Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
[Custom lightmaps] Switch to custom UV format.
- Loading branch information
Showing
2 changed files
with
164 additions
and
79 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,136 @@ | ||
| /* | ||
| The MIT License (MIT) | ||
| Copyright (c) 2021 num0005 <double.null@outlook.com> | ||
| 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; | ||
|
|
||
| struct Position3d { | ||
| real x; | ||
| real y; | ||
| real z; | ||
| }; | ||
|
|
||
| struct Position2d { | ||
| real x; | ||
| real y; | ||
| }; | ||
|
|
||
| struct Vertex { | ||
| Position3d location; | ||
| Position2d texture_coord; | ||
| }; | ||
|
|
||
| struct Entry { | ||
| std::string name; | ||
| std::vector<Vertex> vertices; | ||
| }; | ||
|
|
||
| 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"); | ||
| } | ||
|
|
||
| return parsed_string; | ||
| } | ||
|
|
||
| void Read(const std::string &path) { | ||
| _entries.clear(); | ||
|
|
||
| std::ifstream ifs(path); | ||
| ifs.imbue(_locale); | ||
|
|
||
| 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); | ||
| } | ||
|
|
||
| // Write the .LUV file to disk | ||
| void Write(const std::string &path) { | ||
| std::ofstream ofs(path); | ||
| ofs.imbue(_locale); | ||
|
|
||
| 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; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| inline std::vector<Entry> &GetEntries() noexcept { return _entries; }; | ||
| }; | ||
| } |