mirror of
https://github.com/Relintai/sdl2_frt.git
synced 2024-12-20 22:16:49 +01:00
442 lines
16 KiB
C
442 lines
16 KiB
C
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/*
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Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely.
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*/
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/* Game controller mapping generator */
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/* Gabriel Jacobo <gabomdq@gmail.com> */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "SDL.h"
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#ifndef SDL_JOYSTICK_DISABLED
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#ifdef __IPHONEOS__
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#define SCREEN_WIDTH 320
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#define SCREEN_HEIGHT 480
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#else
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#define SCREEN_WIDTH 512
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#define SCREEN_HEIGHT 317
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#endif
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#define MAP_WIDTH 512
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#define MAP_HEIGHT 317
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#define MARKER_BUTTON 1
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#define MARKER_AXIS 2
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typedef struct MappingStep
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{
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int x, y;
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double angle;
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int marker;
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char *field;
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int axis, button, hat, hat_value;
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char mapping[4096];
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}MappingStep;
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SDL_Texture *
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LoadTexture(SDL_Renderer *renderer, char *file, SDL_bool transparent)
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{
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SDL_Surface *temp;
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SDL_Texture *texture;
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/* Load the sprite image */
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temp = SDL_LoadBMP(file);
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if (temp == NULL) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't load %s: %s", file, SDL_GetError());
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return NULL;
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}
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/* Set transparent pixel as the pixel at (0,0) */
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if (transparent) {
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if (temp->format->palette) {
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SDL_SetColorKey(temp, SDL_TRUE, *(Uint8 *) temp->pixels);
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} else {
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switch (temp->format->BitsPerPixel) {
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case 15:
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SDL_SetColorKey(temp, SDL_TRUE,
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(*(Uint16 *) temp->pixels) & 0x00007FFF);
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break;
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case 16:
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SDL_SetColorKey(temp, SDL_TRUE, *(Uint16 *) temp->pixels);
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break;
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case 24:
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SDL_SetColorKey(temp, SDL_TRUE,
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(*(Uint32 *) temp->pixels) & 0x00FFFFFF);
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break;
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case 32:
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SDL_SetColorKey(temp, SDL_TRUE, *(Uint32 *) temp->pixels);
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break;
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}
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}
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}
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/* Create textures from the image */
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texture = SDL_CreateTextureFromSurface(renderer, temp);
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if (!texture) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create texture: %s\n", SDL_GetError());
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SDL_FreeSurface(temp);
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return NULL;
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}
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SDL_FreeSurface(temp);
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/* We're ready to roll. :) */
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return texture;
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}
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static SDL_bool
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WatchJoystick(SDL_Joystick * joystick)
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{
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SDL_Window *window = NULL;
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SDL_Renderer *screen = NULL;
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SDL_Texture *background, *button, *axis, *marker;
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const char *name = NULL;
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SDL_bool retval = SDL_FALSE;
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SDL_bool done = SDL_FALSE, next=SDL_FALSE;
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SDL_Event event;
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SDL_Rect dst;
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int s, _s;
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Uint8 alpha=200, alpha_step = -1;
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Uint32 alpha_ticks = 0;
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char mapping[4096], temp[4096];
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MappingStep *step, *prev_step;
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MappingStep steps[] = {
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{342, 132, 0.0, MARKER_BUTTON, "x", -1, -1, -1, -1, ""},
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{387, 167, 0.0, MARKER_BUTTON, "a", -1, -1, -1, -1, ""},
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{431, 132, 0.0, MARKER_BUTTON, "b", -1, -1, -1, -1, ""},
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{389, 101, 0.0, MARKER_BUTTON, "y", -1, -1, -1, -1, ""},
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{174, 132, 0.0, MARKER_BUTTON, "back", -1, -1, -1, -1, ""},
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{233, 132, 0.0, MARKER_BUTTON, "guide", -1, -1, -1, -1, ""},
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{289, 132, 0.0, MARKER_BUTTON, "start", -1, -1, -1, -1, ""},
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{116, 217, 0.0, MARKER_BUTTON, "dpleft", -1, -1, -1, -1, ""},
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{154, 249, 0.0, MARKER_BUTTON, "dpdown", -1, -1, -1, -1, ""},
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{186, 217, 0.0, MARKER_BUTTON, "dpright", -1, -1, -1, -1, ""},
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{154, 188, 0.0, MARKER_BUTTON, "dpup", -1, -1, -1, -1, ""},
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{77, 40, 0.0, MARKER_BUTTON, "leftshoulder", -1, -1, -1, -1, ""},
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{91, 0, 0.0, MARKER_BUTTON, "lefttrigger", -1, -1, -1, -1, ""},
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{396, 36, 0.0, MARKER_BUTTON, "rightshoulder", -1, -1, -1, -1, ""},
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{375, 0, 0.0, MARKER_BUTTON, "righttrigger", -1, -1, -1, -1, ""},
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{75, 154, 0.0, MARKER_BUTTON, "leftstick", -1, -1, -1, -1, ""},
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{305, 230, 0.0, MARKER_BUTTON, "rightstick", -1, -1, -1, -1, ""},
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{75, 154, 0.0, MARKER_AXIS, "leftx", -1, -1, -1, -1, ""},
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{75, 154, 90.0, MARKER_AXIS, "lefty", -1, -1, -1, -1, ""},
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{305, 230, 0.0, MARKER_AXIS, "rightx", -1, -1, -1, -1, ""},
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{305, 230, 90.0, MARKER_AXIS, "righty", -1, -1, -1, -1, ""},
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};
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/* Create a window to display joystick axis position */
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window = SDL_CreateWindow("Game Controller Map", SDL_WINDOWPOS_CENTERED,
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SDL_WINDOWPOS_CENTERED, SCREEN_WIDTH,
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SCREEN_HEIGHT, 0);
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if (window == NULL) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create window: %s\n", SDL_GetError());
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return SDL_FALSE;
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}
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screen = SDL_CreateRenderer(window, -1, 0);
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if (screen == NULL) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create renderer: %s\n", SDL_GetError());
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SDL_DestroyWindow(window);
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return SDL_FALSE;
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}
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background = LoadTexture(screen, "controllermap.bmp", SDL_FALSE);
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button = LoadTexture(screen, "button.bmp", SDL_TRUE);
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axis = LoadTexture(screen, "axis.bmp", SDL_TRUE);
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SDL_RaiseWindow(window);
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/* scale for platforms that don't give you the window size you asked for. */
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SDL_RenderSetLogicalSize(screen, SCREEN_WIDTH, SCREEN_HEIGHT);
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/* Print info about the joystick we are watching */
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name = SDL_JoystickName(joystick);
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SDL_Log("Watching joystick %d: (%s)\n", SDL_JoystickInstanceID(joystick),
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name ? name : "Unknown Joystick");
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SDL_Log("Joystick has %d axes, %d hats, %d balls, and %d buttons\n",
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SDL_JoystickNumAxes(joystick), SDL_JoystickNumHats(joystick),
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SDL_JoystickNumBalls(joystick), SDL_JoystickNumButtons(joystick));
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SDL_Log("\n\n\
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====================================================================================\n\
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Press the buttons on your controller when indicated\n\
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(Your controller may look different than the picture)\n\
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If you want to correct a mistake, press backspace or the back button on your device\n\
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To skip a button, press SPACE or click/touch the screen\n\
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To exit, press ESC\n\
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====================================================================================\n");
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/* Initialize mapping with GUID and name */
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SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(joystick), temp, SDL_arraysize(temp));
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SDL_snprintf(mapping, SDL_arraysize(mapping), "%s,%s,platform:%s,",
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temp, name ? name : "Unknown Joystick", SDL_GetPlatform());
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/* Loop, getting joystick events! */
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for(s=0; s<SDL_arraysize(steps) && !done;) {
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/* blank screen, set up for drawing this frame. */
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step = &steps[s];
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SDL_strlcpy(step->mapping, mapping, SDL_arraysize(step->mapping));
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step->axis = -1;
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step->button = -1;
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step->hat = -1;
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step->hat_value = -1;
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SDL_SetClipboardText("TESTING TESTING 123");
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switch(step->marker) {
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case MARKER_AXIS:
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marker = axis;
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break;
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case MARKER_BUTTON:
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marker = button;
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break;
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default:
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break;
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}
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dst.x = step->x;
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dst.y = step->y;
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SDL_QueryTexture(marker, NULL, NULL, &dst.w, &dst.h);
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next=SDL_FALSE;
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SDL_SetRenderDrawColor(screen, 0xFF, 0xFF, 0xFF, SDL_ALPHA_OPAQUE);
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while (!done && !next) {
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if (SDL_GetTicks() - alpha_ticks > 5) {
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alpha_ticks = SDL_GetTicks();
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alpha += alpha_step;
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if (alpha == 255) {
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alpha_step = -1;
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}
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if (alpha < 128) {
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alpha_step = 1;
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}
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}
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SDL_RenderClear(screen);
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SDL_RenderCopy(screen, background, NULL, NULL);
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SDL_SetTextureAlphaMod(marker, alpha);
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SDL_SetTextureColorMod(marker, 10, 255, 21);
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SDL_RenderCopyEx(screen, marker, NULL, &dst, step->angle, NULL, 0);
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SDL_RenderPresent(screen);
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if (SDL_PollEvent(&event)) {
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switch (event.type) {
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case SDL_JOYAXISMOTION:
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if (event.jaxis.value > 20000 || event.jaxis.value < -20000) {
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for (_s = 0; _s < s; _s++) {
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if (steps[_s].axis == event.jaxis.axis) {
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break;
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}
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}
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if (_s == s) {
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step->axis = event.jaxis.axis;
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SDL_strlcat(mapping, step->field, SDL_arraysize(mapping));
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SDL_snprintf(temp, SDL_arraysize(temp), ":a%u,", event.jaxis.axis);
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SDL_strlcat(mapping, temp, SDL_arraysize(mapping));
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s++;
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next=SDL_TRUE;
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}
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}
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break;
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case SDL_JOYHATMOTION:
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if (event.jhat.value == SDL_HAT_CENTERED) {
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break; /* ignore centering, we're probably just coming back to the center from the previous item we set. */
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}
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for (_s = 0; _s < s; _s++) {
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if (steps[_s].hat == event.jhat.hat && steps[_s].hat_value == event.jhat.value) {
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break;
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}
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}
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if (_s == s) {
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step->hat = event.jhat.hat;
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step->hat_value = event.jhat.value;
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SDL_strlcat(mapping, step->field, SDL_arraysize(mapping));
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SDL_snprintf(temp, SDL_arraysize(temp), ":h%u.%u,", event.jhat.hat, event.jhat.value );
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SDL_strlcat(mapping, temp, SDL_arraysize(mapping));
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s++;
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next=SDL_TRUE;
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}
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break;
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case SDL_JOYBALLMOTION:
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break;
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case SDL_JOYBUTTONUP:
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for (_s = 0; _s < s; _s++) {
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if (steps[_s].button == event.jbutton.button) {
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break;
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}
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}
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if (_s == s) {
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step->button = event.jbutton.button;
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SDL_strlcat(mapping, step->field, SDL_arraysize(mapping));
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SDL_snprintf(temp, SDL_arraysize(temp), ":b%u,", event.jbutton.button);
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SDL_strlcat(mapping, temp, SDL_arraysize(mapping));
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s++;
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next=SDL_TRUE;
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}
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break;
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case SDL_FINGERDOWN:
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case SDL_MOUSEBUTTONDOWN:
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/* Skip this step */
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s++;
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next=SDL_TRUE;
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break;
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case SDL_KEYDOWN:
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if (event.key.keysym.sym == SDLK_BACKSPACE || event.key.keysym.sym == SDLK_AC_BACK) {
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/* Undo! */
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if (s > 0) {
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prev_step = &steps[--s];
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SDL_strlcpy(mapping, prev_step->mapping, SDL_arraysize(prev_step->mapping));
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next = SDL_TRUE;
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}
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break;
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}
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if (event.key.keysym.sym == SDLK_SPACE) {
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/* Skip this step */
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s++;
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next=SDL_TRUE;
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break;
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}
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if ((event.key.keysym.sym != SDLK_ESCAPE)) {
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break;
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}
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/* Fall through to signal quit */
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case SDL_QUIT:
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done = SDL_TRUE;
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break;
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default:
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break;
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}
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}
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}
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}
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if (s == SDL_arraysize(steps) ) {
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SDL_Log("Mapping:\n\n%s\n\n", mapping);
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/* Print to stdout as well so the user can cat the output somewhere */
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printf("%s\n", mapping);
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}
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while(SDL_PollEvent(&event)) {};
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SDL_DestroyRenderer(screen);
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SDL_DestroyWindow(window);
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return retval;
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}
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int
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main(int argc, char *argv[])
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{
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const char *name;
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int i;
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SDL_Joystick *joystick;
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/* Enable standard application logging */
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SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
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|
||
|
|
/* Initialize SDL (Note: video is required to start event loop) */
|
||
|
|
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK) < 0) {
|
||
|
|
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s\n", SDL_GetError());
|
||
|
|
exit(1);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Print information about the joysticks */
|
||
|
|
SDL_Log("There are %d joysticks attached\n", SDL_NumJoysticks());
|
||
|
|
for (i = 0; i < SDL_NumJoysticks(); ++i) {
|
||
|
|
name = SDL_JoystickNameForIndex(i);
|
||
|
|
SDL_Log("Joystick %d: %s\n", i, name ? name : "Unknown Joystick");
|
||
|
|
joystick = SDL_JoystickOpen(i);
|
||
|
|
if (joystick == NULL) {
|
||
|
|
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_JoystickOpen(%d) failed: %s\n", i,
|
||
|
|
SDL_GetError());
|
||
|
|
} else {
|
||
|
|
char guid[64];
|
||
|
|
SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(joystick),
|
||
|
|
guid, sizeof (guid));
|
||
|
|
SDL_Log(" axes: %d\n", SDL_JoystickNumAxes(joystick));
|
||
|
|
SDL_Log(" balls: %d\n", SDL_JoystickNumBalls(joystick));
|
||
|
|
SDL_Log(" hats: %d\n", SDL_JoystickNumHats(joystick));
|
||
|
|
SDL_Log(" buttons: %d\n", SDL_JoystickNumButtons(joystick));
|
||
|
|
SDL_Log("instance id: %d\n", SDL_JoystickInstanceID(joystick));
|
||
|
|
SDL_Log(" guid: %s\n", guid);
|
||
|
|
SDL_JoystickClose(joystick);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifdef __ANDROID__
|
||
|
|
if (SDL_NumJoysticks() > 0) {
|
||
|
|
#else
|
||
|
|
if (argv[1]) {
|
||
|
|
#endif
|
||
|
|
SDL_bool reportederror = SDL_FALSE;
|
||
|
|
SDL_bool keepGoing = SDL_TRUE;
|
||
|
|
SDL_Event event;
|
||
|
|
int device;
|
||
|
|
#ifdef __ANDROID__
|
||
|
|
device = 0;
|
||
|
|
#else
|
||
|
|
device = atoi(argv[1]);
|
||
|
|
#endif
|
||
|
|
joystick = SDL_JoystickOpen(device);
|
||
|
|
|
||
|
|
while ( keepGoing ) {
|
||
|
|
if (joystick == NULL) {
|
||
|
|
if ( !reportederror ) {
|
||
|
|
SDL_Log("Couldn't open joystick %d: %s\n", device, SDL_GetError());
|
||
|
|
keepGoing = SDL_FALSE;
|
||
|
|
reportederror = SDL_TRUE;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
reportederror = SDL_FALSE;
|
||
|
|
keepGoing = WatchJoystick(joystick);
|
||
|
|
SDL_JoystickClose(joystick);
|
||
|
|
}
|
||
|
|
|
||
|
|
joystick = NULL;
|
||
|
|
if (keepGoing) {
|
||
|
|
SDL_Log("Waiting for attach\n");
|
||
|
|
}
|
||
|
|
while (keepGoing) {
|
||
|
|
SDL_WaitEvent(&event);
|
||
|
|
if ((event.type == SDL_QUIT) || (event.type == SDL_FINGERDOWN)
|
||
|
|
|| (event.type == SDL_MOUSEBUTTONDOWN)) {
|
||
|
|
keepGoing = SDL_FALSE;
|
||
|
|
} else if (event.type == SDL_JOYDEVICEADDED) {
|
||
|
|
joystick = SDL_JoystickOpen(device);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
SDL_Log("\n\nUsage: ./controllermap number\nFor example: ./controllermap 0\nOr: ./controllermap 0 >> gamecontrollerdb.txt");
|
||
|
|
}
|
||
|
|
SDL_QuitSubSystem(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
#else
|
||
|
|
|
||
|
|
int
|
||
|
|
main(int argc, char *argv[])
|
||
|
|
{
|
||
|
|
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL compiled without Joystick support.\n");
|
||
|
|
exit(1);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|