a simple demo of loading block data with libredstone

demo.c

#include <libredstone/redstone.h>

int main(int argc, char* argv[])
{
    RSRegion* region = rs_region_open("path/to/regions/r.0.0.mcr", false);
    if (!region)
    {
        /* file didn't load... */
        return 1;
    }

    RSNBT* chunk = rs_nbt_parse_from_region(region, 0, 0); /* 0, 0 == coords */
    if (!chunk)
    {
        /* chunk doesn't exist... */
        return 1;
    }
    
    RSTag* blockdata_tag = rs_nbt_find(chunk, "Blocks");
    if (!blockdata_tag)
    {
        /* invalid chunk format... */
        return 1;
    }
    
    uint8_t* blocks = rs_tag_get_byte_array(blockdata_tag);
    
    /* do something with blocks, which is a flat, 1d array */
    blocks[0] = 0;
    
    /* free used memory */
    rs_nbt_free(chunk);
    rs_region_close(region);
    
    return 0;
}