tank model and collision

bun.lock

@@ -5,6 +5,7 @@
     "": {
       "name": "blitzkit",
       "dependencies": {
+        "@gltf-transform/extensions": "^4.4.2",
         "lz4js": "^0.2.0",
         "sharp": "^0.34.5",
         "typescript": "^5.9.3",
@@ -106,6 +107,8 @@
         "@blitzkit/core": "workspace:*",
         "@blitzkit/i18n": "workspace:*",
         "@fontsource/inter": "^5.2.8",
+        "@gltf-transform/core": "^4.4.2",
+        "@gltf-transform/functions": "^4.4.2",
         "@radix-ui/colors": "^3.0.0",
         "@radix-ui/react-icons": "^1.3.2",
         "@radix-ui/themes": "^3.2.1",
@@ -455,7 +458,7 @@
 
     "@gltf-transform/core": ["@gltf-transform/[email protected]", "", { "dependencies": { "property-graph": "^3.0.0" } }, "sha512-qKhrQ29KJ9K6sz7xGoGRllqPBlROjPJMQPvCLBOfgMPH3S/Ph5E0e6fD5WmwTY5QPyBsDMRqKd1Vl0ncThTXGw=="],
 
-    "@gltf-transform/extensions": ["@gltf-transform/extensions@4.2.1", "", { "dependencies": { "@gltf-transform/core": "^4.2.1", "ktx-parse": "^1.0.1" } }, "sha512-ieHSJU9qvb3ucWDxgHFcff+C7fLtFPa6G0Wtc/ki7GsN6Rh7o9eoyqi7Ggj2LO4i3ynCwLLPb/onbJKw2fBtsA=="],
+    "@gltf-transform/extensions": ["@gltf-transform/extensions@4.4.2", "", { "dependencies": { "@gltf-transform/core": "^4.4.2", "ktx-parse": "^1.1.0" } }, "sha512-HJH1FM+edC5eNvl6xO0SOXJ/j/3oDoIpSu150OTdJaLBoM3TgCCGIfh4wyhgWAqZrkvgHKVGiZKxcKV5LkgPCQ=="],
 
     "@gltf-transform/functions": ["@gltf-transform/[email protected]", "", { "dependencies": { "@gltf-transform/core": "^4.2.1", "@gltf-transform/extensions": "^4.2.1", "ktx-parse": "^1.0.1", "ndarray": "^1.0.19", "ndarray-lanczos": "^0.3.0", "ndarray-pixels": "^5.0.1" } }, "sha512-hFCI80N6zt7yHlqXbzlYEYQbFwK+2OOZNvacrRtrWiCWKI0k1Ad5+nZFsmuIZZV03aXb5XG6UF7JINT3wETS1Q=="],
 
@@ -2521,6 +2524,16 @@
 
     "@babel/preset-env/semver": ["[email protected]", "", { "bin": { "semver": "bin/semver.js" } }, "sha512-BR7VvDCVHO+q2xBEWskxS6DJE1qRnb7DxzUrogb71CWoSficBxYsiAGd+Kl0mmq/MprG9yArRkyrQxTO6XjMzA=="],
 
+    "@blitzkit/scripts/@gltf-transform/extensions": ["@gltf-transform/[email protected]", "", { "dependencies": { "@gltf-transform/core": "^4.2.1", "ktx-parse": "^1.0.1" } }, "sha512-ieHSJU9qvb3ucWDxgHFcff+C7fLtFPa6G0Wtc/ki7GsN6Rh7o9eoyqi7Ggj2LO4i3ynCwLLPb/onbJKw2fBtsA=="],
+
+    "@blitzkit/website/@gltf-transform/core": ["@gltf-transform/[email protected]", "", { "dependencies": { "property-graph": "^4.1.0" } }, "sha512-qsWKwNSwK+2s834Mt4xbYcyHqCrgNFP7hIv5s487JxebngRfDgelpghNF+kSswGb2/NuapasfK3UViFoSJJoMg=="],
+
+    "@blitzkit/website/@gltf-transform/functions": ["@gltf-transform/[email protected]", "", { "dependencies": { "@gltf-transform/core": "^4.4.2", "@gltf-transform/extensions": "^4.4.2", "ktx-parse": "^1.1.0", "ndarray": "^1.0.19", "ndarray-lanczos": "^0.3.0", "ndarray-pixels": "^5.0.1" } }, "sha512-dclXgv9TshMaWBqPDUYd4xTwBQ2PpuR8p0Y9pokrRzGQDUPXRP6lTDzbqT0UmEmxFSvRyPJjvOWUmzeiRafpvw=="],
+
+    "@gltf-transform/extensions/@gltf-transform/core": ["@gltf-transform/[email protected]", "", { "dependencies": { "property-graph": "^4.1.0" } }, "sha512-qsWKwNSwK+2s834Mt4xbYcyHqCrgNFP7hIv5s487JxebngRfDgelpghNF+kSswGb2/NuapasfK3UViFoSJJoMg=="],
+
+    "@gltf-transform/functions/@gltf-transform/extensions": ["@gltf-transform/[email protected]", "", { "dependencies": { "@gltf-transform/core": "^4.2.1", "ktx-parse": "^1.0.1" } }, "sha512-ieHSJU9qvb3ucWDxgHFcff+C7fLtFPa6G0Wtc/ki7GsN6Rh7o9eoyqi7Ggj2LO4i3ynCwLLPb/onbJKw2fBtsA=="],
+
     "@jimp/core/file-type": ["[email protected]", "", { "dependencies": { "readable-web-to-node-stream": "^3.0.0", "strtok3": "^6.2.4", "token-types": "^4.1.1" } }, "sha512-/yFHK0aGjFEgDJjEKP0pWCplsPFPhwyfwevf/pVxiN0tmE4L9LmwWxWukdJSHdoCli4VgQLehjJtwQBnqmsKcw=="],
 
     "@octokit/endpoint/@octokit/types": ["@octokit/[email protected]", "", { "dependencies": { "@octokit/openapi-types": "^25.1.0" } }, "sha512-1y6DgTy8Jomcpu33N+p5w58l6xyt55Ar2I91RPiIA0xCJBXyUAhXCcmZaDWSANiha7R9a6qJJ2CRomGPZ6f46g=="],
@@ -2701,6 +2714,10 @@
 
     "yaml-language-server/yaml": ["[email protected]", "", {}, "sha512-CBKFWExMn46Foo4cldiChEzn7S7SRV+wqiluAb6xmueD/fGyRHIhX8m14vVGgeFWjN540nKCNVj6P21eQjgTuA=="],
 
+    "@blitzkit/website/@gltf-transform/core/property-graph": ["[email protected]", "", {}, "sha512-AvPcP7XECNWy4LGmFQ77k7un4lSKM4eS29PTvW4ck95uYeLxXPWJM7hLuBqK91FaHqCcgJvIUCuNJjjxKE7VKQ=="],
+
+    "@gltf-transform/extensions/@gltf-transform/core/property-graph": ["[email protected]", "", {}, "sha512-AvPcP7XECNWy4LGmFQ77k7un4lSKM4eS29PTvW4ck95uYeLxXPWJM7hLuBqK91FaHqCcgJvIUCuNJjjxKE7VKQ=="],
+
     "@octokit/endpoint/@octokit/types/@octokit/openapi-types": ["@octokit/[email protected]", "", {}, "sha512-idsIggNXUKkk0+BExUn1dQ92sfysJrje03Q0bv0e+KPLrvyqZF8MnBpFz8UNfYDwB3Ie7Z0TByjWfzxt7vseaA=="],
 
     "@octokit/graphql/@octokit/types/@octokit/openapi-types": ["@octokit/[email protected]", "", {}, "sha512-idsIggNXUKkk0+BExUn1dQ92sfysJrje03Q0bv0e+KPLrvyqZF8MnBpFz8UNfYDwB3Ie7Z0TByjWfzxt7vseaA=="],

package.json

@@ -11,6 +11,7 @@
     "packages/*"
   ],
   "dependencies": {
+    "@gltf-transform/extensions": "^4.4.2",
     "lz4js": "^0.2.0",
     "sharp": "^0.34.5",
     "typescript": "^5.9.3"

packages/core/src/blitzkit/api/client.ts

@@ -2,9 +2,11 @@ import { fetchPB } from "../../protobuf";
 import {
   CamouflageDefinitions,
   ConsumableDefinitions,
+  EquipmentDefinitions,
   GameDefinitions,
   ModelDefinitions,
   ProvisionDefinitions,
+  SkillDefinitions,
   TankDefinitions,
 } from "../../protos";
 import { BlitzKitAPI } from "./base";
@@ -33,4 +35,12 @@ export class ClientBlitzKitAPI extends BlitzKitAPI {
   modelDefinitions() {
     return fetchPB("/api/definitions/models.pb", ModelDefinitions);
   }
+
+  skillDefinitions() {
+    return fetchPB("/api/definitions/skills.pb", SkillDefinitions);
+  }
+
+  equipmentDefinitions() {
+    return fetchPB("/api/definitions/equipment.pb", EquipmentDefinitions);
+  }
 }

packages/scripts/src/buildAssets/tankArmors.ts

@@ -1,36 +0,0 @@
-import { toUniqueId } from "@blitzkit/core";
-import { NodeIO } from "@gltf-transform/core";
-import { extractArmor } from "../core/blitz/extractArmor";
-import { AssetUploader } from "../core/github/assetUploader";
-import { vfs } from "./constants";
-import { VehicleDefinitionList } from "./definitions";
-
-export async function tankArmors() {
-  console.log("Building tank armors...");
-
-  using uploader = new AssetUploader("tank armors");
-  const nodeIO = new NodeIO();
-  const nations = await vfs
-    .dir(`Data/XML/item_defs/vehicles`)
-    .then((files) => files.filter((nation) => nation !== "common"));
-
-  for (const nation of nations) {
-    const tanks = await vfs.xml<{ root: VehicleDefinitionList }>(
-      `Data/XML/item_defs/vehicles/${nation}/list.xml`,
-    );
-
-    for (const tankKey in tanks.root) {
-      const tank = tanks.root[tankKey];
-
-      if (tankKey.includes("tutorial_bot")) continue;
-
-      const id = toUniqueId(nation, tank.id);
-      const model = await extractArmor(vfs, `${nation}-${tankKey}`);
-      const content = await nodeIO.writeBinary(model);
-
-      await uploader.add({ path: `3d/tanks/armor/${id}.glb`, content });
-    }
-  }
-
-  await uploader.flush();
-}

packages/scripts/src/core/blitz/extractModel/constants.ts

@@ -1,15 +0,0 @@
-import { VertexAttribute, vertexAttributeVectorSizes } from "@blitzkit/core";
-
-export const vertexAttributeGLTFName: Partial<Record<VertexAttribute, string>> =
-  {
-    [VertexAttribute.VERTEX]: "POSITION",
-    [VertexAttribute.NORMAL]: "NORMAL",
-    [VertexAttribute.TEXCOORD0]: "TEXCOORD_0",
-    [VertexAttribute.TEXCOORD1]: "TEXCOORD_1",
-    [VertexAttribute.TEXCOORD2]: "TEXCOORD_2",
-    [VertexAttribute.TEXCOORD3]: "TEXCOORD_3",
-  };
-export const vertexAttributeGltfVectorSizes = {
-  ...vertexAttributeVectorSizes,
-  [VertexAttribute.TANGENT]: 4,
-} as const;

packages/scripts/src/core/blitz/readBaseColor.ts

@@ -1,50 +0,0 @@
-import sharp from "sharp";
-import { readTexture } from "./readTexture";
-
-export async function readBaseColor(path: string, occlusionPath?: string) {
-  let hasAlpha = false;
-  const baseRaw = await readTexture(path);
-  const occlusionRaw = occlusionPath
-    ? await readTexture(occlusionPath)
-    : undefined;
-  const base = await sharp(baseRaw.data, { raw: baseRaw }).raw().toBuffer();
-  const occlusion = occlusionRaw
-    ? await sharp(occlusionRaw.data, { raw: occlusionRaw })
-        .extractChannel(3)
-        .raw()
-        .toBuffer()
-    : undefined;
-
-  const combined = Buffer.alloc(baseRaw.width * baseRaw.height * 4);
-
-  for (let i = 0; i < baseRaw.width * baseRaw.height; i++) {
-    let c = 1;
-
-    if (occlusionRaw) {
-      const x = i % baseRaw.width;
-      const y = Math.floor(i / baseRaw.width);
-      const u = Math.floor(x * (occlusionRaw.width / baseRaw.width));
-      const v = Math.floor(y * (occlusionRaw.height / baseRaw.height));
-
-      const occlusionI = u + v * occlusionRaw.width;
-
-      c = occlusion![occlusionI] / 255;
-    }
-
-    const alpha = base[i * 4 + 3];
-    hasAlpha ||= alpha < 255;
-
-    combined[i * 4 + 0] = Math.round(base[i * 4 + 0] * c);
-    combined[i * 4 + 1] = Math.round(base[i * 4 + 1] * c);
-    combined[i * 4 + 2] = Math.round(base[i * 4 + 2] * c);
-    combined[i * 4 + 3] = alpha;
-  }
-
-  const image = await sharp(combined, {
-    raw: { width: baseRaw.width, height: baseRaw.height, channels: 4 },
-  })
-    .webp()
-    .toBuffer();
-
-  return { hasAlpha, image };
-}

packages/scripts/src/core/blitz/readNormal.ts

@@ -1,29 +0,0 @@
-import sharp from "sharp";
-import { readTexture } from "./readTexture";
-
-export async function readNormal(path: string, isBase: boolean) {
-  const raw = await readTexture(path);
-
-  if (!isBase) {
-    return await sharp(raw.data, { raw }).removeAlpha().jpeg().toBuffer();
-  }
-
-  const bytes = 4 * raw.width * raw.height;
-
-  for (let index = 0; index < bytes; index += 4) {
-    /**
-     * Red is always 255 and blue is always 0. Only alpha and green contain any
-     * sort of information.
-     */
-    let x = raw.data[index + 3] * (2 / 255) - 1;
-    let y = raw.data[index + 1] * (2 / 255) - 1;
-    let z = Math.sqrt(Math.max(0, 1 - x ** 2 - y ** 2));
-
-    raw.data[index] = Math.round((x + 1) * (255 / 2));
-    raw.data[index + 1] = Math.round((y + 1) * (255 / 2));
-    raw.data[index + 2] = Math.round((z + 1) * (255 / 2));
-    raw.data[index + 3] = 255;
-  }
-
-  return await sharp(raw.data, { raw }).webp().toBuffer();
-}

packages/scripts/src/core/blitz/readRoughnessMetallic.ts

@@ -1,24 +0,0 @@
-import sharp from "sharp";
-import { readTexture } from "./readTexture";
-
-export async function readRoughnessMetallic(path: string) {
-  const raw = await readTexture(path);
-  const blitz = sharp(raw.data, { raw: raw });
-  const metallicness = await blitz?.extractChannel(1).raw().toBuffer();
-  const roughness = await blitz?.extractChannel(3).raw().toBuffer();
-
-  const combined = Buffer.alloc(raw.width * raw.height * 3);
-
-  for (let i = 0; i < raw.width * raw.height; i++) {
-    combined[i * 3 + 1] = roughness[i];
-    combined[i * 3 + 2] = metallicness[i];
-  }
-
-  const image = await sharp(combined, {
-    raw: { width: raw.width, height: raw.height, channels: 3 },
-  })
-    .webp()
-    .toBuffer();
-
-  return image;
-}

packages/scripts/src/core/blitz/readTexture/constants.ts

@@ -1,6 +0,0 @@
-export enum TextureMutation {
-  Normal,
-  RoughnessMetallicness,
-  Albedo,
-  Miscellaneous,
-}

packages/scripts/src/core/blitz/readTexture/index.ts

@@ -1,17 +0,0 @@
-import { DdsReadStream, PvrReadStream } from "@blitzkit/core";
-import { vfs } from "../../../buildAssets/constants";
-
-export async function readTexture(path: string) {
-  const ddsTexturePath = path.replace(".tex", ".dx11.dds");
-  const isDds = await vfs.resolve(ddsTexturePath);
-  const resolvedTexturePath = isDds
-    ? ddsTexturePath
-    : ddsTexturePath.replace(".dds", ".pvr");
-  const file = await vfs.file(resolvedTexturePath);
-
-  const raw = isDds
-    ? await new DdsReadStream(file.buffer as ArrayBuffer).dds()
-    : new PvrReadStream(file.buffer as ArrayBuffer).pvr();
-
-  return raw;
-}

packages/website/package.json

@@ -16,6 +16,8 @@
     "@blitzkit/core": "workspace:*",
     "@blitzkit/i18n": "workspace:*",
     "@fontsource/inter": "^5.2.8",
+    "@gltf-transform/core": "^4.4.2",
+    "@gltf-transform/functions": "^4.4.2",
     "@radix-ui/colors": "^3.0.0",
     "@radix-ui/react-icons": "^1.3.2",
     "@radix-ui/themes": "^3.2.1",

packages/website/src/components/Tankopedia/HeroSection/components/Options/components/DynamicArmorSwitcher.tsx

@@ -1,4 +1,3 @@
-import { asset } from "@blitzkit/core";
 import { IconButton } from "@radix-ui/themes";
 import { useArmor } from "../../../../../../hooks/useArmor";
 import { Duel } from "../../../../../../stores/duel";
@@ -7,7 +6,7 @@ import { Tankopedia } from "../../../../../../stores/tankopedia";
 export function DynamicArmorSwitcher() {
   const tank = Duel.use((state) => state.protagonist.tank);
   const isDynamicArmorActive = Duel.use((state) =>
-    state.protagonist.consumables.includes(73)
+    state.protagonist.consumables.includes(73),
   );
   const { hasDynamicArmor } = useArmor(tank.id);
 
@@ -38,7 +37,7 @@ export function DynamicArmorSwitcher() {
     >
       <img
         alt="Dynamic Armor"
-        src={asset("icons/consumables/73.webp")}
+        src={"/api/icons/consumables/73.webp"}
         style={{
           width: "50%",
           height: "50%",

packages/website/src/components/Tankopedia/TechTreeSection/components/Node.tsx

@@ -79,7 +79,7 @@ export function Node({ id, highlight, nextIds, skeleton }: NodeProps) {
         >
           <img
             alt={unwrap(tank.name!)}
-            src={asset(`icons/tanks/big/${id}.webp`)}
+            src={`/api/tanks/${id}/icons/big.webp`}
             width={64}
             height={64}
             style={{
@@ -99,7 +99,7 @@ export function Node({ id, highlight, nextIds, skeleton }: NodeProps) {
                 <Flex gap="1" align="center">
                   <img
                     alt="XP"
-                    src={asset("icons/currencies/xp.webp")}
+                    src={"/api/icons/currencies/xp.webp"}
                     style={{
                       width: "1em",
                       height: "1em",
@@ -114,7 +114,7 @@ export function Node({ id, highlight, nextIds, skeleton }: NodeProps) {
                 <Flex gap="1" align="center">
                   <img
                     alt="Silver"
-                    src={asset("icons/currencies/silver.webp")}
+                    src={"/api/icons/currencies/silver.webp"}
                     style={{
                       width: "1em",
                       height: "1em",

packages/website/src/components/Tankopedia/TechTreeSection/index.tsx

@@ -121,7 +121,7 @@ export function TechTreeSection({ skeleton }: MaybeSkeletonComponentProps) {
               <Flex gap="1" align="center">
                 <img
                   alt="Silver"
-                  src={asset("icons/currencies/silver.webp")}
+                  src={"/api/icons/currencies/silver.webp"}
                   style={{
                     width: "1em",
                     height: "1em",

packages/website/src/hooks/useArmor.ts

@@ -1,10 +1,9 @@
-import { asset } from "@blitzkit/core";
 import { useLoader } from "@react-three/fiber";
 import { GLTFLoader } from "three-stdlib";
 import { useDispose } from "./useDispose";
 
 export function useArmor(id: number) {
-  const path = asset(`3d/tanks/armor/${id}.glb`);
+  const path = `/api/tanks/${id}/collision.glb`;
   const gltf = useLoader(GLTFLoader, path);
 
   useDispose(gltf, path);

packages/website/src/pages/[...chunk_api]/definitions/equipment.pb.ts

@@ -0,0 +1,11 @@
+import { EquipmentDefinitions } from "@blitzkit/core";
+import { api } from "../../../core/blitzkit/api";
+
+export { getStaticPaths } from "../_index";
+
+export async function GET() {
+  const definitions = await api.equipmentDefinitions();
+  const bytes = EquipmentDefinitions.encode(definitions).finish();
+
+  return new Response(bytes);
+}

packages/website/src/pages/[...chunk_api]/definitions/skills.pb.ts

@@ -0,0 +1,11 @@
+import { SkillDefinitions } from "@blitzkit/core";
+import { api } from "../../../core/blitzkit/api";
+
+export { getStaticPaths } from "../_index";
+
+export async function GET() {
+  const definitions = await api.skillDefinitions();
+  const bytes = SkillDefinitions.encode(definitions).finish();
+
+  return new Response(bytes);
+}

packages/website/src/pages/[...chunk_api]/tanks/[id]/collision.glb.ts

@@ -1,18 +1,49 @@
 import {
-  Hierarchy,
   Sc2ReadStream,
   ScgReadStream,
+  toUniqueId,
   VertexAttribute,
+  vertexAttributeVectorSizes,
+  type Hierarchy,
+  type VehicleDefinitionList,
 } from "@blitzkit/core";
-import { Accessor, Document, Node, Scene } from "@gltf-transform/core";
+import type { AbstractVFS } from "@blitzkit/core/src/blitzkit/vfs/abstract";
+import { Accessor, Document, Node, NodeIO, Scene } from "@gltf-transform/core";
+import type { APIContext } from "astro";
 import { times } from "lodash-es";
-import { AbstractVFS } from "../vfs/abstract";
+import { vfs } from "../../../../core/blitzkit/vfs";
-import {
-  vertexAttributeGLTFName,
-  vertexAttributeGltfVectorSizes,
-} from "./extractModel/constants";
 
-export async function extractArmor(vfs: AbstractVFS, fileName: string) {
+export { getStaticPaths } from "./_index";
+
+export async function GET({ props }: APIContext<{ id: number }>) {
+  const nodeIO = new NodeIO();
+  const nations = await vfs
+    .dir(`Data/XML/item_defs/vehicles`)
+    .then((files) => files.filter((nation) => nation !== "common"));
+
+  for (const nation of nations) {
+    const tanks = await vfs.xml<{ root: VehicleDefinitionList }>(
+      `Data/XML/item_defs/vehicles/${nation}/list.xml`,
+    );
+
+    for (const tankKey in tanks.root) {
+      const tank = tanks.root[tankKey];
+
+      if (tankKey.includes("tutorial_bot")) continue;
+
+      const id = toUniqueId(nation, tank.id);
+
+      if (id !== props.id) continue;
+
+      const model = await extractArmor(vfs, `${nation}-${tankKey}`);
+      const bytes = await nodeIO.writeBinary(model);
+
+      return new Response(bytes);
+    }
+  }
+}
+
+async function extractArmor(vfs: AbstractVFS, fileName: string) {
   const sc2Path = `Data/3d/Tanks/CollisionMeshes/${fileName}.sc2`;
   const scgPath = `Data/3d/Tanks/CollisionMeshes/${fileName}.scg`;
   const sc2 = new Sc2ReadStream(
@@ -141,4 +172,18 @@ export async function extractArmor(vfs: AbstractVFS, fileName: string) {
   parseHierarchies(sc2["#hierarchy"], scene);
 
   return document;
-}
+}
+
+export const vertexAttributeGLTFName: Partial<Record<VertexAttribute, string>> =
+  {
+    [VertexAttribute.VERTEX]: "POSITION",
+    [VertexAttribute.NORMAL]: "NORMAL",
+    [VertexAttribute.TEXCOORD0]: "TEXCOORD_0",
+    [VertexAttribute.TEXCOORD1]: "TEXCOORD_1",
+    [VertexAttribute.TEXCOORD2]: "TEXCOORD_2",
+    [VertexAttribute.TEXCOORD3]: "TEXCOORD_3",
+  };
+export const vertexAttributeGltfVectorSizes = {
+  ...vertexAttributeVectorSizes,
+  [VertexAttribute.TANGENT]: 4,
+} as const;

packages/website/src/pages/[...chunk_api]/tanks/[id]/model.glb.ts

@@ -1,24 +1,66 @@
 import {
   bufferToBigInt,
-  ConfigArchive,
+  DdsReadStream,
-  Hierarchy,
+  PvrReadStream,
   Sc2ReadStream,
   ScgReadStream,
-  Textures,
+  toUniqueId,
   VertexAttribute,
+  type ConfigArchive,
+  type Hierarchy,
+  type TankParameters,
+  type Textures,
+  type VehicleDefinitionList,
 } from "@blitzkit/core";
-import { Document, Material, Node, Scene } from "@gltf-transform/core";
+import type { AbstractVFS } from "@blitzkit/core/src/blitzkit/vfs/abstract";
+import { Document, Material, Node, NodeIO, Scene } from "@gltf-transform/core";
+import { ALL_EXTENSIONS } from "@gltf-transform/extensions";
 import { dedup, prune } from "@gltf-transform/functions";
+import type { APIContext } from "astro";
 import { times } from "lodash-es";
 import { dirname } from "path";
-import { AbstractVFS } from "../../vfs/abstract";
+import sharp from "sharp";
-import { readBaseColor } from "../readBaseColor";
+import { vfs } from "../../../../core/blitzkit/vfs";
-import { readNormal } from "../readNormal";
-import { readRoughnessMetallic } from "../readRoughnessMetallic";
 import {
   vertexAttributeGLTFName,
   vertexAttributeGltfVectorSizes,
-} from "./constants";
+} from "./collision.glb";
+
+export { getStaticPaths } from "./_index";
+
+export async function GET({ props }: APIContext<{ id: number }>) {
+  const nodeIO = new NodeIO().registerExtensions(ALL_EXTENSIONS);
+  const nations = await vfs
+    .dir(`Data/XML/item_defs/vehicles`)
+    .then((files) => files.filter((nation) => nation !== "common"));
+
+  for (const nationIndex in nations) {
+    const nation = nations[nationIndex];
+    const tanks = await vfs.xml<{ root: VehicleDefinitionList }>(
+      `Data/XML/item_defs/vehicles/${nation}/list.xml`,
+    );
+    const entries = Object.entries(tanks.root);
+
+    for (const [tankKey, tank] of entries) {
+      if (tankKey.includes("tutorial_bot")) continue;
+
+      const id = toUniqueId(nation, tank.id);
+
+      if (id !== props.id) continue;
+
+      const parameters = await vfs.yaml<TankParameters>(
+        `Data/3d/Tanks/Parameters/${nation}/${tankKey}.yaml`,
+      );
+      const model = await extractModel(
+        vfs,
+        parameters.resourcesPath.blitzModelPath.replace(/\.sc2$/, ""),
+      );
+      const bytes = await nodeIO.writeBinary(model);
+
+      return new Response(bytes);
+    }
+  }
+}
 
 const ERROR_ON_UNKNOWN_COMPONENT = false;
 
@@ -27,7 +69,7 @@ const omitMeshNames = {
   end: ["_POINT"],
 };
 
-export async function extractModel(vfs: AbstractVFS, path: string) {
+async function extractModel(vfs: AbstractVFS, path: string) {
   const sc2Path = `Data/3d/${path}.sc2`;
   const scgPath = `Data/3d/${path}.scg`;
   const sc2 = new Sc2ReadStream(
@@ -325,3 +367,115 @@ export async function extractModel(vfs: AbstractVFS, path: string) {
 
   return document;
 }
+
+async function readBaseColor(path: string, occlusionPath?: string) {
+  let hasAlpha = false;
+  const baseRaw = await readTexture(path);
+  const occlusionRaw = occlusionPath
+    ? await readTexture(occlusionPath)
+    : undefined;
+  const base = await sharp(baseRaw.data, { raw: baseRaw }).raw().toBuffer();
+  const occlusion = occlusionRaw
+    ? await sharp(occlusionRaw.data, { raw: occlusionRaw })
+        .extractChannel(3)
+        .raw()
+        .toBuffer()
+    : undefined;
+
+  const combined = Buffer.alloc(baseRaw.width * baseRaw.height * 4);
+
+  for (let i = 0; i < baseRaw.width * baseRaw.height; i++) {
+    let c = 1;
+
+    if (occlusionRaw) {
+      const x = i % baseRaw.width;
+      const y = Math.floor(i / baseRaw.width);
+      const u = Math.floor(x * (occlusionRaw.width / baseRaw.width));
+      const v = Math.floor(y * (occlusionRaw.height / baseRaw.height));
+
+      const occlusionI = u + v * occlusionRaw.width;
+
+      c = occlusion![occlusionI] / 255;
+    }
+
+    const alpha = base[i * 4 + 3];
+    hasAlpha ||= alpha < 255;
+
+    combined[i * 4 + 0] = Math.round(base[i * 4 + 0] * c);
+    combined[i * 4 + 1] = Math.round(base[i * 4 + 1] * c);
+    combined[i * 4 + 2] = Math.round(base[i * 4 + 2] * c);
+    combined[i * 4 + 3] = alpha;
+  }
+
+  const image = await sharp(combined, {
+    raw: { width: baseRaw.width, height: baseRaw.height, channels: 4 },
+  })
+    .webp()
+    .toBuffer();
+
+  return { hasAlpha, image };
+}
+
+async function readRoughnessMetallic(path: string) {
+  const raw = await readTexture(path);
+  const blitz = sharp(raw.data, { raw: raw });
+  const metallicness = await blitz?.extractChannel(1).raw().toBuffer();
+  const roughness = await blitz?.extractChannel(3).raw().toBuffer();
+
+  const combined = Buffer.alloc(raw.width * raw.height * 3);
+
+  for (let i = 0; i < raw.width * raw.height; i++) {
+    combined[i * 3 + 1] = roughness[i];
+    combined[i * 3 + 2] = metallicness[i];
+  }
+
+  const image = await sharp(combined, {
+    raw: { width: raw.width, height: raw.height, channels: 3 },
+  })
+    .webp()
+    .toBuffer();
+
+  return image;
+}
+
+async function readNormal(path: string, isBase: boolean) {
+  const raw = await readTexture(path);
+
+  if (!isBase) {
+    return await sharp(raw.data, { raw }).removeAlpha().jpeg().toBuffer();
+  }
+
+  const bytes = 4 * raw.width * raw.height;
+
+  for (let index = 0; index < bytes; index += 4) {
+    /**
+     * Red is always 255 and blue is always 0. Only alpha and green contain any
+     * sort of information.
+     */
+    let x = raw.data[index + 3] * (2 / 255) - 1;
+    let y = raw.data[index + 1] * (2 / 255) - 1;
+    let z = Math.sqrt(Math.max(0, 1 - x ** 2 - y ** 2));
+
+    raw.data[index] = Math.round((x + 1) * (255 / 2));
+    raw.data[index + 1] = Math.round((y + 1) * (255 / 2));
+    raw.data[index + 2] = Math.round((z + 1) * (255 / 2));
+    raw.data[index + 3] = 255;
+  }
+
+  return await sharp(raw.data, { raw }).webp().toBuffer();
+}
+
+async function readTexture(path: string) {
+  const ddsTexturePath = path.replace(".tex", ".dx11.dds");
+  const isDds = await vfs.resolve(ddsTexturePath);
+  const resolvedTexturePath = isDds
+    ? ddsTexturePath
+    : ddsTexturePath.replace(".dds", ".pvr");
+  const file = await vfs.file(resolvedTexturePath);
+
+  const raw = isDds
+    ? await new DdsReadStream(file.buffer as ArrayBuffer).dds()
+    : new PvrReadStream(file.buffer as ArrayBuffer).pvr();
+
+  return raw;
+}