feat: keep track of steps and gil, too
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parent
be511e15f9
commit
00949fb2b5
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@ -3,8 +3,10 @@ use sysinfo::{PidExt, ProcessExt, ProcessRefreshKind, RefreshKind, System, Syste
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use vmemory::ProcessMemory;
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use vmemory::ProcessMemory;
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pub struct GameState {
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pub struct GameState {
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pub story: u16,
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pub location: u16,
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pub location: u16,
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pub gil: u32,
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pub steps: u32,
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pub stage: u16,
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pid: u32,
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pid: u32,
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base: usize,
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base: usize,
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@ -12,13 +14,18 @@ pub struct GameState {
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mem: Vec<u8>,
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mem: Vec<u8>,
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proc_mem: ProcessMemory,
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proc_mem: ProcessMemory,
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story_pattern: Vec<u8>,
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data_pattern: Vec<u8>,
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location_pattern: Vec<u8>,
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data_addr: usize,
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}
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}
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impl GameState {
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impl GameState {
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const LOCATION_OFFSET: isize = -0x90;
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const GIL_OFFSET: isize = 0x8;
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const STEPS_OFFSET: isize = 0xC;
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const STAGE_OFFSET: isize = 0x200;
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pub fn new() -> Result<Self> {
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pub fn new() -> Result<Self> {
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let mut sys = System::new_with_specifics(RefreshKind::new().with_processes(ProcessRefreshKind::new()));
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let sys = System::new_with_specifics(RefreshKind::new().with_processes(ProcessRefreshKind::new()));
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let proc = sys.processes()
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let proc = sys.processes()
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.iter()
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.iter()
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.find(|(_, proc)| proc.name() == "FFXII_TZA.exe");
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.find(|(_, proc)| proc.name() == "FFXII_TZA.exe");
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@ -42,12 +49,13 @@ impl GameState {
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}
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}
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let tza_mem = mem.read_memory(base, base_size, false);
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let tza_mem = mem.read_memory(base, base_size, false);
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let story_ptr_pattern = crate::util::parse_pattern("48 8B 05 ?? ?? ?? ?? 48 85 C0 74 03 66 89 08 C3").unwrap();
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let data_pattern = crate::util::parse_pattern("48 8D 0D ?? ?? ?? ?? 41 B8 ?? ?? ?? ?? E8 ?? ?? ?? ?? 33 C9 E8").unwrap();
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let location_pattern = crate::util::parse_pattern("8B 0D ?? ?? ?? ?? FF D0 4C 89 3D ?? ?? ?? ?? 48 83 C4 30 41 5F C3").unwrap();
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Ok(Self {
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let mut state = Self {
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story: 0,
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location: 0,
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location: 0,
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gil: 0,
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steps: 0,
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stage: 0,
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pid: pid.as_u32(),
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pid: pid.as_u32(),
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base,
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base,
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@ -55,39 +63,57 @@ impl GameState {
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mem: tza_mem,
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mem: tza_mem,
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proc_mem: mem,
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proc_mem: mem,
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story_pattern: story_ptr_pattern,
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data_pattern,
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location_pattern,
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data_addr: 0,
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})
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};
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state.set_addresses()?;
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Ok(state)
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}
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}
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pub fn refresh(&mut self) -> Result<()> {
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fn find_address_indirect(&self, pattern: &[u8]) -> Result<usize> {
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let story_ptr_ptr = match crate::util::find_pattern(&self.mem, &self.story_pattern) {
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let ptr_ptr = match crate::util::find_pattern(&self.mem, pattern) {
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Some(ptr) => ptr,
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Some(ptr) => ptr,
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None => anyhow::bail!("could not find story pointer"),
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None => anyhow::bail!("could not find pointer"),
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};
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};
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let location_ptr = match crate::util::find_pattern(&self.mem, &self.location_pattern) {
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let ptr_offset = match crate::util::get_static_address(&self.mem, ptr_ptr, self.base) {
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Some(addr) => addr,
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None => anyhow::bail!("could not find pointer offset"),
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};
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let ptr_vec = self.proc_mem.read_memory(ptr_offset, 8, true);
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let ptr_array: [u8; 8] = ptr_vec.try_into().unwrap();
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Ok(u64::from_le_bytes(ptr_array) as usize - self.base)
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}
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fn find_address(&self, pattern: &[u8]) -> Result<usize> {
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let ptr = match crate::util::find_pattern(&self.mem, pattern) {
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Some(ptr) => ptr,
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Some(ptr) => ptr,
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None => anyhow::bail!("could not find location pointer"),
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None => anyhow::bail!("could not find location pointer"),
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};
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};
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let story_ptr_offset = match crate::util::get_static_address(&self.mem, story_ptr_ptr, self.base) {
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let ptr_offset = match crate::util::get_static_address(&self.mem, ptr, self.base) {
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Some(addr) => addr,
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None => anyhow::bail!("could not find story pointer offset"),
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};
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let location_ptr_offset = match crate::util::get_static_address(&self.mem, location_ptr, self.base) {
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Some(addr) => addr,
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Some(addr) => addr,
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None => anyhow::bail!("could not find location pointer offset"),
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None => anyhow::bail!("could not find location pointer offset"),
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};
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};
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Ok(ptr_offset)
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}
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let story_ptr_array: [u8; 8] = self.mem[story_ptr_offset..story_ptr_offset + 8].try_into().unwrap();
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fn set_addresses(&mut self) -> Result<()> {
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let story_ptr = u64::from_le_bytes(story_ptr_array) as usize - self.base;
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self.data_addr = self.find_address(&self.data_pattern)?;
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Ok(())
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}
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let story_vec = self.proc_mem.read_memory(self.base + story_ptr, 2, false);
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fn read_data<const SIZE: usize>(&self, offset: isize) -> [u8; SIZE] {
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let story_array: [u8; 2] = story_vec.try_into().map_err(|_| anyhow::anyhow!("not enough story bytes"))?;
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let addr = self.data_addr as isize + offset;
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self.story = u16::from_le_bytes(story_array);
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let vec = self.proc_mem.read_memory(addr as usize, SIZE, true);
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vec.try_into().unwrap()
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}
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let location_vec = self.proc_mem.read_memory(self.base + location_ptr_offset, 2, false);
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pub fn refresh(&mut self) -> Result<()> {
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let location_array: [u8; 2] = location_vec.try_into().map_err(|_| anyhow::anyhow!("not enough location bytes"))?;
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self.location = u16::from_le_bytes(self.read_data(Self::LOCATION_OFFSET));
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self.location = u16::from_le_bytes(location_array);
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self.gil = u32::from_le_bytes(self.read_data(Self::GIL_OFFSET));
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self.steps = u32::from_le_bytes(self.read_data(Self::STEPS_OFFSET));
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self.stage = u16::from_le_bytes(self.read_data(Self::STAGE_OFFSET));
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Ok(())
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Ok(())
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}
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}
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@ -22,7 +22,7 @@ impl<'a> NotesState<'a> {
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// find first step with a matching story stage
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// find first step with a matching story stage
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let steps = notes.steps
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let steps = notes.steps
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.iter()
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.iter()
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.take_while(|step| step.stage <= game.story)
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.take_while(|step| step.stage <= game.stage)
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.count();
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.count();
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let (step, step_idx, force) = if steps <= 1 {
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let (step, step_idx, force) = if steps <= 1 {
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// nothing previous OR first step
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// nothing previous OR first step
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@ -51,11 +51,11 @@ impl<'a> NotesState<'a> {
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}
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}
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pub fn tick(&mut self, game: &mut GameState) -> Result<()> {
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pub fn tick(&mut self, game: &mut GameState) -> Result<()> {
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self.last_stage = game.story;
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self.last_stage = game.stage;
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self.last_location = game.location;
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self.last_location = game.location;
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game.refresh()?;
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game.refresh()?;
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let stage_changed = self.last_stage != game.story;
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let stage_changed = self.last_stage != game.stage;
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let location_changed = self.last_location != game.location;
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let location_changed = self.last_location != game.location;
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let step_advanced = stage_changed && self.change_step(game);
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let step_advanced = stage_changed && self.change_step(game);
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@ -99,7 +99,7 @@ impl<'a> NotesState<'a> {
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None => return false,
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None => return false,
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};
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};
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if next.stage == game.story {
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if next.stage == game.stage {
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self.current_step = next;
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self.current_step = next;
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self.step_idx += 1;
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self.step_idx += 1;
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self.area_idx = 0;
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self.area_idx = 0;
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