75 lines
2.1 KiB
C#
75 lines
2.1 KiB
C#
using Microsoft.Xna.Framework;
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using Microsoft.Xna.Framework.Graphics;
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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 BackgroundSpriteManager
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{
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const int MaxSprites = 100;
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private List<BackgroundSpritePrefab> prefabs;
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private List<BackgroundSprite> activeSprites;
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public BackgroundSpriteManager(string configPath)
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{
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XDocument doc = ToolBox.TryLoadXml(configPath);
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if (doc == null) return;
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activeSprites = new List<BackgroundSprite>();
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prefabs = new List<BackgroundSpritePrefab>();
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foreach (XElement element in doc.Root.Elements())
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{
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prefabs.Add(new BackgroundSpritePrefab(element));
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}
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}
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public void Update(float deltaTime)
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{
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if (activeSprites.Count < MaxSprites)
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{
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WayPoint wp = WayPoint.WayPointList[Rand.Int(WayPoint.WayPointList.Count)];
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Vector2 pos = new Vector2(wp.Rect.X, wp.Rect.Y);
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pos += Rand.Vector(200.0f);
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var prefab = prefabs[Rand.Int(prefabs.Count)];
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int amount = Rand.Range(prefab.SwarmMin,prefab.SwarmMax);
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List<BackgroundSprite> swarmMembers = new List<BackgroundSprite>();
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for (int i = 0; i<amount; i++)
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{
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var newSprite = new BackgroundSprite(prefab, pos);
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activeSprites.Add(newSprite);
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swarmMembers.Add(newSprite);
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}
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if (amount>0)
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{
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Swarm swarm = new Swarm(swarmMembers, prefab.SwarmRadius);
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}
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}
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foreach (BackgroundSprite sprite in activeSprites)
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{
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sprite.Update(deltaTime);
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}
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}
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public void Draw(SpriteBatch spriteBatch)
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{
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foreach (BackgroundSprite sprite in activeSprites)
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{
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sprite.Draw(spriteBatch);
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}
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}
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}
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}
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