Add 'AddDialogues' in MAPINFO to additively add Strife NPC dialogs wi…

…thout overwriting each other.

src/gamedata/gi.cpp

@@ -438,6 +438,7 @@ void FMapInfoParser::ParseGameInfo()
 			GAMEINFOKEY_BOOL(norandomplayerclass, "norandomplayerclass")
 			GAMEINFOKEY_BOOL(forcekillscripts, "forcekillscripts") // [JM] Force kill scripts on thing death. (MF7_NOKILLSCRIPTS overrides.)
 			GAMEINFOKEY_STRING(Dialogue, "dialogue")
+			GAMEINFOKEY_STRINGARRAY(AddDialogues, "adddialogues", 0, false)
 			GAMEINFOKEY_STRING(statusscreen_single, "statscreen_single")
 			GAMEINFOKEY_STRING(statusscreen_coop, "statscreen_coop")
 			GAMEINFOKEY_STRING(statusscreen_dm, "statscreen_dm")

src/gamedata/gi.h

@@ -192,6 +192,7 @@ struct gameinfo_t
 	FString mMapArrow, mCheatMapArrow;
 	FString mEasyKey, mCheatKey;
 	FString Dialogue;
+	TArray<FString> AddDialogues;
 	FGIFont mStatscreenMapNameFont;
 	FGIFont mStatscreenFinishedFont;
 	FGIFont mStatscreenEnteringFont;

src/maploader/strifedialogue.cpp

@@ -105,6 +105,20 @@ void MapLoader::LoadStrifeConversations (MapData *map, const char *mapname)
 	}
 	else
 	{
+		// additive dialogues via MAPINFO
+		bool addedDialogues = false;
+		for (const FString addd : gameinfo.AddDialogues)
+		{
+			if (!LoadScriptFile(addd, true, 0))
+			{
+				continue;
+			}
+			else
+			{
+				addedDialogues = true;
+			}
+		}
+
 		if (strnicmp (mapname, "MAP", 3) == 0)
 		{
 			char scriptname_b[9] = { 'S','C','R','I','P','T',mapname[3],mapname[4],0 };
@@ -121,6 +135,10 @@ void MapLoader::LoadStrifeConversations (MapData *map, const char *mapname)
 		{
 			if (LoadScriptFile(gameinfo.Dialogue, false, 0))
 			{
+				if (addedDialogues)
+				{
+					Printf(TEXTCOLOR_RED "Warning! Dialogue was mixed with AddDialogues! Previous AddDialogues have been overwritten\n");
+				}
 				return;
 			}
 		}