def zoom_factor(self, factor):
"""
Set the zoom factor. A higher zoom factor results in bigger tile sizes in the viewport.
:param factor: Float zoom factor
:return: None
"""
self._zoom_factor = max(min(INTERFACE.MAX_ZOOM_FACTOR, factor),
INTERFACE.MIN_ZOOM_FACTOR)
# Calculate new tile size
default_tile_size = 50
self.tile_size = int(default_tile_size * self.zoom_factor)
# Initialize render font, a size of roughly 1,5 times the tileSize gives good results
self._viewPortFont = GuiUtilities.viewport_font(self.tile_size)
# Determine max coordinates for view port location
total_width = self.player.level.map.width * self.tile_size
total_height = self.player.level.map.height * self.tile_size
self._renderViewPortMaxX = total_width - self.surface_viewport.get_width(
)
self._renderViewPortMaxY = total_height - self.surface_viewport.get_height(
)
if self._renderViewPortMaxX < 0:
self._renderViewPortMaxX = 0
if self._renderViewPortMaxY < 0:
self._renderViewPortMaxY = 0
# Prepare fog of war tile (used as overlay later)
self.fogOfWarTileSurface = pygame.Surface(
(self.tile_size, self.tile_size), pygame.SRCALPHA)
self.fogOfWarTileSurface.fill((0, 0, 0, 140))
# Re-initialize sprites
initialize_sprites(self.tile_size)
def render_init(self):
"""
Initializes rendering parameters
Prepares and scales tileset.
This function should be called on window resizing, loading a new level and changing zoom levels.
"""
if self.game_server is None:
return
# Initialize maximum tile size for current viewport
vp_width = self.surface_viewport.get_size()[0]
vp_height = self.surface_viewport.get_size()[1]
max_tile_width = int(vp_width // self.render_level.map["width"])
max_tile_height = int(vp_height // self.render_level.map["height"])
if max_tile_width < max_tile_height:
max_tile_size = max_tile_width
else:
max_tile_size = max_tile_height
# Take into account the zoom factor
self._tileSize = int(max_tile_size * self.zoom_factor)
# Initialize render font, a size of roughly 1,5 times the tileSize gives good results
self._viewPortFont = GuiUtilities.viewport_font(self.tile_size)
# Determine max coords for view port location
total_width = self.render_level.map["width"] * self.tile_size
total_height = self.render_level.map["height"] * self.tile_size
self._renderViewPortMaxX = total_width - self._render_viewport_w
self._renderViewPortMaxY = total_height - self._render_viewport_h
if self._renderViewPortMaxX < 0:
self._renderViewPortMaxX = 0
if self._renderViewPortMaxY < 0:
self._renderViewPortMaxY = 0
# Prepare fog of war tile (used as overlay later)
self.fogOfWarTileSurface = pygame.Surface((self.tile_size, self.tile_size), pygame.SRCALPHA)
self.fogOfWarTileSurface.fill((0, 0, 0, 140))
# Re-initialize sprites
initialize_sprites(self.tile_size)
