Added "Random" to the level selection list, for those days when you know you *want* to race but don't have any idea what to do.

src/command.c

@@ -1482,14 +1482,12 @@ void CV_AddValue(consvar_t *var, INT32 increment)
 				{
 					if(increment > 0) // Going up!
 					{
-						newvalue++;
+						if (++newvalue == NUMMAPS)
-						if (newvalue == NUMMAPS)
+							newvalue = -1;
-							newvalue = 0;
 					}
 					else // Going down!
 					{
-						newvalue--;
+						if (--newvalue == -2)
-						if (newvalue == -1)
 							newvalue = NUMMAPS-1;
 					}
 

src/g_game.c

@@ -765,9 +765,20 @@ const char *G_BuildMapName(INT32 map)
 {
 	static char mapname[10] = "MAPXX"; // internal map name (wad resource name)
 
-	I_Assert(map > 0);
+	I_Assert(map >= 0);
 	I_Assert(map <= NUMMAPS);
 
+	if (map == 0) // hack???
+	{
+		if (gamestate == GS_TITLESCREEN)
+			map = -1;
+		else if (gamestate == GS_LEVEL)
+			map = gamemap;
+		else
+			map = prevmap;
+		map = G_RandMap(G_TOLFlag(cv_newgametype.value), map, false, false, 0, false);
+	}
+
 	if (map < 100)
 		sprintf(&mapname[3], "%.2d", map);
 	else
@@ -4260,6 +4271,9 @@ char *G_BuildMapTitle(INT32 mapnum)
 {
 	char *title = NULL;
 
+	if (mapnum == 0)
+		return Z_StrDup("Random");
+
 	if (strcmp(mapheaderinfo[mapnum-1]->lvlttl, ""))
 	{
 		size_t len = 1;

src/m_menu.c

@@ -383,7 +383,7 @@ static void Dummystaff_OnChange(void);
 // ==========================================================================
 
 static CV_PossibleValue_t map_cons_t[] = {
-	{1,"MIN"},
+	{0,"MIN"},
 	{NUMMAPS, "MAX"},
 	{0, NULL}
 };
@@ -2147,7 +2147,7 @@ static void Dummystaff_OnChange(void)
 // Newgametype.  Used for gametype changes.
 static void Newgametype_OnChange(void)
 {
-	if (menuactive)
+	if (cv_nextmap.value && menuactive)
 	{
 		if (!mapheaderinfo[cv_nextmap.value-1])
 			P_AllocMapHeader((INT16)(cv_nextmap.value-1));
@@ -3852,6 +3852,10 @@ static void M_PrepareLevelSelect(void)
 //
 boolean M_CanShowLevelInList(INT32 mapnum, INT32 gt)
 {
+	// Random map!
+	if (mapnum == -1)
+		return (gamestate != GS_TIMEATTACK && !modeattacking);
+
 	// Does the map exist?
 	if (!mapheaderinfo[mapnum])
 		return false;
@@ -5874,11 +5878,16 @@ static void M_TimeAttack(INT32 choice)
 
 	M_PrepareLevelSelect();
 	M_SetupNextMenu(&SP_TimeAttackDef);
+
+	G_SetGamestate(GS_TIMEATTACK);
+
+	if (cv_nextmap.value)
 		Nextmap_OnChange();
+	else
+		CV_AddValue(&cv_nextmap, 1);
 
 	itemOn = tastart; // "Start" is selected.
 
-	G_SetGamestate(GS_TIMEATTACK);
 	S_ChangeMusicInternal("racent", true);
 }
 
@@ -6689,7 +6698,10 @@ static INT32 M_FindFirstMap(INT32 gtype)
 
 	for (i = 0; i < NUMMAPS; i++)
 	{
-		if (mapheaderinfo[i] && (mapheaderinfo[i]->typeoflevel & gtype))
+		if (!mapheaderinfo[i])
+			continue;
+		if (!(mapheaderinfo[i]->typeoflevel & gtype))
+			continue;
 		return i + 1;
 	}
 
@@ -6722,6 +6734,9 @@ static void M_StartServer(INT32 choice)
 	if (metalrecording)
 		G_StopMetalDemo();
 
+	if (!cv_nextmap.value)
+		CV_SetValue(&cv_nextmap, G_RandMap(G_TOLFlag(cv_newgametype.value), -1, false, false, 0, false));
+
 	if (ssplayers < 1)
 	{
 		D_MapChange(cv_nextmap.value, cv_newgametype.value, (boolean)cv_kartencore.value, 1, 1, false, false);
@@ -6749,16 +6764,18 @@ static void M_DrawLevelSelectOnly(boolean leftfade, boolean rightfade)
 	lumpnum_t lumpnum;
 	patch_t *PictureOfLevel;
 	INT32 x, y, w, i, oldval, trans, dupadjust = ((vid.width/vid.dupx) - BASEVIDWIDTH)>>1;
-	const char *mapname = G_BuildMapName(cv_nextmap.value);
-	//boolean doencore = (cv_kartencore.value && cv_newgametype.value == GT_RACE);
 
 	//  A 160x100 image of the level as entry MAPxxP
-	lumpnum = W_CheckNumForName(va("%sP", mapname));
+	if (cv_nextmap.value)
-
+	{
+		lumpnum = W_CheckNumForName(va("%sP", G_BuildMapName(cv_nextmap.value)));
 		if (lumpnum != LUMPERROR)
 			PictureOfLevel = W_CachePatchNum(lumpnum, PU_CACHE);
 		else
 			PictureOfLevel = W_CachePatchName("BLANKLVL", PU_CACHE);
+	}
+	else
+		PictureOfLevel = W_CachePatchName("RANDOMLV", PU_CACHE);
 
 	w = SHORT(PictureOfLevel->width)/2;
 	i = SHORT(PictureOfLevel->height)/2;
@@ -6803,7 +6820,7 @@ static void M_DrawLevelSelectOnly(boolean leftfade, boolean rightfade)
 		do
 		{
 			i--;
-			if (i == -1)
+			if (i == -2)
 				i = NUMMAPS-1;
 
 			if (i == oldval)
@@ -6815,13 +6832,16 @@ static void M_DrawLevelSelectOnly(boolean leftfade, boolean rightfade)
 		} while (!M_CanShowLevelInList(i, cv_newgametype.value));
 
 		//  A 160x100 image of the level as entry MAPxxP
-		mapname = G_BuildMapName(i+1);
+		if (i+1)
-		lumpnum = W_CheckNumForName(va("%sP", mapname));
+		{
-
+			lumpnum = W_CheckNumForName(va("%sP", G_BuildMapName(i+1)));
 			if (lumpnum != LUMPERROR)
 				PictureOfLevel = W_CachePatchNum(lumpnum, PU_CACHE);
 			else
 				PictureOfLevel = W_CachePatchName("BLANKLVL", PU_CACHE);
+		}
+		else
+			PictureOfLevel = W_CachePatchName("RANDOMLV", PU_CACHE);
 
 		x -= horizspac + w/2;
 
@@ -6839,7 +6859,7 @@ static void M_DrawLevelSelectOnly(boolean leftfade, boolean rightfade)
 		{
 			i++;
 			if (i == NUMMAPS)
-				i = 0;
+				i = -1;
 
 			if (i == oldval)
 				return;
@@ -6850,13 +6870,16 @@ static void M_DrawLevelSelectOnly(boolean leftfade, boolean rightfade)
 		} while (!M_CanShowLevelInList(i, cv_newgametype.value));
 
 		//  A 160x100 image of the level as entry MAPxxP
-		mapname = G_BuildMapName(i+1);
+		if (i+1)
-		lumpnum = W_CheckNumForName(va("%sP", mapname));
+		{
-
+			lumpnum = W_CheckNumForName(va("%sP", G_BuildMapName(i+1)));
 			if (lumpnum != LUMPERROR)
 				PictureOfLevel = W_CachePatchNum(lumpnum, PU_CACHE);
 			else
 				PictureOfLevel = W_CachePatchName("BLANKLVL", PU_CACHE);
+		}
+		else
+			PictureOfLevel = W_CachePatchName("RANDOMLV", PU_CACHE);
 
 		V_DrawTinyScaledPatch(x, y, trans, PictureOfLevel);