75 lines
2.9 KiB
C#
75 lines
2.9 KiB
C#
using Content.Server.GameObjects.Components;
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using Content.Shared.Physics;
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using Robust.Server.GameObjects;
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using Robust.Shared.GameObjects.Components;
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using Robust.Shared.Interfaces.GameObjects;
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using Robust.Shared.Interfaces.Map;
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using Robust.Shared.Interfaces.Random;
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using Robust.Shared.Interfaces.Timing;
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using Robust.Shared.IoC;
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using Robust.Shared.Map;
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using Robust.Shared.Maths;
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using Robust.Shared.Physics;
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using Robust.Shared.Random;
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using System;
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using System.Collections.Generic;
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using System.Text;
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namespace Content.Server.Throw
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{
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public static class ThrowHelper
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{
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public static void Throw(IEntity thrownEnt, float throwForce, GridCoordinates targetLoc, GridCoordinates sourceLoc, bool spread = false, IEntity throwSourceEnt = null)
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{
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if (!thrownEnt.TryGetComponent(out CollidableComponent colComp))
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return;
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var mapManager = IoCManager.Resolve<IMapManager>();
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colComp.CanCollide = true;
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// I can now collide with player, so that i can do damage.
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if (!thrownEnt.TryGetComponent(out ThrownItemComponent projComp))
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{
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projComp = thrownEnt.AddComponent<ThrownItemComponent>();
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if (colComp.PhysicsShapes.Count == 0)
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colComp.PhysicsShapes.Add(new PhysShapeAabb());
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colComp.PhysicsShapes[0].CollisionMask |= (int) (CollisionGroup.MobImpassable | CollisionGroup.Impassable);
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colComp.Status = BodyStatus.InAir;
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}
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var angle = new Angle(targetLoc.ToMapPos(mapManager) - sourceLoc.ToMapPos(mapManager));
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if (spread)
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{
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var spreadRandom = IoCManager.Resolve<IRobustRandom>();
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angle += Angle.FromDegrees(spreadRandom.NextGaussian(0, 3));
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}
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if (throwSourceEnt != null)
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{
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projComp.User = throwSourceEnt;
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projComp.IgnoreEntity(throwSourceEnt);
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throwSourceEnt.Transform.LocalRotation = angle.GetCardinalDir().ToAngle();
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}
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if (!thrownEnt.TryGetComponent(out PhysicsComponent physComp))
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physComp = thrownEnt.AddComponent<PhysicsComponent>();
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var timing = IoCManager.Resolve<IGameTiming>();
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var spd = throwForce / (1f / timing.TickRate); // acceleration is applied in 1 tick instead of 1 second, scale appropriately
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physComp.SetController<ThrowController>();
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(physComp.Controller as ThrowController)?.StartThrow(angle.ToVec() * spd);
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if (throwSourceEnt != null && throwSourceEnt.TryGetComponent<PhysicsComponent>(out var physics))
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{
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const float ThrowFactor = 5.0f; // Break Newton's Third Law for better gameplay
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(physics.Controller as MoverController)?.Push(-angle.ToVec(), spd * ThrowFactor / physics.Mass);
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}
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}
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}
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}
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