Add killing enemies.

1 files changed, 23 insertions, 6 deletions

diff --git a/enemy.c b/enemy.c
index 9a67cba..6729862 100644
--- a/enemy.c
+++ b/enemy.c
@@ -9,6 +9,7 @@ Entity new_skull(World* world, int x, int y) {
 	CSprite* sprite;
 	CPosition* pos;
 	CEnemy* enemy;
+	CCollider* col;
 	Entity e;
 
 	e = new_entity(world);
@@ -18,15 +19,22 @@ Entity new_skull(World* world, int x, int y) {
 		ctype_position |
 		ctype_sprite |
 		ctype_enemy |
-		ctype_skull
+		ctype_skull |
+		ctype_collider
 	);
 	pos = &world->positions[e];
 	sprite = &world->sprites[e];
 	enemy = &world->enemies[e];
+	col = &world->colliders[e];
 
 	pos->x = x;
 	pos->y = y;
 
+	col->x = 2  << fbits;
+	col->y = 2  << fbits;
+	col->w = 14 << fbits;
+	col->h = 14 << fbits;
+
 	init_csprite(sprite, sprite_skull_right);
 
 	enemy->hp = skull_hp;
@@ -44,13 +52,22 @@ void enemy_system(World* world) {
 	Player* player;
 	CPosition* ppos;
 	int dpx, dpy, tpx, tpy, d;
-	char buf[32];
 
 	player = &world->player;
 	ppos = &world->positions[player->entity];
 
 	for (i = 0; i < world->entity_count; i++) {
 		bits = world->bitmask[i];
+		if (bits & ctype_enemy) {
+			enemy = &world->enemies[i];
+			if (enemy->hp <= 0) {
+				destroy_entity(world, i);
+			}
+		}
+	}
+
+	for (i = 0; i < world->entity_count; i++) {
+		bits = world->bitmask[i];
 		if (
 			(bits & ctype_position) &&
 			(bits & ctype_enemy) &&
@@ -59,8 +76,8 @@ void enemy_system(World* world) {
 			pos = &world->positions[i];
 			enemy = &world->enemies[i];
 
-			dpx = (ppos->x - pos->x) >> 4;
-			dpy = (ppos->y - pos->y) >> 4;
+			dpx = ((ppos->x - pos->x) >> 4) + 256;
+			dpy = ((ppos->y - pos->y) >> 4) + 256;
 			tpx = dpx;
 			tpy = dpy;
 			d = ((dpx * dpx) >> fbits) + ((dpy * dpy) >> fbits);
@@ -89,8 +106,8 @@ void enemy_system(World* world) {
 
 				new_enemy_bullet(
 					world,
-					pos->x,
-					pos->y,
+					pos->x + 2560,
+					pos->y + 2560,
 					tpx * enemy_bullet_speed,
 					tpy * enemy_bullet_speed
 				);