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git-svn-id: svn://svn.ijw.co.nz/svn/OpenRa@1202 993157c7-ee19-0410-b2c4-bb4e9862e678

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This commit is contained in:
chrisf
2007-07-13 14:46:01 +00:00
parent 69dcbaaa70
commit 8cc0e26b3e
3 changed files with 14 additions and 4 deletions
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10
OpenRa.Game/MainWindow.cs
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@@ -74,7 +74,7 @@ namespace OpenRa.Game
}
}
PointF scrollPos, oldPos;
PointF scrollPos;
int x1,y1;
protected override void OnMouseDown(MouseEventArgs e)
@@ -83,7 +83,6 @@ namespace OpenRa.Game
x1 = e.X;
y1 = e.Y;
oldPos = scrollPos;
}
protected override void OnMouseMove(MouseEventArgs e)
@@ -92,9 +91,14 @@ namespace OpenRa.Game
if (e.Button != 0)
{
scrollPos = oldPos;
scrollPos.X += x1 - e.X;
scrollPos.Y += y1 - e.Y;
x1 = e.X;
y1 = e.Y;
scrollPos.X = Util.Constrain( scrollPos.X, new Range<float>(0, map.Width * 24 - ClientSize.Width));
scrollPos.Y = Util.Constrain(scrollPos.Y, new Range<float>(0, map.Height * 24 - ClientSize.Height));
}
}

2
OpenRa.Game/Renderer.cs
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@@ -43,7 +43,7 @@ namespace OpenRa.Game
public void BeginFrame( PointF r1, PointF r2, PointF scroll )
{
device.Begin();
device.Clear(0, Surfaces.Color);
//device.Clear(0, Surfaces.Color);
shader.SetValue(scrollHandle, scroll);
shader.SetValue(r1Handle, r1);

6
OpenRa.Game/Util.cs
View File

@@ -3,6 +3,7 @@ using System.Collections.Generic;
using System.Text;
using OpenRa.FileFormats;
using System.Drawing;
using BluntDirectX.Direct3D;
namespace OpenRa.Game
{
@@ -24,6 +25,11 @@ namespace OpenRa.Game
return (v > 0) ? v1 : v0;
}
public static float Constrain(float x, Range<float> range)
{
return x < range.Start ? range.Start : x > range.End ? range.End : x;
}
static PointF EncodeVertexAttributes(TextureChannel channel, int paletteLine)
{
Converter<TextureChannel, float> channelEncoder = delegate(TextureChannel c)