add cvar help and find

1 files changed, 115 insertions, 4 deletions

diff --git a/NorthstarDedicatedTest/sourceconsole.cpp b/NorthstarDedicatedTest/sourceconsole.cpp
index 8f56d6c4..ee05cc66 100644
--- a/NorthstarDedicatedTest/sourceconsole.cpp
+++ b/NorthstarDedicatedTest/sourceconsole.cpp
@@ -26,6 +26,89 @@ void ConCommand_hideconsole(const CCommand& arg)
 	(*g_SourceGameConsole)->Hide();
 }
 
+void PrintCommandHelpDialogue(const ConCommandBase* command, const char* name)
+{
+	if (!command)
+	{
+		spdlog::info("unknown command {}", name);
+		return;
+	}
+
+	// build string for flags if not FCVAR_NONE
+	std::string flagString;
+	if (command->GetFlags() != FCVAR_NONE)
+	{
+		flagString = "( ";
+
+		for (auto& flagPair : g_PrintCommandFlags)
+		{
+			if (command->GetFlags() & flagPair.first)
+			{
+				flagString += flagPair.second;
+				flagString += " ";
+			}
+		}
+
+		flagString += ") ";
+	}
+
+	// temp because command->IsCommand does not currently work
+	ConVar* cvar = g_pCVar->FindVar(command->m_pszName);
+	if (cvar)
+		spdlog::info("\"{}\" = \"{}\" {}- {}", cvar->GetBaseName(), cvar->GetString(), flagString, cvar->GetHelpText());
+	else
+		spdlog::info("\"{}\" {} - {}", command->m_pszName, flagString, command->GetHelpText());
+}
+
+void ConCommand_help(const CCommand& arg) 
+{
+	if (arg.ArgC() < 2)
+	{
+		spdlog::info("Usage: help <cvarname>");
+		return;
+	}
+
+	PrintCommandHelpDialogue(g_pCVar->FindCommandBase(arg.Arg(1)), arg.Arg(1));
+}
+
+void ConCommand_find(const CCommand& arg) 
+{
+	if (arg.ArgC() < 2)
+	{
+		spdlog::info("Usage: find <string> [<string>...]");
+		return;
+	}
+
+	char pTempName[256];
+	char pTempSearchTerm[256];
+
+	for (auto& map : g_pCVar->DumpToMap())
+	{
+		bool bPrintCommand = true;
+		for (int i = 0; i < arg.ArgC() - 1; i++)
+		{
+			// make lowercase to avoid case sensitivity
+			strncpy(pTempName, map.second->m_pszName, sizeof(pTempName));
+			strncpy(pTempSearchTerm, arg.Arg(i + 1), sizeof(pTempSearchTerm));
+
+			for (int i = 0; pTempName[i]; i++)
+				pTempName[i] = tolower(pTempName[i]);
+
+			for (int i = 0; pTempSearchTerm[i]; i++)
+				pTempSearchTerm[i] = tolower(pTempSearchTerm[i]);
+
+			if (!strstr(pTempName, pTempSearchTerm))
+			{
+				bPrintCommand = false;
+				break;
+			}
+		}
+
+		if (bPrintCommand)
+			PrintCommandHelpDialogue(map.second, map.second->m_pszName);
+	}
+}
+
 typedef void (*OnCommandSubmittedType)(CConsoleDialog* consoleDialog, const char* pCommand);
 OnCommandSubmittedType onCommandSubmittedOriginal;
 void OnCommandSubmittedHook(CConsoleDialog* consoleDialog, const char* pCommand)
@@ -34,7 +117,28 @@ void OnCommandSubmittedHook(CConsoleDialog* consoleDialog, const char* pCommand)
 	consoleDialog->m_pConsolePanel->Print(pCommand);
 	consoleDialog->m_pConsolePanel->Print("\n");
 
-	// todo: call the help command in the future
+	// try to display help text for this cvar
+	{
+		int pCommandLen = strlen(pCommand);
+		char* pCvarStr = new char[pCommandLen];
+		strcpy(pCvarStr, pCommand);
+
+		// trim whitespace from right
+		for (int i = pCommandLen - 1; i; i--)
+		{
+			if (isspace(pCvarStr[i]))
+				pCvarStr[i] = '\0';
+			else
+				break;
+		}
+
+		// check if we're inputting a cvar, but not setting it at all
+		ConVar* cvar = g_pCVar->FindVar(pCvarStr);
+		if (cvar)
+			PrintCommandHelpDialogue(&cvar->m_ConCommandBase, pCvarStr);
+
+		delete[] pCvarStr;
+	}
 
 	onCommandSubmittedOriginal(consoleDialog, pCommand);
 }
@@ -87,7 +191,14 @@ void SourceConsoleSink::flush_() {}
 ON_DLL_LOAD_CLIENT_RELIESON("client.dll", SourceConsole, ConCommand, [](HMODULE baseAddress)
 {
 	g_SourceGameConsole = new SourceInterface<CGameConsole>("client.dll", "GameConsole004");
-	RegisterConCommand("toggleconsole", ConCommand_toggleconsole, "toggles the console", FCVAR_DONTRECORD);
-	RegisterConCommand("showconsole", ConCommand_showconsole, "shows the console", FCVAR_DONTRECORD);
-	RegisterConCommand("hideconsole", ConCommand_hideconsole, "hides the console", FCVAR_DONTRECORD);
+	RegisterConCommand("toggleconsole", ConCommand_toggleconsole, "Show/hide the console.", FCVAR_DONTRECORD);
+	RegisterConCommand("showconsole", ConCommand_showconsole, "Show the console.", FCVAR_DONTRECORD);
+	RegisterConCommand("hideconsole", ConCommand_hideconsole, "Hide the console.", FCVAR_DONTRECORD);
+	RegisterConCommand("find", ConCommand_find, "Find concommands with the specified string in their name/help text.", FCVAR_NONE);
+
+	// help is already a command, so we need to modify the preexisting command to use our func instead
+	// and clear the flags also
+	ConCommand* helpCommand = g_pCVar->FindCommand("help");
+	helpCommand->m_nFlags = 0;
+	helpCommand->m_pCommandCallback = ConCommand_help;
 })
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