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/*--
Powder Keg
A barrel filled with black powder.
@author Ringwaul
*/
#include Library_CarryHeavy
local count;
local TimeToExplode = 90; // Number of frames to pass until keg explodes
local MaxContentsCount = 12;
public func GetCarryTransform(clonk)
{
if(GetCarrySpecial(clonk))
return Trans_Translate(1000, -6500, 0);
return Trans_Mul(Trans_Translate(1500, 0, -1500),Trans_Rotate(180,1,0,0));
}
public func GetCarryPhase() { return 900; }
protected func Construction()
{
SetPowderCount(MaxContentsCount);
}
public func GetPowderCount()
{
return count;
}
public func SetPowderCount(newcount)
{
count = newcount;
this.Description = Format("%s||$RemainingPowder$: %d", this.Prototype.Description, this.count);
if (count == 0)
ScheduleCall(this, "CheckEmpty", 1, 0);
return;
}
public func DoPowderCount(int change)
{
if (count == nil)
return;
return SetPowderCount(GetPowderCount() + change);
}
private func CheckEmpty()
{
if (count == 0)
{
ChangeDef(Barrel);
this.Description = this.Prototype.Description;
this->~Initialize();
}
}
// Do not put differently filled kegs on top of each other.
public func CanBeStackedWith(object other)
{
if (this.count != other.count) return false;
return inherited(other, ...);
}
// Display the powder as a bar over the keg icon.
public func GetInventoryIconOverlay()
{
if (this.count >= MaxContentsCount) return nil;
var percentage = 100 - 100 * this.count / this.MaxContentsCount;
// Overlay a usage bar.
var overlay =
{
Bottom = "0.75em", Margin = ["0.1em", "0.25em"],
BackgroundColor = RGB(0, 0, 0),
margin =
{
Margin = "0.05em",
bar =
{
BackgroundColor = RGB(150, 50, 50),
Right = Format("%d%%", percentage),
}
}
};
return overlay;
}
public func Incineration(int caused_by)
{
SetController(caused_by);
AddEffect("Fuse", this, 1, 1, this);
}
public func FxFuseTimer(object target, effect, int timer)
{
// Particle effect
var lifetime = PV_Random(10, 40);
var amount = 6;
if (Contained() && Contained()->~IsClonk())
{
var prec = 10;
// Position, is always the same regardless of rotation
var x = 2, y = -6;
// Needs a loop for now, because CreateParticleAtBone seems to not use the PV_Random values in the dir array
for (var i = 0; i < amount; ++i)
{
// Positions for array: [-y, 0, -x]
Contained()->CreateParticleAtBone("Fire", "pos_tool1", [2 - y, 0, -1 - x], [prec * RandomX(-10, 20), 0, prec * RandomX(-10, 10)], lifetime, Particles_Glimmer(), 1);
}
}
else
{
var x, y;
if (Contained())
{
// Display at the center if contained, because the fuse vertex might not be visible
x = 0; y = 0;
}
else
{
// Display at a vertex, because this is easier than calculating the correct rotated position
var fuse_vertex = 1;
x = GetVertex(fuse_vertex, 0);
y = GetVertex(fuse_vertex, 1);
}
CreateParticle("Fire", x, y, PV_Random(-10, 10), PV_Random(-20, 10), lifetime, Particles_Glimmer(), amount);
}
// Explosion after timeout
if (timer > TimeToExplode)
{
Explode(GetExplosionStrength());
}
}
// Powderkeg explosion strength ranges from 17-32.
public func GetExplosionStrength() { return Sqrt(64 * (4 + count)); }
public func IsProjectileTarget()
{
return true;
}
public func Damage(int change, int cause, int by_player)
{
Incinerate(100, by_player);
}
public func OnProjectileHit(object projectile)
{
Incinerate(100, projectile->GetController());
}
func Hit()
{
Sound("Hits::Materials::Wood::DullWoodHit?");
}
public func SaveScenarioObject(props)
{
if (!inherited(props, ...)) return false;
var v = GetPowderCount();
if (v != MaxContentsCount) props->AddCall("Powder", this, "SetPowderCount", v);
return true;
}
func IsChemicalProduct() { return true; }
func AlchemyProcessTime() { return 100; }
public func IsExplosive() { return true; }
/*-- Properties --*/
local Collectible = true;
local Name = "$Name$";
local Description = "$Description$";
local BlastIncinerate = 1;
local NoBurnDecay = true;
local ContactIncinerate = 2;
local Components = {Barrel = 1, Coal = 1};
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