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#! /usr/bin/env python
# -*- coding: utf-8 -*-
#
# Kuku Anakula
# Copyright (C) 2007, Julius B. Lucks, Adrian DelMaestro, Sera L. Young
# Copyright (C) 2012, Alan Aguiar
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# Contact information:
# Julius B. Lucks <julius@younglucks.com>
# Alan Aguiar <alanjas@gmail.com>
import pygame
from tile import Tile
class Grid(object):
"""An grid that tiles images
and manages positions.
"""
def __init__(self, screen, dimensions, scale_x):
grid_offset = (screen.width*(1./4.),0)
self.dimensions = dimensions
#hard-coded size of rect 900 x 900
tile_size_x = (3./4.)*screen.width/self.dimensions[0]
tile_size_y = screen.height/self.dimensions[1]
#create tiles
self.tiles = []
#rects = []
self.tiles = [Tile(x,y,tile_size_x,tile_size_y,grid_offset, scale_x)
for x in range(self.dimensions[0])
for y in range(self.dimensions[1])]
self.step_width = self.tiles[0].width
self.step_height = self.tiles[0].height
self.rect = pygame.Rect(0,0,0,0)
self.rect = self.rect.unionall([t.get_rect() for t in self.tiles])
self.center_position = (dimensions[0]/2,dimensions[1]/2)
def get_tile(self,x,y):
"""get the tile at the grid position (x,y)
raise an IndexError if not in grid.
"""
if self.check_bounds(x,y):
ind = self.dimensions[1]*x + y
return self.tiles[ind]
else:
raise IndexError
def check_bounds(self,x,y):
"""make sure grid postion (x,y) fits within the grid"""
if x > -1 and \
x < self.dimensions[0] and \
y > -1 and \
y < self.dimensions[1]:
return True
else:
return False
def draw(self,screen):
"""draws the tiles onto the screen"""
dirtyrects = []
for t in self.tiles:
dirtyrects.extend(t.draw(screen))
return dirtyrects
def draw_tile(self,x,y,screen):
ind = self.dimensions[1]*x + y
t = self.tiles[ind]
dirtyrects = []
dirtyrects.extend(t.draw(screen))
return dirtyrects
def update(self):
"""docstring for update"""
pass
def get_center_position(self):
"""docstring for get_center_position"""
return self.center_position
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