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// Copyright (c) 2019-present Dmitry Stepanov and Fyrox Engine contributors.
//
// 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.
use crate::fyrox::graph::SceneGraph;
use crate::fyrox::gui::HorizontalAlignment;
use crate::fyrox::{
core::pool::Handle,
engine::Engine,
gui::{
button::{ButtonBuilder, ButtonMessage},
check_box::{CheckBoxBuilder, CheckBoxMessage},
grid::{Column, GridBuilder, Row},
message::{MessageDirection, UiMessage},
numeric::{NumericUpDownBuilder, NumericUpDownMessage},
text::TextBuilder,
widget::WidgetBuilder,
window::{WindowBuilder, WindowMessage, WindowTitle},
BuildContext, Thickness, UiNode, VerticalAlignment,
},
scene::{node::Node, particle_system::ParticleSystem},
};
use crate::{
scene::{GameScene, Selection},
send_sync_message, Message, FIXED_TIMESTEP,
};
pub struct ParticleSystemPreviewControlPanel {
pub window: Handle<UiNode>,
preview: Handle<UiNode>,
play: Handle<UiNode>,
pause: Handle<UiNode>,
stop: Handle<UiNode>,
rewind: Handle<UiNode>,
time: Handle<UiNode>,
set_time: Handle<UiNode>,
particle_systems_state: Vec<(Handle<Node>, Node)>,
desired_playback_time: f32,
scene_viewer_frame: Handle<UiNode>,
}
impl ParticleSystemPreviewControlPanel {
pub fn new(scene_viewer_frame: Handle<UiNode>, ctx: &mut BuildContext) -> Self {
let preview;
let play;
let pause;
let stop;
let rewind;
let grid = GridBuilder::new(
WidgetBuilder::new()
.with_child({
preview = CheckBoxBuilder::new(
WidgetBuilder::new()
.on_row(0)
.on_column(0)
.with_vertical_alignment(VerticalAlignment::Center)
.with_margin(Thickness::uniform(1.0)),
)
.with_content(
TextBuilder::new(
WidgetBuilder::new()
.with_vertical_alignment(VerticalAlignment::Center)
.with_margin(Thickness::uniform(1.0)),
)
.with_text("Preview")
.build(ctx),
)
.build(ctx);
preview
})
.with_child({
play = ButtonBuilder::new(
WidgetBuilder::new()
.on_row(0)
.on_column(1)
.with_margin(Thickness::uniform(1.0)),
)
.with_text("Play")
.build(ctx);
play
})
.with_child({
pause = ButtonBuilder::new(
WidgetBuilder::new()
.on_row(0)
.on_column(2)
.with_margin(Thickness::uniform(1.0)),
)
.with_text("Pause")
.build(ctx);
pause
})
.with_child({
stop = ButtonBuilder::new(
WidgetBuilder::new()
.on_row(0)
.on_column(3)
.with_margin(Thickness::uniform(1.0)),
)
.with_text("Stop")
.build(ctx);
stop
})
.with_child({
rewind = ButtonBuilder::new(
WidgetBuilder::new()
.on_row(0)
.on_column(4)
.with_margin(Thickness::uniform(1.0)),
)
.with_text("Rewind")
.build(ctx);
rewind
}),
)
.add_row(Row::stretch())
.add_column(Column::auto())
.add_column(Column::stretch())
.add_column(Column::stretch())
.add_column(Column::stretch())
.add_column(Column::stretch())
.build(ctx);
let time;
let set_time;
let window = WindowBuilder::new(
WidgetBuilder::new()
.with_name("ParticleSystemPanel")
.with_width(300.0)
.with_height(70.0),
)
.open(false)
.with_title(WindowTitle::text("Particle System"))
.with_content(
GridBuilder::new(
WidgetBuilder::new().with_child(grid).with_child(
GridBuilder::new(
WidgetBuilder::new()
.on_row(1)
.on_column(0)
.with_child(
TextBuilder::new(
WidgetBuilder::new()
.on_column(0)
.with_vertical_alignment(VerticalAlignment::Center)
.with_margin(Thickness::uniform(1.0)),
)
.with_text("Playback Time")
.build(ctx),
)
.with_child({
time = NumericUpDownBuilder::new(
WidgetBuilder::new()
.on_column(1)
.with_margin(Thickness::uniform(1.0)),
)
.with_min_value(0.0f32)
.with_max_value(10.0 * 60.0) // 10 Minutes
.with_value(0.0f32)
.build(ctx);
time
})
.with_child({
set_time = ButtonBuilder::new(
WidgetBuilder::new()
.on_column(2)
.with_width(33.0)
.with_margin(Thickness::uniform(1.0)),
)
.with_text("Set")
.build(ctx);
set_time
}),
)
.add_row(Row::stretch())
.add_column(Column::auto())
.add_column(Column::stretch())
.add_column(Column::auto())
.build(ctx),
),
)
.add_row(Row::stretch())
.add_row(Row::stretch())
.add_column(Column::stretch())
.build(ctx),
)
.build(ctx);
Self {
window,
play,
pause,
stop,
rewind,
time,
preview,
particle_systems_state: Default::default(),
set_time,
desired_playback_time: 0.0,
scene_viewer_frame,
}
}
pub fn handle_message(
&mut self,
message: &Message,
editor_selection: &Selection,
game_scene: &mut GameScene,
engine: &mut Engine,
) {
if let Message::DoCommand(_)
| Message::UndoCurrentSceneCommand
| Message::RedoCurrentSceneCommand = message
{
self.leave_preview_mode(game_scene, engine);
}
if let Message::SelectionChanged { .. } = message {
let scene = &engine.scenes[game_scene.scene];
if let Some(selection) = editor_selection.as_graph() {
let any_particle_system_selected = selection
.nodes
.iter()
.any(|n| scene.graph.try_get_of_type::<ParticleSystem>(*n).is_some());
if any_particle_system_selected {
engine
.user_interfaces
.first_mut()
.send_message(WindowMessage::open_and_align(
self.window,
MessageDirection::ToWidget,
self.scene_viewer_frame,
HorizontalAlignment::Right,
VerticalAlignment::Top,
Thickness::top_right(5.0),
false,
false,
));
} else {
engine
.user_interfaces
.first_mut()
.send_message(WindowMessage::close(
self.window,
MessageDirection::ToWidget,
));
}
}
}
}
fn enter_preview_mode(
&mut self,
editor_selection: &Selection,
game_scene: &mut GameScene,
engine: &mut Engine,
) {
assert!(self.particle_systems_state.is_empty());
let scene = &engine.scenes[game_scene.scene];
let node_overrides = game_scene.graph_switches.node_overrides.as_mut().unwrap();
if let Some(new_graph_selection) = editor_selection.as_graph() {
// Enable particle systems from new selection.
for &node_handle in &new_graph_selection.nodes {
if scene
.graph
.try_get_of_type::<ParticleSystem>(node_handle)
.is_some()
{
self.particle_systems_state
.push((node_handle, scene.graph[node_handle].clone_box()));
assert!(node_overrides.insert(node_handle));
}
}
}
}
pub fn leave_preview_mode(&mut self, game_scene: &mut GameScene, engine: &mut Engine) {
let scene = &mut engine.scenes[game_scene.scene];
let node_overrides = game_scene.graph_switches.node_overrides.as_mut().unwrap();
for (particle_system_handle, original) in self.particle_systems_state.drain(..) {
scene.graph[particle_system_handle] = original;
assert!(node_overrides.remove(&particle_system_handle));
}
send_sync_message(
engine.user_interfaces.first(),
CheckBoxMessage::checked(self.preview, MessageDirection::ToWidget, Some(false)),
);
}
pub fn is_in_preview_mode(&self) -> bool {
!self.particle_systems_state.is_empty()
}
pub fn handle_ui_message(
&mut self,
message: &UiMessage,
editor_selection: &Selection,
game_scene: &mut GameScene,
engine: &mut Engine,
) {
if let Some(selection) = editor_selection.as_graph() {
if let Some(ButtonMessage::Click) = message.data() {
let scene = &mut engine.scenes[game_scene.scene];
for &node in &selection.nodes {
if let Some(particle_system) =
scene.graph.try_get_mut_of_type::<ParticleSystem>(node)
{
if message.destination() == self.play {
particle_system.play(true);
} else if message.destination() == self.pause {
particle_system.play(false);
} else if message.destination() == self.stop {
particle_system.play(false);
particle_system.clear_particles();
} else if message.destination() == self.rewind {
particle_system.clear_particles();
} else if message.destination() == self.set_time {
particle_system.rewind(FIXED_TIMESTEP, self.desired_playback_time);
}
}
}
} else if let Some(CheckBoxMessage::Check(Some(value))) = message.data() {
if message.destination() == self.preview
&& message.direction() == MessageDirection::FromWidget
{
if *value {
self.enter_preview_mode(editor_selection, game_scene, engine);
} else {
self.leave_preview_mode(game_scene, engine);
}
}
} else if let Some(NumericUpDownMessage::Value(desired_playback_time)) = message.data()
{
if message.destination() == self.time
&& message.direction() == MessageDirection::FromWidget
{
self.desired_playback_time = *desired_playback_time;
}
}
}
}
}