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mupen64plus-oldsvn/blight_input/plugin.c
Louai Al-Khanji 26f5a44613 Fix arrow keys
2008-12-07 00:54:54 +00:00

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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Mupen64plus - plugin.c *
* Mupen64Plus homepage: http://code.google.com/p/mupen64plus/ *
* Copyright (C) 2008 Richard42 Tillin9 *
* Copyright (C) 2002 Blight *
* *
* 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 the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#include <dirent.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "SDL.h"
#include "../main/winlnxdefs.h"
#include "plugin.h"
#ifdef GUI_SDL
# include "configdialog_sdl.h"
#elif defined(GUI_GTK)
# include "configdialog_gtk.h"
#endif
#ifdef GUI_GTK
# include <gtk/gtk.h>
#endif
#ifdef __linux__
#include <linux/input.h>
#endif /* __linux__ */
#include <errno.h>
/* defines for the force feedback rumble support */
#ifdef __linux__
#define BITS_PER_LONG (sizeof(long) * 8)
#define OFF(x) ((x)%BITS_PER_LONG)
#define BIT(x) (1UL<<OFF(x))
#define LONG(x) ((x)/BITS_PER_LONG)
#define test_bit(bit, array) ((array[LONG(bit)] >> OFF(bit)) & 1)
#endif //__linux__
#include "winuser.h"
static unsigned short button_bits[] = {
0x0001, // R_DPAD
0x0002, // L_DPAD
0x0004, // D_DPAD
0x0008, // U_DPAD
0x0010, // START_BUTTON
0x0020, // Z_TRIG
0x0040, // B_BUTTON
0x0080, // A_BUTTON
0x0100, // R_CBUTTON
0x0200, // L_CBUTTON
0x0400, // D_CBUTTON
0x0800, // U_CBUTTON
0x1000, // R_TRIG
0x2000, // L_TRIG
0x4000, // Mempak switch
0x8000 // Rumblepak switch
};
static SController controller[4]; // 4 controllers
static int romopen = 0; // is a rom opened
static char configdir[PATH_MAX] = {0}; // holds config dir path
Uint8 myKeyState[SDLK_LAST];
static const char *button_names[] = {
"DPad R", // R_DPAD
"DPad L", // L_DPAD
"DPad D", // D_DPAD
"DPad U", // U_DPAD
"Start", // START_BUTTON
"Z Trig", // Z_TRIG
"B Button", // B_BUTTON
"A Button", // A_BUTTON
"C Button R", // R_CBUTTON
"C Button L", // L_CBUTTON
"C Button D", // D_CBUTTON
"C Button U", // U_CBUTTON
"R Trig", // R_TRIG
"L Trig", // L_TRIG
"Mempak switch",
"Rumblepak switch",
"Y Axis", // Y_AXIS
"X Axis" // X_AXIS
};
static int
get_button_num_by_name( const char *name )
{
int i;
for( i = 0; i < NUM_BUTTONS; i++ )
if( !strncasecmp( name, button_names[i], strlen( button_names[i] ) ) )
{
#ifdef _DEBUG
printf( "%s, %d: name = %s, button = %d\n", __FILE__, __LINE__, name, i );
#endif
return i;
}
#ifdef _DEBUG
printf( "%s, %d: button '%s' unknown\n", __FILE__, __LINE__, name );
#endif
return -1;
}
/*
static SDLKey
get_key_by_name( const char *name )
{
int i;
for( i = 0; i < SDLK_LAST; i++ )
if( !strncasecmp( name, SDL_GetKeyName( i ), strlen( SDL_GetKeyName( i ) ) ) )
{
#ifdef _DEBUG
printf( "%s, %d: name = %s, key = %d\n", __FILE__, __LINE__, name, i );
#endif
return i;
}
#ifdef _DEBUG
printf( "%s, %d: key '%s' unknown\n", __FILE__, __LINE__, name );
#endif
return SDLK_UNKNOWN;
}
*/
static int
get_hat_pos_by_name( const char *name )
{
if( !strcasecmp( name, "up" ) )
return SDL_HAT_UP;
if( !strcasecmp( name, "down" ) )
return SDL_HAT_DOWN;
if( !strcasecmp( name, "left" ) )
return SDL_HAT_LEFT;
if( !strcasecmp( name, "right" ) )
return SDL_HAT_RIGHT;
return -1;
}
void read_configuration( void )
{
FILE *f;
int cont, plugged, plugin, mouse, i, b, dev;
char line[200], device[200], key_a[200], key_b[200], button_a[200], button_b[200],
axis[200], axis_a[200], axis_b[200], button[200], hat[200], hat_pos_a[200], hat_pos_b[200], mbutton[200];
char chAxisDir;
const char *p;
char path[PATH_MAX];
for( i = 0; i < 4; i++ )
{
controller[i].device = DEVICE_NONE;
controller[i].control.Present = FALSE;
controller[i].control.RawData = FALSE;
controller[i].control.Plugin = PLUGIN_NONE;
for( b = 0; b < 16; b++ )
{
controller[i].button[b].button = -1;
controller[i].button[b].key = SDLK_UNKNOWN;
controller[i].button[b].axis = -1;
controller[i].button[b].hat = -1;
controller[i].button[b].hat_pos = -1;
controller[i].button[b].mouse = -1;
}
for( b = 0; b < 2; b++ )
{
controller[i].axis[b].button_a = controller[i].axis[b].button_b = -1;
controller[i].axis[b].key_a = controller[i].axis[b].key_a = SDLK_UNKNOWN;
controller[i].axis[b].axis_a = -1;
controller[i].axis[b].axis_dir_a = 1;
controller[i].axis[b].axis_b = -1;
controller[i].axis[b].axis_dir_b = 1;
controller[i].axis[b].hat = -1;
controller[i].axis[b].hat_pos_a = -1;
controller[i].axis[b].hat_pos_b = -1;
}
}
path[0] = '\0';
if(strlen(configdir) > 0)
strncpy(path, configdir, PATH_MAX);
strncat(path, "blight_input.conf", PATH_MAX - strlen(path));
f = fopen( path, "r" );
if( f == NULL )
{
fprintf( stderr, "["PLUGIN_NAME"]: Couldn't open blight_input.conf for reading: %s\n", strerror( errno ) );
return;
}
while( !feof( f ) )
{
if( fgets( line, 200, f ) == NULL )
break;
if( line[0] == '\n' || line[0] == '\0' )
continue;
if( sscanf( line, "[controller %d]", &cont ) == 1 )
continue;
if( sscanf( line, "plugged=%d", &plugged ) == 1 )
{
controller[cont].control.Present = plugged;
continue;
}
if( sscanf( line, "plugin=%d", &plugin ) == 1 )
{
controller[cont].control.Plugin = plugin;
continue;
}
if( sscanf( line, "mouse=%d", &mouse ) == 1 )
{
controller[cont].mouse = mouse;
continue;
}
if( sscanf( line, "device=%200s", device ) == 1 )
{
dev = DEVICE_NONE;
if( !strcasecmp( device, "keyboard" ) )
dev = DEVICE_KEYBOARD;
else if( sscanf( device, "%d", &i ) == 1 )
dev = i;
controller[cont].device = dev;
continue;
}
p = strchr( line, '=' );
if( p )
{
int len = p - line;
int num;
strncpy( button, line, len );
button[len] = '\0';
p++;
b = get_button_num_by_name( button );
if( (b == X_AXIS) || (b == Y_AXIS) )
{
num = sscanf( p, "key( %s , %s ); button( %s , %s ); axis( %s , %s ); hat( %s , %s , %s )",
key_a, key_b, button_a, button_b, axis_a, axis_b, hat, hat_pos_a, hat_pos_b );
#ifdef _DEBUG
printf( "%s, %d: num = %d, key_a = %s, key_b = %s, button_a = %s, button_b = %s, axis_a = %s, axis_b = %s, hat = %s, hat_pos_a = %s, hat_pos_b = %s\n", __FILE__, __LINE__, num,
key_a, key_b, button_a, button_b, axis_a, axis_b, hat, hat_pos_a, hat_pos_b );
#endif
if( sscanf( key_a, "%d", (int *)&controller[cont].axis[b - Y_AXIS].key_a ) != 1 )
controller[cont].axis[b - Y_AXIS].key_a = -1;
if( sscanf( key_b, "%d", (int *)&controller[cont].axis[b - Y_AXIS].key_b ) != 1 )
controller[cont].axis[b - Y_AXIS].key_b = -1;
if( sscanf( button_a, "%d", &controller[cont].axis[b - Y_AXIS].button_a ) != 1 )
controller[cont].axis[b - Y_AXIS].button_a = -1;
if( sscanf( button_b, "%d", &controller[cont].axis[b - Y_AXIS].button_b ) != 1 )
controller[cont].axis[b - Y_AXIS].button_b = -1;
num = sscanf( axis_a, "%d%c", &controller[cont].axis[b - Y_AXIS].axis_a, &chAxisDir );
if( num != 2 )
{
controller[cont].axis[b - Y_AXIS].axis_a = -1;
controller[cont].axis[b - Y_AXIS].axis_dir_a = 0;
}
else
{
if( chAxisDir == '+' )
controller[cont].axis[b - Y_AXIS].axis_dir_a = 1;
else if( chAxisDir == '-' )
controller[cont].axis[b - Y_AXIS].axis_dir_a = -1;
else
controller[cont].axis[b - Y_AXIS].axis_dir_a = 0;
}
num = sscanf( axis_b, "%d%c", &controller[cont].axis[b - Y_AXIS].axis_b, &chAxisDir);
if( num != 2 )
{
controller[cont].axis[b - Y_AXIS].axis_b = -1;
controller[cont].axis[b - Y_AXIS].axis_dir_b = 0;
}
else
{
if( chAxisDir == '+' )
controller[cont].axis[b - Y_AXIS].axis_dir_b = 1;
else if( chAxisDir == '-' )
controller[cont].axis[b - Y_AXIS].axis_dir_b = -1;
else
controller[cont].axis[b - Y_AXIS].axis_dir_b = 0;
}
if( sscanf( hat, "%d", &controller[cont].axis[b - Y_AXIS].hat ) != 1 )
controller[cont].axis[b - Y_AXIS].hat = -1;
controller[cont].axis[b - Y_AXIS].hat_pos_a = get_hat_pos_by_name( hat_pos_a );
controller[cont].axis[b - Y_AXIS].hat_pos_b = get_hat_pos_by_name( hat_pos_b );
}
else
{
num = sscanf( p, "key( %s ); button( %s ); axis( %s ); hat( %s , %s ); mouse( %s )",
key_a,
button_a,
axis,
hat,
hat_pos_a,
mbutton );
#ifdef _DEBUG
printf( "%s, %d: num = %d, key = %s, button = %s, axis = %s, hat = %s, hat_pos = %s, mbutton = %s\n", __FILE__, __LINE__, num, key_a, button_a, axis, hat, hat_pos_a, mbutton );
#endif
num = sscanf( axis, "%d%c", &controller[cont].button[b].axis, &chAxisDir );
if( num != 2 )
{
controller[cont].button[b].axis = -1;
controller[cont].button[b].axis_dir = 0;
}
else
{
if( chAxisDir == '+' )
controller[cont].button[b].axis_dir = 1;
else if( chAxisDir == '-' )
controller[cont].button[b].axis_dir = -1;
else
controller[cont].button[b].axis_dir = 0;
}
if( sscanf( key_a, "%d", (int *)&controller[cont].button[b].key ) != 1 )
controller[cont].button[b].key = -1;
if( sscanf( button_a, "%d", &controller[cont].button[b].button ) != 1 )
controller[cont].button[b].button = -1;
if( sscanf( hat, "%d", &controller[cont].button[b].hat ) != 1 )
controller[cont].button[b].hat = -1;
controller[cont].button[b].hat_pos = get_hat_pos_by_name( hat_pos_a );
if( sscanf( mbutton, "%d", &controller[cont].button[b].mouse ) != 1 )
controller[cont].button[b].mouse = -1;
}
continue;
}
fprintf( stderr, "["PLUGIN_NAME"]: Unknown config line: %s\n", line );
}
fclose( f );
}
#define HAT_POS_NAME( hat ) \
((hat == SDL_HAT_UP) ? "Up" : \
((hat == SDL_HAT_DOWN) ? "Down" : \
((hat == SDL_HAT_LEFT) ? "Left" : \
((hat == SDL_HAT_RIGHT) ? "Right" : \
"None"))))
int
write_configuration( void )
{
FILE *f;
int i, b;
char cKey_a[100], cKey_b[100];
char cButton_a[100], cButton_b[100], cAxis[100], cAxis_a[100], cAxis_b[100];
char cHat[100];
char cMouse[100];
char path[PATH_MAX];
path[0] = '\0';
if(strlen(configdir) > 0)
strncpy(path, configdir, PATH_MAX);
strncat(path, "blight_input.conf", PATH_MAX - strlen(path));
f = fopen( path, "w" );
if( f == NULL )
{
fprintf( stderr, "["PLUGIN_NAME"]: Couldn't open blight_input.conf for writing: %s\n", strerror( errno ) );
return -1;
}
for( i = 0; i < 4; i++ )
{
fprintf( f, "[controller %d]\n", i );
fprintf( f, "plugged=%d\n", controller[i].control.Present );
fprintf( f, "plugin=%d\n", controller[i].control.Plugin );
fprintf( f, "mouse=%d\n", controller[i].mouse );
if( controller[i].device == DEVICE_KEYBOARD )
fprintf( f, "device=Keyboard\n" );
else if( controller[i].device >= 0 )
fprintf( f, "device=%d\n", controller[i].device );
else
fprintf( f, "device=None\n" );
for( b = 0; b < 16; b++ )
{
// cKey_a = (controller[i].button[b].key == SDLK_UNKNOWN) ? "None" : SDL_GetKeyName( controller[i].button[b].key );
if( controller[i].button[b].key >= 0 )
sprintf( cKey_a, "%d", controller[i].button[b].key );
else
strcpy( cButton_a, "None" );
if( controller[i].button[b].button >= 0 )
sprintf( cButton_a, "%d", controller[i].button[b].button );
else
strcpy( cButton_a, "None" );
if( controller[i].button[b].axis >= 0 )
sprintf( cAxis, "%d%c", controller[i].button[b].axis, (controller[i].button[b].axis_dir == -1) ? '-' : '+' );
else
strcpy( cAxis, "None" );
if( controller[i].button[b].hat >= 0 )
sprintf( cHat, "%d", controller[i].button[b].hat );
else
strcpy( cHat, "None" );
if( controller[i].button[b].mouse >= 0 )
sprintf( cMouse, "%d", controller[i].button[b].mouse );
else
strcpy( cMouse, "None" );
fprintf( f, "%s=key( %s ); button( %s ); axis( %s ); hat( %s , %s ); mouse( %s )\n", button_names[b],
cKey_a, cButton_a, cAxis, cHat, HAT_POS_NAME(controller[i].button[b].hat_pos), cMouse );
}
for( b = 0; b < 2; b++ )
{
// cKey_a = (controller[i].axis[b].key_a == SDLK_UNKNOWN) ? "None" : SDL_GetKeyName( controller[i].axis[b].key_a );
// cKey_b = (controller[i].axis[b].key_b == SDLK_UNKNOWN) ? "None" : SDL_GetKeyName( controller[i].axis[b].key_b );
if( controller[i].axis[b].key_a >= 0 )
sprintf( cKey_a, "%d", controller[i].axis[b].key_a );
else
strcpy( cKey_a, "None" );
if( controller[i].axis[b].key_b >= 0 )
sprintf( cKey_b, "%d", controller[i].axis[b].key_b );
else
strcpy( cKey_b, "None" );
if( controller[i].axis[b].button_a >= 0 )
sprintf( cButton_a, "%d", controller[i].axis[b].button_a );
else
strcpy( cButton_a, "None" );
if( controller[i].axis[b].button_b >= 0 )
sprintf( cButton_b, "%d", controller[i].axis[b].button_b );
else
strcpy( cButton_b, "None" );
if( controller[i].axis[b].axis_a >= 0 )
sprintf( cAxis_a, "%d%c", controller[i].axis[b].axis_a, (controller[i].axis[b].axis_dir_a <= 0) ? '-' : '+' );
else
strcpy( cAxis_a, "None" );
if( controller[i].axis[b].axis_b >= 0 )
sprintf( cAxis_b, "%d%c", controller[i].axis[b].axis_b, (controller[i].axis[b].axis_dir_b <= 0) ? '-' : '+' );
else
strcpy( cAxis_b, "None" );
if( controller[i].axis[b].hat >= 0 )
sprintf( cHat, "%d", controller[i].axis[b].hat );
else
strcpy( cHat, "None" );
fprintf( f, "%s=key( %s , %s ); button( %s , %s ); axis( %s , %s ); hat( %s , %s , %s )\n", button_names[b+16],
cKey_a, cKey_b, cButton_a, cButton_b, cAxis_a, cAxis_b, cHat, HAT_POS_NAME(controller[i].axis[b].hat_pos_a), HAT_POS_NAME(controller[i].axis[b].hat_pos_b) );
}
fprintf( f, "\n" );
}
fclose( f );
return 0;
}
BYTE lastCommand[6];
#ifdef __linux__
struct ff_effect ffeffect[3];
struct ff_effect ffstrong[3];
struct ff_effect ffweak[3];
#endif //__linux__
BYTE DataCRC( BYTE *Data, int iLenght )
{
register BYTE Remainder = Data[0];
int iByte = 1;
BYTE bBit = 0;
while( iByte <= iLenght )
{
BOOL HighBit = ((Remainder & 0x80) != 0);
Remainder = Remainder << 1;
Remainder += ( iByte < iLenght && Data[iByte] & (0x80 >> bBit )) ? 1 : 0;
Remainder ^= (HighBit) ? 0x85 : 0;
bBit++;
iByte += bBit/8;
bBit %= 8;
}
return Remainder;
}
/******************************************************************
Function: CloseDLL
Purpose: This function is called when the emulator is closing
down allowing the dll to de-initialise.
input: none
output: none
*******************************************************************/
void
CloseDLL( void )
{
printf( "["PLUGIN_NAME"]: Closing...\n" );
}
/******************************************************************
Function: ControllerCommand
Purpose: To process the raw data that has just been sent to a
specific controller.
input: - Controller Number (0 to 3) and -1 signalling end of
processing the pif ram.
- Pointer of data to be processed.
output: none
note: This function is only needed if the DLL is allowing raw
data, or the plugin is set to raw
the data that is being processed looks like this:
initilize controller: 01 03 00 FF FF FF
read controller: 01 04 01 FF FF FF FF
*******************************************************************/
void ControllerCommand(int Control, BYTE *Command)
{
BYTE *Data = &Command[5];
if (Control == -1)
return;
switch (Command[2])
{
case RD_GETSTATUS:
/*printf( "Get status\n" );*/
break;
case RD_READKEYS:
/*printf( "Read keys\n" );*/
break;
case RD_READPAK:
/*printf( "Read pak\n" );*/
if (controller[Control].control.Plugin == PLUGIN_RAW)
{
DWORD dwAddress = (Command[3] << 8) + (Command[4] & 0xE0);
if(( dwAddress >= 0x8000 ) && ( dwAddress < 0x9000 ) )
memset( Data, 0x80, 32 );
else
memset( Data, 0x00, 32 );
Data[32] = DataCRC( Data, 32 );
break;
}
case RD_WRITEPAK:
/*printf( "Write pak\n" );*/
if (controller[Control].control.Plugin == PLUGIN_RAW)
{
DWORD dwAddress = (Command[3] << 8) + (Command[4] & 0xE0);
/*Uncomment to test rumble on systems without necessary hardware.
if(dwAddress==PAK_IO_RUMBLE&&*Data)
printf("Triggering rumble pack.\n");*/
#ifdef __linux__
struct input_event play;
if( dwAddress == PAK_IO_RUMBLE && controller[Control].event_joystick != 0)
{
if( *Data )
{
play.type = EV_FF;
play.code = ffeffect[Control].id;
play.value = 1;
if (write(controller[Control].event_joystick, (const void*) &play, sizeof(play)) == -1)
perror("Error starting rumble effect");
}
else
{
play.type = EV_FF;
play.code = ffeffect[Control].id;
play.value = 0;
if (write(controller[Control].event_joystick, (const void*) &play, sizeof(play)) == -1)
perror("Error stopping rumble effect");
}
}
#endif //__linux__
Data[32] = DataCRC( Data, 32 );
}
break;
case RD_RESETCONTROLLER:
/*printf( "Reset controller\n" );*/
break;
case RD_READEEPROM:
/*printf( "Read eeprom\n" );*/
break;
case RD_WRITEEPROM:
/*printf( "Write eeprom\n" );*/
break;
}
}
/******************************************************************
Function: DllAbout
Purpose: This function is optional function that is provided
to give further information about the DLL.
input: a handle to the window that calls this function
output: none
*******************************************************************/
#ifdef GUI_SDL
# include "SDL_ttf.h"
# include "arial.ttf.h" // arial font
# include <stdarg.h>
# define FONT_SIZEPT 15
# define ABOUT_DIALOG_WIDTH 300
# define ABOUT_DIALOG_HEIGHT 145
// render text
static inline SDL_Surface *
render_text( TTF_Font *font, SDL_Color fg, SDL_Color bg, const char *fmt, ... )
{
va_list ap;
char buf[2049];
va_start( ap, fmt );
vsnprintf( buf, 2048, fmt, ap );
va_end( ap );
if( *buf == '\0' )
return NULL;
return( TTF_RenderText_Shaded( font, buf, fg, bg ) );
}
// write text
static inline void
write_text( SDL_Surface *dst, TTF_Font *font, int x, int y, SDL_Color fg, SDL_Color bg, const char *fmt, ... )
{
SDL_Surface *text;
SDL_Rect dstrect;
va_list ap;
char buf[2049];
va_start( ap, fmt );
vsnprintf( buf, 2048, fmt, ap );
va_end( ap );
if( *buf == '\0' )
return;
text = render_text( font, fg, bg, buf );
if( text == NULL )
{
fprintf( stderr, "["PLUGIN_NAME"]: Couldn't render text: %s\n", SDL_GetError() );
return;
}
dstrect.x = x;
dstrect.y = y;
dstrect.w = text->w;
dstrect.h = text->h;
SDL_BlitSurface( text, NULL, dst, &dstrect );
SDL_FreeSurface( text );
}
void
DllAbout( HWND hParent )
{
SDL_RWops *rw;
TTF_Font *font;
SDL_Surface *screen;
SDL_Rect rect;
// colors
Uint32 u32black, u32gray, u32dark_gray;
SDL_Color black = { 0x00, 0x00, 0x00, 0 };
SDL_Color gray = { 0xAA, 0xAA, 0xAA, 0 };
SDL_Color dark_gray = { 0x66, 0x66, 0x66, 0 };
// init sdl
if( !SDL_WasInit( SDL_INIT_VIDEO ) )
if( SDL_InitSubSystem( SDL_INIT_VIDEO ) < 0 )
{
fprintf( stderr, "["PLUGIN_NAME"]: Couldn't init SDL video subsystem: %s\n", SDL_GetError() );
return;
}
// init sdl_ttf2
if( !TTF_WasInit() )
if( TTF_Init() < 0 )
{
fprintf( stderr, "["PLUGIN_NAME"]: Couldn't init TTF library: %s\n", SDL_GetError() );
SDL_QuitSubSystem( SDL_INIT_VIDEO );
return;
}
// open font
rw = SDL_RWFromMem( (char *)arial.data, arial.size );
font = TTF_OpenFontRW( rw, 0, FONT_SIZEPT );
if( font == NULL )
{
fprintf( stderr, "["PLUGIN_NAME"]: Couldn't load %d pt font: %s\n", FONT_SIZEPT, SDL_GetError() );
TTF_Quit();
SDL_QuitSubSystem( SDL_INIT_VIDEO );
return;
}
TTF_SetFontStyle( font, TTF_STYLE_NORMAL );
// display dialog (set video mode)
screen = SDL_SetVideoMode( ABOUT_DIALOG_WIDTH, ABOUT_DIALOG_HEIGHT, 0, SDL_SWSURFACE );
if( !screen )
{
fprintf( stderr, "["PLUGIN_NAME"]: Couldn't set video mode %dx%d: %s\n", ABOUT_DIALOG_WIDTH, ABOUT_DIALOG_HEIGHT, SDL_GetError() );
TTF_Quit();
SDL_QuitSubSystem( SDL_INIT_VIDEO );
return;
}
SDL_WM_SetCaption( PLUGIN_NAME" "PLUGIN_VERSION, NULL );
// create colors
u32black = SDL_MapRGBA( screen->format, black.r, black.g, black.b, 0 );
u32gray = SDL_MapRGBA( screen->format, gray.r, gray.g, gray.b, 0 );
u32dark_gray = SDL_MapRGBA( screen->format, dark_gray.r, dark_gray.g, dark_gray.b, 0 );
// draw dialog
SDL_FillRect( screen, NULL, u32dark_gray );
rect.x = rect.y = 5; rect.w = ABOUT_DIALOG_WIDTH - 10; rect.h = ABOUT_DIALOG_HEIGHT - 40;
SDL_FillRect( screen, &rect, u32black );
rect.x += 1; rect.y += 1; rect.w -= 2; rect.h -= 2;
SDL_FillRect( screen, &rect, u32gray );
write_text( screen, font, 15, 15, black, gray, PLUGIN_NAME" v"PLUGIN_VERSION":" );
write_text( screen, font, 15, 35, black, gray, "coded by blight" );
write_text( screen, font, 15, 55, black, gray, "This plugin uses the SDL library for input." );
write_text( screen, font, 15, 75, black, gray, "Go to www.libsdl.org for more information." );
rect.x = (ABOUT_DIALOG_WIDTH - 90) / 2; rect.y = ABOUT_DIALOG_HEIGHT - 30; rect.w = 90; rect.h = 25;
SDL_FillRect( screen, &rect, u32black );
rect.x += 1; rect.y += 1; rect.w -= 2; rect.h -= 2;
SDL_FillRect( screen, &rect, u32gray );
write_text( screen, font, rect.x + 33, rect.y + 2, black, gray, "Ok" );
for(;;)
{
SDL_Event event;
SDL_Flip( screen );
if( SDL_PollEvent( &event ) )
{
if( event.type == SDL_KEYDOWN )
{
if( event.key.keysym.sym == SDLK_ESCAPE )
break;
}
else if( event.type == SDL_MOUSEBUTTONDOWN )
{
if( event.button.button == SDL_BUTTON_LEFT )
{
if( event.button.x >= rect.x && event.button.x <= rect.x + rect.w &&
event.button.y >= rect.y && event.button.y <= rect.y + rect.h )
break;
}
}
}
}
TTF_Quit();
SDL_FreeSurface( screen );
SDL_QuitSubSystem( SDL_INIT_VIDEO );
}
#elif defined( GUI_GTK )
static int about_shown = 0;
static void
about_ok_clicked( GtkWidget *widget,
gpointer data )
{
gtk_widget_hide_all( GTK_WIDGET(data) );
gtk_widget_destroy( GTK_WIDGET(data) );
about_shown = 0;
}
void
DllAbout( HWND hParent )
{
GtkWidget *window;
GtkWidget *vbox;
GtkWidget *label;
GtkWidget *button;
if( about_shown )
return;
window = gtk_window_new( GTK_WINDOW_TOPLEVEL );
gtk_window_set_title( GTK_WINDOW(window), PLUGIN_NAME );
gtk_container_set_border_width( GTK_CONTAINER(window), 10 );
gtk_window_set_policy( GTK_WINDOW(window), FALSE, FALSE, TRUE );
vbox = gtk_vbox_new( FALSE, 10 );
label = gtk_label_new( PLUGIN_NAME" version "PLUGIN_VERSION"\n\n"
"This is a N64 input plugin using SDL.\n"
"(c) 2002 by blight" );
button = gtk_button_new_with_label( "Ok" );
gtk_container_add( GTK_CONTAINER(window), GTK_WIDGET(vbox) );
gtk_box_pack_start( GTK_BOX(vbox), GTK_WIDGET(label), TRUE, FALSE, 0 );
gtk_box_pack_start( GTK_BOX(vbox), GTK_WIDGET(button), TRUE, FALSE, 0 );
gtk_signal_connect( GTK_OBJECT(button), "clicked",
GTK_SIGNAL_FUNC(about_ok_clicked), (gpointer) window);
// show the window
about_shown = 1;
gtk_widget_show_all( GTK_WIDGET(window) );
}
#endif
/******************************************************************
Function: DllConfig
Purpose: This function is optional function that is provided
to allow the user to configure the dll
input: a handle to the window that calls this function
output: none
*******************************************************************/
void
DllConfig( HWND hParent )
{
if( !romopen )
{
read_configuration();
#ifdef GUI_SDL
configure_sdl( controller );
#elif defined( GUI_GTK )
configure_gtk( controller );
#endif
/* write_configuration() should be called in the configure_ function above */
}
}
/******************************************************************
Function: DllTest
Purpose: This function is optional function that is provided
to allow the user to test the dll
input: a handle to the window that calls this function
output: none
*******************************************************************/
void
DllTest( HWND hParent )
{
}
/******************************************************************
Function: GetDllInfo
Purpose: This function allows the emulator to gather information
about the dll by filling in the PluginInfo structure.
input: a pointer to a PLUGIN_INFO stucture that needs to be
filled by the function. (see def above)
output: none
*******************************************************************/
void
GetDllInfo( PLUGIN_INFO *PluginInfo )
{
strncpy( PluginInfo->Name, PLUGIN_NAME" "PLUGIN_VERSION, 100 );
PluginInfo->Name[99] = '\0';
PluginInfo->Version = 0x0101;
PluginInfo->Type = PLUGIN_TYPE_CONTROLLER;
}
/* Helper function to handle the SDL keys */
static void
doSdlKeys(Uint8* keystate)
{
int c, b, axis_val, axis_max_val, axis_val_tmp;
int grabmouse = -1;
axis_max_val = 80;
if (keystate[SDLK_LCTRL])
axis_max_val -= 40;
if (keystate[SDLK_LSHIFT])
axis_max_val -= 20;
for( c = 0; c < 4; c++ )
{
for( b = 0; b < 16; b++ )
{
if( controller[c].button[b].key == SDLK_UNKNOWN || ((int) controller[c].button[b].key) < 0)
continue;
if( keystate[controller[c].button[b].key] )
controller[c].buttons.Value |= button_bits[b];
}
for( b = 0; b < 2; b++ )
{
// from the N64 func ref: The 3D Stick data is of type signed char and in
// the range between 80 and -80. (32768 / 409 = ~80.1)
if( b == 0 )
axis_val = controller[c].buttons.X_AXIS;
else
axis_val = -controller[c].buttons.Y_AXIS;
if( controller[c].axis[b].key_a != SDLK_UNKNOWN && ((int) controller[c].axis[b].key_a) > 0)
if( keystate[controller[c].axis[b].key_a] )
axis_val = axis_max_val;
if( controller[c].axis[b].key_b != SDLK_UNKNOWN && ((int) controller[c].axis[b].key_b) > 0)
if( keystate[controller[c].axis[b].key_b] )
axis_val = -axis_max_val;
if( b == 0 )
controller[c].buttons.X_AXIS = axis_val;
else
controller[c].buttons.Y_AXIS = -axis_val;
}
if (controller[c].mouse)
{
if (keystate[SDLK_LCTRL] && keystate[SDLK_LALT])
{
grabmouse = 0;
}
if (grabmouse >= 0)
{
// grab/ungrab mouse
SDL_WM_GrabInput( grabmouse ? SDL_GRAB_ON : SDL_GRAB_OFF );
SDL_ShowCursor( grabmouse ? 0 : 1 );
}
}
}
}
/******************************************************************
Function: GetKeys
Purpose: To get the current state of the controllers buttons.
input: - Controller Number (0 to 3)
- A pointer to a BUTTONS structure to be filled with
the controller state.
output: none
*******************************************************************/
void
GetKeys( int Control, BUTTONS *Keys )
{
int b, axis_val, axis_max_val, axis_val_tmp;
SDL_Event event;
// Handle keyboard input first
doSdlKeys( SDL_GetKeyState( NULL ) );
doSdlKeys( myKeyState );
// read joystick state
SDL_JoystickUpdate();
if( controller[Control].device >= 0 )
{
for( b = 0; b < 16; b++ )
{
if( controller[Control].button[b].button >= 0 )
if( SDL_JoystickGetButton( controller[Control].joystick, controller[Control].button[b].button ) )
controller[Control].buttons.Value |= button_bits[b];
if( controller[Control].button[b].axis >= 0 )
{
axis_val = SDL_JoystickGetAxis( controller[Control].joystick, controller[Control].button[b].axis );
if( (controller[Control].button[b].axis_dir < 0) && (axis_val <= -6000) )
controller[Control].buttons.Value |= button_bits[b];
else if( (controller[Control].button[b].axis_dir > 0) && (axis_val >= 6000) )
controller[Control].buttons.Value |= button_bits[b];
}
if( controller[Control].button[b].hat >= 0 )
{
if( controller[Control].button[b].hat_pos > 0 )
if( SDL_JoystickGetHat( controller[Control].joystick, controller[Control].button[b].hat ) & controller[Control].button[b].hat_pos )
controller[Control].buttons.Value |= button_bits[b];
}
}
for( b = 0; b < 2; b++ )
{
// from the N64 func ref: The 3D Stick data is of type signed char and in
// the range between 80 and -80. (32768 / 409 = ~80.1)
axis_val = 0;
axis_val_tmp = 0;
if( controller[Control].axis[b].axis_a >= 0 )
{
axis_val_tmp = SDL_JoystickGetAxis( controller[Control].joystick, controller[Control].axis[b].axis_a );
// if you push a positive axis... and your directions are flipped...
if( (controller[Control].axis[b].axis_dir_a < 0) && (axis_val_tmp <= -6000) )
{
if (b == 0)
{
axis_val = SDL_JoystickGetAxis( controller[Control].joystick, controller[Control].axis[b].axis_a ) / -409;
}
else
{
axis_val = SDL_JoystickGetAxis( controller[Control].joystick, controller[Control].axis[b].axis_a ) / 409;
}
}
else if( (controller[Control].axis[b].axis_dir_a > 0) && (axis_val_tmp >= 6000) )
{
if (b == 1)
{
axis_val = SDL_JoystickGetAxis( controller[Control].joystick, controller[Control].axis[b].axis_a ) / -409;
}
else
{
axis_val = SDL_JoystickGetAxis( controller[Control].joystick, controller[Control].axis[b].axis_a ) / 409;
}
}
}
// up and left
if( controller[Control].axis[b].axis_b >= 0 )
{
axis_val_tmp = SDL_JoystickGetAxis( controller[Control].joystick, controller[Control].axis[b].axis_b );
// if you push a positive axis... and your directions are flipped...
if( (controller[Control].axis[b].axis_dir_b < 0) && (axis_val_tmp <= -6000) )
{
if (b == 1)
{
axis_val = SDL_JoystickGetAxis( controller[Control].joystick, controller[Control].axis[b].axis_b ) / -409;
}
else
{
axis_val = SDL_JoystickGetAxis( controller[Control].joystick, controller[Control].axis[b].axis_b ) / 409;
}
}
else if( (controller[Control].axis[b].axis_dir_b > 0) && (axis_val_tmp >= 6000) )
{
if (b == 0)
{
axis_val = SDL_JoystickGetAxis( controller[Control].joystick, controller[Control].axis[b].axis_b ) / -409;
}
else
{
axis_val = SDL_JoystickGetAxis( controller[Control].joystick, controller[Control].axis[b].axis_b ) / 409;
}
}
}
if( controller[Control].axis[b].hat >= 0 )
{
if( controller[Control].axis[b].hat_pos_a >= 0 )
if( SDL_JoystickGetHat( controller[Control].joystick, controller[Control].axis[b].hat ) & controller[Control].axis[b].hat_pos_a )
axis_val = 80;
if( controller[Control].axis[b].hat_pos_b >= 0 )
if( SDL_JoystickGetHat( controller[Control].joystick, controller[Control].axis[b].hat ) & controller[Control].axis[b].hat_pos_b )
axis_val = -80;
}
if( controller[Control].axis[b].button_a >= 0 )
if( SDL_JoystickGetButton( controller[Control].joystick, controller[Control].axis[b].button_a ) )
axis_val = 80;
if( controller[Control].axis[b].button_b >= 0 )
if( SDL_JoystickGetButton( controller[Control].joystick, controller[Control].axis[b].button_b ) )
axis_val = -80;
if( b == 0 )
controller[Control].buttons.X_AXIS = axis_val;
else
controller[Control].buttons.Y_AXIS = axis_val;
}
}
// process mouse events
{
Uint8 mstate = SDL_GetMouseState( NULL, NULL );
for( b = 0; b < 16; b++ )
{
if( controller[Control].button[b].mouse < 1 )
continue;
if( mstate & SDL_BUTTON(controller[Control].button[b].mouse) )
controller[Control].buttons.Value |= button_bits[b];
}
}
if (controller[Control].mouse)
{
int grabmouse = -1;
while (SDL_PollEvent(&event))
{
if (event.type == SDL_MOUSEMOTION && SDL_WM_GrabInput( SDL_GRAB_QUERY ) == SDL_GRAB_ON)
{
if (event.motion.xrel)
{
axis_val = (event.motion.xrel * 10);
if (axis_val < -80)
axis_val = -80;
else if (axis_val > 80)
axis_val = 80;
controller[Control].buttons.Y_AXIS = axis_val;
}
if (event.motion.yrel)
{
axis_val = (event.motion.yrel * 10);
if (axis_val < -80)
axis_val = -80;
else if (axis_val > 80)
axis_val = 80;
controller[Control].buttons.X_AXIS = -axis_val;
}
}
else if (event.type == SDL_MOUSEBUTTONUP)
{
if (event.button.button == SDL_BUTTON_LEFT)
{
grabmouse = 1;
}
}
}
}
#ifdef _DEBUG
printf( "Controller #%d value: 0x%8.8X\n", Control, *(int *)&controller[Control].buttons );
#endif
*Keys = controller[Control].buttons;
/* handle mempack / rumblepak switching (only if rumble is active on joystick) */
#ifdef __linux__
if (controller[Control].event_joystick != 0)
{
struct input_event play;
if (controller[Control].buttons.Value & button_bits[14])
{
controller[Control].control.Plugin = PLUGIN_MEMPAK;
play.type = EV_FF;
play.code = ffweak[Control].id;
play.value = 1;
if (write(controller[Control].event_joystick, (const void*) &play, sizeof(play)) == -1)
perror("Error starting rumble effect");
}
if (controller[Control].buttons.Value & button_bits[15])
{
controller[Control].control.Plugin = PLUGIN_RAW;
play.type = EV_FF;
play.code = ffstrong[Control].id;
play.value = 1;
if (write(controller[Control].event_joystick, (const void*) &play, sizeof(play)) == -1)
perror("Error starting rumble effect");
}
}
#endif /* __linux__ */
controller[Control].buttons.Value = 0;
//controller[Control].buttons.stick_x = 0;
//controller[Control].buttons.stick_y = 0;
}
static void InitiateRumble(int cntrl)
{
#ifdef __linux__
DIR* dp;
struct dirent* ep;
unsigned long features[4];
char temp[128];
char temp2[128];
int iFound = 0;
controller[cntrl].event_joystick = 0;
sprintf(temp,"/sys/class/input/js%d/device", controller[cntrl].device);
dp = opendir(temp);
if(dp==NULL)
return;
while ((ep=readdir(dp)))
{
if (strncmp(ep->d_name, "event",5)==0)
{
sprintf(temp, "/dev/input/%s", ep->d_name);
iFound = 1;
break;
}
else if(strncmp(ep->d_name,"input:event", 11)==0)
{
sscanf(ep->d_name, "input:%s", temp2);
sprintf(temp, "/dev/input/%s", temp2);
iFound = 1;
break;
}
else if(strncmp(ep->d_name,"input:input", 11)==0)
{
strcat(temp, "/");
strcat(temp, ep->d_name);
closedir (dp);
dp = opendir(temp);
if(dp==NULL)
return;
}
}
closedir(dp);
if(!iFound)
{
printf("["PLUGIN_NAME"]: Couldn't find input event for rumble support.\n");
return;
}
controller[cntrl].event_joystick = open(temp, O_RDWR);
if(controller[cntrl].event_joystick==-1)
{
printf("["PLUGIN_NAME"]: Couldn't open device file '%s' for rumble support.\n", temp);
controller[cntrl].event_joystick = 0;
return;
}
if(ioctl(controller[cntrl].event_joystick, EVIOCGBIT(EV_FF, sizeof(unsigned long) * 4), features)==-1)
{
printf("["PLUGIN_NAME"]: Linux kernel communication failed for force feedback (rumble).\n");
controller[cntrl].event_joystick = 0;
return;
}
if(!test_bit(FF_RUMBLE, features))
{
printf("["PLUGIN_NAME"]: No rumble supported on N64 joystick #%i\n", cntrl + 1);
controller[cntrl].event_joystick = 0;
return;
}
ffeffect[cntrl].type = FF_RUMBLE;
ffeffect[cntrl].id = -1;
ffeffect[cntrl].u.rumble.strong_magnitude = 0xFFFF;
ffeffect[cntrl].u.rumble.weak_magnitude = 0xFFFF;
ioctl(controller[cntrl].event_joystick, EVIOCSFF, &ffeffect[cntrl]);
ffstrong[cntrl].type = FF_RUMBLE;
ffstrong[cntrl].id = -1;
ffstrong[cntrl].u.rumble.strong_magnitude = 0xFFFF;
ffstrong[cntrl].u.rumble.weak_magnitude = 0x0000;
ffstrong[cntrl].replay.length = 500;
ffstrong[cntrl].replay.delay = 0;
ioctl(controller[cntrl].event_joystick, EVIOCSFF, &ffstrong[cntrl]);
ffweak[cntrl].type = FF_RUMBLE;
ffweak[cntrl].id = -1;
ffweak[cntrl].u.rumble.strong_magnitude = 0x0000;
ffweak[cntrl].u.rumble.weak_magnitude = 0xFFFF;
ffweak[cntrl].replay.length = 500;
ffweak[cntrl].replay.delay = 0;
ioctl(controller[cntrl].event_joystick, EVIOCSFF, &ffweak[cntrl]);
printf("["PLUGIN_NAME"]: Rumble activated on N64 joystick #%i\n", cntrl + 1);
#endif /* __linux__ */
}
/******************************************************************
Function: InitiateControllers
Purpose: This function initialises how each of the controllers
should be handled.
input: - The handle to the main window.
- A controller structure that needs to be filled for
the emulator to know how to handle each controller.
output: none
*******************************************************************/
void InitiateControllers( CONTROL_INFO ControlInfo )
{
int i;
// reset controllers
memset( controller, 0, sizeof( SController ) * 4 );
for ( i = 0; i < SDLK_LAST; i++)
{
myKeyState[i] = 0;
}
// read configuration
read_configuration();
for( i = 0; i < 4; i++ )
{
// test for rumble support for this joystick
InitiateRumble(i);
// if rumble not supported, switch to mempack
// Comment out if statement to test rumble on systems without necessary hardware.
if (controller[i].control.Plugin == PLUGIN_RAW && controller[i].event_joystick == 0)
controller[i].control.Plugin = PLUGIN_MEMPAK;
// copy control data struct to the core
memcpy( ControlInfo.Controls + i, &controller[i].control, sizeof( CONTROL ) );
}
printf( "["PLUGIN_NAME"]: version "PLUGIN_VERSION" initialized.\n" );
}
/******************************************************************
Function: ReadController
Purpose: To process the raw data in the pif ram that is about to
be read.
input: - Controller Number (0 to 3) and -1 signalling end of
processing the pif ram.
- Pointer of data to be processed.
output: none
note: This function is only needed if the DLL is allowing raw
data.
*******************************************************************/
void
ReadController( int Control, BYTE *Command )
{
#if 0//def _DEBUG
printf( "\nRaw Read (cont=%d):\n", Control );
printf( "\t%02X %02X %02X %02X %02X %02X\n", Command[0], Command[1],
Command[2], Command[3], Command[4], Command[5]);//, Command[6], Command[7] );
#endif
}
/******************************************************************
Function: RomClosed
Purpose: This function is called when a rom is closed.
input: none
output: none
*******************************************************************/
void
RomClosed( void )
{
int i;
// close joysticks
for( i = 0; i < 4; i++ )
if( controller[i].joystick )
{
SDL_JoystickClose( controller[i].joystick );
controller[i].joystick = NULL;
}
// quit SDL joystick subsystem
SDL_QuitSubSystem( SDL_INIT_JOYSTICK );
// release/ungrab mouse
SDL_WM_GrabInput( SDL_GRAB_OFF );
SDL_ShowCursor( 1 );
romopen = 0;
}
/******************************************************************
Function: RomOpen
Purpose: This function is called when a rom is open. (from the
emulation thread)
input: none
output: none
*******************************************************************/
void
RomOpen( void )
{
int i;
// init SDL joystick subsystem
if( !SDL_WasInit( SDL_INIT_JOYSTICK ) )
if( SDL_InitSubSystem( SDL_INIT_JOYSTICK ) == -1 )
{
fprintf( stderr, "["PLUGIN_NAME"]: Couldn't init SDL joystick subsystem: %s\n", SDL_GetError() );
return;
}
// open joysticks
for( i = 0; i < 4; i++ )
if( controller[i].device >= 0 )
{
controller[i].joystick = SDL_JoystickOpen( controller[i].device );
if( controller[i].joystick == NULL )
fprintf( stderr, "["PLUGIN_NAME"]: Couldn't open joystick for controller #%d: %s\n", i, SDL_GetError() );
}
else
controller[i].joystick = NULL;
// grab mouse
if (controller[0].mouse || controller[1].mouse || controller[2].mouse || controller[3].mouse)
{
SDL_ShowCursor( 0 );
if (SDL_WM_GrabInput( SDL_GRAB_ON ) != SDL_GRAB_ON)
{
fprintf( stderr, "["PLUGIN_NAME"]: Couldn't grab input! Mouse support won't work!\n" );
fprintf( stderr, "["PLUGIN_NAME"]: Note: You have to set your graphics window fullscreen in order for this to work!\n" );
}
}
romopen = 1;
}
static SDLKey
translateKey( WPARAM wParam )
{
SDLKey key = 0;
// for a-z and 0-9 keys windows provides no defines
if (wParam >= 0x41 && wParam <= 0x5a) {
key = wParam - 0x41 + SDLK_a;
} else if (wParam >= 0x30 && wParam <= 0x39) {
key = wParam - 0x30 + SDLK_0;
} else if (wParam == VK_RETURN) {
key = SDLK_RETURN;
} else if (wParam == VK_SPACE) {
key = SDLK_SPACE;
} else if (wParam == VK_LEFT) {
key = SDLK_LEFT;
} else if (wParam == VK_RIGHT) {
key = SDLK_RIGHT;
} else if (wParam == VK_UP) {
key = SDLK_UP;
} else if (wParam == VK_DOWN) {
key = SDLK_DOWN;
}
return key;
}
/******************************************************************
Function: WM_KeyDown
Purpose: To pass the WM_KeyDown message from the emulator to the
plugin.
input: wParam and lParam of the WM_KEYDOWN message.
output: none
*******************************************************************/
void
WM_KeyDown( WPARAM wParam, LPARAM lParam )
{
myKeyState[translateKey(wParam)] = 1;
}
/******************************************************************
Function: WM_KeyUp
Purpose: To pass the WM_KEYUP message from the emulator to the
plugin.
input: wParam and lParam of the WM_KEYDOWN message.
output: none
*******************************************************************/
void
WM_KeyUp( WPARAM wParam, LPARAM lParam )
{
myKeyState[translateKey(wParam)] = 0;
}
/******************************************************************
NOTE: THIS HAS BEEN ADDED FOR MUPEN64PLUS AND IS NOT PART OF THE
ORIGINAL SPEC
Function: SetConfigDir
Purpose: To pass the location where config files should be read/
written to.
input: path to config directory
output: none
*******************************************************************/
void
SetConfigDir( char *configDir )
{
strncpy(configdir, configDir, PATH_MAX);
}
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