package FlamethrowerTower
import Tower
import Projectile
import DummyDamage
import Heightmap

public constant string FX_PATH = "Abilities\\Weapons\\PhoenixMissile\\Phoenix_Missile.mdl"//"Abilities\\Weapons\\LordofFlameMissile\\LordofFlameMissile.mdl"
public constant real AOE_RADIUS = 48.
public constant int FLAMETHROWER_ID = 'h01C'

function getDamage(int level) returns real
	return 9. + 5.75 * level

function getSpeed(int level) returns real
	return 6.45 + level * 1.55

public class FlamethrowerTower extends Tower
	int level = 1
	construct(Tower t)
		super(t)

	override function onAttack(UnitEntity ud)
		new FlameMissile(pos.toVec2().withHeightMap(58),ud.getPos().toVec2(), getSpeed(level), owner, level)

	override function onUpgrade()
		actor.issueImmediateOrderById(OrderId("stop"))
		level++

function isUnitTargetable(unit u) returns boolean
	return not IsUnitType(u, UNIT_TYPE_DEAD) and not IsUnitType(u, UNIT_TYPE_MAGIC_IMMUNE) and not IsUnitType(u, UNIT_TYPE_STRUCTURE) and not IsUnitType(u, UNIT_TYPE_FLYING)

class FlameMissile extends Projectile
	int level
	group affected

	construct(vec3 pos, vec2 target, real speed, player owner, int level)
		super( pos, AOE_RADIUS, owner, (pos.angleTo2d(target).radians + GetRandomReal(-0.025,0.025)).asAngleRadians(), FX_PATH )
		setSpeed(speed + GetRandomReal(-0.5, 0.5))
		setRanged(712 + GetRandomReal(-5, 5))
		setAcc(1.0195 + GetRandomReal(-0.0025, 0.0075))
		fx.eff..setScale(0.2)
		..setColor(colorA(GetRandomInt(0,255),GetRandomInt(0,255),GetRandomInt(0,255),255))
		..setScale(0.75)
		this.level = level

	override function update()
		let dmg = new DummyDamage()..attacker(owner)..amount(getDamage(level))..attackType(ATTACK_TYPE_SIEGE)
		GroupEnumUnitsInRange(ENUM_GROUP, pos.x, pos.y, AOE_RADIUS, null)
		for u from ENUM_GROUP
			if IsUnitEnemy(u, owner) and isUnitTargetable(u)
				dmg..target(u)
				..apply()

		destroy dmg
		super.update()