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Upgrade Bullet bounce logic with target checking

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reaperrr
2017-01-12 16:16:35 +01:00
parent bf47affd2e
commit 2f0b1a16d0
1 changed files with 30 additions and 0 deletions
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30
OpenRA.Mods.Common/Projectiles/Bullet.cs
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@@ -70,6 +70,9 @@ namespace OpenRA.Mods.Common.Projectiles
[Desc("Modify distance of each bounce by this percentage of previous distance.")]
public readonly int BounceRangeModifier = 60;
[Desc("If projectile touches an actor with one of these stances during or after the first bounce, trigger explosion.")]
public readonly Stance ValidBounceBlockerStances = Stance.Enemy | Stance.Neutral;
[Desc("Interval in ticks between each spawned Trail animation.")]
public readonly int TrailInterval = 2;
@@ -210,6 +213,7 @@ namespace OpenRA.Mods.Common.Projectiles
if (flightLengthReached && shouldBounce)
{
shouldExplode |= AnyValidTargetsInRadius(world, pos, info.Width + info.TargetExtraSearchRadius, args.SourceActor, true);
target += (pos - source) * info.BounceRangeModifier / 100;
var dat = world.Map.DistanceAboveTerrain(target);
target += new WVec(0, 0, -dat.Length);
@@ -225,6 +229,10 @@ namespace OpenRA.Mods.Common.Projectiles
// Driving into cell with higher height level
shouldExplode |= world.Map.DistanceAboveTerrain(pos).Length < 0;
// After first bounce, check for targets each tick
if (remainingBounces < info.BounceCount)
shouldExplode |= AnyValidTargetsInRadius(world, pos, info.Width + info.TargetExtraSearchRadius, args.SourceActor, true);
if (shouldExplode)
Explode(world);
}
@@ -263,5 +271,27 @@ namespace OpenRA.Mods.Common.Projectiles
args.Weapon.Impact(Target.FromPos(pos), args.SourceActor, args.DamageModifiers);
}
bool AnyValidTargetsInRadius(World world, WPos pos, WDist radius, Actor firedBy, bool checkTargetType)
{
foreach (var victim in world.FindActorsInCircle(pos, radius))
{
if (checkTargetType && !Target.FromActor(victim).IsValidFor(firedBy))
continue;
if (!info.ValidBounceBlockerStances.HasStance(victim.Owner.Stances[firedBy.Owner]))
continue;
var healthInfo = victim.Info.TraitInfoOrDefault<HealthInfo>();
if (healthInfo == null)
continue;
// If the impact position is within any actor's HitShape, we have a direct hit
if (healthInfo.Shape.DistanceFromEdge(pos, victim).Length <= 0)
return true;
}
return false;
}
}
}