acdream/tests/AcDream.Core.Tests/Physics/MissileCollisionRulesTests.cs
Erik f02b995e4f feat(physics): port retail projectile integration
Add a pure Core projectile driver for retail clock quanta, final-state acceleration, 50-unit velocity clamping, world-space angular integration, full-3D AlignPath, and oriented Setup-local sphere sweeps. Preserve exact success versus set_frame-only failure semantics, independent Contact/OnWalkable state, and full-cell identity across all landblock directions.

Port OBJECTINFO::missile_ignore with explicit weenie/creature metadata, remove the invented transition-step cap, retain PathClipped without arming PerfectClip, and keep authoritative target identity optional. Add malformed-shape/clock, thin-wall, terrain, target-exclusion, frame-spike, failure-state, and boundary conformance coverage.

Retire TS-2 and synchronize the architecture, milestones, roadmap, research oracle, and durable physics memory.

Co-Authored-By: Codex <noreply@openai.com>
2026-07-14 11:43:11 +02:00

94 lines
2.6 KiB
C#

using AcDream.Core.Physics;
using Xunit;
namespace AcDream.Core.Tests.Physics;
/// <summary>
/// Conformance table for retail <c>OBJECTINFO::missile_ignore</c>
/// (<c>0x0050CEB0</c>). These tests deliberately separate "has a weenie"
/// from "is a creature" because the retail branches do.
/// </summary>
public sealed class MissileCollisionRulesTests
{
private const uint Target = 0x1111u;
private const uint Other = 0x2222u;
private static ObjectInfo Missile(uint targetId = 0) => new()
{
MoverPhysicsState = PhysicsStateFlags.Missile,
TargetId = targetId,
};
[Fact]
public void OtherMissile_IsAlwaysIgnored_EvenWhenDesignated()
{
var mover = Missile(Target);
Assert.True(mover.MissileIgnore(
Target,
(uint)PhysicsStateFlags.Missile,
EntityCollisionFlags.HasWeenie));
}
[Fact]
public void NonMissileMover_DoesNotUseMissileExemptions()
{
var mover = new ObjectInfo();
Assert.False(mover.MissileIgnore(
Other,
(uint)PhysicsStateFlags.Ethereal,
EntityCollisionFlags.HasWeenie | EntityCollisionFlags.IsCreature));
}
[Fact]
public void DesignatedTarget_IsNeverIgnoredByLaterBranches()
{
var mover = Missile(Target);
Assert.False(mover.MissileIgnore(
Target,
(uint)PhysicsStateFlags.Ethereal,
EntityCollisionFlags.HasWeenie | EntityCollisionFlags.IsCreature));
}
[Theory]
[InlineData(true, true)]
[InlineData(false, false)]
public void EtherealTarget_RequiresWeenieMetadata(bool hasWeenie, bool ignored)
{
var flags = hasWeenie
? EntityCollisionFlags.HasWeenie
: EntityCollisionFlags.None;
Assert.Equal(ignored, Missile().MissileIgnore(
Other,
(uint)PhysicsStateFlags.Ethereal,
flags));
}
[Fact]
public void KnownTarget_IgnoresOtherCreatures()
{
var mover = Missile(Target);
Assert.True(mover.MissileIgnore(
Other,
0u,
EntityCollisionFlags.HasWeenie | EntityCollisionFlags.IsCreature));
}
[Fact]
public void UnknownTarget_DoesNotIgnoreCreatures()
{
Assert.False(Missile().MissileIgnore(
Other,
0u,
EntityCollisionFlags.HasWeenie | EntityCollisionFlags.IsCreature));
}
[Fact]
public void KnownTarget_DoesNotIgnoreNonCreatureWeenie()
{
Assert.False(Missile(Target).MissileIgnore(
Other,
0u,
EntityCollisionFlags.HasWeenie));
}
}