From d2837633da48e3cc0530d718de5e0bbfcd4fcc34 Mon Sep 17 00:00:00 2001
From: quou <quou@disroot.org>
Date: Mon, 30 Sep 2024 22:28:50 +1000
Subject: enemy invulnerable frames

---
 config.h | 1 +
 enemy.c  | 6 ++++++
 obj.h    | 2 +-
 3 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/config.h b/config.h
index f2b0699..e5c4936 100644
--- a/config.h
+++ b/config.h
@@ -40,6 +40,7 @@
 #define player_lunge_force (f1)
 #define player_slash_damage 1
 
+#define enemy_inv_frames 8
 #define enemy_demon_move_force 32
 #define enemy_demon_attack_dist f1
 #define enemy_demon_jump_force (5 << fbits)
diff --git a/enemy.c b/enemy.c
index bc0bbba..1c82e47 100644
--- a/enemy.c
+++ b/enemy.c
@@ -44,6 +44,7 @@ void init_enemy(Enemy* e, Enemy_Type t, int x, int y) {
 	e->anim = asset_id_demon_idle_left_anm;
 	e->face = face_left;
 	e->state = enemy_state_patrol;
+	e->inv = 0;
 }
 
 void update_enemy_anim(Enemy* e) {
@@ -82,6 +83,10 @@ void update_enemy_phys(Enemy* e, const Map* map) {
 void update_enemy_hurt(Enemy* e, const World* w) {
 	Rect a;
 	int i;
+	if (e->inv)	{
+		e->inv--;
+		return;
+	}
 	get_enemy_rect(e->t, &a);
 	a.x += e->x >> fbits;
 	a.y += e->y >> fbits;
@@ -91,6 +96,7 @@ void update_enemy_hurt(Enemy* e, const World* w) {
 			e->hp -= dz->hp;
 			e->vx -= dz->vx;
 			e->vy -= dz->vy;
+			e->inv = enemy_inv_frames;
 		}
 	}
 }
diff --git a/obj.h b/obj.h
index 8824a2d..7cbb962 100644
--- a/obj.h
+++ b/obj.h
@@ -52,7 +52,7 @@ typedef struct {
 	int x, y, vx, vy;
 	int hp, frame, anim;
 	int grounded, headbutted, on_ramp;
-	int state;
+	int state, inv;
 	Face face;
 	Rect rect;
 } Enemy;
-- 
cgit v1.2.3-54-g00ecf