From 67cd6dcdd2479fcf4b58a4299cc17a57b9102304 Mon Sep 17 00:00:00 2001
From: Azeonus <azeonus@gmail.com>
Date: Tue, 18 Dec 2018 16:37:01 -0500
Subject: [PATCH] dispoffset OGL fix [by Azeonus]
---
src/hardware/hw_main.c | 24 ++++++++++++++++++++++--
1 file changed, 22 insertions(+), 2 deletions(-)
diff --git a/src/hardware/hw_main.c b/src/hardware/hw_main.c
index fb5e2a7163..d7ab4f39e2 100644
--- a/src/hardware/hw_main.c
+++ b/src/hardware/hw_main.c
@@ -4333,7 +4333,17 @@ static void HWR_SplitSprite(gr_vissprite_t *spr)
wallVerts[3].tow = wallVerts[2].tow = 0;
wallVerts[0].tow = wallVerts[1].tow = gpatch->max_t;
}
-
+
+ // if it has a dispoffset, push it a little towards the camera
+ if (spr->dispoffset) {
+ float co = -gr_viewcos*(0.05*spr->dispoffset);
+ float si = -gr_viewsin*(0.05*spr->dispoffset);
+ wallVerts[0].z = wallVerts[3].z = wallVerts[0].z+si;
+ wallVerts[1].z = wallVerts[2].z = wallVerts[1].z+si;
+ wallVerts[0].x = wallVerts[3].x = wallVerts[0].x+co;
+ wallVerts[1].x = wallVerts[2].x = wallVerts[1].x+co;
+ }
+
realtop = top = wallVerts[3].y;
realbot = bot = wallVerts[0].y;
towtop = wallVerts[3].tow;
@@ -4634,7 +4644,17 @@ static void HWR_DrawSprite(gr_vissprite_t *spr)
////////////////////
HWR_DrawSpriteShadow(spr, gpatch, this_scale);
}
-
+
+ // if it has a dispoffset, push it a little towards the camera
+ if (spr->dispoffset) {
+ float co = -gr_viewcos*(0.05*spr->dispoffset);
+ float si = -gr_viewsin*(0.05*spr->dispoffset);
+ wallVerts[0].z = wallVerts[3].z = wallVerts[0].z+si;
+ wallVerts[1].z = wallVerts[2].z = wallVerts[1].z+si;
+ wallVerts[0].x = wallVerts[3].x = wallVerts[0].x+co;
+ wallVerts[1].x = wallVerts[2].x = wallVerts[1].x+co;
+ }
+
// This needs to be AFTER the shadows so that the regular sprites aren't drawn completely black.
// sprite lighting by modulating the RGB components
/// \todo coloured
--
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