test/controllermap.c
author Sam Lantinga <slouken@libsdl.org>
Wed, 04 Jan 2017 05:09:02 -0800
changeset 10747 da1f4eeac65a
parent 10745 7461fcef6ae2
child 10752 c9d3ff50dfcf
permissions -rw-r--r--
Some controllers have trouble getting out to 20000
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/*
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  Copyright (C) 1997-2017 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   320
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#endif
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#define MARKER_BUTTON 1
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#define MARKER_AXIS 2
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enum
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{
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    SDL_CONTROLLER_BINDING_AXIS_LEFTX_NEGATIVE,
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    SDL_CONTROLLER_BINDING_AXIS_LEFTX_POSITIVE,
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    SDL_CONTROLLER_BINDING_AXIS_LEFTY_NEGATIVE,
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    SDL_CONTROLLER_BINDING_AXIS_LEFTY_POSITIVE,
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    SDL_CONTROLLER_BINDING_AXIS_RIGHTX_NEGATIVE,
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    SDL_CONTROLLER_BINDING_AXIS_RIGHTX_POSITIVE,
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    SDL_CONTROLLER_BINDING_AXIS_RIGHTY_NEGATIVE,
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    SDL_CONTROLLER_BINDING_AXIS_RIGHTY_POSITIVE,
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    SDL_CONTROLLER_BINDING_AXIS_TRIGGERLEFT,
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    SDL_CONTROLLER_BINDING_AXIS_TRIGGERRIGHT,
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    SDL_CONTROLLER_BINDING_AXIS_MAX,
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};
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#define BINDING_COUNT (SDL_CONTROLLER_BUTTON_MAX + SDL_CONTROLLER_BINDING_AXIS_MAX)
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static struct 
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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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} s_arrBindingDisplay[BINDING_COUNT] = {
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    { 387, 167, 0.0, MARKER_BUTTON }, /* SDL_CONTROLLER_BUTTON_A */
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    { 431, 132, 0.0, MARKER_BUTTON }, /* SDL_CONTROLLER_BUTTON_B */
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    { 342, 132, 0.0, MARKER_BUTTON }, /* SDL_CONTROLLER_BUTTON_X */
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    { 389, 101, 0.0, MARKER_BUTTON }, /* SDL_CONTROLLER_BUTTON_Y */
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    { 174, 132, 0.0, MARKER_BUTTON }, /* SDL_CONTROLLER_BUTTON_BACK */
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    { 233, 132, 0.0, MARKER_BUTTON }, /* SDL_CONTROLLER_BUTTON_GUIDE */
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    { 289, 132, 0.0, MARKER_BUTTON }, /* SDL_CONTROLLER_BUTTON_START */
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    {  75, 154, 0.0, MARKER_BUTTON }, /* SDL_CONTROLLER_BUTTON_LEFTSTICK */
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    { 305, 230, 0.0, MARKER_BUTTON }, /* SDL_CONTROLLER_BUTTON_RIGHTSTICK */
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    {  77,  40, 0.0, MARKER_BUTTON }, /* SDL_CONTROLLER_BUTTON_LEFTSHOULDER */
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    { 396,  36, 0.0, MARKER_BUTTON }, /* SDL_CONTROLLER_BUTTON_RIGHTSHOULDER */
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    { 154, 188, 0.0, MARKER_BUTTON }, /* SDL_CONTROLLER_BUTTON_DPAD_UP */
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    { 154, 249, 0.0, MARKER_BUTTON }, /* SDL_CONTROLLER_BUTTON_DPAD_DOWN */
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    { 116, 217, 0.0, MARKER_BUTTON }, /* SDL_CONTROLLER_BUTTON_DPAD_LEFT */
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    { 186, 217, 0.0, MARKER_BUTTON }, /* SDL_CONTROLLER_BUTTON_DPAD_RIGHT */
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    {  74, 153, 270.0, MARKER_AXIS }, /* SDL_CONTROLLER_BINDING_AXIS_LEFTX_NEGATIVE */
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    {  74, 153, 90.0,  MARKER_AXIS }, /* SDL_CONTROLLER_BINDING_AXIS_LEFTX_POSITIVE */
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    {  74, 153, 0.0,   MARKER_AXIS }, /* SDL_CONTROLLER_BINDING_AXIS_LEFTY_NEGATIVE */
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    {  74, 153, 180.0, MARKER_AXIS }, /* SDL_CONTROLLER_BINDING_AXIS_LEFTY_POSITIVE */
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    { 306, 231, 270.0, MARKER_AXIS }, /* SDL_CONTROLLER_BINDING_AXIS_RIGHTX_NEGATIVE */
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    { 306, 231, 90.0,  MARKER_AXIS }, /* SDL_CONTROLLER_BINDING_AXIS_RIGHTX_POSITIVE */
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    { 306, 231, 0.0,   MARKER_AXIS }, /* SDL_CONTROLLER_BINDING_AXIS_RIGHTY_NEGATIVE */
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    { 306, 231, 180.0, MARKER_AXIS }, /* SDL_CONTROLLER_BINDING_AXIS_RIGHTY_POSITIVE */
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    {  91, -20, 180.0, MARKER_AXIS }, /* SDL_CONTROLLER_BINDING_AXIS_TRIGGERLEFT */
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    { 375, -20, 180.0, MARKER_AXIS }, /* SDL_CONTROLLER_BINDING_AXIS_TRIGGERRIGHT */
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};
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static int s_arrBindingOrder[BINDING_COUNT] = {
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    SDL_CONTROLLER_BUTTON_A,
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    SDL_CONTROLLER_BUTTON_B,
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    SDL_CONTROLLER_BUTTON_Y,
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    SDL_CONTROLLER_BUTTON_X,
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    SDL_CONTROLLER_BUTTON_MAX + SDL_CONTROLLER_BINDING_AXIS_LEFTX_NEGATIVE,
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    SDL_CONTROLLER_BUTTON_MAX + SDL_CONTROLLER_BINDING_AXIS_LEFTX_POSITIVE,
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    SDL_CONTROLLER_BUTTON_MAX + SDL_CONTROLLER_BINDING_AXIS_LEFTY_NEGATIVE,
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    SDL_CONTROLLER_BUTTON_MAX + SDL_CONTROLLER_BINDING_AXIS_LEFTY_POSITIVE,
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    SDL_CONTROLLER_BUTTON_LEFTSTICK,
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    SDL_CONTROLLER_BUTTON_MAX + SDL_CONTROLLER_BINDING_AXIS_RIGHTX_NEGATIVE,
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    SDL_CONTROLLER_BUTTON_MAX + SDL_CONTROLLER_BINDING_AXIS_RIGHTX_POSITIVE,
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    SDL_CONTROLLER_BUTTON_MAX + SDL_CONTROLLER_BINDING_AXIS_RIGHTY_NEGATIVE,
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    SDL_CONTROLLER_BUTTON_MAX + SDL_CONTROLLER_BINDING_AXIS_RIGHTY_POSITIVE,
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    SDL_CONTROLLER_BUTTON_RIGHTSTICK,
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    SDL_CONTROLLER_BUTTON_LEFTSHOULDER,
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    SDL_CONTROLLER_BUTTON_MAX + SDL_CONTROLLER_BINDING_AXIS_TRIGGERLEFT,
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    SDL_CONTROLLER_BUTTON_RIGHTSHOULDER,
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    SDL_CONTROLLER_BUTTON_MAX + SDL_CONTROLLER_BINDING_AXIS_TRIGGERRIGHT,
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    SDL_CONTROLLER_BUTTON_DPAD_UP,
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    SDL_CONTROLLER_BUTTON_DPAD_RIGHT,
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    SDL_CONTROLLER_BUTTON_DPAD_DOWN,
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    SDL_CONTROLLER_BUTTON_DPAD_LEFT,
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    SDL_CONTROLLER_BUTTON_BACK,
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    SDL_CONTROLLER_BUTTON_GUIDE,
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    SDL_CONTROLLER_BUTTON_START,
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};
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typedef struct
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{
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    SDL_GameControllerBindType bindType;
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    union
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    {
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        int button;
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        struct {
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            int axis;
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            int axis_min;
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            int axis_max;
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        } axis;
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        struct {
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            int hat;
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            int hat_mask;
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        } hat;
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    } value;
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} SDL_GameControllerExtendedBind;
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static SDL_GameControllerExtendedBind s_arrBindings[BINDING_COUNT];
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typedef struct
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{
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    SDL_bool m_bMoving;
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    int m_nStartingValue;
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    int m_nFarthestValue;
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} AxisState;
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static int s_nNumAxes;
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static AxisState *s_arrAxisState;
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static int s_iCurrentBinding;
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static Uint32 s_unPendingAdvanceTime;
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static SDL_bool s_bBindingComplete;
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SDL_Texture *
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LoadTexture(SDL_Renderer *renderer, const 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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        }
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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 int
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StandardizeAxisValue(int nValue)
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{
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    if (nValue > SDL_JOYSTICK_AXIS_MAX/2) {
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        return SDL_JOYSTICK_AXIS_MAX;
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    } else if (nValue < SDL_JOYSTICK_AXIS_MIN/2) {
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        return SDL_JOYSTICK_AXIS_MIN;
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    } else {
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        return 0;
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    }
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}
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static void
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SetCurrentBinding(int iBinding)
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{
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    int iIndex;
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    SDL_GameControllerExtendedBind *pBinding;
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    if (iBinding < 0) {
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        return;
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    }
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    if (iBinding == BINDING_COUNT) {
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        s_bBindingComplete = SDL_TRUE;
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        return;
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    }
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    s_iCurrentBinding = iBinding;
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    pBinding = &s_arrBindings[s_arrBindingOrder[s_iCurrentBinding]];
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    SDL_zerop(pBinding);
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    for (iIndex = 0; iIndex < s_nNumAxes; ++iIndex) {
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        s_arrAxisState[iIndex].m_nFarthestValue = s_arrAxisState[iIndex].m_nStartingValue;
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    }
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    s_unPendingAdvanceTime = 0;
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}
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static SDL_bool
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BBindingContainsBinding(const SDL_GameControllerExtendedBind *pBindingA, const SDL_GameControllerExtendedBind *pBindingB)
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{
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    if (pBindingA->bindType != pBindingB->bindType)
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    {
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        return SDL_FALSE;
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    }
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    switch (pBindingA->bindType)
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    {
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    case SDL_CONTROLLER_BINDTYPE_AXIS:
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        if (pBindingA->value.axis.axis != pBindingB->value.axis.axis) {
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            return SDL_FALSE;
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        }
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        {
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            int minA = SDL_min(pBindingA->value.axis.axis_min, pBindingA->value.axis.axis_max);
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            int maxA = SDL_max(pBindingA->value.axis.axis_min, pBindingA->value.axis.axis_max);
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            int minB = SDL_min(pBindingB->value.axis.axis_min, pBindingB->value.axis.axis_max);
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            int maxB = SDL_max(pBindingB->value.axis.axis_min, pBindingB->value.axis.axis_max);
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            return (minA <= minB && maxA >= maxB);
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        }
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        /* Not reached */
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    default:
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        return SDL_memcmp(pBindingA, pBindingB, sizeof(*pBindingA)) == 0;
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    }
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}
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static void
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ConfigureBinding(const SDL_GameControllerExtendedBind *pBinding)
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{
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    SDL_GameControllerExtendedBind *pCurrent;
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    int iIndex;
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    int iCurrentElement = s_arrBindingOrder[s_iCurrentBinding];
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    /* Do we already have this binding? */
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    for (iIndex = 0; iIndex < SDL_arraysize(s_arrBindings); ++iIndex) {
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        pCurrent = &s_arrBindings[iIndex];
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        if (BBindingContainsBinding(pCurrent, pBinding)) {
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            if (iIndex == SDL_CONTROLLER_BUTTON_A && iCurrentElement != SDL_CONTROLLER_BUTTON_B) {
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                /* Skip to the next binding */
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                SetCurrentBinding(s_iCurrentBinding + 1);
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                return;
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            }
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            if (iIndex == SDL_CONTROLLER_BUTTON_B) {
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                /* Go back to the previous binding */
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                SetCurrentBinding(s_iCurrentBinding - 1);
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                return;
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            }
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            /* Already have this binding, ignore it */
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            return;
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        }
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    }
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    /* Should the new binding override the existing one? */
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    pCurrent = &s_arrBindings[iCurrentElement];
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    if (pCurrent->bindType != SDL_CONTROLLER_BINDTYPE_NONE) {
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        SDL_bool bNativeDPad, bCurrentDPad;
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        SDL_bool bNativeAxis, bCurrentAxis;
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        bNativeDPad = (iCurrentElement == SDL_CONTROLLER_BUTTON_DPAD_UP ||
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                       iCurrentElement == SDL_CONTROLLER_BUTTON_DPAD_DOWN ||
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                       iCurrentElement == SDL_CONTROLLER_BUTTON_DPAD_LEFT ||
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                       iCurrentElement == SDL_CONTROLLER_BUTTON_DPAD_RIGHT);
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        bCurrentDPad = (pCurrent->bindType == SDL_CONTROLLER_BINDTYPE_HAT);
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        if (bNativeDPad == bCurrentDPad) {
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            /* We already have a binding of the type we want, ignore the new one */
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            return;
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        }
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        bNativeAxis = (iCurrentElement >= SDL_CONTROLLER_BUTTON_MAX);
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        bCurrentAxis = (pCurrent->bindType == SDL_CONTROLLER_BINDTYPE_AXIS);
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        if (bNativeAxis == bCurrentAxis &&
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            (pBinding->bindType != SDL_CONTROLLER_BINDTYPE_AXIS ||
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             pBinding->value.axis.axis != pCurrent->value.axis.axis)) {
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            /* We already have a binding of the type we want, ignore the new one */
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            return;
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        }
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    }
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    *pCurrent = *pBinding;
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    s_unPendingAdvanceTime = SDL_GetTicks();
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}
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static SDL_bool
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BMergeAxisBindings(int iIndex)
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{
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    SDL_GameControllerExtendedBind *pBindingA = &s_arrBindings[iIndex];
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    SDL_GameControllerExtendedBind *pBindingB = &s_arrBindings[iIndex+1];
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    if (pBindingA->bindType == SDL_CONTROLLER_BINDTYPE_AXIS &&
slouken@10724
   315
        pBindingB->bindType == SDL_CONTROLLER_BINDTYPE_AXIS &&
slouken@10724
   316
        pBindingA->value.axis.axis == pBindingB->value.axis.axis) {
slouken@10724
   317
        if (pBindingA->value.axis.axis_min == pBindingB->value.axis.axis_min) {
slouken@10724
   318
            pBindingA->value.axis.axis_min = pBindingA->value.axis.axis_max;
slouken@10724
   319
            pBindingA->value.axis.axis_max = pBindingB->value.axis.axis_max;
slouken@10724
   320
            pBindingB->bindType = SDL_CONTROLLER_BINDTYPE_NONE;
slouken@10724
   321
            return SDL_TRUE;
slouken@10724
   322
        }
slouken@10724
   323
    }
slouken@10724
   324
    return SDL_FALSE;
slouken@10724
   325
}
slouken@10724
   326
slouken@10705
   327
static void
gabomdq@8043
   328
WatchJoystick(SDL_Joystick * joystick)
gabomdq@8043
   329
{
gabomdq@8043
   330
    SDL_Window *window = NULL;
gabomdq@8043
   331
    SDL_Renderer *screen = NULL;
icculus@8202
   332
    SDL_Texture *background, *button, *axis, *marker;
gabomdq@8043
   333
    const char *name = NULL;
slouken@10705
   334
    SDL_bool done = SDL_FALSE;
gabomdq@8043
   335
    SDL_Event event;
gabomdq@8043
   336
    SDL_Rect dst;
gabomdq@8043
   337
    Uint8 alpha=200, alpha_step = -1;
philipp@8786
   338
    Uint32 alpha_ticks = 0;
slouken@10705
   339
    SDL_JoystickID nJoystickID;
gabomdq@8043
   340
gabomdq@8043
   341
    /* Create a window to display joystick axis position */
gabomdq@8046
   342
    window = SDL_CreateWindow("Game Controller Map", SDL_WINDOWPOS_CENTERED,
gabomdq@8043
   343
                              SDL_WINDOWPOS_CENTERED, SCREEN_WIDTH,
gabomdq@8043
   344
                              SCREEN_HEIGHT, 0);
gabomdq@8043
   345
    if (window == NULL) {
gabomdq@8043
   346
        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create window: %s\n", SDL_GetError());
slouken@10705
   347
        return;
gabomdq@8043
   348
    }
gabomdq@8043
   349
gabomdq@8043
   350
    screen = SDL_CreateRenderer(window, -1, 0);
gabomdq@8043
   351
    if (screen == NULL) {
gabomdq@8043
   352
        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create renderer: %s\n", SDL_GetError());
gabomdq@8043
   353
        SDL_DestroyWindow(window);
slouken@10705
   354
        return;
gabomdq@8043
   355
    }
gabomdq@8043
   356
    
gabomdq@8043
   357
    background = LoadTexture(screen, "controllermap.bmp", SDL_FALSE);
gabomdq@8043
   358
    button = LoadTexture(screen, "button.bmp", SDL_TRUE);
gabomdq@8043
   359
    axis = LoadTexture(screen, "axis.bmp", SDL_TRUE);
gabomdq@8043
   360
    SDL_RaiseWindow(window);
gabomdq@8043
   361
icculus@8202
   362
    /* scale for platforms that don't give you the window size you asked for. */
icculus@8202
   363
    SDL_RenderSetLogicalSize(screen, SCREEN_WIDTH, SCREEN_HEIGHT);
icculus@8202
   364
gabomdq@8043
   365
    /* Print info about the joystick we are watching */
gabomdq@8043
   366
    name = SDL_JoystickName(joystick);
gabomdq@8043
   367
    SDL_Log("Watching joystick %d: (%s)\n", SDL_JoystickInstanceID(joystick),
gabomdq@8043
   368
           name ? name : "Unknown Joystick");
gabomdq@8043
   369
    SDL_Log("Joystick has %d axes, %d hats, %d balls, and %d buttons\n",
gabomdq@8043
   370
           SDL_JoystickNumAxes(joystick), SDL_JoystickNumHats(joystick),
gabomdq@8043
   371
           SDL_JoystickNumBalls(joystick), SDL_JoystickNumButtons(joystick));
gabomdq@8043
   372
    
gabomdq@8043
   373
    SDL_Log("\n\n\
gabomdq@8043
   374
    ====================================================================================\n\
gabomdq@8043
   375
    Press the buttons on your controller when indicated\n\
gabomdq@8043
   376
    (Your controller may look different than the picture)\n\
gabomdq@8043
   377
    If you want to correct a mistake, press backspace or the back button on your device\n\
gabomdq@8046
   378
    To skip a button, press SPACE or click/touch the screen\n\
gabomdq@8043
   379
    To exit, press ESC\n\
gabomdq@8043
   380
    ====================================================================================\n");
slouken@10705
   381
slouken@10705
   382
    nJoystickID = SDL_JoystickInstanceID(joystick);
gabomdq@8043
   383
slouken@10724
   384
    s_nNumAxes = SDL_JoystickNumAxes(joystick);
slouken@10724
   385
    s_arrAxisState = SDL_calloc(s_nNumAxes, sizeof(*s_arrAxisState));
slouken@10724
   386
gabomdq@8043
   387
    /* Loop, getting joystick events! */
slouken@10705
   388
    while (!done && !s_bBindingComplete) {
slouken@10705
   389
        int iElement = s_arrBindingOrder[s_iCurrentBinding];
slouken@10705
   390
slouken@10705
   391
        switch (s_arrBindingDisplay[iElement].marker) {
gabomdq@8043
   392
            case MARKER_AXIS:
gabomdq@8043
   393
                marker = axis;
gabomdq@8043
   394
                break;
gabomdq@8043
   395
            case MARKER_BUTTON:
gabomdq@8043
   396
                marker = button;
gabomdq@8043
   397
                break;
gabomdq@8043
   398
            default:
gabomdq@8043
   399
                break;
gabomdq@8043
   400
        }
gabomdq@8043
   401
        
slouken@10705
   402
        dst.x = s_arrBindingDisplay[iElement].x;
slouken@10705
   403
        dst.y = s_arrBindingDisplay[iElement].y;
gabomdq@8043
   404
        SDL_QueryTexture(marker, NULL, NULL, &dst.w, &dst.h);
icculus@8202
   405
slouken@10705
   406
        if (SDL_GetTicks() - alpha_ticks > 5) {
slouken@10705
   407
            alpha_ticks = SDL_GetTicks();
slouken@10705
   408
            alpha += alpha_step;
slouken@10705
   409
            if (alpha == 255) {
slouken@10705
   410
                alpha_step = -1;
gabomdq@8043
   411
            }
slouken@10705
   412
            if (alpha < 128) {
slouken@10705
   413
                alpha_step = 1;
gabomdq@8043
   414
            }
gabomdq@8043
   415
        }
gabomdq@8043
   416
slouken@10705
   417
        SDL_SetRenderDrawColor(screen, 0xFF, 0xFF, 0xFF, SDL_ALPHA_OPAQUE);
slouken@10705
   418
        SDL_RenderClear(screen);
slouken@10705
   419
        SDL_RenderCopy(screen, background, NULL, NULL);
slouken@10705
   420
        SDL_SetTextureAlphaMod(marker, alpha);
slouken@10705
   421
        SDL_SetTextureColorMod(marker, 10, 255, 21);
slouken@10705
   422
        SDL_RenderCopyEx(screen, marker, NULL, &dst, s_arrBindingDisplay[iElement].angle, NULL, SDL_FLIP_NONE);
slouken@10705
   423
        SDL_RenderPresent(screen);
slouken@10705
   424
            
slouken@10705
   425
        while (SDL_PollEvent(&event) > 0) {
slouken@10705
   426
            switch (event.type) {
slouken@10705
   427
            case SDL_JOYDEVICEREMOVED:
slouken@10705
   428
                if (event.jaxis.which == nJoystickID) {
slouken@10705
   429
                    done = SDL_TRUE;
slouken@10705
   430
                }
slouken@10705
   431
                break;
slouken@10705
   432
            case SDL_JOYAXISMOTION:
slouken@10705
   433
                if (event.jaxis.which == nJoystickID) {
slouken@10724
   434
                    AxisState *pAxisState = &s_arrAxisState[event.jaxis.axis];
slouken@10724
   435
                    int nValue = event.jaxis.value;
slouken@10724
   436
                    int nCurrentDistance, nFarthestDistance;
slouken@10724
   437
                    if (!pAxisState->m_bMoving) {
slouken@10724
   438
                        pAxisState->m_bMoving = SDL_TRUE;
slouken@10724
   439
                        pAxisState->m_nStartingValue = nValue;
slouken@10724
   440
                        pAxisState->m_nFarthestValue = nValue;
slouken@10724
   441
                    }
slouken@10724
   442
                    nCurrentDistance = SDL_abs(nValue - pAxisState->m_nStartingValue);
slouken@10724
   443
                    nFarthestDistance = SDL_abs(pAxisState->m_nFarthestValue - pAxisState->m_nStartingValue);
slouken@10724
   444
                    if (nCurrentDistance > nFarthestDistance) {
slouken@10724
   445
                        pAxisState->m_nFarthestValue = nValue;
slouken@10724
   446
                    }
slouken@10747
   447
                    if (nFarthestDistance >= 16000 && nCurrentDistance <= 10000) {
slouken@10745
   448
                        /* We've gone out far enough and started to come back, let's bind this axis */
slouken@10724
   449
                        SDL_GameControllerExtendedBind binding;
slouken@10705
   450
                        SDL_zero(binding);
slouken@10705
   451
                        binding.bindType = SDL_CONTROLLER_BINDTYPE_AXIS;
slouken@10724
   452
                        binding.value.axis.axis = event.jaxis.axis;
slouken@10724
   453
                        binding.value.axis.axis_min = StandardizeAxisValue(pAxisState->m_nStartingValue);
slouken@10724
   454
                        binding.value.axis.axis_max = StandardizeAxisValue(pAxisState->m_nFarthestValue);
slouken@10705
   455
                        ConfigureBinding(&binding);
slouken@10705
   456
                    }
slouken@10705
   457
                }
slouken@10705
   458
                break;
slouken@10705
   459
            case SDL_JOYHATMOTION:
slouken@10705
   460
                if (event.jhat.which == nJoystickID) {
slouken@10705
   461
                    if (event.jhat.value != SDL_HAT_CENTERED) {
slouken@10724
   462
                        SDL_GameControllerExtendedBind binding;
slouken@10705
   463
                        SDL_zero(binding);
slouken@10705
   464
                        binding.bindType = SDL_CONTROLLER_BINDTYPE_HAT;
slouken@10705
   465
                        binding.value.hat.hat = event.jhat.hat;
slouken@10705
   466
                        binding.value.hat.hat_mask = event.jhat.value;
slouken@10705
   467
                        ConfigureBinding(&binding);
slouken@10705
   468
                    }
slouken@10705
   469
                }
slouken@10705
   470
                break;
slouken@10705
   471
            case SDL_JOYBALLMOTION:
slouken@10705
   472
                break;
slouken@10705
   473
            case SDL_JOYBUTTONDOWN:
slouken@10705
   474
                if (event.jbutton.which == nJoystickID) {
slouken@10724
   475
                    SDL_GameControllerExtendedBind binding;
slouken@10705
   476
                    SDL_zero(binding);
slouken@10705
   477
                    binding.bindType = SDL_CONTROLLER_BINDTYPE_BUTTON;
slouken@10705
   478
                    binding.value.button = event.jbutton.button;
slouken@10705
   479
                    ConfigureBinding(&binding);
slouken@10705
   480
                }
slouken@10705
   481
                break;
slouken@10705
   482
            case SDL_FINGERDOWN:
slouken@10705
   483
            case SDL_MOUSEBUTTONDOWN:
slouken@10705
   484
                /* Skip this step */
slouken@10705
   485
                SetCurrentBinding(s_iCurrentBinding + 1);
slouken@10705
   486
                break;
slouken@10705
   487
            case SDL_KEYDOWN:
slouken@10705
   488
                if (event.key.keysym.sym == SDLK_BACKSPACE || event.key.keysym.sym == SDLK_AC_BACK) {
slouken@10705
   489
                    SetCurrentBinding(s_iCurrentBinding - 1);
slouken@10705
   490
                    break;
slouken@10705
   491
                }
slouken@10705
   492
                if (event.key.keysym.sym == SDLK_SPACE) {
slouken@10705
   493
                    SetCurrentBinding(s_iCurrentBinding + 1);
slouken@10705
   494
                    break;
slouken@10705
   495
                }
slouken@10705
   496
slouken@10705
   497
                if ((event.key.keysym.sym != SDLK_ESCAPE)) {
slouken@10705
   498
                    break;
slouken@10705
   499
                }
slouken@10705
   500
                /* Fall through to signal quit */
slouken@10705
   501
            case SDL_QUIT:
slouken@10705
   502
                done = SDL_TRUE;
slouken@10705
   503
                break;
slouken@10705
   504
            default:
slouken@10705
   505
                break;
slouken@10705
   506
            }
slouken@10705
   507
        }
slouken@10705
   508
slouken@10705
   509
        SDL_Delay(15);
slouken@10705
   510
slouken@10705
   511
        /* Wait 100 ms for joystick events to stop coming in,
slouken@10705
   512
           in case a controller sends multiple events for a single control (e.g. axis and button for trigger)
slouken@10705
   513
        */
slouken@10705
   514
        if (s_unPendingAdvanceTime && SDL_GetTicks() - s_unPendingAdvanceTime >= 100) {
slouken@10705
   515
            SetCurrentBinding(s_iCurrentBinding + 1);
slouken@10705
   516
        }
gabomdq@8043
   517
    }
gabomdq@8043
   518
slouken@10705
   519
    if (s_bBindingComplete) {
slouken@10705
   520
        char mapping[1024];
slouken@10705
   521
        char trimmed_name[128];
slouken@10705
   522
        char *spot;
slouken@10705
   523
        int iIndex;
slouken@10705
   524
        char pszElement[12];
slouken@10705
   525
slouken@10705
   526
        SDL_strlcpy(trimmed_name, name, SDL_arraysize(trimmed_name));
slouken@10705
   527
        while (SDL_isspace(trimmed_name[0])) {
slouken@10705
   528
            SDL_memmove(&trimmed_name[0], &trimmed_name[1], SDL_strlen(trimmed_name));
slouken@10705
   529
        }
slouken@10705
   530
        while (trimmed_name[0] && SDL_isspace(trimmed_name[SDL_strlen(trimmed_name) - 1])) {
slouken@10705
   531
            trimmed_name[SDL_strlen(trimmed_name) - 1] = '\0';
slouken@10705
   532
        }
slouken@10705
   533
        while ((spot = SDL_strchr(trimmed_name, ',')) != NULL) {
slouken@10705
   534
            SDL_memmove(spot, spot + 1, SDL_strlen(spot));
slouken@10705
   535
        }
slouken@10705
   536
slouken@10705
   537
        /* Initialize mapping with GUID and name */
slouken@10705
   538
        SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(joystick), mapping, SDL_arraysize(mapping));
slouken@10705
   539
        SDL_strlcat(mapping, ",", SDL_arraysize(mapping));
slouken@10705
   540
        SDL_strlcat(mapping, trimmed_name, SDL_arraysize(mapping));
slouken@10705
   541
        SDL_strlcat(mapping, ",", SDL_arraysize(mapping));
slouken@10705
   542
        SDL_strlcat(mapping, "platform:", SDL_arraysize(mapping));
slouken@10705
   543
        SDL_strlcat(mapping, SDL_GetPlatform(), SDL_arraysize(mapping));
slouken@10705
   544
        SDL_strlcat(mapping, ",", SDL_arraysize(mapping));
slouken@10705
   545
slouken@10705
   546
        for (iIndex = 0; iIndex < SDL_arraysize(s_arrBindings); ++iIndex) {
slouken@10724
   547
            SDL_GameControllerExtendedBind *pBinding = &s_arrBindings[iIndex];
slouken@10705
   548
            if (pBinding->bindType == SDL_CONTROLLER_BINDTYPE_NONE) {
slouken@10705
   549
                continue;
slouken@10705
   550
            }
slouken@10705
   551
slouken@10705
   552
            if (iIndex < SDL_CONTROLLER_BUTTON_MAX) {
slouken@10705
   553
                SDL_GameControllerButton eButton = (SDL_GameControllerButton)iIndex;
slouken@10705
   554
                SDL_strlcat(mapping, SDL_GameControllerGetStringForButton(eButton), SDL_arraysize(mapping));
slouken@10705
   555
            } else {
slouken@10724
   556
                const char *pszAxisName;
slouken@10724
   557
                switch (iIndex - SDL_CONTROLLER_BUTTON_MAX) {
slouken@10724
   558
                case SDL_CONTROLLER_BINDING_AXIS_LEFTX_NEGATIVE:
slouken@10724
   559
                    if (!BMergeAxisBindings(iIndex)) {
slouken@10724
   560
                        SDL_strlcat(mapping, "-", SDL_arraysize(mapping));
slouken@10724
   561
                    }
slouken@10724
   562
                    pszAxisName = SDL_GameControllerGetStringForAxis(SDL_CONTROLLER_AXIS_LEFTX);
slouken@10724
   563
                    break;
slouken@10724
   564
                case SDL_CONTROLLER_BINDING_AXIS_LEFTX_POSITIVE:
slouken@10724
   565
                    SDL_strlcat(mapping, "+", SDL_arraysize(mapping));
slouken@10724
   566
                    pszAxisName = SDL_GameControllerGetStringForAxis(SDL_CONTROLLER_AXIS_LEFTX);
slouken@10724
   567
                    break;
slouken@10724
   568
                case SDL_CONTROLLER_BINDING_AXIS_LEFTY_NEGATIVE:
slouken@10724
   569
                    if (!BMergeAxisBindings(iIndex)) {
slouken@10724
   570
                        SDL_strlcat(mapping, "-", SDL_arraysize(mapping));
slouken@10724
   571
                    }
slouken@10724
   572
                    pszAxisName = SDL_GameControllerGetStringForAxis(SDL_CONTROLLER_AXIS_LEFTY);
slouken@10724
   573
                    break;
slouken@10724
   574
                case SDL_CONTROLLER_BINDING_AXIS_LEFTY_POSITIVE:
slouken@10724
   575
                    SDL_strlcat(mapping, "+", SDL_arraysize(mapping));
slouken@10724
   576
                    pszAxisName = SDL_GameControllerGetStringForAxis(SDL_CONTROLLER_AXIS_LEFTY);
slouken@10724
   577
                    break;
slouken@10724
   578
                case SDL_CONTROLLER_BINDING_AXIS_RIGHTX_NEGATIVE:
slouken@10724
   579
                    if (!BMergeAxisBindings(iIndex)) {
slouken@10724
   580
                        SDL_strlcat(mapping, "-", SDL_arraysize(mapping));
slouken@10724
   581
                    }
slouken@10724
   582
                    pszAxisName = SDL_GameControllerGetStringForAxis(SDL_CONTROLLER_AXIS_RIGHTX);
slouken@10724
   583
                    break;
slouken@10724
   584
                case SDL_CONTROLLER_BINDING_AXIS_RIGHTX_POSITIVE:
slouken@10724
   585
                    SDL_strlcat(mapping, "+", SDL_arraysize(mapping));
slouken@10724
   586
                    pszAxisName = SDL_GameControllerGetStringForAxis(SDL_CONTROLLER_AXIS_RIGHTX);
slouken@10724
   587
                    break;
slouken@10724
   588
                case SDL_CONTROLLER_BINDING_AXIS_RIGHTY_NEGATIVE:
slouken@10724
   589
                    if (!BMergeAxisBindings(iIndex)) {
slouken@10724
   590
                        SDL_strlcat(mapping, "-", SDL_arraysize(mapping));
slouken@10724
   591
                    }
slouken@10724
   592
                    pszAxisName = SDL_GameControllerGetStringForAxis(SDL_CONTROLLER_AXIS_RIGHTY);
slouken@10724
   593
                    break;
slouken@10724
   594
                case SDL_CONTROLLER_BINDING_AXIS_RIGHTY_POSITIVE:
slouken@10724
   595
                    SDL_strlcat(mapping, "+", SDL_arraysize(mapping));
slouken@10724
   596
                    pszAxisName = SDL_GameControllerGetStringForAxis(SDL_CONTROLLER_AXIS_RIGHTY);
slouken@10724
   597
                    break;
slouken@10724
   598
                case SDL_CONTROLLER_BINDING_AXIS_TRIGGERLEFT:
slouken@10724
   599
                    pszAxisName = SDL_GameControllerGetStringForAxis(SDL_CONTROLLER_AXIS_TRIGGERLEFT);
slouken@10724
   600
                    break;
slouken@10724
   601
                case SDL_CONTROLLER_BINDING_AXIS_TRIGGERRIGHT:
slouken@10724
   602
                    pszAxisName = SDL_GameControllerGetStringForAxis(SDL_CONTROLLER_AXIS_TRIGGERRIGHT);
slouken@10724
   603
                    break;
slouken@10724
   604
                }
slouken@10724
   605
                SDL_strlcat(mapping, pszAxisName, SDL_arraysize(mapping));
slouken@10705
   606
            }
slouken@10705
   607
            SDL_strlcat(mapping, ":", SDL_arraysize(mapping));
slouken@10705
   608
slouken@10705
   609
            pszElement[0] = '\0';
slouken@10705
   610
            switch (pBinding->bindType) {
slouken@10705
   611
            case SDL_CONTROLLER_BINDTYPE_BUTTON:
slouken@10705
   612
                SDL_snprintf(pszElement, sizeof(pszElement), "b%d", pBinding->value.button);
slouken@10705
   613
                break;
slouken@10705
   614
            case SDL_CONTROLLER_BINDTYPE_AXIS:
slouken@10724
   615
                if (pBinding->value.axis.axis_min == 0 && pBinding->value.axis.axis_max == SDL_JOYSTICK_AXIS_MIN) {
slouken@10724
   616
                    /* The negative half axis */
slouken@10724
   617
                    SDL_snprintf(pszElement, sizeof(pszElement), "-a%d", pBinding->value.axis.axis);
slouken@10724
   618
                } else if (pBinding->value.axis.axis_min == 0 && pBinding->value.axis.axis_max == SDL_JOYSTICK_AXIS_MAX) {
slouken@10724
   619
                    /* The positive half axis */
slouken@10724
   620
                    SDL_snprintf(pszElement, sizeof(pszElement), "+a%d", pBinding->value.axis.axis);
slouken@10724
   621
                } else {
slouken@10724
   622
                    SDL_snprintf(pszElement, sizeof(pszElement), "a%d", pBinding->value.axis.axis);
slouken@10724
   623
                    if (pBinding->value.axis.axis_min > pBinding->value.axis.axis_max) {
slouken@10724
   624
                        /* Invert the axis */
slouken@10724
   625
                        SDL_strlcat(pszElement, "~", SDL_arraysize(pszElement));
slouken@10724
   626
                    }
slouken@10724
   627
                }
slouken@10705
   628
                break;
slouken@10705
   629
            case SDL_CONTROLLER_BINDTYPE_HAT:
slouken@10705
   630
                SDL_snprintf(pszElement, sizeof(pszElement), "h%d.%d", pBinding->value.hat.hat, pBinding->value.hat.hat_mask);
slouken@10705
   631
                break;
slouken@10705
   632
            default:
slouken@10705
   633
                SDL_assert(!"Unknown bind type");
slouken@10705
   634
                break;
slouken@10705
   635
            }
slouken@10705
   636
            SDL_strlcat(mapping, pszElement, SDL_arraysize(mapping));
slouken@10705
   637
            SDL_strlcat(mapping, ",", SDL_arraysize(mapping));
slouken@10705
   638
        }
slouken@10705
   639
gabomdq@8043
   640
        SDL_Log("Mapping:\n\n%s\n\n", mapping);
gabomdq@8043
   641
        /* Print to stdout as well so the user can cat the output somewhere */
gabomdq@8043
   642
        printf("%s\n", mapping);
gabomdq@8043
   643
    }
slouken@10724
   644
slouken@10724
   645
    SDL_free(s_arrAxisState);
slouken@10724
   646
    s_arrAxisState = NULL;
gabomdq@8043
   647
    
gabomdq@8043
   648
    SDL_DestroyRenderer(screen);
gabomdq@8043
   649
    SDL_DestroyWindow(window);
gabomdq@8043
   650
}
gabomdq@8043
   651
gabomdq@8043
   652
int
gabomdq@8043
   653
main(int argc, char *argv[])
gabomdq@8043
   654
{
gabomdq@8043
   655
    const char *name;
gabomdq@8043
   656
    int i;
gabomdq@8043
   657
    SDL_Joystick *joystick;
gabomdq@8043
   658
gabomdq@8043
   659
    /* Enable standard application logging */
philipp@9922
   660
    SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
gabomdq@8043
   661
gabomdq@8043
   662
    /* Initialize SDL (Note: video is required to start event loop) */
gabomdq@8043
   663
    if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK) < 0) {
gabomdq@8043
   664
        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s\n", SDL_GetError());
gabomdq@8043
   665
        exit(1);
gabomdq@8043
   666
    }
gabomdq@8043
   667
gabomdq@8043
   668
    /* Print information about the joysticks */
gabomdq@8043
   669
    SDL_Log("There are %d joysticks attached\n", SDL_NumJoysticks());
gabomdq@8043
   670
    for (i = 0; i < SDL_NumJoysticks(); ++i) {
gabomdq@8043
   671
        name = SDL_JoystickNameForIndex(i);
gabomdq@8043
   672
        SDL_Log("Joystick %d: %s\n", i, name ? name : "Unknown Joystick");
gabomdq@8043
   673
        joystick = SDL_JoystickOpen(i);
gabomdq@8043
   674
        if (joystick == NULL) {
gabomdq@8043
   675
            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_JoystickOpen(%d) failed: %s\n", i,
gabomdq@8043
   676
                    SDL_GetError());
gabomdq@8043
   677
        } else {
gabomdq@8043
   678
            char guid[64];
gabomdq@8043
   679
            SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(joystick),
gabomdq@8043
   680
                                      guid, sizeof (guid));
gabomdq@8043
   681
            SDL_Log("       axes: %d\n", SDL_JoystickNumAxes(joystick));
gabomdq@8043
   682
            SDL_Log("      balls: %d\n", SDL_JoystickNumBalls(joystick));
gabomdq@8043
   683
            SDL_Log("       hats: %d\n", SDL_JoystickNumHats(joystick));
gabomdq@8043
   684
            SDL_Log("    buttons: %d\n", SDL_JoystickNumButtons(joystick));
gabomdq@8043
   685
            SDL_Log("instance id: %d\n", SDL_JoystickInstanceID(joystick));
gabomdq@8043
   686
            SDL_Log("       guid: %s\n", guid);
slouken@10597
   687
            SDL_Log("    VID/PID: 0x%.4x/0x%.4x\n", SDL_JoystickGetVendor(joystick), SDL_JoystickGetProduct(joystick));
gabomdq@8043
   688
            SDL_JoystickClose(joystick);
gabomdq@8043
   689
        }
gabomdq@8043
   690
    }
gabomdq@8043
   691
gabomdq@8762
   692
#ifdef __ANDROID__
gabomdq@8043
   693
    if (SDL_NumJoysticks() > 0) {
gabomdq@8043
   694
#else
gabomdq@8043
   695
    if (argv[1]) {
gabomdq@8043
   696
#endif
philipp@8078
   697
        int device;
gabomdq@8762
   698
#ifdef __ANDROID__
philipp@8078
   699
        device = 0;
gabomdq@8043
   700
#else
philipp@8078
   701
        device = atoi(argv[1]);
gabomdq@8043
   702
#endif
philipp@8078
   703
        joystick = SDL_JoystickOpen(device);
slouken@10705
   704
        if (joystick == NULL) {
slouken@10705
   705
            SDL_Log("Couldn't open joystick %d: %s\n", device, SDL_GetError());
slouken@10705
   706
        } else {
slouken@10705
   707
            WatchJoystick(joystick);
slouken@10705
   708
            SDL_JoystickClose(joystick);
gabomdq@8043
   709
        }
gabomdq@8043
   710
    }
gabomdq@8043
   711
    else {
gabomdq@8043
   712
        SDL_Log("\n\nUsage: ./controllermap number\nFor example: ./controllermap 0\nOr: ./controllermap 0 >> gamecontrollerdb.txt");
gabomdq@8043
   713
    }
gabomdq@8043
   714
    SDL_QuitSubSystem(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK);
gabomdq@8043
   715
gabomdq@8043
   716
    return 0;
gabomdq@8043
   717
}
gabomdq@8043
   718
gabomdq@8043
   719
#else
gabomdq@8043
   720
gabomdq@8043
   721
int
gabomdq@8043
   722
main(int argc, char *argv[])
gabomdq@8043
   723
{
gabomdq@8043
   724
    SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL compiled without Joystick support.\n");
gabomdq@8043
   725
    exit(1);
gabomdq@8043
   726
}
gabomdq@8043
   727
gabomdq@8043
   728
#endif
slouken@10597
   729
slouken@10597
   730
/* vi: set ts=4 sw=4 expandtab: */