fix lod group comparing for pos/neg zeroes

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@8621 d7cf8633-e32d-0410-b094-e92efae38249

diff --git a/model_brush.c b/model_brush.c
index 69d66f57fb8bbbc647667416d6962b08d893ef43..92c9f154ea04502cc37d6308ce63b4830601cc1a 100644 (file)
--- a/model_brush.c
+++ b/model_brush.c
@@ -4696,6 +4696,16 @@ typedef struct patchtess_s
 }
 patchtess_t;
 
+#define PATCHTESS_SAME_LODGROUP(a,b) \
+       ( \
+               (a).lodgroup[0] == (b).lodgroup[0] && \
+               (a).lodgroup[1] == (b).lodgroup[1] && \
+               (a).lodgroup[2] == (b).lodgroup[2] && \
+               (a).lodgroup[3] == (b).lodgroup[3] && \
+               (a).lodgroup[4] == (b).lodgroup[4] && \
+               (a).lodgroup[5] == (b).lodgroup[5] \
+       )
+
 static void Mod_Q3BSP_LoadFaces(lump_t *l)
 {
        q3dface_t *in, *oldin;
@@ -4885,7 +4895,7 @@ static void Mod_Q3BSP_LoadFaces(lump_t *l)
                {
                        if(patchtess[j].grouped) // already grouped
                                continue;
-                       if(memcmp(patchtess[i].lodgroup, patchtess[j].lodgroup, sizeof(patchtess[i].lodgroup)))
+                       if(!PATCHTESS_SAME_LODGROUP(patchtess[i], patchtess[j]))
                                continue;
                        if(patchtess[j].xtess > xtess)
                                xtess = patchtess[j].xtess;
@@ -4914,7 +4924,7 @@ static void Mod_Q3BSP_LoadFaces(lump_t *l)
                        {
                                if(patchtess[j].grouped) // already grouped
                                        continue;
-                               if(memcmp(patchtess[i].lodgroup, patchtess[j].lodgroup, sizeof(patchtess[i].lodgroup)))
+                               if(!PATCHTESS_SAME_LODGROUP(patchtess[i], patchtess[j]))
                                        continue;
 
                                finalwidth = (patchtess[j].xsize - 1) * xtess + 1;
@@ -4948,7 +4958,7 @@ static void Mod_Q3BSP_LoadFaces(lump_t *l)
                        {
                                if(patchtess[j].grouped) // already grouped
                                        continue;
-                               if(memcmp(patchtess[i].lodgroup, patchtess[j].lodgroup, sizeof(patchtess[i].lodgroup)))
+                               if(!PATCHTESS_SAME_LODGROUP(patchtess[i], patchtess[j]))
                                        continue;
 
                                finalwidth = (patchtess[j].xsize - 1) * cxtess + 1;
@@ -4976,7 +4986,7 @@ static void Mod_Q3BSP_LoadFaces(lump_t *l)
                {
                        if(patchtess[j].grouped) // already grouped
                                continue;
-                       if(memcmp(patchtess[i].lodgroup, patchtess[j].lodgroup, sizeof(patchtess[i].lodgroup)))
+                       if(!PATCHTESS_SAME_LODGROUP(patchtess[i], patchtess[j]))
                                continue;
 
                        finalwidth = (patchtess[j].xsize - 1) * xtess + 1;