From a4dec0e9523f4cab62e023435b07ae40b4742a10 Mon Sep 17 00:00:00 2001
From: "Zed A. Shaw" <zed.shaw@gmail.com>
Date: Thu, 24 Jul 2025 00:33:09 -0400
Subject: [PATCH] Still a few spots in the pathing code that didn't use numpyt.

---
 phase_12.py | 53 +++++++++++++++++++----------------------------------
 1 file changed, 19 insertions(+), 34 deletions(-)

diff --git a/phase_12.py b/phase_12.py
index ff494a7..04314dc 100644
--- a/phase_12.py
+++ b/phase_12.py
@@ -208,31 +208,31 @@ class GameEngine:
         self.map = Map(ui.width, ui.height - ui.status_height)
         self.ui = ui
         ui.set_map(self.map)
+        self.height = self.map.height
+        self.width = self.map.width
+        self.paths = np.full((self.height, self.width), PATH_LIMIT, dtype=int)
 
     def add_neighbors(self, neighbors, closed, near_y, near_x):
         points = compass(near_x, near_y)
 
         for x,y in points:
-            if self.map.inbounds(x,y) and closed[y][x] == SPACE:
-                closed[y][x] = WALL
+            if self.map.inbounds(x,y) and closed[y, x] == SPACE:
+                closed[y, x] = WALL
                 neighbors.append([x,y])
 
     def path_enemies(self, in_grid):
-        height = self.map.height
-        width = self.map.width
-
-        self.paths = [[PATH_LIMIT] * width for x in range(0, height)]
-        closed = [list(row) for row in self.map.map]
+        self.paths.fill(PATH_LIMIT)
+        closed = self.map.map.copy()
         starting_pixels = []
         open_pixels = []
 
         counter = 0
-        while counter < height * width:
-            x = counter % width
-            y = counter // width
-            if in_grid[y][x] == 0:
-                self.paths[y][x] = 0
-                closed[y][x] = WALL
+        while counter < self.height * self.width:
+            x = counter % self.width
+            y = counter // self.width
+            if in_grid[y, x] == 0:
+                self.paths[y, x] = 0
+                closed[y, x] = WALL
                 starting_pixels.append([x,y])
             counter += 1
 
@@ -243,43 +243,28 @@ class GameEngine:
         while counter < PATH_LIMIT and open_pixels:
             next_open = []
             for x,y in open_pixels:
-                self.paths[y][x] = counter
+                self.paths[y, x] = counter
                 self.add_neighbors(next_open, closed, y, x)
             open_pixels = next_open
             counter += 1
 
         for x, y in open_pixels:
-            self.paths[y][x] = counter
-
-    def debug_paths(self):
-        debug_map = []
-
-        for y in range(0, self.map.height):
-            row = list(self.map.map[y])
-            for x in range(0, self.map.width):
-                level = self.paths[y][x]
-                if row[x] != WALL:
-                    if level < 10:
-                        row[x] = str(level)
-                    else:
-                        row[x] = '*'
-            debug_map.append("".join(row))
-        return debug_map
+            self.paths[y, x] = counter
 
     def move_enemies(self):
-        in_grid = [[1] * self.map.width for x in range(0, self.map.height)]
-        in_grid[self.player.y][self.player.x] = 0
+        in_grid = np.full((self.map.height, self.map.width), 1, dtype=int)
+        in_grid[self.player.y, self.player.x] = 0
 
         self.path_enemies(in_grid)
         # for every enemy (actors[0] is player)
         for enemy in self.actors[1:]:
             nearby = compass(enemy.x, enemy.y)
-            our_path = self.paths[enemy.y][enemy.x]
+            our_path = self.paths[enemy.y, enemy.x]
 
             if our_path > enemy.hearing_distance: continue
 
             for x, y in nearby:
-                if self.paths[y][x] <= our_path and not self.actor_collision(enemy, x, y):
+                if self.paths[y, x] <= our_path and not self.actor_collision(enemy, x, y):
                     enemy.x = x
                     enemy.y = y
                     break