isleward/src/server/world/mobBuilder.js

let animations = require('../config/animations');
let itemGenerator = require('../items/generator');

module.exports = {
	build: function (mob, blueprint, scaleDrops, type, zoneName) {
		mob.instance.eventEmitter.emit('onBeforeBuildMob', zoneName, mob.name.toLowerCase(), blueprint);

		let typeDefinition = blueprint[type] || blueprint;

		let drops = typeDefinition.drops;

		mob.isMob = true;
		mob.scaleDrops = scaleDrops;

		if (blueprint.nonSelectable)
			mob.nonSelectable = true;

		mob.addComponent('effects');
		if (type) {
			if (type != 'regular') {
				mob.effects.addEffect({
					type: type
				});

				mob['is' + type[0].toUpperCase() + type.substr(1)] = true;

				mob.baseName = mob.name;
				mob.name = typeDefinition.name || mob.baseName;

				if (typeDefinition.sheetName)
					mob.sheetName = typeDefinition.sheetName;
				if (typeDefinition.cell != null)
					mob.cell = typeDefinition.cell;
			}
		}

		mob.addComponent('stats', {
			values: {
				level: blueprint.level
			}
		});

		let cpnMob = mob.addComponent('mob');
		cpnMob.walkDistance = blueprint.walkDistance;
		cpnMob.hpMult = blueprint.hpMult || typeDefinition.hpMult;
		cpnMob.dmgMult = blueprint.dmgMult || typeDefinition.dmgMult;
		cpnMob.grantRep = blueprint.grantRep;
		cpnMob.deathRep = blueprint.deathRep;

		let spells = extend(true, [], blueprint.spells);
		spells.forEach(function (s) {
			if (!s.animation) {
				if ((mob.sheetName == 'mobs') && (animations.mobs[mob.cell])) 
					s.animation = 'basic';
			}
		});

		mob.addComponent('spellbook', {
			spells: spells,
			dmgMult: typeDefinition.dmgMult
		});

		let attackable = blueprint.attackable;
		if ((attackable === undefined) || (attackable === true)) {
			mob.addComponent('aggro', {
				faction: blueprint.faction
			});
		}

		mob.addComponent('equipment');
		mob.addComponent('inventory', drops);
		mob.inventory.inventorySize = -1;
		mob.inventory.dailyDrops = blueprint.dailyDrops;

		if (this.zone) {
			let chats = this.zone.chats;
			if ((chats) && (chats[mob.name.toLowerCase()])) {
				mob.addComponent('chatter', {
					chats: chats[mob.name.toLowerCase()]
				});
			}

			let dialogues = this.zone.dialogues;
			if ((dialogues) && (dialogues[mob.name.toLowerCase()])) {
				mob.addComponent('dialogue', {
					config: dialogues[mob.name.toLowerCase()]
				});
			}
		}

		if ((blueprint.properties) && (blueprint.properties.cpnTrade))
			mob.addComponent('trade', blueprint.properties.cpnTrade);

		this.scale(mob, blueprint.level);
	},

	scale: function (mob, level) {
		if ((mob.aggro) && (mob.aggro.list > 0))
			return;

		let drops = mob.inventory.blueprint || {};

		let statValues = mob.stats.values;

		let preferStat = ['str', 'dex', 'int'][~~(Math.random() * 3)];
		let elementType = [null, 'poison', 'frost', 'fire', 'holy', 'arcane'][~~(Math.random() * 6)];

		mob.equipment.unequipAll();
		mob.inventory.clear();

		let hp = level * 32.7;
		statValues.hpMax = hp;

		statValues.level = level;

		if ((!drops.blueprints) || (drops.alsoRandom)) {
			[
				'head',
				'chest',
				'neck',
				'hands',
				'waist',
				'legs',
				'feet',
				'finger',
				'trinket',
				'twoHanded'
			].forEach(function (slot) {
				let item = itemGenerator.generate({
					noSpell: true,
					level: level,
					slot: slot,
					quality: 4,
					forceStats: [preferStat]
				});
				delete item.spell;
				mob.inventory.getItem(item);
				mob.equipment.autoEquip(item.id);
			}, this);
		} else {
			//TODO: Don't give the mob these items: he'll drop them anyway
			drops.blueprints.forEach(function (d) {
				let drop = extend(true, {}, d);
				d.level = level;
				if (drop.type == 'key')
					return;

				mob.inventory.getItem(itemGenerator.generate(drop));
			}, this);
		}

		let spellCount = (mob.isRare ? 1 : 0) + (mob.isChampion ? 2 : 0);

		for (let i = 0; i < spellCount; i++) {
			let rune = itemGenerator.generate({
				spell: true
			});
			rune.eq = true;
			mob.inventory.getItem(rune);
		}

		let dmgMult = 4.5 * mob.mob.dmgMult;
		let hpMult = 1 * mob.mob.hpMult;

		dmgMult *= [0.25, 0.4, 0.575, 0.8, 1, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2, 2.1, 2.2, 2.3, 2.4, 2.5][level - 1];

		statValues.hpMax = ~~(statValues.hpMax * [0.1, 0.2, 0.4, 0.7, 0.78, 0.91, 1.16, 1.19, 1.65, 2.36, 3.07, 3.55, 4.1, 4.85, 5.6, 5.9, 6.5, 7.1, 7.9, 12][level - 1]);

		if (mob.isRare) {
			dmgMult *= 1.25;
			hpMult *= 1.25;
		}

		if (mob.isChampion) {
			dmgMult *= 2;
			hpMult *= 3;
		}

		statValues.hpMax *= hpMult;
		statValues.hp = statValues.hpMax;
		statValues.mana = statValues.manaMax;

		mob.spellbook.spells.forEach(function (s) {
			s.dmgMult = dmgMult;
			s.statType = preferStat;
			s.element = elementType;
			s.manaCost = 0;
		}, this);

		['hp', 'hpMax', 'mana', 'manaMax', 'level'].forEach(function (s) {
			mob.syncer.setObject(false, 'stats', 'values', s, statValues[s]);
		});
	}
};