1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
#![deny(future_incompatible)]
#![deny(nonstandard_style)]
#![deny(rust_2018_idioms)]
#![deny(unsafe_code)]
#![warn(missing_docs)]
#![warn(unused)]
mod ai;
mod bitmap;
pub mod convert;
mod format;
mod header;
mod map;
mod player;
mod triggers;
mod types;
mod util;
mod victory;
use format::SCXFormat;
use std::io::{self, Read, Write};
pub use format::ScenarioObject;
pub use header::{DLCOptions, SCXHeader};
pub use map::{Map, Tile};
pub use triggers::{Trigger, TriggerCondition, TriggerEffect, TriggerSystem};
pub use types::*;
pub use util::{DecodeStringError, EncodeStringError};
#[derive(Debug)]
pub enum Error {
MissingFileNameError,
UnsupportedFormatVersionError(SCXVersion),
TooManyDisabledTechsError(i32),
CannotDisableTechsError,
CannotDisableUnitsError,
TooManyDisabledBuildingsError(i32, i32),
CannotDisableBuildingsError,
DecodeStringError(DecodeStringError),
EncodeStringError(EncodeStringError),
ParseDiplomaticStanceError(ParseDiplomaticStanceError),
ParseDataSetError(ParseDataSetError),
ParseDLCPackageError(ParseDLCPackageError),
ParseStartingAgeError(ParseStartingAgeError),
IoError(io::Error),
}
impl From<io::Error> for Error {
fn from(err: io::Error) -> Error {
Error::IoError(err)
}
}
impl From<util::ReadStringError> for Error {
fn from(err: util::ReadStringError) -> Error {
match err {
util::ReadStringError::IoError(err) => Error::IoError(err),
util::ReadStringError::DecodeStringError(err) => Error::DecodeStringError(err),
}
}
}
impl From<util::WriteStringError> for Error {
fn from(err: util::WriteStringError) -> Error {
match err {
util::WriteStringError::IoError(err) => Error::IoError(err),
util::WriteStringError::EncodeStringError(err) => Error::EncodeStringError(err),
}
}
}
macro_rules! error_impl_from {
($from:ident) => {
impl From<$from> for Error {
fn from(err: $from) -> Error {
Error::$from(err)
}
}
};
}
error_impl_from!(ParseDiplomaticStanceError);
error_impl_from!(ParseDataSetError);
error_impl_from!(ParseDLCPackageError);
error_impl_from!(ParseStartingAgeError);
impl std::fmt::Display for Error {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
Error::MissingFileNameError => write!(f, "must have a file name"),
Error::UnsupportedFormatVersionError(version) => {
write!(f, "unsupported format version {:?}", version)
}
Error::TooManyDisabledTechsError(n) => write!(
f,
"too many disabled techs: got {}, but requested version supports up to 20",
n
),
Error::TooManyDisabledBuildingsError(n, max) => write!(
f,
"too many disabled buildings: got {}, but requested version supports up to {}",
n, max
),
Error::CannotDisableTechsError => {
write!(f, "requested version does not support disabling techs")
}
Error::CannotDisableUnitsError => {
write!(f, "requested version does not support disabling units")
}
Error::CannotDisableBuildingsError => {
write!(f, "requested version does not support disabling buildings")
}
Error::IoError(err) => write!(f, "{}", err),
Error::DecodeStringError(err) => write!(f, "{}", err),
Error::EncodeStringError(err) => write!(f, "{}", err),
Error::ParseDiplomaticStanceError(err) => write!(f, "{}", err),
Error::ParseDataSetError(err) => write!(f, "{}", err),
Error::ParseDLCPackageError(err) => write!(f, "{}", err),
Error::ParseStartingAgeError(err) => write!(f, "{}", err),
}
}
}
impl std::error::Error for Error {}
pub type Result<T> = std::result::Result<T, Error>;
pub struct Scenario {
format: SCXFormat,
version: VersionBundle,
}
impl Scenario {
pub fn from<R: Read>(input: &mut R) -> Result<Self> {
let format = SCXFormat::load_scenario(input)?;
let version = format.version();
Ok(Self { format, version })
}
pub fn write_to<W: Write>(&self, output: &mut W) -> Result<()> {
self.format.write_to(output, self.version())
}
pub fn write_to_version<W: Write>(
&self,
output: &mut W,
version: &VersionBundle,
) -> Result<()> {
self.format.write_to(output, version)
}
pub fn format_version(&self) -> SCXVersion {
self.version().format
}
pub fn header_version(&self) -> u32 {
self.version().header
}
pub fn data_version(&self) -> f32 {
self.version().data
}
pub fn header(&self) -> &SCXHeader {
&self.format.header
}
pub fn description(&self) -> Option<&str> {
self.format.tribe_scen.description()
}
pub fn filename(&self) -> &str {
&self.format.tribe_scen.base.name
}
pub fn version(&self) -> &VersionBundle {
&self.version
}
pub fn requires_dlc(&self, dlc: DLCPackage) -> bool {
match &self.header().dlc_options {
Some(options) => options.dependencies.iter().any(|dep| *dep == dlc),
None => false,
}
}
pub fn objects(&self) -> impl Iterator<Item = &ScenarioObject> {
self.format
.player_objects
.iter()
.map(|list| list.iter())
.flatten()
}
pub fn objects_mut(&mut self) -> impl Iterator<Item = &mut ScenarioObject> {
self.format
.player_objects
.iter_mut()
.map(|list| list.iter_mut())
.flatten()
}
pub fn map(&self) -> &Map {
&self.format.map
}
pub fn map_mut(&mut self) -> &mut Map {
&mut self.format.map
}
pub fn triggers(&self) -> Option<&TriggerSystem> {
self.format.triggers.as_ref()
}
pub fn triggers_mut(&mut self) -> Option<&mut TriggerSystem> {
self.format.triggers.as_mut()
}
}