-Renamed GlobalConfig to ProjectSettings, makes more sense.

-Added system for feature overrides, it's pretty cool :)

core/os/dir_access.cpp

@@ -28,7 +28,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
 /*************************************************************************/
 #include "dir_access.h"
-#include "global_config.h"
+#include "project_settings.h"
 #include "os/file_access.h"
 #include "os/memory.h"
 #include "os/os.h"
@@ -37,7 +37,7 @@ String DirAccess::_get_root_path() const {
 
 	switch (_access_type) {
 
-		case ACCESS_RESOURCES: return GlobalConfig::get_singleton()->get_resource_path();
+		case ACCESS_RESOURCES: return ProjectSettings::get_singleton()->get_resource_path();
 		case ACCESS_USERDATA: return OS::get_singleton()->get_data_dir();
 		default: return "";
 	}
@@ -200,10 +200,10 @@ String DirAccess::fix_path(String p_path) const {
 
 		case ACCESS_RESOURCES: {
 
-			if (GlobalConfig::get_singleton()) {
+			if (ProjectSettings::get_singleton()) {
 				if (p_path.begins_with("res://")) {
 
-					String resource_path = GlobalConfig::get_singleton()->get_resource_path();
+					String resource_path = ProjectSettings::get_singleton()->get_resource_path();
 					if (resource_path != "") {
 
 						return p_path.replace_first("res:/", resource_path);

core/os/file_access.cpp

@@ -31,7 +31,7 @@
 
 #include "core/io/file_access_pack.h"
 #include "core/io/marshalls.h"
-#include "global_config.h"
+#include "project_settings.h"
 #include "os/os.h"
 
 #include "thirdparty/misc/md5.h"
@@ -135,10 +135,10 @@ String FileAccess::fix_path(const String &p_path) const {
 
 		case ACCESS_RESOURCES: {
 
-			if (GlobalConfig::get_singleton()) {
+			if (ProjectSettings::get_singleton()) {
 				if (r_path.begins_with("res://")) {
 
-					String resource_path = GlobalConfig::get_singleton()->get_resource_path();
+					String resource_path = ProjectSettings::get_singleton()->get_resource_path();
 					if (resource_path != "") {
 
 						return r_path.replace("res:/", resource_path);

core/os/input.cpp

@@ -28,7 +28,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
 /*************************************************************************/
 #include "input.h"
-#include "global_config.h"
+#include "project_settings.h"
 #include "input_map.h"
 #include "os/os.h"
 Input *Input::singleton = NULL;
@@ -101,7 +101,7 @@ void Input::get_argument_options(const StringName &p_function, int p_idx, List<S
 	if (p_idx == 0 && (pf == "is_action_pressed" || pf == "action_press" || pf == "action_release" || pf == "is_action_just_pressed" || pf == "is_action_just_released")) {
 
 		List<PropertyInfo> pinfo;
-		GlobalConfig::get_singleton()->get_property_list(&pinfo);
+		ProjectSettings::get_singleton()->get_property_list(&pinfo);
 
 		for (List<PropertyInfo>::Element *E = pinfo.front(); E; E = E->next()) {
 			const PropertyInfo &pi = E->get();

core/os/input_event.cpp

@@ -103,7 +103,7 @@ bool InputEvent::is_action_type() const {
 if (String(p_method) == "is_action" && p_argidx == 0) {
 
 	List<PropertyInfo> pinfo;
-	GlobalConfig::get_singleton()->get_property_list(&pinfo);
+	ProjectSettings::get_singleton()->get_property_list(&pinfo);
 
 	for (List<PropertyInfo>::Element *E = pinfo.front(); E; E = E->next()) {
 		const PropertyInfo &pi = E->get();

core/os/os.cpp

@@ -30,9 +30,9 @@
 #include "os.h"
 
 #include "dir_access.h"
-#include "global_config.h"
 #include "input.h"
 #include "os/file_access.h"
+#include "project_settings.h"
 
 #include <stdarg.h>
 
@@ -260,7 +260,7 @@ String OS::get_locale() const {
 
 String OS::get_resource_dir() const {
 
-	return GlobalConfig::get_singleton()->get_resource_path();
+	return ProjectSettings::get_singleton()->get_resource_path();
 }
 
 String OS::get_system_dir(SystemDir p_dir) const {
@@ -269,7 +269,7 @@ String OS::get_system_dir(SystemDir p_dir) const {
 }
 
 String OS::get_safe_application_name() const {
-	String an = GlobalConfig::get_singleton()->get("application/config/name");
+	String an = ProjectSettings::get_singleton()->get("application/config/name");
 	Vector<String> invalid_char = String("\\ / : * ? \" < > |").split(" ");
 	for (int i = 0; i < invalid_char.size(); i++) {
 		an = an.replace(invalid_char[i], "-");
@@ -494,6 +494,24 @@ int OS::get_power_percent_left() {
 	return -1;
 }
 
+bool OS::check_feature_support(const String &p_feature) {
+
+	if (p_feature == get_name())
+		return true;
+#ifdef DEBUG_ENABLED
+	if (p_feature == "debug")
+		return true;
+#else
+	if (p_feature == "release")
+		return true;
+#endif
+
+	if (_check_internal_feature_support(p_feature))
+		return true;
+
+	return false;
+}
+
 OS::OS() {
 	last_error = NULL;
 	singleton = this;

core/os/os.h

@@ -109,6 +109,7 @@ protected:
 	virtual void set_cmdline(const char *p_execpath, const List<String> &p_args);
 
 	void _ensure_data_dir();
+	virtual bool _check_internal_feature_support(const String &p_feature) = 0;
 
 public:
 	typedef int64_t ProcessID;
@@ -408,7 +409,7 @@ public:
 	virtual int get_power_seconds_left();
 	virtual int get_power_percent_left();
 
-	virtual bool check_feature_support(const String &p_feature) = 0;
+	bool check_feature_support(const String &p_feature);
 
 	bool is_hidpi_allowed() const { return _allow_hidpi; }
 	OS();