import "API" for IEvent, IEntity, IGraphicsListener, Engine, EventType, Graphics, Vec3, Vec2, OS
import "CoreTargetResolver" for ITargetResolver, TargetResolver

class AimSettings {
	construct new() {
		_projectileSpeed = {
			41: 75,
			5: 110,
			32: 110,
			4: 60,
			6: 70,
			121: 60,
			318: 120,
			122: 60,
			221: 120
		}
		_projectileGravity = {
			41: 0,
			5: 9.8,
			32: 0,
			4: 0,
			6: 9.8,
			121: 0,
			318: 0,
			122: 0,
			221: 0
		}
	}
	projectileSpeed { _projectileSpeed }
	projectileGravity { _projectileGravity }
}

class FPSCounter {
	construct new() {
	_lastTick = 0
	_fps = 300
	_fps_temp = 0
	}
	fps { _fps }
	handle(time) {
		var currentTick = time * 0.001
		_fps_temp = _fps_temp + 1
		if ((currentTick - _lastTick) > 1) {
			_lastTick = currentTick
			_fps = _fps_temp
			_fps_temp = 0
		}

	}
}

class Global {
    static init() {
        if (!__PositionCache) {
            __PositionCache = {}
        }
		if (!__PredictedCache) {
			__PredictedCache = {}
		}
		if(!__AimSettings) {
			__AimSettings = AimSettings.new()
		}
		if (!__FPSCounter) {
			__FPSCounter = FPSCounter.new()
		}
    }
	static HeadPositionCache { __HeadPositionCache }
    static PositionCache { __PositionCache }
	static PredictedCache { __PredictedCache }
	static AimSettings { __AimSettings }
	static FPSCounter { __FPSCounter }
}

class AimbotStuff {
	static CalcGravityZ(z, projGravity, projTravelTime) {
		return z + (projGravity * projTravelTime.pow(2) * 0.5)
	}
	static CalcStaticTarget(entAimVec, projectileTravelTime, projectileGravity) {
		entAimVec.z = this.CalcGravityZ(entAimVec.z, projectileGravity, projectileTravelTime)
		return entAimVec
	}
	static CalcMovingTarget(uid, entBasePos, entAimVec, projectileTravelTime, projectileGravity) {
		var targetVelocityVec3 = entBasePos.sub(Global.PositionCache[uid])
		var targetSpeed = Global.PositionCache[uid].distTo(entBasePos) * Global.FPSCounter.fps
		var predictionScale = projectileTravelTime * targetSpeed
		var predictedPos = (entAimVec.add(targetVelocityVec3.normalized().scale(predictionScale)))
		predictedPos.z = this.CalcGravityZ(predictedPos.z, projectileGravity, projectileTravelTime)
		return predictedPos
	}

}

class GraphicsEvent is IGraphicsListener {
	static onDraw() {
		Global.FPSCounter.handle(OS.time)
	}
}

class PositionsUpdate implements IEvent {
	construct init() {
		this.registerAs(EventType.CoreLogic)
	}
	tick(d){

		var localPlayer = Engine.getLocalPlayer()
		if (localPlayer && Global.AimSettings.projectileSpeed.containsKey(localPlayer.heroId)) {

			var enemies = Engine.getEnemies()
			if (enemies) {
				for(ent in enemies) {
					var uid = ent.uid
					if (ent.health > 0) {
						var localPlayerPos = localPlayer.basePosition
						var basePos = ent.basePosition
						var headPos = ent.headPosition
						if (!Global.PositionCache[uid]) { Global.PositionCache[uid] = basePos }

						var distance = basePos.distTo(localPlayerPos)
						var projectileTravelTime = distance / Global.AimSettings.projectileSpeed[localPlayer.heroId]
						var aimPos = null
						if (Global.PositionCache[uid].x == basePos.x && Global.PositionCache[uid].y == basePos.y && Global.PositionCache[uid].z == basePos.z) {
							aimPos = AimbotStuff.CalcStaticTarget(headPos, projectileTravelTime, Global.AimSettings.projectileGravity[localPlayer.heroId])
						} else {
							aimPos = AimbotStuff.CalcMovingTarget(uid, basePos, headPos, projectileTravelTime, Global.AimSettings.projectileGravity[localPlayer.heroId])
						}
						Global.PredictedCache[uid] = aimPos
						Global.PositionCache[uid] = basePos
					}
				}
			}
		}
	}
}

class AimTargetResolver is ITargetResolver {
	static resolve(i, target) {
		var localPlayer = Engine.getLocalPlayer()

		if (!Global.AimSettings.projectileSpeed.containsKey(localPlayer.heroId) || !Global.PredictedCache[target.uid] || (localPlayer.heroId == 122 && localPlayer.healthMax >= 400)) {

			return target.headPosition
		}

		return Global.PredictedCache[target.uid]

	}

}

Global.init()
PositionsUpdate.init()
Graphics.registerListener(GraphicsEvent)
TargetResolver.override(AimTargetResolver)