Add Vector4 to VisualShader

doc/classes/VisualShader.xml

@@ -214,11 +214,13 @@
 		</constant>
 		<constant name="VARYING_TYPE_VECTOR_3D" value="2" enum="VaryingType">
 		</constant>
-		<constant name="VARYING_TYPE_COLOR" value="3" enum="VaryingType">
+		<constant name="VARYING_TYPE_VECTOR_4D" value="3" enum="VaryingType">
 		</constant>
-		<constant name="VARYING_TYPE_TRANSFORM" value="4" enum="VaryingType">
+		<constant name="VARYING_TYPE_COLOR" value="4" enum="VaryingType">
 		</constant>
-		<constant name="VARYING_TYPE_MAX" value="5" enum="VaryingType">
+		<constant name="VARYING_TYPE_TRANSFORM" value="5" enum="VaryingType">
+		</constant>
+		<constant name="VARYING_TYPE_MAX" value="6" enum="VaryingType">
 		</constant>
 		<constant name="NODE_ID_INVALID" value="-1">
 		</constant>

doc/classes/VisualShaderNode.xml

@@ -78,16 +78,19 @@
 		<constant name="PORT_TYPE_VECTOR_3D" value="3" enum="PortType">
 			3D vector of floating-point values. Translated to [code]vec3[/code] type in shader code.
 		</constant>
-		<constant name="PORT_TYPE_BOOLEAN" value="4" enum="PortType">
+		<constant name="PORT_TYPE_VECTOR_4D" value="4" enum="PortType">
+			4D vector of floating-point values. Translated to [code]vec4[/code] type in shader code.
+		</constant>
+		<constant name="PORT_TYPE_BOOLEAN" value="5" enum="PortType">
 			Boolean type. Translated to [code]bool[/code] type in shader code.
 		</constant>
-		<constant name="PORT_TYPE_TRANSFORM" value="5" enum="PortType">
+		<constant name="PORT_TYPE_TRANSFORM" value="6" enum="PortType">
 			Transform type. Translated to [code]mat4[/code] type in shader code.
 		</constant>
-		<constant name="PORT_TYPE_SAMPLER" value="6" enum="PortType">
+		<constant name="PORT_TYPE_SAMPLER" value="7" enum="PortType">
 			Sampler type. Translated to reference of sampler uniform in shader code. Can only be used for input ports in non-uniform nodes.
 		</constant>
-		<constant name="PORT_TYPE_MAX" value="7" enum="PortType">
+		<constant name="PORT_TYPE_MAX" value="8" enum="PortType">
 			Represents the size of the [enum PortType] enum.
 		</constant>
 	</constants>

doc/classes/VisualShaderNodeClamp.xml

@@ -26,7 +26,10 @@
 		<constant name="OP_TYPE_VECTOR_3D" value="3" enum="OpType">
 			A 3D vector type.
 		</constant>
-		<constant name="OP_TYPE_MAX" value="4" enum="OpType">
+		<constant name="OP_TYPE_VECTOR_4D" value="4" enum="OpType">
+			A 4D vector type.
+		</constant>
+		<constant name="OP_TYPE_MAX" value="5" enum="OpType">
 			Represents the size of the [enum OpType] enum.
 		</constant>
 	</constants>

doc/classes/VisualShaderNodeCompare.xml

@@ -32,13 +32,16 @@
 		<constant name="CTYPE_VECTOR_3D" value="3" enum="ComparisonType">
 			A 3D vector type.
 		</constant>
-		<constant name="CTYPE_BOOLEAN" value="4" enum="ComparisonType">
+		<constant name="CTYPE_VECTOR_4D" value="4" enum="ComparisonType">
+			A 4D vector type.
+		</constant>
+		<constant name="CTYPE_BOOLEAN" value="5" enum="ComparisonType">
 			A boolean type.
 		</constant>
-		<constant name="CTYPE_TRANSFORM" value="5" enum="ComparisonType">
+		<constant name="CTYPE_TRANSFORM" value="6" enum="ComparisonType">
 			A transform ([code]mat4[/code]) type.
 		</constant>
-		<constant name="CTYPE_MAX" value="6" enum="ComparisonType">
+		<constant name="CTYPE_MAX" value="7" enum="ComparisonType">
 			Represents the size of the [enum ComparisonType] enum.
 		</constant>
 		<constant name="FUNC_EQUAL" value="0" enum="Function">

doc/classes/VisualShaderNodeDerivativeFunc.xml

@@ -26,7 +26,10 @@
 		<constant name="OP_TYPE_VECTOR_3D" value="2" enum="OpType">
 			A 3D vector type.
 		</constant>
-		<constant name="OP_TYPE_MAX" value="3" enum="OpType">
+		<constant name="OP_TYPE_VECTOR_4D" value="3" enum="OpType">
+			A 4D vector type.
+		</constant>
+		<constant name="OP_TYPE_MAX" value="4" enum="OpType">
 			Represents the size of the [enum OpType] enum.
 		</constant>
 		<constant name="FUNC_SUM" value="0" enum="Function">

doc/classes/VisualShaderNodeMix.xml

@@ -29,7 +29,13 @@
 		<constant name="OP_TYPE_VECTOR_3D_SCALAR" value="4" enum="OpType">
 			The [code]a[/code] and [code]b[/code] ports use a 3D vector type. The [code]weight[/code] port uses a scalar type.
 		</constant>
-		<constant name="OP_TYPE_MAX" value="5" enum="OpType">
+		<constant name="OP_TYPE_VECTOR_4D" value="5" enum="OpType">
+			A 4D vector type.
+		</constant>
+		<constant name="OP_TYPE_VECTOR_4D_SCALAR" value="6" enum="OpType">
+			The [code]a[/code] and [code]b[/code] ports use a 4D vector type. The [code]weight[/code] port uses a scalar type.
+		</constant>
+		<constant name="OP_TYPE_MAX" value="7" enum="OpType">
 			Represents the size of the [enum OpType] enum.
 		</constant>
 	</constants>

doc/classes/VisualShaderNodeMultiplyAdd.xml

@@ -23,7 +23,10 @@
 		<constant name="OP_TYPE_VECTOR_3D" value="2" enum="OpType">
 			A 3D vector type.
 		</constant>
-		<constant name="OP_TYPE_MAX" value="3" enum="OpType">
+		<constant name="OP_TYPE_VECTOR_4D" value="3" enum="OpType">
+			A 4D vector type.
+		</constant>
+		<constant name="OP_TYPE_MAX" value="4" enum="OpType">
 			Represents the size of the [enum OpType] enum.
 		</constant>
 	</constants>

doc/classes/VisualShaderNodeSmoothStep.xml

@@ -30,7 +30,13 @@
 		<constant name="OP_TYPE_VECTOR_3D_SCALAR" value="4" enum="OpType">
 			The [code]x[/code] port uses a 3D vector type. The first two ports use a floating-point scalar type.
 		</constant>
-		<constant name="OP_TYPE_MAX" value="5" enum="OpType">
+		<constant name="OP_TYPE_VECTOR_4D" value="5" enum="OpType">
+			A 4D vector type.
+		</constant>
+		<constant name="OP_TYPE_VECTOR_4D_SCALAR" value="6" enum="OpType">
+			The [code]a[/code] and [code]b[/code] ports use a 4D vector type. The [code]weight[/code] port uses a scalar type.
+		</constant>
+		<constant name="OP_TYPE_MAX" value="7" enum="OpType">
 			Represents the size of the [enum OpType] enum.
 		</constant>
 	</constants>

doc/classes/VisualShaderNodeStep.xml

@@ -30,7 +30,13 @@
 		<constant name="OP_TYPE_VECTOR_3D_SCALAR" value="4" enum="OpType">
 			The [code]x[/code] port uses a 3D vector type, while the [code]edge[/code] port uses a floating-point scalar type.
 		</constant>
-		<constant name="OP_TYPE_MAX" value="5" enum="OpType">
+		<constant name="OP_TYPE_VECTOR_4D" value="5" enum="OpType">
+			A 4D vector type.
+		</constant>
+		<constant name="OP_TYPE_VECTOR_4D_SCALAR" value="6" enum="OpType">
+			The [code]a[/code] and [code]b[/code] ports use a 4D vector type. The [code]weight[/code] port uses a scalar type.
+		</constant>
+		<constant name="OP_TYPE_MAX" value="7" enum="OpType">
 			Represents the size of the [enum OpType] enum.
 		</constant>
 	</constants>

doc/classes/VisualShaderNodeSwitch.xml

@@ -26,13 +26,16 @@
 		<constant name="OP_TYPE_VECTOR_3D" value="3" enum="OpType">
 			A 3D vector type.
 		</constant>
-		<constant name="OP_TYPE_BOOLEAN" value="4" enum="OpType">
+		<constant name="OP_TYPE_VECTOR_4D" value="4" enum="OpType">
+			A 4D vector type.
+		</constant>
+		<constant name="OP_TYPE_BOOLEAN" value="5" enum="OpType">
 			A boolean type.
 		</constant>
-		<constant name="OP_TYPE_TRANSFORM" value="5" enum="OpType">
+		<constant name="OP_TYPE_TRANSFORM" value="6" enum="OpType">
 			A transform type.
 		</constant>
-		<constant name="OP_TYPE_MAX" value="6" enum="OpType">
+		<constant name="OP_TYPE_MAX" value="7" enum="OpType">
 			Represents the size of the [enum OpType] enum.
 		</constant>
 	</constants>

doc/classes/VisualShaderNodeVec4Constant.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<class name="VisualShaderNodeVec4Constant" inherits="VisualShaderNodeConstant" version="4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd">
+	<brief_description>
+		A 4D vector (represented as a [Quaternion]) constant to be used within the visual shader graph.
+	</brief_description>
+	<description>
+		A constant 4D vector (represented as a [Quaternion]), which can be used as an input node.
+	</description>
+	<tutorials>
+	</tutorials>
+	<members>
+		<member name="constant" type="Quaternion" setter="set_constant" getter="get_constant" default="Quaternion(0, 0, 0, 1)">
+			A 4D vector (represented as a [Quaternion]) constant which represents the state of this node.
+		</member>
+	</members>
+</class>

doc/classes/VisualShaderNodeVec4Uniform.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<class name="VisualShaderNodeVec4Uniform" inherits="VisualShaderNodeUniform" version="4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd">
+	<brief_description>
+		A 4D vector (represented as a [Quaternion]) uniform to be used within the visual shader graph.
+	</brief_description>
+	<description>
+		Translated to [code]uniform vec4[/code] in the shader language.
+	</description>
+	<tutorials>
+	</tutorials>
+	<members>
+		<member name="default_value" type="Quaternion" setter="set_default_value" getter="get_default_value" default="Quaternion(0, 0, 0, 1)">
+			A default value to be assigned within the shader.
+		</member>
+		<member name="default_value_enabled" type="bool" setter="set_default_value_enabled" getter="is_default_value_enabled" default="false">
+			Enables usage of the [member default_value].
+		</member>
+	</members>
+</class>

doc/classes/VisualShaderNodeVectorBase.xml

@@ -19,7 +19,10 @@
 		<constant name="OP_TYPE_VECTOR_3D" value="1" enum="OpType">
 			A 3D vector type.
 		</constant>
-		<constant name="OP_TYPE_MAX" value="2" enum="OpType">
+		<constant name="OP_TYPE_VECTOR_4D" value="2" enum="OpType">
+			A 4D vector type.
+		</constant>
+		<constant name="OP_TYPE_MAX" value="3" enum="OpType">
 			Represents the size of the [enum OpType] enum.
 		</constant>
 	</constants>

doc/classes/VisualShaderNodeVectorCompose.xml

@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 <class name="VisualShaderNodeVectorCompose" inherits="VisualShaderNodeVectorBase" version="4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd">
 	<brief_description>
-		Composes a [Vector3] from three scalars within the visual shader graph.
+		Composes a [Vector2], [Vector3] or 4D vector (represented as a [Quaternion]) from scalars within the visual shader graph.
 	</brief_description>
 	<description>
-		Creates a [code]vec3[/code] using three scalar values that can be provided from separate inputs.
+		Creates a [code]vec2[/code], [code]vec3[/code] or [code]vec4[/code] using scalar values that can be provided from separate inputs.
 	</description>
 	<tutorials>
 	</tutorials>

doc/classes/VisualShaderNodeVectorDecompose.xml

@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 <class name="VisualShaderNodeVectorDecompose" inherits="VisualShaderNodeVectorBase" version="4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd">
 	<brief_description>
-		Decomposes a [Vector3] into three scalars within the visual shader graph.
+		Decomposes a [Vector2], [Vector3] or 4D vector (represented as a [Quaternion]) into scalars within the visual shader graph.
 	</brief_description>
 	<description>
-		Takes a [code]vec3[/code] and decomposes it into three scalar values that can be used as separate inputs.
+		Takes a [code]vec2[/code], [code]vec3[/code] or [code]vec4[/code] and decomposes it into scalar values that can be used as separate outputs.
 	</description>
 	<tutorials>
 	</tutorials>

drivers/gles3/storage/material_storage.cpp

@@ -308,7 +308,7 @@ void MaterialStorage::shader_get_param_list(RID p_shader, List<PropertyInfo> *p_
 				if (u.hint == ShaderLanguage::ShaderNode::Uniform::HINT_COLOR) {
 					pi.type = Variant::COLOR;
 				} else {
-					pi.type = Variant::PLANE;
+					pi.type = Variant::QUATERNION;
 				}
 			} break;