mirror of
https://github.com/G2-Games/lbee-utils.git
synced 2025-04-19 07:12:55 -05:00
More work reverse engineering scripts
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parent
866f353353
commit
43b65cf173
2 changed files with 121 additions and 158 deletions
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@ -5,7 +5,9 @@ edition = "2021"
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authors.workspace = true
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[dependencies]
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int-enum = "1.1.2"
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byteorder = "1.5"
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num-derive = "0.4"
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num-traits = "0.2"
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[lints]
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workspace = true
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@ -1,8 +1,57 @@
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use std::{fs::File, io::Read};
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use std::{fs::File, io::{Read, Seek}, process::exit};
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use byteorder::{ReadBytesExt, LE};
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use num_derive::{FromPrimitive, ToPrimitive};
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use num_traits::{FromPrimitive, ToPrimitive};
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fn main() {
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let mut script = File::open("LOOPERS_scenario_01").unwrap();
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while let Ok(byte) = script.read_u8() {
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if let Some(opcode) = Opcode::from_u8(byte) {
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println!(
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"{:X?}: {:#04X?} ({:?})",
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script.stream_position().unwrap() - 1,
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opcode.to_u8().unwrap(),
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opcode
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);
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if opcode == Opcode::TASK {
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break;
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}
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match opcode {
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Opcode::MESSAGE => {
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let variables = script.read_u8().unwrap();
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match variables {
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1 => continue,
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4 => {
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dbg!(script.read_u32::<LE>().unwrap());
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continue;
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}
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_ => (),
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}
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let message = Message {
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variables,
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unknown1: Some(script.read_u16::<LE>().unwrap()),
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unknown2: Some(script.read_u16::<LE>().unwrap()),
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index: Some(script.read_u16::<LE>().unwrap()),
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messages: Some((0..3).map(|_| ScriptString::read(&mut script)).collect()),
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};
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message.messages.unwrap().iter().for_each(|m| println!("{}", m.to_string()));
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println!("-----");
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},
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Opcode::JUMP => {
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dbg!(script.read_u32::<LE>().unwrap());
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println!("------");
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}
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_ => (),
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}
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}
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}
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}
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#[allow(non_camel_case_types)]
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#[repr(u8)]
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#[derive(Debug, PartialEq, Eq, PartialOrd, Ord)]
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#[derive(FromPrimitive, ToPrimitive)]
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enum Opcode {
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EQU,
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EQUN,
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@ -143,165 +192,77 @@ enum Opcode {
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UNKNOWN
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}
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impl TryFrom<u8> for Opcode {
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type Error = ();
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#[derive(Debug, PartialEq, Eq)]
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struct Message {
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variables: u8,
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unknown1: Option<u16>,
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unknown2: Option<u16>,
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index: Option<u16>,
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fn try_from(value: u8) -> Result<Self, Self::Error> {
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let val = match value {
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0 => Opcode::EQU,
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1 => Opcode::EQUN,
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2 => Opcode::EQUV,
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3 => Opcode::ADD,
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4 => Opcode::SUB,
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5 => Opcode::MUL,
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6 => Opcode::DIV,
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7 => Opcode::MOD,
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8 => Opcode::AND,
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9 => Opcode::OR,
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10 => Opcode::RANDOM,
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11 => Opcode::VARSTR,
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12 => Opcode::VARSTR_ADD,
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13 => Opcode::SET,
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14 => Opcode::FLAGCLR,
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15 => Opcode::GOTO,
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16 => Opcode::ONGOTO,
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17 => Opcode::GOSUB,
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18 => Opcode::IFY,
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19 => Opcode::IFN,
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20 => Opcode::RETURN,
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21 => Opcode::JUMP,
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22 => Opcode::FARCALL,
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23 => Opcode::FARRETURN,
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24 => Opcode::JUMPPOINT,
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25 => Opcode::END,
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26 => Opcode::STARTUP_BEGIN,
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27 => Opcode::STARTUP_END,
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28 => Opcode::TASKSCRVAR,
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29 => Opcode::VARSTR_SET,
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30 => Opcode::VARSTR_ALLOC,
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31 => Opcode::ARFLAGSET,
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32 => Opcode::COLORBG_SET,
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33 => Opcode::SPLINE_SET,
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34 => Opcode::SHAKELIST_SET,
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35 => Opcode::SCISSOR_TRIANGLELIST_SET,
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36 => Opcode::MESSAGE,
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37 => Opcode::MESSAGE_CLEAR,
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38 => Opcode::MESSAGE_WAIT,
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39 => Opcode::MESSAGE_AR_SET,
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40 => Opcode::SELECT,
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41 => Opcode::CLOSE_WINDOW,
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42 => Opcode::FADE_WINDOW,
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43 => Opcode::LOG_BEGIN,
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44 => Opcode::LOG_PAUSE,
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45 => Opcode::LOG_END,
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46 => Opcode::VOICE,
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47 => Opcode::VOICE_STOP,
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48 => Opcode::WAIT_COUNT,
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49 => Opcode::WAIT_TIME,
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50 => Opcode::WAIT_TEXTFEED,
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51 => Opcode::FFSTOP,
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52 => Opcode::INIT,
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53 => Opcode::STOP,
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54 => Opcode::IMAGELOAD,
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55 => Opcode::IMAGEUPDATE,
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56 => Opcode::ARC,
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57 => Opcode::MOVE,
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58 => Opcode::MOVE_SKIP,
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59 => Opcode::ROT,
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60 => Opcode::PEND,
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61 => Opcode::FADE,
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62 => Opcode::SCALE,
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63 => Opcode::SHAKE,
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64 => Opcode::SHAKELIST,
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65 => Opcode::BASE,
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66 => Opcode::MCMOVE,
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67 => Opcode::MCARC,
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68 => Opcode::MCROT,
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69 => Opcode::MCSHAKE,
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70 => Opcode::MCFADE,
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71 => Opcode::WAIT,
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72 => Opcode::WAIT_BSKIP,
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73 => Opcode::DRAW,
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74 => Opcode::WIPE,
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75 => Opcode::FRAMEON,
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76 => Opcode::FRAMEOFF,
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77 => Opcode::FW,
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78 => Opcode::SCISSOR,
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79 => Opcode::DELAY,
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80 => Opcode::RASTER,
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81 => Opcode::TONE,
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82 => Opcode::SCALECOSSIN,
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83 => Opcode::BMODE,
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84 => Opcode::SIZE,
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85 => Opcode::SPLINE,
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86 => Opcode::DISP,
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87 => Opcode::MASK,
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88 => Opcode::FACE,
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89 => Opcode::SEPIA,
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90 => Opcode::SEPIA_COLOR,
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91 => Opcode::CUSTOMMOVE,
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92 => Opcode::SWAP,
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93 => Opcode::ADDCOLOR,
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94 => Opcode::SUBCOLOR,
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95 => Opcode::SATURATION,
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96 => Opcode::CONTRAST,
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97 => Opcode::PRIORITY,
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98 => Opcode::UVWH,
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99 => Opcode::EVSCROLL,
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100 => Opcode::COLORLEVEL,
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101 => Opcode::NEGA,
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102 => Opcode::TONECURVE,
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103 => Opcode::SKIP_SCOPE_BEGIN,
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104 => Opcode::SKIP_SCOPE_END,
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105 => Opcode::QUAKE,
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106 => Opcode::BGM,
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107 => Opcode::BGM_WAIT_START,
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108 => Opcode::BGM_WAIT_FADE,
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109 => Opcode::BGM_PUSH,
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110 => Opcode::BGM_POP,
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111 => Opcode::SE,
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112 => Opcode::SE_STOP,
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113 => Opcode::SE_WAIT,
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114 => Opcode::SE_WAIT_COUNT,
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115 => Opcode::SE_WAIT_FADE,
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116 => Opcode::VOLUME,
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117 => Opcode::MOVIE,
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118 => Opcode::SETCGFLAG,
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119 => Opcode::EX,
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120 => Opcode::TROPHY,
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121 => Opcode::SETBGMFLAG,
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122 => Opcode::TASK,
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123 => Opcode::PRINTF,
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124 => Opcode::DIALOG,
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125 => Opcode::VIB_PLAY,
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126 => Opcode::VIB_FILE,
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127 => Opcode::VIB_STOP,
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128 => Opcode::CHAR_VOLUME,
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129 => Opcode::SCENE_REPLAY_END,
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130 => Opcode::SAVE_THUMBNAIL,
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131 => Opcode::MANPU,
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132 => Opcode::SCENARIO,
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133 => Opcode::SCRIPTLINE,
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134 => Opcode::COUNTER_SET,
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135 => Opcode::COUNTER_WAIT,
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_ => return Err(()),
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messages: Option<Vec<ScriptString>>,
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}
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impl Default for Message {
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fn default() -> Self {
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Self {
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variables: 1,
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unknown1: None,
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unknown2: None,
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index: None,
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messages: None
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}
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}
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}
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#[derive(Debug, PartialEq, Eq)]
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struct ScriptString {
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length: i16,
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format: StringFormat,
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buffer: Vec<u8>,
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}
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#[derive(Debug, PartialEq, Eq)]
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enum StringFormat {
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UTF8,
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UTF16,
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ShiftJIS,
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ASCII,
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}
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impl ScriptString {
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fn read<R: Read + ReadBytesExt>(input: &mut R) -> Self {
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let length = input.read_i16::<LE>().unwrap();
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let (mut buffer, format) = if length < 0 {
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// If the length is negative, then the length is the exact length in
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// bytes??
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(vec![0u8; length.abs() as usize + 1], StringFormat::UTF8)
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} else {
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// Otherwise double the length
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(vec![0u8; (length as usize + 1) * 2], StringFormat::UTF16)
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};
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Ok(val)
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input.read_exact(&mut buffer).unwrap();
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Self {
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length,
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format,
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buffer,
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}
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}
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}
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fn main() {
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let script = File::open("LOOPERS_scenario_01").unwrap();
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for byte in script.bytes().enumerate() {
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match Opcode::try_from(byte.1.unwrap()) {
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Ok(v) => {
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if v == Opcode::MESSAGE {
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println!("{:0X?}: {:?}", byte.0, v)
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}
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impl ToString for ScriptString {
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fn to_string(&self) -> String {
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match self.format {
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StringFormat::UTF8 => String::from_utf8_lossy(&self.buffer).to_string(),
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StringFormat::UTF16 => {
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String::from_utf16_lossy(
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&self.buffer
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.chunks(2)
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.map(|c| u16::from_le_bytes(c.try_into().unwrap())).collect::<Vec<u16>>()).to_owned()
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},
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Err(e) => (),
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StringFormat::ASCII => String::from_utf8_lossy(&self.buffer).to_string(),
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_ => unimplemented!(),
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}
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}
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}
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