From 29b6af55929c8fdf2954e8be62f1da30a0a8aace Mon Sep 17 00:00:00 2001
From: Rokas Puzonas <rokas.puz@gmail.com>
Date: Fri, 17 Jul 2026 02:50:47 +0300
Subject: [PATCH] implement random wandering

---
 src/app.zig | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/src/app.zig b/src/app.zig
index 83a7878..1f49ade 100644
--- a/src/app.zig
+++ b/src/app.zig
@@ -165,6 +165,8 @@ const Entity = struct {
     minion_throw_cooldown: Nanoseconds = 0,
     minion_carried_wood_head: ?EntityId = null,
     minion_carried_wood_len: u32 = 0,
+    minion_wander_target: ?Vec2 = null,
+    minion_wander_cooldown: Nanoseconds = 0,
 
     tree_health: u32 = 0,
     tree_max_health: u32 = 0,
@@ -606,6 +608,25 @@ fn minionLogic(self: *App, plt: Platform.Frame, minion_id: EntityId) !void {
 
     switch (minion.minion_state) {
         .wander => {
+            if (minion.minion_wander_cooldown == 0) {
+                const rand = self.prng.random();
+                minion.minion_wander_cooldown = rand.intRangeAtMost(Nanoseconds, 1000, 3000) * std.time.ns_per_ms;
+                // TODO: Add limits/walls
+                minion.minion_wander_target = .init(
+                    minion.pos.x + ((rand.float(f32)-0.5)*2) * 200,
+                    0,
+                );
+            }
+
+            if (minion.minion_wander_target) |target| {
+                if (minion.pos.distance(target) < goal_distance) {
+                    minion.minion_wander_cooldown = @max(minion.minion_wander_cooldown - plt.dt, 0);
+                }
+            } else {
+                minion.minion_wander_cooldown = 0;
+            }
+
+            walk_goal = minion.minion_wander_target;
         },
         .goto_tree_station => {
             if (minion.target_entity) |tree_station_id| {