pcsxr/plugins/dfinput/analog.c

184 lines
5.8 KiB
C

/*
* Copyright (c) 2009, Wei Mingzhi <whistler_wmz@users.sf.net>.
* All Rights Reserved.
*
* 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, see <http://www.gnu.org/licenses>.
*/
#include "pad.h"
void InitAnalog() {
g.PadState[0].AnalogStatus[ANALOG_LEFT][0] = 127;
g.PadState[0].AnalogStatus[ANALOG_LEFT][1] = 127;
g.PadState[0].AnalogStatus[ANALOG_RIGHT][0] = 127;
g.PadState[0].AnalogStatus[ANALOG_RIGHT][1] = 127;
g.PadState[1].AnalogStatus[ANALOG_LEFT][0] = 127;
g.PadState[1].AnalogStatus[ANALOG_LEFT][1] = 127;
g.PadState[1].AnalogStatus[ANALOG_RIGHT][0] = 127;
g.PadState[1].AnalogStatus[ANALOG_RIGHT][1] = 127;
memset((void *)g.PadState[0].AnalogKeyStatus, 0, sizeof(g.PadState[0].AnalogKeyStatus));
memset((void *)g.PadState[1].AnalogKeyStatus, 0, sizeof(g.PadState[1].AnalogKeyStatus));
}
void CheckAnalog() {
int i, j, k, val;
uint8_t n;
for (i = 0; i < 2; i++) {
if (g.cfg.PadDef[i].Type != PSE_PAD_TYPE_ANALOGPAD) {
continue;
}
for (j = 0; j < ANALOG_TOTAL; j++) {
for (k = 0; k < 4; k++) {
if (g.PadState[i].AnalogKeyStatus[j][k]) {
switch (k) {
case ANALOG_XP: g.PadState[i].AnalogStatus[j][0] = 255; k++; break;
case ANALOG_XM: g.PadState[i].AnalogStatus[j][0] = 0; break;
case ANALOG_YP: g.PadState[i].AnalogStatus[j][1] = 255; k++; break;
case ANALOG_YM: g.PadState[i].AnalogStatus[j][1] = 0; break;
}
continue;
}
switch (g.cfg.PadDef[i].AnalogDef[j][k].JoyEvType) {
case AXIS:
n = abs(g.cfg.PadDef[i].AnalogDef[j][k].J.Axis) - 1;
if (g.cfg.PadDef[i].AnalogDef[j][k].J.Axis > 0) {
val = SDL_JoystickGetAxis(g.PadState[i].JoyDev, n);
if (val >= 0) {
val += 32640;
val /= 256;
switch (k) {
case ANALOG_XP: g.PadState[i].AnalogStatus[j][0] = val; break;
case ANALOG_XM: g.PadState[i].AnalogStatus[j][0] = 255 - val; break;
case ANALOG_YP: g.PadState[i].AnalogStatus[j][1] = val; break;
case ANALOG_YM: g.PadState[i].AnalogStatus[j][1] = 255 - val; break;
}
}
} else if (g.cfg.PadDef[i].AnalogDef[j][k].J.Axis < 0) {
val = SDL_JoystickGetAxis(g.PadState[i].JoyDev, n);
if (val <= 0) {
val += 32640;
val /= 256;
switch (k) {
case ANALOG_XP: g.PadState[i].AnalogStatus[j][0] = 255 - val; break;
case ANALOG_XM: g.PadState[i].AnalogStatus[j][0] = val; break;
case ANALOG_YP: g.PadState[i].AnalogStatus[j][1] = 255 - val; break;
case ANALOG_YM: g.PadState[i].AnalogStatus[j][1] = val; break;
}
}
}
break;
case HAT:
n = (g.cfg.PadDef[i].AnalogDef[j][k].J.Hat >> 8);
g.PadState[i].AnalogStatus[j][0] = 0;
if (SDL_JoystickGetHat(g.PadState[i].JoyDev, n) & (g.cfg.PadDef[i].AnalogDef[j][k].J.Hat & 0xFF)) {
switch (k) {
case ANALOG_XP: g.PadState[i].AnalogStatus[j][0] = 255; k++; break;
case ANALOG_XM: g.PadState[i].AnalogStatus[j][0] = 0; break;
case ANALOG_YP: g.PadState[i].AnalogStatus[j][1] = 255; k++; break;
case ANALOG_YM: g.PadState[i].AnalogStatus[j][1] = 0; break;
}
} else {
switch (k) {
case ANALOG_XP: g.PadState[i].AnalogStatus[j][0] = 127; break;
case ANALOG_XM: g.PadState[i].AnalogStatus[j][0] = 127; break;
case ANALOG_YP: g.PadState[i].AnalogStatus[j][1] = 127; break;
case ANALOG_YM: g.PadState[i].AnalogStatus[j][1] = 127; break;
}
}
break;
case BUTTON:
if (SDL_JoystickGetButton(g.PadState[i].JoyDev, g.cfg.PadDef[i].AnalogDef[j][k].J.Button)) {
switch (k) {
case ANALOG_XP: g.PadState[i].AnalogStatus[j][0] = 255; k++; break;
case ANALOG_XM: g.PadState[i].AnalogStatus[j][0] = 0; break;
case ANALOG_YP: g.PadState[i].AnalogStatus[j][1] = 255; k++; break;
case ANALOG_YM: g.PadState[i].AnalogStatus[j][1] = 0; break;
}
} else {
switch (k) {
case ANALOG_XP: g.PadState[i].AnalogStatus[j][0] = 127; break;
case ANALOG_XM: g.PadState[i].AnalogStatus[j][0] = 127; break;
case ANALOG_YP: g.PadState[i].AnalogStatus[j][1] = 127; break;
case ANALOG_YM: g.PadState[i].AnalogStatus[j][1] = 127; break;
}
}
break;
default:
switch (k) {
case ANALOG_XP: g.PadState[i].AnalogStatus[j][0] = 127; break;
case ANALOG_XM: g.PadState[i].AnalogStatus[j][0] = 127; break;
case ANALOG_YP: g.PadState[i].AnalogStatus[j][1] = 127; break;
case ANALOG_YM: g.PadState[i].AnalogStatus[j][1] = 127; break;
}
break;
}
}
}
}
}
int AnalogKeyPressed(uint16_t Key) {
int i, j, k;
for (i = 0; i < 2; i++) {
if (g.cfg.PadDef[i].Type != PSE_PAD_TYPE_ANALOGPAD) {
continue;
}
for (j = 0; j < ANALOG_TOTAL; j++) {
for (k = 0; k < 4; k++) {
if (g.cfg.PadDef[i].AnalogDef[j][k].Key == Key) {
g.PadState[i].AnalogKeyStatus[j][k] = 1;
return 1;
}
}
}
}
return 0;
}
int AnalogKeyReleased(uint16_t Key) {
int i, j, k;
for (i = 0; i < 2; i++) {
if (g.cfg.PadDef[i].Type != PSE_PAD_TYPE_ANALOGPAD) {
continue;
}
for (j = 0; j < ANALOG_TOTAL; j++) {
for (k = 0; k < 4; k++) {
if (g.cfg.PadDef[i].AnalogDef[j][k].Key == Key) {
g.PadState[i].AnalogKeyStatus[j][k] = 0;
return 1;
}
}
}
}
return 0;
}