X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=blender%2Fio_mspgl%2Fexport_object.py;h=54bde96a5d29962f2ad9bac4279d0fe77d67a2ce;hb=f241ccca7d0d3f3073a948377bd557a70aa8f1d2;hp=1fccfb79d1cf26116e506d561d25040bd1da36a4;hpb=123985e47ac66903b94bd72c09d3d371f1aec61c;p=libs%2Fgl.git

diff --git a/blender/io_mspgl/export_object.py b/blender/io_mspgl/export_object.py
index 1fccfb79..54bde96a 100644
--- a/blender/io_mspgl/export_object.py
+++ b/blender/io_mspgl/export_object.py
@@ -1,55 +1,14 @@
 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 image_name(i):
-	fp = i.filepath
-	if fp:
-		return os.path.split(fp)[1]
-	else:
-		return i.name
-
-def external_name(out_file, ext, index):
-	path, base = os.path.split(out_file.filename)
-	base = os.path.splitext(base)[0]
-	if index>0:
-		base += "_lod{}".format(index)
-	return path, base+ext
-
-
 class ObjectExporter:
 	def __init__(self):
-		self.material_tex = False
-		self.srgb_colors = True
-		self.textures = "REF"
-		self.separate_mesh = False
-		self.shared_mesh = True
-		self.separate_tech = False
-		self.external_tech = True
-		self.shared_tech = True
-		self.export_lods = True
-
-	def export(self, context, out_file, objs=None, progress=None):
-		if objs is None:
-			obj = context.active_object
-		else:
-			obj = objs[0]
-
-		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 .outfile import open_output
-		out_file = open_output(out_file)
+		self.show_progress = True
+		self.export_all = False
+		self.collection = False
+		self.shared_resources = 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
@@ -60,179 +19,189 @@ class ObjectExporter:
 				center += d*(1-radius/d.length)/2
 				radius = (radius+d.length)/2
 
-		out_file.write("bounding_sphere_hint", center[0], center[1], center[2], radius)
+		return center, radius
 
-		prev_mesh = None
-		prev_tech = (None, None)
+	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:
-				out_file.begin("level_of_detail", i)
-				objs = [l]
-
-			same_mesh = (l.data.name==prev_mesh)
-			if i==0 or not same_mesh:
-				mesh = self.export_object_mesh(context, out_file, l, objs, progress)
-				prev_mesh = l.data.name
-
-			same_tech = True
-			mat = None
-			if l.material_slots and l.material_slots[0].material:
-				mat = l.material_slots[0].material.name
-				if mat!=prev_tech[1]:
-					same_tech = False
-			if self.external_tech and l.technique!=prev_tech[0]:
-				same_tech = False
-			if i==0 or not same_tech:
-				self.export_object_technique(l, mesh, out_file, i)
-				prev_tech = (l.technique, mat)
+			if i>0 and l.lod_index!=i:
+				raise Exception("Inconsistent LOD indices")
 
-			if i>0:
-				out_file.end()
+		return lods
 
-	def export_object_mesh(self, context, out_file, lod, objs, progress):
+	def create_mesh_exporter(self):
 		from .export_mesh import MeshExporter
 		mesh_export = MeshExporter()
-		for k, v in self.__dict__.items():
-			setattr(mesh_export, k, v)
-
-		lod_index = 0
-		if lod.lod_for_parent:
-			lod_index = lod.lod_index
-
-		if self.separate_mesh:
-			from .outfile import open_output
-			path, name = external_name(out_file, ".mesh", lod_index)
-			if self.shared_mesh:
-				name = lod.data.name+".mesh"
-			mesh_out = open_output(os.path.join(path, name))
-			mesh = mesh_export.export(context, mesh_out, objs, progress)
-			out_file.write("mesh", '"{}"'.format(name))
-		else:
-			out_file.begin("mesh")
-			mesh = mesh_export.export(context, out_file, objs, progress)
-			out_file.end()
+		return mesh_export
+
+	def create_material_exporter(self):
+		from .export_material import MaterialExporter
+		material_export = MaterialExporter()
+		return material_export
 
-		return mesh
+	def create_material_atlas_exporter(self):
+		from .export_material import MaterialAtlasExporter
+		material_atlas_export = MaterialAtlasExporter()
+		return material_atlas_export
 
-	def export_object_technique(self, obj, mesh, out_file, lod_index):
-		if self.srgb_colors:
-			self.colormap = linear_to_srgb
+	def export_to_file(self, context, out_fn):
+		if self.export_all:
+			objs = [o for o in context.selected_objects if o.type=="MESH"]
 		else:
-			self.colormap = lambda x: x
-
-		material = None
-		if obj.material_slots:
-			material = obj.material_slots[0].material
-
-		from .outfile import open_output
-		path, name = external_name(out_file, ".tech", lod_index)
-
-		if self.external_tech and obj.technique:
-			if obj.inherit_tech and material and (obj.override_material or material.texture_slots):
-				out_file.begin("technique")
-				out_file.begin("inherit", '"{}"'.format(obj.technique))
-				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:
-							out_file.write("texture", '"diffuse_map"', '"{}"'.format(name))
-						elif slot.use_map_normal:
-							out_file.write("texture", '"normal_map"', '"{}"'.format(name))
-				if obj.override_material:
-					mat_name = material.name+".mat"
-					mat_out = open_output(os.path.join(path, mat_name))
-					self.export_material(material, mat_out)
-					out_file.write("material", '""', '"{}"'.format(mat_name))
-				out_file.end()
-				out_file.end()
+			objs = [context.active_object]
+
+		from .util import Progress
+		progress = Progress(self.show_progress and context)
+
+		path, base = os.path.split(out_fn)
+		base, ext = os.path.splitext(base)
+
+		resources = {}
+		for i, obj in enumerate(objs):
+			if self.export_all:
+				out_fn = os.path.join(path, obj.name+ext)
+
+			progress.push_task_slice(obj.name, i, len(objs))
+			self.export_object_resources(context, obj, resources, None, progress)
+
+			obj_res = self.export_object(context, obj, resources, progress)
+			refs = obj_res.collect_references()
+			if not self.shared_resources:
+				numbers = {}
+				for r in refs:
+					res_ext = os.path.splitext(r.name)[1]
+					n = numbers.get(res_ext, 0)
+					if n>0:
+						r.name = "{}_{}{}".format(base, n, res_ext)
+					else:
+						r.name = base+res_ext
+					numbers[res_ext] = n+1
+
+			if self.collection:
+				obj_res.write_collection(out_fn)
 			else:
-				out_file.write("technique", '"{}"'.format(obj.technique))
-		elif self.separate_tech:
-			if self.shared_tech and material:
-				name = material.name+".tech"
-			tech_out = open_output(os.path.join(path, name))
-			self.export_technique_definition(material, mesh, tech_out)
-			out_file.write("technique", '"{}"'.format(name))
-		else:
-			out_file.begin("technique")
-			self.export_technique_definition(material, mesh, out_file)
-			out_file.end()
-
-	def export_technique_definition(self, material, mesh, out_file):
-		out_file.begin("pass", '""')
-		if material:
-			cm = self.colormap
-
-			if self.material_tex:
-				out_file.begin("material")
-				out_file.write("diffuse", 1.0, 1.0, 1.0, 1.0)
-				out_file.end()
-				index = 0
-				for u in mesh.uv_layers:
-					if u.name=="material_tex":
-						index = u.unit
-				out_file.begin("texunit", index)
-				out_file.begin("texture2d")
-				out_file.write("min_filter", "NEAREST")
-				out_file.write("mag_filter", "NEAREST")
-				out_file.write("storage", "RGB", len(mesh.materials), 1)
-				texdata = '"'
-				for m in mesh.materials:
-					color = [int(cm(c)*255) for c in m.diffuse_color*mat.diffuse_intensity]
-					texdata += "\\x%02X\\x%02X\\x%02X"%tuple(color)
-				texdata += '"'
-				out_file.write("raw_data", texdata)
-				out_file.end()
-				out_file.end()
+				for r in refs:
+					r.write_to_file(os.path.join(path, r.name))
+				obj_res.write_to_file(out_fn)
+
+			progress.pop_task()
+
+	def export_object_resources(self, context, obj, resources, material_atlases, progress):
+		if material_atlases is None:
+			material_atlases = {}
+
+		lods = self.collect_object_lods(obj)
+
+		from .mesh import create_mesh_from_object
+		from .material import create_material_atlas
+		mesh_export = self.create_mesh_exporter()
+		material_export = self.create_material_exporter()
+		material_atlas_export = self.create_material_atlas_exporter()
+
+		for i, l in enumerate(lods):
+			lod_index = l.lod_index if l.lod_for_parent else 0
+			progress.push_task_slice("LOD {}".format(lod_index), i, len(lods))
+
+			material_atlas = None
+			atlas_flags = [m.render_mode!='EXTERNAL' and m.material_atlas for m in l.data.materials if m]
+			if any(atlas_flags):
+				mmk = lambda m: m.shader if m.render_mode=='CUSTOM' else ""
+				material_atlas_key = mmk(l.data.materials[0])
+				key_mismatch = any(mmk(m)!=material_atlas_key for m in l.data.materials)
+				if not all(atlas_flags) or key_mismatch:
+					raise Exception("Conflicting settings in object materials")
+
+				if material_atlas_key in material_atlases:
+					material_atlas = material_atlases[material_atlas_key]
+				else:
+					material_atlas = create_material_atlas(context, l.data.materials[0])
+					material_atlases[material_atlas_key] = material_atlas
+
+				tech_name = "{}.tech".format(material_atlas.name)
+				if tech_name not in resources:
+					material_atlas_export.export_technique_resources(material_atlas, resources)
+					resources[tech_name] = material_atlas_export.export_technique(material_atlas, resources)
+			elif l.material_slots and l.material_slots[0].material:
+				material = l.material_slots[0].material
+				if material.render_mode!='EXTERNAL':
+					tech_name = material.name+".tech"
+					if tech_name not in resources:
+						material_export.export_technique_resources(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:
+				mesh = create_mesh_from_object(context, l, material_atlas, progress)
+				mesh_res = mesh_export.export_mesh(context, mesh, progress)
+				resources[mesh_name] = mesh_res
+
+			progress.pop_task()
+
+	def export_object(self, context, obj, resources, progress):
+		if resources is None:
+			resources = {}
+			self.export_object_resources(context, obj, resources, None, progress)
+
+		lods = self.collect_object_lods(obj)
+
+		from .datafile import Resource, Statement
+		obj_res = Resource(obj.name+".object", "object")
+		statements = obj_res.statements
+
+		center, radius = self.compute_bounding_sphere(obj)
+		statements.append(Statement("bounding_sphere_hint", *center, radius))
+
+		prev_mesh = None
+		prev_tech = None
+		for i, l in enumerate(lods):
+			lod_st = []
+
+			if l.data.name!=prev_mesh:
+				mesh_res = resources[l.data.name+".mesh"]
+				lod_st.append(obj_res.create_reference_statement("mesh", mesh_res))
+
+				prev_mesh = l.data.name
+
+			material = None
+			if l.material_slots:
+				material = l.material_slots[0].material
+			if material:
+				if material.render_mode=='EXTERNAL':
+					tech_name = material.technique
+				elif material.material_atlas:
+					tech_name = "material_atlas_{}.tech".format(os.path.splitext(material.technique)[0])
+				else:
+					tech_name = material.name+".tech"
 			else:
-				out_file.begin("material")
-				self.export_material(material, out_file)
-				out_file.end()
-
-			if self.textures!="NONE":
-				for slot in material.texture_slots:
-					if not slot:
-						continue
-
-					tex = slot.texture
-					if tex.type!="IMAGE":
-						continue
-
-					if slot.uv_layer:
-						for u in mesh.uv_layers:
-							if u.name==slot.uv_layer:
-								index = u.unit
-					else:
-						index = mesh.uv_layers[0].unit
-
-					out_file.begin("texunit", index)
-					if self.textures=="INLINE":
-						out_file.begin("texture2d")
-						out_file.write("min_filter", "LINEAR")
-						out_file.write("storage", "RGBA", tex.image.size[0], tex.image.size[1])
-						texdata = '"'
-						for p in tex.image.pixels:
-							texdata += "\\x%02X"%int(p*255)
-						texdata += '"'
-						out_file.write("raw_data", texdata)
-						out_file.end()
-					else:
-						out_file.write("texture", '"%s"'%image_name(tex.image))
-					out_file.end()
+				tech_name = "stub.tech"
 
-		out_file.end()
+			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
 
-	def export_material(self, mat, out_file):
-		cm = self.colormap
-		if any((s and s.use_map_color_diffuse) for s in mat.texture_slots):
-			out_file.write("diffuse", 1.0, 1.0, 1.0, 1.0)
-			amb = cm(mat.ambient)
-			out_file.write("ambient", amb, amb, amb, 1.0)
-		else:
-			diff = mat.diffuse_color*mat.diffuse_intensity
-			out_file.write("diffuse", cm(diff.r), cm(diff.g), cm(diff.b), 1.0)
-			amb = diff*mat.ambient
-			out_file.write("ambient", cm(amb.r), cm(amb.g), cm(amb.b), 1.0)
-		spec = mat.specular_color*mat.specular_intensity
-		out_file.write("specular", spec.r, spec.g, spec.b, 1.0)
-		out_file.write("shininess", mat.specular_hardness);
+			if i>0:
+				st = Statement("level_of_detail", i)
+				st.sub = lod_st
+				statements.append(st)
+			else:
+				statements += lod_st
+
+		progress.set_progress(1.0)
+
+		return obj_res
+
+	def export_stub_technique(self):
+		from .datafile import Resource, Statement
+		tech_res = Resource("stub.tech", "technique")
+		pass_st = Statement("pass", "")
+		tech_res.statements.append(pass_st)
+		mat_st = Statement("material")
+		pass_st.sub.append(mat_st)
+		mat_st.sub.append(Statement("basic"))
+		return tech_res