juanjp600
140 lines
4.7 KiB
C#
140 lines
4.7 KiB
C#
using FarseerPhysics;
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using FarseerPhysics.Dynamics;
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using Microsoft.Xna.Framework;
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using System;
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using System.Collections.Generic;
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using System.Xml.Linq;
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namespace Barotrauma.Items.Components
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{
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class RangedWeapon : ItemComponent
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{
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private float reload, reloadTimer;
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private Vector2 barrelPos;
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[Serialize("0.0,0.0", false)]
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public string BarrelPos
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{
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get { return XMLExtensions.Vector2ToString(ConvertUnits.ToDisplayUnits(barrelPos)); }
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set { barrelPos = ConvertUnits.ToSimUnits(XMLExtensions.ParseVector2(value)); }
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}
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[Serialize(1.0f, false)]
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public float Reload
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{
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get { return reload; }
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set { reload = Math.Max(value, 0.0f); }
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}
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[Serialize(0.0f, false)]
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public float Spread
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{
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get;
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set;
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}
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[Serialize(0.0f, false)]
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public float UnskilledSpread
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{
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get;
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set;
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}
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public Vector2 TransformedBarrelPos
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{
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get
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{
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Matrix bodyTransform = Matrix.CreateRotationZ(item.body.Rotation);
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Vector2 flippedPos = barrelPos;
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if (item.body.Dir < 0.0f) flippedPos.X = -flippedPos.X;
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return (Vector2.Transform(flippedPos, bodyTransform) + item.body.SimPosition);
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}
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}
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public RangedWeapon(Item item, XElement element)
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: base(item, element)
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{
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}
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public override void Update(float deltaTime, Camera cam)
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{
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reloadTimer -= deltaTime;
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if (reloadTimer < 0.0f)
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{
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reloadTimer = 0.0f;
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IsActive = false;
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}
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}
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public override bool Use(float deltaTime, Character character = null)
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{
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if (character == null) return false;
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if (!character.IsKeyDown(InputType.Aim) || reloadTimer > 0.0f) return false;
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IsActive = true;
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reloadTimer = reload;
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List<Body> limbBodies = new List<Body>();
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foreach (Limb l in character.AnimController.Limbs)
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{
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limbBodies.Add(l.body.FarseerBody);
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}
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float degreeOfFailure = (100.0f - DegreeOfSuccess(character))/100.0f;
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degreeOfFailure *= degreeOfFailure;
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if (degreeOfFailure > Rand.Range(0.0f, 1.0f))
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{
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ApplyStatusEffects(ActionType.OnFailure, 1.0f, character);
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}
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Item[] containedItems = item.ContainedItems;
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if (containedItems != null)
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{
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foreach (Item projectile in containedItems)
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{
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if (projectile == null) continue;
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//find the projectile-itemcomponent of the projectile,
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//and add the limbs of the shooter to the list of bodies to be ignored
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//so that the player can't shoot himself
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Projectile projectileComponent= projectile.GetComponent<Projectile>();
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if (projectileComponent == null) continue;
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float spread = MathHelper.ToRadians(MathHelper.Lerp(Spread, UnskilledSpread, degreeOfFailure));
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float rotation = (item.body.Dir == 1.0f) ? item.body.Rotation : item.body.Rotation - MathHelper.Pi;
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rotation += spread * Rand.Range(-0.5f, 0.5f);
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projectile.body.ResetDynamics();
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projectile.SetTransform(TransformedBarrelPos, rotation);
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projectileComponent.User = character;
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projectileComponent.IgnoredBodies = new List<Body>(limbBodies);
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projectile.Use(deltaTime);
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projectileComponent.User = character;
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projectile.body.ApplyTorque(projectile.body.Mass * degreeOfFailure * Rand.Range(-10.0f, 10.0f));
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//set the rotation of the projectile again because dropping the projectile resets the rotation
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projectile.SetTransform(projectile.SimPosition, rotation);
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//recoil
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item.body.ApplyLinearImpulse(
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new Vector2((float)Math.Cos(projectile.body.Rotation), (float)Math.Sin(projectile.body.Rotation)) * item.body.Mass * -50.0f);
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item.RemoveContained(projectile);
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Rope rope = item.GetComponent<Rope>();
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if (rope != null) rope.Attach(projectile);
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return true;
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}
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}
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return true;
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}
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}
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}
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