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Account for heightmaps in choosing the minimap bounds.

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This commit is contained in:
Paul Chote
2015-07-30 17:22:25 +01:00
parent c2cbf7c79d
commit 372d93994c
1 changed files with 25 additions and 1 deletions
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26
OpenRA.Mods.Common/Widgets/RadarWidget.cs
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@@ -83,7 +83,31 @@ namespace OpenRA.Mods.Common.Widgets
void MapBoundsChanged()
{
var b = world.Map.Bounds;
var map = world.Map;
// The minimap is drawn in cell space, so we need to
// unproject the bounds to find the extent of the map.
var projectedLeft = map.Bounds.Left;
var projectedRight = map.Bounds.Right;
var projectedTop = map.Bounds.Top;
var projectedBottom = map.Bounds.Bottom;
var top = int.MaxValue;
var bottom = int.MinValue;
for (var x = projectedLeft; x < projectedRight; x++)
{
var allTop = map.Unproject(new PPos(x, projectedTop));
var allBottom = map.Unproject(new PPos(x, projectedBottom));
if (allTop.Any())
top = Math.Min(top, allTop.MinBy(uv => uv.V).V);
if (allBottom.Any())
bottom = Math.Max(bottom, allBottom.MinBy(uv => uv.V).V);
}
// Map bounds in cell space
var b = Rectangle.FromLTRB(projectedLeft, top, projectedRight, bottom);
var rb = RenderBounds;
previewScale = Math.Min(rb.Width * 1f / b.Width, rb.Height * 1f / b.Height);
previewOrigin = new int2((int)((rb.Width - previewScale * b.Width) / 2), (int)((rb.Height - previewScale * b.Height) / 2));