mirror of
https://github.com/OpenMW/openmw.git
synced 2025-11-04 03:56:39 +00:00
249 lines
9.6 KiB
C++
249 lines
9.6 KiB
C++
/*
|
|
Copyright (C) 2015-2016, 2018-2021 cc9cii
|
|
|
|
This software is provided 'as-is', without any express or implied
|
|
warranty. In no event will the authors be held liable for any damages
|
|
arising from the use of this software.
|
|
|
|
Permission is granted to anyone to use this software for any purpose,
|
|
including commercial applications, and to alter it and redistribute it
|
|
freely, subject to the following restrictions:
|
|
|
|
1. The origin of this software must not be misrepresented; you must not
|
|
claim that you wrote the original software. If you use this software
|
|
in a product, an acknowledgment in the product documentation would be
|
|
appreciated but is not required.
|
|
2. Altered source versions must be plainly marked as such, and must not be
|
|
misrepresented as being the original software.
|
|
3. This notice may not be removed or altered from any source distribution.
|
|
|
|
cc9cii cc9c@iinet.net.au
|
|
|
|
Much of the information on the data structures are based on the information
|
|
from Tes4Mod:Mod_File_Format and Tes5Mod:File_Formats but also refined by
|
|
trial & error. See http://en.uesp.net/wiki for details.
|
|
|
|
*/
|
|
#include "loadcell.hpp"
|
|
|
|
#ifdef NDEBUG // FIXME: debuggigng only
|
|
#undef NDEBUG
|
|
#endif
|
|
|
|
#include <cassert>
|
|
#include <cfloat> // FLT_MAX for gcc
|
|
#include <iostream> // FIXME: debug only
|
|
#include <stdexcept>
|
|
|
|
#include "reader.hpp"
|
|
// #include "writer.hpp"
|
|
|
|
#include <components/esm/refid.hpp>
|
|
|
|
// TODO: Try loading only EDID and XCLC (along with mFormId, mFlags and mParent)
|
|
//
|
|
// But, for external cells we may be scanning the whole record since we don't know if there is
|
|
// going to be an EDID subrecord. And the vast majority of cells are these kinds.
|
|
//
|
|
// So perhaps some testing needs to be done to see if scanning and skipping takes
|
|
// longer/shorter/same as loading the subrecords.
|
|
void ESM4::Cell::load(ESM4::Reader& reader)
|
|
{
|
|
mFormId = reader.hdr().record.id;
|
|
reader.adjustFormId(mFormId);
|
|
mId = ESM::RefId::formIdRefId(mFormId);
|
|
mFlags = reader.hdr().record.flags;
|
|
mParent = reader.currWorld();
|
|
|
|
reader.clearCellGrid(); // clear until XCLC FIXME: somehow do this automatically?
|
|
|
|
// Sometimes cell 0,0 does not have an XCLC sub record (e.g. ToddLand 000009BF)
|
|
// To workaround this issue put a default value if group is "exterior sub cell" and its
|
|
// grid from label is "0 0". Note the reversed X/Y order (no matter since they're both 0
|
|
// anyway).
|
|
if (reader.grp().type == ESM4::Grp_ExteriorSubCell && reader.grp().label.grid[1] == 0
|
|
&& reader.grp().label.grid[0] == 0)
|
|
{
|
|
ESM4::CellGrid currCellGrid;
|
|
currCellGrid.grid.x = 0;
|
|
currCellGrid.grid.y = 0;
|
|
reader.setCurrCellGrid(currCellGrid); // side effect: sets mCellGridValid true
|
|
}
|
|
|
|
// WARN: we need to call setCurrCell (and maybe setCurrCellGrid?) again before loading
|
|
// cell child groups if we are loading them after restoring the context
|
|
// (may be easier to update the context before saving?)
|
|
reader.setCurrCell(mFormId); // save for LAND (and other children) to access later
|
|
std::uint32_t esmVer = reader.esmVersion();
|
|
bool isFONV = esmVer == ESM::VER_132 || esmVer == ESM::VER_133 || esmVer == ESM::VER_134;
|
|
|
|
while (reader.getSubRecordHeader())
|
|
{
|
|
const ESM4::SubRecordHeader& subHdr = reader.subRecordHeader();
|
|
switch (subHdr.typeId)
|
|
{
|
|
case ESM4::SUB_EDID:
|
|
{
|
|
if (!reader.getZString(mEditorId))
|
|
throw std::runtime_error("CELL EDID data read error");
|
|
#if 0
|
|
std::string padding;
|
|
padding.insert(0, reader.stackSize()*2, ' ');
|
|
std::cout << padding << "CELL Editor ID: " << mEditorId << std::endl;
|
|
#endif
|
|
break;
|
|
}
|
|
case ESM4::SUB_XCLC:
|
|
{
|
|
//(X, Y) grid location of the cell followed by flags. Always in
|
|
// exterior cells and never in interior cells.
|
|
//
|
|
// int32 - X
|
|
// int32 - Y
|
|
// uint32 - flags (high bits look random)
|
|
//
|
|
// 0x1 - Force Hide Land Quad 1
|
|
// 0x2 - Force Hide Land Quad 2
|
|
// 0x4 - Force Hide Land Quad 3
|
|
// 0x8 - Force Hide Land Quad 4
|
|
uint32_t flags;
|
|
reader.get(mX);
|
|
reader.get(mY);
|
|
#if 0
|
|
std::string padding;
|
|
padding.insert(0, reader.stackSize()*2, ' ');
|
|
std::cout << padding << "CELL group " << ESM4::printLabel(reader.grp().label, reader.grp().type) << std::endl;
|
|
std::cout << padding << "CELL formId " << std::hex << reader.hdr().record.id << std::endl;
|
|
std::cout << padding << "CELL X " << std::dec << mX << ", Y " << mY << std::endl;
|
|
#endif
|
|
if (esmVer == ESM::VER_094 || esmVer == ESM::VER_170 || isFONV)
|
|
if (subHdr.dataSize == 12)
|
|
reader.get(flags); // not in Obvlivion, nor FO3/FONV
|
|
|
|
// Remember cell grid for later (loading LAND, NAVM which should be CELL temporary children)
|
|
// Note that grids only apply for external cells. For interior cells use the cell's formid.
|
|
ESM4::CellGrid currCell;
|
|
currCell.grid.x = (int16_t)mX;
|
|
currCell.grid.y = (int16_t)mY;
|
|
reader.setCurrCellGrid(currCell);
|
|
|
|
break;
|
|
}
|
|
case ESM4::SUB_FULL:
|
|
reader.getLocalizedString(mFullName);
|
|
break;
|
|
case ESM4::SUB_DATA:
|
|
{
|
|
if (esmVer == ESM::VER_094 || esmVer == ESM::VER_170 || isFONV)
|
|
if (subHdr.dataSize == 2)
|
|
reader.get(mCellFlags);
|
|
else
|
|
{
|
|
assert(subHdr.dataSize == 1 && "CELL unexpected DATA flag size");
|
|
reader.get(&mCellFlags, sizeof(std::uint8_t));
|
|
}
|
|
else
|
|
{
|
|
reader.get((std::uint8_t&)mCellFlags); // 8 bits in Obvlivion
|
|
}
|
|
#if 0
|
|
std::string padding;
|
|
padding.insert(0, reader.stackSize()*2, ' ');
|
|
std::cout << padding << "flags: " << std::hex << mCellFlags << std::endl;
|
|
#endif
|
|
break;
|
|
}
|
|
case ESM4::SUB_XCLR: // for exterior cells
|
|
{
|
|
mRegions.resize(subHdr.dataSize / sizeof(FormId));
|
|
for (std::vector<FormId>::iterator it = mRegions.begin(); it != mRegions.end(); ++it)
|
|
{
|
|
reader.getFormId(*it);
|
|
#if 0
|
|
std::string padding;
|
|
padding.insert(0, reader.stackSize()*2, ' ');
|
|
std::cout << padding << "region: " << std::hex << *it << std::endl;
|
|
#endif
|
|
}
|
|
break;
|
|
}
|
|
case ESM4::SUB_XOWN:
|
|
reader.getFormId(mOwner);
|
|
break;
|
|
case ESM4::SUB_XGLB:
|
|
reader.getFormId(mGlobal);
|
|
break; // Oblivion only?
|
|
case ESM4::SUB_XCCM:
|
|
reader.getFormId(mClimate);
|
|
break;
|
|
case ESM4::SUB_XCWT:
|
|
reader.getFormId(mWater);
|
|
break;
|
|
case ESM4::SUB_XCLW:
|
|
reader.get(mWaterHeight);
|
|
break;
|
|
case ESM4::SUB_XCLL:
|
|
{
|
|
if (esmVer == ESM::VER_094 || esmVer == ESM::VER_170 || isFONV)
|
|
{
|
|
if (subHdr.dataSize == 40) // FO3/FONV
|
|
reader.get(mLighting);
|
|
else if (subHdr.dataSize == 92) // TES5
|
|
{
|
|
reader.get(mLighting);
|
|
reader.skipSubRecordData(52); // FIXME
|
|
}
|
|
else
|
|
reader.skipSubRecordData();
|
|
}
|
|
else
|
|
reader.get(&mLighting, 36); // TES4
|
|
|
|
break;
|
|
}
|
|
case ESM4::SUB_XCMT:
|
|
reader.get(mMusicType);
|
|
break; // Oblivion only?
|
|
case ESM4::SUB_LTMP:
|
|
reader.getFormId(mLightingTemplate);
|
|
break;
|
|
case ESM4::SUB_LNAM:
|
|
reader.get(mLightingTemplateFlags);
|
|
break; // seems to always follow LTMP
|
|
case ESM4::SUB_XCMO:
|
|
reader.getFormId(mMusic);
|
|
break;
|
|
case ESM4::SUB_XCAS:
|
|
reader.getFormId(mAcousticSpace);
|
|
break;
|
|
case ESM4::SUB_TVDT:
|
|
case ESM4::SUB_MHDT:
|
|
case ESM4::SUB_XCGD:
|
|
case ESM4::SUB_XNAM:
|
|
case ESM4::SUB_XLCN:
|
|
case ESM4::SUB_XWCS:
|
|
case ESM4::SUB_XWCU:
|
|
case ESM4::SUB_XWCN:
|
|
case ESM4::SUB_XCIM:
|
|
case ESM4::SUB_XEZN:
|
|
case ESM4::SUB_XWEM:
|
|
case ESM4::SUB_XILL:
|
|
case ESM4::SUB_XRNK: // Oblivion only?
|
|
case ESM4::SUB_XCET: // FO3
|
|
case ESM4::SUB_IMPF: // FO3 Zeta
|
|
{
|
|
// std::cout << "CELL " << ESM::printName(subHdr.typeId) << " skipping..." << std::endl;
|
|
reader.skipSubRecordData();
|
|
break;
|
|
}
|
|
default:
|
|
throw std::runtime_error("ESM4::CELL::load - Unknown subrecord " + ESM::printName(subHdr.typeId));
|
|
}
|
|
}
|
|
}
|
|
|
|
// void ESM4::Cell::save(ESM4::Writer& writer) const
|
|
//{
|
|
// }
|
|
|
|
void ESM4::Cell::blank() {}
|