From 9e101fc2bb8d86cbc0e8317368f1e21fd9fed42b Mon Sep 17 00:00:00 2001
From: fickleheart <fickle@tinted.red>
Date: Sun, 12 Jan 2020 09:10:09 -0600
Subject: [PATCH] Limit shadow Y scale to prevent graphical bugs
---
src/r_things.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/r_things.c b/src/r_things.c
index 0fc8060717..41fb103e31 100644
--- a/src/r_things.c
+++ b/src/r_things.c
@@ -1247,8 +1247,10 @@ static void R_ProjectDropShadow(mobj_t *thing, vissprite_t *vis, fixed_t scale,
patch = W_CachePatchName("DSHADOW", PU_CACHE);
xscale = FixedDiv(projection, tz);
yscale = FixedDiv(projectiony, tz);
- shadowxscale = FixedMul(thing->radius*2, scalemul) / patch->width;
- shadowyscale = FixedMul(FixedMul(thing->radius*2 / patch->height, scalemul), FixedDiv(abs(floorz - viewz), tz));
+ shadowxscale = FixedMul(thing->radius*2, scalemul);
+ shadowyscale = FixedMul(FixedMul(thing->radius*2, scalemul), FixedDiv(abs(floorz - viewz), tz));
+ shadowyscale = min(shadowyscale, shadowxscale) / patch->height;
+ shadowxscale /= patch->width;
shadowskew = 0;
if (floorslope)
--
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