X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=blender%2Fio_mspgl%2Fexport_object.py;h=989d675837485f121459d9bd130f3f4e6035e320;hb=f2d504006ec97c7d84e8059c48f5a37e005ece5f;hp=4bc6f450b330a3ca17159ddea6fa9a2ba1ab836e;hpb=6ee541fd39de1e1368134cb8a98a14f2f5ddd767;p=libs%2Fgl.git

diff --git a/blender/io_mspgl/export_object.py b/blender/io_mspgl/export_object.py
index 4bc6f450..989d6758 100644
--- a/blender/io_mspgl/export_object.py
+++ b/blender/io_mspgl/export_object.py
@@ -1,195 +1,91 @@
 import os
-import mathutils
-
-def linear_to_srgb(l):
-	if l<0.0031308:
-		return 12.92*l
-	else:
-		return 1.055*(l**(1/2.4))-0.055
-
-def get_colormap(srgb):
-	if srgb:
-		return linear_to_srgb
-	else:
-		return lambda x: x
-
-def image_name(i):
-	fp = i.filepath
-	if fp:
-		return os.path.split(fp)[1]
-	else:
-		return i.name
-
 
 class ObjectExporter:
-	def __init__(self):
-		self.show_progress = True
-		self.use_strips = True
-		self.use_degen_tris = False
-		self.textures = "REF"
-		self.separate_mesh = False
-		self.separate_tech = False
-		self.shared_resources = True
-		self.export_lods = True
-
-	def compute_bounding_sphere(self, obj):
-		p1 = max(((v.co, v.co.length) for v in obj.data.vertices), key=lambda x:x[1])[0]
-		p2 = max(((v.co, (v.co-p1).length) for v in obj.data.vertices), key=lambda x:x[1])[0]
-		center = (p1+p2)/2
-		radius = (p1-p2).length/2
-		for v in obj.data.vertices:
-			d = v.co-center
-			if d.length>radius:
-				center += d*(1-radius/d.length)/2
-				radius = (radius+d.length)/2
+	def collect_object_lods(self, obj):
+		lods = [obj]
+		lods += sorted([c for c in obj.children if c.lod_for_parent], key=(lambda l: l.lod_index))
+		for i, l in enumerate(lods):
+			if i>0 and l.lod_index!=i:
+				raise Exception("Invalid configuration on object {}: Inconsistent LOD indices".format(obj.name))
 
-		return center, radius
+		return lods
 
-	def make_external_name(self, base_name, resource_name, ext, index):
-		if self.shared_resources:
-			return resource_name+ext
-		elif lod_index>0:
-			return "{}_lod{}{}".format(base_name, lod_index, ext)
-		else:
-			return base_name+ext
+	def export_object_resources(self, ctx, obj, resources):
+		lods = self.collect_object_lods(obj)
 
-	def create_mesh_exporter(self):
 		from .export_mesh import MeshExporter
-		mesh_export = MeshExporter()
-		mesh_export.use_strips = self.use_strips
-		mesh_export.use_degen_tris = self.use_degen_tris
-		return mesh_export
-
-	def export_to_file(self, context, out_fn):
-		obj = context.active_object
-
-		from .util import Progress
-		progress = Progress(self.show_progress and context)
-
-		path, base = os.path.split(out_fn)
-		base = os.path.splitext(base)[0]
-
-		meshes = self.export_object_meshes(context, obj, progress, base_name=base)
-		if self.separate_mesh:
-			for name, st in meshes.items():
-				with open(os.path.join(path, name), "w") as out_file:
-					for s in st:
-						s.write_to_file(out_file)
-
-		if self.separate_tech:
-			lods = [obj]
-			if self.export_lods:
-				lods += [c for c in obj.children if c.lod_for_parent]
-
-			for l in lods:
-				lod_index = l.lod_index if l.lod_for_parent else 0
-
-				material = None
-				if obj.material_slots:
-					material = obj.material_slots[0].material
-
-				if not l.technique:
-					tech_name = self.make_external_name(base, material.name, ".tech", lod_index)
-					st = self.export_object_technique(l, base_name=base)
-					with open(os.path.join(path, tech_name), "w") as out_file:
-						for s in st:
-							s.write_to_file(out_file)
-				elif material and l.override_material:
-					mat_name = self.make_external_name(base, material.name, ".mat", lod_index)
-					st = self.export_material(material)
-					with open(os.path.join(path, mat_name), "w") as out_file:
-						for s in st:
-							s.write_to_file(out_file)
-
-		statements = self.export_object(context, obj, progress, meshes=meshes, base_name=base)
-
-		with open(out_fn, "w") as out_file:
-			for s in statements:
-				s.write_to_file(out_file)
-
-	def export_object_meshes(self, context, obj, progress, *, base_name=None):
-		if base_name is None:
-			base_name = obj.name
-
-		lods = [obj]
-		if self.export_lods:
-			lods += [c for c in obj.children if c.lod_for_parent]
-
+		from .export_material import MaterialExporter
 		from .mesh import create_mesh_from_object
-		mesh_export = self.create_mesh_exporter()
-		meshes = {}
+		from .material import Material
+		mesh_export = MeshExporter()
+		material_export = MaterialExporter()
 
-		for i, l in enumerate(lods):
+		ctx.set_slices(len(lods))
+		for l in lods:
 			lod_index = l.lod_index if l.lod_for_parent else 0
-			progress.push_task_slice("LOD {}".format(lod_index), i, len(lods))
-
-			mesh_name = self.make_external_name(base_name, l.data.name, ".mesh", lod_index)
-			if mesh_name not in meshes:
-				mesh = create_mesh_from_object(context, l, progress)
-				meshes[mesh_name] = mesh_export.export_mesh(context, mesh, progress)
-
-			progress.pop_task()
-
-		return meshes
+			task = ctx.next_slice("LOD {}".format(lod_index))
 
-	def export_object(self, context, obj, progress, *, meshes=None, base_name=None):
-		if base_name is None:
-			base_name = obj.name
-
-		if meshes is None:
-			meshes = self.export_object_meshes(context, obj, progress, base_name=base_name)
-
-		lods = [obj]
-		for c in obj.children:
-			if c.lod_for_parent:
-				if c.lod_index>=len(lods):
-					lods += [None]*(c.lod_index+1-len(lods))
-				lods[c.lod_index] = c
-
-		from .datafile import Statement
-		statements = []
-
-		center, radius = self.compute_bounding_sphere(obj)
+			if l.material_slots and l.material_slots[0].material:
+				material = l.material_slots[0].material
+				subtask = task.task(material, 0.1)
+				if material.render_mode!='EXTERNAL':
+					tech_name = material.name+".tech"
+					if tech_name not in resources:
+						material = Material(material)
+						material_export.export_technique_resources(subtask, material, resources)
+						resources[tech_name] = material_export.export_technique(material, resources)
+			elif "stub.tech" not in resources:
+				resources["stub.tech"] = self.export_stub_technique()
+
+			mesh_name = l.data.name+".mesh"
+			if mesh_name not in resources:
+				subtask = task.task(l.data, 1.0)
+				mesh = create_mesh_from_object(subtask, l)
+				mesh_res = mesh_export.export_mesh(subtask, mesh)
+				resources[mesh_name] = mesh_res
+
+	def export_object(self, obj, resources):
+		if obj.type!='MESH':
+			raise ValueError("Object {} is not a mesh".format(obj.name))
+
+		lods = self.collect_object_lods(obj)
+
+		from .datafile import Resource, Statement
+		obj_res = Resource(obj.name+".object", "object")
+		statements = obj_res.statements
+
+		from .util import compute_bounding_sphere
+		center, radius = compute_bounding_sphere([v.co for v in obj.data.vertices])
 		statements.append(Statement("bounding_sphere_hint", *center, radius))
 
 		prev_mesh = None
-		prev_tech = (None, None)
+		prev_tech = None
 		for i, l in enumerate(lods):
 			lod_st = []
 
 			if l.data.name!=prev_mesh:
-				mesh_name = self.make_external_name(base_name, l.data.name, ".mesh", i)
-				if self.separate_mesh:
-					lod_st.append(Statement("mesh", mesh_name))
-				else:
-					st = Statement("mesh")
-					st.sub = meshes[mesh_name]
-					lod_st.append(st)
+				mesh_res = resources[l.data.name+".mesh"]
+				lod_st.append(obj_res.create_reference_statement("mesh", mesh_res))
 
 				prev_mesh = l.data.name
 
-			mat_name = None
-			if l.material_slots and l.material_slots[0].material:
-				mat_name = l.material_slots[0].material.name
-
-			tech = (l.technique, mat_name)
-			if tech!=prev_tech:
-				tech_name = self.make_external_name(base_name, mat_name or l.name, ".tech", i)
-				if l.technique:
-					if l.inherit_tech:
-						st = Statement("technique")
-						st.sub = self.export_object_technique(l, base_name=base_name)
-						lod_st.append(st)
-					else:
-						lod_st.append(Statement("technique", l.technique))
-				elif self.separate_tech:
-					lod_st.append(Statement("technique", tech_name))
+			material = None
+			if l.material_slots:
+				material = l.material_slots[0].material
+			if material:
+				if material.render_mode=='EXTERNAL':
+					tech_name = material.technique
 				else:
-					st = Statement("technique")
-					st.sub = self.export_object_technique(l, base_name=base_name)
-					lod_st.append(st)
+					tech_name = material.name+".tech"
+			else:
+				tech_name = "stub.tech"
 
-				prev_tech = tech
+			if tech_name!=prev_tech:
+				if material and material.render_mode=='EXTERNAL':
+					lod_st.append(Statement("technique", material.technique))
+				else:
+					lod_st.append(obj_res.create_reference_statement("technique", resources[tech_name]))
+				prev_tech = tech_name
 
 			if i>0:
 				st = Statement("level_of_detail", i)
@@ -198,88 +94,14 @@ class ObjectExporter:
 			else:
 				statements += lod_st
 
-		progress.set_progress(1.0)
-
-		return statements
-
-	def export_object_technique(self, obj, *, base_name=None):
-		if base_name is None:
-			base_name = obj.name
-
-		material = None
-		if obj.material_slots:
-			material = obj.material_slots[0].material
-
-		from .datafile import Statement, Token
-		statements = []
-
-		if obj.technique:
-			if not obj.inherit_tech:
-				return []
-
-			st = Statement("inherit", obj.technique)
-			if material:
-				for slot in material.texture_slots:
-					if slot and slot.texture.type=="IMAGE":
-						name = image_name(slot.texture.image)
-						if slot.use_map_color_diffuse:
-							st.sub.append(Statement("texture", "diffuse_map", name))
-						elif slot.use_map_normal:
-							st.sub.append(Statement("texture", "normal_map", name))
-				if obj.override_material:
-					mat_name = self.make_external_name(base_name, material.name, ".mat", obj.lod_index)
-					st.sub.append(Statement("material", "surface", mat_name))
-			statements.append(st)
-
-			return statements
-
-		pass_st = Statement("pass", "")
-		if material:
-			st = Statement("material")
-			st.sub = self.export_material(material)
-			pass_st.sub.append(st)
-
-			if self.textures!="NONE":
-				diffuse_tex = None
-				for slot in material.texture_slots:
-					if slot and slot.texture.type=="IMAGE" and slot.use_map_color_diffuse:
-						diffuse_tex = slot.texture
-						break
-
-				if diffuse_tex:
-					st = Statement("texunit", 0)
-					if self.textures=="INLINE":
-						ss = Statement("texture2d")
-						ss.sub.append(Statement("min_filter", Token("LINEAR")))
-						ss.sub.append(Statement("storage", Token("RGBA"), tex.image.size[0], tex.image.size[1]))
-						texdata = ""
-						for p in tex.image.pixels:
-							texdata += "\\x%02X"%int(p*255)
-						ss.sub.append(Statement("raw_data", texdata))
-						st.sub.append(ss)
-					elif tex.image:
-						st.sub.append(Statement("texture", image_name(tex.image)))
-					pass_st.sub.append(st)
-		statements.append(pass_st)
-
-		return statements
-
-	def export_material(self, material):
-		from .datafile import Statement
-		statements = []
-
-		cm = get_colormap(material.srgb_colors)
-		if any(s.use_map_color_diffuse for s in material.texture_slots if s):
-			statements.append(Statement("diffuse", 1.0, 1.0, 1.0, 1.0))
-			amb = cm(material.ambient)
-			statements.append(Statement("ambient", amb, amb, amb, 1.0))
-		else:
-			diff = material.diffuse_color*material.diffuse_intensity
-			statements.append(Statement("diffuse", cm(diff.r), cm(diff.g), cm(diff.b), 1.0))
-			amb = diff*material.ambient
-			statements.append(Statement("ambient", cm(amb.r), cm(amb.g), cm(amb.b), 1.0))
-		spec = material.specular_color*material.specular_intensity
-		statements.append(Statement("specular", cm(spec.r), cm(spec.g), cm(spec.g), 1.0))
-		statements.append(Statement("shininess", material.specular_hardness))
-
-		return statements
+		return obj_res
+
+	def export_stub_technique(self):
+		from .datafile import Resource, Statement, Token
+		tech_res = Resource("stub.tech", "technique")
+		pass_st = Statement("method", "")
+		tech_res.statements.append(pass_st)
+		mat_st = Statement("material")
+		pass_st.sub.append(mat_st)
+		mat_st.sub.append(Statement("type", Token("basic")))
+		return tech_res