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comparison gamelib/lab.py @ 17:10d3db1f1e08

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Set up initial research and rework breakthroughs.
author Jeremy Thurgood <firxen@gmail.com>
date Sun, 06 May 2012 17:39:37 +0200
parents 9d61abb3cfaf
children 718d1ec382f7
comparison
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16:af1bfeb648cb 17:10d3db1f1e08
1 # -*- test-case-name: gamelib.tests.test_lab -*- 1 # -*- test-case-name: gamelib.tests.test_lab -*-
2
3 from random import random, choice
2 4
3 from gamelib import research, products 5 from gamelib import research, products
4 6
5 7
6 class Lab(object): 8 class Lab(object):
9 BASIC_RESEARCH_SUCCESS_RATE = 0.05
10 BASIC_RESEARCH_SUCCESS_MULTIPLIER = 2
11
7 def __init__(self): 12 def __init__(self):
8 self.science = [] 13 self.science = []
9 self.new_research = research.ResearchArea.__subclasses__() 14 self.new_research = research.ResearchArea.__subclasses__()
10 self.new_products = products.Product.__subclasses__() 15 self.new_products = products.Product.__subclasses__()
16 self._choose_initial_science()
17
18 def _choose_initial_science(self):
19 # We always get all starting products.
20 for product in self.new_products[:]:
21 if product.STARTING_PRODUCT:
22 self._gain_science(product())
23
24 # We get three random sciences with no prerequisites.
25 new_science = []
26 for _ in range(3):
27 science = choice(self.find_new_research())()
28 self._gain_science(science)
29 new_science.append(science)
30
31 # Add a point to each of our sciences, and see if we get products.
32 self.spend_points(new_science, 0)
33
34 def _gain_science(self, science):
35 self.science.append(science)
36 if isinstance(science, research.ResearchArea):
37 self.new_research.remove(type(science))
38 elif isinstance(science, products.Product):
39 self.new_products.remove(type(science))
11 40
12 def spend_points(self, things, basic_research): 41 def spend_points(self, things, basic_research):
13 new_stuff = [] 42 breakthroughs = []
43
44 # First, allocate the points.
14 for thing in things: 45 for thing in things:
15 assert thing in self.science 46 assert thing in self.science
16 thing.spend_points(1) 47 assert thing.can_spend(self)
48 thing.spend_point()
49
50 # Next, check for product breakthroughs and upgrades
51 for thing in things:
17 if isinstance(thing, research.ResearchArea): 52 if isinstance(thing, research.ResearchArea):
18 new_stuff.extend(self.find_new_product(thing)[:1]) 53 breakthroughs.extend(self.apply_area_research(thing))
19 new_stuff.extend(self.try_basic_research(basic_research)[:1]) 54
20 return new_stuff 55 # Finally, check for research breakthroughs.
56 breakthroughs.extend(self.apply_basic_research(basic_research))
57
58 # Now that we have our breakthroughs, apply them.
59 print breakthroughs
60
61 return breakthroughs
21 62
22 def _get_science(self, science_class): 63 def _get_science(self, science_class):
23 for science in self.science: 64 for science in self.science:
24 if isinstance(science, science_class): 65 if isinstance(science, science_class):
25 return science 66 return science
26 return None 67 return None
27 68
28 def _meet_requirements(self, science_class): 69 def meet_requirements(self, science_class, extra=0):
70 total_points = 0
71 base_points = 0
29 for science, level in science_class.PREREQUISITES: 72 for science, level in science_class.PREREQUISITES:
30 my_science = self._get_science(science) 73 my_science = self._get_science(science)
31 if my_science is None: 74 if my_science is None:
32 return False 75 return False
33 if my_science.points < level: 76 if my_science.points < level:
34 return False 77 return False
35 return True 78 base_points += level
79 total_points += my_science.points
80 return total_points - base_points >= extra
36 81
37 def find_new_products(self, research_area): 82 def find_new_products(self, research_area):
38 available_products = [] 83 available_products = []
39 for product_class in self.new_products: 84 for product_class in self.new_products:
40 if self._meet_requirements(product_class): 85 if self.meet_requirements(product_class):
41 available_products.append(product_class) 86 available_products.append(product_class)
42 return available_products 87 return available_products
43 88
44 def find_new_research(self, basic_research): 89 def find_new_research(self):
45 available_research = [] 90 available_research = []
46 for research_class in self.new_research: 91 for research_class in self.new_research:
47 if self._meet_requirements(research_class): 92 if self.meet_requirements(research_class):
48 available_research.append(research_class) 93 available_research.append(research_class)
49 return available_research 94 return available_research
95
96 def apply_area_research(self, research):
97 options = self.find_new_products(research)
98 breakthroughs = [product for product in options
99 if random() < product.ACQUISITION_CHANCE]
100 if breakthroughs:
101 breakthrough = choice(breakthroughs)()
102 self._gain_science(breakthrough)
103 breakthroughs = [breakthrough]
104 return breakthroughs
105
106 def apply_basic_research(self, basic_research):
107 if basic_research <= 1:
108 return []
109
110 options = self.find_new_research()
111 success_chance = self.BASIC_RESEARCH_SUCCESS_RATE * (
112 self.BASIC_RESEARCH_SUCCESS_MULTIPLIER ** basic_research)
113 breakthroughs = [research for research in options
114 if random() < success_chance]
115 if breakthroughs:
116 breakthrough = choice(breakthroughs)(1)
117 self._gain_science(breakthrough)
118 breakthroughs = [breakthrough]
119 return breakthroughs