virtualx-engine/editor/plugins/voxel_gi_editor_plugin.cpp
2024-05-14 15:51:28 +02:00

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/**************************************************************************/
/* voxel_gi_editor_plugin.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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 "voxel_gi_editor_plugin.h"
#include "editor/editor_interface.h"
#include "editor/editor_node.h"
#include "editor/editor_string_names.h"
#include "editor/gui/editor_file_dialog.h"
void VoxelGIEditorPlugin::_bake() {
if (voxel_gi) {
Ref<VoxelGIData> voxel_gi_data = voxel_gi->get_probe_data();
if (voxel_gi_data.is_null()) {
String path = get_tree()->get_edited_scene_root()->get_scene_file_path();
if (path.is_empty()) {
path = "res://" + voxel_gi->get_name() + "_data.res";
} else {
String ext = path.get_extension();
path = path.get_basename() + "." + voxel_gi->get_name() + "_data.res";
}
probe_file->set_current_path(path);
probe_file->popup_file_dialog();
return;
} else {
String path = voxel_gi_data->get_path();
if (!path.is_resource_file()) {
int srpos = path.find("::");
if (srpos != -1) {
String base = path.substr(0, srpos);
if (ResourceLoader::get_resource_type(base) == "PackedScene") {
if (!get_tree()->get_edited_scene_root() || get_tree()->get_edited_scene_root()->get_scene_file_path() != base) {
EditorNode::get_singleton()->show_warning(TTR("Voxel GI data is not local to the scene."));
return;
}
} else {
if (FileAccess::exists(base + ".import")) {
EditorNode::get_singleton()->show_warning(TTR("Voxel GI data is part of an imported resource."));
return;
}
}
}
} else {
if (FileAccess::exists(path + ".import")) {
EditorNode::get_singleton()->show_warning(TTR("Voxel GI data is an imported resource."));
return;
}
}
}
voxel_gi->bake();
}
}
void VoxelGIEditorPlugin::edit(Object *p_object) {
VoxelGI *s = Object::cast_to<VoxelGI>(p_object);
if (!s) {
return;
}
voxel_gi = s;
}
bool VoxelGIEditorPlugin::handles(Object *p_object) const {
return p_object->is_class("VoxelGI");
}
void VoxelGIEditorPlugin::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_PROCESS: {
if (!voxel_gi) {
return;
}
// Set information tooltip on the Bake button. This information is useful
// to optimize performance (video RAM size) and reduce light leaking (individual cell size).
const Vector3i cell_size = voxel_gi->get_estimated_cell_size();
const Vector3 half_size = voxel_gi->get_size() / 2;
const int data_size = 4;
const double size_mb = cell_size.x * cell_size.y * cell_size.z * data_size / (1024.0 * 1024.0);
// Add a qualitative measurement to help the user assess whether a VoxelGI node is using a lot of VRAM.
String size_quality;
if (size_mb < 16.0) {
size_quality = TTR("Low");
} else if (size_mb < 64.0) {
size_quality = TTR("Moderate");
} else {
size_quality = TTR("High");
}
String text;
text += vformat(TTR("Subdivisions: %s"), vformat(U"%d × %d × %d", cell_size.x, cell_size.y, cell_size.z)) + "\n";
text += vformat(TTR("Cell size: %s"), vformat(U"%.3f × %.3f × %.3f", half_size.x / cell_size.x, half_size.y / cell_size.y, half_size.z / cell_size.z)) + "\n";
text += vformat(TTR("Video RAM size: %s MB (%s)"), String::num(size_mb, 2), size_quality);
// Only update the tooltip when needed to avoid constant redrawing.
if (bake->get_tooltip(Point2()) == text) {
return;
}
bake->set_tooltip_text(text);
} break;
}
}
void VoxelGIEditorPlugin::make_visible(bool p_visible) {
if (p_visible) {
bake_hb->show();
set_process(true);
} else {
bake_hb->hide();
set_process(false);
}
}
EditorProgress *VoxelGIEditorPlugin::tmp_progress = nullptr;
void VoxelGIEditorPlugin::bake_func_begin(int p_steps) {
ERR_FAIL_COND(tmp_progress != nullptr);
tmp_progress = memnew(EditorProgress("bake_gi", TTR("Bake VoxelGI"), p_steps));
}
void VoxelGIEditorPlugin::bake_func_step(int p_step, const String &p_description) {
ERR_FAIL_NULL(tmp_progress);
tmp_progress->step(p_description, p_step, false);
}
void VoxelGIEditorPlugin::bake_func_end() {
ERR_FAIL_NULL(tmp_progress);
memdelete(tmp_progress);
tmp_progress = nullptr;
}
void VoxelGIEditorPlugin::_voxel_gi_save_path_and_bake(const String &p_path) {
probe_file->hide();
if (voxel_gi) {
voxel_gi->bake();
// Ensure the VoxelGIData is always saved to an external resource.
// This avoids bloating the scene file with large binary data,
// which would be serialized as Base64 if the scene is a `.tscn` file.
Ref<VoxelGIData> voxel_gi_data = voxel_gi->get_probe_data();
ERR_FAIL_COND(voxel_gi_data.is_null());
voxel_gi_data->set_path(p_path);
ResourceSaver::save(voxel_gi_data, p_path, ResourceSaver::FLAG_CHANGE_PATH);
}
}
void VoxelGIEditorPlugin::_bind_methods() {
}
VoxelGIEditorPlugin::VoxelGIEditorPlugin() {
bake_hb = memnew(HBoxContainer);
bake_hb->set_h_size_flags(Control::SIZE_EXPAND_FILL);
bake_hb->hide();
bake = memnew(Button);
bake->set_theme_type_variation("FlatButton");
// TODO: Rework this as a dedicated toolbar control so we can hook into theme changes and update it
// when the editor theme updates.
bake->set_icon(EditorNode::get_singleton()->get_editor_theme()->get_icon(SNAME("Bake"), EditorStringName(EditorIcons)));
bake->set_text(TTR("Bake VoxelGI"));
bake->connect(SceneStringName(pressed), callable_mp(this, &VoxelGIEditorPlugin::_bake));
bake_hb->add_child(bake);
add_control_to_container(CONTAINER_SPATIAL_EDITOR_MENU, bake_hb);
voxel_gi = nullptr;
probe_file = memnew(EditorFileDialog);
probe_file->set_file_mode(EditorFileDialog::FILE_MODE_SAVE_FILE);
probe_file->add_filter("*.res");
probe_file->connect("file_selected", callable_mp(this, &VoxelGIEditorPlugin::_voxel_gi_save_path_and_bake));
EditorInterface::get_singleton()->get_base_control()->add_child(probe_file);
probe_file->set_title(TTR("Select path for VoxelGI Data File"));
VoxelGI::bake_begin_function = bake_func_begin;
VoxelGI::bake_step_function = bake_func_step;
VoxelGI::bake_end_function = bake_func_end;
}
VoxelGIEditorPlugin::~VoxelGIEditorPlugin() {
}