Note -- this engine is not finished. Sprites are not supported. It -can still be useful for using the level editor, and for rendering hex -terrains, however. If you are able to update it and use it in a real game, -help would be greatly appreciated!
- -please note that this file is alpha, and is subject to modification in -future versions of pgu!
- -""" -print 'pgu.hexvid','This module is alpha, and is subject to change.' - -from pgu.vid import * -import pygame - - -class Hexvid(Vid): - """Create an hex vid engine. See [[vid]]""" - def update(self,screen): - return self.paint(screen) - - def paint(self,screen): - sw,sh = screen.get_width(),screen.get_height() - self.view.w,self.view.h = sw,sh - - tlayer = self.tlayer - blayer = self.blayer - #zlayer = self.zlayer - w,h = len(tlayer[0]),len(tlayer) - - #iso_w,iso_h,iso_z,tile_w,tile_h,base_w,base_h = self.iso_w,self.iso_h,self.iso_z,self.tile_w,self.tile_h,self.base_w,self.base_h - - tile_w,tile_h = self.tile_w,self.tile_h - tile_w2,tile_h2 = tile_w/2,tile_h/2 - - view = self.view - adj = self.adj = pygame.Rect(-self.view.x,-self.view.y,0,0) - - w,h = len(tlayer[0]),len(tlayer) - tiles = self.tiles - - #"" - if self.bounds == None: - tmp,y1 = self.tile_to_view((0,0)) - x1,tmp = self.tile_to_view((0,h+1)) - tmp,y2 = self.tile_to_view((w+1,h+1)) - x2,tmp = self.tile_to_view((w+1,0)) - self.bounds = pygame.Rect(x1,y1,x2-x1,y2-y1) - print self.bounds - #"" - - if self.bounds != None: self.view.clamp_ip(self.bounds) - - ox,oy = self.screen_to_tile((0,0)) - sx,sy = self.tile_to_view((ox,oy)) - dx,dy = sx - self.view.x,sy - self.view.y - - bot = 1 - - tile_wi = tile_w + tile_w/2 - tile_wi2 = tile_wi/2 - - #dx += tile_w/2 - - for i2 in xrange(-bot,self.view.h/tile_h2+bot*3): #NOTE: 3 seems a bit much, but it works. - tx,ty = ox + i2/2 + i2%2,oy + i2/2 - x,y = (i2%2)*tile_wi2 + dx,i2*tile_h2 + dy - - #to adjust for the -1 in i1 - x,tx,ty = x-tile_wi,tx-1,ty+1 - - x -= tile_w/2 - for i1 in xrange(-1,self.view.w/tile_wi+1): - if ty >= 0 and ty < h and tx >= 0 and tx < w: - if blayer != None: - n = blayer[ty][tx] - if n != 0: - t = tiles[n] - if t != None and t.image != None: - screen.blit(t.image,(x,y)) - n = tlayer[ty][tx] - if n != 0: - t = tiles[n] - if t != None and t.image != None: - screen.blit(t.image,(x,y)) - - - tx += 1 - ty -= 1 - x += tile_wi - - return [pygame.Rect(0,0,screen.get_width(),screen.get_height())] - - def view_to_tile(self,pos): - x,y = pos - #x = x + (self.tile_w*1/2) - - x,y = int(x*4/(self.tile_w*3)), y*2/self.tile_h - nx = (x + y) / 2 - ny = (y - x) / 2 - return nx,ny - - def tile_to_view(self,pos): - x,y = pos - nx = x - y - ny = x + y - nx,ny = int(nx*(self.tile_w*3)/4), ny*self.tile_h/2 - - #nx = nx - (self.tile_w*1/2) - return nx,ny - - def screen_to_tile(self,pos): #NOTE HACK : not sure if the 3/8 is right or not, but it is pretty close... - pos = pos[0]+self.view.x + self.tile_w*3/8,pos[1]+self.view.y - pos = self.view_to_tile(pos) - return pos - - def tile_to_screen(self,pos): - pos = self.tile_to_view(pos) - pos = pos[0]-self.view.x,pos[1]-self.view.y - return pos - - - def tga_load_tiles(self,fname,size,tdata={}): - Vid.tga_load_tiles(self,fname,size,tdata) - - self.tile_w,self.tile_h = size \ No newline at end of file