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365 lines
11 KiB
C++
365 lines
11 KiB
C++
#ifndef GAME_MWWORLD_CELLSTORE_H
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#define GAME_MWWORLD_CELLSTORE_H
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#include <algorithm>
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#include <stdexcept>
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#include <boost/shared_ptr.hpp>
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#include "livecellref.hpp"
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#include "esmstore.hpp"
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#include "cellreflist.hpp"
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#include <components/esm/fogstate.hpp>
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#include "../mwmechanics/pathgrid.hpp" // TODO: maybe belongs in mwworld
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#include "timestamp.hpp"
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namespace ESM
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{
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struct CellState;
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struct FogState;
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}
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namespace MWWorld
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{
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class Ptr;
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/// \brief Mutable state of a cell
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class CellStore
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{
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public:
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enum State
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{
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State_Unloaded, State_Preloaded, State_Loaded
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};
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private:
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// Even though fog actually belongs to the player and not cells,
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// it makes sense to store it here since we need it once for each cell.
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// Note this is NULL until the cell is explored to save some memory
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boost::shared_ptr<ESM::FogState> mFogState;
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const ESM::Cell *mCell;
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State mState;
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bool mHasState;
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std::vector<std::string> mIds;
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float mWaterLevel;
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MWWorld::TimeStamp mLastRespawn;
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CellRefList<ESM::Activator> mActivators;
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CellRefList<ESM::Potion> mPotions;
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CellRefList<ESM::Apparatus> mAppas;
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CellRefList<ESM::Armor> mArmors;
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CellRefList<ESM::Book> mBooks;
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CellRefList<ESM::Clothing> mClothes;
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CellRefList<ESM::Container> mContainers;
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CellRefList<ESM::Creature> mCreatures;
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CellRefList<ESM::Door> mDoors;
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CellRefList<ESM::Ingredient> mIngreds;
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CellRefList<ESM::CreatureLevList> mCreatureLists;
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CellRefList<ESM::ItemLevList> mItemLists;
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CellRefList<ESM::Light> mLights;
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CellRefList<ESM::Lockpick> mLockpicks;
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CellRefList<ESM::Miscellaneous> mMiscItems;
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CellRefList<ESM::NPC> mNpcs;
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CellRefList<ESM::Probe> mProbes;
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CellRefList<ESM::Repair> mRepairs;
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CellRefList<ESM::Static> mStatics;
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CellRefList<ESM::Weapon> mWeapons;
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public:
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CellStore (const ESM::Cell *cell_);
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const ESM::Cell *getCell() const;
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State getState() const;
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bool hasState() const;
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///< Does this cell have state that needs to be stored in a saved game file?
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bool hasId (const std::string& id) const;
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///< May return true for deleted IDs when in preload state. Will return false, if cell is
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/// unloaded.
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Ptr search (const std::string& id);
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///< Will return an empty Ptr if cell is not loaded. Does not check references in
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/// containers.
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Ptr searchViaHandle (const std::string& handle);
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///< Will return an empty Ptr if cell is not loaded.
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Ptr searchViaActorId (int id);
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///< Will return an empty Ptr if cell is not loaded.
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float getWaterLevel() const;
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void setWaterLevel (float level);
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void setFog (ESM::FogState* fog);
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///< \note Takes ownership of the pointer
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ESM::FogState* getFog () const;
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int count() const;
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///< Return total number of references, including deleted ones.
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void load (const MWWorld::ESMStore &store, std::vector<ESM::ESMReader> &esm);
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///< Load references from content file.
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void preload (const MWWorld::ESMStore &store, std::vector<ESM::ESMReader> &esm);
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///< Build ID list from content file.
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/// Call functor (ref) for each reference. functor must return a bool. Returning
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/// false will abort the iteration.
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/// \return Iteration completed?
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///
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/// \note Creatures and NPCs are handled last.
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template<class Functor>
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bool forEach (Functor& functor)
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{
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mHasState = true;
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return
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forEachImp (functor, mActivators) &&
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forEachImp (functor, mPotions) &&
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forEachImp (functor, mAppas) &&
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forEachImp (functor, mArmors) &&
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forEachImp (functor, mBooks) &&
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forEachImp (functor, mClothes) &&
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forEachImp (functor, mContainers) &&
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forEachImp (functor, mDoors) &&
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forEachImp (functor, mIngreds) &&
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forEachImp (functor, mItemLists) &&
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forEachImp (functor, mLights) &&
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forEachImp (functor, mLockpicks) &&
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forEachImp (functor, mMiscItems) &&
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forEachImp (functor, mProbes) &&
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forEachImp (functor, mRepairs) &&
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forEachImp (functor, mStatics) &&
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forEachImp (functor, mWeapons) &&
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forEachImp (functor, mCreatures) &&
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forEachImp (functor, mNpcs) &&
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forEachImp (functor, mCreatureLists);
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}
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template<class Functor>
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bool forEachContainer (Functor& functor)
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{
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mHasState = true;
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return
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forEachImp (functor, mContainers) &&
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forEachImp (functor, mCreatures) &&
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forEachImp (functor, mNpcs);
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}
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bool isExterior() const;
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Ptr searchInContainer (const std::string& id);
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void loadState (const ESM::CellState& state);
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void saveState (ESM::CellState& state) const;
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void writeFog (ESM::ESMWriter& writer) const;
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void readFog (ESM::ESMReader& reader);
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void writeReferences (ESM::ESMWriter& writer) const;
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void readReferences (ESM::ESMReader& reader, const std::map<int, int>& contentFileMap);
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void respawn ();
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///< Check mLastRespawn and respawn references if necessary. This is a no-op if the cell is not loaded.
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template <class T>
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CellRefList<T>& get() {
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throw std::runtime_error ("Storage for this type not exist in cells");
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}
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bool isPointConnected(const int start, const int end) const;
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std::list<ESM::Pathgrid::Point> aStarSearch(const int start, const int end) const;
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private:
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template<class Functor, class List>
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bool forEachImp (Functor& functor, List& list)
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{
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for (typename List::List::iterator iter (list.mList.begin()); iter!=list.mList.end();
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++iter)
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{
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if (iter->mData.isDeleted())
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continue;
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if (!functor (MWWorld::Ptr(&*iter, this)))
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return false;
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}
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return true;
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}
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/// Run through references and store IDs
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void listRefs(const MWWorld::ESMStore &store, std::vector<ESM::ESMReader> &esm);
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void loadRefs(const MWWorld::ESMStore &store, std::vector<ESM::ESMReader> &esm);
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void loadRef (ESM::CellRef& ref, bool deleted, const ESMStore& store);
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///< Make case-adjustments to \a ref and insert it into the respective container.
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///
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/// Invalid \a ref objects are silently dropped.
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MWMechanics::PathgridGraph mPathgridGraph;
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};
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template<>
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inline CellRefList<ESM::Activator>& CellStore::get<ESM::Activator>()
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{
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mHasState = true;
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return mActivators;
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}
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template<>
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inline CellRefList<ESM::Potion>& CellStore::get<ESM::Potion>()
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{
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mHasState = true;
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return mPotions;
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}
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template<>
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inline CellRefList<ESM::Apparatus>& CellStore::get<ESM::Apparatus>()
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{
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mHasState = true;
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return mAppas;
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}
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template<>
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inline CellRefList<ESM::Armor>& CellStore::get<ESM::Armor>()
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{
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mHasState = true;
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return mArmors;
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}
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template<>
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inline CellRefList<ESM::Book>& CellStore::get<ESM::Book>()
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{
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mHasState = true;
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return mBooks;
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}
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template<>
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inline CellRefList<ESM::Clothing>& CellStore::get<ESM::Clothing>()
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{
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mHasState = true;
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return mClothes;
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}
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template<>
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inline CellRefList<ESM::Container>& CellStore::get<ESM::Container>()
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{
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mHasState = true;
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return mContainers;
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}
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template<>
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inline CellRefList<ESM::Creature>& CellStore::get<ESM::Creature>()
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{
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mHasState = true;
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return mCreatures;
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}
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template<>
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inline CellRefList<ESM::Door>& CellStore::get<ESM::Door>()
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{
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mHasState = true;
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return mDoors;
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}
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template<>
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inline CellRefList<ESM::Ingredient>& CellStore::get<ESM::Ingredient>()
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{
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mHasState = true;
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return mIngreds;
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}
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template<>
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inline CellRefList<ESM::CreatureLevList>& CellStore::get<ESM::CreatureLevList>()
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{
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mHasState = true;
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return mCreatureLists;
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}
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template<>
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inline CellRefList<ESM::ItemLevList>& CellStore::get<ESM::ItemLevList>()
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{
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mHasState = true;
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return mItemLists;
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}
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template<>
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inline CellRefList<ESM::Light>& CellStore::get<ESM::Light>()
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{
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mHasState = true;
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return mLights;
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}
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template<>
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inline CellRefList<ESM::Lockpick>& CellStore::get<ESM::Lockpick>()
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{
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mHasState = true;
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return mLockpicks;
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}
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template<>
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inline CellRefList<ESM::Miscellaneous>& CellStore::get<ESM::Miscellaneous>()
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{
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mHasState = true;
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return mMiscItems;
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}
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template<>
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inline CellRefList<ESM::NPC>& CellStore::get<ESM::NPC>()
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{
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mHasState = true;
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return mNpcs;
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}
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template<>
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inline CellRefList<ESM::Probe>& CellStore::get<ESM::Probe>()
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{
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mHasState = true;
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return mProbes;
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}
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template<>
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inline CellRefList<ESM::Repair>& CellStore::get<ESM::Repair>()
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{
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mHasState = true;
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return mRepairs;
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}
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template<>
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inline CellRefList<ESM::Static>& CellStore::get<ESM::Static>()
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{
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mHasState = true;
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return mStatics;
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}
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template<>
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inline CellRefList<ESM::Weapon>& CellStore::get<ESM::Weapon>()
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{
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mHasState = true;
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return mWeapons;
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}
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bool operator== (const CellStore& left, const CellStore& right);
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bool operator!= (const CellStore& left, const CellStore& right);
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}
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#endif
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