--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libmlk-rpg/mlk/rpg/battle-entity-state.h	Sat Oct 15 21:24:17 2022 +0200
@@ -0,0 +1,47 @@
+/*
+ * battle-entity-state.h -- abstract battle entity state
+ *
+ * Copyright (c) 2020-2022 David Demelier <markand@malikania.fr>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef MLK_RPG_BATTLE_ENTITY_STATE_H
+#define MLK_RPG_BATTLE_ENTITY_STATE_H
+
+#include <mlk/core/core.h>
+
+struct battle_entity;
+struct sprite;
+
+struct battle_entity_state {
+	void *data;
+	int (*update)(struct battle_entity_state *, struct battle_entity *, unsigned int);
+	void (*draw)(const struct battle_entity_state *, const struct battle_entity *);
+	void (*finish)(struct battle_entity_state *, struct battle_entity *);
+};
+
+CORE_BEGIN_DECLS
+
+int
+battle_entity_state_update(struct battle_entity_state *, struct battle_entity *, unsigned int);
+
+void
+battle_entity_state_draw(const struct battle_entity_state *, const struct battle_entity *);
+
+void
+battle_entity_state_finish(struct battle_entity_state *, struct battle_entity *);
+
+CORE_END_DECLS
+
+#endif /* !MLK_RPG_BATTLE_ENTITY_STATE_H */