doodle/dev-assets/doodads/azulian/azulian.js
Noah Petherbridge 293ac668e7 Azulian: Don't follow boring players
If the Azulians aren't hostile to the player character (e.g. you are
playing as a Thief or Azulian or you are invulnerable because you're the
Anvil), the Azulians won't aggro and pathfind to you either.
2022-02-20 12:19:56 -08:00

149 lines
3.9 KiB
JavaScript

// Azulian (Red and Blue)
const color = Self.GetTag("color");
var playerSpeed = color === 'blue' ? 2 : 4,
aggroX = 250, // X/Y distance sensitivity from player
aggroY = color === 'blue' ? 100 : 200,
jumpSpeed = color === 'blue' ? 12 : 14,
animating = false,
direction = "right",
lastDirection = "right";
// white Azulian is faster yet than the red
if (color === 'white') {
aggroX = 1000;
aggroY = 400;
playerSpeed = 8;
jumpSpeed = 16;
}
function setupAnimations(color) {
let left = color === 'blue' ? 'blu-wl' : color+'-wl',
right = color === 'blue' ? 'blu-wr' : color+'-wr',
leftFrames = [left + '1', left + '2', left + '3', left + '4'],
rightFrames = [right + '1', right + '2', right + '3', right + '4'];
Self.AddAnimation("walk-left", 100, leftFrames);
Self.AddAnimation("walk-right", 100, rightFrames);
}
function main() {
playerSpeed = color === 'blue' ? 2 : 4;
Self.SetMobile(true);
Self.SetGravity(true);
Self.SetInventory(true);
Self.SetHitbox(0, 0, 24, 32);
setupAnimations(color);
if (Self.IsPlayer()) {
return playerControls();
}
// A.I. pattern: walks back and forth, turning around
// when it meets resistance.
// Sample our X position every few frames and detect if we've hit a solid wall.
let sampleTick = 0;
let sampleRate = 5;
let lastSampledX = 0;
// Get the player on touch.
Events.OnCollide((e) => {
// If we're diving and we hit the player, game over!
// Azulians are friendly to Thieves though!
if (e.Settled && isPlayerFood(e.Actor)) {
FailLevel("Watch out for the Azulians!");
return;
}
});
setInterval(() => {
// If the player is nearby, walk towards them. Otherwise, default pattern
// is to walk back and forth.
let player = Actors.FindPlayer(),
followPlayer = false,
jump = false;
// Don't follow boring players.
if (player !== null && isPlayerFood(player)) {
let playerPt = player.Position(),
myPt = Self.Position();
// If the player is within aggro range, move towards.
if (Math.abs(playerPt.X - myPt.X) < aggroX && Math.abs(playerPt.Y - myPt.Y) < aggroY) {
direction = playerPt.X < myPt.X ? "left" : "right";
followPlayer = true;
if (playerPt.Y + player.Size().H < myPt.Y + Self.Size().H) {
jump = true;
}
}
}
// Default AI: sample position so we turn around on obstacles.
if (!followPlayer) {
if (sampleTick % sampleRate === 0) {
let curX = Self.Position().X;
let delta = Math.abs(curX - lastSampledX);
if (delta < 5) {
direction = direction === "right" ? "left" : "right";
}
lastSampledX = curX;
}
sampleTick++;
}
let Vx = parseFloat(playerSpeed * (direction === "left" ? -1 : 1)),
Vy = jump && Self.Grounded() ? parseFloat(-jumpSpeed) : Self.GetVelocity().Y;
Self.SetVelocity(Vector(Vx, Vy));
// If we changed directions, stop animating now so we can
// turn around quickly without moonwalking.
if (direction !== lastDirection) {
Self.StopAnimation();
}
if (!Self.IsAnimating()) {
Self.PlayAnimation("walk-" + direction, null);
}
lastDirection = direction;
}, 10);
}
function playerControls() {
// Note: player speed is controlled by the engine.
Events.OnKeypress((ev) => {
if (ev.Right) {
if (!Self.IsAnimating()) {
Self.PlayAnimation("walk-right", null);
}
} else if (ev.Left) {
if (!Self.IsAnimating()) {
Self.PlayAnimation("walk-left", null);
}
} else {
Self.StopAnimation();
animating = false;
}
})
}
// Logic to decide if the player is interesting to the Azulian (aka, if the Azulian
// will be hostile towards the player). Boring players will not be chased after and
// the Azulian will not harm them if they make contact.
function isPlayerFood(actor) {
// Not a player or is invulnerable.
if (!actor.IsPlayer() || actor.Invulnerable()) {
return false;
}
// Azulians are friendly to Thieves and other Azulians.
if (actor.Doodad().Filename === "thief.doodad" || actor.Doodad().Title.indexOf("Azulian") > -1) {
return false;
}
return true;
}