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Fix marker placement when cursor is over a unit or game object

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UpdateHitTest returns hit type 2 (object) when the cursor is over a
unit/game object, with the intersection point landing at the camera
position rather than the object. Detect object hits via the hit type
field and resolve the object's actual world position from its GUID
stored in the HitTestResult.
This commit is contained in:
MarcelineVQ
2026-03-07 09:03:32 -08:00
parent e1aa765d33
commit 0e6d479667
2 changed files with 29 additions and 12 deletions
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src/markers/offsets.zig
+3 -6
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@@ -78,15 +78,12 @@ pub const FN_DECREMENT_REFCOUNT: usize = 0x007103a0;
pub const PTR_WORLD_FRAME: usize = 0x00B4B2BC;
/// UpdateHitTest - __fastcall(ECX=worldFrame), no stack params.
/// Raycasts from camera through mouse cursor, stores result at worldFrame+0x350:
/// +0x350: hit type (0=none, 1=terrain, 2=object)
/// +0x360: terrain intersection X (f32)
/// +0x364: terrain intersection Y (f32)
/// +0x368: terrain intersection Z (f32)
/// Raycasts from camera through mouse cursor, stores result at worldFrame+0x350.
pub const FN_UPDATE_HIT_TEST: usize = 0x00481F00;
/// Offsets from worldFrame base to HitTestResult fields.
pub const WF_HIT_TYPE: usize = 0x350;
pub const WF_HIT_TYPE: usize = 0x350; // 0=terrain, 1=ground-target, 2=object
pub const WF_HIT_GUID: usize = 0x358; // u64 object GUID (0 for terrain)
pub const WF_HIT_TERRAIN_X: usize = 0x360;
pub const WF_HIT_TERRAIN_Y: usize = 0x364;
pub const WF_HIT_TERRAIN_Z: usize = 0x368;