New flying enemy that drops arrows

1 files changed, 59 insertions, 0 deletions

diff --git a/projectile.c b/projectile.c
new file mode 100644
index 0000000..ce68e8f
--- /dev/null
+++ b/projectile.c
@@ -0,0 +1,59 @@
+#include "animation.h"
+#include "asset.h"
+#include "maths.h"
+#include "obj.h"
+#include "physics.h"
+#include "render.h"
+#include "world.h"
+
+void init_projectile(
+	Projectile* p,
+	int x,
+	int y,
+	const Rect* r,
+	int anim
+) {
+	p->r = *r;
+	p->frame = 0;
+	p->anim = anim;
+	p->x = x;
+	p->y = y;
+	p->vx = 0;
+	p->vy = 0;
+	p->s.x = 0;
+	p->s.y = 0;
+	p->s.w = 0;
+	p->s.h = 0;
+}
+
+int update_projectile(
+	Projectile* p,
+	const World* w
+) {
+	Rect r = p->r;
+	int grounded = 1, headbutted = 1, on_ramp = 0;
+	const Animation* a = get_animation(p->anim);
+	r.x <<= fbits;
+	r.y <<= fbits;
+	r.w <<= fbits;
+	r.h <<= fbits;
+	update_body(
+		&w->map,
+		&p->x,
+		&p->y,
+		&p->vx,
+		&p->vy,
+		&grounded,
+		&headbutted,
+		&on_ramp,
+		&r
+	);
+	update_anim(a, &p->frame, &p->s);
+	return !grounded;
+}
+
+void ren_projectile(const Projectile* p, Renderer* r) {
+	const Bitmap* bm = get_bitmap(asset_id_arms_img);
+	ren_map(r, p->x >> fbits, p->y >> fbits, &p->s, bm);
+}
+