65 lines
1.5 KiB
C#
65 lines
1.5 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Text;
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using BluntDirectX.Direct3D;
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using OpenRa.FileFormats;
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using System.Drawing;
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namespace OpenRa.Game
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{
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class SpriteRenderer
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{
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FvfVertexBuffer<Vertex> vertexBuffer;
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IndexBuffer indexBuffer;
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Renderer renderer;
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const int spritesPerBatch = 1024;
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List<Vertex> vertices = new List<Vertex>();
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List<ushort> indicies = new List<ushort>();
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Sheet currentSheet = null;
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int sprites = 0;
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public SpriteRenderer(Renderer renderer)
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{
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this.renderer = renderer;
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vertexBuffer = new FvfVertexBuffer<Vertex>(renderer.Device, 4 * spritesPerBatch, Vertex.Format);
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indexBuffer = new IndexBuffer(renderer.Device, 6 * spritesPerBatch);
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}
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public void Flush()
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{
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if (sprites > 0)
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{
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renderer.DrawWithShader(ShaderQuality.Low, delegate
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{
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vertexBuffer.SetData(vertices.ToArray());
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indexBuffer.SetData(indicies.ToArray());
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renderer.DrawBatch(vertexBuffer, indexBuffer,
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new Range<int>(0, vertices.Count),
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new Range<int>(0, indicies.Count),
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currentSheet.Texture);
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});
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vertices = new List<Vertex>();
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indicies = new List<ushort>();
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currentSheet = null;
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sprites = 0;
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}
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}
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public void DrawSprite(Sprite s, PointF location)
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{
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if (s.sheet != currentSheet)
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Flush();
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currentSheet = s.sheet;
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Util.CreateQuad(vertices, indicies, location, s, 0);
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if (++sprites >= spritesPerBatch)
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Flush();
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}
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}
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}
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