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[Custom lightmaps] Switch to custom UV format.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,136 @@ | ||
| /* | ||
| The MIT License (MIT) | ||
| Copyright (c) 2021 num0005 <[email protected]> | ||
| Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| of this software and associated documentation files (the "Software"), to deal | ||
| in the Software without restriction, including without limitation the rights | ||
| to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| copies of the Software, and to permit persons to whom the Software is | ||
| furnished to do so, subject to the following conditions: | ||
| The above copyright notice and this permission notice shall be included in | ||
| all copies or substantial portions of the Software. | ||
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| THE SOFTWARE. | ||
| */ | ||
|
|
||
| #include <string> | ||
| #include <vector> | ||
| #include <iostream> | ||
| #include <fstream> | ||
| #include <locale> | ||
| #include <stdexcept> | ||
|
|
||
| namespace HaloLightmapUV { | ||
|
|
||
| // type used for all float point numbers | ||
| typedef float real; | ||
|
|
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| struct Position3d { | ||
| real x; | ||
| real y; | ||
| real z; | ||
| }; | ||
|
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| struct Position2d { | ||
| real x; | ||
| real y; | ||
| }; | ||
|
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| struct Vertex { | ||
| Position3d location; | ||
| Position2d texture_coord; | ||
| }; | ||
|
|
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| struct Entry { | ||
| std::string name; | ||
| std::vector<Vertex> vertices; | ||
| }; | ||
|
|
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| class File { | ||
| std::vector<Entry> _entries; | ||
| std::locale _locale = std::locale("en_US.UTF8"); | ||
|
|
||
| /// <summary> | ||
| /// Helper function for reading a quoted string. Throws an exception if it can't read the string correctly | ||
| /// </summary> | ||
| /// <param name="stream">The stream to read from</param> | ||
| /// <returns>The parsed string</returns> | ||
| std::string ReadQuotedString(std::ifstream& stream) { | ||
| std::string parsed_string; | ||
|
|
||
| char character; | ||
| stream >> character; | ||
| if (character != '"') | ||
| throw std::runtime_error("String doesn't start with quotation mark"); | ||
|
|
||
| while (true) { | ||
| stream >> character; | ||
| if (character == '"') | ||
| break; | ||
| if (std::isprint(character, _locale)) | ||
| parsed_string += character; | ||
| else | ||
| throw std::runtime_error("String contains unprintable characters"); | ||
| } | ||
|
|
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| return parsed_string; | ||
| } | ||
|
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| void Read(const std::string &path) { | ||
| _entries.clear(); | ||
|
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| std::ifstream ifs(path); | ||
| ifs.imbue(_locale); | ||
|
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| unsigned int entry_count; | ||
| ifs >> entry_count; | ||
| while (entry_count--) { | ||
| Entry entry; | ||
| entry.name = ReadQuotedString(ifs); | ||
|
|
||
| unsigned int vert_count; | ||
| ifs >> vert_count; | ||
| while (vert_count--) { | ||
| Vertex vert; | ||
| ifs >> vert.location.x >> vert.location.y >> vert.location.z; | ||
| ifs >> vert.texture_coord.x >> vert.texture_coord.y; | ||
| entry.vertices.push_back(vert); | ||
| } | ||
| _entries.push_back(entry); | ||
| } | ||
| } | ||
|
|
||
| public: | ||
| File() = default; | ||
| // Construct from a file | ||
| File(const std::string &path) { | ||
| Read(path); | ||
| } | ||
|
|
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| // Write the .LUV file to disk | ||
| void Write(const std::string &path) { | ||
| std::ofstream ofs(path); | ||
| ofs.imbue(_locale); | ||
|
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| ofs << _entries.size() << std::endl; | ||
| for (const Entry &entry : _entries ) { | ||
| ofs << '"' << entry.name << '"' << std::endl << entry.vertices.size() << std::endl; | ||
| for (const Vertex &vert: entry.vertices) { | ||
| ofs << "\t" << vert.location.x << "\t" << vert.location.y << "\t" << vert.location.z << std::endl; | ||
| ofs << "\t" << vert.texture_coord.x << "\t" << vert.texture_coord.y << std::endl; | ||
| } | ||
| } | ||
| } | ||
|
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| inline std::vector<Entry> &GetEntries() noexcept { return _entries; }; | ||
| }; | ||
| } |