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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) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2017 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 "editor/editor_node.h"
#include "editor/editor_settings.h"
#include "editor/property_editor.h"
#include "scene/resources/shader_graph.h"
#include "servers/visual/shader_types.h"
/*** SHADER SCRIPT EDITOR ****/
Ref<Shader> ShaderTextEditor::get_edited_shader() const {
return shader;
}
void ShaderTextEditor::set_edited_shader(const Ref<Shader> &p_shader) {
shader = p_shader;
_load_theme_settings();
get_text_edit()->set_text(p_shader->get_code());
_line_col_changed();
}
void ShaderTextEditor::_load_theme_settings() {
get_text_edit()->clear_colors();
/* keyword color */
get_text_edit()->add_color_override("background_color", EDITOR_DEF("text_editor/highlighting/background_color", Color(0, 0, 0, 0)));
get_text_edit()->add_color_override("completion_background_color", EDITOR_DEF("text_editor/highlighting/completion_background_color", Color(0, 0, 0, 0)));
get_text_edit()->add_color_override("completion_selected_color", EDITOR_DEF("text_editor/highlighting/completion_selected_color", Color::html("434244")));
get_text_edit()->add_color_override("completion_existing_color", EDITOR_DEF("text_editor/highlighting/completion_existing_color", Color::html("21dfdfdf")));
get_text_edit()->add_color_override("completion_scroll_color", EDITOR_DEF("text_editor/highlighting/completion_scroll_color", Color::html("ffffff")));
get_text_edit()->add_color_override("completion_font_color", EDITOR_DEF("text_editor/highlighting/completion_font_color", Color::html("aaaaaa")));
get_text_edit()->add_color_override("font_color", EDITOR_DEF("text_editor/highlighting/text_color", Color(0, 0, 0)));
get_text_edit()->add_color_override("line_number_color", EDITOR_DEF("text_editor/highlighting/line_number_color", Color(0, 0, 0)));
get_text_edit()->add_color_override("caret_color", EDITOR_DEF("text_editor/highlighting/caret_color", Color(0, 0, 0)));
get_text_edit()->add_color_override("caret_background_color", EDITOR_DEF("text_editor/highlighting/caret_background_color", Color(0, 0, 0)));
get_text_edit()->add_color_override("font_selected_color", EDITOR_DEF("text_editor/highlighting/text_selected_color", Color(1, 1, 1)));
get_text_edit()->add_color_override("selection_color", EDITOR_DEF("text_editor/highlighting/selection_color", Color(0.2, 0.2, 1)));
get_text_edit()->add_color_override("brace_mismatch_color", EDITOR_DEF("text_editor/highlighting/brace_mismatch_color", Color(1, 0.2, 0.2)));
get_text_edit()->add_color_override("current_line_color", EDITOR_DEF("text_editor/highlighting/current_line_color", Color(0.3, 0.5, 0.8, 0.15)));
get_text_edit()->add_color_override("word_highlighted_color", EDITOR_DEF("text_editor/highlighting/word_highlighted_color", Color(0.8, 0.9, 0.9, 0.15)));
get_text_edit()->add_color_override("number_color", EDITOR_DEF("text_editor/highlighting/number_color", Color(0.9, 0.6, 0.0, 2)));
get_text_edit()->add_color_override("function_color", EDITOR_DEF("text_editor/highlighting/function_color", Color(0.4, 0.6, 0.8)));
get_text_edit()->add_color_override("member_variable_color", EDITOR_DEF("text_editor/highlighting/member_variable_color", Color(0.9, 0.3, 0.3)));
get_text_edit()->add_color_override("mark_color", EDITOR_DEF("text_editor/highlighting/mark_color", Color(1.0, 0.4, 0.4, 0.4)));
get_text_edit()->add_color_override("breakpoint_color", EDITOR_DEF("text_editor/highlighting/breakpoint_color", Color(0.8, 0.8, 0.4, 0.2)));
get_text_edit()->add_color_override("search_result_color", EDITOR_DEF("text_editor/highlighting/search_result_color", Color(0.05, 0.25, 0.05, 1)));
get_text_edit()->add_color_override("search_result_border_color", EDITOR_DEF("text_editor/highlighting/search_result_border_color", Color(0.1, 0.45, 0.1, 1)));
get_text_edit()->add_color_override("symbol_color", EDITOR_DEF("text_editor/highlighting/symbol_color", Color::hex(0x005291ff)));
Color keyword_color = EDITOR_DEF("text_editor/highlighting/keyword_color", Color(0.5, 0.0, 0.2));
List<String> keywords;
ShaderLanguage::get_keyword_list(&keywords);
if (shader.is_valid()) {
for (const Map<StringName, ShaderLanguage::FunctionInfo>::Element *E = ShaderTypes::get_singleton()->get_functions(VisualServer::ShaderMode(shader->get_mode())).front(); E; E = E->next()) {
for (const Map<StringName, ShaderLanguage::DataType>::Element *F = E->get().built_ins.front(); F; F = F->next()) {
keywords.push_back(F->key());
}
}
for (const Set<String>::Element *E = ShaderTypes::get_singleton()->get_modes(VisualServer::ShaderMode(shader->get_mode())).front(); E; E = E->next()) {
keywords.push_back(E->get());
}
}
for (List<String>::Element *E = keywords.front(); E; E = E->next()) {
get_text_edit()->add_keyword_color(E->get(), keyword_color);
}
//colorize core types
//Color basetype_color= EDITOR_DEF("text_editor/base_type_color",Color(0.3,0.3,0.0));
//colorize comments
Color comment_color = EDITOR_DEF("text_editor/highlighting/comment_color", Color::hex(0x797e7eff));
get_text_edit()->add_color_region("/*", "*/", comment_color, false);
get_text_edit()->add_color_region("//", "", comment_color, false);
/*//colorize strings
Color string_color = EDITOR_DEF("text_editor/string_color",Color::hex(0x6b6f00ff));
List<String> strings;
shader->get_shader_mode()->get_string_delimiters(&strings);
for (List<String>::Element *E=strings.front();E;E=E->next()) {
String string = E->get();
String beg = string.get_slice(" ",0);
String end = string.get_slice_count(" ")>1?string.get_slice(" ",1):String();
get_text_edit()->add_color_region(beg,end,string_color,end=="");
}*/
}
void ShaderTextEditor::_check_shader_mode() {
String type = ShaderLanguage::get_shader_type(get_text_edit()->get_text());
print_line("type is: " + type);
Shader::Mode mode;
if (type == "canvas_item") {
mode = Shader::MODE_CANVAS_ITEM;
} else if (type == "particles") {
mode = Shader::MODE_PARTICLES;
} else {
mode = Shader::MODE_SPATIAL;
}
if (shader->get_mode() != mode) {
shader->set_code(get_text_edit()->get_text());
_load_theme_settings();
}
}
void ShaderTextEditor::_code_complete_script(const String &p_code, List<String> *r_options) {
_check_shader_mode();
ShaderLanguage sl;
String calltip;
Error err = sl.complete(p_code, ShaderTypes::get_singleton()->get_functions(VisualServer::ShaderMode(shader->get_mode())), ShaderTypes::get_singleton()->get_modes(VisualServer::ShaderMode(shader->get_mode())), ShaderTypes::get_singleton()->get_types(), r_options, calltip);
if (calltip != "") {
get_text_edit()->set_code_hint(calltip);
}
}
void ShaderTextEditor::_validate_script() {
_check_shader_mode();
String code = get_text_edit()->get_text();
//List<StringName> params;
//shader->get_param_list(&params);
ShaderLanguage sl;
Error err = sl.compile(code, ShaderTypes::get_singleton()->get_functions(VisualServer::ShaderMode(shader->get_mode())), ShaderTypes::get_singleton()->get_modes(VisualServer::ShaderMode(shader->get_mode())), ShaderTypes::get_singleton()->get_types());
if (err != OK) {
String error_text = "error(" + itos(sl.get_error_line()) + "): " + sl.get_error_text();
set_error(error_text);
get_text_edit()->set_line_as_marked(sl.get_error_line() - 1, true);
} else {
for (int i = 0; i < get_text_edit()->get_line_count(); i++)
get_text_edit()->set_line_as_marked(i, false);
set_error("");
}
emit_signal("script_changed");
}
void ShaderTextEditor::_bind_methods() {
}
ShaderTextEditor::ShaderTextEditor() {
}
/*** SCRIPT EDITOR ******/
void ShaderEditor::_menu_option(int p_option) {
ShaderTextEditor *current = shader_editor;
switch (p_option) {
case EDIT_UNDO: {
current->get_text_edit()->undo();
} break;
case EDIT_REDO: {
current->get_text_edit()->redo();
} break;
case EDIT_CUT: {
current->get_text_edit()->cut();
} break;
case EDIT_COPY: {
current->get_text_edit()->copy();
} break;
case EDIT_PASTE: {
current->get_text_edit()->paste();
} break;
case EDIT_SELECT_ALL: {
current->get_text_edit()->select_all();
} break;
case SEARCH_FIND: {
current->get_find_replace_bar()->popup_search();
} break;
case SEARCH_FIND_NEXT: {
current->get_find_replace_bar()->search_next();
} break;
case SEARCH_FIND_PREV: {
current->get_find_replace_bar()->search_prev();
} break;
case SEARCH_REPLACE: {
current->get_find_replace_bar()->popup_replace();
} break;
case SEARCH_GOTO_LINE: {
goto_line_dialog->popup_find_line(current->get_text_edit());
} break;
}
}
void ShaderEditor::_notification(int p_what) {
if (p_what == NOTIFICATION_ENTER_TREE) {
}
if (p_what == NOTIFICATION_DRAW) {
RID ci = get_canvas_item();
Ref<StyleBox> style = get_stylebox("panel", "Panel");
style->draw(ci, Rect2(Point2(), get_size()));
}
}
void ShaderEditor::_params_changed() {
shader_editor->_validate_script();
}
void ShaderEditor::_editor_settings_changed() {
shader_editor->get_text_edit()->set_auto_brace_completion(EditorSettings::get_singleton()->get("text_editor/completion/auto_brace_complete"));
shader_editor->get_text_edit()->set_scroll_pass_end_of_file(EditorSettings::get_singleton()->get("text_editor/cursor/scroll_past_end_of_file"));
shader_editor->get_text_edit()->set_indent_size(EditorSettings::get_singleton()->get("text_editor/indent/size"));
shader_editor->get_text_edit()->set_indent_using_spaces(EditorSettings::get_singleton()->get("text_editor/indent/type"));
shader_editor->get_text_edit()->set_auto_indent(EditorSettings::get_singleton()->get("text_editor/indent/auto_indent"));
shader_editor->get_text_edit()->set_draw_tabs(EditorSettings::get_singleton()->get("text_editor/indent/draw_tabs"));
shader_editor->get_text_edit()->set_show_line_numbers(EditorSettings::get_singleton()->get("text_editor/line_numbers/show_line_numbers"));
shader_editor->get_text_edit()->set_syntax_coloring(EditorSettings::get_singleton()->get("text_editor/highlighting/syntax_highlighting"));
shader_editor->get_text_edit()->set_highlight_all_occurrences(EditorSettings::get_singleton()->get("text_editor/highlighting/highlight_all_occurrences"));
shader_editor->get_text_edit()->cursor_set_blink_enabled(EditorSettings::get_singleton()->get("text_editor/cursor/caret_blink"));
shader_editor->get_text_edit()->cursor_set_blink_speed(EditorSettings::get_singleton()->get("text_editor/cursor/caret_blink_speed"));
shader_editor->get_text_edit()->add_constant_override("line_spacing", EditorSettings::get_singleton()->get("text_editor/theme/line_spacing"));
shader_editor->get_text_edit()->cursor_set_block_mode(EditorSettings::get_singleton()->get("text_editor/cursor/block_caret"));
shader_editor->get_text_edit()->set_smooth_scroll_enabled(EditorSettings::get_singleton()->get("text_editor/open_scripts/smooth_scrolling"));
shader_editor->get_text_edit()->set_v_scroll_speed(EditorSettings::get_singleton()->get("text_editor/open_scripts/v_scroll_speed"));
}
void ShaderEditor::_bind_methods() {
ClassDB::bind_method("_editor_settings_changed", &ShaderEditor::_editor_settings_changed);
ClassDB::bind_method("_menu_option", &ShaderEditor::_menu_option);
ClassDB::bind_method("_params_changed", &ShaderEditor::_params_changed);
ClassDB::bind_method("apply_shaders", &ShaderEditor::apply_shaders);
//ClassDB::bind_method("_close_current_tab",&ShaderEditor::_close_current_tab);
}
void ShaderEditor::ensure_select_current() {
/*
if (tab_container->get_child_count() && tab_container->get_current_tab()>=0) {
ShaderTextEditor *ste = Object::cast_to<ShaderTextEditor>(tab_container->get_child(tab_container->get_current_tab()));
if (!ste)
return;
Ref<Shader> shader = ste->get_edited_shader();
get_scene()->get_root_node()->call("_resource_selected",shader);
}*/
}
void ShaderEditor::edit(const Ref<Shader> &p_shader) {
if (p_shader.is_null())
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() {
if (shader.is_null())
return;
apply_shaders();
if (shader->get_path() != "" && shader->get_path().find("local://") == -1 && shader->get_path().find("::") == -1) {
//external shader, save it
ResourceSaver::save(shader->get_path(), shader);
}
}
void ShaderEditor::apply_shaders() {
if (shader.is_valid()) {
shader->set_code(shader_editor->get_text_edit()->get_text());
shader->set_edited(true);
}
}
ShaderEditor::ShaderEditor() {
HBoxContainer *hbc = memnew(HBoxContainer);
add_child(hbc);
edit_menu = memnew(MenuButton);
hbc->add_child(edit_menu);
edit_menu->set_position(Point2(5, -1));
edit_menu->set_text(TTR("Edit"));
edit_menu->get_popup()->add_shortcut(ED_SHORTCUT("script_editor/undo", TTR("Undo"), KEY_MASK_CMD | KEY_Z), EDIT_UNDO);
edit_menu->get_popup()->add_shortcut(ED_SHORTCUT("script_editor/redo", TTR("Redo"), KEY_MASK_CMD | KEY_Y), EDIT_REDO);
edit_menu->get_popup()->add_separator();
edit_menu->get_popup()->add_shortcut(ED_SHORTCUT("script_editor/cut", TTR("Cut"), KEY_MASK_CMD | KEY_X), EDIT_CUT);
edit_menu->get_popup()->add_shortcut(ED_SHORTCUT("script_editor/copy", TTR("Copy"), KEY_MASK_CMD | KEY_C), EDIT_COPY);
edit_menu->get_popup()->add_shortcut(ED_SHORTCUT("script_editor/paste", TTR("Paste"), KEY_MASK_CMD | KEY_V), EDIT_PASTE);
edit_menu->get_popup()->add_separator();
edit_menu->get_popup()->add_shortcut(ED_SHORTCUT("script_editor/select_all", TTR("Select All"), KEY_MASK_CMD | KEY_A), EDIT_SELECT_ALL);
edit_menu->get_popup()->connect("id_pressed", this, "_menu_option");
search_menu = memnew(MenuButton);
hbc->add_child(search_menu);
search_menu->set_position(Point2(38, -1));
search_menu->set_text(TTR("Search"));
search_menu->get_popup()->add_shortcut(ED_SHORTCUT("script_editor/find", TTR("Find.."), KEY_MASK_CMD | KEY_F), SEARCH_FIND);
search_menu->get_popup()->add_shortcut(ED_SHORTCUT("script_editor/find_next", TTR("Find Next"), KEY_F3), SEARCH_FIND_NEXT);
search_menu->get_popup()->add_shortcut(ED_SHORTCUT("script_editor/find_previous", TTR("Find Previous"), KEY_MASK_SHIFT | KEY_F3), SEARCH_FIND_PREV);
search_menu->get_popup()->add_shortcut(ED_SHORTCUT("script_editor/replace", TTR("Replace.."), KEY_MASK_CMD | KEY_R), SEARCH_REPLACE);
search_menu->get_popup()->add_separator();
//search_menu->get_popup()->add_item("Locate Symbol..",SEARCH_LOCATE_SYMBOL,KEY_MASK_CMD|KEY_K);
search_menu->get_popup()->add_shortcut(ED_SHORTCUT("script_editor/goto_line", TTR("Goto Line.."), KEY_MASK_CMD | KEY_L), SEARCH_GOTO_LINE);
search_menu->get_popup()->connect("id_pressed", this, "_menu_option");
goto_line_dialog = memnew(GotoLineDialog);
add_child(goto_line_dialog);
shader_editor = memnew(ShaderTextEditor);
add_child(shader_editor);
shader_editor->set_v_size_flags(SIZE_EXPAND_FILL);
shader_editor->connect("script_changed", this, "apply_shaders");
EditorSettings::get_singleton()->connect("settings_changed", this, "_editor_settings_changed");
_editor_settings_changed();
}
void ShaderEditorPlugin::edit(Object *p_object) {
Shader *s = Object::cast_to<Shader>(p_object);
shader_editor->edit(s);
}
bool ShaderEditorPlugin::handles(Object *p_object) const {
bool handles = true;
Shader *shader = Object::cast_to<Shader>(p_object);
/*
if (Object::cast_to<ShaderGraph>(shader)) // Don't handle ShaderGraph's
handles = false;
*/
return shader != NULL;
}
void ShaderEditorPlugin::make_visible(bool p_visible) {
if (p_visible) {
button->show();
editor->make_bottom_panel_item_visible(shader_editor);
} else {
button->hide();
if (shader_editor->is_visible_in_tree())
editor->hide_bottom_panel();
shader_editor->apply_shaders();
}
}
void ShaderEditorPlugin::selected_notify() {
shader_editor->ensure_select_current();
}
void ShaderEditorPlugin::save_external_data() {
shader_editor->save_external_data();
}
void ShaderEditorPlugin::apply_changes() {
shader_editor->apply_shaders();
}
ShaderEditorPlugin::ShaderEditorPlugin(EditorNode *p_node) {
editor = p_node;
shader_editor = memnew(ShaderEditor);
shader_editor->set_custom_minimum_size(Size2(0, 300));
button = editor->add_bottom_panel_item(TTR("Shader"), shader_editor);
button->hide();
}
ShaderEditorPlugin::~ShaderEditorPlugin() {
}
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