From 3e619979dafa64c6b2576420ff1ce59462256d5e Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Tue, 10 Aug 2021 02:08:41 -0400
Subject: char: Add collision detection/handling

---
(limited to 'src/char/char.c')

diff --git a/src/char/char.c b/src/char/char.c
index 0ab7145..4a4a4e7 100644
--- a/src/char/char.c
+++ b/src/char/char.c
@@ -126,6 +126,24 @@ mf_char_update(struct mf_char *c)
 }
 
 int
+mf_char_collision(struct mf_char *c1, struct mf_char *c2, int handle)
+{
+	if (c1->cur_x == c2->cur_x && c1->cur_y == c2->cur_y) goto hit;
+	if (c1->cur_x == c2->new_x && c1->cur_y == c2->new_y) goto hit;
+	if (c1->new_x == c2->cur_x && c1->new_y == c2->cur_y) goto hit;
+	if (c1->new_x == c2->new_x && c1->new_y == c2->new_y) goto hit;
+
+	return 0;
+
+ hit:
+	if (handle == SDL_TRUE) {
+		c1->collide(c1);
+		c2->collide(c2);
+	}
+	return 1;
+}
+
+int
 mf_char_render(struct mf_char *c, SDL_Renderer *renderer)
 {
 	int    e   = 0;
--
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