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pcsxr-1.9.92
[pcsx_rearmed.git] / plugins / dfinput / analog.c
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1/*
2 * Copyright (c) 2009, Wei Mingzhi <whistler@openoffice.org>.
3 * All Rights Reserved.
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, see <http://www.gnu.org/licenses>.
17 */
18
19#include "pad.h"
20
21void InitAnalog() {
22 g.PadState[0].AnalogStatus[ANALOG_LEFT][0] = 127;
23 g.PadState[0].AnalogStatus[ANALOG_LEFT][1] = 127;
24 g.PadState[0].AnalogStatus[ANALOG_RIGHT][0] = 127;
25 g.PadState[0].AnalogStatus[ANALOG_RIGHT][1] = 127;
26 g.PadState[1].AnalogStatus[ANALOG_LEFT][0] = 127;
27 g.PadState[1].AnalogStatus[ANALOG_LEFT][1] = 127;
28 g.PadState[1].AnalogStatus[ANALOG_RIGHT][0] = 127;
29 g.PadState[1].AnalogStatus[ANALOG_RIGHT][1] = 127;
30
31 memset(g.PadState[0].AnalogKeyStatus, 0, sizeof(g.PadState[0].AnalogKeyStatus));
32 memset(g.PadState[1].AnalogKeyStatus, 0, sizeof(g.PadState[1].AnalogKeyStatus));
33}
34
35void CheckAnalog() {
36 int i, j, k, val;
37 uint8_t n;
38
39 for (i = 0; i < 2; i++) {
40 if (g.cfg.PadDef[i].Type != PSE_PAD_TYPE_ANALOGPAD) {
41 continue;
42 }
43
44 for (j = 0; j < ANALOG_TOTAL; j++) {
45 for (k = 0; k < 4; k++) {
46 if (g.PadState[i].AnalogKeyStatus[j][k]) {
47 switch (k) {
48 case ANALOG_XP: g.PadState[i].AnalogStatus[j][0] = 255; k++; break;
49 case ANALOG_XM: g.PadState[i].AnalogStatus[j][0] = 0; break;
50 case ANALOG_YP: g.PadState[i].AnalogStatus[j][1] = 255; k++; break;
51 case ANALOG_YM: g.PadState[i].AnalogStatus[j][1] = 0; break;
52 }
53 continue;
54 }
55
56 switch (g.cfg.PadDef[i].AnalogDef[j][k].JoyEvType) {
57 case AXIS:
58 n = abs(g.cfg.PadDef[i].AnalogDef[j][k].J.Axis) - 1;
59
60 if (g.cfg.PadDef[i].AnalogDef[j][k].J.Axis > 0) {
61 val = SDL_JoystickGetAxis(g.PadState[i].JoyDev, n);
62 if (val >= 0) {
63 val += 32640;
64 val /= 256;
65
66 switch (k) {
67 case ANALOG_XP: g.PadState[i].AnalogStatus[j][0] = val; break;
68 case ANALOG_XM: g.PadState[i].AnalogStatus[j][0] = 255 - val; break;
69 case ANALOG_YP: g.PadState[i].AnalogStatus[j][1] = val; break;
70 case ANALOG_YM: g.PadState[i].AnalogStatus[j][1] = 255 - val; break;
71 }
72 }
73 } else if (g.cfg.PadDef[i].AnalogDef[j][k].J.Axis < 0) {
74 val = SDL_JoystickGetAxis(g.PadState[i].JoyDev, n);
75 if (val <= 0) {
76 val += 32640;
77 val /= 256;
78
79 switch (k) {
80 case ANALOG_XP: g.PadState[i].AnalogStatus[j][0] = 255 - val; break;
81 case ANALOG_XM: g.PadState[i].AnalogStatus[j][0] = val; break;
82 case ANALOG_YP: g.PadState[i].AnalogStatus[j][1] = 255 - val; break;
83 case ANALOG_YM: g.PadState[i].AnalogStatus[j][1] = val; break;
84 }
85 }
86 }
87 break;
88
89 case HAT:
90 n = (g.cfg.PadDef[i].AnalogDef[j][k].J.Hat >> 8);
91
92 g.PadState[i].AnalogStatus[j][0] = 0;
93
94 if (SDL_JoystickGetHat(g.PadState[i].JoyDev, n) & (g.cfg.PadDef[i].AnalogDef[j][k].J.Hat & 0xFF)) {
95 switch (k) {
96 case ANALOG_XP: g.PadState[i].AnalogStatus[j][0] = 255; k++; break;
97 case ANALOG_XM: g.PadState[i].AnalogStatus[j][0] = 0; break;
98 case ANALOG_YP: g.PadState[i].AnalogStatus[j][1] = 255; k++; break;
99 case ANALOG_YM: g.PadState[i].AnalogStatus[j][1] = 0; break;
100 }
101 } else {
102 switch (k) {
103 case ANALOG_XP: g.PadState[i].AnalogStatus[j][0] = 127; break;
104 case ANALOG_XM: g.PadState[i].AnalogStatus[j][0] = 127; break;
105 case ANALOG_YP: g.PadState[i].AnalogStatus[j][1] = 127; break;
106 case ANALOG_YM: g.PadState[i].AnalogStatus[j][1] = 127; break;
107 }
108 }
109 break;
110
111 case BUTTON:
112 if (SDL_JoystickGetButton(g.PadState[i].JoyDev, g.cfg.PadDef[i].AnalogDef[j][k].J.Button)) {
113 switch (k) {
114 case ANALOG_XP: g.PadState[i].AnalogStatus[j][0] = 255; k++; break;
115 case ANALOG_XM: g.PadState[i].AnalogStatus[j][0] = 0; break;
116 case ANALOG_YP: g.PadState[i].AnalogStatus[j][1] = 255; k++; break;
117 case ANALOG_YM: g.PadState[i].AnalogStatus[j][1] = 0; break;
118 }
119 } else {
120 switch (k) {
121 case ANALOG_XP: g.PadState[i].AnalogStatus[j][0] = 127; break;
122 case ANALOG_XM: g.PadState[i].AnalogStatus[j][0] = 127; break;
123 case ANALOG_YP: g.PadState[i].AnalogStatus[j][1] = 127; break;
124 case ANALOG_YM: g.PadState[i].AnalogStatus[j][1] = 127; break;
125 }
126 }
127 break;
128
129 default:
130 switch (k) {
131 case ANALOG_XP: g.PadState[i].AnalogStatus[j][0] = 127; break;
132 case ANALOG_XM: g.PadState[i].AnalogStatus[j][0] = 127; break;
133 case ANALOG_YP: g.PadState[i].AnalogStatus[j][1] = 127; break;
134 case ANALOG_YM: g.PadState[i].AnalogStatus[j][1] = 127; break;
135 }
136 break;
137 }
138 }
139 }
140 }
141}
142
143int AnalogKeyPressed(uint16_t Key) {
144 int i, j, k;
145
146 for (i = 0; i < 2; i++) {
147 if (g.cfg.PadDef[i].Type != PSE_PAD_TYPE_ANALOGPAD) {
148 continue;
149 }
150
151 for (j = 0; j < ANALOG_TOTAL; j++) {
152 for (k = 0; k < 4; k++) {
153 if (g.cfg.PadDef[i].AnalogDef[j][k].Key == Key) {
154 g.PadState[i].AnalogKeyStatus[j][k] = 1;
155 return 1;
156 }
157 }
158 }
159 }
160
161 return 0;
162}
163
164int AnalogKeyReleased(uint16_t Key) {
165 int i, j, k;
166
167 for (i = 0; i < 2; i++) {
168 if (g.cfg.PadDef[i].Type != PSE_PAD_TYPE_ANALOGPAD) {
169 continue;
170 }
171
172 for (j = 0; j < ANALOG_TOTAL; j++) {
173 for (k = 0; k < 4; k++) {
174 if (g.cfg.PadDef[i].AnalogDef[j][k].Key == Key) {
175 g.PadState[i].AnalogKeyStatus[j][k] = 0;
176 return 1;
177 }
178 }
179 }
180 }
181
182 return 0;
183}
ARM optimized PCSX fork