def makeSphere(self, nu, nv, x, y, z, rad, mat): yi = self.yi ID = yafrayinterface.new_uintp() yi.startGeometry(); if not yi.startTriMeshPtr(ID, 2+(nu-1)*nv, 2*(nu-1)*nv, False, False): print "error on starting trimesh!\n" yi.addVertex(x, y, z+rad); yi.addVertex(x, y, z-rad); for v in range(0, nv): t = v/float(nv) sin_v = sin(2.0*pi*t) cos_v = cos(2.0*pi*t) for u in range(1, nu): s = u/float(nu); sin_u = sin(pi*s) cos_u = cos(pi*s) yi.addVertex(x + cos_v*sin_u*rad, y + sin_v*sin_u*rad, z + cos_u*rad) for v in range(0, nv): yi.addTriangle( 0, 2+v*(nu-1), 2+((v+1)%nv)*(nu-1), mat ); yi.addTriangle( 1, ((v+1)%nv)*(nu-1)+nu, v*(nu-1)+nu, mat ); for u in range(0, nu-2): yi.addTriangle( 2+v*(nu-1)+u, 2+v*(nu-1)+u+1, 2+((v+1)%nv)*(nu-1)+u, mat ); yi.addTriangle( 2+v*(nu-1)+u+1, 2+((v+1)%nv)*(nu-1)+u+1, 2+((v+1)%nv)*(nu-1)+u, mat ); yi.endTriMesh(); yi.endGeometry(); return yafrayinterface.uintp_value(ID)
def createLight(self, yi, obj, matrix = None, lamp_mat = None, dupliNum = None):
name = obj.name
if dupliNum != None:
name += str(dupliNum)
if matrix == None:
matrix = obj.getMatrix()
pos = matrix[3]
dir = matrix[2]
up = matrix[1]
to = [pos[0] - dir[0], pos[1] - dir[1], pos[2] - dir[2]]
yi.paramsClearAll()
props = obj.properties["YafRay"]
lampType = props["type"]
power = props["power"]
color = props["color"]
print "INFO: Adding Lamp:", name, " type: ", lampType
if lampType == "Point":
yi.paramsSetString("type", "pointlight")
power = 0.5 * power * power
elif lampType == "Sphere":
radius = props["radius"]
power = 0.5*power*power/(radius * radius)
if props["createGeometry"] == True:
ID = self.makeSphere(24, 48, pos[0], pos[1], pos[2], radius, lamp_mat)
yi.paramsSetInt("object", ID)
yi.paramsSetString("type", "spherelight")
yi.paramsSetInt("samples", props["samples"])
yi.paramsSetFloat("radius", radius)
elif lampType == "Spot":
light = obj.getData()
yi.paramsSetString("type", "spotlight")
#print "spot ", light.getSpotSize()
yi.paramsSetFloat("cone_angle", light.getSpotSize() / 2)
yi.paramsSetFloat("blend", light.getSpotBlend())
yi.paramsSetPoint("to", to[0], to[1], to[2])
power = 0.5*power*power
elif lampType == "Sun":
yi.paramsSetString("type", "sunlight")
yi.paramsSetInt("samples", props["samples"])
yi.paramsSetFloat("angle", props["angle"])
yi.paramsSetPoint("direction", dir[0], dir[1], dir[2])
elif lampType == "Directional":
yi.paramsSetString("type", "directional")
#if props["infinite"] == True:
yi.paramsSetBool("infinite", props["infinite"])
yi.paramsSetFloat("radius", props["radius"])
yi.paramsSetPoint("direction", dir[0], dir[1], dir[2])
elif lampType == "Area":
yi.paramsSetString("type", "arealight")
areaLight = obj.getData()
sizeX = areaLight.getAreaSizeX()
#sizeY = areaLight.getAreaSizeY()
sizeY = sizeX
matrix = matrix.__copy__()
matrix.transpose()
# generate an untransformed rectangle in the XY plane with
# the light's position as the centerpoint and transform it
# using its transformation matrix
point = Vector(-sizeX/2, -sizeY/2, 0, 1)
corner1 = Vector(-sizeX/2, sizeY/2, 0, 1)
corner2 = Vector(sizeX/2, sizeY/2, 0, 1)
corner3 = Vector(sizeX/2, -sizeY/2, 0, 1)
point = matrix * point
corner1 = matrix * corner1
corner2 = matrix * corner2
corner3 = matrix * corner3
#print "point: ", point, corner1, corner2, corner3
if props["createGeometry"] == True:
ID = yafrayinterface.new_uintp()
yi.startGeometry();
yi.startTriMesh(ID, 4, 2, False, False);
idx1 = yi.addVertex(point[0], point[1], point[2]);
idx2 = yi.addVertex(corner1[0], corner1[1], corner1[2]);
idx3 = yi.addVertex(corner2[0], corner2[1], corner2[2]);
idx4 = yi.addVertex(corner3[0], corner3[1], corner3[2]);
yi.addTriangle(idx1, idx2, idx3, lamp_mat);
yi.addTriangle(idx1, idx3, idx4, lamp_mat);
yi.endTriMesh();
yi.endGeometry();
yi.paramsSetInt("object", yafrayinterface.uintp_value(ID));
yi.paramsClearAll();
yi.paramsSetString("type", "arealight");
yi.paramsSetInt("samples", props["samples"])
yi.paramsSetPoint("corner", point[0], point[1], point[2]);
yi.paramsSetPoint("point1", corner1[0], corner1[1], corner1[2]);
yi.paramsSetPoint("point2", corner3[0], corner3[1], corner3[2]);
yi.paramsSetPoint("from", pos[0], pos[1], pos[2])
yi.paramsSetColor("color", color[0], color[1], color[2])
yi.paramsSetFloat("power", power)
yi.createLight(name)
def createObject(self, yi, materialMap):
print "INFO: Adding Object: ",self,self.shape
yi.paramsClearAll()
ID = yafrayinterface.new_uintp()
ID_val = yafrayinterface.uintp_value(ID)
smooth = False
meshlight = False
hasOrco = False
hasUV = False
yi.startGeometry()
yi.startTriMeshPtr(ID, self.nb_vertex(), self.nb_triangles(), hasOrco, hasUV, 0)
ind = 0
for v in self.vertices_list:
if hasOrco:
yi.addVertex(v.co[0], v.co[1], v.co[2],ov[ind][0], ov[ind][1], ov[ind][2] )
ind += 1
else:
yi.addVertex(v[0], v[1],v[2])
for f in self.triangles_list:
## if f.smooth == True:
## smooth = True
smooth = False
## if meshlight: ymat = ml_mat
## else:
## if renderer["clayRender"] == True:
## ymat = self.materialMap["default"]
## elif obj.getType() == 'Curve':
## curve = obj.getData()
## smooth = True
## if len(curve.getMaterials()) != 0:
## mat = curve.getMaterials()[0]
## if mat in self.materialMap:
## ymat = self.materialMap[mat]
## else:
## ymat = self.materialMap["default"]
## elif len(mesh.materials) != 0:
## mat = mesh.materials[f.mat]
## if mat in self.materialMap:
## ymat = self.materialMap[mat]
## else:
## ymat = self.materialMap["default"]
## else:
## ymat = self.materialMap["default"]
## ymat = self.materialMap["default"]
ymat = materialMap[self.material]
if hasUV == True:
uv0 = yi.addUV(f.uv[0][0], f.uv[0][1])
uv1 = yi.addUV(f.uv[1][0], f.uv[1][1])
uv2 = yi.addUV(f.uv[2][0], f.uv[2][1])
yi.addTriangle(f.v[0].index, f.v[1].index, f.v[2].index, uv0, uv1, uv2, ymat)
else:
yi.addTriangle(f[0], f[1], f[2], ymat)
if len(f) == 4:
if hasUV == True:
uv3 = yi.addUV(f.uv[3][0], f.uv[3][1])
yi.addTriangle(f.v[2].index, f.v[3].index, f.v[0].index, uv2, uv3, uv0, ymat)
else:
yi.addTriangle(f.v[2].index, f.v[3].index, f.v[0].index, ymat)
yi.endTriMesh()
if smooth == True:
if mesh.mode & Blender.Mesh.Modes.AUTOSMOOTH:
yi.smoothMesh(0, mesh.degr)
else:
yi.smoothMesh(0, 181)
yi.smoothMesh(0, 181)
yi.endGeometry()
if meshlight:
# add mesh light
yi.paramsClearAll()
yi.paramsSetString("type", "meshlight")
yi.paramsSetBool("double_sided", objProp["double_sided"])
c = objProp["color"]
yi.paramsSetColor("color", c[0], c[1], c[2])
yi.paramsSetFloat("power", objProp["power"])
yi.paramsSetInt("samples", objProp["samples"])
yi.paramsSetInt("object", yafrayinterface.uintp_value(ID))
yi.createLight(obj.name)
yi.paramsClearAll()
def writeObject(self, yi, obj, matrix = None):
print "INFO: Adding Object: " + obj.getName()
yi.paramsClearAll()
objProp = obj.properties["YafRay"]
scene = Scene.GetCurrent()
renderer = scene.properties["YafRay"]["Renderer"]
worldProp = scene.world.properties["YafRay"]
mesh = Mesh.New()
mesh.getFromObject(obj, 0, 1)
# CHECK if the object has an orco mapped texture
hasOrco = False
for mat in mesh.materials:
if mat == None: continue
mtextures = mat.getTextures()
if hasattr(mat, 'enabledTextures'):
for m in mat.enabledTextures:
if mtextures[m].texco == Blender.Texture.TexCo.ORCO:
hasOrco = True
break
if hasOrco:
# Keep a copy of the untransformed vertex and bring them
# into a (-1 -1 -1) (1 1 1) bounding box
ov = []
bbMin, bbMax = getBBCorners(obj)
# print bbMin, bbMax
delta = []
for i in range(3):
delta.append(bbMax[i] - bbMin[i])
if delta[i] < 0.0001: delta[i] = 1
# print "delta", delta
for v in mesh.verts:
normCo = []
for i in range(3):
normCo.append(2 * (v.co[i] - bbMin[i]) / delta[i] - 1)
ov.append([normCo[0], normCo[1], normCo[2]])
if matrix == None:
mesh.transform(obj.getMatrix())
else:
mesh.transform(matrix)
hasUV = mesh.faceUV
ID = yafrayinterface.new_uintp()
ID_val = yafrayinterface.uintp_value(ID)
smooth = False
meshlight = objProp["meshlight"]
if meshlight:
# add mesh light material
yi.paramsClearAll();
yi.paramsSetString("type", "light_mat");
yi.paramsSetBool("double_sided", objProp["double_sided"])
c = objProp["color"];
yi.paramsSetColor("color", c[0], c[1], c[2])
yi.paramsSetFloat("power", objProp["power"])
ml_matname = "ML_"
ml_matname += obj.name
ml_mat = yi.createMaterial(ml_matname);
yi.paramsClearAll()
isVolume = objProp["volume"]
if isVolume:
yi.paramsClearAll();
volregion_type = objProp["volregionType"]
if "ExpDensityVolume" == volregion_type:
yi.paramsSetString("type", "ExpDensityVolume");
yi.paramsSetFloat("a", objProp["a"])
yi.paramsSetFloat("b", objProp["b"])
elif "UniformVolume" == volregion_type:
yi.paramsSetString("type", "UniformVolume");
elif "NoiseVolume" == volregion_type:
yi.paramsSetString("type", "NoiseVolume");
yi.paramsSetFloat("sharpness", objProp["sharpness"])
yi.paramsSetFloat("cover", objProp["cover"])
yi.paramsSetFloat("density", objProp["density"])
elif "GridVolume" == volregion_type:
yi.paramsSetString("type", "GridVolume");
elif "SkyVolume" == volregion_type:
yi.paramsSetString("type", "SkyVolume");
yi.paramsSetFloat("sigma_a", objProp["sigma_a"])
yi.paramsSetFloat("sigma_s", objProp["sigma_s"])
yi.paramsSetFloat("l_e", objProp["l_e"])
yi.paramsSetFloat("g", objProp["g"])
yi.paramsSetInt("attgridScale", worldProp["attgridScale"])
# derive the AABB from the supplied mesh, find the max and
# min of the mesh's geometry and use that for the AABB
min = [1e10, 1e10, 1e10]
max = [-1e10, -1e10, -1e10]
for v in mesh.verts:
vertLoc = v.co
if vertLoc[0] < min[0]: min[0] = vertLoc[0]
if vertLoc[1] < min[1]: min[1] = vertLoc[1]
if vertLoc[2] < min[2]: min[2] = vertLoc[2]
if vertLoc[0] > max[0]: max[0] = vertLoc[0]
if vertLoc[1] > max[1]: max[1] = vertLoc[1]
if vertLoc[2] > max[2]: max[2] = vertLoc[2]
yi.paramsSetFloat("minX", min[0])
yi.paramsSetFloat("minY", min[1])
yi.paramsSetFloat("minZ", min[2])
yi.paramsSetFloat("maxX", max[0])
yi.paramsSetFloat("maxY", max[1])
yi.paramsSetFloat("maxZ", max[2])
yi.createVolumeRegion(obj.name)
yi.paramsClearAll()
return;
yi.startGeometry()
yi.startTriMeshPtr(ID, len(mesh.verts), len(mesh.faces), hasOrco, hasUV, 0)
ind = 0
for v in mesh.verts:
if hasOrco:
yi.addVertex(v.co[0], v.co[1], v.co[2],ov[ind][0], ov[ind][1], ov[ind][2] )
ind += 1
else:
yi.addVertex(v.co[0], v.co[1], v.co[2])
for f in mesh.faces:
if f.smooth == True:
smooth = True
if meshlight: ymat = ml_mat
else:
if renderer["clayRender"] == True:
ymat = self.materialMap["default"]
elif obj.getType() == 'Curve':
curve = obj.getData()
smooth = True
if len(curve.getMaterials()) != 0:
mat = curve.getMaterials()[0]
if mat in self.materialMap:
ymat = self.materialMap[mat]
else:
ymat = self.materialMap["default"]
elif len(mesh.materials) != 0:
mat = mesh.materials[f.mat]
if mat in self.materialMap:
ymat = self.materialMap[mat]
else:
ymat = self.materialMap["default"]
else:
ymat = self.materialMap["default"]
if hasUV == True:
uv0 = yi.addUV(f.uv[0][0], f.uv[0][1])
uv1 = yi.addUV(f.uv[1][0], f.uv[1][1])
uv2 = yi.addUV(f.uv[2][0], f.uv[2][1])
yi.addTriangle(f.v[0].index, f.v[1].index, f.v[2].index, uv0, uv1, uv2, ymat)
else:
yi.addTriangle(f.v[0].index, f.v[1].index, f.v[2].index, ymat)
if len(f) == 4:
if hasUV == True:
uv3 = yi.addUV(f.uv[3][0], f.uv[3][1])
yi.addTriangle(f.v[2].index, f.v[3].index, f.v[0].index, uv2, uv3, uv0, ymat)
else:
yi.addTriangle(f.v[2].index, f.v[3].index, f.v[0].index, ymat)
yi.endTriMesh()
if smooth == True:
if mesh.mode & Blender.Mesh.Modes.AUTOSMOOTH:
yi.smoothMesh(0, mesh.degr)
else:
yi.smoothMesh(0, 181)
yi.endGeometry()
if meshlight:
# add mesh light
yi.paramsClearAll()
yi.paramsSetString("type", "meshlight")
yi.paramsSetBool("double_sided", objProp["double_sided"])
c = objProp["color"]
yi.paramsSetColor("color", c[0], c[1], c[2])
yi.paramsSetFloat("power", objProp["power"])
yi.paramsSetInt("samples", objProp["samples"])
yi.paramsSetInt("object", yafrayinterface.uintp_value(ID))
yi.createLight(obj.name)
yi.paramsClearAll()