def get_center(self):
"""Return the current center point of the bone."""
a,b,c = self.cur_start
d,e,f = self.cur_end
return (math3d.safe_div(a+d, 2.0),
math3d.safe_div(b+e, 2.0),
math3d.safe_div(c+f, 2.0))
def _build_tex(self):
chars = self.renderable + "\a"
mapping = {}
x = 0
y = 0
max_height = 0
pyg_im = pygame.Surface((512,512)).convert_alpha()
pyg_im.fill((0,0,0,0))
for i in chars:
g = self.font_obj.render(i, True, (255,255,255))
tdata = pygame.image.tostring(g, "RGBA", 1)
xs, ys = g.get_size()
if x + xs >= 512:
x = 0
y += max_height
max_height = 0
if y+ys >= 512:
raise Exception("Ran out of room for Font texture map - reduce internal_font_size when creating font.")
max_height = max((max_height, ys))
pyg_im.blit(g, (x,y))
mapping[i] = (math3d.safe_div(x, 512.0),#tex start x
math3d.safe_div(y, 512.0),#tex start y
math3d.safe_div(x+xs, 512.0),#tex end x
math3d.safe_div(y+ys, 512.0),#tex end y
xs,#width
ys)#height
x += xs
pygame.draw.line(pyg_im, (255,255,255), (0,511), (511,511))
self.font_tex = data.Texture(pyg_im)
self.font_mapping = mapping
self.font_image = image.Image(pyg_im)
def _compile(self):
"""Compile the Sphere into a data.DisplayList"""
self.display_list.begin()
verts = []
texcs = []
norms = []
space = self.detail
for b in xrange(0, 180, space):
b *= 1.0
for a in xrange(0, 360, space):
a *= 1.0
_v = []
_t = []
for i in xrange(2):
for j in xrange(2):
s1 = space * i
s2 = space * j
x = math.sin(
math3d.safe_div(a + s1, 180) * math.pi) * math.sin(
math3d.safe_div(b + s2, 180) * math.pi)
z = math.cos(
math3d.safe_div(a + s1, 180) * math.pi) * math.sin(
math3d.safe_div(b + s2, 180) * math.pi)
y = math.cos(math3d.safe_div(b + s2, 180) * math.pi)
u = math3d.safe_div(a + s1, 360)
v = math3d.safe_div(b + s2, 360)
_v.append((x, y, z))
_t.append((u, 1 - v * 2))
verts.extend([_v[0], _v[1], _v[3], _v[0], _v[3], _v[2]])
texcs.extend([_t[0], _t[1], _t[3], _t[0], _t[3], _t[2]])
norms.extend([math3d.calcTriNormal(*verts[-6:-3])] * 3)
norms.extend([math3d.calcTriNormal(*verts[-3::])] * 3)
if self.show_inside:
verts.extend(reversed(verts[-6::]))
texcs.extend(reversed(texcs[-6::]))
norms.extend([math3d.calcTriNormal(*verts[-6:-3])] * 3)
norms.extend([math3d.calcTriNormal(*verts[-3::])] * 3)
glBegin(GL_TRIANGLES)
for i in xrange(len(verts)):
u, v = texcs[i]
glTexCoord2f(u, v)
glNormal3f(*norms[i])
x, y, z = verts[i]
glVertex3f(x, y, z)
glEnd()
self.display_list.end()
def update(self, skeleton, tstamp_last, tstamp_cur):
"Update the skeleton based on the last and current timestamps." ""
if self.obj in skeleton.bones:
obj = skeleton.bones[self.obj]
else:
return None
pos, rotation, scale = obj.get_center(), obj.rotation, obj.scale
if tstamp_last > self.end or tstamp_cur < self.start:
return None
_s = max((tstamp_last, self.start))
_e = min((tstamp_cur, self.end))
mult = math3d.safe_div(float(_e - _s), self.end - _s)
if self.ident == "RT":
a, b, c = self._d(self.val, rotation, mult)
obj.rotate(a, b, c)
if self.ident == "MT":
pos = self._d(self.val, pos, mult)
obj.move(*pos)
if self.ident == "ST":
scale = self._d(self.val, scale, mult)
obj.scaled(*scale)
def update(self, skeleton, tstamp_last, tstamp_cur):
"Update the skeleton based on the last and current timestamps."""
if self.obj in skeleton.bones:
obj = skeleton.bones[self.obj]
else:
return None
pos, rotation, scale = obj.get_center(), obj.rotation, obj.scale
if tstamp_last > self.end or tstamp_cur < self.start:
return None
_s = max((tstamp_last, self.start))
_e = min((tstamp_cur, self.end))
mult = math3d.safe_div(float(_e-_s), self.end-_s)
if self.ident == "RT":
a,b,c = self._d(self.val, rotation, mult)
obj.rotate(a,b,c)
if self.ident == "MT":
pos = self._d(self.val, pos, mult)
obj.move(*pos)
if self.ident == "ST":
scale = self._d(self.val, scale, mult)
obj.scaled(*scale)
def get_center(self):
"""Return the current center point of the bone."""
a, b, c = self.cur_start
d, e, f = self.cur_end
return (math3d.safe_div(a + d, 2.0), math3d.safe_div(b + e, 2.0),
math3d.safe_div(c + f, 2.0))
def compile(self, vertices, normals, texcoords):
"""Compile the ObjGroup into a CompiledGroup for rendering/using."""
faces = []
for face in self.faces:
v, n, t = face
uv, un, ut = [], [], []
for i in xrange(len(v)):
if n[i] > 0:
un.append(normals[n[i] - 1])
else:
un.append(None)
if t[i] > 0:
ut.append(texcoords[t[i] - 1])
else:
ut.append(None)
uv.append(vertices[v[i] - 1])
faces.append((uv, un, ut))
final = []
for face in faces:
v, n, t = face
nv = []
for i in v:
a, b, c = i
nv.append((a, b, c))
final.append((nv, n, t))
#now build our display list!
dlist = data.DisplayList()
dlist.begin()
minx = miny = minz = 0
maxx = maxy = maxz = 0
avgx, avgy, avgz = 0, 0, 0
num = 0
for face in final:
v = face[0]
for i in xrange(len(v)):
num += 1
x, y, z = v[i]
avgx += x
avgy += y
avgz += z
avgx = math3d.safe_div(float(avgx), num)
avgy = math3d.safe_div(float(avgy), num)
avgz = math3d.safe_div(float(avgz), num)
for face in final:
v, n, t = face
glBegin(GL_POLYGON)
for i in xrange(len(v)):
if n[i]:
glNormal3fv(n[i])
if t[i]:
glTexCoord2fv(t[i])
x, y, z = v[i]
glVertex3f(x - avgx, y - avgy, z - avgz)
minx = min((minx, x))
maxx = max((maxx, x))
miny = min((miny, y))
maxy = max((maxy, y))
minz = min((minz, z))
maxz = max((maxz, z))
glEnd()
dlist.end()
if self.material == None:
self.material = data.Material("null")
return CompiledGroup(self.name, self.material, dlist,
(minx, miny, minz, maxx, maxy, maxz),
(avgx, avgy, avgz))
def compile(self, vertices, normals, texcoords):
"""Compile the ObjGroup into a CompiledGroup for rendering/using.
vertices/normals/texcoords are a list of all attributes in the mesh file, fo reference"""
faces = []
for face in self.faces:
v,n,t = face
uv, un, ut = [], [], []
for i in xrange(len(v)):
if n[i] > 0:
un.append(normals[n[i]-1])
else:
un.append(None)
if t[i] > 0:
ut.append(texcoords[t[i]-1])
else:
ut.append(None)
uv.append(vertices[v[i]-1])
faces.append((uv, un, ut))
final = []
for face in faces:
v,n,t = face
nv = []
for i in v:
a,b,c = i
nv.append((a,b,c))
final.append((nv,n,t))
#now build our display list!
dlist = data.DisplayList()
dlist.begin()
minx = miny = minz = 0
maxx = maxy = maxz = 0
avgx, avgy, avgz = 0,0,0
num = 0
for face in final:
v = face[0]
for i in xrange(len(v)):
num += 1
x, y, z = v[i]
avgx += x
avgy += y
avgz += z
avgx = math3d.safe_div(float(avgx), num)
avgy = math3d.safe_div(float(avgy), num)
avgz = math3d.safe_div(float(avgz), num)
for face in final:
v, n, t = face
glBegin(GL_POLYGON)
for i in xrange(len(v)):
if n[i]:
glNormal3fv(n[i])
if t[i]:
glTexCoord2fv(t[i])
x, y, z = v[i]
glVertex3f(x-avgx, y-avgy, z-avgz)
minx = min((minx, x))
maxx = max((maxx, x))
miny = min((miny, y))
maxy = max((maxy, y))
minz = min((minz, z))
maxz = max((maxz, z))
glEnd()
dlist.end()
if self.material == None:
self.material = data.Material("null")
return CompiledGroup(self.name, self.material, dlist, (minx,miny,minz, maxx, maxy, maxz),
(avgx, avgy, avgz))
