mirror of
https://github.com/ZDoom/gzdoom.git
synced 2024-11-14 08:31:23 +00:00
daf43f9d35
- added sanity checks to prevent a savegame from being loaded with an incompatible map - refactored a few things to simplify serialization. - started work on main level serializer function.
231 lines
No EOL
7.4 KiB
C++
231 lines
No EOL
7.4 KiB
C++
#ifndef __SERIALIZER_H
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#define __SERIALIZER_H
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#include <stdint.h>
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#include <type_traits>
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#include "tarray.h"
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#include "r_defs.h"
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struct FWriter;
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struct FReader;
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extern TArray<sector_t> loadsectors;
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extern TArray<line_t> loadlines;
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extern TArray<side_t> loadsides;
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extern char nulspace[];
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class FSerializer
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{
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public:
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FWriter *w = nullptr;
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FReader *r = nullptr;
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int ArraySize();
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public:
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~FSerializer()
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{
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Close();
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}
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bool OpenWriter();
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bool OpenReader(const char *buffer, size_t length);
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void Close();
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void WriteKey(const char *key);
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bool BeginObject(const char *name);
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void EndObject();
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bool BeginArray(const char *name);
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void EndArray();
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void WriteObjects();
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unsigned GetSize(const char *group);
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const char *GetOutput(unsigned *len = nullptr);
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FSerializer &Args(const char *key, int *args, int *defargs, int special);
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FSerializer &Terrain(const char *key, int &terrain, int *def = nullptr);
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FSerializer &Sprite(const char *key, int32_t &spritenum, int32_t *def);
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FSerializer &StringPtr(const char *key, const char *&charptr); // This only retrieves the address but creates no permanent copy of the string unlike the regular char* serializer.
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FSerializer &ScriptNum(const char *key, int &num);
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bool isReading() const
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{
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return r != nullptr;
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}
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bool isWriting() const
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{
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return w != nullptr;
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}
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bool canSkip() const;
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template<class T>
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FSerializer &operator()(const char *key, T &obj)
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{
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return Serialize(*this, key, obj, (T*)nullptr);
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}
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template<class T>
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FSerializer &operator()(const char *key, T &obj, T &def)
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{
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return Serialize(*this, key, obj, &def);
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}
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template<class T>
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FSerializer &Array(const char *key, T *obj, int count, bool fullcompare = false)
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{
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if (fullcompare && isWriting() && !memcmp(obj, nulspace, count * sizeof(T)))
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{
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return *this;
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}
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if (BeginArray(key))
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{
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for (int i = 0; i < count; i++)
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{
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Serialize(*this, nullptr, obj[i], (T*)nullptr);
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}
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EndArray();
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}
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return *this;
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}
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template<class T>
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FSerializer &Array(const char *key, T *obj, T *def, int count, bool fullcompare = false)
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{
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if (fullcompare && isWriting() && def != nullptr && !memcmp(obj, def, count * sizeof(T)))
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{
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return *this;
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}
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if (BeginArray(key))
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{
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for (int i = 0; i < count; i++)
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{
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Serialize(*this, nullptr, obj[i], def ? &def[i] : nullptr);
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}
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EndArray();
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}
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return *this;
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}
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template<class T>
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FSerializer &Enum(const char *key, T &obj)
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{
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auto val = (std::underlying_type<T>::type)obj;
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Serialize(*this, key, val, nullptr);
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obj = (T)val;
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return *this;
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}
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};
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FSerializer &Serialize(FSerializer &arc, const char *key, bool &value, bool *defval);
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FSerializer &Serialize(FSerializer &arc, const char *key, int64_t &value, int64_t *defval);
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FSerializer &Serialize(FSerializer &arc, const char *key, uint64_t &value, uint64_t *defval);
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FSerializer &Serialize(FSerializer &arc, const char *key, int32_t &value, int32_t *defval);
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FSerializer &Serialize(FSerializer &arc, const char *key, uint32_t &value, uint32_t *defval);
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FSerializer &Serialize(FSerializer &arc, const char *key, int8_t &value, int8_t *defval);
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FSerializer &Serialize(FSerializer &arc, const char *key, uint8_t &value, uint8_t *defval);
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FSerializer &Serialize(FSerializer &arc, const char *key, int16_t &value, int16_t *defval);
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FSerializer &Serialize(FSerializer &arc, const char *key, uint16_t &value, uint16_t *defval);
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FSerializer &Serialize(FSerializer &arc, const char *key, double &value, double *defval);
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FSerializer &Serialize(FSerializer &arc, const char *key, float &value, float *defval);
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FSerializer &Serialize(FSerializer &arc, const char *key, FTextureID &value, FTextureID *defval);
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FSerializer &Serialize(FSerializer &arc, const char *key, DObject *&value, DObject ** /*defval*/);
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FSerializer &Serialize(FSerializer &arc, const char *key, FName &value, FName *defval);
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FSerializer &Serialize(FSerializer &arc, const char *key, FSoundID &sid, FSoundID *def);
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FSerializer &Serialize(FSerializer &arc, const char *key, FString &sid, FString *def);
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template<class T>
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FSerializer &Serialize(FSerializer &arc, const char *key, T *&value, T **)
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{
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DObject *v = static_cast<DObject*>(value);
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Serialize(arc, key, v, nullptr);
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value = static_cast<T*>(v);
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return arc;
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}
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template<class T>
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FSerializer &Serialize(FSerializer &arc, const char *key, TObjPtr<T> &value, TObjPtr<T> *)
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{
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Serialize(arc, key, value.o, nullptr);
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return arc;
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}
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template<class T, class TT>
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FSerializer &Serialize(FSerializer &arc, const char *key, TArray<T, TT> &value, TArray<T, TT> *)
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{
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if (arc.isWriting())
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{
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if (value.Size() == 0) return arc; // do not save empty arrays
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}
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bool res = arc.BeginArray(key);
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if (arc.isReading())
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{
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if (!res)
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{
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value.Clear();
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return arc;
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}
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value.Resize(arc.ArraySize());
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}
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for (unsigned i = 0; i < value.Size(); i++)
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{
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Serialize(arc, nullptr, value[i], (T*)nullptr);
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}
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arc.EndArray();
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return arc;
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}
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template<> FSerializer &Serialize(FSerializer &arc, const char *key, FPolyObj *&value, FPolyObj **defval);
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template<> FSerializer &Serialize(FSerializer &arc, const char *key, sector_t *&value, sector_t **defval);
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template<> FSerializer &Serialize(FSerializer &arc, const char *key, player_t *&value, player_t **defval);
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template<> FSerializer &Serialize(FSerializer &arc, const char *key, line_t *&value, line_t **defval);
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template<> FSerializer &Serialize(FSerializer &arc, const char *key, side_t *&value, side_t **defval);
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template<> FSerializer &Serialize(FSerializer &arc, const char *key, vertex_t *&value, vertex_t **defval);
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template<> FSerializer &Serialize(FSerializer &arc, const char *key, FDynamicColormap *&cm, FDynamicColormap **def);
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template<> FSerializer &Serialize(FSerializer &arc, const char *key, PClassActor *&clst, PClassActor **def);
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template<> FSerializer &Serialize(FSerializer &arc, const char *key, FState *&state, FState **def);
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template<> FSerializer &Serialize(FSerializer &arc, const char *key, FStrifeDialogueNode *&node, FStrifeDialogueNode **def);
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template<> FSerializer &Serialize(FSerializer &arc, const char *key, FString *&pstr, FString **def);
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template<> FSerializer &Serialize(FSerializer &arc, const char *key, FDoorAnimation *&pstr, FDoorAnimation **def);
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template<> FSerializer &Serialize(FSerializer &arc, const char *key, char *&pstr, char **def);
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inline FSerializer &Serialize(FSerializer &arc, const char *key, DVector3 &p, DVector3 *def)
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{
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return arc.Array<double>(key, &p[0], def? &(*def)[0] : nullptr, 3, true);
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}
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inline FSerializer &Serialize(FSerializer &arc, const char *key, DRotator &p, DRotator *def)
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{
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return arc.Array<DAngle>(key, &p[0], def? &(*def)[0] : nullptr, 3, true);
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}
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inline FSerializer &Serialize(FSerializer &arc, const char *key, DVector2 &p, DVector2 *def)
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{
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return arc.Array<double>(key, &p[0], def? &(*def)[0] : nullptr, 2, true);
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}
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inline FSerializer &Serialize(FSerializer &arc, const char *key, DAngle &p, DAngle *def)
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{
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return Serialize(arc, key, p.Degrees, def? &def->Degrees : nullptr);
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}
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inline FSerializer &Serialize(FSerializer &arc, const char *key, PalEntry &pe, PalEntry *def)
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{
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return Serialize(arc, key, pe.d, def? &def->d : nullptr);
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}
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inline FSerializer &Serialize(FSerializer &arc, const char *key, FRenderStyle &style, FRenderStyle *def)
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{
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return Serialize(arc, key, style.AsDWORD, def ? &def->AsDWORD : nullptr);
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}
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template<class T, class TT>
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FSerializer &Serialize(FSerializer &arc, const char *key, TFlags<T, TT> &flags, TFlags<T, TT> *def)
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{
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return Serialize(arc, key, flags.Value, def? &def->Value : nullptr);
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}
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#endif |