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gameui/ChangeGameDialog.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+
+#ifdef _XBOX
+#include "xbox/xbox_platform.h"
+#include "xbox/xbox_win32stubs.h"
+#endif
+
+#if !defined( _X360 )
+#include <windows.h>
+#endif
+#include <stdio.h>
+
+#include "ChangeGameDialog.h"
+#include "ModInfo.h"
+#include "EngineInterface.h"
+
+#include <vgui_controls/ListPanel.h>
+#include <KeyValues.h>
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include <tier0/memdbgon.h>
+
+using namespace vgui;
+
+//-----------------------------------------------------------------------------
+// Purpose: Constructor
+//-----------------------------------------------------------------------------
+CChangeGameDialog::CChangeGameDialog(vgui::Panel *parent) : Frame(parent, "ChangeGameDialog")
+{
+	SetSize(400, 340);
+	SetMinimumSize(400, 340);
+	SetTitle("#GameUI_ChangeGame", true);
+
+	m_pModList = new ListPanel(this, "ModList");
+	m_pModList->SetEmptyListText("#GameUI_NoOtherGamesAvailable");
+	m_pModList->AddColumnHeader(0, "ModName", "#GameUI_Game", 128);
+
+	LoadModList();
+	LoadControlSettings("Resource/ChangeGameDialog.res");
+
+	// if there's a mod in the list, select the first one
+	if (m_pModList->GetItemCount() > 0)
+	{
+		m_pModList->SetSingleSelectedItem(m_pModList->GetItemIDFromRow(0));
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Destructor
+//-----------------------------------------------------------------------------
+CChangeGameDialog::~CChangeGameDialog()
+{
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Fills the mod list
+//-----------------------------------------------------------------------------
+void CChangeGameDialog::LoadModList()
+{
+	// look for third party games
+	char szSearchPath[_MAX_PATH + 5];
+	Q_strncpy(szSearchPath, "*.*", sizeof( szSearchPath ) );
+
+	// use local filesystem since it has to look outside path system, and will never be used under steam
+	WIN32_FIND_DATA wfd;
+	HANDLE hResult;
+	memset(&wfd, 0, sizeof(WIN32_FIND_DATA));
+	
+	hResult = FindFirstFile( szSearchPath, &wfd);
+	if (hResult != INVALID_HANDLE_VALUE)
+	{
+		BOOL bMoreFiles;
+		while (1)
+		{
+			if ((wfd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) && (Q_strnicmp(wfd.cFileName, ".", 1)))
+			{
+				// Check for dlls\*.dll
+				char szDllDirectory[MAX_PATH + 16];
+				Q_snprintf(szDllDirectory, sizeof( szDllDirectory ), "%s\\gameinfo.txt", wfd.cFileName);
+
+				FILE *f = fopen(szDllDirectory, "rb");
+				if (f)
+				{
+					// find the description
+					fseek(f, 0, SEEK_END);
+					unsigned int size = ftell(f);
+					fseek(f, 0, SEEK_SET);
+					char *buf = (char *)malloc(size + 1);
+					if (fread(buf, 1, size, f) == size)
+					{
+						buf[size] = 0;
+
+						CModInfo modInfo;
+						modInfo.LoadGameInfoFromBuffer(buf);
+
+						if (strcmp(modInfo.GetGameName(), ModInfo().GetGameName()))
+						{
+							// Add the game directory.
+							strlwr(wfd.cFileName);
+							KeyValues *itemData = new KeyValues("Mod");
+							itemData->SetString("ModName", modInfo.GetGameName());
+							itemData->SetString("ModDir", wfd.cFileName);
+							m_pModList->AddItem(itemData, 0, false, false);
+						}
+					}
+					free(buf);
+					fclose(f);
+				}
+			}
+			bMoreFiles = FindNextFile(hResult, &wfd);
+			if (!bMoreFiles)
+				break;
+		}
+		
+		FindClose(hResult);
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CChangeGameDialog::OnCommand(const char *command)
+{
+	if (!stricmp(command, "OK"))
+	{
+		if (m_pModList->GetSelectedItemsCount() > 0)
+		{
+			KeyValues *kv = m_pModList->GetItem(m_pModList->GetSelectedItem(0));
+			if (kv)
+			{
+				// change the game dir and restart the engine
+				char szCmd[256];
+				Q_snprintf(szCmd, sizeof( szCmd ), "_setgamedir %s\n", kv->GetString("ModDir"));
+				engine->ClientCmd_Unrestricted(szCmd);
+
+				// Force restart of entire engine
+				engine->ClientCmd_Unrestricted("_restart\n");
+			}
+		}
+	}
+	else if (!stricmp(command, "Cancel"))
+	{
+		Close();
+	}
+	else
+	{
+		BaseClass::OnCommand(command);
+	}
+}
+
+
+
+
+
+