epic/OpenRA
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Consolidate viewport clip calculations into one place (except for TerrainRenderer, but changing that calculation crashes my gfx card).

Browse Source
This commit is contained in:
Paul Chote
2010-11-26 18:23:13 +13:00
parent 7c5c989eb2
commit fb0e399ab9
8 changed files with 43 additions and 68 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
OpenRA.Game/Graphics/Viewport.cs
View File

@@ -122,20 +122,30 @@ namespace OpenRA.Graphics
scrollPosition = this.NormalizeScrollPosition((avgPos.ToInt2() - screenSize / 2));
}
public Rectangle ShroudBounds( World world )
{
if( world.LocalShroud.Disabled || !world.LocalShroud.Bounds.HasValue )
return world.Map.Bounds;
return Rectangle.Intersect( world.LocalShroud.Bounds.Value, world.Map.Bounds );
}
public Rectangle ViewBounds()
public Rectangle ViewBounds(World world)
{
var r = WorldBounds(world);
var left = (int)(Game.CellSize * r.Left - Game.viewport.Location.X);
var top = (int)(Game.CellSize * r.Top - Game.viewport.Location.Y);
var right = left + (int)(Game.CellSize * r.Width);
var bottom = top + (int)(Game.CellSize * r.Height);
if (left < 0) left = 0;
if (top < 0) top = 0;
if (right > Game.viewport.Width) right = Game.viewport.Width;
if (bottom > Game.viewport.Height) bottom = Game.viewport.Height;
return new Rectangle(left, top, right - left, bottom - top);
}
public Rectangle WorldBounds(World world)
{
int2 boundary = new int2(1,1); // Add a curtain of cells around the viewport to account for rounding errors
var tl = ViewToWorld(int2.Zero).ToInt2() - boundary;
var br = ViewToWorld(new int2(Width, Height)).ToInt2() + boundary;
return Rectangle.FromLTRB(tl.X, tl.Y, br.X, br.Y);
var view = Rectangle.Intersect(Rectangle.FromLTRB(tl.X, tl.Y, br.X, br.Y), world.Map.Bounds);
var b = world.LocalShroud.Bounds;
return (b.HasValue) ? Rectangle.Intersect(view, b.Value) : view;
}
}
}