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Make Target fields readonly.

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This commit is contained in:
Paul Chote
2019-01-13 15:05:50 +00:00
parent c627a59b54
commit fbb1947624
1 changed files with 53 additions and 27 deletions
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80
OpenRA.Game/Traits/Target.cs
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@@ -19,42 +19,68 @@ namespace OpenRA.Traits
public struct Target
{
public static readonly Target[] None = { };
public static readonly Target Invalid = new Target { type = TargetType.Invalid };
public static readonly Target Invalid = new Target();
TargetType type;
Actor actor;
FrozenActor frozen;
WPos pos;
CPos? cell;
SubCell? subCell;
int generation;
readonly TargetType type;
readonly Actor actor;
readonly FrozenActor frozen;
readonly WPos pos;
readonly CPos? cell;
readonly SubCell? subCell;
readonly int generation;
public static Target FromPos(WPos p) { return new Target { pos = p, type = TargetType.Terrain }; }
public static Target FromCell(World w, CPos c, SubCell subCell = SubCell.FullCell)
Target(WPos pos)
{
return new Target
{
pos = w.Map.CenterOfSubCell(c, subCell),
cell = c,
subCell = subCell,
type = TargetType.Terrain
};
type = TargetType.Terrain;
this.pos = pos;
actor = null;
frozen = null;
cell = null;
subCell = null;
generation = 0;
}
public static Target FromActor(Actor a)
Target(World w, CPos c, SubCell subCell)
{
if (a == null)
return Invalid;
type = TargetType.Terrain;
pos = w.Map.CenterOfSubCell(c, subCell);
cell = c;
this.subCell = subCell;
return new Target
{
actor = a,
type = TargetType.Actor,
generation = a.Generation,
};
actor = null;
frozen = null;
generation = 0;
}
public static Target FromFrozenActor(FrozenActor a) { return new Target { frozen = a, type = TargetType.FrozenActor }; }
Target(Actor a)
{
type = TargetType.Actor;
actor = a;
generation = a.Generation;
pos = WPos.Zero;
frozen = null;
cell = null;
subCell = null;
}
Target(FrozenActor fa)
{
type = TargetType.FrozenActor;
frozen = fa;
pos = WPos.Zero;
actor = null;
cell = null;
subCell = null;
generation = 0;
}
public static Target FromPos(WPos p) { return new Target(p); }
public static Target FromCell(World w, CPos c, SubCell subCell = SubCell.FullCell) { return new Target(w, c, subCell); }
public static Target FromActor(Actor a) { return a != null ? new Target(a) : Invalid; }
public static Target FromFrozenActor(FrozenActor fa) { return new Target(fa); }
public Actor Actor { get { return actor; } }
public FrozenActor FrozenActor { get { return frozen; } }