140 lines
5.0 KiB
C#
140 lines
5.0 KiB
C#
#region Copyright & License Information
|
|
/*
|
|
* Copyright (c) The OpenRA Developers and Contributors
|
|
* 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, either version 3 of
|
|
* the License, or (at your option) any later version. For more
|
|
* information, see COPYING.
|
|
*/
|
|
#endregion
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using OpenRA.Primitives;
|
|
|
|
namespace OpenRA.Graphics
|
|
{
|
|
public class SpriteRenderable : IPalettedRenderable, IModifyableRenderable, IFinalizedRenderable
|
|
{
|
|
public static readonly IEnumerable<IRenderable> None = Array.Empty<IRenderable>();
|
|
|
|
readonly Sprite sprite;
|
|
readonly WPos pos;
|
|
readonly WVec offset;
|
|
readonly int zOffset;
|
|
readonly PaletteReference palette;
|
|
readonly float scale;
|
|
readonly WAngle rotation = WAngle.Zero;
|
|
readonly float3 tint;
|
|
readonly TintModifiers tintModifiers;
|
|
readonly float alpha;
|
|
readonly bool isDecoration;
|
|
|
|
public SpriteRenderable(Sprite sprite, WPos pos, WVec offset, int zOffset, PaletteReference palette, float scale, float alpha,
|
|
float3 tint, TintModifiers tintModifiers, bool isDecoration, WAngle rotation)
|
|
{
|
|
this.sprite = sprite;
|
|
this.pos = pos;
|
|
this.offset = offset;
|
|
this.zOffset = zOffset;
|
|
this.palette = palette;
|
|
this.scale = scale;
|
|
this.rotation = rotation;
|
|
this.tint = tint;
|
|
this.isDecoration = isDecoration;
|
|
this.tintModifiers = tintModifiers;
|
|
this.alpha = alpha;
|
|
|
|
// PERF: Remove useless palette assignments for RGBA sprites
|
|
// HACK: This is working around the fact that palettes are defined on traits rather than sequences
|
|
// and can be removed once this has been fixed
|
|
if (sprite.Channel == TextureChannel.RGBA && !(palette?.HasColorShift ?? false))
|
|
this.palette = null;
|
|
}
|
|
|
|
public SpriteRenderable(Sprite sprite, WPos pos, WVec offset, int zOffset, PaletteReference palette, float scale, float alpha,
|
|
float3 tint, TintModifiers tintModifiers, bool isDecoration)
|
|
: this(sprite, pos, offset, zOffset, palette, scale, alpha, tint, tintModifiers, isDecoration, WAngle.Zero) { }
|
|
|
|
public WPos Pos => pos + offset;
|
|
public WVec Offset => offset;
|
|
public PaletteReference Palette => palette;
|
|
public int ZOffset => zOffset;
|
|
public bool IsDecoration => isDecoration;
|
|
|
|
public float Alpha => alpha;
|
|
public float3 Tint => tint;
|
|
public TintModifiers TintModifiers => tintModifiers;
|
|
|
|
public IPalettedRenderable WithPalette(PaletteReference newPalette)
|
|
{
|
|
return new SpriteRenderable(sprite, pos, offset, zOffset, newPalette, scale, alpha, tint, tintModifiers, isDecoration, rotation);
|
|
}
|
|
|
|
public IRenderable WithZOffset(int newOffset)
|
|
{
|
|
return new SpriteRenderable(sprite, pos, offset, newOffset, palette, scale, alpha, tint, tintModifiers, isDecoration, rotation);
|
|
}
|
|
|
|
public IRenderable OffsetBy(in WVec vec)
|
|
{
|
|
return new SpriteRenderable(sprite, pos + vec, offset, zOffset, palette, scale, alpha, tint, tintModifiers, isDecoration, rotation);
|
|
}
|
|
|
|
public IRenderable AsDecoration()
|
|
{
|
|
return new SpriteRenderable(sprite, pos, offset, zOffset, palette, scale, alpha, tint, tintModifiers, true, rotation);
|
|
}
|
|
|
|
public IModifyableRenderable WithAlpha(float newAlpha)
|
|
{
|
|
return new SpriteRenderable(sprite, pos, offset, zOffset, palette, scale, newAlpha, tint, tintModifiers, isDecoration, rotation);
|
|
}
|
|
|
|
public IModifyableRenderable WithTint(in float3 newTint, TintModifiers newTintModifiers)
|
|
{
|
|
return new SpriteRenderable(sprite, pos, offset, zOffset, palette, scale, alpha, newTint, newTintModifiers, isDecoration, rotation);
|
|
}
|
|
|
|
float3 ScreenPosition(WorldRenderer wr)
|
|
{
|
|
var s = 0.5f * scale * sprite.Size;
|
|
return wr.Screen3DPxPosition(pos) + wr.ScreenPxOffset(offset) - new float3((int)s.X, (int)s.Y, s.Z);
|
|
}
|
|
|
|
public IFinalizedRenderable PrepareRender(WorldRenderer wr) { return this; }
|
|
public void Render(WorldRenderer wr)
|
|
{
|
|
var wsr = Game.Renderer.WorldSpriteRenderer;
|
|
var t = alpha * tint;
|
|
if (wr.TerrainLighting != null && (tintModifiers & TintModifiers.IgnoreWorldTint) == 0)
|
|
t *= wr.TerrainLighting.TintAt(pos);
|
|
|
|
// Shader interprets negative alpha as a flag to use the tint colour directly instead of multiplying the sprite colour
|
|
var a = alpha;
|
|
if ((tintModifiers & TintModifiers.ReplaceColor) != 0)
|
|
a *= -1;
|
|
|
|
wsr.DrawSprite(sprite, palette, ScreenPosition(wr), scale, t, a, rotation.RendererRadians());
|
|
}
|
|
|
|
public void RenderDebugGeometry(WorldRenderer wr)
|
|
{
|
|
var pos = ScreenPosition(wr) + sprite.Offset;
|
|
var tl = wr.Viewport.WorldToViewPx(pos);
|
|
var br = wr.Viewport.WorldToViewPx(pos + sprite.Size);
|
|
if (rotation == WAngle.Zero)
|
|
Game.Renderer.RgbaColorRenderer.DrawRect(tl, br, 1, Color.Red);
|
|
else
|
|
Game.Renderer.RgbaColorRenderer.DrawPolygon(Util.RotateQuad(tl, br - tl, rotation.RendererRadians()), 1, Color.Red);
|
|
}
|
|
|
|
public Rectangle ScreenBounds(WorldRenderer wr)
|
|
{
|
|
var screenOffset = ScreenPosition(wr) + sprite.Offset;
|
|
return Util.BoundingRectangle(screenOffset, sprite.Size, rotation.RendererRadians());
|
|
}
|
|
}
|
|
}
|