Files
OpenRA/OpenRa.Game/Viewport.cs

58 lines
1.4 KiB
C#

using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using System.Windows.Forms;
using BluntDirectX.Direct3D;
namespace OpenRa.Game
{
class Viewport
{
readonly Size clientSize;
readonly float2 mapSize;
float2 scrollPosition;
readonly Renderer renderer;
public Size ClientSize { get { return clientSize; } }
public float2 Location { get { return scrollPosition; } }
public float2 Size { get { return new float2(ClientSize); } }
public int Width { get { return clientSize.Width; } }
public int Height { get { return clientSize.Height; } }
public void Scroll(float2 delta)
{
scrollPosition = (scrollPosition + delta).Constrain(
new Range<float2>(float2.Zero, mapSize));
}
public Viewport(Size clientSize, float2 mapSize, Renderer renderer)
{
this.clientSize = clientSize;
this.mapSize = 24 * mapSize - new float2(clientSize) + new float2(128, 0);
this.renderer = renderer;
}
List<Region> regions = new List<Region>();
public void AddRegion(Region r)
{
regions.Add(r);
}
public void DrawRegions()
{
float2 r1 = new float2(2, -2) / Size;
float2 r2 = new float2(-1, 1);
renderer.BeginFrame(r1, r2, scrollPosition);
foreach (Region region in regions)
region.Draw(renderer, this);
renderer.EndFrame();
}
}
}