nkeynes@850 | 1 | /**
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nkeynes@1021 | 2 | * $Id$
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nkeynes@850 | 3 | *
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nkeynes@850 | 4 | * Implementation of the SEGA lightgun device
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nkeynes@850 | 5 | * Part No. HKT-7800
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nkeynes@850 | 6 | *
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nkeynes@850 | 7 | * Copyright (c) 2008 Nathan Keynes.
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nkeynes@850 | 8 | *
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nkeynes@850 | 9 | * This program is free software; you can redistribute it and/or modify
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nkeynes@850 | 10 | * it under the terms of the GNU General Public License as published by
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nkeynes@850 | 11 | * the Free Software Foundation; either version 2 of the License, or
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nkeynes@850 | 12 | * (at your option) any later version.
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nkeynes@850 | 13 | *
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nkeynes@850 | 14 | * This program is distributed in the hope that it will be useful,
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nkeynes@850 | 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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nkeynes@850 | 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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nkeynes@850 | 17 | * GNU General Public License for more details.
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nkeynes@850 | 18 | */
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nkeynes@850 | 19 |
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nkeynes@850 | 20 | #include <stdlib.h>
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nkeynes@850 | 21 | #include <stdio.h>
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nkeynes@850 | 22 | #include <string.h>
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nkeynes@850 | 23 | #include <assert.h>
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nkeynes@850 | 24 | #include "display.h"
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nkeynes@850 | 25 | #include "eventq.h"
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nkeynes@850 | 26 | #include "pvr2/pvr2.h"
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nkeynes@850 | 27 | #include "maple/maple.h"
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nkeynes@850 | 28 |
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nkeynes@850 | 29 | #define BUTTON_B 0x00000002
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nkeynes@850 | 30 | #define BUTTON_A 0x00000004
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nkeynes@850 | 31 | #define BUTTON_START 0x00000008
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nkeynes@850 | 32 | #define BUTTON_DPAD_UP 0x00000010
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nkeynes@850 | 33 | #define BUTTON_DPAD_DOWN 0x00000020
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nkeynes@850 | 34 | #define BUTTON_DPAD_LEFT 0x00000040
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nkeynes@850 | 35 | #define BUTTON_DPAD_RIGHT 0x00000080
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nkeynes@850 | 36 |
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nkeynes@850 | 37 | #define LIGHTGUN_IDENT { 0x00, 0x00, 0x00, 0x81, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFE, \
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nkeynes@850 | 38 | 0x00, 0x00, 0x00, 0x00, 0xFF, 0x01, 0x44, 0x72, 0x65, 0x61, 0x6D, 0x63, 0x61, 0x73, 0x74, 0x20, \
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nkeynes@850 | 39 | 0x47, 0x75, 0x6E, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, \
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nkeynes@850 | 40 | 0x20, 0x20, 0x20, 0x20, 0x50, 0x72, 0x6F, 0x64, 0x75, 0x63, 0x65, 0x64, 0x20, 0x42, 0x79, 0x20, \
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nkeynes@850 | 41 | 0x6F, 0x72, 0x20, 0x55, 0x6E, 0x64, 0x65, 0x72, 0x20, 0x4C, 0x69, 0x63, 0x65, 0x6E, 0x73, 0x65, \
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nkeynes@850 | 42 | 0x20, 0x46, 0x72, 0x6F, 0x6D, 0x20, 0x53, 0x45, 0x47, 0x41, 0x20, 0x45, 0x4E, 0x54, 0x45, 0x52, \
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nkeynes@850 | 43 | 0x50, 0x52, 0x49, 0x53, 0x45, 0x53, 0x2C, 0x4C, 0x54, 0x44, 0x2E, 0x20, 0x20, 0x20, 0x20, 0x20, \
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nkeynes@850 | 44 | 0xDC, 0x00, 0x2C, 0x01 }
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nkeynes@850 | 45 | #define LIGHTGUN_VERSION { 0x56, 0x65, 0x72, 0x73, 0x69, 0x6F, 0x6E, 0x20, 0x31, 0x2E, 0x30, 0x30, \
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nkeynes@850 | 46 | 0x30, 0x2C, 0x31, 0x39, 0x39, 0x38, 0x2F, 0x30, 0x39, 0x2F, 0x31, 0x36, 0x2C, 0x33, 0x31, 0x35, \
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nkeynes@850 | 47 | 0x2D, 0x36, 0x31, 0x32, 0x35, 0x2D, 0x41, 0x47, 0x20, 0x20, 0x20, 0x2C, 0x55, 0x2C, 0x44, 0x2C, \
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nkeynes@850 | 48 | 0x4C, 0x2C, 0x52, 0x2C, 0x53, 0x2C, 0x41, 0x2C, 0x42, 0x20, 0x4B, 0x65, 0x79, 0x20, 0x26, 0x20, \
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nkeynes@850 | 49 | 0x53, 0x63, 0x61, 0x6E, 0x6E, 0x69, 0x6E, 0x67, 0x20, 0x4C, 0x69, 0x6E, 0x65, 0x20, 0x41, 0x6D, \
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nkeynes@850 | 50 | 0x70, 0x2E, 0x20, 0x20 }
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nkeynes@850 | 51 |
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nkeynes@850 | 52 |
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nkeynes@850 | 53 | #define LIGHTGUN_CONFIG_ENTRIES 7
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nkeynes@850 | 54 |
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nkeynes@850 | 55 | static void lightgun_attach( maple_device_t dev );
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nkeynes@850 | 56 | static void lightgun_detach( maple_device_t dev );
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nkeynes@850 | 57 | static void lightgun_destroy( maple_device_t dev );
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nkeynes@850 | 58 | static maple_device_t lightgun_clone( maple_device_t dev );
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nkeynes@850 | 59 | static maple_device_t lightgun_new();
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nkeynes@1072 | 60 | static void lightgun_key_callback( void *mdev, uint32_t value, uint32_t pressure, gboolean isKeyDown );
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nkeynes@1072 | 61 | static lxdream_config_group_t lightgun_get_config( maple_device_t dev );
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nkeynes@850 | 62 | static int lightgun_get_cond( maple_device_t dev, int function, unsigned char *outbuf,
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nkeynes@850 | 63 | unsigned int *outlen );
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nkeynes@850 | 64 | static void lightgun_start_gun( maple_device_t dev );
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nkeynes@850 | 65 | static void lightgun_stop_gun( maple_device_t dev );
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nkeynes@850 | 66 |
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nkeynes@1072 | 67 | static gboolean lightgun_set_config_value( lxdream_config_group_t group, unsigned int key,
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nkeynes@1072 | 68 | const gchar *oldvalue, const gchar *value );
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nkeynes@1072 | 69 |
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nkeynes@850 | 70 | typedef struct lightgun_device {
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nkeynes@850 | 71 | struct maple_device dev;
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nkeynes@850 | 72 | uint32_t condition[2];
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nkeynes@850 | 73 | int gun_active;
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nkeynes@850 | 74 | int mouse_x, mouse_y;
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nkeynes@1072 | 75 | struct lxdream_config_group config;
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nkeynes@850 | 76 | } *lightgun_device_t;
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nkeynes@850 | 77 |
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nkeynes@1034 | 78 | struct maple_device_class lightgun_class = { "Sega Lightgun",
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nkeynes@1034 | 79 | MAPLE_TYPE_PRIMARY|MAPLE_GRAB_NO|MAPLE_SLOTS_2, lightgun_new };
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nkeynes@850 | 80 |
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nkeynes@850 | 81 | static struct lightgun_device base_lightgun = {
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nkeynes@1034 | 82 | { MAPLE_DEVICE_TAG, &lightgun_class,
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nkeynes@850 | 83 | LIGHTGUN_IDENT, LIGHTGUN_VERSION,
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nkeynes@1072 | 84 | lightgun_get_config,
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nkeynes@850 | 85 | lightgun_attach, lightgun_detach, lightgun_destroy,
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nkeynes@1034 | 86 | lightgun_clone, NULL, NULL, lightgun_get_cond, NULL, NULL, NULL, NULL,
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nkeynes@850 | 87 | lightgun_start_gun, lightgun_stop_gun},
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nkeynes@1072 | 88 | {0x0000FFFF, 0x80808080}, 0, -1, -1,
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nkeynes@1072 | 89 | {"Sega Lightgun", NULL, lightgun_key_callback, NULL,
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nkeynes@1072 | 90 | {{ "dpad left", N_("Dpad left"), CONFIG_TYPE_KEY, NULL, BUTTON_DPAD_LEFT },
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nkeynes@1072 | 91 | { "dpad right", N_("Dpad right"), CONFIG_TYPE_KEY, NULL, BUTTON_DPAD_RIGHT },
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nkeynes@1072 | 92 | { "dpad up", N_("Dpad up"), CONFIG_TYPE_KEY, NULL, BUTTON_DPAD_UP },
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nkeynes@1072 | 93 | { "dpad down", N_("Dpad down"), CONFIG_TYPE_KEY, NULL, BUTTON_DPAD_DOWN },
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nkeynes@1072 | 94 | { "button A", N_("Button A"), CONFIG_TYPE_KEY, NULL, BUTTON_A },
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nkeynes@1072 | 95 | { "button B", N_("Button B"), CONFIG_TYPE_KEY, NULL, BUTTON_B },
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nkeynes@1072 | 96 | { "start", N_("Start button"), CONFIG_TYPE_KEY, NULL, BUTTON_START },
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nkeynes@1072 | 97 | { NULL, CONFIG_TYPE_NONE }}} };
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nkeynes@850 | 98 |
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nkeynes@1072 | 99 |
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nkeynes@850 | 100 | #define lightgun(x) ((lightgun_device_t)(x))
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nkeynes@850 | 101 |
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nkeynes@850 | 102 | static maple_device_t lightgun_new( )
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nkeynes@850 | 103 | {
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nkeynes@850 | 104 | lightgun_device_t dev = malloc( sizeof(struct lightgun_device) );
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nkeynes@850 | 105 | memcpy( dev, &base_lightgun, sizeof(base_lightgun) );
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nkeynes@1072 | 106 | dev->config.data = dev;
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nkeynes@850 | 107 | return MAPLE_DEVICE(dev);
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nkeynes@850 | 108 | }
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nkeynes@850 | 109 |
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nkeynes@850 | 110 | static maple_device_t lightgun_clone( maple_device_t srcdevice )
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nkeynes@850 | 111 | {
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nkeynes@850 | 112 | lightgun_device_t src = (lightgun_device_t)srcdevice;
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nkeynes@850 | 113 | lightgun_device_t dev = (lightgun_device_t)lightgun_new();
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nkeynes@1072 | 114 | lxdream_copy_config_group( &dev->config, &src->config );
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nkeynes@850 | 115 | memcpy( dev->condition, src->condition, sizeof(src->condition) );
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nkeynes@850 | 116 | return MAPLE_DEVICE(dev);
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nkeynes@850 | 117 | }
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nkeynes@850 | 118 |
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nkeynes@1072 | 119 | static lxdream_config_group_t lightgun_get_config( maple_device_t mdev )
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nkeynes@1072 | 120 | {
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nkeynes@1072 | 121 | lightgun_device_t dev = (lightgun_device_t)mdev;
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nkeynes@1072 | 122 | return &dev->config;
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nkeynes@1072 | 123 | }
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nkeynes@1072 | 124 |
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nkeynes@1072 | 125 | static void lightgun_destroy( maple_device_t mdev )
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nkeynes@1072 | 126 | {
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nkeynes@1072 | 127 | free( mdev );
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nkeynes@1072 | 128 | }
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nkeynes@1072 | 129 |
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nkeynes@850 | 130 | /**
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nkeynes@850 | 131 | * Input callback
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nkeynes@850 | 132 | */
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nkeynes@850 | 133 | static void lightgun_key_callback( void *mdev, uint32_t value, uint32_t pressure, gboolean isKeyDown )
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nkeynes@850 | 134 | {
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nkeynes@850 | 135 | lightgun_device_t dev = (lightgun_device_t)mdev;
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nkeynes@850 | 136 | if( isKeyDown ) {
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nkeynes@850 | 137 | dev->condition[0] &= ~value;
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nkeynes@850 | 138 | } else {
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nkeynes@850 | 139 | dev->condition[0] |= value;
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nkeynes@850 | 140 | }
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nkeynes@850 | 141 | }
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nkeynes@850 | 142 |
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nkeynes@850 | 143 | static void lightgun_mouse_callback( void *mdev, uint32_t buttons, int32_t x, int32_t y, gboolean absolute )
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nkeynes@850 | 144 | {
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nkeynes@850 | 145 | lightgun_device_t dev = (lightgun_device_t)mdev;
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nkeynes@850 | 146 | if( absolute ) {
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nkeynes@850 | 147 | dev->mouse_x = x;
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nkeynes@850 | 148 | dev->mouse_y = y;
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nkeynes@850 | 149 | if( dev->gun_active ) {
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nkeynes@850 | 150 | pvr2_queue_gun_event( x, y );
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nkeynes@850 | 151 | dev->gun_active = FALSE;
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nkeynes@850 | 152 | }
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nkeynes@850 | 153 | }
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nkeynes@850 | 154 | }
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nkeynes@850 | 155 |
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nkeynes@850 | 156 | /**
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nkeynes@850 | 157 | * Device is being attached to the bus. Go through the config and reserve the
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nkeynes@850 | 158 | * keys we need.
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nkeynes@850 | 159 | */
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nkeynes@850 | 160 | static void lightgun_attach( maple_device_t mdev )
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nkeynes@850 | 161 | {
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nkeynes@850 | 162 | lightgun_device_t dev = (lightgun_device_t)mdev;
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nkeynes@1072 | 163 | dev->config.on_change = input_keygroup_changed;
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nkeynes@1072 | 164 | input_register_keygroup( &dev->config );
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nkeynes@850 | 165 | input_register_mouse_hook( TRUE, lightgun_mouse_callback, dev );
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nkeynes@850 | 166 | }
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nkeynes@850 | 167 |
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nkeynes@850 | 168 | static void lightgun_detach( maple_device_t mdev )
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nkeynes@850 | 169 | {
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nkeynes@850 | 170 | lightgun_device_t dev = (lightgun_device_t)mdev;
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nkeynes@1072 | 171 | input_unregister_keygroup( &dev->config );
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nkeynes@1072 | 172 | dev->config.on_change = NULL;
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nkeynes@850 | 173 | input_unregister_mouse_hook( lightgun_mouse_callback, dev );
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nkeynes@850 | 174 |
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nkeynes@850 | 175 | }
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nkeynes@850 | 176 |
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nkeynes@850 | 177 |
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nkeynes@850 | 178 | static int lightgun_get_cond( maple_device_t mdev, int function, unsigned char *outbuf,
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nkeynes@850 | 179 | unsigned int *outlen )
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nkeynes@850 | 180 | {
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nkeynes@850 | 181 | lightgun_device_t dev = (lightgun_device_t)mdev;
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nkeynes@850 | 182 | if( function == MAPLE_FUNC_CONTROLLER ) {
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nkeynes@850 | 183 | *outlen = 2;
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nkeynes@850 | 184 | memcpy( outbuf, dev->condition, 8 );
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nkeynes@850 | 185 | return 0;
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nkeynes@850 | 186 | } else {
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nkeynes@850 | 187 | return MAPLE_ERR_FUNC_UNSUP;
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nkeynes@850 | 188 | }
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nkeynes@850 | 189 | }
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nkeynes@850 | 190 |
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nkeynes@850 | 191 | static void lightgun_start_gun( maple_device_t mdev )
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nkeynes@850 | 192 | {
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nkeynes@850 | 193 | lightgun_device_t dev = (lightgun_device_t)mdev;
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nkeynes@850 | 194 | if( dev->mouse_x != -1 && dev->mouse_y != -1 ) {
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nkeynes@850 | 195 | pvr2_queue_gun_event( dev->mouse_x, dev->mouse_y );
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nkeynes@850 | 196 | } else {
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nkeynes@850 | 197 | // Wait for a mouse event
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nkeynes@850 | 198 | dev->gun_active = 1;
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nkeynes@850 | 199 | }
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nkeynes@850 | 200 | }
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nkeynes@850 | 201 |
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nkeynes@850 | 202 | static void lightgun_stop_gun( maple_device_t mdev )
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nkeynes@850 | 203 | {
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nkeynes@850 | 204 | lightgun_device_t dev = (lightgun_device_t)mdev;
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nkeynes@850 | 205 | dev->gun_active = 0;
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nkeynes@850 | 206 | event_cancel( EVENT_GUNPOS );
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nkeynes@850 | 207 | }
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