import os

import libaudioverse
import platform_utils.paths

sound_dir = os.path.join(platform_utils.paths.embedded_data_path(), 'sounds')

class SoundLoader(object):

	def __init__(self, simulation, world):
		self.simulation = simulation
		self.world = world
		self.cache=dict()

	def load_sound(self, key):
		if key not in self.cache:
			source = libaudioverse.SourceNode(self.simulation, self.world)
			b = libaudioverse.Buffer(self.simulation)
			b.load_from_file(os.path.join(sound_dir, key+".ogg"))
			self.cache[key] = b
		b = self.cache[key]
		n = libaudioverse.BufferNode(self.simulation)
		n.buffer.value =b
		n.connect(0, source, 0)
		return Sound(n,source)

class Sound(object):

	def __init__(self, buffer_node,source):
		self.buffer_node = buffer_node
		self.source = source

	def stop(self):
		self.buffer_node.state = libaudioverse.NodeStates.stop

	def is_playing(self):
		return self.buffer_node.state == libaudioverse.NodeStates.playing

	def play(self,loop=False):
		self.buffer_node.connect_simulation(0)
		self.buffer_node.position=0
		self.buffer_node.looping=loop
		self.buffer_node.state = libaudioverse.NodeStates.playing