133 lines
4.2 KiB
C++
133 lines
4.2 KiB
C++
#include "pch.h"
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#include "modmanager.h"
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#include "filesystem.h"
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#include <fstream>
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AUTOHOOK_INIT()
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void ModManager::TryBuildKeyValues(const char* filename)
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{
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spdlog::info("Building KeyValues for file {}", filename);
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std::string normalisedPath = g_pModManager->NormaliseModFilePath(fs::path(filename));
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fs::path compiledPath = GetCompiledAssetsPath() / filename;
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fs::path compiledDir = compiledPath.parent_path();
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fs::create_directories(compiledDir);
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fs::path kvPath(filename);
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std::string ogFilePath = "mod_original_";
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ogFilePath += kvPath.filename().string();
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std::string newKvs = "// AUTOGENERATED: MOD PATCH KV\n";
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int patchNum = 0;
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// copy over patch kv files, and add #bases to new file, last mods' patches should be applied first
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// note: #include should be identical but it's actually just broken, thanks respawn
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for (int64_t i = m_LoadedMods.size() - 1; i > -1; i--)
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{
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if (!m_LoadedMods[i].m_bEnabled)
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continue;
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size_t fileHash = STR_HASH(normalisedPath);
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auto modKv = m_LoadedMods[i].KeyValues.find(fileHash);
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if (modKv != m_LoadedMods[i].KeyValues.end())
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{
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// should result in smth along the lines of #include "mod_patch_5_mp_weapon_car.txt"
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std::string patchFilePath = "mod_patch_";
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patchFilePath += std::to_string(patchNum++);
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patchFilePath += "_";
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patchFilePath += kvPath.filename().string();
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newKvs += "#base \"";
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newKvs += patchFilePath;
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newKvs += "\"\n";
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fs::remove(compiledDir / patchFilePath);
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fs::copy_file(m_LoadedMods[i].m_ModDirectory / "keyvalues" / filename, compiledDir / patchFilePath);
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}
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}
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// add original #base last, #bases don't override preexisting keys, including the ones we've just done
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newKvs += "#base \"";
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newKvs += ogFilePath;
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newKvs += "\"\n";
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// load original file, so we can parse out the name of the root obj (e.g. WeaponData for weapons)
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std::string originalFile = R2::ReadVPKOriginalFile(filename);
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if (!originalFile.length())
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{
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spdlog::warn("Tried to patch kv {} but no base kv was found!", ogFilePath);
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return;
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}
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char rootName[64];
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memset(rootName, 0, sizeof(rootName));
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// iterate until we hit an ascii char that isn't in a # command or comment to get root obj name
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int i = 0;
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while (!(originalFile[i] >= 65 && originalFile[i] <= 122))
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{
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// if we hit a comment or # thing, iterate until end of line
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if (originalFile[i] == '/' || originalFile[i] == '#')
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while (originalFile[i] != '\n')
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i++;
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i++;
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}
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int j = 0;
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for (int j = 0; originalFile[i] >= 65 && originalFile[i] <= 122; j++)
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rootName[j] = originalFile[i++];
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// empty kv, all the other stuff gets #base'd
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newKvs += rootName;
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newKvs += "\n{\n}\n";
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std::ofstream originalFileWriteStream(compiledDir / ogFilePath, std::ios::binary);
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originalFileWriteStream << originalFile;
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originalFileWriteStream.close();
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std::ofstream writeStream(compiledPath, std::ios::binary);
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writeStream << newKvs;
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writeStream.close();
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ModOverrideFile overrideFile;
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overrideFile.m_pOwningMod = nullptr;
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overrideFile.m_Path = normalisedPath;
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if (m_ModFiles.find(normalisedPath) == m_ModFiles.end())
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m_ModFiles.insert(std::make_pair(normalisedPath, overrideFile));
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else
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m_ModFiles[normalisedPath] = overrideFile;
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}
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// clang-format off
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AUTOHOOK(KeyValues__LoadFromBuffer, engine.dll + 0x426C30,
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char, __fastcall, (void* self, const char* resourceName, const char* pBuffer, void* pFileSystem, void* a5, void* a6, int a7))
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// clang-format on
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{
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static void* pSavedFilesystemPtr = nullptr;
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// this is just to allow playlists to get a valid pFileSystem ptr for kv building, other functions that call this particular overload of
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// LoadFromBuffer seem to get called on network stuff exclusively not exactly sure what the address wanted here is, so just taking it
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// from a function call that always happens before playlists is loaded
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// note: would be better if we could serialize this to disk for playlists, as this method breaks saving playlists in demos
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if (pFileSystem != nullptr)
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pSavedFilesystemPtr = pFileSystem;
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if (!pFileSystem && !strcmp(resourceName, "playlists"))
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pFileSystem = pSavedFilesystemPtr;
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return KeyValues__LoadFromBuffer(self, resourceName, pBuffer, pFileSystem, a5, a6, a7);
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}
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ON_DLL_LOAD("engine.dll", KeyValues, (CModule module))
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{
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AUTOHOOK_DISPATCH()
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}
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