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annotate controller_info.c @ 1859:52f136052ab0

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Allow changing SDL2 mapping and controller type after initial configuration
author Michael Pavone <pavone@retrodev.com>
date Fri, 03 May 2019 18:33:26 -0700
parents a4cae960fd08
children fc05f49075c2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #include <string.h>
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2 #include <stdlib.h>
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3 #ifndef USE_FBDEV
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4 #include "render_sdl.h"
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5 #endif
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6 #include "controller_info.h"
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7 #include "config.h"
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8 #include "util.h"
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9 #include "blastem.h"
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10
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11 typedef struct {
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12 char const *name;
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13 controller_info info;
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14 } heuristic;
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15
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16 static heuristic heuristics[] = {
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17 //TODO: Add more heuristic rules
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18 {"DualShock 4", {.type = TYPE_PSX, .subtype = SUBTYPE_PS4}},
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19 {"PS4", {.type = TYPE_PSX, .subtype = SUBTYPE_PS4}},
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20 {"PS3", {.type = TYPE_PSX, .subtype = SUBTYPE_PS3}},
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21 {"X360", {.type = TYPE_XBOX, .subtype = SUBTYPE_X360}},
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22 {"Xbox 360", {.type = TYPE_XBOX, .subtype = SUBTYPE_X360}},
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23 {"X-box 360", {.type = TYPE_XBOX, .subtype = SUBTYPE_X360}},
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24 {"Xbox One", {.type = TYPE_XBOX, .subtype = SUBTYPE_XBONE}},
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25 {"X-box One", {.type = TYPE_XBOX, .subtype = SUBTYPE_XBONE}},
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26 {"WiiU", {.type = TYPE_NINTENDO, .subtype = SUBTYPE_WIIU}},
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27 {"Wii U", {.type = TYPE_NINTENDO, .subtype = SUBTYPE_WIIU}},
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28 {"Nintendo Switch", {.type = TYPE_NINTENDO, .subtype = SUBTYPE_SWITCH}},
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29 {"Saturn", {.type = TYPE_SEGA, .subtype = SUBTYPE_SATURN}}
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30 };
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31 const uint32_t num_heuristics = sizeof(heuristics)/sizeof(*heuristics);
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32
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33 static tern_node *info_config;
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34 static uint8_t loaded;
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35 static const char *subtype_names[] = {
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36 "unknown",
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37 "xbox",
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38 "xbox 360",
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39 "xbone",
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40 "ps2",
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41 "ps3",
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42 "ps4",
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43 "wiiu",
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44 "switch",
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45 "genesis",
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46 "saturn"
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47 };
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48 static const char *subtype_human_names[] = {
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49 "unknown",
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50 "Xbos",
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51 "Xbox 360",
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52 "Xbox One",
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53 "PS2",
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54 "PS3",
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55 "PS4",
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56 "Wii-U",
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57 "Switch",
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58 "Genesis",
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59 "Saturn"
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60 };
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61 static const char *variant_names[] = {
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62 "normal",
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63 "6b bumpers",
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64 "6b right"
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65 };
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66
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67 static void load_ctype_config(void)
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68 {
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69 if (!loaded) {
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70 info_config = load_overrideable_config("controller_types.cfg", "controller_types.cfg", NULL);
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71 loaded = 1;
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72 }
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73 }
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74
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75 controller_info get_controller_info(int joystick)
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76 {
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77 #ifndef USE_FBDEV
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78 load_ctype_config();
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79 char guid_string[33];
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80 SDL_Joystick *stick = render_get_joystick(joystick);
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81 SDL_GameController *control = render_get_controller(joystick);
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82 SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(stick), guid_string, sizeof(guid_string));
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83 tern_node *info = tern_find_node(info_config, guid_string);
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84 if (info) {
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85 controller_info res;
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86 char *subtype = tern_find_ptr(info, "subtype");
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87 res.subtype = SUBTYPE_UNKNOWN;
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88 if (subtype) {
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89 for (int i = 0; i < SUBTYPE_NUM; i++)
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90 {
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91 if (!strcmp(subtype_names[i], subtype)) {
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92 res.subtype = i;
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93 break;
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94 }
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95 }
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96 }
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97 switch (res.subtype)
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98 {
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99 case SUBTYPE_XBOX:
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100 case SUBTYPE_X360:
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101 case SUBTYPE_XBONE:
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102 res.type = TYPE_XBOX;
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103 break;
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104 case SUBTYPE_PS2:
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105 case SUBTYPE_PS3:
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106 case SUBTYPE_PS4:
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107 res.type = TYPE_PSX;
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108 break;
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109 case SUBTYPE_WIIU:
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110 case SUBTYPE_SWITCH:
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111 res.type = TYPE_NINTENDO;
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112 break;
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113 case SUBTYPE_GENESIS:
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diff changeset
114 case SUBTYPE_SATURN:
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115 res.type = TYPE_SEGA;
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116 break;
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117 default:
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118 res.type = TYPE_UNKNOWN;
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119 break;
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diff changeset
120 }
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diff changeset
121 char *variant = tern_find_ptr(info, "variant");
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122 res.variant = VARIANT_NORMAL;
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diff changeset
123 if (variant) {
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124 for (int i = 0; i < VARIANT_NUM; i++)
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diff changeset
125 {
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diff changeset
126 if (!strcmp(variant_names[i], variant)) {
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127 res.variant = i;
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diff changeset
128 break;
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129 }
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130 }
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131 }
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132 res.name = control ? SDL_GameControllerName(control) : SDL_JoystickName(stick);
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133 if (control) {
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134 SDL_GameControllerClose(control);
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135 }
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136 return res;
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137 }
1596
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138 if (!control) {
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139 return (controller_info) {
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140 .type = TYPE_UNKNOWN,
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141 .subtype = SUBTYPE_UNKNOWN,
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142 .variant = VARIANT_NORMAL,
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143 .name = SDL_JoystickName(stick)
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144 };
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145 }
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146 const char *name = SDL_GameControllerName(control);
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147 SDL_GameControllerClose(control);
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148 for (uint32_t i = 0; i < num_heuristics; i++)
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149 {
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150 if (strstr(name, heuristics[i].name)) {
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151 controller_info res = heuristics[i].info;
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152 res.name = name;
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153 return res;
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154 }
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155 }
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156 #else
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157 const char *name = "Unknown";
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158 #endif
1596
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159 //default to a 360
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160 return (controller_info){
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161 .type = TYPE_GENERIC_MAPPING,
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162 .subtype = SUBTYPE_UNKNOWN,
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163 .variant = VARIANT_NORMAL,
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164 .name = name
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165 };
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diff changeset
166 }
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diff changeset
167
1603
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diff changeset
168 static void mappings_iter(char *key, tern_val val, uint8_t valtype, void *data)
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diff changeset
169 {
1779
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diff changeset
170 #ifndef USE_FBDEV
1603
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diff changeset
171 if (valtype != TVAL_NODE) {
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diff changeset
172 return;
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diff changeset
173 }
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diff changeset
174 char *mapping = tern_find_ptr(val.ptrval, "mapping");
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diff changeset
175 if (mapping) {
1604
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diff changeset
176 const char *parts[] = {key, ",", mapping};
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diff changeset
177 char * full = alloc_concat_m(3, parts);
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diff changeset
178 SDL_GameControllerAddMapping(full);
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diff changeset
179 free(full);
1603
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diff changeset
180 }
1779
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diff changeset
181 #endif
1603
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diff changeset
182 }
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diff changeset
183
c0727712d529 Read extral SDL2 mappings on startup from controller_types.cfg
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diff changeset
184 void controller_add_mappings(void)
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diff changeset
185 {
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diff changeset
186 load_ctype_config();
1604
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diff changeset
187 if (info_config) {
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diff changeset
188 tern_foreach(info_config, mappings_iter, NULL);
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diff changeset
189 }
1603
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diff changeset
190 }
c0727712d529 Read extral SDL2 mappings on startup from controller_types.cfg
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diff changeset
191
1599
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diff changeset
192 void save_controller_info(int joystick, controller_info *info)
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diff changeset
193 {
1779
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diff changeset
194 #ifndef USE_FBDEV
1599
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diff changeset
195 char guid_string[33];
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196 SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(render_get_joystick(joystick)), guid_string, sizeof(guid_string));
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diff changeset
197 tern_node *existing = tern_find_node(info_config, guid_string);
1859
52f136052ab0 Allow changing SDL2 mapping and controller type after initial configuration
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parents: 1852
diff changeset
198 existing = tern_insert_ptr(existing, "subtype", strdup(subtype_names[info->subtype]));
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diff changeset
199 existing = tern_insert_ptr(existing, "variant", strdup(variant_names[info->variant]));
1599
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diff changeset
200 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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diff changeset
201 persist_config_at(config, info_config, "controller_types.cfg");
1779
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diff changeset
202 #endif
1599
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diff changeset
203 }
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diff changeset
204
1600
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diff changeset
205 void save_controller_mapping(int joystick, char *mapping_string)
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diff changeset
206 {
1779
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diff changeset
207 #ifndef USE_FBDEV
1600
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diff changeset
208 char guid_string[33];
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diff changeset
209 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
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diff changeset
210 tern_node *existing = tern_find_node(info_config, guid_string);
7f39c40b4b25 WIP UI for creating an SDL2 mapping for controllers that don't have one
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parents: 1599
diff changeset
211 existing = tern_insert_ptr(existing, "mapping", mapping_string);
7f39c40b4b25 WIP UI for creating an SDL2 mapping for controllers that don't have one
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diff changeset
212 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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diff changeset
213 persist_config_at(config, info_config, "controller_types.cfg");
1779
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diff changeset
214 #endif
1600
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diff changeset
215 }
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diff changeset
216
1596
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diff changeset
217 char const *labels_xbox[] = {
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diff changeset
218 "A", "B", "X", "Y", "Back", NULL, "Start", "Click", "Click", "White", "Black", "LT", "RT"
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diff changeset
219 };
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diff changeset
220 char const *labels_360[] = {
1597
75aa418d0227 Use better names for "Guide" button on PS and Xbox controllers, handle d-pad directions in get_button_label
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diff changeset
221 "A", "B", "X", "Y", "Back", "Xbox", "Start", "Click", "Click", "LB", "RB", "LT", "RT"
1596
437e80a700aa Initial heuristics for detecting controller types and showing different labels in UI. Modified controller settings view to first display a list of controllers, only showing mapping after selecting controller
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diff changeset
222 };
437e80a700aa Initial heuristics for detecting controller types and showing different labels in UI. Modified controller settings view to first display a list of controllers, only showing mapping after selecting controller
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diff changeset
223 static char const *labels_xbone[] = {
1597
75aa418d0227 Use better names for "Guide" button on PS and Xbox controllers, handle d-pad directions in get_button_label
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parents: 1596
diff changeset
224 "A", "B", "X", "Y", "View", "Xbox", "Menu", "Click", "Click", "LB", "RB", "LT", "RT"
1596
437e80a700aa Initial heuristics for detecting controller types and showing different labels in UI. Modified controller settings view to first display a list of controllers, only showing mapping after selecting controller
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diff changeset
225 };
437e80a700aa Initial heuristics for detecting controller types and showing different labels in UI. Modified controller settings view to first display a list of controllers, only showing mapping after selecting controller
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parents:
diff changeset
226 static char const *labels_ps3[] = {
1597
75aa418d0227 Use better names for "Guide" button on PS and Xbox controllers, handle d-pad directions in get_button_label
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diff changeset
227 "cross", "circle", "square", "triangle", "Select", "PS", "Start", "L3", "R3", "L1", "R1", "L2", "R2"
1596
437e80a700aa Initial heuristics for detecting controller types and showing different labels in UI. Modified controller settings view to first display a list of controllers, only showing mapping after selecting controller
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parents:
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228 };
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229 static char const *labels_ps4[] = {
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230 "cross", "circle", "square", "triangle", "Share", "PS", "Options", "L3", "R3", "L1", "R1", "L2", "R2"
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231 };
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232 static char const *labels_nintendo[] = {
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233 "B", "A", "Y", "X", "-", "Home", "+", "Click", "Click", "L", "R", "ZL", "ZR"
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234 };
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235 static char const *labels_genesis[] = {
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236 "A", "B", "X", "Y", NULL, NULL, "Start", NULL, NULL, "Z", "C", NULL, "Mode"
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237 };
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238 static char const *labels_saturn[] = {
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239 "A", "B", "X", "Y", NULL, NULL, "Start", NULL, NULL, "Z", "C", "LT", "RT"
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240 };
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241
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242 static const char** label_source(controller_info *info)
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243 {
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244 if (info->type == TYPE_UNKNOWN || info->type == TYPE_GENERIC_MAPPING || info->subtype ==SUBTYPE_X360) {
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245 return labels_360;
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246 } else if (info->type == TYPE_NINTENDO) {
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247 return labels_nintendo;
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248 } else if (info->type == TYPE_PSX) {
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249 if (info->subtype == SUBTYPE_PS4) {
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250 return labels_ps4;
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251 } else {
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252 return labels_ps3;
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253 }
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254 } else if (info->type == TYPE_XBOX) {
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255 if (info->subtype == SUBTYPE_XBONE) {
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256 return labels_xbone;
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257 } else {
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258 return labels_xbox;
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259 }
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260 } else {
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261 if (info->subtype == SUBTYPE_GENESIS) {
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262 return labels_genesis;
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263 } else {
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264 return labels_saturn;
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265 }
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266 }
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267 }
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268
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269 const char *get_button_label(controller_info *info, int button)
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270 {
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271 #ifndef USE_FBDEV
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272 if (button >= SDL_CONTROLLER_BUTTON_DPAD_UP) {
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273 static char const * dirs[] = {"Up", "Down", "Left", "Right"};
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274 return dirs[button - SDL_CONTROLLER_BUTTON_DPAD_UP];
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275 }
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276 #endif
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277 return label_source(info)[button];
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278 }
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279
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280 static char const *axis_labels[] = {
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281 "Left X", "Left Y", "Right X", "Right Y"
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282 };
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283 const char *get_axis_label(controller_info *info, int axis)
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284 {
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285 #ifndef USE_FBDEV
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286 if (axis < SDL_CONTROLLER_AXIS_TRIGGERLEFT) {
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287 return axis_labels[axis];
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288 } else {
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289 return label_source(info)[axis - SDL_CONTROLLER_AXIS_TRIGGERLEFT + SDL_CONTROLLER_BUTTON_RIGHTSHOULDER + 1];
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290 }
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291 #else
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292 return NULL;
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293 #endif
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294 }
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295
1608
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296 char *make_controller_type_key(controller_info *info)
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297 {
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298 const char *subtype;
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299 if (info->subtype == SUBTYPE_UNKNOWN) {
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300 switch(info->type)
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301 {
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302 case TYPE_XBOX:
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303 subtype = subtype_names[SUBTYPE_X360];
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304 break;
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305 case TYPE_PSX:
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306 subtype = subtype_names[SUBTYPE_PS4];
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307 break;
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308 case TYPE_NINTENDO:
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309 subtype = subtype_names[SUBTYPE_SWITCH];
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310 break;
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311 default:
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312 subtype = "unknown";
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313 }
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314 } else {
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diff changeset
315 subtype = subtype_names[info->subtype];
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316 }
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diff changeset
317 const char *variant = variant_names[info->variant];
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diff changeset
318 const char *parts[] = {subtype, "_", variant};
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diff changeset
319 char *ret = alloc_concat_m(3, parts);
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diff changeset
320 for (char *cur = ret; *cur; cur++)
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diff changeset
321 {
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322 if (*cur == ' ')
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diff changeset
323 {
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diff changeset
324 *cur = '_';
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325 }
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diff changeset
326 }
419a0a133b5c Allow a gamepad mapping to apply to all controllers, controllers of a particular type (i.e.e 6-button PS4 controllers) or specific controllers (based on SDL2 GUID) in addition to the controller in a certain slot
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parents: 1604
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327 return ret;
419a0a133b5c Allow a gamepad mapping to apply to all controllers, controllers of a particular type (i.e.e 6-button PS4 controllers) or specific controllers (based on SDL2 GUID) in addition to the controller in a certain slot
Michael Pavone <pavone@retrodev.com>
parents: 1604
diff changeset
328 }
419a0a133b5c Allow a gamepad mapping to apply to all controllers, controllers of a particular type (i.e.e 6-button PS4 controllers) or specific controllers (based on SDL2 GUID) in addition to the controller in a certain slot
Michael Pavone <pavone@retrodev.com>
parents: 1604
diff changeset
329
1645
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parents: 1608
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330 char *make_human_readable_type_name(controller_info *info)
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parents: 1608
diff changeset
331 {
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parents: 1608
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332 const char *base = subtype_human_names[info->subtype];
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parents: 1608
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333 char *prefix;
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parents: 1608
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334 if (info->variant == VARIANT_NORMAL) {
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parents: 1608
diff changeset
335 prefix = "Normal ";
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parents: 1608
diff changeset
336 } else {
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parents: 1608
diff changeset
337 static const char *parts[] = {"6 button (", NULL, "/", NULL, ") "};
1779
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parents: 1645
diff changeset
338 #ifdef USE_FBDEV
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parents: 1645
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339 parts[1] = parts[3] = "??";
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parents: 1645
diff changeset
340 #else
1645
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parents: 1608
diff changeset
341 if (info->variant == VARIANT_6B_BUMPERS) {
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parents: 1608
diff changeset
342 parts[1] = get_button_label(info, SDL_CONTROLLER_BUTTON_LEFTSHOULDER);
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parents: 1608
diff changeset
343 parts[3] = get_button_label(info, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER);
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parents: 1608
diff changeset
344 } else {
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Michael Pavone <pavone@retrodev.com>
parents: 1608
diff changeset
345 parts[1] = get_button_label(info, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER);
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parents: 1608
diff changeset
346 parts[3] = get_axis_label(info, SDL_CONTROLLER_AXIS_TRIGGERRIGHT);
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Michael Pavone <pavone@retrodev.com>
parents: 1608
diff changeset
347 }
1779
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend
Michael Pavone <pavone@retrodev.com>
parents: 1645
diff changeset
348 #endif
1645
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parents: 1608
diff changeset
349 prefix = alloc_concat_m(5, parts);
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parents: 1608
diff changeset
350 }
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parents: 1608
diff changeset
351 char *ret = alloc_concat(prefix, base);
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parents: 1608
diff changeset
352 if (info->variant != VARIANT_NORMAL) {
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Michael Pavone <pavone@retrodev.com>
parents: 1608
diff changeset
353 free(prefix);
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parents: 1608
diff changeset
354 }
84ef1eb2c96a Added code for actually saving new controller bindings to an appropriate key in the config file
Michael Pavone <pavone@retrodev.com>
parents: 1608
diff changeset
355 return ret;
84ef1eb2c96a Added code for actually saving new controller bindings to an appropriate key in the config file
Michael Pavone <pavone@retrodev.com>
parents: 1608
diff changeset
356 }
84ef1eb2c96a Added code for actually saving new controller bindings to an appropriate key in the config file
Michael Pavone <pavone@retrodev.com>
parents: 1608
diff changeset
357