mirror of
https://github.com/nillerusr/source-engine.git
synced 2024-12-22 22:27:05 +00:00
350 lines
11 KiB
C++
350 lines
11 KiB
C++
//======= Copyright © 1996-2007, Valve Corporation, All rights reserved. ======
|
|
//
|
|
// Purpose:
|
|
//
|
|
//=============================================================================
|
|
|
|
#ifndef VALVEPYTHON_H
|
|
#define VALVEPYTHON_H
|
|
|
|
|
|
#if defined( _WIN32 )
|
|
#pragma once
|
|
#endif
|
|
|
|
|
|
// Python includes
|
|
#include <Python.h>
|
|
|
|
|
|
// Valve includes
|
|
#include "interface.h"
|
|
#include "tier1/utlvector.h"
|
|
#include "tier1/utlstring.h"
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Finds the GetAppFactory function in the specified python module and returns
|
|
// the app factory handle or NULL on error
|
|
//-----------------------------------------------------------------------------
|
|
CreateInterfaceFn ValvePythonAppFactory( const char *pGetAppFactory = "GetAppFactory" );
|
|
|
|
|
|
//=============================================================================
|
|
//
|
|
// Should be called by each module's init function
|
|
//
|
|
//=============================================================================
|
|
bool ValvePythonInit( CreateInterfaceFn pInFactory = NULL );
|
|
|
|
|
|
//=============================================================================
|
|
//
|
|
// Python command factory class
|
|
//
|
|
//=============================================================================
|
|
class CValvePythonCommand
|
|
{
|
|
public:
|
|
// Constructor
|
|
CValvePythonCommand( const char *pName, PyCFunction pMeth, int nFlags, const char *pDoc )
|
|
: m_name( pName )
|
|
, m_pMeth( pMeth )
|
|
, m_nFlags( nFlags )
|
|
, m_doc( pDoc )
|
|
{
|
|
m_pNextFactory = s_pFirstFactory;
|
|
s_pFirstFactory = this;
|
|
}
|
|
|
|
static void Register( char *pModuleName );
|
|
|
|
protected:
|
|
|
|
void Register( CUtlVector< PyMethodDef > &pyMethodDefs );
|
|
|
|
private:
|
|
// The next factory
|
|
CValvePythonCommand *m_pNextFactory;
|
|
static CValvePythonCommand *s_pFirstFactory;
|
|
// Has to stay in same place in memory for duration of python
|
|
static CUtlVector< PyMethodDef > s_pyMethodDefs;
|
|
|
|
CUtlString m_name;
|
|
PyCFunction m_pMeth;
|
|
const int m_nFlags;
|
|
CUtlString m_doc;
|
|
};
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Macro to install a valve python command
|
|
//
|
|
// Use it like this:
|
|
//
|
|
// PYTHON_COMMAND( foo, METH_VARARGS, "The documentation for foo" )
|
|
//-----------------------------------------------------------------------------
|
|
#define PYTHON_COMMAND( _name, _flags, _doc ) \
|
|
extern "C" static PyObject *_name##_pythonFunc( PyObject *pSelf, PyObject *pArgs ); \
|
|
static CValvePythonCommand _name##_command( #_name, _name##_pythonFunc, _flags, _doc ); \
|
|
extern "C" static PyObject *_name##_pythonFunc( PyObject *pSelf, PyObject *pArgs )
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Macro to install a valve python command which uses keywords in the interface
|
|
//
|
|
// Use it like this:
|
|
//
|
|
// PYTHON_COMMAND( foo, METH_VARARGS, "The documentation for foo" )
|
|
//-----------------------------------------------------------------------------
|
|
#define PYTHON_COMMAND_KEYWORDS( _name, _flags, _doc ) \
|
|
extern "C" static PyObject *_name##_pythonFunc( PyObject *pSelf, PyObject *pArgs, PyObject *pKeywords ); \
|
|
static CValvePythonCommand _name##_command( #_name, reinterpret_cast< PyCFunction >( _name##_pythonFunc ), _flags, _doc ); \
|
|
extern "C" static PyObject *_name##_pythonFunc( PyObject *pSelf, PyObject *pArgs, PyObject *pKeywords )
|
|
|
|
|
|
//=============================================================================
|
|
//
|
|
// Python sub module factory class
|
|
//
|
|
//=============================================================================
|
|
class CValvePythonSubModule
|
|
{
|
|
public:
|
|
typedef void ( *PythonInitFunc_t )( void );
|
|
|
|
// Constructor
|
|
CValvePythonSubModule( const char *pName, PythonInitFunc_t pInitFunc )
|
|
: m_name( "_" )
|
|
, m_pInitFunc( pInitFunc )
|
|
{
|
|
m_name += pName;
|
|
m_pNextFactory = s_pFirstFactory;
|
|
s_pFirstFactory = this;
|
|
}
|
|
|
|
static void Register( PyObject *pPackage );
|
|
|
|
private:
|
|
// The next factory
|
|
CValvePythonSubModule *m_pNextFactory;
|
|
static CValvePythonSubModule *s_pFirstFactory;
|
|
|
|
CUtlString m_name;
|
|
PythonInitFunc_t m_pInitFunc;
|
|
};
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Macro to install a valve python command
|
|
//
|
|
// Use it like this:
|
|
//
|
|
// PYTHON_COMMAND( foo, METH_VARARGS, "The documentation for foo" )
|
|
//-----------------------------------------------------------------------------
|
|
#define PYTHON_SUBMODULE( _name ) \
|
|
extern "C" void init_##_name( void ); \
|
|
static CValvePythonSubModule _name##_submodule( #_name, init_##_name );
|
|
|
|
|
|
// Support for implemented extended python commands which can take multiple position arguments and specified keyword arguments
|
|
//
|
|
typedef enum _pytypes
|
|
{
|
|
PY_FIELD_VOID = 0, // No type or value
|
|
PY_FIELD_BOOLEAN, // boolean, implemented as an int, I may use this as a hint for compression
|
|
PY_FIELD_CHARACTER, // a byte
|
|
PY_FIELD_UTLSTRING, // CUtlString
|
|
PY_FIELD_SHORT, // 2 byte integer
|
|
PY_FIELD_INTEGER, // Any integer or enum
|
|
PY_FIELD_FLOAT, // Any floating point value
|
|
PY_FIELD_VECTOR, // Any vector, QAngle, or AngularImpulse
|
|
PY_FIELD_QUATERNION, // A quaternion
|
|
PY_FIELD_VMATRIX, // a Vmatrix (output coords are NOT worldspace)
|
|
PY_FIELD_MATRIX3X4, // matrix3x4_t
|
|
|
|
PY_FIELD_TYPECOUNT, // MUST BE LAST
|
|
} pytype_t;
|
|
|
|
#define _PY_PARAMETER(var_name,type,parameter_name,help) { type, #var_name, offsetof(classNameTypedef, var_name), -1, parameter_name, help, NULL, sizeof( ((classNameTypedef *)0)->var_name ) }
|
|
#define _PY_ARGUMENT(var_name,type,argument_index,help) { type, #var_name, offsetof(classNameTypedef, var_name), argument_index, "", help, NULL, sizeof( ((classNameTypedef *)0)->var_name ) }
|
|
|
|
#define DEFINE_PY_PARAMETER(var_name,type,parameter_name,help) _PY_PARAMETER(var_name, type, parameter_name, help )
|
|
#define DEFINE_PY_ARGUMENT(var_name,type,argument_index,help) _PY_ARGUMENT(var_name, type, argument_index, help )
|
|
|
|
struct pydatamap_t;
|
|
struct pytypedescription_t;
|
|
|
|
#define SIZE_OF_ARRAY(p) _ARRAYSIZE(p)
|
|
|
|
#define DECLARE_PY_PARAMETER_DESC() \
|
|
static pydatamap_t m_ParameterMap; \
|
|
static pydatamap_t *GetBaseParameterMap(); \
|
|
template <typename T> friend void ParameterMapAccess(T *, pydatamap_t **p); \
|
|
template <typename T> friend pydatamap_t *ParameterMapInit(T *); \
|
|
virtual pydatamap_t *GetParameterMap( void );
|
|
|
|
#define BEGIN_PY_PARAMETERS( className ) \
|
|
pydatamap_t className::m_ParameterMap = { 0, 0, #className, NULL }; \
|
|
pydatamap_t *className::GetParameterMap( void ) { return &m_ParameterMap; } \
|
|
pydatamap_t *className::GetBaseParameterMap() { pydatamap_t *pResult; ParameterMapAccess((BaseClass *)NULL, &pResult); return pResult; } \
|
|
BEGIN_PY_PARAMETERS_GUTS( className )
|
|
|
|
#define BEGIN_PY_PARAMETERS_NO_BASE( className ) \
|
|
pydatamap_t className::m_ParameterMap = { 0, 0, #className, NULL }; \
|
|
pydatamap_t *className::GetParameterMap( void ) { return &m_ParameterMap; } \
|
|
pydatamap_t *className::GetBaseParameterMap() { return NULL; } \
|
|
BEGIN_PY_PARAMETERS_GUTS( className )
|
|
|
|
#define BEGIN_PY_PARAMETERS_GUTS( className ) \
|
|
template <typename T> pydatamap_t *ParameterMapInit(T *); \
|
|
template <> pydatamap_t *ParameterMapInit<className>( className * ); \
|
|
namespace className##_ParameterMapInit \
|
|
{ \
|
|
pydatamap_t *g_DataMapHolder = ParameterMapInit( (className *)NULL ); /* This can/will be used for some clean up duties later */ \
|
|
} \
|
|
\
|
|
template <> pydatamap_t *ParameterMapInit<className>( className * ) \
|
|
{ \
|
|
typedef className classNameTypedef; \
|
|
static CParameterGeneratedNameHolder nameHolder(#className); \
|
|
className::m_ParameterMap.baseMap = className::GetBaseParameterMap(); \
|
|
static pytypedescription_t dataDesc[] = \
|
|
{ \
|
|
{ PY_FIELD_VOID,0,0,0,0,0,0 }, /* so you can define "empty" tables */
|
|
|
|
#define END_PY_PARAMETERS() \
|
|
}; \
|
|
\
|
|
if ( sizeof( dataDesc ) > sizeof( dataDesc[0] ) ) \
|
|
{ \
|
|
classNameTypedef::m_ParameterMap.dataNumFields = SIZE_OF_ARRAY( dataDesc ) - 1; \
|
|
classNameTypedef::m_ParameterMap.dataDesc = &dataDesc[1]; \
|
|
} \
|
|
else \
|
|
{ \
|
|
classNameTypedef::m_ParameterMap.dataNumFields = 1; \
|
|
classNameTypedef::m_ParameterMap.dataDesc = dataDesc; \
|
|
} \
|
|
return &classNameTypedef::m_ParameterMap; \
|
|
}
|
|
|
|
#define IMPLEMENT_NULL_PY_PARAMETERS( derivedClass ) \
|
|
BEGIN_PY_PARAMETERS_GUTS( derivedClass ) \
|
|
END_PY_PARAMETERS()
|
|
|
|
struct pytypedescription_t
|
|
{
|
|
pytype_t type;
|
|
const char *var_name;
|
|
int offset;
|
|
// index of the argument in the script file function call
|
|
int argument_index;
|
|
// the name of the parameter in script files
|
|
const char *parameter_name;
|
|
const char *help;
|
|
// For embedding additional datatables inside this one
|
|
pydatamap_t *td; // NOT HOOKED UP YET!!!
|
|
|
|
// Stores the actual member variable size in bytes
|
|
int fieldSizeInBytes;
|
|
};
|
|
|
|
struct pydatamap_t
|
|
{
|
|
pytypedescription_t *dataDesc;
|
|
int dataNumFields;
|
|
char const *dataClassName;
|
|
pydatamap_t *baseMap;
|
|
};
|
|
|
|
template <typename T>
|
|
inline void ParameterMapAccess(T *ignored, pydatamap_t **p)
|
|
{
|
|
*p = &T::m_ParameterMap;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
class CParameterGeneratedNameHolder
|
|
{
|
|
public:
|
|
CParameterGeneratedNameHolder( const char *pszBase )
|
|
: m_pszBase(pszBase)
|
|
{
|
|
m_nLenBase = strlen( m_pszBase );
|
|
}
|
|
|
|
~CParameterGeneratedNameHolder()
|
|
{
|
|
for ( int i = 0; i < m_Names.Count(); i++ )
|
|
{
|
|
delete m_Names[i];
|
|
}
|
|
}
|
|
|
|
const char *GenerateName( const char *pszIdentifier )
|
|
{
|
|
char *pBuf = new char[m_nLenBase + strlen(pszIdentifier) + 1];
|
|
strcpy( pBuf, m_pszBase );
|
|
strcat( pBuf, pszIdentifier );
|
|
m_Names.AddToTail( pBuf );
|
|
return pBuf;
|
|
}
|
|
|
|
private:
|
|
const char *m_pszBase;
|
|
size_t m_nLenBase;
|
|
CUtlVector<char *> m_Names;
|
|
};
|
|
|
|
#define PYTHON_COMMAND_EXTENDED( _className ) \
|
|
static _className g_##_className##Instance;\
|
|
extern "C" static PyObject *g_##_className##Dispatch( PyObject *pSelf, PyObject *pArgs, PyObject *pKeywords ) \
|
|
{ \
|
|
return g_##_className##Instance.DispatchRaw( pSelf, pArgs, pKeywords ); \
|
|
} \
|
|
static CValvePythonCommand _className##_command( g_##_className##Instance.GetName(), reinterpret_cast< PyCFunction >( g_##_className##Dispatch ), g_##_className##Instance.GetFlags(), g_##_className##Instance.GetDoc() ); \
|
|
|
|
class CBasePythonCommand
|
|
{
|
|
DECLARE_PY_PARAMETER_DESC();
|
|
|
|
public:
|
|
CBasePythonCommand( const char *pchCommandName, int nFlags, char const *pchHelpText, pydatamap_t *pDataMap );
|
|
|
|
PyObject *DispatchRaw( PyObject *pSelf, PyObject *pArgs, PyObject *pKeywords );
|
|
|
|
char const *GetName() const;
|
|
char const *GetDoc() const;
|
|
int GetFlags() const;
|
|
|
|
virtual PyObject *Dispatch( CUtlVector< CUtlString > &args, CUtlVector< int > &typedArgs ) = 0;
|
|
virtual void SetDefaults() = 0;
|
|
|
|
private:
|
|
|
|
void InitParameters();
|
|
void ProcessArguments( PyObject *pArgs, PyObject *pKeywords, CUtlVector< CUtlString > &args, CUtlVector< int > &typedArgs );
|
|
pytypedescription_t *FindParameter( char const *pchName );
|
|
pytypedescription_t *FindArgument( int index );
|
|
void ExtractParameter( char const *pchName, pytypedescription_t *pTypeDescription, PyObject *pValue );
|
|
template <class T>
|
|
inline bool IsParameterTypeValid( pytype_t, T * ) const;
|
|
|
|
protected:
|
|
|
|
CUtlString BuildAutoGeneratedField( char const *pchParameterName, char const *pchPrefix, int *pCounter );
|
|
|
|
template < class T >
|
|
inline bool GetParameter( char const *pchParameterName, T *value );
|
|
|
|
protected:
|
|
|
|
char const *m_pchCommandName;
|
|
int m_nFlags;
|
|
char const *m_pchBaseHelpText;
|
|
CUtlString m_HelpText;
|
|
pydatamap_t *m_pDataMap;
|
|
};
|
|
|
|
#endif // VALVEPYTHON_H
|