filename | src/maple/controller.c |
changeset | 1072:d82e04e6d497 |
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author | nkeynes |
date | Sun Oct 24 15:22:59 2010 +1000 (13 years ago) |
permissions | -rw-r--r-- |
last change | Eliminate GL_REPLACE tex mode in favour of GL_MODULATE (by setting colour values to 1.0) - one less case for shaders to care about later |
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1 /**
2 * $Id$
3 *
4 * Implements the standard dreamcast controller
5 * Part No. HKT-7700
6 *
7 * Copyright (c) 2005 Nathan Keynes.
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 */
20 #include <stdlib.h>
21 #include <assert.h>
22 #include "dream.h"
23 #include "dreamcast.h"
24 #include "display.h"
25 #include "maple.h"
27 /* First word of controller condition */
28 #define BUTTON_C 0x00000001 /* not on standard controller */
29 #define BUTTON_B 0x00000002
30 #define BUTTON_A 0x00000004
31 #define BUTTON_START 0x00000008
32 #define BUTTON_DPAD_UP 0x00000010
33 #define BUTTON_DPAD_DOWN 0x00000020
34 #define BUTTON_DPAD_LEFT 0x00000040
35 #define BUTTON_DPAD_RIGHT 0x00000080
36 #define BUTTON_Z 0x00000100 /* not on standard controller */
37 #define BUTTON_Y 0x00000200
38 #define BUTTON_X 0x00000400
39 #define BUTTON_D 0x00000800 /* not on standard controller */
40 #define BUTTON_LEFT_TRIGGER 0xFF000000 /* Bitmask */
41 #define BUTTON_RIGHT_TRIGGER 0x00FF0000 /* Bitmask */
43 /* Second word of controller condition (bitmasks) */
44 #define JOY_X_AXIS_MASK 0x000000FF
45 #define JOY_Y_AXIS_MASK 0x0000FF00
46 #define JOY_X_AXIS_CENTER 0x00000080
47 #define JOY_Y_AXIS_CENTER 0x00008000
48 #define JOY2_X_AXIS_MASK 0x00FF0000 /* not on standard controller */
49 #define JOY2_Y_AXIS_MASK 0xFF000000 /* not on standard controller */
51 #define JOY_X_AXIS(x) ((x)&0xFF)
52 #define JOY_Y_AXIS(y) (((y)&0xFF)<<8)
54 /* The following bits are used by the emulator for flags but don't actually
55 * appear in the hardware
56 */
57 #define JOY_LEFT 0x80000001
58 #define JOY_RIGHT 0x80000002
59 #define JOY_UP 0x80000004
60 #define JOY_DOWN 0x80000008
62 /* Standard controller ID */
63 #define CONTROLLER_IDENT {0x00, 0x00, 0x00, 0x01, 0x00, 0x0f, 0x06, 0xfe, 0x00, 0x00, 0x00, 0x00, \
64 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0x44, 0x72, 0x65, 0x61, 0x6d, 0x63, 0x61, 0x73, 0x74, 0x20, \
65 0x43, 0x6f, 0x6e, 0x74, 0x72, 0x6f, 0x6c, 0x6c, 0x65, 0x72, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, \
66 0x20, 0x20, 0x20, 0x20, 0x50, 0x72, 0x6f, 0x64, 0x75, 0x63, 0x65, 0x64, 0x20, 0x42, 0x79, 0x20, \
67 0x6f, 0x72, 0x20, 0x55, 0x6e, 0x64, 0x65, 0x72, 0x20, 0x4c, 0x69, 0x63, 0x65, 0x6e, 0x73, 0x65, \
68 0x20, 0x46, 0x72, 0x6f, 0x6d, 0x20, 0x53, 0x45, 0x47, 0x41, 0x20, 0x45, 0x4e, 0x54, 0x45, 0x52, \
69 0x50, 0x52, 0x49, 0x53, 0x45, 0x53, 0x2c, 0x4c, 0x54, 0x44, 0x2e, 0x20, 0x20, 0x20, 0x20, 0x20, \
70 0xae, 0x01, 0xf4, 0x01}
71 #define CONTROLLER_VERSION {0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x20, 0x31, 0x2e, 0x30, 0x31, \
72 0x30, 0x2c, 0x31, 0x39, 0x39, 0x38, 0x2f, 0x30, 0x39, 0x2f, 0x32, 0x38, 0x2c, 0x33, 0x31, 0x35, \
73 0x2d, 0x36, 0x32, 0x31, 0x31, 0x2d, 0x41, 0x42, 0x20, 0x20, 0x20, 0x2c, 0x41, 0x6e, 0x61, 0x6c, \
74 0x6f, 0x67, 0x20, 0x4d, 0x6f, 0x64, 0x75, 0x6c, 0x65, 0x20, 0x3a, 0x20, 0x54, 0x68, 0x65, 0x20, \
75 0x34, 0x74, 0x68, 0x20, 0x45, 0x64, 0x69, 0x74, 0x69, 0x6f, 0x6e, 0x2e, 0x35, 0x2f, 0x38, 0x20, \
76 0x20, 0x2b, 0x44, 0x46 }
78 #define CONTROLLER_CONFIG_ENTRIES 15
80 static void controller_attach( maple_device_t dev );
81 static void controller_detach( maple_device_t dev );
82 static void controller_key_callback( void *mdev, uint32_t value, uint32_t pressure, gboolean isKeyDown );
83 static maple_device_t controller_clone( maple_device_t dev );
84 static maple_device_t controller_new();
85 static lxdream_config_group_t controller_get_config( maple_device_t dev );
86 static int controller_get_cond( maple_device_t dev, int function, unsigned char *outbuf,
87 unsigned int *outlen );
89 typedef struct controller_device {
90 struct maple_device dev;
91 uint32_t condition[2];
92 struct lxdream_config_group config;
93 } *controller_device_t;
95 struct maple_device_class controller_class = { "Sega Controller",
96 MAPLE_TYPE_PRIMARY|MAPLE_GRAB_DONTCARE|MAPLE_SLOTS_2, controller_new };
98 static struct controller_device base_controller = {
99 { MAPLE_DEVICE_TAG, &controller_class,
100 CONTROLLER_IDENT, CONTROLLER_VERSION,
101 controller_get_config,
102 controller_attach, controller_detach, maple_default_destroy,
103 controller_clone, NULL, NULL, controller_get_cond, NULL, NULL, NULL, NULL, NULL, NULL },
104 {0x0000FFFF, 0x80808080},
105 {"Sega Controller", NULL, controller_key_callback, NULL,
106 {{ "dpad left", N_("Dpad left"), CONFIG_TYPE_KEY, NULL, BUTTON_DPAD_LEFT },
107 { "dpad right", N_("Dpad right"), CONFIG_TYPE_KEY, NULL, BUTTON_DPAD_RIGHT },
108 { "dpad up", N_("Dpad up"), CONFIG_TYPE_KEY, NULL, BUTTON_DPAD_UP },
109 { "dpad down", N_("Dpad down"), CONFIG_TYPE_KEY, NULL, BUTTON_DPAD_DOWN },
110 { "analog left", N_("Analog left"), CONFIG_TYPE_KEY, NULL, JOY_LEFT },
111 { "analog right", N_("Analog right"), CONFIG_TYPE_KEY, NULL, JOY_RIGHT },
112 { "analog up", N_("Analog up"), CONFIG_TYPE_KEY, NULL, JOY_UP },
113 { "analog down", N_("Analog down"), CONFIG_TYPE_KEY, NULL, JOY_DOWN },
114 { "button X", N_("Button X"), CONFIG_TYPE_KEY, NULL, BUTTON_X },
115 { "button Y", N_("Button Y"), CONFIG_TYPE_KEY, NULL, BUTTON_Y },
116 { "button A", N_("Button A"), CONFIG_TYPE_KEY, NULL, BUTTON_A },
117 { "button B", N_("Button B"), CONFIG_TYPE_KEY, NULL, BUTTON_B },
118 { "trigger left", N_("Trigger left"), CONFIG_TYPE_KEY, NULL, BUTTON_LEFT_TRIGGER },
119 { "trigger right", N_("Trigger right"), CONFIG_TYPE_KEY, NULL, BUTTON_RIGHT_TRIGGER },
120 { "start", N_("Start button"), CONFIG_TYPE_KEY, NULL, BUTTON_START },
121 { NULL, CONFIG_TYPE_NONE }}} };
123 /* Get the controller_device * from a lxdream_config_group_t */
124 #define DEV_FROM_CONFIG_GROUP(grp) ((controller_device_t)(((char *)grp) - offsetof( struct controller_device, config )))
126 static int config_button_map[] = {
127 BUTTON_DPAD_LEFT, BUTTON_DPAD_RIGHT, BUTTON_DPAD_UP, BUTTON_DPAD_DOWN,
128 JOY_LEFT, JOY_RIGHT, JOY_UP, JOY_DOWN, BUTTON_X, BUTTON_Y, BUTTON_A,
129 BUTTON_B, BUTTON_LEFT_TRIGGER, BUTTON_RIGHT_TRIGGER, BUTTON_START };
131 #define CONTROLLER(x) ((controller_device_t)(x))
133 static maple_device_t controller_new( )
134 {
135 controller_device_t dev = malloc( sizeof(base_controller) );
136 memcpy( dev, &base_controller, sizeof(base_controller) );
137 dev->config.data = dev;
138 return MAPLE_DEVICE(dev);
139 }
141 static maple_device_t controller_clone( maple_device_t srcdevice )
142 {
143 controller_device_t src = (controller_device_t)srcdevice;
144 controller_device_t dev = (controller_device_t)controller_new();
145 lxdream_copy_config_group( &dev->config, &src->config );
146 memcpy( dev->condition, src->condition, sizeof(src->condition) );
147 return MAPLE_DEVICE(dev);
148 }
150 /**
151 * Input callback
152 */
153 static void controller_key_callback( void *mdev, uint32_t value, uint32_t pressure, gboolean isKeyDown )
154 {
155 controller_device_t dev = (controller_device_t)mdev;
156 if( isKeyDown ) {
157 switch( value ) {
158 case JOY_LEFT:
159 dev->condition[1] &= ~JOY_X_AXIS_MASK;
160 dev->condition[1] |= JOY_X_AXIS(0x7F - pressure);
161 break;
162 case JOY_RIGHT:
163 dev->condition[1] &= ~JOY_X_AXIS_MASK;
164 dev->condition[1] |= JOY_X_AXIS(0x80 + pressure);
165 break;
166 case JOY_UP:
167 dev->condition[1] &= ~JOY_Y_AXIS_MASK;
168 dev->condition[1] |= JOY_Y_AXIS(0x7F - pressure);
169 break;
170 case JOY_DOWN:
171 dev->condition[1] &= ~JOY_Y_AXIS_MASK;
172 dev->condition[1] |= JOY_Y_AXIS(0x80 + pressure);
173 break;
174 case BUTTON_LEFT_TRIGGER:
175 case BUTTON_RIGHT_TRIGGER:
176 dev->condition[0] |= value;
177 break;
178 default:
179 dev->condition[0] &= ~value;
180 }
181 } else {
182 switch(value ) {
183 case JOY_LEFT:
184 case JOY_RIGHT:
185 dev->condition[1] = (dev->condition[1] & ~JOY_X_AXIS_MASK)| JOY_X_AXIS_CENTER;
186 break;
187 case JOY_UP:
188 case JOY_DOWN:
189 dev->condition[1] = (dev->condition[1] & ~JOY_Y_AXIS_MASK)| JOY_Y_AXIS_CENTER;
190 break;
191 case BUTTON_LEFT_TRIGGER:
192 case BUTTON_RIGHT_TRIGGER:
193 dev->condition[0] &= ~value;
194 break;
195 default:
196 dev->condition[0] |= value;
197 }
198 }
199 }
201 static lxdream_config_group_t controller_get_config( maple_device_t mdev )
202 {
203 controller_device_t dev = (controller_device_t)mdev;
204 return &dev->config;
205 }
207 /**
208 * Device is being attached to the bus. Go through the config and reserve the
209 * keys we need.
210 */
211 static void controller_attach( maple_device_t mdev )
212 {
213 controller_device_t dev = (controller_device_t)mdev;
214 dev->config.on_change = input_keygroup_changed;
215 input_register_keygroup( &dev->config );
216 }
218 static void controller_detach( maple_device_t mdev )
219 {
220 controller_device_t dev = (controller_device_t)mdev;
221 input_unregister_keygroup( &dev->config );
222 dev->config.on_change = NULL;
223 }
226 static int controller_get_cond( maple_device_t mdev, int function, unsigned char *outbuf,
227 unsigned int *outlen )
228 {
229 controller_device_t dev = (controller_device_t)mdev;
230 if( function == MAPLE_FUNC_CONTROLLER ) {
231 *outlen = 2;
232 memcpy( outbuf, dev->condition, 8 );
233 return 0;
234 } else {
235 return MAPLE_ERR_FUNC_UNSUP;
236 }
237 }
.