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godot/editor/plugins/shader_editor_plugin.cpp

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/*************************************************************************/
/* shader_editor_plugin.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 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 "shader_editor_plugin.h"
#include "core/io/resource_loader.h"
#include "core/io/resource_saver.h"
#include "core/os/keyboard.h"
#include "core/os/os.h"
#include "core/version_generated.gen.h"
#include "editor/editor_node.h"
#include "editor/editor_scale.h"
#include "editor/editor_settings.h"
#include "editor/filesystem_dock.h"
#include "editor/plugins/visual_shader_editor_plugin.h"
#include "editor/project_settings_editor.h"
#include "editor/property_editor.h"
#include "editor/shader_create_dialog.h"
#include "scene/gui/split_container.h"
#include "servers/display_server.h"
#include "servers/rendering/shader_types.h"
/*** SHADER SCRIPT EDITOR ****/
static bool saved_warnings_enabled = false;
static bool saved_treat_warning_as_errors = false;
static HashMap<ShaderWarning::Code, bool> saved_warnings;
static uint32_t saved_warning_flags = 0U;
void ShaderTextEditor::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_THEME_CHANGED: {
if (is_visible_in_tree()) {
_load_theme_settings();
if (warnings.size() > 0 && last_compile_result == OK) {
warnings_panel->clear();
_update_warning_panel();
}
}
} break;
}
}
Ref<Shader> ShaderTextEditor::get_edited_shader() const {
return shader;
}
void ShaderTextEditor::set_edited_shader(const Ref<Shader> &p_shader) {
if (shader == p_shader) {
return;
}
shader = p_shader;
_load_theme_settings();
get_text_editor()->set_text(p_shader->get_code());
get_text_editor()->clear_undo_history();
get_text_editor()->call_deferred(SNAME("set_h_scroll"), 0);
get_text_editor()->call_deferred(SNAME("set_v_scroll"), 0);
_validate_script();
_line_col_changed();
}
void ShaderTextEditor::reload_text() {
ERR_FAIL_COND(shader.is_null());
CodeEdit *te = get_text_editor();
int column = te->get_caret_column();
int row = te->get_caret_line();
int h = te->get_h_scroll();
int v = te->get_v_scroll();
te->set_text(shader->get_code());
te->set_caret_line(row);
te->set_caret_column(column);
te->set_h_scroll(h);
te->set_v_scroll(v);
te->tag_saved_version();
update_line_and_column();
}
void ShaderTextEditor::set_warnings_panel(RichTextLabel *p_warnings_panel) {
warnings_panel = p_warnings_panel;
}
void ShaderTextEditor::_load_theme_settings() {
CodeEdit *text_editor = get_text_editor();
Color updated_marked_line_color = EDITOR_GET("text_editor/theme/highlighting/mark_color");
if (updated_marked_line_color != marked_line_color) {
for (int i = 0; i < text_editor->get_line_count(); i++) {
if (text_editor->get_line_background_color(i) == marked_line_color) {
text_editor->set_line_background_color(i, updated_marked_line_color);
}
}
marked_line_color = updated_marked_line_color;
}
syntax_highlighter->set_number_color(EDITOR_GET("text_editor/theme/highlighting/number_color"));
syntax_highlighter->set_symbol_color(EDITOR_GET("text_editor/theme/highlighting/symbol_color"));
syntax_highlighter->set_function_color(EDITOR_GET("text_editor/theme/highlighting/function_color"));
syntax_highlighter->set_member_variable_color(EDITOR_GET("text_editor/theme/highlighting/member_variable_color"));
syntax_highlighter->clear_keyword_colors();
List<String> keywords;
ShaderLanguage::get_keyword_list(&keywords);
const Color keyword_color = EDITOR_GET("text_editor/theme/highlighting/keyword_color");
const Color control_flow_keyword_color = EDITOR_GET("text_editor/theme/highlighting/control_flow_keyword_color");
for (const String &E : keywords) {
if (ShaderLanguage::is_control_flow_keyword(E)) {
syntax_highlighter->add_keyword_color(E, control_flow_keyword_color);
} else {
syntax_highlighter->add_keyword_color(E, keyword_color);
}
}
// Colorize built-ins like `COLOR` differently to make them easier
// to distinguish from keywords at a quick glance.
List<String> built_ins;
if (shader.is_valid()) {
for (const KeyValue<StringName, ShaderLanguage::FunctionInfo> &E : ShaderTypes::get_singleton()->get_functions(RenderingServer::ShaderMode(shader->get_mode()))) {
for (const KeyValue<StringName, ShaderLanguage::BuiltInInfo> &F : E.value.built_ins) {
built_ins.push_back(F.key);
}
}
const Vector<ShaderLanguage::ModeInfo> &modes = ShaderTypes::get_singleton()->get_modes(RenderingServer::ShaderMode(shader->get_mode()));
for (int i = 0; i < modes.size(); i++) {
const ShaderLanguage::ModeInfo &info = modes[i];
if (!info.options.is_empty()) {
for (int j = 0; j < info.options.size(); j++) {
built_ins.push_back(String(info.name) + "_" + String(info.options[j]));
}
} else {
built_ins.push_back(String(info.name));
}
}
}
const Color user_type_color = EDITOR_GET("text_editor/theme/highlighting/user_type_color");
for (const String &E : built_ins) {
syntax_highlighter->add_keyword_color(E, user_type_color);
}
// Colorize comments.
const Color comment_color = EDITOR_GET("text_editor/theme/highlighting/comment_color");
syntax_highlighter->clear_color_regions();
syntax_highlighter->add_color_region("/*", "*/", comment_color, false);
syntax_highlighter->add_color_region("//", "", comment_color, true);
text_editor->clear_comment_delimiters();
text_editor->add_comment_delimiter("/*", "*/", false);
text_editor->add_comment_delimiter("//", "", true);
if (!text_editor->has_auto_brace_completion_open_key("/*")) {
text_editor->add_auto_brace_completion_pair("/*", "*/");
}
if (warnings_panel) {
// Warnings panel
warnings_panel->add_theme_font_override("normal_font", EditorNode::get_singleton()->get_gui_base()->get_theme_font(SNAME("main"), SNAME("EditorFonts")));
warnings_panel->add_theme_font_size_override("normal_font_size", EditorNode::get_singleton()->get_gui_base()->get_theme_font_size(SNAME("main_size"), SNAME("EditorFonts")));
}
}
void ShaderTextEditor::_check_shader_mode() {
String type = ShaderLanguage::get_shader_type(get_text_editor()->get_text());
Shader::Mode mode;
if (type == "canvas_item") {
mode = Shader::MODE_CANVAS_ITEM;
} else if (type == "particles") {
mode = Shader::MODE_PARTICLES;
} else if (type == "sky") {
mode = Shader::MODE_SKY;
} else if (type == "fog") {
mode = Shader::MODE_FOG;
} else {
mode = Shader::MODE_SPATIAL;
}
if (shader->get_mode() != mode) {
shader->set_code(get_text_editor()->get_text());
_load_theme_settings();
}
}
static ShaderLanguage::DataType _get_global_variable_type(const StringName &p_variable) {
RS::GlobalVariableType gvt = RS::get_singleton()->global_variable_get_type(p_variable);
return (ShaderLanguage::DataType)RS::global_variable_type_get_shader_datatype(gvt);
}
void ShaderTextEditor::_code_complete_script(const String &p_code, List<ScriptLanguage::CodeCompletionOption> *r_options) {
_check_shader_mode();
ShaderLanguage sl;
String calltip;
ShaderLanguage::ShaderCompileInfo info;
info.functions = ShaderTypes::get_singleton()->get_functions(RenderingServer::ShaderMode(shader->get_mode()));
info.render_modes = ShaderTypes::get_singleton()->get_modes(RenderingServer::ShaderMode(shader->get_mode()));
info.shader_types = ShaderTypes::get_singleton()->get_types();
info.global_variable_type_func = _get_global_variable_type;
sl.complete(p_code, info, r_options, calltip);
get_text_editor()->set_code_hint(calltip);
}
void ShaderTextEditor::_validate_script() {
_check_shader_mode();
String code = get_text_editor()->get_text();
//List<StringName> params;
//shader->get_param_list(&params);
ShaderLanguage::ShaderCompileInfo info;
info.functions = ShaderTypes::get_singleton()->get_functions(RenderingServer::ShaderMode(shader->get_mode()));
info.render_modes = ShaderTypes::get_singleton()->get_modes(RenderingServer::ShaderMode(shader->get_mode()));
info.shader_types = ShaderTypes::get_singleton()->get_types();
info.global_variable_type_func = _get_global_variable_type;
ShaderLanguage sl;
sl.enable_warning_checking(saved_warnings_enabled);
sl.set_warning_flags(saved_warning_flags);
last_compile_result = sl.compile(code, info);
if (last_compile_result != OK) {
String error_text = "error(" + itos(sl.get_error_line()) + "): " + sl.get_error_text();
set_error(error_text);
set_error_pos(sl.get_error_line() - 1, 0);
for (int i = 0; i < get_text_editor()->get_line_count(); i++) {
get_text_editor()->set_line_background_color(i, Color(0, 0, 0, 0));
}
get_text_editor()->set_line_background_color(sl.get_error_line() - 1, marked_line_color);
} else {
for (int i = 0; i < get_text_editor()->get_line_count(); i++) {
get_text_editor()->set_line_background_color(i, Color(0, 0, 0, 0));
}
set_error("");
}
if (warnings.size() > 0 || last_compile_result != OK) {
warnings_panel->clear();
}
warnings.clear();
for (List<ShaderWarning>::Element *E = sl.get_warnings_ptr(); E; E = E->next()) {
warnings.push_back(E->get());
}
if (warnings.size() > 0 && last_compile_result == OK) {
warnings.sort_custom<WarningsComparator>();
_update_warning_panel();
} else {
set_warning_count(0);
}
emit_signal(SNAME("script_changed"));
}
void ShaderTextEditor::_update_warning_panel() {
int warning_count = 0;
warnings_panel->push_table(2);
for (int i = 0; i < warnings.size(); i++) {
ShaderWarning &w = warnings[i];
if (warning_count == 0) {
if (saved_treat_warning_as_errors) {
String error_text = "error(" + itos(w.get_line()) + "): " + w.get_message() + " " + TTR("Warnings should be fixed to prevent errors.");
set_error_pos(w.get_line() - 1, 0);
set_error(error_text);
get_text_editor()->set_line_background_color(w.get_line() - 1, marked_line_color);
}
}
warning_count++;
int line = w.get_line();
// First cell.
warnings_panel->push_cell();
warnings_panel->push_color(warnings_panel->get_theme_color(SNAME("warning_color"), SNAME("Editor")));
if (line != -1) {
warnings_panel->push_meta(line - 1);
warnings_panel->add_text(TTR("Line") + " " + itos(line));
warnings_panel->add_text(" (" + w.get_name() + "):");
warnings_panel->pop(); // Meta goto.
} else {
warnings_panel->add_text(w.get_name() + ":");
}
warnings_panel->pop(); // Color.
warnings_panel->pop(); // Cell.
// Second cell.
warnings_panel->push_cell();
warnings_panel->add_text(w.get_message());
warnings_panel->pop(); // Cell.
}
warnings_panel->pop(); // Table.
set_warning_count(warning_count);
}
void ShaderTextEditor::_bind_methods() {
}
ShaderTextEditor::ShaderTextEditor() {
syntax_highlighter.instantiate();
get_text_editor()->set_syntax_highlighter(syntax_highlighter);
}
/*** SCRIPT EDITOR ******/
void ShaderEditor::_menu_option(int p_option) {
switch (p_option) {
case EDIT_UNDO: {
shader_editor->get_text_editor()->undo();
} break;
case EDIT_REDO: {
shader_editor->get_text_editor()->redo();
} break;
case EDIT_CUT: {
shader_editor->get_text_editor()->cut();
} break;
case EDIT_COPY: {
shader_editor->get_text_editor()->copy();
} break;
case EDIT_PASTE: {
shader_editor->get_text_editor()->paste();
} break;
case EDIT_SELECT_ALL: {
shader_editor->get_text_editor()->select_all();
} break;
case EDIT_MOVE_LINE_UP: {
shader_editor->move_lines_up();
} break;
case EDIT_MOVE_LINE_DOWN: {
shader_editor->move_lines_down();
} break;
case EDIT_INDENT_LEFT: {
if (shader.is_null()) {
return;
}
shader_editor->get_text_editor()->unindent_lines();
} break;
case EDIT_INDENT_RIGHT: {
if (shader.is_null()) {
return;
}
shader_editor->get_text_editor()->indent_lines();
} break;
case EDIT_DELETE_LINE: {
shader_editor->delete_lines();
} break;
case EDIT_DUPLICATE_SELECTION: {
shader_editor->duplicate_selection();
} break;
case EDIT_TOGGLE_COMMENT: {
if (shader.is_null()) {
return;
}
shader_editor->toggle_inline_comment("//");
} break;
case EDIT_COMPLETE: {
shader_editor->get_text_editor()->request_code_completion();
} break;
case SEARCH_FIND: {
shader_editor->get_find_replace_bar()->popup_search();
} break;
case SEARCH_FIND_NEXT: {
shader_editor->get_find_replace_bar()->search_next();
} break;
case SEARCH_FIND_PREV: {
shader_editor->get_find_replace_bar()->search_prev();
} break;
case SEARCH_REPLACE: {
shader_editor->get_find_replace_bar()->popup_replace();
} break;
case SEARCH_GOTO_LINE: {
goto_line_dialog->popup_find_line(shader_editor->get_text_editor());
} break;
case BOOKMARK_TOGGLE: {
shader_editor->toggle_bookmark();
} break;
case BOOKMARK_GOTO_NEXT: {
shader_editor->goto_next_bookmark();
} break;
case BOOKMARK_GOTO_PREV: {
shader_editor->goto_prev_bookmark();
} break;
case BOOKMARK_REMOVE_ALL: {
shader_editor->remove_all_bookmarks();
} break;
case HELP_DOCS: {
OS::get_singleton()->shell_open(vformat("%s/tutorials/shaders/shader_reference/index.html", VERSION_DOCS_URL));
} break;
}
if (p_option != SEARCH_FIND && p_option != SEARCH_REPLACE && p_option != SEARCH_GOTO_LINE) {
shader_editor->get_text_editor()->call_deferred(SNAME("grab_focus"));
}
}
void ShaderEditor::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE:
case NOTIFICATION_THEME_CHANGED: {
PopupMenu *popup = help_menu->get_popup();
popup->set_item_icon(popup->get_item_index(HELP_DOCS), get_theme_icon(SNAME("ExternalLink"), SNAME("EditorIcons")));
} break;
case NOTIFICATION_WM_WINDOW_FOCUS_IN: {
_check_for_external_edit();
} break;
}
}
void ShaderEditor::_editor_settings_changed() {
shader_editor->update_editor_settings();
shader_editor->get_text_editor()->add_theme_constant_override("line_spacing", EditorSettings::get_singleton()->get("text_editor/appearance/whitespace/line_spacing"));
shader_editor->get_text_editor()->set_draw_breakpoints_gutter(false);
shader_editor->get_text_editor()->set_draw_executing_lines_gutter(false);
}
void ShaderEditor::_show_warnings_panel(bool p_show) {
warnings_panel->set_visible(p_show);
}
void ShaderEditor::_warning_clicked(Variant p_line) {
if (p_line.get_type() == Variant::INT) {
shader_editor->get_text_editor()->set_caret_line(p_line.operator int64_t());
}
}
void ShaderEditor::_bind_methods() {
ClassDB::bind_method("_show_warnings_panel", &ShaderEditor::_show_warnings_panel);
ClassDB::bind_method("_warning_clicked", &ShaderEditor::_warning_clicked);
}
void ShaderEditor::ensure_select_current() {
}
void ShaderEditor::goto_line_selection(int p_line, int p_begin, int p_end) {
shader_editor->goto_line_selection(p_line, p_begin, p_end);
}
void ShaderEditor::_project_settings_changed() {
_update_warnings(true);
}
void ShaderEditor::_update_warnings(bool p_validate) {
bool changed = false;
bool warnings_enabled = GLOBAL_GET("debug/shader_language/warnings/enable").booleanize();
if (warnings_enabled != saved_warnings_enabled) {
saved_warnings_enabled = warnings_enabled;
changed = true;
}
bool treat_warning_as_errors = GLOBAL_GET("debug/shader_language/warnings/treat_warnings_as_errors").booleanize();
if (treat_warning_as_errors != saved_treat_warning_as_errors) {
saved_treat_warning_as_errors = treat_warning_as_errors;
changed = true;
}
bool update_flags = false;
for (int i = 0; i < ShaderWarning::WARNING_MAX; i++) {
ShaderWarning::Code code = (ShaderWarning::Code)i;
bool value = GLOBAL_GET("debug/shader_language/warnings/" + ShaderWarning::get_name_from_code(code).to_lower());
if (saved_warnings[code] != value) {
saved_warnings[code] = value;
update_flags = true;
changed = true;
}
}
if (update_flags) {
saved_warning_flags = (uint32_t)ShaderWarning::get_flags_from_codemap(saved_warnings);
}
if (p_validate && changed && shader_editor && shader_editor->get_edited_shader().is_valid()) {
shader_editor->validate_script();
}
}
void ShaderEditor::_check_for_external_edit() {
if (shader.is_null() || !shader.is_valid()) {
return;
}
if (shader->is_built_in()) {
return;
}
bool use_autoreload = bool(EDITOR_GET("text_editor/behavior/files/auto_reload_scripts_on_external_change"));
if (shader->get_last_modified_time() != FileAccess::get_modified_time(shader->get_path())) {
if (use_autoreload) {
_reload_shader_from_disk();
} else {
disk_changed->call_deferred(SNAME("popup_centered"));
}
}
}
void ShaderEditor::_reload_shader_from_disk() {
Ref<Shader> rel_shader = ResourceLoader::load(shader->get_path(), shader->get_class(), ResourceFormatLoader::CACHE_MODE_IGNORE);
ERR_FAIL_COND(!rel_shader.is_valid());
shader->set_code(rel_shader->get_code());
shader->set_last_modified_time(rel_shader->get_last_modified_time());
shader_editor->reload_text();
}
void ShaderEditor::edit(const Ref<Shader> &p_shader) {
if (p_shader.is_null() || !p_shader->is_text_shader()) {
return;
}
if (shader == p_shader) {
return;
}
shader = p_shader;
shader_editor->set_edited_shader(p_shader);
//vertex_editor->set_edited_shader(shader,ShaderLanguage::SHADER_MATERIAL_VERTEX);
// see if already has it
}
void ShaderEditor::save_external_data(const String &p_str) {
if (shader.is_null()) {
disk_changed->hide();
return;
}
apply_shaders();
if (!shader->is_built_in()) {
//external shader, save it
ResourceSaver::save(shader->get_path(), shader);
}
disk_changed->hide();
}
void ShaderEditor::apply_shaders() {
if (shader.is_valid()) {
String shader_code = shader->get_code();
String editor_code = shader_editor->get_text_editor()->get_text();
if (shader_code != editor_code) {
shader->set_code(editor_code);
shader->set_edited(true);
}
}
}
void ShaderEditor::_text_edit_gui_input(const Ref<InputEvent> &ev) {
Ref<InputEventMouseButton> mb = ev;
if (mb.is_valid()) {
if (mb->get_button_index() == MouseButton::RIGHT && mb->is_pressed()) {
CodeEdit *tx = shader_editor->get_text_editor();
Point2i pos = tx->get_line_column_at_pos(mb->get_global_position() - tx->get_global_position());
int row = pos.y;
int col = pos.x;
tx->set_move_caret_on_right_click_enabled(EditorSettings::get_singleton()->get("text_editor/behavior/navigation/move_caret_on_right_click"));
if (tx->is_move_caret_on_right_click_enabled()) {
if (tx->has_selection()) {
int from_line = tx->get_selection_from_line();
int to_line = tx->get_selection_to_line();
int from_column = tx->get_selection_from_column();
int to_column = tx->get_selection_to_column();
if (row < from_line || row > to_line || (row == from_line && col < from_column) || (row == to_line && col > to_column)) {
// Right click is outside the selected text
tx->deselect();
}
}
if (!tx->has_selection()) {
tx->set_caret_line(row, true, false);
tx->set_caret_column(col);
}
}
_make_context_menu(tx->has_selection(), get_local_mouse_position());
}
}
Ref<InputEventKey> k = ev;
if (k.is_valid() && k->is_pressed() && k->is_action("ui_menu", true)) {
CodeEdit *tx = shader_editor->get_text_editor();
tx->adjust_viewport_to_caret();
_make_context_menu(tx->has_selection(), (get_global_transform().inverse() * tx->get_global_transform()).xform(tx->get_caret_draw_pos()));
context_menu->grab_focus();
}
}
void ShaderEditor::_update_bookmark_list() {
bookmarks_menu->clear();
bookmarks_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/toggle_bookmark"), BOOKMARK_TOGGLE);
bookmarks_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/remove_all_bookmarks"), BOOKMARK_REMOVE_ALL);
bookmarks_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/goto_next_bookmark"), BOOKMARK_GOTO_NEXT);
bookmarks_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/goto_previous_bookmark"), BOOKMARK_GOTO_PREV);
Array bookmark_list = shader_editor->get_text_editor()->get_bookmarked_lines();
if (bookmark_list.size() == 0) {
return;
}
bookmarks_menu->add_separator();
for (int i = 0; i < bookmark_list.size(); i++) {
String line = shader_editor->get_text_editor()->get_line(bookmark_list[i]).strip_edges();
// Limit the size of the line if too big.
if (line.length() > 50) {
line = line.substr(0, 50);
}
bookmarks_menu->add_item(String::num((int)bookmark_list[i] + 1) + " - \"" + line + "\"");
bookmarks_menu->set_item_metadata(-1, bookmark_list[i]);
}
}
void ShaderEditor::_bookmark_item_pressed(int p_idx) {
if (p_idx < 4) { // Any item before the separator.
_menu_option(bookmarks_menu->get_item_id(p_idx));
} else {
shader_editor->goto_line(bookmarks_menu->get_item_metadata(p_idx));
}
}
void ShaderEditor::_make_context_menu(bool p_selection, Vector2 p_position) {
context_menu->clear();
if (p_selection) {
context_menu->add_shortcut(ED_GET_SHORTCUT("ui_cut"), EDIT_CUT);
context_menu->add_shortcut(ED_GET_SHORTCUT("ui_copy"), EDIT_COPY);
}
context_menu->add_shortcut(ED_GET_SHORTCUT("ui_paste"), EDIT_PASTE);
context_menu->add_separator();
context_menu->add_shortcut(ED_GET_SHORTCUT("ui_text_select_all"), EDIT_SELECT_ALL);
context_menu->add_shortcut(ED_GET_SHORTCUT("ui_undo"), EDIT_UNDO);
context_menu->add_shortcut(ED_GET_SHORTCUT("ui_redo"), EDIT_REDO);
context_menu->add_separator();
context_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/indent_left"), EDIT_INDENT_LEFT);
context_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/indent_right"), EDIT_INDENT_RIGHT);
context_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/toggle_comment"), EDIT_TOGGLE_COMMENT);
context_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/toggle_bookmark"), BOOKMARK_TOGGLE);
context_menu->set_position(get_screen_position() + p_position);
context_menu->reset_size();
context_menu->popup();
}
ShaderEditor::ShaderEditor() {
GLOBAL_DEF("debug/shader_language/warnings/enable", true);
GLOBAL_DEF("debug/shader_language/warnings/treat_warnings_as_errors", false);
for (int i = 0; i < (int)ShaderWarning::WARNING_MAX; i++) {
GLOBAL_DEF("debug/shader_language/warnings/" + ShaderWarning::get_name_from_code((ShaderWarning::Code)i).to_lower(), true);
}
_update_warnings(false);
shader_editor = memnew(ShaderTextEditor);
shader_editor->set_v_size_flags(SIZE_EXPAND_FILL);
shader_editor->add_theme_constant_override("separation", 0);
shader_editor->set_anchors_and_offsets_preset(Control::PRESET_FULL_RECT);
shader_editor->connect("show_warnings_panel", callable_mp(this, &ShaderEditor::_show_warnings_panel));
shader_editor->connect("script_changed", callable_mp(this, &ShaderEditor::apply_shaders));
EditorSettings::get_singleton()->connect("settings_changed", callable_mp(this, &ShaderEditor::_editor_settings_changed));
ProjectSettingsEditor::get_singleton()->connect("confirmed", callable_mp(this, &ShaderEditor::_project_settings_changed));
shader_editor->get_text_editor()->set_code_hint_draw_below(EditorSettings::get_singleton()->get("text_editor/completion/put_callhint_tooltip_below_current_line"));
shader_editor->get_text_editor()->set_symbol_lookup_on_click_enabled(true);
shader_editor->get_text_editor()->set_context_menu_enabled(false);
shader_editor->get_text_editor()->connect("gui_input", callable_mp(this, &ShaderEditor::_text_edit_gui_input));
shader_editor->update_editor_settings();
context_menu = memnew(PopupMenu);
add_child(context_menu);
context_menu->connect("id_pressed", callable_mp(this, &ShaderEditor::_menu_option));
VBoxContainer *main_container = memnew(VBoxContainer);
HBoxContainer *hbc = memnew(HBoxContainer);
edit_menu = memnew(MenuButton);
edit_menu->set_shortcut_context(this);
edit_menu->set_text(TTR("Edit"));
edit_menu->set_switch_on_hover(true);
edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("ui_undo"), EDIT_UNDO);
edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("ui_redo"), EDIT_REDO);
edit_menu->get_popup()->add_separator();
edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("ui_cut"), EDIT_CUT);
edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("ui_copy"), EDIT_COPY);
edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("ui_paste"), EDIT_PASTE);
edit_menu->get_popup()->add_separator();
edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("ui_text_select_all"), EDIT_SELECT_ALL);
edit_menu->get_popup()->add_separator();
edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/move_up"), EDIT_MOVE_LINE_UP);
edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/move_down"), EDIT_MOVE_LINE_DOWN);
edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/indent_left"), EDIT_INDENT_LEFT);
edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/indent_right"), EDIT_INDENT_RIGHT);
edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/delete_line"), EDIT_DELETE_LINE);
edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/toggle_comment"), EDIT_TOGGLE_COMMENT);
edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/duplicate_selection"), EDIT_DUPLICATE_SELECTION);
edit_menu->get_popup()->add_separator();
edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("ui_text_completion_query"), EDIT_COMPLETE);
edit_menu->get_popup()->connect("id_pressed", callable_mp(this, &ShaderEditor::_menu_option));
search_menu = memnew(MenuButton);
search_menu->set_shortcut_context(this);
search_menu->set_text(TTR("Search"));
search_menu->set_switch_on_hover(true);
search_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/find"), SEARCH_FIND);
search_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/find_next"), SEARCH_FIND_NEXT);
search_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/find_previous"), SEARCH_FIND_PREV);
search_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/replace"), SEARCH_REPLACE);
search_menu->get_popup()->connect("id_pressed", callable_mp(this, &ShaderEditor::_menu_option));
MenuButton *goto_menu = memnew(MenuButton);
goto_menu->set_shortcut_context(this);
goto_menu->set_text(TTR("Go To"));
goto_menu->set_switch_on_hover(true);
goto_menu->get_popup()->connect("id_pressed", callable_mp(this, &ShaderEditor::_menu_option));
goto_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/goto_line"), SEARCH_GOTO_LINE);
goto_menu->get_popup()->add_separator();
bookmarks_menu = memnew(PopupMenu);
bookmarks_menu->set_name("Bookmarks");
goto_menu->get_popup()->add_child(bookmarks_menu);
goto_menu->get_popup()->add_submenu_item(TTR("Bookmarks"), "Bookmarks");
_update_bookmark_list();
bookmarks_menu->connect("about_to_popup", callable_mp(this, &ShaderEditor::_update_bookmark_list));
bookmarks_menu->connect("index_pressed", callable_mp(this, &ShaderEditor::_bookmark_item_pressed));
help_menu = memnew(MenuButton);
help_menu->set_text(TTR("Help"));
help_menu->set_switch_on_hover(true);
help_menu->get_popup()->add_item(TTR("Online Docs"), HELP_DOCS);
help_menu->get_popup()->connect("id_pressed", callable_mp(this, &ShaderEditor::_menu_option));
add_child(main_container);
main_container->add_child(hbc);
hbc->add_child(search_menu);
hbc->add_child(edit_menu);
hbc->add_child(goto_menu);
hbc->add_child(help_menu);
hbc->add_theme_style_override("panel", EditorNode::get_singleton()->get_gui_base()->get_theme_stylebox(SNAME("ScriptEditorPanel"), SNAME("EditorStyles")));
VSplitContainer *editor_box = memnew(VSplitContainer);
main_container->add_child(editor_box);
editor_box->set_anchors_and_offsets_preset(Control::PRESET_FULL_RECT);
editor_box->set_v_size_flags(SIZE_EXPAND_FILL);
editor_box->add_child(shader_editor);
FindReplaceBar *bar = memnew(FindReplaceBar);
main_container->add_child(bar);
bar->hide();
shader_editor->set_find_replace_bar(bar);
warnings_panel = memnew(RichTextLabel);
warnings_panel->set_custom_minimum_size(Size2(0, 100 * EDSCALE));
warnings_panel->set_h_size_flags(SIZE_EXPAND_FILL);
warnings_panel->set_meta_underline(true);
warnings_panel->set_selection_enabled(true);
warnings_panel->set_focus_mode(FOCUS_CLICK);
warnings_panel->hide();
warnings_panel->connect("meta_clicked", callable_mp(this, &ShaderEditor::_warning_clicked));
editor_box->add_child(warnings_panel);
shader_editor->set_warnings_panel(warnings_panel);
goto_line_dialog = memnew(GotoLineDialog);
add_child(goto_line_dialog);
disk_changed = memnew(ConfirmationDialog);
VBoxContainer *vbc = memnew(VBoxContainer);
disk_changed->add_child(vbc);
Label *dl = memnew(Label);
dl->set_text(TTR("This shader has been modified on disk.\nWhat action should be taken?"));
vbc->add_child(dl);
disk_changed->connect("confirmed", callable_mp(this, &ShaderEditor::_reload_shader_from_disk));
disk_changed->set_ok_button_text(TTR("Reload"));
disk_changed->add_button(TTR("Resave"), !DisplayServer::get_singleton()->get_swap_cancel_ok(), "resave");
disk_changed->connect("custom_action", callable_mp(this, &ShaderEditor::save_external_data));
add_child(disk_changed);
_editor_settings_changed();
}
void ShaderEditorPlugin::_update_shader_list() {
shader_list->clear();
for (uint32_t i = 0; i < edited_shaders.size(); i++) {
String text;
String path = edited_shaders[i].shader->get_path();
String _class = edited_shaders[i].shader->get_class();
if (path.is_resource_file()) {
text = path.get_file();
} else if (edited_shaders[i].shader->get_name() != "") {
text = edited_shaders[i].shader->get_name();
} else {
text = _class + ":" + itos(edited_shaders[i].shader->get_instance_id());
}
if (!shader_list->has_theme_icon(_class, SNAME("EditorIcons"))) {
_class = "Resource";
}
Ref<Texture2D> icon = shader_list->get_theme_icon(_class, SNAME("EditorIcons"));
shader_list->add_item(text, icon);
shader_list->set_item_tooltip(shader_list->get_item_count() - 1, path);
}
if (shader_tabs->get_tab_count()) {
shader_list->select(shader_tabs->get_current_tab());
}
for (int i = 1; i < FILE_MAX; i++) {
file_menu->get_popup()->set_item_disabled(file_menu->get_popup()->get_item_index(i), edited_shaders.size() == 0);
}
}
void ShaderEditorPlugin::edit(Object *p_object) {
Shader *s = Object::cast_to<Shader>(p_object);
for (uint32_t i = 0; i < edited_shaders.size(); i++) {
if (edited_shaders[i].shader.ptr() == s) {
// Exists, select.
shader_tabs->set_current_tab(i);
shader_list->select(i);
return;
}
}
// Add.
EditedShader es;
es.shader = Ref<Shader>(s);
Ref<VisualShader> vs = es.shader;
if (vs.is_valid()) {
es.visual_shader_editor = memnew(VisualShaderEditor);
es.visual_shader_editor->edit(vs.ptr());
shader_tabs->add_child(es.visual_shader_editor);
} else {
es.shader_editor = memnew(ShaderEditor);
es.shader_editor->edit(s);
shader_tabs->add_child(es.shader_editor);
}
shader_tabs->set_current_tab(shader_tabs->get_tab_count() - 1);
edited_shaders.push_back(es);
_update_shader_list();
}
bool ShaderEditorPlugin::handles(Object *p_object) const {
return Object::cast_to<Shader>(p_object) != nullptr;
}
void ShaderEditorPlugin::make_visible(bool p_visible) {
if (p_visible) {
EditorNode::get_singleton()->make_bottom_panel_item_visible(main_split);
}
}
void ShaderEditorPlugin::selected_notify() {
}
ShaderEditor *ShaderEditorPlugin::get_shader_editor(const Ref<Shader> &p_for_shader) {
for (uint32_t i = 0; i < edited_shaders.size(); i++) {
if (edited_shaders[i].shader == p_for_shader) {
return edited_shaders[i].shader_editor;
}
}
return nullptr;
}
VisualShaderEditor *ShaderEditorPlugin::get_visual_shader_editor(const Ref<Shader> &p_for_shader) {
for (uint32_t i = 0; i < edited_shaders.size(); i++) {
if (edited_shaders[i].shader == p_for_shader) {
return edited_shaders[i].visual_shader_editor;
}
}
return nullptr;
}
void ShaderEditorPlugin::save_external_data() {
for (uint32_t i = 0; i < edited_shaders.size(); i++) {
if (edited_shaders[i].shader_editor) {
edited_shaders[i].shader_editor->save_external_data();
}
}
}
void ShaderEditorPlugin::apply_changes() {
for (uint32_t i = 0; i < edited_shaders.size(); i++) {
if (edited_shaders[i].shader_editor) {
edited_shaders[i].shader_editor->apply_shaders();
}
}
}
void ShaderEditorPlugin::_shader_selected(int p_index) {
shader_tabs->set_current_tab(p_index);
}
void ShaderEditorPlugin::_close_shader(int p_index) {
int index = shader_tabs->get_current_tab();
ERR_FAIL_INDEX(index, shader_tabs->get_tab_count());
Control *c = shader_tabs->get_tab_control(index);
memdelete(c);
edited_shaders.remove_at(index);
_update_shader_list();
EditorNode::get_singleton()->get_undo_redo()->clear_history(); // To prevent undo on deleted graphs.
}
void ShaderEditorPlugin::_resource_saved(Object *obj) {
// May have been renamed on save.
for (uint32_t i = 0; i < edited_shaders.size(); i++) {
if (edited_shaders[i].shader.ptr() == obj) {
_update_shader_list();
return;
}
}
}
void ShaderEditorPlugin::_menu_item_pressed(int p_index) {
switch (p_index) {
case FILE_NEW: {
String base_path = FileSystemDock::get_singleton()->get_current_path();
shader_create_dialog->config(base_path.plus_file("new_shader"), false, false, 0);
shader_create_dialog->popup_centered();
} break;
case FILE_OPEN: {
InspectorDock::get_singleton()->open_resource("Shader");
} break;
case FILE_SAVE: {
int index = shader_tabs->get_current_tab();
ERR_FAIL_INDEX(index, shader_tabs->get_tab_count());
EditorNode::get_singleton()->save_resource(edited_shaders[index].shader);
} break;
case FILE_SAVE_AS: {
int index = shader_tabs->get_current_tab();
ERR_FAIL_INDEX(index, shader_tabs->get_tab_count());
String path = edited_shaders[index].shader->get_path();
if (!path.is_resource_file()) {
path = "";
}
EditorNode::get_singleton()->save_resource_as(edited_shaders[index].shader, path);
} break;
case FILE_INSPECT: {
int index = shader_tabs->get_current_tab();
ERR_FAIL_INDEX(index, shader_tabs->get_tab_count());
EditorNode::get_singleton()->push_item(edited_shaders[index].shader.ptr());
} break;
case FILE_CLOSE: {
_close_shader(shader_tabs->get_current_tab());
} break;
}
}
void ShaderEditorPlugin::_shader_created(Ref<Shader> p_shader) {
EditorNode::get_singleton()->push_item(p_shader.ptr());
}
ShaderEditorPlugin::ShaderEditorPlugin() {
main_split = memnew(HSplitContainer);
VBoxContainer *vb = memnew(VBoxContainer);
HBoxContainer *file_hb = memnew(HBoxContainer);
vb->add_child(file_hb);
file_menu = memnew(MenuButton);
file_menu->set_text(TTR("File"));
file_menu->get_popup()->add_item(TTR("New Shader"), FILE_NEW);
file_menu->get_popup()->add_separator();
file_menu->get_popup()->add_item(TTR("Load Shader"), FILE_OPEN);
file_menu->get_popup()->add_item(TTR("Save Shader"), FILE_SAVE);
file_menu->get_popup()->add_item(TTR("Save Shader As"), FILE_SAVE_AS);
file_menu->get_popup()->add_separator();
file_menu->get_popup()->add_item(TTR("Open Shader in Inspector"), FILE_INSPECT);
file_menu->get_popup()->add_separator();
file_menu->get_popup()->add_item(TTR("Close Shader"), FILE_CLOSE);
file_menu->get_popup()->connect("id_pressed", callable_mp(this, &ShaderEditorPlugin::_menu_item_pressed));
file_hb->add_child(file_menu);
for (int i = 1; i < FILE_MAX; i++) {
file_menu->get_popup()->set_item_disabled(file_menu->get_popup()->get_item_index(i), true);
}
shader_list = memnew(ItemList);
shader_list->set_v_size_flags(Control::SIZE_EXPAND_FILL);
vb->add_child(shader_list);
shader_list->connect("item_selected", callable_mp(this, &ShaderEditorPlugin::_shader_selected));
main_split->add_child(vb);
vb->set_custom_minimum_size(Size2(200, 300) * EDSCALE);
shader_tabs = memnew(TabContainer);
shader_tabs->set_tabs_visible(false);
shader_tabs->set_h_size_flags(Control::SIZE_EXPAND_FILL);
main_split->add_child(shader_tabs);
Ref<StyleBoxEmpty> empty;
empty.instantiate();
shader_tabs->add_theme_style_override("panel", empty);
button = EditorNode::get_singleton()->add_bottom_panel_item(TTR("Shader Editor"), main_split);
// Defer connect because Editor class is not in the binding system yet.
EditorNode::get_singleton()->call_deferred("connect", "resource_saved", callable_mp(this, &ShaderEditorPlugin::_resource_saved), varray(), CONNECT_DEFERRED);
shader_create_dialog = memnew(ShaderCreateDialog);
vb->add_child(shader_create_dialog);
shader_create_dialog->connect("shader_created", callable_mp(this, &ShaderEditorPlugin::_shader_created));
}
ShaderEditorPlugin::~ShaderEditorPlugin() {
}
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