(61d00a474) v0.9.7.1

2020-03-04 13:04:10 +01:00
parent 3c50efa5c9
commit 3c09ebe02f
5086 changed files with 786063 additions and 295871 deletions
@@ -0,0 +1,131 @@
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Graphics;
+using System;
+
+namespace Barotrauma.Particles
+{
+    class Decal
+    {
+        public readonly DecalPrefab Prefab;
+        private Vector2 position;
+
+        public readonly Sprite Sprite;
+
+        private float fadeTimer;
+        
+        public float FadeTimer
+        {
+            get { return fadeTimer; }
+            set { fadeTimer = MathHelper.Clamp(value, 0.0f, LifeTime); }
+        }
+
+        public float FadeInTime
+        {
+            get { return Prefab.FadeInTime; }
+        }
+
+        public float FadeOutTime
+        {
+            get { return Prefab.FadeOutTime; }
+        }
+
+        public float LifeTime
+        {
+            get { return Prefab.LifeTime; }
+        }
+        
+        public Color Color
+        {
+            get;
+            set;
+        }
+
+        public Vector2 WorldPosition
+        {
+            get
+            {
+                Vector2 worldPos = position
+                    + clippedSourceRect.Size.ToVector2() / 2 * scale
+                    + hull.Rect.Location.ToVector2();
+                if (hull.Submarine != null) { worldPos += hull.Submarine.DrawPosition; }
+                return worldPos;
+            }
+        }
+
+        private Hull hull;
+
+        private float scale;
+
+        private Rectangle clippedSourceRect;
+
+        public Decal(DecalPrefab prefab, float scale, Vector2 worldPosition, Hull hull)
+        {
+            Prefab = prefab;
+
+            this.hull = hull;
+
+            //transform to hull-relative coordinates so we don't have to worry about the hull moving
+            position = worldPosition - hull.WorldRect.Location.ToVector2();
+
+            Vector2 drawPos = position + hull.Rect.Location.ToVector2();
+
+            Sprite = prefab.Sprites[Rand.Range(0, prefab.Sprites.Count, Rand.RandSync.Unsynced)];
+            Color = prefab.Color;
+
+            Rectangle drawRect = new Rectangle(
+                (int)(drawPos.X - Sprite.size.X / 2 * scale),
+                (int)(drawPos.Y + Sprite.size.Y / 2 * scale),
+                (int)(Sprite.size.X * scale),
+                (int)(Sprite.size.Y * scale));
+
+            Rectangle overFlowAmount = new Rectangle(
+                (int)Math.Max(hull.Rect.X - drawRect.X, 0.0f),
+                (int)Math.Max(drawRect.Y - hull.Rect.Y, 0.0f),
+                (int)Math.Max(drawRect.Right - hull.Rect.Right, 0.0f),
+                (int)Math.Max((hull.Rect.Y - hull.Rect.Height) - (drawRect.Y - drawRect.Height), 0.0f));           
+
+            clippedSourceRect = new Rectangle(
+                Sprite.SourceRect.X + (int)(overFlowAmount.X / scale),
+                Sprite.SourceRect.Y + (int)(overFlowAmount.Y / scale),
+                Sprite.SourceRect.Width - (int)((overFlowAmount.X + overFlowAmount.Width) / scale),
+                Sprite.SourceRect.Height - (int)((overFlowAmount.Y + overFlowAmount.Height) / scale));
+
+            position -= new Vector2(Sprite.size.X / 2 * scale - overFlowAmount.X, -Sprite.size.Y / 2 * scale + overFlowAmount.Y);
+
+            this.scale = scale;
+        }
+
+        public void Update(float deltaTime)
+        {
+            fadeTimer += deltaTime;
+        }
+
+        public void StopFadeIn()
+        {
+            Color *= GetAlpha();
+            fadeTimer = Prefab.FadeInTime;
+        }
+
+        public void Draw(SpriteBatch spriteBatch, Hull hull, float depth)
+        {
+            Vector2 drawPos = position + hull.Rect.Location.ToVector2();
+            if (hull.Submarine != null) { drawPos += hull.Submarine.DrawPosition; }
+            drawPos.Y = -drawPos.Y;
+            
+            spriteBatch.Draw(Sprite.Texture, drawPos, clippedSourceRect, Color * GetAlpha(), 0, Vector2.Zero, scale, SpriteEffects.None, depth);
+        }
+
+        private float GetAlpha()
+        {
+            if (fadeTimer < Prefab.FadeInTime)
+            {
+                return fadeTimer / Prefab.FadeInTime;
+            }
+            else if (fadeTimer > Prefab.LifeTime - Prefab.FadeOutTime)
+            {
+                return (Prefab.LifeTime - fadeTimer) / Prefab.FadeOutTime;
+            }
+            return 1.0f;
+        }
+    }
+}