Mercurial > repos > blastem
view controller_info.c @ 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
author | Michael Pavone <pavone@retrodev.com> |
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date | Sun, 22 Jul 2018 17:48:46 -0700 |
parents | |
children | 75aa418d0227 |
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#include <string.h> #include "render_sdl.h" #include "controller_info.h" typedef struct { char const *name; controller_info info; } heuristic; 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); controller_info get_controller_info(int joystick) { SDL_GameController *control = render_get_controller(joystick); if (!control) { return (controller_info) { .type = TYPE_UNKNOWN, .subtype = SUBTYPE_UNKNOWN, .variant = VARIANT_NORMAL, .name = SDL_JoystickName(render_get_joystick(joystick)) }; } 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; } } //default to a 360 return (controller_info){ .type = TYPE_GENERIC_MAPPING, .subtype = SUBTYPE_UNKNOWN, .variant = VARIANT_NORMAL, .name = name }; } 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", "Guide", "Start", "Click", "Click", "LB", "RB", "LT", "RT" }; static char const *labels_xbone[] = { "A", "B", "X", "Y", "View", "Guide", "Menu", "Click", "Click", "LB", "RB", "LT", "RT" }; static char const *labels_ps3[] = { "cross", "circle", "square", "triangle", "Select", "Guide", "Start", "L3", "R3", "L1", "R1", "L2", "R2" }; static char const *labels_ps4[] = { "cross", "circle", "square", "triangle", "Share", "Guide", "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_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) { return labels_genesis; } else { return labels_saturn; } } } const char *get_button_label(controller_info *info, int button) { 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) { 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]; } }