61 lines
2.2 KiB
C
61 lines
2.2 KiB
C
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//========= Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ============//
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//
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// Purpose: Core types for the response rules -- criteria, responses, rules, and matchers.
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//
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// $NoKeywords: $
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//=============================================================================//
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#ifndef RESPONSE_HOST_INTERFACE_H
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#define RESPONSE_HOST_INTERFACE_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "filesystem.h"
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class IUniformRandomStream;
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class ICommandLine;
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namespace ResponseRules
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{
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// FUNCTIONS YOU MUST IMPLEMENT IN THE HOST EXECUTABLE:
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// These are functions that are mentioned in the header, but need their bodies implemented
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// in the .dll that links against this lib.
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// This is to wrap functions that previously came from the engine interface
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// back when the response rules were inside the server.dll . Now that the rules
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// are included into a standalone editor, we don't necessarily have an engine around,
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// so there needs to be some other implementation.
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abstract_class IEngineEmulator
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{
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public:
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/// Given an input text buffer data pointer, parses a single token into the variable token and returns the new
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/// reading position
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virtual const char *ParseFile( const char *data, char *token, int maxlen ) = 0;
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/// Return a pointer to an IFileSystem we can use to read and process scripts.
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virtual IFileSystem *GetFilesystem() = 0;
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/// Return a pointer to an instance of an IUniformRandomStream
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virtual IUniformRandomStream *GetRandomStream() = 0 ;
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/// Return a pointer to a tier0 ICommandLine
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virtual ICommandLine *GetCommandLine() = 0;
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/// Emulates the server's UTIL_LoadFileForMe
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virtual byte *LoadFileForMe( const char *filename, int *pLength ) = 0;
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/// Emulates the server's UTIL_FreeFile
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virtual void FreeFile( byte *buffer ) = 0;
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/// Somewhere in the host executable you should define this symbol and
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/// point it at a singleton instance.
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static IEngineEmulator *s_pSingleton;
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// this is just a function that returns the pointer above -- just in
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// case we need to define it differently. And I get asserts this way.
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static IEngineEmulator *Get();
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};
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};
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#endif
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