def flameplayer():
fronttiles = [coords.sum(self.position, coords.mul(self.direction, i)) for i in range(1,4)]
for tile in fronttiles:
if tile in [player.position for player in world.players]:
self._suggestmessage("The dragon breaths a jet of fire towards you", 5)
for tile in fronttiles:
self.cellmap.ignite(tile, forceignite=True)
break
def move(self, x, y):
"""Move if possible, update collectable levels accordingly"""
if abs(x) + abs(y) != 1:
return False
self.direction = (x, y)
if ((self.cellmap[coords.sum(self.position, (x, y))]['solid'] or
self.cellmap[coords.sum(self.position, (x, y))]['sogginess'] == 100) and
not GEPlayer.FREEPLAYER):
return False
self.position = coords.modsum(self.position, self.direction, self.cellmap.size)
collectable = self.cellmap[self.position]['collectableitem']
if collectable != 0:
self.score[collectable] += collectables.value[collectable]
self._suggestmessage("You pick up " + collectables.name[collectable], 4)
self.cellmap[self.position]['collectableitem'] = 0
if not GEPlayer.FREEPLAYER:
self.score[collectables.CHOCOLATE] -= self.terraincost()
if self.layingfuse and self.cellmap[self.position]['sogginess'] < GEPlayer.MAXFUSESOG:
self.cellmap.placefuse(self.position)
return True
def sprite(self, player):
isvisible = False
tileoffset = [-1 if axis == 1 else 0 for axis in self.direction]
for tile in [(0,0), (0,1), (1,0), (1,1)]:
tile = coords.modsum(tile, tileoffset, self.cellmap.size)
if coords.sum(self.position, tile) in player.visibletiles:
isvisible = True
break
if isvisible:
return self._pokedsprite(images.DragonRed[self.direction],
layer=20,
offset=coords.mul(tileoffset, images.TILESIZE))
else:
return None
def scattercoins(self, radius, number):
sqradius = radius**2
scattered = 0
attempts = 0
while scattered < number and attempts < 6*number and self.score[collectables.COIN] > 0:
attempts += 1
tryoffset = random.randint(-radius, radius), random.randint(-radius, radius)
if tryoffset[0]**2 + tryoffset[1]**2 > sqradius:
continue
trypos = coords.sum(self.position, tryoffset)
if self.cellmap[trypos]['collectableitem'] or self.cellmap[trypos]['solid']:
continue
self.cellmap[trypos]['collectableitem'] = collectables.COIN
self.score[collectables.COIN] -= 1
scattered += 1
def visibletiles(position, cellmap, viewradius, xray=False):
"""Return set of tiles visible from a position"""
visibletiles = set()
visibletiles.add(position)
def inviewradius(a):
return ((a[0]-position[0])**2 + (a[1]-position[1])**2 < viewradius**2)
for outdir in CARDINALS:
trunkpos = position
while inviewradius(trunkpos):
visibletiles.add(coords.mod(trunkpos, cellmap.size))
for perpdir in perpendiculars(outdir):
diagdir = coords.sum(outdir, perpdir)
branchpos = trunkpos
while inviewradius(branchpos):
visibletiles.add(coords.mod(branchpos, cellmap.size))
if not xray and not cellmap[branchpos]['transparent']:
break
branchpos = coords.sum(branchpos, diagdir)
if not xray and not cellmap[trunkpos]['transparent']:
break
trunkpos = coords.sum(trunkpos, outdir)
return visibletiles
def firstmove(startpos, destpos, costs, cellmap, pfmapsize=15, maxcost=40):
"""Find the best direction to move towards the destination"""
if (any(ax > pfmapsize for ax in coords.mindist(startpos, destpos, cellmap.size))):
# Player is outside pathfinder area
return False
def mapcoord(pfcoord):
"""Get map coordinate from pathfinder one"""
return coords.modsum(startpos, pfcoord, (-pfmapsize,)*2, cellmap.size)
foundtarget = False
dijkstramap = [[[0, (pfmapsize,)*2, False] for x in xrange(2*pfmapsize)] for x in xrange(2*pfmapsize)]
import heapq
openlist = []
heapq.heappush(openlist, (0, (pfmapsize,)*2))
curpos = None
while openlist:
curnode = heapq.heappop(openlist)
curdist = curnode[0]
if curdist > maxcost:
# Give up if player is painfully unreachable.
break
curpos = curnode[1]
if mapcoord(curpos) == tuple(destpos):
foundtarget = True
break
if dijkstramap[curpos[0]][curpos[1]][2] == True:
continue
else:
dijkstramap[curpos[0]][curpos[1]][2] = True
for nbrpos in coords.neighbours(curpos):
if (nbrpos[0] < 0 or nbrpos[1] < 0 or
nbrpos[0] >= 2*pfmapsize or nbrpos[1] >= 2*pfmapsize or
nbrpos == (pfmapsize, pfmapsize)):
continue
cellcost = costs(cellmap[mapcoord(nbrpos)])
newdist = curdist+cellcost
if ((dijkstramap[nbrpos[0]][nbrpos[1]][0] <= newdist and dijkstramap[nbrpos[0]][nbrpos[1]][0] != 0) or
cellmap[mapcoord(nbrpos)]['solid'] or cellcost > 8):
continue
dijkstramap[nbrpos[0]][nbrpos[1]] = [newdist, curpos, False]
heapq.heappush(openlist, (newdist, nbrpos))
if not foundtarget:
return False
while dijkstramap[curpos[0]][curpos[1]][1] != (pfmapsize, pfmapsize):
curpos = dijkstramap[curpos[0]][curpos[1]][1]
return coords.sum(curpos, (-pfmapsize,)*2)
def getAllPairwiseDistances( coords ):
"""Use the law of cosines to get the distances bweteen all atoms:
d_{ij}^2 = x_i^2 + y_j^2 - 2\dot(x_i, x_j)
Returns a matrix D of squared-distances D_ij.
"""
origin = coords.sum(axis=0)/float(coords.shape[0])
# print 'origin', origin
coords = coords - origin
# The incoming coords, X, are an N x 3 matrix.
transpose_coords = numpy.transpose(coords) # X^T
outer = numpy.dot(coords, transpose_coords) # X(X^T)
squaredDistances = numpy.zeros( outer.shape )
dotprodrows = numpy.dot( coords**2, numpy.ones( transpose_coords.shape ) ) # M_ij = x_i*x_i
dotprodcols = numpy.transpose(dotprodrows) # M_ij = x_j*x_j
squaredDistances = dotprodrows + dotprodcols - outer
# print 'squaredDistances', squaredDistances
return squaredDistances
def getAllPairwiseDistances(coords):
"""Use the law of cosines to get the distances bweteen all atoms:
d_{ij}^2 = x_i^2 + y_j^2 - 2\dot(x_i, x_j)
Returns a matrix D of squared-distances D_ij.
"""
origin = coords.sum(axis=0) / float(coords.shape[0])
# print 'origin', origin
coords = coords - origin
# The incoming coords, X, are an N x 3 matrix.
transpose_coords = numpy.transpose(coords) # X^T
outer = numpy.dot(coords, transpose_coords) # X(X^T)
squaredDistances = numpy.zeros(outer.shape)
dotprodrows = numpy.dot(coords**2, numpy.ones(
transpose_coords.shape)) # M_ij = x_i*x_i
dotprodcols = numpy.transpose(dotprodrows) # M_ij = x_j*x_j
squaredDistances = dotprodrows + dotprodcols - outer
# print 'squaredDistances', squaredDistances
return squaredDistances
def rendervisible(self, geplayer, extrasprites=[]):
sprites = []
sprites += extrasprites
for gemgo in self.gemgos:
sprite = gemgo.sprite(geplayer)
if sprite is not None:
sprites.append(sprite)
visibleranges = ([],[])
for axis in [0, 1]:
if 2*geplayer.visibility + 5 >= self.cellmap.size[axis]:
visibleranges[axis].append((0, self.cellmap.size[axis]))
else:
rmin = (geplayer.position[axis] - geplayer.visibility - 2) % self.cellmap.size[axis]
rmax = (geplayer.position[axis] + geplayer.visibility + 2) % self.cellmap.size[axis]
if rmin < rmax:
visibleranges[axis].append((rmin, rmax))
else:
visibleranges[axis].append((rmin, self.cellmap.size[axis]))
visibleranges[axis].append((0, rmax))
surface = geplayer.surface
for rx in visibleranges[0]:
for ry in visibleranges[1]:
surface.set_clip(
rx[0]*TILESIZE, ry[0]*TILESIZE,
(rx[1]-rx[0])*TILESIZE, (ry[1]-ry[0])*TILESIZE)
regionsprites = sprites
for ix in range(rx[0]-1, rx[1]+1):
for iy in range(ry[0]-1, ry[1]+1):
regionsprites += self.cellmap.sprites((ix, iy))
if coords.mod((ix, iy), self.cellmap.size) not in geplayer.visibletiles:
sprites.append((images.NonVisible, coords.sum(coords.mul((ix, iy), TILESIZE), (-4,-4)), 100))
regionsprites.sort(key=lambda x: x[2])
for sprite in regionsprites:
surface.blit(*sprite[:2])
def subtuple(a, b):
return coords.sum(a, coords.mul(b, -1))
