From a878cdc42bf41355758dabd353d521d4b12e73fc Mon Sep 17 00:00:00 2001
From: Stephen Enders <84310577289916ceefd4132143fb36b63a5f0c71>
Date: Wed, 22 Jun 2022 01:28:23 -0400
Subject: Add windows support

Create res.h for handling resource loading
Update CMakeLists.txt to ensure compilation is passed properly
Fix unsupported functions (<limits>) on Windows
Use to_str(path) to get path as c_str() returns wchar_t* on windows
---
 src/windows/res.h | 95 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 src/windows/res.h

(limited to 'src/windows/res.h')

diff --git a/src/windows/res.h b/src/windows/res.h
new file mode 100644
index 0000000..06b3209
--- /dev/null
+++ b/src/windows/res.h
@@ -0,0 +1,95 @@
+//========================================================================
+// dng
+//------------------------------------------------------------------------
+// Copyright (c) 2022 Steph Enders <steph@senders.io>
+//
+// This software is provided 'as-is', without any express or implied
+// warranty. In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+//    claim that you wrote the original software. If you use this software
+//    in a product, an acknowledgment in the product documentation would
+//    be appreciated but is not required.
+//
+// 2. Altered source versions must be plainly marked as such, and must not
+//    be misrepresented as being the original software.
+//
+// 3. This notice may not be removed or altered from any source
+//    distribution.
+//
+//========================================================================
+
+#ifndef DNG_RES_H
+#define DNG_RES_H
+
+#include <filesystem>
+#include <libloaderapi.h>
+#define MAX_BUF_SIZE 1024
+const std::filesystem::path DEFAULT_PROC{R"(dnglib\defaults.lua)"};
+const std::filesystem::path DEFAULT_FONT{R"(res\PressStart2P-vaV7.ttf)"};
+// TODO setup to allow switching to monospace instead of game font
+// const std::filesystem::path DEFAULT_MONOSPACE_FONT{
+//    "res/LiberationMono-Regular.ttf"};
+
+struct Res {
+
+  std::filesystem::path defaultsFile;
+  std::filesystem::path fontFile;
+
+} typedef Res;
+
+inline const char *to_str(const std::filesystem::path &file) {
+  std::setlocale(LC_ALL, "en_US.utf8"); // TODO more support?
+  const wchar_t *wstr = file.c_str();
+  size_t len = std::wcslen(wstr) + 1; // gotta get that \0
+  char *ret = static_cast<char *>(malloc(sizeof(char) * len)); // buffered
+  std::wcstombs(ret, file.c_str(), len);
+  return ret;
+}
+
+inline Res get_resources() {
+  using namespace std::filesystem;
+
+  auto current_dir = current_path();
+  char exe_dir_str[255];
+  GetModuleFileNameA(nullptr, exe_dir_str, 255);
+  auto exe_dir = path(exe_dir_str).remove_filename();
+  // TODO - Get from PATH or Reg?
+  auto install_dir = path{R"(C:\Program\ Files\ (x86)\dng)"};
+
+  Res res;
+  if (exists(current_dir / DEFAULT_PROC)) {
+    res.defaultsFile = current_dir / DEFAULT_PROC;
+  } else if (exists(exe_dir / DEFAULT_PROC)) {
+    res.defaultsFile = exe_dir / DEFAULT_PROC;
+  } else if (exists(install_dir / DEFAULT_PROC)) {
+    res.defaultsFile = install_dir / DEFAULT_PROC;
+  } else {
+    res.defaultsFile = DEFAULT_PROC; // just return w/ no path info
+  }
+  // TODO make configurable
+  path fontp = DEFAULT_FONT;
+  if (exists(current_dir / fontp)) {
+    res.fontFile = current_dir / fontp;
+  } else if (exists(exe_dir / fontp)) {
+    res.fontFile = exe_dir / fontp;
+  } else if (exists(install_dir / fontp)) {
+    res.fontFile = install_dir / fontp;
+  } else {
+    res.fontFile = fontp; // just return w/ no path info
+  }
+
+  return res;
+}
+
+#endif // DNG_RES_H
+
+#ifndef DNG_RES_H
+#define DNG_RES_H
+
+#endif // DNG_RES_H
-- 
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