TransformUnRedo.js
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import { EventDispatcher } from 'three';
import Undoredo from './Undoredo';
class MeshStatus {
constructor({
name = null,
matrix = null,
rotateCenter = null,
finalRotateAngle = null,
BoxHelper = null,
allMesh = []
}) {
this.name = name;
this.matrix = matrix;
this.rotateCenter = rotateCenter;
this.finalRotateAngle = finalRotateAngle;
this.BoxHelper = BoxHelper;
this.allMesh = allMesh;
}
}
class TransformUnRedo extends Undoredo {
constructor({ scene }) {
super();
this.scene = scene;
this.eventDispatcher = new EventDispatcher();
this.addEvents();
}
addEvents = () => {
document.addEventListener('keydown', this.keydown);
};
removeEvents = () => {
document.removeEventListener('keydown', this.keydown);
};
keydown = (e) => {
if (e.ctrlKey) {
switch (e.key) {
case 'z':
case 'Z':
this.doUndo();
break;
case 'y':
case 'Y':
this.doRedo();
break;
default:
break;
}
}
};
getSelectedMeshes = () => {
if (!this.scene) return [];
return this.scene.children.filter((el) => el.name.includes('active:') && el.isMesh /*&& el.selected*/);
};
register = () => {
const current_status = this.getCurrentStatus();
if (current_status.length > 0) {
this.currentStatusPush(current_status);
}
return {
isCanUndo: this.isUndo(),
isCanRedo: this.isRedo()
};
};
doUndo = () => {
const status = this.undo();
if (status.length > 0) {
const current_status = this.getCurrentStatus();
this.redoPush(current_status);
this.update(status, {
isCanUndo: this.isUndo(),
isCanRedo: this.isRedo()
});
}
};
doRedo = () => {
const status = this.redo();
if (status.length > 0) {
const current_status = this.getCurrentStatus();
this.undoPush(current_status);
this.update(status, {
isCanUndo: this.isUndo(),
isCanRedo: this.isRedo()
});
}
};
getCurrentStatus = () => {
const status = [];
// const meshes = this.getSelectedMeshes();
const allMesh = this.scene.children.filter((mesh) => mesh.name.includes('active:') && mesh.isMesh);
allMesh.forEach((el) => {
if (el.name && el.matrix && el.rotateCenter) {
status.push(
new MeshStatus({
name: el.name,
matrix: el.matrix.clone(),
rotateCenter: el.rotateCenter.clone(),
finalRotateAngle: { ...el.finalRotateAngle },
BoxHelper: el.BoxHelper,
allMesh
})
);
}
});
if (allMesh.length === 0) {
status.push(
new MeshStatus({
name: null,
matrix: null,
rotateCenter: null,
finalRotateAngle: null,
BoxHelper: null,
allMesh: []
})
);
}
return status;
};
update = (status, UnRedoEnabled) => {
const sceneMesh = this.scene.children.filter((el) => el.name.includes('active:') && el.isMesh);
status.forEach((el) => {
const { name, matrix, rotateCenter, finalRotateAngle, allMesh, BoxHelper } = el;
const mesh = sceneMesh.find((object) => object.name === name);
if (mesh && mesh.matrix && mesh.matrix !== matrix) {
mesh.matrix.copy(matrix);
mesh.rotateCenter.copy(rotateCenter);
mesh.finalRotateAngle = finalRotateAngle;
mesh.BoxHelper = BoxHelper;
}
if (sceneMesh.length > allMesh.length) {
this.eventDispatcher.dispatchEvent({
type: 'removeMeshOnScene',
message: { sceneMesh, allMesh }
});
} else {
const objects = allMesh.filter((element) => element.name === name);
if (objects.length > 0) {
objects.forEach((object) => {
object.BoxHelper = BoxHelper;
});
}
this.eventDispatcher.dispatchEvent({
type: 'addMeshToScene',
message: { allMesh }
});
}
});
this.eventDispatcher.dispatchEvent({
type: 'update',
message: { UnRedoEnabled }
});
};
}
export default TransformUnRedo;