Add fill method to Array and PoolArrays

Co-authored-by: Matheus Lima Cunha <matheus.limacunha@hotmail.com>

core/array.cpp

@@ -143,6 +143,10 @@ void Array::insert(int p_pos, const Variant &p_value) {
 	_p->array.insert(p_pos, p_value);
 }
 
+void Array::fill(const Variant &p_value) {
+	_p->array.fill(p_value);
+}
+
 void Array::erase(const Variant &p_value) {
 	_p->array.erase(p_value);
 }

core/array.h

@@ -69,6 +69,7 @@ class Array {
 
 	void insert(int p_pos, const Variant &p_value);
 	void remove(int p_pos);
+	void fill(const Variant &p_value);
 
 	Variant front() const;
 	Variant back() const;

core/local_vector.h

@@ -179,6 +179,12 @@ class LocalVector {
 		return data[p_index];
 	}
 
+	void fill(T p_val) {
+		for (U i = 0; i < count; i++) {
+			data[i] = p_val;
+		}
+	}
+
 	void insert(U p_pos, T p_val) {
 		ERR_FAIL_UNSIGNED_INDEX(p_pos, count + 1);
 		if (p_pos == count) {

core/pool_vector.h

@@ -377,6 +377,7 @@ class PoolVector {
 	inline bool empty() const;
 	T get(int p_index) const;
 	void set(int p_index, const T &p_val);
+	void fill(const T &p_val);
 	void push_back(const T &p_val);
 	void append(const T &p_val) { push_back(p_val); }
 	void append_array(const PoolVector<T> &p_arr) {
@@ -482,6 +483,14 @@ void PoolVector<T>::set(int p_index, const T &p_val) {
 	w[p_index] = p_val;
 }
 
+template <class T>
+void PoolVector<T>::fill(const T &p_val) {
+	Write w = write();
+	for (int i = 0; i < size(); i++) {
+		w[i] = p_val;
+	}
+}
+
 template <class T>
 void PoolVector<T>::push_back(const T &p_val) {
 	resize(size() + 1);

core/variant_call.cpp

@@ -571,6 +571,7 @@ struct _VariantCall {
 	VCALL_LOCALMEM1R(Array, pop_at);
 	VCALL_LOCALMEM1(Array, append);
 	VCALL_LOCALMEM1(Array, append_array);
+	VCALL_LOCALMEM1(Array, fill);
 	VCALL_LOCALMEM1(Array, resize);
 	VCALL_LOCALMEM2(Array, insert);
 	VCALL_LOCALMEM1(Array, remove);
@@ -692,6 +693,7 @@ struct _VariantCall {
 	VCALL_LOCALMEM2(PoolByteArray, set);
 	VCALL_LOCALMEM1R(PoolByteArray, get);
 	VCALL_LOCALMEM1(PoolByteArray, push_back);
+	VCALL_LOCALMEM1(PoolByteArray, fill);
 	VCALL_LOCALMEM1(PoolByteArray, resize);
 	VCALL_LOCALMEM2R(PoolByteArray, insert);
 	VCALL_LOCALMEM1(PoolByteArray, remove);
@@ -705,6 +707,7 @@ struct _VariantCall {
 	VCALL_LOCALMEM2(PoolIntArray, set);
 	VCALL_LOCALMEM1R(PoolIntArray, get);
 	VCALL_LOCALMEM1(PoolIntArray, push_back);
+	VCALL_LOCALMEM1(PoolIntArray, fill);
 	VCALL_LOCALMEM1(PoolIntArray, resize);
 	VCALL_LOCALMEM2R(PoolIntArray, insert);
 	VCALL_LOCALMEM1(PoolIntArray, remove);
@@ -717,6 +720,7 @@ struct _VariantCall {
 	VCALL_LOCALMEM2(PoolRealArray, set);
 	VCALL_LOCALMEM1R(PoolRealArray, get);
 	VCALL_LOCALMEM1(PoolRealArray, push_back);
+	VCALL_LOCALMEM1(PoolRealArray, fill);
 	VCALL_LOCALMEM1(PoolRealArray, resize);
 	VCALL_LOCALMEM2R(PoolRealArray, insert);
 	VCALL_LOCALMEM1(PoolRealArray, remove);
@@ -729,6 +733,7 @@ struct _VariantCall {
 	VCALL_LOCALMEM2(PoolStringArray, set);
 	VCALL_LOCALMEM1R(PoolStringArray, get);
 	VCALL_LOCALMEM1(PoolStringArray, push_back);
+	VCALL_LOCALMEM1(PoolStringArray, fill);
 	VCALL_LOCALMEM1(PoolStringArray, resize);
 	VCALL_LOCALMEM2R(PoolStringArray, insert);
 	VCALL_LOCALMEM1(PoolStringArray, remove);
@@ -742,6 +747,7 @@ struct _VariantCall {
 	VCALL_LOCALMEM2(PoolVector2Array, set);
 	VCALL_LOCALMEM1R(PoolVector2Array, get);
 	VCALL_LOCALMEM1(PoolVector2Array, push_back);
+	VCALL_LOCALMEM1(PoolVector2Array, fill);
 	VCALL_LOCALMEM1(PoolVector2Array, resize);
 	VCALL_LOCALMEM2R(PoolVector2Array, insert);
 	VCALL_LOCALMEM1(PoolVector2Array, remove);
@@ -754,6 +760,7 @@ struct _VariantCall {
 	VCALL_LOCALMEM2(PoolVector3Array, set);
 	VCALL_LOCALMEM1R(PoolVector3Array, get);
 	VCALL_LOCALMEM1(PoolVector3Array, push_back);
+	VCALL_LOCALMEM1(PoolVector3Array, fill);
 	VCALL_LOCALMEM1(PoolVector3Array, resize);
 	VCALL_LOCALMEM2R(PoolVector3Array, insert);
 	VCALL_LOCALMEM1(PoolVector3Array, remove);
@@ -766,6 +773,7 @@ struct _VariantCall {
 	VCALL_LOCALMEM2(PoolColorArray, set);
 	VCALL_LOCALMEM1R(PoolColorArray, get);
 	VCALL_LOCALMEM1(PoolColorArray, push_back);
+	VCALL_LOCALMEM1(PoolColorArray, fill);
 	VCALL_LOCALMEM1(PoolColorArray, resize);
 	VCALL_LOCALMEM2R(PoolColorArray, insert);
 	VCALL_LOCALMEM1(PoolColorArray, remove);
@@ -1898,6 +1906,7 @@ void register_variant_methods() {
 	ADDFUNC0R(ARRAY, INT, Array, hash, varray());
 	ADDFUNC1NC(ARRAY, NIL, Array, push_back, NIL, "value", varray());
 	ADDFUNC1NC(ARRAY, NIL, Array, push_front, NIL, "value", varray());
+	ADDFUNC1NC(ARRAY, NIL, Array, fill, NIL, "value", varray());
 	ADDFUNC1NC(ARRAY, NIL, Array, append, NIL, "value", varray());
 	ADDFUNC1NC(ARRAY, NIL, Array, append_array, ARRAY, "array", varray());
 	ADDFUNC1NC(ARRAY, NIL, Array, resize, INT, "size", varray());
@@ -1929,6 +1938,7 @@ void register_variant_methods() {
 	ADDFUNC0R(POOL_BYTE_ARRAY, BOOL, PoolByteArray, empty, varray());
 	ADDFUNC2(POOL_BYTE_ARRAY, NIL, PoolByteArray, set, INT, "idx", INT, "byte", varray());
 	ADDFUNC1(POOL_BYTE_ARRAY, NIL, PoolByteArray, push_back, INT, "byte", varray());
+	ADDFUNC1(POOL_BYTE_ARRAY, NIL, PoolByteArray, fill, INT, "byte", varray());
 	ADDFUNC1(POOL_BYTE_ARRAY, NIL, PoolByteArray, append, INT, "byte", varray());
 	ADDFUNC1(POOL_BYTE_ARRAY, NIL, PoolByteArray, append_array, POOL_BYTE_ARRAY, "array", varray());
 	ADDFUNC1(POOL_BYTE_ARRAY, NIL, PoolByteArray, remove, INT, "idx", varray());
@@ -1948,6 +1958,7 @@ void register_variant_methods() {
 	ADDFUNC0R(POOL_INT_ARRAY, BOOL, PoolIntArray, empty, varray());
 	ADDFUNC2(POOL_INT_ARRAY, NIL, PoolIntArray, set, INT, "idx", INT, "integer", varray());
 	ADDFUNC1(POOL_INT_ARRAY, NIL, PoolIntArray, push_back, INT, "integer", varray());
+	ADDFUNC1(POOL_INT_ARRAY, NIL, PoolIntArray, fill, INT, "integer", varray());
 	ADDFUNC1(POOL_INT_ARRAY, NIL, PoolIntArray, append, INT, "integer", varray());
 	ADDFUNC1(POOL_INT_ARRAY, NIL, PoolIntArray, append_array, POOL_INT_ARRAY, "array", varray());
 	ADDFUNC1(POOL_INT_ARRAY, NIL, PoolIntArray, remove, INT, "idx", varray());
@@ -1959,6 +1970,7 @@ void register_variant_methods() {
 	ADDFUNC0R(POOL_REAL_ARRAY, BOOL, PoolRealArray, empty, varray());
 	ADDFUNC2(POOL_REAL_ARRAY, NIL, PoolRealArray, set, INT, "idx", REAL, "value", varray());
 	ADDFUNC1(POOL_REAL_ARRAY, NIL, PoolRealArray, push_back, REAL, "value", varray());
+	ADDFUNC1(POOL_REAL_ARRAY, NIL, PoolRealArray, fill, REAL, "value", varray());
 	ADDFUNC1(POOL_REAL_ARRAY, NIL, PoolRealArray, append, REAL, "value", varray());
 	ADDFUNC1(POOL_REAL_ARRAY, NIL, PoolRealArray, append_array, POOL_REAL_ARRAY, "array", varray());
 	ADDFUNC1(POOL_REAL_ARRAY, NIL, PoolRealArray, remove, INT, "idx", varray());
@@ -1970,6 +1982,7 @@ void register_variant_methods() {
 	ADDFUNC0R(POOL_STRING_ARRAY, BOOL, PoolStringArray, empty, varray());
 	ADDFUNC2(POOL_STRING_ARRAY, NIL, PoolStringArray, set, INT, "idx", STRING, "string", varray());
 	ADDFUNC1(POOL_STRING_ARRAY, NIL, PoolStringArray, push_back, STRING, "string", varray());
+	ADDFUNC1(POOL_STRING_ARRAY, NIL, PoolStringArray, fill, STRING, "string", varray());
 	ADDFUNC1(POOL_STRING_ARRAY, NIL, PoolStringArray, append, STRING, "string", varray());
 	ADDFUNC1(POOL_STRING_ARRAY, NIL, PoolStringArray, append_array, POOL_STRING_ARRAY, "array", varray());
 	ADDFUNC1(POOL_STRING_ARRAY, NIL, PoolStringArray, remove, INT, "idx", varray());
@@ -1982,6 +1995,7 @@ void register_variant_methods() {
 	ADDFUNC0R(POOL_VECTOR2_ARRAY, BOOL, PoolVector2Array, empty, varray());
 	ADDFUNC2(POOL_VECTOR2_ARRAY, NIL, PoolVector2Array, set, INT, "idx", VECTOR2, "vector2", varray());
 	ADDFUNC1(POOL_VECTOR2_ARRAY, NIL, PoolVector2Array, push_back, VECTOR2, "vector2", varray());
+	ADDFUNC1(POOL_VECTOR2_ARRAY, NIL, PoolVector2Array, fill, VECTOR2, "vector2", varray());
 	ADDFUNC1(POOL_VECTOR2_ARRAY, NIL, PoolVector2Array, append, VECTOR2, "vector2", varray());
 	ADDFUNC1(POOL_VECTOR2_ARRAY, NIL, PoolVector2Array, append_array, POOL_VECTOR2_ARRAY, "array", varray());
 	ADDFUNC1(POOL_VECTOR2_ARRAY, NIL, PoolVector2Array, remove, INT, "idx", varray());
@@ -1993,6 +2007,7 @@ void register_variant_methods() {
 	ADDFUNC0R(POOL_VECTOR3_ARRAY, BOOL, PoolVector3Array, empty, varray());
 	ADDFUNC2(POOL_VECTOR3_ARRAY, NIL, PoolVector3Array, set, INT, "idx", VECTOR3, "vector3", varray());
 	ADDFUNC1(POOL_VECTOR3_ARRAY, NIL, PoolVector3Array, push_back, VECTOR3, "vector3", varray());
+	ADDFUNC1(POOL_VECTOR3_ARRAY, NIL, PoolVector3Array, fill, VECTOR3, "vector3", varray());
 	ADDFUNC1(POOL_VECTOR3_ARRAY, NIL, PoolVector3Array, append, VECTOR3, "vector3", varray());
 	ADDFUNC1(POOL_VECTOR3_ARRAY, NIL, PoolVector3Array, append_array, POOL_VECTOR3_ARRAY, "array", varray());
 	ADDFUNC1(POOL_VECTOR3_ARRAY, NIL, PoolVector3Array, remove, INT, "idx", varray());
@@ -2004,6 +2019,7 @@ void register_variant_methods() {
 	ADDFUNC0R(POOL_COLOR_ARRAY, BOOL, PoolColorArray, empty, varray());
 	ADDFUNC2(POOL_COLOR_ARRAY, NIL, PoolColorArray, set, INT, "idx", COLOR, "color", varray());
 	ADDFUNC1(POOL_COLOR_ARRAY, NIL, PoolColorArray, push_back, COLOR, "color", varray());
+	ADDFUNC1(POOL_COLOR_ARRAY, NIL, PoolColorArray, fill, COLOR, "color", varray());
 	ADDFUNC1(POOL_COLOR_ARRAY, NIL, PoolColorArray, append, COLOR, "color", varray());
 	ADDFUNC1(POOL_COLOR_ARRAY, NIL, PoolColorArray, append_array, POOL_COLOR_ARRAY, "array", varray());
 	ADDFUNC1(POOL_COLOR_ARRAY, NIL, PoolColorArray, remove, INT, "idx", varray());

core/vector.h

@@ -64,6 +64,7 @@ class Vector {
 
 public:
 	bool push_back(T p_elem);
+	void fill(T p_elem);
 
 	void remove(int p_index) { _cowdata.remove(p_index); }
 	void erase(const T &p_val) {
@@ -156,4 +157,12 @@ bool Vector<T>::push_back(T p_elem) {
 	return false;
 }
 
+template <class T>
+void Vector<T>::fill(T p_elem) {
+	T *p = ptrw();
+	for (int i = 0; i < size(); i++) {
+		p[i] = p_elem;
+	}
+}
+
 #endif

doc/classes/Array.xml

@@ -177,6 +177,17 @@
 				[b]Note:[/b] On large arrays, this method will be slower if the removed element is close to the beginning of the array (index 0). This is because all elements placed after the removed element have to be reindexed.
 			</description>
 		</method>
+		<method name="fill">
+			<argument index="0" name="value" type="Variant" />
+			<description>
+				Assigns the given value to all elements in the array. This can typically be used together with [method resize] to create an array with a given size and initialized elements:
+				[codeblock]
+				var array = []
+				array.resize(10)
+				array.fill(0) # Initialize the 10 elements to 0.
+				[/codeblock]
+			</description>
+		</method>
 		<method name="find">
 			<return type="int" />
 			<argument index="0" name="what" type="Variant" />

doc/classes/PoolByteArray.xml

@@ -61,6 +61,12 @@
 				Returns [code]true[/code] if the array is empty.
 			</description>
 		</method>
+		<method name="fill">
+			<argument index="0" name="byte" type="int" />
+			<description>
+				Assigns the given value to all elements in the array. This can typically be used together with [method resize] to create an array with a given size and initialized elements.
+			</description>
+		</method>
 		<method name="get_string_from_ascii">
 			<return type="String" />
 			<description>

doc/classes/PoolColorArray.xml

@@ -35,6 +35,12 @@
 				Returns [code]true[/code] if the array is empty.
 			</description>
 		</method>
+		<method name="fill">
+			<argument index="0" name="color" type="Color" />
+			<description>
+				Assigns the given value to all elements in the array. This can typically be used together with [method resize] to create an array with a given size and initialized elements.
+			</description>
+		</method>
 		<method name="insert">
 			<return type="int" />
 			<argument index="0" name="idx" type="int" />

doc/classes/PoolIntArray.xml

@@ -36,6 +36,12 @@
 				Returns [code]true[/code] if the array is empty.
 			</description>
 		</method>
+		<method name="fill">
+			<argument index="0" name="integer" type="int" />
+			<description>
+				Assigns the given value to all elements in the array. This can typically be used together with [method resize] to create an array with a given size and initialized elements.
+			</description>
+		</method>
 		<method name="insert">
 			<return type="int" />
 			<argument index="0" name="idx" type="int" />

doc/classes/PoolRealArray.xml

@@ -36,6 +36,12 @@
 				Returns [code]true[/code] if the array is empty.
 			</description>
 		</method>
+		<method name="fill">
+			<argument index="0" name="value" type="float" />
+			<description>
+				Assigns the given value to all elements in the array. This can typically be used together with [method resize] to create an array with a given size and initialized elements.
+			</description>
+		</method>
 		<method name="insert">
 			<return type="int" />
 			<argument index="0" name="idx" type="int" />

doc/classes/PoolStringArray.xml

@@ -36,6 +36,12 @@
 				Returns [code]true[/code] if the array is empty.
 			</description>
 		</method>
+		<method name="fill">
+			<argument index="0" name="string" type="String" />
+			<description>
+				Assigns the given value to all elements in the array. This can typically be used together with [method resize] to create an array with a given size and initialized elements.
+			</description>
+		</method>
 		<method name="insert">
 			<return type="int" />
 			<argument index="0" name="idx" type="int" />

doc/classes/PoolVector2Array.xml

@@ -36,6 +36,12 @@
 				Returns [code]true[/code] if the array is empty.
 			</description>
 		</method>
+		<method name="fill">
+			<argument index="0" name="vector2" type="Vector2" />
+			<description>
+				Assigns the given value to all elements in the array. This can typically be used together with [method resize] to create an array with a given size and initialized elements.
+			</description>
+		</method>
 		<method name="insert">
 			<return type="int" />
 			<argument index="0" name="idx" type="int" />

doc/classes/PoolVector3Array.xml

@@ -35,6 +35,12 @@
 				Returns [code]true[/code] if the array is empty.
 			</description>
 		</method>
+		<method name="fill">
+			<argument index="0" name="vector3" type="Vector3" />
+			<description>
+				Assigns the given value to all elements in the array. This can typically be used together with [method resize] to create an array with a given size and initialized elements.
+			</description>
+		</method>
 		<method name="insert">
 			<return type="int" />
 			<argument index="0" name="idx" type="int" />