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simple_Vert_index_buffer_extractor_from_blender.py
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simple_Vert_index_buffer_extractor_from_blender.py
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import bpy
obj = bpy.data.objects['low_poly']
mesh = obj.data
normals = []
indices = []
mats = []
#manually put materials and cols of material here
col0=[bpy.data.materials['r'].node_tree.nodes["Principled BSDF"].inputs[0].default_value[0],bpy.data.materials['r'].node_tree.nodes["Principled BSDF"].inputs[0].default_value[1],bpy.data.materials['r'].node_tree.nodes["Principled BSDF"].inputs[0].default_value[2]]
col1=[bpy.data.materials['g'].node_tree.nodes["Principled BSDF"].inputs[0].default_value[0],bpy.data.materials['g'].node_tree.nodes["Principled BSDF"].inputs[0].default_value[1],bpy.data.materials['g'].node_tree.nodes["Principled BSDF"].inputs[0].default_value[2]]
col2=[bpy.data.materials['b'].node_tree.nodes["Principled BSDF"].inputs[0].default_value[0],bpy.data.materials['b'].node_tree.nodes["Principled BSDF"].inputs[0].default_value[1],bpy.data.materials['b'].node_tree.nodes["Principled BSDF"].inputs[0].default_value[2]]
col3=[bpy.data.materials['a'].node_tree.nodes["Principled BSDF"].inputs[0].default_value[0],bpy.data.materials['a'].node_tree.nodes["Principled BSDF"].inputs[0].default_value[1],bpy.data.materials['a'].node_tree.nodes["Principled BSDF"].inputs[0].default_value[2]]
for face in mesh.polygons:
indices.append(face.vertices[0])
indices.append(face.vertices[1])
indices.append(face.vertices[2])
if face.material_index==0:
mats.append((int)(col0[0]*255))
mats.append((int)(col0[1]*255))
mats.append((int)(col0[2]*255))
elif face.material_index==1:
mats.append((int)(col1[0]*255))
mats.append((int)(col1[1]*255))
mats.append((int)(col1[2]*255))
elif face.material_index==2:
mats.append((int)(col2[0]*255))
mats.append((int)(col2[1]*255))
mats.append((int)(col2[2]*255))
elif face.material_index==3:
mats.append((int)(col3[0]*255))
mats.append((int)(col3[1]*255))
mats.append((int)(col3[2]*255))
normals.append(face.normal.x)
normals.append(face.normal.y)
normals.append(-face.normal.z)
verts = []
for vert in mesh.vertices:
verts.append(vert.co.x)
verts.append(vert.co.y)
verts.append(vert.co.z*-1)
uvs = []
for uv_layer in mesh.uv_layers:
for x in range(len(uv_layer.data)):
uvs.append(uv_layer.data[x].uv)
out_cpp_str="Number_of_verticies "+str(len(verts)/3)+"\n"
out_cpp_str+="Number_of_Faces "+str(len(indices)/3)+"\n"
out_cpp_str+="Vertex Buffer: \n"
for i in range(len(verts)):
out_cpp_str+=str(format(verts[i],".2f"))+','
if (i+1)%3==0:
out_cpp_str+="\n"
out_cpp_str+="\nIndex Buffer: \n"
for i in range(len(indices)):
out_cpp_str+=str(indices[i])+','
if (i+1)%3==0:
out_cpp_str+="\n"
out_cpp_str+="\nCol_Buffer: \n"
for i in range(len(mats)):
out_cpp_str+=str(mats[i])+','
if (i+1)%3==0:
out_cpp_str+="\n"
out_cpp_str+="\nNormal buffer: \n"
for i in range(len(normals)):
out_cpp_str+=str(format(normals[i],".2f"))+','
if (i+1)%3==0:
out_cpp_str+="\n"
cpp_filepath = bpy.path.abspath("//")+"N_Frog"+".txt"
f = open(cpp_filepath, 'w+')
f.write(out_cpp_str)
f.close()