redquark-amiberry-rb/src/od-pandora/joystick.cpp

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2015-05-13 18:47:23 +00:00
/*
* UAE - The Un*x Amiga Emulator
*
* Joystick emulation for Linux and BSD. They share too much code to
* split this file.
*
* Copyright 1997 Bernd Schmidt
* Copyright 1998 Krister Walfridsson
*/
#include "sysconfig.h"
#include "sysdeps.h"
#include "config.h"
#include "uae.h"
#include "options.h"
#include "memory.h"
#include "custom.h"
#include "joystick.h"
#include "SDL.h"
#ifdef GP2X
#include "gp2x.h"
#include "xwin.h"
#if defined(PANDORA) || defined (ANDROIDSDL)
extern int dpadUp;
extern int dpadDown;
extern int dpadLeft;
extern int dpadRight;
extern int buttonA;
extern int buttonB;
extern int buttonX;
extern int buttonY;
extern int triggerL;
extern int triggerR;
#endif
static int delay=0;
#endif
static int nr_joysticks;
static SDL_Joystick *uae4all_joy0, *uae4all_joy1;
void read_joystick(int nr, unsigned int *dir, int *button)
{
int left = 0, right = 0, top = 0, bot = 0, upRight=0, downRight=0, upLeft=0, downLeft=0, x=0, y=0, a=0, b=0;
SDL_Joystick *joy = nr == 0 ? uae4all_joy0 : uae4all_joy1;
*dir = 0;
*button = 0;
nr = (~nr)&0x1;
SDL_JoystickUpdate ();
if (!triggerR /*R+dpad = arrow keys*/ && currprefs.pandora_custom_dpad==0)
{
// get joystick direction via dPad or joystick
if (dpadRight || SDL_JoystickGetAxis(joy, 0) > 0) right=1;
if (dpadLeft || SDL_JoystickGetAxis(joy, 0) < 0) left=1;
if (dpadUp || SDL_JoystickGetAxis(joy, 1) < 0) top=1;
if (dpadDown || SDL_JoystickGetAxis(joy, 1) > 0) bot=1;
if (currprefs.pandora_joyConf)
{
if ((buttonX && currprefs.pandora_jump > -1) || SDL_JoystickGetButton(joy, currprefs.pandora_jump))
top = 1;
}
}
if(currprefs.pandora_customControls)
{
// get joystick direction via custom keys
if((currprefs.pandora_custom_A==-5 && buttonA) || (currprefs.pandora_custom_B==-5 && buttonB) || (currprefs.pandora_custom_X==-5 && buttonX) || (currprefs.pandora_custom_Y==-5 && buttonY) || (currprefs.pandora_custom_L==-5 && triggerL) || (currprefs.pandora_custom_R==-5 && triggerR))
top = 1;
else if(currprefs.pandora_custom_dpad == 2)
{
if((currprefs.pandora_custom_up==-5 && dpadUp) || (currprefs.pandora_custom_down==-5 && dpadDown) || (currprefs.pandora_custom_left==-5 && dpadLeft) || (currprefs.pandora_custom_right==-5 && dpadRight))
top = 1;
}
if((currprefs.pandora_custom_A==-6 && buttonA) || (currprefs.pandora_custom_B==-6 && buttonB) || (currprefs.pandora_custom_X==-6 && buttonX) || (currprefs.pandora_custom_Y==-6 && buttonY) || (currprefs.pandora_custom_L==-6 && triggerL) || (currprefs.pandora_custom_R==-6 && triggerR))
bot = 1;
else if(currprefs.pandora_custom_dpad == 2)
{
if((currprefs.pandora_custom_up==-6 && dpadUp) || (currprefs.pandora_custom_down==-6 && dpadDown) || (currprefs.pandora_custom_left==-6 && dpadLeft) || (currprefs.pandora_custom_right==-6 && dpadRight))
bot = 1;
}
if((currprefs.pandora_custom_A==-7 && buttonA) || (currprefs.pandora_custom_B==-7 && buttonB) || (currprefs.pandora_custom_X==-7 && buttonX) || (currprefs.pandora_custom_Y==-7 && buttonY) || (currprefs.pandora_custom_L==-7 && triggerL) || (currprefs.pandora_custom_R==-7 && triggerR))
left = 1;
else if(currprefs.pandora_custom_dpad == 2)
{
if((currprefs.pandora_custom_up==-7 && dpadUp) || (currprefs.pandora_custom_down==-7 && dpadDown) || (currprefs.pandora_custom_left==-7 && dpadLeft) || (currprefs.pandora_custom_right==-7 && dpadRight))
left = 1;
}
if((currprefs.pandora_custom_A==-8 && buttonA) || (currprefs.pandora_custom_B==-8 && buttonB) || (currprefs.pandora_custom_X==-8 && buttonX) || (currprefs.pandora_custom_Y==-8 && buttonY) || (currprefs.pandora_custom_L==-8 && triggerL) || (currprefs.pandora_custom_R==-8 && triggerR))
right = 1;
else if(currprefs.pandora_custom_dpad == 2)
{
if((currprefs.pandora_custom_up==-8 && dpadUp) || (currprefs.pandora_custom_down==-8 && dpadDown) || (currprefs.pandora_custom_left==-8 && dpadLeft) || (currprefs.pandora_custom_right==-8 && dpadRight))
right = 1;
}
}
if(currprefs.pandora_custom_dpad == 0) // dPad as joystick
{
// Handle autofire (only available if no custom controls active)
if(!currprefs.pandora_customControls &&
(((currprefs.pandora_autofireButton1==GP2X_BUTTON_B && buttonA)
|| (currprefs.pandora_autofireButton1==GP2X_BUTTON_X && buttonX)
|| (currprefs.pandora_autofireButton1==GP2X_BUTTON_Y && buttonY))
&& delay > currprefs.input_autofire_framecnt))
{
if(!buttonB)
*button=1;
delay=0;
*button |= (buttonB & 1) << 1;
}
}
if(currprefs.pandora_customControls)
{
// get joystick button via custom controls
if((currprefs.pandora_custom_A==-3 && buttonA) || (currprefs.pandora_custom_B==-3 && buttonB) || (currprefs.pandora_custom_X==-3 && buttonX) || (currprefs.pandora_custom_Y==-3 && buttonY) || (currprefs.pandora_custom_L==-3 && triggerL) || (currprefs.pandora_custom_R==-3 && triggerR))
*button = 1;
else if(currprefs.pandora_custom_dpad == 2)
{
if((currprefs.pandora_custom_up==-3 && dpadUp) || (currprefs.pandora_custom_down==-3 && dpadDown) || (currprefs.pandora_custom_left==-3 && dpadLeft) || (currprefs.pandora_custom_right==-3 && dpadRight))
*button = 1;
}
if((currprefs.pandora_custom_A==-4 && buttonA) || (currprefs.pandora_custom_B==-4 && buttonB) || (currprefs.pandora_custom_X==-4 && buttonX) || (currprefs.pandora_custom_Y==-4 && buttonY) || (currprefs.pandora_custom_L==-4 && triggerL) || (currprefs.pandora_custom_R==-4 && triggerR))
*button |= 1 << 1;
else if(currprefs.pandora_custom_dpad == 2)
{
if((currprefs.pandora_custom_up==-4 && dpadUp) || (currprefs.pandora_custom_down==-4 && dpadDown) || (currprefs.pandora_custom_left==-4 && dpadLeft) || (currprefs.pandora_custom_right==-4 && dpadRight))
*button |= 1 << 1;
}
delay++;
}
else
{
// get joystick button via ABXY or joystick
*button = ((currprefs.pandora_button1==GP2X_BUTTON_B && buttonA) || (currprefs.pandora_button1==GP2X_BUTTON_X && buttonX) || (currprefs.pandora_button1==GP2X_BUTTON_Y && buttonY) || SDL_JoystickGetButton(joy, currprefs.pandora_button1)) & 1;
delay++;
*button |= ((buttonB || SDL_JoystickGetButton(joy, currprefs.pandora_button2)) & 1) << 1;
}
// normal joystick movement
if (left)
top = !top;
if (right)
bot = !bot;
*dir = bot | (right << 1) | (top << 8) | (left << 9);
if(currprefs.pandora_joyPort != 0)
{
// Only one joystick active
if((nr == 0 && currprefs.pandora_joyPort == 2) || (nr == 1 && currprefs.pandora_joyPort == 1))
{
*dir = 0;
*button = 0;
}
}
}
void handle_joymouse(void)
{
if (currprefs.pandora_custom_dpad == 1)
{
int mouseScale = currprefs.input_joymouse_multiplier / 2;
if (buttonY) // slow mouse active
mouseScale = currprefs.input_joymouse_multiplier / 10;
if (dpadLeft)
{
lastmx -= mouseScale;
newmousecounters=1;
}
if (dpadRight)
{
lastmx += mouseScale;
newmousecounters=1;
}
if (dpadUp)
{
lastmy -= mouseScale;
newmousecounters=1;
}
if (dpadDown)
{
lastmy += mouseScale;
newmousecounters=1;
}
}
}
void init_joystick(void)
{
int i;
nr_joysticks = SDL_NumJoysticks ();
if (nr_joysticks > 0)
uae4all_joy0 = SDL_JoystickOpen (0);
if (nr_joysticks > 1)
uae4all_joy1 = SDL_JoystickOpen (1);
else
uae4all_joy1 = NULL;
}
void close_joystick(void)
{
if (nr_joysticks > 0)
SDL_JoystickClose (uae4all_joy0);
if (nr_joysticks > 1)
SDL_JoystickClose (uae4all_joy1);
}