hot reloading and friends

apps/template/game.c

@@ -4,11 +4,13 @@
 #include <malloc.h>
 
 
-void game_tick(void) {
-    /* do your initialization on first tick */
-    if (ctx.tick_count == 0) {
+void game_tick(t_ctx *ctx) {
+    /* 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 */
-        ctx.udata = ccalloc(1, sizeof (struct state));
+        if (!ctx.udata)
+            ctx.udata = ccalloc(1, sizeof (struct state));
     }
 
     /* a lot of data is accessible from `ctx`, look into `townengine/context.h` for more */