Small projects to perform tests and help with fixes.

RecrownedAthenaeum/Render/PrimitiveBatch.cs

@@ -13,7 +13,6 @@ namespace RecrownedAthenaeum.Render
     {
         VertexPositionColor[] vertices;
         int bufferPosition;
-        VertexBuffer vertexBuffer;
         BasicEffect basicEffect;
         PrimitiveType primitiveType;
 
@@ -25,7 +24,6 @@ namespace RecrownedAthenaeum.Render
         GraphicsDevice graphicsDevice;
         bool began;
         bool disposed;
-        bool changed;
         Camera3D camera;
 
         /// <summary>
@@ -40,8 +38,7 @@ namespace RecrownedAthenaeum.Render
             this.camera = camera ?? (Configuration.Camera2D);
             basicEffect = new BasicEffect(this.graphicsDevice);
             basicEffect.VertexColorEnabled = true;
-            vertices = new VertexPositionColor[verticesPerBatch];
-            vertexBuffer = new VertexBuffer(this.graphicsDevice, typeof(VertexPositionColor), verticesPerBatch, BufferUsage.WriteOnly);
+            vertices = new VertexPositionColor[verticesPerBatch + 1];
         }
 
         /// <summary>
@@ -84,7 +81,6 @@ namespace RecrownedAthenaeum.Render
         /// <param name="color">The color of that vertex.</param>
         public void AddVertex(Vector2 vertex, Color color)
         {
-            changed = true;
             if (!began) throw new InvalidOperationException("Begin needs to be called before adding vertex.");
             if (disposed) throw new ObjectDisposedException(this.GetType().Name);
             if (primitiveType != PrimitiveType.LineStrip && primitiveType != PrimitiveType.TriangleStrip)
@@ -115,19 +111,13 @@ namespace RecrownedAthenaeum.Render
         /// </summary>
         public void Flush()
         {
-            if (changed)
-            {
-                changed = false;
-                vertexBuffer.SetData(vertices);
-            }
-            graphicsDevice.SetVertexBuffer(vertexBuffer);
             if (!began) throw new InvalidOperationException("Begin needs to be called before flushing.");
             if (disposed) throw new ObjectDisposedException(this.GetType().Name);
             if (bufferPosition == 0) return;
             foreach (EffectPass effectPass in basicEffect.CurrentTechnique.Passes)
             {
                 effectPass.Apply();
-                graphicsDevice.DrawPrimitives(primitiveType, 0, bufferPosition/verticesPerPrimitive);
+                graphicsDevice.DrawUserPrimitives(primitiveType, vertices, 0, bufferPosition/verticesPerPrimitive);
             }
             bufferPosition = 0;
         }