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annotate src/th06/ecl.rs @ 702:718348c7608e

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anm0: simplify parsing with more combinators.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Fri, 23 Aug 2019 17:22:38 +0200
parents 7ae576a418ff
children 81232dac8136
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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 bytes::complete::take_while_m_n,
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6 number::complete::{le_u8, le_u16, le_u32, le_i16, le_i32, le_f32},
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7 };
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8 use encoding_rs::SHIFT_JIS;
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9 use bitflags::bitflags;
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10
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11 bitflags! {
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12 /// Bit flags describing the current difficulty level.
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13 pub struct Rank: u16 {
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14 /// Easy mode.
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15 const Easy = 0x100;
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16
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17 /// Normal mode.
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18 const Normal = 0x200;
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19
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20 /// Hard mode.
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21 const Hard = 0x400;
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22
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23 /// Lunatic mode.
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24 const Lunatic = 0x800;
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25
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26 /// Any or all modes.
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27 const All = 0xff00;
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28 }
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29 }
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30
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31 impl std::str::FromStr for Rank {
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32 type Err = String;
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33
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34 fn from_str(s: &str) -> Result<Rank, Self::Err> {
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35 Ok(match s {
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36 "easy" => Rank::Easy,
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37 "normal" => Rank::Normal,
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38 "hard" => Rank::Hard,
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39 "lunatic" => Rank::Lunatic,
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40 _ => return Err(format!("unknown rank {}", s))
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41 })
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42 }
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43 }
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44
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45 /// A single instruction, part of a `Script`.
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46 #[derive(Debug, Clone)]
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47 pub struct CallSub {
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48 /// Time at which this instruction will be called.
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49 pub time: i32,
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50
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51 /// The difficulty level(s) this instruction will be called at.
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52 pub rank_mask: Rank,
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53
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54 /// TODO
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55 pub param_mask: u16,
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56
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57 /// The instruction to call.
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58 pub instr: SubInstruction,
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59 }
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60
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61 impl CallSub {
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62 /// Create a new instruction call.
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63 pub fn new(time: i32, rank_mask: Rank, instr: SubInstruction) -> CallSub {
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64 CallSub {
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65 time,
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66 rank_mask,
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67 param_mask: 0,
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68 instr,
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69 }
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70 }
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71 }
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72
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73 /// Script driving an animation.
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74 #[derive(Debug, Clone)]
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75 pub struct Sub {
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76 /// List of instructions in this script.
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77 pub instructions: Vec<CallSub>,
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78 }
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79
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80 /// A single instruction, part of a `Script`.
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81 #[derive(Debug, Clone)]
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82 pub struct CallMain {
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83 /// Time at which this instruction will be called.
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84 pub time: u16,
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85
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86 /// Subroutine to call for this enemy.
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87 pub sub: u16,
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88
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89 /// The instruction to call.
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90 pub instr: MainInstruction,
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91 }
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92
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93 /// Script driving an animation.
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94 #[derive(Debug, Clone)]
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95 pub struct Main {
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96 /// List of instructions in this script.
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97 pub instructions: Vec<CallMain>,
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98 }
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99
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100 /// Main struct of the ANM0 animation format.
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101 #[derive(Debug, Clone)]
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102 pub struct Ecl {
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103 /// A list of subs.
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104 pub subs: Vec<Sub>,
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105
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106 /// A list of mains.
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107 pub mains: Vec<Main>,
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108 }
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109
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110 impl Ecl {
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111 /// Parse a slice of bytes into an `Ecl` struct.
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112 pub fn from_slice(data: &[u8]) -> IResult<&[u8], Ecl> {
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113 parse_ecl(data)
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114 }
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115 }
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116
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117 macro_rules! declare_main_instructions {
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118 ($($opcode:tt => fn $name:ident($($arg:ident: $arg_type:ident),*)),*,) => {
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119 /// Available instructions in an `Ecl`.
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120 #[allow(missing_docs)]
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121 #[derive(Debug, Clone, Copy)]
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122 pub enum MainInstruction {
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123 $(
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124 $name($($arg_type),*)
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125 ),*
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126 }
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127
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128 fn parse_main_instruction_args(input: &[u8], opcode: u16) -> IResult<&[u8], MainInstruction> {
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129 let mut i = &input[..];
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130 let instr = match opcode {
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131 $(
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132 $opcode => {
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133 $(
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134 let (i2, $arg) = concat_idents!(le_, $arg_type)(i)?;
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135 i = i2;
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136 )*
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137 MainInstruction::$name($($arg),*)
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138 }
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139 )*
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140 _ => unreachable!()
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141 };
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142 Ok((i, instr))
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143 }
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144 };
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145 }
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146
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147 /// Parse a SHIFT_JIS byte string of length 34 into a String.
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148 pub fn le_String(i: &[u8]) -> IResult<&[u8], String> {
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149 assert_eq!(i.len(), 34);
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150 let data = i.splitn(2, |c| *c == b'\0').nth(0).unwrap();
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151 let (string, encoding, replaced) = SHIFT_JIS.decode(data);
650
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152 Ok((&i[34..], string.into_owned()))
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153 }
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154
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155 macro_rules! declare_sub_instructions {
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156 ($($opcode:tt => fn $name:ident($($arg:ident: $arg_type:ident),*)),*,) => {
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157 /// Available instructions in an `Ecl`.
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158 #[allow(missing_docs)]
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159 #[derive(Debug, Clone)]
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160 pub enum SubInstruction {
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161 $(
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162 $name($($arg_type),*)
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163 ),*
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164 }
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165
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166 fn parse_sub_instruction_args(input: &[u8], opcode: u16) -> IResult<&[u8], SubInstruction> {
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167 let mut i = &input[..];
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168 let instr = match opcode {
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169 $(
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170 $opcode => {
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171 $(
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172 let (i2, $arg) = concat_idents!(le_, $arg_type)(i)?;
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173 i = i2;
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174 )*
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175 SubInstruction::$name($($arg),*)
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176 }
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177 )*
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178 _ => unreachable!()
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179 };
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180 Ok((i, instr))
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181 }
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182 };
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183 }
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184
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185 declare_main_instructions!{
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186 0 => fn SpawnEnemy(x: f32, y: f32, z: f32, life: i16, bonus_dropped: i16, die_score: u32),
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187 2 => fn SpawnEnemyMirrored(x: f32, y: f32, z: f32, life: i16, bonus_dropped: i16, die_score: u32),
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188 4 => fn SpawnEnemyRandom(x: f32, y: f32, z: f32, life: i16, bonus_dropped: i16, die_score: u32),
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189 6 => fn SpawnEnemyMirroredRandom(x: f32, y: f32, z: f32, life: i16, bonus_dropped: i16, die_score: u32),
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190 8 => fn CallMessage(),
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191 9 => fn WaitMessage(),
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192 10 => fn ResumeEcl(x: f32, y: f32),
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193 12 => fn WaitForBossDeath(),
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194 }
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195
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196 declare_sub_instructions!{
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197 0 => fn Noop(),
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198 1 => fn Destroy(unused: u32),
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199 2 => fn RelativeJump(frame: i32, ip: i32),
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200 3 => fn RelativeJumpEx(frame: i32, ip: i32, variable_id: i32),
650
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201 4 => fn SetInt(var: i32, value: i32),
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202 5 => fn SetFloat(var: i32, value: f32),
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203 6 => fn SetRandomInt(var: i32, max: i32),
685
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204 7 => fn SetRandomIntMin(var: i32, max: i32, min: i32),
650
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205 8 => fn SetRandomFloat(var: i32, max: f32),
660
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206 9 => fn SetRandomFloatMin(var: i32, amplitude: f32, min: f32),
650
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207 10 => fn StoreX(var: i32),
685
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208 11 => fn StoreY(var: i32),
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209 12 => fn StoreZ(var: i32),
650
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210 13 => fn AddInt(var: i32, a: i32, b: i32),
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211 14 => fn SubstractInt(var: i32, a: i32, b: i32),
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212 15 => fn MultiplyInt(var: i32, a: i32, b: i32),
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213 16 => fn DivideInt(var: i32, a: i32, b: i32),
660
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214 17 => fn ModuloInt(var: i32, a: i32, b: i32),
650
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215 18 => fn Increment(var: i32),
685
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216 19 => fn Decrement(var: i32),
650
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217 20 => fn AddFloat(var: i32, a: f32, b: f32),
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218 21 => fn SubstractFloat(var: i32, a: f32, b: f32),
685
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219 22 => fn MultiplyFloat(var: i32, a: f32, b: f32),
650
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220 23 => fn DivideFloat(var: i32, a: f32, b: f32),
685
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parents: 684
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221 24 => fn ModuloFloat(var: i32, a: f32, b: f32),
650
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222 25 => fn GetDirection(var: i32, x1: f32, y1: f32, x2: f32, y2: f32),
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223 26 => fn FloatToUnitCircle(var: i32),
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224 27 => fn CompareInts(a: i32, b: i32),
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225 28 => fn CompareFloats(a: f32, b: f32),
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226 29 => fn RelativeJumpIfLowerThan(frame: i32, ip: i32),
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diff changeset
227 30 => fn RelativeJumpIfLowerOrEqual(frame: i32, ip: i32),
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diff changeset
228 31 => fn RelativeJumpIfEqual(frame: i32, ip: i32),
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229 32 => fn RelativeJumpIfGreaterThan(frame: i32, ip: i32),
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230 33 => fn RelativeJumpIfGreaterOrEqual(frame: i32, ip: i32),
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diff changeset
231 34 => fn RelativeJumpIfNotEqual(frame: i32, ip: i32),
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232 35 => fn Call(sub: i32, param1: i32, param2: f32),
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233 36 => fn Return(),
685
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diff changeset
234 37 => fn CallIfSuperior(sub: i32, param1: i32, param2: f32, a: i32, b: i32),
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parents: 684
diff changeset
235 38 => fn CallIfSuperiorOrEqual(sub: i32, param1: i32, param2: f32, a: i32, b: i32),
650
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236 39 => fn CallIfEqual(sub: i32, param1: i32, param2: f32, a: i32, b: i32),
685
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diff changeset
237 40 => fn CallIfInferior(sub: i32, param1: i32, param2: f32, a: i32, b: i32),
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parents: 684
diff changeset
238 41 => fn CallIfInferiorOrEqual(sub: i32, param1: i32, param2: f32, a: i32, b: i32),
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parents: 684
diff changeset
239 42 => fn CallIfNotEqual(sub: i32, param1: i32, param2: f32, a: i32, b: i32),
650
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240 43 => fn SetPosition(x: f32, y: f32, z: f32),
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parents:
diff changeset
241 45 => fn SetAngleAndSpeed(angle: f32, speed: f32),
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diff changeset
242 46 => fn SetRotationSpeed(speed: f32),
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parents:
diff changeset
243 47 => fn SetSpeed(speed: f32),
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
244 48 => fn SetAcceleration(acceleration: f32),
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diff changeset
245 49 => fn SetRandomAngle(min: f32, max: f32),
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parents:
diff changeset
246 50 => fn SetRandomAngleEx(min: f32, max: f32),
682
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Gauvain "GovanifY" Roussel-Tarbouriech <gauvain@govanify.com>
parents: 676
diff changeset
247 51 => fn TargetPlayer(angle: f32, speed: f32),
650
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diff changeset
248 52 => fn MoveInDecel(duration: i32, angle: f32, speed: f32),
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diff changeset
249 56 => fn MoveToLinear(duration: i32, x: f32, y: f32, z: f32),
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diff changeset
250 57 => fn MoveToDecel(duration: i32, x: f32, y: f32, z: f32),
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diff changeset
251 59 => fn MoveToAccel(duration: i32, x: f32, y: f32, z: f32),
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252 61 => fn StopIn(duration: i32),
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253 63 => fn StopInAccel(duration: i32),
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diff changeset
254 65 => fn SetScreenBox(xmin: f32, ymin: f32, xmax: f32, ymax: f32),
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parents:
diff changeset
255 66 => fn ClearScreenBox(),
686
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diff changeset
256 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),
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diff changeset
257 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
258 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
259 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
260 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
261 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
262 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
263 76 => fn SetBulletInterval(interval: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
264 77 => fn SetBulletIntervalEx(interval: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
265 78 => fn DelayAttack(),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
266 79 => fn NoDelayAttack(),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
267 81 => fn SetBulletLaunchOffset(x: f32, y: f32, z: f32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
268 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
269 83 => fn ChangeBulletsInStarBonus(),
676
826c16e5f909 Rename unknown ECL instructions to better recognise them.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 674
diff changeset
270 // TODO: Found in stage 4 onward.
826c16e5f909 Rename unknown ECL instructions to better recognise them.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 674
diff changeset
271 84 => fn UNK_ins84(param: i32),
650
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
272 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
273 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
274 87 => fn SetUpcomingLaserId(id: u32),
8c50a7b19425 ecl_vm: more work
Gauvain "GovanifY" Roussel-Tarbouriech <gauvain@govanify.com>
parents: 682
diff changeset
275 88 => fn AlterLaserAngle(id: u32, delta: f32),
8c50a7b19425 ecl_vm: more work
Gauvain "GovanifY" Roussel-Tarbouriech <gauvain@govanify.com>
parents: 682
diff changeset
276 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
277 91 => fn LaserSetCompare(id: u32),
683
8c50a7b19425 ecl_vm: more work
Gauvain "GovanifY" Roussel-Tarbouriech <gauvain@govanify.com>
parents: 682
diff changeset
278 92 => fn CancelLaser(id: u32),
650
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
279 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
280 94 => fn EndSpellcard(),
650
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
281 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
282 96 => fn KillAllEnemies(),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
283 97 => fn SetAnim(script: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
284 98 => fn SetMultipleAnims(default: i16, end_left: i16, end_right: i16, left: i16, right: i16, UNUSED: i16),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
285 99 => fn SetAuxAnm(number: i32, script: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
286 100 => fn SetDeathAnim(sprite_index: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
287 101 => fn SetBossMode(value: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
288 102 => 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
289 103 => fn SetHitbox(width: f32, height: f32, depth: f32),
650
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
290 104 => fn SetCollidable(collidable: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
291 105 => fn SetDamageable(damageable: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
292 106 => fn PlaySound(index: i32),
674
3e4cc64a254d ecl_vm: more instructions.
Gauvain "GovanifY" Roussel-Tarbouriech <gauvain@govanify.com>
parents: 669
diff changeset
293 107 => fn SetDeathFlags(death_flags: u32),
650
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
294 108 => fn SetDeathCallback(sub: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
295 109 => fn MemoryWriteInt(value: i32, index: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
296 111 => fn SetLife(life: i32),
685
11d7e4d6947a ecl_vm: nearing the complete list
Gauvain "GovanifY" Roussel-Tarbouriech <gauvain@govanify.com>
parents: 684
diff changeset
297 112 => fn SetElapsedTime(frame: i32),
650
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
298 113 => fn SetLowLifeTrigger(trigger: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
299 114 => fn SetLowLifeCallback(sub: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
300 115 => fn SetTimeout(timeout: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
301 116 => fn SetTimeoutCallback(sub: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
302 117 => fn SetTouchable(touchable: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
303 118 => fn DropParticles(anim: i32, number: u32, r: u8, g: u8, b: u8, UNUSED: u8),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
304 119 => fn DropBonus(number: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
305 120 => fn SetAutomaticOrientation(automatic: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
306 121 => fn CallSpecialFunction(function: i32, argument: i32),
676
826c16e5f909 Rename unknown ECL instructions to better recognise them.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 674
diff changeset
307 // TODO: Found in stage 3 then 5 onward.
826c16e5f909 Rename unknown ECL instructions to better recognise them.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 674
diff changeset
308 122 => fn UNK_ins122(TODO: i32),
650
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
309 123 => fn SkipFrames(frames: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
310 124 => fn DropSpecificBonus(type_: i32),
676
826c16e5f909 Rename unknown ECL instructions to better recognise them.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 674
diff changeset
311 // TODO: Found in stage 3.
826c16e5f909 Rename unknown ECL instructions to better recognise them.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 674
diff changeset
312 125 => fn UNK_ins125(),
650
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
313 126 => fn SetRemainingLives(lives: i32),
676
826c16e5f909 Rename unknown ECL instructions to better recognise them.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 674
diff changeset
314 // TODO: Found in stage 4.
826c16e5f909 Rename unknown ECL instructions to better recognise them.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 674
diff changeset
315 127 => fn UNK_ins127(TODO: i32),
650
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
316 128 => fn Interrupt(event: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
317 129 => 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
318 // TODO: Found in stage 4.
826c16e5f909 Rename unknown ECL instructions to better recognise them.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 674
diff changeset
319 130 => fn UNK_ins130(TODO: i32),
650
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
320 131 => 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
321 132 => fn SetInvisible(invisible: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
322 133 => fn CopyCallbacks(),
676
826c16e5f909 Rename unknown ECL instructions to better recognise them.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 674
diff changeset
323 // TODO: Found in stage 4.
826c16e5f909 Rename unknown ECL instructions to better recognise them.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 674
diff changeset
324 134 => fn UNK_ins134(),
650
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
325 135 => fn EnableSpellcardBonus(UNKNOW: i32),
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
326 }
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
327
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
328 fn parse_ecl(input: &[u8]) -> IResult<&[u8], Ecl> {
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
329 let i = input;
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
330
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
331 let (i, sub_count) = le_u16(i)?;
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
332 let (mut i, main_count) = le_u16(i)?;
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
333 assert_eq!(main_count, 0);
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
334
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
335 let mut main_offsets = Vec::new();
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
336 for _ in 0..3 {
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
337 let (i2, offset) = le_u32(i)?;
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
338 main_offsets.push(offset as usize);
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
339 i = i2;
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
340 }
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
341
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
342 let mut sub_offsets = Vec::new();
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
343 for _ in 0..sub_count {
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
344 let (i2, offset) = le_u32(i)?;
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
345 sub_offsets.push(offset as usize);
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
346 i = i2;
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
347 }
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
348
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
349 // Read all subs.
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
350 let mut subs = Vec::new();
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
351 for offset in sub_offsets {
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
352 let mut i = &input[offset..];
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
353 let mut instructions = Vec::new();
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
354 loop {
660
31fc0d881105 Make ecl_vm compile, and use it in eclrenderer (doesn’t render yet).
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 651
diff changeset
355 let (i2, time) = le_i32(i)?;
650
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
356 let (i2, opcode) = le_u16(i2)?;
660
31fc0d881105 Make ecl_vm compile, and use it in eclrenderer (doesn’t render yet).
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 651
diff changeset
357 if time == -1 || opcode == 0xffff {
650
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
358 break;
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
359 }
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
360
f6bfc9e6dab0 Add an ECL parser.
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parents:
diff changeset
361 let (i2, size) = le_u16(i2)?;
f6bfc9e6dab0 Add an ECL parser.
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parents:
diff changeset
362 let (i2, rank_mask) = le_u16(i2)?;
664
f08e8e3c6196 Use bitflags for the rank, instead of an u16.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 661
diff changeset
363 let rank_mask = Rank::from_bits(rank_mask).unwrap();
650
f6bfc9e6dab0 Add an ECL parser.
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parents:
diff changeset
364 let (i2, param_mask) = le_u16(i2)?;
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
365 // FIXME: this - 12 can trigger a panic, fuzz it!
f6bfc9e6dab0 Add an ECL parser.
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parents:
diff changeset
366 let data = &i2[..size as usize - 12];
f6bfc9e6dab0 Add an ECL parser.
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parents:
diff changeset
367 let (data, instr) = parse_sub_instruction_args(data, opcode)?;
f6bfc9e6dab0 Add an ECL parser.
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parents:
diff changeset
368 assert_eq!(data.len(), 0);
f6bfc9e6dab0 Add an ECL parser.
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parents:
diff changeset
369 instructions.push(CallSub { time, rank_mask, param_mask, instr });
f6bfc9e6dab0 Add an ECL parser.
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parents:
diff changeset
370 i = &i[size as usize..];
f6bfc9e6dab0 Add an ECL parser.
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parents:
diff changeset
371 }
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
372 subs.push(Sub { instructions });
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
373 }
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
374
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
375 // Read all mains (always a single one atm).
f6bfc9e6dab0 Add an ECL parser.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
376 let mut mains = Vec::new();
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377 for offset in main_offsets {
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378 if offset == 0 {
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379 break;
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380 }
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381
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382 let mut i = &input[offset..];
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383 let mut instructions = Vec::new();
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384 loop {
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385 let (i2, time) = le_u16(i)?;
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386 let (i2, sub) = le_u16(i2)?;
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387 if time == 0xffff && sub == 4 {
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388 break;
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389 }
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390
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391 let (i2, opcode) = le_u16(i2)?;
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392 let (i2, size) = le_u16(i2)?;
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393 // FIXME: this - 8 can trigger a panic, fuzz it!
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394 let data = &i2[..size as usize - 8];
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395 let (data, instr) = parse_main_instruction_args(data, opcode)?;
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396 assert_eq!(data.len(), 0);
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397 instructions.push(CallMain { time, sub, instr });
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398 i = &i[size as usize..];
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399 }
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400 mains.push(Main { instructions });
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401 }
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402
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403 let ecl = Ecl {
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404 subs,
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405 mains,
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406 };
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407 Ok((b"", ecl))
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408 }
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409
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410 #[cfg(test)]
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411 mod tests {
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412 use super::*;
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413 use std::io::{self, Read};
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414 use std::fs::File;
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415
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416 #[test]
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417 fn ecl() {
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418 let file = File::open("EoSD/ST/ecldata1.ecl").unwrap();
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419 let mut file = io::BufReader::new(file);
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420 let mut buf = vec![];
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421 file.read_to_end(&mut buf).unwrap();
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422 let (_, ecl) = Ecl::from_slice(&buf).unwrap();
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423 assert_eq!(ecl.subs.len(), 24);
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424 assert_eq!(ecl.mains.len(), 1);
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425 }
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426 }