class Grid:
def __init__(self, x, y, x_tile_gap, y_tile_gap, atlas_file):
self.set_atlas(atlas_file, atlas_file)
self.set_tiles(x, y, x_tile_gap, y_tile_gap)
self.characters = {}
def set_atlas(self, atlas_name, atlas_file_loc):
self.atlas = Atlas(atlas_name, atlas_file_loc)
# The integer value at each bitmap position will represent an asset id assigned to an asset
# in the atlas json.
def set_tiles(self, x, y, x_tile_gap, y_tile_gap):
self.tiles = [[Tile(i, j, x_tile_gap, y_tile_gap) for i in range(x)]
for j in range(y)]
self.selected_x = 0
self.selected_y = 0
self.batches = {}
bitmaps = self.atlas.get_bitmaps()
x_loc = 0
for row in range(x):
y_loc = 0
for col in range(y):
for bm_key in bitmaps:
if bm_key not in self.batches:
self.batches[bm_key] = pyglet.graphics.Batch()
bitmap = bitmaps[bm_key]
do_draw = bitmap[row][col]
if do_draw == 1:
asset = self.atlas.get_asset(bm_key,
self.batches[bm_key])
self.tiles[row][col].set_xy(x_loc, y_loc)
self.tiles[row][col].add_image(asset["image"],
asset["name"],
asset["layer"])
y_loc += y_tile_gap
x_loc += x_tile_gap
def add_character(self, char_obj, x, y, image_type="image"):
if "characters" not in self.batches:
self.batches["characters"] = pyglet.graphics.Batch()
char_obj.set_image(self.batches["characters"])
self.characters[char_obj.name] = char_obj.image
tile = self.tiles[x][y]
char_obj.image.x = tile.x
char_obj.image.y = tile.y
def get_selected_tile(self):
print("selected tile: ({},{},{})".format(
self.selected_x, self.selected_y, self.tiles[self.selected_x][
self.selected_y].get_image_descriptions()))
def move_selected_tile_up(self):
self.selected_y += 1
def move_selected_tile_left(self):
self.tiles[self.selected_x][self.selected_y].deselect()
self.selected_x -= 1
self.tiles[self.selected_x][self.selected_y].select()
def move_selected_tile_right(self):
self.tiles[self.selected_x][self.selected_y].deselect()
self.selected_x += 1
self.tiles[self.selected_x][self.selected_y].select()
def move_selected_tile_down(self):
self.tiles[self.selected_x][self.selected_y].deselect()
self.selected_y -= 1
self.tiles[self.selected_x][self.selected_y].select()
# Grid's draw method doesn't call tile's draw method.
# For optimization purposes, it uses batches that hold the tile's images.
# @TODO: Create 2 draw methods that can do either one of those options.
def draw(self):
# First draw the terrain assets.
assets_by_layer = self.atlas.get_assets_by_layer()
for asset in assets_by_layer:
asset_name = asset[0]
self.batches[asset_name].draw()
# Second draw the selected tile lines.
# @TODO: Make this more versatile.
# Draw rectangle around selected tile.
s_tile = self.tiles[self.selected_x][self.selected_y]
pyglet.graphics.draw(
2, pyglet.gl.GL_LINES,
('v2i', (s_tile.x, s_tile.y, s_tile.x, s_tile.y + s_tile.height)))
pyglet.graphics.draw(2, pyglet.gl.GL_LINES,
('v2i',
(s_tile.x, s_tile.y + s_tile.height, s_tile.x +
s_tile.width, s_tile.y + s_tile.height)))
pyglet.graphics.draw(
2, pyglet.gl.GL_LINES,
('v2i', (s_tile.x + s_tile.width, s_tile.y + s_tile.height,
s_tile.x + s_tile.width, s_tile.y)))
pyglet.graphics.draw(
2, pyglet.gl.GL_LINES,
('v2i', (s_tile.x + s_tile.width, s_tile.y, s_tile.x, s_tile.y)))
# Third draw the character sprites.
self.batches["characters"].draw()
