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use crate::demo::gamevent::GameEventValueType;
use crate::demo::message::gameevent::GameEventTypeId;
use crate::demo::message::packetentities::EntityId;
use crate::demo::packet::datatable::{ClassId, SendTableName};
use bitbuffer::{BitError, FromUtf8Error};
use err_derive::Error;
#[derive(Debug, Error)]
pub enum ParseError {
#[error(display = "Error while reading bits from stream: {}", _0)]
ReadError(#[error(source, no_from)] BitError),
#[error(display = "Malformed utf8 while reading string")]
MalformedUTF8(#[error(source)] FromUtf8Error),
#[error(display = "Unexpected type of compressed data: {}", _0)]
UnexpectedCompressionType(String),
#[error(
display = "Error while decompressing SNAP compressed string table: {}",
_0
)]
SnapError(#[error(source)] snap::Error),
#[error(
display = "Unexpected size after decompressing SNAP data, got {} bytes, expected {} bytes",
size,
expected
)]
UnexpectedDecompressedSize {
expected: u32,
size: u32,
},
#[error(display = "Malformed demo file: {}", _0)]
InvalidDemo(&'static str),
#[error(display = "Packet identifier is invalid: {}", _0)]
InvalidPacketType(u8),
#[error(display = "Message identifier is invalid: {}", _0)]
InvalidMessageType(u8),
#[error(display = "Invalid SendProp type: {}", _0)]
InvalidSendPropType(u8),
#[error(display = "Invalid SendProp: {}", _0)]
InvalidSendProp(#[error(source)] MalformedSendPropDefinitionError),
#[error(
display = "Unexpected amount of data left after parsing an object, {} bits remaining",
_0
)]
DataRemaining(usize),
#[error(display = "String table with index {} not found", _0)]
StringTableNotFound(u8),
#[error(display = "A malformed game event was read: {}", _0)]
MalformedGameEvent(#[error(source)] GameEventError),
#[error(
display = "A read game event doesn't contain the expected values, expected type {} for {} event, got type {}",
expected_type,
name,
found_type
)]
InvalidGameEvent {
expected_type: GameEventValueType,
name: &'static str,
found_type: GameEventValueType,
},
#[error(display = "An entity with an unknown server class({}) was read", _0)]
UnknownServerClass(ClassId),
#[error(display = "Unknown send table: {}", _0)]
UnknownSendTable(SendTableName),
#[error(
display = "Property index out of bounds, got {} but only {} props exist",
_0,
_1
)]
PropIndexOutOfBounds { index: i32, prop_count: usize },
#[error(display = "An attempt was made to update an unknown entity: {}", _0)]
UnknownEntity(EntityId),
}
#[derive(Debug, Error)]
pub enum MalformedSendPropDefinitionError {
#[error(display = "Float property without defined size")]
UnsizedFloat,
#[error(display = "Array property without defined size")]
UnsizedArray,
#[error(display = "Array property without defined inner type")]
UntypedArray,
#[error(display = "Property used that can't be read")]
InvalidPropType,
#[error(display = "Array contents can't have the 'ChangesOften' flag")]
ArrayChangesOften,
#[error(display = "SendProp value out of range")]
OutOfRange,
}
#[derive(Debug, Error)]
pub enum GameEventError {
#[error(display = "Incorrect number of values")]
IncorrectValueCount,
#[error(display = "Event with 'none' value")]
NoneValue,
#[error(display = "Unknown type: {}", _0)]
UnknownType(GameEventTypeId),
}
impl From<BitError> for ParseError {
fn from(err: BitError) -> ParseError {
match err {
BitError::Utf8Error(utf8_error) => ParseError::MalformedUTF8(utf8_error),
_ => ParseError::ReadError(err),
}
}
}
pub type Result<T> = std::result::Result<T, ParseError>;