From a4dec308c2fb061b70c32e622378a3877f552a8f Mon Sep 17 00:00:00 2001
From: aomizu <marco.tylus24@gmail.com>
Date: Mon, 29 Dec 2025 19:01:26 +0900
Subject: [PATCH] chore(file): add sfile/sfilenative backend selection

---
 CMakeLists.txt             |  3 ++
 storm/CMakeLists.txt       |  7 +++++
 storm/file/SFile.cpp       | 58 ++++++++++++++++++++++++++++++++++++++
 storm/file/SFileNative.cpp | 58 ++++++++++++++++++++++++++++++++++++++
 4 files changed, 126 insertions(+)
 create mode 100644 storm/file/SFile.cpp
 create mode 100644 storm/file/SFileNative.cpp

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a60dd76..7ac1163 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -18,6 +18,9 @@ project(storm)
 
 set(CMAKE_CXX_STANDARD 11)
 
+set(WHOA_SFILE_MODE "NATIVE" CACHE STRING "SFile backend (NATIVE or STORMLIB)")
+set_property(CACHE WHOA_SFILE_MODE PROPERTY STRINGS NATIVE STORMLIB)
+
 list(APPEND CMAKE_MODULE_PATH
     "${CMAKE_CURRENT_SOURCE_DIR}/lib/system/cmake"
     "${CMAKE_CURRENT_SOURCE_DIR}/vendor/cmake-modules"
diff --git a/storm/CMakeLists.txt b/storm/CMakeLists.txt
index 4cbfc3c..4336957 100644
--- a/storm/CMakeLists.txt
+++ b/storm/CMakeLists.txt
@@ -39,11 +39,18 @@ if(WHOA_SYSTEM_LINUX)
     list(APPEND STORM_SOURCES ${STORM_LINUX_SOURCES})
 endif()
 
+if(WHOA_SFILE_MODE STREQUAL "STORMLIB")
+    list(APPEND STORM_SOURCES "file/SFile.cpp")
+else()
+    list(APPEND STORM_SOURCES "file/SFileNative.cpp")
+endif()
+
 add_library(storm STATIC
     ${STORM_SOURCES}
 )
 
 target_compile_definitions(storm PRIVATE _CRT_SECURE_NO_WARNINGS)
+target_compile_definitions(storm PUBLIC WHOA_SFILE_MODE_${WHOA_SFILE_MODE})
 
 target_include_directories(storm
     PUBLIC
diff --git a/storm/file/SFile.cpp b/storm/file/SFile.cpp
new file mode 100644
index 0000000..3b26693
--- /dev/null
+++ b/storm/file/SFile.cpp
@@ -0,0 +1,58 @@
+#include "storm/File.hpp"
+
+// TODO: implement StormLib-backed SFile functions.
+
+int32_t STORMAPI SFileOpenArchive(const char* archivename, int32_t priority, uint32_t flags, HSARCHIVE* handle) {
+    (void)archivename;
+    (void)priority;
+    (void)flags;
+    (void)handle;
+    return 0;
+}
+
+int32_t STORMAPI SFileCloseArchive(HSARCHIVE handle) {
+    (void)handle;
+    return 0;
+}
+
+int32_t STORMAPI SFileOpenFileEx(HSARCHIVE archivehandle, const char* filename, uint32_t flags, HSFILE* handle) {
+    (void)archivehandle;
+    (void)filename;
+    (void)flags;
+    (void)handle;
+    return 0;
+}
+
+int32_t STORMAPI SFileReadFile(HSFILE handle, void* buffer, uint32_t bytestoread, uint32_t* bytesread, LPOVERLAPPED overlapped) {
+    (void)handle;
+    (void)buffer;
+    (void)bytestoread;
+    (void)overlapped;
+    if (bytesread) {
+        *bytesread = 0;
+    }
+    return 0;
+}
+
+uint32_t STORMAPI SFileGetFileSize(HSFILE handle, uint32_t* filesizehigh) {
+    (void)handle;
+    if (filesizehigh) {
+        *filesizehigh = 0;
+    }
+    return 0;
+}
+
+uint32_t STORMAPI SFileSetFilePointer(HSFILE handle, int32_t distancetomove, int32_t* distancetomovehigh, uint32_t movemethod) {
+    (void)handle;
+    (void)distancetomove;
+    (void)movemethod;
+    if (distancetomovehigh) {
+        *distancetomovehigh = 0;
+    }
+    return 0;
+}
+
+int32_t STORMAPI SFileCloseFile(HSFILE handle) {
+    (void)handle;
+    return 0;
+}
diff --git a/storm/file/SFileNative.cpp b/storm/file/SFileNative.cpp
new file mode 100644
index 0000000..c137c8d
--- /dev/null
+++ b/storm/file/SFileNative.cpp
@@ -0,0 +1,58 @@
+#include "storm/File.hpp"
+
+// TODO: implement native filesystem-backed SFile functions. same functionality as whoa's SFile?
+
+int32_t STORMAPI SFileOpenArchive(const char* archivename, int32_t priority, uint32_t flags, HSARCHIVE* handle) {
+    (void)archivename;
+    (void)priority;
+    (void)flags;
+    (void)handle;
+    return 0;
+}
+
+int32_t STORMAPI SFileCloseArchive(HSARCHIVE handle) {
+    (void)handle;
+    return 0;
+}
+
+int32_t STORMAPI SFileOpenFileEx(HSARCHIVE archivehandle, const char* filename, uint32_t flags, HSFILE* handle) {
+    (void)archivehandle;
+    (void)filename;
+    (void)flags;
+    (void)handle;
+    return 0;
+}
+
+int32_t STORMAPI SFileReadFile(HSFILE handle, void* buffer, uint32_t bytestoread, uint32_t* bytesread, LPOVERLAPPED overlapped) {
+    (void)handle;
+    (void)buffer;
+    (void)bytestoread;
+    (void)overlapped;
+    if (bytesread) {
+        *bytesread = 0;
+    }
+    return 0;
+}
+
+uint32_t STORMAPI SFileGetFileSize(HSFILE handle, uint32_t* filesizehigh) {
+    (void)handle;
+    if (filesizehigh) {
+        *filesizehigh = 0;
+    }
+    return 0;
+}
+
+uint32_t STORMAPI SFileSetFilePointer(HSFILE handle, int32_t distancetomove, int32_t* distancetomovehigh, uint32_t movemethod) {
+    (void)handle;
+    (void)distancetomove;
+    (void)movemethod;
+    if (distancetomovehigh) {
+        *distancetomovehigh = 0;
+    }
+    return 0;
+}
+
+int32_t STORMAPI SFileCloseFile(HSFILE handle) {
+    (void)handle;
+    return 0;
+}