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  1.  
  2. import cocos
  3. import pyglet
  5. import lib.constants as c
  7. from lib.common import parse_file
  10. class BaseCutscene(cocos.layer.Layer):
  11. """Base class for all cutscenes done in the nvl style."""
  13. is_event_handler = True
  15. def __init__(self, files, scenes, hypervisor, logic, director, handle, name):
  16. """Parameters:
  18. hypervisor = game class
  20. logic = logic class
  22. handle = file handler
  24. scenes = scenes to be executed
  25. """
  27. super(BaseCutscene, self ).__init__()
  29. self.hypervisor = hypervisor
  30. self.director = director
  31. self.handle = handle
  32. self.name = name
  34. self.files = files
  35. self.scenes = scenes
  37. self.done = False
  38. self.cprogress = 0
  40. if len(self.scenes) == "":
  41. raise RuntimeError("Empty scene not supported.")
  43. if len(self.files) > 0:
  44. # Changing paths so it will work on all systems
  45. for item in self.files:
  46. self.files[item] = parse_file(self.files[item])
  48. # commands
  49. self.map = {
  51. "scene ":self.scene
  53. }
  55. # transitions
  56. self.transitions = {
  57. "fade": cocos.actions.interval_actions.FadeIn(1),
  58. "fade_long": cocos.actions.interval_actions.FadeIn(2),
  59. }
  62. self.waiting = False
  63. self.waiting_actions = None
  64. self.return_point = None
  65. self.return_args = None
  66. self.current_state = None
  67. self.skipping = False
  69. self.text = ""
  70. self.back_log = []
  71. self.background = None
  72. self.sprite_left = None
  73. self.sprite_right = None
  74. self.sprite_center = None
  75. self.frame = None
  77. # add to events
  78. self.schedule(self.run_script)
  80. def passed(self):
  81. return "next"
  83. def scene(self, arguments):
  84. raw_input()
  86. args = arguments.split(" ")
  87. trans = None
  88. if len(arguments) > 1:
  89. # we check for transitions
  91. for transition in self.transitions:
  92. if args[-1] == transition:
  93. trans = args.pop()
  94. break
  96. img_name = ""
  97. for part in args:
  98. img_name += part + " "
  100. print repr(img_name), len(img_name)
  102. img_name = img_name[:len(img_name)-1]
  104. print repr(img_name)
  105. print args
  107. if img_name not in self.files.keys():
  108. raise RuntimeError("Unknown image: %s" %img_name)
  110. img_object = self.handle.request("file", self.files[img_name], self.name)
  111. img = pyglet.image.load(self.files[img_name], file=img_object)
  113. if self.frame is not None:
  114. self.frame.do(cocos.actions.instant_actions.Hide())
  116. nb = cocos.sprite.Sprite(img, position=(0, 0))
  117. self.add(nb)
  119. self.waiting_actions = nb
  120. self.return_args = (nb,)
  121. self.return_point = self.scene_cont
  123. if (not self.skipping) and (trans is not None):
  124. nb.do(self.transitions[trans])
  127. def scene_cont(self, nb):
  128. if self.background is None:
  129. self.remove(nb)
  130. self.background = nb
  131. self.add(self.background)
  132. else:
  133. self.remove(nb)
  134. self.background.kill()
  135. self.background = None
  136. self.background = nb
  137. self.add(self.background)
  139. if self.frame is not None:
  140. self.frame.do(cocos.actions.instant_actions.Show())
  142. raw_input()
  145. def moot(self, *args, **kwargs):
  146. """/dev/null of calls"""
  147. pass
  150. def run_script(self, *args, **kwargs):
  151. if self.waiting:
  152. return
  153. elif self.waiting_actions is not None:
  154. if self.waiting_actions.are_actions_running():
  155. print "doing", self.waiting_actions, self.waiting_actions.actions
  156. return
  157. else:
  158. self.waiting_actions = None
  159. if len(self.return_args) > 0:
  160. self.return_point(*self.return_args)
  161. else:
  162. self.return_point()
  163. self.return_args = None
  164. self.return_point = None
  165. else:
  166. if self.cprogress > len(self.scenes) - 1:
  167. self.done = True
  168. return
  169. # we grab new line from script
  170. line = self.scenes[self.cprogress]
  171. self.cprogress += 1
  173. for key in self.map:
  174. isacommand = False
  176. if line.startswith(key):
  177. isacommand = True
  178. self.map[key](line[len(key):])
  180. if not isacommand:
  181. raise RuntimeError("Syntax Error, unsupported command: %s" %line)
  182.  
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