mirror of
https://github.com/OpenMW/openmw.git
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364 lines
13 KiB
C++
364 lines
13 KiB
C++
/*
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Copyright (C) 2015-2016, 2018, 2020-2021 cc9cii
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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cc9cii cc9c@iinet.net.au
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Much of the information on the data structures are based on the information
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from Tes4Mod:Mod_File_Format and Tes5Mod:File_Formats but also refined by
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trial & error. See http://en.uesp.net/wiki for details.
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*/
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#include "loadnavi.hpp"
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#ifdef NDEBUG // FIXME: debuggigng only
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#undef NDEBUG
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#endif
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#include <cassert>
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#include <stdexcept>
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#include <iostream> // FIXME: debugging only
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#include "reader.hpp"
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//#include "writer.hpp"
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void ESM4::Navigation::IslandInfo::load(ESM4::Reader& reader)
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{
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reader.get(minX);
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reader.get(minY);
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reader.get(minZ);
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reader.get(maxX);
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reader.get(maxY);
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reader.get(maxZ);
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std::uint32_t count;
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reader.get(count); // countTriangle;
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if (count)
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{
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triangles.resize(count);
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// std::cout << "NVMI island triangles " << std::dec << count << std::endl; // FIXME
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for (std::vector<Navigation::Triangle>::iterator it = triangles.begin(); it != triangles.end(); ++it)
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{
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reader.get(*it);
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}
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}
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reader.get(count); // countVertex;
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if (count)
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{
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verticies.resize(count);
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for (std::vector<ESM4::Vertex>::iterator it = verticies.begin(); it != verticies.end(); ++it)
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{
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reader.get(*it);
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// FIXME: debugging only
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#if 0
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std::string padding;
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padding.insert(0, reader.stackSize()*2, ' ');
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std::cout << padding << "NVMI vert " << std::dec << (*it).x << ", " << (*it).y << ", " << (*it).z << std::endl;
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#endif
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}
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}
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}
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void ESM4::Navigation::NavMeshInfo::load(ESM4::Reader& reader)
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{
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std::uint32_t count;
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reader.get(formId);
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reader.get(flags);
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reader.get(x);
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reader.get(y);
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reader.get(z);
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// FIXME: for debugging only
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#if 0
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std::string padding;
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if (flags == ESM4::FLG_Modified)
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padding.insert(0, 2, '-');
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else if (flags == ESM4::FLG_Unmodified)
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padding.insert(0, 4, '.');
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padding.insert(0, reader.stackSize()*2, ' ');
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std::cout << padding << "NVMI formId: 0x" << std::hex << formId << std::endl;
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std::cout << padding << "NVMI flags: " << std::hex << flags << std::endl;
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std::cout << padding << "NVMI center: " << std::dec << x << ", " << y << ", " << z << std::endl;
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#endif
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reader.get(flagPrefMerges);
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reader.get(count); // countMerged;
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if (count)
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{
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// std::cout << "NVMI countMerged " << std::dec << count << std::endl;
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formIdMerged.resize(count);
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for (std::vector<FormId>::iterator it = formIdMerged.begin(); it != formIdMerged.end(); ++it)
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{
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reader.get(*it);
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}
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}
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reader.get(count); // countPrefMerged;
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if (count)
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{
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// std::cout << "NVMI countPrefMerged " << std::dec << count << std::endl;
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formIdPrefMerged.resize(count);
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for (std::vector<FormId>::iterator it = formIdPrefMerged.begin(); it != formIdPrefMerged.end(); ++it)
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{
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reader.get(*it);
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}
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}
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reader.get(count); // countLinkedDoors;
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if (count)
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{
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// std::cout << "NVMI countLinkedDoors " << std::dec << count << std::endl;
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linkedDoors.resize(count);
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for (std::vector<DoorRef>::iterator it = linkedDoors.begin(); it != linkedDoors.end(); ++it)
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{
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reader.get(*it);
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}
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}
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unsigned char island;
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reader.get(island);
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if (island)
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{
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Navigation::IslandInfo island2;
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island2.load(reader);
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islandInfo.push_back(island2); // Maybe don't use a vector for just one entry?
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}
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else if (flags == FLG_Island) // FIXME: debug only
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std::cerr << "nvmi no island but has 0x20 flag" << std::endl;
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reader.get(locationMarker);
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reader.get(worldSpaceId);
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// FLG_Tamriel = 0x0000003c, // grid info follows, possibly Tamriel?
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// FLG_Morrowind = 0x01380000, // grid info follows, probably Skywind
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if (worldSpaceId == 0x0000003c || worldSpaceId == 0x01380000)
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{
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reader.get(cellGrid.grid.y); // NOTE: reverse order
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reader.get(cellGrid.grid.x);
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// FIXME: debugging only
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#if 0
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std::string padding;
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padding.insert(0, reader.stackSize()*2, ' ');
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if (worldSpaceId == ESM4::FLG_Morrowind)
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std::cout << padding << "NVMI MW: X " << std::dec << cellGrid.grid.x << ", Y " << cellGrid.grid.y << std::endl;
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else
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std::cout << padding << "NVMI SR: X " << std::dec << cellGrid.grid.x << ", Y " << cellGrid.grid.y << std::endl;
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#endif
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}
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else
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{
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reader.get(cellGrid.cellId);
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#if 0
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if (worldSpaceId == 0) // interior
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std::cout << "NVMI Interior: cellId " << std::hex << cellGrid.cellId << std::endl;
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else
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std::cout << "NVMI FormID: cellId " << std::hex << cellGrid.cellId << std::endl;
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#endif
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}
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}
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// NVPP data seems to be organised this way (total is 0x64 = 100)
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//
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// (0) total | 0x1 | formid (index 0) | count | formid's
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// (1) | count | formid's
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// (2) | count | formid's
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// (3) | count | formid's
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// (4) | count | formid's
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// (5) | count | formid's
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// (6) | count | formid's
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// (7) | count | formid's
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// (8) | count | formid's
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// (9) | count | formid's
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// (10) | 0x1 | formid (index 1) | count | formid's
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// (11) | count | formid's
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// (12) | count | formid's
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// (13) | count | formid's
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// (14) | count | formid's
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// (15) | count | formid's
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// ...
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//
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// (88) | count | formid's
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// (89) | count | formid's
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//
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// Here the pattern changes (final count is 0xa = 10)
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//
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// (90) | 0x1 | formid (index 9) | count | formid | index
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// (91) | formid | index
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// (92) | formid | index
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// (93) | formid | index
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// (94) | formid | index
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// (95) | formid | index
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// (96) | formid | index
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// (97) | formid | index
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// (98) | formid | index
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// (99) | formid | index
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//
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// Note that the index values are not sequential, i.e. the first index value
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// (i.e. row 90) for Update.esm is 2.
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//
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// Also note that there's no list of formid's following the final node (index 9)
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//
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// The same 10 formids seem to be used for the indices, but not necessarily
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// with the same index value (but only Update.esm differs?)
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//
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// formid cellid X Y Editor ID other formids in same X,Y S U D D
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// -------- ------ --- --- --------------------------- ---------------------------- - - - -
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// 00079bbf 9639 5 -4 WhiterunExterior17 00079bc3 0 6 0 0
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// 0010377b 8ed5 6 24 DawnstarWesternMineExterior 1 1 1 1
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// 000a3f44 9577 -22 2 RoriksteadEdge 2 9 2 2
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// 00100f4b 8ea2 26 25 WinterholdExterior01 00100f4a, 00100f49 3 3 3 3
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// 00103120 bc8e 42 -22 (near Riften) 4 2 4 4
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// 00105e9a 929d -18 24 SolitudeExterior03 5 0 5 5
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// 001030cb 7178 -40 1 SalviusFarmExterior01 (east of Markarth) 6 8 6 6
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// 00098776 980b 4 -19 HelgenExterior 000cce3d 7 5 7 7
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// 000e88cc 93de -9 14 (near Morthal) 0010519e, 0010519d, 000e88d2 8 7 8 8
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// 000b87df b51d 33 5 WindhelmAttackStart05 9 4 9 9
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//
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void ESM4::Navigation::load(ESM4::Reader& reader)
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{
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// mFormId = reader.hdr().record.id;
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// mFlags = reader.hdr().record.flags;
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std::uint32_t esmVer = reader.esmVersion();
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bool isFONV = esmVer == ESM::VER_132 || esmVer == ESM::VER_133 || esmVer == ESM::VER_134;
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while (reader.getSubRecordHeader())
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{
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const ESM4::SubRecordHeader& subHdr = reader.subRecordHeader();
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switch (subHdr.typeId)
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{
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case ESM4::SUB_EDID: // seems to be unused?
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{
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if (!reader.getZString(mEditorId))
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throw std::runtime_error("NAVI EDID data read error");
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break;
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}
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case ESM4::SUB_NVPP:
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{
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std::uint32_t total;
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std::uint32_t count;
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reader.get(total);
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if (!total)
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{
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reader.get(count); // throw away
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break;
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}
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total -= 10; // HACK
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std::uint32_t node;
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for (std::uint32_t i = 0; i < total; ++i)
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{
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std::vector<FormId> preferredPaths;
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reader.get(count);
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if (count == 1)
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{
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reader.get(node);
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reader.get(count);
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}
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if (count)
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{
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preferredPaths.resize(count);
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for (std::vector<FormId>::iterator it = preferredPaths.begin(); it != preferredPaths.end();
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++it)
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{
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reader.get(*it);
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}
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}
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mPreferredPaths.push_back(std::make_pair(node, preferredPaths));
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#if 0
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std::cout << "node " << std::hex << node // FIXME: debugging only
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<< ", count " << count << ", i " << std::dec << i << std::endl;
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#endif
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}
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reader.get(count);
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assert(count == 1 && "expected separator");
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reader.get(node); // HACK
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std::vector<FormId> preferredPaths;
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mPreferredPaths.push_back(std::make_pair(node, preferredPaths)); // empty
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#if 0
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std::cout << "node " << std::hex << node // FIXME: debugging only
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<< ", count " << 0 << std::endl;
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#endif
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reader.get(count); // HACK
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assert(count == 10 && "expected 0xa");
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std::uint32_t index;
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for (std::uint32_t i = 0; i < count; ++i)
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{
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reader.get(node);
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reader.get(index);
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#if 0
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std::cout << "node " << std::hex << node // FIXME: debugging only
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<< ", index " << index << ", i " << std::dec << total+i << std::endl;
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#endif
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// std::pair<std::map<FormId, std::uint32_t>::iterator, bool> res =
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mPathIndexMap.insert(std::make_pair(node, index));
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// FIXME: this throws if more than one file is being loaded
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// if (!res.second)
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// throw std::runtime_error ("node already exists in the preferred path index map");
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}
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break;
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}
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case ESM4::SUB_NVER:
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{
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std::uint32_t version; // always the same? (0x0c)
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reader.get(version); // TODO: store this or use it for merging?
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// std::cout << "NAVI version " << std::dec << version << std::endl;
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break;
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}
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case ESM4::SUB_NVMI: // multiple
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{
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if (esmVer == ESM::VER_094 || esmVer == ESM::VER_170 || isFONV)
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{
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reader.skipSubRecordData(); // FIXME: FO3/FONV have different form of NavMeshInfo
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break;
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}
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// std::cout << "\nNVMI start" << std::endl;
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NavMeshInfo nvmi;
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nvmi.load(reader);
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mNavMeshInfo.push_back(nvmi);
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break;
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}
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case ESM4::SUB_NVSI: // from Dawnguard onwards
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case ESM4::SUB_NVCI: // FO3
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{
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reader.skipSubRecordData(); // FIXME:
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break;
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}
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default:
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{
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throw std::runtime_error("ESM4::NAVI::load - Unknown subrecord " + ESM::printName(subHdr.typeId));
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}
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}
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}
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}
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// void ESM4::Navigation::save(ESM4::Writer& writer) const
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//{
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// }
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// void ESM4::Navigation::blank()
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//{
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// }
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