Now tries and attach imported models to an armature, and place it at the bone.

No longer imports LOD models.

bugfix: Was rotating parts 180degrees around the X axis.
bugfix: Was failing export due to changes in the way vertex weights are stored in GeoMeshes.

__init__.py

@@ -2,7 +2,7 @@
 bl_info = {
     "name": "City of Heroes (.geo)",
     "author": "TigerKat",
-    "version": (0, 2, 2),
+    "version": (0, 2, 3),
     "blender": (2, 80, 0),
     "location": "File > Import/Export,",
     "description": "City of Heroes (.geo)",

geo.py

@@ -838,6 +838,18 @@ class Model:
     def encodeHeader(self):
         self.geo.header_data += self.header_data
 
+    def getBoneRoot(self):
+        if self.bone_count <= 0:
+            return None
+        #todo: find the root properly. For now it just grabs the lowest bone id and hopes it's right.
+        #print("getBoneRoot():")
+        bid = self.bone_ids[0]
+        for i in range(self.bone_count):
+            b = self.bone_ids[i]
+            #print("   %s : %s" % (bid, b))
+            if b < bid:
+                bid = b
+        return BONES_LIST[bid]
     def dump(self):
         print("    radius: %s" % self.radius)
         print("    tex_count: %s" % self.tex_count)
@@ -972,11 +984,14 @@ class Model:
         for i in range(len(geomesh.textures)):
             texture_remap.append(self.geo.getTextureIndex(geomesh.textures[i]))
         #Determine the remap for converting geomesh weight/bones indexes to geo weight/bone indexes.
-        weight_remap = []
+        geomesh.rebuildWeightsList()
+        weight_remap = {}
         for i in range(len(geomesh.weights)):
-            weight_remap.append(BONES_LOOKUP.get(geomesh.weights[i], 0))
+            #weight_remap.append(BONES_LOOKUP.get(geomesh.weights[i], 0))
-        if len(weight_remap) <= 0:
+            weight_remap[geomesh.weights[i]] = BONES_LOOKUP.get(geomesh.weights[i], 0)
-            weight_remap.append(0)
+            #print("   '%s' -> %s" % (geomesh.weights[i], weight_remap[geomesh.weights[i]]))
+        #if len(weight_remap) <= 0:
+        #    weight_remap.append(0)
         #Convert vetices to: positions, normals, uvs, weights
         for i, v in enumerate(geomesh.geovertex):
             self.verts.append(v.coord)
@@ -984,6 +999,7 @@ class Model:
             self.sts.append(v.uv)
             if geomesh.have_weights:
                 weights = v.selectWeights(2)
+                #print(weights)
                 if len(weights) == 0:
                     self.weights.append([1, 0])
                     self.weight_bones.append([weight_remap[0], weight_remap[0]])

geomesh.py

@@ -84,6 +84,15 @@ class GeoMesh:
             self.weights_map[name] = index
             self.weights.append(name)
         return index
+    def rebuildWeightsList(self):
+        self.weights_map = {}
+        self.weights = []
+        for v in self.geovertex:
+            for w in v.weights:
+                if w[0] in self.weights_map:
+                    continue
+                self.weights_map[w[0]] = len(self.weights)
+                self.weights.append(w[0])
 
     def addFace(self, geovertices, texture_name):
         l = len(geovertices)

import_geo.py

@@ -18,10 +18,12 @@ if 0:
         return l
 else:
     def import_fix_coord(v):
-        return (-v[0],  v[2], -v[1])
+        return (-v[0],  -v[2], v[1])
     def import_fix_normal(v):
-        return ( v[0], -v[2],  v[1])
+        return ( v[0], v[2],  -v[1])
     def import_fix_winding(l):
+        l = list(l)
+        l.reverse()
         return l
 
 def convert_model(geo_model, mesh_data, obj, scale):
@@ -37,6 +39,7 @@ def convert_model(geo_model, mesh_data, obj, scale):
 
     coords = [c for v in geomesh.geovertex for c in import_scale_coord(import_fix_coord(v.coord), scale)]
     normals = [n for v in geomesh.geovertex for n in import_fix_normal(v.normal)]
+    #print("normals: %s" % (normals, ))
     loop_totals = []
     loop_starts = []
     i = 0
@@ -78,17 +81,53 @@ def convert_model(geo_model, mesh_data, obj, scale):
 
     #todo: attempt to load textures/images
 
+def getBonePositionBody(bone):
+    if bone.parent is None:
+        p = bone.tail
+        print("root: %s: %s (%s)" % (bone, p, bone.head))
+        return p
+    else:
+        p = bone.tail + getBonePositionBody(bone.parent)
+        print("    : %s: %s (%s) -> %s" % (bone, bone.tail, bone.head, p))
+        return p
+
+def getBonePosition(arm, name):
+    return getBonePositionBody(arm.bones[name])
 
-def load(operator, context, scale = 1.0, filepath = "", global_matrix = None, use_mesh_modifiers = True):
+def load(operator, context, scale = 1.0, filepath = "", global_matrix = None, use_mesh_modifiers = True, ignore_lod = True):
     #load .geo
     fh_in = open(filepath, "rb")
     geo = Geo()
     geo.loadFromFile(fh_in)
     fh_in.close()
+    #Choose the first selected armature as the armature to attach to.
+    armature = None
+    for ob in context.selected_objects:
+        if ob.type == "ARMATURE":
+            armature_obj = ob
+            armature = ob.data
+            break
+    else:
+        #If none found try again with all objects.
+        for ob in bpy.data.objects:
+            if ob.type == "ARMATURE":
+                armature_obj = ob
+                armature = ob.data
+                break
     for geo_model in geo.models:
+        model_name = geo_model.name.decode("utf-8")
+        if ignore_lod:
+            islod = False
+            #todo: better LOD model detection
+            for l in ["_LOD1", "_LOD2"]:
+                if l in model_name:
+                    islod = True
+                    break
+            if islod:
+                continue
         #create object matching model's name (or next equivilant)
-        mesh = bpy.data.meshes.new(name = geo_model.name.decode("utf-8"))
+        mesh = bpy.data.meshes.new(name = model_name)
-        obj = bpy.data.objects.new(geo_model.name.decode("utf-8"), mesh)
+        obj = bpy.data.objects.new(model_name, mesh)
         #convert model to mesh
         convert_model(geo_model, mesh, obj, scale)
         #Create object for this mesh
@@ -96,6 +135,20 @@ def load(operator, context, scale = 1.0, filepath = "", global_matrix = None, us
 
         bpy.context.collection.objects.link(obj)
         bpy.context.view_layer.objects.active = obj
+
+        #Try and attach it to the armature.
+        if armature != None:
+            bone_name = geo_model.getBoneRoot()
+            if bone_name is None:
+                #No bones, don't attach.
+                pass
+            elif bone_name in armature.bones:
+                bone_pos = getBonePosition(armature, bone_name)
+                obj.matrix_world = mathutils.Matrix.Translation(bone_pos)
+                obj.modifiers.new(name = 'Armature', type = 'ARMATURE')
+                obj.modifiers['Armature'].object = armature_obj
+            else:
+                print("Bone '%s' not found in armature '%s', skipping." % (bone_name, armature))
         obj.select_set(True)
         pass
     pass