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tracker/AdminServer/serverinfopanel.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================
+
+#include "ServerInfoPanel.h"
+#include "MapCycleEditDialog.h"
+
+#include <vgui/ISystem.h>
+
+#include <ctype.h>
+#include <stdio.h>
+
+using namespace vgui;
+
+//-----------------------------------------------------------------------------
+// Purpose: Constructor
+//-----------------------------------------------------------------------------
+CServerInfoPanel::CServerInfoPanel(vgui::Panel *parent, const char *name) : CVarListPropertyPage(parent, name)
+{
+	LoadControlSettings("Admin/GamePanelInfo.res", "PLATFORM");
+	LoadVarList("Admin/MainServerConfig.vdf");
+	m_iLastUptimeDisplayed = 0;
+	m_flUpdateTime = 0.0f;
+	m_bMapListRetrieved = false;
+	RemoteServer().AddServerMessageHandler(this, "UpdatePlayers");
+	RemoteServer().AddServerMessageHandler(this, "UpdateMap");
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Destructor
+//-----------------------------------------------------------------------------
+CServerInfoPanel::~CServerInfoPanel()
+{
+	RemoteServer().RemoveServerDataResponseTarget(this);
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: gets the current hostname
+//-----------------------------------------------------------------------------
+const char *CServerInfoPanel::GetHostname()
+{
+	return GetVarString("hostname");
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Refreshes page if necessary
+//-----------------------------------------------------------------------------
+void CServerInfoPanel::OnThink()
+{
+	if (m_flUpdateTime < vgui::system()->GetFrameTime())
+	{
+		OnResetData();
+	}
+
+	// check uptime count
+	int time = m_iLastUptimeReceived + (int)(vgui::system()->GetFrameTime() - m_flLastUptimeReceiveTime);
+	if (time != m_iLastUptimeDisplayed)
+	{
+		m_iLastUptimeDisplayed = time;
+		char timeText[64];
+		_snprintf(timeText, sizeof(timeText), "%0.1i:%0.2i:%0.2i:%0.2i", (time / 3600) / 24, (time / 3600), (time / 60) % 60, time % 60);
+		SetControlString("UpTimeText", timeText);
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Data is be reloaded from document into controls.
+//-----------------------------------------------------------------------------
+void CServerInfoPanel::OnResetData()
+{
+	// only ask for maps list once
+	if (!m_bMapListRetrieved)
+	{
+		RemoteServer().RequestValue(this, "maplist");
+		m_bMapListRetrieved = true;
+	}
+
+	// refresh our vars
+	RefreshVarList();
+
+	// ask for the constant data
+	RemoteServer().RequestValue(this, "playercount");
+	RemoteServer().RequestValue(this, "maxplayers");
+	RemoteServer().RequestValue(this, "gamedescription");
+	RemoteServer().RequestValue(this, "uptime");
+	RemoteServer().RequestValue(this, "ipaddress");
+
+	// update once every minute
+	m_flUpdateTime = (float)system()->GetFrameTime() + (60 * 1.0f);
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: handles responses from the server
+//-----------------------------------------------------------------------------
+void CServerInfoPanel::OnServerDataResponse(const char *value, const char *response)
+{
+	if (!stricmp(value, "playercount"))
+	{
+		m_iPlayerCount = atoi(response);
+	}
+	else if (!stricmp(value, "maxplayers"))
+	{
+		m_iMaxPlayers = atoi(response);
+
+		// update control
+		char buf[128];
+		buf[0] = 0;
+		if (m_iMaxPlayers > 0)
+		{
+			sprintf(buf, "%d / %d", m_iPlayerCount, m_iMaxPlayers);
+		}
+		SetControlString("PlayersText", buf);
+	}
+	else if (!stricmp(value, "gamedescription"))
+	{
+		SetControlString("GameText", response);
+	}
+	else if (!stricmp(value, "hostname"))
+	{
+		PostActionSignal(new KeyValues("UpdateTitle"));
+	}
+	else if (!stricmp(value, "UpdateMap") || !stricmp(value, "UpdatePlayers"))
+	{
+		// server has indicated a change, force an update
+		m_flUpdateTime = 0.0f;
+	}
+	else if (!stricmp(value, "maplist"))
+	{
+		SetCustomStringList("map", response);
+		// save off maplist for use in mapcycle editing
+		ParseIntoMapList(response, m_AvailableMaps);
+		// don't chain through, not in varlist
+		return;
+	}
+	else if (!stricmp(value, "uptime"))
+	{
+		// record uptime for extrapolation
+		m_iLastUptimeReceived = atoi(response);
+		m_flLastUptimeReceiveTime = (float)system()->GetFrameTime();
+	}
+	else if (!stricmp(value, "ipaddress"))
+	{
+		SetControlString("ServerIPText", response);
+	}
+	else if (!stricmp(value, "mapcycle"))
+	{
+		ParseIntoMapList(response, m_MapCycle);
+		UpdateMapCycleValue();
+		// don't chain through, we set the value ourself
+		return;
+	}
+
+	// always chain through, in case this variable is in the list as well
+	BaseClass::OnServerDataResponse(value, response);
+
+	// post update
+	if (!stricmp(value, "map"))
+	{
+		// map has changed, update map cycle view
+		UpdateMapCycleValue();
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: special editing of map cycle list
+//-----------------------------------------------------------------------------
+void CServerInfoPanel::OnEditVariable(KeyValues *rule)
+{
+	if (!stricmp(rule->GetName(), "mapcycle"))
+	{
+		CMapCycleEditDialog *dlg = new CMapCycleEditDialog(this, "MapCycleEditDialog");
+		dlg->Activate(this, m_AvailableMaps, m_MapCycle);
+	}
+	else
+	{
+		BaseClass::OnEditVariable(rule);
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Updates the value shown in the mapcycle field
+//-----------------------------------------------------------------------------
+void CServerInfoPanel::UpdateMapCycleValue()
+{
+	// look at current map
+	CUtlSymbol currentMap = GetVarString("map");
+	if (!currentMap.IsValid())
+		return;
+
+	// find it in the map cycle list
+	int listPoint = -1;
+	for (int i = 0; i < m_MapCycle.Count(); i++)
+	{
+		if (!stricmp(m_MapCycle[i].String(), currentMap.String()))
+		{
+			listPoint = i;
+		}
+	}
+
+	// take out the next 2 maps and make them the value
+	char nextMaps[512];
+	nextMaps[0] = 0;
+	bool needComma = false;
+	for (int i = 0; i < 2; i++)
+	{
+		int point = listPoint + i + 1;
+		if (point >= m_MapCycle.Count())
+		{
+			point -= m_MapCycle.Count();
+		}
+
+		if (m_MapCycle.IsValidIndex(point))
+		{
+			if (needComma)
+			{
+				strcat(nextMaps, ", ");
+			}
+			strcat(nextMaps, m_MapCycle[point].String());
+			needComma = true;
+		}
+	}
+
+	// add some elipses to show there is more maps
+	if (needComma)
+	{
+		strcat(nextMaps, ", ");
+	}
+	strcat(nextMaps, "...");
+
+	// show in varlist
+	SetVarString("mapcycle", nextMaps);
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Seperates out a newline-seperated map list into an array
+//-----------------------------------------------------------------------------
+void CServerInfoPanel::ParseIntoMapList(const char *maplist, CUtlVector<CUtlSymbol> &mapArray)
+{
+	mapArray.RemoveAll();
+
+	const char *parse = maplist;
+	while (*parse)
+	{
+		// newline-seperated map list
+		//!! this should be done with a more standard tokenizer
+		if (isspace(*parse))
+		{
+			parse++;
+			continue;
+		}
+
+		// pull out the map name
+		const char *end = strstr(parse, "\n");
+		const char *end2 = strstr(parse, "\r");
+		if (end && end2 && end2 < end)
+		{
+			end = end2;
+		}
+		if (!end)
+			break;
+
+		char customString[64];
+		int nameSize = end - parse;
+		if (nameSize >= sizeof(customString))
+		{
+			nameSize = sizeof(customString) - 1;
+		}
+
+		// copy in the name
+		strncpy(customString, parse, nameSize);
+		customString[nameSize] = 0;
+		parse = end;
+
+		// add to the list string that aren't comments
+		if (nameSize > 0 && !(customString[0] == '/' && customString[1] == '/'))
+		{
+			int i = mapArray.AddToTail();
+			mapArray[i] = customString;
+		}
+	}
+}
+