1 files changed, 35 insertions, 1 deletions

diff --git a/player.c b/player.c
index 7135557..ff3f53b 100644
--- a/player.c
+++ b/player.c
@@ -1,6 +1,7 @@
 #include "animation.h"
 #include "bullet.h"
 #include "components.h"
+#include "fx.h"
 #include "game.h"
 #include "game_config.h"
 #include "input.h"
@@ -129,6 +130,22 @@ void update_player(Player* player, World* world) {
 		player->shoot_countdown = player->shoot_cooldown;
 	}
 
+	if (player->invul) {
+		player->invul--;
+		player->invul_counter++;
+
+		if (player->invul_counter > 3) {
+			if (world->bitmask[e] & ctype_sprite) {
+				world->bitmask[e] &= ~ctype_sprite;
+			} else {
+				world->bitmask[e] |= ctype_sprite;
+			}
+			player->invul_counter = 0;
+		}
+	} else {
+		world->bitmask[e] |= ctype_sprite;
+	}
+
 	if (player->hp <= 0) {
 		world->oom = 0;
 		game_change_state(&game, game_state_dead);
@@ -137,8 +154,25 @@ void update_player(Player* player, World* world) {
 	player->shoot_countdown--;
 }
 
-void player_take_damage(Player* player, int dmg) {
+void player_take_damage(
+	World* world,
+	Player* player,
+	int dmg
+) {
+	const CPosition* pos;
+
+	pos = &world->positions[player->entity];
+
+	if (player->invul) { return; }
+
 	player->hp -= dmg;
+	player->invul = player_invul_frames;
+	player->invul_counter = 0;
+	new_heart_break(
+		world,
+		pos->x + (4 << fbits),
+		pos->y - (8 << fbits)
+	);
 }
 
 void update_camera(Player* player, World* world) {