README.py

from random import random
from Tools import coordinatesDict, coordinatesTuple
from copy import deepcopy
import initial_settings

class Organism:
    Data = None  # All organism's attributes (genes and status)
    
    def __init__(self, Data):
        self.Data = Data
    
    def __getitem__(self, keys):
        return self.Data[keys]
        
    def __setitem__(self, keys, value):
        self.Data[keys] = value        
        
    def genes(self):
        return self.Data['genes']
        
    def status(self):
        return self.Data['status']
        
    def position(self):
        return coordinatesTuple(self.Data['status']['coordinates'])
    
    def setLocation(self, newLocation):
        self.Data['status']['coordinates'] = coordinatesDict(newLocation)
    
    def speed(self):
        return self.Data['genes']['speed']
        
    def move(self, ecosystem):
        if self.speed() > 0:
            new_place = ecosystem.biotope.seek_free_pos_close_to(self.position(), self.speed(), 3)
            if new_place != None:
                ecosystem.biotope.move_organism(self, new_place)
                self.Data['status']['coordinates'] = coordinatesDict(new_place)

    def eat(self, organism, ecosystem):
        pass

    def do_photosynthesis(self, ecosystem):
        if random()<0.00005:
            print self.Data
        if 'do_photosynthesis' in self.Data['genes'].keys():
            if self.Data['genes']['do_photosynthesis']:
                if 'photosynthesis_capacity' in self.Data['genes'].keys():
                    self.Data['status']['energy_reserve'] += self.Data['genes']['photosynthesis_capacity']
                else:
                    self.Data['status']['energy_reserve'] += initial_settings.GLOBAL_PHOTOSYNTHESIS_CAPACITY
                    
        

    def procreate(self, ecosystem):
        # TEMPORARY EXAMPLE
        # add new organisms at the beginning of the list (as a queue)
        # using ecosystem.organisms.insert(0, new_organism)
        if len(ecosystem.organisms) < 500:
            if (random() < initial_settings.REPRODUCTION_FREQUENCY) and (self.status()['energy_reserve'] > 5):
                newLocation = ecosystem.biotope.seek_free_pos_close_to(self.position(), 1, 3)
                if newLocation != None:    
                    baby = Organism(deepcopy(self.Data))
                    # Mutation?
                    baby.setLocation(newLocation)
                    baby.Data['status']['age'] = 0
                    baby.Data['status']['energy_reserve'] /= 2
                    self.Data['status']['energy_reserve'] /= 2
                    ecosystem.biotope.add_org(baby, newLocation)
                    ecosystem.newborns.append(baby)
                    return 1
                else:
                    return 0
            else:
                return 0

    def age(self, ecosystem):
        self.Data['status']['age'] += 1 
        if random()*self.Data['status']['age']/self.Data['status']['energy_reserve'] > initial_settings.GLOBAL_LONGEVITY:
            ecosystem.biotope.delete_org(self)
            return 'Dead'
        else:
            return 'Alive'