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annotate controller_info.c @ 1637:95880d947257

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Fix for VRAM byte write order broke VDP FIFO testing ROM results. This change cleans up VRAM writes and fixes the regression while preserving the correct VRAM byte write order
author Michael Pavone <pavone@retrodev.com>
date Sun, 11 Nov 2018 22:39:29 -0800
parents 419a0a133b5c
children 84ef1eb2c96a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #include <string.h>
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2 #include "render_sdl.h"
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3 #include "controller_info.h"
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4 #include "config.h"
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5 #include "util.h"
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6
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7 typedef struct {
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8 char const *name;
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9 controller_info info;
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10 } heuristic;
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11
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12 static heuristic heuristics[] = {
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13 //TODO: Add more heuristic rules
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14 {"DualShock 4", {.type = TYPE_PSX, .subtype = SUBTYPE_PS4}},
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15 {"PS4", {.type = TYPE_PSX, .subtype = SUBTYPE_PS4}},
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16 {"PS3", {.type = TYPE_PSX, .subtype = SUBTYPE_PS3}},
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17 {"X360", {.type = TYPE_XBOX, .subtype = SUBTYPE_X360}},
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18 {"Xbox 360", {.type = TYPE_XBOX, .subtype = SUBTYPE_X360}},
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19 {"X-box 360", {.type = TYPE_XBOX, .subtype = SUBTYPE_X360}},
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20 {"Xbox One", {.type = TYPE_XBOX, .subtype = SUBTYPE_XBONE}},
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21 {"X-box One", {.type = TYPE_XBOX, .subtype = SUBTYPE_XBONE}},
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22 {"WiiU", {.type = TYPE_NINTENDO, .subtype = SUBTYPE_WIIU}},
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23 {"Wii U", {.type = TYPE_NINTENDO, .subtype = SUBTYPE_WIIU}},
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24 {"Nintendo Switch", {.type = TYPE_NINTENDO, .subtype = SUBTYPE_SWITCH}},
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25 {"Saturn", {.type = TYPE_SEGA, .subtype = SUBTYPE_SATURN}}
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26 };
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27 const uint32_t num_heuristics = sizeof(heuristics)/sizeof(*heuristics);
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28
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29 static tern_node *info_config;
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30 static uint8_t loaded;
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31 static const char *subtype_names[] = {
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32 "unknown",
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33 "xbox",
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34 "xbox 360",
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35 "xbone",
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36 "ps2",
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37 "ps3",
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38 "ps4",
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39 "wiiu",
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40 "switch",
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41 "genesis",
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42 "saturn"
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43 };
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44 static const char *variant_names[] = {
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45 "normal",
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46 "6b bumpers",
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47 "6b right"
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48 };
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49
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50 static void load_ctype_config(void)
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51 {
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52 if (!loaded) {
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53 info_config = load_overrideable_config("controller_types.cfg", "controller_types.cfg");
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54 loaded = 1;
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55 }
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56 }
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57
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58 controller_info get_controller_info(int joystick)
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59 {
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60 load_ctype_config();
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61 char guid_string[33];
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62 SDL_Joystick *stick = render_get_joystick(joystick);
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63 SDL_GameController *control = render_get_controller(joystick);
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64 SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(stick), guid_string, sizeof(guid_string));
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65 tern_node *info = tern_find_node(info_config, guid_string);
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66 if (info) {
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67 controller_info res;
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68 char *subtype = tern_find_ptr(info, "subtype");
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69 res.subtype = SUBTYPE_UNKNOWN;
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70 if (subtype) {
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71 for (int i = 0; i < SUBTYPE_NUM; i++)
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72 {
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73 if (!strcmp(subtype_names[i], subtype)) {
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74 res.subtype = i;
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75 break;
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76 }
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77 }
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78 }
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79 switch (res.subtype)
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80 {
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81 case SUBTYPE_XBOX:
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82 case SUBTYPE_X360:
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83 case SUBTYPE_XBONE:
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84 res.type = TYPE_XBOX;
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85 break;
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86 case SUBTYPE_PS2:
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87 case SUBTYPE_PS3:
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88 case SUBTYPE_PS4:
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89 res.type = TYPE_PSX;
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90 break;
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91 case SUBTYPE_WIIU:
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92 case SUBTYPE_SWITCH:
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93 res.type = TYPE_NINTENDO;
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94 break;
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95 case SUBTYPE_GENESIS:
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96 case SUBTYPE_SATURN:
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97 res.type = TYPE_SEGA;
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98 break;
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99 default:
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100 res.type = TYPE_UNKNOWN;
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101 break;
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102 }
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103 char *variant = tern_find_ptr(info, "variant");
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104 res.variant = VARIANT_NORMAL;
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105 if (variant) {
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106 for (int i = 0; i < VARIANT_NUM; i++)
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107 {
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108 if (!strcmp(variant_names[i], variant)) {
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109 res.variant = i;
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110 break;
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111 }
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112 }
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113 }
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114 res.name = control ? SDL_GameControllerName(control) : SDL_JoystickName(stick);
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115 if (control) {
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116 SDL_GameControllerClose(control);
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117 }
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118 return res;
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119 }
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120 if (!control) {
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121 return (controller_info) {
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122 .type = TYPE_UNKNOWN,
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123 .subtype = SUBTYPE_UNKNOWN,
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124 .variant = VARIANT_NORMAL,
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125 .name = SDL_JoystickName(stick)
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126 };
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127 }
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128 const char *name = SDL_GameControllerName(control);
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129 SDL_GameControllerClose(control);
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130 for (uint32_t i = 0; i < num_heuristics; i++)
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131 {
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132 if (strstr(name, heuristics[i].name)) {
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133 controller_info res = heuristics[i].info;
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134 res.name = name;
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135 return res;
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136 }
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137 }
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138 //default to a 360
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139 return (controller_info){
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140 .type = TYPE_GENERIC_MAPPING,
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141 .subtype = SUBTYPE_UNKNOWN,
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142 .variant = VARIANT_NORMAL,
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143 .name = name
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144 };
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145 }
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146
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147 static void mappings_iter(char *key, tern_val val, uint8_t valtype, void *data)
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148 {
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149 if (valtype != TVAL_NODE) {
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150 return;
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151 }
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152 char *mapping = tern_find_ptr(val.ptrval, "mapping");
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153 if (mapping) {
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154 const char *parts[] = {key, ",", mapping};
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155 char * full = alloc_concat_m(3, parts);
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156 SDL_GameControllerAddMapping(full);
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157 free(full);
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158 }
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159 }
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160
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161 void controller_add_mappings(void)
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162 {
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163 load_ctype_config();
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164 if (info_config) {
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165 tern_foreach(info_config, mappings_iter, NULL);
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166 }
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167 }
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168
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169 void save_controller_info(int joystick, controller_info *info)
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170 {
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171 char guid_string[33];
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172 SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(render_get_joystick(joystick)), guid_string, sizeof(guid_string));
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173 tern_node *existing = tern_find_node(info_config, guid_string);
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174 existing = tern_insert_ptr(existing, "subtype", (void *)subtype_names[info->subtype]);
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175 existing = tern_insert_ptr(existing, "variant", (void *)variant_names[info->variant]);
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176 info_config = tern_insert_node(info_config, guid_string, existing);
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177 persist_config_at(info_config, "controller_types.cfg");
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178
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179 }
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180
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181 void save_controller_mapping(int joystick, char *mapping_string)
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182 {
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183 char guid_string[33];
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184 SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(render_get_joystick(joystick)), guid_string, sizeof(guid_string));
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185 tern_node *existing = tern_find_node(info_config, guid_string);
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186 existing = tern_insert_ptr(existing, "mapping", mapping_string);
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187 info_config = tern_insert_node(info_config, guid_string, existing);
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188 persist_config_at(info_config, "controller_types.cfg");
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189 }
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190
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191 char const *labels_xbox[] = {
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192 "A", "B", "X", "Y", "Back", NULL, "Start", "Click", "Click", "White", "Black", "LT", "RT"
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193 };
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194 char const *labels_360[] = {
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195 "A", "B", "X", "Y", "Back", "Xbox", "Start", "Click", "Click", "LB", "RB", "LT", "RT"
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196 };
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197 static char const *labels_xbone[] = {
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198 "A", "B", "X", "Y", "View", "Xbox", "Menu", "Click", "Click", "LB", "RB", "LT", "RT"
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199 };
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200 static char const *labels_ps3[] = {
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201 "cross", "circle", "square", "triangle", "Select", "PS", "Start", "L3", "R3", "L1", "R1", "L2", "R2"
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202 };
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203 static char const *labels_ps4[] = {
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204 "cross", "circle", "square", "triangle", "Share", "PS", "Options", "L3", "R3", "L1", "R1", "L2", "R2"
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205 };
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206 static char const *labels_nintendo[] = {
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207 "B", "A", "Y", "X", "-", "Home", "+", "Click", "Click", "L", "R", "ZL", "ZR"
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208 };
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209 static char const *labels_genesis[] = {
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210 "A", "B", "X", "Y", NULL, NULL, "Start", NULL, NULL, "Z", "C", NULL, "Mode"
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211 };
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212 static char const *labels_saturn[] = {
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213 "A", "B", "X", "Y", NULL, NULL, "Start", NULL, NULL, "Z", "C", "LT", "RT"
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214 };
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215
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216 static const char** label_source(controller_info *info)
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217 {
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218 if (info->type == TYPE_UNKNOWN || info->type == TYPE_GENERIC_MAPPING || info->subtype ==SUBTYPE_X360) {
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219 return labels_360;
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220 } else if (info->type == TYPE_NINTENDO) {
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diff changeset
221 return labels_nintendo;
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222 } else if (info->type == TYPE_PSX) {
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223 if (info->subtype == SUBTYPE_PS4) {
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224 return labels_ps4;
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225 } else {
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226 return labels_ps3;
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227 }
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228 } else if (info->type == TYPE_XBOX) {
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229 if (info->subtype == SUBTYPE_XBONE) {
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230 return labels_xbone;
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231 } else {
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232 return labels_xbox;
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233 }
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parents:
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234 } else {
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diff changeset
235 if (info->subtype == SUBTYPE_GENESIS) {
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parents:
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236 return labels_genesis;
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parents:
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237 } else {
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238 return labels_saturn;
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239 }
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240 }
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241 }
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242
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243 const char *get_button_label(controller_info *info, int button)
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244 {
1597
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parents: 1596
diff changeset
245 if (button >= SDL_CONTROLLER_BUTTON_DPAD_UP) {
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parents: 1596
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246 static char const * dirs[] = {"Up", "Down", "Left", "Right"};
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247 return dirs[button - SDL_CONTROLLER_BUTTON_DPAD_UP];
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diff changeset
248 }
1596
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249 return label_source(info)[button];
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250 }
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251
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252 static char const *axis_labels[] = {
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253 "Left X", "Left Y", "Right X", "Right Y"
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254 };
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255 const char *get_axis_label(controller_info *info, int axis)
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256 {
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parents:
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257 if (axis < SDL_CONTROLLER_AXIS_TRIGGERLEFT) {
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258 return axis_labels[axis];
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parents:
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259 } else {
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parents:
diff changeset
260 return label_source(info)[axis - SDL_CONTROLLER_AXIS_TRIGGERLEFT + SDL_CONTROLLER_BUTTON_RIGHTSHOULDER + 1];
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parents:
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261 }
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parents:
diff changeset
262 }
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parents:
diff changeset
263
1608
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parents: 1604
diff changeset
264 char *make_controller_type_key(controller_info *info)
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diff changeset
265 {
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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diff changeset
266 const char *subtype;
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diff changeset
267 if (info->subtype == SUBTYPE_UNKNOWN) {
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parents: 1604
diff changeset
268 switch(info->type)
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parents: 1604
diff changeset
269 {
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parents: 1604
diff changeset
270 case TYPE_XBOX:
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diff changeset
271 subtype = subtype_names[SUBTYPE_X360];
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parents: 1604
diff changeset
272 break;
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diff changeset
273 case TYPE_PSX:
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diff changeset
274 subtype = subtype_names[SUBTYPE_PS4];
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diff changeset
275 break;
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diff changeset
276 case TYPE_NINTENDO:
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diff changeset
277 subtype = subtype_names[SUBTYPE_SWITCH];
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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diff changeset
278 break;
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
diff changeset
279 default:
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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diff changeset
280 subtype = "unknown";
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parents: 1604
diff changeset
281 }
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
diff changeset
282 } else {
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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diff changeset
283 subtype = subtype_names[info->subtype];
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
diff changeset
284 }
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
diff changeset
285 const char *variant = variant_names[info->variant];
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
diff changeset
286 const char *parts[] = {subtype, "_", variant};
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
287 char *ret = alloc_concat_m(3, parts);
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
288 for (char *cur = ret; *cur; cur++)
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
diff changeset
289 {
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
diff changeset
290 if (*cur == ' ')
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
291 {
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
diff changeset
292 *cur = '_';
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
293 }
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
294 }
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
295 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
296 }
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
297