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Fix crash in RallyPointIndicator.

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This commit is contained in:
tovl
2019-12-14 17:21:08 +01:00
committed by Paul Chote
parent 308c64c7b1
commit 0e32cbee5e
1 changed files with 32 additions and 22 deletions
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54
OpenRA.Mods.Common/Effects/RallyPointIndicator.cs
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@@ -42,6 +42,8 @@ namespace OpenRA.Mods.Common.Effects
circles = new Animation(building.World, rp.Info.Image);
circles.Play(rp.Info.CirclesSequence);
}
UpdateTargetLineNodes(building.World);
}
void IEffect.Tick(World world)
@@ -54,27 +56,7 @@ namespace OpenRA.Mods.Common.Effects
if (cachedLocations == null || !cachedLocations.SequenceEqual(rp.Path))
{
cachedLocations = new List<CPos>(rp.Path);
targetLineNodes.Clear();
foreach (var c in cachedLocations)
targetLineNodes.Add(world.Map.CenterOfCell(c));
var exitPos = building.CenterPosition;
// Find closest exit
var dist = int.MaxValue;
foreach (var exit in exits)
{
var ep = building.CenterPosition + exit.SpawnOffset;
var len = (targetLineNodes[0] - ep).Length;
if (len < dist)
{
dist = len;
exitPos = ep;
}
}
targetLineNodes.Insert(0, exitPos);
UpdateTargetLineNodes(world);
if (circles != null)
circles.Play(rp.Info.CirclesSequence);
@@ -84,6 +66,31 @@ namespace OpenRA.Mods.Common.Effects
world.AddFrameEndTask(w => w.Remove(this));
}
void UpdateTargetLineNodes(World world)
{
cachedLocations = new List<CPos>(rp.Path);
targetLineNodes.Clear();
foreach (var c in cachedLocations)
targetLineNodes.Add(world.Map.CenterOfCell(c));
var exitPos = building.CenterPosition;
// Find closest exit
var dist = int.MaxValue;
foreach (var exit in exits)
{
var ep = building.CenterPosition + exit.SpawnOffset;
var len = (targetLineNodes[0] - ep).Length;
if (len < dist)
{
dist = len;
exitPos = ep;
}
}
targetLineNodes.Insert(0, exitPos);
}
IEnumerable<IRenderable> IEffect.Render(WorldRenderer wr) { return SpriteRenderable.None; }
IEnumerable<IRenderable> IEffectAboveShroud.RenderAboveShroud(WorldRenderer wr)
@@ -95,7 +102,7 @@ namespace OpenRA.Mods.Common.Effects
return SpriteRenderable.None;
var renderables = SpriteRenderable.None;
if (circles != null || flag != null)
if (targetLineNodes.Count > 0 && (circles != null || flag != null))
{
var palette = wr.Palette(rp.PaletteName);
if (circles != null)
@@ -119,6 +126,9 @@ namespace OpenRA.Mods.Common.Effects
if (!building.World.Selection.Contains(building))
return SpriteRenderable.None;
if (targetLineNodes.Count == 0)
return SpriteRenderable.None;
return RenderInner(wr);
}