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Roberto De Ioris
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added kaiju_builder.py example
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‎examples/kaiju_builder.py‎

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import unreal_engine as ue
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from unreal_engine.classes import PyFbxFactory, TextureFactory, Material, Actor
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from unreal_engine import FVector, FRotator
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from unreal_engine.enums import EFBXImportType
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import os.path
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import time
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# in which content folder to store the new assets
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kaiju_destination = '/Game/Kaiju'
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# the path from where new assets are loaded
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kaiju_source = os.path.expanduser('~/Desktop')
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# an fbx skeletal mesh
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kaiju_mesh = 'slicer_tpose.fbx'
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# textures (from substance designer)
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kaiju_textures = ['slicer_BaseColor.tga', 'slicer_Emissive.tga', 'slicer_Normal.tga', 'slicer_OcclusionRoughnessMetallic.tga']
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# an fbx skeletal animation
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kaiju_animation = 'slicer_walking.fbx'
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# start configuring the mesh importer
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factory = PyFbxFactory()
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factory.ImportUI.bCreatePhysicsAsset = False
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factory.ImportUI.bImportMaterials = False
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factory.ImportUI.bImportTextures = False
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factory.ImportUI.bImportAnimations = False
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# scale the mesh
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factory.ImportUI.SkeletalMeshImportData.ImportUniformScale = 0.1;
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# import the mesh
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mesh = factory.factory_import_object(os.path.join(kaiju_source, kaiju_mesh), kaiju_destination)
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# start configurint the texture importer
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texture_factory = TextureFactory()
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imported_textures = []
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for texture in kaiju_textures:
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imported_texture = texture_factory.factory_import_object(os.path.join(kaiju_source, texture), kaiju_destination)
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imported_textures.append(imported_texture)
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mat = Material()
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#mat.set_name('kaiju_Material_' + str(time.time()))
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mat.save_package(kaiju_destination + '/kaiju_Material')
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from unreal_engine.classes import MaterialExpressionTextureSample, Texture2D, MaterialExpressionConstant3Vector, MaterialExpressionSine, MaterialExpressionMultiply, MaterialExpressionTime, Skeleton, Character
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from unreal_engine.structs import ColorMaterialInput, ScalarMaterialInput, ExpressionInput, VectorMaterialInput, SingleAnimationPlayData
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from unreal_engine.enums import EMaterialSamplerType, EAnimationMode
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# inform the editor you want to modify the new material
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mat.modify()
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# build the material graph
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sample_base_color = MaterialExpressionTextureSample('', mat)
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sample_base_color.Texture = imported_textures[0]
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sample_base_color.MaterialExpressionEditorX = -400
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sample_base_color.MaterialExpressionEditorY = 0
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sample_emissive = MaterialExpressionTextureSample('', mat)
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sample_emissive.Texture = imported_textures[1]
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sample_emissive.MaterialExpressionEditorX = -600
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sample_emissive.MaterialExpressionEditorY = 0
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sample_normal = MaterialExpressionTextureSample('', mat)
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sample_normal.Texture = imported_textures[2]
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sample_normal.SamplerType = EMaterialSamplerType.SAMPLERTYPE_Normal
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sample_normal.MaterialExpressionEditorX = -400
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sample_normal.MaterialExpressionEditorY = 400
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sample_orm = MaterialExpressionTextureSample('', mat)
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sample_orm.Texture = imported_textures[3]
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sample_orm.MaterialExpressionEditorX = -600
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sample_orm.MaterialExpressionEditorY = 400
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sine = MaterialExpressionSine('', mat)
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sine.MaterialExpressionEditorX = -1000
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sine.MaterialExpressionEditorY = 0
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time = MaterialExpressionTime('', mat)
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time.MaterialExpressionEditorX = -1200
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time.MaterialExpressionEditorY = 0
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multiply = MaterialExpressionMultiply('', mat)
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multiply.MaterialExpressionEditorX = -800
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multiply.MaterialExpressionEditorY = 0
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mat.Expressions = [sample_base_color, sample_emissive, sample_normal, sample_orm, time, sine, multiply]
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sine.Input = ExpressionInput(Expression=time)
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multiply.A = ExpressionInput(Expression=sample_emissive)
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multiply.B = ExpressionInput(Expression=sine)
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mat.BaseColor = ColorMaterialInput(Expression=sample_base_color)
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mat.EmissiveColor = ColorMaterialInput(Expression=multiply)
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mat.Normal = VectorMaterialInput(Expression=sample_normal)
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mat.Roughness = ScalarMaterialInput(Expression=sample_orm, Mask=1, MaskG=1)
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mat.Metallic = ScalarMaterialInput(Expression=sample_orm, Mask=1, MaskB=1)
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mat.AmbientOcclusion = ScalarMaterialInput(Expression=sample_orm, Mask=1, MaskR=1)
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# run material compilatiom
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mat.post_edit_change()
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# re-save it
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mat.save_package()
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# import the animation
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anim_factory = PyFbxFactory()
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anim_factory.ImportUI.Skeleton = mesh.Skeleton
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anim_factory.ImportUI.bImportMesh = False
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anim_factory.ImportUI.bImportMaterials = False
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anim_factory.ImportUI.bImportTextures = False
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anim_factory.ImportUI.AnimSequenceImportData.ImportUniformScale = 0.1;
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animation = anim_factory.factory_import_object(os.path.join(kaiju_source, kaiju_animation), kaiju_destination)
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new_blueprint = ue.create_blueprint(Character, kaiju_destination + '/Kaiju_BP')
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new_blueprint.GeneratedClass.get_cdo().Mesh.SkeletalMesh = mesh
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new_blueprint.GeneratedClass.get_cdo().Mesh.RelativeLocation = FVector(0, 0, -140)
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new_blueprint.GeneratedClass.get_cdo().Mesh.RelativeRotation = FRotator(0, 0, -90)
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new_blueprint.GeneratedClass.get_cdo().CapsuleComponent.CapsuleHalfHeight = 150
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new_blueprint.GeneratedClass.get_cdo().CapsuleComponent.CapsuleRadius = 50
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new_blueprint.GeneratedClass.get_cdo().Mesh.OverrideMaterials = [None, mat]
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new_blueprint.GeneratedClass.get_cdo().Mesh.AnimationMode = EAnimationMode.AnimationSingleNode
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new_blueprint.GeneratedClass.get_cdo().Mesh.AnimationData = SingleAnimationPlayData(AnimToPlay=animation)
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# move forward
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tick = new_blueprint.UberGraphPages[0].graph_add_node_event(Actor, 'ReceiveTick')
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add_movement_input = new_blueprint.UberGraphPages[0].graph_add_node_call_function(Character.AddMovementInput)
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add_movement_input.node_find_pin('WorldDirection').default_value = '1,0,0'
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tick.node_find_pin('then').make_link_to(add_movement_input.node_find_pin('execute'))
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ue.compile_blueprint(new_blueprint)
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world = ue.get_editor_world()
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new_actor = world.actor_spawn(new_blueprint.GeneratedClass, FVector(0, 0, 150))
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ue.editor_save_all()

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