fe78e22747
Using the building footprint, the placement overlay is offset from the cursor so the cursor is in the approximate middle of the overlay (not precisely due to overlay snapping to tiles). The tile size (24) was used as a magic number in a lot of places, they have been replaced with Game.CellSize.
88 lines
2.8 KiB
C#
88 lines
2.8 KiB
C#
using System.Drawing;
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using System.Windows.Forms;
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using Ijw.DirectX;
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using IjwFramework.Collections;
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using OpenRa.FileFormats;
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namespace OpenRa.Game.Graphics
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{
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class TerrainRenderer
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{
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FvfVertexBuffer<Vertex> vertexBuffer;
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IndexBuffer indexBuffer;
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Sheet terrainSheet;
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public TileSet tileSet;
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Region region;
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Renderer renderer;
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Map map;
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Viewport viewport;
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OverlayRenderer overlayRenderer;
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public TerrainRenderer(Renderer renderer, Map map, Viewport viewport)
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{
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this.renderer = renderer;
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this.viewport = viewport;
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region = Region.Create(viewport, DockStyle.Left, viewport.Width - 128, Draw, null );
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viewport.AddRegion(region);
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this.map = map;
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overlayRenderer = new OverlayRenderer( renderer, map );
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tileSet = new TileSet( map.TileSuffix );
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Size tileSize = new Size( Game.CellSize, Game.CellSize );
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var tileMapping = new Cache<TileReference, Sprite>(
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x => SheetBuilder.Add(tileSet.GetBytes(x), tileSize));
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Vertex[] vertices = new Vertex[4 * map.Height * map.Width];
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ushort[] indices = new ushort[6 * map.Height * map.Width];
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int nv = 0;
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int ni = 0;
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for( int j = 0 ; j < map.Height ; j++ )
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for (int i = 0; i < map.Width; i++)
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{
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Sprite tile = tileMapping[map.MapTiles[i + map.XOffset, j + map.YOffset]];
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Util.FastCreateQuad(vertices, indices, Game.CellSize * new float2(i, j), tile, 0, nv, ni);
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nv += 4;
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ni += 6;
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}
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terrainSheet = tileMapping[map.MapTiles[map.XOffset, map.YOffset]].sheet;
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vertexBuffer = new FvfVertexBuffer<Vertex>( renderer.Device, vertices.Length, Vertex.Format );
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vertexBuffer.SetData( vertices );
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indexBuffer = new IndexBuffer( renderer.Device, indices.Length );
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indexBuffer.SetData( indices );
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}
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void Draw()
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{
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int indicesPerRow = map.Width * 6;
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int verticesPerRow = map.Width * 4;
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int visibleRows = (int)(region.Size.Y / 24.0f + 2);
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int firstRow = (int)((region.Position.Y + viewport.Location.Y) / 24.0f);
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int lastRow = firstRow + visibleRows;
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if (lastRow < 0 || firstRow > map.Height)
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return;
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if (firstRow < 0) firstRow = 0;
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if (lastRow > map.Height) lastRow = map.Height;
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renderer.SpriteShader.Quality = ShaderQuality.Low;
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renderer.SpriteShader.Render(() =>
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renderer.DrawBatch(vertexBuffer, indexBuffer,
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new Range<int>(verticesPerRow * firstRow, verticesPerRow * lastRow),
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new Range<int>(indicesPerRow * firstRow, indicesPerRow * lastRow),
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terrainSheet.Texture, PrimitiveType.TriangleList));
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overlayRenderer.Draw();
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}
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}
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}
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