feat: implement naxdy filter

src/input.rs

@@ -22,7 +22,7 @@ use crate::{
     filter::{run_waveshaping, FilterGains, KalmanState, WaveshapingValues, FILTER_GAINS},
     gcc_hid::GcReport,
     helpers::XyValuePair,
-    input_filter::{DummyFilter, InputFilter},
+    input_filter::{InputFilter, NaxdyFilter},
     stick::{linearize, notch_remap, StickParams},
 };
 
@@ -446,7 +446,7 @@ pub async fn update_button_state_task(
     let mut override_stick_state: Option<OverrideStickState> = None;
 
     // replace this with the input filter of your choice, if you so desire.
-    let mut input_filter = DummyFilter;
+    let mut input_filter = NaxdyFilter::new();
 
     loop {
         update_button_states(

src/input_filter.rs

@@ -1,4 +1,4 @@
-use defmt::warn;
+use defmt::{warn, Format};
 
 use crate::{
     config::{is_awaitable_button_pressed, AwaitableButtons},
@@ -107,3 +107,80 @@ pub struct DummyFilter;
 impl InputFilter for DummyFilter {
     fn apply_filter(&mut self, _gcc_state: &mut GcReport) {}
 }
+
+#[derive(Debug, Format, Clone, Copy, PartialEq, Eq)]
+enum NaxdyFilterMode {
+    Steve,
+    Snake,
+    Inactive,
+}
+
+pub struct NaxdyFilter {
+    mode: NaxdyFilterMode,
+    short_hop_filter: SingleButtonMacroFilter,
+    item_pickup_filter: SingleButtonMacroFilter,
+    cstick_up_tilt_filter: CStickUpTiltFilter,
+}
+
+impl NaxdyFilter {
+    #[allow(dead_code)]
+    pub fn new() -> Self {
+        Self {
+            mode: NaxdyFilterMode::Snake,
+            short_hop_filter: SingleButtonMacroFilter {
+                btn_instigator: AwaitableButtons::Y,
+                btn_to_press: AwaitableButtons::X,
+            },
+            item_pickup_filter: SingleButtonMacroFilter {
+                btn_instigator: AwaitableButtons::Y,
+                btn_to_press: AwaitableButtons::L,
+            },
+            cstick_up_tilt_filter: CStickUpTiltFilter,
+        }
+    }
+}
+
+impl InputFilter for NaxdyFilter {
+    fn apply_filter(&mut self, gcc_state: &mut GcReport) {
+        if gcc_state.buttons_1.button_a
+            && gcc_state.buttons_1.button_b
+            && gcc_state.buttons_1.dpad_right
+            && self.mode != NaxdyFilterMode::Inactive
+        {
+            self.mode = NaxdyFilterMode::Snake
+        }
+
+        if gcc_state.buttons_1.button_a
+            && gcc_state.buttons_1.button_b
+            && gcc_state.buttons_1.dpad_left
+            && self.mode != NaxdyFilterMode::Inactive
+        {
+            self.mode = NaxdyFilterMode::Steve;
+        }
+
+        if gcc_state.buttons_1.button_a
+            && gcc_state.buttons_1.button_b
+            && gcc_state.buttons_1.dpad_up
+            && self.mode == NaxdyFilterMode::Inactive
+        {
+            self.mode = NaxdyFilterMode::Snake;
+        } else if gcc_state.buttons_1.button_a
+            && gcc_state.buttons_1.button_b
+            && gcc_state.buttons_1.dpad_down
+            && self.mode != NaxdyFilterMode::Inactive
+        {
+            self.mode = NaxdyFilterMode::Inactive;
+        }
+
+        match self.mode {
+            NaxdyFilterMode::Steve => {
+                self.short_hop_filter.apply_filter(gcc_state);
+            }
+            NaxdyFilterMode::Snake => {
+                self.cstick_up_tilt_filter.apply_filter(gcc_state);
+                self.item_pickup_filter.apply_filter(gcc_state);
+            }
+            NaxdyFilterMode::Inactive => {}
+        }
+    }
+}