106 lines
3.4 KiB
C#
106 lines
3.4 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2013 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 COPYING.
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*/
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#endregion
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using System.Collections.Generic;
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using System.Drawing;
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using System.Linq;
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namespace OpenRA.Graphics
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{
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public class RenderableComparer : IComparer<IRenderable>
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{
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WorldRenderer wr;
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public RenderableComparer(WorldRenderer wr)
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{
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this.wr = wr;
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}
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public int Compare(IRenderable x, IRenderable y)
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{
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var xOrder = wr.ScreenZPosition(x.Pos, x.ZOffset);
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var yOrder = wr.ScreenZPosition(y.Pos, y.ZOffset);
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return xOrder.CompareTo(yOrder);
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}
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}
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public interface IRenderable
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{
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WPos Pos { get; }
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float Scale { get; }
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PaletteReference Palette { get; }
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int ZOffset { get; }
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IRenderable WithScale(float newScale);
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IRenderable WithPalette(PaletteReference newPalette);
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IRenderable WithZOffset(int newOffset);
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IRenderable OffsetBy(WVec offset);
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void BeforeRender(WorldRenderer wr);
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void Render(WorldRenderer wr);
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void RenderDebugGeometry(WorldRenderer wr);
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}
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public struct SpriteRenderable : IRenderable
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{
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public static readonly IEnumerable<IRenderable> None = new IRenderable[0].AsEnumerable();
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readonly Sprite sprite;
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readonly WPos pos;
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readonly WVec offset;
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readonly int zOffset;
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readonly PaletteReference palette;
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readonly float scale;
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public SpriteRenderable(Sprite sprite, WPos pos, WVec offset, int zOffset, PaletteReference palette, float scale)
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{
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this.sprite = sprite;
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this.pos = pos;
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this.offset = offset;
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this.zOffset = zOffset;
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this.palette = palette;
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this.scale = scale;
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}
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public SpriteRenderable(Sprite sprite, WPos pos, int zOffset, PaletteReference palette, float scale)
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: this(sprite, pos, WVec.Zero, zOffset, palette, scale) { }
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// Provided for legacy support only - Don't use for new things!
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public SpriteRenderable(Sprite sprite, float2 pos, PaletteReference palette, int z)
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: this(sprite, new PPos((int)pos.X, (int)pos.Y).ToWPos(0), z, palette, 1f) { }
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public WPos Pos { get { return pos + offset; } }
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public WVec Offset { get { return offset; } }
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public float Scale { get { return scale; } }
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public PaletteReference Palette { get { return palette; } }
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public int ZOffset { get { return zOffset; } }
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public IRenderable WithScale(float newScale) { return new SpriteRenderable(sprite, pos, offset, zOffset, palette, newScale); }
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public IRenderable WithPalette(PaletteReference newPalette) { return new SpriteRenderable(sprite, pos, offset, zOffset, newPalette, scale); }
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public IRenderable WithZOffset(int newOffset) { return new SpriteRenderable(sprite, pos, offset, newOffset, palette, scale); }
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public IRenderable OffsetBy(WVec vec) { return new SpriteRenderable(sprite, pos + vec, offset, zOffset, palette, scale); }
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float2 ScreenPosition(WorldRenderer wr)
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{
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return wr.ScreenPxPosition(pos) + wr.ScreenPxOffset(offset) - (0.5f*scale*sprite.size).ToInt2();
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}
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public void BeforeRender(WorldRenderer wr) {}
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public void Render(WorldRenderer wr)
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{
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sprite.DrawAt(ScreenPosition(wr), palette, scale);
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}
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public void RenderDebugGeometry(WorldRenderer wr)
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{
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var offset = ScreenPosition(wr) + sprite.offset;
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Game.Renderer.WorldLineRenderer.DrawRect(offset, offset + sprite.size, Color.Red);
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}
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}
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}
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