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/enemy.c')

diff --git a/src/char/enemy.c b/src/char/enemy.c
index 82cc16b..fb259a2 100644
--- a/src/char/enemy.c
+++ b/src/char/enemy.c
@@ -97,6 +97,20 @@ _mf_enemy_turn(struct mf_char *c)
 	return 0;
 }
 
+static void
+_mf_enemy_collide(struct mf_char *c)
+{
+	/* Don't go forward unless necessary */
+	switch (c->cur_dir) {
+		case MF_CHAR_DIR_U_: c->cur_dir = MF_CHAR_DIR_D_; break;
+		case MF_CHAR_DIR_D_: c->cur_dir = MF_CHAR_DIR_U_; break;
+		case MF_CHAR_DIR_L_: c->cur_dir = MF_CHAR_DIR_R_; break;
+		case MF_CHAR_DIR_R_: c->cur_dir = MF_CHAR_DIR_L_; break;
+		default:             c->cur_dir = MF_CHAR_DIR_N_; break;
+	}
+	_mf_enemy_step(c);
+}
+
 static int
 _mf_enemy_render(struct mf_char *c __attribute__((__unused__)),
 		SDL_Renderer *renderer __attribute__((__unused__)))
--
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