From 7dd7cccd79fbeaf82936b3553d66b90d0f89cfde Mon Sep 17 00:00:00 2001
From: Eidolon <furyhunter600@gmail.com>
Date: Mon, 25 Apr 2022 17:11:39 -0500
Subject: [PATCH] Use interp tracer pos for GL linkdraw
---
src/hardware/hw_main.c | 15 +++++++++++++--
1 file changed, 13 insertions(+), 2 deletions(-)
diff --git a/src/hardware/hw_main.c b/src/hardware/hw_main.c
index cafa9ff50e..4944ff5a8a 100644
--- a/src/hardware/hw_main.c
+++ b/src/hardware/hw_main.c
@@ -5378,13 +5378,24 @@ static void HWR_ProjectSprite(mobj_t *thing)
if ((thing->flags2 & MF2_LINKDRAW) && thing->tracer)
{
+ interpmobjstate_t tracer_interp = {};
+
if (! R_ThingVisible(thing->tracer))
return;
+ if (R_UsingFrameInterpolation() && !paused)
+ {
+ R_InterpolateMobjState(thing->tracer, rendertimefrac, &tracer_interp);
+ }
+ else
+ {
+ R_InterpolateMobjState(thing->tracer, FRACUNIT, &tracer_interp);
+ }
+
// calculate tz for tracer, same way it is calculated for this sprite
// transform the origin point
- tr_x = FIXED_TO_FLOAT(thing->tracer->x) - gl_viewx;
- tr_y = FIXED_TO_FLOAT(thing->tracer->y) - gl_viewy;
+ tr_x = FIXED_TO_FLOAT(tracer_interp.x) - gl_viewx;
+ tr_y = FIXED_TO_FLOAT(tracer_interp.y) - gl_viewy;
// rotation around vertical axis
tracertz = (tr_x * gl_viewcos) + (tr_y * gl_viewsin);
--
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