112 lines
3.7 KiB
C#
112 lines
3.7 KiB
C#
using FarseerPhysics;
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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.Linq;
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using System.Text;
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using System.Xml.Linq;
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namespace Subsurface
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{
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class Explosion
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{
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Vector2 position;
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float range;
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float damage;
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float structureDamage;
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float stun;
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float force;
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public Explosion(Vector2 position, float range, float damage, float structureDamage, float stun=0.0f, float force=0.0f)
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{
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this.position = position;
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this.range = Math.Max(range,1.0f);
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this.damage = damage;
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this.structureDamage = structureDamage;
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this.stun = stun;
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this.force = force;
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}
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public Explosion(XElement element)
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{
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range = Math.Max(ToolBox.GetAttributeFloat(element, "range", 1.0f),1.0f);
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damage = ToolBox.GetAttributeFloat(element, "damage", 0.0f);
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structureDamage = ToolBox.GetAttributeFloat(element, "structuredamage", 0.0f);
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stun = ToolBox.GetAttributeFloat(element, "stun", 0.0f);
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force = ToolBox.GetAttributeFloat(element, "force", 0.0f);
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}
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public void Explode()
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{
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Explode(position);
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}
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public void Explode(Vector2 position)
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{
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for (int i = 0; i<range*10; i++)
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{
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Game1.particleManager.CreateParticle(position,
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ToolBox.RandomFloat(0.0f,3.14f),
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Vector2.Normalize(new Vector2(ToolBox.RandomFloat(-1.0f, 1.0f), ToolBox.RandomFloat(-1.0f, 1.0f))) * ToolBox.RandomFloat(3.0f,4.0f),
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"explosionfire");
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}
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Vector2 displayPosition = ConvertUnits.ToDisplayUnits(position);
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float displayRange = ConvertUnits.ToDisplayUnits(range);
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if (structureDamage>0.0f)
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{
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List<Structure> structureList = new List<Structure>();
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float dist = 600.0f;
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foreach (MapEntity entity in MapEntity.mapEntityList)
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{
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Structure structure = entity as Structure;
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if (structure == null) continue;
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if (structure.HasBody &&
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!structure.IsPlatform &&
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Vector2.Distance(structure.Position, displayPosition) < dist*3.0f)
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{
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structureList.Add(structure);
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}
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}
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foreach (Structure structure in structureList)
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{
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for (int i = 0; i < structure.SectionCount; i++)
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{
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float distFactor = 1.0f - (Vector2.Distance(structure.SectionPosition(i), displayPosition) / displayRange);
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if (distFactor > 0.0f) structure.AddDamage(i, structureDamage*distFactor);
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}
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}
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}
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foreach (Character c in Character.characterList)
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{
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float dist = Vector2.Distance(c.SimPosition, position);
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if (dist > range) continue;
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float distFactor = 1.0f - dist / range;
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foreach (Limb limb in c.animController.limbs)
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{
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distFactor = 1.0f - Vector2.Distance(limb.SimPosition, position)/range;
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c.AddDamage(limb.SimPosition, damage * distFactor, 0.0f, stun * distFactor);
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if (force>0.0f)
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{
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limb.body.ApplyLinearImpulse(Vector2.Normalize(limb.SimPosition-position)*distFactor*force);
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}
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}
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}
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}
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}
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}
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