Support for 1.13+ Forge Resolution.

Tested versions: 1.13.2
TODO: Test 1.14.4, 1.15.1
TODO: Read mod metadata from mods.toml in 1.13+

src/model/forge/versionmanifest113.ts

@@ -0,0 +1,25 @@
+export interface VersionManifest113 {
+
+    id: string
+    time: string
+    releaseTime: string
+    type: string
+    mainClass: string
+    inheritsFrom: string
+    logging: any
+    arguments: {
+        game: string[]
+    }
+    libraries: Array<{
+        name: string,
+        downloads: {
+            artifact: {
+                path: string,
+                url: string,
+                sha1: string,
+                size: number
+            }
+        }
+    }>
+
+}

src/model/forge/versionmanifest17.ts

@@ -1,4 +1,4 @@
-export interface VersionManifest {
+export interface VersionManifest17 {
 
     id: string
     time: string

src/model/struct/repo/librepo.struct.ts

@@ -2,6 +2,9 @@ import { BaseMavenRepo } from './BaseMavenRepo'
 
 export class LibRepoStructure extends BaseMavenRepo {
 
+    public static readonly MINECRAFT_GROUP = 'net.minecraft'
+    public static readonly MINECRAFT_CLIENT_ARTIFACT = 'client'
+
     constructor(
         absoluteRoot: string,
         relativeRoot: string

src/model/struct/repo/repo.struct.ts

@@ -3,12 +3,14 @@ import { BaseFileStructure } from '../BaseFileStructure'
 import { ForgeRepoStructure } from './forgerepo.struct'
 import { LibRepoStructure } from './librepo.struct'
 import { LiteLoaderRepoStructure } from './liteloaderrepo.struct'
+import { VersionRepoStructure } from './versionrepo.struct'
 
 export class RepoStructure extends BaseFileStructure {
 
     private forgeRepoStruct: ForgeRepoStructure
     private liteloaderRepoStruct: LiteLoaderRepoStructure
     private libRepoStruct: LibRepoStructure
+    private versionRepoStruct: VersionRepoStructure
 
     constructor(
         absoluteRoot: string,
@@ -18,6 +20,7 @@ export class RepoStructure extends BaseFileStructure {
         this.forgeRepoStruct = new ForgeRepoStructure(this.containerDirectory, this.relativeRoot)
         this.liteloaderRepoStruct = new LiteLoaderRepoStructure(this.containerDirectory, this.relativeRoot)
         this.libRepoStruct = new LibRepoStructure(this.containerDirectory, this.relativeRoot)
+        this.versionRepoStruct = new VersionRepoStructure(this.containerDirectory, this.relativeRoot)
     }
 
     public async init() {
@@ -25,6 +28,7 @@ export class RepoStructure extends BaseFileStructure {
         await this.forgeRepoStruct.init()
         await this.liteloaderRepoStruct.init()
         await this.libRepoStruct.init()
+        await this.versionRepoStruct.init()
     }
 
     public getForgeRepoStruct() {
@@ -39,6 +43,10 @@ export class RepoStructure extends BaseFileStructure {
         return this.libRepoStruct
     }
 
+    public getVersionRepoStruct() {
+        return this.versionRepoStruct
+    }
+
     public getTempDirectory() {
         return join(this.absoluteRoot, 'temp')
     }

src/model/struct/repo/versionrepo.struct.ts

@@ -0,0 +1,28 @@
+import { join } from 'path'
+import { resolve as resolveURL } from 'url'
+import { BaseFileStructure } from '../BaseFileStructure'
+
+export class VersionRepoStructure extends BaseFileStructure {
+
+    constructor(
+        absoluteRoot: string,
+        relativeRoot: string
+    ) {
+        super(absoluteRoot, relativeRoot, 'versions')
+    }
+
+    public getFileName(minecraftVersion: string, forgeVersion: string) {
+        return `${minecraftVersion}-forge-${forgeVersion}`
+    }
+
+    public getVersionManifest(minecraftVersion: string, forgeVersion: string) {
+        const fileName = this.getFileName(minecraftVersion, forgeVersion)
+        return join(this.containerDirectory, fileName, `${fileName}.json`)
+    }
+
+    public getVersionManifestURL(url: string, minecraftVersion: string, forgeVersion: string) {
+        const fileName = this.getFileName(minecraftVersion, forgeVersion)
+        return resolveURL(url, join(this.relativeRoot, fileName, `${fileName}.json`))
+    }
+
+}