From: Ben Doumenc <bdoumenc@gmail.com>
Date: Sat, 31 May 2014 13:44:00 +0000 (+0200)
Subject: refactoring genes
X-Git-Url: http://gitweb.doumenc.org/?p=experiments.git;a=commitdiff_plain;h=5c9f1c64f3492c17d9272f9a7b5881511235b75a

refactoring genes
---

diff --git a/evolution/entities.py b/evolution/entities.py
index 239ad9c..ece0308 100644
--- a/evolution/entities.py
+++ b/evolution/entities.py
@@ -113,9 +113,15 @@ class Bot(Physical):
         self.behavior = None
         self.behaviorData = {}
 
+    def check(self):
+        badValues = [k for k, v in self.stats.iteritems() if v < 0]
+        if badValues:
+            logging.debug("%s died by bad genes: %s", self, badValues)
+
     def addGene(self, gene):
         self.genes.append(gene)
         gene.apply(self)
+        self.check()
         return self
 
     def getGenes(self):
@@ -128,13 +134,12 @@ class Bot(Physical):
 class Gene(object):
     def __init__(self):
         self.name = self.__class__.__name__
-        self.attribute = ""
-        self.modifier = 0
+
+    def modifyStat(self, entity, attribute, value):
+        stat = entity.stats.setdefault(attribute, 0)
+        entity.stats["stat"] = stat + value
 
     def apply(self, entity):
-        stat = entity.stats.setdefault(self.attribute, 0)
-        if stat + self.modifier >= 0:
-            entity.stats[self.attribute] = stat + self.modifier
         return self
 
     def __repr__(self):
@@ -142,34 +147,24 @@ class Gene(object):
 
 
 class LongLegs(Gene):
-    def __init__(self):
-        super(LongLegs, self).__init__()
-        self.attribute = "speed"
-        self.modifier = 1
+    def apply(self, entity):
+        self.modifyStat(entity, "speed", 0.5)
 
 class ShortLegs(Gene):
-    def __init__(self):
-        super(ShortLegs, self).__init__()
-        self.attribute = "speed"
-        self.modifier = -1
+    def apply(self, entity):
+        self.modifyStat(entity, "speed", 0.5)
 
 class ClassicBeauty(Gene):
-    def __init__(self):
-        super(ClassicBeauty, self).__init__()
-        self.attribute = "charisma"
-        self.modifier = 1
+    def apply(self, entity):
+        self.modifyStat(entity, "charisma", 0.5)
 
 class ExoticBeauty(Gene):
-    def __init__(self):
-        super(ExoticBeauty, self).__init__()
-        self.attribute = "charisma"
-        self.modifier = 2
+    def apply(self, entity):
+        self.modifyStat(entity, "charisma", 1)
 
 class Eyes(Gene):
-    def __init__(self):
-        super(Eyes, self).__init__()
-        self.attribute = "perception"
-        self.modifier = 2
+    def apply(self, entity):
+        self.modifyStat(entity, "perception", 2)
 
 
 import inspect, sys
diff --git a/evolution/main.py b/evolution/main.py
index 9fa2c29..a9fd548 100644
--- a/evolution/main.py
+++ b/evolution/main.py
@@ -25,7 +25,7 @@ if __name__ == "__main__":
     movement = Movement(size[0], size[1])
     behavior = Behavior()
     population = 4
-    food = 15
+    food = 30
     for _ in xrange(0, population):
         b = Bot(Vector(random.randint(0, size[0] - 1), random.randint(0, size[1] - 1))).addToScene(scene)
         generateRandomGenes(b)