70 lines
1.7 KiB
C#
70 lines
1.7 KiB
C#
using Ijw.DirectX;
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namespace OpenRa.Game.Graphics
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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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Shader shader;
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const int spritesPerBatch = 1024;
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Vertex[] vertices = new Vertex[4 * spritesPerBatch];
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ushort[] indices = new ushort[6 * spritesPerBatch];
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Sheet currentSheet = null;
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int sprites = 0;
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ShaderQuality quality;
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int nv = 0, ni = 0;
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public SpriteRenderer(Renderer renderer, bool allowAlpha, Shader shader)
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{
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this.renderer = renderer;
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this.shader = shader;
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vertexBuffer = new FvfVertexBuffer<Vertex>(renderer.Device, vertices.Length, Vertex.Format);
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indexBuffer = new IndexBuffer(renderer.Device, indices.Length);
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quality = allowAlpha ? ShaderQuality.High : ShaderQuality.Low;
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}
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public SpriteRenderer(Renderer renderer, bool allowAlpha)
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: this(renderer, allowAlpha, renderer.SpriteShader) { }
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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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shader.Quality = quality;
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shader.Render(() =>
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{
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vertexBuffer.SetData(vertices);
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indexBuffer.SetData(indices);
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renderer.DrawBatch(vertexBuffer, indexBuffer,
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new Range<int>(0, nv),
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new Range<int>(0, ni),
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currentSheet.Texture, PrimitiveType.TriangleList,
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shader);
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});
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nv = 0; ni = 0;
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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, float2 location, PaletteType palette)
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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.FastCreateQuad(vertices, indices, location.ToInt2(), s, (int) palette, nv, ni);
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nv += 4; ni += 6;
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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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