ref: 3e27f1b2d0d8f020e9d3509934736ee9055b8c31
dir: /src/rt_in.c/
/*
Copyright (C) 1994-1995 Apogee Software, Ltd.
Copyright (C) 2002-2015 icculus.org, GNU/Linux port
Copyright (C) 2017-2018 Steven LeVesque
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.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#if USE_SDL
#include "SDL2/SDL.h"
#endif
#include <SDL2/SDL_scancode.h>
#include <SDL2/SDL_keycode.h>
#include <SDL2/SDL_events.h>
#include "rt_main.h"
#include "rt_def.h"
#include "rt_in.h"
#include "_rt_in.h"
#include "isr.h"
#include "rt_util.h"
#include "rt_vh_a.h"
#include "rt_cfg.h"
#include "rt_msg.h"
#include "rt_playr.h"
#include "rt_net.h"
#include "rt_com.h"
#include "rt_cfg.h"
#include "keyb.h"
#include "HashTable.h"
#include "modexlib.h"
#define MAXMESSAGELENGTH (COM_MAXTEXTSTRINGLENGTH-1)
//****************************************************************************
//
// GLOBALS
//
//****************************************************************************]
//
// Used by menu routines that need to wait for a button release.
// Sometimes the mouse driver misses an interrupt, so you can't wait for
// a button to be released. Instead, you must ignore any buttons that
// are pressed.
//
int IgnoreMouse = 0;
// configuration variables
//
boolean MousePresent;
boolean JoysPresent[MaxJoys];
boolean JoyPadPresent = 0;
// Global variables
//
boolean Paused;
char LastASCII;
volatile int LastScan;
byte Joy_xb,
Joy_yb,
Joy_xs,
Joy_ys;
word Joy_x,
Joy_y;
int LastLetter = 0;
char LetterQueue[MAXLETTERS];
ModemMessage MSG;
#if USE_SDL
static SDL_Joystick* sdl_joysticks[MaxJoys];
static int sdl_mouse_delta_x = 0;
static int sdl_mouse_delta_y = 0;
static word sdl_mouse_button_mask = 0;
static int sdl_total_sticks = 0;
static word *sdl_stick_button_state = NULL;
static word sdl_sticks_joybits = 0;
static int sdl_mouse_grabbed = 0;
//static unsigned int scancodes[SDL_NUM_SCANCODES]; //TODO: replace with a hashtable if possible
static HashTable * scancodes;
extern boolean sdl_fullscreen;
#endif
// 'q','w','e','r','t','y','u','i','o','p','[',']','\\', 0 ,'a','s',
const char ScanChars[128] = // Scan code names with single chars
{
0, 0,'1','2','3','4','5','6','7','8','9','0','-','=', 0, 0,
'q','w','e','r','t','y','u','i','o','p','[',']', 0, 0,'a','s',
'd','f','g','h','j','k','l',';','\'','`', 0,'\\','z','x','c','v',
'b','n','m',',','.','/', 0, 0, 0,' ', 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,'-', 0,'5', 0,'+', 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
const char ShiftedScanChars[128] = // Shifted Scan code names with single chars
{
0, 0,'!','@','#','$','%','^','&','*','(',')','_','+', 0, 0,
'Q','W','E','R','T','Y','U','I','O','P','{','}', 0, 0,'A','S',
'D','F','G','H','J','K','L',':','"','~', 0,'|','Z','X','C','V',
'B','N','M','<','>','?', 0, 0, 0,' ', 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,'-', 0,'5', 0,'+', 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
//****************************************************************************
//
// LOCALS
//
//****************************************************************************]
static KeyboardDef KbdDefs = {0x1d,0x38,0x47,0x48,0x49,0x4b,0x4d,0x4f,0x50,0x51};
static JoystickDef JoyDefs[MaxJoys];
static ControlType Controls[MAXPLAYERS];
static boolean IN_Started;
static Direction DirTable[] = // Quick lookup for total direction
{
dir_NorthWest, dir_North, dir_NorthEast,
dir_West, dir_None, dir_East,
dir_SouthWest, dir_South, dir_SouthEast
};
int (far *function_ptr)();
static char *ParmStrings[] = {"nojoys","nomouse",NULL};
static int sdl_mouse_button_filter(SDL_Event const *event)
{
/*
* What DOS games expect:
* 0 left button pressed if 1
* 1 right button pressed if 1
* 2 middle button pressed if 1
*
* (That is, this is what Int 33h (AX=0x05) returns...)
*/
Uint8 bmask = SDL_GetMouseState(NULL, NULL);
sdl_mouse_button_mask = 0; /* this is a static var. */
if (bmask & SDL_BUTTON_LMASK) sdl_mouse_button_mask |= 1;
if (bmask & SDL_BUTTON_RMASK) sdl_mouse_button_mask |= 2;
if (bmask & SDL_BUTTON_MMASK) sdl_mouse_button_mask |= 4;
return(0);
} /* sdl_mouse_up_filter */
static int sdl_mouse_motion_filter(SDL_Event const *event)
{
static int mouse_x = 0;
static int mouse_y = 0;
int mouse_relative_x = 0;
int mouse_relative_y = 0;
if (event->type == SDL_JOYBALLMOTION)
{
mouse_relative_x = event->jball.xrel/100;
mouse_relative_y = event->jball.yrel/100;
mouse_x += mouse_relative_x;
mouse_y += mouse_relative_y;
} /* if */
else
{
//if (sdl_mouse_grabbed || sdl_fullscreen)
//{
mouse_relative_x = event->motion.xrel;
mouse_relative_y = event->motion.yrel;
mouse_x += mouse_relative_x;
mouse_y += mouse_relative_y;
//} /* if */
//else
//{
//mouse_relative_x = event->motion.x - mouse_x;
//mouse_relative_y = event->motion.y - mouse_y;
//mouse_x = event->motion.x;
//mouse_y = event->motion.y;
//} /* else */
} /* else */
/* set static vars... */
sdl_mouse_delta_x += mouse_relative_x;
sdl_mouse_delta_y += mouse_relative_y;
return(0);
} /* sdl_mouse_motion_filter */
/**
* Attempt to flip the video surface to fullscreen or windowed mode.
* Attempts to maintain the surface's state, but makes no guarantee
* that pointers (i.e., the surface's pixels field) will be the same
* after this call.
*
* Caveats: Your surface pointers will be changing; if you have any other
* copies laying about, they are invalidated.
*
* Do NOT call this from an SDL event filter on Windows. You can
* call it based on the return values from SDL_PollEvent, etc, just
* not during the function you passed to SDL_SetEventFilter().
*
* Thread safe? Likely not.
*
* @param surface pointer to surface ptr to toggle. May be different
* pointer on return. MAY BE NULL ON RETURN IF FAILURE!
* @param flags pointer to flags to set on surface. The value pointed
* to will be XOR'd with SDL_FULLSCREEN before use. Actual
* flags set will be filled into pointer. Contents are
* undefined on failure. Can be NULL, in which case the
* surface's current flags are used.
* @return non-zero on success, zero on failure.
*/
/*
* The windib driver can't alert us to the keypad enter key, which
* Ken's code depends on heavily. It sends it as the same key as the
* regular return key. These users will have to hit SHIFT-ENTER,
* which we check for explicitly, and give the engine a keypad enter
* enter event.
*/
static int handle_keypad_enter_hack(const SDL_Event *event)
{
static int kp_enter_hack = 0;
int retval = 0;
if (event->key.keysym.sym == SDLK_RETURN)
{
if (event->key.state == SDL_PRESSED)
{
if (event->key.keysym.mod & KMOD_SHIFT)
{
kp_enter_hack = 1;
retval = Lookup(scancodes, SDLK_KP_ENTER);
//retval = scancodes[SDLK_KP_ENTER];
} /* if */
} /* if */
else /* key released */
{
if (kp_enter_hack)
{
kp_enter_hack = 0;
//retval = scancodes = Lookup(scancodes, SDLK_KP_ENTER);
retval = Lookup(scancodes, SDLK_KP_ENTER);
//retval = scancodes[SDLK_KP_ENTER];
} /* if */
} /* if */
} /* if */
return(retval);
} /* handle_keypad_enter_hack */
static int sdl_key_filter(const SDL_Event *event)
{
int k;
int keyon;
int strippedkey;
//SDL_GrabMode grab_mode = SDL_GRAB_OFF;
int extended;
if ( (event->key.keysym.sym == SDLK_g) &&
(event->key.state == SDL_PRESSED) &&
(event->key.keysym.mod & KMOD_CTRL) )
{
//if (!sdl_fullscreen)
//{
//sdl_mouse_grabbed = ((sdl_mouse_grabbed) ? 0 : 1);
//if (sdl_mouse_grabbed)
//grab_mode = SDL_GRAB_ON;
//SDL_WM_GrabInput(grab_mode);
//}
return(0);
} /* if */
else if ( ( (event->key.keysym.sym == SDLK_RETURN) ||
(event->key.keysym.sym == SDLK_KP_ENTER) ) &&
(event->key.state == SDL_PRESSED) &&
(event->key.keysym.mod & KMOD_ALT) )
{
//if (SDL_WM_ToggleFullScreen(SDL_GetVideoSurface()))
//sdl_fullscreen ^= 1;
//return(0);
} /* if */
/* HDG: put this above the scancode lookup otherwise it is never reached */
if ( (event->key.keysym.sym == SDLK_PAUSE) &&
(event->key.state == SDL_PRESSED))
{
PausePressed = true;
return(0);
}
k = handle_keypad_enter_hack(event);
if (!k)
{
//if (event->key.keysym.sym == SDLK_a)
//{
//k = 0x1e;
//}
//else
//{
k = Lookup(scancodes, event->key.keysym.sym);
//k = scancodes[event->key.keysym.sym];
//}
if (!k) /* No DOS equivalent defined. */
return(0);
} /* if */
/* Fix elweirdo SDL capslock/numlock handling, always treat as press */
if ( (event->key.keysym.sym != SDLK_CAPSLOCK) &&
(event->key.keysym.sym != SDLK_NUMLOCKCLEAR) &&
(event->key.state == SDL_RELEASED) )
k += 128; /* +128 signifies that the key is released in DOS. */
if (event->key.keysym.sym == SDLK_SCROLLLOCK)
PanicPressed = true;
else
{
extended = ((k & 0xFF00) >> 8);
keyon = k & 0x80;
strippedkey = k & 0x7f;
if (extended != 0)
{
KeyboardQueue[ Keytail ] = extended;
Keytail = ( Keytail + 1 )&( KEYQMAX - 1 );
k = Lookup(scancodes, event->key.keysym.sym) & 0xFF;
//k = scancodes[event->key.keysym.sym] & 0xFF;
if (event->key.state == SDL_RELEASED)
k += 128; /* +128 signifies that the key is released in DOS. */
}
if (keyon) // Up event
Keystate[strippedkey]=0;
else // Down event
{
Keystate[strippedkey]=1;
LastScan = k;
}
KeyboardQueue[ Keytail ] = k;
Keytail = ( Keytail + 1 )&( KEYQMAX - 1 );
}
return(0);
} /* sdl_key_filter */
static int root_sdl_event_filter(const SDL_Event *event)
{
switch (event->type)
{
case SDL_KEYUP:
case SDL_KEYDOWN:
return(sdl_key_filter(event));
case SDL_JOYBALLMOTION:
case SDL_MOUSEMOTION:
return(sdl_mouse_motion_filter(event));
case SDL_MOUSEBUTTONUP:
case SDL_MOUSEBUTTONDOWN:
return(sdl_mouse_button_filter(event));
case SDL_QUIT:
/* !!! rcg TEMP */
fprintf(stderr, "\n\n\nSDL_QUIT!\n\n\n");
SDL_Quit();
exit(42);
break;
case SDL_WINDOWEVENT:
sdl_handle_window_events();
break;
} /* switch */
return(1);
} /* root_sdl_event_filter */
static void sdl_handle_events(void)
{
SDL_Event event;
while (SDL_PollEvent(&event))
root_sdl_event_filter(&event);
} /* sdl_handle_events */
//******************************************************************************
//
// IN_PumpEvents () - Let platform process an event queue.
//
//******************************************************************************
void IN_PumpEvents(void)
{
sdl_handle_events();
/* no-op. */
}
//******************************************************************************
//
// INL_GetMouseDelta () - Gets the amount that the mouse has moved from the
// mouse driver
//
//******************************************************************************
void INL_GetMouseDelta(int *x,int *y)
{
IN_PumpEvents();
*x = sdl_mouse_delta_x;
*y = sdl_mouse_delta_y;
sdl_mouse_delta_x = sdl_mouse_delta_y = 0;
}
//******************************************************************************
//
// IN_GetMouseButtons () - Gets the status of the mouse buttons from the
// mouse driver
//
//******************************************************************************
word IN_GetMouseButtons
(
void
)
{
word buttons = 0;
IN_PumpEvents();
buttons = sdl_mouse_button_mask;
return (buttons);
}
//******************************************************************************
//
// IN_IgnoreMouseButtons () -
// Tells the mouse to ignore the currently pressed buttons.
//
//******************************************************************************
void IN_IgnoreMouseButtons
(
void
)
{
IgnoreMouse |= IN_GetMouseButtons();
}
//******************************************************************************
//
// IN_GetJoyAbs () - Reads the absolute position of the specified joystick
//
//******************************************************************************
void IN_GetJoyAbs (word joy, word *xp, word *yp)
{
Joy_x = Joy_y = 0;
Joy_xs = joy? 2 : 0; // Find shift value for x axis
Joy_xb = 1 << Joy_xs; // Use shift value to get x bit mask
Joy_ys = joy? 3 : 1; // Do the same for y axis
Joy_yb = 1 << Joy_ys;
if (joy < sdl_total_sticks)
{
Joy_x = SDL_JoystickGetAxis (sdl_joysticks[joy], 0);
Joy_y = SDL_JoystickGetAxis (sdl_joysticks[joy], 1);
} else {
Joy_x = 0;
Joy_y = 0;
}
*xp = Joy_x;
*yp = Joy_y;
}
void JoyStick_Vals (void)
{
}
//******************************************************************************
//
// INL_GetJoyDelta () - Returns the relative movement of the specified
// joystick (from +/-127)
//
//******************************************************************************
void INL_GetJoyDelta (word joy, int *dx, int *dy)
{
word x, y;
JoystickDef *def;
IN_GetJoyAbs (joy, &x, &y);
def = JoyDefs + joy;
if (x < def->threshMinX)
{
if (x < def->joyMinX)
x = def->joyMinX;
x = -(x - def->threshMinX);
x *= def->joyMultXL;
x >>= JoyScaleShift;
*dx = (x > 127)? -127 : -x;
}
else if (x > def->threshMaxX)
{
if (x > def->joyMaxX)
x = def->joyMaxX;
x = x - def->threshMaxX;
x *= def->joyMultXH;
x >>= JoyScaleShift;
*dx = (x > 127)? 127 : x;
}
else
*dx = 0;
if (y < def->threshMinY)
{
if (y < def->joyMinY)
y = def->joyMinY;
y = -(y - def->threshMinY);
y *= def->joyMultYL;
y >>= JoyScaleShift;
*dy = (y > 127)? -127 : -y;
}
else if (y > def->threshMaxY)
{
if (y > def->joyMaxY)
y = def->joyMaxY;
y = y - def->threshMaxY;
y *= def->joyMultYH;
y >>= JoyScaleShift;
*dy = (y > 127)? 127 : y;
}
else
*dy = 0;
}
//******************************************************************************
//
// INL_GetJoyButtons () - Returns the button status of the specified
// joystick
//
//******************************************************************************
word INL_GetJoyButtons (word joy)
{
word result = 0;
if (joy < sdl_total_sticks)
result = sdl_stick_button_state[joy];
return result;
}
//******************************************************************************
//
// INL_StartMouse () - Detects and sets up the mouse
//
//******************************************************************************
boolean INL_StartMouse (void)
{
boolean retval = false;
/* no-op. */
retval = true;
return (retval);
}
//******************************************************************************
//
// INL_SetJoyScale () - Sets up scaling values for the specified joystick
//
//******************************************************************************
void INL_SetJoyScale (word joy)
{
JoystickDef *def;
def = &JoyDefs[joy];
def->joyMultXL = JoyScaleMax / (def->threshMinX - def->joyMinX);
def->joyMultXH = JoyScaleMax / (def->joyMaxX - def->threshMaxX);
def->joyMultYL = JoyScaleMax / (def->threshMinY - def->joyMinY);
def->joyMultYH = JoyScaleMax / (def->joyMaxY - def->threshMaxY);
}
//******************************************************************************
//
// IN_SetupJoy () - Sets up thresholding values and calls INL_SetJoyScale()
// to set up scaling values
//
//******************************************************************************
void IN_SetupJoy (word joy, word minx, word maxx, word miny, word maxy)
{
word d,r;
JoystickDef *def;
def = &JoyDefs[joy];
def->joyMinX = minx;
def->joyMaxX = maxx;
r = maxx - minx;
d = r / 3;
def->threshMinX = ((r / 2) - d) + minx;
def->threshMaxX = ((r / 2) + d) + minx;
def->joyMinY = miny;
def->joyMaxY = maxy;
r = maxy - miny;
d = r / 3;
def->threshMinY = ((r / 2) - d) + miny;
def->threshMaxY = ((r / 2) + d) + miny;
INL_SetJoyScale (joy);
}
//******************************************************************************
//
// INL_StartJoy () - Detects & auto-configures the specified joystick
// The auto-config assumes the joystick is centered
//
//******************************************************************************
boolean INL_StartJoy (word joy)
{
word x,y;
#ifdef __plan9__
return(false);
#else
#if USE_SDL
if (!SDL_WasInit(SDL_INIT_JOYSTICK))
{
SDL_Init(SDL_INIT_JOYSTICK);
sdl_total_sticks = SDL_NumJoysticks();
if (sdl_total_sticks > MaxJoys) sdl_total_sticks = MaxJoys;
if ((sdl_stick_button_state == NULL) && (sdl_total_sticks > 0))
{
sdl_stick_button_state = (word *) malloc(sizeof (word) * sdl_total_sticks);
if (sdl_stick_button_state == NULL)
SDL_QuitSubSystem(SDL_INIT_JOYSTICK);
else
memset(sdl_stick_button_state, '\0', sizeof (word) * sdl_total_sticks);
}
SDL_JoystickEventState(SDL_ENABLE);
}
if (joy >= sdl_total_sticks) return (false);
sdl_joysticks[joy] = SDL_JoystickOpen (joy);
#endif
IN_GetJoyAbs (joy, &x, &y);
if
(
((x == 0) || (x > MaxJoyValue - 10))
|| ((y == 0) || (y > MaxJoyValue - 10))
)
return(false);
else
{
IN_SetupJoy (joy, 0, x * 2, 0, y * 2);
return (true);
}
#endif
}
//******************************************************************************
//
// INL_ShutJoy() - Cleans up the joystick stuff
//
//******************************************************************************
void INL_ShutJoy (word joy)
{
JoysPresent[joy] = false;
if (joy < sdl_total_sticks) SDL_JoystickClose (sdl_joysticks[joy]);
}
//******************************************************************************
//
// IN_Startup() - Starts up the Input Mgr
//
//******************************************************************************
void IN_Startup (void)
{
boolean checkjoys,
checkmouse;
word i;
if (IN_Started==true)
return;
/*
all keys are now mapped to the wolf3d-style names,
except where no such name is available.
*/
//calloc(scancodes, sizeof(unsigned int) * 513);
scancodes = malloc(sizeof(HashTable));
InitHashTable(scancodes, SDL_NUM_SCANCODES);
Insert(scancodes, SDLK_ESCAPE, sc_Escape);
Insert(scancodes, SDLK_1, sc_1);
Insert(scancodes, SDLK_2, sc_2);
Insert(scancodes, SDLK_3, sc_3);
Insert(scancodes, SDLK_4, sc_4);
Insert(scancodes, SDLK_5, sc_5);
Insert(scancodes, SDLK_6, sc_6);
Insert(scancodes, SDLK_7, sc_7);
Insert(scancodes, SDLK_8, sc_8);
Insert(scancodes, SDLK_9, sc_9);
Insert(scancodes, SDLK_0, sc_0);
Insert(scancodes, SDLK_EQUALS, sc_Equals);
Insert(scancodes, SDLK_BACKSPACE, sc_BackSpace);
Insert(scancodes, SDLK_TAB, sc_Tab);
Insert(scancodes, SDLK_q, sc_Q);
Insert(scancodes, SDLK_w, sc_W);
Insert(scancodes, SDLK_e, sc_E);
Insert(scancodes, SDLK_r, sc_R);
Insert(scancodes, SDLK_t, sc_T);
Insert(scancodes, SDLK_y, sc_Y);
Insert(scancodes, SDLK_u, sc_U);
Insert(scancodes, SDLK_i, sc_I);
Insert(scancodes, SDLK_o, sc_O);
Insert(scancodes, SDLK_p, sc_P);
Insert(scancodes, SDLK_LEFTBRACKET, sc_OpenBracket);
Insert(scancodes, SDLK_RIGHTBRACKET, sc_CloseBracket);
Insert(scancodes, SDLK_RETURN, sc_Return);
Insert(scancodes, SDLK_LCTRL, sc_Control);
Insert(scancodes, SDLK_PAGEUP, sc_PgUp);
Insert(scancodes, SDLK_s, sc_S);
Insert(scancodes, SDLK_d, sc_D);
Insert(scancodes, SDLK_f, sc_F);
Insert(scancodes, SDLK_g, sc_G);
Insert(scancodes, SDLK_h, sc_H);
Insert(scancodes, SDLK_j, sc_J);
Insert(scancodes, SDLK_k, sc_K);
Insert(scancodes, SDLK_l, sc_L);
Insert(scancodes, SDLK_SEMICOLON, 0x27);
Insert(scancodes, SDLK_QUOTE, 0x28);
Insert(scancodes, SDLK_BACKQUOTE, 0x29);
Insert(scancodes, SDLK_LSHIFT, sc_RShift);
Insert(scancodes, SDLK_BACKSLASH, 0x2B);
Insert(scancodes, SDLK_z, sc_Z);
Insert(scancodes, SDLK_x, sc_X);
Insert(scancodes, SDLK_c, sc_C);
Insert(scancodes, SDLK_v, sc_V);
Insert(scancodes, SDLK_b, sc_B);
Insert(scancodes, SDLK_n, sc_N);
Insert(scancodes, SDLK_m, sc_M);
Insert(scancodes, SDLK_COMMA, sc_Comma);
Insert(scancodes, SDLK_PERIOD, sc_Period);
Insert(scancodes, SDLK_SLASH, 0x35);
Insert(scancodes, SDLK_RSHIFT, sc_RShift);
Insert(scancodes, SDLK_KP_DIVIDE, 0x35);
Insert(scancodes, SDLK_LALT, sc_Alt);
Insert(scancodes, SDLK_RALT, sc_Alt);
Insert(scancodes, SDLK_MODE, sc_Alt);
Insert(scancodes, SDLK_RCTRL, sc_Control);
Insert(scancodes, SDLK_SPACE, sc_Space);
Insert(scancodes, SDLK_CAPSLOCK, sc_CapsLock);
Insert(scancodes, SDLK_F1, sc_F1);
Insert(scancodes, SDLK_F2, sc_F2);
Insert(scancodes, SDLK_F3, sc_F3);
Insert(scancodes, SDLK_F4, sc_F4);
Insert(scancodes, SDLK_KP_PLUS, sc_Plus);
Insert(scancodes, SDLK_PLUS, sc_Plus);
Insert(scancodes, SDLK_F5, sc_F5);
Insert(scancodes, SDLK_F6, sc_F6);
Insert(scancodes, SDLK_F7, sc_F7);
Insert(scancodes, SDLK_F8, sc_F8);
Insert(scancodes, SDLK_F9, sc_F9);
Insert(scancodes, SDLK_F10, sc_F10);
Insert(scancodes, SDLK_F11, sc_F11);
Insert(scancodes, SDLK_F12, sc_F12);
Insert(scancodes, SDLK_NUMLOCKCLEAR, 0x45);
Insert(scancodes, SDLK_SCROLLLOCK, 0x46);
Insert(scancodes, SDLK_MINUS, sc_Minus);
Insert(scancodes, SDLK_KP_PERIOD, sc_Delete);
Insert(scancodes, SDLK_KP_7, sc_Home);
Insert(scancodes, SDLK_KP_8, sc_UpArrow);
Insert(scancodes, SDLK_KP_9, sc_PgUp);
Insert(scancodes, SDLK_HOME, sc_Home);
Insert(scancodes, SDLK_UP, sc_UpArrow);
Insert(scancodes, SDLK_a, sc_A);
Insert(scancodes, SDLK_KP_MINUS, sc_Minus);
Insert(scancodes, SDLK_KP_4, sc_LeftArrow);
Insert(scancodes, SDLK_KP_5, 0x4C);
Insert(scancodes, SDLK_KP_6, sc_RightArrow);
Insert(scancodes, SDLK_LEFT, sc_LeftArrow);
Insert(scancodes, SDLK_RIGHT, sc_RightArrow);
Insert(scancodes, SDLK_KP_1, sc_End);
Insert(scancodes, SDLK_KP_2, sc_DownArrow);
Insert(scancodes, SDLK_KP_3, sc_PgDn);
Insert(scancodes, SDLK_END, sc_End);
Insert(scancodes, SDLK_DOWN, sc_DownArrow);
Insert(scancodes, SDLK_PAGEDOWN, sc_PgDn);
Insert(scancodes, SDLK_DELETE, sc_Delete);
Insert(scancodes, SDLK_KP_0, sc_Insert);
Insert(scancodes, SDLK_INSERT, sc_Insert);
Insert(scancodes, SDLK_KP_ENTER, sc_Return);
checkjoys = true;
checkmouse = true;
for (i = 1; i < _argc; i++)
{
switch (US_CheckParm (_argv[i], ParmStrings))
{
case 0:
checkjoys = false;
break;
case 1:
checkmouse = false;
break;
}
}
MousePresent = checkmouse ? INL_StartMouse() : false;
if (!MousePresent)
mouseenabled = false;
else
{
if (!quiet)
printf("IN_Startup: Mouse Present\n");
}
for (i = 0; i < MaxJoys; i++)
{
JoysPresent[i] = checkjoys ? INL_StartJoy(i) : false;
if (INL_StartJoy(i))
{
if (!quiet)
printf("IN_Startup: Joystick Present\n");
}
}
IN_Started = true;
}
void ClearScanCodes()
{
ClearHashTable(scancodes);
}
//******************************************************************************
//
// IN_Shutdown() - Shuts down the Input Mgr
//
//******************************************************************************
void IN_Shutdown (void)
{
word i;
if (IN_Started==false)
return;
// INL_ShutMouse();
for (i = 0; i < MaxJoys; i++)
INL_ShutJoy(i);
IN_Started = false;
}
//******************************************************************************
//
// IN_ClearKeysDown() - Clears the keyboard array
//
//******************************************************************************
void IN_ClearKeysDown (void)
{
LastScan = sc_None;
memset ((void *)Keyboard, 0, sizeof (Keyboard));
}
//******************************************************************************
//
// IN_ReadControl() - Reads the device associated with the specified
// player and fills in the control info struct
//
//******************************************************************************
void IN_ReadControl (int player, ControlInfo *info)
{
boolean realdelta;
word buttons;
int dx,dy;
Motion mx,my;
ControlType type;
KeyboardDef *def;
dx = dy = 0;
mx = my = motion_None;
buttons = 0;
switch (type = Controls[player])
{
case ctrl_Keyboard:
def = &KbdDefs;
if (Keyboard[sc_UpArrow])
my = motion_Up;
else if (Keyboard[sc_DownArrow])
my = motion_Down;
if (Keyboard[sc_LeftArrow])
mx = motion_Left;
else if (Keyboard[sc_RightArrow])
mx = motion_Right;
if (Keyboard[def->button0])
buttons += 1 << 0;
if (Keyboard[def->button1])
buttons += 1 << 1;
realdelta = false;
break;
default:
;
}
if (realdelta)
{
mx = (dx < 0)? motion_Left : ((dx > 0)? motion_Right : motion_None);
my = (dy < 0)? motion_Up : ((dy > 0)? motion_Down : motion_None);
}
else
{
dx = mx * 127;
dy = my * 127;
}
info->x = dx;
info->xaxis = mx;
info->y = dy;
info->yaxis = my;
info->button0 = buttons & (1 << 0);
info->button1 = buttons & (1 << 1);
info->button2 = buttons & (1 << 2);
info->button3 = buttons & (1 << 3);
info->dir = DirTable[((my + 1) * 3) + (mx + 1)];
}
//******************************************************************************
//
// IN_WaitForKey() - Waits for a scan code, then clears LastScan and
// returns the scan code
//
//******************************************************************************
ScanCode IN_WaitForKey (void)
{
ScanCode result;
while (!(result = LastScan))
IN_PumpEvents();
LastScan = 0;
return (result);
}
//******************************************************************************
//
// IN_Ack() - waits for a button or key press. If a button is down, upon
// calling, it must be released for it to be recognized
//
//******************************************************************************
boolean btnstate[8];
void IN_StartAck (void)
{
unsigned i,
buttons = 0;
//
// get initial state of everything
//
LastScan = 0;
IN_ClearKeysDown ();
memset (btnstate, 0, sizeof(btnstate));
IN_PumpEvents();
buttons = IN_JoyButtons () << 4;
buttons |= IN_GetMouseButtons();
for (i=0; i<8; i++,buttons>>=1)
if (buttons&1)
btnstate[i] = true;
}
//******************************************************************************
//
// IN_CheckAck ()
//
//******************************************************************************
boolean IN_CheckAck (void)
{
unsigned i,
buttons = 0;
//
// see if something has been pressed
//
if (LastScan)
return true;
IN_PumpEvents();
buttons = IN_JoyButtons () << 4;
buttons |= IN_GetMouseButtons();
for (i=0; i<8; i++,buttons>>=1)
if ( buttons&1 )
{
if (!btnstate[i])
return true;
}
else
btnstate[i]=false;
return false;
}
//******************************************************************************
//
// IN_Ack ()
//
//******************************************************************************
void IN_Ack (void)
{
IN_StartAck ();
while (!IN_CheckAck ())
;
}
//******************************************************************************
//
// IN_UserInput() - Waits for the specified delay time (in ticks) or the
// user pressing a key or a mouse button. If the clear flag is set, it
// then either clears the key or waits for the user to let the mouse
// button up.
//
//******************************************************************************
boolean IN_UserInput (long delay)
{
long lasttime;
lasttime = GetTicCount();
IN_StartAck ();
do
{
if (IN_CheckAck())
return true;
} while ((GetTicCount() - lasttime) < delay);
return (false);
}
//===========================================================================
/*
===================
=
= IN_JoyButtons
=
===================
*/
byte IN_JoyButtons (void)
{
unsigned joybits = 0;
joybits = sdl_sticks_joybits;
return (byte) joybits;
}
//******************************************************************************
//
// IN_UpdateKeyboard ()
//
//******************************************************************************
/* HACK HACK HACK */
static int queuegotit=0;
void IN_UpdateKeyboard (void)
{
int tail;
int key;
if (!queuegotit)
IN_PumpEvents();
queuegotit=0;
if (Keytail != Keyhead)
{
tail = Keytail;
while (Keyhead != tail)
{
if (KeyboardQueue[Keyhead] & 0x80) // Up event
{
key = KeyboardQueue[Keyhead] & 0x7F; // AND off high bit
// if (keysdown[key])
// {
// KeyboardQueue[Keytail] = KeyboardQueue[Keyhead];
// Keytail = (Keytail+1)&(KEYQMAX-1);
// }
// else
Keyboard[key] = 0;
}
else // Down event
{
Keyboard[KeyboardQueue[Keyhead]] = 1;
// keysdown[KeyboardQueue[Keyhead]] = 1;
}
Keyhead = (Keyhead+1)&(KEYQMAX-1);
} // while
} // if
// Carry over movement keys from the last refresh
// keysdown[sc_RightArrow] = Keyboard[sc_RightArrow];
// keysdown[sc_LeftArrow] = Keyboard[sc_LeftArrow];
// keysdown[sc_UpArrow] = Keyboard[sc_UpArrow];
// keysdown[sc_DownArrow] = Keyboard[sc_DownArrow];
}
//******************************************************************************
//
// IN_InputUpdateKeyboard ()
//
//******************************************************************************
int IN_InputUpdateKeyboard (void)
{
int key;
int returnval = 0;
boolean done = false;
// _disable ();
if (Keytail != Keyhead)
{
int tail = Keytail;
while (!done && (Keyhead != tail))
{
if (KeyboardQueue[Keyhead] & 0x80) // Up event
{
key = KeyboardQueue[Keyhead] & 0x7F; // AND off high bit
Keyboard[key] = 0;
}
else // Down event
{
Keyboard[KeyboardQueue[Keyhead]] = 1;
returnval = KeyboardQueue[Keyhead];
done = true;
}
Keyhead = (Keyhead+1)&(KEYQMAX-1);
}
} // if
// _enable ();
return (returnval);
}
//******************************************************************************
//
// IN_ClearKeyboardQueue ()
//
//******************************************************************************
void IN_ClearKeyboardQueue (void)
{
return;
// IN_ClearKeysDown ();
// Keytail = Keyhead = 0;
// memset (KeyboardQueue, 0, sizeof (KeyboardQueue));
// I_SendKeyboardData(0xf6);
// I_SendKeyboardData(0xf4);
}
//******************************************************************************
//
// QueueLetterInput ()
//
//******************************************************************************
void QueueLetterInput (void)
{
int head = Keyhead;
int tail = Keytail;
char c;
int scancode;
boolean send = false;
/* HACK HACK HACK */
/*
OK, we want the new keys NOW, and not when the update gets them.
Since this called before IN_UpdateKeyboard in PollKeyboardButtons,
we shall update here. The hack is there to prevent IN_UpdateKeyboard
from stealing any keys... - SBF
*/
IN_PumpEvents();
head = Keyhead;
tail = Keytail;
queuegotit=1;
/* HACK HACK HACK */
while (head != tail)
{
if (!(KeyboardQueue[head] & 0x80)) // Down event
{
scancode = KeyboardQueue[head];
if (Keyboard[sc_RShift] || Keyboard[sc_LShift])
{
c = ShiftedScanChars[scancode];
}
else
{
c = ScanChars[scancode];
}
// If "is printable char", queue the character
if (c)
{
LetterQueue[LastLetter] = c;
LastLetter = (LastLetter+1)&(MAXLETTERS-1);
// If typing a message, update the text with 'c'
if ( MSG.messageon )
{
Keystate[scancode]=0;
KeyboardQueue[head] = 0;
if ( MSG.inmenu )
{
if ( ( c == 'A' ) || ( c == 'a' ) )
{
MSG.towho = MSG_DIRECTED_TO_ALL;
send = true;
}
if ( ( gamestate.teamplay ) &&
( ( c == 'T' ) || ( c == 't' ) ) )
{
MSG.towho = MSG_DIRECTED_TO_TEAM;
send = true;
}
if ( ( c >= '0' ) && ( c <= '9' ) )
{
int who;
if ( c == '0' )
{
who = 10;
}
else
{
who = c - '1';
}
// Skip over local player
if ( who >= consoleplayer )
{
who++;
}
if ( who < numplayers )
{
MSG.towho = who;
send = true;
}
}
if ( send )
{
MSG.messageon = false;
KeyboardQueue[ head ] = 0;
Keyboard[ scancode ] = 0;
LastScan = 0;
FinishModemMessage( MSG.textnum, true );
}
}
else if ( ( scancode >= sc_1 ) && ( scancode <= sc_0 ) &&
( Keyboard[ sc_Alt ] ) )
{
int msg;
msg = scancode - sc_1;
if ( CommbatMacros[ msg ].avail )
{
MSG.length = strlen( CommbatMacros[ msg ].macro ) + 1;
strncpy( Messages[ MSG.textnum ].text,
CommbatMacros[ msg ].macro, MSG.length) ;
MSG.messageon = false;
FinishModemMessage( MSG.textnum, true );
KeyboardQueue[ head ] = 0;
Keyboard[ sc_Enter ] = 0;
Keyboard[ sc_Escape ] = 0;
LastScan = 0;
}
else
{
MSG.messageon = false;
MSG.directed = false;
FinishModemMessage( MSG.textnum, false );
AddMessage( "No macro.", MSG_MACRO );
KeyboardQueue[ head ] = 0;
Keyboard[ sc_Enter ] = 0;
Keyboard[ sc_Escape ] = 0;
LastScan = 0;
}
}
else if ( MSG.length < MAXMESSAGELENGTH )
{
UpdateModemMessage (MSG.textnum, c);
}
}
}
else
{
// If typing a message, check for special characters
if ( MSG.messageon && MSG.inmenu )
{
if ( scancode == sc_Escape )
{
MSG.messageon = false;
MSG.directed = false;
FinishModemMessage( MSG.textnum, false );
KeyboardQueue[head] = 0;
Keyboard[sc_Enter] = 0;
Keyboard[sc_Escape] = 0;
LastScan = 0;
}
}
else if ( MSG.messageon && !MSG.inmenu )
{
if ( ( scancode >= sc_F1 ) &&
( scancode <= sc_F10 ) )
{
MSG.remoteridicule = scancode - sc_F1;
MSG.messageon = false;
FinishModemMessage(MSG.textnum, true);
KeyboardQueue[head] = 0;
Keyboard[sc_Enter] = 0;
Keyboard[sc_Escape] = 0;
LastScan = 0;
}
switch (scancode)
{
case sc_BackSpace:
KeyboardQueue[head] = 0;
if (MSG.length > 1)
{
ModemMessageDeleteChar (MSG.textnum);
}
Keystate[scancode]=0;
break;
case sc_Enter:
MSG.messageon = false;
FinishModemMessage(MSG.textnum, true);
KeyboardQueue[head] = 0;
Keyboard[sc_Enter] = 0;
Keyboard[sc_Escape] = 0;
LastScan = 0;
Keystate[scancode]=0;
break;
case sc_Escape:
MSG.messageon = false;
MSG.directed = false;
FinishModemMessage(MSG.textnum, false);
KeyboardQueue[head] = 0;
Keyboard[sc_Enter] = 0;
Keyboard[sc_Escape] = 0;
LastScan = 0;
break;
}
}
}
}
head = (head+1)&(KEYQMAX-1);
} // while
}