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Introduce initial PPos plumbing.

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PPos is best thought of as a cell grid applied in
screen space.  Multiple cells with different
terrain heights may be projected to the same PPos,
or to multiple PPos if they do not align with the
screen grid.

PPos coordinates are used primarily for map edge
checks and shroud / visibility queries.
This commit is contained in:
Paul Chote
2015-06-23 19:41:34 +01:00
parent fb5bcd3889
commit e8794032e0
14 changed files with 381 additions and 63 deletions
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11
OpenRA.Mods.Common/Traits/World/PathfinderDebugOverlay.cs
View File

@@ -60,23 +60,24 @@ namespace OpenRA.Mods.Common.Traits
var doDim = refreshTick - world.WorldTick <= 0;
if (doDim) refreshTick = world.WorldTick + 20;
var map = wr.World.Map;
foreach (var pair in layers)
{
var c = (pair.Key != null) ? pair.Key.Color.RGB : Color.PaleTurquoise;
var layer = pair.Value;
// Only render quads in viewing range:
foreach (var cell in wr.Viewport.VisibleCellsInsideBounds)
foreach (var uv in wr.Viewport.VisibleCellsInsideBounds.CandidateMapCoords)
{
if (layer[cell] <= 0)
if (layer[uv] <= 0)
continue;
var w = Math.Max(0, Math.Min(layer[cell], 128));
var w = Math.Max(0, Math.Min(layer[uv], 128));
if (doDim)
layer[cell] = layer[cell] * 5 / 6;
layer[uv] = layer[uv] * 5 / 6;
// TODO: This doesn't make sense for isometric terrain
var pos = wr.World.Map.CenterOfCell(cell);
var pos = wr.World.Map.CenterOfCell(uv.ToCPos(map));
var tl = wr.ScreenPxPosition(pos - new WVec(512, 512, 0));
var br = wr.ScreenPxPosition(pos + new WVec(511, 511, 0));
qr.FillRect(RectangleF.FromLTRB(tl.X, tl.Y, br.X, br.Y), Color.FromArgb(w, c));

4
OpenRA.Mods.Common/Traits/World/ShroudRenderer.cs
View File

@@ -249,7 +249,9 @@ namespace OpenRA.Mods.Common.Traits
}
currentShroud = shroud;
DirtyCells(map.CellsInsideBounds);
var dirty = map.ProjectedCellBounds
.SelectMany(puv => map.Unproject(puv).Select(uv => uv.ToCPos(map)));
DirtyCells(dirty);
}
// We need to update newly dirtied areas of the shroud.

18
OpenRA.Mods.Common/Traits/World/TerrainGeometryOverlay.cs
View File

@@ -57,7 +57,7 @@ namespace OpenRA.Mods.Common.Traits
var colors = wr.World.TileSet.HeightDebugColors;
var mouseCell = wr.Viewport.ViewToWorld(Viewport.LastMousePos).ToMPos(wr.World.Map);
foreach (var uv in wr.Viewport.AllVisibleCells.MapCoords)
foreach (var uv in wr.Viewport.AllVisibleCells.CandidateMapCoords)
{
var height = (int)map.MapHeight.Value[uv];
var tile = map.MapTiles.Value[uv];
@@ -80,6 +80,22 @@ namespace OpenRA.Mods.Common.Traits
lr.LineWidth = 1;
}
// Projected cell coordinates for the current cell
var projectedCorners = map.CellCorners[0];
lr.LineWidth = 3;
foreach (var puv in map.ProjectedCellsCovering(mouseCell))
{
var pos = map.CenterOfCell(((MPos)puv).ToCPos(map));
var screen = projectedCorners.Select(c => wr.ScreenPxPosition(pos + c - new WVec(0, 0, pos.Z)).ToFloat2()).ToArray();
for (var i = 0; i < 4; i++)
{
var j = (i + 1) % 4;
lr.DrawLine(screen[i], screen[j], Color.Navy);
}
}
lr.LineWidth = 1;
}
}
}