move entity definitions to templates

src/entity.js

@@ -1,18 +1,12 @@
 import { Vector2 } from 'three'
+import Pathfind from './pathfind.js'
 import SAT from 'sat'
 import SATX from './satx.js'
-import Pathfind from './pathfind.js'
-import Ability from './ability.js'
 import Team from './team.js'
 
 export default class Entity {
   id = crypto.randomUUID()
-  abilities = [
-    Ability.rangedAttack,
-    Ability.straightShot,
-    Ability.shieldThrow,
-    Ability.blink,
-  ]
+  abilities = [null, null, null, null] // TODO: do something about this being an array...
   casting = null
   cooldowns = {}
   dead = false
@@ -22,6 +16,7 @@ export default class Entity {
   radius = 0
   speed = 400
   team = Team.neutral
+  memory = {} // TODO: WARNING: currently only used for minions (code smell?)
 
   #attacking = false
   #dest = null

src/game.js

@@ -1,7 +1,7 @@
 import { EventEmitter } from 'node:events'
 import Entity from './entity.js'
-import Terrain from './terrain.js'
 import Projectile from './projectile.js'
+import Terrain from './terrain.js'
 
 export default class Game {
   tickRate = 30

src/index.js

@@ -1,11 +1,12 @@
-import express from 'express'
-import { WebSocketExpress } from 'websocket-express'
-import Game from './game.js'
-import Entity from './entity.js'
-import Terrain from './terrain.js'
 import { Vector2 } from 'three'
-import Team from './team.js'
+import { WebSocketExpress } from 'websocket-express'
 import Ability from './ability.js'
+import Entity from './entity.js'
+import express from 'express'
+import Game from './game.js'
+import Team from './team.js'
+import Template from './template.js'
+import Terrain from './terrain.js'
 
 const app = new WebSocketExpress()
 const port = 1280
@@ -58,39 +59,22 @@ app.ws('/ws', async (req, res) => {
 })
 
 function laneScenario() {
-  // TODO: proper respawn
-  const playerLogic = function playerLogic() {
-    const entity = this
-    if (entity.dead) {
-      entity.respawn()
-    }
-  }
-
-  const playerTemplate = {
-    height: 80,
-    logic: playerLogic,
-    maxHealth: 600,
-    spawnPosition: new Vector2(500, 150),
-    radius: 65,
-  }
-
-  const entity1 = new Entity({
-    ...playerTemplate,
+  const player1 = new Entity(Template.player({
     id: '1',
     spawnPosition: new Vector2(500, 150),
     team: Team.blue,
-  })
+  }))
+  game.spawnEntity(player1)
 
-  game.spawnEntity(entity1)
-
-  const entity2 = new Entity({
-    ...playerTemplate,
+  const player2 = new Entity(Template.player({
     id: '2',
     spawnPosition: new Vector2(1600, 1800),
     team: Team.red,
-  })
+  }))
+  game.spawnEntity(player2)
 
-  game.spawnEntity(entity2)
+  player1.attackAction(500, 150)
+  player2.attackAction(1600, 1800)
 
   const midWallStart = new Vector2(400, 400)
   const midWallEnd = new Vector2(1600, 1600)
@@ -117,106 +101,19 @@ function laneScenario() {
   midSouthWall.id = 'midSouthWall'
   game.addTerrain(midSouthWall)
 
-  const minionLogic = (team) => {
-    const finalGoal = team == Team.blue ? new Vector2(1900, 1900) : new Vector2(100, 100)
-    const subGoal = new Vector2(850, 1150)
-    const subGoalCheck = team == Team.blue ? ((entity) => entity.position.x < 800 || entity.position.y < 1100) : ((entity) => entity.position.x > 900 || entity.position.y > 1200)
-
-    return function builtMinionLogic() {
-      const entity = this
-      if (entity.dead) { entity.despawn() }
-
-      let goal = finalGoal
-      if (subGoalCheck(entity)) {
-        goal = subGoal
-      }
-
-      const direction = goal.clone().sub(entity.position).normalize().multiplyScalar(100)
-      const fakeDestination = entity.position.clone().add(direction)
-      entity.attackAction(fakeDestination.x, fakeDestination.y)
-    }
-  }
-
-  const minionTemplate = {
-    height: 40,
-    maxHealth: 300,
-    radius: 48,
-    speed: 325,
-  }
-
-  const meleeMinionTemplate = {
-    ...minionTemplate,
-    height: 38,
-    radius: 46,
-    maxHealth: 450,
-  }
-
   const gameLogic = function gameLogic() {
     const game = this
-    
-    const blueMinion = new Entity({
-      ...minionTemplate,
-      logic: minionLogic(Team.blue),
-      team: Team.blue,
-      position: new Vector2(200, 200),
-    })
-    
-    const blueMeleeMinion = new Entity({
-      ...meleeMinionTemplate,
-      logic: minionLogic(Team.blue),
-      team: Team.blue,
-      position: new Vector2(200, 200),
-    })
-    blueMeleeMinion.abilities[0] = Ability.meleeAttack
 
-    const redMinion = new Entity({
-      ...minionTemplate,
-      logic: minionLogic(Team.red),
-      team: Team.red,
-      position: new Vector2(1800, 1800),
-    })
-
-    const redMeleeMinion = new Entity({
-      ...meleeMinionTemplate,
-      logic: minionLogic(Team.red),
-      team: Team.red,
-      position: new Vector2(1800, 1800),
-    })
-    redMeleeMinion.abilities[0] = Ability.meleeAttack
-
-    if (game.currentTick % (30 * game.tickRate) == (0 * game.tickRate)) {
-      game.spawnEntity(blueMeleeMinion)
-      game.spawnEntity(redMeleeMinion)
+    if ([(0 * game.tickRate), (1 * game.tickRate), (2 * game.tickRate)].includes(game.currentTick % (30 * game.tickRate))) {
+      game.spawnEntity(new Entity(Template.minion(Team.blue, { ranged: false })))
+      game.spawnEntity(new Entity(Template.minion(Team.red, { ranged: false })))
     }
 
-    if (game.currentTick % (30 * game.tickRate) == (1 * game.tickRate)) {
-      game.spawnEntity(blueMeleeMinion)
-      game.spawnEntity(redMeleeMinion)
-    }
-
-    if (game.currentTick % (30 * game.tickRate) == (2 * game.tickRate)) {
-      game.spawnEntity(blueMeleeMinion)
-      game.spawnEntity(redMeleeMinion)
-    }
-
-    if (game.currentTick % (30 * game.tickRate) == (3 * game.tickRate)) {
-      game.spawnEntity(blueMinion)
-      game.spawnEntity(redMinion)
-    }
-
-    if (game.currentTick % (30 * game.tickRate) == (4 * game.tickRate)) {
-      game.spawnEntity(blueMinion)
-      game.spawnEntity(redMinion)
-    }
-
-    if (game.currentTick % (30 * game.tickRate) == (5 * game.tickRate)) {
-      game.spawnEntity(blueMinion)
-      game.spawnEntity(redMinion)
+    if ([(3 * game.tickRate), (4 * game.tickRate), (5 * game.tickRate)].includes(game.currentTick % (30 * game.tickRate))) {
+      game.spawnEntity(new Entity(Template.minion(Team.blue, { ranged: true })))
+      game.spawnEntity(new Entity(Template.minion(Team.red, { ranged: true })))
     }
   }
-
-  entity2.attackAction(1600, 1800)
-  entity1.attackAction(500, 150)
   game.logic = gameLogic
 }
 

src/pathfind.js

@@ -1,4 +1,3 @@
-import { Path, Vector2 } from 'three'
 import Entity from './entity.js'
 import PriorityQueue from './priority-queue.js'
 import SATX from './satx.js'

src/projectile.js

@@ -1,6 +1,6 @@
+import { Vector2 } from 'three'
 import SAT from 'sat'
 import SATX from './satx.js'
-import { Vector2 } from 'three'
 
 export default class Projectile {
   id = crypto.randomUUID()

src/satx.js

@@ -1,6 +1,6 @@
-import SAT from 'sat'
 import { Vector2 } from 'three'
 import Entity from './entity.js'
+import SAT from 'sat'
 
 export default class SATX {
   static clamp(vectorOrObject, maxX = Infinity, maxY = Infinity, radius = 0) {

src/template.js

@@ -0,0 +1,65 @@
+import { Vector2 } from 'three'
+import Ability from './ability.js'
+import Team from './team.js'
+
+export default class Template {
+  static minion(team, options = {}) {
+    return {
+      abilities: [options.ranged ? Ability.rangedAttack : Ability.meleeAttack, null, null, null],
+      height: options.ranged ? 40 : 38,
+      logic: this.#minionLogic(team),
+      maxHealth: options.ranged ? 300 : 450,
+      position: team == Team.blue ? new Vector2(200, 200) : new Vector2(1800, 1800),
+      radius: options.ranged ? 46 : 48,
+      speed: 325,
+      team,
+    }
+  }
+
+  static player(overrides) {
+    return {
+      abilities: [
+        Ability.rangedAttack,
+        Ability.straightShot,
+        Ability.shieldThrow,
+        Ability.blink,
+      ],
+      height: 80,
+      logic: this.#playerLogic,
+      maxHealth: 600,
+      spawnPosition: new Vector2(500, 150),
+      radius: 65,
+      ...overrides,
+    }
+  }
+
+  static #minionLogic(team) {
+    const finalGoal = team == Team.blue ? new Vector2(1900, 1900) : new Vector2(100, 100)
+    const subGoal = new Vector2(850, 1150)
+    const subGoalCheck = team == Team.blue ? ((entity) => entity.position.x < 800 || entity.position.y < 1100) : ((entity) => entity.position.x > 900 || entity.position.y > 1200)
+
+    return function builtMinionLogic() {
+      const entity = this
+      if (entity.dead) { entity.despawn() }
+
+      let goal = finalGoal
+      if (subGoalCheck(entity)) {
+        goal = subGoal
+      }
+
+      const direction = goal.clone().sub(entity.position).normalize().multiplyScalar(100)
+      const fakeDestination = entity.position.clone().add(direction)
+      entity.attackAction(fakeDestination.x, fakeDestination.y)
+    }
+  }
+
+  // TODO: proper respawn
+  static #playerLogic() {
+    return function playerLogic() {
+      const entity = this
+      if (entity.dead) {
+        entity.respawn()
+      }
+    }
+  }
+}

src/terrain.js

@@ -1,5 +1,5 @@
-import SAT from 'sat'
 import { Shape, ShapeUtils, Vector2 } from 'three'
+import SAT from 'sat'
 
 export default class Terrain {
   id = crypto.randomUUID()