- Add skill CCMD to return player's current skill, while also being able to set skill for next game.

* Fixes #332.

source/core/cheats.cpp

@@ -495,3 +495,59 @@ CCMD(endofgame)
 	STAT_Update(true);
 	ChangeLevel(nullptr, -1);
 }
+
+//---------------------------------------------------------------------------
+//
+//
+//
+//---------------------------------------------------------------------------
+
+CCMD(skill)
+{
+	if (gamestate == GS_LEVEL)
+	{
+		auto argsCount = argv.argc();
+
+		if (argsCount < 2)
+		{
+			auto currentSkill = gi->GetCurrentSkill();
+			if (currentSkill >= 0)
+			{
+				Printf("Current skill is %d (%s)\n", currentSkill, GStrings.localize(gSkillNames[currentSkill]));
+			}
+			else if (currentSkill == -1)
+			{
+				Printf("Current skill is not set (%d)\n");
+			}
+			else if (currentSkill == -2)
+			{
+				Printf("This game has no skill settings.\n");
+			}
+			else
+			{
+				Printf("Current skill is an unknown/unsupported value (%d)\n");
+			}
+		}
+		else if (argsCount == 2)
+		{
+			auto newSkill = atoi(argv[1]);
+			if (newSkill >= 0 and newSkill <  MAXSKILLS)
+			{
+				g_nextskill = newSkill;
+				Printf("Skill will be changed for next game.\n");
+			}
+			else
+			{
+				Printf("Please specify a skill level between 0 and %d\n", MAXSKILLS - 1);
+			}
+		}
+		else if (argsCount > 2)
+		{
+			Printf(PRINT_BOLD, "skill <newskill>: returns the current skill level, and optionally sets the skill level for the next game.\n");
+		}
+	}
+	else
+	{
+		Printf("Currently not in a game.\n");
+	}
+}

source/core/gamestruct.h

@@ -121,6 +121,7 @@ struct GameInterface
 	virtual bool GetGeoEffect(GeoEffect* eff, int viewsector) { return false; }
 	virtual int Voxelize(int sprnum) { return -1; }
 	virtual void AddExcludedEpisode(FString episode) {}
+	virtual int GetCurrentSkill() { return -1; }
 
 	virtual FString statFPS()
 	{

source/games/blood/src/blood.cpp

@@ -241,6 +241,12 @@ void GameInterface::NextLevel(MapRecord *map, int skill)
 	NewLevel(map, skill, false);
 }
 
+int GameInterface::GetCurrentSkill()
+{
+	return gGameOptions.nDifficulty;
+}
+
+
 void GameInterface::Ticker()
 {
 	for (int i = connecthead; i >= 0; i = connectpoint2[i])

source/games/blood/src/blood.h

@@ -149,6 +149,7 @@ struct GameInterface : public ::GameInterface
 	void EnterPortal(spritetype* viewer, int type) override;
 	void LeavePortal(spritetype* viewer, int type) override;
 	void LoadGameTextures() override;
+	int GetCurrentSkill() override;
 
 	GameStats getStats() override;
 };

source/games/duke/src/duke3d.h

@@ -68,6 +68,7 @@ struct GameInterface : public ::GameInterface
 	void LeavePortal(spritetype* viewer, int type) override;
 	bool GetGeoEffect(GeoEffect* eff, int viewsector) override;
 	void AddExcludedEpisode(FString episode) override;
+	int GetCurrentSkill() override;
 
 };
 

source/games/duke/src/game.cpp

@@ -272,6 +272,11 @@ void GameInterface::loadPalette()
 	genspriteremaps();
 }
 
+int GameInterface::GetCurrentSkill()
+{
+	return ud.player_skill - 1;
+}
+
 //---------------------------------------------------------------------------
 //
 // set up the game module's state

source/games/exhumed/src/exhumed.h

@@ -248,6 +248,7 @@ struct GameInterface : public ::GameInterface
     int chaseCamY(binangle ang) { return -ang.bsin() / 12; }
     int chaseCamZ(fixedhoriz horiz) { return horiz.asq16() / 384; }
     void processSprites(spritetype* tsprite, int& spritesortcnt, int viewx, int viewy, int viewz, binangle viewang, double smoothRatio) override;
+    int GetCurrentSkill() override;
 
 	::GameStats getStats() override;
 };

source/games/exhumed/src/gameloop.cpp

@@ -141,6 +141,11 @@ void GameInterface::NewGame(MapRecord *map, int skill, bool frommenu)
     gameaction = ga_level;
 }
 
+int GameInterface::GetCurrentSkill()
+{
+    return -2;
+}
+
 int selectedlevelnew;
 
 DEFINE_ACTION_FUNCTION(DMapScreen, SetNextLevel)

source/games/sw/src/game.cpp

@@ -580,6 +580,17 @@ void GameInterface::NewGame(MapRecord *map, int skill, bool)
 //
 //---------------------------------------------------------------------------
 
+int GameInterface::GetCurrentSkill()
+{
+    return Skill;
+}
+
+//---------------------------------------------------------------------------
+//
+//
+//
+//---------------------------------------------------------------------------
+
 void GameInterface::Ticker(void)
 {
     int i;

source/games/sw/src/game.h

@@ -2274,6 +2274,7 @@ struct GameInterface : public ::GameInterface
     void LeavePortal(spritetype* viewer, int type) override;
     int Voxelize(int sprnum);
     void ExitFromMenu() override;
+    int GetCurrentSkill() override;
 
 
     GameStats getStats() override;