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 +1,24 @@
 using Microsoft.Xna.Framework;
-using Microsoft.Xna.Framework.Graphics;
 
 namespace Kav.Data
 {
-    public struct MeshSpriteDrawData : IIndexDrawable, ICullable, ITransformable
+    public struct MeshSpriteDrawData 
     {
-        public SpriteMesh MeshSprite { get; }
+        public MeshSprite MeshSprite { get; }
-        public Texture2D Texture { get; }
-        public Texture2D Normal { get; }
         public SpriteBillboardConstraint BillboardConstraint { get; }
         public Matrix TransformMatrix { get; }
-        public UVData UVOffset { get; }
+        public UVOffsets UVOffsets { get; }
-
-        public IndexBuffer IndexBuffer => MeshSprite.IndexBuffer;
-        public VertexBuffer VertexBuffer => MeshSprite.VertexBuffer;
-        public BoundingBox BoundingBox => MeshSprite.BoundingBox;
 
         public MeshSpriteDrawData(
-            SpriteMesh meshSprite,
+            MeshSprite meshSprite,
-            Texture2D texture,
-            Texture2D normal,
             SpriteBillboardConstraint billboardConstraint,
             Matrix transformMatrix,
-            UVData offset
+            UVOffsets uVOffsets
         ) {
             MeshSprite = meshSprite;
-            Texture = texture;
-            Normal = normal;
             BillboardConstraint = billboardConstraint;
             TransformMatrix = transformMatrix;
-            UVOffset = offset;
+            UVOffsets = uVOffsets;
         }
     }
 }

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;
-        }
-    }
-}

Data/UVOffsets.cs

@@ -0,0 +1,22 @@
+using Microsoft.Xna.Framework;
+
+namespace Kav.Data
+{
+    public struct UVOffsets
+    {
+        public static UVOffsets Default { get; } = new UVOffsets(
+            new Vector2(0, 0), new Vector2(1, 1)
+        );
+        
+        // (start / width), (end / width)
+        public Vector2 StartUV { get; }
+        // (start / height), (end / height)
+        public Vector2 EndUV { get; }
+
+        public UVOffsets(Vector2 startUV, Vector2 endUV)
+        {
+            StartUV = startUV;
+            EndUV = endUV;
+        }
+    }
+}

Effects/DeferredPBR_GBufferEffect.cs

@@ -16,9 +16,6 @@ namespace Kav
         EffectParameter metallicParam;
         EffectParameter roughnessParam;
 
-        EffectParameter uvOffsetAndDimensionsParam;
-        EffectParameter isSpriteParam;
-
         EffectParameter numTextureRowsParam;
         EffectParameter numTextureColumnsParam;
 
@@ -33,11 +30,6 @@ namespace Kav
         float metallic;
         float roughness;
 
-        Vector2 uvOffset;
-        Vector2 subTextureDimensions;
-
-        bool isSprite = false;
-
         int numTextureRows = 1;
         int numTextureColumns = 1;
 
@@ -161,36 +153,6 @@ namespace Kav
             }
         }
 
-        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; }
@@ -248,16 +210,6 @@ namespace Kav
                 dirtyFlags &= ~EffectDirtyFlags.ViewProj;
             }
 
-            if ((dirtyFlags & EffectDirtyFlags.UVOrDimensions) != 0)
-            {
-                uvOffsetAndDimensionsParam.SetValue(new Vector4(
-                    UVOffset.X, UVOffset.Y,
-                    SubTextureDimensions.X, SubTextureDimensions.Y
-                ));
-
-                dirtyFlags &= ~EffectDirtyFlags.UVOrDimensions;
-            }
-
             if ((dirtyFlags & EffectDirtyFlags.VertexShaderIndex) != 0)
             {
                 int vertexShaderIndex = 0;
@@ -325,9 +277,6 @@ namespace Kav
             numTextureRowsParam = Parameters["NumTextureRows"];
             numTextureColumnsParam = Parameters["NumTextureColumns"];
 
-            uvOffsetAndDimensionsParam = Parameters["UVOffsetAndDimensions"];
-            isSpriteParam = Parameters["IsSprite"];
-
             shaderIndexParam = Parameters["PixelShaderIndex"];
             vertexShaderIndexParam = Parameters["VertexShaderIndex"];
         }

Effects/DeferredPBR_PointLightEffect.cs

@@ -77,7 +77,7 @@ namespace Kav
         public DeferredPBR_PointLightEffect(DeferredPBR_PointLightEffect cloneSource) : base(cloneSource)
         {
             CacheEffectParameters();
-
+            
             GPosition = cloneSource.GPosition;
             GAlbedo = cloneSource.GAlbedo;
             GNormal = cloneSource.GNormal;

Effects/DiffuseLitSpriteEffect.cs

@@ -1,4 +1,3 @@
-using Kav.Data;
 using Microsoft.Xna.Framework;
 using Microsoft.Xna.Framework.Graphics;
 
@@ -11,8 +10,6 @@ namespace Kav
         EffectParameter directionalLightDirectionParam;
         EffectParameter directionalLightColorParam;
 
-        EffectParameter uvOffsetAndDimensionsParam;
-
         EffectParameter worldParam;
         EffectParameter worldViewProjectionParam;
         EffectParameter worldInverseTransposeParam;
@@ -33,9 +30,6 @@ namespace Kav
         Matrix view = Matrix.Identity;
         Matrix projection = Matrix.Identity;
 
-        Vector2 uvOffset;
-        Vector2 subTextureDimensions;
-
         EffectDirtyFlags dirtyFlags = EffectDirtyFlags.All;
 
         public bool NormalMapEnabled
@@ -115,26 +109,6 @@ namespace Kav
             }
         }
 
-        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();
@@ -168,16 +142,6 @@ namespace Kav
                 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;
@@ -202,8 +166,6 @@ namespace Kav
             directionalLightDirectionParam = Parameters["DirectionalLightDirection"];
             directionalLightColorParam = Parameters["DirectionalLightColor"];
 
-            uvOffsetAndDimensionsParam = Parameters["UVOffsetAndDimensions"];
-
             shaderIndexParam = Parameters["ShaderIndex"];
         }
     }

Effects/EffectHelpers.cs

@@ -11,7 +11,6 @@ namespace Kav
         VertexShaderIndex = 8,
         PixelShaderIndex = 16,
         ViewProj = 32,
-        UVOrDimensions = 64,
         All = -1
     }
 }

Effects/HLSL/DeferredPBR_GBufferEffect.fx

@@ -4,9 +4,6 @@ DECLARE_TEXTURE(AlbedoTexture, 0);
 DECLARE_TEXTURE(NormalTexture, 1);
 DECLARE_TEXTURE(MetallicRoughnessTexture, 2);
 
-float4 UVOffsetAndDimensions;
-float IsSprite;
-
 BEGIN_CONSTANTS
 
     float3 AlbedoValue                         _ps(c0)    _cb(c0);
@@ -54,11 +51,7 @@ PixelInput main_vs(VertexInput input)
 
     output.PositionWorld = mul(input.Position, World).xyz;
     output.NormalWorld = normalize(mul(input.Normal, World));
-
+    output.TexCoord = input.TexCoord;
-    float2 texCoord;
-    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);
@@ -67,7 +60,7 @@ PixelInput main_vs(VertexInput input)
 }
 
 PixelInput instanced_vs(
-    VertexInput input,
+    VertexInput input, 
     float3 Translation : TEXCOORD2,
     float2 UVOffset    : TEXCOORD5
 ) {
@@ -120,7 +113,7 @@ 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 +125,10 @@ 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 +137,7 @@ 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 +149,7 @@ 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 +161,10 @@ 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 +173,10 @@ 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 +185,7 @@ 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);
 
@@ -210,12 +197,10 @@ 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;
 }
 

Effects/HLSL/DeferredPBR_PointLightEffect.fx

@@ -1,7 +1,7 @@
 // Assumes you are drawing a sphere!!
 
 #include "Macros.fxh" //from FNA
-#include "Lighting.fxh"
+#include "Lighting.fxh" 
 #include "Shadow.fxh"
 
 DECLARE_TEXTURE(gPosition, 0);
@@ -13,7 +13,7 @@ DECLARE_CUBEMAP(shadowMap, 4);
 BEGIN_CONSTANTS
 
     float3 EyePosition                      _ps(c0)     _cb(c0);
-
+    
     float3 PointLightPosition               _ps(c1)     _cb(c1);
     float3 PointLightColor                  _ps(c2)     _cb(c2);
 
@@ -42,7 +42,7 @@ PixelInput main_vs(VertexInput input)
 
     output.Position = mul(input.Position, WorldViewProjection);
     output.ScreenPosition = output.Position;
-
+    
     return output;
 }
 
@@ -78,34 +78,19 @@ float4 main_ps(PixelInput input) : SV_TARGET0
 {
     input.ScreenPosition.xy /= input.ScreenPosition.w;
     float2 texCoord = 0.5f * float2(input.ScreenPosition.x,-input.ScreenPosition.y) + 0.5f;
-
+    
     float3 worldPosition = SAMPLE_TEXTURE(gPosition, texCoord).rgb;
-    float4 normalSample = SAMPLE_TEXTURE(gNormal, texCoord);
+    float3 normal = SAMPLE_TEXTURE(gNormal, texCoord).xyz;
-    float3 normal = normalSample.xyz;
-    float isSprite = normalSample.a;
     float3 albedo = SAMPLE_TEXTURE(gAlbedo, texCoord).rgb;
     float2 metallicRoughness = SAMPLE_TEXTURE(gMetallicRoughness, texCoord).rg;
 
-    if (isSprite == 1.0)
+    return ComputeColor(
-    {
+        worldPosition,
-        float3 lightDir = PointLightPosition - worldPosition;
+        normal,
-        float3 L = normalize(lightDir);
+        albedo,
-        float distance = length(lightDir);
+        metallicRoughness.r,
-        float attenuation = 1.0 / (distance * distance);
+        metallicRoughness.g
-        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/DiffuseLitSpriteEffect.fx

@@ -5,19 +5,23 @@
 DECLARE_TEXTURE(Texture, 0);
 DECLARE_TEXTURE(Normal, 1);
 
-float3 AmbientColor;
+BEGIN_CONSTANTS
 
-float3 PointLightPositions[8];
+    float3 AmbientColor                       _ps(c0)    _cb(c0);
-float3 PointLightColors[8];
 
-float3 DirectionalLightDirection;
+    float3 PointLightPositions[8]            _ps(c1)    _cb(c1);
-float3 DirectionalLightColor;
+    float3 PointLightColors[8]               _ps(c9)    _cb(c9);
 
-float4 UVOffsetAndDimensions;
+    float3 DirectionalLightDirection          _ps(c17)   _cb(c17);
+    float3 DirectionalLightColor              _ps(c18)   _cb(c18);
 
-float4x4 WorldInverseTranspose;
+MATRIX_CONSTANTS
-float4x4 World;
+
-float4x4 WorldViewProjection;
+    float4x4 WorldInverseTranspose           _ps(c19)   _cb(c19);
+    float4x4 World                  _vs(c0)             _cb(c23);
+    float4x4 WorldViewProjection    _vs(c4)             _cb(c27);
+
+END_CONSTANTS
 
 struct VertexShaderInput
 {
@@ -39,14 +43,10 @@ PixelShaderInput main_vs(VertexShaderInput input)
     PixelShaderInput output;
 
     output.Position = mul(input.Position, WorldViewProjection);
+    output.TexCoord = input.TexCoord;
     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;
 }
 
@@ -98,9 +98,6 @@ float4 LightColor(float3 worldPosition, float3 worldNormal)
 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);
@@ -109,9 +106,6 @@ float4 WithoutNormalMap(PixelShaderInput input) : COLOR0
 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);

Effects/HLSL/PaletteCrushEffect.fx

@@ -1,5 +1,7 @@
 #include "Macros.fxh"
 
+#define FLT_MAX 3.402823466e+38
+
 DECLARE_TEXTURE(Texture, 0);
 DECLARE_TEXTURE(Palette, 1);
 
@@ -38,12 +40,11 @@ float4 main_ps(PixelInput input) : SV_TARGET0
 	float3 sampled_color = sampled.rgb;
 	
 	float3 closest_color = float3(0, 0, 0);
-	float closest_dist = 100000;
+	float closest_dist = FLT_MAX;
 
 	for (int i = 0; i < PaletteWidth; i++)
 	{
-		float texX = (i / (float)PaletteWidth);
+		float3 palette_color = SAMPLE_TEXTURE(Palette, float2(i / (float)PaletteWidth, 0));
-		float3 palette_color = SAMPLE_TEXTURE(Palette, float2(texX, 0));
 		float dist = distance(palette_color, sampled_color);
 		if (dist < closest_dist)
 		{

Geometry/Interfaces/ITransformable.cs

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

Geometry/MeshSprite.cs

@@ -4,7 +4,7 @@ using Microsoft.Xna.Framework.Graphics;
 
 namespace Kav
 {
-    public class SpriteMesh : ICullable, IIndexDrawable
+    public class MeshSprite : ICullable, IIndexDrawable
     {
         public enum FlipOptions
         {
@@ -14,6 +14,7 @@ namespace Kav
             Both
         }
 
+        private static readonly int PixelScale = 40;
         private static readonly short[] Indices = new short[]
         {
             0,
@@ -24,16 +25,21 @@ namespace Kav
             2
         };
 
+        public Texture2D Texture { get; }
+        public Texture2D Normal { get; }
+
         public IndexBuffer IndexBuffer { get; }
         public VertexBuffer VertexBuffer { get; }
         public BoundingBox BoundingBox { get; }
 
-        public SpriteMesh(
+        public MeshSprite(
             GraphicsDevice graphicsDevice,
-            int width,
+            Texture2D texture,
-            int height,
             FlipOptions flipOptions
         ) {
+            Texture = texture;
+            Normal = null;
+
 			IndexBuffer = new IndexBuffer(
 				graphicsDevice,
 				IndexElementSize.SixteenBits,
@@ -42,7 +48,7 @@ namespace Kav
 			);
             IndexBuffer.SetData(Indices);
 
-            var vertexArray = GenerateVertexArray(width, height, flipOptions);
+            var vertexArray = GenerateVertexArray(Texture, flipOptions);
 
             VertexBuffer = new VertexBuffer(
                 graphicsDevice,
@@ -55,11 +61,38 @@ namespace Kav
             BoundingBox = BoundingBox.CreateFromPoints(Positions(vertexArray));
         }
 
-        private static VertexPositionNormalTexture[] GenerateVertexArray(int pixelWidth, int pixelHeight, FlipOptions flipOptions)
+        public MeshSprite(
-        {
+            GraphicsDevice graphicsDevice,
-            var width = pixelWidth / (float)40;
+            Texture2D texture,
-            var height = pixelHeight / (float)40;
+            Texture2D normal,
+            FlipOptions flipOptions
+        ) {
+            Texture = texture;
+            Normal = normal;
 
+			IndexBuffer = new IndexBuffer(
+				graphicsDevice,
+				IndexElementSize.SixteenBits,
+				6,
+				BufferUsage.WriteOnly
+			);
+            IndexBuffer.SetData(Indices);
+
+            var vertexArray = GenerateVertexArray(Texture, flipOptions);
+
+            VertexBuffer = new VertexBuffer(
+                graphicsDevice,
+                typeof(VertexPositionNormalTexture),
+                4,
+                BufferUsage.WriteOnly
+            );
+            VertexBuffer.SetData(vertexArray);
+
+            BoundingBox = BoundingBox.CreateFromPoints(Positions(vertexArray));
+        }
+
+        private static VertexPositionNormalTexture[] GenerateVertexArray(Texture2D texture, FlipOptions flipOptions)
+        {
             VertexPositionNormalTexture[] result = new VertexPositionNormalTexture[4];
 
             var xLeft = 0;
@@ -79,20 +112,20 @@ namespace Kav
                 yBottom = 0;
             }
 
-            result[0].Position = new Vector3(-width / 2, height / 2, 0);
+            result[0].Position = new Vector3(-texture.Width / 2, texture.Height / 2, 0) / PixelScale;
-            result[0].Normal = new Vector3(0, 0, -1);
+            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].Position = new Vector3(texture.Width / 2, texture.Height / 2, 0) / PixelScale;
-            result[1].Normal = new Vector3(0, 0, -1);
+            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].Position = new Vector3(-texture.Width / 2, -texture.Height / 2, 0) / PixelScale;
-            result[2].Normal = new Vector3(0, 0, -1);
+            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].Position = new Vector3(texture.Width / 2, -texture.Height / 2, 0) / PixelScale;
-            result[3].Normal = new Vector3(0, 0, -1);
+            result[3].Normal = new Vector3(0, 0, 1);
             result[3].TextureCoordinate = new Vector2(xRight, yBottom);
 
             return result;

Kav.Core.csproj

@@ -2,7 +2,6 @@
 
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
-    <LangVersion>8.0</LangVersion>
     <RootNamespace>Kav</RootNamespace>
     <Authors>Evan Hemsley</Authors>
     <Copyright>Evan Hemsley 2020</Copyright>

Kav.Framework.csproj

@@ -2,7 +2,6 @@
 
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
-    <LangVersion>8.0</LangVersion>
     <RootNamespace>Kav</RootNamespace>
     <Authors>Evan Hemsley</Authors>
     <Copyright>Evan Hemsley 2020</Copyright>

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; }
-    }
-}

Renderer.cs

@@ -125,7 +125,7 @@ namespace Kav
         ) {
             GraphicsDevice.SetRenderTarget(renderTarget);
 
-            GraphicsDevice.DepthStencilState = DepthStencilState.Default;
+            GraphicsDevice.DepthStencilState = DepthStencilState.DepthRead;
             GraphicsDevice.RasterizerState = RasterizerState.CullNone;
             GraphicsDevice.SamplerStates[0] = SamplerState.PointClamp;
             GraphicsDevice.SamplerStates[1] = SamplerState.PointClamp;
@@ -168,14 +168,12 @@ namespace Kav
                     continue;
                 }
 
-                DiffuseLitSpriteEffect.NormalMapEnabled = data.Normal != null;
+                DiffuseLitSpriteEffect.NormalMapEnabled = data.MeshSprite.Normal != null;
 
                 DiffuseLitSpriteEffect.World = matrix;
-                DiffuseLitSpriteEffect.UVOffset = data.UVOffset.Offset;
-                DiffuseLitSpriteEffect.SubTextureDimensions = data.UVOffset.Percentage;
 
-                GraphicsDevice.Textures[0] = data.Texture;
+                GraphicsDevice.Textures[0] = data.MeshSprite.Texture;
-                GraphicsDevice.Textures[1] = data.Normal;
+                GraphicsDevice.Textures[1] = data.MeshSprite.Normal;
 
                 GraphicsDevice.SetVertexBuffer(data.MeshSprite.VertexBuffer);
                 GraphicsDevice.Indices = data.MeshSprite.IndexBuffer;
@@ -196,51 +194,6 @@ namespace Kav
             }
         }
 
-        public void RenderMeshSpriteGBuffer(
-            RenderTargetBinding[] gBuffer,
-            PerspectiveCamera camera,
-            IEnumerable<MeshSpriteDrawData> meshSpriteDrawDatas,
-            DepthStencilState depthStencilState
-        ) {
-            GraphicsDevice.SetRenderTargets(gBuffer);
-            GraphicsDevice.RasterizerState = RasterizerState.CullNone;
-            GraphicsDevice.DepthStencilState = depthStencilState;
-            GraphicsDevice.BlendState = BlendState.AlphaBlend;
-
-            Deferred_GBufferEffect.HardwareInstancingEnabled = false;
-            Deferred_GBufferEffect.IsSprite = true;
-
-            Deferred_GBufferEffect.View = camera.View;
-            Deferred_GBufferEffect.Projection = camera.Projection;
-
-            var boundingFrustum = new BoundingFrustum(camera.View * camera.Projection);
-
-            foreach (var data in meshSpriteDrawDatas)
-            {
-                var matrix = BillboardTransforms(camera, data.TransformMatrix, data.BillboardConstraint);
-
-                if (FrustumCull(boundingFrustum, data.MeshSprite, matrix))
-                {
-                    continue;
-                }
-
-                Deferred_GBufferEffect.World = matrix;
-
-                Deferred_GBufferEffect.UVOffset = data.UVOffset.Offset;
-                Deferred_GBufferEffect.SubTextureDimensions = data.UVOffset.Percentage;
-
-                Deferred_GBufferEffect.Albedo = Color.White.ToVector3();
-                Deferred_GBufferEffect.Metallic = 0f;
-                Deferred_GBufferEffect.Roughness = 1f;
-
-                Deferred_GBufferEffect.AlbedoTexture = data.Texture;
-                Deferred_GBufferEffect.NormalTexture = data.Normal;
-                Deferred_GBufferEffect.MetallicRoughnessTexture = null;
-
-                RenderIndexed(GraphicsDevice, data, Deferred_GBufferEffect);
-            }
-        }
-
         private static Matrix BillboardTransforms(
             PerspectiveCamera camera,
             Matrix transform,
@@ -279,7 +232,7 @@ namespace Kav
             BoundingFrustum boundingFrustum,
             IEnumerable<(T, Matrix)> drawableTransformPairs,
             U effect
-        ) where T : IIndexDrawable, ICullable where U : Effect, IHasWorldMatrix
+        ) where T : IIndexDrawable, ICullable where U : Effect, IHasWorldMatrix 
         {
             foreach (var (drawable, transform) in FrustumCull(boundingFrustum, drawableTransformPairs))
             {
@@ -362,7 +315,7 @@ namespace Kav
             RenderTarget2D renderTarget,
             PerspectiveCamera camera,
             IEnumerable<(T, Matrix)> drawableTransforms
-        ) where T : ICullable, IIndexDrawable
+        ) where T : ICullable, IIndexDrawable 
         {
             GraphicsDevice.SetRenderTarget(renderTarget);
             GraphicsDevice.DepthStencilState = DepthStencilState.Default;
@@ -378,21 +331,6 @@ namespace Kav
             );
         }
 
-        public void RenderDepthIndexed<T>(
-            RenderTarget2D renderTarget,
-            PerspectiveCamera camera,
-            T drawable,
-            DepthStencilState depthStencilState
-        ) where T : IIndexDrawable {
-            GraphicsDevice.SetRenderTarget(renderTarget);
-            GraphicsDevice.DepthStencilState = depthStencilState;
-
-            SimpleDepthEffect.View = camera.View;
-            SimpleDepthEffect.Projection = camera.Projection;
-
-            RenderIndexed(GraphicsDevice, drawable, SimpleDepthEffect);
-        }
-
         public void RenderSkybox(
             RenderTarget2D renderTarget,
             PerspectiveCamera camera,
@@ -412,7 +350,7 @@ namespace Kav
 
             RenderIndexed(
                 GraphicsDevice,
-                UnitCube.Meshes[0].MeshParts[0],
+                UnitCube.Meshes[0].MeshParts[0], 
                 SkyboxEffect
             );
 
@@ -436,7 +374,6 @@ namespace Kav
             GraphicsDevice.BlendState = BlendState.Opaque;
 
             Deferred_GBufferEffect.HardwareInstancingEnabled = true;
-            Deferred_GBufferEffect.IsSprite = false;
 
             Deferred_GBufferEffect.Albedo = drawable.Albedo;
             Deferred_GBufferEffect.Metallic = drawable.Metallic;
@@ -484,7 +421,6 @@ namespace Kav
             GraphicsDevice.DepthStencilState = DepthStencilState.Default;
             GraphicsDevice.BlendState = BlendState.Opaque;
 
-            Deferred_GBufferEffect.IsSprite = false;
             Deferred_GBufferEffect.HardwareInstancingEnabled = false;
             Deferred_GBufferEffect.View = camera.View;
             Deferred_GBufferEffect.Projection = camera.Projection;
@@ -562,7 +498,7 @@ namespace Kav
             DeferredPointLightEffect.Projection = camera.Projection;
 
             RenderIndexed(
-                GraphicsDevice,
+                GraphicsDevice, 
                 UnitSphere.Meshes[0].MeshParts[0],
                 DeferredPointLightEffect
             );
@@ -752,8 +688,8 @@ namespace Kav
             for (var i = 0; i < shadowMapData.NumShadowCascades; i++)
             {
                 RenderDirectionalShadowMapIndexed(
-                    shadowMapData,
+                    shadowMapData, 
-                    i,
+                    i, 
                     drawableTransforms
                 );
             }
@@ -772,9 +708,9 @@ namespace Kav
             SimpleDepthEffect.Projection = shadowMapData.LightSpaceProjections[shadowCascadeIndex];
 
             CullAndRenderIndexed(
-                GraphicsDevice,
+                GraphicsDevice, 
-                new BoundingFrustum(SimpleDepthEffect.View * SimpleDepthEffect.Projection),
+                new BoundingFrustum(SimpleDepthEffect.View * SimpleDepthEffect.Projection), 
-                drawableTransforms,
+                drawableTransforms, 
                 SimpleDepthEffect
             );
         }
@@ -815,7 +751,7 @@ namespace Kav
             SimpleDepthEffectInstanced.Projection = shadowMapData.LightSpaceProjections[shadowCascadeIndex];
 
             RenderInstanced(
-                GraphicsDevice,
+                GraphicsDevice, 
                 drawable,
                 instanceVertexBuffer,
                 numInstances,
@@ -892,8 +828,8 @@ namespace Kav
 
                 CullAndRenderIndexed(
                     GraphicsDevice,
-                    new BoundingFrustum(LinearDepthEffect.View * LinearDepthEffect.Projection),
+                    new BoundingFrustum(LinearDepthEffect.View * LinearDepthEffect.Projection), 
-                    modelTransforms,
+                    modelTransforms, 
                     LinearDepthEffect
                 );
             }
@@ -905,7 +841,7 @@ namespace Kav
             VertexBuffer instanceVertexBuffer,
             int numInstances,
             PointLight pointLight
-        ) where T : ICullable, IIndexDrawable
+        ) where T : ICullable, IIndexDrawable 
         {
             GraphicsDevice.DepthStencilState = DepthStencilState.Default;
             GraphicsDevice.BlendState = BlendState.Opaque;
@@ -1004,21 +940,6 @@ namespace Kav
             return (containment == ContainmentType.Disjoint);
         }
 
-        private static IEnumerable<T> FrustumCull<T>(
-            BoundingFrustum boundingFrustum,
-            IEnumerable<T> cullableTransformables
-        ) where T : ICullable, ITransformable {
-            foreach (var cullableTransformable in cullableTransformables)
-            {
-                var boundingBox = TransformedBoundingBox(cullableTransformable.BoundingBox, cullableTransformable.TransformMatrix);
-                var containment = boundingFrustum.Contains(boundingBox);
-                if (containment != ContainmentType.Disjoint)
-                {
-                    yield return cullableTransformable;
-                }
-            }
-        }
-
         private static BoundingBox TransformedBoundingBox(BoundingBox boundingBox, Matrix matrix)
         {
             var center = (boundingBox.Min + boundingBox.Max) / 2f;