openclonk/planet/Objects.ocd/Items.ocd/Weapons.ocd/Bow.ocd/Script.c

/*
	Bow
	Author: Newton
	
	The standard bow. This object is a standard projectile weapon
	with an extra slot.
*/

// has extra slot
#include Library_HasExtraSlot

// Initial velocity of the arrow
local shooting_strength = 100;

private func Hit()
{
	Sound("Hits::Materials::Wood::WoodHit?");
}

local fAiming;

local iArrowMesh;

public func GetCarryMode() { return CARRY_HandBack; }

public func GetCarrySpecial(clonk) { if(fAiming) return "pos_hand2"; }

/* +++++++++++ Controls ++++++++++++++ */

// holding callbacks are made
public func HoldingEnabled() { return true; }

local animation_set;

func Initialize()
{
	animation_set = {
		AimMode        = AIM_Position, // The aiming animation is done by adjusting the animation position to fit the angle
		AnimationAim   = "BowAimArms",
		AnimationLoad  = "BowLoadArms",
		LoadTime       = 30,
		LoadTime2      = 5*30/20,
		AnimationShoot = nil,
		ShootTime      = 20,
		TurnType       = 1,
		WalkSpeed      = 84,
		WalkBack       = 56,
		AnimationReplacements = [
			["Walk", "BowWalk"],
			["Walk_Position", 20],
			["Stand", "BowStand"],
			["Jump", "BowJump"],
			["KneelDown", "BowKneel"]
		],
	};
}

public func GetAnimationSet() { return animation_set; }

public func RejectUse(object clonk)
{
	// if the clonk doesn't have an action where he can use it's hands do nothing
	return !clonk->HasHandAction(false, false, true);
}

public func ControlUseStart(object clonk, int x, int y)
{
	// check for ammo
	if(!Contents(0))
	{
		// reload
		var obj;
		if(obj = FindObject(Find_Container(clonk), Find_Func("IsArrow")))
		{
			obj->Enter(this);
		}
	}
	
	if(!Contents(0))
	{
		// + sound or message that he doesnt have arrows anymore
		clonk->CancelUse();
		return true;
	}
	
	// Start aiming
	fAiming = 1;
	
	PlayAnimation("Draw", 6, Anim_Linear(0, 0, GetAnimationLength("Draw"), animation_set["LoadTime"], ANIM_Hold));

	clonk->StartLoad(this);

	ControlUseHolding(clonk, x, y);
	
	return true;
}

// Attach the arrow during the animation
public func DuringLoad(object clonk) { return AddArrow(clonk); }

// Called during loading then the arrow is added to the animation
public func AddArrow(object clonk)
{
	Sound("Objects::Weapons::Bow::Load?");
	iArrowMesh = clonk->AttachMesh(HelpArrow, "pos_hand1", "main", nil);
}

// Callback from the clonk when loading is finished
public func FinishedLoading(object clonk)
{
	clonk->~StartAim(this);
	return true;
}

// Update the angle on mouse movement
public func ControlUseHolding(object clonk, int x, int y)
{
	// Save new angle
	var angle = Angle(0,0,x,y);
	angle = Normalize(angle,-180);

	if(angle >  160) angle =  160;
	if(angle < -160) angle = -160;

	clonk->SetAimPosition(angle);
	
	return true;
}

// Stopping says the clonk to stop with aiming (he will go on untill he has finished loading and aiming at the given angle)
public func ControlUseStop(object clonk, int x, int y)
{
	clonk->StopAim();
	return true;
}

// Callback from the clonk, when he actually has stopped aiming
public func FinishedAiming(object clonk, int angle)
{
	clonk->DetachMesh(iArrowMesh);
	iArrowMesh = nil;

	// shoot
	if(Contents(0))
	{
		if(Contents(0)->~IsArrow())
		{
			var arrow = Contents(0)->TakeObject();
			arrow->Launch(angle,shooting_strength,clonk);
			Sound("Objects::Weapons::Bow::Shoot?");
		}
	}

	// Open the hand to let the string go and play the fire animation
	PlayAnimation("Fire", 6, Anim_Linear(0, 0, GetAnimationLength("Fire"), animation_set["ShootTime"], ANIM_Hold));
	clonk->PlayAnimation("Close1Hand", 11, Anim_Const(0), Anim_Const(1000));
	clonk->StartShoot(this);
	return true;
}

public func ControlUseCancel(object clonk, int x, int y)
{
	clonk->CancelAiming(this);
	return true;
}

/* ++++++++ Animation functions ++++++++ */

public func Reset(clonk)
{
	fAiming = 0;

	clonk->DetachMesh(iArrowMesh);
	iArrowMesh = nil;
	
	clonk->StopAnimation(clonk->GetRootAnimation(11));
	StopAnimation(GetRootAnimation(6));
}

/* ++++++++ Helper functions ++++++++ */

private func ClonkAimLimit(object clonk, int angle)
{
	angle = Normalize(angle,-180);
	if(Abs(angle) > 160) return false;
	if(clonk->GetDir() == 1 && angle < 0) return false;
	if(clonk->GetDir() == 0 && angle > 0) return false;
	return true;
}

/* +++++++++++ Slow walk +++++++++++ */

func FxIntWalkSlowStart(pTarget, effect, fTmp, iValue)
{
	if(iValue == nil || iValue == 0) iValue = 84;
	pTarget->PushActionSpeed("Walk", iValue);
}

func FxIntWalkSlowStop(pTarget, effect)
{
	pTarget->PopActionSpeed("Walk");
}

/* +++++++++++ Various callbacks +++++++++ */

func RejectCollect(id arrowid, object arrows)
{
	// arrows are not arrows? decline!
	if(!(arrows->~IsArrow())) return true;
}
/*
func Selection()
{
	Sound("Objects::Weapons::Bow::Draw");
}

func Deselection()
{
	Sound("Objects::Weapons::Bow::PutAwayBow");
}
*/

public func IsWeapon() { return true; }
public func IsArmoryProduct() { return true; }

func Definition(def)
{
	def.PictureTransformation = Trans_Mul(Trans_Translate(-4000,-2000,4000),Trans_Rotate(180,0,1,0),Trans_Rotate(-45,0,0,1));
}

local Name = "$Name$";
local Description = "$Description$";
local Collectible = 1;
local BlastIncinerate = 30;
local ContactIncinerate = 5;
local ForceFreeHands = true;