init

scripts/Commandeer/trail/trailEngine.ts

@@ -0,0 +1,85 @@
+import { MolangVariableMap, Vector3, world } from "@minecraft/server";
+import { Vector3Add } from "../utils/vectorUtils";
+import { TrailType } from "./trailTypes";
+
+class TrailPoint {
+  postion: Vector3;
+  index: number;
+
+  constructor(position: Vector3, index: number) {
+    this.postion = position;
+    this.index = index;
+  }
+
+  spawn() {
+    // let spawnPosition: Vector3 = Vector3Add(this.postion, { x: 0.5, y: 0.5, z: 0.5 });
+    let spawnPosition: Vector3 = this.postion;
+    try {
+      world
+        .getDimension("overworld")
+        .spawnParticle("minecraft:balloon_gas_particle", spawnPosition, new MolangVariableMap());
+    } catch (e) {}
+  }
+}
+
+class Trail {
+  id: string;
+  points: TrailPoint[] = [];
+  currentPoint: number = 0;
+  wrapIndex: number = 0;
+  nextParticleTimer: number = 0;
+  currentParticleCounter: number = 0;
+
+  calculatedLength: number = 0;
+  constructor(id: string, nextParticleTimer: number = 5, wrapIndex: number = 0) {
+    this.id = id;
+    this.nextParticleTimer = nextParticleTimer;
+    this.wrapIndex = wrapIndex;
+  }
+
+  addPoint(point: TrailPoint) {
+    this.points.push(point);
+
+    //this could be a one liner,
+    let maxlength: number = 0;
+    this.points.forEach((point) => {
+      if (point.index > maxlength) {
+        maxlength = point.index;
+      }
+    });
+    this.calculatedLength = maxlength;
+  }
+
+  fromTrail(trail: TrailType) {
+    trail.points.forEach((point) => {
+      this.addPoint(new TrailPoint(point.position, point.index));
+    });
+  }
+
+  spawnNext() {
+    if (this.currentParticleCounter >= this.nextParticleTimer) {
+      this.currentParticleCounter = 0;
+      //wrapindex is in how many segments the trail is divided into
+      let pointsPerInterval = this.wrapIndex > 0 ? this.calculatedLength / this.wrapIndex : 0;
+      this.points
+        .filter((point) => {
+          return (
+            point.index === this.currentPoint ||
+            (this.wrapIndex > 0 && point.index % pointsPerInterval === this.currentPoint)
+          );
+        })
+        .forEach((point) => {
+          point.spawn();
+        });
+
+      this.currentPoint++;
+      if (this.currentPoint >= this.calculatedLength) {
+        this.currentPoint = 0;
+      }
+    } else {
+      this.currentParticleCounter++;
+    }
+  }
+}
+
+export { Trail, TrailPoint };

scripts/Commandeer/trail/trailMaker.ts

@@ -0,0 +1,212 @@
+import {
+  Block,
+  ChatSendAfterEvent,
+  EntityInventoryComponent,
+  ItemStack,
+  ItemUseOnBeforeEvent,
+  MolangVariableMap,
+  Player,
+  world,
+} from "@minecraft/server";
+import { Vector3 } from "@minecraft/server";
+import { Vector3Add, Vector3ToString, vector3 } from "../utils/vectorUtils";
+import { spawnParticle } from "../utils/particleUtils";
+import Pupeteer from "../pupeteer";
+import Chalk from "../chalk";
+
+export namespace TrailMaker {
+  export class Maker {
+    currentTrail: Trail;
+    log: Map<string, number> = new Map();
+    selectedIndex: number = 0;
+
+    //Line
+    point1: Vector3 = vector3(0, 0, 0);
+    point2: Vector3 = vector3(0, 0, 0);
+
+    waitingForPoint2: boolean = false;
+
+    OnChat(event: ChatSendAfterEvent) {
+      if (event.message == "!trailWand") {
+        let item: ItemStack = new ItemStack("minecraft:stick");
+        item.nameTag = "AddPoint";
+        Pupeteer.givePlayerItem(event.sender as Player, item);
+        world.sendMessage("Thou shall have the Trailing Powah");
+      }
+      if (event.message == "!trailDeleteWand") {
+        let item: ItemStack = new ItemStack("minecraft:stick");
+        item.nameTag = "DeletePoint";
+        Pupeteer.givePlayerItem(event.sender as Player, item);
+        world.sendMessage("Luke, i'm NOT your father");
+      }
+      if (event.message == "!trailLineWand") {
+        let item: ItemStack = new ItemStack("minecraft:stick");
+        item.nameTag = "AddLine";
+        Pupeteer.givePlayerItem(event.sender as Player, item);
+        world.sendMessage(`This is where i draw the ${Chalk.red("Line")} >:(`);
+      }
+      if (event.message == "!trailExport") {
+        this.Export();
+      }
+    }
+    OnItemUse(event: ItemUseOnBeforeEvent) {
+      const currentItemHeld: ItemStack = event.itemStack;
+      const blockInteracted: Block = event.block;
+      const player: Player = event.source as Player;
+      const oldLog = this.log.get(player.name)!;
+      this.log.set(player.name, Date.now());
+      if (oldLog + 150 >= Date.now()) return;
+
+      if (event.itemStack.typeId == "minecraft:stick" && event.itemStack.nameTag == "AddPoint") {
+        let block = event.block;
+        let pos = this.BlockToParticlePosition(block);
+        world.sendMessage(`Added Point ${Vector3ToString(pos)}`);
+        this.currentTrail.points.push(new Point(pos, this.currentTrail.currentPoint));
+
+        this.currentTrail.currentPoint++;
+        Pupeteer.setActionBarTimed(`Added point ${this.currentTrail.currentPoint}`, 3);
+      }
+
+      if (event.itemStack.typeId == "minecraft:stick" && event.itemStack.nameTag == "DeletePoint") {
+        let block = event.block;
+        let pos = this.BlockToParticlePosition(block);
+
+        let point = this.currentTrail.points.find((point) => Vector3ToString(point.position) == Vector3ToString(pos));
+        if (point) {
+          this.currentTrail.points.splice(this.currentTrail.points.indexOf(point), 1);
+          Pupeteer.setActionBarTimed(`Deleted point ${point.index}`, 3);
+        } else {
+          Pupeteer.setActionBarTimed(`No point found`, 3);
+        }
+      }
+
+      if (event.itemStack.typeId == "minecraft:stick" && event.itemStack.nameTag == "AddLine") {
+        world.sendMessage(`Waiting for point 2: ${this.waitingForPoint2}`);
+        if (!this.waitingForPoint2) {
+          // this.point1 = vector3(blockInteracted.location.x, blockInteracted.location.y, blockInteracted.location.z);
+          this.point1 = this.BlockToParticlePosition(blockInteracted);
+
+          this.waitingForPoint2 = true;
+          Pupeteer.setActionBar("Select a second point");
+          world.sendMessage("Select a second point");
+
+          return;
+        } else {
+          this.point2 = this.BlockToParticlePosition(blockInteracted);
+
+          //Calculate the blocks between these 2 points, andd add them to the trail
+          //Assume point1 is the start, and point2 is the end
+          let x1 = this.point1.x;
+          let x2 = this.point2.x;
+          let y1 = this.point1.y;
+          let y2 = this.point2.y;
+          let z1 = this.point1.z;
+          let z2 = this.point2.z;
+
+          //Find out what axis is the movement on, throw an error if it's on more than one axis
+
+          let xDiff = Math.abs(x2 - x1);
+          let yDiff = Math.abs(y2 - y1);
+          let zDiff = Math.abs(z2 - z1);
+
+          let axis = "";
+
+          if (xDiff > 0 && yDiff == 0 && zDiff == 0) {
+            axis = "x";
+          } else if (xDiff == 0 && yDiff > 0 && zDiff == 0) {
+            axis = "y";
+          } else if (xDiff == 0 && yDiff == 0 && zDiff > 0) {
+            axis = "z";
+          } else {
+            Pupeteer.setActionBarTimed("Invalid line", 3);
+            return;
+          }
+
+          let start = 0;
+          let end = 0;
+
+          if (axis == "x") {
+            start = Math.min(x1, x2);
+            end = Math.max(x1, x2);
+          } else if (axis == "y") {
+            start = Math.min(y1, y2);
+            end = Math.max(y1, y2);
+          } else if (axis == "z") {
+            start = Math.min(z1, z2);
+            end = Math.max(z1, z2);
+          }
+
+          for (let i = start; i <= end; i++) {
+            let pos = vector3(0, 0, 0);
+            if (axis == "x") {
+              pos = vector3(i, y1, z1);
+            } else if (axis == "y") {
+              pos = vector3(x1, i, z1);
+            } else if (axis == "z") {
+              pos = vector3(x1, y1, i);
+            }
+
+            this.currentTrail.points.push(new Point(pos, this.currentTrail.currentPoint));
+            this.currentTrail.currentPoint++;
+          }
+
+          this.waitingForPoint2 = false;
+          Pupeteer.setActionBarTimed("Added line", 3);
+        }
+      }
+    }
+
+    Update() {
+      this.currentTrail.points.forEach((point) => {
+        spawnParticle(point.position, "minecraft:balloon_gas_particle", new MolangVariableMap());
+      });
+    }
+
+    Export() {
+      let output = "";
+      for (let i = 0; i < this.currentTrail.points.length; i++) {
+        let point = this.currentTrail.points[i];
+        let actualPos = point.position;
+        output += `{ index: ${point.index}, position: vector3(${actualPos.x}, ${actualPos.y}, ${actualPos.z}) },\n`;
+      }
+      console.warn(output);
+    }
+
+    private BlockToParticlePosition(block: Block): Vector3 {
+      let pos = vector3(block.location.x, block.location.y, block.location.z);
+      pos = Vector3Add(pos, vector3(0.5, 0, 0.5));
+      //If block is a slab or stair, offset by half a block
+
+      let isHalfBlock = block.typeId.includes("slab") || block.typeId.includes("stair");
+      if (isHalfBlock) {
+        pos = Vector3Add(pos, vector3(0, 0.5, 0));
+      } else {
+        pos = Vector3Add(pos, vector3(0, 1.1, 0));
+      }
+      return pos;
+    }
+
+    constructor() {
+      this.currentTrail = new Trail();
+    }
+  }
+
+  class Trail {
+    points: Point[] = [];
+    currentPoint: number = 0;
+    nextParticleTimer: number = 0;
+    currentParticleCounter: number = 0;
+
+    constructor() {}
+  }
+
+  class Point {
+    position: Vector3;
+    index: number;
+
+    constructor(position: Vector3, index: number) {
+      this.position = position;
+      this.index = index;
+    }
+  }
+}

scripts/Commandeer/trail/trailTypes.ts

@@ -0,0 +1,13 @@
+import { Vector3 } from "@minecraft/server";
+
+type TrailPointType = {
+  index: number;
+  position: Vector3;
+};
+
+type TrailType = {
+  name: string;
+  points: TrailPointType[];
+};
+
+export { TrailPointType, TrailType };