1 files changed, 213 insertions, 23 deletions

diff --git a/platform/linuxbsd/os_linuxbsd.cpp b/platform/linuxbsd/os_linuxbsd.cpp
index 86874687ad..61faf3061c 100644
--- a/platform/linuxbsd/os_linuxbsd.cpp
+++ b/platform/linuxbsd/os_linuxbsd.cpp
@@ -52,6 +52,10 @@
 #include <sys/types.h>
 #include <unistd.h>
 
+#ifdef FONTCONFIG_ENABLED
+#include "fontconfig-so_wrap.h"
+#endif
+
 void OS_LinuxBSD::alert(const String &p_alert, const String &p_title) {
 	const char *message_programs[] = { "zenity", "kdialog", "Xdialog", "xmessage" };
 
@@ -61,7 +65,7 @@ void OS_LinuxBSD::alert(const String &p_alert, const String &p_title) {
 
 	for (int i = 0; i < path_elems.size(); i++) {
 		for (uint64_t k = 0; k < sizeof(message_programs) / sizeof(char *); k++) {
-			String tested_path = path_elems[i].plus_file(message_programs[k]);
+			String tested_path = path_elems[i].path_join(message_programs[k]);
 
 			if (FileAccess::exists(tested_path)) {
 				program = tested_path;
@@ -131,20 +135,19 @@ void OS_LinuxBSD::initialize_joypads() {
 String OS_LinuxBSD::get_unique_id() const {
 	static String machine_id;
 	if (machine_id.is_empty()) {
-		if (FileAccess *f = FileAccess::open("/etc/machine-id", FileAccess::READ)) {
+		Ref<FileAccess> f = FileAccess::open("/etc/machine-id", FileAccess::READ);
+		if (f.is_valid()) {
 			while (machine_id.is_empty() && !f->eof_reached()) {
 				machine_id = f->get_line().strip_edges();
 			}
-			f->close();
-			memdelete(f);
 		}
 	}
 	return machine_id;
 }
 
 String OS_LinuxBSD::get_processor_name() const {
-	FileAccessRef f = FileAccess::open("/proc/cpuinfo", FileAccess::READ);
-	ERR_FAIL_COND_V_MSG(!f, "", String("Couldn't open `/proc/cpuinfo` to get the CPU model name. Returning an empty string."));
+	Ref<FileAccess> f = FileAccess::open("/proc/cpuinfo", FileAccess::READ);
+	ERR_FAIL_COND_V_MSG(f.is_null(), "", String("Couldn't open `/proc/cpuinfo` to get the CPU model name. Returning an empty string."));
 
 	while (!f->eof_reached()) {
 		const String line = f->get_line();
@@ -243,16 +246,196 @@ bool OS_LinuxBSD::_check_internal_feature_support(const String &p_feature) {
 	return p_feature == "pc";
 }
 
+uint64_t OS_LinuxBSD::get_embedded_pck_offset() const {
+	Ref<FileAccess> f = FileAccess::open(get_executable_path(), FileAccess::READ);
+	if (f.is_null()) {
+		return 0;
+	}
+
+	// Read and check ELF magic number.
+	{
+		uint32_t magic = f->get_32();
+		if (magic != 0x464c457f) { // 0x7F + "ELF"
+			return 0;
+		}
+	}
+
+	// Read program architecture bits from class field.
+	int bits = f->get_8() * 32;
+
+	// Get info about the section header table.
+	int64_t section_table_pos;
+	int64_t section_header_size;
+	if (bits == 32) {
+		section_header_size = 40;
+		f->seek(0x20);
+		section_table_pos = f->get_32();
+		f->seek(0x30);
+	} else { // 64
+		section_header_size = 64;
+		f->seek(0x28);
+		section_table_pos = f->get_64();
+		f->seek(0x3c);
+	}
+	int num_sections = f->get_16();
+	int string_section_idx = f->get_16();
+
+	// Load the strings table.
+	uint8_t *strings;
+	{
+		// Jump to the strings section header.
+		f->seek(section_table_pos + string_section_idx * section_header_size);
+
+		// Read strings data size and offset.
+		int64_t string_data_pos;
+		int64_t string_data_size;
+		if (bits == 32) {
+			f->seek(f->get_position() + 0x10);
+			string_data_pos = f->get_32();
+			string_data_size = f->get_32();
+		} else { // 64
+			f->seek(f->get_position() + 0x18);
+			string_data_pos = f->get_64();
+			string_data_size = f->get_64();
+		}
+
+		// Read strings data.
+		f->seek(string_data_pos);
+		strings = (uint8_t *)memalloc(string_data_size);
+		if (!strings) {
+			return 0;
+		}
+		f->get_buffer(strings, string_data_size);
+	}
+
+	// Search for the "pck" section.
+	int64_t off = 0;
+	for (int i = 0; i < num_sections; ++i) {
+		int64_t section_header_pos = section_table_pos + i * section_header_size;
+		f->seek(section_header_pos);
+
+		uint32_t name_offset = f->get_32();
+		if (strcmp((char *)strings + name_offset, "pck") == 0) {
+			if (bits == 32) {
+				f->seek(section_header_pos + 0x10);
+				off = f->get_32();
+			} else { // 64
+				f->seek(section_header_pos + 0x18);
+				off = f->get_64();
+			}
+			break;
+		}
+	}
+	memfree(strings);
+
+	return off;
+}
+
+Vector<String> OS_LinuxBSD::get_system_fonts() const {
+#ifdef FONTCONFIG_ENABLED
+	if (!font_config_initialized) {
+		ERR_FAIL_V_MSG(Vector<String>(), "Unable to load fontconfig, system font support is disabled.");
+	}
+	HashSet<String> font_names;
+	Vector<String> ret;
+
+	FcConfig *config = FcInitLoadConfigAndFonts();
+	ERR_FAIL_COND_V(!config, ret);
+
+	FcObjectSet *object_set = FcObjectSetBuild(FC_FAMILY, nullptr);
+	ERR_FAIL_COND_V(!object_set, ret);
+
+	static const char *allowed_formats[] = { "TrueType", "CFF" };
+	for (size_t i = 0; i < sizeof(allowed_formats) / sizeof(const char *); i++) {
+		FcPattern *pattern = FcPatternCreate();
+		ERR_CONTINUE(!pattern);
+
+		FcPatternAddBool(pattern, FC_SCALABLE, FcTrue);
+		FcPatternAddString(pattern, FC_FONTFORMAT, reinterpret_cast<const FcChar8 *>(allowed_formats[i]));
+
+		FcFontSet *font_set = FcFontList(config, pattern, object_set);
+		if (font_set) {
+			for (int j = 0; j < font_set->nfont; j++) {
+				char *family_name = nullptr;
+				if (FcPatternGetString(font_set->fonts[j], FC_FAMILY, 0, reinterpret_cast<FcChar8 **>(&family_name)) == FcResultMatch) {
+					if (family_name) {
+						font_names.insert(String::utf8(family_name));
+					}
+				}
+			}
+			FcFontSetDestroy(font_set);
+		}
+		FcPatternDestroy(pattern);
+	}
+	FcObjectSetDestroy(object_set);
+	FcConfigDestroy(config);
+
+	for (const String &E : font_names) {
+		ret.push_back(E);
+	}
+	return ret;
+#else
+	ERR_FAIL_V_MSG(Vector<String>(), "Godot was compiled without fontconfig, system font support is disabled.");
+#endif
+}
+
+String OS_LinuxBSD::get_system_font_path(const String &p_font_name, bool p_bold, bool p_italic) const {
+#ifdef FONTCONFIG_ENABLED
+	if (!font_config_initialized) {
+		ERR_FAIL_V_MSG(String(), "Unable to load fontconfig, system font support is disabled.");
+	}
+
+	String ret;
+
+	FcConfig *config = FcInitLoadConfigAndFonts();
+	ERR_FAIL_COND_V(!config, ret);
+
+	FcObjectSet *object_set = FcObjectSetBuild(FC_FAMILY, FC_FILE, nullptr);
+	ERR_FAIL_COND_V(!object_set, ret);
+
+	FcPattern *pattern = FcPatternCreate();
+	if (pattern) {
+		FcPatternAddBool(pattern, FC_SCALABLE, FcTrue);
+		FcPatternAddString(pattern, FC_FAMILY, reinterpret_cast<const FcChar8 *>(p_font_name.utf8().get_data()));
+		FcPatternAddInteger(pattern, FC_WEIGHT, p_bold ? FC_WEIGHT_BOLD : FC_WEIGHT_NORMAL);
+		FcPatternAddInteger(pattern, FC_SLANT, p_italic ? FC_SLANT_ITALIC : FC_SLANT_ROMAN);
+
+		FcConfigSubstitute(0, pattern, FcMatchPattern);
+		FcDefaultSubstitute(pattern);
+
+		FcResult result;
+		FcPattern *match = FcFontMatch(0, pattern, &result);
+		if (match) {
+			char *file_name = nullptr;
+			if (FcPatternGetString(match, FC_FILE, 0, reinterpret_cast<FcChar8 **>(&file_name)) == FcResultMatch) {
+				if (file_name) {
+					ret = String::utf8(file_name);
+				}
+			}
+
+			FcPatternDestroy(match);
+		}
+		FcPatternDestroy(pattern);
+	}
+	FcObjectSetDestroy(object_set);
+	FcConfigDestroy(config);
+
+	return ret;
+#else
+	ERR_FAIL_V_MSG(String(), "Godot was compiled without fontconfig, system font support is disabled.");
+#endif
+}
+
 String OS_LinuxBSD::get_config_path() const {
 	if (has_environment("XDG_CONFIG_HOME")) {
 		if (get_environment("XDG_CONFIG_HOME").is_absolute_path()) {
 			return get_environment("XDG_CONFIG_HOME");
 		} else {
 			WARN_PRINT_ONCE("`XDG_CONFIG_HOME` is a relative path. Ignoring its value and falling back to `$HOME/.config` or `.` per the XDG Base Directory specification.");
-			return has_environment("HOME") ? get_environment("HOME").plus_file(".config") : ".";
+			return has_environment("HOME") ? get_environment("HOME").path_join(".config") : ".";
 		}
 	} else if (has_environment("HOME")) {
-		return get_environment("HOME").plus_file(".config");
+		return get_environment("HOME").path_join(".config");
 	} else {
 		return ".";
 	}
@@ -264,10 +447,10 @@ String OS_LinuxBSD::get_data_path() const {
 			return get_environment("XDG_DATA_HOME");
 		} else {
 			WARN_PRINT_ONCE("`XDG_DATA_HOME` is a relative path. Ignoring its value and falling back to `$HOME/.local/share` or `get_config_path()` per the XDG Base Directory specification.");
-			return has_environment("HOME") ? get_environment("HOME").plus_file(".local/share") : get_config_path();
+			return has_environment("HOME") ? get_environment("HOME").path_join(".local/share") : get_config_path();
 		}
 	} else if (has_environment("HOME")) {
-		return get_environment("HOME").plus_file(".local/share");
+		return get_environment("HOME").path_join(".local/share");
 	} else {
 		return get_config_path();
 	}
@@ -279,10 +462,10 @@ String OS_LinuxBSD::get_cache_path() const {
 			return get_environment("XDG_CACHE_HOME");
 		} else {
 			WARN_PRINT_ONCE("`XDG_CACHE_HOME` is a relative path. Ignoring its value and falling back to `$HOME/.cache` or `get_config_path()` per the XDG Base Directory specification.");
-			return has_environment("HOME") ? get_environment("HOME").plus_file(".cache") : get_config_path();
+			return has_environment("HOME") ? get_environment("HOME").path_join(".cache") : get_config_path();
 		}
 	} else if (has_environment("HOME")) {
-		return get_environment("HOME").plus_file(".cache");
+		return get_environment("HOME").path_join(".cache");
 	} else {
 		return get_config_path();
 	}
@@ -336,8 +519,6 @@ String OS_LinuxBSD::get_system_dir(SystemDir p_dir, bool p_shared_storage) const
 }
 
 void OS_LinuxBSD::run() {
-	force_quit = false;
-
 	if (!main_loop) {
 		return;
 	}
@@ -349,7 +530,7 @@ void OS_LinuxBSD::run() {
 	//int frames=0;
 	//uint64_t frame=0;
 
-	while (!force_quit) {
+	while (true) {
 		DisplayServer::get_singleton()->process_events(); // get rid of pending events
 #ifdef JOYDEV_ENABLED
 		joypad->process_joypads();
@@ -465,7 +646,7 @@ Error OS_LinuxBSD::move_to_trash(const String &p_path) {
 
 	// Create needed directories for decided trash can location.
 	{
-		DirAccessRef dir_access = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
+		Ref<DirAccess> dir_access = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
 		Error err = dir_access->make_dir_recursive(trash_path);
 
 		// Issue an error if trash can is not created properly.
@@ -512,13 +693,14 @@ Error OS_LinuxBSD::move_to_trash(const String &p_path) {
 	String trash_info = "[Trash Info]\nPath=" + path.uri_encode() + "\nDeletionDate=" + timestamp + "\n";
 	{
 		Error err;
-		FileAccessRef file = FileAccess::open(trash_path + "/info/" + file_name + ".trashinfo", FileAccess::WRITE, &err);
-		ERR_FAIL_COND_V_MSG(err != OK, err, "Can't create trashinfo file: \"" + trash_path + "/info/" + file_name + ".trashinfo\"");
-		file->store_string(trash_info);
-		file->close();
+		{
+			Ref<FileAccess> file = FileAccess::open(trash_path + "/info/" + file_name + ".trashinfo", FileAccess::WRITE, &err);
+			ERR_FAIL_COND_V_MSG(err != OK, err, "Can't create trashinfo file: \"" + trash_path + "/info/" + file_name + ".trashinfo\"");
+			file->store_string(trash_info);
+		}
 
 		// Rename our resource before moving it to the trash can.
-		DirAccessRef dir_access = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
+		Ref<DirAccess> dir_access = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
 		err = dir_access->rename(path, renamed_path);
 		ERR_FAIL_COND_V_MSG(err != OK, err, "Can't rename file \"" + path + "\" to \"" + renamed_path + "\"");
 	}
@@ -535,7 +717,7 @@ Error OS_LinuxBSD::move_to_trash(const String &p_path) {
 		// Issue an error if "mv" failed to move the given resource to the trash can.
 		if (err != OK || retval != 0) {
 			ERR_PRINT("move_to_trash: Could not move the resource \"" + path + "\" to the trash can \"" + trash_path + "/files\"");
-			DirAccessRef dir_access = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
+			Ref<DirAccess> dir_access = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
 			err = dir_access->rename(renamed_path, path);
 			ERR_FAIL_COND_V_MSG(err != OK, err, "Could not rename \"" + renamed_path + "\" back to its original name: \"" + path + "\"");
 			return FAILED;
@@ -546,7 +728,6 @@ Error OS_LinuxBSD::move_to_trash(const String &p_path) {
 
 OS_LinuxBSD::OS_LinuxBSD() {
 	main_loop = nullptr;
-	force_quit = false;
 
 #ifdef PULSEAUDIO_ENABLED
 	AudioDriverManager::add_driver(&driver_pulseaudio);
@@ -559,4 +740,13 @@ OS_LinuxBSD::OS_LinuxBSD() {
 #ifdef X11_ENABLED
 	DisplayServerX11::register_x11_driver();
 #endif
+
+#ifdef FONTCONFIG_ENABLED
+#ifdef DEBUG_ENABLED
+	int dylibloader_verbose = 1;
+#else
+	int dylibloader_verbose = 0;
+#endif
+	font_config_initialized = (initialize_fontconfig(dylibloader_verbose) == 0);
+#endif // FONTCONFIG_ENABLED
 }