Improved commands, fixed tether orientation

common/src/cmd.rs

@@ -688,12 +688,12 @@ impl ServerChatCommand {
                             .collect(),
                         Optional,
                     ),
-                    Float("destination_degrees_ccw_of_east", 90.0, Optional),
                     Boolean(
                         "Whether the ship should be tethered to the target (or its mount)",
                         "false".to_string(),
                         Optional,
                     ),
+                    Float("destination_degrees_ccw_of_east", 90.0, Optional),
                 ],
                 "Spawns a ship",
                 Some(Admin),

common/src/comp/body/ship.rs

@@ -88,7 +88,7 @@ impl Body {
             Body::Skiff => Vec3::new(7.0, 15.0, 10.0),
             Body::Submarine => Vec3::new(2.0, 15.0, 8.0),
             Body::Carriage => Vec3::new(5.0, 12.0, 2.0),
-            Body::Cart => Vec3::new(5.0, 8.0, 5.0),
+            Body::Cart => Vec3::new(3.0, 6.0, 1.0),
         }
     }
 
@@ -122,14 +122,21 @@ impl Body {
         match self {
             Body::DefaultAirship | Body::AirBalloon | Body::Volume => Density(AIR_DENSITY),
             Body::Submarine => Density(WATER_DENSITY), // Neutrally buoyant
-            Body::Carriage => Density(AIR_DENSITY * 1.5),
-            Body::Cart => Density(AIR_DENSITY * 1.2),
+            Body::Carriage => Density(WATER_DENSITY * 0.5),
+            Body::Cart => Density(500.0 / self.dimensions().product()), /* Carts get a constant
+                                                                          * mass */
             _ => Density(AIR_DENSITY * 0.95 + WATER_DENSITY * 0.05), /* Most boats should be very
                                                                       * buoyant */
         }
     }
 
-    pub fn mass(&self) -> Mass { Mass((self.hull_vol() + self.balloon_vol()) * self.density().0) }
+    pub fn mass(&self) -> Mass {
+        if self.can_fly() {
+            Mass((self.hull_vol() + self.balloon_vol()) * self.density().0)
+        } else {
+            Mass(self.density().0 * self.dimensions().product())
+        }
+    }
 
     pub fn can_fly(&self) -> bool {
         matches!(self, Body::DefaultAirship | Body::AirBalloon | Body::Volume)

common/src/states/utils.rs

@@ -150,7 +150,7 @@ impl Body {
                 quadruped_low::Species::Driggle => 120.0,
                 quadruped_low::Species::HermitAlligator => 120.0,
             },
-            Body::Ship(ship::Body::Carriage) => 35.0,
+            Body::Ship(ship::Body::Carriage) => 40.0,
             Body::Ship(_) => 0.0,
             Body::Arthropod(arthropod) => match arthropod.species {
                 arthropod::Species::Tarantula => 135.0,

common/src/tether.rs

@@ -1,14 +1,11 @@
 use crate::{
     comp,
     link::{Is, Link, LinkHandle, Role},
-    mounting::{Mount, Rider, VolumeRider},
+    mounting::{Rider, VolumeRider},
     uid::{Uid, UidAllocator},
 };
 use serde::{Deserialize, Serialize};
-use specs::{
-    saveload::MarkerAllocator, storage::GenericWriteStorage, Component, DenseVecStorage, Entities,
-    Entity, Read, ReadExpect, ReadStorage, Write, WriteStorage,
-};
+use specs::{saveload::MarkerAllocator, Entities, Read, ReadStorage, WriteStorage};
 use vek::*;
 
 #[derive(Serialize, Deserialize, Debug)]
@@ -44,25 +41,20 @@ impl Link for Tethered {
         WriteStorage<'a, Is<Leader>>,
         WriteStorage<'a, Is<Follower>>,
         ReadStorage<'a, Is<Rider>>,
-        ReadStorage<'a, Is<Mount>>,
         ReadStorage<'a, Is<VolumeRider>>,
     );
     type DeleteData<'a> = (
         Read<'a, UidAllocator>,
         WriteStorage<'a, Is<Leader>>,
         WriteStorage<'a, Is<Follower>>,
-        WriteStorage<'a, comp::Pos>,
-        WriteStorage<'a, comp::ForceUpdate>,
     );
     type Error = TetherError;
     type PersistData<'a> = (
         Read<'a, UidAllocator>,
         Entities<'a>,
         ReadStorage<'a, comp::Health>,
-        ReadStorage<'a, comp::Body>,
         ReadStorage<'a, Is<Leader>>,
         ReadStorage<'a, Is<Follower>>,
-        ReadStorage<'a, comp::CharacterState>,
     );
 
     fn create(
@@ -72,7 +64,6 @@ impl Link for Tethered {
             is_leaders,
             is_followers,
             is_riders,
-            is_mounts,
             is_volume_rider,
         ): &mut Self::CreateData<'_>,
     ) -> Result<(), Self::Error> {
@@ -103,7 +94,7 @@ impl Link for Tethered {
 
     fn persist(
         this: &LinkHandle<Self>,
-        (uid_allocator, entities, healths, bodies, is_leaders, is_followers, character_states): &mut Self::PersistData<'_>,
+        (uid_allocator, entities, healths, is_leaders, is_followers): &mut Self::PersistData<'_>,
     ) -> bool {
         let entity = |uid: Uid| uid_allocator.retrieve_entity_internal(uid.into());
 
@@ -124,9 +115,7 @@ impl Link for Tethered {
 
     fn delete(
         this: &LinkHandle<Self>,
-        (uid_allocator, is_leaders, is_followers, positions, force_update): &mut Self::DeleteData<
-            '_,
-        >,
+        (uid_allocator, is_leaders, is_followers): &mut Self::DeleteData<'_>,
     ) {
         let entity = |uid: Uid| uid_allocator.retrieve_entity_internal(uid.into());
 

common/systems/src/tether.rs

@@ -1,17 +1,16 @@
 use common::{
-    comp::{Body, Collider, InputKind, Mass, Ori, Pos, Scale, Vel},
+    comp::{Body, Mass, Ori, Pos, Scale, Vel},
     link::Is,
     resources::DeltaTime,
-    tether::{Follower, Leader},
+    tether::Follower,
     uid::UidAllocator,
     util::Dir,
 };
 use common_ecs::{Job, Origin, Phase, System};
 use specs::{
     saveload::{Marker, MarkerAllocator},
-    Entities, Join, Read, ReadExpect, ReadStorage, WriteStorage,
+    Entities, Join, Read, ReadStorage, WriteStorage,
 };
-use tracing::error;
 use vek::*;
 
 /// This system is responsible for controlling mounts
@@ -22,14 +21,12 @@ impl<'a> System<'a> for Sys {
         Read<'a, UidAllocator>,
         Entities<'a>,
         Read<'a, DeltaTime>,
-        ReadStorage<'a, Is<Leader>>,
         ReadStorage<'a, Is<Follower>>,
         WriteStorage<'a, Pos>,
         WriteStorage<'a, Vel>,
         WriteStorage<'a, Ori>,
         ReadStorage<'a, Body>,
         ReadStorage<'a, Scale>,
-        ReadStorage<'a, Collider>,
         ReadStorage<'a, Mass>,
     );
 
@@ -43,19 +40,17 @@ impl<'a> System<'a> for Sys {
             uid_allocator,
             entities,
             dt,
-            is_leaders,
             is_followers,
-            mut positions,
+            positions,
             mut velocities,
             mut orientations,
             bodies,
             scales,
-            colliders,
             masses,
         ): Self::SystemData,
     ) {
-        for (follower, is_follower, follower_body) in
-            (&entities, &is_followers, bodies.maybe()).join()
+        for (follower, is_follower, follower_body, scale) in
+            (&entities, &is_followers, bodies.maybe(), scales.maybe()).join()
         {
             let Some(leader) = uid_allocator
                 .retrieve_entity_internal(is_follower.leader.id())
@@ -75,13 +70,15 @@ impl<'a> System<'a> for Sys {
                 let tether_offset = orientations
                     .get(follower)
                     .map(|ori| {
-                        ori.to_quat() * follower_body.map(|b| b.tether_offset()).unwrap_or_default()
+                        ori.to_quat()
+                            * follower_body
+                                .map(|b| b.tether_offset() * scale.copied().unwrap_or(Scale(1.0)).0)
+                                .unwrap_or_default()
                     })
                     .unwrap_or_default();
                 let tether_pos = follower_pos.0 + tether_offset;
-                let pull_factor = (leader_pos.0.distance(tether_pos) - is_follower.tether_length)
-                    .clamp(0.0, 1.0)
-                    .powf(2.0);
+                let pull_factor =
+                    (leader_pos.0.distance(tether_pos) - is_follower.tether_length).max(0.0);
                 let strength = pull_factor * 50000.0;
                 let pull_dir = (leader_pos.0 - follower_pos.0)
                     .try_normalized()
@@ -93,9 +90,10 @@ impl<'a> System<'a> for Sys {
                 velocities.get_mut(leader).unwrap().0 -= impulse / leader_mass.0;
 
                 if let Some(follower_ori) = orientations.get_mut(follower) {
-                    let turn_strength = pull_factor.min(0.2)
-                        // * (tether_offset.magnitude() - tether_offset.dot(pull_dir).abs())
-                        * 50.0;
+                    let turn_strength = pull_factor
+                        * (tether_offset.magnitude() * (leader_pos.0 - tether_pos).magnitude()
+                            - tether_offset.dot(leader_pos.0 - tether_pos).abs())
+                        * 2.0;
                     let target_ori = follower_ori.yawed_towards(Dir::new(pull_dir));
                     *follower_ori = follower_ori.slerped_towards(target_ori, turn_strength * dt.0);
                 }

server/src/cmd.rs

@@ -1778,7 +1778,7 @@ fn handle_spawn_ship(
     args: Vec<String>,
     _action: &ServerChatCommand,
 ) -> CmdResult<()> {
-    let (body_name, angle, tethered) = parse_cmd_args!(args, String, f32, bool);
+    let (body_name, tethered, angle) = parse_cmd_args!(args, String, bool, f32);
     let mut pos = position(server, target, "target")?;
     pos.0.z += 2.0;
     const DESTINATION_RADIUS: f32 = 2000.0;
@@ -1798,15 +1798,15 @@ fn handle_spawn_ship(
         .state
         .create_ship(pos, ori, ship, |ship| ship.make_collider());
 
-    // if let Some(pos) = destination {
-    //     let (kp, ki, kd) =
-    //         comp::agent::pid_coefficients(&comp::Body::Ship(ship)).unwrap_or((1.
-    // 0, 0.0, 0.0));     fn pure_z(sp: Vec3<f32>, pv: Vec3<f32>) -> f32 { (sp -
-    // pv).z }     let agent = comp::Agent::from_body(&comp::Body::Ship(ship))
-    //         .with_destination(pos)
-    //         .with_position_pid_controller(comp::PidController::new(kp, ki, kd,
-    // pos, 0.0, pure_z));     builder = builder.with(agent);
-    // }
+    if let Some(pos) = destination {
+        let (kp, ki, kd) =
+            comp::agent::pid_coefficients(&comp::Body::Ship(ship)).unwrap_or((1.0, 0.0, 0.0));
+        fn pure_z(sp: Vec3<f32>, pv: Vec3<f32>) -> f32 { (sp - pv).z }
+        let agent = comp::Agent::from_body(&comp::Body::Ship(ship))
+            .with_destination(pos)
+            .with_position_pid_controller(comp::PidController::new(kp, ki, kd, pos, 0.0, pure_z));
+        builder = builder.with(agent);
+    }
 
     let new_entity = builder.build();