1 files changed, 96 insertions, 0 deletions
diff --git a/src/json.rs b/src/json.rs
new file mode 100644
index 0000000..55173bd
--- /dev/null
+++ b/src/json.rs
@@ -0,0 +1,96 @@
+use std::fs::File;
+use std::io::prelude::*;
+
+use anyhow::Result;
+use serde::{Deserialize, Serialize};
+use serde_json;
+use serde_repr::{Deserialize_repr, Serialize_repr};
+
+pub fn read_state_from_json_file(filename: &str) -> Result<State> {
+    let mut file = File::open(filename)?;
+    let mut content = String::new();
+    file.read_to_string(&mut content)?;
+    let state: State = serde_json::from_str(content.as_ref())?;
+
+    Ok(state)
+}
+
+#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, Eq)]
+#[serde(rename_all = "camelCase")]
+pub struct State {
+    pub current_round: u32,
+    pub max_rounds: u32,
+    pub player: Player,
+    pub opponent: Opponent,
+    pub world_map: Vec<Vec<WorldMapCell>>,
+}
+
+#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, Eq)]
+#[serde(rename_all = "camelCase")]
+pub struct Player {
+    id: u32,
+    position: Position,
+    speed: u32,
+    state: PlayerState,
+    powerups: Vec<Powerup>,
+    boosting: bool,
+    boost_counter: u32,
+}
+
+#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, Eq)]
+#[serde(rename_all = "camelCase")]
+pub struct Opponent {
+    id: u32,
+    position: Position,
+    speed: u32,
+}
+
+#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, Eq)]
+#[serde(rename_all = "camelCase")]
+pub struct WorldMapCell {
+    position: Position,
+    surface_object: SurfaceObject,
+    occupied_by_player_id: u32,
+}
+
+#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, Eq)]
+#[serde(rename_all = "camelCase")]
+pub struct Position {
+    x: u32,
+    y: u32,
+}
+
+#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, Eq)]
+#[serde(rename_all = "SCREAMING_SNAKE_CASE")]
+pub enum PlayerState {
+    Ready,
+    Nothing,
+    TurningLeft,
+    TurningRight,
+    Accelerating,
+    Decelarating,
+    PickedUpPowerup,
+    UsedBoost,
+    UsedOil,
+    HitMud,
+    Finishing,
+}
+
+#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, Eq)]
+#[serde(rename_all = "SCREAMING_SNAKE_CASE")]
+pub enum Powerup {
+    Boost,
+    Oil,
+}
+
+#[derive(Serialize_repr, Deserialize_repr, Clone, Debug, PartialEq, Eq)]
+#[serde(rename_all = "camelCase")]
+#[repr(u8)]
+pub enum SurfaceObject {
+    Empty = 0,
+    Mud = 1,
+    OilSpill = 2,
+    OilItem = 3,
+    FinishLine = 4,
+    Boost = 5,
+}