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304 lines
8 KiB
C++
304 lines
8 KiB
C++
#include "loadcell.hpp"
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#include <string>
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#include <sstream>
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#include <list>
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#include <boost/concept_check.hpp>
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#include "esmreader.hpp"
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#include "esmwriter.hpp"
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namespace ESM
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{
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/// Some overloaded compare operators.
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bool operator==(const MovedCellRef& ref, int pRefnum)
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{
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return (ref.mRefnum == pRefnum);
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}
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bool operator==(const CellRef& ref, int pRefnum)
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{
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return (ref.mRefnum == pRefnum);
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}
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void Cell::load(ESMReader &esm, bool saveContext)
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{
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// Ignore this for now, it might mean we should delete the entire
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// cell?
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// TODO: treat the special case "another plugin moved this ref, but we want to delete it"!
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if (esm.isNextSub("DELE")) {
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esm.skipHSub();
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}
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esm.getHNT(mData, "DATA", 12);
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// Water level
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mWater = -1;
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mNAM0 = 0;
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if (mData.mFlags & Interior)
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{
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// Interior cells
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if (esm.isNextSub("INTV"))
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{
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int waterl;
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esm.getHT(waterl);
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mWater = (float) waterl;
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mWaterInt = true;
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}
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else if (esm.isNextSub("WHGT"))
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esm.getHT(mWater);
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// Quasi-exterior cells have a region (which determines the
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// weather), pure interior cells have ambient lighting
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// instead.
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if (mData.mFlags & QuasiEx)
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mRegion = esm.getHNOString("RGNN");
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else if (esm.isNextSub("AMBI"))
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esm.getHT(mAmbi);
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}
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else
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{
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// Exterior cells
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mRegion = esm.getHNOString("RGNN");
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mMapColor = 0;
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esm.getHNOT(mMapColor, "NAM5");
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}
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if (esm.isNextSub("NAM0")) {
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esm.getHT(mNAM0);
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}
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if (saveContext) {
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mContextList.push_back(esm.getContext());
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esm.skipRecord();
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}
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}
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void Cell::preLoad(ESMReader &esm) //Can't be "load" because it conflicts with function in esmtool
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{
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this->load(esm, false);
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}
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void Cell::postLoad(ESMReader &esm)
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{
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// Save position of the cell references and move on
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mContextList.push_back(esm.getContext());
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esm.skipRecord();
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}
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void Cell::save(ESMWriter &esm)
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{
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esm.writeHNT("DATA", mData, 12);
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if (mData.mFlags & Interior)
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{
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if (mWater != -1) {
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if (mWaterInt) {
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int water =
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(mWater >= 0) ? (int) (mWater + 0.5) : (int) (mWater - 0.5);
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esm.writeHNT("INTV", water);
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} else {
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esm.writeHNT("WHGT", mWater);
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}
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}
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if (mData.mFlags & QuasiEx)
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esm.writeHNOCString("RGNN", mRegion);
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else
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esm.writeHNT("AMBI", mAmbi, 16);
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}
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else
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{
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esm.writeHNOCString("RGNN", mRegion);
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if (mMapColor != 0)
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esm.writeHNT("NAM5", mMapColor);
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}
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if (mNAM0 != 0)
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esm.writeHNT("NAM0", mNAM0);
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}
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void Cell::restore(ESMReader &esm, int iCtx) const
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{
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esm.restoreContext(mContextList.at (iCtx));
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}
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std::string Cell::getDescription() const
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{
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if (mData.mFlags & Interior)
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{
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return mName;
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}
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else
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{
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std::ostringstream stream;
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stream << mData.mX << ", " << mData.mY;
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return stream.str();
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}
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}
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bool Cell::getNextRef(ESMReader &esm, CellRef &ref)
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{
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// TODO: Try and document reference numbering, I don't think this has been done anywhere else.
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if (!esm.hasMoreSubs())
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return false;
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// NOTE: We should not need this check. It is a safety check until we have checked
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// more plugins, and how they treat these moved references.
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if (esm.isNextSub("MVRF")) {
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esm.skipRecord(); // skip MVRF
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esm.skipRecord(); // skip CNDT
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// That should be it, I haven't seen any other fields yet.
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}
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// NAM0 sometimes appears here, sometimes further on
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ref.mNam0 = 0;
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if (esm.isNextSub("NAM0"))
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{
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esm.getHT(ref.mNam0);
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//esm.getHNOT(NAM0, "NAM0");
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}
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esm.getHNT(ref.mRefnum, "FRMR");
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ref.mRefID = esm.getHNString("NAME");
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// Identify references belonging to a parent file and adapt the ID accordingly.
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int local = (ref.mRefnum & 0xff000000) >> 24;
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size_t global = esm.getIndex() + 1;
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if (local)
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{
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// If the most significant 8 bits are used, then this reference already exists.
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// In this case, do not spawn a new reference, but overwrite the old one.
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ref.mRefnum &= 0x00ffffff; // delete old plugin ID
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const std::vector<Header::MasterData> &masters = esm.getMasters();
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global = masters[local-1].index + 1;
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ref.mRefnum |= global << 24; // insert global plugin ID
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}
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else
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{
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// This is an addition by the present plugin. Set the corresponding plugin index.
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ref.mRefnum |= global << 24; // insert global plugin ID
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}
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// getHNOT will not change the existing value if the subrecord is
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// missing
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ref.mScale = 1.0;
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esm.getHNOT(ref.mScale, "XSCL");
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// TODO: support loading references from saves, there are tons of keys not recognized yet.
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// The following is just an incomplete list.
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if (esm.isNextSub("ACTN"))
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esm.skipHSub();
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if (esm.isNextSub("STPR"))
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esm.skipHSub();
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if (esm.isNextSub("ACDT"))
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esm.skipHSub();
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if (esm.isNextSub("ACSC"))
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esm.skipHSub();
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if (esm.isNextSub("ACSL"))
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esm.skipHSub();
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if (esm.isNextSub("CHRD"))
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esm.skipHSub();
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else if (esm.isNextSub("CRED")) // ???
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esm.skipHSub();
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ref.mOwner = esm.getHNOString("ANAM");
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ref.mGlob = esm.getHNOString("BNAM");
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ref.mSoul = esm.getHNOString("XSOL");
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ref.mFaction = esm.getHNOString("CNAM");
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ref.mFactIndex = -2;
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esm.getHNOT(ref.mFactIndex, "INDX");
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ref.mGoldValue = 1;
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ref.mCharge = -1;
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ref.mEnchantmentCharge = -1;
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esm.getHNOT(ref.mEnchantmentCharge, "XCHG");
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esm.getHNOT(ref.mCharge, "INTV");
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esm.getHNOT(ref.mGoldValue, "NAM9");
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// Present for doors that teleport you to another cell.
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if (esm.isNextSub("DODT"))
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{
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ref.mTeleport = true;
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esm.getHT(ref.mDoorDest);
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ref.mDestCell = esm.getHNOString("DNAM");
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} else {
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ref.mTeleport = false;
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}
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// Integer, despite the name suggesting otherwise
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ref.mLockLevel = -1;
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esm.getHNOT(ref.mLockLevel, "FLTV");
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ref.mKey = esm.getHNOString("KNAM");
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ref.mTrap = esm.getHNOString("TNAM");
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ref.mReferenceBlocked = -1;
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ref.mFltv = 0;
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esm.getHNOT(ref.mReferenceBlocked, "UNAM");
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esm.getHNOT(ref.mFltv, "FLTV");
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esm.getHNOT(ref.mPos, "DATA", 24);
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// Number of references in the cell? Maximum once in each cell,
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// but not always at the beginning, and not always right. In other
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// words, completely useless.
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// Update: Well, maybe not completely useless. This might actually be
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// number_of_references + number_of_references_moved_here_Across_boundaries,
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// and could be helpful for collecting these weird moved references.
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if (esm.isNextSub("NAM0"))
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{
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esm.getHT(ref.mNam0);
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//esm.getHNOT(NAM0, "NAM0");
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}
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if (esm.isNextSub("DELE")) {
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esm.skipHSub();
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ref.mDeleted = 2; // Deleted, will not respawn.
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// TODO: find out when references do respawn.
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} else
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ref.mDeleted = 0;
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return true;
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}
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bool Cell::getNextMVRF(ESMReader &esm, MovedCellRef &mref)
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{
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esm.getHT(mref.mRefnum);
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esm.getHNOT(mref.mTarget, "CNDT");
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// Identify references belonging to a parent file and adapt the ID accordingly.
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int local = (mref.mRefnum & 0xff000000) >> 24;
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size_t global = esm.getIndex() + 1;
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mref.mRefnum &= 0x00ffffff; // delete old plugin ID
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const std::vector<Header::MasterData> &masters = esm.getMasters();
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global = masters[local-1].index + 1;
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mref.mRefnum |= global << 24; // insert global plugin ID
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return true;
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}
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void Cell::blank()
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{
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mName.clear();
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mRegion.clear();
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mWater = 0;
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mWaterInt = false;
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mMapColor = 0;
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mNAM0 = 0;
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mData.mFlags = 0;
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mData.mX = 0;
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mData.mY = 0;
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mAmbi.mAmbient = 0;
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mAmbi.mSunlight = 0;
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mAmbi.mFog = 0;
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mAmbi.mFogDensity = 0;
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}
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}
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