feature(unicode): Implement UTF16 support with ICU4C.

Author: OmniBlade

.gitignore

@@ -58,4 +58,5 @@ IDL_*.loc
 /.cache
 .clang-format
 /.vscode
+/.vs
 /build*

CMakeLists.txt

@@ -77,6 +77,16 @@ if(WIN32)
     endif()
 
     include(dx9)
+
+    option(W3D_BUILD_OPTION_ICU "Build with ICU." OFF)
+    add_feature_info(ICUBuild W3D_BUILD_OPTION_ICU "Build OpenW3D with ICU")
+
+    if(W3D_BUILD_OPTION_ICU)
+        include(icu)
+    endif()
+else()
+    set(W3D_BUILD_OPTION_ICU ON)
+    include(icu)
 endif()
 
 include(gamespy)

Code/BinkMovie/subtitle.cpp

@@ -135,7 +135,7 @@ void SubTitleClass::Set_RGB_Color(
 *
 ******************************************************************************/
 
-void SubTitleClass::Set_Caption(wchar_t* string)
+void SubTitleClass::Set_Caption(unichar_t* string)
 {
 	// Release existing caption
 	if (mCaption != NULL) {
@@ -145,12 +145,12 @@ void SubTitleClass::Set_Caption(wchar_t* string)
 
 	// Make a copy of caption
 	if (string != NULL) {
-		size_t length = wcslen(string);
-		mCaption = new wchar_t[length + 1];
+		size_t length = u_strlen(string);
+		mCaption = new unichar_t[length + 1];
 		WWASSERT(mCaption != NULL);
 
 		if (mCaption != NULL) {
-			wcscpy(mCaption, string);
+			u_strcpy(mCaption, string);
 		}
 	}
 }

Code/BinkMovie/subtitle.h

@@ -43,7 +43,7 @@
 
 #include "always.h"
 #include "wwdebug.h"
-#include <wchar.h>
+#include "unichar.h"
 
 class SubTitleClass
 {
@@ -95,18 +95,18 @@ class SubTitleClass
 	Alignment Get_Alignment(void) const { return mAlignment; }
 
 	// Set the caption text
-	void Set_Caption(wchar_t* string);
+	void Set_Caption(unichar_t* string);
 
 	// Retrieve the caption text
-	const wchar_t* Get_Caption(void) const { return mCaption; }
+	const unichar_t* Get_Caption(void) const { return mCaption; }
 
 private:
 	unsigned int mTimeStamp;
 	unsigned int mDuration;
 	unsigned int mRGBColor;
 	int mLinePosition;
 	Alignment mAlignment;
-	wchar_t* mCaption;
+	unichar_t* mCaption;
 };
 
 #endif // _SUBTITLE_H_

Code/BinkMovie/subtitlemanager.cpp

@@ -314,7 +314,7 @@ void SubTitleManagerClass::Draw_Sub_Title(const SubTitleClass* subtitle)
 
 	Renderer.Reset();
 
-	const wchar_t* string = subtitle->Get_Caption();
+	const unichar_t* string = subtitle->Get_Caption();
 
 	int w,h,bits;
 	bool windowed;