def paste(self, other, offset=(0,0)):
"""Insert content of another map."""
vlen = len(self.vertexes)
ilen = len(self.sidedefs)
slen = len(self.sectors)
for vx in other.vertexes:
x, y = vx.x, vx.y
self.vertexes.append(Vertex(x+offset[0], y+offset[1]))
for line in other.linedefs:
z = util.copy(line)
z.vx_a += vlen
z.vx_b += vlen
if z.front != -1: z.front += ilen
if z.back != -1: z.back += ilen
self.linedefs.append(z)
for side in other.sidedefs:
z = util.copy(side)
z.sector += slen
self.sidedefs.append(z)
for sector in other.sectors:
z = util.copy(sector)
self.sectors.append(z)
for thing in other.things:
z = util.copy(thing)
z.x += offset[0]
z.y += offset[1]
self.things.append(z)
def draw_sector(self, vertexes, sector=None, sidedef=None):
"""Draw a polygon from a list of vertexes. The vertexes may be
either Vertex objects or simple (x, y) tuples. A sector object
and prototype sidedef may be provided."""
assert len(vertexes) > 2
firstv = len(self.vertexes)
firsts = len(self.sidedefs)
if sector is None: sector = Sector()
if sidedef is None: sidedef = Sidedef()
self.sectors.append(util.copy(sector))
for i, v in enumerate(vertexes):
if isinstance(v, tuple):
x, y = v
else:
x, y = v.x, v.y
self.vertexes.append(Vertex(x, y))
for i in range(len(vertexes)):
side = util.copy(sidedef)
side.sector = len(self.sectors)-1
self.sidedefs.append(side)
self.linedefs.append(
Linedef(vx_a=firstv+((i+1)%len(vertexes)),
vx_b=firstv+i, front=firsts+i, flags=1))