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annotate controller_info.c @ 2218:58774a77f2e0

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Fix crash when rebinding a controller
author Michael Pavone <pavone@retrodev.com>
date Thu, 01 Sep 2022 22:37:25 -0700
parents a8af8d898a7c
children dd9d43c67986
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1 #include <string.h>
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2 #include <stdlib.h>
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3 #include "render.h"
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4 #ifndef USE_FBDEV
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5 #include "render_sdl.h"
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6 #endif
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7 #include "controller_info.h"
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8 #include "config.h"
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9 #include "util.h"
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10 #include "blastem.h"
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11 #include "bindings.h"
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12
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13 typedef struct {
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14 char const *name;
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15 controller_info info;
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16 } heuristic;
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17
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18 static heuristic heuristics[] = {
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19 //TODO: Add more heuristic rules
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20 {"DualShock 4", {.type = TYPE_PSX, .subtype = SUBTYPE_PS4}},
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21 {"PS4", {.type = TYPE_PSX, .subtype = SUBTYPE_PS4}},
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22 {"PS3", {.type = TYPE_PSX, .subtype = SUBTYPE_PS3}},
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23 {"X360", {.type = TYPE_XBOX, .subtype = SUBTYPE_X360}},
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24 {"Xbox 360", {.type = TYPE_XBOX, .subtype = SUBTYPE_X360}},
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25 {"X-box 360", {.type = TYPE_XBOX, .subtype = SUBTYPE_X360}},
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26 {"Xbox One", {.type = TYPE_XBOX, .subtype = SUBTYPE_XBONE}},
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27 {"X-box One", {.type = TYPE_XBOX, .subtype = SUBTYPE_XBONE}},
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28 {"WiiU", {.type = TYPE_NINTENDO, .subtype = SUBTYPE_WIIU}},
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29 {"Wii U", {.type = TYPE_NINTENDO, .subtype = SUBTYPE_WIIU}},
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30 {"Nintendo Switch", {.type = TYPE_NINTENDO, .subtype = SUBTYPE_SWITCH}},
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31 {"Saturn", {.type = TYPE_SEGA, .subtype = SUBTYPE_SATURN}}
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32 };
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33 const uint32_t num_heuristics = sizeof(heuristics)/sizeof(*heuristics);
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34
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35 static tern_node *info_config;
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36 static uint8_t loaded;
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37 static const char *subtype_names[] = {
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38 "unknown",
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39 "xbox",
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40 "xbox 360",
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41 "xbone",
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42 "ps2",
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43 "ps3",
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44 "ps4",
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45 "wiiu",
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46 "switch",
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47 "genesis",
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48 "saturn"
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49 };
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50 static const char *subtype_human_names[] = {
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51 "unknown",
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52 "Xbos",
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53 "Xbox 360",
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54 "Xbox One",
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55 "PS2",
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56 "PS3",
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57 "PS4",
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58 "Wii-U",
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59 "Switch",
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60 "Genesis",
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61 "Saturn"
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62 };
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63 static const char *variant_names[] = {
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64 "normal",
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65 "6b bumpers",
2015
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66 "6b right",
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67 "3button",
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68 "6button",
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69 "8button"
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70 };
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71
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72 static void load_ctype_config(void)
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73 {
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74 if (!loaded) {
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75 info_config = load_overrideable_config("controller_types.cfg", "controller_types.cfg", NULL);
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76 loaded = 1;
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77 }
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78 }
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79
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80 controller_info get_controller_info(int joystick)
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81 {
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82 #ifndef USE_FBDEV
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83 load_ctype_config();
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84 char guid_string[33];
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85 SDL_Joystick *stick = render_get_joystick(joystick);
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86 SDL_GameController *control = render_get_controller(joystick);
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87 SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(stick), guid_string, sizeof(guid_string));
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88 tern_node *info = tern_find_node(info_config, guid_string);
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89 if (info) {
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90 controller_info res;
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91 char *subtype = tern_find_ptr(info, "subtype");
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92 res.subtype = SUBTYPE_UNKNOWN;
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93 if (subtype) {
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94 for (int i = 0; i < SUBTYPE_NUM; i++)
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95 {
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96 if (!strcmp(subtype_names[i], subtype)) {
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97 res.subtype = i;
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98 break;
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99 }
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100 }
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101 }
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102 switch (res.subtype)
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103 {
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104 case SUBTYPE_XBOX:
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105 case SUBTYPE_X360:
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106 case SUBTYPE_XBONE:
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107 res.type = TYPE_XBOX;
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108 break;
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109 case SUBTYPE_PS2:
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110 case SUBTYPE_PS3:
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111 case SUBTYPE_PS4:
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112 res.type = TYPE_PSX;
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113 break;
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114 case SUBTYPE_WIIU:
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diff changeset
115 case SUBTYPE_SWITCH:
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116 res.type = TYPE_NINTENDO;
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diff changeset
117 break;
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diff changeset
118 case SUBTYPE_GENESIS:
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diff changeset
119 case SUBTYPE_SATURN:
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diff changeset
120 res.type = TYPE_SEGA;
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diff changeset
121 break;
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parents: 1597
diff changeset
122 default:
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diff changeset
123 res.type = TYPE_UNKNOWN;
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diff changeset
124 break;
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diff changeset
125 }
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diff changeset
126 char *variant = tern_find_ptr(info, "variant");
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diff changeset
127 res.variant = VARIANT_NORMAL;
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diff changeset
128 if (variant) {
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129 for (int i = 0; i < VARIANT_NUM; i++)
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diff changeset
130 {
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diff changeset
131 if (!strcmp(variant_names[i], variant)) {
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diff changeset
132 res.variant = i;
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diff changeset
133 break;
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diff changeset
134 }
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diff changeset
135 }
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diff changeset
136 }
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diff changeset
137 res.name = control ? SDL_GameControllerName(control) : SDL_JoystickName(stick);
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138 if (control) {
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diff changeset
139 SDL_GameControllerClose(control);
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140 }
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diff changeset
141 return res;
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142 }
1596
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parents:
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143 if (!control) {
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144 return (controller_info) {
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145 .type = TYPE_UNKNOWN,
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146 .subtype = SUBTYPE_UNKNOWN,
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147 .variant = VARIANT_NORMAL,
1599
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148 .name = SDL_JoystickName(stick)
1596
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149 };
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150 }
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151 const char *name = SDL_GameControllerName(control);
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152 SDL_GameControllerClose(control);
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153 for (uint32_t i = 0; i < num_heuristics; i++)
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154 {
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diff changeset
155 if (strstr(name, heuristics[i].name)) {
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diff changeset
156 controller_info res = heuristics[i].info;
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diff changeset
157 res.name = name;
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diff changeset
158 return res;
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diff changeset
159 }
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parents:
diff changeset
160 }
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diff changeset
161 #else
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diff changeset
162 const char *name = "Unknown";
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diff changeset
163 #endif
1596
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diff changeset
164 //default to a 360
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diff changeset
165 return (controller_info){
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diff changeset
166 .type = TYPE_GENERIC_MAPPING,
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diff changeset
167 .subtype = SUBTYPE_UNKNOWN,
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diff changeset
168 .variant = VARIANT_NORMAL,
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diff changeset
169 .name = name
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diff changeset
170 };
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parents:
diff changeset
171 }
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parents:
diff changeset
172
1603
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diff changeset
173 static void mappings_iter(char *key, tern_val val, uint8_t valtype, void *data)
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parents: 1600
diff changeset
174 {
1779
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diff changeset
175 #ifndef USE_FBDEV
1603
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diff changeset
176 if (valtype != TVAL_NODE) {
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diff changeset
177 return;
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diff changeset
178 }
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diff changeset
179 char *mapping = tern_find_ptr(val.ptrval, "mapping");
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parents: 1600
diff changeset
180 if (mapping) {
1604
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diff changeset
181 const char *parts[] = {key, ",", mapping};
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diff changeset
182 char * full = alloc_concat_m(3, parts);
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diff changeset
183 SDL_GameControllerAddMapping(full);
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diff changeset
184 free(full);
1603
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diff changeset
185 }
1779
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diff changeset
186 #endif
1603
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diff changeset
187 }
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diff changeset
188
c0727712d529 Read extral SDL2 mappings on startup from controller_types.cfg
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diff changeset
189 void controller_add_mappings(void)
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diff changeset
190 {
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diff changeset
191 load_ctype_config();
1604
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diff changeset
192 if (info_config) {
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diff changeset
193 tern_foreach(info_config, mappings_iter, NULL);
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diff changeset
194 }
1603
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diff changeset
195 }
c0727712d529 Read extral SDL2 mappings on startup from controller_types.cfg
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diff changeset
196
1599
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diff changeset
197 void save_controller_info(int joystick, controller_info *info)
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diff changeset
198 {
1779
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diff changeset
199 #ifndef USE_FBDEV
1599
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diff changeset
200 char guid_string[33];
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diff changeset
201 SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(render_get_joystick(joystick)), guid_string, sizeof(guid_string));
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diff changeset
202 tern_node *existing = tern_find_node(info_config, guid_string);
1859
52f136052ab0 Allow changing SDL2 mapping and controller type after initial configuration
Michael Pavone <pavone@retrodev.com>
parents: 1852
diff changeset
203 existing = tern_insert_ptr(existing, "subtype", strdup(subtype_names[info->subtype]));
52f136052ab0 Allow changing SDL2 mapping and controller type after initial configuration
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parents: 1852
diff changeset
204 existing = tern_insert_ptr(existing, "variant", strdup(variant_names[info->variant]));
1599
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diff changeset
205 info_config = tern_insert_node(info_config, guid_string, existing);
1852
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
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parents: 1779
diff changeset
206 persist_config_at(config, info_config, "controller_types.cfg");
1861
fc05f49075c2 Reprocess bindings when SDL2 mappings, controller types or controller order change
Michael Pavone <pavone@retrodev.com>
parents: 1859
diff changeset
207 handle_joy_added(joystick);
2215
a8af8d898a7c Fix windows build for real
Michael Pavone <pavone@retrodev.com>
parents: 2018
diff changeset
208 #endif
1599
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diff changeset
209 }
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diff changeset
210
1600
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Michael Pavone <pavone@retrodev.com>
parents: 1599
diff changeset
211 void save_controller_mapping(int joystick, char *mapping_string)
7f39c40b4b25 WIP UI for creating an SDL2 mapping for controllers that don't have one
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parents: 1599
diff changeset
212 {
1779
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Michael Pavone <pavone@retrodev.com>
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diff changeset
213 #ifndef USE_FBDEV
1600
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diff changeset
214 char guid_string[33];
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parents: 1599
diff changeset
215 SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(render_get_joystick(joystick)), guid_string, sizeof(guid_string));
7f39c40b4b25 WIP UI for creating an SDL2 mapping for controllers that don't have one
Michael Pavone <pavone@retrodev.com>
parents: 1599
diff changeset
216 tern_node *existing = tern_find_node(info_config, guid_string);
2218
58774a77f2e0 Fix crash when rebinding a controller
Michael Pavone <pavone@retrodev.com>
parents: 2215
diff changeset
217 existing = tern_insert_ptr(existing, "mapping", strdup(mapping_string));
1600
7f39c40b4b25 WIP UI for creating an SDL2 mapping for controllers that don't have one
Michael Pavone <pavone@retrodev.com>
parents: 1599
diff changeset
218 info_config = tern_insert_node(info_config, guid_string, existing);
1852
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1779
diff changeset
219 persist_config_at(config, info_config, "controller_types.cfg");
1861
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parents: 1859
diff changeset
220 const char *parts[] = {guid_string, ",", mapping_string};
fc05f49075c2 Reprocess bindings when SDL2 mappings, controller types or controller order change
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parents: 1859
diff changeset
221 char * full = alloc_concat_m(3, parts);
fc05f49075c2 Reprocess bindings when SDL2 mappings, controller types or controller order change
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parents: 1859
diff changeset
222 SDL_GameControllerAddMapping(full);
fc05f49075c2 Reprocess bindings when SDL2 mappings, controller types or controller order change
Michael Pavone <pavone@retrodev.com>
parents: 1859
diff changeset
223 free(full);
fc05f49075c2 Reprocess bindings when SDL2 mappings, controller types or controller order change
Michael Pavone <pavone@retrodev.com>
parents: 1859
diff changeset
224 handle_joy_added(joystick);
1779
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Michael Pavone <pavone@retrodev.com>
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diff changeset
225 #endif
1600
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Michael Pavone <pavone@retrodev.com>
parents: 1599
diff changeset
226 }
7f39c40b4b25 WIP UI for creating an SDL2 mapping for controllers that don't have one
Michael Pavone <pavone@retrodev.com>
parents: 1599
diff changeset
227
2018
193b804c9845 Add a UI button to reset config to defaults
Michael Pavone <pavone@retrodev.com>
parents: 2015
diff changeset
228 void delete_controller_info(void)
193b804c9845 Add a UI button to reset config to defaults
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parents: 2015
diff changeset
229 {
193b804c9845 Add a UI button to reset config to defaults
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parents: 2015
diff changeset
230 delete_custom_config_at("controller_types.cfg");
193b804c9845 Add a UI button to reset config to defaults
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parents: 2015
diff changeset
231 loaded = 0;
193b804c9845 Add a UI button to reset config to defaults
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parents: 2015
diff changeset
232 tern_free(info_config);
193b804c9845 Add a UI button to reset config to defaults
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diff changeset
233 info_config = NULL;
193b804c9845 Add a UI button to reset config to defaults
Michael Pavone <pavone@retrodev.com>
parents: 2015
diff changeset
234 render_reset_mappings();
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diff changeset
235 }
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236
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237 char const *labels_xbox[] = {
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238 "A", "B", "X", "Y", "Back", NULL, "Start", "Click", "Click", "White", "Black", "LT", "RT"
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239 };
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240 char const *labels_360[] = {
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241 "A", "B", "X", "Y", "Back", "Xbox", "Start", "Click", "Click", "LB", "RB", "LT", "RT"
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242 };
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243 static char const *labels_xbone[] = {
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244 "A", "B", "X", "Y", "View", "Xbox", "Menu", "Click", "Click", "LB", "RB", "LT", "RT"
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245 };
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246 static char const *labels_ps3[] = {
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247 "cross", "circle", "square", "triangle", "Select", "PS", "Start", "L3", "R3", "L1", "R1", "L2", "R2"
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248 };
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249 static char const *labels_ps4[] = {
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250 "cross", "circle", "square", "triangle", "Share", "PS", "Options", "L3", "R3", "L1", "R1", "L2", "R2"
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251 };
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252 static char const *labels_nintendo[] = {
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253 "B", "A", "Y", "X", "-", "Home", "+", "Click", "Click", "L", "R", "ZL", "ZR"
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254 };
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255 static char const *labels_genesis[] = {
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256 "A", "B", "X", "Y", NULL, NULL, "Start", NULL, NULL, "Z", "C", NULL, "Mode"
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257 };
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258 static char const *labels_genesis_3button[] = {
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259 "A", "B", NULL, NULL, NULL, NULL, "Start", NULL, NULL, NULL, "C", NULL, "Mode"
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260 };
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261 static char const *labels_genesis_8button[] = {
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262 "A", "B", "X", "Y", "Mode", NULL, "Start", NULL, NULL, "Z", "C", "L", "R"
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263 };
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264 static char const *labels_saturn[] = {
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265 "A", "B", "X", "Y", NULL, NULL, "Start", NULL, NULL, "Z", "C", "LT", "RT"
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266 };
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267
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268 static const char** label_source(controller_info *info)
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269 {
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270 if (info->type == TYPE_UNKNOWN || info->type == TYPE_GENERIC_MAPPING || info->subtype ==SUBTYPE_X360) {
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271 return labels_360;
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272 } else if (info->type == TYPE_NINTENDO) {
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273 return labels_nintendo;
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274 } else if (info->type == TYPE_PSX) {
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275 if (info->subtype == SUBTYPE_PS4) {
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276 return labels_ps4;
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277 } else {
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278 return labels_ps3;
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279 }
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280 } else if (info->type == TYPE_XBOX) {
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281 if (info->subtype == SUBTYPE_XBONE) {
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282 return labels_xbone;
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283 } else {
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284 return labels_xbox;
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285 }
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286 } else {
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287 if (info->subtype == SUBTYPE_GENESIS) {
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288 if (info->variant == VARIANT_8BUTTON) {
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289 return labels_genesis_8button;
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290 } else if (info->variant == VARIANT_3BUTTON) {
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291 return labels_genesis_3button;
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292 } else {
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293 return labels_genesis;
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294 }
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295 } else {
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296 return labels_saturn;
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297 }
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298 }
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299 }
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300
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301 const char *get_button_label(controller_info *info, int button)
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302 {
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303 #ifndef USE_FBDEV
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304 if (button >= SDL_CONTROLLER_BUTTON_DPAD_UP) {
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305 static char const * dirs[] = {"Up", "Down", "Left", "Right"};
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306 return dirs[button - SDL_CONTROLLER_BUTTON_DPAD_UP];
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307 }
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308 #endif
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309 return label_source(info)[button];
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310 }
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311
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312 static char const *axis_labels[] = {
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313 "Left X", "Left Y", "Right X", "Right Y"
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314 };
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315 const char *get_axis_label(controller_info *info, int axis)
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316 {
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317 #ifndef USE_FBDEV
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318 if (axis < SDL_CONTROLLER_AXIS_TRIGGERLEFT) {
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319 return axis_labels[axis];
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320 } else {
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321 return label_source(info)[axis - SDL_CONTROLLER_AXIS_TRIGGERLEFT + SDL_CONTROLLER_BUTTON_RIGHTSHOULDER + 1];
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322 }
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diff changeset
323 #else
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324 return NULL;
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325 #endif
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326 }
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327
1608
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diff changeset
328 char *make_controller_type_key(controller_info *info)
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diff changeset
329 {
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330 const char *subtype;
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331 if (info->subtype == SUBTYPE_UNKNOWN) {
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diff changeset
332 switch(info->type)
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333 {
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334 case TYPE_XBOX:
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335 subtype = subtype_names[SUBTYPE_X360];
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336 break;
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337 case TYPE_PSX:
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diff changeset
338 subtype = subtype_names[SUBTYPE_PS4];
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339 break;
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340 case TYPE_NINTENDO:
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341 subtype = subtype_names[SUBTYPE_SWITCH];
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diff changeset
342 break;
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343 default:
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344 subtype = "unknown";
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345 }
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346 } else {
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347 subtype = subtype_names[info->subtype];
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348 }
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349 const char *variant = variant_names[info->variant];
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350 const char *parts[] = {subtype, "_", variant};
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351 char *ret = alloc_concat_m(3, parts);
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diff changeset
352 for (char *cur = ret; *cur; cur++)
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diff changeset
353 {
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diff changeset
354 if (*cur == ' ')
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diff changeset
355 {
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diff changeset
356 *cur = '_';
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diff changeset
357 }
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parents: 1604
diff changeset
358 }
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diff changeset
359 return ret;
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parents: 1604
diff changeset
360 }
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parents: 1604
diff changeset
361
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362 char *make_human_readable_type_name(controller_info *info)
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363 {
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364 const char *base = subtype_human_names[info->subtype];
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365 char *prefix;
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366 if (info->variant == VARIANT_NORMAL) {
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367 prefix = "Normal ";
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368 } else {
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diff changeset
369 static const char *parts[] = {"6 button (", NULL, "/", NULL, ") "};
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diff changeset
370 #ifdef USE_FBDEV
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371 parts[1] = parts[3] = "??";
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diff changeset
372 #else
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373 if (info->variant == VARIANT_6B_BUMPERS) {
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374 parts[1] = get_button_label(info, SDL_CONTROLLER_BUTTON_LEFTSHOULDER);
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375 parts[3] = get_button_label(info, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER);
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376 } else {
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diff changeset
377 parts[1] = get_button_label(info, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER);
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diff changeset
378 parts[3] = get_axis_label(info, SDL_CONTROLLER_AXIS_TRIGGERRIGHT);
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diff changeset
379 }
1779
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parents: 1645
diff changeset
380 #endif
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diff changeset
381 prefix = alloc_concat_m(5, parts);
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diff changeset
382 }
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diff changeset
383 char *ret = alloc_concat(prefix, base);
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parents: 1608
diff changeset
384 if (info->variant != VARIANT_NORMAL) {
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diff changeset
385 free(prefix);
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diff changeset
386 }
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diff changeset
387 return ret;
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diff changeset
388 }
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parents: 1608
diff changeset
389