townengine/apps/templates/c/game.c

#include "twn_game_api.h"
#include "state.h"

#include <stdlib.h>


void game_tick(void) {
    /* do state initialization when engine asks for it */
    /* it could happen multiple times per application run, as game code is reloadable */
    if (ctx.initialization_needed) {
        /* application data could be stored in ctx.udata and retrieved anywhere */
        if (!ctx.udata)
            ctx.udata = calloc(1, sizeof (struct state));
    }

    /* a lot of data is accessible from `ctx`, look into `townengine/context.h` for more */

    struct state *state = ctx.udata;
    ++state->counter;

    m_sprite("nothing!",
            (Rect) {
                .x = 0,
                .y = 0,
                .w = 32,
                .h = 32,
            }
    );
}


void game_end(void) {
    /* do your deinitialization here */
    struct state *state = ctx.udata;
    free(state);
}