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//===== Copyright <EFBFBD> 2005-2005, Valve Corporation, All rights reserved. ======// |
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// |
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// Purpose: A higher level link library for general use in the game and tools. |
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// |
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//===========================================================================// |
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#ifndef TIER2_H |
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#define TIER2_H |
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#if defined( _WIN32 ) |
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#pragma once |
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#endif |
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#include "tier1/tier1.h" |
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//----------------------------------------------------------------------------- |
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// Call this to connect to/disconnect from all tier 2 libraries. |
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// It's up to the caller to check the globals it cares about to see if ones are missing |
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//----------------------------------------------------------------------------- |
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void ConnectTier2Libraries( CreateInterfaceFn *pFactoryList, int nFactoryCount ); |
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void DisconnectTier2Libraries(); |
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//----------------------------------------------------------------------------- |
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// Call this to get the file system set up to stdio for utilities, etc: |
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//----------------------------------------------------------------------------- |
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void InitDefaultFileSystem(void); |
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void ShutdownDefaultFileSystem(void); |
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//----------------------------------------------------------------------------- |
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// for simple utilities using valve libraries, call the entry point below in main(). It will |
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// init a filesystem for you, init mathlib, and create the command line. Note that this function |
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// may modify argc/argv because it filters out arguments (like -allowdebug). |
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//----------------------------------------------------------------------------- |
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void InitCommandLineProgram( int &argc, char ** &argv ); |
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//----------------------------------------------------------------------------- |
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// Helper empty implementation of an IAppSystem for tier2 libraries |
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//----------------------------------------------------------------------------- |
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template< class IInterface, int ConVarFlag = 0 > |
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class CTier2AppSystem : public CTier1AppSystem< IInterface, ConVarFlag > |
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{ |
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typedef CTier1AppSystem< IInterface, ConVarFlag > BaseClass; |
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public: |
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virtual bool Connect( CreateInterfaceFn factory ) |
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{ |
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if ( !BaseClass::Connect( factory ) ) |
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return false; |
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ConnectTier2Libraries( &factory, 1 ); |
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return true; |
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} |
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virtual InitReturnVal_t Init() |
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{ |
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InitReturnVal_t nRetVal = BaseClass::Init(); |
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if ( nRetVal != INIT_OK ) |
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return nRetVal; |
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return INIT_OK; |
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} |
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virtual AppSystemTier_t GetTier() |
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{ |
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return APP_SYSTEM_TIER2; |
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} |
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virtual void Shutdown() |
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{ |
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BaseClass::Shutdown(); |
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} |
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virtual void Disconnect() |
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{ |
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DisconnectTier2Libraries(); |
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BaseClass::Disconnect(); |
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} |
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}; |
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//----------------------------------------------------------------------------- |
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// Distance fade information |
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//----------------------------------------------------------------------------- |
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enum FadeMode_t |
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{ |
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// These map directly to cpu_level, and g_aFadeData contains settings for each given cpu_level. |
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// The exception is 'FADE_MODE_LEVEL', which refers to level-specific values in the map entity. |
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FADE_MODE_NONE = 0, |
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FADE_MODE_LOW, |
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FADE_MODE_MED, |
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FADE_MODE_HIGH, |
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FADE_MODE_360, |
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FADE_MODE_LEVEL, |
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FADE_MODE_COUNT, |
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}; |
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struct FadeData_t |
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{ |
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float m_flPixelMin; // Size (height in pixels) above which objects start to fade in |
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float m_flPixelMax; // Size (height in pixels) above which objects are fully faded in |
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float m_flWidth; // Reference screen res w.r.t which the above pixel values were chosen |
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float m_flFadeDistScale; // Scale factor applied before entity distance-based fade is calculated |
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}; |
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// see tier2.cpp for data! |
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extern FadeData_t g_aFadeData[FADE_MODE_COUNT]; |
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//----------------------------------------------------------------------------- |
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// Used by the resource system for fast resource frame counter |
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//----------------------------------------------------------------------------- |
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extern uint32 g_nResourceFrameCount; |
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#endif // TIER2_H |
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