From bdc9c59679cb984db329d800380bac05a382fdb3 Mon Sep 17 00:00:00 2001
From: Juhu <5894800-Juhu_@users.noreply.gitlab.com>
Date: Tue, 17 Jan 2023 17:47:03 +0100
Subject: [PATCH] Add patch from Juhu/strafehud-fixes branch: "strafehud: make
 slickdetector scan only downwards for slick, scan from steepest to least
 steep angle, slight refactor"

---
 qcsrc/client/hud/panel/strafehud.qc | 19 ++++++-------------
 1 file changed, 6 insertions(+), 13 deletions(-)

diff --git a/qcsrc/client/hud/panel/strafehud.qc b/qcsrc/client/hud/panel/strafehud.qc
index c452fe169..9418b3cd5 100644
--- a/qcsrc/client/hud/panel/strafehud.qc
+++ b/qcsrc/client/hud/panel/strafehud.qc
@@ -768,28 +768,21 @@ void HUD_StrafeHUD()
             // traceline into every direction
             trace_dphitq3surfaceflags = 0;
             vector traceorigin = strafeplayer.origin + eZ * strafeplayer.mins.z;
-            for(float i = 0; i < 360 && !slickdetected; i += slicksteps)
+            for(float i = 0; i < 90 && !slickdetected; i += slicksteps)
             {
                 vector slickoffset;
                 float slickrotate;
                 slickoffset.z = -cos(i * DEG2RAD) * autocvar_hud_panel_strafehud_slickdetector_range;
                 slickrotate = sin(i * DEG2RAD) * autocvar_hud_panel_strafehud_slickdetector_range;
-                if(i != 0 && i != 180)
-                {
-                    for(float j = 0; j < 180 && !slickdetected; j += slicksteps)
-                    {
-                        slickoffset.x = sin(j * DEG2RAD) * slickrotate;
-                        slickoffset.y = cos(j * DEG2RAD) * slickrotate;
 
-                        traceline(traceorigin, traceorigin + slickoffset, MOVE_NOMONSTERS, strafeplayer);
-                        if((PHYS_FRICTION(strafeplayer) == 0 && trace_fraction < 1) || trace_dphitq3surfaceflags & Q3SURFACEFLAG_SLICK) slickdetected = true;
-                    }
-                }
-                else
+                for(float j = 0; j < 360 && !slickdetected; j += slicksteps)
                 {
-                    slickoffset.x = slickoffset.y = 0;
+                    slickoffset.x = sin(j * DEG2RAD) * slickrotate;
+                    slickoffset.y = cos(j * DEG2RAD) * slickrotate;
+
                     traceline(traceorigin, traceorigin + slickoffset, MOVE_NOMONSTERS, strafeplayer);
                     if((PHYS_FRICTION(strafeplayer) == 0 && trace_fraction < 1) || trace_dphitq3surfaceflags & Q3SURFACEFLAG_SLICK) slickdetected = true;
+                    if(i == 0) break;
                 }
             }
 
-- 
2.39.2