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Added more opcodes

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G2-Games 2024-09-19 02:05:54 -05:00
parent f1c23bd3f4
commit ab2b381181
2 changed files with 49 additions and 21 deletions
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2
luca_script/Cargo.toml
View file

@ -6,8 +6,10 @@ authors.workspace = true
[dependencies] [dependencies]
byteorder = "1.5" byteorder = "1.5"
encoding_rs = "0.8.34"
num-derive = "0.4" num-derive = "0.4"
num-traits = "0.2" num-traits = "0.2"
safe-transmute = "0.11.3"
[lints] [lints]
workspace = true workspace = true

68
luca_script/src/main.rs
View file

@ -8,6 +8,7 @@ use safe_transmute::{transmute_many, SingleManyGuard};
fn main() { fn main() {
let mut script = BufReader::new(File::open("LOOPERS_scenario_01").unwrap()); let mut script = BufReader::new(File::open("LOOPERS_scenario_01").unwrap());
let mut unknown_count = 0;
while let Ok(byte) = script.read_u8() { while let Ok(byte) = script.read_u8() {
if let Some(opcode) = Opcode::from_u8(byte) { if let Some(opcode) = Opcode::from_u8(byte) {
println!( println!(
@ -20,13 +21,16 @@ fn main() {
parse_opcode(opcode, &mut script).unwrap(); parse_opcode(opcode, &mut script).unwrap();
} else { } else {
println!( println!(
"{:X?}: {:#04X?} (¡{:?}!)", "{:X?}: {:#04X?} (\x1b[0;41m{:?}\x1b[0m)",
script.stream_position().unwrap() - 1, script.stream_position().unwrap() - 1,
byte, byte,
Opcode::UNKNOWN, Opcode::UNKNOWN,
); );
unknown_count += 1;
} }
} }
println!("Encountered {unknown_count} unknown opcodes, it is very likely these are incorrect");
} }
fn parse_opcode<R: Read + BufRead>(opcode: Opcode, mut input: R) -> Result<(), io::Error> { fn parse_opcode<R: Read + BufRead>(opcode: Opcode, mut input: R) -> Result<(), io::Error> {
@ -57,37 +61,50 @@ fn parse_opcode<R: Read + BufRead>(opcode: Opcode, mut input: R) -> Result<(), i
println!("-----"); println!("-----");
}, },
Opcode::IMAGELOAD => { Opcode::IMAGELOAD => {
let mode = input.read_u8().unwrap(); let mode = input.read_u8()?;
println!("Mode: {mode}"); println!("Mode: {mode}");
if mode == 0 { if mode == 0 {
println!("Unknown: {}", input.read_u16::<LE>().unwrap()); println!("Unknown: {}", input.read_u16::<LE>()?);
} else { } else {
println!("Unknown: {}", input.read_u16::<LE>().unwrap()); println!("Unknown: {}", input.read_u16::<LE>()?);
println!("Unknown: {}", input.read_u16::<LE>().unwrap()); println!("Unknown: {}", input.read_u16::<LE>()?);
} }
let image_id = input.read_u16::<LE>().unwrap(); let image_id = input.read_u32::<LE>()?;
println!("Image ID: {image_id}"); println!("Image ID: {image_id}");
println!("-----"); println!("-----");
}, },
/* Opcode::BGM => {
Opcode::SELECT => { input.read_u8().unwrap(); // ?
let var_id = script.read_u16::<LE>().unwrap(); input.read_u16::<LE>().unwrap(); // ?
script.read_u16::<LE>().unwrap(); let bgm_id = input.read_u32::<LE>().unwrap();
script.read_u16::<LE>().unwrap();
script.read_u16::<LE>().unwrap(); println!("ID: \x1b[0;45m{bgm_id}\x1b[0m");
let msg_str = script.read_u16::<LE>().unwrap(); println!("-----");
script.read_u16::<LE>().unwrap(); }
script.read_u16::<LE>().unwrap();
script.read_u16::<LE>().unwrap();
println!("{var_id} & {msg_str}\n-----");
},
*/
Opcode::JUMP => { Opcode::JUMP => {
input.read_u8().unwrap();
input.read_u16::<LE>().unwrap(); input.read_u16::<LE>().unwrap();
} }
Opcode::VARSTR => { Opcode::VARSTR => {
println!("Unknown: {}", input.read_u32::<LE>()?); let id = input.read_u16::<LE>().unwrap();
println!("ID: {id}");
println!("-----");
}
Opcode::VARSTR_SET => {
let varstr = VarStrSet {
opcode,
variant: input.read_u8()?,
unknown1: input.read_u16::<LE>()?,
unknown2: input.read_u16::<LE>()?,
string: ScriptString::read(&mut input)?,
unknown3: input.read_u16::<LE>()?,
};
//println!("{}", varstr.string.to_string());
println!("{:02X?}", varstr.variant);
println!("{:02X?}", varstr.unknown1);
println!("ID: {}", varstr.unknown2);
println!("{:02X?}", varstr.unknown3);
println!("-----"); println!("-----");
} }
_ => (), _ => (),
@ -251,6 +268,16 @@ struct Message {
strings: Vec<ScriptString>, strings: Vec<ScriptString>,
} }
#[derive(Debug, PartialEq, Eq)]
struct VarStrSet {
opcode: Opcode,
variant: u8,
unknown1: u16,
unknown2: u16,
string: ScriptString,
unknown3: u16,
}
#[derive(Debug, PartialEq, Eq)] #[derive(Debug, PartialEq, Eq)]
struct ScriptString { struct ScriptString {
length: i16, length: i16,
@ -307,7 +334,6 @@ impl ToString for ScriptString {
StringFormat::UTF8 | StringFormat::ASCII => String::from_utf8_lossy(&self.buffer).to_string(), StringFormat::UTF8 | StringFormat::ASCII => String::from_utf8_lossy(&self.buffer).to_string(),
StringFormat::UTF16 => String::from_utf16_lossy(transmute_many::<u16, SingleManyGuard>(&self.buffer).unwrap()), StringFormat::UTF16 => String::from_utf16_lossy(transmute_many::<u16, SingleManyGuard>(&self.buffer).unwrap()),
StringFormat::ShiftJIS => SHIFT_JIS.decode(&self.buffer).0.to_string(), StringFormat::ShiftJIS => SHIFT_JIS.decode(&self.buffer).0.to_string(),
_ => unimplemented!(),
} }
} }
} }