started spotlight effect

Cameras/Camera.cs

@@ -10,26 +10,17 @@ namespace Kav
         public Vector3 Position { get; }
         public Vector3 Forward { get; }
         public Vector3 Up { get; }
-        public Vector3 Right { get; }
 
         public float FieldOfView { get; }
         public float AspectRatio { get; }
         public float NearPlane { get; }
         public float FarPlane { get; }
 
-        public PerspectiveCamera(
+        public PerspectiveCamera(Vector3 position, Vector3 forward, Vector3 up, float fieldOfView, float aspectRatio, float nearPlane, float farPlane)
-            Vector3 position,
+        {
-            Vector3 forward,
-            Vector3 up,
-            float fieldOfView,
-            float aspectRatio,
-            float nearPlane,
-            float farPlane
-        ) {
             Position = position;
             Forward = forward;
             Up = up;
-            Right = Vector3.Cross(forward, up);
             View = Matrix.CreateLookAt(Position, Position + Forward, Up);
 
             FieldOfView = fieldOfView;

Data/AtlasAnimation.cs

@@ -1,14 +0,0 @@
-namespace Kav
-{
-    public struct AtlasAnimation
-    {
-        public UVData[] Frames { get; }
-        public int Framerate { get; }
-
-        public AtlasAnimation(UVData[] frames, int framerate)
-        {
-            Frames = frames;
-            Framerate = framerate;
-        }
-    }
-}

Data/InstanceData.cs

@@ -1,63 +0,0 @@
-using System.Collections.Generic;
-using Microsoft.Xna.Framework.Graphics;
-
-namespace Kav
-{
-    public class InstanceData<T> where T : struct, IVertexType
-    {
-        public T[] InstanceDataArray { get; }
-        public DynamicVertexBuffer VertexBuffer { get; }
-        public int InstanceCount { get; private set; }
-
-        public InstanceData(GraphicsDevice graphicsDevice, int size)
-        {
-            InstanceDataArray = new T[size];
-
-            VertexBuffer = new DynamicVertexBuffer(
-                graphicsDevice,
-                typeof(T),
-                size,
-                BufferUsage.WriteOnly
-            );
-
-            InstanceCount = 0;
-        }
-
-        public void AddAndSetData(IEnumerable<T> data)
-        {
-            InstanceCount = 0;
-            foreach (var datum in data)
-            {
-                AddData(datum);
-            }
-
-            if (InstanceCount == 0) { throw new System.Exception(); }
-
-            SetData();
-        }
-
-        public void AddData(T datum)
-        {
-            InstanceDataArray[InstanceCount] = datum;
-            InstanceCount += 1;
-        }
-
-        public void SetData()
-        {
-            if (InstanceCount > 0)
-            {
-                VertexBuffer.SetData(
-                    InstanceDataArray,
-                    0,
-                    InstanceCount,
-                    SetDataOptions.NoOverwrite
-                );
-            }
-        }
-
-        public void Clear()
-        {
-            InstanceCount = 0;
-        }
-    }
-}

Data/MeshSpriteDrawData.cs

@@ -1,35 +0,0 @@
-using Microsoft.Xna.Framework;
-using Microsoft.Xna.Framework.Graphics;
-
-namespace Kav.Data
-{
-    public struct MeshSpriteDrawData : IIndexDrawable, ICullable, ITransformable
-    {
-        public SpriteMesh MeshSprite { get; }
-        public Texture2D Texture { get; }
-        public Texture2D Normal { get; }
-        public SpriteBillboardConstraint BillboardConstraint { get; }
-        public Matrix TransformMatrix { get; }
-        public UVData UVOffset { get; }
-
-        public IndexBuffer IndexBuffer => MeshSprite.IndexBuffer;
-        public VertexBuffer VertexBuffer => MeshSprite.VertexBuffer;
-        public BoundingBox BoundingBox => MeshSprite.BoundingBox;
-
-        public MeshSpriteDrawData(
-            SpriteMesh meshSprite,
-            Texture2D texture,
-            Texture2D normal,
-            SpriteBillboardConstraint billboardConstraint,
-            Matrix transformMatrix,
-            UVData offset
-        ) {
-            MeshSprite = meshSprite;
-            Texture = texture;
-            Normal = normal;
-            BillboardConstraint = billboardConstraint;
-            TransformMatrix = transformMatrix;
-            UVOffset = offset;
-        }
-    }
-}

Data/TextureAtlas.cs

@@ -1,96 +0,0 @@
-using Kav.Data;
-using Microsoft.Xna.Framework;
-using Microsoft.Xna.Framework.Graphics;
-using System.Collections.Generic;
-using System.IO;
-
-namespace Kav
-{
-    public struct TextureAtlasSlice
-    {
-        public int X { get; }
-        public int Y { get; }
-        public int W { get; }
-        public int H { get; }
-
-        public UVData UVData { get; }
-
-        // for use with tiling
-        public Vector2 TiledUVOffset { get; }
-
-        public TextureAtlasSlice(int x, int y, int w, int h, int totalW, int totalH)
-        {
-            X = x;
-            Y = y;
-            W = w;
-            H = h;
-
-            UVData = new UVData(new Vector2(x, y), new Vector2(w, h), new Vector2(totalW, totalH));
-
-            TiledUVOffset = new Vector2(x / (float)totalW, y / (float)totalH);
-        }
-    }
-
-    public class TextureAtlas
-    {
-        public Texture2D Texture { get; }
-        protected List<string> Names { get; } = new List<string>();
-        protected Dictionary<string, TextureAtlasSlice> Slices { get; } = new Dictionary<string, TextureAtlasSlice>();
-
-        public TextureAtlas(GraphicsDevice graphicsDevice, FileInfo atlasMetadataFile)
-        {
-            var atlasData = CrunchAtlasReader.ReadTextureAtlas(atlasMetadataFile);
-
-            var textureData = atlasData.Textures[0];
-
-            using var stream = File.OpenRead(Path.Combine(atlasMetadataFile.DirectoryName, textureData.Name + ".png"));
-            Texture = Texture2D.FromStream(graphicsDevice, stream);
-
-            foreach (var slice in textureData.Images)
-            {
-                Names.Add(slice.N);
-
-                Slices.Add(
-                    slice.N,
-                    new TextureAtlasSlice(
-                        slice.X,
-                        slice.Y,
-                        slice.W,
-                        slice.H,
-                        Texture.Width,
-                        Texture.Height
-                    )
-                );
-            }
-        }
-
-        public TextureAtlasSlice Lookup(string name)
-        {
-            return Slices[name];
-        }
-
-        public string Name(int index)
-        {
-            return Names[index];
-        }
-
-        public int Count()
-        {
-            return Names.Count;
-        }
-    }
-
-    // Assumes all subimages are the same size
-    public class TiledTextureAtlas : TextureAtlas
-    {
-        public int NumRows { get; }
-        public int NumColumns { get; }
-
-        public TiledTextureAtlas(GraphicsDevice graphicsDevice, FileInfo atlasMetadataFile) : base(graphicsDevice, atlasMetadataFile)
-        {
-            var subImageSlice = Slices[Names[0]];
-            NumRows = Texture.Height / subImageSlice.H;
-            NumColumns = Texture.Width / subImageSlice.W;
-        }
-    }
-}

Data/UVData.cs

@@ -1,19 +0,0 @@
-using Microsoft.Xna.Framework;
-
-namespace Kav
-{
-    public struct UVData
-    {
-        public Vector2 Offset { get; }
-        public Vector2 Percentage { get; }
-
-        public UVData(
-            Vector2 positionInAtlas,
-            Vector2 subTextureDimensions,
-            Vector2 atlasDimensions
-        ) {
-            Percentage = subTextureDimensions / atlasDimensions;
-            Offset = positionInAtlas / atlasDimensions;
-        }
-    }
-}

DirectionalShadowMapData.cs

@@ -1,59 +0,0 @@
-using Microsoft.Xna.Framework;
-using Microsoft.Xna.Framework.Graphics;
-
-namespace Kav
-{
-    public class DirectionalShadowMapData
-    {
-        public static readonly int MAX_SHADOW_CASCADES = 4;
-
-        public RenderTarget2D[] ShadowMaps { get; }
-
-        public Matrix[] LightSpaceViews { get; }
-        public Matrix[] LightSpaceProjections { get; }
-
-        public float[] CascadeFarPlanes { get; }
-
-        public int ShadowMapSize { get; }
-        public int NumShadowCascades { get; }
-
-        internal DirectionalShadowMapData(
-            GraphicsDevice graphicsDevice,
-            int shadowMapSize,
-            int numCascades
-        ) {
-            ShadowMapSize = shadowMapSize;
-            NumShadowCascades = (int)MathHelper.Clamp(numCascades, 1, MAX_SHADOW_CASCADES);
-
-            LightSpaceViews = new Matrix[4];
-            LightSpaceProjections = new Matrix[4];
-
-            ShadowMaps = new RenderTarget2D[NumShadowCascades];
-
-            for (var i = 0; i < NumShadowCascades; i++)
-            {
-                ShadowMaps[i] = new RenderTarget2D(
-                    graphicsDevice,
-                    shadowMapSize,
-                    shadowMapSize,
-                    false,
-                    SurfaceFormat.Single,
-                    DepthFormat.Depth24,
-                    0,
-                    RenderTargetUsage.PreserveContents
-                );
-            }
-
-            CascadeFarPlanes = new float[MAX_SHADOW_CASCADES];
-        }
-
-        public void Clear(GraphicsDevice graphicsDevice)
-        {
-            foreach (var shadowMap in ShadowMaps)
-            {
-                graphicsDevice.SetRenderTarget(shadowMap);
-                graphicsDevice.Clear(Color.White);
-            }
-        }
-    }
-}

EffectInterfaces/IHasTranslation.cs

@@ -1,9 +0,0 @@
-using Microsoft.Xna.Framework;
-
-namespace Kav
-{
-    public interface IHasTranslation
-    {
-        Vector3 Translation { get; set; }
-    }
-}

EffectInterfaces/IHasWorldMatrix.cs

@@ -1,9 +0,0 @@
-using Microsoft.Xna.Framework;
-
-namespace Kav
-{
-    public interface IHasWorldMatrix
-    {
-        Matrix World { get; set; }
-    }
-}

Effects/DeferredPBREffect.cs

@@ -74,6 +74,32 @@ namespace Kav
             );
         }
 
+        protected DeferredPBREffect(DeferredPBREffect cloneSource) : base(cloneSource)
+        {
+            GPosition = cloneSource.GPosition;
+            GAlbedo = cloneSource.GAlbedo;
+            GNormal = cloneSource.GNormal;
+            GMetallicRoughness = cloneSource.GMetallicRoughness;
+
+            EyePosition = cloneSource.EyePosition;
+
+            PointLights = new PointLightCollection(
+                Parameters["LightPositions"],
+                Parameters["PositionLightColors"],
+                MaxPointLights
+            );
+
+            for (int i = 0; i < MaxPointLights; i++)
+            {
+                PointLights[i] = cloneSource.PointLights[i];
+            }
+        }
+
+        public override Effect Clone()
+        {
+            return new DeferredPBREffect(this);
+        }
+
         protected override void OnApply()
         {
             gPositionParam.SetValue(GPosition);

Effects/DeferredPBR_GBufferEffect.cs

@@ -6,7 +6,8 @@ namespace Kav
     public class DeferredPBR_GBufferEffect : Effect, TransformEffect
     {
         EffectParameter worldParam;
-        EffectParameter viewProjectionParam;
+        EffectParameter worldViewProjectionParam;
+        EffectParameter worldInverseTransposeParam;
 
         EffectParameter albedoTextureParam;
         EffectParameter normalTextureParam;
@@ -16,13 +17,6 @@ namespace Kav
         EffectParameter metallicParam;
         EffectParameter roughnessParam;
 
-        EffectParameter uvOffsetAndDimensionsParam;
-        EffectParameter isSpriteParam;
-
-        EffectParameter numTextureRowsParam;
-        EffectParameter numTextureColumnsParam;
-
-        EffectParameter vertexShaderIndexParam;
         EffectParameter shaderIndexParam;
 
         Matrix world = Matrix.Identity;
@@ -33,18 +27,9 @@ namespace Kav
         float metallic;
         float roughness;
 
-        Vector2 uvOffset;
-        Vector2 subTextureDimensions;
-
-        bool isSprite = false;
-
-        int numTextureRows = 1;
-        int numTextureColumns = 1;
-
         bool albedoTextureEnabled = false;
         bool metallicRoughnessMapEnabled = false;
         bool normalMapEnabled = false;
-        bool hardwareInstancingEnabled = false;
 
         EffectDirtyFlags dirtyFlags = EffectDirtyFlags.All;
 
@@ -54,7 +39,7 @@ namespace Kav
             set
             {
                 world = value;
-                dirtyFlags |= EffectDirtyFlags.World;
+                dirtyFlags |= EffectDirtyFlags.World | EffectDirtyFlags.WorldViewProj;
             }
         }
 
@@ -64,7 +49,7 @@ namespace Kav
             set
             {
                 view = value;
-                dirtyFlags |= EffectDirtyFlags.ViewProj | EffectDirtyFlags.EyePosition;
+                dirtyFlags |= EffectDirtyFlags.WorldViewProj | EffectDirtyFlags.EyePosition;
             }
         }
 
@@ -74,7 +59,7 @@ namespace Kav
             set
             {
                 projection = value;
-                dirtyFlags |= EffectDirtyFlags.ViewProj;
+                dirtyFlags |= EffectDirtyFlags.WorldViewProj;
             }
         }
 
@@ -115,7 +100,7 @@ namespace Kav
             {
                 albedoTextureParam.SetValue(value);
                 albedoTextureEnabled = value != null;
-                dirtyFlags |= EffectDirtyFlags.PixelShaderIndex;
+                dirtyFlags |= EffectDirtyFlags.ShaderIndex;
             }
         }
 
@@ -126,7 +111,7 @@ namespace Kav
             {
                 normalTextureParam.SetValue(value);
                 normalMapEnabled = value != null;
-                dirtyFlags |= EffectDirtyFlags.PixelShaderIndex;
+                dirtyFlags |= EffectDirtyFlags.ShaderIndex;
             }
         }
 
@@ -137,70 +122,7 @@ namespace Kav
             {
                 metallicRoughnessTextureParam.SetValue(value);
                 metallicRoughnessMapEnabled = value != null;
-                dirtyFlags |= EffectDirtyFlags.PixelShaderIndex;
+                dirtyFlags |= EffectDirtyFlags.ShaderIndex;
-            }
-        }
-
-        public int NumTextureRows
-        {
-            get { return numTextureRows; }
-            set
-            {
-                numTextureRows = value;
-                numTextureRowsParam.SetValue(numTextureRows);
-            }
-        }
-
-        public int NumTextureColumns
-        {
-            get { return numTextureColumns; }
-            set
-            {
-                numTextureColumns = value;
-                numTextureColumnsParam.SetValue(numTextureColumns);
-            }
-        }
-
-        public Vector2 UVOffset
-        {
-            get { return uvOffset; }
-            set
-            {
-                uvOffset = value;
-                dirtyFlags |= EffectDirtyFlags.UVOrDimensions;
-            }
-        }
-
-        public Vector2 SubTextureDimensions
-        {
-            get { return subTextureDimensions; }
-            set
-            {
-                subTextureDimensions = value;
-                dirtyFlags |= EffectDirtyFlags.UVOrDimensions;
-            }
-        }
-
-        public bool IsSprite
-        {
-            get { return isSprite; }
-            set
-            {
-                isSprite = value;
-                isSpriteParam.SetValue(isSprite ? 1f : 0f);
-            }
-        }
-
-        public bool HardwareInstancingEnabled
-        {
-            get { return hardwareInstancingEnabled; }
-            set
-            {
-                if (value != hardwareInstancingEnabled)
-                {
-                    hardwareInstancingEnabled = value;
-                    dirtyFlags |= EffectDirtyFlags.VertexShaderIndex;
-                }
             }
         }
 
@@ -237,40 +159,30 @@ namespace Kav
             {
                 worldParam.SetValue(world);
 
+                Matrix.Invert(ref world, out Matrix worldInverse);
+                Matrix.Transpose(ref worldInverse, out Matrix worldInverseTranspose);
+                worldInverseTransposeParam.SetValue(worldInverseTranspose);
+
                 dirtyFlags &= ~EffectDirtyFlags.World;
             }
 
-            if ((dirtyFlags & EffectDirtyFlags.ViewProj) != 0)
+            if ((dirtyFlags & EffectDirtyFlags.WorldViewProj) != 0)
             {
-                Matrix.Multiply(ref view, ref projection, out Matrix viewProj);
+                Matrix.Multiply(ref world, ref view, out Matrix worldView);
-                viewProjectionParam.SetValue(viewProj);
+                Matrix.Multiply(ref worldView, ref projection, out Matrix worldViewProj);
+                worldViewProjectionParam.SetValue(worldViewProj);
 
-                dirtyFlags &= ~EffectDirtyFlags.ViewProj;
+                dirtyFlags &= ~EffectDirtyFlags.WorldViewProj;
             }
 
-            if ((dirtyFlags & EffectDirtyFlags.UVOrDimensions) != 0)
+            if ((dirtyFlags & EffectDirtyFlags.EyePosition) != 0)
             {
-                uvOffsetAndDimensionsParam.SetValue(new Vector4(
+                Matrix.Invert(ref view, out Matrix inverseView);
-                    UVOffset.X, UVOffset.Y,
-                    SubTextureDimensions.X, SubTextureDimensions.Y
-                ));
 
-                dirtyFlags &= ~EffectDirtyFlags.UVOrDimensions;
+                dirtyFlags &= ~EffectDirtyFlags.EyePosition;
             }
 
-            if ((dirtyFlags & EffectDirtyFlags.VertexShaderIndex) != 0)
+            if ((dirtyFlags & EffectDirtyFlags.ShaderIndex) != 0)
-            {
-                int vertexShaderIndex = 0;
-
-                if (hardwareInstancingEnabled)
-                {
-                    vertexShaderIndex = 1;
-                }
-
-                vertexShaderIndexParam.SetValue(vertexShaderIndex);
-            }
-
-            if ((dirtyFlags & EffectDirtyFlags.PixelShaderIndex) != 0)
             {
                 int shaderIndex = 0;
 
@@ -305,14 +217,15 @@ namespace Kav
 
                 shaderIndexParam.SetValue(shaderIndex);
 
-                dirtyFlags &= ~EffectDirtyFlags.PixelShaderIndex;
+                dirtyFlags &= ~EffectDirtyFlags.ShaderIndex;
             }
         }
 
         void CacheEffectParameters()
         {
             worldParam = Parameters["World"];
-            viewProjectionParam = Parameters["ViewProjection"];
+            worldViewProjectionParam = Parameters["WorldViewProjection"];
+            worldInverseTransposeParam = Parameters["WorldInverseTranspose"];
 
             albedoTextureParam = Parameters["AlbedoTexture"];
             normalTextureParam = Parameters["NormalTexture"];
@@ -322,14 +235,7 @@ namespace Kav
             metallicParam = Parameters["MetallicValue"];
             roughnessParam = Parameters["RoughnessValue"];
 
-            numTextureRowsParam = Parameters["NumTextureRows"];
+            shaderIndexParam = Parameters["ShaderIndex"];
-            numTextureColumnsParam = Parameters["NumTextureColumns"];
-
-            uvOffsetAndDimensionsParam = Parameters["UVOffsetAndDimensions"];
-            isSpriteParam = Parameters["IsSprite"];
-
-            shaderIndexParam = Parameters["PixelShaderIndex"];
-            vertexShaderIndexParam = Parameters["VertexShaderIndex"];
         }
     }
 }

Effects/DeferredPBR_PointLightEffect.cs

@@ -18,8 +18,6 @@ namespace Kav
 
         EffectParameter farPlaneParam;
 
-        EffectParameter worldViewProjectionParam;
-
         public Texture2D GPosition { get; set; }
         public Texture2D GAlbedo { get; set; }
         public Texture2D GNormal { get; set; }
@@ -33,42 +31,6 @@ namespace Kav
 
         public float FarPlane { get; set; }
 
-        Matrix world = Matrix.Identity;
-        Matrix view = Matrix.Identity;
-        Matrix projection = Matrix.Identity;
-
-        EffectDirtyFlags dirtyFlags = EffectDirtyFlags.All;
-
-        public Matrix World
-        {
-            get { return world; }
-            set
-            {
-                world = value;
-                dirtyFlags |= EffectDirtyFlags.WorldViewProj;
-            }
-        }
-
-        public Matrix View
-        {
-            get { return view; }
-            set
-            {
-                view = value;
-                dirtyFlags |= EffectDirtyFlags.WorldViewProj;
-            }
-        }
-
-        public Matrix Projection
-        {
-            get { return projection; }
-            set
-            {
-                projection = value;
-                dirtyFlags |= EffectDirtyFlags.WorldViewProj;
-            }
-        }
-
         public DeferredPBR_PointLightEffect(GraphicsDevice graphicsDevice) : base(graphicsDevice, Resources.DeferredPBR_PointLightEffect)
         {
             CacheEffectParameters();
@@ -111,13 +73,6 @@ namespace Kav
             pointLightColorParam.SetValue(PointLightColor);
 
             farPlaneParam.SetValue(FarPlane);
-
-            if ((dirtyFlags & EffectDirtyFlags.WorldViewProj) != 0)
-            {
-                worldViewProjectionParam.SetValue(world * view * projection);
-
-                dirtyFlags &= ~EffectDirtyFlags.WorldViewProj;
-            }
         }
 
         void CacheEffectParameters()
@@ -134,8 +89,6 @@ namespace Kav
             pointLightColorParam           = Parameters["PointLightColor"];
 
             farPlaneParam                  = Parameters["FarPlane"];
-
-            worldViewProjectionParam       = Parameters["WorldViewProjection"];
         }
     }
 }

Effects/DeferredPBR_SpotLightEffect.cs

@@ -0,0 +1,79 @@
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Graphics;
+
+namespace Kav
+{
+    public class DeferredPBR_SpotLightEffect : Effect
+    {
+        EffectParameter gPositionParam;
+        EffectParameter gAlbedoParam;
+        EffectParameter gNormalParam;
+        EffectParameter gMetallicRoughnessParam;
+        EffectParameter shadowMapParam;
+
+        EffectParameter eyePositionParam;
+
+        EffectParameter lightPositionParam;
+        EffectParameter lightDirectionParam;
+        EffectParameter lightColorParam;
+        EffectParameter lightCutoffParam;
+
+        EffectParameter farPlaneParam;
+
+        public Texture2D GPosition { get; set; }
+        public Texture2D GAlbedo { get; set; }
+        public Texture2D GNormal { get; set; }
+        public Texture2D GMetallicRoughness { get; set; }
+        public TextureCube ShadowMap { get; set; }
+
+        public Vector3 EyePosition { get; set; }
+
+        public Vector3 LightPosition { get; set; }
+        public Vector3 LightDirection { get; set; }
+        public Vector3 LightColor { get; set; }
+        public float LightCutoff { get; set; } //could be named lightangle?
+
+        public float FarPlane { get; set; }
+
+        public DeferredPBR_SpotLightEffect(GraphicsDevice graphicsDevice) : base(graphicsDevice, Resources.DeferredPBR_SpotLightEffect)
+        {
+            CacheEffectParameters();
+        }
+
+        protected override void OnApply()
+        {
+            gPositionParam.SetValue(GPosition);
+            gAlbedoParam.SetValue(GAlbedo);
+            gNormalParam.SetValue(GNormal);
+            gMetallicRoughnessParam.SetValue(GMetallicRoughness);
+            shadowMapParam.SetValue(ShadowMap);
+
+            eyePositionParam.SetValue(EyePosition);
+
+            lightPositionParam.SetValue(LightPosition);
+            lightDirectionParam.SetValue(LightDirection);
+            lightColorParam.SetValue(LightColor);
+            lightCutoffParam.SetValue(LightCutoff);
+
+            farPlaneParam.SetValue(FarPlane);
+        }
+
+        private void CacheEffectParameters()
+        {
+            gPositionParam            = Parameters["gPosition"];
+            gAlbedoParam              = Parameters["gAlbedo"];
+            gNormalParam              = Parameters["gNormal"];
+            gMetallicRoughnessParam   = Parameters["gMetallicRoughness"];
+            shadowMapParam            = Parameters["shadowMap"];
+
+            eyePositionParam          = Parameters["EyePosition"];
+
+            lightPositionParam        = Parameters["LightPosition"];
+            lightDirectionParam       = Parameters["LightDirection"];
+            lightColorParam           = Parameters["LightColor"];
+            lightCutoffParam          = Parameters["LightCutoff"];
+
+            farPlaneParam             = Parameters["FarPlane"];
+        }
+    }
+}

Effects/DiffuseLitSpriteEffect.cs

@@ -1,210 +0,0 @@
-using Kav.Data;
-using Microsoft.Xna.Framework;
-using Microsoft.Xna.Framework.Graphics;
-
-namespace Kav
-{
-    public class DiffuseLitSpriteEffect : Effect
-    {
-        EffectParameter ambientColorParam;
-
-        EffectParameter directionalLightDirectionParam;
-        EffectParameter directionalLightColorParam;
-
-        EffectParameter uvOffsetAndDimensionsParam;
-
-        EffectParameter worldParam;
-        EffectParameter worldViewProjectionParam;
-        EffectParameter worldInverseTransposeParam;
-
-        EffectParameter shaderIndexParam;
-
-        Texture2D texture;
-        Texture2D normal;
-
-        bool normalMapEnabled = false;
-
-        Vector3 ambientColor;
-
-        Vector3 directionalLightDirection;
-        Vector3 directionalLightColor;
-
-        Matrix world = Matrix.Identity;
-        Matrix view = Matrix.Identity;
-        Matrix projection = Matrix.Identity;
-
-        Vector2 uvOffset;
-        Vector2 subTextureDimensions;
-
-        EffectDirtyFlags dirtyFlags = EffectDirtyFlags.All;
-
-        public bool NormalMapEnabled
-        {
-            get { return normalMapEnabled; }
-            set
-            {
-                if (normalMapEnabled != value)
-                {
-                    normalMapEnabled = value;
-                    dirtyFlags |= EffectDirtyFlags.PixelShaderIndex;
-                }
-            }
-        }
-
-        public Matrix World
-        {
-            get { return world; }
-            set
-            {
-                world = value;
-                dirtyFlags |= EffectDirtyFlags.World | EffectDirtyFlags.WorldViewProj;
-            }
-        }
-
-        public Matrix View
-        {
-            get { return view; }
-            set
-            {
-                view = value;
-                dirtyFlags |= EffectDirtyFlags.WorldViewProj | EffectDirtyFlags.EyePosition;
-            }
-        }
-
-        public Matrix Projection
-        {
-            get { return projection; }
-            set
-            {
-                projection = value;
-                dirtyFlags |= EffectDirtyFlags.WorldViewProj;
-            }
-        }
-
-        public int MaxPointLights { get; } = 8;
-
-        public Vector3 AmbientColor
-        {
-            get { return ambientColor; }
-            set
-            {
-                ambientColor = value;
-                ambientColorParam.SetValue(ambientColor);
-            }
-        }
-
-        public PointLightCollection PointLights { get; private set; }
-
-        public Vector3 DirectionalLightDirection
-        {
-            get { return directionalLightDirection; }
-            set
-            {
-                directionalLightDirection = value;
-                directionalLightDirectionParam.SetValue(directionalLightDirection);
-            }
-        }
-
-        public Vector3 DirectionalLightColor
-        {
-            get { return directionalLightColor; }
-            set
-            {
-                directionalLightColor = value;
-                directionalLightColorParam.SetValue(directionalLightColor);
-            }
-        }
-
-        public Vector2 UVOffset
-        {
-            get { return uvOffset; }
-            set
-            {
-                uvOffset = value;
-                dirtyFlags |= EffectDirtyFlags.UVOrDimensions;
-            }
-        }
-
-        public Vector2 SubTextureDimensions
-        {
-            get { return subTextureDimensions; }
-            set
-            {
-                subTextureDimensions = value;
-                dirtyFlags |= EffectDirtyFlags.UVOrDimensions;
-            }
-        }
-
-        public DiffuseLitSpriteEffect(GraphicsDevice graphicsDevice) : base(graphicsDevice, Resources.DiffuseLitSpriteEffect)
-        {
-            CacheEffectParameters();
-
-            PointLights = new PointLightCollection(
-                Parameters["PointLightPositions"],
-                Parameters["PointLightColors"],
-                MaxPointLights
-            );
-        }
-
-        protected override void OnApply()
-        {
-            if ((dirtyFlags & EffectDirtyFlags.World) != 0)
-            {
-                worldParam.SetValue(world);
-
-                Matrix.Invert(ref world, out Matrix worldInverse);
-                Matrix.Transpose(ref worldInverse, out Matrix worldInverseTranspose);
-                worldInverseTransposeParam.SetValue(worldInverseTranspose);
-
-                dirtyFlags &= ~EffectDirtyFlags.World;
-            }
-
-            if ((dirtyFlags & EffectDirtyFlags.WorldViewProj) != 0)
-            {
-                Matrix.Multiply(ref world, ref view, out Matrix worldView);
-                Matrix.Multiply(ref worldView, ref projection, out Matrix worldViewProj);
-                worldViewProjectionParam.SetValue(worldViewProj);
-
-                dirtyFlags &= ~EffectDirtyFlags.WorldViewProj;
-            }
-
-            if ((dirtyFlags & EffectDirtyFlags.UVOrDimensions) != 0)
-            {
-                uvOffsetAndDimensionsParam.SetValue(new Vector4(
-                    UVOffset.X, UVOffset.Y,
-                    SubTextureDimensions.X, SubTextureDimensions.Y
-                ));
-
-                dirtyFlags &= ~EffectDirtyFlags.UVOrDimensions;
-            }
-
-            if ((dirtyFlags & EffectDirtyFlags.PixelShaderIndex) != 0)
-            {
-                int shaderIndex = 0;
-
-                if (normalMapEnabled)
-                {
-                    shaderIndex = 1;
-                }
-
-                shaderIndexParam.SetValue(shaderIndex);
-            }
-        }
-
-        private void CacheEffectParameters()
-        {
-            worldParam = Parameters["World"];
-            worldViewProjectionParam = Parameters["WorldViewProjection"];
-            worldInverseTransposeParam = Parameters["WorldInverseTranspose"];
-
-            ambientColorParam = Parameters["AmbientColor"];
-
-            directionalLightDirectionParam = Parameters["DirectionalLightDirection"];
-            directionalLightColorParam = Parameters["DirectionalLightColor"];
-
-            uvOffsetAndDimensionsParam = Parameters["UVOffsetAndDimensions"];
-
-            shaderIndexParam = Parameters["ShaderIndex"];
-        }
-    }
-}

Effects/EffectHelpers.cs

@@ -8,10 +8,7 @@ namespace Kav
         WorldViewProj = 1,
         World = 2,
         EyePosition = 4,
-        VertexShaderIndex = 8,
+        ShaderIndex = 8,
-        PixelShaderIndex = 16,
-        ViewProj = 32,
-        UVOrDimensions = 64,
         All = -1
     }
 }

Effects/HLSL/DeferredPBR_GBufferEffect.fx

@@ -4,22 +4,17 @@ DECLARE_TEXTURE(AlbedoTexture, 0);
 DECLARE_TEXTURE(NormalTexture, 1);
 DECLARE_TEXTURE(MetallicRoughnessTexture, 2);
 
-float4 UVOffsetAndDimensions;
-float IsSprite;
-
 BEGIN_CONSTANTS
 
     float3 AlbedoValue                         _ps(c0)    _cb(c0);
     float MetallicValue                        _ps(c1)    _cb(c1);
     float RoughnessValue                       _ps(c2)    _cb(c2);
 
-    int NumTextureRows              _vs(c9)               _cb(c3);
-    int NumTextureColumns           _vs(c10)              _cb(c4);
-
 MATRIX_CONSTANTS
 
     float4x4 World                  _vs(c0)               _cb(c7);
-    float4x4 ViewProjection         _vs(c4)               _cb(c11);
+    float4x4 WorldInverseTranspose  _vs(c4)               _cb(c11);
+    float4x4 WorldViewProjection    _vs(c8)               _cb(c15);
 
 END_CONSTANTS
 
@@ -27,7 +22,7 @@ struct VertexInput
 {
     float4 Position : POSITION;
     float3 Normal   : NORMAL;
-    float2 TexCoord : TEXCOORD;
+    float2 TexCoord : TEXCOORD0;
 };
 
 struct PixelInput
@@ -53,44 +48,9 @@ PixelInput main_vs(VertexInput input)
     PixelInput output;
 
     output.PositionWorld = mul(input.Position, World).xyz;
-    output.NormalWorld = normalize(mul(input.Normal, World));
+    output.NormalWorld = mul(input.Normal, (float3x3)WorldInverseTranspose).xyz;
-
+    output.TexCoord = input.TexCoord;
-    float2 texCoord;
+    output.Position = mul(input.Position, WorldViewProjection);
-    texCoord.x = (input.TexCoord.x * UVOffsetAndDimensions.z) + UVOffsetAndDimensions.x;
-    texCoord.y = (input.TexCoord.y * UVOffsetAndDimensions.w) + UVOffsetAndDimensions.y;
-    output.TexCoord = texCoord;
-
-    float4x4 worldViewProjection = mul(World, ViewProjection);
-    output.Position = mul(input.Position, worldViewProjection);
-
-    return output;
-}
-
-PixelInput instanced_vs(
-    VertexInput input,
-    float3 Translation : TEXCOORD2,
-    float2 UVOffset    : TEXCOORD5
-) {
-    PixelInput output;
-
-    float4x4 world = float4x4(
-        float4(1, 0, 0, 0),
-        float4(0, 1, 0, 0),
-        float4(0, 0, 1, 0),
-        float4(Translation.x, Translation.y, Translation.z, 1)
-    );
-
-    float4x4 worldViewProjection = mul(world, ViewProjection);
-
-    output.PositionWorld = mul(input.Position, world);
-    output.NormalWorld = mul(input.Normal, world);
-
-    float2 texCoord;
-    texCoord.x = (input.TexCoord.x / NumTextureColumns + UVOffset.x);
-    texCoord.y = (input.TexCoord.y / NumTextureRows + UVOffset.y);
-    output.TexCoord = texCoord;
-
-    output.Position = mul(input.Position, worldViewProjection);
 
     return output;
 }
@@ -120,7 +80,7 @@ PixelOutput NonePS(PixelInput input)
     PixelOutput output;
 
     output.gPosition = float4(input.PositionWorld, 1.0);
-    output.gNormal = float4(normalize(input.NormalWorld), IsSprite);
+    output.gNormal = float4(normalize(input.NormalWorld), 1.0);
     output.gAlbedo = float4(AlbedoValue, 1.0);
     output.gMetallicRoughness = float4(MetallicValue, RoughnessValue, 0.0, 1.0);
 
@@ -132,12 +92,10 @@ PixelOutput AlbedoPS(PixelInput input)
     PixelOutput output;
 
     output.gPosition = float4(input.PositionWorld, 1.0);
-    output.gNormal = float4(normalize(input.NormalWorld), IsSprite);
+    output.gNormal = float4(normalize(input.NormalWorld), 1.0);
     output.gAlbedo = SAMPLE_TEXTURE(AlbedoTexture, input.TexCoord);
     output.gMetallicRoughness = float4(MetallicValue, RoughnessValue, 0.0, 1.0);
 
-    if (output.gAlbedo.a == 0.0) { discard; }
-
     return output;
 }
 
@@ -146,7 +104,7 @@ PixelOutput MetallicRoughnessPS(PixelInput input)
     PixelOutput output;
 
     output.gPosition = float4(input.PositionWorld, 1.0);
-    output.gNormal = float4(normalize(input.NormalWorld), IsSprite);
+    output.gNormal = float4(normalize(input.NormalWorld), 1.0);
     output.gAlbedo = float4(AlbedoValue, 1.0);
     output.gMetallicRoughness = SAMPLE_TEXTURE(MetallicRoughnessTexture, input.TexCoord);
 
@@ -158,7 +116,7 @@ PixelOutput NormalPS(PixelInput input)
     PixelOutput output;
 
     output.gPosition = float4(input.PositionWorld, 1.0);
-    output.gNormal = float4(GetNormalFromMap(input.PositionWorld, input.TexCoord, input.NormalWorld), IsSprite);
+    output.gNormal = float4(GetNormalFromMap(input.PositionWorld, input.TexCoord, input.NormalWorld), 1.0);
     output.gAlbedo = float4(AlbedoValue, 1.0);
     output.gMetallicRoughness = float4(MetallicValue, RoughnessValue, 0.0, 1.0);
 
@@ -170,12 +128,10 @@ PixelOutput AlbedoMetallicRoughnessPS(PixelInput input)
     PixelOutput output;
 
     output.gPosition = float4(input.PositionWorld, 1.0);
-    output.gNormal = float4(normalize(input.NormalWorld), IsSprite);
+    output.gNormal = float4(normalize(input.NormalWorld), 1.0);
     output.gAlbedo = SAMPLE_TEXTURE(AlbedoTexture, input.TexCoord);
     output.gMetallicRoughness = SAMPLE_TEXTURE(MetallicRoughnessTexture, input.TexCoord);
 
-    if (output.gAlbedo.a == 0.0) { discard; }
-
     return output;
 }
 
@@ -184,12 +140,10 @@ PixelOutput AlbedoNormalPS(PixelInput input)
     PixelOutput output;
 
     output.gPosition = float4(input.PositionWorld, 1.0);
-    output.gNormal = float4(GetNormalFromMap(input.PositionWorld, input.TexCoord, input.NormalWorld), IsSprite);
+    output.gNormal = float4(GetNormalFromMap(input.PositionWorld, input.TexCoord, input.NormalWorld), 1.0);
     output.gAlbedo = SAMPLE_TEXTURE(AlbedoTexture, input.TexCoord);
     output.gMetallicRoughness = float4(MetallicValue, RoughnessValue, 0.0, 1.0);
 
-    if (output.gAlbedo.a == 0.0) { discard; }
-
     return output;
 }
 
@@ -198,7 +152,7 @@ PixelOutput MetallicRoughnessNormalPS(PixelInput input)
     PixelOutput output;
 
     output.gPosition = float4(input.PositionWorld, 1.0);
-    output.gNormal = float4(GetNormalFromMap(input.PositionWorld, input.TexCoord, input.NormalWorld), IsSprite);
+    output.gNormal = float4(GetNormalFromMap(input.PositionWorld, input.TexCoord, input.NormalWorld), 1.0);
     output.gAlbedo = float4(AlbedoValue, 1.0);
     output.gMetallicRoughness = SAMPLE_TEXTURE(MetallicRoughnessTexture, input.TexCoord);
 
@@ -210,28 +164,13 @@ PixelOutput AlbedoMetallicRoughnessNormalMapPS(PixelInput input)
     PixelOutput output;
 
     output.gPosition = float4(input.PositionWorld, 1.0);
-    output.gNormal = float4(GetNormalFromMap(input.PositionWorld, input.TexCoord, input.NormalWorld), IsSprite);
+    output.gNormal = float4(GetNormalFromMap(input.PositionWorld, input.TexCoord, input.NormalWorld), 1.0);
     output.gAlbedo = SAMPLE_TEXTURE(AlbedoTexture, input.TexCoord);
     output.gMetallicRoughness = SAMPLE_TEXTURE(MetallicRoughnessTexture, input.TexCoord);
 
-    if (output.gAlbedo.a == 0.0) { discard; }
-
     return output;
 }
 
-VertexShader VSArray[2] =
-{
-    compile vs_3_0 main_vs(),
-    compile vs_3_0 instanced_vs()
-};
-
-int VSIndices[2] =
-{
-    0, 1
-};
-
-int VertexShaderIndex = 0;
-
 PixelShader PSArray[8] =
 {
     compile ps_3_0 NonePS(),
@@ -252,13 +191,13 @@ int PSIndices[8] =
     0, 1, 2, 3, 4, 5, 6, 7
 };
 
-int PixelShaderIndex = 0;
+int ShaderIndex = 0;
 
 Technique GBuffer
 {
     Pass
     {
-        VertexShader = (VSArray[VSIndices[VertexShaderIndex]]);
+        VertexShader = compile vs_3_0 main_vs();
-        PixelShader  = (PSArray[PSIndices[PixelShaderIndex]]);
+        PixelShader = (PSArray[PSIndices[ShaderIndex]]);
     }
 }

Effects/HLSL/DeferredPBR_PointLightEffect.fx

@@ -1,5 +1,3 @@
-// Assumes you are drawing a sphere!!
-
 #include "Macros.fxh" //from FNA
 #include "Lighting.fxh" 
 #include "Shadow.fxh"
@@ -21,27 +19,26 @@ BEGIN_CONSTANTS
 
 MATRIX_CONSTANTS
 
-    float4x4 WorldViewProjection _vs(c0)                _cb(c4);
-
 END_CONSTANTS
 
 struct VertexInput
 {
     float4 Position : POSITION;
+    float2 TexCoord : TEXCOORD;
 };
 
 struct PixelInput
 {
     float4 Position : SV_POSITION;
-    float4 ScreenPosition : TEXCOORD0;
+    float2 TexCoord : TEXCOORD0;
 };
 
 PixelInput main_vs(VertexInput input)
 {
     PixelInput output;
 
-    output.Position = mul(input.Position, WorldViewProjection);
+    output.Position = input.Position;
-    output.ScreenPosition = output.Position;
+    output.TexCoord = input.TexCoord;
     
     return output;
 }
@@ -71,41 +68,22 @@ float4 ComputeColor(
     float3 color = ComputeLight(L, radiance, F0, V, N, albedo, metallic, roughness, shadow);
 
     return float4(color, 1.0);
-    //return float4(shadow, shadow, shadow, 1.0);
 }
 
 float4 main_ps(PixelInput input) : SV_TARGET0
 {
-    input.ScreenPosition.xy /= input.ScreenPosition.w;
+    float3 worldPosition = SAMPLE_TEXTURE(gPosition, input.TexCoord).rgb;
-    float2 texCoord = 0.5f * float2(input.ScreenPosition.x,-input.ScreenPosition.y) + 0.5f;
+    float3 normal = SAMPLE_TEXTURE(gNormal, input.TexCoord).xyz;
+    float3 albedo = SAMPLE_TEXTURE(gAlbedo, input.TexCoord).rgb;
+    float2 metallicRoughness = SAMPLE_TEXTURE(gMetallicRoughness, input.TexCoord).rg;
 
-    float3 worldPosition = SAMPLE_TEXTURE(gPosition, texCoord).rgb;
+    return ComputeColor(
-    float4 normalSample = SAMPLE_TEXTURE(gNormal, texCoord);
+        worldPosition,
-    float3 normal = normalSample.xyz;
+        normal,
-    float isSprite = normalSample.a;
+        albedo,
-    float3 albedo = SAMPLE_TEXTURE(gAlbedo, texCoord).rgb;
+        metallicRoughness.r,
-    float2 metallicRoughness = SAMPLE_TEXTURE(gMetallicRoughness, texCoord).rg;
+        metallicRoughness.g
-
+    );
-    if (isSprite == 1.0)
-    {
-        float3 lightDir = PointLightPosition - worldPosition;
-        float3 L = normalize(lightDir);
-        float distance = length(lightDir);
-        float attenuation = 1.0 / (distance * distance);
-        float3 radiance = PointLightColor * attenuation;
-
-        return float4(albedo * radiance * 0.1, 1.0);
-    }
-    else
-    {
-        return ComputeColor(
-            worldPosition,
-            normal,
-            albedo,
-            metallicRoughness.r,
-            metallicRoughness.g
-        );
-    }
 }
 
 Technique DeferredPBR_Point

Effects/HLSL/DeferredPBR_SpotLightEffect.fx

@@ -0,0 +1,109 @@
+#include "Macros.fxh" //from FNA
+#include "Lighting.fxh" 
+#include "Shadow.fxh"
+
+DECLARE_TEXTURE(gPosition, 0);
+DECLARE_TEXTURE(gAlbedo, 1);
+DECLARE_TEXTURE(gNormal, 2);
+DECLARE_TEXTURE(gMetallicRoughness, 3);
+DECLARE_CUBEMAP(shadowMap, 4);
+
+BEGIN_CONSTANTS
+
+    float3 EyePosition                 _ps(c0)     _cb(c0);
+    
+    float3 LightPosition               _ps(c1)     _cb(c1);
+    float3 LightDirection              _ps(c2)     _cb(c2);
+    float3 LightColor                  _ps(c3)     _cb(c3);
+    float LightCutoff                  _ps(c4)     _cb(c4);
+
+    float FarPlane                     _ps(c5)     _cb(c5);
+
+MATRIX_CONSTANTS
+
+END_CONSTANTS
+
+struct VertexInput
+{
+    float4 Position : POSITION;
+    float2 TexCoord : TEXCOORD;
+};
+
+struct PixelInput
+{
+    float4 Position : SV_POSITION;
+    float2 TexCoord : TEXCOORD0;
+};
+
+PixelInput main_vs(VertexInput input)
+{
+    PixelInput output;
+
+    output.Position = input.Position;
+    output.TexCoord = input.TexCoord;
+    
+    return output;
+}
+
+// Pixel Shader
+
+float4 ComputeColor(
+    float3 worldPosition,
+    float3 worldNormal,
+    float3 albedo,
+    float metallic,
+    float roughness
+) {
+    float3 V = normalize(EyePosition - worldPosition);
+    float3 N = normalize(worldNormal);
+
+    float3 F0 = float3(0.04, 0.04, 0.04);
+    F0 = lerp(F0, albedo, metallic);
+
+    float3 lightDir = LightPosition - worldPosition;
+    float3 L = normalize(lightDir);
+    float distance = length(lightDir);
+    float attenuation = 1.0 / (distance * distance);
+    float3 radiance = LightColor * attenuation;
+
+    //float shadow = HardPointShadow(worldPosition, N, L, PointLightPosition, SAMPLER(shadowMap), FarPlane);
+    float3 color = ComputeLight(L, radiance, F0, V, N, albedo, metallic, roughness, 1.0);
+
+    return float4(color, 1.0);
+}
+
+float4 main_ps(PixelInput input) : SV_TARGET0
+{
+    float3 worldPosition = SAMPLE_TEXTURE(gPosition, input.TexCoord).rgb;
+    float3 normal = SAMPLE_TEXTURE(gNormal, input.TexCoord).xyz;
+    float3 albedo = SAMPLE_TEXTURE(gAlbedo, input.TexCoord).rgb;
+    float2 metallicRoughness = SAMPLE_TEXTURE(gMetallicRoughness, input.TexCoord).rg;
+
+    float3 lightDir = normalize(LightPosition - worldPosition);
+
+    float theta = dot(lightDir, normalize(-LightDirection));
+
+    if (theta > LightCutoff)
+    {
+        return ComputeColor(
+            worldPosition,
+            normal,
+            albedo,
+            metallicRoughness.r,
+            metallicRoughness.g
+        );
+    }
+    else
+    {
+        return float4(0.0, 0.0, 0.0, 1.0);
+    }
+}
+
+Technique DeferredPBR_Point
+{
+    Pass
+    {
+        VertexShader = compile vs_3_0 main_vs();
+        PixelShader = compile ps_3_0 main_ps();
+    }
+}

Effects/HLSL/DiffuseLitSpriteEffect.fx

@@ -1,140 +0,0 @@
-#include "Macros.fxh" //from FNA
-
-// Effect applies normalmapped lighting to a 2D sprite.
-
-DECLARE_TEXTURE(Texture, 0);
-DECLARE_TEXTURE(Normal, 1);
-
-float3 AmbientColor;
-
-float3 PointLightPositions[8];
-float3 PointLightColors[8];
-
-float3 DirectionalLightDirection;
-float3 DirectionalLightColor;
-
-float4 UVOffsetAndDimensions;
-
-float4x4 WorldInverseTranspose;
-float4x4 World;
-float4x4 WorldViewProjection;
-
-struct VertexShaderInput
-{
-    float4 Position : POSITION;
-    float3 Normal   : NORMAL;
-    float2 TexCoord : TEXCOORD0;
-};
-
-struct PixelShaderInput
-{
-    float4 Position     : SV_Position;
-    float2 TexCoord     : TEXCOORD0;
-    float3 NormalWS     : TEXCOORD1;
-    float3 PositionWS   : TEXCOORD2;
-};
-
-PixelShaderInput main_vs(VertexShaderInput input)
-{
-    PixelShaderInput output;
-
-    output.Position = mul(input.Position, WorldViewProjection);
-    output.NormalWS = normalize(mul(input.Normal, (float3x3)WorldInverseTranspose));
-    output.PositionWS = mul(input.Position, World).xyz;
-
-    float2 texCoord;
-    texCoord.x = (input.TexCoord.x * UVOffsetAndDimensions.z) + UVOffsetAndDimensions.x;
-    texCoord.y = (input.TexCoord.y * UVOffsetAndDimensions.w) + UVOffsetAndDimensions.y;
-    output.TexCoord = texCoord;
-
-    return output;
-}
-
-// Easy trick to get tangent-normals to world-space to keep PBR code simplified.
-float3 GetNormalFromMap(float3 worldPos, float2 texCoords, float3 normal)
-{
-    float3 tangentNormal = SAMPLE_TEXTURE(Normal, texCoords).xyz * 2.0 - 1.0;
-
-    float3 Q1  = ddx(worldPos);
-    float3 Q2  = ddy(worldPos);
-    float2 st1 = ddx(texCoords);
-    float2 st2 = ddy(texCoords);
-
-    float3 N   = normalize(normal);
-    float3 T  = normalize(Q1*st2.y - Q2*st1.y);
-    float3 B  = -normalize(cross(N, T));
-    float3x3 TBN = float3x3(T, B, N);
-
-    return normalize(mul(tangentNormal, TBN));
-}
-
-float4 LightColor(float3 worldPosition, float3 worldNormal)
-{
-    float3 lightColor = float3(0.0, 0.0, 0.0);
-
-    // point lights
-    for (int i = 0; i < 8; i++)
-    {
-        float3 lightVec = PointLightPositions[i] - worldPosition;
-        float distance = length(lightVec);
-
-        float3 lightDir = normalize(lightVec);
-        float diffuse = max(dot(worldNormal, lightDir), 0.0);
-        float3 attenuation = 1.0 / (distance * distance);
-
-        lightColor += diffuse * attenuation * PointLightColors[i];
-    }
-
-    // directional light
-    float directionalDiffuse = max(dot(worldNormal, DirectionalLightDirection), 0.0);
-    lightColor += directionalDiffuse * DirectionalLightColor;
-
-    // ambient light
-    lightColor += AmbientColor;
-
-    return float4(lightColor, 1.0);
-}
-
-float4 WithoutNormalMap(PixelShaderInput input) : COLOR0
-{
-    float4 tex = SAMPLE_TEXTURE(Texture, input.TexCoord);
-
-    if (tex.a == 0.0) { discard; }
-
-    float3 normalWS = normalize(input.NormalWS);
-
-    return tex * LightColor(input.PositionWS, normalWS);
-}
-
-float4 WithNormalMap(PixelShaderInput input) : COLOR0
-{
-    float4 tex = SAMPLE_TEXTURE(Texture, input.TexCoord);
-
-    if (tex.a == 0.0) { discard; }
-
-    float3 normalWS = GetNormalFromMap(input.PositionWS, input.TexCoord, input.NormalWS);
-
-    return tex * LightColor(input.PositionWS, normalWS);
-}
-
-PixelShader PSArray[2] =
-{
-    compile ps_3_0 WithoutNormalMap(),
-    compile ps_3_0 WithNormalMap()
-};
-
-int PSIndices[2] =
-{
-    0, 1
-};
-
-int ShaderIndex = 0;
-
-Technique DiffuseLitSprite
-{
-    pass
-    {
-        VertexShader = compile vs_3_0 main_vs();
-        PixelShader = (PSArray[PSIndices[ShaderIndex]]);
-    }
-}

Effects/HLSL/LinearDepthEffectInstanced.fx

@@ -1,55 +0,0 @@
-#include "Macros.fxh"
-
-BEGIN_CONSTANTS
-
-    float4x4 ViewProjection    _vs(c4)             _cb(c4);
-
-    float3 LightPosition                 _ps(c0)   _cb(c8);
-    float FarPlane                       _ps(c1)   _cb(c9);
-
-END_CONSTANTS
-
-struct VertexShaderInput
-{
-    float4 Position : POSITION;
-};
-
-struct VertexShaderOutput
-{
-    float4 Position : SV_Position;
-    float3 PositionWorld : TEXCOORD0;
-};
-
-VertexShaderOutput instanced_vs(VertexShaderInput input, float3 Translation : TEXCOORD2)
-{
-    VertexShaderOutput output;
-
-    float4x4 world = float4x4(
-        float4(1, 0, 0, 0),
-        float4(0, 1, 0, 0),
-        float4(0, 0, 1, 0),
-        float4(Translation.x, Translation.y, Translation.z, 1)
-    );
-
-    float4x4 worldViewProjection = mul(world, ViewProjection);
-    output.Position = mul(input.Position, worldViewProjection);
-    output.Position.x *= -1; // otherwise cube map render will be horizontally flipped
-    output.PositionWorld = mul(input.Position, world);
-    return output;
-}
-
-float4 main_ps(VertexShaderOutput input) : SV_TARGET0
-{
-    float lightDistance = length(input.PositionWorld - LightPosition);
-    lightDistance /= FarPlane;
-    return float4(lightDistance, 0.0, 0.0, 0.0);
-}
-
-Technique SimpleDepth
-{
-    Pass
-    {
-        VertexShader = compile vs_3_0 instanced_vs();
-        PixelShader  = compile ps_3_0 main_ps();
-    }
-}

Effects/HLSL/PaletteCrushEffect.fx

@@ -1,65 +0,0 @@
-#include "Macros.fxh"
-
-DECLARE_TEXTURE(Texture, 0);
-DECLARE_TEXTURE(Palette, 1);
-
-BEGIN_CONSTANTS
-
-	int PaletteWidth   _ps(c0)   _cb(c0);
-
-END_CONSTANTS
-
-struct VertexInput
-{
-	float4 Position : POSITION;
-	float2 TexCoord : TEXCOORD;
-};
-
-struct PixelInput
-{
-	float4 Position : SV_POSITION;
-	float2 TexCoord : TEXCOORD0;
-};
-
-PixelInput main_vs(VertexInput input)
-{
-	PixelInput output;
-
-	output.Position = input.Position;
-	output.TexCoord = input.TexCoord;
-
-	return output;
-}
-
-float4 main_ps(PixelInput input) : SV_TARGET0
-{
-	float4 sampled = SAMPLE_TEXTURE(Texture, input.TexCoord);
-
-	float3 sampled_color = sampled.rgb;
-	
-	float3 closest_color = float3(0, 0, 0);
-	float closest_dist = 100000;
-
-	for (int i = 0; i < PaletteWidth; i++)
-	{
-		float texX = (i / (float)PaletteWidth);
-		float3 palette_color = SAMPLE_TEXTURE(Palette, float2(texX, 0));
-		float dist = distance(palette_color, sampled_color);
-		if (dist < closest_dist)
-		{
-			closest_dist = dist;
-			closest_color = palette_color;
-		}
-	}
-
-	return float4(closest_color, sampled.a);
-}
-
-Technique PaletteCrush
-{
-	Pass
-	{
-		VertexShader = compile vs_3_0 main_vs();
-		PixelShader = compile ps_3_0 main_ps();
-	}
-}

Effects/HLSL/SimpleDepthEffect.fx

@@ -2,10 +2,9 @@
 
 BEGIN_CONSTANTS
 
-MATRIX_CONSTANTS
+    float4x4 ModelViewProjection    _vs(c0)             _cb(c0);
 
-    float4x4 World             _vs(c0)             _cb(c0);
+MATRIX_CONSTANTS
-    float4x4 ViewProjection    _vs(c4)             _cb(c4);
 
 END_CONSTANTS
 
@@ -16,7 +15,7 @@ struct VertexShaderInput
 
 struct VertexShaderOutput
 {
-    float4 Position : SV_POSITION;
+    float4 Position : SV_Position;
     float Depth : TEXCOORD0;
 };
 
@@ -24,8 +23,7 @@ VertexShaderOutput main_vs(VertexShaderInput input)
 {
     VertexShaderOutput output;
 
-    float4x4 worldViewProjection = mul(World, ViewProjection);
+    output.Position = mul(input.Position, ModelViewProjection);
-    output.Position = mul(input.Position, worldViewProjection);
     output.Depth = output.Position.z / output.Position.w;
 
     return output;

Effects/HLSL/SimpleDepthEffectInstanced.fx

@@ -1,45 +0,0 @@
-float4x4 ViewProjection;
-
-struct VertexShaderInput
-{
-    float4 Position : POSITION;
-};
-
-struct VertexShaderOutput
-{
-    float4 Position : POSITION0;
-    float4 ProjectedPosition : TEXCOORD0;
-};
-
-VertexShaderOutput instanced_vs(VertexShaderInput input, float3 Translation : TEXCOORD2)
-{
-    VertexShaderOutput output;
-    
-    float4x4 world = float4x4(
-        float4(1, 0, 0, 0),
-        float4(0, 1, 0, 0),
-        float4(0, 0, 1, 0),
-        float4(Translation.x, Translation.y, Translation.z, 1)
-    );
-
-    float4x4 worldViewProjection = mul(world, ViewProjection);
-
-    output.Position = mul(input.Position, worldViewProjection);
-    output.ProjectedPosition = output.Position;
-
-    return output;
-}
-
-float4 main_ps(VertexShaderOutput input) : COLOR0
-{
-    return float4(input.ProjectedPosition.z / input.ProjectedPosition.w, 0.0, 0.0, 0.0);
-}
-
-Technique SimpleDepth
-{
-    Pass
-    {
-        VertexShader = compile vs_3_0 instanced_vs();
-        PixelShader  = compile ps_3_0 main_ps();
-    }
-}

Effects/LinearDepthEffect.cs

@@ -3,28 +3,28 @@ using Microsoft.Xna.Framework.Graphics;
 
 namespace Kav
 {
-    public class LinearDepthEffect : Effect, IHasWorldMatrix
+    public class LinearDepthEffect : Effect
     {
-        EffectParameter worldParam;
+        EffectParameter modelParam;
-        EffectParameter worldViewProjectionParam;
+        EffectParameter modelViewProjectionParam;
         EffectParameter lightPositionParam;
         EffectParameter farPlaneParam;
 
         EffectDirtyFlags dirtyFlags = EffectDirtyFlags.All;
 
-        Matrix world;
+        Matrix model;
         Matrix view;
         Matrix projection;
 
         public Vector3 LightPosition { get; set; }
         public float FarPlane { get; set; }
 
-        public Matrix World
+        public Matrix Model
         {
-            get { return world; }
+            get { return model; }
             set
             {
-                world = value;
+                model = value;
                 dirtyFlags |= EffectDirtyFlags.World;
                 dirtyFlags |= EffectDirtyFlags.WorldViewProj;
             }
@@ -60,16 +60,16 @@ namespace Kav
             if ((dirtyFlags & EffectDirtyFlags.WorldViewProj) != 0)
             {
                 Matrix.Multiply(ref view, ref projection, out Matrix viewProjection);
-                Matrix.Multiply(ref world, ref viewProjection, out Matrix worldViewProj);
+                Matrix.Multiply(ref model, ref viewProjection, out Matrix worldViewProj);
 
-                worldViewProjectionParam.SetValue(worldViewProj);
+                modelViewProjectionParam.SetValue(worldViewProj);
 
                 dirtyFlags &= ~EffectDirtyFlags.WorldViewProj;
             }
 
             if ((dirtyFlags & EffectDirtyFlags.World) != 0)
             {
-                worldParam.SetValue(world);
+                modelParam.SetValue(model);
                 
                 dirtyFlags &= ~EffectDirtyFlags.World;
             }
@@ -80,8 +80,8 @@ namespace Kav
 
         private void CacheEffectParameters()
         {
-            worldParam               = Parameters["Model"];
+            modelParam               = Parameters["Model"];
-            worldViewProjectionParam = Parameters["ModelViewProjection"];
+            modelViewProjectionParam = Parameters["ModelViewProjection"];
 
             lightPositionParam       = Parameters["LightPosition"];
             farPlaneParam            = Parameters["FarPlane"];

Effects/LinearDepthEffectInstanced.cs

@@ -1,67 +0,0 @@
-using Microsoft.Xna.Framework;
-using Microsoft.Xna.Framework.Graphics;
-
-namespace Kav
-{
-    public class LinearDepthEffectInstanced : Effect
-    {
-        EffectParameter viewProjectionParam;
-        EffectParameter lightPositionParam;
-        EffectParameter farPlaneParam;
-
-        EffectDirtyFlags dirtyFlags = EffectDirtyFlags.All;
-
-        Matrix view;
-        Matrix projection;
-
-        public Vector3 LightPosition { get; set; }
-        public float FarPlane { get; set; }
-
-        public Matrix View
-        {
-            get { return view; }
-            set
-            {
-                view = value;
-                dirtyFlags |= EffectDirtyFlags.ViewProj;
-            }
-        }
-
-        public Matrix Projection
-        {
-            get { return projection; }
-            set
-            {
-                projection = value;
-                dirtyFlags |= EffectDirtyFlags.ViewProj;
-            }
-        }
-
-        public LinearDepthEffectInstanced(GraphicsDevice graphicsDevice) : base(graphicsDevice, Resources.LinearDepthEffectInstanced)
-        {
-            CacheEffectParameters();
-        }
-
-        protected override void OnApply()
-        {
-            if ((dirtyFlags & EffectDirtyFlags.ViewProj) != 0)
-            {
-                Matrix.Multiply(ref view, ref projection, out Matrix viewProjection);
-                viewProjectionParam.SetValue(viewProjection);
-
-                dirtyFlags &= ~EffectDirtyFlags.ViewProj;
-            }
-
-            lightPositionParam.SetValue(LightPosition);
-            farPlaneParam.SetValue(FarPlane);
-        }
-
-        private void CacheEffectParameters()
-        {
-            viewProjectionParam      = Parameters["ViewProjection"];
-
-            lightPositionParam       = Parameters["LightPosition"];
-            farPlaneParam            = Parameters["FarPlane"];
-        }
-    }
-}

Effects/PBREffect.cs

@@ -130,7 +130,7 @@ namespace Kav
             {
                 albedoTextureParam.SetValue(value);
                 albedoTextureEnabled = value != null;
-                dirtyFlags |= EffectDirtyFlags.PixelShaderIndex;
+                dirtyFlags |= EffectDirtyFlags.ShaderIndex;
             }
         }
 
@@ -141,7 +141,7 @@ namespace Kav
             {
                 normalTextureParam.SetValue(value);
                 normalMapEnabled = value != null;
-                dirtyFlags |= EffectDirtyFlags.PixelShaderIndex;
+                dirtyFlags |= EffectDirtyFlags.ShaderIndex;
             }
         }
 
@@ -164,7 +164,7 @@ namespace Kav
             {
                 metallicRoughnessTextureParam.SetValue(value);
                 metallicRoughnessMapEnabled = value != null;
-                dirtyFlags |= EffectDirtyFlags.PixelShaderIndex;
+                dirtyFlags |= EffectDirtyFlags.ShaderIndex;
             }
         }
 
@@ -197,6 +197,45 @@ namespace Kav
             );
         }
 
+        protected PBREffect(PBREffect cloneSource) : base(cloneSource)
+        {
+            CacheEffectParameters();
+
+            World = cloneSource.World;
+            View = cloneSource.View;
+            Projection = cloneSource.Projection;
+
+            PointLights = new PointLightCollection(
+                Parameters["LightPositions"],
+                Parameters["PositionLightColors"],
+                MaxPointLights
+            );
+
+            for (int i = 0; i < MaxPointLights; i++)
+            {
+                PointLights[i] = cloneSource.PointLights[i];
+            }
+
+            AlbedoTexture = cloneSource.AlbedoTexture;
+            NormalTexture = cloneSource.NormalTexture;
+            EmissionTexture = cloneSource.EmissionTexture;
+            OcclusionTexture = cloneSource.OcclusionTexture;
+            MetallicRoughnessTexture = cloneSource.MetallicRoughnessTexture;
+            EnvDiffuseTexture = cloneSource.EnvDiffuseTexture;
+            BRDFLutTexture = cloneSource.BRDFLutTexture;
+            EnvSpecularTexture = cloneSource.EnvSpecularTexture;
+
+            Albedo = cloneSource.Albedo;
+            Metallic = cloneSource.Metallic;
+            Roughness = cloneSource.Roughness;
+            AO = cloneSource.AO;
+        }
+
+        public override Effect Clone()
+        {
+            return new PBREffect(this);
+        }
+
         protected override void OnApply()
         {
             if ((dirtyFlags & EffectDirtyFlags.World) != 0)
@@ -227,7 +266,7 @@ namespace Kav
                 dirtyFlags &= ~EffectDirtyFlags.EyePosition;
             }
 
-            if ((dirtyFlags & EffectDirtyFlags.PixelShaderIndex) != 0)
+            if ((dirtyFlags & EffectDirtyFlags.ShaderIndex) != 0)
             {
                 int shaderIndex = 0;
 
@@ -262,7 +301,7 @@ namespace Kav
 
                 shaderIndexParam.SetValue(shaderIndex);
 
-                dirtyFlags &= ~EffectDirtyFlags.PixelShaderIndex;
+                dirtyFlags &= ~EffectDirtyFlags.ShaderIndex;
             }
         }
 

Effects/PaletteCrushEffect.cs

@@ -1,51 +0,0 @@
-using Microsoft.Xna.Framework.Graphics;
-
-namespace Kav
-{
-    public class PaletteCrushEffect : Effect
-    {
-        EffectParameter textureParam;
-        EffectParameter paletteParam;
-        EffectParameter paletteWidthParam;
-
-        Texture2D texture;
-        Texture2D palette;
-
-        int paletteWidth;
-
-        public Texture2D Texture
-        {
-            get { return texture; }
-            set 
-            { 
-                texture = value;
-                textureParam.SetValue(texture); 
-            }
-        }
-
-        public Texture2D Palette
-        {
-            get { return palette; }
-            set
-            {
-                palette = value;
-                paletteWidth = palette.Width;
-                paletteParam.SetValue(palette);
-                paletteWidthParam.SetValue(paletteWidth);
-            }
-        }
-
-        public PaletteCrushEffect(GraphicsDevice graphicsDevice) : base(graphicsDevice, Resources.PaletteCrushEffect)
-        {
-            CacheEffectParameters();
-        }
-
-        void CacheEffectParameters()
-        {
-            textureParam = Parameters["Texture"];
-            paletteParam = Parameters["Palette"];
-
-            paletteWidthParam = Parameters["PaletteWidth"];
-        }
-    }
-}

Effects/PointLightCollection.cs

@@ -7,24 +7,41 @@ namespace Kav
     {
         private readonly Vector3[] positions;
         private readonly Vector3[] colors;
+        private readonly float[] intensities;
 
         readonly EffectParameter lightPositionsParam;
         readonly EffectParameter lightColorsParam;
 
         public PointLightCollection(EffectParameter lightPositionsParam, EffectParameter lightColorsParam, int maxLights)
         {
-            positions = new Vector3[maxLights];
+            this.positions = new Vector3[maxLights];
-            colors = new Vector3[maxLights];
+            this.colors = new Vector3[maxLights];
+            this.intensities = new float[maxLights];
             this.lightPositionsParam = lightPositionsParam;
             this.lightColorsParam = lightColorsParam;
         }
 
         public PointLight this[int i]
         {
+            get
+            {
+                var color = colors[i] / intensities[i];
+                return new PointLight(
+                    positions[i],
+                    new Color(
+                        color.X,
+                        color.Y,
+                        color.Z,
+                        1f
+                    ),
+                    intensities[i]
+                );
+            }
             set
             {
                 positions[i] = value.Position;
-                colors[i] = value.Color.ToVector3() * value.Radius;
+                colors[i] = value.Color.ToVector3() * value.Intensity;
+                intensities[i] = value.Intensity;
                 lightPositionsParam.SetValue(positions);
                 lightColorsParam.SetValue(colors);
             }

Effects/SimpleDepthEffect.cs

@@ -3,24 +3,23 @@ using Microsoft.Xna.Framework.Graphics;
 
 namespace Kav
 {
-    public class SimpleDepthEffect : Effect, IHasWorldMatrix
+    public class SimpleDepthEffect : Effect
     {
-        EffectParameter worldParam;
+        EffectParameter modelViewProjectionParam;
-        EffectParameter viewProjectionParam;
 
-        Matrix world;
+        Matrix model;
         Matrix view;
         Matrix projection;
 
         EffectDirtyFlags dirtyFlags = EffectDirtyFlags.All;
 
-        public Matrix World
+        public Matrix Model
         {
-            get { return world; }
+            get { return model; }
             set
             {
-                world = value;
+                model = value;
-                dirtyFlags |= EffectDirtyFlags.World;
+                dirtyFlags |= EffectDirtyFlags.WorldViewProj;
             }
         }
 
@@ -30,7 +29,7 @@ namespace Kav
             set
             {
                 view = value;
-                dirtyFlags |= EffectDirtyFlags.ViewProj;
+                dirtyFlags |= EffectDirtyFlags.WorldViewProj;
             }
         }
 
@@ -40,7 +39,7 @@ namespace Kav
             set
             {
                 projection = value;
-                dirtyFlags |= EffectDirtyFlags.ViewProj;
+                dirtyFlags |= EffectDirtyFlags.WorldViewProj;
             }
         }
 
@@ -51,26 +50,20 @@ namespace Kav
 
         protected override void OnApply()
         {
-            if ((dirtyFlags & EffectDirtyFlags.World) != 0)
+            if ((dirtyFlags & EffectDirtyFlags.WorldViewProj) != 0)
-            {
-                worldParam.SetValue(world);
-
-                dirtyFlags &= ~EffectDirtyFlags.World;
-            }
-
-            if ((dirtyFlags & EffectDirtyFlags.ViewProj) != 0)
             {
                 Matrix.Multiply(ref view, ref projection, out Matrix viewProjection);
-                viewProjectionParam.SetValue(viewProjection);
+                Matrix.Multiply(ref model, ref viewProjection, out Matrix worldViewProj);
 
-                dirtyFlags &= ~EffectDirtyFlags.ViewProj;
+                modelViewProjectionParam.SetValue(worldViewProj);
+
+                dirtyFlags &= ~EffectDirtyFlags.WorldViewProj;
             }
         }
 
         private void CacheEffectParameters()
         {
-            worldParam = Parameters["World"];
+            modelViewProjectionParam = Parameters["ModelViewProjection"];
-            viewProjectionParam = Parameters["ViewProjection"];
         }
     }
 }

Effects/SimpleDepthEffectInstanced.cs

@@ -1,56 +0,0 @@
-using Microsoft.Xna.Framework;
-using Microsoft.Xna.Framework.Graphics;
-
-namespace Kav
-{
-    public class SimpleDepthEffectInstanced : Effect
-    {
-        EffectParameter viewProjectionParam;
-
-        Matrix view;
-        Matrix projection;
-
-        EffectDirtyFlags dirtyFlags = EffectDirtyFlags.All;
-
-        public Matrix View
-        {
-            get { return view; }
-            set
-            {
-                view = value;
-                dirtyFlags |= EffectDirtyFlags.ViewProj;
-            }
-        }
-
-        public Matrix Projection
-        {
-            get { return projection; }
-            set
-            {
-                projection = value;
-                dirtyFlags |= EffectDirtyFlags.ViewProj;
-            }
-        }
-
-        public SimpleDepthEffectInstanced(GraphicsDevice graphicsDevice) : base(graphicsDevice, Resources.SimpleDepthEffectInstanced)
-        {
-            CacheEffectParameters();
-        }
-
-        protected override void OnApply()
-        {
-            if ((dirtyFlags & EffectDirtyFlags.ViewProj) != 0)
-            {
-                Matrix.Multiply(ref view, ref projection, out Matrix viewProjection);
-                viewProjectionParam.SetValue(viewProjection);
-
-                dirtyFlags &= ~EffectDirtyFlags.ViewProj;
-            }
-        }
-
-        private void CacheEffectParameters()
-        {
-            viewProjectionParam = Parameters["ViewProjection"];
-        }
-    }
-}

Enums/SpriteBillboardConstraint.cs

@@ -1,9 +0,0 @@
-namespace Kav
-{
-    public enum SpriteBillboardConstraint
-    {
-        None,
-        Horizontal,
-        Full
-    }
-}

Geometry/Interfaces/ICullable.cs

@@ -1,9 +0,0 @@
-using Microsoft.Xna.Framework;
-
-namespace Kav
-{
-    public interface ICullable
-    {
-        BoundingBox BoundingBox { get; }
-    }
-}

Geometry/Interfaces/IGBufferDrawable.cs

@@ -1,19 +0,0 @@
-using Microsoft.Xna.Framework;
-using Microsoft.Xna.Framework.Graphics;
-
-namespace Kav
-{
-    public interface IGBufferDrawable
-    {
-        Vector3 Albedo { get; }
-        float Metallic { get; }
-        float Roughness { get; }
-
-        Texture2D AlbedoTexture { get; }
-        Texture2D NormalTexture { get; }
-        Texture2D MetallicRoughnessTexture { get; }
-
-        int NumTextureRows { get; }
-        int NumTextureColumns { get; }
-    }
-}

Geometry/Interfaces/IHasVertexPositions.cs

@@ -1,9 +0,0 @@
-using Microsoft.Xna.Framework;
-
-namespace Kav
-{
-    public interface IHasVertexPositions
-    {
-        Vector3[] Positions { get; }
-    }
-}

Geometry/Interfaces/IIndexDrawable.cs

@@ -1,10 +0,0 @@
-using Microsoft.Xna.Framework.Graphics;
-
-namespace Kav
-{
-    public interface IIndexDrawable
-    {
-        VertexBuffer VertexBuffer { get; }
-        IndexBuffer IndexBuffer { get; }
-    }
-}

Geometry/Interfaces/ITransformable.cs

@@ -1,9 +0,0 @@
-using Microsoft.Xna.Framework;
-
-namespace Kav
-{
-    public interface ITransformable
-    {
-        Matrix TransformMatrix { get; }
-    }
-}

Geometry/MeshPart.cs

@@ -3,7 +3,7 @@ using Microsoft.Xna.Framework.Graphics;
 
 namespace Kav
 {
-    public class MeshPart : IIndexDrawable, IGBufferDrawable, ICullable, IHasVertexPositions
+    public class MeshPart
     {
         public IndexBuffer IndexBuffer { get; }
         public VertexBuffer VertexBuffer { get; }
@@ -38,9 +38,6 @@ namespace Kav
         public float Metallic { get; set; } = 0.5f;
         public float Roughness { get; set; } = 0.5f;
 
-        public int NumTextureRows { get; set; } = 1;
-        public int NumTextureColumns { get; set; } = 1;
-
         public bool DisableAlbedoMap { get; set; } = false;
         public bool DisableNormalMap { get; set; } = false;
         public bool DisableMetallicRoughnessMap { get; set; } = false;

Geometry/Model.cs

@@ -2,7 +2,7 @@ using Microsoft.Xna.Framework;
 
 namespace Kav
 {
-    public class Model : ICullable
+    public class Model
     {
         public Mesh[] Meshes { get; }
         public BoundingBox BoundingBox { get; }

Geometry/Sprite.cs

@@ -1,57 +0,0 @@
-using Microsoft.Xna.Framework;
-using Microsoft.Xna.Framework.Graphics;
-
-namespace Kav
-{
-    public struct Sprite
-    {
-        public Texture2D Texture { get; }
-        public Vector3 Position { get; }
-        public Vector2 Origin { get; }
-        public float Rotation { get; }
-        public Vector2 Scale { get; }
-        public SpriteBillboardConstraint BillboardConstraint { get; }
-
-        public Matrix TransformMatrix { get; }
-
-        public Sprite(
-            Texture2D texture,
-            Vector3 position,
-            Vector2 origin,
-            float rotation,
-            Vector2 scale,
-            SpriteBillboardConstraint billboardConstraint = SpriteBillboardConstraint.None
-        ) {
-            Texture = texture;
-            Position = position;
-            Origin = origin;
-            Rotation = rotation;
-            Scale = scale;
-            BillboardConstraint = billboardConstraint;
-            TransformMatrix = ConstructTransformMatrix(Position, Scale);
-        }
-
-        public Sprite(
-            Texture2D texture,
-            Vector3 position,
-            SpriteBillboardConstraint billboardConstraint = SpriteBillboardConstraint.None
-        ) {
-            Texture = texture;
-            Position = position;
-            Origin = Vector2.Zero;
-            Rotation = 0;
-            Scale = Vector2.One;
-            BillboardConstraint = billboardConstraint;
-            TransformMatrix = ConstructTransformMatrix(Position, Scale);
-        }
-
-        private static Matrix ConstructTransformMatrix(
-            Vector3 position,
-            Vector2 scale
-        ) {
-            return
-                Matrix.CreateTranslation(position) *
-                Matrix.CreateScale(scale.X, scale.Y, 1);
-        }
-    }
-}

Geometry/SpriteMesh.cs

@@ -1,109 +0,0 @@
-using System.Collections.Generic;
-using Microsoft.Xna.Framework;
-using Microsoft.Xna.Framework.Graphics;
-
-namespace Kav
-{
-    public class SpriteMesh : ICullable, IIndexDrawable
-    {
-        public enum FlipOptions
-        {
-            None,
-            Horizontal,
-            Vertical,
-            Both
-        }
-
-        private static readonly short[] Indices = new short[]
-        {
-            0,
-            1,
-            2,
-            1,
-            3,
-            2
-        };
-
-        public IndexBuffer IndexBuffer { get; }
-        public VertexBuffer VertexBuffer { get; }
-        public BoundingBox BoundingBox { get; }
-
-        public SpriteMesh(
-            GraphicsDevice graphicsDevice,
-            int width,
-            int height,
-            FlipOptions flipOptions
-        ) {
-			IndexBuffer = new IndexBuffer(
-				graphicsDevice,
-				IndexElementSize.SixteenBits,
-				6,
-				BufferUsage.WriteOnly
-			);
-            IndexBuffer.SetData(Indices);
-
-            var vertexArray = GenerateVertexArray(width, height, flipOptions);
-
-            VertexBuffer = new VertexBuffer(
-                graphicsDevice,
-                typeof(VertexPositionNormalTexture),
-                4,
-                BufferUsage.WriteOnly
-            );
-            VertexBuffer.SetData(vertexArray);
-
-            BoundingBox = BoundingBox.CreateFromPoints(Positions(vertexArray));
-        }
-
-        private static VertexPositionNormalTexture[] GenerateVertexArray(int pixelWidth, int pixelHeight, FlipOptions flipOptions)
-        {
-            var width = pixelWidth / (float)40;
-            var height = pixelHeight / (float)40;
-
-            VertexPositionNormalTexture[] result = new VertexPositionNormalTexture[4];
-
-            var xLeft = 0;
-            var xRight = 1;
-
-            var yTop = 0;
-            var yBottom = 1;
-
-            if (flipOptions == FlipOptions.Horizontal || flipOptions == FlipOptions.Both)
-            {
-                xLeft = 1;
-                xRight = 0;
-            }
-            if (flipOptions == FlipOptions.Vertical || flipOptions == FlipOptions.Both)
-            {
-                yTop = 1;
-                yBottom = 0;
-            }
-
-            result[0].Position = new Vector3(-width / 2, height / 2, 0);
-            result[0].Normal = new Vector3(0, 0, -1);
-            result[0].TextureCoordinate = new Vector2(xLeft, yTop);
-
-            result[1].Position = new Vector3(width / 2, height / 2, 0);
-            result[1].Normal = new Vector3(0, 0, -1);
-            result[1].TextureCoordinate = new Vector2(xRight, yTop);
-
-            result[2].Position = new Vector3(-width / 2, -height / 2, 0);
-            result[2].Normal = new Vector3(0, 0, -1);
-            result[2].TextureCoordinate = new Vector2(xLeft, yBottom);
-
-            result[3].Position = new Vector3(width / 2, -height / 2, 0);
-            result[3].Normal = new Vector3(0, 0, -1);
-            result[3].TextureCoordinate = new Vector2(xRight, yBottom);
-
-            return result;
-        }
-
-        private static IEnumerable<Vector3> Positions(IEnumerable<VertexPositionNormalTexture> vertices)
-        {
-            foreach (var vertex in vertices)
-            {
-                yield return vertex.Position;
-            }
-        }
-    }
-}

Kav.Core.csproj

@@ -2,13 +2,11 @@
 
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
-    <LangVersion>8.0</LangVersion>
     <RootNamespace>Kav</RootNamespace>
     <Authors>Evan Hemsley</Authors>
     <Copyright>Evan Hemsley 2020</Copyright>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <AssemblyName>Kav</AssemblyName>
-    <Platforms>x64</Platforms>
   </PropertyGroup>
 
   <ItemGroup>
@@ -26,6 +24,9 @@
     <EmbeddedResource Include="Effects\FXB\DeferredPBR_DirectionalLightEffect.fxb">
       <LogicalName>Kav.Resources.DeferredPBR_DirectionalLightEffect.fxb</LogicalName>
     </EmbeddedResource>
+    <EmbeddedResource Include="Effects\FXB\DeferredPBR_SpotLightEffect.fxb">
+      <LogicalName>Kav.Resources.DeferredPBR_SpotLightEffect.fxb</LogicalName>
+    </EmbeddedResource>
     <EmbeddedResource Include="Effects\FXB\DeferredPBR_GBufferEffect.fxb">
       <LogicalName>Kav.Resources.DeferredPBR_GBufferEffect.fxb</LogicalName>
     </EmbeddedResource>
@@ -44,30 +45,15 @@
     <EmbeddedResource Include="Effects\FXB\SimpleDepthEffect.fxb">
       <LogicalName>Kav.Resources.SimpleDepthEffect.fxb</LogicalName>
 		</EmbeddedResource>
-    <EmbeddedResource Include="Effects\FXB\SimpleDepthEffectInstanced.fxb">
-      <LogicalName>Kav.Resources.SimpleDepthEffectInstanced.fxb</LogicalName>
-		</EmbeddedResource>
     <EmbeddedResource Include="Effects\FXB\LinearDepthEffect.fxb">
       <LogicalName>Kav.Resources.LinearDepthEffect.fxb</LogicalName>
 		</EmbeddedResource>
-    <EmbeddedResource Include="Effects\FXB\LinearDepthEffectInstanced.fxb">
-      <LogicalName>Kav.Resources.LinearDepthEffectInstanced.fxb</LogicalName>
-    </EmbeddedResource>
     <EmbeddedResource Include="Effects\FXB\SkyboxEffect.fxb">
       <LogicalName>Kav.Resources.SkyboxEffect.fxb</LogicalName>
 		</EmbeddedResource>
-    <EmbeddedResource Include="Effects\FXB\DiffuseLitSpriteEffect.fxb">
-      <LogicalName>Kav.Resources.DiffuseLitSpriteEffect.fxb</LogicalName>
-		</EmbeddedResource>
-    <EmbeddedResource Include="Effects\FXB\PaletteCrushEffect.fxb">
-      <LogicalName>Kav.Resources.PaletteCrushEffect.fxb</LogicalName>
-		</EmbeddedResource>
     <EmbeddedResource Include="Models\UnitCube.glb">
       <LogicalName>Kav.Resources.UnitCube.glb</LogicalName>
 		</EmbeddedResource>
-    <EmbeddedResource Include="Models\UnitSphere.glb">
-      <LogicalName>Kav.Resources.UnitSphere.glb</LogicalName>
-		</EmbeddedResource>
   </ItemGroup>
 
 </Project>

Kav.Core.sln

@@ -1,22 +0,0 @@
-
-Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 15
-VisualStudioVersion = 15.0.26124.0
-MinimumVisualStudioVersion = 15.0.26124.0
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Kav", "Kav.Core.csproj", "{34C1B784-AE9C-4EBC-A03A-AC401CB1219A}"
-EndProject
-Global
-	GlobalSection(SolutionConfigurationPlatforms) = preSolution
-		Debug|x64 = Debug|x64
-		Release|x64 = Release|x64
-	EndGlobalSection
-	GlobalSection(SolutionProperties) = preSolution
-		HideSolutionNode = FALSE
-	EndGlobalSection
-	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{34C1B784-AE9C-4EBC-A03A-AC401CB1219A}.Debug|x64.ActiveCfg = Debug|x64
-		{34C1B784-AE9C-4EBC-A03A-AC401CB1219A}.Debug|x64.Build.0 = Debug|x64
-		{34C1B784-AE9C-4EBC-A03A-AC401CB1219A}.Release|x64.ActiveCfg = Release|x64
-		{34C1B784-AE9C-4EBC-A03A-AC401CB1219A}.Release|x64.Build.0 = Release|x64
-	EndGlobalSection
-EndGlobal

Kav.Framework.csproj

@@ -1,14 +1,12 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
-    <LangVersion>8.0</LangVersion>
     <RootNamespace>Kav</RootNamespace>
     <Authors>Evan Hemsley</Authors>
     <Copyright>Evan Hemsley 2020</Copyright>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <AssemblyName>Kav</AssemblyName>
-    <Platforms>x64;x86</Platforms>
   </PropertyGroup>
 
   <ItemGroup>
@@ -29,6 +27,9 @@
     <EmbeddedResource Include="Effects\FXB\DeferredPBR_GBufferEffect.fxb">
       <LogicalName>Kav.Resources.DeferredPBR_GBufferEffect.fxb</LogicalName>
     </EmbeddedResource>
+    <EmbeddedResource Include="Effects\FXB\DeferredPBR_SpotLightEffect.fxb">
+      <LogicalName>Kav.Resources.DeferredPBR_SpotLightEffect.fxb</LogicalName>
+    </EmbeddedResource>
     <EmbeddedResource Include="Effects\FXB\ToneMapEffect.fxb">
       <LogicalName>Kav.Resources.ToneMapEffect.fxb</LogicalName>
     </EmbeddedResource>
@@ -44,30 +45,15 @@
     <EmbeddedResource Include="Effects\FXB\SimpleDepthEffect.fxb">
       <LogicalName>Kav.Resources.SimpleDepthEffect.fxb</LogicalName>
 		</EmbeddedResource>
-    <EmbeddedResource Include="Effects\FXB\SimpleDepthEffectInstanced.fxb">
-      <LogicalName>Kav.Resources.SimpleDepthEffectInstanced.fxb</LogicalName>
-		</EmbeddedResource>
     <EmbeddedResource Include="Effects\FXB\LinearDepthEffect.fxb">
       <LogicalName>Kav.Resources.LinearDepthEffect.fxb</LogicalName>
 		</EmbeddedResource>
-    <EmbeddedResource Include="Effects\FXB\LinearDepthEffectInstanced.fxb">
-      <LogicalName>Kav.Resources.LinearDepthEffectInstanced.fxb</LogicalName>
-    </EmbeddedResource>
     <EmbeddedResource Include="Effects\FXB\SkyboxEffect.fxb">
       <LogicalName>Kav.Resources.SkyboxEffect.fxb</LogicalName>
 		</EmbeddedResource>
-    <EmbeddedResource Include="Effects\FXB\DiffuseLitSpriteEffect.fxb">
-      <LogicalName>Kav.Resources.DiffuseLitSpriteEffect.fxb</LogicalName>
-		</EmbeddedResource>
-    <EmbeddedResource Include="Effects\FXB\PaletteCrushEffect.fxb">
-      <LogicalName>Kav.Resources.PaletteCrushEffect.fxb</LogicalName>
-		</EmbeddedResource>
     <EmbeddedResource Include="Models\UnitCube.glb">
       <LogicalName>Kav.Resources.UnitCube.glb</LogicalName>
 		</EmbeddedResource>
-    <EmbeddedResource Include="Models\UnitSphere.glb">
-      <LogicalName>Kav.Resources.UnitSphere.glb</LogicalName>
-		</EmbeddedResource>
   </ItemGroup>
 
 </Project>

Kav.Framework.sln

@@ -1,22 +0,0 @@
-
-Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 15
-VisualStudioVersion = 15.0.26124.0
-MinimumVisualStudioVersion = 15.0.26124.0
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Kav.Framework", "Kav.Framework.csproj", "{B46F5438-2EE3-4EB1-9ECD-251D3B3CBD9A}"
-EndProject
-Global
-	GlobalSection(SolutionConfigurationPlatforms) = preSolution
-		Debug|x64 = Debug|x64
-		Release|x64 = Release|x64
-	EndGlobalSection
-	GlobalSection(SolutionProperties) = preSolution
-		HideSolutionNode = FALSE
-	EndGlobalSection
-	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{B46F5438-2EE3-4EB1-9ECD-251D3B3CBD9A}.Debug|x64.ActiveCfg = Debug|Any CPU
-		{B46F5438-2EE3-4EB1-9ECD-251D3B3CBD9A}.Debug|x64.Build.0 = Debug|Any CPU
-		{B46F5438-2EE3-4EB1-9ECD-251D3B3CBD9A}.Release|x64.ActiveCfg = Release|Any CPU
-		{B46F5438-2EE3-4EB1-9ECD-251D3B3CBD9A}.Release|x64.Build.0 = Release|Any CPU
-	EndGlobalSection
-EndGlobal

Kav.sln

@@ -0,0 +1,34 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+VisualStudioVersion = 15.0.26124.0
+MinimumVisualStudioVersion = 15.0.26124.0
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Kav", "Kav.csproj", "{34C1B784-AE9C-4EBC-A03A-AC401CB1219A}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
+		Release|Any CPU = Release|Any CPU
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{34C1B784-AE9C-4EBC-A03A-AC401CB1219A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{34C1B784-AE9C-4EBC-A03A-AC401CB1219A}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{34C1B784-AE9C-4EBC-A03A-AC401CB1219A}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{34C1B784-AE9C-4EBC-A03A-AC401CB1219A}.Debug|x64.Build.0 = Debug|Any CPU
+		{34C1B784-AE9C-4EBC-A03A-AC401CB1219A}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{34C1B784-AE9C-4EBC-A03A-AC401CB1219A}.Debug|x86.Build.0 = Debug|Any CPU
+		{34C1B784-AE9C-4EBC-A03A-AC401CB1219A}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{34C1B784-AE9C-4EBC-A03A-AC401CB1219A}.Release|Any CPU.Build.0 = Release|Any CPU
+		{34C1B784-AE9C-4EBC-A03A-AC401CB1219A}.Release|x64.ActiveCfg = Release|Any CPU
+		{34C1B784-AE9C-4EBC-A03A-AC401CB1219A}.Release|x64.Build.0 = Release|Any CPU
+		{34C1B784-AE9C-4EBC-A03A-AC401CB1219A}.Release|x86.ActiveCfg = Release|Any CPU
+		{34C1B784-AE9C-4EBC-A03A-AC401CB1219A}.Release|x86.Build.0 = Release|Any CPU
+	EndGlobalSection
+EndGlobal

Lights/PointLight.cs

@@ -1,55 +1,18 @@
 using Microsoft.Xna.Framework;
-using Microsoft.Xna.Framework.Graphics;
-using System;
 
 namespace Kav
 {
-    public sealed class PointLight : IDisposable
+    public struct PointLight
     {
         public Vector3 Position { get; }
         public Color Color { get; }
-        public float Radius { get; }
+        public float Intensity { get; }
 
-        public BoundingSphere BoundingSphere { get; }
+        public PointLight(Vector3 position, Color color, float intensity = 1f)
-
+        {
-        public RenderTargetCube ShadowMap { get; }
-
-        public PointLight(
-            GraphicsDevice graphicsDevice,
-            Vector3 position, 
-            Color color, 
-            float radius,
-            int shadowMapSize
-        ) {
             Position = position;
             Color = color;
-            Radius = radius;
+            Intensity = intensity;
-
-            BoundingSphere = new BoundingSphere(position, Radius);
-
-            ShadowMap = new RenderTargetCube(
-                graphicsDevice,
-                shadowMapSize,
-                false,
-                SurfaceFormat.Single,
-                DepthFormat.Depth24,
-                0,
-                RenderTargetUsage.PreserveContents
-            );
-
-            var currentRTs = graphicsDevice.GetRenderTargets();
-            foreach (CubeMapFace face in Enum.GetValues(typeof(CubeMapFace)))
-            {
-                graphicsDevice.SetRenderTarget(ShadowMap, face);
-                graphicsDevice.Clear(Color.White);
-            }
-
-            graphicsDevice.SetRenderTargets(currentRTs);
-        }
-
-        public void Dispose()
-        {
-            ShadowMap.Dispose();
         }
     }
 }

Lights/SpotLight.cs

@@ -0,0 +1,22 @@
+using Microsoft.Xna.Framework;
+
+namespace Kav
+{
+    public struct SpotLight
+    {
+        public Vector3 Position { get; }
+        public Vector3 Direction { get; }
+        public Color Color { get; }
+        public float Intensity { get; }
+        public float Cutoff { get; }
+
+        public SpotLight(Vector3 position, Vector3 direction, Color color, float intensity, float cutoff)
+        {
+            Position = position;
+            Direction = direction;
+            Color = color;
+            Intensity = intensity;
+            Cutoff = cutoff;
+        }
+    }
+}

Loaders/CrunchAtlasReader.cs

@@ -1,18 +0,0 @@
-using System.IO;
-using System.Text.Json;
-
-namespace Kav
-{
-    public static class CrunchAtlasReader
-    {
-        static JsonSerializerOptions options = new JsonSerializerOptions
-        {
-            PropertyNameCaseInsensitive = true
-        };
-
-        public static CrunchTextureAtlasData ReadTextureAtlas(FileInfo file)
-        {
-            return JsonSerializer.Deserialize<CrunchTextureAtlasData>(File.ReadAllText(file.FullName), options);
-        }
-    }
-}

Loaders/CrunchTextureAtlasData.cs

@@ -1,22 +0,0 @@
-namespace Kav
-{
-    public struct CrunchTextureAtlasData
-    {
-        public CrunchTextureAtlasTextureData[] Textures { get; set; }
-    }
-
-    public struct CrunchTextureAtlasTextureData
-    {
-        public string Name { get; set; }
-        public CrunchTextureAtlasImageData[] Images { get; set; }
-    }
-
-    public struct CrunchTextureAtlasImageData
-    {
-        public string N { get; set; }
-        public int X { get; set; }
-        public int Y { get; set; }
-        public int W { get; set; }
-        public int H { get; set; }
-    }
-}

Resources.cs

@@ -39,6 +39,18 @@ namespace Kav
             }
         }
 
+        public static byte[] DeferredPBR_SpotLightEffect
+        {
+            get
+            {
+                if (spotLightEffect == null)
+                {
+                    spotLightEffect = GetResource("DeferredPBR_SpotLightEffect.fxb");
+                }
+                return spotLightEffect;
+            }
+        }
+
         public static byte[] DeferredPBR_GBufferEffect
         {
             get
@@ -111,18 +123,6 @@ namespace Kav
             }
         }
 
-        public static byte[] SimpleDepthEffectInstanced
-        {
-            get
-            {
-                if (simpleDepthEffectInstanced == null)
-                {
-                    simpleDepthEffectInstanced = GetResource("SimpleDepthEffectInstanced.fxb");
-                }
-                return simpleDepthEffectInstanced;
-            }
-        }
-
         public static byte[] LinearDepthEffect
         {
             get
@@ -135,18 +135,6 @@ namespace Kav
             }
         }
 
-        public static byte[] LinearDepthEffectInstanced
-        {
-            get
-            {
-                if (linearDepthEffectInstanced == null)
-                {
-                    linearDepthEffectInstanced = GetResource("LinearDepthEffectInstanced.fxb");
-                }
-                return linearDepthEffectInstanced;
-            }
-        }
-
         public static byte[] SkyboxEffect
         {
             get
@@ -159,30 +147,6 @@ namespace Kav
             }
         }
 
-        public static byte[] DiffuseLitSpriteEffect
-        {
-            get
-            {
-                if (diffuseLitSpriteEffect == null)
-                {
-                    diffuseLitSpriteEffect = GetResource("DiffuseLitSpriteEffect.fxb");
-                }
-                return diffuseLitSpriteEffect;
-            }
-        }
-
-        public static byte[] PaletteCrushEffect
-        {
-            get
-            {
-                if (paletteCrushEffect == null)
-                {
-                    paletteCrushEffect = GetResource("PaletteCrushEffect.fxb");
-                }
-                return paletteCrushEffect;
-            }
-        }
-
         public static byte[] UnitCubeModel
         {
             get
@@ -195,36 +159,20 @@ namespace Kav
             }
         }
 
-        public static byte[] UnitSphereModel
-        {
-            get
-            {
-                if (unitSphereModel == null)
-                {
-                    unitSphereModel = GetResource("UnitSphere.glb");
-                }
-                return unitSphereModel;
-            }
-        }
-
         private static byte[] ambientLightEffect;
         private static byte[] pointLightEffect;
         private static byte[] directionalLightEffect;
+        private static byte[] spotLightEffect;
         private static byte[] gBufferEffect;
         private static byte[] toneMapEffect;
         private static byte[] deferredToonEffect;
         private static byte[] deferredPBREffect;
         private static byte[] pbrEffect;
         private static byte[] simpleDepthEffect;
-        private static byte[] simpleDepthEffectInstanced;
         private static byte[] linearDepthEffect;
-        private static byte[] linearDepthEffectInstanced;
         private static byte[] skyboxEffect;
-        private static byte[] diffuseLitSpriteEffect;
-        private static byte[] paletteCrushEffect;
 
         private static byte[] unitCubeModel;
-        private static byte[] unitSphereModel;
 
         private static byte[] GetResource(string name)
         {

Utils/QuaternionUtils.cs

@@ -1,18 +0,0 @@
-using Microsoft.Xna.Framework;
-
-namespace Kav.Utils
-{
-    public static class QuaternionUtils
-    {
-        // assumes that the input vectors are normalized and orthogonal
-        public static Quaternion LookAt(in Vector3 forward, in Vector3 up)
-        {
-            Matrix orientation = Matrix.Identity;
-            orientation.Forward = forward;
-            orientation.Right = Vector3.Normalize(Vector3.Cross(forward, up));
-            orientation.Up = Vector3.Cross(orientation.Right, forward);
-
-            return Quaternion.CreateFromRotationMatrix(orientation);
-        }
-    }
-}

VertexDeclarations.cs

@@ -1,18 +0,0 @@
-using Microsoft.Xna.Framework.Graphics;
-
-namespace Kav
-{
-    public static class VertexDeclarations
-    {
-        public static VertexDeclaration PositionInstanceDeclaration = new VertexDeclaration
-        (
-            new VertexElement(0, VertexElementFormat.Vector3, VertexElementUsage.TextureCoordinate, 2)
-        );
-
-        public static VertexDeclaration PositionTextureOffsetInstanceDeclaration = new VertexDeclaration
-        (
-            new VertexElement(0, VertexElementFormat.Vector3, VertexElementUsage.TextureCoordinate, 2),
-            new VertexElement(12, VertexElementFormat.Vector2, VertexElementUsage.TextureCoordinate, 5)
-        );
-    }
-}

Vertices/PositionTextureOffsetInstanceVertex.cs

@@ -1,31 +0,0 @@
-using System.Runtime.InteropServices;
-using Microsoft.Xna.Framework;
-using Microsoft.Xna.Framework.Graphics;
-
-namespace Kav
-{
-    [StructLayout(LayoutKind.Sequential, Pack = 1)]
-    public struct PositionTextureOffsetInstanceVertex : IVertexType
-    {
-        VertexDeclaration IVertexType.VertexDeclaration
-        {
-            get
-            {
-                return VertexDeclarations.PositionTextureOffsetInstanceDeclaration;
-            }
-        }
-
-        public Vector3 Translation { get; set; }
-        public Vector2 UVOffset { get; set; }
-
-        public static readonly VertexDeclaration VertexDeclaration;
-
-        public PositionTextureOffsetInstanceVertex(
-            Vector3 translation,
-            Vector2 uvOffset
-        ) {
-            Translation = translation;
-            UVOffset = uvOffset;
-        }
-    }
-}