sdk_kb_mash_test.cpp

sdk_kb_mash_test.cpp

#include <stdio.h>
#include <assert.h>
//#include <SDL.h>
#include <SDL2/SDL.h>

bool keys_hit[512] = {};

SDL_Keycode __small_keysym_to_sdl_keysym(int smks) {
    SDL_Keycode ret = 0;
    if (smks >= 256) {
        ret = 0x40000000;
    }
    ret = ret | (smks &0xff);
    return ret;
}

int __sdl_keysym_to_small_keysym(SDL_Keycode sdl_k) {
    
    int ret = 0xff & sdl_k;
    if (0x40000000 & sdl_k) ret += 256;
    
    assert(ret >=0);
    assert(ret < 512);
    
    assert(sdl_k == __small_keysym_to_sdl_keysym(ret));
    
    keys_hit[ret] = true;
    
    int hit_count = 0;
    bool in_used_range = false;
    for (int i=0;i<512;i++) {
        if(keys_hit[i]) {
            if (!in_used_range) {
                printf("%d - ", i);
                in_used_range = true;
            }
            hit_count++;
        } else {
            if (in_used_range) {
                printf("%d, ", i-1);
                in_used_range = false;
            }
        }
    }
    printf("\n");
    
    printf("keys hit_count %d\n", hit_count);
    
    return ret;
};

int main () {
    
    auto r1 = SDL_Init(SDL_INIT_VIDEO);
    assert(!r1);
    
    auto window = SDL_CreateWindow("BLOOP", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 
                                   1280, 720, SDL_WINDOW_RESIZABLE);
    assert(window);
    bool done=false;
    while(!done) {
        SDL_Event event;
        while (SDL_PollEvent(&event)) {
            switch (event.type) {
                case SDL_KEYDOWN: { 
                    auto k = event.key.keysym.sym;
                    
                    static unsigned int ALL_KEY_MASK = 0;
                    
                    ALL_KEY_MASK = ALL_KEY_MASK | k;
                    
                    printf("ALL_KEY_MASK:%x small:%d\n", ALL_KEY_MASK, __sdl_keysym_to_small_keysym(k));
                    
                } break;
                case SDL_QUIT: {
                    done = true;
                } break;
            }
        }
    }
    
}