More 3D Work

-=-=-=-=-=-

-ESM Shadow Mapping for softer and less glitchy shadows
-HDR Pipeline (convert to Linear on texture import, convert to SRGB at the end)
-Fix to xml parse bug

modules/gdscript/gd_functions.cpp

@@ -93,6 +93,7 @@ const char *GDFunctions::get_func_name(Function p_func) {
 		"load",
 		"inst2dict",
 		"dict2inst",
+		"hash",
 		"print_stack",
 	};
 
@@ -863,6 +864,12 @@ void GDFunctions::call(Function p_func,const Variant **p_args,int p_arg_count,Va
 
 			r_ret = gdscr->_new(NULL,0,r_error);
 
+		} break;
+		case HASH: {
+
+			VALIDATE_ARG_COUNT(1);
+			r_ret=p_args[0]->hash();
+
 		} break;
 
 		case PRINT_STACK: {
@@ -1238,6 +1245,12 @@ MethodInfo GDFunctions::get_info(Function p_func) {
 			mi.return_val.type=Variant::OBJECT;
 			return mi;
 		} break;
+		case HASH: {
+
+			MethodInfo mi("hash",PropertyInfo(Variant::NIL,"var:var"));
+			mi.return_val.type=Variant::INT;
+			return mi;
+		} break;
 
 		case PRINT_STACK: {
 			MethodInfo mi("print_stack");