59 lines
1.3 KiB
C#
59 lines
1.3 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Drawing;
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using System.Windows.Forms;
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namespace OpenRa.Game
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{
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class Viewport
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{
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readonly float2 size;
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readonly float2 mapSize;
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float2 scrollPosition;
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readonly Renderer renderer;
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public float2 Location { get { return scrollPosition; } }
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public float2 Size { get { return size; } }
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public int Width { get { return (int)size.X; } }
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public int Height { get { return (int)size.Y; } }
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public void Scroll(float2 delta)
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{
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scrollPosition = (scrollPosition + delta).Constrain(float2.Zero, mapSize);
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}
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public Viewport(float2 size, float2 mapSize, Renderer renderer)
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{
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this.size = size;
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this.mapSize = 24 * mapSize - size + new float2(128, 0);
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this.renderer = renderer;
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}
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List<Region> regions = new List<Region>();
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public void AddRegion(Region r)
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{
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regions.Add(r);
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}
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public void DrawRegions(Game game)
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{
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float2 r1 = new float2(2, -2) / Size;
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float2 r2 = new float2(-1, 1);
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renderer.BeginFrame(r1, r2, scrollPosition);
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foreach (Region region in regions)
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region.Draw(renderer);
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renderer.EndFrame();
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}
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public IEnumerable<Region> Regions
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{
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get { return regions; }
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}
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}
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}
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