feat: turret moment

packages/website/src/components/Tankopedia/HeroSection/components/TankSandbox/components/SceneProps.tsx

@@ -2,20 +2,28 @@ import { useFrame, useLoader } from '@react-three/fiber';
 import { clamp } from 'lodash-es';
 import { useRef } from 'react';
 import {
+  ArrowHelper,
   AxesHelper,
   Group,
   MeshStandardMaterial,
   TextureLoader,
   Vector2,
+  Vector3,
 } from 'three';
+import { awaitableModelDefinitions } from '../../../../../../core/awaitables/modelDefinitions';
+import { applyPitchYawLimits } from '../../../../../../core/blitz/applyPitchYawLimits';
+import { modelTransformEvent } from '../../../../../../core/blitzkit/modelTransform';
+import { Duel } from '../../../../../../stores/duel';
 import { TankopediaEphemeral } from '../../../../../../stores/tankopediaEphemeral';
 import { TankopediaPersistent } from '../../../../../../stores/tankopediaPersistent';
 import { TankopediaDisplay } from '../../../../../../stores/tankopediaPersistent/constants';
 
 const emptyVector = new Vector2();
+const modelDefinitions = await awaitableModelDefinitions;
 
 export function SceneProps() {
-  const helper = useRef<AxesHelper>(null);
+  const shellTargetHelper = useRef<AxesHelper>(null);
+  const shellPathHelper = useRef<ArrowHelper>(null);
   const show = TankopediaPersistent.use(
     (state) => state.showGrid && !state.showEnvironment,
   );
@@ -23,6 +31,44 @@ export function SceneProps() {
   const material = useRef<MeshStandardMaterial>(null);
   const display = TankopediaEphemeral.use((state) => state.display);
   const playground = useRef<Group>(null);
+  const protagonistTurret = Duel.use((state) => state.protagonist.turret);
+  const protagonistTrack = Duel.use((state) => state.protagonist.track);
+  const protagonistTank = Duel.use((state) => state.protagonist.tank);
+  const protagonistGun = Duel.use((state) => state.protagonist.gun);
+  const protagonistModelDefinition =
+    modelDefinitions.models[protagonistTank.id];
+  const protagonistTrackModelDefinition =
+    modelDefinitions.models[protagonistTank.id].tracks[protagonistTrack.id];
+  const protagonistGunModelDefinition =
+    protagonistModelDefinition.turrets[protagonistTurret.id].guns[
+      protagonistGun.gun_type!.value.base.id
+    ];
+  const protagonistTurretModelDefinition =
+    protagonistModelDefinition.turrets[protagonistTurret.id];
+  const protagonistHullOrigin = new Vector3(
+    protagonistTrackModelDefinition.origin.x,
+    protagonistTrackModelDefinition.origin.y,
+    -protagonistTrackModelDefinition.origin.z,
+  );
+  const protagonistTurretOrigin = new Vector3(
+    protagonistModelDefinition.turret_origin.x,
+    protagonistModelDefinition.turret_origin.y,
+    -protagonistModelDefinition.turret_origin.z,
+  );
+  const protagonistGunOrigin = new Vector3(
+    protagonistTurretModelDefinition.gun_origin.x,
+    protagonistTurretModelDefinition.gun_origin.y,
+    -protagonistTurretModelDefinition.gun_origin.z,
+  );
+  const protagonistGunOriginOnlyY = new Vector3(
+    0,
+    protagonistTurretModelDefinition.gun_origin.y,
+    0,
+  );
+  const shellOrigin = new Vector3()
+    .add(protagonistHullOrigin)
+    .add(protagonistTurretOrigin)
+    .add(protagonistGunOriginOnlyY);
 
   useFrame(({ camera }) => {
     if (!material.current) return;
@@ -31,11 +77,12 @@ export function SceneProps() {
 
   texture.anisotropy = 2;
 
-  useFrame(({ raycaster, scene, camera }) => {
+  useFrame(({ raycaster, camera, clock }) => {
     if (
       display !== TankopediaDisplay.ShootingRange ||
       !playground.current ||
-      !helper.current
+      !shellTargetHelper.current ||
+      !shellPathHelper.current
     ) {
       return;
     }
@@ -49,7 +96,21 @@ export function SceneProps() {
 
     if (intersections.length === 0) return;
 
-    helper.current.position.copy(intersections[0].point);
+    const target = intersections[0].point;
+    const path = target.clone().sub(shellOrigin);
+    const direction = path.clone().normalize();
+
+    shellTargetHelper.current.position.copy(intersections[0].point);
+    shellPathHelper.current.setDirection(direction);
+    shellPathHelper.current.setLength(path.length());
+
+    const [pitch, yaw] = applyPitchYawLimits(
+      Math.asin(direction.y),
+      Math.atan2(-direction.x, -direction.z),
+      protagonistGunModelDefinition.pitch,
+    );
+
+    modelTransformEvent.emit({ pitch, yaw });
   });
 
   return (
@@ -63,7 +124,8 @@ export function SceneProps() {
 
       {display === TankopediaDisplay.ShootingRange && (
         <>
-          <axesHelper ref={helper} />
+          <axesHelper ref={shellTargetHelper} />
+          <arrowHelper ref={shellPathHelper} position={shellOrigin} />
 
           <group ref={playground}>
             <mesh rotation={[-Math.PI / 2, 0, 0]} receiveShadow>
@@ -80,6 +142,11 @@ export function SceneProps() {
               <boxGeometry args={[1, 3, 1]} />
               <meshStandardMaterial color={0xff8040} />
             </mesh>
+
+            <mesh position={shellOrigin}>
+              <sphereGeometry args={[0.1, 32, 32]} />
+              <meshStandardMaterial depthTest={false} />
+            </mesh>
           </group>
         </>
       )}