From 3fb3d12d6a984c660c3fd18bc74216fceab8467f Mon Sep 17 00:00:00 2001
From: kdx <kikoodx@paranoici.org>
Date: Fri, 31 Mar 2023 02:32:32 +0200
Subject: draw begin+end & update begin+end

---
 src/entity.h     |  4 ++++
 src/entityimpl.h |  8 ++++++++
 src/game.c       | 20 ++++++++++++++++++++
 3 files changed, 32 insertions(+)

diff --git a/src/entity.h b/src/entity.h
index 6b8d2e7..bf246d0 100644
--- a/src/entity.h
+++ b/src/entity.h
@@ -6,8 +6,12 @@ struct Game;
 typedef struct Entity Entity;
 struct Entity {
 	unsigned long uuid;
+	void (*update_begin)(Entity *this, struct Game *g);
 	void (*update)(Entity *this, struct Game *g);
+	void (*update_end)(Entity *this, struct Game *g);
+	void (*draw_begin)(Entity *this, struct Game *g);
 	void (*draw)(Entity *this, struct Game *g);
+	void (*draw_end)(Entity *this, struct Game *g);
 	unsigned int type;
 	const char *name;
 	int pos[2];
diff --git a/src/entityimpl.h b/src/entityimpl.h
index 397e58b..87eeb4c 100644
--- a/src/entityimpl.h
+++ b/src/entityimpl.h
@@ -5,8 +5,12 @@
 #include "entitytag.h"
 #include <string.h>
 
+[[maybe_unused]] static void *_draw_begin;
 [[maybe_unused]] static void *_draw;
+[[maybe_unused]] static void *_draw_end;
+[[maybe_unused]] static void *_update_begin;
 [[maybe_unused]] static void *_update;
+[[maybe_unused]] static void *_update_end;
 
 #define IMPL(X) static void X(Entity *this, Game *g); \
 __attribute__((constructor)) static void init_##X() { _##X = X; } \
@@ -22,8 +26,12 @@ __attribute__((constructor)) static void init_tag(void) { \
 static void _init(Entity *this); \
 static void init(Entity *this, const char *name, int x, int y, int w, int h) { \
 	memset(this, 0, sizeof(*this)); \
+	this->update_begin = _update_begin; \
 	this->update = _update; \
+	this->update_end = _update_end; \
+	this->draw_begin = _draw_begin; \
 	this->draw = _draw; \
+	this->draw_end = _draw_end; \
 	this->name = name; \
 	this->pos[0] = x; \
 	this->pos[1] = y; \
diff --git a/src/game.c b/src/game.c
index ea98bec..13b4432 100644
--- a/src/game.c
+++ b/src/game.c
@@ -37,22 +37,42 @@ game_update(Game *this)
 		if (--this->queue_restart_scene == 0)
 			game_restart_scene(this);
 	}
+	for (__auto_type i = 0; i < MAX_ENTITIES; i++) {
+		const __auto_type e = &this->entities[i];
+		if (e->type != 0 && e->update_begin != NULL)
+			e->update_begin(e, this);
+	}
 	for (__auto_type i = 0; i < MAX_ENTITIES; i++) {
 		const __auto_type e = &this->entities[i];
 		if (e->type != 0 && e->update != NULL)
 			e->update(e, this);
 	}
+	for (__auto_type i = 0; i < MAX_ENTITIES; i++) {
+		const __auto_type e = &this->entities[i];
+		if (e->type != 0 && e->update_end != NULL)
+			e->update_end(e, this);
+	}
 }
 
 void
 game_draw(Game *this)
 {
 	map_draw();
+	for (int i = 0; i < MAX_ENTITIES; i++) {
+		const __auto_type e = &this->entities[i];
+		if (e->type != 0 && e->draw_begin != NULL)
+			e->draw_begin(e, this);
+	}
 	for (int i = 0; i < MAX_ENTITIES; i++) {
 		const __auto_type e = &this->entities[i];
 		if (e->type != 0 && e->draw != NULL)
 			e->draw(e, this);
 	}
+	for (int i = 0; i < MAX_ENTITIES; i++) {
+		const __auto_type e = &this->entities[i];
+		if (e->type != 0 && e->draw_end != NULL)
+			e->draw_end(e, this);
+	}
 }
 
 void
-- 
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