Merge pull request #60439 from Chaosus/vs_vec4

1 files changed, 66 insertions, 134 deletions

diff --git a/scene/resources/visual_shader.cpp b/scene/resources/visual_shader.cpp
index 8a7020add5..755962b96c 100644
--- a/scene/resources/visual_shader.cpp
+++ b/scene/resources/visual_shader.cpp
@@ -812,7 +812,6 @@ void VisualShader::add_node(Type p_type, const Ref<VisualShaderNode> &p_node, co
 	if (input.is_valid()) {
 		input->shader_mode = shader_mode;
 		input->shader_type = p_type;
-		input->connect("input_type_changed", callable_mp(this, &VisualShader::_input_type_changed), varray(p_type, p_id));
 	}
 
 	n.node->connect("changed", callable_mp(this, &VisualShader::_queue_update));
@@ -882,11 +881,6 @@ void VisualShader::remove_node(Type p_type, int p_id) {
 	Graph *g = &graph[p_type];
 	ERR_FAIL_COND(!g->nodes.has(p_id));
 
-	Ref<VisualShaderNodeInput> input = g->nodes[p_id].node;
-	if (input.is_valid()) {
-		input->disconnect("input_type_changed", callable_mp(this, &VisualShader::_input_type_changed));
-	}
-
 	g->nodes[p_id].node->disconnect("changed", callable_mp(this, &VisualShader::_queue_update));
 
 	g->nodes.erase(p_id);
@@ -2033,29 +2027,19 @@ Error VisualShader::_write_node(Type type, StringBuilder *global_code, StringBui
 	if (!node_code.is_empty()) {
 		code += node_name;
 		code += node_code;
-		code += "\n";
 	}
 
 	for (int i = 0; i < output_count; i++) {
-		bool new_line_inserted = false;
 		if (expanded_output_ports[i]) {
 			switch (vsnode->get_output_port_type(i)) {
 				case VisualShaderNode::PORT_TYPE_VECTOR_2D: {
 					if (vsnode->is_output_port_connected(i + 1) || (for_preview && vsnode->get_output_port_for_preview() == (i + 1))) { // red-component
-						if (!new_line_inserted) {
-							code += "\n";
-							new_line_inserted = true;
-						}
 						String r = "n_out" + itos(node) + "p" + itos(i + 1);
 						code += "	float " + r + " = n_out" + itos(node) + "p" + itos(i) + ".r;\n";
 						outputs[i + 1] = r;
 					}
 
 					if (vsnode->is_output_port_connected(i + 2) || (for_preview && vsnode->get_output_port_for_preview() == (i + 2))) { // green-component
-						if (!new_line_inserted) {
-							code += "\n";
-							new_line_inserted = true;
-						}
 						String g = "n_out" + itos(node) + "p" + itos(i + 2);
 						code += "	float " + g + " = n_out" + itos(node) + "p" + itos(i) + ".g;\n";
 						outputs[i + 2] = g;
@@ -2065,30 +2049,18 @@ Error VisualShader::_write_node(Type type, StringBuilder *global_code, StringBui
 				} break;
 				case VisualShaderNode::PORT_TYPE_VECTOR_3D: {
 					if (vsnode->is_output_port_connected(i + 1) || (for_preview && vsnode->get_output_port_for_preview() == (i + 1))) { // red-component
-						if (!new_line_inserted) {
-							code += "\n";
-							new_line_inserted = true;
-						}
 						String r = "n_out" + itos(node) + "p" + itos(i + 1);
 						code += "	float " + r + " = n_out" + itos(node) + "p" + itos(i) + ".r;\n";
 						outputs[i + 1] = r;
 					}
 
 					if (vsnode->is_output_port_connected(i + 2) || (for_preview && vsnode->get_output_port_for_preview() == (i + 2))) { // green-component
-						if (!new_line_inserted) {
-							code += "\n";
-							new_line_inserted = true;
-						}
 						String g = "n_out" + itos(node) + "p" + itos(i + 2);
 						code += "	float " + g + " = n_out" + itos(node) + "p" + itos(i) + ".g;\n";
 						outputs[i + 2] = g;
 					}
 
 					if (vsnode->is_output_port_connected(i + 3) || (for_preview && vsnode->get_output_port_for_preview() == (i + 3))) { // blue-component
-						if (!new_line_inserted) {
-							code += "\n";
-							new_line_inserted = true;
-						}
 						String b = "n_out" + itos(node) + "p" + itos(i + 3);
 						code += "	float " + b + " = n_out" + itos(node) + "p" + itos(i) + ".b;\n";
 						outputs[i + 3] = b;
@@ -2098,43 +2070,27 @@ Error VisualShader::_write_node(Type type, StringBuilder *global_code, StringBui
 				} break;
 				case VisualShaderNode::PORT_TYPE_VECTOR_4D: {
 					if (vsnode->is_output_port_connected(i + 1) || (for_preview && vsnode->get_output_port_for_preview() == (i + 1))) { // red-component
-						if (!new_line_inserted) {
-							code += "\n";
-							new_line_inserted = true;
-						}
 						String r = "n_out" + itos(node) + "p" + itos(i + 1);
 						code += "	float " + r + " = n_out" + itos(node) + "p" + itos(i) + ".r;\n";
 						outputs[i + 1] = r;
 					}
 
 					if (vsnode->is_output_port_connected(i + 2) || (for_preview && vsnode->get_output_port_for_preview() == (i + 2))) { // green-component
-						if (!new_line_inserted) {
-							code += "\n";
-							new_line_inserted = true;
-						}
 						String g = "n_out" + itos(node) + "p" + itos(i + 2);
 						code += "	float " + g + " = n_out" + itos(node) + "p" + itos(i) + ".g;\n";
 						outputs[i + 2] = g;
 					}
 
 					if (vsnode->is_output_port_connected(i + 3) || (for_preview && vsnode->get_output_port_for_preview() == (i + 3))) { // blue-component
-						if (!new_line_inserted) {
-							code += "\n";
-							new_line_inserted = true;
-						}
 						String b = "n_out" + itos(node) + "p" + itos(i + 3);
 						code += "	float " + b + " = n_out" + itos(node) + "p" + itos(i) + ".b;\n";
 						outputs[i + 3] = b;
 					}
 
 					if (vsnode->is_output_port_connected(i + 4) || (for_preview && vsnode->get_output_port_for_preview() == (i + 4))) { // alpha-component
-						if (!new_line_inserted) {
-							code += "\n";
-							new_line_inserted = true;
-						}
-						String b = "n_out" + itos(node) + "p" + itos(i + 3);
-						code += "	float " + b + " = n_out" + itos(node) + "p" + itos(i) + ".a;\n";
-						outputs[i + 4] = b;
+						String a = "n_out" + itos(node) + "p" + itos(i + 4);
+						code += "	float " + a + " = n_out" + itos(node) + "p" + itos(i) + ".a;\n";
+						outputs[i + 4] = a;
 					}
 
 					i += 4;
@@ -2145,6 +2101,10 @@ Error VisualShader::_write_node(Type type, StringBuilder *global_code, StringBui
 		}
 	}
 
+	if (!node_code.is_empty()) {
+		code += "\n";
+	}
+
 	code += "\n"; //
 	processed.insert(node);
 
@@ -2597,21 +2557,6 @@ void VisualShader::_queue_update() {
 	call_deferred(SNAME("_update_shader"));
 }
 
-void VisualShader::_input_type_changed(Type p_type, int p_id) {
-	ERR_FAIL_INDEX(p_type, TYPE_MAX);
-	//erase connections using this input, as type changed
-	Graph *g = &graph[p_type];
-
-	for (List<Connection>::Element *E = g->connections.front(); E;) {
-		List<Connection>::Element *N = E->next();
-		if (E->get().from_node == p_id) {
-			g->connections.erase(E);
-			g->nodes[E->get().to_node].prev_connected_nodes.erase(p_id);
-		}
-		E = N;
-	}
-}
-
 void VisualShader::rebuild() {
 	dirty.set();
 	_update_shader();
@@ -2720,12 +2665,10 @@ const VisualShaderNodeInput::Port VisualShaderNodeInput::ports[] = {
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_VECTOR_3D, "binormal", "BINORMAL" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_VECTOR_2D, "uv", "UV" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_VECTOR_2D, "uv2", "UV2" },
-	{ Shader::MODE_SPATIAL, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_VECTOR_3D, "color", "COLOR.rgb" },
-	{ Shader::MODE_SPATIAL, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_SCALAR, "alpha", "COLOR.a" },
+	{ Shader::MODE_SPATIAL, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_VECTOR_4D, "color", "COLOR" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_SCALAR, "point_size", "POINT_SIZE" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_SCALAR_INT, "instance_id", "INSTANCE_ID" },
-	{ Shader::MODE_SPATIAL, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_VECTOR_3D, "instance_custom", "INSTANCE_CUSTOM.rgb" },
-	{ Shader::MODE_SPATIAL, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_SCALAR, "instance_custom_alpha", "INSTANCE_CUSTOM.a" },
+	{ Shader::MODE_SPATIAL, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_VECTOR_4D, "instance_custom", "INSTANCE_CUSTOM" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_SCALAR, "roughness", "ROUGHNESS" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_TRANSFORM, "model_matrix", "MODEL_MATRIX" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_TRANSFORM, "modelview_matrix", "MODELVIEW_MATRIX" },
@@ -2741,7 +2684,7 @@ const VisualShaderNodeInput::Port VisualShaderNodeInput::ports[] = {
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_SCALAR_INT, "view_right", "VIEW_RIGHT" },
 
 	// Node3D, Fragment
-	{ Shader::MODE_SPATIAL, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "fragcoord", "FRAGCOORD.xyz" },
+	{ Shader::MODE_SPATIAL, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_4D, "fragcoord", "FRAGCOORD" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "vertex", "VERTEX" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "normal", "NORMAL" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "tangent", "TANGENT" },
@@ -2749,8 +2692,7 @@ const VisualShaderNodeInput::Port VisualShaderNodeInput::ports[] = {
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "view", "VIEW" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_2D, "uv", "UV" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_2D, "uv2", "UV2" },
-	{ Shader::MODE_SPATIAL, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "color", "COLOR.rgb" },
-	{ Shader::MODE_SPATIAL, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_SCALAR, "alpha", "COLOR.a" },
+	{ Shader::MODE_SPATIAL, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_4D, "color", "COLOR" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_2D, "point_coord", "POINT_COORD" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_2D, "screen_uv", "SCREEN_UV" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_TRANSFORM, "model_matrix", "MODEL_MATRIX" },
@@ -2770,7 +2712,7 @@ const VisualShaderNodeInput::Port VisualShaderNodeInput::ports[] = {
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_SCALAR_INT, "view_right", "VIEW_RIGHT" },
 
 	// Node3D, Light
-	{ Shader::MODE_SPATIAL, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "fragcoord", "FRAGCOORD.xyz" },
+	{ Shader::MODE_SPATIAL, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_4D, "fragcoord", "FRAGCOORD" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "normal", "NORMAL" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_2D, "uv", "UV" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_2D, "uv2", "UV2" },
@@ -2798,8 +2740,7 @@ const VisualShaderNodeInput::Port VisualShaderNodeInput::ports[] = {
 	// Canvas Item, Vertex
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_VECTOR_2D, "vertex", "VERTEX" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_VECTOR_2D, "uv", "UV" },
-	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_VECTOR_3D, "color", "COLOR.rgb" },
-	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_SCALAR, "alpha", "COLOR.a" },
+	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_VECTOR_4D, "color", "COLOR" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_SCALAR, "point_size", "POINT_SIZE" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_VECTOR_2D, "texture_pixel_size", "TEXTURE_PIXEL_SIZE" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_TRANSFORM, "model_matrix", "MODEL_MATRIX" },
@@ -2807,16 +2748,14 @@ const VisualShaderNodeInput::Port VisualShaderNodeInput::ports[] = {
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_TRANSFORM, "screen_matrix", "SCREEN_MATRIX" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_SCALAR, "time", "TIME" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_BOOLEAN, "at_light_pass", "AT_LIGHT_PASS" },
-	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_VECTOR_3D, "instance_custom", "INSTANCE_CUSTOM.rgb" },
-	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_SCALAR, "instance_custom_alpha", "INSTANCE_CUSTOM.a" },
+	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_VECTOR_4D, "instance_custom", "INSTANCE_CUSTOM" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_SCALAR_INT, "instance_id", "INSTANCE_ID" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_SCALAR_INT, "vertex_id", "VERTEX_ID" },
 
 	// Canvas Item, Fragment
-	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "fragcoord", "FRAGCOORD.xyz" },
+	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_4D, "fragcoord", "FRAGCOORD" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_2D, "uv", "UV" },
-	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "color", "COLOR.rgb" },
-	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_SCALAR, "alpha", "COLOR.a" },
+	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_4D, "color", "COLOR" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_2D, "screen_uv", "SCREEN_UV" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_2D, "texture_pixel_size", "TEXTURE_PIXEL_SIZE" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_2D, "screen_pixel_size", "SCREEN_PIXEL_SIZE" },
@@ -2826,42 +2765,34 @@ const VisualShaderNodeInput::Port VisualShaderNodeInput::ports[] = {
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_SAMPLER, "texture", "TEXTURE" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_SAMPLER, "normal_texture", "NORMAL_TEXTURE" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_SAMPLER, "screen_texture", "SCREEN_TEXTURE" },
-	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "specular_shininess", "SPECULAR_SHININESS.rgb" },
-	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_SCALAR, "specular_shininess_alpha", "SPECULAR_SHININESS.a" },
+	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_4D, "specular_shininess", "SPECULAR_SHININESS" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_SAMPLER, "specular_shininess_texture", "SPECULAR_SHININESS_TEXTURE" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_2D, "vertex", "VERTEX" },
 
 	// Canvas Item, Light
-	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "fragcoord", "FRAGCOORD.xyz" },
+	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_4D, "fragcoord", "FRAGCOORD" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_2D, "uv", "UV" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "normal", "NORMAL" },
-	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "color", "COLOR.rgb" },
-	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_SCALAR, "alpha", "COLOR.a" },
-	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "light", "LIGHT.rgb" },
-	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_SCALAR, "light_alpha", "LIGHT.a" },
-	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "light_color", "LIGHT_COLOR.rgb" },
-	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_SCALAR, "light_color_alpha", "LIGHT_COLOR.a" },
+	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_4D, "color", "COLOR" },
+	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_4D, "light", "LIGHT" },
+	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_4D, "light_color", "LIGHT_COLOR" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "light_position", "LIGHT_POSITION" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "light_vertex", "LIGHT_VERTEX" },
-	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "shadow", "SHADOW_MODULATE.rgb" },
-	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_SCALAR, "shadow_alpha", "SHADOW_MODULATE.a" },
+	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_4D, "shadow", "SHADOW_MODULATE" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_2D, "screen_uv", "SCREEN_UV" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_2D, "texture_pixel_size", "TEXTURE_PIXEL_SIZE" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_2D, "point_coord", "POINT_COORD" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_SCALAR, "time", "TIME" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_SAMPLER, "texture", "TEXTURE" },
-	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "specular_shininess", "SPECULAR_SHININESS.rgb" },
-	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_SCALAR, "specular_shininess_alpha", "SPECULAR_SHININESS.a" },
+	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_4D, "specular_shininess", "SPECULAR_SHININESS" },
 
 	// Particles, Start
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_START, VisualShaderNode::PORT_TYPE_VECTOR_3D, "attractor_force", "ATTRACTOR_FORCE" },
-	{ Shader::MODE_PARTICLES, VisualShader::TYPE_START, VisualShaderNode::PORT_TYPE_VECTOR_3D, "color", "COLOR.rgb" },
-	{ Shader::MODE_PARTICLES, VisualShader::TYPE_START, VisualShaderNode::PORT_TYPE_SCALAR, "alpha", "COLOR.a" },
+	{ Shader::MODE_PARTICLES, VisualShader::TYPE_START, VisualShaderNode::PORT_TYPE_VECTOR_4D, "color", "COLOR" },
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_START, VisualShaderNode::PORT_TYPE_VECTOR_3D, "velocity", "VELOCITY" },
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_START, VisualShaderNode::PORT_TYPE_BOOLEAN, "restart", "RESTART" },
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_START, VisualShaderNode::PORT_TYPE_BOOLEAN, "active", "ACTIVE" },
-	{ Shader::MODE_PARTICLES, VisualShader::TYPE_START, VisualShaderNode::PORT_TYPE_VECTOR_3D, "custom", "CUSTOM.rgb" },
-	{ Shader::MODE_PARTICLES, VisualShader::TYPE_START, VisualShaderNode::PORT_TYPE_SCALAR, "custom_alpha", "CUSTOM.a" },
+	{ Shader::MODE_PARTICLES, VisualShader::TYPE_START, VisualShaderNode::PORT_TYPE_VECTOR_4D, "custom", "CUSTOM" },
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_START, VisualShaderNode::PORT_TYPE_TRANSFORM, "transform", "TRANSFORM" },
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_START, VisualShaderNode::PORT_TYPE_SCALAR, "delta", "DELTA" },
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_START, VisualShaderNode::PORT_TYPE_SCALAR, "lifetime", "LIFETIME" },
@@ -2871,13 +2802,11 @@ const VisualShaderNodeInput::Port VisualShaderNodeInput::ports[] = {
 
 	// Particles, Start (Custom)
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_START_CUSTOM, VisualShaderNode::PORT_TYPE_VECTOR_3D, "attractor_force", "ATTRACTOR_FORCE" },
-	{ Shader::MODE_PARTICLES, VisualShader::TYPE_START_CUSTOM, VisualShaderNode::PORT_TYPE_VECTOR_3D, "color", "COLOR.rgb" },
-	{ Shader::MODE_PARTICLES, VisualShader::TYPE_START_CUSTOM, VisualShaderNode::PORT_TYPE_SCALAR, "alpha", "COLOR.a" },
+	{ Shader::MODE_PARTICLES, VisualShader::TYPE_START_CUSTOM, VisualShaderNode::PORT_TYPE_VECTOR_4D, "color", "COLOR" },
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_START_CUSTOM, VisualShaderNode::PORT_TYPE_VECTOR_3D, "velocity", "VELOCITY" },
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_START_CUSTOM, VisualShaderNode::PORT_TYPE_BOOLEAN, "restart", "RESTART" },
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_START_CUSTOM, VisualShaderNode::PORT_TYPE_BOOLEAN, "active", "ACTIVE" },
-	{ Shader::MODE_PARTICLES, VisualShader::TYPE_START_CUSTOM, VisualShaderNode::PORT_TYPE_VECTOR_3D, "custom", "CUSTOM.rgb" },
-	{ Shader::MODE_PARTICLES, VisualShader::TYPE_START_CUSTOM, VisualShaderNode::PORT_TYPE_SCALAR, "custom_alpha", "CUSTOM.a" },
+	{ Shader::MODE_PARTICLES, VisualShader::TYPE_START_CUSTOM, VisualShaderNode::PORT_TYPE_VECTOR_4D, "custom", "CUSTOM" },
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_START_CUSTOM, VisualShaderNode::PORT_TYPE_TRANSFORM, "transform", "TRANSFORM" },
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_START_CUSTOM, VisualShaderNode::PORT_TYPE_SCALAR, "delta", "DELTA" },
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_START_CUSTOM, VisualShaderNode::PORT_TYPE_SCALAR, "lifetime", "LIFETIME" },
@@ -2887,13 +2816,11 @@ const VisualShaderNodeInput::Port VisualShaderNodeInput::ports[] = {
 
 	// Particles, Process
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS, VisualShaderNode::PORT_TYPE_VECTOR_3D, "attractor_force", "ATTRACTOR_FORCE" },
-	{ Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS, VisualShaderNode::PORT_TYPE_VECTOR_3D, "color", "COLOR.rgb" },
-	{ Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS, VisualShaderNode::PORT_TYPE_SCALAR, "alpha", "COLOR.a" },
+	{ Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS, VisualShaderNode::PORT_TYPE_VECTOR_4D, "color", "COLOR" },
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS, VisualShaderNode::PORT_TYPE_VECTOR_3D, "velocity", "VELOCITY" },
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS, VisualShaderNode::PORT_TYPE_BOOLEAN, "restart", "RESTART" },
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS, VisualShaderNode::PORT_TYPE_BOOLEAN, "active", "ACTIVE" },
-	{ Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS, VisualShaderNode::PORT_TYPE_VECTOR_3D, "custom", "CUSTOM.rgb" },
-	{ Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS, VisualShaderNode::PORT_TYPE_SCALAR, "custom_alpha", "CUSTOM.a" },
+	{ Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS, VisualShaderNode::PORT_TYPE_VECTOR_4D, "custom", "CUSTOM" },
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS, VisualShaderNode::PORT_TYPE_TRANSFORM, "transform", "TRANSFORM" },
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS, VisualShaderNode::PORT_TYPE_SCALAR, "delta", "DELTA" },
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS, VisualShaderNode::PORT_TYPE_SCALAR, "lifetime", "LIFETIME" },
@@ -2903,13 +2830,11 @@ const VisualShaderNodeInput::Port VisualShaderNodeInput::ports[] = {
 
 	// Particles, Process (Custom)
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS_CUSTOM, VisualShaderNode::PORT_TYPE_VECTOR_3D, "attractor_force", "ATTRACTOR_FORCE" },
-	{ Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS_CUSTOM, VisualShaderNode::PORT_TYPE_VECTOR_3D, "color", "COLOR.rgb" },
-	{ Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS_CUSTOM, VisualShaderNode::PORT_TYPE_SCALAR, "alpha", "COLOR.a" },
+	{ Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS_CUSTOM, VisualShaderNode::PORT_TYPE_VECTOR_4D, "color", "COLOR" },
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS_CUSTOM, VisualShaderNode::PORT_TYPE_VECTOR_3D, "velocity", "VELOCITY" },
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS_CUSTOM, VisualShaderNode::PORT_TYPE_BOOLEAN, "restart", "RESTART" },
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS_CUSTOM, VisualShaderNode::PORT_TYPE_BOOLEAN, "active", "ACTIVE" },
-	{ Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS_CUSTOM, VisualShaderNode::PORT_TYPE_VECTOR_3D, "custom", "CUSTOM.rgb" },
-	{ Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS_CUSTOM, VisualShaderNode::PORT_TYPE_SCALAR, "custom_alpha", "CUSTOM.a" },
+	{ Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS_CUSTOM, VisualShaderNode::PORT_TYPE_VECTOR_4D, "custom", "CUSTOM" },
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS_CUSTOM, VisualShaderNode::PORT_TYPE_TRANSFORM, "transform", "TRANSFORM" },
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS_CUSTOM, VisualShaderNode::PORT_TYPE_SCALAR, "delta", "DELTA" },
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS_CUSTOM, VisualShaderNode::PORT_TYPE_SCALAR, "lifetime", "LIFETIME" },
@@ -2921,13 +2846,11 @@ const VisualShaderNodeInput::Port VisualShaderNodeInput::ports[] = {
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_COLLIDE, VisualShaderNode::PORT_TYPE_VECTOR_3D, "attractor_force", "ATTRACTOR_FORCE" },
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_COLLIDE, VisualShaderNode::PORT_TYPE_SCALAR, "collision_depth", "COLLISION_DEPTH" },
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_COLLIDE, VisualShaderNode::PORT_TYPE_VECTOR_3D, "collision_normal", "COLLISION_NORMAL" },
-	{ Shader::MODE_PARTICLES, VisualShader::TYPE_COLLIDE, VisualShaderNode::PORT_TYPE_VECTOR_3D, "color", "COLOR.rgb" },
-	{ Shader::MODE_PARTICLES, VisualShader::TYPE_COLLIDE, VisualShaderNode::PORT_TYPE_SCALAR, "alpha", "COLOR.a" },
+	{ Shader::MODE_PARTICLES, VisualShader::TYPE_COLLIDE, VisualShaderNode::PORT_TYPE_VECTOR_4D, "color", "COLOR" },
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_COLLIDE, VisualShaderNode::PORT_TYPE_VECTOR_3D, "velocity", "VELOCITY" },
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_COLLIDE, VisualShaderNode::PORT_TYPE_BOOLEAN, "restart", "RESTART" },
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_COLLIDE, VisualShaderNode::PORT_TYPE_BOOLEAN, "active", "ACTIVE" },
-	{ Shader::MODE_PARTICLES, VisualShader::TYPE_COLLIDE, VisualShaderNode::PORT_TYPE_VECTOR_3D, "custom", "CUSTOM.rgb" },
-	{ Shader::MODE_PARTICLES, VisualShader::TYPE_COLLIDE, VisualShaderNode::PORT_TYPE_SCALAR, "custom_alpha", "CUSTOM.a" },
+	{ Shader::MODE_PARTICLES, VisualShader::TYPE_COLLIDE, VisualShaderNode::PORT_TYPE_VECTOR_4D, "custom", "CUSTOM" },
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_COLLIDE, VisualShaderNode::PORT_TYPE_TRANSFORM, "transform", "TRANSFORM" },
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_COLLIDE, VisualShaderNode::PORT_TYPE_SCALAR, "delta", "DELTA" },
 	{ Shader::MODE_PARTICLES, VisualShader::TYPE_COLLIDE, VisualShaderNode::PORT_TYPE_SCALAR, "lifetime", "LIFETIME" },
@@ -2940,8 +2863,7 @@ const VisualShaderNodeInput::Port VisualShaderNodeInput::ports[] = {
 	{ Shader::MODE_SKY, VisualShader::TYPE_SKY, VisualShaderNode::PORT_TYPE_BOOLEAN, "at_half_res_pass", "AT_HALF_RES_PASS" },
 	{ Shader::MODE_SKY, VisualShader::TYPE_SKY, VisualShaderNode::PORT_TYPE_BOOLEAN, "at_quarter_res_pass", "AT_QUARTER_RES_PASS" },
 	{ Shader::MODE_SKY, VisualShader::TYPE_SKY, VisualShaderNode::PORT_TYPE_VECTOR_3D, "eyedir", "EYEDIR" },
-	{ Shader::MODE_SKY, VisualShader::TYPE_SKY, VisualShaderNode::PORT_TYPE_VECTOR_3D, "half_res_color", "HALF_RES_COLOR.rgb" },
-	{ Shader::MODE_SKY, VisualShader::TYPE_SKY, VisualShaderNode::PORT_TYPE_SCALAR, "half_res_alpha", "HALF_RES_COLOR.a" },
+	{ Shader::MODE_SKY, VisualShader::TYPE_SKY, VisualShaderNode::PORT_TYPE_VECTOR_4D, "half_res_color", "HALF_RES_COLOR" },
 	{ Shader::MODE_SKY, VisualShader::TYPE_SKY, VisualShaderNode::PORT_TYPE_VECTOR_3D, "light0_color", "LIGHT0_COLOR" },
 	{ Shader::MODE_SKY, VisualShader::TYPE_SKY, VisualShaderNode::PORT_TYPE_VECTOR_3D, "light0_direction", "LIGHT0_DIRECTION" },
 	{ Shader::MODE_SKY, VisualShader::TYPE_SKY, VisualShaderNode::PORT_TYPE_BOOLEAN, "light0_enabled", "LIGHT0_ENABLED" },
@@ -2959,8 +2881,7 @@ const VisualShaderNodeInput::Port VisualShaderNodeInput::ports[] = {
 	{ Shader::MODE_SKY, VisualShader::TYPE_SKY, VisualShaderNode::PORT_TYPE_BOOLEAN, "light3_enabled", "LIGHT3_ENABLED" },
 	{ Shader::MODE_SKY, VisualShader::TYPE_SKY, VisualShaderNode::PORT_TYPE_SCALAR, "light3_energy", "LIGHT3_ENERGY" },
 	{ Shader::MODE_SKY, VisualShader::TYPE_SKY, VisualShaderNode::PORT_TYPE_VECTOR_3D, "position", "POSITION" },
-	{ Shader::MODE_SKY, VisualShader::TYPE_SKY, VisualShaderNode::PORT_TYPE_VECTOR_3D, "quarter_res_color", "QUARTER_RES_COLOR.rgb" },
-	{ Shader::MODE_SKY, VisualShader::TYPE_SKY, VisualShaderNode::PORT_TYPE_SCALAR, "quarter_res_alpha", "QUARTER_RES_COLOR.a" },
+	{ Shader::MODE_SKY, VisualShader::TYPE_SKY, VisualShaderNode::PORT_TYPE_VECTOR_4D, "quarter_res_color", "QUARTER_RES_COLOR" },
 	{ Shader::MODE_SKY, VisualShader::TYPE_SKY, VisualShaderNode::PORT_TYPE_SAMPLER, "radiance", "RADIANCE" },
 	{ Shader::MODE_SKY, VisualShader::TYPE_SKY, VisualShaderNode::PORT_TYPE_VECTOR_2D, "screen_uv", "SCREEN_UV" },
 	{ Shader::MODE_SKY, VisualShader::TYPE_SKY, VisualShaderNode::PORT_TYPE_VECTOR_2D, "sky_coords", "SKY_COORDS" },
@@ -2986,20 +2907,20 @@ const VisualShaderNodeInput::Port VisualShaderNodeInput::preview_ports[] = {
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_VECTOR_3D, "binormal", "vec3(1.0, 0.0, 0.0)" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_VECTOR_2D, "uv", "UV" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_VECTOR_2D, "uv2", "UV" },
-	{ Shader::MODE_SPATIAL, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_VECTOR_3D, "color", "vec3(1.0)" },
+	{ Shader::MODE_SPATIAL, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_VECTOR_4D, "color", "vec4(1.0)" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_SCALAR, "alpha", "1.0" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_VECTOR_2D, "viewport_size", "vec2(1.0)" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_SCALAR, "time", "TIME" },
 
 	// Spatial, Fragment
 
-	{ Shader::MODE_SPATIAL, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "fragcoord", "FRAGCOORD.rgb" },
+	{ Shader::MODE_SPATIAL, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_4D, "fragcoord", "FRAGCOORD" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "normal", "vec3(0.0, 0.0, 1.0)" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "tangent", "vec3(0.0, 1.0, 0.0)" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "binormal", "vec3(1.0, 0.0, 0.0)" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_2D, "uv", "UV" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_2D, "uv2", "UV" },
-	{ Shader::MODE_SPATIAL, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "color", "vec3(1.0)" },
+	{ Shader::MODE_SPATIAL, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_4D, "color", "vec4(1.0)" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_SCALAR, "alpha", "1.0" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_2D, "screen_uv", "SCREEN_UV" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_2D, "viewport_size", "vec2(1.0)" },
@@ -3007,7 +2928,7 @@ const VisualShaderNodeInput::Port VisualShaderNodeInput::preview_ports[] = {
 
 	// Spatial, Light
 
-	{ Shader::MODE_SPATIAL, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "fragcoord", "FRAGCOORD.rgb" },
+	{ Shader::MODE_SPATIAL, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_4D, "fragcoord", "FRAGCOORD" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "normal", "vec3(0.0, 0.0, 1.0)" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_2D, "uv", "UV" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_2D, "uv2", "UV" },
@@ -3018,25 +2939,25 @@ const VisualShaderNodeInput::Port VisualShaderNodeInput::preview_ports[] = {
 
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_VECTOR_2D, "vertex", "VERTEX" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_VECTOR_2D, "uv", "UV" },
-	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_VECTOR_3D, "color", "vec3(1.0)" },
+	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_VECTOR_4D, "color", "vec4(1.0)" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_SCALAR, "alpha", "1.0" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_SCALAR, "time", "TIME" },
 
 	// Canvas Item, Fragment
 
-	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "fragcoord", "FRAGCOORD.rgb" },
+	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_4D, "fragcoord", "FRAGCOORD" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_2D, "uv", "UV" },
-	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "color", "vec3(1.0)" },
+	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_4D, "color", "vec3(1.0)" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_SCALAR, "alpha", "1.0" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_2D, "screen_uv", "SCREEN_UV" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_SCALAR, "time", "TIME" },
 
 	// Canvas Item, Light
 
-	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "fragcoord", "FRAGCOORD.rgb" },
+	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_4D, "fragcoord", "FRAGCOORD" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_2D, "uv", "UV" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "normal", "vec3(0.0, 0.0, 1.0)" },
-	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "color", "vec3(1.0)" },
+	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_4D, "color", "vec4(1.0)" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_SCALAR, "alpha", "1.0" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_2D, "screen_uv", "SCREEN_UV" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_SCALAR, "time", "TIME" },
@@ -3078,7 +2999,7 @@ int VisualShaderNodeInput::get_output_port_count() const {
 }
 
 VisualShaderNodeInput::PortType VisualShaderNodeInput::get_output_port_type(int p_port) const {
-	return get_input_type_by_name(input_name);
+	return p_port == 0 ? get_input_type_by_name(input_name) : PORT_TYPE_SCALAR;
 }
 
 String VisualShaderNodeInput::get_output_port_name(int p_port) const {
@@ -3089,6 +3010,22 @@ String VisualShaderNodeInput::get_caption() const {
 	return "Input";
 }
 
+bool VisualShaderNodeInput::is_output_port_expandable(int p_port) const {
+	if (p_port == 0) {
+		switch (get_input_type_by_name(input_name)) {
+			case PORT_TYPE_VECTOR_2D:
+				return true;
+			case PORT_TYPE_VECTOR_3D:
+				return true;
+			case PORT_TYPE_VECTOR_4D:
+				return true;
+			default:
+				return false;
+		}
+	}
+	return false;
+}
+
 String VisualShaderNodeInput::generate_code(Shader::Mode p_mode, VisualShader::Type p_type, int p_id, const String *p_input_vars, const String *p_output_vars, bool p_for_preview) const {
 	if (get_output_port_type(0) == PORT_TYPE_SAMPLER) {
 		return "";
@@ -3548,8 +3485,7 @@ const VisualShaderNodeOutput::Port VisualShaderNodeOutput::ports[] = {
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_VECTOR_3D, "binormal", "BINORMAL" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_VECTOR_2D, "uv", "UV" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_VECTOR_2D, "uv2", "UV2" },
-	{ Shader::MODE_SPATIAL, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_VECTOR_3D, "color", "COLOR.rgb" },
-	{ Shader::MODE_SPATIAL, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_SCALAR, "alpha", "COLOR.a" },
+	{ Shader::MODE_SPATIAL, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_VECTOR_4D, "color", "COLOR" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_SCALAR, "roughness", "ROUGHNESS" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_SCALAR, "point_size", "POINT_SIZE" },
 	{ Shader::MODE_SPATIAL, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_TRANSFORM, "model_view_matrix", "MODELVIEW_MATRIX" },
@@ -3597,14 +3533,12 @@ const VisualShaderNodeOutput::Port VisualShaderNodeOutput::ports[] = {
 	////////////////////////////////////////////////////////////////////////
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_VECTOR_2D, "vertex", "VERTEX" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_VECTOR_2D, "uv", "UV" },
-	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_VECTOR_3D, "color", "COLOR.rgb" },
-	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_SCALAR, "alpha", "COLOR.a" },
+	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_VECTOR_4D, "color", "COLOR" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_SCALAR, "point_size", "POINT_SIZE" },
 	////////////////////////////////////////////////////////////////////////
 	// Canvas Item, Fragment.
 	////////////////////////////////////////////////////////////////////////
-	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "color", "COLOR.rgb" },
-	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_SCALAR, "alpha", "COLOR.a" },
+	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_4D, "color", "COLOR" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "normal", "NORMAL" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "normal_map", "NORMAL_MAP" },
 	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_FRAGMENT, VisualShaderNode::PORT_TYPE_SCALAR, "normal_map_depth", "NORMAL_MAP_DEPTH" },
@@ -3613,16 +3547,14 @@ const VisualShaderNodeOutput::Port VisualShaderNodeOutput::ports[] = {
 	////////////////////////////////////////////////////////////////////////
 	// Canvas Item, Light.
 	////////////////////////////////////////////////////////////////////////
-	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "light", "LIGHT.rgb" },
-	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_SCALAR, "light_alpha", "LIGHT.a" },
+	{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_4D, "light", "LIGHT" },
 
 	////////////////////////////////////////////////////////////////////////
 	// Sky, Sky.
 	////////////////////////////////////////////////////////////////////////
 	{ Shader::MODE_SKY, VisualShader::TYPE_SKY, VisualShaderNode::PORT_TYPE_VECTOR_3D, "color", "COLOR" },
 	{ Shader::MODE_SKY, VisualShader::TYPE_SKY, VisualShaderNode::PORT_TYPE_SCALAR, "alpha", "ALPHA" },
-	{ Shader::MODE_SKY, VisualShader::TYPE_SKY, VisualShaderNode::PORT_TYPE_VECTOR_3D, "fog", "FOG.rgb" },
-	{ Shader::MODE_SKY, VisualShader::TYPE_SKY, VisualShaderNode::PORT_TYPE_SCALAR, "fog_alpha", "FOG.a" },
+	{ Shader::MODE_SKY, VisualShader::TYPE_SKY, VisualShaderNode::PORT_TYPE_VECTOR_4D, "fog", "FOG" },
 
 	////////////////////////////////////////////////////////////////////////
 	// Fog, Fog.