Mercurial > rinkhals
annotate gamelib/sprite_cursor.py @ 266:390ef4387e05
Update TODO
author | Neil Muller <drnlmuller@gmail.com> |
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date | Sat, 05 Sep 2009 14:01:14 +0000 |
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Add sprite cursors for building placement.
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1 """In-game sprite cursors for the gameboard. |
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2 |
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3 Currently mostly used when placing buildings. |
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4 """ |
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5 |
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6 import pygame |
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7 import pygame.font |
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8 from pygame.locals import SRCALPHA |
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9 |
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10 import imagecache |
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11 import constants |
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12 from pgu.vid import Sprite |
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13 |
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14 # ignore os.popen3 warning generated by pygame.font.SysFont |
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15 import warnings |
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16 warnings.filterwarnings("ignore", "os.popen3 is deprecated.") |
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17 |
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18 class SpriteCursor(Sprite): |
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19 """A Sprite used as an on-board cursor.""" |
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20 |
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21 def __init__(self, image_name, tv, cost=None): |
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22 self._font = pygame.font.SysFont('Vera', 20, bold=True) |
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23 image = imagecache.load_image(image_name, ["sprite_cursor"]) |
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24 |
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25 if cost is not None: |
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26 image = image.copy() |
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27 text = self._font.render(str(cost), True, constants.FG_COLOR) |
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28 w, h = image.get_size() |
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29 x, y = text.get_size() |
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30 image.blit(text, (w - x, h - y)) |
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31 |
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32 # Create the sprite somewhere far off screen |
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33 Sprite.__init__(self, image, (-1000, -1000)) |
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34 self._tv = tv |
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35 |
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36 def set_pos(self, tile_pos): |
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37 """Set the cursor position on the gameboard.""" |
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38 self.rect.x, self.rect.y = self._tv.tile_to_view(tile_pos) |