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game/server/tf/tf_extra_map_entity.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+#include "cbase.h"
+#include "tf_extra_map_entity.h"
+#include "KeyValues.h"
+#include "filesystem.h"
+
+struct EntityWhiteList_t
+{
+	const char *pszKeyName;
+	const char *pszEntName;
+};
+
+// limit the entities that can be created using this method
+EntityWhiteList_t g_szEntityWhiteList[] =
+{
+//	{ "rocket", "entity_rocket" },
+//	{ "carrier", "entity_carrier" },
+	{ "sign", "entity_sign" },
+//	{ "saucer", "entity_saucer" },
+};
+
+
+LINK_ENTITY_TO_CLASS( entity_rocket, CExtraMapEntity_Rocket );
+
+LINK_ENTITY_TO_CLASS( entity_carrier, CExtraMapEntity_Carrier );
+
+LINK_ENTITY_TO_CLASS( entity_sign, CExtraMapEntity_Sign );
+
+LINK_ENTITY_TO_CLASS( entity_saucer, CExtraMapEntity_Saucer );
+
+
+BEGIN_DATADESC( CExtraMapEntity )
+DEFINE_THINKFUNC( AnimThink ),
+END_DATADESC();
+
+IMPLEMENT_AUTO_LIST( IExtraMapEntityAutoList );
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CExtraMapEntity::Spawn( void )
+{
+	Precache();
+	BaseClass::Spawn();
+	
+	SetModel( STRING( GetModelName() ) );
+
+	SetMoveType( MOVETYPE_NONE );
+	SetSequence( 0 );
+
+	if ( ShouldAnimate() )
+	{
+		ResetSequenceInfo();
+
+		SetThink( &CExtraMapEntity::AnimThink );
+		SetNextThink( gpGlobals->curtime + 0.1f );
+	}
+}
+
+void CExtraMapEntity::AnimThink( void )
+{
+	StudioFrameAdvance();
+	DispatchAnimEvents( this );
+	SetNextThink( gpGlobals->curtime + 0.1f );
+}
+
+void CExtraMapEntity::Precache( void )
+{
+	BaseClass::Precache();
+
+	bool bAllowPrecache = CBaseEntity::IsPrecacheAllowed();
+	CBaseEntity::SetAllowPrecache( true );
+	Precache_Internal();
+	CBaseEntity::SetAllowPrecache( bAllowPrecache );
+}
+
+void CExtraMapEntity::Precache_Internal( void )
+{
+	PrecacheModel( STRING( GetModelName() ) );
+}
+
+const char *CExtraMapEntity::ValidateKeyName( const char *pszKey )
+{
+	if ( pszKey && pszKey[0] )
+	{
+		for ( int i = 0; i < ARRAYSIZE( g_szEntityWhiteList ); i++ )
+		{
+			if ( FStrEq( pszKey, g_szEntityWhiteList[i].pszKeyName ) )
+			{
+				return g_szEntityWhiteList[i].pszEntName;
+			}
+		}
+	}
+
+	return NULL;
+}
+
+void CExtraMapEntity::PrepareModelName( const char *szModelName )
+{
+	const char *pszTemp = GetDefaultModel();
+	if ( szModelName && szModelName[0] )
+	{
+		pszTemp = szModelName;
+	}
+
+	SetModelName( AllocPooledString( pszTemp ) );
+}
+
+void CExtraMapEntity::SpawnExtraModel( void )
+{
+/*
+	const char *pszMapName = STRING( gpGlobals->mapname );
+	if ( !pszMapName || !pszMapName[0] )
+		return;
+
+	KeyValues *pFileKV = new KeyValues( "models" );
+	if ( !pFileKV->LoadFromFile( g_pFullFileSystem, "scripts/extra_models.txt", "MOD" ) )
+		return;
+
+	// See if we have an entry for this map.
+	KeyValues *pMapKV = pFileKV->FindKey( pszMapName );
+	if ( pMapKV )
+	{
+		FOR_EACH_SUBKEY( pMapKV, pSubKeyEnt )
+		{
+			const char *pszEntName = ValidateKeyName( pSubKeyEnt->GetName() );
+			if ( !pszEntName )
+				continue;
+			
+			FOR_EACH_SUBKEY( pSubKeyEnt, pSubKeyCount )
+			{
+				Vector loc = vec3_origin;
+				QAngle rot( 0, 0, 0 );
+				char szModelName[MAX_PATH];
+				szModelName[0] = '\0';
+				float flChance = 1.0f; // assume we want to show everything unless specified in the .txt file
+
+				FOR_EACH_SUBKEY( pSubKeyCount, pSubKey )
+				{
+					if ( FStrEq( pSubKey->GetName(), "location" ) )
+					{
+						const char *pszLoc = pSubKey->GetString();
+						UTIL_StringToVector( loc.Base(), pszLoc );
+					}
+					else if ( FStrEq( pSubKey->GetName(), "rotation" ) )
+					{
+						const char *pszRot = pSubKey->GetString();
+						UTIL_StringToVector( rot.Base(), pszRot );
+					}
+					else if ( FStrEq( pSubKey->GetName(), "model" ) )
+					{
+						V_strcpy_safe( szModelName, pSubKey->GetString() );
+					}
+					else if ( FStrEq( pSubKey->GetName(), "chance" ) )
+					{
+						flChance = pSubKey->GetFloat();
+						if ( flChance > 1.0f )
+						{
+							flChance = 1.0f;
+						}
+					}
+				}
+
+				if ( ( flChance > 0.0f ) && ( RandomFloat( 0, 1 ) < flChance ) )
+				{
+					CExtraMapEntity *pExtraMapEntity = static_cast< CExtraMapEntity* >( CBaseEntity::CreateNoSpawn( pszEntName, loc, rot ) );
+					if ( pExtraMapEntity )
+					{
+						pExtraMapEntity->PrepareModelName( szModelName );
+						DispatchSpawn( pExtraMapEntity );
+					}
+				}
+			}
+		}
+	}
+
+	pFileKV->deleteThis();
+*/
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Grordbort rocket model in the skybox
+//-----------------------------------------------------------------------------
+void CExtraMapEntity_Rocket::Spawn( void )
+{
+	BaseClass::Spawn();
+
+	SetSolid( SOLID_BBOX );
+	SetSize( -Vector( 8, 8, 0 ), Vector( 8, 8, 16 ) );
+}
+
+void CExtraMapEntity_Rocket::Precache_Internal( void )
+{
+	BaseClass::Precache_Internal();
+	PrecacheParticleSystem( "smoke_blackbillow_skybox" );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Mann vs. Machine carrier model in the skybox
+//-----------------------------------------------------------------------------
+void CExtraMapEntity_Carrier::Spawn( void )
+{
+	BaseClass::Spawn();
+
+	SetSolid( SOLID_BBOX );
+	SetSize( -Vector( 8, 8, 0 ), Vector( 8, 8, 16 ) );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Sign models to tease future updates
+//-----------------------------------------------------------------------------
+void CExtraMapEntity_Sign::Spawn( void )
+{
+	BaseClass::Spawn();
+
+	SetSolid( SOLID_NONE );
+	AddEffects( EF_NOSHADOW );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Saucer models to tease future updates
+//-----------------------------------------------------------------------------
+void CExtraMapEntity_Saucer::Spawn( void )
+{
+	BaseClass::Spawn();
+
+	SetSolid( SOLID_NONE );
+	AddEffects( EF_NOSHADOW );
+}