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annotate formats/src/th06/ecl.rs @ 769:cae5f15ca5ed

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formats: Fix possible panic in PBG3 checksum check
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Tue, 30 Aug 2022 18:22:53 +0200
parents 21b186be2590
children
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1 //! ECL enemy script format support.
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2
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3 use nom::{
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4 IResult,
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5 number::complete::{le_u8, le_u16, le_u32, le_i16, le_i32, le_f32},
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6 sequence::tuple,
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7 multi::{count, many0},
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8 error::ErrorKind,
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9 Err,
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10 };
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11 use encoding_rs::SHIFT_JIS;
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12 use bitflags::bitflags;
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13
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14 bitflags! {
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15 /// Bit flags describing the current difficulty level.
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16 pub struct Rank: u16 {
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17 /// Easy mode.
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18 const EASY = 0x100;
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19
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20 /// Normal mode.
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21 const NORMAL = 0x200;
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22
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23 /// Hard mode.
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24 const HARD = 0x400;
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25
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26 /// Lunatic mode.
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27 const LUNATIC = 0x800;
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28
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29 /// Any or all modes.
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30 const ALL = 0xff00;
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31 }
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32 }
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33
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34 impl std::str::FromStr for Rank {
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35 type Err = String;
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36
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37 fn from_str(s: &str) -> Result<Rank, Self::Err> {
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38 Ok(match s {
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39 "easy" => Rank::EASY,
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40 "normal" => Rank::NORMAL,
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41 "hard" => Rank::HARD,
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42 "lunatic" => Rank::LUNATIC,
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43 _ => return Err(format!("unknown rank {}", s))
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44 })
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45 }
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46 }
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47
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48 /// A single instruction, part of a `Script`.
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49 #[derive(Debug, Clone)]
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50 pub struct CallSub {
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51 /// Time at which this instruction will be called.
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52 pub time: i32,
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53
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54 /// The difficulty level(s) this instruction will be called at.
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55 pub rank_mask: Rank,
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56
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57 /// TODO
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58 pub param_mask: u16,
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59
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60 /// The instruction to call.
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61 pub instr: SubInstruction,
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62 }
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63
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64 impl CallSub {
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65 /// Create a new instruction call.
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66 pub fn new(time: i32, rank_mask: Rank, instr: SubInstruction) -> CallSub {
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67 CallSub {
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68 time,
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69 rank_mask,
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70 param_mask: 0,
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71 instr,
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72 }
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73 }
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74 }
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75
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76 /// Script driving an animation.
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77 #[derive(Debug, Clone)]
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78 pub struct Sub {
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79 /// List of instructions in this script.
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80 pub instructions: Vec<CallSub>,
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81 }
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82
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83 /// A single instruction, part of a `Script`.
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84 #[derive(Debug, Clone)]
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85 pub struct CallMain {
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86 /// Time at which this instruction will be called.
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87 pub time: u16,
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88
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89 /// Subroutine to call for this enemy.
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90 pub sub: u16,
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91
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92 /// The instruction to call.
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93 pub instr: MainInstruction,
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94 }
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95
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96 /// Script driving an animation.
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97 #[derive(Debug, Clone)]
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98 pub struct Main {
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99 /// List of instructions in this script.
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100 pub instructions: Vec<CallMain>,
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101 }
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102
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103 /// Main struct of the ANM0 animation format.
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104 #[derive(Debug, Clone)]
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105 pub struct Ecl {
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106 /// A list of subs.
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107 pub subs: Vec<Sub>,
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108
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109 /// A list of mains.
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110 pub mains: Vec<Main>,
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111 }
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112
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113 impl Ecl {
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114 /// Parse a slice of bytes into an `Ecl` struct.
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115 pub fn from_slice(data: &[u8]) -> IResult<&[u8], Ecl> {
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116 parse_ecl(data)
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117 }
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118 }
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119
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120 macro_rules! declare_main_instructions {
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121 ($($opcode:tt => fn $name:ident($($arg:ident: $arg_type:ident),*)),*,) => {
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122 /// Available instructions in an `Ecl`.
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123 #[allow(missing_docs)]
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124 #[derive(Debug, Clone, Copy)]
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125 pub enum MainInstruction {
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126 $(
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127 $name($($arg_type),*)
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128 ),*
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129 }
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130
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131 fn parse_main_instruction_args(input: &[u8], opcode: u16) -> IResult<&[u8], MainInstruction> {
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132 let mut i = &input[..];
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133 let instr = match opcode {
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134 $(
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135 $opcode => {
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136 $(
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137 let (i2, $arg) = concat_idents!(le_, $arg_type)(i)?;
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138 i = i2;
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139 )*
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140 MainInstruction::$name($($arg),*)
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141 }
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142 )*
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143 _ => unreachable!()
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144 };
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145 Ok((i, instr))
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146 }
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147 };
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148 }
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149
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150 /// Parse a SHIFT_JIS byte string of length 34 into a String.
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151 #[allow(non_snake_case)]
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152 pub fn le_String(i: &[u8]) -> IResult<&[u8], String> {
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153 let data = i.splitn(2, |c| *c == b'\0').nth(0).unwrap();
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154 let (string, _encoding, _replaced) = SHIFT_JIS.decode(data);
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155 Ok((&i[34..], string.into_owned()))
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156 }
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157
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158 macro_rules! declare_sub_instructions {
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159 ($($opcode:tt => fn $name:ident($($arg:ident: $arg_type:ident),*)),*,) => {
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160 /// Available instructions in an `Ecl`.
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161 #[allow(missing_docs)]
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162 #[derive(Debug, Clone)]
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163 pub enum SubInstruction {
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164 $(
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165 $name($($arg_type),*)
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166 ),*
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167 }
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168
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169 fn parse_sub_instruction_args(input: &[u8], opcode: u16) -> IResult<&[u8], SubInstruction> {
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170 let mut i = &input[..];
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171 let instr = match opcode {
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172 $(
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173 $opcode => {
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174 $(
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175 let (i2, $arg) = concat_idents!(le_, $arg_type)(i)?;
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176 i = i2;
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177 )*
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178 SubInstruction::$name($($arg),*)
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179 }
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180 )*
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181 _ => unreachable!()
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182 };
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183 Ok((i, instr))
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184 }
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185 };
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186 }
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187
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188 declare_main_instructions!{
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189 0 => fn SpawnEnemy(x: f32, y: f32, z: f32, life: i16, bonus_dropped: i16, die_score: u32),
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190 2 => fn SpawnEnemyMirrored(x: f32, y: f32, z: f32, life: i16, bonus_dropped: i16, die_score: u32),
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191 4 => fn SpawnEnemyRandom(x: f32, y: f32, z: f32, life: i16, bonus_dropped: i16, die_score: u32),
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192 6 => fn SpawnEnemyMirroredRandom(x: f32, y: f32, z: f32, life: i16, bonus_dropped: i16, die_score: u32),
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193 8 => fn CallMessage(),
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194 9 => fn WaitMessage(),
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195 10 => fn ResumeEcl(x: f32, y: f32),
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196 12 => fn WaitForBossDeath(),
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197 }
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198
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199 declare_sub_instructions!{
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200 0 => fn Noop(),
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201 1 => fn Destroy(unused: u32),
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31fc0d881105 Make ecl_vm compile, and use it in eclrenderer (doesn’t render yet).
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202 2 => fn RelativeJump(frame: i32, ip: i32),
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203 3 => fn RelativeJumpEx(frame: i32, ip: i32, variable_id: i32),
650
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204 4 => fn SetInt(var: i32, value: i32),
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205 5 => fn SetFloat(var: i32, value: f32),
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206 6 => fn SetRandomInt(var: i32, max: i32),
685
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207 7 => fn SetRandomIntMin(var: i32, max: i32, min: i32),
650
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208 8 => fn SetRandomFloat(var: i32, max: f32),
660
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209 9 => fn SetRandomFloatMin(var: i32, amplitude: f32, min: f32),
650
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210 10 => fn StoreX(var: i32),
685
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211 11 => fn StoreY(var: i32),
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212 12 => fn StoreZ(var: i32),
650
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213 13 => fn AddInt(var: i32, a: i32, b: i32),
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214 14 => fn SubstractInt(var: i32, a: i32, b: i32),
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215 15 => fn MultiplyInt(var: i32, a: i32, b: i32),
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216 16 => fn DivideInt(var: i32, a: i32, b: i32),
660
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217 17 => fn ModuloInt(var: i32, a: i32, b: i32),
650
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218 18 => fn Increment(var: i32),
685
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219 19 => fn Decrement(var: i32),
650
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220 20 => fn AddFloat(var: i32, a: f32, b: f32),
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221 21 => fn SubstractFloat(var: i32, a: f32, b: f32),
685
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222 22 => fn MultiplyFloat(var: i32, a: f32, b: f32),
650
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223 23 => fn DivideFloat(var: i32, a: f32, b: f32),
685
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224 24 => fn ModuloFloat(var: i32, a: f32, b: f32),
650
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225 25 => fn GetDirection(var: i32, x1: f32, y1: f32, x2: f32, y2: f32),
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226 26 => fn FloatToUnitCircle(var: i32),
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227 27 => fn CompareInts(a: i32, b: i32),
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228 28 => fn CompareFloats(a: f32, b: f32),
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229 29 => fn RelativeJumpIfLowerThan(frame: i32, ip: i32),
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230 30 => fn RelativeJumpIfLowerOrEqual(frame: i32, ip: i32),
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231 31 => fn RelativeJumpIfEqual(frame: i32, ip: i32),
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232 32 => fn RelativeJumpIfGreaterThan(frame: i32, ip: i32),
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233 33 => fn RelativeJumpIfGreaterOrEqual(frame: i32, ip: i32),
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234 34 => fn RelativeJumpIfNotEqual(frame: i32, ip: i32),
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235 35 => fn Call(sub: i32, param1: i32, param2: f32),
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236 36 => fn Return(),
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237 37 => fn CallIfSuperior(sub: i32, param1: i32, param2: f32, a: i32, b: i32),
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238 38 => fn CallIfSuperiorOrEqual(sub: i32, param1: i32, param2: f32, a: i32, b: i32),
650
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239 39 => fn CallIfEqual(sub: i32, param1: i32, param2: f32, a: i32, b: i32),
685
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240 40 => fn CallIfInferior(sub: i32, param1: i32, param2: f32, a: i32, b: i32),
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241 41 => fn CallIfInferiorOrEqual(sub: i32, param1: i32, param2: f32, a: i32, b: i32),
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parents: 684
diff changeset
242 42 => fn CallIfNotEqual(sub: i32, param1: i32, param2: f32, a: i32, b: i32),
650
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243 43 => fn SetPosition(x: f32, y: f32, z: f32),
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244 45 => fn SetAngleAndSpeed(angle: f32, speed: f32),
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diff changeset
245 46 => fn SetRotationSpeed(speed: f32),
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246 47 => fn SetSpeed(speed: f32),
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247 48 => fn SetAcceleration(acceleration: f32),
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248 49 => fn SetRandomAngle(min: f32, max: f32),
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diff changeset
249 50 => fn SetRandomAngleEx(min: f32, max: f32),
682
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Gauvain "GovanifY" Roussel-Tarbouriech <gauvain@govanify.com>
parents: 676
diff changeset
250 51 => fn TargetPlayer(angle: f32, speed: f32),
650
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251 52 => fn MoveInDecel(duration: i32, angle: f32, speed: f32),
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252 56 => fn MoveToLinear(duration: i32, x: f32, y: f32, z: f32),
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253 57 => fn MoveToDecel(duration: i32, x: f32, y: f32, z: f32),
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254 59 => fn MoveToAccel(duration: i32, x: f32, y: f32, z: f32),
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255 61 => fn StopIn(duration: i32),
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256 63 => fn StopInAccel(duration: i32),
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257 65 => fn SetScreenBox(xmin: f32, ymin: f32, xmax: f32, ymax: f32),
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diff changeset
258 66 => fn ClearScreenBox(),
686
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diff changeset
259 67 => fn SetBulletAttributes1(anim: i16, sprite_index_offset: i16, bullets_per_shot: i32, number_of_shots: i32, speed: f32, speed2: f32, launch_angle: f32, angle: f32, flags: u32),
aefe5b5f481e ecl_vm: implement the SetBulletAttributes opcodes.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 685
diff changeset
260 68 => fn SetBulletAttributes2(anim: i16, sprite_index_offset: i16, bullets_per_shot: i32, number_of_shots: i32, speed: f32, speed2: f32, launch_angle: f32, angle: f32, flags: u32),
aefe5b5f481e ecl_vm: implement the SetBulletAttributes opcodes.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 685
diff changeset
261 69 => fn SetBulletAttributes3(anim: i16, sprite_index_offset: i16, bullets_per_shot: i32, number_of_shots: i32, speed: f32, speed2: f32, launch_angle: f32, angle: f32, flags: u32),
aefe5b5f481e ecl_vm: implement the SetBulletAttributes opcodes.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 685
diff changeset
262 70 => fn SetBulletAttributes4(anim: i16, sprite_index_offset: i16, bullets_per_shot: i32, number_of_shots: i32, speed: f32, speed2: f32, launch_angle: f32, angle: f32, flags: u32),
aefe5b5f481e ecl_vm: implement the SetBulletAttributes opcodes.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 685
diff changeset
263 71 => fn SetBulletAttributes5(anim: i16, sprite_index_offset: i16, bullets_per_shot: i32, number_of_shots: i32, speed: f32, speed2: f32, launch_angle: f32, angle: f32, flags: u32),
aefe5b5f481e ecl_vm: implement the SetBulletAttributes opcodes.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 685
diff changeset
264 74 => fn SetBulletAttributes6(anim: i16, sprite_index_offset: i16, bullets_per_shot: i32, number_of_shots: i32, speed: f32, speed2: f32, launch_angle: f32, angle: f32, flags: u32),
aefe5b5f481e ecl_vm: implement the SetBulletAttributes opcodes.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 685
diff changeset
265 75 => fn SetBulletAttributes7(anim: i16, sprite_index_offset: i16, bullets_per_shot: i32, number_of_shots: i32, speed: f32, speed2: f32, launch_angle: f32, angle: f32, flags: u32),
650
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
266 76 => fn SetBulletInterval(interval: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
267 77 => fn SetBulletIntervalEx(interval: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
268 78 => fn DelayAttack(),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
269 79 => fn NoDelayAttack(),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
270 81 => fn SetBulletLaunchOffset(x: f32, y: f32, z: f32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
271 82 => fn SetExtendedBulletAttributes(a: i32, b: i32, c: i32, d: i32, e: f32, f: f32, g: f32, h: f32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
272 83 => fn ChangeBulletsInStarBonus(),
676
826c16e5f909 Rename unknown ECL instructions to better recognise them.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 674
diff changeset
273 // TODO: Found in stage 4 onward.
728
414f8611f344 ecl: Add support for bullet sounds, instruction 84.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 716
diff changeset
274 84 => fn SetBulletSound(sound: i32),
650
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
275 85 => fn NewLaser(laser_type: i16, sprite_idx_offset: i16, angle: f32, speed: f32, start_offset: f32, end_offset: f32, max_length: f32, width: f32, start_duration: i32, duration: i32, end_duration: i32, grazing_delay: i32, grazing_extra_duration: i32, UNK1: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
276 86 => fn NewLaserTowardsPlayer(laser_type: i16, sprite_idx_offset: i16, angle: f32, speed: f32, start_offset: f32, end_offset: f32, max_length: f32, width: f32, start_duration: i32, duration: i32, end_duration: i32, grazing_delay: i32, grazing_extra_duration: i32, UNK1: i32),
683
8c50a7b19425 ecl_vm: more work
Gauvain "GovanifY" Roussel-Tarbouriech <gauvain@govanify.com>
parents: 682
diff changeset
277 87 => fn SetUpcomingLaserId(id: u32),
8c50a7b19425 ecl_vm: more work
Gauvain "GovanifY" Roussel-Tarbouriech <gauvain@govanify.com>
parents: 682
diff changeset
278 88 => fn AlterLaserAngle(id: u32, delta: f32),
8c50a7b19425 ecl_vm: more work
Gauvain "GovanifY" Roussel-Tarbouriech <gauvain@govanify.com>
parents: 682
diff changeset
279 90 => fn RepositionLaser(id: u32, ox: f32, oy: f32, oz: f32),
684
c8bb28961d31 ecl_vm: fixes for previous instructions
Gauvain "GovanifY" Roussel-Tarbouriech <gauvain@govanify.com>
parents: 683
diff changeset
280 91 => fn LaserSetCompare(id: u32),
683
8c50a7b19425 ecl_vm: more work
Gauvain "GovanifY" Roussel-Tarbouriech <gauvain@govanify.com>
parents: 682
diff changeset
281 92 => fn CancelLaser(id: u32),
650
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
282 93 => fn SetSpellcard(face: i16, number: i16, name: String),
685
11d7e4d6947a ecl_vm: nearing the complete list
Gauvain "GovanifY" Roussel-Tarbouriech <gauvain@govanify.com>
parents: 684
diff changeset
283 94 => fn EndSpellcard(),
650
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
284 95 => fn SpawnEnemy(sub: i32, x: f32, y: f32, z: f32, life: i16, bonus_dropped: i16, die_score: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
285 96 => fn KillAllEnemies(),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
286 97 => fn SetAnim(script: i32),
716
5016c09e5d7c Fix some warnings.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 714
diff changeset
287 98 => fn SetMultipleAnims(default: i16, end_left: i16, end_right: i16, left: i16, right: i16, _unused: i16),
650
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
288 99 => fn SetAuxAnm(number: i32, script: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
289 100 => fn SetDeathAnim(sprite_index: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
290 101 => fn SetBossMode(value: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
291 102 => fn CreateSquares(UNK1: i32, UNK2: f32, UNK3: f32, UNK4: f32, UNK5: f32),
661
598f3125cbac Implement enough instructions to execute sub 0 from stage 1.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 660
diff changeset
292 103 => fn SetHitbox(width: f32, height: f32, depth: f32),
650
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
293 104 => fn SetCollidable(collidable: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
294 105 => fn SetDamageable(damageable: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
295 106 => fn PlaySound(index: i32),
674
3e4cc64a254d ecl_vm: more instructions.
Gauvain "GovanifY" Roussel-Tarbouriech <gauvain@govanify.com>
parents: 669
diff changeset
296 107 => fn SetDeathFlags(death_flags: u32),
650
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
297 108 => fn SetDeathCallback(sub: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
298 109 => fn MemoryWriteInt(value: i32, index: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
299 111 => fn SetLife(life: i32),
685
11d7e4d6947a ecl_vm: nearing the complete list
Gauvain "GovanifY" Roussel-Tarbouriech <gauvain@govanify.com>
parents: 684
diff changeset
300 112 => fn SetElapsedTime(frame: i32),
650
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
301 113 => fn SetLowLifeTrigger(trigger: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
302 114 => fn SetLowLifeCallback(sub: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
303 115 => fn SetTimeout(timeout: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
304 116 => fn SetTimeoutCallback(sub: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
305 117 => fn SetTouchable(touchable: i32),
714
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
306 118 => fn DropParticles(anim: i32, number: u32, r: u8, g: u8, b: u8, a: u8),
650
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
307 119 => fn DropBonus(number: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
308 120 => fn SetAutomaticOrientation(automatic: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
309 121 => fn CallSpecialFunction(function: i32, argument: i32),
714
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
310 122 => fn SetSpecialFunctionCallback(function: i32),
650
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
311 123 => fn SkipFrames(frames: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
312 124 => fn DropSpecificBonus(type_: i32),
676
826c16e5f909 Rename unknown ECL instructions to better recognise them.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 674
diff changeset
313 // TODO: Found in stage 3.
826c16e5f909 Rename unknown ECL instructions to better recognise them.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 674
diff changeset
314 125 => fn UNK_ins125(),
650
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
315 126 => fn SetRemainingLives(lives: i32),
676
826c16e5f909 Rename unknown ECL instructions to better recognise them.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 674
diff changeset
316 // TODO: Found in stage 4.
716
5016c09e5d7c Fix some warnings.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 714
diff changeset
317 127 => fn UNK_ins127(UNK1: i32),
650
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
318 128 => fn Interrupt(event: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
319 129 => fn InterruptAux(number: i32, event: i32),
676
826c16e5f909 Rename unknown ECL instructions to better recognise them.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 674
diff changeset
320 // TODO: Found in stage 4.
716
5016c09e5d7c Fix some warnings.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 714
diff changeset
321 130 => fn UNK_ins130(UNK1: i32),
650
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
322 131 => fn SetDifficultyCoeffs(speed_a: f32, speed_b: f32, nb_a: i32, nb_b: i32, shots_a: i32, shots_b: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
323 132 => fn SetInvisible(invisible: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
324 133 => fn CopyCallbacks(),
676
826c16e5f909 Rename unknown ECL instructions to better recognise them.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 674
diff changeset
325 // TODO: Found in stage 4.
826c16e5f909 Rename unknown ECL instructions to better recognise them.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 674
diff changeset
326 134 => fn UNK_ins134(),
716
5016c09e5d7c Fix some warnings.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 714
diff changeset
327 135 => fn EnableSpellcardBonus(UNK1: i32),
650
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
328 }
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
329
714
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
330 fn parse_sub_instruction(input: &[u8]) -> IResult<&[u8], CallSub> {
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
331 let i = &input[..];
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
332 let (i, (time, opcode)) = tuple((le_i32, le_u16))(i)?;
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
333 if time == -1 || opcode == 0xffff {
755
fc937d93a57c Bump nom to version 6, and image to 0.23.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 728
diff changeset
334 return Err(Err::Error(nom::error::Error::new(i, ErrorKind::Eof)));
714
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
335 }
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
336
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
337 let (i, (size, rank_mask, param_mask)) = tuple((le_u16, le_u16, le_u16))(i)?;
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
338 let rank_mask = Rank::from_bits(rank_mask).unwrap();
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
339 let (i, instr) = parse_sub_instruction_args(i, opcode)?;
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
340 assert_eq!(input.len() - i.len(), size as usize);
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
341 let call = CallSub { time, rank_mask, param_mask, instr };
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
342 Ok((i, call))
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
343 }
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
344
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
345 fn parse_sub(i: &[u8]) -> IResult<&[u8], Sub> {
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
346 let (i, instructions) = many0(parse_sub_instruction)(i)?;
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
347 let sub = Sub { instructions };
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
348 Ok((i, sub))
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
349 }
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
350
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
351 fn parse_main_instruction(input: &[u8]) -> IResult<&[u8], CallMain> {
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
352 let i = &input[..];
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
353 let (i, (time, sub)) = tuple((le_u16, le_u16))(i)?;
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
354 if time == 0xffff && sub == 4 {
755
fc937d93a57c Bump nom to version 6, and image to 0.23.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 728
diff changeset
355 return Err(Err::Error(nom::error::Error::new(i, ErrorKind::Eof)));
714
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
356 }
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
357
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
358 let (i, (opcode, size)) = tuple((le_u16, le_u16))(i)?;
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
359 let size = size as usize;
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
360 let (i, instr) = parse_main_instruction_args(i, opcode)?;
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
361 assert_eq!(input.len() - i.len(), size as usize);
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
362 let call = CallMain { time, sub, instr };
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
363 Ok((i, call))
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
364 }
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
365
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
366 fn parse_main(i: &[u8]) -> IResult<&[u8], Main> {
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
367 let (i, instructions) = many0(parse_main_instruction)(i)?;
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
368 let main = Main { instructions };
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
369 Ok((i, main))
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
370 }
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 703
diff changeset
371
650
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
372 fn parse_ecl(input: &[u8]) -> IResult<&[u8], Ecl> {
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
373 let i = input;
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
374
714
fcc8f736c746 ecl: Simplify parsing.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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375 let (i, (sub_count, main_count)) = tuple((le_u16, le_u16))(i)?;
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376 let sub_count = sub_count as usize;
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377
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378 if main_count != 0 {
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379 // TODO: use a better error.
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380 return Err(Err::Error(nom::error::Error::new(i, ErrorKind::Eof)));
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381 }
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382
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383 let (_, (main_offsets, sub_offsets)) = tuple((
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384 count(le_u32, 3),
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385 count(le_u32, sub_count),
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386 ))(i)?;
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387
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388 // Read all subs.
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389 let mut subs = Vec::new();
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390 for offset in sub_offsets.into_iter().map(|offset| offset as usize) {
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391 let (_, sub) = parse_sub(&input[offset..])?;
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392 subs.push(sub);
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393 }
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394
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395 // Read all mains (always a single one atm).
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396 let mut mains = Vec::new();
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397 for offset in main_offsets.into_iter().map(|offset| offset as usize) {
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398 if offset == 0 {
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399 break;
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400 }
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401 let (_, main) = parse_main(&input[offset..])?;
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402 mains.push(main);
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403 }
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404
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405 let ecl = Ecl {
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406 subs,
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407 mains,
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408 };
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409 Ok((b"", ecl))
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410 }
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411
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412 #[cfg(test)]
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413 mod tests {
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414 use super::*;
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415 use std::io::{self, Read};
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416 use std::fs::File;
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417
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418 #[test]
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419 fn ecl() {
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420 let file = File::open("EoSD/ST/ecldata1.ecl").unwrap();
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421 let mut file = io::BufReader::new(file);
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422 let mut buf = vec![];
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423 file.read_to_end(&mut buf).unwrap();
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424 let (_, ecl) = Ecl::from_slice(&buf).unwrap();
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425 assert_eq!(ecl.subs.len(), 24);
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426 assert_eq!(ecl.mains.len(), 1);
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427 }
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428 }