From b9cec43e2c922c2d7c4d975265be580703ea3711 Mon Sep 17 00:00:00 2001
From: Valery Klachkov <zgdump@gmail.com>
Date: Sun, 16 Jan 2022 04:57:12 +0300
Subject: [PATCH] ref_soft: Fix crashes on 64bit

Just replace all long for unsigned long long :)
---
 ref_soft/r_edge.c |  2 +-
 ref_soft/r_main.c | 18 +++++++++---------
 ref_soft/r_rast.c | 10 +++++-----
 ref_soft/r_scan.c |  2 +-
 4 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/ref_soft/r_edge.c b/ref_soft/r_edge.c
index 2a09ffb8..e65797d5 100644
--- a/ref_soft/r_edge.c
+++ b/ref_soft/r_edge.c
@@ -651,7 +651,7 @@ void R_ScanEdges (void)
 	surf_t	*s;
 
 	basespan_p = (espan_t *)
-			((long)(basespans + CACHE_SIZE - 1) & ~(CACHE_SIZE - 1));
+			((unsigned long long)(basespans + CACHE_SIZE - 1) & ~(CACHE_SIZE - 1));
 	max_span_p = &basespan_p[MAXSPANS - RI.vrect.width];
 
 	span_p = basespan_p;
diff --git a/ref_soft/r_main.c b/ref_soft/r_main.c
index 96a1d160..77b4e792 100644
--- a/ref_soft/r_main.c
+++ b/ref_soft/r_main.c
@@ -1260,13 +1260,12 @@ void R_DrawBrushModel(cl_entity_t *pent)
 	else
 	{
 		r_edges =  (edge_t *)
-				(((long)&ledges[0] + CACHE_SIZE - 1) & ~(CACHE_SIZE - 1));
+				(((unsigned long long)&ledges[0] + CACHE_SIZE - 1) & ~(CACHE_SIZE - 1));
 	}
 
 	if (r_surfsonstack)
 	{
-		surfaces =  (surf_t *)
-				(((long)&lsurfs[0] + CACHE_SIZE - 1) & ~(CACHE_SIZE - 1));
+		surfaces = (surf_t *)(((unsigned long long)&lsurfs[0] + CACHE_SIZE - 1) & ~(CACHE_SIZE - 1));
 		surf_max = &surfaces[r_cnumsurfs];
 	// surface 0 doesn't really exist; it's just a dummy because index 0
 	// is used to indicate no edge attached to surface
@@ -1414,17 +1413,18 @@ void R_EdgeDrawing (void)
 	else
 	{
 		r_edges =  (edge_t *)
-				(((long)&ledges[0] + CACHE_SIZE - 1) & ~(CACHE_SIZE - 1));
+				(((unsigned long long)&ledges[0] + CACHE_SIZE - 1) & ~(CACHE_SIZE - 1));
 	}
 
 	if (r_surfsonstack)
 	{
-		surfaces =  (surf_t *)
-				(((long)&lsurfs[0] + CACHE_SIZE - 1) & ~(CACHE_SIZE - 1));
+		surfaces =  (surf_t *)(((unsigned long long)&lsurfs + CACHE_SIZE - 1) & ~(CACHE_SIZE - 1));
 		surf_max = &surfaces[r_cnumsurfs];
-	// surface 0 doesn't really exist; it's just a dummy because index 0
-	// is used to indicate no edge attached to surface
-		memset(&surfaces[0], 0, sizeof(surf_t));
+		
+		// surface 0 doesn't really exist; it's just a dummy because index 0
+		// is used to indicate no edge attached to surface
+
+		memset(surfaces, 0, sizeof(surf_t));
 		surfaces--;
 		R_SurfacePatch ();
 	}
diff --git a/ref_soft/r_rast.c b/ref_soft/r_rast.c
index 70993daa..193ccb41 100644
--- a/ref_soft/r_rast.c
+++ b/ref_soft/r_rast.c
@@ -521,7 +521,7 @@ void R_EmitCachedEdge (void)
 {
 	edge_t		*pedge_t;
 
-	pedge_t = (edge_t *)((unsigned long)r_edges + r_pedge->cachededgeoffset);
+	pedge_t = (edge_t *)((unsigned long long)r_edges + r_pedge->cachededgeoffset);
 
 	if (!pedge_t->surfs[0])
 		pedge_t->surfs[0] = surface_p - surfaces;
@@ -624,9 +624,9 @@ void R_RenderFace (msurface_t *fa, int clipflags)
 				}
 				else
 				{
-					if ((((unsigned long)edge_p - (unsigned long)r_edges) >
+					if ((((unsigned long long)edge_p - (unsigned long long)r_edges) >
 						 r_pedge->cachededgeoffset) &&
-						(((edge_t *)((unsigned long)r_edges +
+						(((edge_t *)((unsigned long long)r_edges +
 						 r_pedge->cachededgeoffset))->owner == r_pedge))
 					{
 						R_EmitCachedEdge ();
@@ -670,9 +670,9 @@ void R_RenderFace (msurface_t *fa, int clipflags)
 				{
 				// it's cached if the cached edge is valid and is owned
 				// by this medge_t
-					if ((((unsigned long)edge_p - (unsigned long)r_edges) >
+					if ((((unsigned long long)edge_p - (unsigned long long)r_edges) >
 						 r_pedge->cachededgeoffset) &&
-						(((edge_t *)((unsigned long)r_edges +
+						(((edge_t *)((unsigned long long)r_edges +
 						 r_pedge->cachededgeoffset))->owner == r_pedge))
 					{
 						R_EmitCachedEdge ();
diff --git a/ref_soft/r_scan.c b/ref_soft/r_scan.c
index d096e4b7..2e3c9176 100644
--- a/ref_soft/r_scan.c
+++ b/ref_soft/r_scan.c
@@ -1390,7 +1390,7 @@ void D_DrawZSpans (espan_t *pspan)
 	// we count on FP exceptions being turned off to avoid range problems
 		izi = (int)(zi * 0x8000 * 0x10000);
 
-		if ((long)pdest & 0x02)
+		if ((unsigned long long)pdest & 0x02)
 		{
 			*pdest++ = (short)(izi >> 16);
 			izi += izistep;