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Render world via an intermediate FrameBuffer.

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This commit is contained in:
Paul Chote
2019-11-03 17:57:36 +00:00
committed by reaperrr
parent 0c8a47b5af
commit 327866ffc3
4 changed files with 91 additions and 36 deletions
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12
OpenRA.Game/Graphics/Viewport.cs
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@@ -46,6 +46,7 @@ namespace OpenRA.Graphics
public WPos CenterPosition { get { return worldRenderer.ProjectedPosition(CenterLocation); } }
public Rectangle Rectangle { get { return new Rectangle(TopLeft, new Size(viewportSize.X, viewportSize.Y)); } }
public int2 TopLeft { get { return CenterLocation - viewportSize / 2; } }
public int2 BottomRight { get { return CenterLocation + viewportSize / 2; } }
int2 viewportSize;
@@ -240,7 +241,6 @@ namespace OpenRA.Graphics
}
// Rectangle (in viewport coords) that contains things to be drawn
static readonly Rectangle ScreenClip = Rectangle.FromLTRB(0, 0, Game.Renderer.Resolution.Width, Game.Renderer.Resolution.Height);
public Rectangle GetScissorBounds(bool insideBounds)
{
// Visible rectangle in world coordinates (expanded to the corners of the cells)
@@ -250,12 +250,12 @@ namespace OpenRA.Graphics
var cbr = map.CenterOfCell(((MPos)bounds.BottomRight).ToCPos(map)) + new WVec(512, 512, 0);
// Convert to screen coordinates
var tl = WorldToViewPx(worldRenderer.ScreenPxPosition(ctl - new WVec(0, 0, ctl.Z))).Clamp(ScreenClip);
var br = WorldToViewPx(worldRenderer.ScreenPxPosition(cbr - new WVec(0, 0, cbr.Z))).Clamp(ScreenClip);
var tl = worldRenderer.ScreenPxPosition(ctl - new WVec(0, 0, ctl.Z)) - TopLeft;
var br = worldRenderer.ScreenPxPosition(cbr - new WVec(0, 0, cbr.Z)) - TopLeft;
// Add an extra one cell fudge in each direction for safety
return Rectangle.FromLTRB(tl.X - tileSize.Width, tl.Y - tileSize.Height,
br.X + tileSize.Width, br.Y + tileSize.Height);
// Add an extra half-cell fudge to avoid clipping isometric tiles
return Rectangle.FromLTRB(tl.X - tileSize.Width / 2, tl.Y - tileSize.Height / 2,
br.X + tileSize.Width / 2, br.Y + tileSize.Height / 2);
}
ProjectedCellRegion CalculateVisibleCells(bool insideBounds)