feat: Initial impl of GUI

.gitmodules

@@ -1,3 +1,6 @@
 [submodule "external/vtflib"]
 	path = external/vtflib
 	url = https://github.com/JJL772/VTFLib
+[submodule "external/fmtlib"]
+	path = external/fmtlib
+	url = https://github.com/fmtlib/fmt

CMakeLists.txt

@@ -6,41 +6,66 @@ set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 set(CMAKE_CXX_STANDARD 20)
 
 # Project settings
-
-# Set to enable Qt for this project
-set(USING_QT OFF)
+option(BUILD_GUI "Build the VTFViewer GUI" ON)
 
 # Global flags, mainly for UNIX. Use $ORIGIN rpath & -fPIC
 set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 set(CMAKE_BUILD_RPATH_USE_ORIGIN ON)
 
+# Build vtflib as static lib
+set(VTFLIB_STATIC ON)
+add_subdirectory(external/vtflib)
+add_subdirectory(external/fmtlib)
+
+##############################
+# Common code
+##############################
+set(COMMON_SRC
+	src/common/image.cpp
+	src/common/enums.cpp)
+
+add_library(libcom STATIC ${COMMON_SRC})
+
+##############################
+# CLI
+##############################
+
 # Sources
 set(CLI_SRC
 		src/cli/main.cpp
 		src/cli/action_extract.cpp
-		src/cli/action_info.cpp
-		src/common/enums.cpp
-		src/common/image.cpp)
+		src/cli/action_info.cpp)
 
 add_executable(vtex2 ${CLI_SRC})
 
-# Qt support
-if (USING_QT)
+##############################
+# GUI
+##############################
+
+if (BUILD_GUI)
 	include(cmake_scripts/Qt.cmake)
-	find_package(Qt5 REQUIRED COMPONENTS Widgets Core Gui)
-	target_link_libraries(${PROJECTNAME} PRIVATE Qt5::Widgets Qt5::Core Qt5::Gui)
-	target_include_directories(${PROJECTNAME} PRIVATE ${QT_INCLUDE} ${QT_INCLUDE}/QtWidgets ${QT_INCLUDE}/QtGui ${QT_INCLUDE}/QtCore)
-endif()
 
+	set(VIEWER_SRC
+			src/gui/main.cpp
+			src/gui/viewer.cpp)
+
+	add_executable(vtfview ${VIEWER_SRC})
+endif()
 
 # Set up the debugger so it can run the program without copying a million dlls
 if(WIN32)
-	set_target_properties(vtex2 PROPERTIES VS_DEBUGGER_ENVIRONMENT "PATH=%PATH%;${QT_BASEDIR}/bin;")
+	set_target_properties(vtfview PROPERTIES VS_DEBUGGER_ENVIRONMENT "PATH=%PATH%;${QT_BASEDIR}/bin;")
 endif()
 
-# Build vtflib as static lib
-set(VTFLIB_STATIC ON)
-add_subdirectory(external/vtflib)
-
-target_link_libraries(vtex2 vtflib)
+target_link_libraries(vtex2 PRIVATE vtflib libcom fmt::fmt)
 target_include_directories(vtex2 PRIVATE src external)
+target_include_directories(libcom PRIVATE src external external/vtflib/lib)
+
+if (BUILD_GUI)
+	target_link_libraries(vtfview PRIVATE vtflib libcom fmt::fmt)
+	target_include_directories(vtfview PRIVATE src external)
+
+	find_package(Qt5 REQUIRED COMPONENTS Widgets Core Gui)
+	target_link_libraries(vtfview PRIVATE Qt5::Widgets Qt5::Core Qt5::Gui)
+	target_include_directories(vtfview PRIVATE ${QT_INCLUDE} ${QT_INCLUDE}/QtWidgets ${QT_INCLUDE}/QtGui ${QT_INCLUDE}/QtCore)
+endif()

src/common/enums.cpp

@@ -141,3 +141,16 @@ std::vector<std::string> TextureFlagsToStringVector(std::uint32_t flags) {
 
 	return ret;
 }
+
+const char* GetResourceName(vlUInt resource) {
+	switch(resource) {
+	case VTF_LEGACY_RSRC_LOW_RES_IMAGE: return "Low-res Image (Legacy";
+	case VTF_LEGACY_RSRC_IMAGE: return "Image (Legacy)";
+	case VTF_RSRC_SHEET: return "Sheet";
+	case VTF_RSRC_CRC: return "CRC";
+	case VTF_RSRC_TEXTURE_LOD_SETTINGS: return "Texture LOD Settings";
+	case VTF_RSRC_TEXTURE_SETTINGS_EX: return "Texture Settings Extended";
+	case VTF_RSRC_KEY_VALUE_DATA: return "KeyValue Data";
+	default: return "";
+	}
+}

src/common/enums.hpp

@@ -24,3 +24,8 @@ VTFImageFormat ImageFormatFromString(const char* arg);
  * Convert VTF flags to a user friendly list of strings
  */
 std::vector<std::string> TextureFlagsToStringVector(std::uint32_t flags);
+
+/**
+ * Get a human readable name for the resource
+ */
+const char* GetResourceName(vlUInt resource);

src/common/util.hpp

@@ -57,4 +57,9 @@ namespace util {
 	private:
 		T m_func;
 	};
+
+	template<class T, std::size_t N>
+	constexpr std::size_t ArraySize(T(&arr)[N]) {
+		return N;
+	}
 }

src/gui/main.cpp

@@ -0,0 +1,26 @@
+
+#include <QApplication>
+
+#include <cstdlib>
+#include <cstring>
+
+#include "viewer.hpp"
+#include "VTFLib.h"
+
+int main(int argc, char** argv) {
+	QApplication app(argc, argv);
+
+	std::string file;
+	if (argc > 1) {
+		file = argv[1];
+	}
+
+	auto* pMainWindow = new vtfview::ViewerMainWindow(nullptr);
+	if (file.length() && !pMainWindow->load_file(file.c_str())) {
+		fprintf(stderr, "Could not open vtf '%s'!\n", file.c_str());
+		return 1;
+	}
+	pMainWindow->show();
+
+	return app.exec();
+}