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game/client/tf2/hud_technologytreedoc.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+#include "cbase.h"
+#include "hud_technologytreedoc.h"
+#include "hud.h"
+#include "hud_macros.h"
+#include "techtree.h"
+#include "iclientmode.h"
+#include "hud_commander_statuspanel.h"
+#include "clientmode_commander.h"
+#include "commanderoverlaypanel.h"
+#include "tf_hints.h"
+#include "c_tf_hintmanager.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+static CTechnologyTreeDoc s_TechnologyTreeDoc;
+
+// Hook network messages
+DECLARE_MESSAGE( s_TechnologyTreeDoc, Technology )
+
+// Create object singleton on stack
+CTechnologyTreeDoc& GetTechnologyTreeDoc()
+{
+	return s_TechnologyTreeDoc;
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Construction
+//-----------------------------------------------------------------------------
+CTechnologyTreeDoc::CTechnologyTreeDoc( void )
+{
+	m_pTree = NULL;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Destruction
+//-----------------------------------------------------------------------------
+CTechnologyTreeDoc::~CTechnologyTreeDoc( void )
+{
+	delete m_pTree;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Initialize the panel
+//-----------------------------------------------------------------------------
+void CTechnologyTreeDoc::Init( void )
+{
+	ReloadTechTree();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CTechnologyTreeDoc::LevelInit( void )
+{
+	if ( m_pTree )
+	{
+		m_pTree->SetPreferredTechnology( NULL );
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CTechnologyTreeDoc::LevelShutdown( void )
+{
+	if ( m_pTree )
+	{
+		m_pTree->SetPreferredTechnology( NULL );
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CTechnologyTreeDoc::ReloadTechTree( void )
+{
+	// FIXME, CTechnologyTreeDoc should be an entity /MO
+	HOOK_HUD_MESSAGE( s_TechnologyTreeDoc, Technology );
+
+	// Reconstruct the tech tree
+	delete m_pTree;
+
+	// FIXME: If we reactivate this, we'll need to revisit team number here...
+	m_pTree = new CTechnologyTree( ::filesystem, 0);
+	Assert( m_pTree );
+
+	m_pTree->SetPreferredTechnology( NULL );
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Receive hud update message from server
+// Input  : *pszName - 
+//			iSize - 
+//			*pbuf - 
+// Output : int
+//-----------------------------------------------------------------------------
+int CTechnologyTreeDoc::MsgFunc_Technology(bf_read &msg)
+{
+	int index;
+	int available;
+	int voters;
+	float resourcelevel;
+	bool preferred;
+
+	// Which tech
+	index		= msg.ReadByte();
+	// Available to this team?
+	available	= msg.ReadByte();
+	// # of players indicating this as their preferred tech for new spending
+	voters		= msg.ReadByte();
+
+	preferred = ( voters & 0x80 ) ? true : false;
+	voters &= 0x7f;
+
+	resourcelevel = (float)msg.ReadShort();
+	
+	// Look it up by index
+	CBaseTechnology *item = m_pTree->GetTechnology( index );
+	if ( item )
+	{	
+		bool wasactive = item->GetActive();
+
+		bool justactivated = !wasactive && available;
+
+		// Set data elements
+		item->SetActive( available ? true : false );
+		item->SetVoters( voters );
+		item->SetResourceLevel( resourcelevel );
+
+		// If this is the tech I am voting for, clear my vote
+		if ( preferred )
+		{
+			// Sets the flag on the item, too
+			m_pTree->SetPreferredTechnology( item );
+		}
+		else
+		{
+			// Force deselection in case there is no active preference on the server any more
+			item->SetPreferred( false );
+		}
+
+		if ( justactivated && item->GetLevel() > 0 && !item->GetHintsGiven( TF_HINT_NEWTECHNOLOGY ) )
+		{
+			// So we only give this hint once this game, even if we respawn, etc.
+			item->SetHintsGiven( TF_HINT_NEWTECHNOLOGY, true );
+			// Note, only show a max of three or 4 newtechnology hints at a time
+			CreateGlobalHint( TF_HINT_NEWTECHNOLOGY, item->GetPrintName(), index, 3 );
+		}
+	}
+	
+	return 1;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Add a file of technologies to the technology tree
+//-----------------------------------------------------------------------------
+void CTechnologyTreeDoc::AddTechnologyFile( char *sFilename )
+{
+	// Add the technologies to the tech list
+	if ( m_pTree )
+	{
+		// FIXME: If we reactivate this, we'll need to revisit team number here...
+		m_pTree->AddTechnologyFile( ::filesystem, 0, sFilename );
+	}
+}