// WRONG — compiles cleanly, runs, does NOTHING in-world
const t = Transform.getMutable(engine.PlayerEntity)
t.position.y += 0.1                      // ignored
t.position = Vector3.create(8, 0, 8)     // ignored
Transform.createOrReplace(engine.PlayerEntity, { ... }) // ignored

import { engine, Transform } from '@dcl/sdk/ecs'

function trackPlayer() {
	if (!Transform.has(engine.PlayerEntity)) return

	const playerTransform = Transform.get(engine.PlayerEntity)
	console.log('Player position:', playerTransform.position)
	console.log('Player rotation:', playerTransform.rotation)
}

engine.addSystem(trackPlayer)

import { Vector3 } from '@dcl/sdk/math'

function proximityCheck() {
	const playerPos = Transform.get(engine.PlayerEntity).position
	const npcPos = Transform.get(npcEntity).position
	const distance = Vector3.distance(playerPos, npcPos)

	if (distance < 5) {
		console.log('Player is near the NPC')
	}
}

engine.addSystem(proximityCheck)

import { getPlayer } from '@dcl/sdk/src/players'

function main() {
	const player = getPlayer()
	if (player) {
		console.log('Name:', player.name)
		console.log('User ID:', player.userId)
		console.log('Is guest:', player.isGuest)
	}
}

GET https://peer.decentraland.org/lambdas/profile/<wallet-address>

import {
	engine,
	Transform,
	GltfContainer,
	AvatarAttach,
	AvatarAnchorPointType,
} from '@dcl/sdk/ecs'

const hat = engine.addEntity()
GltfContainer.create(hat, { src: 'models/hat.glb' })
Transform.create(hat, {})

// Attach to the local player's avatar
AvatarAttach.create(hat, {
	anchorPointId: AvatarAnchorPointType.AAPT_NAME_TAG,
})

import { engine, Transform, GltfContainer, CameraModeArea, CameraType } from '@dcl/sdk/ecs'
import { Vector3, Quaternion } from '@dcl/sdk/math'

const gun = engine.addEntity()
GltfContainer.create(gun, { src: 'assets/Models/blaster.glb' })
Transform.create(gun, {
	parent: engine.CameraEntity,           // gun follows camera (yaw + pitch) — aim tracks where you look
	position: Vector3.create(0.25, -0.2, 0.5), // right, down, forward of camera
	rotation: Quaternion.fromEulerDegrees(0, 0, 0),
	scale: Vector3.One(),
})

// WRONG — gun jitters with every idle/walk/gesture animation frame
AvatarAttach.create(gun, {
	anchorPointId: AvatarAnchorPointType.AAPT_RIGHT_HAND,
})

// SUBTLY WRONG for a gun — looks correct in hip-fire, fails the moment the player aims up
Transform.create(gun, { parent: engine.PlayerEntity, position: ... })

AvatarAnchorPointType.AAPT_NAME_TAG // Above the head
AvatarAnchorPointType.AAPT_RIGHT_HAND // Right hand
AvatarAnchorPointType.AAPT_LEFT_HAND // Left hand
AvatarAnchorPointType.AAPT_POSITION // [DEPRECATED] Avatar root position — protocol recommends parenting to `engine.PlayerEntity` (body-fixed) or `engine.CameraEntity` (aim-sensitive) instead
AvatarAnchorPointType.AAPT_HEAD
AvatarAnchorPointType.AAPT_NECK
AvatarAnchorPointType.AAPT_SPINE
AvatarAnchorPointType.AAPT_SPINE1
AvatarAnchorPointType.AAPT_SPINE2
AvatarAnchorPointType.AAPT_HIP
AvatarAnchorPointType.AAPT_LEFT_SHOULDER
AvatarAnchorPointType.AAPT_LEFT_ARM
AvatarAnchorPointType.AAPT_LEFT_FOREARM
AvatarAnchorPointType.AAPT_LEFT_HAND_INDEX
AvatarAnchorPointType.AAPT_RIGHT_SHOULDER
AvatarAnchorPointType.AAPT_RIGHT_ARM
AvatarAnchorPointType.AAPT_RIGHT_FOREARM
AvatarAnchorPointType.AAPT_RIGHT_HAND_INDEX
AvatarAnchorPointType.AAPT_LEFT_UP_LEG
AvatarAnchorPointType.AAPT_LEFT_LEG
AvatarAnchorPointType.AAPT_LEFT_FOOT
AvatarAnchorPointType.AAPT_LEFT_TOE_BASE
AvatarAnchorPointType.AAPT_RIGHT_UP_LEG
AvatarAnchorPointType.AAPT_RIGHT_LEG
AvatarAnchorPointType.AAPT_RIGHT_FOOT
AvatarAnchorPointType.AAPT_RIGHT_TOE_BASE
AvatarAnchorPointType.AAPT_NAME_TAG

AvatarAttach.create(hat, {
	avatarId: '0x123...abc', // Target player's wallet address
	anchorPointId: AvatarAnchorPointType.AAPT_RIGHT_HAND,
})

import { PlayerIdentityData } from '@dcl/sdk/ecs'

engine.addSystem(() => {
	for (const [entity, player] of engine.getEntitiesWith(PlayerIdentityData)) {
		// player.address is the wallet address to pass as avatarId
	}
})

import { triggerEmote } from '~system/RestrictedActions'

// Play a built-in emote
triggerEmote({ predefinedEmote: 'robot' })
triggerEmote({ predefinedEmote: 'wave' })
triggerEmote({ predefinedEmote: 'clap' })

import { triggerSceneEmote } from '~system/RestrictedActions'

// File MUST end with _emote.glb — rename it on disk if it doesn't
triggerSceneEmote({
	src: 'animations/Snowball_Throw_emote.glb',
	loop: false,
})

import { stopEmote } from '~system/RestrictedActions'
stopEmote({})

import { AvatarMask } from '@dcl/sdk/ecs'
import { triggerSceneEmote } from '~system/RestrictedActions'

triggerSceneEmote({ src: 'animations/Carry_emote.glb', loop: true, mask: AvatarMask.AM_UPPER_BODY })

import {
	engine,
	Transform,
	AvatarModifierArea,
	AvatarModifierType,
} from '@dcl/sdk/ecs'
import { Vector3 } from '@dcl/sdk/math'

const modifierArea = engine.addEntity()
Transform.create(modifierArea, {
	position: Vector3.create(8, 1.5, 8),
	scale: Vector3.create(4, 3, 4),
})

AvatarModifierArea.create(modifierArea, {
	area: Vector3.create(4, 3, 4),
	modifiers: [AvatarModifierType.AMT_HIDE_AVATARS],
	excludeIds: ['0x123...abc'], // Optional: exclude specific players
})

AvatarModifierType.AMT_HIDE_AVATARS // Hide all avatars in the area
AvatarModifierType.AMT_DISABLE_PASSPORTS // Disable clicking on avatars to see profiles
AvatarModifierType.AMT_HIDE_NAMETAGS // Hide the name tag above avatars in the area

import { engine, AvatarLocomotionSettings } from '@dcl/sdk/ecs'

// Modify run speed and jump height (set only the fields you want to change)
AvatarLocomotionSettings.createOrReplace(engine.PlayerEntity, {
	runSpeed: 14, // default is 10
	jumpHeight: 3, // default is 1
})

import { InputModifier, engine } from '@dcl/sdk/ecs'

// Freeze all movement
InputModifier.create(engine.PlayerEntity, {
	mode: InputModifier.Mode.Standard({ disableAll: true }),
})

// Remove restrictions
InputModifier.deleteFrom(engine.PlayerEntity)

import { movePlayerTo } from '~system/RestrictedActions'

void movePlayerTo({
	newRelativePosition: Vector3.create(8, 0, 8),
	cameraTarget: Vector3.create(8, 1, 12),
	avatarTarget: Vector3.create(8, 1, 12),
})

import { movePlayerTo } from '~system/RestrictedActions'

async function teleport() {
	const result = await movePlayerTo({
		newRelativePosition: Vector3.create(1, 0, 1),
		cameraTarget: Vector3.create(8, 1, 8),
		duration: 2,
	})
	if (!result.success) {
		console.log('Movement was interrupted by the player')
	}
}

import { movePlayerTo } from '~system/RestrictedActions'
import { InputModifier, engine } from '@dcl/sdk/ecs'

async function lockedTeleport() {
	InputModifier.create(engine.PlayerEntity, {
		mode: InputModifier.Mode.Standard({ disableAll: true }),
	})

	await movePlayerTo({
		newRelativePosition: Vector3.create(1, 0, 1),
		cameraTarget: Vector3.create(8, 1, 8),
		duration: 2,
	})

	InputModifier.deleteFrom(engine.PlayerEntity)
}

import {
	AvatarEmoteCommand,
	AvatarBase,
	AvatarEquippedData,
} from '@dcl/sdk/ecs'

// Detect when the Explorer reports an emote playing on a player.
// AvatarEmoteCommand is written BY THE EXPLORER to report emote playback
// TO the scene -- it is NOT a signal from scene to renderer. It is appended
// to every player entity (local and remote alike).
AvatarEmoteCommand.onChange(engine.PlayerEntity, (cmd) => {
	if (cmd) console.log('Emote played:', cmd.emoteUrn)
})

// Detect avatar appearance changes (wearables, skin color, etc.)
AvatarBase.onChange(engine.PlayerEntity, (base) => {
	if (base) console.log('Avatar name:', base.name)
})

// Detect equipment changes
AvatarEquippedData.onChange(engine.PlayerEntity, (equipped) => {
	if (equipped) console.log('Wearables changed:', equipped.wearableUrns)
})