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- use chrono::{naive::NaiveDate, Datelike};
- use std::io::{Read, Write};
-
- use crate::techblox::{EntityHeader, BlockGroupEntity, parse_i64, parse_u32, Parsable, SerializedEntityDescriptor,
- SerializedFlyCamEntity, SerializedPhysicsCameraEntity};
- use crate::techblox::blocks::{lookup_hashname, SerializedWireEntity, SerializedGlobalWireSettingsEntity};
-
- /// A collection of cubes and other data from a GameSave.techblox file
- //#[derive(Clone)]
- pub struct GameSave {
- /// Game version that this save was created by.
- /// This may affect how the rest of the save file was parsed.
- pub version: NaiveDate,
-
- /// Time when file was saved, corresponding to ticks since 0 AD
- /// https://docs.microsoft.com/en-us/dotnet/api/system.datetime.ticks?view=netframework-4.7.2
- /// Not used for deserialization so not required to be sensible.
- pub ticks: i64,
-
- /// Amount of cubes present in the save data, as claimed by the file header.
- pub cube_len: u32,
-
- /// Maximum block entity identifier in the game save.
- /// Not used for deserialization so not required to be correct.
- pub max_entity_id: u32,
-
- /// Amount of block groups, as claimed by the file header.
- pub group_len: u32,
-
- /// Entity group descriptors for block group entities.
- pub group_headers: Vec<EntityHeader>,
-
- /// Block group entities.
- pub cube_groups: Vec<BlockGroupEntity>,
-
- /// Entity group descriptors for block entities.
- pub cube_headers: Vec<EntityHeader>,
-
- /// Blocks
- pub cube_entities: Vec<Box<dyn SerializedEntityDescriptor>>,
-
- /// Amount of wires in the save data, as claimed by the file.
- pub wire_len: u32,
-
- /// Entity group descriptor for wire entities.
- pub wire_headers: Vec<EntityHeader>,
-
- /// Wires
- pub wire_entities: Vec<SerializedWireEntity>,
-
- /// Entity group descriptor for wire settings
- pub wire_settings_header: EntityHeader,
-
- /// Wire settings
- pub wire_settings_entity: SerializedGlobalWireSettingsEntity,
-
- /// Entity group descriptor for player fly camera
- pub flycam_header: EntityHeader,
-
- /// Player edit mode fly camera
- pub flycam_entity: SerializedFlyCamEntity,
-
- /// Entity group descriptor for player simulation mode camera
- pub phycam_header: EntityHeader,
-
- /// Player simulation mode camera
- pub phycam_entity: SerializedPhysicsCameraEntity,
- }
-
- impl Parsable for GameSave {
- /// Process a Techblox save file from raw bytes.
- fn parse(data: &mut dyn Read) -> std::io::Result<Self> {
- // parse version
- let year = parse_u32(data)?; // parsed as i32 in-game for some reason
- let month = parse_u32(data)?;
- let day = parse_u32(data)?;
- let date = NaiveDate::from_ymd(year as i32, month, day);
- let ticks = parse_i64(data)?; // unused
- let cube_count = parse_u32(data)?; // parsed as i32 in-game for some reason
- let max_e_id = parse_u32(data)?; // unused
- let group_count = parse_u32(data)?; // parsed as i32 in-game for some reason
- // parse block groups
- let mut groups_h = Vec::<EntityHeader>::with_capacity(group_count as usize);
- let mut groups_e = Vec::<BlockGroupEntity>::with_capacity(group_count as usize);
- for _i in 0..group_count {
- groups_h.push(EntityHeader::parse(data)?);
- groups_e.push(BlockGroupEntity::parse(data)?);
- }
-
- // parse cube data
- let mut cubes_h = Vec::<EntityHeader>::with_capacity(cube_count as usize);
- let mut cubes_e = Vec::<Box<dyn SerializedEntityDescriptor>>::with_capacity(cube_count as usize);
- for _i in 0..cube_count {
- let header = EntityHeader::parse(data)?;
- let hash = header.hash;
- #[cfg(debug_assertions)]
- println!("Handling block {} (hash: {} id:{}/{} components: {})", cubes_h.len(), hash, header.entity_id, header.group_id, header.component_count);
- cubes_h.push(header);
- cubes_e.push(lookup_hashname(hash, data)?);
- }
-
- // parse wire data
- let wire_count = parse_u32(data)?;
- let mut wires_h = Vec::<EntityHeader>::with_capacity(wire_count as usize);
- let mut wires_e = Vec::<SerializedWireEntity>::with_capacity(wire_count as usize);
- for _i in 0..wire_count {
- wires_h.push(EntityHeader::parse(data)?);
- wires_e.push(SerializedWireEntity::parse(data)?);
- }
-
- // parse global wire settings
- let wire_settings_h = EntityHeader::parse(data)?;
- let wire_settings_e = SerializedGlobalWireSettingsEntity::parse(data)?;
-
- // parse player cameras
- let flycam_h = EntityHeader::parse(data)?;
- let flycam_e = SerializedFlyCamEntity::parse(data)?;
-
- let phycam_h = EntityHeader::parse(data)?;
- let phycam_e = SerializedPhysicsCameraEntity::parse(data)?;
-
- // build struct
- Ok(Self {
- version: date,
- ticks: ticks,
- cube_len: cube_count,
- max_entity_id: max_e_id,
- group_len: group_count,
- group_headers: groups_h,
- cube_groups: groups_e,
- cube_headers: cubes_h,
- cube_entities: cubes_e,
- wire_len: wire_count,
- wire_headers: wires_h,
- wire_entities: wires_e,
- wire_settings_header: wire_settings_h,
- wire_settings_entity: wire_settings_e,
- flycam_header: flycam_h,
- flycam_entity: flycam_e,
- phycam_header: phycam_h,
- phycam_entity: phycam_e,
- })
- }
-
- fn dump(&self, writer: &mut dyn Write) -> std::io::Result<usize> {
- let mut write_count: usize = 0;
- // version
- write_count += self.version.year().dump(writer)?;
- write_count += self.version.month().dump(writer)?;
- write_count += self.version.day().dump(writer)?;
- // unused separator \/
- write_count += self.ticks.dump(writer)?;
- write_count += self.cube_len.dump(writer)?;
- // unused separator \/
- write_count += self.max_entity_id.dump(writer)?;
- write_count += self.group_len.dump(writer)?;
-
- // dump block groups
- for i in 0..self.group_len as usize {
- write_count += self.group_headers[i].dump(writer)?;
- write_count += self.cube_groups[i].dump(writer)?;
- }
-
- // dump cube data
- for i in 0..self.cube_len as usize {
- write_count += self.cube_headers[i].dump(writer)?;
- write_count += self.cube_entities[i].dump(writer)?;
- }
-
- // dump wire data
- write_count += self.wire_len.dump(writer)?;
- for i in 0..self.wire_len as usize {
- write_count += self.wire_headers[i].dump(writer)?;
- write_count += self.wire_entities[i].dump(writer)?;
- }
-
- // dump global wire settings
- write_count += self.wire_settings_header.dump(writer)?;
- write_count += self.wire_settings_entity.dump(writer)?;
-
- // dump player cameras
- write_count += self.flycam_header.dump(writer)?;
- write_count += self.flycam_entity.dump(writer)?;
-
- write_count += self.phycam_header.dump(writer)?;
- write_count += self.phycam_entity.dump(writer)?;
- Ok(write_count)
- }
- }
-
- impl std::string::ToString for GameSave {
- fn to_string(&self) -> String {
- format!("{}g {}c {}w (v{})", self.group_len, self.cube_len, self.wire_len, self.version)
- }
- }
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