Initial commit

extra/m3dexport.py

@@ -0,0 +1,198 @@
+#!BPY
+"""
+Name: 'm3d mesh exporter'
+Blender: 237
+Group: 'Export'
+Tooltip: 'Export meshes to .xml'
+"""
+
+import Blender
+from Blender import NMesh, Object, Scene, Lamp
+
+import math
+from math import sin, cos
+
+import os
+
+global indentation
+indentation = 0
+
+def indent(file):
+	if indentation < 1:
+		return
+	
+	for i in range(indentation):
+		file.write("\t");
+		
+def setIndent(d):
+	global indentation
+	indentation += d
+
+def toQuaternion(fRoll, fYaw, fPitch):
+	fSinPitch = sin(fPitch*0.5)
+	fCosPitch = cos(fPitch*0.5)
+	fSinYaw = sin(fYaw*0.5)
+	fCosYaw = cos(fYaw*0.5)
+	fSinRoll = sin(fRoll*0.5)
+	fCosRoll = cos(fRoll*0.5)
+	fCosPitchCosYaw = fCosPitch*fCosYaw
+	fSinPitchSinYaw = fSinPitch*fSinYaw
+	X = fSinRoll * fCosPitchCosYaw     - fCosRoll * fSinPitchSinYaw
+	Y = fCosRoll * fSinPitch * fCosYaw + fSinRoll * fCosPitch * fSinYaw
+	Z = fCosRoll * fCosPitch * fSinYaw - fSinRoll * fSinPitch * fCosYaw
+	W = fCosRoll * fCosPitchCosYaw     + fSinRoll * fSinPitchSinYaw
+	return [W, X, Y, Z]
+
+def export(obj, file):
+	print "Export %s\n" %obj.getName()
+	
+	locX = obj.LocX
+	locY = obj.LocY
+	locZ = obj.LocZ
+	rotX = obj.RotX
+	rotY = obj.RotY
+	rotZ = obj.RotZ
+	sizeX = obj.SizeX
+	sizeY = obj.SizeY
+	sizeZ = obj.SizeZ
+	
+	parent = obj.getParent()
+	while parent:
+		locX -= parent.LocX
+		locY -= parent.LocY
+		locZ -= parent.LocZ
+		rotX -= parent.RotX
+		rotY -= parent.RotY
+		rotZ -= parent.RotZ
+		sizeX /= parent.SizeX
+		sizeY /= parent.SizeY
+		sizeZ /= parent.SizeZ
+		parent = parent.getParent()
+		
+	loc = [locX, locY, locZ]
+	size = [sizeX, sizeY, sizeZ]
+	quat = toQuaternion(rotX, -rotY, rotZ)
+	
+	if obj.getType() == "Mesh":
+		exportMesh(obj, file, loc, size, quat)
+	
+def exportMaterial(mat, file):
+	indent(file)
+	file.write("<Material name=\"%s\" " % mat.getName())
+	col = mat.getRGBCol()
+	file.write("diffuseR=\"%1.4f\" diffuseG=\"%1.4f\" diffuseB=\"%1.4f\" " % (col[0], col[1], col[2]))
+	amb = mat.getAmb()
+	col[0] *= amb
+	col[1] *= amb
+	col[2] *= amb
+	file.write("ambientR=\"%1.4f\" ambientG=\"%1.4f\" ambientB=\"%1.4f\" " % (col[0], col[1], col[2]))
+	col = mat.getSpecCol()
+	file.write("specularR=\"%1.4f\" specularG=\"%1.4f\" specularB=\"%1.4f\" " % (col[0], col[1], col[2]))
+	file.write("shininess=\"%1.4f\"" % (mat.getSpec()))
+	file.write("/>\n")
+	
+def exportTexture(tex, file):
+	indent(file)
+	file.write("<Texture name=\"%s\" units=\"1\">\n" % tex.getName())
+	indent(file)
+	file.write("\t<Image filename=\"%s\"/>\n" % os.path.basename(tex.getFilename()))
+	indent(file)
+	file.write("</Texture>\n")
+
+def exportMesh(obj, file, loc, size, quat):
+	mesh = NMesh.GetRawFromObject(obj.getName())
+	
+	indent(file)
+	file.write("<Mesh name=\"%s\" numVertices=\"%d\" numFaces=\"%d\" " %(obj.getName(), len(mesh.verts), len(mesh.faces)))
+	file.write("x=\"%3.5f\" y=\"%3.5f\" z=\"%3.5f\" " %(loc[0], loc[2], -loc[1]))
+	file.write("sx=\"%3.5f\" sy=\"%3.5f\" sz=\"%3.5f\" " %(size[0], size[1], size[2]))
+	file.write("qw=\"%3.5f\" qx=\"%3.5f\" qy=\"%3.5f\" qz=\"%3.5f\"" %(quat[0], quat[1], quat[2], quat[3]))
+	file.write(">\n")
+	setIndent(1)
+	
+	for mat in mesh.materials:
+		exportMaterial(mat, file)
+	if len(mesh.materials) > 0:
+		file.write("\n")
+		
+	textures = []
+	if mesh.hasFaceUV():
+		for face in mesh.faces:
+			if not face.image:
+				continue;
+				
+			if textures.count(face.image) == 0:
+				textures.append(face.image)
+				
+	for tex in textures:
+		exportTexture(tex, file)
+	if len(textures) > 0:
+		file.write("\n")
+
+	for vert in mesh.verts:
+		indent(file)
+		file.write("<Vertex x=\"%3.5f\" y=\"%3.5f\" z=\"%3.5f\" " %(vert.co[0], vert.co[2], -vert.co[1]))
+		file.write("nx=\"%3.5f\" ny=\"%3.5f\" nz=\"%3.5f\"/>\n" %(vert.no[0], vert.no[2], -vert.no[1]))
+	
+	file.write("\n")
+	
+	for face in mesh.faces:
+		indent(file)
+		file.write("<Face smooth=\"%d\" " %face.smooth)
+		file.write("nx=\"%3.5f\" ny=\"%3.5f\" nz=\"%3.5f\" " %(face.normal[0], face.normal[2], -face.normal[1]))
+		
+		if face.image:
+			file.write("texture=\"%d\" " %(textures.index(face.image)))
+		else:
+			file.write("texture=\"-1\" ")
+		
+		mat = face.materialIndex
+		if mat >= len(mesh.materials):
+			mat = -1
+		
+		file.write("material=\"%d\">\n" %(mat))
+		
+		setIndent(1)
+		for i in range(3):
+			indent(file);
+			file.write("<Vertex index=\"%d\" " %face.v[i].index )
+			
+			if mesh.hasFaceUV() and face.image:
+				file.write("u=\"%1.3f\" v=\"%1.3f\"" %(face.uv[i][0], 1.0-face.uv[i][1]))
+			
+			file.write("/>\n")
+
+		setIndent(-1)
+		
+#		file.write(" vertex1=\"%d\" vertex2=\"%d\" vertex3=\"%d\"/>\n" %(face.v[0].index, face.v[1].index, face.v[2].index))
+		indent(file)
+		file.write("</Face>\n")
+	
+	Object.GetSelected().remove(obj)
+	for child in Object.GetSelected():
+		if child.parent == obj:
+			export(child, file)
+			Object.GetSelected().remove(child)
+	
+	setIndent(-1)
+	indent(file)
+	file.write("</Mesh>\n\n")
+
+def main():
+	selected = Object.GetSelected()
+	
+	if len(selected) == 0:
+		print "Nothing selected"
+		return
+	
+	for obj in selected:
+		if obj.getType() != "Mesh":
+			continue
+		
+		file = open("%s.xml" % (obj.getName()), "w")
+		file.write("<? xml version=\"1.0\" ?>\n")
+		export(obj, file)
+		file.close()
+	
+	
+main()