148 lines
4.1 KiB
TypeScript
148 lines
4.1 KiB
TypeScript
import { makeAutoObservable, runInAction } from "mobx";
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import type { WorldState } from "./worldState";
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import { type ObjectInstance, type Pos3, type R3, type V3, type RuntimeScene } from "../types";
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import { createObjectInstance } from "../utils/object";
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import { randomId } from "../utils";
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import { state } from "./rootState";
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import { populateRuntimeObject } from "../utils/runtime";
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export const ObjectEditModeEnum = [
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'translate',
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'rotate',
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'scale',
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] as const;
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type ObjectEditModeTuple = typeof ObjectEditModeEnum;
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export type ObjectEditMode = ObjectEditModeTuple[number];
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export function nextObjectEditMode(mode: ObjectEditMode | undefined): ObjectEditMode {
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if (mode === undefined)
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return ObjectEditModeEnum[0];
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const idx = ObjectEditModeEnum.indexOf(mode);
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return ObjectEditModeEnum[(idx + 1) % ObjectEditModeEnum.length];
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}
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export const ObjectTypeEditModeEnum = [
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'scripts',
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] as const;
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type ObjectTypeEditModeTuple = typeof ObjectTypeEditModeEnum;
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export type ObjectTypeEditMode = ObjectTypeEditModeTuple[number];
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export function nextObjectTypeEditMode(mode: ObjectTypeEditMode | undefined): ObjectTypeEditMode {
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if (mode === undefined)
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return ObjectTypeEditModeEnum[0];
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const idx = ObjectTypeEditModeEnum.indexOf(mode);
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return ObjectTypeEditModeEnum[(idx + 1) % ObjectTypeEditModeEnum.length];
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}
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export type SelectedObject = {
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type: 'object',
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id: string;
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editMode: ObjectEditMode;
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}
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export type SelectedObjectType = {
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type: 'objectType',
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id: string;
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editMode: ObjectTypeEditMode;
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}
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export type Selection = SelectedObject | SelectedObjectType;
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export class WorldEditorState {
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private readonly world: WorldState;
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public selection: Selection | undefined;
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constructor(world: WorldState) {
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this.world = world;
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makeAutoObservable(this);
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}
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public get isEnabled(): boolean {
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return !state.game;
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}
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public setCamera(value: Pos3): void {
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this.world.data.editorCamera = value;
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}
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public setSelection(value: Selection | undefined): void {
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this.selection = value;
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}
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public setSelectedObject(value: Omit<SelectedObject, 'type'> | undefined): void {
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this.setSelection(value
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? {
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type: 'object',
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...value,
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}
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: undefined,
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);
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}
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public setSelectedObjectType(value: Omit<SelectedObjectType, 'type'> | undefined): void {
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this.setSelection(value
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? {
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type: 'objectType',
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...value,
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}
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: undefined,
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);
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}
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public resetSelection() {
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this.setSelection(undefined);
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}
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public get scene(): RuntimeScene {
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return this.world.data.initialScene;
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}
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public get camera(): Pos3 {
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return this.world.data.editorCamera;
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}
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public setObjectTransform(id: string, position: V3, rotation: R3, scale: V3): void {
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const obj = this.scene.objects[id];
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if (!obj)
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return;
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runInAction(() => { // all in one go
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obj.position = position;
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obj.rotation = rotation;
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obj.scale = scale;
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});
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}
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public addObjectInstanceAtRandomPosition(typeId: string): ObjectInstance {
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return this.addObjectInstance(
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typeId,
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{ x: Math.random() * 3, y: Math.random() * 3, z: Math.random() * 1 },
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);
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}
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public addObjectInstance(
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typeId: string,
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pos: { x: number; y: number; z: number; },
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): ObjectInstance {
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const obj = populateRuntimeObject(createObjectInstance(randomId(), typeId), this.world.data);
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obj.position = [pos.x, pos.y, pos.z];
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obj.rotation = [0, 0, 0];
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this.scene.objects[obj.id] = obj;
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this.setSelectedObject({ id: obj.id, editMode: 'translate' });
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return obj;
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}
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public deleteObject(objectId: string) {
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if (this.selection?.type ==='object' && this.selection.id === objectId)
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this.resetSelection();
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delete (this.scene.objects[objectId]);
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}
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}
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