From cc3abbe92c4bcc74fcd779ed45b634626de07e4b Mon Sep 17 00:00:00 2001
From: Anders Jenbo <anders@jenbo.dk>
Date: Wed, 20 Mar 2019 03:34:50 +0100
Subject: [PATCH] Implement screen shots

---
 SourceX/dx.cpp              | 19 ++++++++++++++++---
 SourceX/miniwin/misc.cpp    | 30 +++++++++++++++++++++++-------
 SourceX/miniwin/misc_io.cpp |  2 +-
 3 files changed, 40 insertions(+), 11 deletions(-)

diff --git a/SourceX/dx.cpp b/SourceX/dx.cpp
index 274566096..0b93c0617 100644
--- a/SourceX/dx.cpp
+++ b/SourceX/dx.cpp
@@ -222,7 +222,13 @@ class StubPalette : public IDirectDrawPalette {
 	};
 	virtual HRESULT GetEntries(DWORD dwFlags, DWORD dwBase, DWORD dwNumEntries, LPPALETTEENTRY lpEntries)
 	{
-		UNIMPLEMENTED();
+		for (int i = 0; i < dwNumEntries; i++) {
+			lpEntries[i].peFlags = 0;
+			lpEntries[i].peRed = system_palette[i].peRed;
+			lpEntries[i].peGreen = system_palette[i].peGreen;
+			lpEntries[i].peBlue = system_palette[i].peBlue;
+		}
+		return DVL_S_OK;
 	};
 	virtual HRESULT Initialize(LPDIRECTDRAW lpDD, DWORD dwFlags, LPPALETTEENTRY lpDDColorTable)
 	{
@@ -230,7 +236,14 @@ class StubPalette : public IDirectDrawPalette {
 	};
 	virtual HRESULT SetEntries(DWORD dwFlags, DWORD dwStartingEntry, DWORD dwCount, LPPALETTEENTRY lpEntries)
 	{
-		UNIMPLEMENTED();
+		for (int i = 0; i < dwCount; i++) {
+			system_palette[i].peFlags = 0;
+			system_palette[i].peRed = lpEntries[i].peRed;
+			system_palette[i].peGreen = lpEntries[i].peGreen;
+			system_palette[i].peBlue = lpEntries[i].peBlue;
+		}
+		palette_update();
+		return DVL_S_OK;
 	};
 };
 
@@ -448,4 +461,4 @@ void dx_reinit()
 	UNIMPLEMENTED();
 }
 
-}  // namespace dvl
+} // namespace dvl
diff --git a/SourceX/miniwin/misc.cpp b/SourceX/miniwin/misc.cpp
index b9d0079a7..8f0ae15e5 100644
--- a/SourceX/miniwin/misc.cpp
+++ b/SourceX/miniwin/misc.cpp
@@ -4,6 +4,8 @@
 #include "stubs.h"
 #include "dx.h"
 #include "DiabloUI/diabloui.h"
+#include <glob.h>
+#include <string>
 
 namespace dvl {
 
@@ -405,15 +407,29 @@ void GetLocalTime(LPSYSTEMTIME lpSystemTime)
 	UNIMPLEMENTED();
 }
 
-long _findfirst(const char *, struct DVL_finddata_t *)
+glob_t globbuf;
+int _findfirsti;
+/**
+ * @return The value is not unique, but the engine only users one at a time
+ */
+long _findfirst(const char *pattern, struct DVL_finddata_t *finder)
 {
-	UNIMPLEMENTED();
-	return -1;
+	glob(pattern, 0, NULL, &globbuf);
+	_findfirsti = 0;
+	return _findnext(0, finder);
 }
 
-int _findnext(long, struct DVL_finddata_t *)
+int _findnext(long, struct DVL_finddata_t *finder)
 {
-	UNIMPLEMENTED();
+	while (_findfirsti < globbuf.gl_pathc) {
+		strncpy(finder->name, globbuf.gl_pathv[_findfirsti], DVL_MAX_PATH);
+		_findfirsti++;
+		return 0;
+	}
+
+	if (globbuf.gl_pathc > 0)
+		globfree(&globbuf);
+
 	return -1;
 }
 
@@ -583,7 +599,7 @@ DWORD GetCurrentProcessId()
 }
 
 HANDLE CreateFileMappingA(HANDLE hFile, LPSECURITY_ATTRIBUTES lpFileMappingAttributes, DWORD flProtect,
-                          DWORD dwMaximumSizeHigh, DWORD dwMaximumSizeLow, LPCSTR lpName)
+    DWORD dwMaximumSizeHigh, DWORD dwMaximumSizeLow, LPCSTR lpName)
 {
 	UNIMPLEMENTED();
 }
@@ -621,7 +637,7 @@ DWORD GetPrivateProfileStringA(LPCSTR lpAppName, LPCSTR lpKeyName, LPCSTR lpDefa
 		strncpy(lpReturnedString, lpDefault, nSize);
 		SRegSaveString(lpAppName, lpKeyName, 0, lpReturnedString);
 	}
-	return 0;  // dummy return value
+	return 0; // dummy return value
 }
 
 int MessageBoxA(HWND hWnd, const char *Text, const char *Title, UINT Flags)
diff --git a/SourceX/miniwin/misc_io.cpp b/SourceX/miniwin/misc_io.cpp
index 0cb447c4c..a7e6facf8 100644
--- a/SourceX/miniwin/misc_io.cpp
+++ b/SourceX/miniwin/misc_io.cpp
@@ -28,7 +28,7 @@ HANDLE CreateFileA(LPCSTR lpFileName, DWORD dwDesiredAccess, DWORD dwShareMode,
 	char name[DVL_MAX_PATH];
 	TranslateFileName(name, sizeof(name), lpFileName);
 	DUMMY_PRINT("file: %s (%s)", lpFileName, name);
-	UNIMPLEMENTED_UNLESS(dwDesiredAccess == (DVL_GENERIC_READ | DVL_GENERIC_WRITE));
+	UNIMPLEMENTED_UNLESS(!(dwDesiredAccess & ~(DVL_GENERIC_READ | DVL_GENERIC_WRITE)));
 	memfile* file = new memfile;
 	file->path = name;
 	if (dwCreationDisposition == DVL_OPEN_EXISTING) {