diff --git a/source/exhumed/src/engine.h b/source/exhumed/src/engine.h
index 6702122a1..540fd495b 100644
--- a/source/exhumed/src/engine.h
+++ b/source/exhumed/src/engine.h
@@ -42,7 +42,6 @@ enum
 
 
 int movesprite(short spritenum, int dx, int dy, int dz, int ceildist, int flordist, unsigned int clipmask);
-void overwritesprite(int thex, int they, short tilenum, signed char shade, char stat, char dapalnum, int basepal = 0);
 void precache();
 void resettiming();
 
diff --git a/source/exhumed/src/enginesubs.cpp b/source/exhumed/src/enginesubs.cpp
index 8ce36dee5..2c138c3a1 100644
--- a/source/exhumed/src/enginesubs.cpp
+++ b/source/exhumed/src/enginesubs.cpp
@@ -27,33 +27,6 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 BEGIN_PS_NS
 
 
-void overwritesprite(int thex, int they, short tilenum, signed char shade, char stat, char dapalnum, int basepal)
-{
-    // no animation
-    uint8_t animbak = picanm[tilenum].sf;
-    picanm[tilenum].sf = 0;
-    int offx = 0, offy = 0;
-    if (stat & 1)
-    {
-        offx -= tilesiz[tilenum].x>>1;
-        if (stat & 8)
-            offx += tileLeftOffset(tilenum);
-        else
-            offx -= tileLeftOffset(tilenum);
-        offy -= (tilesiz[tilenum].y>>1)+tileTopOffset(tilenum);
-    }
-    if (stat&8)
-        offx += tilesiz[tilenum].x;
-    if (stat&16)
-        offy += tilesiz[tilenum].y;
-    thex += offx;
-    they += offy;
-    rotatesprite(thex << 16, they << 16, 65536L, (stat & 8) << 7, tilenum, shade, dapalnum,
-        16 + (stat & 2) + ((stat & 4) >> 2) + (((stat & 16) >> 2) ^ ((stat & 8) >> 1)),
-        windowxy1.x, windowxy1.y, windowxy2.x, windowxy2.y, nullptr, basepal);
-    picanm[tilenum].sf = animbak;
-}
-
 void resettiming()
 {
     numframes = 0L;
diff --git a/source/exhumed/src/sequence.cpp b/source/exhumed/src/sequence.cpp
index 5f53bb759..1aa0c04fb 100644
--- a/source/exhumed/src/sequence.cpp
+++ b/source/exhumed/src/sequence.cpp
@@ -16,6 +16,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
 //-------------------------------------------------------------------------
 #include "ns.h"
+#include "glbackend/glbackend.h"
 #include "sequence.h"
 #include "engine.h"
 #include "exhumed.h"
@@ -373,7 +374,7 @@ void seq_DrawPilotLightSeq(int xOffset, int yOffset)
             int x = ChunkXpos[nFrameBase] + (160 + xOffset);
             int y = ChunkYpos[nFrameBase] + (100 + yOffset);
 
-            rotatesprite(x << 16, y << 16, 0x10000, (-2 * fix16_to_int(nPlayerDAng)) & kAngleMask, nTile, -127, 1, 2, windowxy1.x, windowxy1.y, windowxy2.x, windowxy2.y);
+            hud_drawsprite(x, y, 65536, (-2 * fix16_to_int(nPlayerDAng)) & kAngleMask, nTile, 0, 0, 1);
             nFrameBase++;
         }
     }
@@ -388,10 +389,10 @@ void seq_DrawPilotLightSeq(int xOffset, int yOffset)
 
 int seq_DrawGunSequence(int nSeqOffset, short dx, int xOffs, int yOffs, int nShade, int nPal)
 {
-    short nFrame = SeqBase[nSeqOffset] + dx;
-    short nFrameBase = FrameBase[nFrame];
-    short nFrameSize = FrameSize[nFrame];
-    short frameFlag = FrameFlag[nFrame];
+    int nFrame = SeqBase[nSeqOffset] + dx;
+    int nFrameBase = FrameBase[nFrame];
+    int nFrameSize = FrameSize[nFrame];
+    int frameFlag = FrameFlag[nFrame];
 
     while (1)
     {
@@ -399,29 +400,27 @@ int seq_DrawGunSequence(int nSeqOffset, short dx, int xOffs, int yOffs, int nSha
         if (nFrameSize < 0)
             break;
 
-        uint8_t nStat = 3;
         int x = ChunkXpos[nFrameBase] + 160;
         int y = ChunkYpos[nFrameBase] + 100;
 
-        if (ChunkFlag[nFrameBase] & 1) {
-            nStat = 11;
-        }
+        int stat = 0;
+        if (ChunkFlag[nFrameBase] & 1)
+            stat |= RS_XFLIPHUD;
 
-        if (ChunkFlag[nFrameBase] & 2) {
-            nStat |= 0x10;
-        }
+        if (ChunkFlag[nFrameBase] & 2)
+            stat |= RS_YFLIPHUD;
 
         short nTile = ChunkPict[nFrameBase];
 
-        if (frameFlag & 4) {
+        if (frameFlag & 4)
             nShade = -100;
-        }
 
+        double alpha = 1;
         if (nPlayerInvisible[nLocalPlayer]) {
-            nStat |= 0x4;
+            alpha = 0.3;
         }
 
-        overwritesprite(x + xOffs, y + yOffs, nTile, nShade, nStat, nPal);
+        hud_drawsprite(x + xOffs, y + yOffs, 65536, 0, nTile, nShade, nPal, stat, alpha);
         nFrameBase++;
     }