From 997b1a2cf7ff5ee5bdf362e4d06b560ad59be4e6 Mon Sep 17 00:00:00 2001
From: Peter Ward <peteraward@gmail.com>
Date: Mon, 28 Sep 2009 09:22:31 +1000
Subject: Initial commit.

---
 .hgignore |  2 ++
 bots.py   | 16 ++++++++++++++++
 common.py |  4 ++++
 snake.py  | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 68 insertions(+)
 create mode 100644 .hgignore
 create mode 100644 bots.py
 create mode 100644 common.py
 create mode 100644 snake.py

diff --git a/.hgignore b/.hgignore
new file mode 100644
index 0000000..85576b0
--- /dev/null
+++ b/.hgignore
@@ -0,0 +1,2 @@
+glob:*.pyc
+glob:*.orig
diff --git a/bots.py b/bots.py
new file mode 100644
index 0000000..cf23602
--- /dev/null
+++ b/bots.py
@@ -0,0 +1,16 @@
+import random
+
+def random_bot(board, (x, y)):
+    height = len(board)
+    width = len(board[0])
+    moves = []
+    if x > 0:
+        moves.append('L')
+    if x < width - 1:
+        moves.append('R')
+    if y > 0:
+        moves.append('U')
+    if y < height - 1:
+        moves.append('D')
+    return random.choice(moves)
+
diff --git a/common.py b/common.py
new file mode 100644
index 0000000..f19ebd9
--- /dev/null
+++ b/common.py
@@ -0,0 +1,4 @@
+class Squares(object):
+    EMPTY = '.'
+    APPLE = '*'
+
diff --git a/snake.py b/snake.py
new file mode 100644
index 0000000..341a242
--- /dev/null
+++ b/snake.py
@@ -0,0 +1,46 @@
+import random
+
+from common import *
+
+import pygame
+pygame.init()
+
+class SnakeEngine(object):
+    def __init__(self, rows, columns, n_apples, width=800, height=600, fullscreen=False):
+        super(SnakeEngine, self).__init__()
+        flags = 0
+        if fullscreen:
+            flags |= pygame.FULLSCREEN
+        pygame.display.set_mode((width, height), flags)
+
+        self.bots = {}
+
+        self.new_game(rows, columns, n_apples)
+
+    def new_game(self, rows, columns, n_apples):
+        self.board = [[Squares.EMPTY for x in xrange(columns)] for y in xrange(rows)]
+        for i in xrange(n_apples):
+            x = random.randint(0, columns - 1)
+            y = random.randint(0, rows - 1)
+            self.board[y][x] = Squares.APPLE
+
+    def add_bot(self, name, bot):
+        """
+        A bot is a callable object, with this method signature:
+            def bot_callable(
+                board=[[cell for cell in row] for row in board],
+                position=(snake_x, snake_y)
+                ):
+                return random.choice('RULD')
+        """
+        self.bots[name] = bot
+
+    def remove_bot(self, name):
+        del self.bots[name]
+
+    def run(self):
+        pass
+
+if __name__ == '__main__':
+    game = SnakeEngine(8, 16, 10)
+
-- 
cgit v1.2.3