From: Mario <mario.mario@y7mail.com>
Date: Sun, 31 May 2020 12:37:49 +0000 (+1000)
Subject: Offset exact trigger testing by a single QU to account for the engine's default offse... 
X-Git-Tag: xonotic-v0.8.5~983
X-Git-Url: http://git.xonotic.org/?p=xonotic%2Fxonotic-data.pk3dir.git;a=commitdiff_plain;h=8b2d2647080d03fc3497efddfa4bf91f64f6d4e1

Offset exact trigger testing by a single QU to account for the engine's default offsetting, fixes #2455
---

diff --git a/qcsrc/lib/warpzone/common.qc b/qcsrc/lib/warpzone/common.qc
index 3bff39be1..120551b4e 100644
--- a/qcsrc/lib/warpzone/common.qc
+++ b/qcsrc/lib/warpzone/common.qc
@@ -786,7 +786,12 @@ entity WarpZone_RefSys_SpawnSameRefSys(entity me)
 
 bool WarpZoneLib_ExactTrigger_Touch(entity this, entity toucher)
 {
-	return !WarpZoneLib_BoxTouchesBrush(toucher.absmin, toucher.absmax, this, toucher);
+	vector emin = toucher.absmin, emax = toucher.absmax;
+	// the engine offsets absolute bounding boxes by a single quake unit
+	// we must undo that here to allow accurate touching
+	emin += '1 1 1';
+	emax -= '1 1 1';
+	return !WarpZoneLib_BoxTouchesBrush(emin, emax, this, toucher);
 }