[DEV] set some updates

.classpath

@@ -22,17 +22,7 @@
 			<attribute name="test" value="true"/>
 		</attributes>
 	</classpathentry>
-	<classpathentry combineaccessrules="false" exported="true" kind="src" path="/atriasoft-ephysics">
+	<classpathentry combineaccessrules="false" exported="true" kind="src" path="/atriasoft-ewol">
-		<attributes>
-			<attribute name="module" value="true"/>
-		</attributes>
-	</classpathentry>
-	<classpathentry combineaccessrules="false" exported="true" kind="src" path="/scenarium-logger">
-		<attributes>
-			<attribute name="module" value="true"/>
-		</attributes>
-	</classpathentry>
-	<classpathentry combineaccessrules="false" exported="true" kind="src" path="/atriasoft-etk">
 		<attributes>
 			<attribute name="module" value="true"/>
 		</attributes>
@@ -42,7 +32,22 @@
 			<attribute name="module" value="true"/>
 		</attributes>
 	</classpathentry>
-	<classpathentry combineaccessrules="false" exported="true" kind="src" path="/atriasoft-ewol">
+	<classpathentry combineaccessrules="false" exported="true" kind="src" path="/atriasoft-etk">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry combineaccessrules="false" exported="true" kind="src" path="/scenarium-logger">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry combineaccessrules="false" exported="true" kind="src" path="/atriasoft-ephysics">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry combineaccessrules="false" kind="src" path="/loader3d">
 		<attributes>
 			<attribute name="module" value="true"/>
 		</attributes>

blender/io_scene_emf/__init__.py

@@ -0,0 +1,164 @@
+# add this folder in ~/.config/blender/2.66/scripts/addons
+
+
+bl_info = {
+    "name": "EGE Mesh file format emf",
+    "author": "Edouard DUPIN",
+    "blender": (2, 80, 0),
+    "location": "File > Import-Export",
+    "description": "Import-Export emf, Import EMF mesh, UV's, materials and textures",
+    "category": "Import-Export"}
+
+if "bpy" in locals():
+    import imp
+    if "import_emf" in locals():
+        imp.reload(import_emf)
+    if "export_emf" in locals():
+        imp.reload(export_emf)
+
+
+import bpy
+from bpy.props import (
+        BoolProperty,
+        FloatProperty,
+        StringProperty,
+        EnumProperty,
+        )
+from bpy_extras.io_utils import (
+        ImportHelper,
+        ExportHelper,
+        orientation_helper,
+        path_reference_mode,
+        axis_conversion,
+        )
+
+
+class ImportEMF(bpy.types.Operator, ImportHelper):
+    """Load a Wavefront EMF File"""
+    bl_idname = "import_scene.emf"
+    bl_label = "Import EMF"
+    bl_options = {'PRESET', 'UNDO'}
+
+    filename_ext = ".emf"
+    filter_glob = StringProperty(
+            default="*.emf",
+            options={'HIDDEN'},
+            )
+
+    def execute(self, context):
+        # print("Selected: " + context.active_object.name)
+        from . import import_obj
+
+        keywords = self.as_keywords(ignore=("filter_glob",
+                                            "split_mode",
+                                            ))
+
+        return import_obj.load(self, context, **keywords)
+
+    def draw(self, context):
+        layout = self.layout
+
+        row = layout.row(align=True)
+
+        row = layout.split(percentage=0.67)
+        row.prop(self, "global_clamp_size")
+
+        layout.prop(self, "use_image_search")
+
+
+#@orientation_helper(axis_forward='-Z', axis_up='Y')
+class ExportEMF(bpy.types.Operator, ExportHelper):
+	"""Save a Wavefront EMF File"""
+	
+	bl_idname = "export_scene.emf"
+	bl_label = 'Export EMF'
+	bl_options = {'PRESET'}
+	
+	filename_ext = ".emf"
+	filter_glob = StringProperty(
+	    default="*.emf",
+	    options={'HIDDEN'},
+	    )
+	
+	# context group
+	use_selection = BoolProperty(
+	    name="Selection Only",
+	    description="Export selected objects only",
+	    default=True,
+	    )
+	# generate binary file
+	use_binary = BoolProperty(
+	    name="Binary",
+	    description="Export the file in binary mode",
+	    default=False,
+	    )
+	
+	global_scale = FloatProperty(
+	    name="Scale",
+	    description="Scale all data",
+	    min=0.01, max=1000.0,
+	    soft_min=0.01,
+	    soft_max=1000.0,
+	    default=1.0,
+	    )
+	
+	collision_object_name = StringProperty(
+	    name="Collision root name (strat with)",
+	    description="The top-level name that will contain the physics shapes",
+	    default="phys"
+	    )
+	
+	path_mode = path_reference_mode
+	
+	check_extension = True
+	
+	def execute(self, context):
+		from . import export_emf
+		
+		from mathutils import Matrix
+		keywords = self.as_keywords(ignore=("global_scale",
+		                                    "check_existing",
+		                                    "filter_glob",
+		                                    ))
+		
+		global_matrix = Matrix()
+		
+		global_matrix[0][0] = \
+		global_matrix[1][1] = \
+		global_matrix[2][2] = self.global_scale
+		
+		return export_emf.save(self, context, **keywords)
+
+
+def menu_func_import(self, context):
+	self.layout.operator(ImportEMF.bl_idname, text="Ewol mesh file (.emf)")
+
+
+def menu_func_export(self, context):
+	self.layout.operator(ExportEMF.bl_idname, text="Ewol mesh File (.emf)")
+
+
+classes = (
+    ImportEMF,
+    ExportEMF,
+)
+
+
+def register():
+    for cls in classes:
+        bpy.utils.register_class(cls)
+
+    bpy.types.TOPBAR_MT_file_import.append(menu_func_import)
+    bpy.types.TOPBAR_MT_file_export.append(menu_func_export)
+
+
+def unregister():
+    bpy.types.TOPBAR_MT_file_import.remove(menu_func_import)
+    bpy.types.TOPBAR_MT_file_export.remove(menu_func_export)
+
+    for cls in classes:
+        bpy.utils.unregister_class(cls)
+
+
+if __name__ == "__main__":
+    register()

blender/io_scene_emf/export_emf.py

@@ -0,0 +1,687 @@
+
+import os
+import time
+
+import bpy
+import mathutils
+import bpy_extras.io_utils
+
+EXPORT_COLLISION_NAME = ""
+
+#blender myscene.blend --background --python myscript.py
+
+def getChildren(obj):
+	children = []
+	for ob in bpy.data.objects:
+		if ob.parent == obj:
+			children.append(ob)
+	return children
+
+
+import bpy
+from bpy.props import *
+import mathutils, math, struct
+from mathutils import *
+import os
+from os import remove
+import time
+import bpy_extras
+from bpy_extras.io_utils import ExportHelper 
+import time
+import shutil
+
+"""
+Usage Notes:
+To create a compound physics collision shape for a mesh in blender:
+
+1. place the 3D cursor at the origin of the mesh object.
+2. Add > Empty, name it "physics"
+3. Create a physics shape with Add > Mesh > Cube, UV Sphere, Cylinder, Cone or create an arbitrary mesh for a ConvexHull shape.
+4. Parent the new shape to the "physics" Empty.
+5. The mesh name must start with: Box, Sphere, Cylinder, Cone, Capsule, or ConvexHull, depending on the shape you want.
+6. Position and scale the shape object, but do not modify the internal vertices, unless it is a ConvexHull type.
+7. Repeat step 3-6 until your shape is complete. Shapes can only be a 1-level deep hierarchy.
+8. IMPORTANT: Select the empty object you named "physics"
+9. Click File > Export > Physics Shapes (.yaml)
+"""
+
+"""
+	use_y_up = BoolProperty(name="Convert To Y-Up",
+							description="Converts the values to a Y-Axis Up coordinate system",
+							default=True)
+"""
+
+def out_point3( v ):
+	return "%g %g %g" % ( v.x, v.y, v.z )
+def out_scale3( s ):
+	return "%g %g %g" % ( s.x, s.y, s.z )
+def out_quaternion( q ):
+	return "%g %g %g %g" % ( q.x, q.y, q.z, q.w )
+
+
+def get_physics_shape(obj, mainObjScale):
+	shape = ""
+	props = { }
+	name = obj.name.lower()
+	scale = Vector(( abs(obj.scale.x), abs(obj.scale.y), abs(obj.scale.z) ))
+	
+	# BOX
+	if    name.startswith('box') \
+	   or name.startswith('cube'):
+		shape = "Box"
+		props["half-extents"] = out_scale3( scale )
+	# SPHERE
+	elif name.startswith('sph'):
+		shape = "Sphere"
+		props["radius"] = obj.scale.x * mainObjScale.x
+	# CONE
+	elif name.startswith('cone'):
+		shape = "Cone"
+		props["radius"] = (obj.scale.x + obj.scale.y)*0.5
+		props["size"] = obj.scale.z * 2.0
+	# CYLINDER
+	elif name.startswith('cyl'):
+		shape = "Cylinder"
+		props["radius"] = (obj.scale.x + obj.scale.y)*0.5
+		props["size"] = obj.scale.z * 2.0
+	# CAPSULE
+	elif name.startswith('cap'):
+		shape = "Capsule"
+		props["radius"] = (obj.scale.x + obj.scale.y)*0.5
+		props["size"] = obj.scale.z * 2.0
+	# CONVEX-HULL
+	elif name.startswith('convex'):
+		shape = "ConvexHull"
+		mesh = obj.to_mesh()
+		props["points"] = ""
+		for v in mesh.vertices:
+			props["points"] += "" + out_point3( v.co ) + "|"
+		props["points"] = props["points"].rstrip("|")
+		if scale != Vector((1,1,1)):
+			props["scale"] = out_scale3( scale )
+		# remove mesh
+	
+	print("            shape type: '" + str(shape) + "' from element name:'" + str(obj.name) + "'")
+	
+	if obj.matrix_world.to_translation() != Vector((0,0,0)):
+		props["origin"] = out_point3(obj.matrix_world.to_translation())
+	
+	qrot = obj.matrix_world.to_quaternion()
+	if qrot != Quaternion((1,0,0,0)):
+		props["rotate"] = out_quaternion(qrot)
+	props["mass"] = obj.scale.x * obj.scale.y * obj.scale.z * 100.0
+	if props["mass"] < 0.01:
+		props["mass"] = 0.01
+	
+	return (shape, props)
+
+
+def write_collision_shape(object, file, mainObjScale, offset):
+	if len(getChildren(object))==0:
+		# no phisical shape ...
+		return
+	string_offset = ""
+	for iii in range(offset):
+		string_offset += "\t"
+	file.write(string_offset + 'Physics:\n')
+	for subObj in getChildren(object):
+		print("        element='" + subObj.name + "' type '" + str(subObj.type) + "'")
+		if     subObj.type != 'MESH' \
+		   and subObj.type != 'EMPTY':
+			continue
+		(shape, props) = get_physics_shape(subObj, mainObjScale)
+		if shape=="":
+			print("error of shape detection type ...");
+			continue
+		file.write(string_offset + "\t" + shape + "\n" )
+		for (k,v) in props.items():
+			file.write(string_offset + "\t\t%s:%s\n" % (k, v) )
+
+
+
+def name_compat(name):
+	if name is None:
+		return 'None'
+	else:
+		return name.replace(' ', '_')
+
+
+def mesh_triangulate(me):
+	import bmesh
+	bm = bmesh.new()
+	bm.from_mesh(me)
+	bmesh.ops.triangulate(bm, faces=bm.faces)#, use_beauty=False)
+	bm.to_mesh(me)
+	bm.free()
+
+
+def write_mtl(scene, file, filepath, path_mode, copy_set, mtl_dict):
+	from mathutils import Color
+	world = scene.world
+	#if world and world.ambient_color:
+	#	world_amb = world.ambient_color
+	#else:
+	world_amb = Color((0.0, 0.0, 0.0))
+	source_dir = os.path.dirname(bpy.data.filepath)
+	dest_dir = os.path.dirname(filepath)
+	file.write('\n')
+	#file.write('\nMaterials:%i\n' % len(mtl_dict))
+	mtl_dict_values = list(mtl_dict.values())
+	mtl_dict_values.sort(key=lambda m: m[0])
+	# Write material/image combinations we have used.
+	# Using mtl_dict.values() directly gives un-predictable order.
+	for mtl_mat_name, mat, face_img in mtl_dict_values:
+		# Get the Blender data for the material and the image.
+		# Having an image named None will make a bug, dont do it:)
+		file.write('Materials:%s\n' % mtl_mat_name)  # Define a new material: matname_imgname
+		if mat:
+			# convert from blenders spec to 0 - 1000 range.
+			if mat.specular_shader == 'WARDISO':
+				tspec = (0.4 - mat.specular_slope) / 0.0004
+			else:
+				tspec = (mat.specular_hardness - 1) * 1.9607843137254901
+			file.write('\tNs %.6f\n' % tspec)
+			del tspec
+			file.write('\tKa %.6f %.6f %.6f\n' % (mat.ambient * world_amb)[:])  # Ambient, uses mirror color,
+			file.write('\tKd %.6f %.6f %.6f\n' % (mat.diffuse_intensity * mat.diffuse_color)[:])  # Diffuse
+			file.write('\tKs %.6f %.6f %.6f\n' % (mat.specular_intensity * mat.specular_color)[:])  # Specular
+			if hasattr(mat, "ior"):
+				file.write('\tNi %.6f\n' % mat.ior)  # Refraction index
+			else:
+				file.write('\tNi %.6f\n' % 1.0)
+			file.write('\td %.6f\n' % mat.alpha)  # Alpha (obj uses 'd' for dissolve)
+			# 0 to disable lighting, 1 for ambient & diffuse only (specular color set to black), 2 for full lighting.
+			if mat.use_shadeless:
+				file.write('\tillum 0\n')  # ignore lighting
+			elif mat.specular_intensity == 0:
+				file.write('\tillum 1\n')  # no specular.
+			else:
+				file.write('\tillum 2\n')  # light normaly
+		else:
+			#write a dummy material here?
+			file.write('\tNs 0\n')
+			file.write('\tKa %.6f %.6f %.6f\n' % world_amb[:])  # Ambient, uses mirror color,
+			file.write('\tKd 0.8 0.8 0.8\n')
+			file.write('\tKs 0.8 0.8 0.8\n')
+			file.write('\td 1\n')  # No alpha
+			file.write('\tillum 2\n')  # light normaly
+		# Write images!
+		if face_img:  # We have an image on the face!
+			filepath = face_img.filepath
+			if filepath:  # may be '' for generated images
+				# write relative image path
+				filepath = bpy_extras.io_utils.path_reference(filepath,
+				                                              source_dir,
+				                                              dest_dir,
+				                                              path_mode,
+				                                              "",
+				                                              copy_set,
+				                                              face_img.library)
+				file.write('\tmap_Kd %s\n' % filepath)  # Diffuse mapping image
+				del filepath
+			else:
+				# so we write the materials image.
+				face_img = None
+		if mat:  # No face image. if we havea material search for MTex image.
+			image_map = {}
+			# backwards so topmost are highest priority
+			for mtex in reversed(mat.texture_slots):
+				if mtex and mtex.texture and mtex.texture.type == 'IMAGE':
+					image = mtex.texture.image
+					if image:
+						# texface overrides others
+						if(     mtex.use_map_color_diffuse
+						    and (face_img is None)
+						    and (mtex.use_map_warp is False)
+						    and (mtex.texture_coords != 'REFLECTION')
+						   ):
+							image_map["map_Kd"] = image
+						if mtex.use_map_ambient:
+							image_map["map_Ka"] = image
+						# this is the Spec intensity channel but Ks stands for specular Color
+						if mtex.use_map_color_spec:  # specular color
+							image_map["map_Ks"] = image
+						if mtex.use_map_hardness:  # specular hardness/glossiness
+							image_map["map_Ns"] = image
+						if mtex.use_map_alpha:
+							image_map["map_d"] = image
+						if mtex.use_map_translucency:
+							image_map["map_Tr"] = image
+						if mtex.use_map_normal and (mtex.texture.use_normal_map is True):
+							image_map["map_Bump"] = image
+						if mtex.use_map_normal and (mtex.texture.use_normal_map is False):
+							image_map["map_Disp"] = image
+						if mtex.use_map_color_diffuse and (mtex.texture_coords == 'REFLECTION'):
+							image_map["map_refl"] = image
+						if mtex.use_map_emit:
+							image_map["map_Ke"] = image
+			for key, image in image_map.items():
+				filepath = bpy_extras.io_utils.path_reference(image.filepath,
+				                                              source_dir,
+				                                              dest_dir,
+				                                              path_mode,
+				                                              "",
+				                                              copy_set,
+				                                              image.library)
+				file.write('\t%s %s\n' % (key, repr(filepath)[1:-1]))
+
+def veckey3d(v):
+	return round(v.x, 6), round(v.y, 6), round(v.z, 6)
+
+def veckey2d(v):
+	return round(v[0], 6), round(v[1], 6)
+
+def write_mesh(scene, file, object, mtl_dict):
+	print("**************** '" + str(object.name) + "' *******************")
+	
+	# Initialize totals, these are updated each object
+	totverts = 1
+	totuvco = 1
+	totno = 1
+	globalNormals = {}
+	face_vert_index = 1
+	# Used to reduce the usage of matname_texname materials, which can become annoying in case of
+	# repeated exports/imports, yet keeping unique mat names per keys!
+	# mtl_name: (material.name, image.name)
+	mtl_rev_dict = {}
+	
+	
+	if object.type != 'MESH':
+		print(object.name + 'is not a mesh type - ignoring type=' + object.type)
+		file.write('# can not export:"%s":type="%s"\n' % (object.name, str(object.type)))
+		return
+	#print("name:'%s'" % object.name)
+	#for plop in object.child:
+	#	print("    child:'%s'" % plop.name)
+	# ignore dupli children
+	if object.parent and object.parent.instance_type in {'VERTS', 'FACES'}:
+		# XXX
+		print(object.name, 'is a dupli child - ignoring')
+		return
+	obs = []
+	if object.instance_type != 'NONE':
+		# XXX
+		print('******************** creating instance_type on', object.name)
+		"""
+		object.dupli_list_create(scene)
+		obs = [(dob.object, dob.matrix) for dob in object.dupli_list]
+		# XXX debug print
+		print(object.name, 'has', len(obs), 'dupli children')
+		"""
+	else:
+		obs = [(object, object.matrix_world)]
+	for ob, ob_mat in obs:
+		try:
+			# apply the mesh modifieur at the curent object:
+			me = ob.to_mesh()
+		except RuntimeError:
+			me = None
+		if me is None:
+			continue
+		me.transform(ob_mat)
+		#print("ploppp:" + str(ob_mat) )
+		# _must_ do this first since it re-allocs arrays
+		# triangulate all the mesh:
+		mesh_triangulate(me)
+		# calculated normals:
+		me.calc_normals()
+		# export UV mapping:
+		faceuv = len(me.uv_textures) > 0
+		if faceuv:
+			uv_texture = me.uv_textures.active.data[:]
+			uv_layer = me.uv_layers.active.data[:]
+		me_verts = me.vertices[:]
+		# Make our own list so it can be sorted to reduce context switching
+		face_index_pairs = [(face, index) for index, face in enumerate(me.polygons)]
+		# faces = [ f for f in me.tessfaces ]
+		edges = me.edges
+		if not (len(face_index_pairs) + len(edges) + len(me.vertices)):  # Make sure there is somthing to write
+			# clean up
+			bpy.data.meshes.remove(me)
+			continue  # dont bother with this mesh.
+		
+		materials = me.materials[:]
+		material_names = [m.name if m else None for m in materials]
+		# avoid bad index errors
+		if not materials:
+			materials = [None]
+			material_names = [name_compat(None)]
+		# Sort by Material, then images
+		# so we dont over context switch in the obj file.
+		if faceuv:
+			face_index_pairs.sort(key=lambda a: (a[0].material_index, hash(uv_texture[a[1]].image), a[0].use_smooth))
+		elif len(materials) > 1:
+			face_index_pairs.sort(key=lambda a: (a[0].material_index, a[0].use_smooth))
+		else:
+			# no materials
+			face_index_pairs.sort(key=lambda a: a[0].use_smooth)
+		# Set the default mat to no material and no image.
+		contextMat = 0, 0  # Can never be this, so we will label a new material the first chance we get.
+		contextSmooth = None  # Will either be true or false,  set bad to force initialization switch.
+		# use:blen obs ??? what is this ....
+		name1 = ob.name
+		name2 = ob.data.name
+		if name1 == name2:
+			obnamestring = name_compat(name1)
+		else:
+			obnamestring = '%s_%s' % (name_compat(name1), name_compat(name2))
+		file.write('Mesh:%s\n' % obnamestring)  # Write Object name
+		###########################################################
+		## Vert
+		###########################################################
+		file.write('\tVertex:%d\n\t\t' % len(me_verts))
+		for v in me_verts:
+			file.write('%.6f %.6f %.6f|' % v.co[:])
+		file.write('\n')
+		###########################################################
+		## UV
+		###########################################################
+		if faceuv:
+			file.write('\tUV-mapping:\n\t\t')
+			# in case removing some of these dont get defined.
+			uv = uvkey = uv_dict = f_index = uv_index = None
+			uv_face_mapping = [None] * len(face_index_pairs)
+			uv_dict = {}  # could use a set() here
+			for f, f_index in face_index_pairs:
+				uv_ls = uv_face_mapping[f_index] = []
+				for uv_index, l_index in enumerate(f.loop_indices):
+					uv = uv_layer[l_index].uv
+					uvkey = veckey2d(uv)
+					try:
+						uv_k = uv_dict[uvkey]
+					except:
+						uv_k = uv_dict[uvkey] = len(uv_dict)
+						file.write('%.6f %.6f|' % uv[:])
+					uv_ls.append(uv_k)
+			uv_unique_count = len(uv_dict)
+			del uv, uvkey, uv_dict, f_index, uv_index, uv_ls, uv_k
+			# Only need uv_unique_count and uv_face_mapping
+			file.write('\n')
+		else:
+			print("does not use UV-MAPPING")
+		###########################################################
+		## NORMAL
+		###########################################################
+		if len(face_index_pairs) > 0:
+			if face_index_pairs[0][0].use_smooth:
+				localIsSmooth = 'vertex'
+			else:
+				localIsSmooth = 'face'
+		else:
+			localIsSmooth = 'face'
+		file.write('\tNormal(%s):%d\n\t\t' % (localIsSmooth, len(face_index_pairs)) )
+		for f, f_index in face_index_pairs:
+			if f.use_smooth:
+				for v_idx in f.vertices:
+					v = me_verts[v_idx]
+					noKey = veckey3d(v.normal)
+					if noKey not in globalNormals:
+						globalNormals[noKey] = totno
+						totno += 1
+						file.write('%.6f %.6f %.6f|' % noKey)
+			else:
+				# Hard, 1 normal from the face.
+				noKey = veckey3d(f.normal)
+				if noKey not in globalNormals:
+					globalNormals[noKey] = totno
+					totno += 1
+					file.write('%.6f %.6f %.6f|' % noKey)
+		
+		file.write('\n')
+		if not faceuv:
+			f_image = None
+		###########################################################
+		## faces
+		###########################################################
+		file.write('\tFace:%d' % len(face_index_pairs))
+		for f, f_index in face_index_pairs:
+			f_smooth = f.use_smooth
+			f_mat = min(f.material_index, len(materials) - 1)
+			if faceuv:
+				tface = uv_texture[f_index]
+				f_image = tface.image
+			# MAKE KEY
+			if faceuv and f_image:  # Object is always true.
+				key = material_names[f_mat], f_image.name
+			else:
+				key = material_names[f_mat], None  # No image, use None instead.
+			# CHECK FOR CONTEXT SWITCH
+			if key == contextMat:
+				pass  # Context already switched, dont do anything
+			else:
+				if key[0] is None and key[1] is None:
+					# inform the use of a material:
+					file.write("\n\t\t---:")  # mat, image
+				else:
+					mat_data = mtl_dict.get(key)
+					if not mat_data:
+						# First add to global dict so we can export to mtl
+						# Then write mtl
+						# Make a new names from the mat and image name,
+						# converting any spaces to underscores with name_compat.
+						# If none image dont bother adding it to the name
+						# Try to avoid as much as possible adding texname (or other things)
+						# to the mtl name (see [#32102])...
+						mtl_name = "%s" % name_compat(key[0])
+						if mtl_rev_dict.get(mtl_name, None) not in {key, None}:
+							if key[1] is None:
+								tmp_ext = "_NONE"
+							else:
+								tmp_ext = "_%s" % name_compat(key[1])
+							i = 0
+							while mtl_rev_dict.get(mtl_name + tmp_ext, None) not in {key, None}:
+								i += 1
+								tmp_ext = "_%3d" % i
+							mtl_name += tmp_ext
+						mat_data = mtl_dict[key] = mtl_name, materials[f_mat], f_image
+						mtl_rev_dict[mtl_name] = key
+					# set the use of a material:
+					file.write("\n\t\t%s\n\t\t\t" % mat_data[0])  # can be mat_image or (null)
+			contextMat = key
+			f_v = [(vi, me_verts[v_idx]) for vi, v_idx in enumerate(f.vertices)]
+			if faceuv:
+				# export the normals:
+				if f_smooth:  # Smoothed, use vertex normals
+					for vi, v in f_v:
+						file.write(" %d/%d/%d" %
+						   (v.index + totverts-1,
+						    totuvco + uv_face_mapping[f_index][vi]-1,
+						    globalNormals[veckey3d(v.normal)]-1,
+						   ))  # vert, uv, normal
+				else:  # No smoothing, face normals
+					no = globalNormals[veckey3d(f.normal)]
+					for vi, v in f_v:
+						file.write(" %d/%d/%d" %
+						   (v.index + totverts-1,
+						    totuvco + uv_face_mapping[f_index][vi]-1,
+						    no-1,
+						   ))  # vert, uv, normal
+				face_vert_index += len(f_v)
+			else:  # No UV's
+				# export the normals:
+				if f_smooth:  # Smoothed, use vertex normals
+					for vi, v in f_v:
+						file.write(" %d/%d" % (
+								   v.index + totverts-1,
+								   globalNormals[veckey3d(v.normal)]-1,
+								   ))
+				else:  # No smoothing, face normals
+					no = globalNormals[veckey3d(f.normal)]
+					for vi, v in f_v:
+						file.write(" %d/%d" % (v.index + totverts-1, no-1))
+			file.write('|')
+		file.write('\n')
+		# Write edges. ==> did not know what it is ...
+		#file.write('Faces:%d' % len(edges))
+		#for ed in edges:
+		#	if ed.is_loose:
+		#		file.write('%d %d\n' % (ed.vertices[0] + totverts, ed.vertices[1] + totverts))
+		
+		# Make the indices global rather then per mesh
+		totverts += len(me_verts)
+		if faceuv:
+			totuvco += uv_unique_count
+		# clean up
+		bpy.data.meshes.remove(me)
+	
+	if object.dupli_type != 'NONE':
+		object.dupli_list_clear()
+	#####################################################################
+	## Save collision shapes (for one object):
+	#####################################################################
+	for subObj in getChildren(object):
+		print("     child:'%s' check if start with : '%s'" % (subObj.name, EXPORT_COLLISION_NAME))
+		if subObj.name.lower().startswith(EXPORT_COLLISION_NAME):
+			print("     find physics:'%s'" % (subObj.name))
+			write_collision_shape(subObj, file, object.scale, 1)
+
+
+
+"""
+ " @brief Basic write function. The context and options must be already set.
+"""
+def write_file(filepath,
+               objects,
+               scene,
+               EXPORT_PATH_MODE='AUTO',
+               EXPORT_BINARY_MODE=False,
+               EXPORT_COLLISION_NAME=""
+               ):
+	print('EMF Export path: %r' % filepath)
+	
+	time1 = time.time()
+	
+	mtlfilepath = os.path.splitext(filepath)[0] + ".mtl"
+	
+	file = open(filepath, "w", encoding="utf8", newline="\n")
+	
+	# Write Header
+	file.write('EMF(STRING)\n') # if binary:file.write('EMF(BINARY)\n')
+	file.write('# Blender v%s EMF File: %r\n' % (bpy.app.version_string, os.path.basename(bpy.data.filepath)))
+	
+	# A Dict of Materials
+	# (material.name, image.name):matname_imagename # matname_imagename has gaps removed.
+	mtl_dict = {}
+	
+	copy_set = set()
+	"""
+	nb_total_mesh = 0
+	nb_total_physic = 0
+	for ob_main in objects:
+		print("**************** '" + str(ob_main.name) + "' *******************")
+		if ob_main.type == 'EMPTY':
+			for sub_obj in getChildren(ob_main):
+				print("     child:'" + str(sub_obj.name) + "' type=" + sub_obj.type)
+				if sub_obj.type == 'MESH':
+					nb_total_mesh += 1
+				elif     sub_obj.type == 'EMPTY' \
+				     and sub_obj.name.lower().startswith("physic"):
+					nb_total_physic += 1
+				for sub_obj_2 in getChildren(sub_obj):
+					print("         child:'" + str(sub_obj_2.name) + "' type=" + sub_obj_2.type)
+					for sub_obj_3 in getChildren(sub_obj_2):
+						print("         child:'" + str(sub_obj_3.name) + "' type=" + sub_obj_3.type)
+		if ob_main.type == 'MESH':
+			nb_total_mesh += 1
+	print("nb_total_mesh: " + str(nb_total_mesh))
+	print("nb_total_physic: " + str(nb_total_physic))
+	"""
+	
+	# Get all meshes
+	for ob_main in objects:
+		if ob_main.type == 'MESH':
+			write_mesh(scene, file, ob_main, mtl_dict)
+		elif ob_main.type == 'EMPTY':
+			for sub_obj in getChildren(ob_main):
+				print("     child:'" + str(sub_obj.name) + "' type=" + sub_obj.type)
+				if sub_obj.type == 'MESH':
+					write_mesh(scene, file, sub_obj, mtl_dict)
+				elif     sub_obj.type == 'EMPTY' \
+				     and sub_obj.name.lower().startswith("physic"):
+					print("     child:'" + str(sub_obj.name) + "' type=" + sub_obj.type)
+					#####################################################################
+					## Save collision shapes (for one all):
+					#####################################################################
+					write_collision_shape(sub_obj, file, sub_obj.scale, 0)
+				else:
+					print("     child:'" + str(sub_obj.name) + "' type=" + sub_obj.type + " not parsed ...")
+					
+	#####################################################################
+	## Now we have all our materials, save them in the material section
+	#####################################################################
+	write_mtl(scene, file, mtlfilepath, EXPORT_PATH_MODE, copy_set, mtl_dict)
+	
+	#####################################################################
+	## End of the file generation:
+	#####################################################################
+	file.close()
+	
+	# copy all collected files.
+	bpy_extras.io_utils.path_reference_copy(copy_set)
+	
+	print("EMF Export time: %.2f" % (time.time() - time1))
+
+
+"""
+ " @brief generate the requested object file ... with his material inside and ...
+ " 
+"""
+def _write(context,
+           filepath,
+           EXPORT_SEL_ONLY,
+           EXPORT_PATH_MODE,
+           EXPORT_BINARY_MODE,
+           EXPORT_COLLISION_NAME,
+           ):
+	# 
+	base_name, ext = os.path.splitext(filepath)
+	# create the output name:
+	context_name = [base_name, '', '', ext]  # Base name, scene name, frame number, extension
+	# get the curent scene:
+	scene = context.scene
+	# Exit edit mode before exporting, so current object states are exported properly.
+	if bpy.ops.object.mode_set.poll():
+		bpy.ops.object.mode_set(mode='OBJECT')
+	# get the curent frame selected:
+	frame = scene.frame_current
+	# Loop through all frames in the scene and export.
+	scene.frame_set(frame, subframe=0.0)
+	# get only the object that are selected or all...
+	if EXPORT_SEL_ONLY:
+		objects = context.selected_objects
+	else:
+		objects = scene.objects
+	
+	full_path = ''.join(context_name)
+	
+	write_file(full_path,
+	           objects,
+	           scene,
+	           EXPORT_PATH_MODE,
+	           EXPORT_BINARY_MODE,
+	           EXPORT_COLLISION_NAME,
+	           )
+	
+
+
+"""
+ " @brief Save the current element in the file requested.
+ " 
+"""
+def save(operator,
+         context,
+         filepath="",
+         use_selection=True,
+         use_binary=False,
+         collision_object_name="",
+         path_mode='AUTO'
+         ):
+	_write(context,
+	       filepath,
+	       EXPORT_SEL_ONLY=use_selection,
+	       EXPORT_PATH_MODE=path_mode,
+	       EXPORT_BINARY_MODE=use_binary,
+	       EXPORT_COLLISION_NAME=collision_object_name,
+	       )
+	
+	return {'FINISHED'}

samples/.checkstyle

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<fileset-config file-format-version="1.2.0" simple-config="true" sync-formatter="false">
+  <fileset name="all" enabled="true" check-config-name="Ewol" local="false">
+    <file-match-pattern match-pattern="." include-pattern="true"/>
+  </fileset>
+</fileset-config>

samples/.classpath

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="src" path="resources"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry combineaccessrules="false" kind="src" path="/atriasoft-ege">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry combineaccessrules="false" kind="src" path="/atriasoft-etk">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="output" path="bin"/>
+</classpath>

samples/.gitignore

@@ -0,0 +1 @@
+/bin/

samples/.project

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>atriasoft-ege-samples</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

samples/.settings/org.eclipse.jdt.ui.prefs

@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.ui.text.custom_code_templates=

samples/.settings/org.eclipse.ltk.core.refactoring.prefs

@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+org.eclipse.ltk.core.refactoring.enable.project.refactoring.history=false

samples/resources/res/tower.dae

@@ -0,0 +1,327 @@
+<?xml version="1.0" encoding="utf-8"?>
+<COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <asset>
+    <contributor>
+      <author>Blender User</author>
+      <authoring_tool>Blender 2.92.0 commit date:2021-02-24, commit time:16:25, hash:02948a2cab44</authoring_tool>
+    </contributor>
+    <created>2021-04-15T23:57:56</created>
+    <modified>2021-04-15T23:57:56</modified>
+    <unit name="meter" meter="1"/>
+    <up_axis>Z_UP</up_axis>
+  </asset>
+  <library_cameras>
+    <camera id="Camera-camera" name="Camera">
+      <optics>
+        <technique_common>
+          <perspective>
+            <xfov sid="xfov">39.59775</xfov>
+            <aspect_ratio>1.777778</aspect_ratio>
+            <znear sid="znear">0.1</znear>
+            <zfar sid="zfar">100</zfar>
+          </perspective>
+        </technique_common>
+      </optics>
+      <extra>
+        <technique profile="blender">
+          <shiftx sid="shiftx" type="float">0</shiftx>
+          <shifty sid="shifty" type="float">0</shifty>
+          <dof_distance sid="dof_distance" type="float">10</dof_distance>
+        </technique>
+      </extra>
+    </camera>
+  </library_cameras>
+  <library_lights>
+    <light id="Light-light" name="Light">
+      <technique_common>
+        <point>
+          <color sid="color">1000 1000 1000</color>
+          <constant_attenuation>1</constant_attenuation>
+          <linear_attenuation>0</linear_attenuation>
+          <quadratic_attenuation>0.00111109</quadratic_attenuation>
+        </point>
+      </technique_common>
+      <extra>
+        <technique profile="blender">
+          <type sid="type" type="int">0</type>
+          <flag sid="flag" type="int">0</flag>
+          <mode sid="mode" type="int">1</mode>
+          <gamma sid="blender_gamma" type="float">1</gamma>
+          <red sid="red" type="float">1</red>
+          <green sid="green" type="float">1</green>
+          <blue sid="blue" type="float">1</blue>
+          <shadow_r sid="blender_shadow_r" type="float">0</shadow_r>
+          <shadow_g sid="blender_shadow_g" type="float">0</shadow_g>
+          <shadow_b sid="blender_shadow_b" type="float">0</shadow_b>
+          <energy sid="blender_energy" type="float">1000</energy>
+          <dist sid="blender_dist" type="float">29.99998</dist>
+          <spotsize sid="spotsize" type="float">75</spotsize>
+          <spotblend sid="spotblend" type="float">0.15</spotblend>
+          <att1 sid="att1" type="float">0</att1>
+          <att2 sid="att2" type="float">1</att2>
+          <falloff_type sid="falloff_type" type="int">2</falloff_type>
+          <clipsta sid="clipsta" type="float">0.04999995</clipsta>
+          <clipend sid="clipend" type="float">30.002</clipend>
+          <bias sid="bias" type="float">1</bias>
+          <soft sid="soft" type="float">3</soft>
+          <bufsize sid="bufsize" type="int">2880</bufsize>
+          <samp sid="samp" type="int">3</samp>
+          <buffers sid="buffers" type="int">1</buffers>
+          <area_shape sid="area_shape" type="int">1</area_shape>
+          <area_size sid="area_size" type="float">0.1</area_size>
+          <area_sizey sid="area_sizey" type="float">0.1</area_sizey>
+          <area_sizez sid="area_sizez" type="float">1</area_sizez>
+        </technique>
+      </extra>
+    </light>
+  </library_lights>
+  <library_effects>
+    <effect id="base_tower-effect">
+      <profile_COMMON>
+        <technique sid="common">
+          <lambert>
+            <emission>
+              <color sid="emission">0 0 0 1</color>
+            </emission>
+            <diffuse>
+              <color sid="diffuse">0.001353697 0.8000001 0.05331983 1</color>
+            </diffuse>
+            <index_of_refraction>
+              <float sid="ior">1.45</float>
+            </index_of_refraction>
+          </lambert>
+        </technique>
+      </profile_COMMON>
+    </effect>
+    <effect id="Material-effect">
+      <profile_COMMON>
+        <technique sid="common">
+          <lambert>
+            <emission>
+              <color sid="emission">0 0 0 1</color>
+            </emission>
+            <diffuse>
+              <color sid="diffuse">0.8000001 0 0.008711318 1</color>
+            </diffuse>
+            <index_of_refraction>
+              <float sid="ior">1.45</float>
+            </index_of_refraction>
+          </lambert>
+        </technique>
+      </profile_COMMON>
+    </effect>
+    <effect id="Material_001-effect">
+      <profile_COMMON>
+        <technique sid="common">
+          <lambert>
+            <emission>
+              <color sid="emission">0 0 0 1</color>
+            </emission>
+            <diffuse>
+              <color sid="diffuse">0.1136548 0.510074 0.8000001 1</color>
+            </diffuse>
+            <index_of_refraction>
+              <float sid="ior">1.45</float>
+            </index_of_refraction>
+          </lambert>
+        </technique>
+      </profile_COMMON>
+    </effect>
+    <effect id="Material_002-effect">
+      <profile_COMMON>
+        <technique sid="common">
+          <lambert>
+            <emission>
+              <color sid="emission">0 0 0 1</color>
+            </emission>
+            <diffuse>
+              <color sid="diffuse">0.0146695 0.0146695 0.0146695 1</color>
+            </diffuse>
+            <index_of_refraction>
+              <float sid="ior">1.45</float>
+            </index_of_refraction>
+          </lambert>
+        </technique>
+      </profile_COMMON>
+    </effect>
+  </library_effects>
+  <library_images/>
+  <library_materials>
+    <material id="base_tower-material" name="base tower">
+      <instance_effect url="#base_tower-effect"/>
+    </material>
+    <material id="Material-material" name="Material">
+      <instance_effect url="#Material-effect"/>
+    </material>
+    <material id="Material_001-material" name="Material.001">
+      <instance_effect url="#Material_001-effect"/>
+    </material>
+    <material id="Material_002-material" name="Material.002">
+      <instance_effect url="#Material_002-effect"/>
+    </material>
+  </library_materials>
+  <library_geometries>
+    <geometry id="Cube-mesh" name="Cube">
+      <mesh>
+        <source id="Cube-mesh-positions">
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+                <layer sid="layer" type="string">0</layer>
+                <roll sid="roll" type="float">-1.757583</roll>
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+        <node id="Cube" name="Cube" type="NODE">
+          <matrix sid="transform">1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1</matrix>
+          <instance_controller url="#Armature_Cube-skin">
+            <skeleton>#Armature_Base</skeleton>
+            <bind_material>
+              <technique_common>
+                <instance_material symbol="base_tower-material" target="#base_tower-material">
+                  <bind_vertex_input semantic="UVMap" input_semantic="TEXCOORD" input_set="0"/>
+                </instance_material>
+                <instance_material symbol="Material-material" target="#Material-material">
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+      <node id="Camera" name="Camera" type="NODE">
+        <matrix sid="transform">0.6859207 -0.3240135 0.6515582 7.358891 0.7276763 0.3054208 -0.6141704 -6.925791 0 0.8953956 0.4452714 4.958309 0 0 0 1</matrix>
+        <instance_camera url="#Camera-camera"/>
+      </node>
+      <node id="Light" name="Light" type="NODE">
+        <matrix sid="transform">-0.2908646 -0.7711008 0.5663932 4.076245 0.9551712 -0.1998834 0.2183912 1.005454 -0.05518906 0.6045247 0.7946723 5.903862 0 0 0 1</matrix>
+        <instance_light url="#Light-light"/>
+      </node>
+    </visual_scene>
+  </library_visual_scenes>
+  <scene>
+    <instance_visual_scene url="#Scene"/>
+  </scene>
+</COLLADA>

samples/resources/testDataLoxelEngine/data/basic.frag

@@ -0,0 +1,17 @@
+#version 400 core
+
+#ifdef GL_ES
+precision mediump float;
+precision mediump int;
+#endif
+
+in vec2 io_textureCoords;
+
+uniform sampler2D in_textureBase;
+
+// output:
+out vec4 out_Color;
+
+void main(void) {
+	out_Color = texture(in_textureBase, io_textureCoords);
+}

samples/resources/testDataLoxelEngine/data/basic.vert

@@ -0,0 +1,21 @@
+#version 400 core
+
+#ifdef GL_ES
+precision mediump float;
+precision mediump int;
+#endif
+
+// Input:
+in vec3 in_position;
+in vec2 in_textureCoords;
+uniform mat4 in_matrixTransformation;
+uniform mat4 in_matrixProjection;
+uniform mat4 in_matrixView;
+
+// output:
+out vec2 io_textureCoords;
+
+void main(void) {
+	gl_Position = in_matrixProjection * in_matrixView * in_matrixTransformation * vec4(in_position, 1.0);
+	io_textureCoords = in_textureCoords;
+}