine/Base/ErrorReporting.h>
extern INDEX inp_iKeyboardReadingMethod;
extern FLOAT inp_fMouseSensitivity;
extern INDEX inp_bAllowMouseAcceleration;
extern INDEX inp_bMousePrecision;
extern FLOAT inp_fMousePrecisionFactor;
extern FLOAT inp_fMousePrecisionThreshold;
extern FLOAT inp_fMousePrecisionTimeout;
extern FLOAT inp_bInvertMouse;
extern INDEX inp_bFilterMouse;
extern INDEX inp_bAllowPrescan;
extern INDEX inp_i2ndMousePort;
extern FLOAT inp_f2ndMouseSensitivity;
extern INDEX inp_b2ndMousePrecision;
extern FLOAT inp_f2ndMousePrecisionThreshold;
extern FLOAT inp_f2ndMousePrecisionTimeout;
extern FLOAT inp_f2ndMousePrecisionFactor;
extern INDEX inp_bFilter2ndMouse;
extern INDEX inp_bInvert2ndMouse;
static BOOL inp_bSDLPermitCtrlG = TRUE;
static BOOL inp_bSDLGrabInput = TRUE;
static Sint16 mouse_relative_x = 0;
static Sint16 mouse_relative_y = 0;
INDEX inp_iMButton4Dn = 0x20040;
INDEX inp_iMButton4Up = 0x20000;
INDEX inp_iMButton5Dn = 0x10020;
INDEX inp_iMButton5Up = 0x10000;
INDEX inp_bMsgDebugger = FALSE;
INDEX inp_bForceJoystickPolling = 0;
INDEX inp_bAutoDisableJoysticks = 0;
static CTCriticalSection sl_csInput;
extern INDEX inp_ctJoysticksAllowed;
/*
NOTE: Two different types of key codes are used here:
1) kid - engine internal type - defined in KeyNames.h
2) virtkey - virtual key codes used by SDL.
*/
// name that is not translated (international)
#define INTNAME(str) str, ""
// name that is translated
#define TRANAME(str) str, "ETRS" str
// basic key conversion table
struct KeyConversion {
INDEX kc_iKID;
SDL_Keycode kc_iVirtKey;
const char *kc_strName;
const char *kc_strNameTrans;
};
static const KeyConversion _akcKeys[] = {
// reserved for 'no-key-pressed'
{ KID_NONE, -1, TRANAME("None")},
// numbers row
{ KID_1 , SDLK_1, INTNAME("1")},
{ KID_2 , SDLK_2, INTNAME("2")},
{ KID_3 , SDLK_3, INTNAME("3")},
{ KID_4 , SDLK_4, INTNAME("4")},
{ KID_5 , SDLK_5, INTNAME("5")},
{ KID_6 , SDLK_6, INTNAME("6")},
{ KID_7 , SDLK_7, INTNAME("7")},
{ KID_8 , SDLK_8, INTNAME("8")},
{ KID_9 , SDLK_9, INTNAME("9")},
{ KID_0 , SDLK_0, INTNAME("0")},
{ KID_MINUS , SDLK_MINUS, INTNAME("-")},
{ KID_EQUALS , SDLK_EQUALS, INTNAME("=")},
// 1st alpha row
{ KID_Q , SDLK_q, INTNAME("Q")},
{ KID_W , SDLK_w, INTNAME("W")},
{ KID_E , SDLK_e, INTNAME("E")},
{ KID_R , SDLK_r, INTNAME("R")},
{ KID_T , SDLK_t, INTNAME("T")},
{ KID_Y , SDLK_y, INTNAME("Y")},
{ KID_U , SDLK_u, INTNAME("U")},
{ KID_I , SDLK_i, INTNAME("I")},
{ KID_O , SDLK_o, INTNAME("O")},
{ KID_P , SDLK_p, INTNAME("P")},
{ KID_LBRACKET , SDLK_RIGHTPAREN, INTNAME("[")},
{ KID_RBRACKET , SDLK_RIGHTPAREN, INTNAME("]")},
{ KID_BACKSLASH , SDLK_BACKSLASH, INTNAME("\\")},
// 2nd alpha row
{ KID_A , SDLK_a, INTNAME("A")},
{ KID_S , SDLK_s, INTNAME("S")},
{ KID_D , SDLK_d, INTNAME("D")},
{ KID_F , SDLK_f, INTNAME("F")},
{ KID_G , SDLK_g, INTNAME("G")},
{ KID_H , SDLK_h, INTNAME("H")},
{ KID_J , SDLK_j, INTNAME("J")},
{ KID_K , SDLK_k, INTNAME("K")},
{ KID_L , SDLK_l, INTNAME("L")},
{ KID_SEMICOLON , SDLK_SEMICOLON, INTNAME(";")},
{ KID_APOSTROPHE , SDLK_QUOTE, INTNAME("'")},
// 3rd alpha row
{ KID_Z , SDLK_z, INTNAME("Z")},
{ KID_X , SDLK_x, INTNAME("X")},
{ KID_C , SDLK_c, INTNAME("C")},
{ KID_V , SDLK_v, INTNAME("V")},
{ KID_B , SDLK_b, INTNAME("B")},
{ KID_N , SDLK_n, INTNAME("N")},
{ KID_M , SDLK_m, INTNAME("M")},
{ KID_COMMA , SDLK_COMMA, INTNAME(",")},
{ KID_PERIOD , SDLK_PERIOD, INTNAME(".")},
{ KID_SLASH , SDLK_SLASH, INTNAME("/")},
// row with F-keys
{ KID_F1 , SDLK_F1, INTNAME("F1")},
{ KID_F2 , SDLK_F2, INTNAME("F2")},
{ KID_F3 , SDLK_F3, INTNAME("F3")},
{ KID_F4 , SDLK_F4, INTNAME("F4")},
{ KID_F5 , SDLK_F5, INTNAME("F5")},
{ KID_F6 , SDLK_F6, INTNAME("F6")},
{ KID_F7 , SDLK_F7, INTNAME("F7")},
{ KID_F8 , SDLK_F8, INTNAME("F8")},
{ KID_F9 , SDLK_F9, INTNAME("F9")},
{ KID_F10 , SDLK_F10, INTNAME("F10")},
{ KID_F11 , SDLK_F11, INTNAME("F11")},
{ KID_F12 , SDLK_F12, INTNAME("F12")},
// extra keys
{ KID_ESCAPE , SDLK_ESCAPE, TRANAME("Escape")},
{ KID_TILDE , -1, TRANAME("Tilde")},
{ KID_BACKSPACE , SDLK_BACKSPACE, TRANAME("Backspace")},
{ KID_TAB , SDLK_TAB, TRANAME("Tab")},
{ KID_CAPSLOCK , SDLK_CAPSLOCK, TRANAME("Caps Lock")},
{ KID_ENTER , SDLK_RETURN, TRANAME("Enter")},
{ KID_SPACE , SDLK_SPACE, TRANAME("Space")},
// modifier keys
{ KID_LSHIFT , SDLK_LSHIFT , TRANAME("Left Shift")},
{ KID_RSHIFT , SDLK_RSHIFT , TRANAME("Right Shift")},
{ KID_LCONTROL , SDLK_LCTRL, TRANAME("Left Control")},
{ KID_RCONTROL , SDLK_RCTRL, TRANAME("Right Control")},
{ KID_LALT , SDLK_LALT , TRANAME("Left Alt")},
{ KID_RALT , SDLK_RALT , TRANAME("Right Alt")},
// navigation keys
{ KID_ARROWUP , SDLK_UP, TRANAME("Arrow Up")},
{ KID_ARROWDOWN , SDLK_DOWN, TRANAME("Arrow Down")},
{ KID_ARROWLEFT , SDLK_LEFT, TRANAME("Arrow Left")},
{ KID_ARROWRIGHT , SDLK_RIGHT, TRANAME("Arrow Right")},
{ KID_INSERT , SDLK_INSERT, TRANAME("Insert")},
{ KID_DELETE , SDLK_DELETE, TRANAME("Delete")},
{ KID_HOME , SDLK_HOME, TRANAME("Home")},
{ KID_END , SDLK_END, TRANAME("End")},
{ KID_PAGEUP , SDLK_PAGEUP, TRANAME("Page Up")},
{ KID_PAGEDOWN , SDLK_PAGEDOWN, TRANAME("Page Down")},
{ KID_PRINTSCR , SDLK_PRINTSCREEN, TRANAME("Print Screen")},
{ KID_SCROLLLOCK , SDLK_SCROLLLOCK, TRANAME("Scroll Lock")},
{ KID_PAUSE , SDLK_PAUSE, TRANAME("Pause")},
// numpad numbers
{ KID_NUM0 , SDLK_KP_0, INTNAME("Num 0")},
{ KID_NUM1 , SDLK_KP_1, INTNAME("Num 1")},
{ KID_NUM2 , SDLK_KP_2, INTNAME("Num 2")},
{ KID_NUM3 , SDLK_KP_3, INTNAME("Num 3")},
{ KID_NUM4 , SDLK_KP_4, INTNAME("Num 4")},
{ KID_NUM5 , SDLK_KP_5, INTNAME("Num 5")},
{ KID_NUM6 , SDLK_KP_6, INTNAME("Num 6")},
{ KID_NUM7 , SDLK_KP_7, INTNAME("Num 7")},
{ KID_NUM8 , SDLK_KP_8, INTNAME("Num 8")},
{ KID_NUM9 , SDLK_KP_9, INTNAME("Num 9")},
{ KID_NUMDECIMAL , SDLK_KP_PERIOD, INTNAME("Num .")},
// numpad gray keys
{ KID_NUMLOCK , SDLK_NUMLOCKCLEAR, INTNAME("Num Lock")},
{ KID_NUMSLASH , SDLK_KP_DIVIDE, INTNAME("Num /")},
{ KID_NUMMULTIPLY , SDLK_KP_MULTIPLY, INTNAME("Num *")},
{ KID_NUMMINUS , SDLK_KP_MINUS, INTNAME("Num -")},
{ KID_NUMPLUS , SDLK_KP_PLUS, INTNAME("Num +")},
{ KID_NUMENTER , SDLK_KP_ENTER, TRANAME("Num Enter")},
// mouse buttons
{ KID_MOUSE1 , -1, TRANAME("Mouse Button 1")},
{ KID_MOUSE2 , -1, TRANAME("Mouse Button 2")},
{ KID_MOUSE3 , -1, TRANAME("Mouse Button 3")},
{ KID_MOUSE4 , -1, TRANAME("Mouse Button 4")},
{ KID_MOUSE5 , -1, TRANAME("Mouse Button 5")},
{ KID_MOUSEWHEELUP , -1, TRANAME("Mouse Wheel Up")},
{ KID_MOUSEWHEELDOWN , -1, TRANAME("Mouse Wheel Down")},
// 2nd mouse buttons
{ KID_2MOUSE1 , -1, TRANAME("2nd Mouse Button 1")},
{ KID_2MOUSE2 , -1, TRANAME("2nd Mouse Button 2")},
{ KID_2MOUSE3 , -1, TRANAME("2nd Mouse Button 3")},
};
// autogenerated fast conversion tables
static INDEX _aiScancodeToKid[SDL_NUM_SCANCODES];
// make fast conversion tables from the general table
static void MakeConversionTables(void)
{
// clear conversion tables
for (int i = 0; i < ARRAYCOUNT(_aiScancodeToKid); i++) {
_aiScancodeToKid[i] = -1;
}
// for each Key
for (INDEX iKey=0; iKey<ARRAYCOUNT(_akcKeys); iKey++) {
const KeyConversion &kc = _akcKeys[iKey];
// get codes
const INDEX iKID = kc.kc_iKID;
//INDEX iScan = kc.kc_iScanCode;
const SDL_Keycode iVirt = kc.kc_iVirtKey;
if (iVirt>=0) {
_aiScancodeToKid[SDL_GetScancodeFromKey(iVirt)] = iKID;
}
}
_aiScancodeToKid[SDL_SCANCODE_UNKNOWN] = -1; // in case several items set this.
}
// variables for message interception
//static HHOOK _hGetMsgHook = NULL;
//static HHOOK _hSendMsgHook = NULL;
static int _iMouseZ = 0;
static BOOL _bWheelUp = FALSE;
static BOOL _bWheelDn = FALSE;
// emulate Win32: A single mouse wheel rotation
// is +120 (upwards) or -120 (downwards)
#define MOUSE_SCROLL_INTERVAL 120
CTCriticalSection csInput;
// which keys are pressed, as recorded by message interception (by KIDs)
static UBYTE _abKeysPressed[256];
// set a key according to a keydown/keyup message
static void SetKeyFromEvent(const SDL_Event *event, const BOOL bDown)
{
ASSERT((event->type == SDL_KEYUP) || (event->type == SDL_KEYDOWN));
if ( (event->key.keysym.mod & KMOD_CTRL) &&
(event->key.keysym.sym == SDLK_g) &&
(event->type == SDL_KEYDOWN) &&
(inp_bSDLPermitCtrlG) )
{
if (inp_bSDLGrabInput)
{
// turn off input grab.
SDL_SetRelativeMouseMode(SDL_FALSE);
inp_bSDLGrabInput = FALSE;
} // if
else
{
// turn on input grab.
SDL_SetRelativeMouseMode(SDL_TRUE);
inp_bSDLGrabInput = TRUE;
} // else
mouse_relative_x = mouse_relative_y = 0;
return;
} // if
#ifdef PLATFORM_PANDORA
if(event->key.keysym.sym==SDLK_RSHIFT) {
_abKeysPressed[KID_MOUSE1] = bDown;
return;
} else if(event->key.keysym.sym==SDLK_RCTRL) {
_abKeysPressed[KID_MOUSE2] = bDown;
return;
}
#endif
// convert virtualkey to kid
const INDEX iKID = _aiScancodeToKid[event->key.keysym.scancode];
if (iKID>=0 && iKID<ARRAYCOUNT(_abKeysPressed)) {
//CPrintF("%s: %d\n", _pInput->inp_strButtonNames[iKID], bDown);
_abKeysPressed[iKID] = bDown;
}
}
static void sdl_event_handler(const SDL_Event *event)
{
switch (event->type)
{
case SDL_MOUSEMOTION:
mouse_relative_x += event->motion.xrel;
mouse_relative_y += event->motion.yrel;
break;
case SDL_MOUSEBUTTONDOWN:
case SDL_MOUSEBUTTONUP:
if (event->button.button <= 5) {
int button = KID_MOUSE1;
switch(event->button.button) {
case SDL_BUTTON_RIGHT: button = KID_MOUSE2; break;
case SDL_BUTTON_MIDDLE: button = KID_MOUSE3; break;
case 4: button = KID_MOUSE4; break;
case 5: button = KID_MOUSE5; break;
}
_abKeysPressed[button] = (event->button.state == SDL_PRESSED) ? TRUE : FALSE;
}
break;
case SDL_MOUSEWHEEL:
_iMouseZ += event->wheel.y * MOUSE_SCROLL_INTERVAL;
break;
case SDL_KEYDOWN:
SetKeyFromEvent(event, TRUE);
break;
case SDL_KEYUP:
SetKeyFromEvent(event, FALSE);
break;
default: break;
} // switch
} // sdl_event_handler
// This keeps the input subsystem in sync with everything else, by
// making sure all SDL events tunnel through one function.
// DO NOT DIRECTLY MESS WITH THE SDL EVENT QUEUE THROUGH ANY OTHER FUNCTION.
// Parameters/retval are same as SDL_PollEvent().
int SE_SDL_InputEventPoll(SDL_Event *sdlevent)
{
ASSERT(sdlevent != NULL);
CTSingleLock slInput(&sl_csInput, FALSE);
if(slInput.TryToLock()) {
const int retval = SDL_PollEvent(sdlevent);
if (retval)
sdl_event_handler(sdlevent);
return retval;
}
return 0;
} // SE_SDL_InputEventPoll
#if 0 // !!! FIXME: Can we support this?
// --------- 2ND MOUSE HANDLING
#define MOUSECOMBUFFERSIZE 256L
static HANDLE _h2ndMouse = NONE;
static BOOL _bIgnoreMouse2 = TRUE;
static INDEX _i2ndMouseX, _i2ndMouseY, _i2ndMouseButtons;
static INDEX _iByteNum = 0;
static UBYTE _aubComBytes[4] = {0,0,0,0};
static INDEX _iLastPort = -1;
static void Poll2ndMouse(void)
{
// reset (mouse reading is relative)
_i2ndMouseX = 0;
_i2ndMouseY = 0;
if( _h2ndMouse==NONE) return;
// check
COMSTAT csComStat;
DWORD dwErrorFlags;
ClearCommError( _h2ndMouse, &dwErrorFlags, &csComStat);
DWORD dwLength = Min( MOUSECOMBUFFERSIZE, (INDEX)csComStat.cbInQue);
if( dwLength<=0) return;
// readout
UBYTE aubMouseBuffer[MOUSECOMBUFFERSIZE];
INDEX iRetries = 999;
while( iRetries>0 && !ReadFile( _h2ndMouse, aubMouseBuffer, dwLength, &dwLength, NULL)) iRetries--;
if( iRetries<=0) return; // what, didn't make it?
// parse the mouse packets
for( INDEX i=0; i<dwLength; i++)
{
// prepare
if( aubMouseBuffer[i] & 64) _iByteNum = 0;
if( _iByteNum<4) _aubComBytes[_iByteNum] = aubMouseBuffer[i];
_iByteNum++;
// buttons ?
if( _iByteNum==1) {
_i2ndMouseButtons &= ~3;
_i2ndMouseButtons |= (_aubComBytes[0] & (32+16)) >>4;
}
// axes ?
else if( _iByteNum==3) {
char iDX = ((_aubComBytes[0] & 3) <<6) + _aubComBytes[1];
char iDY = ((_aubComBytes[0] & 12) <<4) + _aubComBytes[2];
_i2ndMouseX += iDX;
_i2ndMouseY += iDY;
}
// 3rd button?
else if( _iByteNum==4) {
_i2ndMouseButtons &= ~4;
if( aubMouseBuffer[i]&32) _i2ndMouseButtons |= 4;
}
}
// ignore pooling?
if( _bIgnoreMouse2) {
if( _i2ndMouseX!=0 || _i2ndMouseY!=0) _bIgnoreMouse2 = FALSE;
_i2ndMouseX = 0;
_i2ndMouseY = 0;
_i2ndMouseButtons = 0;
return;
}
}
static void Startup2ndMouse(INDEX iPort)
{
// skip if disabled
ASSERT( iPort>=0 && iPort<=4);
if( iPort==0) return;
// determine port string
CTString str2ndMousePort( 0, "COM%d", iPort);
// create COM handle if needed
if( _h2ndMouse==NONE) {
_h2ndMouse = CreateFile( str2ndMousePort, GENERIC_READ|GENERIC_WRITE, 0, NULL,
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if( _h2ndMouse==INVALID_HANDLE_VALUE) {
// failed! :(
INDEX iError = GetLastError();
if( iError==5) CPrintF( "Cannot open %s (access denied).\n"
"The port is probably already used by another device (mouse, modem...)\n",
str2ndMousePort);
else CPrintF( "Cannot open %s (error %d).\n", str2ndMousePort, iError);
_h2ndMouse = NONE;
return;
}
}
// setup and purge buffers
SetupComm( _h2ndMouse, MOUSECOMBUFFERSIZE, MOUSECOMBUFFERSIZE);
PurgeComm( _h2ndMouse, PURGE_TXABORT | PURGE_RXABORT | PURGE_TXCLEAR | PURGE_RXCLEAR);
// setup port to 1200 7N1
DCB dcb;
dcb.DCBlength = sizeof(DCB);
GetCommState( _h2ndMouse, &dcb);
dcb.BaudRate = CBR_1200;
dcb.ByteSize = 7;
dcb.Parity = NOPARITY;
dcb.StopBits = ONESTOPBIT;
dcb.fDtrControl = DTR_CONTROL_ENABLE;
dcb.fRtsControl = RTS_CONTROL_ENABLE;
dcb.fBinary = TRUE;
dcb.fParity = TRUE;
SetCommState( _h2ndMouse, &dcb);
// reset
_iByteNum = 0;
_aubComBytes[0] = _aubComBytes[1] = _aubComBytes[2] = _aubComBytes[3] = 0;
_bIgnoreMouse2 = TRUE; // ignore mouse polling until 1 after non-0 readout
_iLastPort = iPort;
//CPrintF( "STARTUP M2!\n");
}
static void Shutdown2ndMouse(void)
{
// skip if already disabled
if( _h2ndMouse==NONE) return;
// disable!
SetCommMask( _h2ndMouse, 0);
EscapeCommFunction( _h2ndMouse, CLRDTR);
EscapeCommFunction( _h2ndMouse, CLRRTS);
PurgeComm( _h2ndMouse, PURGE_TXABORT | PURGE_RXABORT | PURGE_TXCLEAR | PURGE_RXCLEAR);
// close port if changed
if( _iLastPort != inp_i2ndMousePort) {
CloseHandle( _h2ndMouse);
_h2ndMouse = NONE;
} // over and out
_bIgnoreMouse2 = TRUE;
}
#endif
static SDL_Joystick **sticks = NULL;
static int ctJoysticks = 0;
BOOL CInput::PlatformInit(void)
{
#if 0
_h2ndMouse = NONE;
#endif
ASSERT(sticks == NULL);
ASSERT(ctJoysticks == 0);
_pShell->DeclareSymbol("persistent user INDEX inp_bSDLPermitCtrlG;", (void*)&inp_bSDLPermitCtrlG);
_pShell->DeclareSymbol("persistent user INDEX inp_bSDLGrabInput;", (void*)&inp_bSDLGrabInput);
MakeConversionTables();
sl_csInput.cs_iIndex = 3000;
return(TRUE);
}
// destructor
CInput::~CInput()
{
if (sticks != NULL) {
int max = ctJoysticks;
for (int i = 0; i < max; i++) {
if (sticks[i] != NULL) {
SDL_JoystickClose(sticks[i]);
}
}
delete[] sticks;
sticks = NULL;
}
ctJoysticks = 0;
#if 0
if (_h2ndMouse != NONE)
CloseHandle(_h2ndMouse);
_h2ndMouse = NONE;
#endif
}
BOOL CInput::PlatformSetKeyNames(void)
{
// for each Key
for (INDEX iKey=0; iKey<ARRAYCOUNT(_akcKeys); iKey++) {
const KeyConversion &kc = _akcKeys[iKey];
// set the name
if (kc.kc_strName!=NULL) {
inp_strButtonNames[kc.kc_iKID] = kc.kc_strName;
if (strlen(kc.kc_strNameTrans)==0) {
inp_strButtonNamesTra[kc.kc_iKID] = kc.kc_strName;
} else {
inp_strButtonNamesTra[kc.kc_iKID] = TranslateConst(kc.kc_strNameTrans, 4);
}
}
}
return(TRUE);
}
LONG CInput::PlatformGetJoystickCount(void)
{
LONG retval = (LONG) SDL_NumJoysticks();
if (retval > 0) {
sticks = new SDL_Joystick *[retval];
ctJoysticks = (int) retval;
memset(sticks, '\0', sizeof (SDL_Joystick *) * retval);
}
return(retval);
}
// check if a joystick exists
BOOL CInput::CheckJoystick(INDEX iJoy)
{
CPrintF(TRANSV(" joy %d:"), iJoy + 1);
ASSERT(ctJoysticks > iJoy);
CPrintF(" '%s'\n", SDL_JoystickNameForIndex(iJoy));
SDL_Joystick *stick = SDL_JoystickOpen(iJoy);
if (stick == NULL) {
CPrintF(" ...can't open joystick.\n reason: %s\n", SDL_GetError());
return FALSE;
}
ASSERT(sticks != NULL);
ASSERT(sticks[iJoy] == NULL);
sticks[iJoy] = stick;
int ctAxes = SDL_JoystickNumAxes(stick);
CPrintF(TRANSV(" %d axes\n"), ctAxes);
CPrintF(TRANSV(" %d buttons\n"), SDL_JoystickNumButtons(stick));
if (SDL_JoystickNumHats(stick) > 0) {
CPrintF(TRANSV(" POV hat present\n"));
}
// for each axis
for(INDEX iAxis=0; iAxis<MAX_AXES_PER_JOYSTICK; iAxis++) {
ControlAxisInfo &cai= inp_caiAllAxisInfo[ FIRST_JOYAXIS+iJoy*MAX_AXES_PER_JOYSTICK+iAxis];
// remember min/max info
cai.cai_slMin = -32768; cai.cai_slMax = 32767;
cai.cai_bExisting = (iAxis < ctAxes);
}
return TRUE;
}
void CInput::EnableInput(HWND hwnd)
{
// skip if already enabled
if( inp_bInputEnabled) return;
SDL_JoystickEventState(SDL_ENABLE);
// determine screen center position
int winw, winh;
SDL_GetWindowSize((SDL_Window *) hwnd, &winw, &winh);
inp_slScreenCenterX = winw / 2;
inp_slScreenCenterY = winh / 2;
// remember mouse pos
int mousex, mousey;
SDL_GetMouseState(&mousex, &mousey); // !!! FIXME: this isn't necessarily (hwnd)
inp_ptOldMousePos.x = mousex;
inp_ptOldMousePos.y = mousey;
SDL_SetRelativeMouseMode(inp_bSDLGrabInput ? SDL_TRUE : SDL_FALSE);
// save system mouse settings
memset(&inp_mscMouseSettings, '\0', sizeof (MouseSpeedControl));
#if 0
// if required, try to enable 2nd mouse
Shutdown2ndMouse();
inp_i2ndMousePort = Clamp( inp_i2ndMousePort, 0L, 4L);
Startup2ndMouse(inp_i2ndMousePort);
#endif
// clear button's buffer
memset( _abKeysPressed, 0, sizeof( _abKeysPressed));
// remember current status
inp_bInputEnabled = TRUE;
inp_bPollJoysticks = FALSE;
}
/*
* Disable direct input
*/
void CInput::DisableInput( void)
{
// skip if allready disabled
if( !inp_bInputEnabled) return;
SDL_JoystickEventState(SDL_DISABLE);
// show mouse on screen
SDL_SetRelativeMouseMode(SDL_FALSE);
// eventually disable 2nd mouse
#if 0
Shutdown2ndMouse();
#endif
// remember current status
inp_bInputEnabled = FALSE;
inp_bPollJoysticks = FALSE;
}
#define USE_MOUSEWARP 1
// Define this to use GetMouse instead of using Message to read mouse coordinates
// blank any queued mousemove events...SDLInput.cpp needs this when
// returning from the menus/console to game or the viewport will jump...
void CInput::ClearRelativeMouseMotion(void)
{
#if USE_MOUSEWARP
SDL_GetRelativeMouseState(NULL, NULL);
#endif
mouse_relative_x = mouse_relative_y = 0;
}
/*
* Scan states of all available input sources
*/
void CInput::GetInput(BOOL bPreScan)
{
// CTSingleLock sl(&csInput, TRUE);
if (!inp_bInputEnabled) {
return;
}
if (bPreScan && !inp_bAllowPrescan) {
return;
}
#if 0
// should not be usefull
SDL_Event event;
while (SE_SDL_InputEventPoll(&event)) { /* do nothing... */ }
#endif
// if not pre-scanning
if (!bPreScan) {
// clear button's buffer
memset( inp_ubButtonsBuffer, 0, sizeof( inp_ubButtonsBuffer));
Uint8 *keystate = SDL_GetKeyboardState(NULL);
// for each Key
for (INDEX iKey=0; iKey<ARRAYCOUNT(_akcKeys); iKey++) {
const KeyConversion &kc = _akcKeys[iKey];
// get codes
INDEX iKID = kc.kc_iKID;
//INDEX iScan = kc.kc_iScanCode;
INDEX iVirt = kc.kc_iVirtKey;
// if reading async keystate
if (0/*inp_iKeyboardReadingMethod==0*/) {
// if there is a valid virtkey
if (iVirt>=0) {
// is state is pressed
if (keystate[SDL_GetScancodeFromKey((SDL_Keycode)iVirt)]) {
// mark it as pressed
inp_ubButtonsBuffer[iKID] = 0xFF;
}
}
}
else
{
// if snooped that key is pressed
if (_abKeysPressed[iKID]) {
// mark it as pressed
inp_ubButtonsBuffer[iKID] = 0xFF;
}
}
}
}
// read mouse position
#ifdef USE_MOUSEWARP
int iMx, iMy;
SDL_GetRelativeMouseState(&iMx, &iMy);
mouse_relative_x = iMx;
mouse_relative_y = iMy;
#else
if ((mouse_relative_x != 0) || (mouse_relative_y != 0))
#endif
{
FLOAT fDX = FLOAT( mouse_relative_x );
FLOAT fDY = FLOAT( mouse_relative_y );
mouse_relative_x = mouse_relative_y = 0;
FLOAT fSensitivity = inp_fMouseSensitivity;
if( inp_bAllowMouseAcceleration) fSensitivity *= 0.25f;
FLOAT fD = Sqrt(fDX*fDX+fDY*fDY);
if (inp_bMousePrecision) {
static FLOAT _tmTime = 0.0f;
if( fD<inp_fMousePrecisionThreshold) _tmTime += 0.05f;
else _tmTime = 0.0f;
if( _tmTime>inp_fMousePrecisionTimeout) fSensitivity /= inp_fMousePrecisionFactor;
}
static FLOAT fDXOld;
static FLOAT fDYOld;
static TIME tmOldDelta;
static CTimerValue tvBefore;
CTimerValue tvNow = _pTimer->GetHighPrecisionTimer();
TIME tmNowDelta = (tvNow-tvBefore).GetSeconds();
if (tmNowDelta<0.001f) {
tmNowDelta = 0.001f;
}
tvBefore = tvNow;
FLOAT fDXSmooth = (fDXOld*tmOldDelta+fDX*tmNowDelta)/(tmOldDelta+tmNowDelta);
FLOAT fDYSmooth = (fDYOld*tmOldDelta+fDY*tmNowDelta)/(tmOldDelta+tmNowDelta);
fDXOld = fDX;
fDYOld = fDY;
tmOldDelta = tmNowDelta;
if (inp_bFilterMouse) {
fDX = fDXSmooth;
fDY = fDYSmooth;
}
// get final mouse values
FLOAT fMouseRelX = +fDX*fSensitivity;
FLOAT fMouseRelY = -fDY*fSensitivity;
if (inp_bInvertMouse) {
fMouseRelY = -fMouseRelY;
}
FLOAT fMouseRelZ = _iMouseZ;
// just interpret values as normal
inp_caiAllAxisInfo[1].cai_fReading = fMouseRelX;
inp_caiAllAxisInfo[2].cai_fReading = fMouseRelY;
inp_caiAllAxisInfo[3].cai_fReading = fMouseRelZ;
}
#ifndef USE_MOUSEWARP
else {
inp_caiAllAxisInfo[1].cai_fReading = 0.0;
inp_caiAllAxisInfo[2].cai_fReading = 0.0;
inp_caiAllAxisInfo[3].cai_fReading = 0.0;
}
#endif
// if not pre-scanning
if (!bPreScan) {
// detect wheel up/down movement
if (_iMouseZ>0) {
if (_bWheelUp) {
inp_ubButtonsBuffer[KID_MOUSEWHEELUP] = 0x00;
} else {
inp_ubButtonsBuffer[KID_MOUSEWHEELUP] = 0xFF;
_iMouseZ = ClampDn(_iMouseZ-MOUSE_SCROLL_INTERVAL, 0);
}
}
_bWheelUp = inp_ubButtonsBuffer[KID_MOUSEWHEELUP];
if (_iMouseZ<0) {
if (_bWheelDn) {
inp_ubButtonsBuffer[KID_MOUSEWHEELDOWN] = 0x00;
} else {
inp_ubButtonsBuffer[KID_MOUSEWHEELDOWN] = 0xFF;
_iMouseZ = ClampUp(_iMouseZ+MOUSE_SCROLL_INTERVAL, 0);
}
}
_bWheelDn = inp_ubButtonsBuffer[KID_MOUSEWHEELDOWN];
}
inp_bLastPrescan = bPreScan;
// !!! FIXME
#if 0
// readout 2nd mouse if enabled
if( _h2ndMouse!=NONE)
{
Poll2ndMouse();
//CPrintF( "m2X: %4d, m2Y: %4d, m2B: 0x%02X\n", _i2ndMouseX, _i2ndMouseY, _i2ndMouseButtons);
// handle 2nd mouse buttons
if( _i2ndMouseButtons & 2) inp_ubButtonsBuffer[KID_2MOUSE1] = 0xFF;
if( _i2ndMouseButtons & 1) inp_ubButtonsBuffer[KID_2MOUSE2] = 0xFF;
if( _i2ndMouseButtons & 4) inp_ubButtonsBuffer[KID_2MOUSE3] = 0xFF;
// handle 2nd mouse movement
FLOAT fDX = _i2ndMouseX;
FLOAT fDY = _i2ndMouseY;
FLOAT fSensitivity = inp_f2ndMouseSensitivity;
FLOAT fD = Sqrt(fDX*fDX+fDY*fDY);
if( inp_b2ndMousePrecision) {
static FLOAT _tm2Time = 0.0f;
if( fD<inp_f2ndMousePrecisionThreshold) _tm2Time += 0.05f;
else _tm2Time = 0.0f;
if( _tm2Time>inp_f2ndMousePrecisionTimeout) fSensitivity /= inp_f2ndMousePrecisionFactor;
}
static FLOAT f2DXOld;
static FLOAT f2DYOld;
static TIME tm2OldDelta;
static CTimerValue tv2Before;
CTimerValue tvNow = _pTimer->GetHighPrecisionTimer();
TIME tmNowDelta = (tvNow-tv2Before).GetSeconds();
if( tmNowDelta<0.001f) tmNowDelta = 0.001f;
tv2Before = tvNow;
FLOAT fDXSmooth = (f2DXOld*tm2OldDelta+fDX*tmNowDelta) / (tm2OldDelta+tmNowDelta);
FLOAT fDYSmooth = (f2DYOld*tm2OldDelta+fDY*tmNowDelta) / (tm2OldDelta+tmNowDelta);
f2DXOld = fDX;
f2DYOld = fDY;
tm2OldDelta = tmNowDelta;
if( inp_bFilter2ndMouse) {
fDX = fDXSmooth;
fDY = fDYSmooth;
}
// get final mouse values
FLOAT fMouseRelX = +fDX*fSensitivity;
FLOAT fMouseRelY = -fDY*fSensitivity;
if( inp_bInvert2ndMouse) fMouseRelY = -fMouseRelY;
// just interpret values as normal
inp_caiAllAxisInfo[4].cai_fReading = fMouseRelX;
inp_caiAllAxisInfo[5].cai_fReading = fMouseRelY;
}
#endif
// if joystick polling is enabled
if (inp_bPollJoysticks || inp_bForceJoystickPolling) {
// scan all available joysticks
for( INDEX iJoy=0; iJoy<MAX_JOYSTICKS; iJoy++) {
if (inp_abJoystickOn[iJoy] && iJoy<inp_ctJoysticksAllowed) {
// scan joy state
BOOL bSucceeded = ScanJoystick(iJoy, bPreScan);
// if joystick reading failed
if (!bSucceeded && inp_bAutoDisableJoysticks) {
// kill it, so it doesn't slow down CPU
CPrintF(TRANSV("Joystick %d failed, disabling it!\n"), iJoy+1);
inp_abJoystickOn[iJoy] = FALSE;
}
}
}
}
}
/*
* Scans axis and buttons for given joystick
*/
BOOL CInput::ScanJoystick(INDEX iJoy, BOOL bPreScan)
{
ASSERT(ctJoysticks > iJoy);
ASSERT(sticks != NULL);
ASSERT(sticks[iJoy] != NULL);
SDL_Joystick *stick = sticks[iJoy];
// for each available axis
for( INDEX iAxis=0; iAxis<MAX_AXES_PER_JOYSTICK; iAxis++) {
ControlAxisInfo &cai = inp_caiAllAxisInfo[ FIRST_JOYAXIS+iJoy*MAX_AXES_PER_JOYSTICK+iAxis];
// if the axis is not present
if (!cai.cai_bExisting) {
// read as zero
cai.cai_fReading = 0.0f;
// skip to next axis
continue;
}
// read its state
SLONG slAxisReading = SDL_JoystickGetAxis(stick, iAxis);
// convert from min..max to -1..+1
FLOAT fAxisReading = FLOAT(slAxisReading-cai.cai_slMin)/(cai.cai_slMax-cai.cai_slMin)*2.0f-1.0f;
// set current axis value
cai.cai_fReading = fAxisReading;
}
// if not pre-scanning
if (!bPreScan) {
INDEX iButtonTotal = FIRST_JOYBUTTON+iJoy*MAX_BUTTONS_PER_JOYSTICK;
// for each available button
for( INDEX iButton=0; iButton<32; iButton++) {
// test if the button is pressed
if (SDL_JoystickGetButton(stick, iButton)) {
inp_ubButtonsBuffer[ iButtonTotal++] = 128;
} else {
inp_ubButtonsBuffer[ iButtonTotal++] = 0;
}
}
/*
!!! FIXME: Support hats as extra buttons...
// POV hat initially not pressed
// CPrintF("%d\n", ji.dwPOV);
INDEX iStartPOV = iButtonTotal;
inp_ubButtonsBuffer[ iStartPOV+0] = 0;
inp_ubButtonsBuffer[ iStartPOV+1] = 0;
inp_ubButtonsBuffer[ iStartPOV+2] = 0;
inp_ubButtonsBuffer[ iStartPOV+3] = 0;
// check the four pov directions
if (ji.dwPOV==JOY_POVFORWARD) {
inp_ubButtonsBuffer[ iStartPOV+0] = 128;
} else if (ji.dwPOV==JOY_POVRIGHT) {
inp_ubButtonsBuffer[ iStartPOV+1] = 128;
} else if (ji.dwPOV==JOY_POVBACKWARD) {
inp_ubButtonsBuffer[ iStartPOV+2] = 128;
} else if (ji.dwPOV==JOY_POVLEFT) {
inp_ubButtonsBuffer[ iStartPOV+3] = 128;
// and four mid-positions
} else if (ji.dwPOV==JOY_POVFORWARD+4500) {
inp_ubButtonsBuffer[ iStartPOV+0] = 128;
inp_ubButtonsBuffer[ iStartPOV+1] = 128;
} else if (ji.dwPOV==JOY_POVRIGHT+4500) {
inp_ubButtonsBuffer[ iStartPOV+1] = 128;
inp_ubButtonsBuffer[ iStartPOV+2] = 128;
} else if (ji.dwPOV==JOY_POVBACKWARD+4500) {
inp_ubButtonsBuffer[ iStartPOV+2] = 128;
inp_ubButtonsBuffer[ iStartPOV+3] = 128;
} else if (ji.dwPOV==JOY_POVLEFT+4500) {
inp_ubButtonsBuffer[ iStartPOV+3] = 128;
inp_ubButtonsBuffer[ iStartPOV+0] = 128;
}
*/
}
// successful
return TRUE;
}
// end of SDLInput.cpp ...
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