Files
OpenRA/OpenRA.Mods.Common/EditorBrushes/EditorResourceBrush.cs

116 lines
3.3 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.Linq;
using OpenRA.Graphics;
using OpenRA.Traits;
namespace OpenRA.Mods.Common.Widgets
{
public sealed class EditorResourceBrush : IEditorBrush
{
public readonly ResourceTypeInfo ResourceType;
readonly WorldRenderer worldRenderer;
readonly World world;
readonly EditorViewportControllerWidget editorWidget;
readonly SpriteWidget preview;
public EditorResourceBrush(EditorViewportControllerWidget editorWidget, ResourceTypeInfo resource, WorldRenderer wr)
{
this.editorWidget = editorWidget;
ResourceType = resource;
worldRenderer = wr;
world = wr.World;
preview = editorWidget.Get<SpriteWidget>("DRAG_LAYER_PREVIEW");
preview.Palette = resource.Palette;
preview.GetScale = () => worldRenderer.Viewport.Zoom;
preview.IsVisible = () => editorWidget.CurrentBrush == this;
var variant = resource.Variants.FirstOrDefault();
var sequenceProvider = wr.World.Map.Rules.Sequences[world.TileSet.Id];
var sequence = sequenceProvider.GetSequence("resources", variant);
var sprite = sequence.GetSprite(resource.MaxDensity - 1);
preview.GetSprite = () => sprite;
// The preview widget may be rendered by the higher-level code before it is ticked.
// Force a manual tick to ensure the bounds are set correctly for this first draw.
Tick();
}
public bool HandleMouseInput(MouseInput mi)
{
// Exclusively uses left and right mouse buttons, but nothing else
if (mi.Button != MouseButton.Left && mi.Button != MouseButton.Right)
return false;
if (mi.Button == MouseButton.Right)
{
if (mi.Event == MouseInputEvent.Up)
{
editorWidget.ClearBrush();
return true;
}
return false;
}
var cell = worldRenderer.Viewport.ViewToWorld(mi.Location);
if (mi.Button == MouseButton.Left && AllowResourceAt(cell))
{
var type = (byte)ResourceType.ResourceType;
var index = (byte)ResourceType.MaxDensity;
world.Map.MapResources.Value[cell] = new ResourceTile(type, index);
}
return true;
}
public bool AllowResourceAt(CPos cell)
{
var mapResources = world.Map.MapResources.Value;
if (!mapResources.Contains(cell))
return false;
var tile = world.Map.MapTiles.Value[cell];
var tileInfo = world.TileSet.GetTileInfo(tile);
if (tileInfo == null)
return false;
var terrainType = world.TileSet.TerrainInfo[tileInfo.TerrainType];
if (mapResources[cell].Type == ResourceType.ResourceType)
return false;
if (!ResourceType.AllowedTerrainTypes.Contains(terrainType.Type))
return false;
return ResourceType.AllowOnRamps || tileInfo.RampType == 0;
}
public void Tick()
{
var cell = worldRenderer.Viewport.ViewToWorld(Viewport.LastMousePos);
var offset = WVec.Zero;
var location = world.Map.CenterOfCell(cell) + offset;
var cellScreenPosition = worldRenderer.ScreenPxPosition(location);
var cellScreenPixel = worldRenderer.Viewport.WorldToViewPx(cellScreenPosition);
preview.Bounds.X = cellScreenPixel.X;
preview.Bounds.Y = cellScreenPixel.Y;
}
public void Dispose() { }
}
}