Add a second DNCOORDS/cl_showcoords mode, showing some renderer settings.

Also, extend the documentation for r_usenewshading a little. Specifically,
note when the different modes were introduced. BUILD_LUNATIC.

git-svn-id: https://svn.eduke32.com/eduke32@4410 1a8010ca-5511-0410-912e-c29ae57300e0

polymer/eduke32/build/src/polymost.c

@@ -5158,7 +5158,12 @@ void polymost_initosdfuncs(void)
         { "r_texturemaxsize","changes the maximum OpenGL texture size limit",(void *) &gltexmaxsize, CVAR_INT | CVAR_NOSAVE, 0, 4096 },
         { "r_texturemiplevel","changes the highest OpenGL mipmap level used",(void *) &gltexmiplevel, CVAR_INT, 0, 6 },
         { "r_texturemode", "changes the texture filtering settings", (void *) &gltexfiltermode, CVAR_INT|CVAR_FUNCPTR, 0, 5 },
-        { "r_usenewshading", "visibility code: 0: Polymost, 2: Classic", (void *) &r_usenewshading, CVAR_INT, 0, 3 },
+
+        { "r_usenewshading",
+          "visibility/fog code: 0: orig. Polymost   1: 07/2011   2: linear 12/2012   3: no neg. start 03/2014",
+          (void *) &r_usenewshading, CVAR_INT, 0, 3
+        },
+
         { "r_usetileshades", "enable/disable Polymost tile shade textures", (void *) &r_usetileshades, CVAR_INT | CVAR_INVALIDATEART, 0, 2 },
         { "r_vbocount","sets the number of Vertex Buffer Objects to use when drawing models",(void *) &r_vbocount, CVAR_INT, 1, 256 },
         { "r_vbos"," enable/disable using Vertex Buffer Objects when drawing models",(void *) &r_vbos, CVAR_BOOL, 0, 1 },

polymer/eduke32/source/game.c

@@ -2494,6 +2494,11 @@ static struct {
 } g_spriteStat;
 #endif
 
+#define printcoordsline(fmt, ...) do { \
+    Bsprintf(tempbuf, fmt, ## __VA_ARGS__); \
+    printext256(20, y+=9, 31, -1, tempbuf, 0); \
+} while (0)
+
 static void G_PrintCoords(int32_t snum)
 {
     const int32_t x = 250;
@@ -2551,6 +2556,26 @@ static void G_PrintCoords(int32_t snum)
     printext256(x,y+72,31,-1,tempbuf,0);
     Bsprintf(tempbuf, "MOVEACTORS [ms]= %.3e", g_moveActorsTime);
     printext256(x,y+81,31,-1,tempbuf,0);
+
+#ifdef USE_OPENGL
+    if (ud.coords == 2)
+    {
+        y=16;
+
+        printcoordsline("rendmode = %d", getrendermode());
+        printcoordsline("r_ambientlight = %.03f", r_ambientlight);
+
+        if (rendmode >= 3)
+        {
+            if (rendmode==3)
+                printcoordsline("r_usenewshading = %d", r_usenewshading);
+            else
+                printcoordsline("r_pr_artmapping = %d", pr_artmapping);
+
+            printcoordsline("r_usetileshades = %d", r_usetileshades);
+        }
+    }
+#endif
 }
 
 
@@ -8322,7 +8347,11 @@ FOUNDCHEAT:
                     return;
 
                 case CHEAT_COORDS:
-                    ud.coords = 1-ud.coords;
+#ifdef USE_OPENGL
+                    if (++ud.coords >= 3) ud.coords = 0;
+#else
+                    if (++ud.coords >= 2) ud.coords = 0;
+#endif
                     end_cheat();
                     return;
 

polymer/eduke32/source/osdcmds.c

@@ -1477,7 +1477,13 @@ int32_t registerosdcommands(void)
 
         { "cl_runmode", "enable/disable modernized run key operation", (void *)&ud.runkey_mode, CVAR_BOOL, 0, 1 },
 
-        { "cl_showcoords", "show your position in the game world", (void *)&ud.coords, CVAR_BOOL, 0, 1 },
+        { "cl_showcoords", "show your position in the game world", (void *)&ud.coords, CVAR_INT, 0,
+#ifdef USE_OPENGL
+          2
+#else
+          1
+#endif
+        },
 
         { "cl_viewbob", "enable/disable player head bobbing", (void *)&ud.viewbob, CVAR_BOOL, 0, 1 },