переход на warcraftxl 1.1

modules/moonwell-fdid/src/FdidOverlay.cpp

@@ -0,0 +1,161 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+// FileDataID overlay for selected retail assets shipped in MoonWell patches.
+
+#include "game/Io.hpp"
+#include "wxl/FdidApi.h"
+#include "wxl/PluginApi.h"
+
+#include <windows.h>
+
+#include <charconv>
+#include <cstdint>
+#include <mutex>
+#include <string>
+#include <string_view>
+#include <system_error>
+#include <unordered_map>
+#include <vector>
+
+namespace moonwell::fdid
+{
+    namespace
+    {
+        constexpr std::string_view kFileDataMap = "WXLFileData.csv";
+
+        std::once_flag g_loadOnce;
+        std::unordered_map<uint32_t, std::string> g_paths;
+        const WXL_Api* g_api = nullptr;
+        const char*(__cdecl* g_resolveTexture)(uint32_t) = nullptr;
+        const char*(__cdecl* g_resolveModel)(uint32_t) = nullptr;
+
+        bool ReadAll(const char* path, std::vector<uint8_t>& out)
+        {
+            void* handle = nullptr;
+            if (!wxl::game::io::FileOpen(path, wxl::game::io::kOpenWholeFile, &handle) || !handle)
+                return false;
+            uint32_t high = 0;
+            const uint32_t size = wxl::game::io::FileSize(handle, &high);
+            if (high != 0)
+            {
+                wxl::game::io::FileClose(handle);
+                return false;
+            }
+            out.resize(size);
+            uint32_t read = 0;
+            const bool ok = (size == 0 || wxl::game::io::FileRead(handle, out.data(), size, &read))
+                && read == size;
+            wxl::game::io::FileClose(handle);
+            if (!ok) out.clear();
+            return ok;
+        }
+
+        std::string_view Trim(std::string_view value)
+        {
+            while (!value.empty() && (value.front() == ' ' || value.front() == '\t' ||
+                                      value.front() == '\r' || value.front() == '\n'))
+                value.remove_prefix(1);
+            while (!value.empty() && (value.back() == ' ' || value.back() == '\t' ||
+                                      value.back() == '\r' || value.back() == '\n'))
+                value.remove_suffix(1);
+            return value;
+        }
+
+        void Load()
+        {
+            std::vector<uint8_t> bytes;
+            if (!ReadAll(kFileDataMap.data(), bytes))
+            {
+                if (g_api && g_api->Log)
+                    g_api->Log(WXL_LOG_WARN, "MoonWellFdid", "FileDataID map '%s' was not found",
+                               kFileDataMap.data());
+                return;
+            }
+
+            const std::string_view text(reinterpret_cast<const char*>(bytes.data()), bytes.size());
+            size_t lineStart = 0;
+            while (lineStart < text.size())
+            {
+                size_t lineEnd = text.find('\n', lineStart);
+                if (lineEnd == std::string_view::npos) lineEnd = text.size();
+                std::string_view line = Trim(text.substr(lineStart, lineEnd - lineStart));
+                lineStart = lineEnd + 1;
+
+                if (line.empty() || line.front() == '#') continue;
+                const size_t comma = line.find(',');
+                if (comma == std::string_view::npos) continue;
+
+                const std::string_view idText = Trim(line.substr(0, comma));
+                std::string_view pathText = Trim(line.substr(comma + 1));
+                uint32_t fileDataId = 0;
+                const auto parsed = std::from_chars(idText.data(), idText.data() + idText.size(), fileDataId);
+                if (parsed.ec != std::errc{} || parsed.ptr != idText.data() + idText.size() ||
+                    fileDataId == 0 || pathText.empty())
+                    continue;
+
+                std::string path(pathText);
+                for (char& c : path) if (c == '/') c = '\\';
+                g_paths[fileDataId] = std::move(path);
+            }
+
+            if (g_api && g_api->Log)
+                g_api->Log(WXL_LOG_INFO, "MoonWellFdid", "loaded %zu custom FileDataID path(s)",
+                           g_paths.size());
+        }
+
+        const char* ResolveCustom(uint32_t fileDataId)
+        {
+            std::call_once(g_loadOnce, &Load);
+            const auto found = g_paths.find(fileDataId);
+            return found == g_paths.end() ? nullptr : found->second.c_str();
+        }
+
+        const char* __cdecl ResolveTexture(uint32_t fileDataId)
+        {
+            if (const char* custom = ResolveCustom(fileDataId)) return custom;
+            return g_resolveTexture ? g_resolveTexture(fileDataId) : nullptr;
+        }
+
+        const char* __cdecl ResolveModel(uint32_t fileDataId)
+        {
+            if (const char* custom = ResolveCustom(fileDataId)) return custom;
+            return g_resolveModel ? g_resolveModel(fileDataId) : nullptr;
+        }
+
+        bool PatchResolver(WXL_FdidApi* fdid)
+        {
+            if (!fdid || fdid->apiVersion != WXL_FDID_API_VERSION) return false;
+            g_resolveTexture = fdid->ResolveTexture;
+            g_resolveModel = fdid->ResolveModel;
+
+            DWORD oldProtection = 0;
+            if (!VirtualProtect(fdid, sizeof(*fdid), PAGE_READWRITE, &oldProtection)) return false;
+            fdid->ResolveTexture = &ResolveTexture;
+            fdid->ResolveModel = &ResolveModel;
+            DWORD ignored = 0;
+            VirtualProtect(fdid, sizeof(*fdid), oldProtection, &ignored);
+            return true;
+        }
+    }
+}
+
+const WXL_PluginInfo* __cdecl WXL_Query(void)
+{
+    static const WXL_PluginInfo info = {
+        sizeof(WXL_PluginInfo), WXL_API_VERSION, "MoonWellFdid", 1, WXL_CLIENT_BUILD,
+    };
+    return &info;
+}
+
+int __cdecl WXL_Load(const WXL_Api* api)
+{
+    if (!api || api->apiVersion != WXL_API_VERSION) return 0;
+    moonwell::fdid::g_api = api;
+    auto* fdid = static_cast<WXL_FdidApi*>(api->GetInterface("wxl.fdid", WXL_FDID_API_VERSION));
+    if (!moonwell::fdid::PatchResolver(fdid))
+    {
+        api->Log(WXL_LOG_ERROR, "MoonWellFdid", "wxl.fdid v1 is unavailable");
+        return 0;
+    }
+    api->Log(WXL_LOG_INFO, "MoonWellFdid", "custom FileDataID overlay installed");
+    return 1;
+}