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-rw-r--r--core/dvector.h28
-rw-r--r--core/variant_call.cpp2
2 files changed, 30 insertions, 0 deletions
diff --git a/core/dvector.h b/core/dvector.h
index a5519ed604..9a54641617 100644
--- a/core/dvector.h
+++ b/core/dvector.h
@@ -262,6 +262,34 @@ public:
w[bs+i]=r[i];
}
+ DVector<T> subarray(int p_from, int p_to) {
+
+ if (p_from<0) {
+ p_from=size()+p_from;
+ }
+ if (p_to<0) {
+ p_to=size()+p_to;
+ }
+ if (p_from<0 || p_from>=size()) {
+ DVector<T>& aux=*((DVector<T>*)0); // nullreturn
+ ERR_FAIL_COND_V(p_from<0 || p_from>=size(),aux)
+ }
+ if (p_to<0 || p_to>=size()) {
+ DVector<T>& aux=*((DVector<T>*)0); // nullreturn
+ ERR_FAIL_COND_V(p_to<0 || p_to>=size(),aux)
+ }
+
+ DVector<T> slice;
+ int span=1 + p_to - p_from;
+ slice.resize(span);
+ Read r = read();
+ Write w = slice.write();
+ for (int i=0; i<span; ++i) {
+ w[i] = r[p_from+i];
+ }
+
+ return slice;
+ }
Error insert(int p_pos,const T& p_val) {
diff --git a/core/variant_call.cpp b/core/variant_call.cpp
index 7da4cef115..8c11007a53 100644
--- a/core/variant_call.cpp
+++ b/core/variant_call.cpp
@@ -517,6 +517,7 @@ static void _call_##m_type##_##m_method(Variant& r_ret,Variant& p_self,const Var
VCALL_LOCALMEM1(ByteArray,append);
VCALL_LOCALMEM1(ByteArray,append_array);
VCALL_LOCALMEM0(ByteArray,invert);
+ VCALL_LOCALMEM2R(ByteArray,subarray);
VCALL_LOCALMEM0R(IntArray,size);
VCALL_LOCALMEM2(IntArray,set);
@@ -1532,6 +1533,7 @@ _VariantCall::addfunc(Variant::m_vtype,Variant::m_ret,_SCS(#m_method),VCALL(m_cl
ADDFUNC2(RAW_ARRAY,INT,ByteArray,insert,INT,"idx",INT,"byte",varray());
ADDFUNC1(RAW_ARRAY,NIL,ByteArray,resize,INT,"idx",varray());
ADDFUNC0(RAW_ARRAY,NIL,ByteArray,invert,varray());
+ ADDFUNC2(RAW_ARRAY,RAW_ARRAY,ByteArray,subarray,INT,"from",INT,"to",varray());
ADDFUNC0(RAW_ARRAY,STRING,ByteArray,get_string_from_ascii,varray());
ADDFUNC0(RAW_ARRAY,STRING,ByteArray,get_string_from_utf8,varray());