usbloadergx/source/input.cpp

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/****************************************************************************
* libwiigui Template
* Tantric 2009
*
* input.cpp
* Wii/GameCube controller management
***************************************************************************/
#include <gccore.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <ogcsys.h>
#include <unistd.h>
#include <wiiuse/wpad.h>
#include "menu.h"
#include "video.h"
#include "input.h"
#include "libwiigui/gui.h"
int rumbleRequest[4] = {0,0,0,0};
GuiTrigger userInput[4];
static int rumbleCount[4] = {0,0,0,0};
u32 frameCount = 0;
extern bool ScreenshotTriggered;
/****************************************************************************
* UpdatePadsCB
*
* called by postRetraceCallback in InitGCVideo - scans gcpad and wpad
***************************************************************************/
void UpdatePadsCB ()
{
frameCount++;
WPAD_ScanPads();
PAD_ScanPads();
for (int i=3; i >= 0; i--)
{
memcpy(&userInput[i].wpad, WPAD_Data(i), sizeof(WPADData));
userInput[i].chan = i;
userInput[i].pad.btns_d = PAD_ButtonsDown(i);
userInput[i].pad.btns_u = PAD_ButtonsUp(i);
userInput[i].pad.btns_h = PAD_ButtonsHeld(i);
userInput[i].pad.stickX = PAD_StickX(i);
userInput[i].pad.stickY = PAD_StickY(i);
userInput[i].pad.substickX = PAD_SubStickX(i);
userInput[i].pad.substickY = PAD_SubStickY(i);
userInput[i].pad.triggerL = PAD_TriggerL(i);
userInput[i].pad.triggerR = PAD_TriggerR(i);
if((userInput[i].wpad.btns_d & WPAD_NUNCHUK_BUTTON_Z)
|| (userInput[i].wpad.btns_d & WPAD_CLASSIC_BUTTON_ZL)
|| (userInput[i].pad.btns_d & PAD_TRIGGER_Z))
{
ScreenshotTriggered = true;
}
}
}
/****************************************************************************
* ShutoffRumble
***************************************************************************/
void ShutoffRumble() {
for (int i=0;i<4;i++) {
WPAD_Rumble(i, 0);
rumbleCount[i] = 0;
}
}
/****************************************************************************
* DoRumble
***************************************************************************/
void DoRumble(int i) {
if (rumbleRequest[i] && rumbleCount[i] < 3) {
WPAD_Rumble(i, 1); // rumble on
rumbleCount[i]++;
} else if (rumbleRequest[i]) {
rumbleCount[i] = 20;
rumbleRequest[i] = 0;
} else {
if (rumbleCount[i])
rumbleCount[i]--;
WPAD_Rumble(i, 0); // rumble off
}
}
/****************************************************************************
* WPAD_Stick
*
* Get X/Y value from Wii Joystick (classic, nunchuk) input
***************************************************************************/
s8 WPAD_Stick(u8 chan, u8 right, int axis) {
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/y 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;
if (axis == 0) // x-axis
val = mag * sin((PI * ang)/180.0f);
else // y-axis
val = mag * cos((PI * ang)/180.0f);
return (s8)(val * 128.0f);
}