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Add a PixelDouble preference for rendering at 2x zoom. Allowing arbitrary zoom levels leads to too many rendering artifacts.

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This commit is contained in:
Paul Chote
2011-07-22 23:39:17 +12:00
parent 626b83ba12
commit d2c033dcd3
2 changed files with 32 additions and 13 deletions
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1
OpenRA.Game/GameRules/Settings.cs
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@@ -58,6 +58,7 @@ namespace OpenRA.GameRules
public WindowMode Mode = WindowMode.PseudoFullscreen;
public int2 FullscreenSize = new int2(0,0);
public int2 WindowedSize = new int2(1024, 768);
public bool PixelDouble = false;
public int BatchSize = 8192;
public int NumTempBuffers = 8;

42
OpenRA.Game/Graphics/Viewport.cs
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@@ -30,9 +30,10 @@ namespace OpenRA.Graphics
public class Viewport
{
readonly int2 screenSize;
int2 scrollPosition;
readonly Renderer renderer;
readonly Rectangle scrollLimits;
readonly Rectangle mapBounds;
Rectangle scrollLimits;
int2 scrollPosition;
// Top-left of the viewport, in world-px units
public float2 Location { get { return scrollPosition; } }
@@ -51,7 +52,31 @@ namespace OpenRA.Graphics
public int Width { get { return screenSize.X; } }
public int Height { get { return screenSize.Y; } }
public float Zoom = 1f;
float zoom = 1f;
public float Zoom
{
get
{
return zoom;
}
set
{
var oldCenter = CenterLocation;
zoom = value;
// Update scroll limits
var viewTL = (Game.CellSize*new float2(mapBounds.Left, mapBounds.Top)).ToInt2();
var viewBR = (Game.CellSize*new float2(mapBounds.Right, mapBounds.Bottom)).ToInt2();
var border = (.5f/Zoom * screenSize.ToFloat2()).ToInt2();
scrollLimits = Rectangle.FromLTRB(viewTL.X - border.X,
viewTL.Y - border.Y,
viewBR.X - border.X,
viewBR.Y - border.Y);
// Re-center viewport
scrollPosition = NormalizeScrollPosition((oldCenter - 0.5f / Zoom * screenSize.ToFloat2()).ToInt2());
}
}
float cursorFrame = 0f;
@@ -94,16 +119,9 @@ namespace OpenRA.Graphics
{
this.screenSize = screenSize;
this.renderer = renderer;
this.mapBounds = mapBounds;
var viewTL = (Game.CellSize*new float2(mapBounds.Left, mapBounds.Top)).ToInt2();
var viewBR = (Game.CellSize*new float2(mapBounds.Right, mapBounds.Bottom)).ToInt2();
var border = (.5f/Zoom * screenSize.ToFloat2()).ToInt2();
scrollLimits = Rectangle.FromLTRB(viewTL.X - border.X,
viewTL.Y - border.Y,
viewBR.X - border.X,
viewBR.Y - border.Y);
Zoom = Game.Settings.Graphics.PixelDouble ? 2 : 1;
scrollPosition = new int2(scrollLimits.Location) + new int2(scrollLimits.Size)/2;
}