99 lines
2.6 KiB
C#
99 lines
2.6 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2010 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation. For more information,
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* see LICENSE.
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*/
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#endregion
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using OpenRA.FileFormats.Graphics;
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namespace OpenRA.Graphics
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{
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public class SpriteRenderer
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{
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IVertexBuffer<Vertex> vertexBuffer;
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IIndexBuffer indexBuffer;
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Renderer renderer;
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IShader 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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int nv = 0, ni = 0;
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public SpriteRenderer(Renderer renderer, IShader shader)
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{
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this.renderer = renderer;
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this.shader = shader;
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vertexBuffer = renderer.Device.CreateVertexBuffer( vertices.Length );
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indexBuffer = renderer.Device.CreateIndexBuffer( indices.Length );
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}
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public SpriteRenderer(Renderer renderer)
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: this(renderer, 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.SetValue( "DiffuseTexture", currentSheet.Texture );
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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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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, string palette)
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{
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DrawSprite(s, location, Game.world.WorldRenderer.GetPaletteIndex(palette), s.size);
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}
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public void DrawSprite(Sprite s, float2 location, string palette, float2 size)
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{
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DrawSprite(s, location, Game.world.WorldRenderer.GetPaletteIndex(palette), size);
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}
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public void DrawSprite(Sprite s, float2 location, int paletteIndex, float2 size)
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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, paletteIndex, nv, ni, size);
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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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// For RGBASpriteRenderer, which doesn't use palettes
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public void DrawSprite(Sprite s, float2 location)
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{
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DrawSprite(s, location, 0, s.size);
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}
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public void DrawSprite(Sprite s, float2 location, float2 size)
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{
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DrawSprite(s, location, 0, size);
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}
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}
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}
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