From 521be83dbbafc8e00589ed9a71d6657c03366de9 Mon Sep 17 00:00:00 2001
From: Camden Dixie O'Brien <cdo@wip.sh>
Date: Sun, 3 Nov 2024 21:24:48 +0000
Subject: [PATCH] Randomise maze generation with static seed

---
 main.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/main.c b/main.c
index 6ae989a..8dd0639 100644
--- a/main.c
+++ b/main.c
@@ -44,6 +44,12 @@ static void generate_step(maze_t *m, int x, int y)
 		return;
 
 	dir_t visit[] = { LEFT, RIGHT, UP, DOWN };
+	for (int i = 3; i > 0; --i) {
+		const int r = rand() % (i + 1);
+		const dir_t tmp = visit[r];
+		visit[r] = visit[i];
+		visit[i] = tmp;
+	}
 
 	for (int i = 0; i < 4; ++i) {
 		const int xp = x + steps[visit[i]].x;
@@ -99,6 +105,8 @@ static void draw_maze(Display *dpy, Window w, GC gc, const maze_t *m)
 
 int main(void)
 {
+	srand(1891342542362697);
+
 	XEvent evt;
 	Display *dpy = XOpenDisplay(NULL);
 	assert(dpy);