break; } if ( ! targetObject.material ) { error( 'PropertyBinding: Can not bind to material as node does not have a material.', this ); return; } if ( ! targetObject.material.map ) { error( 'PropertyBinding: Can not bind to material.map as node.material does not have a map.', this ); return; } targetObject = targetObject.material.map; break; default: if ( targetObject[ objectName ] === undefined ) { error( 'PropertyBinding: Can not bind to objectName of node undefined.', this ); return; } targetObject = targetObject[ objectName ]; } if ( objectIndex !== undefined ) { if ( targetObject[ objectIndex ] === undefined ) { error( 'PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.', this, targetObject ); return; } targetObject = targetObject[ objectIndex ]; } } // resolve property const nodeProperty = targetObject[ propertyName ]; if ( nodeProperty === undefined ) { const nodeName = parsedPath.nodeName; error( 'PropertyBinding: Trying to update property for track: ' + nodeName + '.' + propertyName + ' but it wasn\'t found.', targetObject ); return; } // determine versioning scheme let versioning = this.Versioning.None; this.targetObject = targetObject; if ( targetObject.isMaterial === true ) { versioning = this.Versioning.NeedsUpdate; } else if ( targetObject.isObject3D === true ) { versioning = this.Versioning.MatrixWorldNeedsUpdate; } // determine how the property gets bound let bindingType = this.BindingType.Direct; if ( propertyIndex !== undefined ) { // access a sub element of the property array (only primitives are supported right now) if ( propertyName === 'morphTargetInfluences' ) { // potential optimization, skip this if propertyIndex is already an integer, and convert the integer string to a true integer. // support resolving morphTarget names into indices. if ( ! targetObject.geometry ) { error( 'PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.', this ); return; } if ( ! targetObject.geometry.morphAttributes ) { error( 'PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.', this ); return; } if ( targetObject.morphTargetDictionary[ propertyIndex ] !== undefined ) { propertyIndex = targetObject.morphTargetDictionary[ propertyIndex ]; } } bindingType = this.BindingType.ArrayElement; this.resolvedProperty = nodeProperty; this.propertyIndex = propertyIndex; } else if ( nodeProperty.fromArray !== undefined && nodeProperty.toArray !== undefined ) { // must use copy for Object3D.Euler/Quaternion bindingType = this.BindingType.HasFromToArray; this.resolvedProperty = nodeProperty; } else if ( Array.isArray( nodeProperty ) ) { bindingType = this.BindingType.EntireArray; this.resolvedProperty = nodeProperty; } else { this.propertyName = propertyName; } // select getter / setter this.getValue = this.GetterByBindingType[ bindingType ]; this.setValue = this.SetterByBindingTypeAndVersioning[ bindingType ][ versioning ]; } /** * Unbinds the property. */ unbind() { this.node = null; // back to the prototype version of getValue / setValue // note: avoiding to mutate the shape of 'this' via 'delete' this.getValue = this._getValue_unbound; this.setValue = this._setValue_unbound; } } PropertyBinding.Composite = Composite; PropertyBinding.prototype.BindingType = { Direct: 0, EntireArray: 1, ArrayElement: 2, HasFromToArray: 3 }; PropertyBinding.prototype.Versioning = { None: 0, NeedsUpdate: 1, MatrixWorldNeedsUpdate: 2 }; PropertyBinding.prototype.GetterByBindingType = [ PropertyBinding.prototype._getValue_direct, PropertyBinding.prototype._getValue_array, PropertyBinding.prototype._getValue_arrayElement, PropertyBinding.prototype._getValue_toArray, ]; PropertyBinding.prototype.SetterByBindingTypeAndVersioning = [ [ // Direct PropertyBinding.prototype._setValue_direct, PropertyBinding.prototype._setValue_direct_setNeedsUpdate, PropertyBinding.prototype._setValue_direct_setMatrixWorldNeedsUpdate, ], [ // EntireArray PropertyBinding.prototype._setValue_array, PropertyBinding.prototype._setValue_array_setNeedsUpdate, PropertyBinding.prototype._setValue_array_setMatrixWorldNeedsUpdate, ], [ // ArrayElement PropertyBinding.prototype._setValue_arrayElement, PropertyBinding.prototype._setValue_arrayElement_setNeedsUpdate, PropertyBinding.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate, ], [ // HasToFromArray PropertyBinding.prototype._setValue_fromArray, PropertyBinding.prototype._setValue_fromArray_setNeedsUpdate, Propert