1.1 --- a/exporters/blendgoat/src/export_goat.py	Wed Oct 09 16:40:59 2013 +0300
     1.2 +++ b/exporters/blendgoat/src/export_goat.py	Sun Oct 13 10:14:19 2013 +0300
     1.3 @@ -1,9 +1,28 @@
     1.4  # Goat3D Blender >2.63 exporter
     1.5 -import bpy;
     1.6 +import bpy
     1.7  import ctypes
     1.8  from ctypes import *
     1.9  from ctypes.util import find_library
    1.10  
    1.11 +GOAT3D_MAT_ATTR_DIFFUSE			= "diffuse".encode('utf-8')
    1.12 +GOAT3D_MAT_ATTR_SPECULAR		= "specular".encode('utf-8')
    1.13 +GOAT3D_MAT_ATTR_SHININESS		= "shininess".encode('utf-8')
    1.14 +GOAT3D_MAT_ATTR_NORMAL			= "normal".encode('utf-8')
    1.15 +GOAT3D_MAT_ATTR_BUMP			= "bump".encode('utf-8')
    1.16 +GOAT3D_MAT_ATTR_REFLECTION		= "reflection".encode('utf-8')
    1.17 +GOAT3D_MAT_ATTR_TRANSMISSION	= "transmission".encode('utf-8')
    1.18 +GOAT3D_MAT_ATTR_IOR				= "ior".encode('utf-8')
    1.19 +GOAT3D_MAT_ATTR_ALPHA			= "alpha".encode('utf-8')
    1.20 +
    1.21 +# these must match the goat3d_vertex_attr enumeration values in goat3d.h
    1.22 +GOAT3D_MESH_ATTR_VERTEX			= 0
    1.23 +GOAT3D_MESH_ATTR_NORMAL			= 1
    1.24 +GOAT3D_MESH_ATTR_TANGENT		= 2
    1.25 +GOAT3D_MESH_ATTR_TEXCOORD		= 3
    1.26 +GOAT3D_MESH_ATTR_SKIN_WEIGHT	= 4
    1.27 +GOAT3D_MESH_ATTR_SKIN_MATRIX	= 5
    1.28 +GOAT3D_MESH_ATTR_COLOR			= 6
    1.29 +
    1.30  
    1.31  def export(oper, ctx, fname):
    1.32  	print("Exporting goat3d file: " + fname)
    1.33 @@ -21,7 +40,6 @@
    1.34  	lib.goat3d_set_name(goat, fname.encode('utf-8'))
    1.35  
    1.36  	export_env(ctx, goat, lib)
    1.37 -	export_materials(ctx, goat, lib)
    1.38  	export_meshes(ctx, goat, lib)
    1.39  	export_nodes(ctx, goat, lib)
    1.40  
    1.41 @@ -32,8 +50,60 @@
    1.42  def export_env(ctx, goat, lib):
    1.43  	return False
    1.44  
    1.45 -def export_materials(ctx, goat, lib):
    1.46 -	return False
    1.47 +def export_material(bmtl, goat, lib):
    1.48 +	name = bmtl.name.encode("utf-8")
    1.49 +
    1.50 +	mtl = lib.goat3d_create_mtl()
    1.51 +	lib.goat3d_set_mtl_name(mtl, name)
    1.52 +
    1.53 +	s = bmtl.diffuse_intensity
    1.54 +	col = bmtl.diffuse_color
    1.55 +	lib.goat3d_set_mtl_attrib4f(mtl, GOAT3D_MAT_ATTR_DIFFUSE, c_float(col[0] * s), c_float(col[1] * s), c_float(col[2] * s), 1.0)
    1.56 +
    1.57 +	s = bmtl.specular_intensity
    1.58 +	col = bmtl.specular_color
    1.59 +	lib.goat3d_set_mtl_attrib4f(mtl, GOAT3D_MAT_ATTR_SPECULAR, c_float(col[0] * s), c_float(col[1] * s), c_float(col[2] * s), 1.0)
    1.60 +	lib.goat3d_set_mtl_attrib1f(mtl, GOAT3D_MAT_ATTR_SHININESS, c_float(bmtl.specular_hardness))
    1.61 +	lib.goat3d_set_mtl_attrib1f(mtl, GOAT3D_MAT_ATTR_ALPHA, c_float(bmtl.alpha))
    1.62 +
    1.63 +	if bmtl.raytrace_mirror.use:
    1.64 +		lib.goat3d_set_mtl_attrib1f(mtl, GOAT3D_MAT_ATTR_REFLECTION, c_float(bmtl.raytrace_mirror.reflect_factor))
    1.65 +	if bmtl.use_transparency and bmtl.transparency_method == 'RAYTRACE':
    1.66 +		lib.goat3d_set_mtl_attrib1f(mtl, GOAT3D_MAT_ATTR_IOR, c_float(bmtl.raytrace_transparency.ior))
    1.67 +		lib.goat3d_set_mtl_attrib1f(mtl, GOAT3D_MAT_ATTR_TRANSMISSION, 1.0)
    1.68 +
    1.69 +	# grab all the textures and apply them to the correct attributes
    1.70 +	for texslot in bmtl.texture_slots:
    1.71 +		if not texslot:
    1.72 +			continue
    1.73 +
    1.74 +		tex = texslot.texture
    1.75 +		if tex.type != 'IMAGE':
    1.76 +			print("ignoring texture " + tex.name + ": not an image!")
    1.77 +			continue
    1.78 +
    1.79 +		fname = tex.image.filepath.encode('ascii')
    1.80 +
    1.81 +		attr = ""
    1.82 +		if texslot.use_map_color_diffuse or texslot.use_map_diffuse:
    1.83 +			attr = GOAT3D_MAT_ATTR_DIFFUSE
    1.84 +		elif texslot.use_map_color_spec or texslot.use_map_specular:
    1.85 +			attr = GOAT3D_MAT_ATTR_SPECULAR
    1.86 +		elif texslot.use_map_color_reflection or texslot.use_map_reflect:
    1.87 +			attr = GOAT3D_MAT_ATTR_REFLECTION
    1.88 +		elif texslot.use_map_hardness:
    1.89 +			attr = GOAT3D_MAT_ATTR_SHININESS
    1.90 +		elif texslot.use_map_alpha:
    1.91 +			attr = GOAT3D_MAT_ATTR_ALPHA
    1.92 +		elif texslot.use_map_normal:
    1.93 +			attr = GOAT3D_MAT_ATTR_NORMAL
    1.94 +
    1.95 +		if attr != "":
    1.96 +			lib.goat3d_set_mtl_attrib_map(mtl, attr, fname)
    1.97 +
    1.98 +	lib.goat3d_add_mtl(goat, mtl)
    1.99 +	return mtl
   1.100 +
   1.101  
   1.102  def export_meshes(ctx, goat, lib):
   1.103  	print("exporting " + str(len(ctx.scene.objects)) + " objects")
   1.104 @@ -41,20 +111,31 @@
   1.105  		if obj.type != 'MESH':
   1.106  			continue
   1.107  
   1.108 -		mesh = obj.data
   1.109 +		bmesh = obj.data
   1.110  		# make sure we get a tesselated mesh
   1.111 -		mesh.update(calc_tessface = True)
   1.112 +		bmesh.update(calc_tessface = True)
   1.113  
   1.114 -		triangles = []
   1.115 -		for idx, face in enumerate(mesh.tessfaces):
   1.116 +		# create goat3d mesh and set the data
   1.117 +		mesh = lib.goat3d_create_mesh()
   1.118 +		lib.goat3d_set_mesh_name(mesh, bmesh.name.encode("utf-8"))
   1.119 +
   1.120 +		# get the material, add it to the scene and apply it to this mesh
   1.121 +		for bmtl in bmesh.materials:
   1.122 +			mtl = export_material(bmtl, goat, lib)
   1.123 +			lib.goat3d_set_mesh_mtl(mesh, mtl)
   1.124 +			break	# we only care about one material
   1.125 +
   1.126 +		for vert in bmesh.vertices:
   1.127 +			v = vert.co
   1.128 +			n = vert.normal
   1.129 +			lib.goat3d_add_mesh_attrib3f(mesh, GOAT3D_MESH_ATTR_VERTEX, v[0], v[1], v[2])
   1.130 +			lib.goat3d_add_mesh_attrib3f(mesh, GOAT3D_MESH_ATTR_NORMAL, n[0], n[1], n[2])
   1.131 +
   1.132 +		for face in bmesh.tessfaces:
   1.133  			fverts = face.vertices
   1.134 -			triangles.append(fverts[0])
   1.135 -			triangles.append(fverts[1])
   1.136 -			triangles.append(fverts[2])
   1.137 +			lib.goat3d_add_mesh_face(mesh, fverts[0], fverts[1], fverts[2])
   1.138  
   1.139 -		print("creating native array of " + str(len(triangles)) + " triangles")
   1.140 -		IndexArrayType = c_int * len(triangles)
   1.141 -		indices = IndexArrayType(triangles)
   1.142 +		lib.goat3d_add_mesh(goat, mesh)
   1.143  	return False
   1.144  
   1.145  
   1.146 @@ -93,6 +174,9 @@
   1.147  	lib.goat3d_set_mtl_name.argtypes = [c_void_p, c_char_p]
   1.148  	lib.goat3d_set_mtl_name.restype = None
   1.149  
   1.150 +	lib.goat3d_set_mtl_attrib1f.argtypes = [c_void_p, c_char_p, c_float]
   1.151 +	lib.goat3d_set_mtl_attrib1f.restype = None
   1.152 +
   1.153  	lib.goat3d_set_mtl_attrib4f.argtypes = [c_void_p, c_char_p, c_float, c_float, c_float, c_float]
   1.154  	lib.goat3d_set_mtl_attrib4f.restype = None
   1.155  
   1.156 @@ -111,11 +195,14 @@
   1.157  	lib.goat3d_set_mesh_mtl.argtypes = [c_void_p, c_void_p]
   1.158  	lib.goat3d_set_mesh_mtl.restype = None
   1.159  
   1.160 -	lib.goat3d_set_mesh_attribs.argtypes = [c_void_p, c_int, c_void_p, c_int]
   1.161 -	lib.goat3d_set_mesh_attribs.restype = None
   1.162 +	lib.goat3d_add_mesh_attrib3f.argtypes = [c_void_p, c_int, c_float, c_float, c_float]
   1.163 +	lib.goat3d_add_mesh_attrib3f.restype = None
   1.164  
   1.165 -	lib.goat3d_set_mesh_faces.argtypes = [c_void_p, c_void_p, c_int]
   1.166 -	lib.goat3d_set_mesh_faces.restype = None
   1.167 +	lib.goat3d_add_mesh_attrib4f.argtypes = [c_void_p, c_int, c_float, c_float, c_float, c_float]
   1.168 +	lib.goat3d_add_mesh_attrib4f.restype = None
   1.169 +
   1.170 +	lib.goat3d_add_mesh_face.argtypes = [c_void_p, c_int, c_int, c_int]
   1.171 +	lib.goat3d_add_mesh_face.restype = None
   1.172  
   1.173  	lib.goat3d_add_node.argtypes = [c_void_p, c_void_p]
   1.174  	lib.goat3d_add_node.restype = None