From 44a31faf04009ee147f1e2fbf3ba3cab9fd13b12 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Thu, 19 Aug 2021 17:41:30 -0400
Subject: char/enemy: Try to fix movement lag

---
(limited to 'src')

diff --git a/src/char/enemy.c b/src/char/enemy.c
index 3f9f994..a8cda76 100644
--- a/src/char/enemy.c
+++ b/src/char/enemy.c
@@ -112,39 +112,6 @@ _mf_enemy_step(struct mf_char *c)
 static int
 _mf_enemy_turn(struct mf_char *c)
 {
-	struct mf_enemy *e = (struct mf_enemy *) c;
-	int              dx;
-	int              dy;
-	int              i;
-
-	switch (c->cur_dir) {
-		case MF_CHAR_DIR_U_: dx =  0; dy = -1; break;
-		case MF_CHAR_DIR_D_: dx =  0; dy =  1; break;
-		case MF_CHAR_DIR_L_: dx = -1; dy =  0; break;
-		case MF_CHAR_DIR_R_: dx =  1; dy =  0; break;
-		default:             dx =  0; dy =  0; break;
-	}
-
-	for (i = 0; i < e->num_allies; ++i) {
-		if (e->allies[i] == c) {
-			/* Found self */
-			continue;
-		}
-		if (e->allies[i]->cur_x == c->cur_x + dx &&
-				e->allies[i]->cur_y == c->cur_y + dy) {
-			/* Another enemy currently in this direction */
-			return _mf_enemy_step(c);
-		}
-		if (e->allies[i]->new_x == c->cur_x + dx &&
-				e->allies[i]->new_y == c->cur_y + dy) {
-			/* Another enemy moving in this direction */
-			return _mf_enemy_step(c);
-		}
-	}
-
-	/* Go straight */
-	c->new_dir = c->cur_dir;
-
 	return 0;
 }
 
@@ -244,9 +211,41 @@ mf_enemy_random_jump(struct mf_char *c, int maze_size)
 int
 mf_enemy_postupdate(struct mf_char *c)
 {
-	if (c->travel == 0 && c->turning == 0) {
-		return _mf_enemy_turn(c);
-	} else {
+	struct mf_enemy *e = (struct mf_enemy *) c;
+	int              dx;
+	int              dy;
+	int              i;
+
+	if (c->turning > 0 || c->new_dir != MF_CHAR_DIR_N_) {
 		return 0;
 	}
+
+	switch (c->cur_dir) {
+		case MF_CHAR_DIR_U_: dx =  0; dy = -1; break;
+		case MF_CHAR_DIR_D_: dx =  0; dy =  1; break;
+		case MF_CHAR_DIR_L_: dx = -1; dy =  0; break;
+		case MF_CHAR_DIR_R_: dx =  1; dy =  0; break;
+		default:             dx =  0; dy =  0; break;
+	}
+
+	for (i = 0; i < e->num_allies; ++i) {
+		if (e->allies[i] == c) {
+			/* Found self */
+			continue;
+		}
+		if (e->allies[i]->cur_x == c->cur_x + dx &&
+				e->allies[i]->cur_y == c->cur_y + dy) {
+			/* Another enemy currently in this direction */
+			return _mf_enemy_step(c);
+		}
+		if (e->allies[i]->new_x == c->cur_x + dx &&
+				e->allies[i]->new_y == c->cur_y + dy) {
+			/* Another enemy moving in this direction */
+			return _mf_enemy_step(c);
+		}
+	}
+
+	/* Go straight */
+	c->new_dir = c->cur_dir;
+	return 0;
 }
--
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