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fceugx/source/ngc/pad.cpp

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/****************************************************************************
* FCE Ultra 0.98.12
* Nintendo Wii/Gamecube Port
*
* Tantric 2008-2009
*
* pad.cpp
*
* Controller input
****************************************************************************/
#include <gccore.h>
#include <math.h>
#include "fceugx.h"
#include "pad.h"
#include "gcaudio.h"
#include "menu.h"
#include "gcvideo.h"
#include "filebrowser.h"
#include "button_mapping.h"
#include "gui/gui.h"
#include "fceuload.h"
extern "C" {
#include "driver.h"
#include "fceu.h"
#include "input.h"
extern INPUTC *FCEU_InitZapper(int w);
}
int rumbleRequest[4] = {0,0,0,0};
GuiTrigger userInput[4];
#ifdef HW_RVL
static int rumbleCount[4] = {0,0,0,0};
#endif
static uint32 JSReturn = 0;
void *InputDPR;
static INPUTC *zapperdata[2];
static unsigned int myzappers[2][3];
u32 nespadmap[11]; // Original NES controller buttons
u32 zapperpadmap[11]; // Original NES Zapper controller buttons
u32 btnmap[2][4][12]; // button mapping
void ResetControls()
{
int i = 0;
// Original NES controller buttons
// All other pads are mapped to this
i=0;
nespadmap[i++] = JOY_B;
nespadmap[i++] = JOY_A;
nespadmap[i++] = RAPID_B;
nespadmap[i++] = RAPID_A; // rapid press A/B buttons
nespadmap[i++] = JOY_SELECT;
nespadmap[i++] = JOY_START;
nespadmap[i++] = JOY_UP;
nespadmap[i++] = JOY_DOWN;
nespadmap[i++] = JOY_LEFT;
nespadmap[i++] = JOY_RIGHT;
nespadmap[i++] = 0; // insert coin for VS games, insert/eject/select disk for FDS
/*** Gamecube controller Padmap ***/
i=0;
btnmap[CTRL_PAD][CTRLR_GCPAD][i++] = PAD_BUTTON_B;
btnmap[CTRL_PAD][CTRLR_GCPAD][i++] = PAD_BUTTON_A;
btnmap[CTRL_PAD][CTRLR_GCPAD][i++] = PAD_BUTTON_Y;
btnmap[CTRL_PAD][CTRLR_GCPAD][i++] = PAD_BUTTON_X;
btnmap[CTRL_PAD][CTRLR_GCPAD][i++] = PAD_TRIGGER_Z;
btnmap[CTRL_PAD][CTRLR_GCPAD][i++] = PAD_BUTTON_START;
btnmap[CTRL_PAD][CTRLR_GCPAD][i++] = PAD_BUTTON_UP;
btnmap[CTRL_PAD][CTRLR_GCPAD][i++] = PAD_BUTTON_DOWN;
btnmap[CTRL_PAD][CTRLR_GCPAD][i++] = PAD_BUTTON_LEFT;
btnmap[CTRL_PAD][CTRLR_GCPAD][i++] = PAD_BUTTON_RIGHT;
btnmap[CTRL_PAD][CTRLR_GCPAD][i++] = PAD_TRIGGER_L;
/*** Wiimote Padmap ***/
i=0;
btnmap[CTRL_PAD][CTRLR_WIIMOTE][i++] = WPAD_BUTTON_1;
btnmap[CTRL_PAD][CTRLR_WIIMOTE][i++] = WPAD_BUTTON_2;
btnmap[CTRL_PAD][CTRLR_WIIMOTE][i++] = 0;
btnmap[CTRL_PAD][CTRLR_WIIMOTE][i++] = 0;
btnmap[CTRL_PAD][CTRLR_WIIMOTE][i++] = WPAD_BUTTON_MINUS;
btnmap[CTRL_PAD][CTRLR_WIIMOTE][i++] = WPAD_BUTTON_PLUS;
btnmap[CTRL_PAD][CTRLR_WIIMOTE][i++] = WPAD_BUTTON_RIGHT;
btnmap[CTRL_PAD][CTRLR_WIIMOTE][i++] = WPAD_BUTTON_LEFT;
btnmap[CTRL_PAD][CTRLR_WIIMOTE][i++] = WPAD_BUTTON_UP;
btnmap[CTRL_PAD][CTRLR_WIIMOTE][i++] = WPAD_BUTTON_DOWN;
btnmap[CTRL_PAD][CTRLR_WIIMOTE][i++] = WPAD_BUTTON_A;
/*** Classic Controller Padmap ***/
i=0;
btnmap[CTRL_PAD][CTRLR_CLASSIC][i++] = WPAD_CLASSIC_BUTTON_Y;
btnmap[CTRL_PAD][CTRLR_CLASSIC][i++] = WPAD_CLASSIC_BUTTON_B;
btnmap[CTRL_PAD][CTRLR_CLASSIC][i++] = WPAD_CLASSIC_BUTTON_X;
btnmap[CTRL_PAD][CTRLR_CLASSIC][i++] = WPAD_CLASSIC_BUTTON_A;
btnmap[CTRL_PAD][CTRLR_CLASSIC][i++] = WPAD_CLASSIC_BUTTON_MINUS;
btnmap[CTRL_PAD][CTRLR_CLASSIC][i++] = WPAD_CLASSIC_BUTTON_PLUS;
btnmap[CTRL_PAD][CTRLR_CLASSIC][i++] = WPAD_CLASSIC_BUTTON_UP;
btnmap[CTRL_PAD][CTRLR_CLASSIC][i++] = WPAD_CLASSIC_BUTTON_DOWN;
btnmap[CTRL_PAD][CTRLR_CLASSIC][i++] = WPAD_CLASSIC_BUTTON_LEFT;
btnmap[CTRL_PAD][CTRLR_CLASSIC][i++] = WPAD_CLASSIC_BUTTON_RIGHT;
btnmap[CTRL_PAD][CTRLR_CLASSIC][i++] = WPAD_CLASSIC_BUTTON_FULL_L;
/*** Nunchuk + wiimote Padmap ***/
i=0;
btnmap[CTRL_PAD][CTRLR_NUNCHUK][i++] = WPAD_NUNCHUK_BUTTON_C;
btnmap[CTRL_PAD][CTRLR_NUNCHUK][i++] = WPAD_NUNCHUK_BUTTON_Z;
btnmap[CTRL_PAD][CTRLR_NUNCHUK][i++] = 0;
btnmap[CTRL_PAD][CTRLR_NUNCHUK][i++] = 0;
btnmap[CTRL_PAD][CTRLR_NUNCHUK][i++] = WPAD_BUTTON_MINUS;
btnmap[CTRL_PAD][CTRLR_NUNCHUK][i++] = WPAD_BUTTON_PLUS;
btnmap[CTRL_PAD][CTRLR_NUNCHUK][i++] = WPAD_BUTTON_UP;
btnmap[CTRL_PAD][CTRLR_NUNCHUK][i++] = WPAD_BUTTON_DOWN;
btnmap[CTRL_PAD][CTRLR_NUNCHUK][i++] = WPAD_BUTTON_LEFT;
btnmap[CTRL_PAD][CTRLR_NUNCHUK][i++] = WPAD_BUTTON_RIGHT;
btnmap[CTRL_PAD][CTRLR_NUNCHUK][i++] = WPAD_BUTTON_A;
/*** Zapper : GC controller button mapping ***/
i=0;
btnmap[CTRL_ZAPPER][CTRLR_GCPAD][i++] = PAD_BUTTON_A; // shoot
btnmap[CTRL_ZAPPER][CTRLR_GCPAD][i++] = PAD_BUTTON_B; // insert coin
/*** Zapper : wiimote button mapping ***/
i=0;
btnmap[CTRL_ZAPPER][CTRLR_WIIMOTE][i++] = WPAD_BUTTON_B; // shoot
btnmap[CTRL_ZAPPER][CTRLR_WIIMOTE][i++] = WPAD_BUTTON_A; // insert coin
}
/****************************************************************************
* SetControllers
***************************************************************************/
void SetControllers()
{
if(!romLoaded)
return;
InputDPR = &JSReturn;
if(GCSettings.Controller == CTRL_PAD4)
FCEUI_DisableFourScore(false);
else
FCEUI_DisableFourScore(true);
// set defaults
zapperdata[0]=NULL;
zapperdata[1]=NULL;
myzappers[0][0]=myzappers[1][0]=128;
myzappers[0][1]=myzappers[1][1]=120;
myzappers[0][2]=myzappers[1][2]=0;
// Default ports back to gamepad
FCEUI_SetInput(0, SI_GAMEPAD, InputDPR, 0);
FCEUI_SetInput(1, SI_GAMEPAD, InputDPR, 0);
if(GCSettings.Controller == CTRL_ZAPPER)
{
int p;
if(nesGameType == 2) p = 0;
else p = 1;
zapperdata[p] = FCEU_InitZapper(p);
FCEUI_SetInput(p, SI_ZAPPER, myzappers[p], 1);
}
}
#ifdef HW_RVL
/****************************************************************************
* ShutoffRumble
***************************************************************************/
void ShutoffRumble()
{
for(int i=0;i<4;i++)
{
WPAD_Rumble(i, 0);
rumbleCount[i] = 0;
}
}
/****************************************************************************
* DoRumble
***************************************************************************/
void DoRumble(int i)
{
if(!GCSettings.Rumble) return;
if(rumbleRequest[i] && rumbleCount[i] < 3)
{
WPAD_Rumble(i, 1); // rumble on
rumbleCount[i]++;
}
else if(rumbleRequest[i])
{
rumbleCount[i] = 12;
rumbleRequest[i] = 0;
}
else
{
if(rumbleCount[i])
rumbleCount[i]--;
WPAD_Rumble(i, 0); // rumble off
}
}
s8 WPAD_StickX(u8 chan,u8 right)
{
float mag = 0.0;
float ang = 0.0;
WPADData *data = WPAD_Data(chan);
switch (data->exp.type)
{
case WPAD_EXP_NUNCHUK:
case WPAD_EXP_GUITARHERO3:
if (right == 0)
{
mag = data->exp.nunchuk.js.mag;
ang = data->exp.nunchuk.js.ang;
}
break;
case WPAD_EXP_CLASSIC:
if (right == 0)
{
mag = data->exp.classic.ljs.mag;
ang = data->exp.classic.ljs.ang;
}
else
{
mag = data->exp.classic.rjs.mag;
ang = data->exp.classic.rjs.ang;
}
break;
default:
break;
}
/* calculate X value (angle need to be converted into radian) */
if (mag > 1.0) mag = 1.0;
else if (mag < -1.0) mag = -1.0;
double val = mag * sin((PI * ang)/180.0f);
return (s8)(val * 128.0f);
}
s8 WPAD_StickY(u8 chan, u8 right)
{
float mag = 0.0;
float ang = 0.0;
WPADData *data = WPAD_Data(chan);
switch (data->exp.type)
{
case WPAD_EXP_NUNCHUK:
case WPAD_EXP_GUITARHERO3:
if (right == 0)
{
mag = data->exp.nunchuk.js.mag;
ang = data->exp.nunchuk.js.ang;
}
break;
case WPAD_EXP_CLASSIC:
if (right == 0)
{
mag = data->exp.classic.ljs.mag;
ang = data->exp.classic.ljs.ang;
}
else
{
mag = data->exp.classic.rjs.mag;
ang = data->exp.classic.rjs.ang;
}
break;
default:
break;
}
/* calculate X value (angle need to be converted into radian) */
if (mag > 1.0) mag = 1.0;
else if (mag < -1.0) mag = -1.0;
double val = mag * cos((PI * ang)/180.0f);
return (s8)(val * 128.0f);
}
#endif
// hold zapper cursor positions
static int pos_x = 0;
static int pos_y = 0;
static void UpdateCursorPosition (int pad)
{
#define ZAPPERPADCAL 20
// gc left joystick
signed char pad_x = PAD_StickX (pad);
signed char pad_y = PAD_StickY (pad);
if (pad_x > ZAPPERPADCAL){
pos_x += (pad_x*1.0)/ZAPPERPADCAL;
if (pos_x > 256) pos_x = 256;
}
if (pad_x < -ZAPPERPADCAL){
pos_x -= (pad_x*-1.0)/ZAPPERPADCAL;
if (pos_x < 0) pos_x = 0;
}
if (pad_y < -ZAPPERPADCAL){
pos_y += (pad_y*-1.0)/ZAPPERPADCAL;
if (pos_y > 224) pos_y = 224;
}
if (pad_y > ZAPPERPADCAL){
pos_y -= (pad_y*1.0)/ZAPPERPADCAL;
if (pos_y < 0) pos_y = 0;
}
#ifdef HW_RVL
struct ir_t ir; // wiimote ir
WPAD_IR(pad, &ir);
if (ir.valid)
{
pos_x = (ir.x * 256) / 640;
pos_y = (ir.y * 224) / 480;
}
else
{
signed char wm_ax = WPAD_StickX (pad, 0);
signed char wm_ay = WPAD_StickY (pad, 0);
if (wm_ax > ZAPPERPADCAL){
pos_x += (wm_ax*1.0)/ZAPPERPADCAL;
if (pos_x > 256) pos_x = 256;
}
if (wm_ax < -ZAPPERPADCAL){
pos_x -= (wm_ax*-1.0)/ZAPPERPADCAL;
if (pos_x < 0) pos_x = 0;
}
if (wm_ay < -ZAPPERPADCAL){
pos_y += (wm_ay*-1.0)/ZAPPERPADCAL;
if (pos_y > 224) pos_y = 224;
}
if (wm_ay > ZAPPERPADCAL){
pos_y -= (wm_ay*1.0)/ZAPPERPADCAL;
if (pos_y < 0) pos_y = 0;
}
}
#endif
}
/****************************************************************************
* Convert GC Joystick Readings to JOY
****************************************************************************/
static int RAPID_SKIP = 2; // frames to skip between rapid button presses
static int RAPID_PRESS = 2; // number of rapid button presses to execute
static int rapidbutton[4][2] = {{0}};
static unsigned char DecodeJoy( unsigned short pad )
{
signed char pad_x = PAD_StickX (pad);
signed char pad_y = PAD_StickY (pad);
u32 jp = PAD_ButtonsHeld (pad);
unsigned char J = 0;
#ifdef HW_RVL
signed char wm_ax = 0;
signed char wm_ay = 0;
u32 wp = 0;
wm_ax = WPAD_StickX ((u8)pad, 0);
wm_ay = WPAD_StickY ((u8)pad, 0);
wp = WPAD_ButtonsHeld (pad);
u32 exp_type;
if ( WPAD_Probe(pad, &exp_type) != 0 ) exp_type = WPAD_EXP_NONE;
#endif
/***
Gamecube Joystick input
***/
// Is XY inside the "zone"?
if (pad_x * pad_x + pad_y * pad_y > PADCAL * PADCAL)
{
if (pad_x > 0 && pad_y == 0) J |= JOY_RIGHT;
if (pad_x < 0 && pad_y == 0) J |= JOY_LEFT;
if (pad_x == 0 && pad_y > 0) J |= JOY_UP;
if (pad_x == 0 && pad_y < 0) J |= JOY_DOWN;
if (pad_x != 0 && pad_y != 0)
{
if ((float)pad_y / pad_x >= -2.41421356237 && (float)pad_y / pad_x < 2.41421356237)
{
if (pad_x >= 0)
J |= JOY_RIGHT;
else
J |= JOY_LEFT;
}
if ((float)pad_x / pad_y >= -2.41421356237 && (float)pad_x / pad_y < 2.41421356237)
{
if (pad_y >= 0)
J |= JOY_UP;
else
J |= JOY_DOWN;
}
}
}
#ifdef HW_RVL
/***
Wii Joystick (classic, nunchuk) input
***/
// Is XY inside the "zone"?
if (wm_ax * wm_ax + wm_ay * wm_ay > PADCAL * PADCAL)
{
/*** we don't want division by zero ***/
if (wm_ax > 0 && wm_ay == 0)
J |= JOY_RIGHT;
if (wm_ax < 0 && wm_ay == 0)
J |= JOY_LEFT;
if (wm_ax == 0 && wm_ay > 0)
J |= JOY_UP;
if (wm_ax == 0 && wm_ay < 0)
J |= JOY_DOWN;
if (wm_ax != 0 && wm_ay != 0)
{
/*** Recalc left / right ***/
float t;
t = (float) wm_ay / wm_ax;
if (t >= -2.41421356237 && t < 2.41421356237)
{
if (wm_ax >= 0)
J |= JOY_RIGHT;
else
J |= JOY_LEFT;
}
/*** Recalc up / down ***/
t = (float) wm_ax / wm_ay;
if (t >= -2.41421356237 && t < 2.41421356237)
{
if (wm_ay >= 0)
J |= JOY_UP;
else
J |= JOY_DOWN;
}
}
}
#endif
// Report pressed buttons (gamepads)
int i;
for (i = 0; i < MAXJP; i++)
{
if ( (jp & btnmap[CTRL_PAD][CTRLR_GCPAD][i]) // gamecube controller
#ifdef HW_RVL
|| ( (exp_type == WPAD_EXP_NONE) && (wp & btnmap[CTRL_PAD][CTRLR_WIIMOTE][i]) ) // wiimote
|| ( (exp_type == WPAD_EXP_CLASSIC) && (wp & btnmap[CTRL_PAD][CTRLR_CLASSIC][i]) ) // classic controller
|| ( (exp_type == WPAD_EXP_NUNCHUK) && (wp & btnmap[CTRL_PAD][CTRLR_NUNCHUK][i]) ) // nunchuk + wiimote
#endif
)
{
// if zapper is on, ignore all buttons except START and SELECT
if(GCSettings.Controller != CTRL_ZAPPER || nespadmap[i] == JOY_START || nespadmap[i] == JOY_SELECT)
{
if(nespadmap[i] == RAPID_A)
{
// activate rapid fire for A button
rapidbutton[pad][0] = RAPID_PRESS;
}
else if(nespadmap[i] == RAPID_B)
{
// activate rapid fire for B button
rapidbutton[pad][1] = RAPID_PRESS;
}
else if(nespadmap[i] > 0)
{
J |= nespadmap[i];
}
else
{
if(nesGameType == 4) // FDS
{
/* the commands shouldn't be issued in parallel so
* we'll delay them so the virtual FDS has a chance
* to process them
*/
FDSSwitchRequested = 1;
}
else
FCEUI_VSUniCoin(); // insert coin for VS Games
}
}
}
}
// rapid fire buttons
if(FrameTimer % RAPID_SKIP == 0) // only press button every X frames
{
if(rapidbutton[pad][0] > 0) // rapid A
{
J |= JOY_A;
rapidbutton[pad][0]--;
}
if(rapidbutton[pad][1] > 0) // rapid B
{
J |= JOY_B;
rapidbutton[pad][1]--;
}
}
// zapper enabled
if(GCSettings.Controller == CTRL_ZAPPER)
{
int z = 1; // NES port # (0 or 1)
myzappers[z][2] = 0; // reset trigger to not pressed
// is trigger pressed?
if ( (jp & btnmap[CTRL_ZAPPER][CTRLR_GCPAD][0]) // gamecube controller
#ifdef HW_RVL
|| ( (exp_type == WPAD_EXP_NONE) && (wp & btnmap[CTRL_ZAPPER][CTRLR_WIIMOTE][0]) ) // wiimote
#endif
)
{
// report trigger press
myzappers[z][2] |= 2;
}
// VS zapper games
if ( (jp & btnmap[CTRL_ZAPPER][CTRLR_GCPAD][1]) // gamecube controller
#ifdef HW_RVL
|| ( (exp_type == WPAD_EXP_NONE) && (wp & btnmap[CTRL_ZAPPER][CTRLR_WIIMOTE][1]) ) // wiimote
#endif
)
{
FCEUI_VSUniCoin(); // insert coin for VS zapper games
}
// cursor position
UpdateCursorPosition(0); // update cursor for wiimote 1
myzappers[z][0] = pos_x;
myzappers[z][1] = pos_y;
// Report changes to FCE Ultra
zapperdata[z]->Update(z,myzappers[z],0);
}
return J;
}
bool MenuRequested()
{
for(int i=0; i<4; i++)
{
if (
(userInput[i].pad.substickX < -70) ||
(userInput[i].pad.btns_h & PAD_BUTTON_START &&
userInput[i].pad.btns_h & PAD_BUTTON_A &&
userInput[i].pad.btns_h & PAD_BUTTON_B &&
userInput[i].pad.btns_h & PAD_TRIGGER_Z
) ||
(userInput[i].wpad.btns_h & WPAD_BUTTON_HOME) ||
(userInput[i].wpad.btns_h & WPAD_CLASSIC_BUTTON_HOME)
)
{
return true;
}
}
return false;
}
void GetJoy()
{
JSReturn = 0; // reset buttons pressed
unsigned char pad[4];
short i;
// Turbo mode
// RIGHT on c-stick and on classic ctrlr right joystick
if(userInput[0].pad.substickX > 70 || userInput[0].WPAD_Stick(1,0) > 70)
frameskip = 3;
else
frameskip = 0;
// request to go back to menu
if(MenuRequested())
ScreenshotRequested = 1; // go to the menu
for (i = 0; i < 4; i++)
pad[i] = DecodeJoy(i);
JSReturn = pad[0] | pad[1] << 8 | pad[2] << 16 | pad[3] << 24;
}
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