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visual_shader_editor_plugin.cpp
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visual_shader_editor_plugin.cpp
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/*************************************************************************/
/* visual_shader_editor_plugin.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "visual_shader_editor_plugin.h"
#include "core/config/project_settings.h"
#include "core/input/input.h"
#include "core/io/resource_loader.h"
#include "core/math/math_defs.h"
#include "core/os/keyboard.h"
#include "core/version.h"
#include "editor/editor_log.h"
#include "editor/editor_properties.h"
#include "editor/editor_scale.h"
#include "scene/animation/animation_player.h"
#include "scene/gui/menu_button.h"
#include "scene/gui/panel.h"
#include "scene/main/window.h"
#include "scene/resources/visual_shader_nodes.h"
#include "servers/display_server.h"
#include "servers/rendering/shader_types.h"
struct FloatConstantDef {
String name;
float value = 0;
String desc;
};
static FloatConstantDef float_constant_defs[] = {
{ "E", Math_E, TTR("E constant (2.718282). Represents the base of the natural logarithm.") },
{ "Epsilon", CMP_EPSILON, TTR("Epsilon constant (0.00001). Smallest possible scalar number.") },
{ "Phi", 1.618034f, TTR("Phi constant (1.618034). Golden ratio.") },
{ "Pi/4", Math_PI / 4, TTR("Pi/4 constant (0.785398) or 45 degrees.") },
{ "Pi/2", Math_PI / 2, TTR("Pi/2 constant (1.570796) or 90 degrees.") },
{ "Pi", Math_PI, TTR("Pi constant (3.141593) or 180 degrees.") },
{ "Tau", Math_TAU, TTR("Tau constant (6.283185) or 360 degrees.") },
{ "Sqrt2", Math_SQRT2, TTR("Sqrt2 constant (1.414214). Square root of 2.") }
};
const int MAX_FLOAT_CONST_DEFS = sizeof(float_constant_defs) / sizeof(FloatConstantDef);
///////////////////
Control *VisualShaderNodePlugin::create_editor(const Ref<Resource> &p_parent_resource, const Ref<VisualShaderNode> &p_node) {
if (get_script_instance()) {
return get_script_instance()->call("create_editor", p_parent_resource, p_node);
}
return nullptr;
}
void VisualShaderNodePlugin::_bind_methods() {
BIND_VMETHOD(MethodInfo(Variant::OBJECT, "create_editor", PropertyInfo(Variant::OBJECT, "parent_resource", PROPERTY_HINT_RESOURCE_TYPE, "Resource"), PropertyInfo(Variant::OBJECT, "for_node", PROPERTY_HINT_RESOURCE_TYPE, "VisualShaderNode")));
}
///////////////////
static Ref<StyleBoxEmpty> make_empty_stylebox(float p_margin_left = -1, float p_margin_top = -1, float p_margin_right = -1, float p_margin_bottom = -1) {
Ref<StyleBoxEmpty> style(memnew(StyleBoxEmpty));
style->set_default_margin(SIDE_LEFT, p_margin_left * EDSCALE);
style->set_default_margin(SIDE_RIGHT, p_margin_right * EDSCALE);
style->set_default_margin(SIDE_BOTTOM, p_margin_bottom * EDSCALE);
style->set_default_margin(SIDE_TOP, p_margin_top * EDSCALE);
return style;
}
///////////////////
VisualShaderGraphPlugin::VisualShaderGraphPlugin() {
}
void VisualShaderGraphPlugin::_bind_methods() {
ClassDB::bind_method("add_node", &VisualShaderGraphPlugin::add_node);
ClassDB::bind_method("remove_node", &VisualShaderGraphPlugin::remove_node);
ClassDB::bind_method("connect_nodes", &VisualShaderGraphPlugin::connect_nodes);
ClassDB::bind_method("disconnect_nodes", &VisualShaderGraphPlugin::disconnect_nodes);
ClassDB::bind_method("set_node_position", &VisualShaderGraphPlugin::set_node_position);
ClassDB::bind_method("set_node_size", &VisualShaderGraphPlugin::set_node_size);
ClassDB::bind_method("update_node", &VisualShaderGraphPlugin::update_node);
ClassDB::bind_method("update_node_deferred", &VisualShaderGraphPlugin::update_node_deferred);
ClassDB::bind_method("set_input_port_default_value", &VisualShaderGraphPlugin::set_input_port_default_value);
ClassDB::bind_method("set_uniform_name", &VisualShaderGraphPlugin::set_uniform_name);
ClassDB::bind_method("set_expression", &VisualShaderGraphPlugin::set_expression);
ClassDB::bind_method("update_curve", &VisualShaderGraphPlugin::update_curve);
ClassDB::bind_method("update_constant", &VisualShaderGraphPlugin::update_constant);
}
void VisualShaderGraphPlugin::register_shader(VisualShader *p_shader) {
visual_shader = Ref<VisualShader>(p_shader);
}
void VisualShaderGraphPlugin::set_connections(List<VisualShader::Connection> &p_connections) {
connections = p_connections;
}
void VisualShaderGraphPlugin::show_port_preview(VisualShader::Type p_type, int p_node_id, int p_port_id) {
if (visual_shader->get_shader_type() == p_type && links.has(p_node_id) && links[p_node_id].output_ports.has(p_port_id)) {
for (Map<int, Port>::Element *E = links[p_node_id].output_ports.front(); E; E = E->next()) {
if (E->value().preview_button != nullptr) {
E->value().preview_button->set_pressed(false);
}
}
if (links[p_node_id].preview_visible && !is_dirty() && links[p_node_id].preview_box != nullptr) {
links[p_node_id].graph_node->remove_child(links[p_node_id].preview_box);
memdelete(links[p_node_id].preview_box);
links[p_node_id].graph_node->set_size(Vector2(-1, -1));
links[p_node_id].preview_visible = false;
}
if (p_port_id != -1 && links[p_node_id].output_ports[p_port_id].preview_button != nullptr) {
if (is_dirty()) {
links[p_node_id].preview_pos = links[p_node_id].graph_node->get_child_count();
}
VBoxContainer *vbox = memnew(VBoxContainer);
links[p_node_id].graph_node->add_child(vbox);
if (links[p_node_id].preview_pos != -1) {
links[p_node_id].graph_node->move_child(vbox, links[p_node_id].preview_pos);
}
Control *offset = memnew(Control);
offset->set_custom_minimum_size(Size2(0, 5 * EDSCALE));
vbox->add_child(offset);
VisualShaderNodePortPreview *port_preview = memnew(VisualShaderNodePortPreview);
port_preview->setup(visual_shader, visual_shader->get_shader_type(), p_node_id, p_port_id);
port_preview->set_h_size_flags(Control::SIZE_SHRINK_CENTER);
vbox->add_child(port_preview);
links[p_node_id].preview_visible = true;
links[p_node_id].preview_box = vbox;
links[p_node_id].output_ports[p_port_id].preview_button->set_pressed(true);
}
}
}
void VisualShaderGraphPlugin::update_node_deferred(VisualShader::Type p_type, int p_node_id) {
call_deferred("update_node", p_type, p_node_id);
}
void VisualShaderGraphPlugin::update_node(VisualShader::Type p_type, int p_node_id) {
if (p_type != visual_shader->get_shader_type() || !links.has(p_node_id)) {
return;
}
remove_node(p_type, p_node_id);
add_node(p_type, p_node_id);
}
void VisualShaderGraphPlugin::set_input_port_default_value(VisualShader::Type p_type, int p_node_id, int p_port_id, Variant p_value) {
if (p_type != visual_shader->get_shader_type() || !links.has(p_node_id)) {
return;
}
Button *button = links[p_node_id].input_ports[p_port_id].default_input_button;
switch (p_value.get_type()) {
case Variant::COLOR: {
button->set_custom_minimum_size(Size2(30, 0) * EDSCALE);
if (!button->is_connected("draw", callable_mp(VisualShaderEditor::get_singleton(), &VisualShaderEditor::_draw_color_over_button))) {
button->connect("draw", callable_mp(VisualShaderEditor::get_singleton(), &VisualShaderEditor::_draw_color_over_button), varray(button, p_value));
}
} break;
case Variant::BOOL: {
button->set_text(((bool)p_value) ? "true" : "false");
} break;
case Variant::INT:
case Variant::FLOAT: {
button->set_text(String::num(p_value, 4));
} break;
case Variant::VECTOR3: {
Vector3 v = p_value;
button->set_text(String::num(v.x, 3) + "," + String::num(v.y, 3) + "," + String::num(v.z, 3));
} break;
default: {
}
}
}
void VisualShaderGraphPlugin::set_uniform_name(VisualShader::Type p_type, int p_node_id, const String &p_name) {
if (visual_shader->get_shader_type() == p_type && links.has(p_node_id) && links[p_node_id].uniform_name != nullptr) {
links[p_node_id].uniform_name->set_text(p_name);
}
}
void VisualShaderGraphPlugin::update_curve(int p_node_id) {
if (links.has(p_node_id) && links[p_node_id].curve_editor) {
if (((VisualShaderNodeCurveTexture *)links[p_node_id].visual_node)->get_texture().is_valid()) {
links[p_node_id].curve_editor->set_curve(((VisualShaderNodeCurveTexture *)links[p_node_id].visual_node)->get_texture()->get_curve());
}
}
}
int VisualShaderGraphPlugin::get_constant_index(float p_constant) const {
for (int i = 0; i < MAX_FLOAT_CONST_DEFS; i++) {
if (Math::is_equal_approx(p_constant, float_constant_defs[i].value)) {
return i + 1;
}
}
return 0;
}
void VisualShaderGraphPlugin::update_constant(VisualShader::Type p_type, int p_node_id) {
if (p_type != visual_shader->get_shader_type() || !links.has(p_node_id) || !links[p_node_id].const_op) {
return;
}
VisualShaderNodeFloatConstant *float_const = Object::cast_to<VisualShaderNodeFloatConstant>(links[p_node_id].visual_node);
if (!float_const) {
return;
}
links[p_node_id].const_op->select(get_constant_index(float_const->get_constant()));
links[p_node_id].graph_node->set_size(Size2(-1, -1));
}
void VisualShaderGraphPlugin::set_expression(VisualShader::Type p_type, int p_node_id, const String &p_expression) {
if (p_type != visual_shader->get_shader_type() || !links.has(p_node_id) || !links[p_node_id].expression_edit) {
return;
}
links[p_node_id].expression_edit->set_text(p_expression);
}
void VisualShaderGraphPlugin::update_node_size(int p_node_id) {
if (!links.has(p_node_id)) {
return;
}
links[p_node_id].graph_node->set_size(Size2(-1, -1));
}
void VisualShaderGraphPlugin::register_default_input_button(int p_node_id, int p_port_id, Button *p_button) {
links[p_node_id].input_ports.insert(p_port_id, { p_button });
}
void VisualShaderGraphPlugin::register_constant_option_btn(int p_node_id, OptionButton *p_button) {
links[p_node_id].const_op = p_button;
}
void VisualShaderGraphPlugin::register_expression_edit(int p_node_id, CodeEdit *p_expression_edit) {
links[p_node_id].expression_edit = p_expression_edit;
}
void VisualShaderGraphPlugin::register_curve_editor(int p_node_id, CurveEditor *p_curve_editor) {
links[p_node_id].curve_editor = p_curve_editor;
}
void VisualShaderGraphPlugin::update_uniform_refs() {
for (Map<int, Link>::Element *E = links.front(); E; E = E->next()) {
VisualShaderNodeUniformRef *ref = Object::cast_to<VisualShaderNodeUniformRef>(E->get().visual_node);
if (ref) {
remove_node(E->get().type, E->key());
add_node(E->get().type, E->key());
}
}
}
VisualShader::Type VisualShaderGraphPlugin::get_shader_type() const {
return visual_shader->get_shader_type();
}
void VisualShaderGraphPlugin::set_node_position(VisualShader::Type p_type, int p_id, const Vector2 &p_position) {
if (visual_shader->get_shader_type() == p_type && links.has(p_id)) {
links[p_id].graph_node->set_position_offset(p_position);
}
}
void VisualShaderGraphPlugin::set_node_size(VisualShader::Type p_type, int p_id, const Vector2 &p_size) {
if (visual_shader->get_shader_type() == p_type && links.has(p_id)) {
links[p_id].graph_node->set_size(p_size);
}
}
bool VisualShaderGraphPlugin::is_preview_visible(int p_id) const {
return links[p_id].preview_visible;
}
void VisualShaderGraphPlugin::clear_links() {
links.clear();
}
bool VisualShaderGraphPlugin::is_dirty() const {
return dirty;
}
void VisualShaderGraphPlugin::make_dirty(bool p_enabled) {
dirty = p_enabled;
}
void VisualShaderGraphPlugin::register_link(VisualShader::Type p_type, int p_id, VisualShaderNode *p_visual_node, GraphNode *p_graph_node) {
links.insert(p_id, { p_type, p_visual_node, p_graph_node, p_visual_node->get_output_port_for_preview() != -1, -1, Map<int, InputPort>(), Map<int, Port>(), nullptr, nullptr, nullptr, nullptr, nullptr });
}
void VisualShaderGraphPlugin::register_output_port(int p_node_id, int p_port, TextureButton *p_button) {
links[p_node_id].output_ports.insert(p_port, { p_button });
}
void VisualShaderGraphPlugin::register_uniform_name(int p_node_id, LineEdit *p_uniform_name) {
links[p_node_id].uniform_name = p_uniform_name;
}
void VisualShaderGraphPlugin::add_node(VisualShader::Type p_type, int p_id) {
if (p_type != visual_shader->get_shader_type()) {
return;
}
Control *offset;
static Ref<StyleBoxEmpty> label_style = make_empty_stylebox(2, 1, 2, 1);
static const Color type_color[6] = {
Color(0.38, 0.85, 0.96), // scalar (float)
Color(0.49, 0.78, 0.94), // scalar (int)
Color(0.84, 0.49, 0.93), // vector
Color(0.55, 0.65, 0.94), // boolean
Color(0.96, 0.66, 0.43), // transform
Color(1.0, 1.0, 0.0), // sampler
};
Ref<VisualShaderNode> vsnode = visual_shader->get_node(p_type, p_id);
Ref<VisualShaderNodeResizableBase> resizable_node = Object::cast_to<VisualShaderNodeResizableBase>(vsnode.ptr());
bool is_resizable = !resizable_node.is_null();
Size2 size = Size2(0, 0);
Ref<VisualShaderNodeGroupBase> group_node = Object::cast_to<VisualShaderNodeGroupBase>(vsnode.ptr());
bool is_group = !group_node.is_null();
Ref<VisualShaderNodeExpression> expression_node = Object::cast_to<VisualShaderNodeExpression>(group_node.ptr());
bool is_expression = !expression_node.is_null();
String expression = "";
GraphNode *node = memnew(GraphNode);
register_link(p_type, p_id, vsnode.ptr(), node);
if (is_resizable) {
size = resizable_node->get_size();
node->set_resizable(true);
node->connect("resize_request", callable_mp(VisualShaderEditor::get_singleton(), &VisualShaderEditor::_node_resized), varray((int)p_type, p_id));
}
if (is_expression) {
expression = expression_node->get_expression();
}
node->set_position_offset(visual_shader->get_node_position(p_type, p_id));
node->set_title(vsnode->get_caption());
node->set_name(itos(p_id));
if (p_id >= 2) {
node->set_show_close_button(true);
node->connect("close_request", callable_mp(VisualShaderEditor::get_singleton(), &VisualShaderEditor::_delete_node_request), varray(p_type, p_id), CONNECT_DEFERRED);
}
node->connect("dragged", callable_mp(VisualShaderEditor::get_singleton(), &VisualShaderEditor::_node_dragged), varray(p_id));
Control *custom_editor = nullptr;
int port_offset = 0;
if (is_group) {
port_offset += 2;
}
Ref<VisualShaderNodeUniform> uniform = vsnode;
if (uniform.is_valid()) {
VisualShaderEditor::get_singleton()->graph->add_child(node);
VisualShaderEditor::get_singleton()->_update_created_node(node);
LineEdit *uniform_name = memnew(LineEdit);
register_uniform_name(p_id, uniform_name);
uniform_name->set_text(uniform->get_uniform_name());
node->add_child(uniform_name);
uniform_name->connect("text_entered", callable_mp(VisualShaderEditor::get_singleton(), &VisualShaderEditor::_uniform_line_edit_changed), varray(p_id));
uniform_name->connect("focus_exited", callable_mp(VisualShaderEditor::get_singleton(), &VisualShaderEditor::_uniform_line_edit_focus_out), varray(uniform_name, p_id));
if (vsnode->get_input_port_count() == 0 && vsnode->get_output_port_count() == 1 && vsnode->get_output_port_name(0) == "") {
//shortcut
VisualShaderNode::PortType port_right = vsnode->get_output_port_type(0);
node->set_slot(0, false, VisualShaderNode::PORT_TYPE_SCALAR, Color(), true, port_right, type_color[port_right]);
if (!vsnode->is_use_prop_slots()) {
return;
}
}
port_offset++;
}
for (int i = 0; i < VisualShaderEditor::get_singleton()->plugins.size(); i++) {
vsnode->set_meta("id", p_id);
vsnode->set_meta("shader_type", (int)p_type);
custom_editor = VisualShaderEditor::get_singleton()->plugins.write[i]->create_editor(visual_shader, vsnode);
vsnode->remove_meta("id");
vsnode->remove_meta("shader_type");
if (custom_editor) {
if (vsnode->is_show_prop_names()) {
custom_editor->call_deferred("_show_prop_names", true);
}
break;
}
}
Ref<VisualShaderNodeCurveTexture> curve = vsnode;
if (curve.is_valid()) {
if (curve->get_texture().is_valid() && !curve->get_texture()->is_connected("changed", callable_mp(VisualShaderEditor::get_singleton()->get_graph_plugin(), &VisualShaderGraphPlugin::update_curve))) {
curve->get_texture()->connect("changed", callable_mp(VisualShaderEditor::get_singleton()->get_graph_plugin(), &VisualShaderGraphPlugin::update_curve), varray(p_id));
}
HBoxContainer *hbox = memnew(HBoxContainer);
custom_editor->set_h_size_flags(Control::SIZE_EXPAND_FILL);
hbox->add_child(custom_editor);
custom_editor = hbox;
}
Ref<VisualShaderNodeFloatConstant> float_const = vsnode;
if (float_const.is_valid()) {
HBoxContainer *hbox = memnew(HBoxContainer);
hbox->add_child(custom_editor);
OptionButton *btn = memnew(OptionButton);
hbox->add_child(btn);
register_constant_option_btn(p_id, btn);
btn->add_item("");
for (int i = 0; i < MAX_FLOAT_CONST_DEFS; i++) {
btn->add_item(float_constant_defs[i].name);
}
btn->select(get_constant_index(float_const->get_constant()));
btn->connect("item_selected", callable_mp(VisualShaderEditor::get_singleton(), &VisualShaderEditor::_float_constant_selected), varray(p_id));
custom_editor = hbox;
}
if (custom_editor && !vsnode->is_use_prop_slots() && vsnode->get_output_port_count() > 0 && vsnode->get_output_port_name(0) == "" && (vsnode->get_input_port_count() == 0 || vsnode->get_input_port_name(0) == "")) {
//will be embedded in first port
} else if (custom_editor) {
port_offset++;
node->add_child(custom_editor);
if (curve.is_valid()) {
VisualShaderEditor::get_singleton()->graph->add_child(node);
VisualShaderEditor::get_singleton()->_update_created_node(node);
CurveEditor *curve_editor = memnew(CurveEditor);
node->add_child(curve_editor);
register_curve_editor(p_id, curve_editor);
curve_editor->set_custom_minimum_size(Size2(300, 0));
curve_editor->set_h_size_flags(Control::SIZE_EXPAND_FILL);
if (curve->get_texture().is_valid()) {
curve_editor->set_curve(curve->get_texture()->get_curve());
}
TextureButton *preview = memnew(TextureButton);
preview->set_toggle_mode(true);
preview->set_normal_texture(VisualShaderEditor::get_singleton()->get_theme_icon("GuiVisibilityHidden", "EditorIcons"));
preview->set_pressed_texture(VisualShaderEditor::get_singleton()->get_theme_icon("GuiVisibilityVisible", "EditorIcons"));
preview->set_v_size_flags(Control::SIZE_SHRINK_CENTER);
register_output_port(p_id, 0, preview);
preview->connect("pressed", callable_mp(VisualShaderEditor::get_singleton(), &VisualShaderEditor::_preview_select_port), varray(p_id, 0), CONNECT_DEFERRED);
custom_editor->add_child(preview);
VisualShaderNode::PortType port_left = vsnode->get_input_port_type(0);
VisualShaderNode::PortType port_right = vsnode->get_output_port_type(0);
node->set_slot(0, true, port_left, type_color[port_left], true, port_right, type_color[port_right]);
VisualShaderEditor::get_singleton()->call_deferred("_set_node_size", (int)p_type, p_id, size);
}
if (vsnode->is_use_prop_slots()) {
return;
}
custom_editor = nullptr;
}
if (is_group) {
offset = memnew(Control);
offset->set_custom_minimum_size(Size2(0, 6 * EDSCALE));
node->add_child(offset);
if (group_node->is_editable()) {
HBoxContainer *hb2 = memnew(HBoxContainer);
String input_port_name = "input" + itos(group_node->get_free_input_port_id());
String output_port_name = "output" + itos(group_node->get_free_output_port_id());
for (int i = 0; i < MAX(vsnode->get_input_port_count(), vsnode->get_output_port_count()); i++) {
if (i < vsnode->get_input_port_count()) {
if (input_port_name == vsnode->get_input_port_name(i)) {
input_port_name = "_" + input_port_name;
}
}
if (i < vsnode->get_output_port_count()) {
if (output_port_name == vsnode->get_output_port_name(i)) {
output_port_name = "_" + output_port_name;
}
}
}
Button *add_input_btn = memnew(Button);
add_input_btn->set_text(TTR("Add Input"));
add_input_btn->connect("pressed", callable_mp(VisualShaderEditor::get_singleton(), &VisualShaderEditor::_add_input_port), varray(p_id, group_node->get_free_input_port_id(), VisualShaderNode::PORT_TYPE_VECTOR, input_port_name), CONNECT_DEFERRED);
hb2->add_child(add_input_btn);
hb2->add_spacer();
Button *add_output_btn = memnew(Button);
add_output_btn->set_text(TTR("Add Output"));
add_output_btn->connect("pressed", callable_mp(VisualShaderEditor::get_singleton(), &VisualShaderEditor::_add_output_port), varray(p_id, group_node->get_free_output_port_id(), VisualShaderNode::PORT_TYPE_VECTOR, output_port_name), CONNECT_DEFERRED);
hb2->add_child(add_output_btn);
node->add_child(hb2);
}
}
for (int i = 0; i < MAX(vsnode->get_input_port_count(), vsnode->get_output_port_count()); i++) {
if (vsnode->is_port_separator(i)) {
node->add_child(memnew(HSeparator));
port_offset++;
}
bool valid_left = i < vsnode->get_input_port_count();
VisualShaderNode::PortType port_left = VisualShaderNode::PORT_TYPE_SCALAR;
bool port_left_used = false;
String name_left;
if (valid_left) {
name_left = vsnode->get_input_port_name(i);
port_left = vsnode->get_input_port_type(i);
for (List<VisualShader::Connection>::Element *E = connections.front(); E; E = E->next()) {
if (E->get().to_node == p_id && E->get().to_port == i) {
port_left_used = true;
}
}
}
bool valid_right = i < vsnode->get_output_port_count();
VisualShaderNode::PortType port_right = VisualShaderNode::PORT_TYPE_SCALAR;
String name_right;
if (valid_right) {
name_right = vsnode->get_output_port_name(i);
port_right = vsnode->get_output_port_type(i);
}
HBoxContainer *hb = memnew(HBoxContainer);
hb->add_theme_constant_override("separation", 7 * EDSCALE);
Variant default_value;
if (valid_left && !port_left_used) {
default_value = vsnode->get_input_port_default_value(i);
}
Button *button = memnew(Button);
hb->add_child(button);
register_default_input_button(p_id, i, button);
button->connect("pressed", callable_mp(VisualShaderEditor::get_singleton(), &VisualShaderEditor::_edit_port_default_input), varray(button, p_id, i));
if (default_value.get_type() != Variant::NIL) { // only a label
set_input_port_default_value(p_type, p_id, i, default_value);
} else {
button->hide();
}
if (i == 0 && custom_editor) {
hb->add_child(custom_editor);
custom_editor->set_h_size_flags(Control::SIZE_EXPAND_FILL);
} else {
if (valid_left) {
if (is_group) {
OptionButton *type_box = memnew(OptionButton);
hb->add_child(type_box);
type_box->add_item(TTR("Float"));
type_box->add_item(TTR("Int"));
type_box->add_item(TTR("Vector"));
type_box->add_item(TTR("Boolean"));
type_box->add_item(TTR("Transform"));
type_box->add_item(TTR("Sampler"));
type_box->select(group_node->get_input_port_type(i));
type_box->set_custom_minimum_size(Size2(100 * EDSCALE, 0));
type_box->connect("item_selected", callable_mp(VisualShaderEditor::get_singleton(), &VisualShaderEditor::_change_input_port_type), varray(p_id, i), CONNECT_DEFERRED);
LineEdit *name_box = memnew(LineEdit);
hb->add_child(name_box);
name_box->set_custom_minimum_size(Size2(65 * EDSCALE, 0));
name_box->set_h_size_flags(Control::SIZE_EXPAND_FILL);
name_box->set_text(name_left);
name_box->connect("text_entered", callable_mp(VisualShaderEditor::get_singleton(), &VisualShaderEditor::_change_input_port_name), varray(name_box, p_id, i), CONNECT_DEFERRED);
name_box->connect("focus_exited", callable_mp(VisualShaderEditor::get_singleton(), &VisualShaderEditor::_port_name_focus_out), varray(name_box, p_id, i, false), CONNECT_DEFERRED);
Button *remove_btn = memnew(Button);
remove_btn->set_icon(EditorNode::get_singleton()->get_gui_base()->get_theme_icon("Remove", "EditorIcons"));
remove_btn->set_tooltip(TTR("Remove") + " " + name_left);
remove_btn->connect("pressed", callable_mp(VisualShaderEditor::get_singleton(), &VisualShaderEditor::_remove_input_port), varray(p_id, i), CONNECT_DEFERRED);
hb->add_child(remove_btn);
} else {
Label *label = memnew(Label);
label->set_text(name_left);
label->add_theme_style_override("normal", label_style); //more compact
hb->add_child(label);
if (vsnode->get_input_port_default_hint(i) != "" && !port_left_used) {
Label *hint_label = memnew(Label);
hint_label->set_text("[" + vsnode->get_input_port_default_hint(i) + "]");
hint_label->add_theme_color_override("font_color", VisualShaderEditor::get_singleton()->get_theme_color("font_color_readonly", "TextEdit"));
hint_label->add_theme_style_override("normal", label_style);
hb->add_child(hint_label);
}
}
}
if (!is_group) {
hb->add_spacer();
}
if (valid_right) {
if (is_group) {
Button *remove_btn = memnew(Button);
remove_btn->set_icon(EditorNode::get_singleton()->get_gui_base()->get_theme_icon("Remove", "EditorIcons"));
remove_btn->set_tooltip(TTR("Remove") + " " + name_left);
remove_btn->connect("pressed", callable_mp(VisualShaderEditor::get_singleton(), &VisualShaderEditor::_remove_output_port), varray(p_id, i), CONNECT_DEFERRED);
hb->add_child(remove_btn);
LineEdit *name_box = memnew(LineEdit);
hb->add_child(name_box);
name_box->set_custom_minimum_size(Size2(65 * EDSCALE, 0));
name_box->set_h_size_flags(Control::SIZE_EXPAND_FILL);
name_box->set_text(name_right);
name_box->connect("text_entered", callable_mp(VisualShaderEditor::get_singleton(), &VisualShaderEditor::_change_output_port_name), varray(name_box, p_id, i), CONNECT_DEFERRED);
name_box->connect("focus_exited", callable_mp(VisualShaderEditor::get_singleton(), &VisualShaderEditor::_port_name_focus_out), varray(name_box, p_id, i, true), CONNECT_DEFERRED);
OptionButton *type_box = memnew(OptionButton);
hb->add_child(type_box);
type_box->add_item(TTR("Float"));
type_box->add_item(TTR("Int"));
type_box->add_item(TTR("Vector"));
type_box->add_item(TTR("Boolean"));
type_box->add_item(TTR("Transform"));
type_box->select(group_node->get_output_port_type(i));
type_box->set_custom_minimum_size(Size2(100 * EDSCALE, 0));
type_box->connect("item_selected", callable_mp(VisualShaderEditor::get_singleton(), &VisualShaderEditor::_change_output_port_type), varray(p_id, i), CONNECT_DEFERRED);
} else {
Label *label = memnew(Label);
label->set_text(name_right);
label->add_theme_style_override("normal", label_style); //more compact
hb->add_child(label);
}
}
}
if (valid_right && visual_shader->get_shader_type() == VisualShader::TYPE_FRAGMENT && port_right != VisualShaderNode::PORT_TYPE_TRANSFORM && port_right != VisualShaderNode::PORT_TYPE_SAMPLER) {
TextureButton *preview = memnew(TextureButton);
preview->set_toggle_mode(true);
preview->set_normal_texture(VisualShaderEditor::get_singleton()->get_theme_icon("GuiVisibilityHidden", "EditorIcons"));
preview->set_pressed_texture(VisualShaderEditor::get_singleton()->get_theme_icon("GuiVisibilityVisible", "EditorIcons"));
preview->set_v_size_flags(Control::SIZE_SHRINK_CENTER);
register_output_port(p_id, i, preview);
preview->connect("pressed", callable_mp(VisualShaderEditor::get_singleton(), &VisualShaderEditor::_preview_select_port), varray(p_id, i), CONNECT_DEFERRED);
hb->add_child(preview);
}
if (is_group) {
offset = memnew(Control);
offset->set_custom_minimum_size(Size2(0, 5 * EDSCALE));
node->add_child(offset);
port_offset++;
}
node->add_child(hb);
node->set_slot(i + port_offset, valid_left, port_left, type_color[port_left], valid_right, port_right, type_color[port_right]);
}
if (vsnode->get_output_port_for_preview() >= 0) {
show_port_preview(p_type, p_id, vsnode->get_output_port_for_preview());
}
offset = memnew(Control);
offset->set_custom_minimum_size(Size2(0, 4 * EDSCALE));
node->add_child(offset);
String error = vsnode->get_warning(visual_shader->get_mode(), p_type);
if (error != String()) {
Label *error_label = memnew(Label);
error_label->add_theme_color_override("font_color", VisualShaderEditor::get_singleton()->get_theme_color("error_color", "Editor"));
error_label->set_text(error);
node->add_child(error_label);
}
if (is_expression) {
CodeEdit *expression_box = memnew(CodeEdit);
Ref<CodeHighlighter> expression_syntax_highlighter;
expression_syntax_highlighter.instance();
expression_node->set_control(expression_box, 0);
node->add_child(expression_box);
register_expression_edit(p_id, expression_box);
Color background_color = EDITOR_GET("text_editor/highlighting/background_color");
Color text_color = EDITOR_GET("text_editor/highlighting/text_color");
Color keyword_color = EDITOR_GET("text_editor/highlighting/keyword_color");
Color comment_color = EDITOR_GET("text_editor/highlighting/comment_color");
Color symbol_color = EDITOR_GET("text_editor/highlighting/symbol_color");
Color function_color = EDITOR_GET("text_editor/highlighting/function_color");
Color number_color = EDITOR_GET("text_editor/highlighting/number_color");
Color members_color = EDITOR_GET("text_editor/highlighting/member_variable_color");
expression_box->set_syntax_highlighter(expression_syntax_highlighter);
expression_box->add_theme_color_override("background_color", background_color);
for (List<String>::Element *E = VisualShaderEditor::get_singleton()->keyword_list.front(); E; E = E->next()) {
expression_syntax_highlighter->add_keyword_color(E->get(), keyword_color);
}
expression_box->add_theme_font_override("font", VisualShaderEditor::get_singleton()->get_theme_font("expression", "EditorFonts"));
expression_box->add_theme_font_size_override("font_size", VisualShaderEditor::get_singleton()->get_theme_font_size("expression_size", "EditorFonts"));
expression_box->add_theme_color_override("font_color", text_color);
expression_syntax_highlighter->set_number_color(number_color);
expression_syntax_highlighter->set_symbol_color(symbol_color);
expression_syntax_highlighter->set_function_color(function_color);
expression_syntax_highlighter->set_member_variable_color(members_color);
expression_syntax_highlighter->add_color_region("/*", "*/", comment_color, false);
expression_syntax_highlighter->add_color_region("//", "", comment_color, true);
expression_box->set_text(expression);
expression_box->set_context_menu_enabled(false);
expression_box->set_draw_line_numbers(true);
expression_box->connect("focus_exited", callable_mp(VisualShaderEditor::get_singleton(), &VisualShaderEditor::_expression_focus_out), varray(expression_box, p_id));
}
if (!uniform.is_valid()) {
VisualShaderEditor::get_singleton()->graph->add_child(node);
VisualShaderEditor::get_singleton()->_update_created_node(node);
if (is_resizable) {
VisualShaderEditor::get_singleton()->call_deferred("_set_node_size", (int)p_type, p_id, size);
}
}
}
void VisualShaderGraphPlugin::remove_node(VisualShader::Type p_type, int p_id) {
if (visual_shader->get_shader_type() == p_type && links.has(p_id)) {
links[p_id].graph_node->get_parent()->remove_child(links[p_id].graph_node);
memdelete(links[p_id].graph_node);
links.erase(p_id);
}
}
void VisualShaderGraphPlugin::connect_nodes(VisualShader::Type p_type, int p_from_node, int p_from_port, int p_to_node, int p_to_port) {
if (visual_shader->get_shader_type() == p_type) {
VisualShaderEditor::get_singleton()->graph->connect_node(itos(p_from_node), p_from_port, itos(p_to_node), p_to_port);
if (links[p_to_node].input_ports.has(p_to_port) && links[p_to_node].input_ports[p_to_port].default_input_button != nullptr) {
links[p_to_node].input_ports[p_to_port].default_input_button->hide();
}
}
}
void VisualShaderGraphPlugin::disconnect_nodes(VisualShader::Type p_type, int p_from_node, int p_from_port, int p_to_node, int p_to_port) {
if (visual_shader->get_shader_type() == p_type) {
VisualShaderEditor::get_singleton()->graph->disconnect_node(itos(p_from_node), p_from_port, itos(p_to_node), p_to_port);
if (links[p_to_node].input_ports.has(p_to_port) && links[p_to_node].input_ports[p_to_port].default_input_button != nullptr && links[p_to_node].visual_node->get_input_port_default_value(p_to_port).get_type() != Variant::NIL) {
links[p_to_node].input_ports[p_to_port].default_input_button->show();
set_input_port_default_value(p_type, p_to_node, p_to_port, links[p_to_node].visual_node->get_input_port_default_value(p_to_port));
}
}
}
VisualShaderGraphPlugin::~VisualShaderGraphPlugin() {
}
/////////////////
void VisualShaderEditor::edit(VisualShader *p_visual_shader) {
bool changed = false;
if (p_visual_shader) {
if (visual_shader.is_null()) {
changed = true;
} else {
if (visual_shader.ptr() != p_visual_shader) {
changed = true;
}
}
visual_shader = Ref<VisualShader>(p_visual_shader);
graph_plugin->register_shader(visual_shader.ptr());
if (!visual_shader->is_connected("changed", callable_mp(this, &VisualShaderEditor::_update_preview))) {
visual_shader->connect("changed", callable_mp(this, &VisualShaderEditor::_update_preview));
}
#ifndef DISABLE_DEPRECATED
String version = VERSION_BRANCH;
if (visual_shader->get_version() != version) {
visual_shader->update_version(version);
}
#endif
visual_shader->set_graph_offset(graph->get_scroll_ofs() / EDSCALE);
_set_mode(visual_shader->get_mode());
} else {
if (visual_shader.is_valid()) {
if (visual_shader->is_connected("changed", callable_mp(this, &VisualShaderEditor::_update_preview))) {
visual_shader->disconnect("changed", callable_mp(this, &VisualShaderEditor::_update_preview));
}
}
visual_shader.unref();
}
if (visual_shader.is_null()) {
hide();
} else {
if (changed) { // to avoid tree collapse
_clear_buffer();
_update_options_menu();
_update_preview();
_update_graph();
}
}
}
void VisualShaderEditor::add_plugin(const Ref<VisualShaderNodePlugin> &p_plugin) {
if (plugins.find(p_plugin) != -1) {
return;
}
plugins.push_back(p_plugin);
}
void VisualShaderEditor::remove_plugin(const Ref<VisualShaderNodePlugin> &p_plugin) {
plugins.erase(p_plugin);
}
void VisualShaderEditor::clear_custom_types() {
for (int i = 0; i < add_options.size(); i++) {
if (add_options[i].is_custom) {
add_options.remove(i);
i--;
}
}
}
void VisualShaderEditor::add_custom_type(const String &p_name, const Ref<Script> &p_script, const String &p_description, int p_return_icon_type, const String &p_category, bool p_highend) {
ERR_FAIL_COND(!p_name.is_valid_identifier());
ERR_FAIL_COND(!p_script.is_valid());
for (int i = 0; i < add_options.size(); i++) {
if (add_options[i].is_custom) {
if (add_options[i].script == p_script) {
return;
}
}
}
AddOption ao;
ao.name = p_name;
ao.script = p_script;
ao.return_type = p_return_icon_type;
ao.description = p_description;
ao.category = p_category;
ao.highend = p_highend;
ao.is_custom = true;
bool begin = false;
String root = p_category.split("/")[0];
for (int i = 0; i < add_options.size(); i++) {
if (add_options[i].is_custom) {
if (add_options[i].category == root) {
if (!begin) {
begin = true;
}
} else {
if (begin) {
add_options.insert(i, ao);
return;
}
}
}
}
add_options.push_back(ao);
}
bool VisualShaderEditor::_is_available(int p_mode) {
int current_mode = edit_type->get_selected();
if (p_mode != -1) {
switch (current_mode) {
case 0: // Vertex or Emit
current_mode = 1;
break;
case 1: // Fragment or Process
current_mode = 2;
break;
case 2: // Light or End
current_mode = 4;
break;
default:
break;
}
}
return (p_mode == -1 || (p_mode & current_mode) != 0);
}
void VisualShaderEditor::update_custom_nodes() {
if (members_dialog->is_visible()) {
return;
}
clear_custom_types();
List<StringName> class_list;
ScriptServer::get_global_class_list(&class_list);
Dictionary added;
for (int i = 0; i < class_list.size(); i++) {
if (ScriptServer::get_global_class_native_base(class_list[i]) == "VisualShaderNodeCustom") {
String script_path = ScriptServer::get_global_class_path(class_list[i]);
Ref<Resource> res = ResourceLoader::load(script_path);
ERR_FAIL_COND(res.is_null());
ERR_FAIL_COND(!res->is_class("Script"));
Ref<Script> script = Ref<Script>(res);
Ref<VisualShaderNodeCustom> ref;
ref.instance();
ref->set_script(script);
String name;
if (ref->has_method("_get_name")) {
name = (String)ref->call("_get_name");
} else {
name = "Unnamed";
}
String description = "";
if (ref->has_method("_get_description")) {
description = (String)ref->call("_get_description");
}
int return_icon_type = -1;
if (ref->has_method("_get_return_icon_type")) {
return_icon_type = (int)ref->call("_get_return_icon_type");
}
String category = "";
if (ref->has_method("_get_category")) {
category = (String)ref->call("_get_category");
}
String subcategory = "";
if (ref->has_method("_get_subcategory")) {
subcategory = (String)ref->call("_get_subcategory");
}
bool highend = false;
if (ref->has_method("_is_highend")) {
highend = (bool)ref->call("_is_highend");
}
Dictionary dict;
dict["name"] = name;
dict["script"] = script;
dict["description"] = description;
dict["return_icon_type"] = return_icon_type;
category = category.rstrip("/");
category = category.lstrip("/");
category = "Addons/" + category;
if (subcategory != "") {
category += "/" + subcategory;
}
dict["category"] = category;
dict["highend"] = highend;
String key;
key = category + "/" + name;
added[key] = dict;
}
}
Array keys = added.keys();
keys.sort();
for (int i = 0; i < keys.size(); i++) {
const Variant &key = keys.get(i);
const Dictionary &value = (Dictionary)added[key];
add_custom_type(value["name"], value["script"], value["description"], value["return_icon_type"], value["category"], value["highend"]);