Added basic landing

Cargo.lock

@@ -702,6 +702,7 @@ dependencies = [
  "cgmath",
  "galactica-content",
  "galactica-packer",
+ "galactica-playeragent",
  "galactica-system",
  "galactica-util",
  "glyphon",

crates/content/src/handle.rs

@@ -37,6 +37,15 @@ impl PartialEq for SpriteHandle {
 	}
 }
 
+/// A lightweight representation of system body
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
+pub struct SystemObjectHandle {
+	/// TODO: pub in crate
+	pub system_handle: SystemHandle,
+	/// The index of this object in system.objects
+	pub body_index: usize,
+}
+
 /// A lightweight representation of an outfit
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
 pub struct OutfitHandle {

crates/content/src/lib.rs

@@ -18,9 +18,7 @@ use std::{
 use toml;
 use walkdir::WalkDir;
 
-pub use handle::{
+pub use handle::*;
-	EffectHandle, FactionHandle, GunHandle, OutfitHandle, ShipHandle, SpriteHandle, SystemHandle,
-};
 pub use part::*;
 
 mod syntax {
@@ -333,6 +331,11 @@ impl Content {
 		return &self.systems[h.index];
 	}
 
+	/// Get a system object from a handle
+	pub fn get_system_object(&self, h: SystemObjectHandle) -> &SystemObject {
+		return &self.get_system(h.system_handle).objects[h.body_index];
+	}
+
 	/// Get a faction from a handle
 	pub fn get_faction(&self, h: FactionHandle) -> &Faction {
 		return &self.factions[h.index];

crates/content/src/part/mod.rs

@@ -19,4 +19,4 @@ pub use ship::{
 	ShipCollapse,
 };
 pub use sprite::{RepeatMode, Sprite};
-pub use system::{Object, System};
+pub use system::{System, SystemObject};

crates/content/src/part/system.rs

@@ -2,7 +2,10 @@ use anyhow::{bail, Context, Result};
 use cgmath::{Deg, Point3, Rad};
 use std::collections::{HashMap, HashSet};
 
-use crate::{handle::SpriteHandle, util::Polar, Content, ContentBuildContext};
+use crate::{
+	handle::SpriteHandle, util::Polar, Content, ContentBuildContext, SystemHandle,
+	SystemObjectHandle,
+};
 
 pub(crate) mod syntax {
 	use serde::Deserialize;
@@ -83,8 +86,11 @@ pub struct System {
 	/// This star system's name
 	pub name: String,
 
+	/// This star system's handle
+	pub handle: SystemHandle,
+
 	/// Objects in this system
-	pub objects: Vec<Object>,
+	pub objects: Vec<SystemObject>,
 }
 
 /// Represents an orbiting body in a star system
@@ -92,10 +98,13 @@ pub struct System {
 /// These may be landable and may be decorative.
 /// System objects to not interact with the physics engine.
 #[derive(Debug, Clone)]
-pub struct Object {
+pub struct SystemObject {
 	/// This object's sprite
 	pub sprite: SpriteHandle,
 
+	/// This object's handle
+	pub handle: SystemObjectHandle,
+
 	/// This object's size.
 	/// Measured as height in game units.
 	/// This value is scaled for distance
@@ -185,11 +194,15 @@ impl crate::Build for System {
 		for (system_name, system) in system {
 			let mut objects = Vec::new();
 
+			let system_handle = SystemHandle {
+				index: content.systems.len(),
+			};
+
 			for (label, obj) in &system.object {
 				let mut cycle_detector = HashSet::new();
 				cycle_detector.insert(label.clone());
 
-				let handle = match content.sprite_index.get(&obj.sprite) {
+				let sprite_handle = match content.sprite_index.get(&obj.sprite) {
 					None => bail!(
 						"In system `{}`: sprite `{}` doesn't exist",
 						system_name,
@@ -198,17 +211,33 @@ impl crate::Build for System {
 					Some(t) => *t,
 				};
 
-				objects.push(Object {
+				objects.push(SystemObject {
-					sprite: handle,
+					sprite: sprite_handle,
 					pos: resolve_position(&system.object, &obj, cycle_detector)
 						.with_context(|| format!("In object {:#?}", label))?,
 					size: obj.size,
 					angle: Deg(obj.angle.unwrap_or(0.0)).into(),
+					handle: SystemObjectHandle {
+						system_handle,
+						body_index: 0,
+					},
 				});
 			}
 
+			// Sort by z-distance. This is important, since these are
+			// rendered in this order. We need far objects to be behind
+			// near objects!
 			objects.sort_by(|a, b| b.pos.z.total_cmp(&a.pos.z));
+
+			// Update object handles
+			let mut i = 0;
+			for o in &mut objects {
+				o.handle.body_index = i;
+				i += 1;
+			}
+
 			content.systems.push(Self {
+				handle: system_handle,
 				name: system_name,
 				objects,
 			});

crates/galactica/src/game.rs

@@ -104,8 +104,10 @@ impl<'a> Game {
 		}
 	}
 
-	pub fn update_player_controls(&mut self, player: &PlayerAgent) {
+	pub fn update_player_controls(&mut self, player: &mut PlayerAgent) {
-		self.state.systemsim.update_player_controls(player)
+		self.state
+			.systemsim
+			.update_player_controls(&self.ct, player)
 	}
 
 	pub fn get_state(&self) -> &GameState {

crates/galactica/src/main.rs

@@ -1,10 +1,14 @@
 mod game;
 
 use anyhow::{bail, Result};
+use cgmath::Point2;
 use galactica_content::{Content, SystemHandle};
 use galactica_playeragent::{PlayerAgent, PlayerStatus};
 use galactica_render::RenderInput;
-use galactica_system::phys::{util, PhysSimShipHandle};
+use galactica_system::{
+	data::ShipState,
+	phys::{util, PhysSimShipHandle},
+};
 use galactica_util::constants::ASSET_CACHE;
 use std::{
 	fs,
@@ -56,7 +60,7 @@ fn main() -> Result<()> {
 					ct: &content,
 					systemsim: &game.get_state().systemsim,
 					particles: game.get_particles(),
-					player_ship: PhysSimShipHandle(player.ship.unwrap()),
+					player: &player,
 					current_system: SystemHandle { index: 0 },
 					timing: game.get_state().timing.clone(),
 				};
@@ -71,9 +75,10 @@ fn main() -> Result<()> {
 			}
 
 			Event::MainEventsCleared => {
-				game.update_player_controls(&player);
+				game.update_player_controls(&mut player);
 				game.update();
 
+				// TODO: clean up
 				let player_status = {
 					let pos = {
 						let o = &game
@@ -81,11 +86,23 @@ fn main() -> Result<()> {
 							.systemsim
 							.get_ship(&PhysSimShipHandle(player.ship.unwrap()));
 						if let Some(o) = o {
-							let r = &game.get_state().systemsim.get_rigid_body(o.rigid_body);
+							match o.data.get_state() {
-							if let Some(r) = r {
+								ShipState::Collapsing { .. } | ShipState::Flying => {
-								Some(util::rigidbody_position(r))
+									let r =
-							} else {
+										&game.get_state().systemsim.get_rigid_body(o.rigid_body);
-								None
+									if let Some(r) = r {
+										Some(util::rigidbody_position(r))
+									} else {
+										None
+									}
+								}
+								ShipState::Landed { target } => {
+									let b = content.get_system_object(*target);
+									Some(Point2 {
+										x: b.pos.x,
+										y: b.pos.y,
+									})
+								}
 							}
 						} else {
 							None
@@ -98,6 +115,7 @@ fn main() -> Result<()> {
 				// This must be updated BEFORE rendering!
 				player.step(&content, player_status);
 
+				player.input.clear_inputs();
 				gpu.window().request_redraw();
 			}
 

crates/playeragent/src/inputstatus.rs

@@ -1,12 +1,18 @@
 use winit::event::{ElementState, MouseButton, MouseScrollDelta, TouchPhase, VirtualKeyCode};
 
 pub struct InputStatus {
+	// Parameters
 	scroll_speed: f32,
-	pub key_left: bool,
+
-	pub key_right: bool,
+	// Continuous keys
-	pub key_thrust: bool,
+	key_left: bool,
-	pub key_guns: bool,
+	key_right: bool,
-	pub v_scroll: f32,
+	key_thrust: bool,
+	key_guns: bool,
+
+	// One-shot keys (audomatically released at the end of each frame)
+	key_land: bool,
+	v_scroll: f32,
 }
 
 impl InputStatus {
@@ -16,6 +22,7 @@ impl InputStatus {
 			key_right: false,
 			key_thrust: false,
 			key_guns: false,
+			key_land: false,
 			v_scroll: 0.0,
 			scroll_speed: 10.0,
 		}
@@ -26,15 +33,34 @@ impl InputStatus {
 		self.key_right = false;
 		self.key_thrust = false;
 		self.key_guns = false;
+		self.key_land = false;
+	}
+
+	/// Called at the end of every frame,
+	/// resets one-shot keys.
+	pub fn clear_inputs(&mut self) {
+		self.key_land = false;
+		self.v_scroll = 0.0;
 	}
 
 	pub fn process_key(&mut self, state: &ElementState, key: &VirtualKeyCode) {
 		let down = state == &ElementState::Pressed;
 		match key {
-			VirtualKeyCode::Left => self.key_left = down,
+			VirtualKeyCode::Left => {
-			VirtualKeyCode::Right => self.key_right = down,
+				self.key_left = down;
+				if down {
+					self.key_right = false;
+				}
+			}
+			VirtualKeyCode::Right => {
+				self.key_right = down;
+				if down {
+					self.key_left = false;
+				}
+			}
 			VirtualKeyCode::Up => self.key_thrust = down,
 			VirtualKeyCode::Space => self.key_guns = down,
+			VirtualKeyCode::L => self.key_land = down,
 			_ => {}
 		}
 	}
@@ -58,3 +84,41 @@ impl InputStatus {
 		}
 	}
 }
+
+// Public get-state methods
+impl InputStatus {
+	/// Has the player applied vertical scroll?
+	/// This is measured in lines, scaled by scroll_speed
+	///
+	/// A positive value means scroll up, a negative value means scroll down.
+	/// This is reset to zero at the end of each frame.
+	pub fn get_v_scroll(&self) -> f32 {
+		self.v_scroll
+	}
+
+	/// Is the player pressing the "turn left" key?
+	pub fn pressed_left(&self) -> bool {
+		self.key_left
+	}
+
+	/// Is the player pressing the "turn right" key?
+	pub fn pressed_right(&self) -> bool {
+		self.key_right
+	}
+
+	/// Is the player pressing the "fowards" key?
+	pub fn pressed_thrust(&self) -> bool {
+		self.key_thrust
+	}
+
+	/// Is the player pressing the "fire guns" key?
+	pub fn pressed_guns(&self) -> bool {
+		self.key_guns
+	}
+
+	/// Has the player pressed the "land" key?
+	/// (One-shot, reset to false at the start of each frame)
+	pub fn pressed_land(&self) -> bool {
+		self.key_land
+	}
+}

crates/playeragent/src/playeragent.rs

@@ -1,21 +1,43 @@
-use galactica_content::Content;
+use galactica_content::{Content, SystemHandle, SystemObjectHandle};
 use rapier2d::geometry::ColliderHandle;
 use winit::event::{ElementState, MouseButton, MouseScrollDelta, TouchPhase, VirtualKeyCode};
 
 use crate::{camera::Camera, inputstatus::InputStatus, PlayerStatus};
 
+/// What the player has selected
+#[derive(Debug, Clone, Copy)]
+pub enum PlayerSelection {
+	/// We have nothing selected
+	None,
+
+	/// We have a system body selected
+	OrbitingBody(SystemObjectHandle),
+
+	/// We have a ship selected
+	Ship(ColliderHandle),
+}
+
+impl PlayerSelection {
+	pub fn get_planet(&self) -> Option<SystemObjectHandle> {
+		match self {
+			Self::OrbitingBody(h) => Some(*h),
+			_ => None,
+		}
+	}
+}
+
 pub struct PlayerAgent {
 	/// Which ship this player is controlling
 	pub ship: Option<ColliderHandle>,
 
+	/// What the player has selected
+	pub selection: PlayerSelection,
+
 	/// This player's camera
 	pub camera: Camera,
 
 	/// What buttons this player is pressing
 	pub input: InputStatus,
-
-	/// What the player currently has selected
-	pub selection: Option<()>,
 }
 
 impl PlayerAgent {
@@ -24,7 +46,10 @@ impl PlayerAgent {
 			input: InputStatus::new(),
 			camera: Camera::new(),
 			ship: Some(ship),
-			selection: None,
+			selection: PlayerSelection::OrbitingBody(SystemObjectHandle {
+				system_handle: SystemHandle { index: 0 },
+				body_index: 1,
+			}),
 		}
 	}
 
@@ -45,10 +70,9 @@ impl PlayerAgent {
 	}
 
 	pub fn step(&mut self, ct: &Content, status: PlayerStatus) {
-		if self.input.v_scroll != 0.0 {
+		if self.input.get_v_scroll() != 0.0 {
-			self.camera.zoom = (self.camera.zoom + self.input.v_scroll)
+			self.camera.zoom = (self.camera.zoom + self.input.get_v_scroll())
 				.clamp(ct.get_config().zoom_min, ct.get_config().zoom_max);
-			self.input.v_scroll = 0.0;
 		}
 
 		if status.pos.is_some() {

crates/render/Cargo.toml

@@ -21,6 +21,7 @@ galactica-content = { workspace = true }
 galactica-util = { workspace = true }
 galactica-packer = { workspace = true }
 galactica-system = { workspace = true }
+galactica-playeragent = { workspace = true }
 
 anyhow = { workspace = true }
 cgmath = { workspace = true }

crates/render/src/datastructs.rs

@@ -1,6 +1,7 @@
 use cgmath::Point2;
 use galactica_content::{Content, SystemHandle};
-use galactica_system::phys::{ParticleBuilder, PhysSim, PhysSimShipHandle};
+use galactica_playeragent::PlayerAgent;
+use galactica_system::phys::{ParticleBuilder, PhysSim};
 use galactica_util::timing::Timing;
 use glyphon::{FontSystem, SwashCache, TextAtlas, TextRenderer};
 use std::rc::Rc;
@@ -15,7 +16,7 @@ pub struct RenderInput<'a> {
 	pub camera_pos: Point2<f32>,
 
 	/// Player ship data
-	pub player_ship: PhysSimShipHandle,
+	pub player: &'a PlayerAgent,
 
 	/// The system we're currently in
 	pub current_system: SystemHandle,

crates/render/src/gpustate/phys.rs

@@ -2,7 +2,7 @@
 
 use bytemuck;
 use cgmath::{EuclideanSpace, InnerSpace, Point2, Vector2};
-use galactica_system::phys::util;
+use galactica_system::{data::ShipState, phys::util};
 use galactica_util::constants::OBJECT_SPRITE_INSTANCE_LIMIT;
 
 use crate::{
@@ -19,6 +19,11 @@ impl GPUState {
 		screen_clip: (Point2<f32>, Point2<f32>),
 	) {
 		for ship in state.systemsim.iter_ships() {
+			match ship.data.get_state() {
+				ShipState::Collapsing { .. } | ShipState::Flying => {}
+				ShipState::Landed { .. } => continue,
+			}
+
 			let r = state.systemsim.get_rigid_body(ship.rigid_body).unwrap();
 			let ship_pos = util::rigidbody_position(&r);
 			let ship_rot = util::rigidbody_rotation(r);

crates/render/src/ui/radar.rs

@@ -31,9 +31,21 @@ impl Radar {
 
 		// TODO: maybe a cleaner solution for last posititon?
 		// This is necessary because the player may be dead or landed
-		let player_ship = input.systemsim.get_ship(&input.player_ship).unwrap();
+		let player_ship = input
+			.systemsim
+			.get_ship(&galactica_system::phys::PhysSimShipHandle(
+				input.player.ship.unwrap(),
+			))
+			.unwrap();
 
 		match player_ship.data.get_state() {
+			ShipState::Landed { target } => {
+				let landed_body = input.ct.get_system_object(*target);
+				self.last_player_position = Point2 {
+					x: landed_body.pos.x,
+					y: landed_body.pos.y,
+				};
+			}
 			ShipState::Flying | ShipState::Collapsing { .. } => {
 				let player_body = input
 					.systemsim
@@ -44,6 +56,7 @@ impl Radar {
 			}
 		};
 
+		// TODO: don't hard-code these, add config options
 		let planet_sprite = input.ct.get_sprite_handle("ui::planetblip");
 		let ship_sprite = input.ct.get_sprite_handle("ui::shipblip");
 		let arrow_sprite = input.ct.get_sprite_handle("ui::centerarrow");
@@ -120,6 +133,9 @@ impl Radar {
 			// This will be None if this ship is dead.
 			// Stays around while the physics system runs a collapse sequence
 			let color = match s.data.get_state() {
+				ShipState::Landed { .. } => {
+					continue;
+				}
 				ShipState::Collapsing { .. } => {
 					// TODO: configurable
 					[0.2, 0.2, 0.2, 1.0]

crates/render/src/ui/status.rs

@@ -1,7 +1,6 @@
-use std::f32::consts::TAU;
-
 use galactica_system::data::ShipState;
 use galactica_util::constants::{RADIALBAR_SPRITE_INSTANCE_LIMIT, UI_SPRITE_INSTANCE_LIMIT};
+use std::f32::consts::TAU;
 
 use crate::{
 	datastructs::RenderState,
@@ -30,10 +29,15 @@ impl Status {
 		let current_shields;
 		let current_hull;
 		let max_hull;
-		let player_ship = input.systemsim.get_ship(&input.player_ship).unwrap();
+		let player_ship = input
+			.systemsim
+			.get_ship(&galactica_system::phys::PhysSimShipHandle(
+				input.player.ship.unwrap(),
+			))
+			.unwrap();
 
 		match player_ship.data.get_state() {
-			ShipState::Collapsing { .. } | ShipState::Flying => {
+			ShipState::Landed { .. } | ShipState::Collapsing { .. } | ShipState::Flying => {
 				max_shields = player_ship.data.get_outfits().get_shield_strength();
 				current_shields = player_ship.data.get_shields();
 				current_hull = player_ship.data.get_hull();

crates/system/src/data/ship/ship.rs

@@ -1,7 +1,7 @@
 use std::{collections::HashMap, time::Instant};
 
 use super::{OutfitSet, ShipPersonality};
-use galactica_content::{Content, FactionHandle, GunPoint, Outfit, ShipHandle};
+use galactica_content::{Content, FactionHandle, GunPoint, Outfit, ShipHandle, SystemObjectHandle};
 use rand::{rngs::ThreadRng, Rng};
 
 /// Ship state machine.
@@ -21,9 +21,38 @@ pub enum ShipState {
 		/// How many seconds of the collapse sequence we've played
 		elapsed: f32,
 	},
+
+	/// This ship is landed on a planet
+	Landed {
+		/// The planet this ship is landed on
+		target: SystemObjectHandle,
+	},
 }
 
 impl ShipState {
+	/// Is this ship playing its collapse sequence?
+	pub fn is_collapsing(&self) -> bool {
+		match self {
+			Self::Collapsing { .. } => true,
+			_ => false,
+		}
+	}
+	/// Is this ship flying in open space?
+	pub fn is_flying(&self) -> bool {
+		match self {
+			Self::Flying => true,
+			_ => false,
+		}
+	}
+
+	/// Is this ship landed on a planet?
+	pub fn is_landed(&self) -> bool {
+		match self {
+			Self::Landed { .. } => true,
+			_ => false,
+		}
+	}
+
 	/// True if this ship has been destroyed and has finished it's collapse sequence.
 	/// Ships are deleted once this is true.
 	pub fn should_be_removed(&self) -> bool {
@@ -33,11 +62,11 @@ impl ShipState {
 		}
 	}
 
-	/// Is this ship playing its collapse sequence?
+	/// What planet is this ship landed on?
-	pub fn is_collapsing(&self) -> bool {
+	pub fn landed_on(&self) -> Option<SystemObjectHandle> {
 		match self {
-			Self::Collapsing { .. } => true,
+			Self::Landed { target } => Some(*target),
-			_ => false,
+			_ => None,
 		}
 	}
 
@@ -52,14 +81,6 @@ impl ShipState {
 			_ => None,
 		}
 	}
-
-	/// Is this ship flying in open space?
-	pub fn is_flying(&self) -> bool {
-		match self {
-			Self::Flying => true,
-			_ => false,
-		}
-	}
 }
 
 /// Represents all attributes of a single ship
@@ -115,6 +136,28 @@ impl ShipData {
 		}
 	}
 
+	/// Land this ship on `target`
+	pub fn land_on(&mut self, target: SystemObjectHandle) -> bool {
+		if self.state.is_flying() {
+			self.state = ShipState::Landed { target };
+		} else {
+			return false;
+		}
+
+		return true;
+	}
+
+	/// Take off from `target`
+	pub fn unland(&mut self) -> bool {
+		if self.state.is_landed() {
+			self.state = ShipState::Flying;
+		} else {
+			return false;
+		}
+
+		return true;
+	}
+
 	/// Add an outfit to this ship
 	pub fn add_outfit(&mut self, o: &Outfit) -> super::OutfitAddResult {
 		let r = self.outfits.add(o);
@@ -181,6 +224,20 @@ impl ShipData {
 				*elapsed += t;
 			}
 
+			ShipState::Landed { .. } => {
+				// Cooldown guns
+				for (_, c) in &mut self.gun_cooldowns {
+					if *c > 0.0 {
+						*c = 0.0;
+					}
+				}
+
+				// Regenerate shields
+				if self.shields != self.outfits.get_shield_strength() {
+					self.shields = self.outfits.get_shield_strength();
+				}
+			}
+
 			ShipState::Flying => {
 				// Cooldown guns
 				for (_, c) in &mut self.gun_cooldowns {

crates/system/src/phys/objects/ship.rs

@@ -99,6 +99,7 @@ impl PhysSimShip {
 			ShipState::Flying => {
 				return self.step_live(res, rigid_body, collider);
 			}
+			ShipState::Landed { .. } => {}
 		}
 	}
 

crates/system/src/phys/systemsim.rs

@@ -1,7 +1,7 @@
 use cgmath::{Deg, EuclideanSpace, InnerSpace, Matrix2, Point2, Rad, Vector2, Zero};
 use galactica_content::{
 	Content, FactionHandle, GunPoint, OutfitHandle, ProjectileCollider, Relationship, ShipHandle,
-	SystemHandle,
+	SystemHandle, SystemObjectHandle,
 };
 use galactica_playeragent::PlayerAgent;
 use nalgebra::{point, vector};
@@ -13,7 +13,7 @@ use rapier2d::{
 };
 use std::{collections::HashMap, f32::consts::PI};
 
-use crate::data::ShipPersonality;
+use crate::data::{ShipPersonality, ShipState};
 
 use super::{
 	controller::ShipController,
@@ -67,6 +67,40 @@ impl<'a> PhysSim {
 		return Some((r, p));
 	}
 
+	fn land_ship(&mut self, collider: ColliderHandle, target: SystemObjectHandle) {
+		let ship = self.ships.get_mut(&collider).unwrap();
+		self.rigid_body_set
+			.get_mut(ship.rigid_body)
+			.unwrap()
+			.set_enabled(false);
+		self.collider_set
+			.get_mut(ship.collider)
+			.unwrap()
+			.set_enabled(false);
+
+		ship.data.land_on(target);
+	}
+
+	fn unland_ship(&mut self, ct: &Content, collider: ColliderHandle) {
+		let ship = self.ships.get_mut(&collider).unwrap();
+		let obj = ship.data.get_state().landed_on().unwrap();
+		let obj = ct.get_system_object(obj);
+		ship.data.unland();
+
+		self.rigid_body_set
+			.get_mut(ship.rigid_body)
+			.unwrap()
+			.set_position(point![obj.pos.x, obj.pos.y].into(), true);
+		self.rigid_body_set
+			.get_mut(ship.rigid_body)
+			.unwrap()
+			.set_enabled(true);
+		self.collider_set
+			.get_mut(ship.collider)
+			.unwrap()
+			.set_enabled(true);
+	}
+
 	fn remove_ship(&mut self, res: &mut PhysStepResources, colliderhandle: ColliderHandle) {
 		let ship = match self.ships.get(&colliderhandle) {
 			None => return,
@@ -213,16 +247,31 @@ impl PhysSim {
 	}
 
 	/// Update a player ship's controls
-	pub fn update_player_controls(&mut self, player: &PlayerAgent) {
+	pub fn update_player_controls(&mut self, ct: &Content, player: &PlayerAgent) {
 		if player.ship.is_none() {
 			return;
 		}
 		let ship_object = self.ships.get_mut(&player.ship.unwrap());
 		if let Some(ship_object) = ship_object {
-			ship_object.controls.guns = player.input.key_guns;
+			ship_object.controls.guns = player.input.pressed_guns();
-			ship_object.controls.left = player.input.key_left;
+			ship_object.controls.left = player.input.pressed_left();
-			ship_object.controls.right = player.input.key_right;
+			ship_object.controls.right = player.input.pressed_right();
-			ship_object.controls.thrust = player.input.key_thrust;
+			ship_object.controls.thrust = player.input.pressed_thrust();
+
+			if player.input.pressed_land() {
+				match ship_object.data.get_state() {
+					ShipState::Flying => {
+						self.land_ship(
+							player.ship.unwrap(),
+							player.selection.get_planet().unwrap(),
+						);
+					}
+					ShipState::Landed { .. } => {
+						self.unland_ship(ct, player.ship.unwrap());
+					}
+					_ => {}
+				}
+			}
 		}
 	}
 
@@ -247,48 +296,54 @@ impl PhysSim {
 				continue;
 			}
 
-			// This ship is playing a collapse sequence
+			match ship.data.get_state() {
-			// and needs no additional logic
+				ShipState::Landed { .. } => {}
-			if ship.data.get_state().is_collapsing() {
-				let ship = self.ships.get_mut(&collider).unwrap();
-				ship.step(
-					res,
-					&mut self.rigid_body_set[ship.rigid_body],
-					&mut self.collider_set[ship.collider],
-				);
-				continue;
-			}
 
-			// Compute new controls
+				ShipState::Collapsing { .. } => {
-			let controls;
+					let ship = self.ships.get_mut(&collider).unwrap();
-			let b = self.ship_behaviors.get_mut(&collider).unwrap();
+					ship.step(
-			controls = b.update_controls(&res, &self.rigid_body_set, &self.ships, ship.collider);
+						res,
+						&mut self.rigid_body_set[ship.rigid_body],
+						&mut self.collider_set[ship.collider],
+					);
+				}
 
-			let ship = self.ships.get_mut(&collider).unwrap();
+				ShipState::Flying => {
+					// Compute new controls
+					// This is why we borrow immutably first
+					let controls;
+					let b = self.ship_behaviors.get_mut(&collider).unwrap();
+					controls =
+						b.update_controls(&res, &self.rigid_body_set, &self.ships, ship.collider);
 
-			if let Some(controls) = controls {
+					// Re-borrow mutably to apply changes
-				ship.controls = controls;
+					let ship = self.ships.get_mut(&collider).unwrap();
-			}
-			ship.step(
-				res,
-				&mut self.rigid_body_set[ship.rigid_body],
-				&mut self.collider_set[ship.collider],
-			);
 
-			// If we're firing, try to fire each gun
+					if let Some(controls) = controls {
-			if ship.controls.guns {
+						ship.controls = controls;
-				// TODO: don't allocate here. This is a hack to satisfy the borrow checker,
+					}
-				// convert this to a refcell or do the replace dance.
+					ship.step(
-				let pairs: Vec<(GunPoint, Option<OutfitHandle>)> = ship
+						res,
-					.data
+						&mut self.rigid_body_set[ship.rigid_body],
-					.get_outfits()
+						&mut self.collider_set[ship.collider],
-					.iter_gun_points()
+					);
-					.map(|(p, o)| (p.clone(), o.clone()))
-					.collect();
 
-				for (gun, outfit) in pairs {
+					// If we're firing, try to fire each gun
-					if ship.data.fire_gun(res.ct, &gun) {
+					if ship.controls.guns {
-						projectiles.push((ship.collider, gun.clone(), outfit.unwrap()));
+						// TODO: don't allocate here. This is a hack to satisfy the borrow checker,
+						// convert this to a refcell or do the replace dance.
+						let pairs: Vec<(GunPoint, Option<OutfitHandle>)> = ship
+							.data
+							.get_outfits()
+							.iter_gun_points()
+							.map(|(p, o)| (p.clone(), o.clone()))
+							.collect();
+
+						for (gun, outfit) in pairs {
+							if ship.data.fire_gun(res.ct, &gun) {
+								projectiles.push((ship.collider, gun.clone(), outfit.unwrap()));
+							}
+						}
 					}
 				}
 			}