135 lines
5.1 KiB
C#
135 lines
5.1 KiB
C#
#region Copyright & License Information
|
|
/*
|
|
* Copyright 2007-2021 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, either version 3 of
|
|
* the License, or (at your option) any later version. For more
|
|
* information, see COPYING.
|
|
*/
|
|
#endregion
|
|
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using OpenRA.Graphics;
|
|
using OpenRA.Mods.Common.Orders;
|
|
using OpenRA.Primitives;
|
|
using OpenRA.Traits;
|
|
|
|
namespace OpenRA.Mods.Common.Traits
|
|
{
|
|
[Desc("Creates a building placement preview showing only the building footprint.")]
|
|
public class FootprintPlaceBuildingPreviewInfo : TraitInfo<FootprintPlaceBuildingPreview>, IPlaceBuildingPreviewGeneratorInfo
|
|
{
|
|
[PaletteReference]
|
|
[Desc("Palette to use for rendering the placement sprite.")]
|
|
public readonly string Palette = TileSet.TerrainPaletteInternalName;
|
|
|
|
[Desc("Custom opacity to apply to the placement sprite.")]
|
|
public readonly float FootprintAlpha = 1f;
|
|
|
|
[Desc("Custom opacity to apply to the line-build placement sprite.")]
|
|
public readonly float LineBuildFootprintAlpha = 1f;
|
|
|
|
protected virtual IPlaceBuildingPreview CreatePreview(WorldRenderer wr, ActorInfo ai, TypeDictionary init)
|
|
{
|
|
return new FootprintPlaceBuildingPreviewPreview(wr, ai, this);
|
|
}
|
|
|
|
IPlaceBuildingPreview IPlaceBuildingPreviewGeneratorInfo.CreatePreview(WorldRenderer wr, ActorInfo ai, TypeDictionary init)
|
|
{
|
|
return CreatePreview(wr, ai, init);
|
|
}
|
|
}
|
|
|
|
public class FootprintPlaceBuildingPreview { }
|
|
|
|
public class FootprintPlaceBuildingPreviewPreview : IPlaceBuildingPreview
|
|
{
|
|
protected readonly ActorInfo ActorInfo;
|
|
protected readonly WVec CenterOffset;
|
|
readonly FootprintPlaceBuildingPreviewInfo info;
|
|
readonly IPlaceBuildingDecorationInfo[] decorations;
|
|
readonly int2 topLeftScreenOffset;
|
|
readonly Sprite validTile, blockedTile;
|
|
readonly float validAlpha, blockedAlpha;
|
|
|
|
public FootprintPlaceBuildingPreviewPreview(WorldRenderer wr, ActorInfo ai, FootprintPlaceBuildingPreviewInfo info)
|
|
{
|
|
ActorInfo = ai;
|
|
this.info = info;
|
|
decorations = ActorInfo.TraitInfos<IPlaceBuildingDecorationInfo>().ToArray();
|
|
|
|
var world = wr.World;
|
|
CenterOffset = ActorInfo.TraitInfo<BuildingInfo>().CenterOffset(world);
|
|
topLeftScreenOffset = -wr.ScreenPxOffset(CenterOffset);
|
|
|
|
var tileset = world.Map.Tileset.ToLowerInvariant();
|
|
if (world.Map.Rules.Sequences.HasSequence("overlay", $"build-valid-{tileset}"))
|
|
{
|
|
var validSequence = world.Map.Rules.Sequences.GetSequence("overlay", $"build-valid-{tileset}");
|
|
validTile = validSequence.GetSprite(0);
|
|
validAlpha = validSequence.GetAlpha(0);
|
|
}
|
|
else
|
|
{
|
|
var validSequence = world.Map.Rules.Sequences.GetSequence("overlay", "build-valid");
|
|
validTile = validSequence.GetSprite(0);
|
|
validAlpha = validSequence.GetAlpha(0);
|
|
}
|
|
|
|
var blockedSequence = world.Map.Rules.Sequences.GetSequence("overlay", "build-invalid");
|
|
blockedTile = blockedSequence.GetSprite(0);
|
|
blockedAlpha = blockedSequence.GetAlpha(0);
|
|
}
|
|
|
|
protected virtual void TickInner() { }
|
|
|
|
protected virtual IEnumerable<IRenderable> RenderFootprint(WorldRenderer wr, CPos topLeft, Dictionary<CPos, PlaceBuildingCellType> footprint,
|
|
PlaceBuildingCellType filter = PlaceBuildingCellType.Invalid | PlaceBuildingCellType.Valid | PlaceBuildingCellType.LineBuild)
|
|
{
|
|
var palette = wr.Palette(info.Palette);
|
|
var topLeftPos = wr.World.Map.CenterOfCell(topLeft);
|
|
foreach (var c in footprint)
|
|
{
|
|
if ((c.Value & filter) == 0)
|
|
continue;
|
|
|
|
var tile = (c.Value & PlaceBuildingCellType.Invalid) != 0 ? blockedTile : validTile;
|
|
var sequenceAlpha = (c.Value & PlaceBuildingCellType.Invalid) != 0 ? blockedAlpha : validAlpha;
|
|
var pos = wr.World.Map.CenterOfCell(c.Key);
|
|
var offset = new WVec(0, 0, topLeftPos.Z - pos.Z);
|
|
var traitAlpha = (c.Value & PlaceBuildingCellType.LineBuild) != 0 ? info.LineBuildFootprintAlpha : info.FootprintAlpha;
|
|
yield return new SpriteRenderable(tile, pos, offset, -511, palette, 1f, sequenceAlpha * traitAlpha, float3.Ones, TintModifiers.IgnoreWorldTint, true);
|
|
}
|
|
}
|
|
|
|
protected virtual IEnumerable<IRenderable> RenderAnnotations(WorldRenderer wr, CPos topLeft)
|
|
{
|
|
var centerPosition = wr.World.Map.CenterOfCell(topLeft) + CenterOffset;
|
|
foreach (var d in decorations)
|
|
foreach (var r in d.RenderAnnotations(wr, wr.World, ActorInfo, centerPosition))
|
|
yield return r;
|
|
}
|
|
|
|
protected virtual IEnumerable<IRenderable> RenderInner(WorldRenderer wr, CPos topLeft, Dictionary<CPos, PlaceBuildingCellType> footprint)
|
|
{
|
|
return RenderFootprint(wr, topLeft, footprint);
|
|
}
|
|
|
|
IEnumerable<IRenderable> IPlaceBuildingPreview.Render(WorldRenderer wr, CPos topLeft, Dictionary<CPos, PlaceBuildingCellType> footprint)
|
|
{
|
|
return RenderInner(wr, topLeft, footprint);
|
|
}
|
|
|
|
IEnumerable<IRenderable> IPlaceBuildingPreview.RenderAnnotations(WorldRenderer wr, CPos topLeft)
|
|
{
|
|
return RenderAnnotations(wr, topLeft);
|
|
}
|
|
|
|
void IPlaceBuildingPreview.Tick() { TickInner(); }
|
|
|
|
int2 IPlaceBuildingPreview.TopLeftScreenOffset => topLeftScreenOffset;
|
|
}
|
|
}
|