mapscene.py

mapscene.py

from scene import *
import sound
import random
import math
A = Action

mapsprites=['plc:Brown_Block','plc:Dirt_Block','plc:Grass_Block','plc:Plain_Block',]
def choose_random_node():
   tx=random.choice(mapsprites)
   sn=SpriteNode(tx)
   return sn

class MapNode(Node):
   def __init__(self, size):
      '''create a map, randomly filled with sprites
      size is tuple containg row,col number of tiles'''
      self.map=[[choose_random_node() for i in range(size[1])] for j in range(size[0])]
      r=0
      for row in self.map:
         r+=1
         c=0
         for col in row:
            c+=1
            col.position=(c*col.size.width, r*(row[0].size.height-40))
            col.z_position=-r
            self.add_child(col)
      self.player=SpriteNode('plc:Character_Boy')
      self.size=self.bbox
      self.player.position=40*10,40*10
      self.add_child(self.player)
      self.scale=1.2
      
class MyScene (Scene):
   def setup(self):
      self.mapnode=MapNode([30,40])
      self.add_child(self.mapnode)
      self.size=self.bbox
      self.zoom_in=SpriteNode('iob:arrow_expand_32')
      self.zoom_in.position=64,64
      self.zoom_in.scale=2
      self.zoom_out=SpriteNode('iob:arrow_shrink_32')
      self.zoom_out.position=2*64,64
      self.zoom_out.scale=2
      self.add_child(self.zoom_in)
      self.add_child(self.zoom_out)
      ln=LabelNode('tap edges to walk. drag map to move map')
      ln.anchor_point=.5,1
      ln.position=get_screen_size()[0]/2, get_screen_size()[1]
      self.add_child(ln)
   def did_change_size(self):
      pass
   
   def update(self):
      pass
   
   def touch_began(self, touch):
      '''simple screen edge joystick
      tap near edge to move character one square
      
      '''
      self.dragging=False
      player=self.mapnode.player
      dp=player.size
      dt=.1
      if touch.location in self.zoom_in.bbox:
         self.mapnode.scale=self.mapnode.scale*1.2
         return
      if touch.location in self.zoom_out.bbox:
         self.mapnode.scale=self.mapnode.scale/1.2
         return

      if touch.location.x>0.9*self.size.width:
         player.run_action(Action.move_by(dp.x,0,dt,TIMING_EASE_IN))
         sound.play_effect('rpg:Footstep08')
      elif touch.location.x<0.1*self.size.width:
         player.run_action(Action.move_by(-dp.x,0, dt,TIMING_EASE_IN))
         sound.play_effect('rpg:Footstep07')
      elif touch.location.y>0.9*self.size.height:
         player.run_action(Action.move_by(0,dp.y/2,dt,TIMING_EASE_IN))
         sound.play_effect('rpg:Footstep02')
      elif touch.location.y<0.1*self.size.height:
         player.run_action(Action.move_by(0,-dp.y/2,dt,TIMING_EASE_IN))
         sound.play_effect('rpg:Footstep04')
      else:
         self.dragging=True
         
   def touch_moved(self, touch):
      '''simple scrollview type action'''
      if self.dragging:
         dp=touch.location-touch.prev_location
         #self.mapnode.run_action(Action.move_by(dp.x,dp.y,0))
         self.mapnode.position+=dp
         self.touch_time=self.t

   
   def touch_ended(self, touch):
      self.dragging=False
      

if __name__ == '__main__':
   s=MyScene()
   run(s, show_fps=True)