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use super::*;
use bevy::audio::PlaybackMode;
use crate::pico8::audio::{AudioCommand, SfxDest};
pub(crate) fn plugin(app: &mut App) {
#[cfg(feature = "scripting")]
lua::plugin(app);
}
#[derive(Debug, Clone, Copy)]
pub enum SfxCommand {
Play(u8),
Release,
Stop,
}
impl From<u8> for SfxCommand {
fn from(x: u8) -> Self {
SfxCommand::Play(x)
}
}
impl super::Pico8<'_, '_> {
pub fn bank(&self, bank: usize) -> Result<&AudioBank, Error> {
let bank_handle = self
.pico8_asset()?
.audio_banks
.get(bank)
.ok_or(Error::NoAsset(format!("bank {bank}").into()))?;
self.audio_banks
.get(bank_handle)
.ok_or(Error::NoAsset("audio bank handle".into()))
}
// sfx( n, [channel,] [offset,] [length] )
pub fn sfx(
&mut self,
n: impl Into<SfxCommand>,
channel: Option<u8>,
offset: Option<u8>,
length: Option<u8>,
bank: Option<u8>,
) -> Result<(), Error> {
assert!(offset.is_none(), "offset not implemented");
assert!(length.is_none(), "length not implemented");
let n = n.into();
let bank = bank.unwrap_or(0);
match n {
SfxCommand::Release => {
if let Some(chan) = channel {
// let chan = self.sfx_channels[chan as usize];
self.commands
.queue(AudioCommand::Release(SfxDest::Channel(chan)));
} else {
self.commands.queue(AudioCommand::Release(SfxDest::Any));
}
}
SfxCommand::Stop => {
if let Some(chan) = channel {
// let chan = self.sfx_channels[chan as usize];
self.commands.queue(AudioCommand::Stop(
SfxDest::Channel(chan),
Some(PlaybackMode::Remove),
));
} else {
self.commands
.queue(AudioCommand::Stop(SfxDest::All, Some(PlaybackMode::Remove)));
}
}
SfxCommand::Play(n) => {
let sfx = self
.bank(bank as usize)?
.get(n as usize)
.ok_or(Error::NoAsset(format!("sfx {n}").into()))?
.clone();
if let Some(chan) = channel {
// let chan = self.sfx_channels[chan as usize];
self.commands.queue(AudioCommand::Play(
sfx,
SfxDest::Channel(chan),
PlaybackSettings::REMOVE,
));
} else {
self.commands.queue(AudioCommand::Play(
sfx,
SfxDest::Any,
PlaybackSettings::REMOVE,
));
}
}
}
Ok(())
}
// music( n, [facems,] [channelmask,] )
pub fn music(
&mut self,
n: impl Into<SfxCommand>,
_fade_ms: Option<u32>,
channel_mask: Option<u8>,
bank: Option<u8>,
) -> Result<(), Error> {
let n = n.into();
let bank = bank.unwrap_or(0);
match n {
SfxCommand::Release => {
panic!("Music does not accept a release command.");
}
SfxCommand::Stop => {
// if let Some(chan) = channel {
// let chan = self.sfx_channels[chan as usize];
// self.commands
// .queue(AudioCommand::Stop(SfxDest::Channel(chan), Some(PlaybackMode::Loop)));
// } else {
self.commands
.queue(AudioCommand::Stop(SfxDest::All, Some(PlaybackMode::Loop)));
// }
}
SfxCommand::Play(n) => {
let sfx = self
.bank(bank as usize)?
.get(n as usize)
.ok_or(Error::NoAsset(format!("music {n}").into()))?
.clone();
if let Some(mask) = channel_mask {
self.commands.queue(AudioCommand::Play(
sfx,
SfxDest::ChannelMask(mask),
PlaybackSettings::LOOP,
));
} else {
self.commands.queue(AudioCommand::Play(
sfx,
SfxDest::Any,
PlaybackSettings::LOOP,
));
}
}
}
Ok(())
}
}
#[cfg(feature = "scripting")]
mod lua {
use super::*;
use crate::pico8::lua::with_pico8;
use bevy_mod_scripting::bindings::function::{
namespace::{GlobalNamespace, NamespaceBuilder},
script_function::FunctionCallContext,
};
pub(crate) fn plugin(app: &mut App) {
let world = app.world_mut();
NamespaceBuilder::<GlobalNamespace>::new_unregistered(world)
.register(
"sfx",
|ctx: FunctionCallContext,
// TODO: Need to be able to specify which audio bank.
n: Option<isize>,
channel: Option<u8>,
offset: Option<u8>,
length: Option<u8>,
bank: Option<u8>| {
let n = n.unwrap_or(0);
with_pico8(&ctx, move |pico8| {
pico8.sfx(
match n {
-2 => Ok(SfxCommand::Release),
-1 => Ok(SfxCommand::Stop),
n if n >= 0 => Ok(SfxCommand::Play(n as u8)), // TODO: Change to usize
x => Err(Error::InvalidArgument(
format!("sfx: expected n to be -2, -1 or >= 0 but was {x}")
.into(),
)),
}?,
channel,
offset,
length,
bank,
)
})
},
)
.register(
"music",
|ctx: FunctionCallContext,
// TODO: Need to be able to specify which audio bank.
n: Option<isize>,
fade_ms: Option<u32>,
channel_mask: Option<u8>,
bank: Option<u8>| {
let n = n.unwrap_or(0);
with_pico8(&ctx, move |pico8| {
pico8.music(
match n {
-2 => Ok(SfxCommand::Release),
-1 => Ok(SfxCommand::Stop),
n if n >= 0 => Ok(SfxCommand::Play(n as u8)),
x => Err(Error::InvalidArgument(
format!("sfx: expected n to be -2, -1 or >= 0 but was {x}")
.into(),
)),
}?,
fade_ms,
channel_mask,
bank,
)
})
},
);
}
}