feat: Control locking

app/ecs-components/controlled.js

@@ -1,4 +1,5 @@
 export default {
+  locked: {type: 'uint8'},
   moveUp: {type: 'float32'},
   moveRight: {type: 'float32'},
   moveDown: {type: 'float32'},

app/ecs-components/forces.js

@@ -0,0 +1,4 @@
+export default {
+  impulseX: {type: 'float32'},
+  impulseY: {type: 'float32'},
+}

app/ecs-components/momentum.js

@@ -1,4 +0,0 @@
-export default {
-  x: {type: 'float32'},
-  y: {type: 'float32'},
-}

app/ecs-systems/apply-control-movement.js

@@ -2,10 +2,23 @@ import {System} from '@/ecs/index.js';
 
 export default class ApplyControlMovement extends System {
 
+  static get priority() {
+    return {
+      before: 'ApplyForces',
+    };
+  }
+
+  static queries() {
+    return {
+      default: ['Controlled', 'Forces', 'Speed'],
+    };
+  }
   tick() {
-    for (const {Controlled, Momentum, Speed} of this.ecs.changed(['Controlled'])) {
-      Momentum.x = Speed.speed * (Controlled.moveRight - Controlled.moveLeft);
-      Momentum.y = Speed.speed * (Controlled.moveDown - Controlled.moveUp);
+    for (const [Controlled, Forces, Speed] of this.select('default')) {
+      if (!Controlled.locked) {
+        Forces.impulseX += Speed.speed * (Controlled.moveRight - Controlled.moveLeft);
+        Forces.impulseY += Speed.speed * (Controlled.moveDown - Controlled.moveUp);
+      }
     }
   }
 

app/ecs-systems/apply-forces.js

@@ -0,0 +1,18 @@
+import {System} from '@/ecs/index.js';
+
+export default class ApplyForces extends System {
+
+  static queries() {
+    return {
+      default: ['Position', 'Forces'],
+    };
+  }
+
+  tick(elapsed) {
+    for (const [Position, Forces] of this.select('default')) {
+      Position.x += elapsed * Forces.impulseX;
+      Position.y += elapsed * Forces.impulseY;
+    }
+  }
+
+}

app/ecs-systems/apply-momentum.js

@@ -1,18 +0,0 @@
-import {System} from '@/ecs/index.js';
-
-export default class ApplyMomentum extends System {
-
-  static queries() {
-    return {
-      default: ['Position', 'Momentum'],
-    };
-  }
-
-  tick(elapsed) {
-    for (const [position, momentum] of this.select('default')) {
-      position.x += elapsed * momentum.x;
-      position.y += elapsed * momentum.y;
-    }
-  }
-
-}

app/ecs-systems/clamp-positions.js

@@ -2,6 +2,12 @@ import {System} from '@/ecs/index.js';
 
 export default class ClampPositions extends System {
 
+  static get priority() {
+    return {
+      after: 'ApplyForces',
+    }
+  }
+
   tick() {
     const {AreaSize} = this.ecs.get(1);
     for (const {Position} of this.ecs.changed(['Position'])) {

app/ecs-systems/control-direction.js

@@ -4,7 +4,10 @@ export default class ControlDirection extends System {
 
   tick() {
     for (const {Controlled, Direction} of this.ecs.changed(['Controlled'])) {
-      const {moveUp, moveRight, moveDown, moveLeft} = Controlled;
+      const {locked, moveUp, moveRight, moveDown, moveLeft} = Controlled;
+      if (locked) {
+        continue;
+      }
       if (moveUp > 0) {
         Direction.direction = 0;
       }

app/ecs-systems/reset-forces.js

@@ -0,0 +1,22 @@
+import {System} from '@/ecs/index.js';
+
+export default class ResetForces extends System {
+
+  static get priority() {
+    return {phase: 'pre'};
+  }
+
+  static queries() {
+    return {
+      default: ['Forces'],
+    };
+  }
+
+  tick() {
+    for (const [Forces] of this.select('default')) {
+      Forces.impulseX = 0;
+      Forces.impulseY = 0;
+    }
+  }
+
+}

app/ecs-systems/run-ticking-promises.js

@@ -2,6 +2,12 @@ import {System} from '@/ecs/index.js';
 
 export default class RunTickingPromises extends System {
 
+  static get priority() {
+    return {
+      phase: 'pre',
+    };
+  }
+
   static queries() {
     return {
       default: ['Ticking'],

app/ecs-systems/sprite-direction.js

@@ -13,8 +13,8 @@ export default class SpriteDirection extends System {
       const entity = this.ecs.get(entityId);
       const parts = [];
       if (entity.Controlled) {
-        const {moveUp, moveRight, moveDown, moveLeft} = entity.Controlled;
-        if (moveUp > 0 || moveRight > 0 || moveDown > 0 || moveLeft > 0) {
+        const {locked, moveUp, moveRight, moveDown, moveLeft} = entity.Controlled;
+        if (!locked && (moveUp > 0 || moveRight > 0 || moveDown > 0 || moveLeft > 0)) {
           parts.push('moving');
         }
         else {

app/engine.js

@@ -85,8 +85,9 @@ export default class Engine {
       },
     });
     const defaultSystems = [
+      'ResetForces',
       'ApplyControlMovement',
-      'ApplyMomentum',
+      'ApplyForces',
       'ClampPositions',
       'FollowCamera',
       'CalculateAabbs',
@@ -111,7 +112,7 @@ export default class Engine {
       Controlled: {},
       Direction: {direction: 2},
       Ecs: {path: join('homesteads', `${id}`)},
-      Momentum: {},
+      Forces: {},
       Inventory: {
         slots: {
           1: {
@@ -233,7 +234,9 @@ export default class Engine {
       const {Controlled, Inventory, Ticking, Wielder} = entity;
       switch (payload.type) {
         case 'changeSlot': {
-          Wielder.activeSlot = payload.value - 1;
+          if (!Controlled.locked) {
+            Wielder.activeSlot = payload.value - 1;
+          }
           break;
         }
         case 'moveUp':
@@ -244,28 +247,33 @@ export default class Engine {
           break;
         }
         case 'swapSlots': {
-          Inventory.swapSlots(...payload.value);
+          if (!Controlled.locked) {
+            Inventory.swapSlots(...payload.value);
+          }
           break;
         }
         case 'use': {
-          Inventory.item(Wielder.activeSlot + 1).then(async (item) => {
-            if (item) {
-              const code = await(
-                this.server.readAsset([
-                  item.source,
-                  payload.value ? 'start.js' : 'stop.js',
-                ].join('/'))
-                  .then((script) => (script.ok ? script.text() : ''))
-              );
-              if (code) {
-                const context = {
-                  item,
-                  wielder: entity,
-                };
-                Ticking.addTickingPromise(Script.tickingPromise(code, context));
+          if (!Controlled.locked) {
+            Inventory.item(Wielder.activeSlot + 1).then(async (item) => {
+              if (item) {
+                const code = await(
+                  this.server.readAsset([
+                    item.source,
+                    payload.value ? 'start.js' : 'stop.js',
+                  ].join('/'))
+                    .then((script) => (script.ok ? script.text() : ''))
+                );
+                if (code) {
+                  const context = {
+                    ecs: this.ecses[entity.Ecs.path],
+                    item,
+                    wielder: entity,
+                  };
+                  Ticking.addTickingPromise(Script.tickingPromise(code, context));
+                }
               }
-            }
-          });
+            });
+          }
           break;
         }
       }

app/engine.test.js

@@ -30,7 +30,7 @@ test('visibility-based updates', async () => {
   const ecs = engine.ecses['homesteads/0'];
   // Create an entity.
   const entity = ecs.get(ecs.create({
-    Momentum: {x: 1, y: 0},
+    Forces: {momentum: {x: 1, y: 0}},
     Position: {x: (RESOLUTION.x * 1.5) + 32 - 3, y: 20},
     VisibleAabb: {},
   }));

public/assets/hoe/start.js

@@ -0,0 +1,19 @@
+const {Controlled, Position, Wielder} = wielder
+const {TileLayers} = ecs.get(1)
+const layer = TileLayers.layer(0)
+const projected = Wielder.project(Position.tile, item.tool.projection)
+
+Controlled.locked = 1;
+
+await wait(1000)
+
+for (let i = 0; i < projected.length; ++i) {
+  if ([1, 2, 3, 4].includes(layer.tile(projected[i]))) {
+    layer.stamp(projected[i], [[6]])
+  }
+  else if ([6].includes(layer.tile(projected[i]))) {
+    layer.stamp(projected[i], [[7]])
+  }
+}
+
+Controlled.locked = 0;