mirror of
https://gitea.wildfiregames.com/0ad/0ad
synced 2026-06-16 05:13:58 -07:00
df18102e96
This adds a new endpoint to the RL interface for evaluating custom JavaScript. When combined with the ability to create arbitrary modifiers, this provides the required functionality for exploring quantitative game balancing. Patch By: irishninja Fixes #5981 Differential Revision: https://code.wildfiregames.com/D3479 This was SVN commit r24962.
116 lines
3.4 KiB
Python
116 lines
3.4 KiB
Python
from .api import RLAPI
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import json
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import math
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from xml.etree import ElementTree
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from itertools import cycle
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class ZeroAD():
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def __init__(self, uri='http://localhost:6000'):
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self.api = RLAPI(uri)
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self.current_state = None
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self.cache = {}
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self.player_id = 1
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def step(self, actions=[], player=None):
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player_ids = cycle([self.player_id]) if player is None else cycle(player)
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cmds = zip(player_ids, actions)
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cmds = ((player, action) for (player, action) in cmds if action is not None)
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state_json = self.api.step(cmds)
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self.current_state = GameState(json.loads(state_json), self)
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return self.current_state
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def reset(self, config='', save_replay=False, player_id=1):
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state_json = self.api.reset(config, player_id, save_replay)
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self.current_state = GameState(json.loads(state_json), self)
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return self.current_state
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def evaluate(self, code):
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return self.api.evaluate(code)
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def get_template(self, name):
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return self.get_templates([name])[0]
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def get_templates(self, names):
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templates = self.api.get_templates(names)
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return [ (name, EntityTemplate(content)) for (name, content) in templates ]
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def update_templates(self, types=[]):
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all_types = list(set([unit.type() for unit in self.current_state.units()]))
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all_types += types
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template_pairs = self.get_templates(all_types)
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self.cache = {}
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for (name, tpl) in template_pairs:
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self.cache[name] = tpl
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return template_pairs
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class GameState():
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def __init__(self, data, game):
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self.data = data
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self.game = game
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self.mapSize = self.data['mapSize']
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def units(self, owner=None, type=None):
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filter_fn = lambda e: (owner is None or e['owner'] == owner) and \
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(type is None or type in e['template'])
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return [ Entity(e, self.game) for e in self.data['entities'].values() if filter_fn(e) ]
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def unit(self, id):
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id = str(id)
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return Entity(self.data['entities'][id], self.game) if id in self.data['entities'] else None
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class Entity():
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def __init__(self, data, game):
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self.data = data
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self.game = game
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self.template = self.game.cache.get(self.type(), None)
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def type(self):
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return self.data['template']
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def id(self):
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return self.data['id']
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def owner(self):
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return self.data['owner']
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def max_health(self):
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template = self.get_template()
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return float(template.get('Health/Max'))
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def health(self, ratio=False):
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if ratio:
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return self.data['hitpoints']/self.max_health()
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return self.data['hitpoints']
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def position(self):
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return self.data['position']
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def get_template(self):
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if self.template is None:
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self.game.update_templates([self.type()])
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self.template = self.game.cache[self.type()]
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return self.template
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class EntityTemplate():
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def __init__(self, xml):
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self.data = ElementTree.fromstring(f'<Entity>{xml}</Entity>')
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def get(self, path):
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node = self.data.find(path)
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return node.text if node is not None else None
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def set(self, path, value):
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node = self.data.find(path)
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if node:
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node.text = str(value)
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return node is not None
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def __str__(self):
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return ElementTree.tostring(self.data).decode('utf-8')
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