Files
OpenRA/OpenRA.Game/Graphics/Renderable.cs
Paul Chote c55d723fb4 Remove Scale from IRenderable interface.
It is no longer used, and isn’t implemented for most renderables.
2015-02-09 23:26:06 +00:00

90 lines
3.0 KiB
C#

#region Copyright & License Information
/*
* Copyright 2007-2015 The OpenRA Developers (see AUTHORS)
* This file is part of OpenRA, which is free software. It is made
* available to you under the terms of the GNU General Public License
* as published by the Free Software Foundation. For more information,
* see COPYING.
*/
#endregion
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
namespace OpenRA.Graphics
{
public interface IRenderable
{
WPos Pos { get; }
PaletteReference Palette { get; }
int ZOffset { get; }
bool IsDecoration { get; }
IRenderable WithPalette(PaletteReference newPalette);
IRenderable WithZOffset(int newOffset);
IRenderable OffsetBy(WVec offset);
IRenderable AsDecoration();
IFinalizedRenderable PrepareRender(WorldRenderer wr);
}
public interface IFinalizedRenderable
{
void Render(WorldRenderer wr);
void RenderDebugGeometry(WorldRenderer wr);
}
public struct SpriteRenderable : IRenderable, IFinalizedRenderable
{
public static readonly IEnumerable<IRenderable> None = new IRenderable[0].AsEnumerable();
readonly Sprite sprite;
readonly WPos pos;
readonly WVec offset;
readonly int zOffset;
readonly PaletteReference palette;
readonly float scale;
readonly bool isDecoration;
public SpriteRenderable(Sprite sprite, WPos pos, WVec offset, int zOffset, PaletteReference palette, float scale, bool isDecoration)
{
this.sprite = sprite;
this.pos = pos;
this.offset = offset;
this.zOffset = zOffset;
this.palette = palette;
this.scale = scale;
this.isDecoration = isDecoration;
}
public WPos Pos { get { return pos + offset; } }
public WVec Offset { get { return offset; } }
public PaletteReference Palette { get { return palette; } }
public int ZOffset { get { return zOffset; } }
public bool IsDecoration { get { return isDecoration; } }
public IRenderable WithPalette(PaletteReference newPalette) { return new SpriteRenderable(sprite, pos, offset, zOffset, newPalette, scale, isDecoration); }
public IRenderable WithZOffset(int newOffset) { return new SpriteRenderable(sprite, pos, offset, newOffset, palette, scale, isDecoration); }
public IRenderable OffsetBy(WVec vec) { return new SpriteRenderable(sprite, pos + vec, offset, zOffset, palette, scale, isDecoration); }
public IRenderable AsDecoration() { return new SpriteRenderable(sprite, pos, offset, zOffset, palette, scale, true); }
float2 ScreenPosition(WorldRenderer wr)
{
return wr.ScreenPxPosition(pos) + wr.ScreenPxOffset(offset) - (0.5f * scale * sprite.Size).ToInt2();
}
public IFinalizedRenderable PrepareRender(WorldRenderer wr) { return this; }
public void Render(WorldRenderer wr)
{
Game.Renderer.WorldSpriteRenderer.DrawSprite(sprite, ScreenPosition(wr), palette, sprite.Size * scale);
}
public void RenderDebugGeometry(WorldRenderer wr)
{
var offset = ScreenPosition(wr) + sprite.Offset;
Game.Renderer.WorldLineRenderer.DrawRect(offset, offset + sprite.Size, Color.Red);
}
}
}