From 77e873b476b1d984fd3039fdfce0702f0938301a Mon Sep 17 00:00:00 2001
From: plagman <plagman@1a8010ca-5511-0410-912e-c29ae57300e0>
Date: Sun, 10 May 2009 17:51:00 +0000
Subject: [PATCH] Adds pitch/roll script rotation for mdsprites (bug 2783065).

git-svn-id: https://svn.eduke32.com/eduke32@1375 1a8010ca-5511-0410-912e-c29ae57300e0
---
 polymer/eduke32/build/src/polymer.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/polymer/eduke32/build/src/polymer.c b/polymer/eduke32/build/src/polymer.c
index c52a360a6..4bc68e744 100644
--- a/polymer/eduke32/build/src/polymer.c
+++ b/polymer/eduke32/build/src/polymer.c
@@ -3028,7 +3028,28 @@ static void         polymer_drawmdsprite(spritetype *tspr)
     bglScalef(scale * tspr->xrepeat, scale * tspr->xrepeat, scale * tspr->yrepeat);
     bglTranslatef(0.0f, 0.0, m->zadd * 64);
 
+    // scripted model rotation
+    if (spriteext[tspr->owner].pitch || spriteext[tspr->owner].roll)
+    {
+        float       pitchang, rollang, offsets[3];
+
+        pitchang = (float)(spriteext[tspr->owner].pitch) / (2048.0f / 360.0f);
+        rollang = (float)(spriteext[tspr->owner].roll) / (2048.0f / 360.0f);
+
+        offsets[0] = spriteext[tspr->owner].xoff / (scale * tspr->xrepeat);
+        offsets[1] = spriteext[tspr->owner].yoff / (scale * tspr->xrepeat);
+        offsets[2] = (float)(spriteext[tspr->owner].zoff) / 16.0f / (scale * tspr->yrepeat);
+
+        bglTranslatef(-offsets[0], -offsets[1], -offsets[2]);
+
+        bglRotatef(pitchang, 0.0f, 1.0f, 0.0f);
+        bglRotatef(rollang, -1.0f, 0.0f, 0.0f);
+
+        bglTranslatef(offsets[0], offsets[1], offsets[2]);
+    }
+
     bglGetFloatv(GL_MODELVIEW_MATRIX, spritemodelview);
+
     bglPopMatrix();
     bglPushMatrix();
     bglMultMatrixf(spritemodelview);