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//! Components related to actors
use bevy::{prelude::*, utils::HashMap};
use yarnspinner::{compiler::{Compiler, File}, core::{Library, LineId}, runtime::{Dialogue, MemoryVariableStorage, StringTableTextProvider}};
/// Main actor component, holds state about dialogue along with the dialogue runner itself
#[derive(Component)]
pub struct Actor {
/// Whether this actor is currently conversing
pub active: bool,
/// Yarnspinner dialogue runner
pub dialogue: Dialogue,
/// Yarnspinner dialogue metadata
pub metadata: HashMap<LineId, Vec<String>>,
}
impl Actor {
/// Create a new actor from the given source code, starting on the given start node, and with
/// the given function library
pub fn new(file_name: &str, source: &[u8], start_node: &str, function_library: &Library) -> Self {
let compilation = Compiler::new()
.add_file(File {
source: String::from_utf8_lossy(source).into(),
file_name: file_name.into(),
})
.compile()
.unwrap();
let mut base_language_string_table = std::collections::HashMap::new();
let mut metadata = HashMap::new();
for (k, v) in compilation.string_table {
base_language_string_table.insert(k.clone(), v.text);
metadata.insert(k, v.metadata);
}
let mut text_provider = StringTableTextProvider::new();
text_provider.extend_base_language(base_language_string_table);
let mut dialogue = Dialogue::new(Box::new(MemoryVariableStorage::new()), Box::new(text_provider));
dialogue.library_mut().extend(function_library.clone());
dialogue.add_program(compilation.program.unwrap());
dialogue.set_node(start_node).unwrap();
Self {
active: false,
dialogue,
metadata,
}
}
}
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