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/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Additional permissions under GNU GPL version 3 section 7
If you modify this Program, or any covered work, by linking or
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
(or a modified version of those libraries),
containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG
JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the
licensors of this Program grant you additional
permission to convey the resulting work. Corresponding Source for a
non-source form of such a combination shall include the source code for
the parts of OpenSSL and IJG JPEG Library used as well as that of the covered
work.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
#ifndef plSDL_DESC_inc
#define plSDL_DESC_inc
//
// Code for State Description Language (SDL) Descriptors.
// These define a schema representing an object's saveState buffer.
//
#include "HeadSpin.h"
#include "plFileSystem.h"
//
// Describes a variable in a state descriptor.
// Every variable is actually a list, either fixed or variable length.
// Abstract base class.
//
class hsStream;
class plSimpleVarDescriptor;
class plSDVarDescriptor;
class plVarDescriptor
{
public:
enum Type
{
kNone = -1,
// atomic types
kInt,
kFloat,
kBool,
kString32,
kKey, // plKey - basically a uoid
kStateDescriptor, // this var refers to another state descriptor
kCreatable, // plCreatable - basically a classIdx and a read/write buffer
kDouble,
kTime, // double which is automatically converted to server clock and back, use for animation times
kByte,
kShort,
kAgeTimeOfDay, // float which is automatically set to the current age time of day (0-1)
// the following are a vector of floats
kVector3=50,// atomicCount=3
kPoint3, // atomicCount=3
kRGB, // atomicCount=3
kRGBA, // atomicCount=4
kQuaternion, // atomicCount=4
kRGB8, // atomicCount=3
kRGBA8, // atomicCount=4
};
typedef char String32[32];
enum Flags
{
kInternal = 0x1, // Don't allow access to this var in Vault Mgr
kAlwaysNew = 0x2, // Treat this var as always having the latest timestamp when FlaggingNewerState
kVariableLength = 0x4 // Var is defined as int foo[], so it's length is variable, starting at 0
};
protected:
static const uint8_t kVersion; // for Read/Write format
plString fDefault; // set by .sdl
plString fName; // set by .sdl
int fCount; // set by .sdl
Type fType; // set by .sdl
plString fTypeString; // string version of fType
uint32_t fFlags;
plString fDisplayOptions; // set by .sdl
public:
plVarDescriptor() : fCount(1), fType(kNone), fFlags(0) { }
virtual ~plVarDescriptor() { }
virtual void CopyFrom(const plVarDescriptor* v);
// conversion ops
virtual plSimpleVarDescriptor* GetAsSimpleVarDescriptor() = 0;
virtual plSDVarDescriptor* GetAsSDVarDescriptor() = 0;
virtual const plSimpleVarDescriptor* GetAsSimpleVarDescriptor() const = 0;
virtual const plSDVarDescriptor* GetAsSDVarDescriptor() const = 0;
// getters
plString GetDefault() const { return fDefault; }
plString GetName() const { return fName; }
Type GetType() const { return fType; }
plString GetTypeString() const { return fTypeString; }
int GetCount() const { return fCount; }
bool IsInternal() const { return (fFlags & kInternal) != 0; }
bool IsAlwaysNew() const { return (fFlags & kAlwaysNew) != 0; }
bool IsVariableLength() const { return (fFlags & kVariableLength) != 0; }
plString GetDisplayOptions() const { return fDisplayOptions; }
// setters
void SetDefault(const plString& n) { fDefault = n; }
void SetName(const plString& n) { fName = n; }
void SetCount(int c) { fCount=c; }
virtual bool SetType(const plString& type);
void SetType(Type t) { fType=t; }
void SetInternal(bool d) { if (d) fFlags |= kInternal; else fFlags &= ~kInternal; }
void SetAlwaysNew(bool d) { if (d) fFlags |= kAlwaysNew; else fFlags &= ~kAlwaysNew; }
void SetVariableLength(bool d) { if (d) fFlags |= kVariableLength; else fFlags &= ~kVariableLength; }
void SetDisplayOptions(const plString& s) { fDisplayOptions=s; }
// IO
virtual bool Read(hsStream* s);
virtual void Write(hsStream* s) const;
};
//
// Simple, non-nested var descriptors. These are comprised of single types, as opposed to
// referring to another state descriptor.
//
class plSimpleVarDescriptor : public plVarDescriptor
{
protected:
Type fAtomicType; // base type (it. quaternion == kFloat)
int fAtomicCount; // computed from type in .sdl (ie. quaternion == 4)
public:
plSimpleVarDescriptor();
virtual ~plSimpleVarDescriptor() { }
plSimpleVarDescriptor* GetAsSimpleVarDescriptor() { return this; }
plSDVarDescriptor* GetAsSDVarDescriptor() { return nil; }
const plSimpleVarDescriptor* GetAsSimpleVarDescriptor() const { return this; }
const plSDVarDescriptor* GetAsSDVarDescriptor() const { return nil; }
void CopyFrom(const plSimpleVarDescriptor* v);
void CopyFrom(const plVarDescriptor* v) { plVarDescriptor::CopyFrom(v); } // lame compiler
// getters
int GetSize() const;
int GetAtomicSize() const; // size of one item in bytes (regardless of count)
Type GetAtomicType() const { return fAtomicType; }
int GetAtomicCount() const { return fAtomicCount; }
// setters
bool SetType(const plString& type);
void SetType(Type t) { plVarDescriptor::SetType(t); } // for lame compiler
void SetAtomicType(Type t) { fAtomicType=t; }
// IO
virtual bool Read(hsStream* s);
virtual void Write(hsStream* s) const;
};
//
// A var descriptor which references another state descriptor.
//
class plStateDescriptor;
class plSDVarDescriptor : public plVarDescriptor
{
protected:
plStateDescriptor* fStateDesc;
public:
plSDVarDescriptor(plStateDescriptor* sd=nil) : fStateDesc(sd) { }
plSimpleVarDescriptor* GetAsSimpleVarDescriptor() { return nil; }
plSDVarDescriptor* GetAsSDVarDescriptor() { return this; }
const plSimpleVarDescriptor* GetAsSimpleVarDescriptor() const { return nil; }
const plSDVarDescriptor* GetAsSDVarDescriptor() const { return this; }
// getters
plStateDescriptor* GetStateDescriptor() const { return fStateDesc; }
// setters
void SetStateDesc(plStateDescriptor* sd) { fStateDesc=sd; }
void CopyFrom(const plSDVarDescriptor* v);
void CopyFrom(const plVarDescriptor* v) { plVarDescriptor::CopyFrom(v); } // lame compiler
// IO
bool Read(hsStream* s);
void Write(hsStream* s) const;
};
//
// A state descriptor - describes the contents of a type of state buffer.
// There is one of these for each persistent object type.
// These descriptors are defined in a user-created .sdl file.
//
class plKey;
class plStateDescriptor
{
private:
static const uint8_t kVersion; // for Read/Write format
typedef std::vector<plVarDescriptor*> VarsList;
VarsList fVarsList;
int fVersion;
plString fName;
plFileName fFilename; // the filename this descriptor was read from
void IDeInit();
public:
plStateDescriptor() : fVersion(-1) {}
~plStateDescriptor();
// getters
plString GetName() const { return fName; }
int GetNumVars() const { return fVarsList.size(); }
plVarDescriptor* GetVar(int i) const { return fVarsList[i]; }
int GetVersion() const { return fVersion; }
plFileName GetFilename() const { return fFilename; }
// setters
void SetVersion(int v) { fVersion=v; }
void SetName(const plString& n) { fName=n; }
void AddVar(plVarDescriptor* v) { fVarsList.push_back(v); }
void SetFilename(const plFileName& n) { fFilename=n;}
plVarDescriptor* FindVar(const plString& name, int* idx=nil) const;
// IO
bool Read(hsStream* s);
void Write(hsStream* s) const;
};
#endif // plSDL_DESC_inc