diff --git a/lib/roblox_bot_file/.gitignore b/lib/roblox_bot_file/.gitignore
new file mode 100644
index 0000000..51124b9
--- /dev/null
+++ b/lib/roblox_bot_file/.gitignore
@@ -0,0 +1,2 @@
+/target
+/files
diff --git a/lib/roblox_bot_file/Cargo.lock b/lib/roblox_bot_file/Cargo.lock
new file mode 100644
index 0000000..42ad11c
--- /dev/null
+++ b/lib/roblox_bot_file/Cargo.lock
@@ -0,0 +1,100 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "array-init"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3d62b7694a562cdf5a74227903507c56ab2cc8bdd1f781ed5cb4cf9c9f810bfc"
+
+[[package]]
+name = "binrw"
+version = "0.14.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7d4bca59c20d6f40c2cc0802afbe1e788b89096f61bdf7aeea6bf00f10c2909b"
+dependencies = [
+ "array-init",
+ "binrw_derive",
+ "bytemuck",
+]
+
+[[package]]
+name = "binrw_derive"
+version = "0.14.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d8ba42866ce5bced2645bfa15e97eef2c62d2bdb530510538de8dd3d04efff3c"
+dependencies = [
+ "either",
+ "owo-colors",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "bitflags"
+version = "2.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
+
+[[package]]
+name = "bytemuck"
+version = "1.21.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ef657dfab802224e671f5818e9a4935f9b1957ed18e58292690cc39e7a4092a3"
+
+[[package]]
+name = "either"
+version = "1.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "60b1af1c220855b6ceac025d3f6ecdd2b7c4894bfe9cd9bda4fbb4bc7c0d4cf0"
+
+[[package]]
+name = "owo-colors"
+version = "3.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c1b04fb49957986fdce4d6ee7a65027d55d4b6d2265e5848bbb507b58ccfdb6f"
+
+[[package]]
+name = "proc-macro2"
+version = "1.0.92"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "37d3544b3f2748c54e147655edb5025752e2303145b5aefb3c3ea2c78b973bb0"
+dependencies = [
+ "unicode-ident",
+]
+
+[[package]]
+name = "quote"
+version = "1.0.38"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0e4dccaaaf89514f546c693ddc140f729f958c247918a13380cccc6078391acc"
+dependencies = [
+ "proc-macro2",
+]
+
+[[package]]
+name = "strafesnet_roblox_bot_file"
+version = "0.2.0"
+dependencies = [
+ "binrw",
+ "bitflags",
+]
+
+[[package]]
+name = "syn"
+version = "1.0.109"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
+name = "unicode-ident"
+version = "1.0.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "adb9e6ca4f869e1180728b7950e35922a7fc6397f7b641499e8f3ef06e50dc83"
diff --git a/lib/roblox_bot_file/Cargo.toml b/lib/roblox_bot_file/Cargo.toml
new file mode 100644
index 0000000..90803cf
--- /dev/null
+++ b/lib/roblox_bot_file/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "strafesnet_roblox_bot_file"
+version = "0.2.0"
+edition = "2021"
+
+[dependencies]
+binrw = "0.14.1"
+bitflags = "2.6.0"
diff --git a/lib/roblox_bot_file/LICENSE-APACHE b/lib/roblox_bot_file/LICENSE-APACHE
new file mode 100644
index 0000000..a7e77cb
--- /dev/null
+++ b/lib/roblox_bot_file/LICENSE-APACHE
@@ -0,0 +1,176 @@
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+1. Definitions.
+
+ "License" shall mean the terms and conditions for use, reproduction,
+ and distribution as defined by Sections 1 through 9 of this document.
+
+ "Licensor" shall mean the copyright owner or entity authorized by
+ the copyright owner that is granting the License.
+
+ "Legal Entity" shall mean the union of the acting entity and all
+ other entities that control, are controlled by, or are under common
+ control with that entity. For the purposes of this definition,
+ "control" means (i) the power, direct or indirect, to cause the
+ direction or management of such entity, whether by contract or
+ otherwise, or (ii) ownership of fifty percent (50%) or more of the
+ outstanding shares, or (iii) beneficial ownership of such entity.
+
+ "You" (or "Your") shall mean an individual or Legal Entity
+ exercising permissions granted by this License.
+
+ "Source" form shall mean the preferred form for making modifications,
+ including but not limited to software source code, documentation
+ source, and configuration files.
+
+ "Object" form shall mean any form resulting from mechanical
+ transformation or translation of a Source form, including but
+ not limited to compiled object code, generated documentation,
+ and conversions to other media types.
+
+ "Work" shall mean the work of authorship, whether in Source or
+ Object form, made available under the License, as indicated by a
+ copyright notice that is included in or attached to the work
+ (an example is provided in the Appendix below).
+
+ "Derivative Works" shall mean any work, whether in Source or Object
+ form, that is based on (or derived from) the Work and for which the
+ editorial revisions, annotations, elaborations, or other modifications
+ represent, as a whole, an original work of authorship. For the purposes
+ of this License, Derivative Works shall not include works that remain
+ separable from, or merely link (or bind by name) to the interfaces of,
+ the Work and Derivative Works thereof.
+
+ "Contribution" shall mean any work of authorship, including
+ the original version of the Work and any modifications or additions
+ to that Work or Derivative Works thereof, that is intentionally
+ submitted to Licensor for inclusion in the Work by the copyright owner
+ or by an individual or Legal Entity authorized to submit on behalf of
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+ means any form of electronic, verbal, or written communication sent
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+ communication on electronic mailing lists, source code control systems,
+ and issue tracking systems that are managed by, or on behalf of, the
+ Licensor for the purpose of discussing and improving the Work, but
+ excluding communication that is conspicuously marked or otherwise
+ designated in writing by the copyright owner as "Not a Contribution."
+
+ "Contributor" shall mean Licensor and any individual or Legal Entity
+ on behalf of whom a Contribution has been received by Licensor and
+ subsequently incorporated within the Work.
+
+2. Grant of Copyright License. Subject to the terms and conditions of
+ this License, each Contributor hereby grants to You a perpetual,
+ worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+ copyright license to reproduce, prepare Derivative Works of,
+ publicly display, publicly perform, sublicense, and distribute the
+ Work and such Derivative Works in Source or Object form.
+
+3. Grant of Patent License. Subject to the terms and conditions of
+ this License, each Contributor hereby grants to You a perpetual,
+ worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+ (except as stated in this section) patent license to make, have made,
+ use, offer to sell, sell, import, and otherwise transfer the Work,
+ where such license applies only to those patent claims licensable
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+ Contribution(s) alone or by combination of their Contribution(s)
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+ institute patent litigation against any entity (including a
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+ or a Contribution incorporated within the Work constitutes direct
+ or contributory patent infringement, then any patent licenses
+ granted to You under this License for that Work shall terminate
+ as of the date such litigation is filed.
+
+4. Redistribution. You may reproduce and distribute copies of the
+ Work or Derivative Works thereof in any medium, with or without
+ modifications, and in Source or Object form, provided that You
+ meet the following conditions:
+
+ (a) You must give any other recipients of the Work or
+ Derivative Works a copy of this License; and
+
+ (b) You must cause any modified files to carry prominent notices
+ stating that You changed the files; and
+
+ (c) You must retain, in the Source form of any Derivative Works
+ that You distribute, all copyright, patent, trademark, and
+ attribution notices from the Source form of the Work,
+ excluding those notices that do not pertain to any part of
+ the Derivative Works; and
+
+ (d) If the Work includes a "NOTICE" text file as part of its
+ distribution, then any Derivative Works that You distribute must
+ include a readable copy of the attribution notices contained
+ within such NOTICE file, excluding those notices that do not
+ pertain to any part of the Derivative Works, in at least one
+ of the following places: within a NOTICE text file distributed
+ as part of the Derivative Works; within the Source form or
+ documentation, if provided along with the Derivative Works; or,
+ within a display generated by the Derivative Works, if and
+ wherever such third-party notices normally appear. The contents
+ of the NOTICE file are for informational purposes only and
+ do not modify the License. You may add Your own attribution
+ notices within Derivative Works that You distribute, alongside
+ or as an addendum to the NOTICE text from the Work, provided
+ that such additional attribution notices cannot be construed
+ as modifying the License.
+
+ You may add Your own copyright statement to Your modifications and
+ may provide additional or different license terms and conditions
+ for use, reproduction, or distribution of Your modifications, or
+ for any such Derivative Works as a whole, provided Your use,
+ reproduction, and distribution of the Work otherwise complies with
+ the conditions stated in this License.
+
+5. Submission of Contributions. Unless You explicitly state otherwise,
+ any Contribution intentionally submitted for inclusion in the Work
+ by You to the Licensor shall be under the terms and conditions of
+ this License, without any additional terms or conditions.
+ Notwithstanding the above, nothing herein shall supersede or modify
+ the terms of any separate license agreement you may have executed
+ with Licensor regarding such Contributions.
+
+6. Trademarks. This License does not grant permission to use the trade
+ names, trademarks, service marks, or product names of the Licensor,
+ except as required for reasonable and customary use in describing the
+ origin of the Work and reproducing the content of the NOTICE file.
+
+7. Disclaimer of Warranty. Unless required by applicable law or
+ agreed to in writing, Licensor provides the Work (and each
+ Contributor provides its Contributions) on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ implied, including, without limitation, any warranties or conditions
+ of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+ PARTICULAR PURPOSE. You are solely responsible for determining the
+ appropriateness of using or redistributing the Work and assume any
+ risks associated with Your exercise of permissions under this License.
+
+8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
+ unless required by applicable law (such as deliberate and grossly
+ negligent acts) or agreed to in writing, shall any Contributor be
+ liable to You for damages, including any direct, indirect, special,
+ incidental, or consequential damages of any character arising as a
+ result of this License or out of the use or inability to use the
+ Work (including but not limited to damages for loss of goodwill,
+ work stoppage, computer failure or malfunction, or any and all
+ other commercial damages or losses), even if such Contributor
+ has been advised of the possibility of such damages.
+
+9. Accepting Warranty or Additional Liability. While redistributing
+ the Work or Derivative Works thereof, You may choose to offer,
+ and charge a fee for, acceptance of support, warranty, indemnity,
+ or other liability obligations and/or rights consistent with this
+ License. However, in accepting such obligations, You may act only
+ on Your own behalf and on Your sole responsibility, not on behalf
+ of any other Contributor, and only if You agree to indemnify,
+ defend, and hold each Contributor harmless for any liability
+ incurred by, or claims asserted against, such Contributor by reason
+ of your accepting any such warranty or additional liability.
+
+END OF TERMS AND CONDITIONS
\ No newline at end of file
diff --git a/lib/roblox_bot_file/LICENSE-MIT b/lib/roblox_bot_file/LICENSE-MIT
new file mode 100644
index 0000000..468cd79
--- /dev/null
+++ b/lib/roblox_bot_file/LICENSE-MIT
@@ -0,0 +1,23 @@
+Permission is hereby granted, free of charge, to any
+person obtaining a copy of this software and associated
+documentation files (the "Software"), to deal in the
+Software without restriction, including without
+limitation the rights to use, copy, modify, merge,
+publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software
+is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice
+shall be included in all copies or substantial portions
+of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
+ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
+TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
+PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
+SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
+IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.
\ No newline at end of file
diff --git a/lib/roblox_bot_file/README.md b/lib/roblox_bot_file/README.md
new file mode 100644
index 0000000..ebdf7a7
--- /dev/null
+++ b/lib/roblox_bot_file/README.md
@@ -0,0 +1,46 @@
+Roblox Bhop/Surf Bot File Format
+================================
+
+## Example
+
+```rust
+use strafesnet_roblox_bot_file::{File,TimedBlockId};
+
+let file=std::fs::File::open("bot_file")?;
+let input=std::io::BufReader::new(file);
+let mut bot_file=File::new(input)?;
+
+// read the whole file
+let block=bot_file.read_all()?;
+
+// or do data streaming block by block
+for &TimedBlockId{time,block_id} in &bot_file.header.offline_blocks_timeline{
+ // header is immutably borrowed
+ // while data is mutably borrowed
+ let block_info=bot_file.header.block_info(block_id)?;
+ let block=bot_file.data.read_block_info(block_info)?;
+ // offline blocks include the following event types:
+ // World, Gravity, Run, Camera, Setting
+}
+for &TimedBlockId{time,block_id} in &bot_file.header.realtime_blocks_timeline{
+ let block_info=bot_file.header.block_info(block_id)?;
+ let block=bot_file.data.read_block_info(block_info)?;
+ // realtime blocks include the following event types:
+ // Input, Output, Sound
+}
+```
+
+#### License
+
+<sup>
+Licensed under either of <a href="LICENSE-APACHE">Apache License, Version
+2.0</a> or <a href="LICENSE-MIT">MIT license</a> at your option.
+</sup>
+
+<br>
+
+<sub>
+Unless you explicitly state otherwise, any contribution intentionally submitted
+for inclusion in this crate by you, as defined in the Apache-2.0 license, shall
+be dual licensed as above, without any additional terms or conditions.
+</sub>
diff --git a/lib/roblox_bot_file/src/lib.rs b/lib/roblox_bot_file/src/lib.rs
new file mode 100644
index 0000000..cc08a0d
--- /dev/null
+++ b/lib/roblox_bot_file/src/lib.rs
@@ -0,0 +1,4 @@
+pub mod v0;
+
+#[cfg(test)]
+mod tests;
diff --git a/lib/roblox_bot_file/src/tests.rs b/lib/roblox_bot_file/src/tests.rs
new file mode 100644
index 0000000..d1d3f84
--- /dev/null
+++ b/lib/roblox_bot_file/src/tests.rs
@@ -0,0 +1,41 @@
+use crate::v0::TimedBlockId;
+
+#[test]
+fn _1()->Result<(),crate::v0::Error>{
+ let file=std::fs::File::open("files/bhop_marble_7cf33a64-7120-4514-b9fa-4fe29d9523d").unwrap();
+ let input=std::io::BufReader::new(file);
+ let mut bot_file=crate::v0::File::new(input).unwrap();
+ println!("header={:?}",bot_file.header);
+ for &TimedBlockId{time,block_id} in &bot_file.header.offline_blocks_timeline{
+ println!("offline time={} block_id={:?}",time,block_id);
+ let block_info=bot_file.header.block_info(block_id)?;
+ let block=bot_file.data.read_block_info(block_info)?;
+ // offline blocks include the following event types:
+ // World, Gravity, Run, Camera, Setting
+ }
+ for &TimedBlockId{time,block_id} in &bot_file.header.realtime_blocks_timeline{
+ println!("realtime time={} block_id={:?}",time,block_id);
+ let block_info=bot_file.header.block_info(block_id)?;
+ let block=bot_file.data.read_block_info(block_info)?;
+ // realtime blocks include the following event types:
+ // Input, Output, Sound
+ }
+
+ Ok(())
+}
+
+#[test]
+fn _2()->Result<(),crate::v0::Error>{
+ let file=std::fs::File::open("files/bhop_marble_7cf33a64-7120-4514-b9fa-4fe29d9523d").unwrap();
+ let input=std::io::BufReader::new(file);
+
+ let t0=std::time::Instant::now();
+
+ let mut bot_file=crate::v0::File::new(input).unwrap();
+
+ let block=bot_file.read_all()?;
+
+ println!("{:?}",t0.elapsed());
+
+ Ok(())
+}
diff --git a/lib/roblox_bot_file/src/v0.rs b/lib/roblox_bot_file/src/v0.rs
new file mode 100644
index 0000000..f448d70
--- /dev/null
+++ b/lib/roblox_bot_file/src/v0.rs
@@ -0,0 +1,611 @@
+use binrw::{binrw,BinReaderExt,io::TakeSeekExt};
+
+// the bit chunks are deposited in reverse
+fn read_trey_float(bits:u32)->f32{
+ let s=bits&1;
+ let e=(bits>>1)&((1<<8)-1);
+ let m=(bits>>(1+8))&((1<<23)-1);
+ f32::from_bits(m|(e<<23)|(s<<31))
+}
+fn read_trey_double(bits:u64)->f64{
+ let s=bits&1;
+ let e=(bits>>1)&((1<<11)-1);
+ let m=(bits>>(1+11))&((1<<52)-1);
+ f64::from_bits(m|(e<<52)|(s<<63))
+}
+
+#[binrw]
+#[brw(little)]
+pub struct Vector2{
+ #[br(map=read_trey_float)]
+ pub x:f32,
+ #[br(map=read_trey_float)]
+ pub y:f32,
+}
+#[binrw]
+#[brw(little)]
+pub struct Vector3{
+ #[br(map=read_trey_float)]
+ pub x:f32,
+ #[br(map=read_trey_float)]
+ pub y:f32,
+ #[br(map=read_trey_float)]
+ pub z:f32,
+}
+
+bitflags::bitflags!{
+ pub struct GameControls:u32{
+ const MoveForward=1<<0;
+ const MoveLeft=1<<1;
+ const MoveBack=1<<2;
+ const MoveRight=1<<3;
+ const MoveUp=1<<4;
+ const MoveDown=1<<5;
+ const LookUp=1<<6;
+ const LookLeft=1<<7;
+ const LookDown=1<<8;
+ const LookRight=1<<9;
+ const Jump=1<<10;
+ const Crouch=1<<11;
+ const Sprint=1<<12;
+ const Zoom=1<<13;
+ const Use=1<<14;
+ const Action1=1<<15;
+ const Action2=1<<16;
+ }
+}
+#[derive(Debug)]
+pub struct GameControlsError;
+impl std::fmt::Display for GameControlsError{
+ fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
+ write!(f,"{self:?}")
+ }
+}
+impl std::error::Error for GameControlsError{}
+impl GameControls{
+ fn try_from_bits(bits:u32)->Result<Self,GameControlsError>{
+ Self::from_bits(bits).ok_or(GameControlsError)
+ }
+}
+
+// input
+#[binrw]
+#[brw(little)]
+pub struct InputEvent{
+ #[br(try_map=GameControls::try_from_bits)]
+ #[bw(map=GameControls::bits)]
+ pub game_controls:GameControls,
+ pub mouse_pos:Vector2,
+}
+#[binrw]
+#[brw(little)]
+pub struct TimedInputEvent{
+ #[br(map=read_trey_double)]
+ pub time:f64,
+ pub event:InputEvent,
+}
+
+// output
+bitflags::bitflags!{
+ pub struct TickInfo:u32{
+ const TickEnd=1<<0;
+ const Jump=1<<1;
+ const Strafe=1<<2;
+ const Touching=1<<3;
+ }
+}
+#[derive(Debug)]
+pub struct TickInfoError;
+impl std::fmt::Display for TickInfoError{
+ fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
+ write!(f,"{self:?}")
+ }
+}
+impl std::error::Error for TickInfoError{}
+impl TickInfo{
+ fn try_from_bits(bits:u32)->Result<Self,TickInfoError>{
+ Self::from_bits(bits).ok_or(TickInfoError)
+ }
+}
+#[binrw]
+#[brw(little)]
+pub struct OutputEvent{
+ #[br(try_map=TickInfo::try_from_bits)]
+ #[bw(map=TickInfo::bits)]
+ pub tick_info:TickInfo,
+ pub angles:Vector3,
+ pub position:Vector3,
+ pub velocity:Vector3,
+ pub acceleration:Vector3,
+}
+#[binrw]
+#[brw(little)]
+pub struct TimedOutputEvent{
+ #[br(map=read_trey_double)]
+ pub time:f64,
+ pub event:OutputEvent,
+}
+
+// sound
+#[binrw]
+#[brw(little)]
+pub enum SoundType{
+ #[brw(magic=101u32)]
+ TrackGround,
+ #[brw(magic=102u32)]
+ TrackLadder,
+ #[brw(magic=103u32)]
+ TrackWater,
+ #[brw(magic=104u32)]
+ TrackAir,
+ #[brw(magic=201u32)]
+ JumpGround,
+ #[brw(magic=202u32)]
+ JumpLadder,
+ #[brw(magic=301u32)]
+ SmashGround,
+ #[brw(magic=302u32)]
+ SmashWall,
+}
+#[binrw]
+#[brw(little)]
+pub struct SoundEvent{
+ pub sound_type:SoundType,
+ /// Roblox enum
+ pub material:u32,
+}
+#[binrw]
+#[brw(little)]
+pub struct TimedSoundEvent{
+ #[br(map=read_trey_double)]
+ pub time:f64,
+ pub event:SoundEvent,
+}
+
+// world
+#[binrw]
+#[brw(little)]
+pub struct WorldEventReset{
+ pub position:Vector3,
+}
+#[binrw]
+#[brw(little)]
+pub struct WorldEventButton{
+ #[br(pad_after=8)]
+ pub button_id:u32,
+}
+#[binrw]
+#[brw(little)]
+pub struct WorldEventSetTime{
+ #[br(map=read_trey_double)]
+ #[br(pad_after=4)]
+ pub time:f64,
+}
+#[binrw]
+#[brw(little)]
+pub struct WorldEventSetPaused{
+ #[br(map=|paused:u32|paused!=0)]
+ #[bw(map=|paused:&bool|*paused as u32)]
+ #[br(pad_after=8)]
+ pub paused:bool,
+}
+#[binrw]
+#[brw(little)]
+pub enum WorldEvent{
+ #[brw(magic=0u32)]
+ Reset(WorldEventReset),
+ #[brw(magic=1u32)]
+ Button(WorldEventButton),
+ #[brw(magic=2u32)]
+ SetTime(WorldEventSetTime),
+ #[brw(magic=3u32)]
+ SetPaused(WorldEventSetPaused),
+}
+#[binrw]
+#[brw(little)]
+pub struct TimedWorldEvent{
+ #[br(map=read_trey_double)]
+ pub time:f64,
+ pub event:WorldEvent,
+}
+
+// gravity
+#[binrw]
+#[brw(little)]
+pub struct GravityEvent{
+ pub gravity:Vector3,
+}
+#[binrw]
+#[brw(little)]
+pub struct TimedGravityEvent{
+ #[br(map=read_trey_double)]
+ pub time:f64,
+ pub event:GravityEvent,
+}
+
+// run
+#[binrw]
+#[brw(little)]
+pub enum RunEventType{
+ #[brw(magic=0u32)]
+ Prepare,
+ #[brw(magic=1u32)]
+ Start,
+ #[brw(magic=2u32)]
+ Finish,
+ #[brw(magic=3u32)]
+ Clear,
+ #[brw(magic=4u32)]
+ Flag,
+ #[brw(magic=5u32)]
+ LoadState,
+ #[brw(magic=6u32)]
+ SaveState,
+}
+#[binrw]
+#[brw(little)]
+pub enum Mode{
+ #[brw(magic=0i32)]
+ Main,
+ #[brw(magic=1i32)]
+ Bonus,
+ #[brw(magic=-1i32)]
+ All,
+ #[brw(magic=-2i32)]
+ Invalid,
+ #[brw(magic=-3i32)]
+ InProgress,
+}
+#[binrw]
+#[brw(little)]
+pub enum FlagReason{
+ #[brw(magic=0u32)]
+ Anticheat,
+ #[brw(magic=1u32)]
+ StyleChange,
+ #[brw(magic=2u32)]
+ Clock,
+ #[brw(magic=3u32)]
+ Pause,
+ #[brw(magic=4u32)]
+ Flying,
+ #[brw(magic=5u32)]
+ Gravity,
+ #[brw(magic=6u32)]
+ Timescale,
+ #[brw(magic=7u32)]
+ Timetravel,
+ #[brw(magic=8u32)]
+ Teleport,
+ #[brw(magic=9u32)]
+ Practice,
+ // b"data"
+ #[brw(magic=1635017060u32)]
+ None,
+}
+#[binrw]
+#[brw(little)]
+pub struct RunEvent{
+ pub run_event_type:RunEventType,
+ pub mode:Mode,
+ pub flag_reason:FlagReason,
+}
+#[binrw]
+#[brw(little)]
+pub struct TimedRunEvent{
+ #[br(map=read_trey_double)]
+ pub time:f64,
+ pub event:RunEvent,
+}
+
+// camera
+#[binrw]
+#[brw(little)]
+pub enum CameraEventType{
+ #[brw(magic=0u32)]
+ CameraPunch,
+ #[brw(magic=1u32)]
+ Transform,
+}
+#[binrw]
+#[brw(little)]
+pub struct CameraEvent{
+ pub camera_event_type:CameraEventType,
+ pub value:Vector3,
+}
+#[binrw]
+#[brw(little)]
+pub struct TimedCameraEvent{
+ #[br(map=read_trey_double)]
+ pub time:f64,
+ pub event:CameraEvent,
+}
+
+// setting
+#[binrw]
+#[brw(little)]
+pub enum SettingType{
+ #[brw(magic=0u32)]
+ FieldOfView,
+ #[brw(magic=1u32)]
+ Sensitivity,
+ #[brw(magic=2u32)]
+ VerticalSensitivityMultiplier,
+ #[brw(magic=3u32)]
+ AbsoluteSensitivity,
+ #[brw(magic=4u32)]
+ TurnSpeed,
+}
+#[binrw]
+#[brw(little)]
+pub struct SettingEvent{
+ pub setting_type:SettingType,
+ #[br(map=read_trey_double)]
+ pub value:f64,
+}
+#[binrw]
+#[brw(little)]
+pub struct TimedSettingEvent{
+ #[br(map=read_trey_double)]
+ pub time:f64,
+ pub event:SettingEvent,
+}
+
+#[derive(Default)]
+pub struct Block{
+ pub input_events:Vec<TimedInputEvent>,
+ pub output_events:Vec<TimedOutputEvent>,
+ pub sound_events:Vec<TimedSoundEvent>,
+ pub world_events:Vec<TimedWorldEvent>,
+ pub gravity_events:Vec<TimedGravityEvent>,
+ pub run_events:Vec<TimedRunEvent>,
+ pub camera_events:Vec<TimedCameraEvent>,
+ pub setting_events:Vec<TimedSettingEvent>,
+}
+
+#[binrw]
+#[brw(little)]
+enum EventType{
+ #[brw(magic=1u32)]
+ Input,
+ #[brw(magic=2u32)]
+ Output,
+ #[brw(magic=3u32)]
+ Sound,
+ #[brw(magic=4u32)]
+ World,
+ #[brw(magic=5u32)]
+ Gravity,
+ #[brw(magic=6u32)]
+ Run,
+ #[brw(magic=7u32)]
+ Camera,
+ #[brw(magic=8u32)]
+ Setting,
+}
+#[binrw]
+#[brw(little)]
+struct EventChunkHeader{
+ event_type:EventType,
+ num_events:u32,
+}
+
+// first time I've managed to write BinRead generics without this stupid T::Args<'a>:Required thing blocking me
+fn read_data_into_events<'a,R:BinReaderExt,T>(data:&mut R,events:&mut Vec<T>,num_events:usize)->binrw::BinResult<()>
+where
+ T:binrw::BinRead,
+ T::Args<'a>:binrw::__private::Required,
+{
+ // there is only supposed to be at most one of each type of event chunk per block, so no need to amortize.
+ events.reserve_exact(num_events);
+ for _ in 0..num_events{
+ events.push(data.read_le()?);
+ }
+ Ok(())
+}
+fn read_data_into_events_amortized<'a,R:BinReaderExt,T>(data:&mut R,events:&mut Vec<T>,num_events:usize)->binrw::BinResult<()>
+where
+ T:binrw::BinRead,
+ T::Args<'a>:binrw::__private::Required,
+{
+ // this is used when reading multiple blocks into a single object, so amortize the allocation cost.
+ events.reserve(num_events);
+ for _ in 0..num_events{
+ events.push(data.read_le()?);
+ }
+ Ok(())
+}
+
+impl Block{
+ fn read<R:BinReaderExt>(data:R)->binrw::BinResult<Block>{
+ let mut block=Block::default();
+ Block::read_into(data,&mut block)?;
+ Ok(block)
+ }
+ fn read_into<R:BinReaderExt>(mut data:R,block:&mut Block)->binrw::BinResult<()>{
+ // well... this looks error prone
+ while let Ok(event_chunk_header)=data.read_le::<EventChunkHeader>(){
+ match event_chunk_header.event_type{
+ EventType::Input=>read_data_into_events(&mut data,&mut block.input_events,event_chunk_header.num_events as usize)?,
+ EventType::Output=>read_data_into_events(&mut data,&mut block.output_events,event_chunk_header.num_events as usize)?,
+ EventType::Sound=>read_data_into_events(&mut data,&mut block.sound_events,event_chunk_header.num_events as usize)?,
+ EventType::World=>read_data_into_events(&mut data,&mut block.world_events,event_chunk_header.num_events as usize)?,
+ EventType::Gravity=>read_data_into_events(&mut data,&mut block.gravity_events,event_chunk_header.num_events as usize)?,
+ EventType::Run=>read_data_into_events(&mut data,&mut block.run_events,event_chunk_header.num_events as usize)?,
+ EventType::Camera=>read_data_into_events(&mut data,&mut block.camera_events,event_chunk_header.num_events as usize)?,
+ EventType::Setting=>read_data_into_events(&mut data,&mut block.setting_events,event_chunk_header.num_events as usize)?,
+ }
+ }
+ Ok(())
+ }
+ fn read_into_amortized<R:BinReaderExt>(mut data:R,block:&mut Block)->binrw::BinResult<()>{
+ // sad code duplication
+ while let Ok(event_chunk_header)=data.read_le::<EventChunkHeader>(){
+ match event_chunk_header.event_type{
+ EventType::Input=>read_data_into_events_amortized(&mut data,&mut block.input_events,event_chunk_header.num_events as usize)?,
+ EventType::Output=>read_data_into_events_amortized(&mut data,&mut block.output_events,event_chunk_header.num_events as usize)?,
+ EventType::Sound=>read_data_into_events_amortized(&mut data,&mut block.sound_events,event_chunk_header.num_events as usize)?,
+ EventType::World=>read_data_into_events_amortized(&mut data,&mut block.world_events,event_chunk_header.num_events as usize)?,
+ EventType::Gravity=>read_data_into_events_amortized(&mut data,&mut block.gravity_events,event_chunk_header.num_events as usize)?,
+ EventType::Run=>read_data_into_events_amortized(&mut data,&mut block.run_events,event_chunk_header.num_events as usize)?,
+ EventType::Camera=>read_data_into_events_amortized(&mut data,&mut block.camera_events,event_chunk_header.num_events as usize)?,
+ EventType::Setting=>read_data_into_events_amortized(&mut data,&mut block.setting_events,event_chunk_header.num_events as usize)?,
+ }
+ }
+ Ok(())
+ }
+}
+
+#[derive(Debug)]
+pub enum Error{
+ InvalidBlockId(BlockId),
+ Seek(std::io::Error),
+ InvalidData(binrw::Error),
+}
+impl std::fmt::Display for Error{
+ fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
+ write!(f,"{self:?}")
+ }
+}
+impl std::error::Error for Error{}
+
+#[binrw]
+#[brw(little)]
+#[derive(Debug,Clone,Copy)]
+pub struct BlockId(#[br(map=|i:u32|i-1)]u32);
+#[binrw]
+#[brw(little)]
+#[derive(Debug,Clone,Copy)]
+pub struct BlockPosition(#[br(map=|i:u32|i-1)]u32);
+
+#[binrw]
+#[brw(little)]
+#[derive(Debug,Clone,Copy)]
+pub struct TimedBlockId{
+ #[br(map=read_trey_double)]
+ pub time:f64,
+ pub block_id:BlockId,
+}
+impl PartialEq for TimedBlockId{
+ fn eq(&self,other:&Self)->bool{
+ self.time.eq(&other.time)
+ }
+}
+impl PartialOrd for TimedBlockId{
+ fn partial_cmp(&self,other:&Self)->Option<core::cmp::Ordering>{
+ self.time.partial_cmp(&other.time)
+ }
+}
+
+#[binrw]
+#[brw(little)]
+#[derive(Debug)]
+pub struct FileHeader{
+ #[brw(magic=b"qbot")]
+ pub file_version:u32,
+ pub num_offline_events:u32,
+ pub num_realtime_events:u32,
+ #[br(count=num_offline_events+num_realtime_events+1)]
+ pub block_positions:Vec<BlockPosition>,
+ #[br(count=num_offline_events)]
+ pub offline_blocks_timeline:Vec<TimedBlockId>,
+ #[br(count=num_realtime_events)]
+ pub realtime_blocks_timeline:Vec<TimedBlockId>,
+}
+pub struct BlockInfo{
+ start:u32,
+ length:u32,
+}
+impl FileHeader{
+ pub fn block_info(&self,block_id:BlockId)->Result<BlockInfo,Error>{
+ if self.block_positions.len() as u32<=block_id.0{
+ return Err(Error::InvalidBlockId(block_id));
+ }
+ let start=self.block_positions[block_id.0 as usize].0;
+ let end=self.block_positions[block_id.0 as usize+1].0;
+ Ok(BlockInfo{start,length:end-start})
+ }
+}
+
+struct MergeIter<T,It0:Iterator<Item=T>,It1:Iterator<Item=T>>{
+ it0:It0,
+ it1:It1,
+ item0:Option<T>,
+ item1:Option<T>,
+}
+impl<T,It0:Iterator<Item=T>,It1:Iterator<Item=T>> MergeIter<T,It0,It1>{
+ fn new(mut it0:It0,mut it1:It1)->Self{
+ Self{
+ item0:it0.next(),
+ item1:it1.next(),
+ it0,
+ it1,
+ }
+ }
+}
+impl<T:PartialOrd,It0:Iterator<Item=T>,It1:Iterator<Item=T>> Iterator for MergeIter<T,It0,It1>{
+ type Item=T;
+ fn next(&mut self)->Option<Self::Item>{
+ match (&self.item0,&self.item1){
+ (None,None)=>None,
+ (Some(_),None)=>core::mem::replace(&mut self.item0,self.it0.next()),
+ (None,Some(_))=>core::mem::replace(&mut self.item1,self.it1.next()),
+ (Some(item0),Some(item1))=>match item0.partial_cmp(item1){
+ Some(core::cmp::Ordering::Less)
+ |Some(core::cmp::Ordering::Equal)
+ |None
+ =>core::mem::replace(&mut self.item0,self.it0.next()),
+ Some(core::cmp::Ordering::Greater)
+ =>core::mem::replace(&mut self.item1,self.it1.next()),
+ },
+ }
+ }
+}
+
+pub struct File<R:BinReaderExt>{
+ pub header:FileHeader,
+ pub data:FileData<R>,
+}
+impl<R:BinReaderExt> File<R>{
+ pub fn new(mut data:R)->Result<File<R>,binrw::Error>{
+ Ok(File{
+ header:data.read_le()?,
+ data:FileData{data},
+ })
+ }
+ pub fn read_all(&mut self)->Result<Block,Error>{
+ let block_iter=MergeIter::new(
+ self.header.offline_blocks_timeline.iter(),
+ self.header.realtime_blocks_timeline.iter(),
+ );
+ let mut big_block=Block::default();
+ for &TimedBlockId{time:_,block_id} in block_iter{
+ let block_info=self.header.block_info(block_id)?;
+ self.data.read_block_info_into_block(block_info,&mut big_block)?;
+ }
+ Ok(big_block)
+ }
+}
+
+pub struct FileData<R:BinReaderExt>{
+ data:R,
+}
+impl<R:BinReaderExt> FileData<R>{
+ fn data_mut(&mut self)->&mut R{
+ &mut self.data
+ }
+ fn block_reader(&mut self,block_info:BlockInfo)->Result<binrw::io::TakeSeek<&mut R>,Error>{
+ self.data.seek(std::io::SeekFrom::Start(block_info.start as u64)).map_err(Error::Seek)?;
+ Ok(self.data_mut().take_seek(block_info.length as u64))
+ }
+ pub fn read_block_info(&mut self,block_info:BlockInfo)->Result<Block,Error>{
+ let data=self.block_reader(block_info)?;
+ let block=Block::read(data).map_err(Error::InvalidData)?;
+ Ok(block)
+ }
+ pub fn read_block_info_into_block(&mut self,block_info:BlockInfo,block:&mut Block)->Result<(),Error>{
+ let data=self.block_reader(block_info)?;
+ Block::read_into_amortized(data,block).map_err(Error::InvalidData)?;
+ Ok(())
+ }
+}