SDL Wii/Inputs
From WiiBrew
< SDL Wii
Input sample
This is a sample source code for testing inputs
Download binaries here [1]
/** @file main.c @note Published under the GPL 3 license (see license.txt for more info) */ //standard includes #include <stdlib.h> #include "fontmap.h" //for display purpose #ifndef GEKKO #include <stdbool.h> #else //Wii includes #include <gccore.h> #include <fat.h> #endif //SDL includes #include <SDL/SDL.h> #define WINDOW_HEIGHT 480 #define WINDOW_WIDTH 640 /* define an array of pointer of joysticks, for games with one player, use just a SDL_Joystick* SDL_NumJoysticks and a malloc is also a good alternative for variable number of joysticks at runtime (not usual thougth) */ #define JOYNUMS 4 SDL_Joystick* joysticks[JOYNUMS]; int p1_x = 0; int p1_y = 0; int main(int argc, char** argv) { #ifdef GEKKO fatInitDefault(); #endif srand(time(NULL)); if ( SDL_Init( SDL_INIT_VIDEO | SDL_INIT_JOYSTICK) < 0 ) // SDL_INIT_JOYSTICK must be passed to the init function { fprintf(stderr, "Unable to init SDL: %s\n", SDL_GetError() ); exit(EXIT_FAILURE); } fontmap_init(); for(int i=0;i<JOYNUMS;i++){ joysticks[i] = SDL_JoystickOpen(i); //Open each joysticks } SDL_WM_SetCaption("joytest", NULL); atexit(SDL_Quit); SDL_ShowCursor(SDL_DISABLE); // create a new window SDL_Surface *screen=NULL; screen = SDL_SetVideoMode(WINDOW_WIDTH, WINDOW_HEIGHT, 16, SDL_HWSURFACE); if (!screen){ fprintf(stderr, "Unable to set video: %s\n", SDL_GetError()); exit(EXIT_FAILURE); } state_in_game(screen); for(int i=0;i<JOYNUMS;i++){ SDL_JoystickClose(i); //Close each joysticks } SDL_Quit(); return EXIT_SUCCESS; } void state_in_game(SDL_Surface *screen) { bool done=false; int i = 0; int offset_x = 25; int offset_y = 8; int jaxis_value=0; int jaxis_axis=0; int jaxis_which=0; int x_move=0; int y_move=0; while (!done) { SDL_FillRect(screen, 0, SDL_MapRGB(screen->format, 35, 75, 0)); //joysticks properties can be fetched for(i=0;i<JOYNUMS;i++){ fontmap_printf(i * (FONTMAP_SIZE * offset_x), 0, screen, "JOYPAD %d\nHAS %d AXES \nAND %d BUTTONS \nAND %d BALLS \nAND %d HATS ", i, SDL_JoystickNumAxes(joysticks[i]), SDL_JoystickNumButtons(joysticks[i]), SDL_JoystickNumBalls(joysticks[i]), SDL_JoystickNumHats(joysticks[i])); } SDL_JoystickUpdate(); //Update jotsticks status each loop SDL_Event event; while (SDL_PollEvent(&event)){ if(event.type == SDL_QUIT){ exit(EXIT_SUCCESS); } // Check button status is almost like handling keyboard events, use SDL_JOYBUTTONDOWN and SDL_JOYBUTTONUP switch ( event.type ) { case SDL_JOYBUTTONDOWN: switch(event.jbutton.button) { case 0: //A fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "A DOWN AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 1: //B fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "B DOWN AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 2: //1 fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "1 DOWN AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 3: //2 fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "2 DOWN AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 4: //- fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "MINUS DOWN AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 5: //+ fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "PLUS DOWN AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 6: //HOME fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "HOME DOWN AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 7: //Z fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "Z DOWN AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 8: //C fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "C DOWN AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 9: //a fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "A DOWN AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 10: //b fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "B DOWN AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 11: //x fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "X DOWN AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 12: //y fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "Y DOWN AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 13: //l fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "1 DOWN AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 14: //r fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "L DOWN AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 15: //zl fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "R DOWN AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 16: //zr fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "ZR DOWN AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 17: //- fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "MINUS DOWN AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 18: //+ fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "PLUS DOWN AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 19: //HOME fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "HOME DOWN AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; default: break; } break; case SDL_JOYBUTTONUP: switch(event.jbutton.button) { case 0: //A fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "A UP AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 1: //B fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "B UP AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 2: //1 fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "1 UP AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 3: //2 fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "2 UP AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 4: //- fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "MINUS UP AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 5: //+ fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "PLUS UP AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 6: //HOME fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "HOME UP AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 7: //Z fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "Z UP AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 8: //C fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "C UP AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 9: //a fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "A UP AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 10: //b fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "B UP AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 11: //x fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "X UP AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 12: //y fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "Y UP AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 13: //l fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "1 UP AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 14: //r fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "L UP AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 15: //zl fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "R UP AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 16: //zr fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "ZR UP AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 17: //- fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "MINUS UP AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 18: //+ fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "PLUS UP AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; case 19: //HOME fontmap_printf( event.jbutton.which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (event.jbutton.button + offset_y), screen, "HOME UP AND %s", (event.jbutton.state == SDL_PRESSED ? "PRESSED": "RELEASED")); break; default: break; } break; //An axis motion case SDL_JOYAXISMOTION: if ( ( event.jaxis.value < -3200 ) || (event.jaxis.value > 3200 ) ) { jaxis_which = event.jaxis.which; jaxis_axis = event.jaxis.axis; jaxis_value = event.jaxis.value; if( event.jaxis.axis == 0) { /* Left and right movement (according to jaxis_value) of the nunchuck stick or left analogic stick of the classic pad*/ } if( event.jaxis.axis == 1) { /* Up and Down movement (according to jaxis_value) of the nunchuck stick or left analogic stick of the classic pad */ } } break; } //Infra Red is mapped as a mouse if( event.type == SDL_MOUSEMOTION ) { p1_x = event.motion.x; p1_y = event.motion.y; } } //end of pool event fontmap_printf( jaxis_which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (SDL_JoystickNumButtons(joysticks[jaxis_which]) + offset_y), screen, "IR X %d IR Y %d", p1_x, p1_y); fontmap_printf( jaxis_which * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (SDL_JoystickNumButtons(joysticks[jaxis_which]) + offset_y + 1), screen, "JOYAXISMOTION OF PAD %d\nAXIS %d\nVALUE %.4d", jaxis_which, jaxis_axis, jaxis_value); // The hat report the Directional PAD status for(int joy_number=0;joy_number<JOYNUMS;joy_number++){ int hat_number = SDL_JoystickNumHats(joysticks[joy_number]); for(int curhat=0;curhat<hat_number;curhat++){ int joystate = SDL_JoystickGetHat(joysticks[joy_number], curhat); switch (joystate){ case SDL_HAT_CENTERED: fontmap_printf( joy_number * (FONTMAP_SIZE * offset_x), offset_y * FONTMAP_SIZE, screen, "HAT %d CENTERED", curhat); break; case SDL_HAT_UP: fontmap_printf( joy_number * (FONTMAP_SIZE * offset_x), offset_y * FONTMAP_SIZE, screen, "HAT %d UP", curhat); break; case SDL_HAT_RIGHT: fontmap_printf( joy_number * (FONTMAP_SIZE * offset_x), offset_y * FONTMAP_SIZE, screen, "HAT %d RIGHT", curhat); break; case SDL_HAT_DOWN: fontmap_printf( joy_number * (FONTMAP_SIZE * offset_x), offset_y * FONTMAP_SIZE, screen, "HAT %d DOWN", curhat); break; case SDL_HAT_LEFT: fontmap_printf( joy_number * (FONTMAP_SIZE * offset_x), offset_y * FONTMAP_SIZE, screen, "HAT %d LEFT", curhat); break; case SDL_HAT_RIGHTUP: fontmap_printf( joy_number * (FONTMAP_SIZE * offset_x), offset_y * FONTMAP_SIZE, screen, "HAT %d RIGHTUP", curhat); break; case SDL_HAT_RIGHTDOWN: fontmap_printf( joy_number * (FONTMAP_SIZE * offset_x), offset_y * FONTMAP_SIZE, screen, "HAT %d RIGHTDOWN", curhat); break; case SDL_HAT_LEFTUP: fontmap_printf( joy_number * (FONTMAP_SIZE * offset_x), offset_y * FONTMAP_SIZE, screen, "HAT %d LEFTUP", curhat); break; case SDL_HAT_LEFTDOWN: fontmap_printf( joy_number * (FONTMAP_SIZE * offset_x), offset_y * FONTMAP_SIZE, screen, "HAT %d LEFTDOWN", curhat); break; } } //Axis events can be fetched with a get axis function x_move=SDL_JoystickGetAxis(joysticks[joy_number], 0); y_move=SDL_JoystickGetAxis(joysticks[joy_number], 1); fontmap_printf( joy_number * (FONTMAP_SIZE * offset_x), FONTMAP_SIZE * (SDL_JoystickNumButtons(joysticks[joy_number])+ offset_y + 5), screen, "JOYSTICKGETAXIS\nX MOVE %d Y MOVE %d", x_move, y_move); } SDL_Flip(screen); } }
