{LYN5384} splitting Blast builder and processor Python scripts (#4712)
splitting the asset builder and asset processor Python scripts for the Blast processor This fixes a mulitiple build issue found while developing other scripts Signed-off-by: jackalbe <23512001+jackalbe@users.noreply.github.com>monroegm-disable-blank-issue-2
Allen Jackson
4 years ago
committed by
GitHub
parent
716c561cb7
commit
d84bb6a72f
@ -0,0 +1,141 @@
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"""
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Copyright (c) Contributors to the Open 3D Engine Project. For complete copyright and license terms please see the LICENSE at the root of this distribution.
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SPDX-License-Identifier: Apache-2.0 OR MIT
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"""
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"""
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This a Python Asset Builder script examines each .blast file to see if an
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associated .fbx file needs to be processed by exporting all of its chunks
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into a scene manifest
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This is also a SceneAPI script that executes from a foo.fbx.assetinfo scene
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manifest that writes out asset chunk data for .blast files
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"""
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import os, traceback, binascii, sys, json, pathlib
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import azlmbr.math
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import azlmbr.asset
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import azlmbr.asset.entity
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import azlmbr.asset.builder
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import azlmbr.bus
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#
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# SceneAPI Processor
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#
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blastChunksAssetType = azlmbr.math.Uuid_CreateString('{993F0B0F-37D9-48C6-9CC2-E27D3F3E343E}', 0)
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def export_chunk_asset(scene, outputDirectory, platformIdentifier, productList):
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import azlmbr.scene
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import azlmbr.object
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import azlmbr.paths
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import json, os
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jsonFilename = os.path.basename(scene.sourceFilename)
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jsonFilename = os.path.join(outputDirectory, jsonFilename + '.blast_chunks')
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# prepare output folder
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basePath, _ = os.path.split(jsonFilename)
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outputPath = os.path.join(outputDirectory, basePath)
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if not os.path.exists(outputPath):
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os.makedirs(outputPath, False)
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# write out a JSON file with the chunk file info
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with open(jsonFilename, "w") as jsonFile:
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jsonFile.write(scene.manifest.ExportToJson())
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exportProduct = azlmbr.scene.ExportProduct()
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exportProduct.filename = jsonFilename
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exportProduct.sourceId = scene.sourceGuid
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exportProduct.assetType = blastChunksAssetType
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exportProduct.subId = 101
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exportProductList = azlmbr.scene.ExportProductList()
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exportProductList.AddProduct(exportProduct)
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return exportProductList
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def on_prepare_for_export(args):
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try:
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scene = args[0] # azlmbr.scene.Scene
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outputDirectory = args[1] # string
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platformIdentifier = args[2] # string
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productList = args[3] # azlmbr.scene.ExportProductList
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return export_chunk_asset(scene, outputDirectory, platformIdentifier, productList)
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except:
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log_exception_traceback()
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def get_mesh_node_names(sceneGraph):
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import azlmbr.scene as sceneApi
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import azlmbr.scene.graph
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from scene_api import scene_data as sceneData
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meshDataList = []
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node = sceneGraph.get_root()
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children = []
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while node.IsValid():
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# store children to process after siblings
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if sceneGraph.has_node_child(node):
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children.append(sceneGraph.get_node_child(node))
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# store any node that has mesh data content
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nodeContent = sceneGraph.get_node_content(node)
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if nodeContent is not None and nodeContent.CastWithTypeName('MeshData'):
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if sceneGraph.is_node_end_point(node) is False:
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nodeName = sceneData.SceneGraphName(sceneGraph.get_node_name(node))
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nodePath = nodeName.get_path()
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if (len(nodeName.get_path())):
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meshDataList.append(sceneData.SceneGraphName(sceneGraph.get_node_name(node)))
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# advance to next node
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if sceneGraph.has_node_sibling(node):
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node = sceneGraph.get_node_sibling(node)
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elif children:
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node = children.pop()
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else:
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node = azlmbr.scene.graph.NodeIndex()
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return meshDataList
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def update_manifest(scene):
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import uuid, os
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import azlmbr.scene as sceneApi
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import azlmbr.scene.graph
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from scene_api import scene_data as sceneData
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graph = sceneData.SceneGraph(scene.graph)
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meshNameList = get_mesh_node_names(graph)
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sceneManifest = sceneData.SceneManifest()
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sourceFilenameOnly = os.path.basename(scene.sourceFilename)
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sourceFilenameOnly = sourceFilenameOnly.replace('.','_')
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for activeMeshIndex in range(len(meshNameList)):
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chunkName = meshNameList[activeMeshIndex]
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chunkPath = chunkName.get_path()
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meshGroupName = '{}_{}'.format(sourceFilenameOnly, chunkName.get_name())
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meshGroup = sceneManifest.add_mesh_group(meshGroupName)
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meshGroup['id'] = '{' + str(uuid.uuid5(uuid.NAMESPACE_DNS, sourceFilenameOnly + chunkPath)) + '}'
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sceneManifest.mesh_group_select_node(meshGroup, chunkPath)
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return sceneManifest.export()
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sceneJobHandler = None
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def on_update_manifest(args):
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try:
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scene = args[0]
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return update_manifest(scene)
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except:
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global sceneJobHandler
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sceneJobHandler = None
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log_exception_traceback()
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# try to create SceneAPI handler for processing
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try:
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import azlmbr.scene as sceneApi
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if (sceneJobHandler == None):
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sceneJobHandler = sceneApi.ScriptBuildingNotificationBusHandler()
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sceneJobHandler.connect()
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sceneJobHandler.add_callback('OnUpdateManifest', on_update_manifest)
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sceneJobHandler.add_callback('OnPrepareForExport', on_prepare_for_export)
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except:
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sceneJobHandler = None
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