From ee24adf8b232564d7e0c8000bbe40c1e9e31be1c Mon Sep 17 00:00:00 2001
From: Kistaro Windrider <kistaro@gmail.com>
Date: Sat, 5 Jul 2025 20:27:14 -0700
Subject: [PATCH] path prototype

---
 vacuum_gambit.p8 | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/vacuum_gambit.p8 b/vacuum_gambit.p8
index a459dd3..e6af347 100644
--- a/vacuum_gambit.p8
+++ b/vacuum_gambit.p8
@@ -743,6 +743,32 @@ function segment:should_step(x, y)
  return ret
 end
 
+path = mknew {
+ loop_idx = 1,
+ current_idx = 1,
+ -- [1..n]: destinations
+}
+
+function path:reset()
+ self.loop_idx = 1
+ self.current_idx = 1
+end
+
+function path:target_from(fx, fy)
+ return self[self.current_idx]:target_from(fx, fy)
+end
+
+function path:update(x, y)
+ local idx = self.current_idx
+ if self[idx]:update(x, y) then
+  if idx == #self then
+   self.current_idx = self.loop_idx
+   return true
+  else
+   self.current_idx = idx+1
+  end
+ end
+end
 
 -->8
 -- bullet and gun behaviors