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Adding main code. Also, my screenshots are in this pull request. I'm not sure if I have to, but I'm happy to describe why each is the shortest route. #34

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Adding main code. Also, my screenshots are in this pull request. I'm not sure if I have to, but I'm happy to describe why each is the shortest route. #34

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26 changes: 18 additions & 8 deletions astar.py
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Original file line number Diff line number Diff line change
Expand Up @@ -58,7 +58,12 @@ def _is_occupied(self,cell_coord):

def _add_swamp(self, mouse_pos):
#insert swamp code here.
pass
swamp_coord = (mouse_pos[0]/50, mouse_pos[1]/50)
if self._is_occupied(swamp_coord):
if self.actors[swamp_coord].unremovable == False:
self.actors.pop(swamp_coord, None)
else:
self.actors[swamp_coord] = ObstacleTile(swamp_coord, self, './images/swamp.jpg', is_unpassable = False, terrain_cost = 3)

def _add_lava(self, mouse_pos):
lava_coord = (mouse_pos[0]/50, mouse_pos[1]/50)
Expand Down Expand Up @@ -91,14 +96,16 @@ def main_loop(self):
elif event.type is pygame.MOUSEBUTTONDOWN:
if self.add_tile_type == 'lava':
self._add_lava(event.pos)
#insert swamp code here
if self.add_tile_type == 'swamp':
self._add_swamp(event.pos)
elif event.type is pygame.KEYDOWN:
if event.key == pygame.K_SPACE:
self.paul.run_astar(self.cake.cell_coordinates, self)
self.paul.get_path()
elif event.key == pygame.K_l:
self.add_tile_type = 'lava'
#insert swamp code here
elif event.key == pygame.K_s:
self.add_tile_type = 'swamp'

class Actor(object):
def __init__(self, cell_coordinates, world, image_loc, unremovable = False, is_obstacle = True):
Expand Down Expand Up @@ -143,9 +150,9 @@ def f_cost(self):

def draw(self):
COST_TO_DRAW = ''
#COST_TO_DRAW = self.g_cost
#COST_TO_DRAW = self.h_cost
#COST_TO_DRAW = self.f_cost
#COST_TO_DRAW = self.g_cost
#COST_TO_DRAW = self.h_cost
COST_TO_DRAW = self.f_cost #Combines number of steps and distance from start
line_width = 2
rect = pygame.Rect((self.coordinates[0],self.coordinates[1]),(self.dimensions[0],self.dimensions[1]))
pygame.draw.rect(self.draw_screen, self.color, rect, line_width)
Expand All @@ -167,8 +174,11 @@ def get_h_cost(self, coord_a,coord_b):
def get_open_adj_coords(self, coords):
"""returns list of valid coords that are adjacent to the argument, open, and not in the closed list."""
#modify directions and costs as needed
directions = [(1,0),(0,1),(-1,0),(0,-1)]
costs = [1,1,1,1]
straight_directions = [(1,0),(0,1),(-1,0),(0,-1)]
diag_directions = [(1,1),(1,1),(-1,1),(1,-1)]
jump_directions = [(2,0),(0,2),(-2,0),(0,-2)]
directions = straight_directions + diag_directions + jump_directions
costs = [1,1,1,1,3,3,3,3,8,8,8,8]
adj_coords = map(lambda d: self.world._add_coords(coords,d), directions)
for i, coord in enumerate(adj_coords):
costs[i] += self.world.get_terrain_cost(coord)
Expand Down