107 lines
3.1 KiB
JavaScript
107 lines
3.1 KiB
JavaScript
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/* micropolisJS. Adapted by Graeme McCutcheon from Micropolis.
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*
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* This code is released under the GNU GPL v3, with some additional terms.
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* Please see the files LICENSE and COPYING for details. Alternatively,
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* consult http://micropolisjs.graememcc.co.uk/LICENSE and
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* http://micropolisjs.graememcc.co.uk/COPYING
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*
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*/
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Micro.CopterSprite = function (map, spriteManager, x, y) {
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Micro.BaseSprite.call( this );
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this.init(Micro.SPRITE_HELICOPTER, map, spriteManager, x, y);
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this.width = 32;
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this.height = 32;
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this.xOffset = -16;
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this.yOffset = -16;
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this.frame = 5;
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this.count = 1500;
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this.destX = Random.getRandom(Micro.worldToPix(map.width)) + 8;
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this.destY = Random.getRandom(Micro.worldToPix(map.height)) + 8;
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this.origX = x;
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this.origY = y;
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this.xDelta = [0, 0, 3, 5, 3, 0, -3, -5, -3];
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this.yDelta = [0, -5, -3, 0, 3, 5, 3, 0, -3];
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}
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Micro.CopterSprite.prototype = Object.create( Micro.BaseSprite.prototype );
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Micro.CopterSprite.prototype.move = function(spriteCycle, messageManager, disasterManager, blockMaps) {
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if (this.soundCount > 0)
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this.soundCount--;
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if (this.count > 0)
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this.count--;
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if (this.count === 0) {
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// Head towards a monster, and certain doom
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var s = this.spriteManager.getSprite(Micro.SPRITE_MONSTER);
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if (s !== null) {
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this.destX = s.x;
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this.destY = s.y;
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} else {
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// No monsters. Hm. I bet flying near that tornado is sensible
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s = this.spriteManager.getSprite(Micro.SPRITE_TORNADO);
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if (s !== null) {
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this.destX = s.x;
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this.destY = s.y;
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} else {
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this.destX = this.origX;
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this.destY = this.origY;
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}
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}
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// If near destination, let's get her on the ground
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var absDist = Micro.absoluteDistance(this.x, this.y, this.origX, this.origY);
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if (absDist < 30) {
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this.frame = 0;
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return;
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}
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}
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if (this.soundCount === 0) {
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var x = Micro.pixToWorld(this.x);
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var y = Micro.pixToWorld(this.y);
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if (x >= 0 && x < this.map.width && y >= 0 && y < this.map.height) {
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if (blockMaps.trafficDensityMap.worldGet(x, y) > 170 && (Random.getRandom16() & 7) === 0) {
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messageManager.sendMessage(Messages.HEAVY_TRAFFIC, {x: x, y: y});
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messageManager.sendMessage(Messages.SOUND_HEAVY_TRAFFIC);
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this.soundCount = 200;
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}
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}
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}
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var frame = this.frame;
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if ((spriteCycle & 3) === 0) {
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var dir = Micro.getDir(this.x, this.y, this.destX, this.destY);
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frame = Micro.turnTo(frame, dir);
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this.frame = frame;
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}
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this.x += this.xDelta[frame];
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this.y += this.yDelta[frame];
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};
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Micro.CopterSprite.prototype.explodeSprite = function(messageManager) {
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this.frame = 0;
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this.spriteManager.makeExplosionAt(this.x, this.y);
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messageManager.sendMessage(Messages.HELICOPTER_CRASHED);
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};
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/*
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// Metadata for image loading
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Object.defineProperties(CopterSprite,
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{ID: Micro.makeConstantDescriptor(2),
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width: Micro.makeConstantDescriptor(32),
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frames: Micro.makeConstantDescriptor(8)});
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return CopterSprite;
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});
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*/
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