wip

.gitignore

@@ -4,3 +4,4 @@ Cargo.lock
 bin/
 pkg/
 wasm-pack.log
+out.dem

Cargo.toml

@@ -7,13 +7,17 @@ edition = "2018"
 [lib]
 crate-type = ["cdylib", "rlib"]
 
+[[bin]]
+name = "unlock"
+path = "src/unlock.rs"
+
 [features]
 default = ["console_error_panic_hook"]
 
 [dependencies]
 bitbuffer = "0.10.5"
-tf-demo-parser = { version = "0.4", git = "https://github.com/demostf/parser" }
+#tf-demo-parser = { version = "0.4", git = "https://github.com/demostf/parser" }
-#tf-demo-parser = { version = "0.4", path = "../tf-demo-parser" }
+tf-demo-parser = { version = "0.4", path = "../tf-demo-parser" }
 wasm-bindgen = "0.2"
 web-sys = { version = "0.3", features = ["console"] }
 
@@ -29,10 +33,13 @@ console_error_panic_hook = { version = "0.1.6", optional = true }
 #
 # Unfortunately, `wee_alloc` requires nightly Rust when targeting wasm for now.
 wee_alloc = { version = "0.4.5", optional = true }
+clap = { version = "3.1.9", features = ["derive"] }
 
 [dev-dependencies]
 wasm-bindgen-test = "0.3.13"
 
 [profile.release]
-# Tell `rustc` to optimize for small code size.
+lto = true
-opt-level = "s"
+
+[profile.dev.package."*"]
+opt-level = 3

src/lib.rs

@@ -5,6 +5,8 @@ use tf_demo_parser::demo::parser::{RawPacketStream, DemoHandler, Encode};
 use tf_demo_parser::demo::packet::{Packet, PacketType};
 use tf_demo_parser::demo::message::Message;
 use bitbuffer::{BitWriteStream, LittleEndian, BitRead, BitWrite};
+use tf_demo_parser::demo::message::packetentities::PacketEntitiesMessage;
+use tf_demo_parser::demo::sendprop::{SendProp, SendPropIdentifier, SendPropValue};
 
 extern crate web_sys;
 
@@ -25,6 +27,10 @@ fn set_panic_hook() {
     console_error_panic_hook::set_once();
 }
 
+const LOCAL_PROP: SendPropIdentifier = SendPropIdentifier::new("DT_LocalPlayerExclusive", "m_nTickBase");
+const EYE_X_PROP: SendPropIdentifier = SendPropIdentifier::new("DT_TFLocalPlayerExclusive", "m_angEyeAngles[0]");
+const EYE_Y_PROP: SendPropIdentifier = SendPropIdentifier::new("DT_TFLocalPlayerExclusive", "m_angEyeAngles[1]");
+
 #[wasm_bindgen]
 pub fn unlock(input: &[u8]) -> Vec<u8> {
     set_panic_hook();
@@ -41,9 +47,41 @@ pub fn unlock(input: &[u8]) -> Vec<u8> {
         let mut handler = DemoHandler::default();
         handler.handle_header(&header);
 
+        let mut local_player_entity_id = None;
+
         while let Some(mut packet) = packets.next(&handler.state_handler).unwrap() {
             match &mut packet {
                 Packet::Signon(message_packet) | Packet::Message(message_packet) => {
+                    for msg in &mut message_packet
+                        .messages {
+                        if let Message::PacketEntities(PacketEntitiesMessage { entities, .. }) = msg {
+                            for entity in entities {
+                                if local_player_entity_id.is_none() && entity.get_prop_by_identifier(&LOCAL_PROP).is_some() {
+                                    dbg!(entity.entity_index);
+                                    local_player_entity_id = Some(entity.entity_index);
+                                }
+
+                                if Some(entity.entity_index) == local_player_entity_id {
+                                    let index_x = handler.state_handler.index_for_prop(entity.server_class, EYE_X_PROP).expect("index_x not found");
+                                    let index_y = handler.state_handler.index_for_prop(entity.server_class, EYE_Y_PROP).expect("index_y not found");
+
+                                    entity.apply_update(&[
+                                        SendProp {
+                                            index: index_x,
+                                            identifier: EYE_X_PROP,
+                                            value: SendPropValue::Float(message_packet.meta.view_angles[0].local_angles.x),
+                                        },
+                                        SendProp {
+                                            index: index_y,
+                                            identifier: EYE_Y_PROP,
+                                            value: SendPropValue::Float(message_packet.meta.view_angles[0].local_angles.y),
+                                        },
+                                    ])
+                                }
+                            }
+                        }
+                    }
+
                     message_packet.meta.view_angles = Default::default();
                     message_packet
                         .messages

src/unlock.rs

@@ -0,0 +1,17 @@
+use clap::Parser;
+use povunlock::unlock;
+use std::fs;
+
+#[derive(Parser, Debug)]
+#[clap(author, version, about, long_about = None)]
+struct Args {
+    /// Path to the source demo
+    path: String,
+}
+
+fn main() {
+    let args = Args::parse();
+    let file = fs::read(&args.path).unwrap();
+    let output = unlock(&file);
+    fs::write("out.dem", output).unwrap();
+}