Added single-player difficulty menu.

Source/diablo.cpp

@@ -1211,7 +1211,13 @@ void PressChar(int vkey)
 		}
 		return;
 	case 'v':
-		NetSendCmdString(1 << myplr, gszProductName);
+		char *difficulties[3];
+		char pszStr[120];
+		difficulties[0] = "Normal";
+		difficulties[1] = "Nightmare";
+		difficulties[2] = "Hell";
+		sprintf(pszStr, "%s, mode = %s", gszProductName, difficulties[gnDifficulty]);
+		NetSendCmdString(1 << myplr, pszStr);
 		return;
 	case 'V':
 		NetSendCmdString(1 << myplr, gszVersionNumber);

Source/loadsave.cpp

@@ -46,6 +46,10 @@ void LoadGame(BOOL firstflag)
 
 	LoadPlayer(myplr);
 
+	gnDifficulty = plr[myplr].pDifficulty;
+	if (gnDifficulty < DIFF_NORMAL || gnDifficulty > DIFF_HELL)
+		gnDifficulty = DIFF_NORMAL;
+
 	for (i = 0; i < MAXQUESTS; i++)
 		LoadQuest(i);
 	for (i = 0; i < MAXPORTAL; i++)
@@ -276,6 +280,7 @@ void CopyInt64(const void *src, void *dst)
 void LoadPlayer(int i)
 {
 	PlayerStruct *pPlayer = &plr[i];
+	char tempChar;
 
 	CopyInt(tbuff, &pPlayer->_pmode);
 	CopyBytes(tbuff, MAX_PATH_LENGTH, pPlayer->walkpath);
@@ -443,7 +448,9 @@ void LoadPlayer(int i)
 	CopyInt(tbuff, &pPlayer->_pIGetHit);
 	CopyChar(tbuff, &pPlayer->_pISplLvlAdd);
 	CopyChar(tbuff, &pPlayer->_pISplCost);
-	tbuff += 2; // Alignment
+	CopyChar(tbuff, &tempChar);
+	pPlayer->pDifficulty = tempChar & 3; // Use 2 alignment bits for difficulty
+	tbuff += 1; // Alignment
 	CopyInt(tbuff, &pPlayer->_pISplDur);
 	CopyInt(tbuff, &pPlayer->_pIEnAc);
 	CopyInt(tbuff, &pPlayer->_pIFMinDam);
@@ -857,6 +864,7 @@ void SaveGame()
 		WSave(gnLevelTypeTbl[i]);
 	}
 
+	plr[myplr].pDifficulty = gnDifficulty;
 	SavePlayer(myplr);
 
 	for (i = 0; i < MAXQUESTS; i++)
@@ -1004,6 +1012,7 @@ void OSave(BOOL v)
 void SavePlayer(int i)
 {
 	PlayerStruct *pPlayer = &plr[i];
+	char tempChar;
 
 	CopyInt(&pPlayer->_pmode, tbuff);
 	CopyBytes(&pPlayer->walkpath, MAX_PATH_LENGTH, tbuff);
@@ -1169,7 +1178,9 @@ void SavePlayer(int i)
 
 	CopyChar(&pPlayer->_pISplLvlAdd, tbuff);
 	CopyChar(&pPlayer->_pISplCost, tbuff);
-	tbuff += 2; // Alignment
+	tempChar = pPlayer->pDifficulty & 3; // Use 2 alignment bits for difficulty
+	CopyChar(&tempChar, tbuff);
+	tbuff += 1; // Alignment
 	CopyInt(&pPlayer->_pISplDur, tbuff);
 	CopyInt(&pPlayer->_pIEnAc, tbuff);
 	CopyInt(&pPlayer->_pIFMinDam, tbuff);

Source/mainmenu.cpp

@@ -56,6 +56,7 @@ BOOL mainmenu_select_hero_dialog(
 		        gszHero,
 		        &gnDifficulty))
 			app_fatal("Unable to display SelHeroSing");
+		client_info->initdata->bDiff = gnDifficulty;
 
 		if (dlgresult == SELHERO_CONTINUE)
 			gbLoadGame = TRUE;

SourceX/DiabloUI/selgame.cpp

@@ -6,6 +6,7 @@
 #include "DiabloUI/text.h"
 #include "DiabloUI/dialogs.h"
 #include "DiabloUI/selok.h"
+#include "DiabloUI/selhero.h"
 
 namespace dvl {
 
@@ -235,13 +236,18 @@ bool IsDifficultyAllowed(int value)
 
 void selgame_Diff_Select(int value)
 {
-	if (!IsDifficultyAllowed(value)) {
+	if (selhero_isMultiPlayer && !IsDifficultyAllowed(value)) {
 		selgame_GameSelection_Select(0);
 		return;
 	}
 
 	gbDifficulty = value;
 
+	if (!selhero_isMultiPlayer) {
+		selhero_endMenu = true;
+		return;
+	}
+
 	if (provider == SELCONN_LOOPBACK) {
 		selgame_Password_Select(0);
 		return;
@@ -252,6 +258,14 @@ void selgame_Diff_Select(int value)
 
 void selgame_Diff_Esc()
 {
+	if (!selhero_isMultiPlayer) {
+		selgame_Free();
+
+		selhero_Init();
+		selhero_List_Init();
+		return;
+	}
+
 	if (provider == SELCONN_LOOPBACK) {
 		selgame_GameSelection_Esc();
 		return;

SourceX/DiabloUI/selgame.h

@@ -2,6 +2,8 @@
 
 namespace dvl {
 
+extern int gbDifficulty;
+
 void selgame_GameSelection_Init();
 void selgame_GameSelection_Focus(int value);
 void selgame_GameSelection_Select(int value);

SourceX/DiabloUI/selhero.cpp

@@ -11,6 +11,7 @@
 #include "DiabloUI/scrollbar.h"
 #include "DiabloUI/selyesno.h"
 #include "DiabloUI/selok.h"
+#include "DiabloUI/selgame.h"
 
 namespace dvl {
 
@@ -132,6 +133,50 @@ void selhero_ScrollIntoView(std::size_t index)
 
 } // namespace
 
+void selhero_Init()
+{
+	LoadBackgroundArt("ui_art\\selhero.pcx");
+	UiAddBackground(&vecSelHeroDialog);
+	UiAddLogo(&vecSelHeroDialog);
+	LoadScrollBar();
+
+	selhero_FreeDlgItems();
+	SDL_Rect rect1 = { PANEL_LEFT + 24, 161, 590, 35 };
+	vecSelHeroDialog.push_back(new UiArtText(title, rect1, UIS_CENTER | UIS_BIG));
+
+	SDL_Rect rect2 = { PANEL_LEFT + 30, 211, 180, 76 };
+	SELHERO_DIALOG_HERO_IMG = new UiImage(&ArtHero, UI_NUM_CLASSES, rect2);
+	vecSelHeroDialog.push_back(SELHERO_DIALOG_HERO_IMG);
+
+	SDL_Rect rect3 = { PANEL_LEFT + 39, 323, 110, 21 };
+	vecSelHeroDialog.push_back(new UiArtText("Level:", rect3, UIS_RIGHT));
+
+	SDL_Rect rect4 = { PANEL_LEFT + 39, 323, 110, 21 };
+	vecSelHeroDialog.push_back(new UiArtText("Level:", rect4, UIS_RIGHT));
+	SDL_Rect rect5 = { PANEL_LEFT + 159, 323, 40, 21 };
+	vecSelHeroDialog.push_back(new UiArtText(textStats[0], rect5, UIS_CENTER));
+
+	SDL_Rect rect6 = { PANEL_LEFT + 39, 358, 110, 21 };
+	vecSelHeroDialog.push_back(new UiArtText("Strength:", rect6, UIS_RIGHT));
+	SDL_Rect rect7 = { PANEL_LEFT + 159, 358, 40, 21 };
+	vecSelHeroDialog.push_back(new UiArtText(textStats[1], rect7, UIS_CENTER));
+
+	SDL_Rect rect8 = { PANEL_LEFT + 39, 380, 110, 21 };
+	vecSelHeroDialog.push_back(new UiArtText("Magic:", rect8, UIS_RIGHT));
+	SDL_Rect rect9 = { PANEL_LEFT + 159, 380, 40, 21 };
+	vecSelHeroDialog.push_back(new UiArtText(textStats[2], rect9, UIS_CENTER));
+
+	SDL_Rect rect10 = { PANEL_LEFT + 39, 401, 110, 21 };
+	vecSelHeroDialog.push_back(new UiArtText("Dexterity:", rect10, UIS_RIGHT));
+	SDL_Rect rect11 = { PANEL_LEFT + 159, 401, 40, 21 };
+	vecSelHeroDialog.push_back(new UiArtText(textStats[3], rect11, UIS_CENTER));
+
+	SDL_Rect rect12 = { PANEL_LEFT + 39, 422, 110, 21 };
+	vecSelHeroDialog.push_back(new UiArtText("Vitality:", rect12, UIS_RIGHT));
+	SDL_Rect rect13 = { PANEL_LEFT + 159, 422, 40, 21 };
+	vecSelHeroDialog.push_back(new UiArtText(textStats[4], rect13, UIS_CENTER));
+}
+
 void selhero_List_Init()
 {
 	listOffset = 0;
@@ -253,8 +298,7 @@ void selhero_List_Select(int value)
 		return;
 	}
 
-	UiInitList_clear();
-	selhero_endMenu = true;
+	selhero_Load_Select(1);
 }
 
 void selhero_List_Esc()
@@ -349,8 +393,7 @@ void selhero_Name_Select(int value)
 
 		if (overwrite) {
 			if (gfnHeroCreate(&selhero_heroInfo)) {
-				UiInitList_clear();
-				selhero_endMenu = true;
+				selhero_Load_Select(1);
 				return;
 			} else {
 				UiErrorOkDialog("Unable to create character.", vecSelDlgItems);
@@ -381,6 +424,11 @@ void selhero_Load_Select(int value)
 	if (value == 0) {
 		selhero_result = SELHERO_CONTINUE;
 		return;
+	} else if (!selhero_isMultiPlayer) {
+		selhero_endMenu = false;
+		selhero_Free();
+		LoadBackgroundArt("ui_art\\selgame.pcx");
+		selgame_GameSelection_Select(0);
 	}
 
 	selhero_result = 0;
@@ -405,46 +453,7 @@ BOOL UiSelHeroDialog(
 	bUIElementsLoaded = true;
 
 	do {
-		LoadBackgroundArt("ui_art\\selhero.pcx");
-		UiAddBackground(&vecSelHeroDialog);
-		UiAddLogo(&vecSelHeroDialog);
-		LoadScrollBar();
-
-		selhero_FreeDlgItems();
-		SDL_Rect rect1 = { PANEL_LEFT + 24, 161, 590, 35 };
-		vecSelHeroDialog.push_back(new UiArtText(title, rect1, UIS_CENTER | UIS_BIG));
-
-		SDL_Rect rect2 = { PANEL_LEFT + 30, 211, 180, 76 };
-		SELHERO_DIALOG_HERO_IMG = new UiImage(&ArtHero, UI_NUM_CLASSES, rect2);
-		vecSelHeroDialog.push_back(SELHERO_DIALOG_HERO_IMG);
-
-		SDL_Rect rect3 = { PANEL_LEFT + 39, 323, 110, 21 };
-		vecSelHeroDialog.push_back(new UiArtText("Level:", rect3, UIS_RIGHT));
-
-		SDL_Rect rect4 = { PANEL_LEFT + 39, 323, 110, 21 };
-		vecSelHeroDialog.push_back(new UiArtText("Level:", rect4, UIS_RIGHT));
-		SDL_Rect rect5 = { PANEL_LEFT + 159, 323, 40, 21 };
-		vecSelHeroDialog.push_back(new UiArtText(textStats[0], rect5, UIS_CENTER));
-
-		SDL_Rect rect6 = { PANEL_LEFT + 39, 358, 110, 21 };
-		vecSelHeroDialog.push_back(new UiArtText("Strength:", rect6, UIS_RIGHT));
-		SDL_Rect rect7 = { PANEL_LEFT + 159, 358, 40, 21 };
-		vecSelHeroDialog.push_back(new UiArtText(textStats[1], rect7, UIS_CENTER));
-
-		SDL_Rect rect8 = { PANEL_LEFT + 39, 380, 110, 21 };
-		vecSelHeroDialog.push_back(new UiArtText("Magic:", rect8, UIS_RIGHT));
-		SDL_Rect rect9 = { PANEL_LEFT + 159, 380, 40, 21 };
-		vecSelHeroDialog.push_back(new UiArtText(textStats[2], rect9, UIS_CENTER));
-
-		SDL_Rect rect10 = { PANEL_LEFT + 39, 401, 110, 21 };
-		vecSelHeroDialog.push_back(new UiArtText("Dexterity:", rect10, UIS_RIGHT));
-		SDL_Rect rect11 = { PANEL_LEFT + 159, 401, 40, 21 };
-		vecSelHeroDialog.push_back(new UiArtText(textStats[3], rect11, UIS_CENTER));
-
-		SDL_Rect rect12 = { PANEL_LEFT + 39, 422, 110, 21 };
-		vecSelHeroDialog.push_back(new UiArtText("Vitality:", rect12, UIS_RIGHT));
-		SDL_Rect rect13 = { PANEL_LEFT + 159, 422, 40, 21 };
-		vecSelHeroDialog.push_back(new UiArtText(textStats[4], rect13, UIS_CENTER));
+		selhero_Init();
 
 		gfnHeroInfo = fninfo;
 		gfnHeroCreate = fncreate;
@@ -503,7 +512,9 @@ BOOL UiSelHeroSingDialog(
     int *difficulty)
 {
 	selhero_isMultiPlayer = false;
-	return UiSelHeroDialog(fninfo, fncreate, fnstats, fnremove, dlgresult, name);
+	BOOL success = UiSelHeroDialog(fninfo, fncreate, fnstats, fnremove, dlgresult, name);
+	*difficulty = gbDifficulty;
+	return success;
 }
 
 BOOL UiSelHeroMultDialog(

SourceX/DiabloUI/selhero.h

@@ -4,6 +4,10 @@
 
 namespace dvl {
 
+extern bool selhero_isMultiPlayer;
+extern bool selhero_endMenu;
+
+void selhero_Init();
 void selhero_List_Init();
 void selhero_List_Focus(int value);
 void selhero_List_Select(int value);

structs.h

@@ -345,6 +345,7 @@ typedef struct PlayerStruct {
 	char bReserved[3];
 	short wReserved[8];
 	DWORD pDiabloKillLevel;
+	int pDifficulty;
 	int dwReserved[7];
 	unsigned char *_pNData;
 	unsigned char *_pWData;