+++ /dev/null
-"""Square tile based engine."""
-
-from pgu.vid import *
-import pygame
-
-class Tilevid(Vid):
- """Based on [[vid]] -- see for reference."""
- def paint(self,s):
- sw,sh = s.get_width(),s.get_height()
- self.view.w,self.view.h = sw,sh
-
- tiles = self.tiles
- tw,th = tiles[0].image.get_width(),tiles[0].image.get_height()
- w,h = self.size
-
- if self.bounds != None: self.view.clamp_ip(self.bounds)
-
- ox,oy = self.view.x,self.view.y
- tlayer = self.tlayer
- blayer = self.blayer
- alayer = self.alayer
- sprites = self.sprites
-
- blit = s.blit
- yy = - (self.view.y%th)
- my = (oy+sh)/th
- if (oy+sh)%th: my += 1
-
- if blayer != None:
- for y in xrange(oy/th,my):
- if y >=0 and y < h:
- trow = tlayer[y]
- brow = blayer[y]
- arow = alayer[y]
- xx= - (self.view.x%tw)
- mx = (ox+sw)/tw
- #if (ox+sh)%tw: mx += 1
- for x in xrange(ox/tw,mx+1):
- if x >=0and x<w:
- blit(tiles[brow[x]].image,(xx,yy))
- blit(tiles[trow[x]].image,(xx,yy))
- arow[x]=0
- xx += tw
- yy+=th
- else:
- for y in xrange(oy/th,my):
- if y >=0 and y<h:
- trow = tlayer[y]
- arow = alayer[y]
- xx= - (self.view.x%tw)
- mx = (ox+sw)/tw
- #if (ox+sh)%tw: mx += 1
- for x in xrange(ox/tw,mx+1):
- if x >=0 and x<w:
- blit(tiles[trow[x]].image,(xx,yy))
- arow[x]=0
- xx += tw
- yy+=th
-
- for s in sprites:
- s.irect.x = s.rect.x-s.shape.x
- s.irect.y = s.rect.y-s.shape.y
- blit(s.image,(s.irect.x-ox,s.irect.y-oy))
- s.updated=0
- s._irect = Rect(s.irect)
- #s._rect = Rect(s.rect)
-
- self.updates = []
- self._view = pygame.Rect(self.view)
- return [Rect(0,0,sw,sh)]
-
- def update(self,s):
- sw,sh = s.get_width(),s.get_height()
- self.view.w,self.view.h = sw,sh
-
- if self.bounds != None: self.view.clamp_ip(self.bounds)
- if self.view.x != self._view.x or self.view.y != self._view.y:
- return self.paint(s)
-
- ox,oy = self.view.x,self.view.y
- sw,sh = s.get_width(),s.get_height()
- w,h = self.size
- tlayer = self.tlayer
- blayer = self.blayer
- alayer = self.alayer
- tiles = self.tiles
- tw,th = tiles[0].image.get_width(),tiles[0].image.get_height()
- sprites = self.sprites
- blit = s.blit
-
- us = []
-
- #mark places where sprites have moved, or been removed
-
- ss = self.sprites.removed
- self.sprites.removed = []
- ss.extend(sprites)
- for s in ss:
- #figure out what has been updated.
- s.irect.x = s.rect.x-s.shape.x
- s.irect.y = s.rect.y-s.shape.y
- if (s.irect.x != s._irect.x or s.irect.y != s._irect.y
- or s.image != s._image):
- #w,h can be skipped, image covers that...
- s.updated = 1
- if s.updated:
- r = s._irect
- y = max(0,r.y/th)
- yy = min(h,r.bottom/th+1)
- while y < yy:
- x = max(0,r.x/tw)
- xx = min(w,r.right/tw+1)
- while x < xx:
- if alayer[y][x] == 0:
- self.updates.append((x,y))
- alayer[y][x]=1
- x += 1
- y += 1
-
- r = s.irect
- y = max(0,r.y/th)
- yy = min(h,r.bottom/th+1)
- while y < yy:
- x = r.x/tw
- xx = min(w,r.right/tw+1)
- while x < xx:
- if alayer[y][x]==0:
- alayer[y][x]=2
- self.updates.append((x,y))
- x += 1
- y += 1
-
-
- #mark sprites that are not being updated that need to be updated because
- #they are being overwritte by sprites / tiles
- for s in sprites:
- if s.updated==0:
- r = s.irect
- y = max(0,r.y/th)
- yy = min(h,r.bottom/th+1)
- while y < yy:
- x = max(0,r.x/tw)
- xx = min(w,r.right/tw+1)
- while x < xx:
- if alayer[y][x]==1:
- s.updated=1
- x += 1
- y += 1
-
-
- for u in self.updates:
- x,y=u
- xx,yy=x*tw-ox,y*th-oy
- if alayer[y][x] == 1:
- if blayer != None: blit(tiles[blayer[y][x]].image,(xx,yy))
- blit(tiles[tlayer[y][x]].image,(xx,yy))
- alayer[y][x]=0
- us.append(Rect(xx,yy,tw,th))
-
- for s in sprites:
- if s.updated:
- blit(s.image,(s.irect.x-ox, s.irect.y-oy))
- s.updated=0
- s._irect = Rect(s.irect)
- s._image = s.image
-
- self.updates = []
- return us
-
- def view_to_tile(self,pos):
- x,y = pos
- tiles = self.tiles
- tw,th = tiles[0].image.get_width(),tiles[0].image.get_height()
- return x/tw,y/th
-
- def tile_to_view(self,pos):
- x,y = pos
- tiles = self.tiles
- tw,th = tiles[0].image.get_width(),tiles[0].image.get_height()
- x,y = x*tw, y*th
- return x,y
-
-
- def screen_to_tile(self,pos):
- x,y = pos
- x,y = x+self.view.x,y+self.view.y
- return self.view_to_tile((x,y))
-
- def tile_to_screen(self,pos):
- x,y = pos
- x,y = self.tile_to_view(pos)
- x,y = x - self.view.x, y - self.view.y
- return x,y
-
-# vim: set filetype=python sts=4 sw=4 noet si :
projects / minwii.git / blobdiff