102 lines
4.2 KiB
C#
102 lines
4.2 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2020 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, either version 3 of
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* the License, or (at your option) any later version. For more
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* information, see COPYING.
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*/
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#endregion
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using System.Collections.Generic;
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using OpenRA.Primitives;
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namespace OpenRA.Graphics
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{
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public struct SpriteRenderable : IRenderable, ITintableRenderable, IFinalizedRenderable
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{
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public static readonly IEnumerable<IRenderable> None = new IRenderable[0];
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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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readonly float3 tint;
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readonly bool isDecoration;
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readonly bool ignoreWorldTint;
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public SpriteRenderable(Sprite sprite, WPos pos, WVec offset, int zOffset, PaletteReference palette, float scale, bool isDecoration)
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: this(sprite, pos, offset, zOffset, palette, scale, float3.Ones, isDecoration, false) { }
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public SpriteRenderable(Sprite sprite, WPos pos, WVec offset, int zOffset, PaletteReference palette, float scale, bool isDecoration, bool ignoreWorldTint)
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: this(sprite, pos, offset, zOffset, palette, scale, float3.Ones, isDecoration, ignoreWorldTint) { }
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public SpriteRenderable(Sprite sprite, WPos pos, WVec offset, int zOffset, PaletteReference palette, float scale, float3 tint, bool isDecoration, bool ignoreWorldTint)
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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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this.tint = tint;
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this.isDecoration = isDecoration;
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this.ignoreWorldTint = ignoreWorldTint;
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}
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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 PaletteReference Palette { get { return palette; } }
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public int ZOffset { get { return zOffset; } }
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public bool IsDecoration { get { return isDecoration; } }
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public IRenderable WithPalette(PaletteReference newPalette) { return new SpriteRenderable(sprite, pos, offset, zOffset, newPalette, scale, tint, isDecoration, ignoreWorldTint); }
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public IRenderable WithZOffset(int newOffset) { return new SpriteRenderable(sprite, pos, offset, newOffset, palette, scale, tint, isDecoration, ignoreWorldTint); }
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public IRenderable OffsetBy(WVec vec) { return new SpriteRenderable(sprite, pos + vec, offset, zOffset, palette, scale, tint, isDecoration, ignoreWorldTint); }
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public IRenderable AsDecoration() { return new SpriteRenderable(sprite, pos, offset, zOffset, palette, scale, tint, true, ignoreWorldTint); }
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public IRenderable WithTint(float3 newTint) { return new SpriteRenderable(sprite, pos, offset, zOffset, palette, scale, newTint, isDecoration, ignoreWorldTint); }
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float3 ScreenPosition(WorldRenderer wr)
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{
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var xy = wr.ScreenPxPosition(pos) + wr.ScreenPxOffset(offset) - (0.5f * scale * sprite.Size.XY).ToInt2();
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// HACK: The z offset needs to be applied somewhere, but this probably is the wrong place.
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return new float3(xy, sprite.Offset.Z + wr.ScreenZPosition(pos, 0) - 0.5f * scale * sprite.Size.Z);
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}
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public IFinalizedRenderable PrepareRender(WorldRenderer wr) { return this; }
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public void Render(WorldRenderer wr)
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{
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var wsr = Game.Renderer.WorldSpriteRenderer;
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if (ignoreWorldTint)
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wsr.DrawSprite(sprite, ScreenPosition(wr), palette, scale * sprite.Size);
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else
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{
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var t = tint;
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if (wr.TerrainLighting != null)
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t *= wr.TerrainLighting.TintAt(pos);
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wsr.DrawSpriteWithTint(sprite, ScreenPosition(wr), palette, scale * sprite.Size, t);
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}
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}
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public void RenderDebugGeometry(WorldRenderer wr)
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{
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var pos = ScreenPosition(wr) + sprite.Offset;
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var tl = wr.Viewport.WorldToViewPx(pos);
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var br = wr.Viewport.WorldToViewPx(pos + sprite.Size);
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Game.Renderer.RgbaColorRenderer.DrawRect(tl, br, 1, Color.Red);
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}
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public Rectangle ScreenBounds(WorldRenderer wr)
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{
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var screenOffset = ScreenPosition(wr) + sprite.Offset;
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return new Rectangle((int)screenOffset.X, (int)screenOffset.Y, (int)sprite.Size.X, (int)sprite.Size.Y);
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}
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}
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}
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