From 9acf1ee8064b6c7bbf5446085eac769effb0df13 Mon Sep 17 00:00:00 2001
From: Peter Ward <peteraward@gmail.com>
Date: Thu, 10 Apr 2014 20:11:12 +1000
Subject: split out bots into separate files

---
 capturer.py | 69 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 capturer.py

(limited to 'capturer.py')

diff --git a/capturer.py b/capturer.py
new file mode 100644
index 0000000..a6bb990
--- /dev/null
+++ b/capturer.py
@@ -0,0 +1,69 @@
+import random
+
+import robots
+
+from robots.algorithms import distance_relaxer
+from robots.constants import City
+from robots.utils import add_spawns
+
+class CaptureSpawns(object):
+    def __init__(self, variance=0.1):
+        self.distances = None
+        self.iterations = 10
+        self.variance = variance
+
+    def __call__(self, whoami, state):
+        my_robots = state.robots_by_player[whoami]
+
+        self.distances = [
+            [
+                {
+                    City.NORMAL: (
+                        float('inf')
+#                        if self.distances is None or self.distances[y][x] is None
+#                        else self.distances[y][x] + self.iterations // 2
+                    ),
+                    City.FACTORY: (
+                        0
+                        if state.allegiances.get((x, y)) != whoami else
+                        float('inf')
+                    ),
+                    City.GHOST: None,
+                }[city]
+                for x, city in enumerate(row)
+            ]
+            for y, row in enumerate(state.cities)
+        ]
+
+        predecessors = distance_relaxer(self.distances, None)
+
+        results = []
+        for x, y, energy in my_robots:
+            if random.random() < self.variance:
+                result = random.choice('ULDR')
+            elif predecessors[y][x]:
+                result = predecessors[y][x]
+            elif state.allegiances.get((x, y)) != whoami:
+                result = 'P'
+            else:
+                result = random.choice('UDLR')
+            results.append(result)
+        return results
+
+if __name__ == '__main__':
+#    random.seed(42)
+    map_ = robots.border_map(40, 30, 0)
+
+    add_spawns(map_, 300, 'X')
+    add_spawns(map_, 20, '+')
+
+    for y in range(20):
+        map_[y][20] = 'X'
+
+    add_spawns(map_, 6)
+
+    game = robots.Game(map_)
+    game.add_bot(CaptureSpawns(variance=0), 'Alice')
+    game.add_bot(CaptureSpawns(variance=0.01), 'Bob')
+    viewer = robots.CursesViewer(game)
+    viewer.run()
-- 
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