Mercurial > repos > blastem
view controller_info.c @ 2069:8e51c0c3f2e3 segacd
Initial attempt at implementing the Sega CD graphics hardware
author | Michael Pavone <pavone@retrodev.com> |
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date | Sun, 30 Jan 2022 19:55:33 -0800 |
parents | 193b804c9845 |
children | a8af8d898a7c |
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#include <string.h> #include <stdlib.h> #ifndef USE_FBDEV #include "render_sdl.h" #endif #include "controller_info.h" #include "config.h" #include "util.h" #include "blastem.h" #include "bindings.h" typedef struct { char const *name; controller_info info; } heuristic; static heuristic heuristics[] = { //TODO: Add more heuristic rules {"DualShock 4", {.type = TYPE_PSX, .subtype = SUBTYPE_PS4}}, {"PS4", {.type = TYPE_PSX, .subtype = SUBTYPE_PS4}}, {"PS3", {.type = TYPE_PSX, .subtype = SUBTYPE_PS3}}, {"X360", {.type = TYPE_XBOX, .subtype = SUBTYPE_X360}}, {"Xbox 360", {.type = TYPE_XBOX, .subtype = SUBTYPE_X360}}, {"X-box 360", {.type = TYPE_XBOX, .subtype = SUBTYPE_X360}}, {"Xbox One", {.type = TYPE_XBOX, .subtype = SUBTYPE_XBONE}}, {"X-box One", {.type = TYPE_XBOX, .subtype = SUBTYPE_XBONE}}, {"WiiU", {.type = TYPE_NINTENDO, .subtype = SUBTYPE_WIIU}}, {"Wii U", {.type = TYPE_NINTENDO, .subtype = SUBTYPE_WIIU}}, {"Nintendo Switch", {.type = TYPE_NINTENDO, .subtype = SUBTYPE_SWITCH}}, {"Saturn", {.type = TYPE_SEGA, .subtype = SUBTYPE_SATURN}} }; const uint32_t num_heuristics = sizeof(heuristics)/sizeof(*heuristics); static tern_node *info_config; static uint8_t loaded; static const char *subtype_names[] = { "unknown", "xbox", "xbox 360", "xbone", "ps2", "ps3", "ps4", "wiiu", "switch", "genesis", "saturn" }; static const char *subtype_human_names[] = { "unknown", "Xbos", "Xbox 360", "Xbox One", "PS2", "PS3", "PS4", "Wii-U", "Switch", "Genesis", "Saturn" }; static const char *variant_names[] = { "normal", "6b bumpers", "6b right", "3button", "6button", "8button" }; static void load_ctype_config(void) { if (!loaded) { info_config = load_overrideable_config("controller_types.cfg", "controller_types.cfg", NULL); loaded = 1; } } controller_info get_controller_info(int joystick) { #ifndef USE_FBDEV load_ctype_config(); char guid_string[33]; SDL_Joystick *stick = render_get_joystick(joystick); SDL_GameController *control = render_get_controller(joystick); SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(stick), guid_string, sizeof(guid_string)); tern_node *info = tern_find_node(info_config, guid_string); if (info) { controller_info res; char *subtype = tern_find_ptr(info, "subtype"); res.subtype = SUBTYPE_UNKNOWN; if (subtype) { for (int i = 0; i < SUBTYPE_NUM; i++) { if (!strcmp(subtype_names[i], subtype)) { res.subtype = i; break; } } } switch (res.subtype) { case SUBTYPE_XBOX: case SUBTYPE_X360: case SUBTYPE_XBONE: res.type = TYPE_XBOX; break; case SUBTYPE_PS2: case SUBTYPE_PS3: case SUBTYPE_PS4: res.type = TYPE_PSX; break; case SUBTYPE_WIIU: case SUBTYPE_SWITCH: res.type = TYPE_NINTENDO; break; case SUBTYPE_GENESIS: case SUBTYPE_SATURN: res.type = TYPE_SEGA; break; default: res.type = TYPE_UNKNOWN; break; } char *variant = tern_find_ptr(info, "variant"); res.variant = VARIANT_NORMAL; if (variant) { for (int i = 0; i < VARIANT_NUM; i++) { if (!strcmp(variant_names[i], variant)) { res.variant = i; break; } } } res.name = control ? SDL_GameControllerName(control) : SDL_JoystickName(stick); if (control) { SDL_GameControllerClose(control); } return res; } if (!control) { return (controller_info) { .type = TYPE_UNKNOWN, .subtype = SUBTYPE_UNKNOWN, .variant = VARIANT_NORMAL, .name = SDL_JoystickName(stick) }; } const char *name = SDL_GameControllerName(control); SDL_GameControllerClose(control); for (uint32_t i = 0; i < num_heuristics; i++) { if (strstr(name, heuristics[i].name)) { controller_info res = heuristics[i].info; res.name = name; return res; } } #else const char *name = "Unknown"; #endif //default to a 360 return (controller_info){ .type = TYPE_GENERIC_MAPPING, .subtype = SUBTYPE_UNKNOWN, .variant = VARIANT_NORMAL, .name = name }; } static void mappings_iter(char *key, tern_val val, uint8_t valtype, void *data) { #ifndef USE_FBDEV if (valtype != TVAL_NODE) { return; } char *mapping = tern_find_ptr(val.ptrval, "mapping"); if (mapping) { const char *parts[] = {key, ",", mapping}; char * full = alloc_concat_m(3, parts); SDL_GameControllerAddMapping(full); free(full); } #endif } void controller_add_mappings(void) { load_ctype_config(); if (info_config) { tern_foreach(info_config, mappings_iter, NULL); } } void save_controller_info(int joystick, controller_info *info) { #ifndef USE_FBDEV char guid_string[33]; SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(render_get_joystick(joystick)), guid_string, sizeof(guid_string)); tern_node *existing = tern_find_node(info_config, guid_string); existing = tern_insert_ptr(existing, "subtype", strdup(subtype_names[info->subtype])); existing = tern_insert_ptr(existing, "variant", strdup(variant_names[info->variant])); info_config = tern_insert_node(info_config, guid_string, existing); persist_config_at(config, info_config, "controller_types.cfg"); handle_joy_added(joystick); #endif } void save_controller_mapping(int joystick, char *mapping_string) { #ifndef USE_FBDEV char guid_string[33]; SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(render_get_joystick(joystick)), guid_string, sizeof(guid_string)); tern_node *existing = tern_find_node(info_config, guid_string); existing = tern_insert_ptr(existing, "mapping", mapping_string); info_config = tern_insert_node(info_config, guid_string, existing); persist_config_at(config, info_config, "controller_types.cfg"); const char *parts[] = {guid_string, ",", mapping_string}; char * full = alloc_concat_m(3, parts); SDL_GameControllerAddMapping(full); free(full); handle_joy_added(joystick); #endif } void delete_controller_info(void) { delete_custom_config_at("controller_types.cfg"); loaded = 0; tern_free(info_config); info_config = NULL; render_reset_mappings(); } char const *labels_xbox[] = { "A", "B", "X", "Y", "Back", NULL, "Start", "Click", "Click", "White", "Black", "LT", "RT" }; char const *labels_360[] = { "A", "B", "X", "Y", "Back", "Xbox", "Start", "Click", "Click", "LB", "RB", "LT", "RT" }; static char const *labels_xbone[] = { "A", "B", "X", "Y", "View", "Xbox", "Menu", "Click", "Click", "LB", "RB", "LT", "RT" }; static char const *labels_ps3[] = { "cross", "circle", "square", "triangle", "Select", "PS", "Start", "L3", "R3", "L1", "R1", "L2", "R2" }; static char const *labels_ps4[] = { "cross", "circle", "square", "triangle", "Share", "PS", "Options", "L3", "R3", "L1", "R1", "L2", "R2" }; static char const *labels_nintendo[] = { "B", "A", "Y", "X", "-", "Home", "+", "Click", "Click", "L", "R", "ZL", "ZR" }; static char const *labels_genesis[] = { "A", "B", "X", "Y", NULL, NULL, "Start", NULL, NULL, "Z", "C", NULL, "Mode" }; static char const *labels_genesis_3button[] = { "A", "B", NULL, NULL, NULL, NULL, "Start", NULL, NULL, NULL, "C", NULL, "Mode" }; static char const *labels_genesis_8button[] = { "A", "B", "X", "Y", "Mode", NULL, "Start", NULL, NULL, "Z", "C", "L", "R" }; static char const *labels_saturn[] = { "A", "B", "X", "Y", NULL, NULL, "Start", NULL, NULL, "Z", "C", "LT", "RT" }; static const char** label_source(controller_info *info) { if (info->type == TYPE_UNKNOWN || info->type == TYPE_GENERIC_MAPPING || info->subtype ==SUBTYPE_X360) { return labels_360; } else if (info->type == TYPE_NINTENDO) { return labels_nintendo; } else if (info->type == TYPE_PSX) { if (info->subtype == SUBTYPE_PS4) { return labels_ps4; } else { return labels_ps3; } } else if (info->type == TYPE_XBOX) { if (info->subtype == SUBTYPE_XBONE) { return labels_xbone; } else { return labels_xbox; } } else { if (info->subtype == SUBTYPE_GENESIS) { if (info->variant == VARIANT_8BUTTON) { return labels_genesis_8button; } else if (info->variant == VARIANT_3BUTTON) { return labels_genesis_3button; } else { return labels_genesis; } } else { return labels_saturn; } } } const char *get_button_label(controller_info *info, int button) { #ifndef USE_FBDEV if (button >= SDL_CONTROLLER_BUTTON_DPAD_UP) { static char const * dirs[] = {"Up", "Down", "Left", "Right"}; return dirs[button - SDL_CONTROLLER_BUTTON_DPAD_UP]; } #endif return label_source(info)[button]; } static char const *axis_labels[] = { "Left X", "Left Y", "Right X", "Right Y" }; const char *get_axis_label(controller_info *info, int axis) { #ifndef USE_FBDEV if (axis < SDL_CONTROLLER_AXIS_TRIGGERLEFT) { return axis_labels[axis]; } else { return label_source(info)[axis - SDL_CONTROLLER_AXIS_TRIGGERLEFT + SDL_CONTROLLER_BUTTON_RIGHTSHOULDER + 1]; } #else return NULL; #endif } char *make_controller_type_key(controller_info *info) { const char *subtype; if (info->subtype == SUBTYPE_UNKNOWN) { switch(info->type) { case TYPE_XBOX: subtype = subtype_names[SUBTYPE_X360]; break; case TYPE_PSX: subtype = subtype_names[SUBTYPE_PS4]; break; case TYPE_NINTENDO: subtype = subtype_names[SUBTYPE_SWITCH]; break; default: subtype = "unknown"; } } else { subtype = subtype_names[info->subtype]; } const char *variant = variant_names[info->variant]; const char *parts[] = {subtype, "_", variant}; char *ret = alloc_concat_m(3, parts); for (char *cur = ret; *cur; cur++) { if (*cur == ' ') { *cur = '_'; } } return ret; } char *make_human_readable_type_name(controller_info *info) { const char *base = subtype_human_names[info->subtype]; char *prefix; if (info->variant == VARIANT_NORMAL) { prefix = "Normal "; } else { static const char *parts[] = {"6 button (", NULL, "/", NULL, ") "}; #ifdef USE_FBDEV parts[1] = parts[3] = "??"; #else if (info->variant == VARIANT_6B_BUMPERS) { parts[1] = get_button_label(info, SDL_CONTROLLER_BUTTON_LEFTSHOULDER); parts[3] = get_button_label(info, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER); } else { parts[1] = get_button_label(info, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER); parts[3] = get_axis_label(info, SDL_CONTROLLER_AXIS_TRIGGERRIGHT); } #endif prefix = alloc_concat_m(5, parts); } char *ret = alloc_concat(prefix, base); if (info->variant != VARIANT_NORMAL) { free(prefix); } return ret; }