Move exporter logic out of prop_object...

... And commence more work on the exporter. We now export
CoordinateInterfaces! Go us.

korman/exporter/convert.py

@@ -18,7 +18,10 @@ import os.path
 from PyHSPlasma import *
 
 from . import explosions
+from . import logger
 from . import manager
+from . import mesh
+from . import utils
 
 class Exporter:
     # These are objects that we need to export as plSceneObjects
@@ -32,26 +35,34 @@ class Exporter:
         return os.path.splitext(os.path.split(self._op.filepath)[1])[0]
 
     def run(self):
-        # Step 0: Init export resmgr and stuff
-        self.mgr = manager.ExportManager(globals()[self._op.version])
+        with logger.ExportLogger("{}_export.log".format(self.age_name)) as _log:
+            # Step 0: Init export resmgr and stuff
+            self.mgr = manager.ExportManager(globals()[self._op.version])
+            self.mesh = mesh.MeshConverter()
+            self.report = logger.ExportAnalysis()
 
-        # Step 1: Gather a list of objects that we need to export
-        #         We should do this first so we can sanity check
-        #         and give accurate progress reports
-        self._collect_objects()
+            # Step 1: Gather a list of objects that we need to export
+            #         We should do this first so we can sanity check
+            #         and give accurate progress reports
+            self._collect_objects()
 
-        # Step 2: Create the age info and the pages
-        self._export_age_info()
+            # Step 2: Create the age info and the pages
+            self._export_age_info()
 
-        # Step 2.9: Ensure that all Plasma Objects are in a valid page
-        #           This creates the default page if it is used
-        self.mgr.sanity_check_object_pages(self.age_name, self._objects)
+            # Step 2.9: Ensure that all Plasma Objects are in a valid page
+            #           This creates the default page if it is used
+            self.mgr.sanity_check_object_pages(self.age_name, self._objects)
 
-        # Step 3: Export all the things!
-        self._export_scene_objects()
+            # Step 3: Export all the things!
+            self._export_scene_objects()
 
-        # Step 4: FINALLY. Let's write the PRPs and crap.
-        self.mgr.save_age(self._op.filepath)
+            # Step 4: FINALLY. Let's write the PRPs and crap.
+            self.mgr.save_age(self._op.filepath)
+
+            # Step 4.1: Save out the export report.
+            #           If the export fails and this doesn't save, we have bigger problems than
+            #           these little warnings and notices.
+            self.report.save()
 
     def _collect_objects(self):
         for obj in bpy.data.objects:
@@ -72,9 +83,75 @@ class Exporter:
             mgr.create_page(age_name, page.name, page.seq_suffix)
         mgr.create_builtins(age_name, self._op.use_texture_page)
 
+    def _export_actor(self, so, bo):
+        """Exports a Coordinate Interface if we need one"""
+        empty = bo.type in {"CAMERA", "EMPTY", "LAMP"}
+        childobj = bo.parent is not None
+
+        if empty or childobj:
+            self._export_coordinate_interface(so, bo)
+
+        # If this object has a parent, then we will need to go upstream and add ourselves to the
+        # parent's CoordinateInterface... Because life just has to be backwards.
+        if childobj:
+            parent = bo.parent
+            if parent.plasma_object.enabled:
+                print("\tAttaching to parent SceneObject '{}'".format(parent.name))
+
+                # Instead of exporting a skeleton now, we'll just make an orphaned CI.
+                # The bl_obj export will make this work.
+                parent_ci = self.mgr.find_create_key(parent, plCoordinateInterface).object
+                parent_ci.addChild(so.key)
+            else:
+                self.report.warn("oversight",
+                                 "You have parented Plasma Object '{}' to '{}', which has not been marked for export. \
+                                 The object may not appear in the correct location or animate properly.".format(
+                                    bo.name, parent.name))
+
+    def _export_coordinate_interface(self, so, bo):
+        """Ensures that the SceneObject has a CoordinateInterface"""
+        if not so.coord:
+            ci = self.mgr.find_create_key(bo, plCoordinateInterface)
+            so.coord = ci
+            ci = ci.object
+            ci.owner = so.key
+
+            # Now we have the "fun" work of filling in the CI
+            ci.worldToLocal = utils.matrix44(bo.matrix_basis)
+            ci.localToWorld = ci.worldToLocal.inverse()
+            ci.parentToLocal = utils.matrix44(bo.matrix_local)
+            ci.localToParent = ci.parentToLocal.inverse()
+
     def _export_scene_objects(self):
         for bl_obj in self._objects:
-            # Naive export all Plasma Objects. They will be responsible for calling back into the
-            # exporter to find/create drawable meshes, materials, etc. Not sure if this design will
-            # work well, but we're going to go with it for now.
-            bl_obj.plasma_object.export(self, bl_obj)
+            print("=== Exporting plSceneObject ===")
+
+            # First pass: do things specific to this object type.
+            #             note the function calls: to export a MESH, it's _export_mesh_blobj
+            export_fn = "_export_{}_blobj".format(bl_obj.type.lower())
+            try:
+                export_fn = getattr(self, export_fn)
+            except AttributeError:
+                print("WARNING: '{}' is a Plasma Object of Blender type '{}'".format(bl_obj.name, bl_obj.type))
+                print("... And I have NO IDEA what to do with that! Tossing.")
+                continue
+            print("\tBlender Object '{}' of type '{}'".format(bl_obj.name, bl_obj.type))
+
+            # Create a sceneobject if one does not exist.
+            # Before we call the export_fn, we need to determine if this object is an actor of any
+            # sort, and barf out a CI.
+            sceneobject = self.mgr.find_create_key(bl_obj, plSceneObject).object
+            self._export_actor(sceneobject, bl_obj)
+            export_fn(sceneobject, bl_obj)
+
+            # :(
+            print()
+
+    def _export_empty_blobj(self, so, bo):
+        # We don't need to do anything here. This function just makes sure we don't error out
+        # or add a silly special case :(
+        pass
+
+    def _export_mesh_blobj(self, so, bo):
+        # TODO
+        pass

korman/exporter/logger.py

@@ -0,0 +1,72 @@
+#    This file is part of Korman.
+#
+#    Korman is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation, either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    Korman is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with Korman.  If not, see <http://www.gnu.org/licenses/>.
+
+import sys
+
+class ExportAnalysis:
+    """This is used to collect artist action items from the export process. You can warn about
+       portability issues, possible oversights, etc. The benefit here is that the user doesn't have
+       to look through all of the gobbledygook in the export log.
+    """
+
+    _notices = {}
+    _warnings = {}
+
+    def save(self):
+        # TODO
+        pass
+
+    def _stash(self, _d, category, message):
+        if category not in _d:
+            _d[category] = [message,]
+        else:
+            _d[category].append(message)
+
+    def note(self, category, message):
+        self._stash(self._notices, category, message)
+        print("NOTICE {}: {}".format(category, message))
+
+    def warn(self, category, message):
+        self._stash(self._warnings, category, message)
+        print("WARNING {}: {}".format(category, message))
+
+
+class ExportLogger:
+    """Yet Another Logger(TM)"""
+
+    def __init__(self, fn):
+        self._stdout = sys.stdout
+        self._stderr = sys.stderr
+        self._file = open(fn, "w")
+
+        for i in dir(self._file):
+            if not hasattr(self, i):
+                setattr(self, i, getattr(self._file, i))
+
+    def __enter__(self):
+        sys.stdout = self._file
+        sys.stderr = self._file
+
+    def __exit__(self, type, value, traceback):
+        sys.stdout = self._stdout
+        sys.stderr = self._stderr
+
+    def write(self, str):
+        self._file.write(str)
+        self._stdout.write(str)
+
+    def writelines(self, seq):
+        self._file.writelines(seq)
+        self._stdout.writelines(seq)

korman/exporter/manager.py

@@ -109,12 +109,17 @@ class ExportManager:
             self._nodes[location] = None
         return location
 
-    def find_key(self, bl_obj, index):
-        """Given a blender Object and a pCre index, find an exported plKey"""
+    def find_create_key(self, bl_obj, pClass):
+        key = self.find_key(bl_obj, pClass)
+        if key is None:
+            key = self.add_object(pl=pClass, bl=bl_obj).key
+        return key
+
+    def find_key(self, bl_obj, pClass):
+        """Given a blender Object and a Plasma class, find (or create) an exported plKey"""
         location = self._pages[bl_obj.plasma_object.page]
 
-        # NOTE: may need to replace with a python side dict for faster lookups
-        #       evaluate when exporter has been fleshed out
+        index = plFactory.ClassIndex(pClass.__name__)
         for key in self.mgr.getKeys(location, index):
             if bl_obj.name == key.name:
                 return key

korman/exporter/mesh.py

@@ -0,0 +1,21 @@
+#    This file is part of Korman.
+#
+#    Korman is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation, either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    Korman is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with Korman.  If not, see <http://www.gnu.org/licenses/>.
+
+import bpy
+from PyHSPlasma import *
+
+class MeshConverter:
+    # TODO
+    pass

korman/exporter/utils.py

@@ -0,0 +1,26 @@
+#    This file is part of Korman.
+#
+#    Korman is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation, either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    Korman is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with Korman.  If not, see <http://www.gnu.org/licenses/>.
+
+from PyHSPlasma import *
+
+def matrix44(blmat):
+    """Converts a mathutils.Matrix to an hsMatrix44"""
+    hsmat = hsMatrix44()
+    for i in range(4):
+        hsmat[0, i] = blmat[i][0]
+        hsmat[1, i] = blmat[i][1]
+        hsmat[2, i] = blmat[i][2]
+        hsmat[3, i] = blmat[i][3]
+    return hsmat

korman/properties/prop_object.py

@@ -51,14 +51,6 @@ class PlasmaObject(bpy.types.PropertyGroup):
                 o.plasma_object.page = page.name
                 break
 
-    def export(self, exporter, bl_obj):
-        """Plasma Object Export"""
-
-        # This is where the magic happens...
-        if self.enabled:
-            # TODO: Something more useful than a blank object.
-            exporter.mgr.add_object(plSceneObject, bl=bl_obj)
-
 
     enabled = BoolProperty(name="Export",
                            description="Export this as a discrete object",