Add new level transition state machine

src/game/editor.c

@@ -1,5 +1,6 @@
 #include "game/editor.h"
 #include "game/entity_registry.h"
+#include "game/transition.h"
 #include "engine/core.h"
 #include "engine/input.h"
 #include "engine/renderer.h"
@@ -359,6 +360,16 @@ static bool save_tilemap(const Tilemap *map, const char *path) {
     if (map->player_unarmed)
         fprintf(f, "PLAYER_UNARMED\n");
 
+    /* Transition styles */
+    if (map->transition_in != TRANS_NONE) {
+        fprintf(f, "TRANSITION_IN %s\n",
+                transition_style_name(map->transition_in));
+    }
+    if (map->transition_out != TRANS_NONE) {
+        fprintf(f, "TRANSITION_OUT %s\n",
+                transition_style_name(map->transition_out));
+    }
+
     fprintf(f, "\n");
 
     /* Entity spawns */