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godot/editor/shader_globals_editor.cpp

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/*************************************************************************/
/* shader_globals_editor.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_globals_editor.h"
#include "editor_node.h"
#include "servers/rendering/shader_language.h"
static const char *global_var_type_names[RS::GLOBAL_VAR_TYPE_MAX] = {
"bool",
"bvec2",
"bvec3",
"bvec4",
"int",
"ivec2",
"ivec3",
"ivec4",
"rect2i",
"uint",
"uvec2",
"uvec3",
"uvec4",
"float",
"vec2",
"vec3",
"vec4",
"color",
"rect2",
"mat2",
"mat3",
"mat4",
"transform_2d",
"transform",
"sampler2D",
"sampler2DArray",
"sampler3D",
"samplerCube",
};
class ShaderGlobalsEditorInterface : public Object {
GDCLASS(ShaderGlobalsEditorInterface, Object)
void _var_changed() {
emit_signal(SNAME("var_changed"));
}
protected:
static void _bind_methods() {
ClassDB::bind_method("_var_changed", &ShaderGlobalsEditorInterface::_var_changed);
ADD_SIGNAL(MethodInfo("var_changed"));
}
bool _set(const StringName &p_name, const Variant &p_value) {
Variant existing = RS::get_singleton()->global_variable_get(p_name);
if (existing.get_type() == Variant::NIL) {
return false;
}
UndoRedo *undo_redo = EditorNode::get_singleton()->get_undo_redo();
undo_redo->create_action(TTR("Set Shader Global Variable"));
undo_redo->add_do_method(RS::get_singleton(), "global_variable_set", p_name, p_value);
undo_redo->add_undo_method(RS::get_singleton(), "global_variable_set", p_name, existing);
RS::GlobalVariableType type = RS::get_singleton()->global_variable_get_type(p_name);
Dictionary gv;
gv["type"] = global_var_type_names[type];
if (type >= RS::GLOBAL_VAR_TYPE_SAMPLER2D) {
RES res = p_value;
if (res.is_valid()) {
gv["value"] = res->get_path();
} else {
gv["value"] = "";
}
} else {
gv["value"] = p_value;
}
String path = "shader_globals/" + String(p_name);
undo_redo->add_do_property(ProjectSettings::get_singleton(), path, gv);
undo_redo->add_undo_property(ProjectSettings::get_singleton(), path, ProjectSettings::get_singleton()->get(path));
undo_redo->add_do_method(this, "_var_changed");
undo_redo->add_undo_method(this, "_var_changed");
block_update = true;
undo_redo->commit_action();
block_update = false;
return true;
}
bool _get(const StringName &p_name, Variant &r_ret) const {
r_ret = RS::get_singleton()->global_variable_get(p_name);
return r_ret.get_type() != Variant::NIL;
}
void _get_property_list(List<PropertyInfo> *p_list) const {
Vector<StringName> variables;
variables = RS::get_singleton()->global_variable_get_list();
for (int i = 0; i < variables.size(); i++) {
PropertyInfo pinfo;
pinfo.name = variables[i];
switch (RS::get_singleton()->global_variable_get_type(variables[i])) {
case RS::GLOBAL_VAR_TYPE_BOOL: {
pinfo.type = Variant::BOOL;
} break;
case RS::GLOBAL_VAR_TYPE_BVEC2: {
pinfo.type = Variant::INT;
pinfo.hint = PROPERTY_HINT_FLAGS;
pinfo.hint_string = "x,y";
} break;
case RS::GLOBAL_VAR_TYPE_BVEC3: {
pinfo.type = Variant::INT;
pinfo.hint = PROPERTY_HINT_FLAGS;
pinfo.hint_string = "x,y,z";
} break;
case RS::GLOBAL_VAR_TYPE_BVEC4: {
pinfo.type = Variant::INT;
pinfo.hint = PROPERTY_HINT_FLAGS;
pinfo.hint_string = "x,y,z,w";
} break;
case RS::GLOBAL_VAR_TYPE_INT: {
pinfo.type = Variant::INT;
} break;
case RS::GLOBAL_VAR_TYPE_IVEC2: {
pinfo.type = Variant::VECTOR2I;
} break;
case RS::GLOBAL_VAR_TYPE_IVEC3: {
pinfo.type = Variant::VECTOR3I;
} break;
case RS::GLOBAL_VAR_TYPE_IVEC4: {
pinfo.type = Variant::PACKED_INT32_ARRAY;
} break;
case RS::GLOBAL_VAR_TYPE_RECT2I: {
pinfo.type = Variant::RECT2I;
} break;
case RS::GLOBAL_VAR_TYPE_UINT: {
pinfo.type = Variant::INT;
} break;
case RS::GLOBAL_VAR_TYPE_UVEC2: {
pinfo.type = Variant::VECTOR2I;
} break;
case RS::GLOBAL_VAR_TYPE_UVEC3: {
pinfo.type = Variant::VECTOR3I;
} break;
case RS::GLOBAL_VAR_TYPE_UVEC4: {
pinfo.type = Variant::PACKED_INT32_ARRAY;
} break;
case RS::GLOBAL_VAR_TYPE_FLOAT: {
pinfo.type = Variant::FLOAT;
} break;
case RS::GLOBAL_VAR_TYPE_VEC2: {
pinfo.type = Variant::VECTOR2;
} break;
case RS::GLOBAL_VAR_TYPE_VEC3: {
pinfo.type = Variant::VECTOR3;
} break;
case RS::GLOBAL_VAR_TYPE_VEC4: {
pinfo.type = Variant::PLANE;
} break;
case RS::GLOBAL_VAR_TYPE_RECT2: {
pinfo.type = Variant::RECT2;
} break;
case RS::GLOBAL_VAR_TYPE_COLOR: {
pinfo.type = Variant::COLOR;
} break;
case RS::GLOBAL_VAR_TYPE_MAT2: {
pinfo.type = Variant::PACKED_INT32_ARRAY;
} break;
case RS::GLOBAL_VAR_TYPE_MAT3: {
pinfo.type = Variant::BASIS;
} break;
case RS::GLOBAL_VAR_TYPE_TRANSFORM_2D: {
pinfo.type = Variant::TRANSFORM2D;
} break;
case RS::GLOBAL_VAR_TYPE_TRANSFORM: {
pinfo.type = Variant::TRANSFORM3D;
} break;
case RS::GLOBAL_VAR_TYPE_MAT4: {
pinfo.type = Variant::PACKED_INT32_ARRAY;
} break;
case RS::GLOBAL_VAR_TYPE_SAMPLER2D: {
pinfo.type = Variant::OBJECT;
pinfo.hint = PROPERTY_HINT_RESOURCE_TYPE;
pinfo.hint_string = "Texture2D";
} break;
case RS::GLOBAL_VAR_TYPE_SAMPLER2DARRAY: {
pinfo.type = Variant::OBJECT;
pinfo.hint = PROPERTY_HINT_RESOURCE_TYPE;
pinfo.hint_string = "Texture2DArray";
} break;
case RS::GLOBAL_VAR_TYPE_SAMPLER3D: {
pinfo.type = Variant::OBJECT;
pinfo.hint = PROPERTY_HINT_RESOURCE_TYPE;
pinfo.hint_string = "Texture3D";
} break;
case RS::GLOBAL_VAR_TYPE_SAMPLERCUBE: {
pinfo.type = Variant::OBJECT;
pinfo.hint = PROPERTY_HINT_RESOURCE_TYPE;
pinfo.hint_string = "Cubemap";
} break;
default: {
} break;
}
p_list->push_back(pinfo);
}
}
public:
bool block_update = false;
ShaderGlobalsEditorInterface() {
}
};
static Variant create_var(RS::GlobalVariableType p_type) {
switch (p_type) {
case RS::GLOBAL_VAR_TYPE_BOOL: {
return false;
}
case RS::GLOBAL_VAR_TYPE_BVEC2: {
return 0; //bits
}
case RS::GLOBAL_VAR_TYPE_BVEC3: {
return 0; //bits
}
case RS::GLOBAL_VAR_TYPE_BVEC4: {
return 0; //bits
}
case RS::GLOBAL_VAR_TYPE_INT: {
return 0; //bits
}
case RS::GLOBAL_VAR_TYPE_IVEC2: {
return Vector2i();
}
case RS::GLOBAL_VAR_TYPE_IVEC3: {
return Vector3i();
}
case RS::GLOBAL_VAR_TYPE_IVEC4: {
Vector<int> v4;
v4.resize(4);
v4.write[0] = 0;
v4.write[1] = 0;
v4.write[2] = 0;
v4.write[3] = 0;
return v4;
}
case RS::GLOBAL_VAR_TYPE_RECT2I: {
return Rect2i();
}
case RS::GLOBAL_VAR_TYPE_UINT: {
return 0;
}
case RS::GLOBAL_VAR_TYPE_UVEC2: {
return Vector2i();
}
case RS::GLOBAL_VAR_TYPE_UVEC3: {
return Vector3i();
}
case RS::GLOBAL_VAR_TYPE_UVEC4: {
Vector<int> v4;
v4.resize(4);
v4.write[0] = 0;
v4.write[1] = 0;
v4.write[2] = 0;
v4.write[3] = 0;
return v4;
}
case RS::GLOBAL_VAR_TYPE_FLOAT: {
return 0.0;
}
case RS::GLOBAL_VAR_TYPE_VEC2: {
return Vector2();
}
case RS::GLOBAL_VAR_TYPE_VEC3: {
return Vector3();
}
case RS::GLOBAL_VAR_TYPE_VEC4: {
return Plane();
}
case RS::GLOBAL_VAR_TYPE_RECT2: {
return Rect2();
}
case RS::GLOBAL_VAR_TYPE_COLOR: {
return Color();
}
case RS::GLOBAL_VAR_TYPE_MAT2: {
Vector<real_t> xform;
xform.resize(4);
xform.write[0] = 1;
xform.write[1] = 0;
xform.write[2] = 0;
xform.write[3] = 1;
return xform;
}
case RS::GLOBAL_VAR_TYPE_MAT3: {
return Basis();
}
case RS::GLOBAL_VAR_TYPE_TRANSFORM_2D: {
return Transform2D();
}
case RS::GLOBAL_VAR_TYPE_TRANSFORM: {
return Transform3D();
}
case RS::GLOBAL_VAR_TYPE_MAT4: {
Vector<real_t> xform;
xform.resize(16);
xform.write[0] = 1;
xform.write[1] = 0;
xform.write[2] = 0;
xform.write[3] = 0;
xform.write[4] = 0;
xform.write[5] = 1;
xform.write[6] = 0;
xform.write[7] = 0;
xform.write[8] = 0;
xform.write[9] = 0;
xform.write[10] = 1;
xform.write[11] = 0;
xform.write[12] = 0;
xform.write[13] = 0;
xform.write[14] = 0;
xform.write[15] = 1;
return xform;
}
case RS::GLOBAL_VAR_TYPE_SAMPLER2D: {
return "";
}
case RS::GLOBAL_VAR_TYPE_SAMPLER2DARRAY: {
return "";
}
case RS::GLOBAL_VAR_TYPE_SAMPLER3D: {
return "";
}
case RS::GLOBAL_VAR_TYPE_SAMPLERCUBE: {
return "";
}
default: {
return Variant();
}
}
}
void ShaderGlobalsEditor::_variable_added() {
String var = variable_name->get_text().strip_edges();
if (var.is_empty() || !var.is_valid_identifier()) {
EditorNode::get_singleton()->show_warning(TTR("Please specify a valid variable identifier name."));
return;
}
if (RenderingServer::get_singleton()->global_variable_get(var).get_type() != Variant::NIL) {
EditorNode::get_singleton()->show_warning(vformat(TTR("Global variable '%s' already exists'"), var));
return;
}
List<String> keywords;
ShaderLanguage::get_keyword_list(&keywords);
if (keywords.find(var) != nullptr || var == "script") {
EditorNode::get_singleton()->show_warning(vformat(TTR("Name '%s' is a reserved shader language keyword."), var));
return;
}
UndoRedo *undo_redo = EditorNode::get_singleton()->get_undo_redo();
Variant value = create_var(RS::GlobalVariableType(variable_type->get_selected()));
undo_redo->create_action(TTR("Add Shader Global Variable"));
undo_redo->add_do_method(RS::get_singleton(), "global_variable_add", var, RS::GlobalVariableType(variable_type->get_selected()), value);
undo_redo->add_undo_method(RS::get_singleton(), "global_variable_remove", var);
Dictionary gv;
gv["type"] = global_var_type_names[variable_type->get_selected()];
gv["value"] = value;
undo_redo->add_do_property(ProjectSettings::get_singleton(), "shader_globals/" + var, gv);
undo_redo->add_undo_property(ProjectSettings::get_singleton(), "shader_globals/" + var, Variant());
undo_redo->add_do_method(this, "_changed");
undo_redo->add_undo_method(this, "_changed");
undo_redo->commit_action();
}
void ShaderGlobalsEditor::_variable_deleted(const String &p_variable) {
UndoRedo *undo_redo = EditorNode::get_singleton()->get_undo_redo();
undo_redo->create_action(TTR("Add Shader Global Variable"));
undo_redo->add_do_method(RS::get_singleton(), "global_variable_remove", p_variable);
undo_redo->add_undo_method(RS::get_singleton(), "global_variable_add", p_variable, RS::get_singleton()->global_variable_get_type(p_variable), RS::get_singleton()->global_variable_get(p_variable));
undo_redo->add_do_property(ProjectSettings::get_singleton(), "shader_globals/" + p_variable, Variant());
undo_redo->add_undo_property(ProjectSettings::get_singleton(), "shader_globals/" + p_variable, ProjectSettings::get_singleton()->get("shader_globals/" + p_variable));
undo_redo->add_do_method(this, "_changed");
undo_redo->add_undo_method(this, "_changed");
undo_redo->commit_action();
}
void ShaderGlobalsEditor::_changed() {
emit_signal(SNAME("globals_changed"));
if (!interface->block_update) {
interface->notify_property_list_changed();
}
}
void ShaderGlobalsEditor::_bind_methods() {
ClassDB::bind_method("_changed", &ShaderGlobalsEditor::_changed);
ADD_SIGNAL(MethodInfo("globals_changed"));
}
void ShaderGlobalsEditor::_notification(int p_what) {
if (p_what == NOTIFICATION_VISIBILITY_CHANGED) {
if (is_visible_in_tree()) {
inspector->edit(interface);
}
}
if (p_what == NOTIFICATION_PREDELETE) {
inspector->edit(nullptr);
}
}
ShaderGlobalsEditor::ShaderGlobalsEditor() {
HBoxContainer *add_menu_hb = memnew(HBoxContainer);
add_child(add_menu_hb);
add_menu_hb->add_child(memnew(Label(TTR("Name:"))));
variable_name = memnew(LineEdit);
variable_name->set_h_size_flags(SIZE_EXPAND_FILL);
add_menu_hb->add_child(variable_name);
add_menu_hb->add_child(memnew(Label(TTR("Type:"))));
variable_type = memnew(OptionButton);
variable_type->set_h_size_flags(SIZE_EXPAND_FILL);
add_menu_hb->add_child(variable_type);
for (int i = 0; i < RS::GLOBAL_VAR_TYPE_MAX; i++) {
variable_type->add_item(global_var_type_names[i]);
}
variable_add = memnew(Button(TTR("Add")));
add_menu_hb->add_child(variable_add);
variable_add->connect("pressed", callable_mp(this, &ShaderGlobalsEditor::_variable_added));
inspector = memnew(EditorInspector);
inspector->set_v_size_flags(SIZE_EXPAND_FILL);
add_child(inspector);
inspector->set_use_wide_editors(true);
inspector->set_enable_capitalize_paths(false);
inspector->set_use_deletable_properties(true);
inspector->connect("property_deleted", callable_mp(this, &ShaderGlobalsEditor::_variable_deleted), varray(), CONNECT_DEFERRED);
interface = memnew(ShaderGlobalsEditorInterface);
interface->connect("var_changed", Callable(this, "_changed"));
}
ShaderGlobalsEditor::~ShaderGlobalsEditor() {
memdelete(interface);
}
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