From 26ca7e7fc04eb6f15bf70b74a63d3c5990f0ddc5 Mon Sep 17 00:00:00 2001
From: terminx <terminx@1a8010ca-5511-0410-912e-c29ae57300e0>
Date: Fri, 24 Apr 2009 04:02:39 +0000
Subject: [PATCH] Sprite cstat 16384: invisible w/ shadows this also adds
 shadows for the player when in first person

git-svn-id: https://svn.eduke32.com/eduke32@1343 1a8010ca-5511-0410-912e-c29ae57300e0
---
 polymer/eduke32/build/src/polymer.c |  4 ++++
 polymer/eduke32/source/game.c       | 30 +++++++++++++++++++++++++----
 2 files changed, 30 insertions(+), 4 deletions(-)

diff --git a/polymer/eduke32/build/src/polymer.c b/polymer/eduke32/build/src/polymer.c
index 6548375ce..7fe96c29e 100644
--- a/polymer/eduke32/build/src/polymer.c
+++ b/polymer/eduke32/build/src/polymer.c
@@ -1000,6 +1000,8 @@ void                polymer_drawsprite(int32_t snum)
 
     spriteplane.material.diffusemodulation[3] *=  (1.0f - spriteext[tspr->owner].alpha);
 
+    if (tspr->cstat & 16384) spriteplane.material.diffusemodulation[3] = 0.0f;
+
     if (((tspr->cstat>>4) & 3) == 0)
         xratio = (float)(tspr->xrepeat) * 0.20f; // 32 / 160
     else
@@ -3031,6 +3033,8 @@ static void         polymer_drawmdsprite(spritetype *tspr)
 
     color[3] *=  (1.0f - spriteext[tspr->owner].alpha);
 
+    if (tspr->cstat & 16384) color[3] = 0.0f;
+
     if (pr_gpusmoothing)
         mdspritematerial.frameprogress = m->interpol;
 
diff --git a/polymer/eduke32/source/game.c b/polymer/eduke32/source/game.c
index 528c50384..35f675e3a 100644
--- a/polymer/eduke32/source/game.c
+++ b/polymer/eduke32/source/game.c
@@ -7163,11 +7163,33 @@ void G_DoSpriteAnimations(int32_t x,int32_t y,int32_t a,int32_t smoothratio)
                 if (s->owner >= 0 && display_mirror == 0 && g_player[p].ps->over_shoulder_on == 0)
                     if (ud.multimode < 2 || (ud.multimode > 1 && p == screenpeek))
                     {
-                        t->owner = -1;
-                        t->xrepeat = t->yrepeat = 0;
-                        continue;
-                    }
+//                         t->owner = -1;
+//                         t->xrepeat = t->yrepeat = 0;
+                        t->cstat |= 16384;
+#if defined(POLYMOST) && defined(USE_OPENGL)
+                        if (getrendermode() >= 3 && usemodels && md_tilehasmodel(s->picnum,t->pal) >= 0 && !(spriteext[i].flags&SPREXT_NOTMD))
+                        {
+                            k = 0;
+                            t->cstat &= ~4;
+                        }
+                        else
+#endif
+                        {
+                            k = (((s->ang+3072+128-a)&2047)>>8)&7;
+                            if (k>4)
+                            {
+                                k = 8-k;
+                                t->cstat |= 4;
+                            }
+                            else t->cstat &= ~4;
+                        }
 
+                        if (sector[t->sectnum].lotag == 2) k += 1795-1405;
+                        else if ((ActorExtra[i].floorz-s->z) > (64<<8)) k += 60;
+
+                        t->picnum += k;
+                        t->pal = g_player[p].ps->palookup;
+                    }
 PALONLY:
 
             if (sector[sect].floorpal && sector[sect].floorpal < g_numRealPalettes && !A_CheckSpriteFlags(t->owner,SPRITE_NOPAL))