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https://github.com/plexusorg/Module-HTTPD.git
synced 2026-06-04 00:56:54 +00:00
decompiled minecraft for ts
This commit is contained in:
@@ -19,3 +19,6 @@ Thumbs.db
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# Gradle
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/build/
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/.gradle/
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# Decompiled Minecraft sources (downloaded by scripts/download-minecraft-source.ps1)
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/minecraft-source/
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@@ -0,0 +1,101 @@
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param(
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[string]$Version = "",
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[string]$Filter = "**Shield*,**BlockEntityWithoutLevelRenderer*,**ItemStackRenderState*,**ItemRenderer*"
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)
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# Downloads + decompiles selected Minecraft client classes for reference.
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# Output goes to minecraft-source/ (gitignored). Tools and per-version
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# downloads are cached under .gradle/minecraft-source-tools/.
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#
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# Modern Mojang client jars (26.1+) ship semi-deobfuscated classes with the
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# real net.minecraft.* layout, so no remap step is needed.
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#
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# Usage:
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# ./scripts/download-minecraft-source.ps1
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# ./scripts/download-minecraft-source.ps1 -Version 26.1.2
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# ./scripts/download-minecraft-source.ps1 -Filter "**Shield*"
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$ErrorActionPreference = "Stop"
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$ProjectRoot = Resolve-Path (Join-Path $PSScriptRoot "..")
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$OutRoot = Join-Path $ProjectRoot "minecraft-source"
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$ToolsRoot = Join-Path $ProjectRoot ".gradle/minecraft-source-tools"
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$ManifestUrl = "https://piston-meta.mojang.com/mc/game/version_manifest_v2.json"
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$VineflowerUrl = "https://repo1.maven.org/maven2/org/vineflower/vineflower/1.12.0/vineflower-1.11.0.jar"
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function Download-IfMissing($Url, $Target) {
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if (Test-Path $Target) { return }
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New-Item -ItemType Directory -Path (Split-Path -Parent $Target) -Force | Out-Null
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Invoke-WebRequest -Uri $Url -OutFile $Target -TimeoutSec 600
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}
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# Resolve version (explicit > cached > latest)
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$manifest = Invoke-RestMethod -Uri $ManifestUrl -TimeoutSec 30
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if ([string]::IsNullOrWhiteSpace($Version)) {
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$cachedFile = Join-Path $ProjectRoot "src/main/resources/httpd/assets/.minecraft-version"
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if (Test-Path $cachedFile) {
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$Version = (Get-Content $cachedFile -Raw).Trim()
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} else {
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$Version = $manifest.latest.release
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}
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}
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$entry = $manifest.versions | Where-Object { $_.id -eq $Version } | Select-Object -First 1
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if (!$entry) { throw "Minecraft version '$Version' not found in Mojang manifest" }
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$versionJson = Invoke-RestMethod -Uri $entry.url -TimeoutSec 30
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$clientUrl = $versionJson.downloads.client.url
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if ([string]::IsNullOrEmpty($clientUrl)) { throw "No client jar URL for version $Version" }
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$workDir = Join-Path $ToolsRoot "v$Version"
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$vineflowerJar = Join-Path $ToolsRoot "vineflower.jar"
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$clientJar = Join-Path $workDir "client.jar"
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Download-IfMissing $VineflowerUrl $vineflowerJar
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Download-IfMissing $clientUrl $clientJar
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# Extract only the classes matching the filter into a staging dir so
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# Vineflower has a small input set and a single run finishes in seconds.
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$staging = Join-Path $workDir "staging"
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if (Test-Path $staging) { Remove-Item -Recurse -Force $staging }
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New-Item -ItemType Directory -Path $staging -Force | Out-Null
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$globs = $Filter -split "," | ForEach-Object { $_.Trim() } | Where-Object { $_ -ne "" }
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function Matches-AnyGlob($name, $globs) {
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foreach ($g in $globs) {
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# Convert Vineflower-style glob (**, *) into a regex against the
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# class-file basename ("ShieldModel.class").
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$regex = "^" + ([Regex]::Escape($g) -replace "\\\*\\\*", ".*" -replace "\\\*", "[^/]*") + "$"
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$leaf = Split-Path -Leaf ($name -replace "\.class$", "")
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if ($leaf -match $regex.Replace("\.\*", ".*")) { return $true }
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if ($name -match $regex) { return $true }
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}
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return $false
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}
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Add-Type -AssemblyName System.IO.Compression.FileSystem
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$zip = [System.IO.Compression.ZipFile]::OpenRead($clientJar)
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$extracted = 0
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try {
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foreach ($entry in $zip.Entries) {
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$name = $entry.FullName -replace '\\', '/'
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if (-not $name.EndsWith(".class")) { continue }
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if (-not (Matches-AnyGlob $name $globs)) { continue }
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$target = Join-Path $staging ($name -replace '/', [System.IO.Path]::DirectorySeparatorChar)
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New-Item -ItemType Directory -Path (Split-Path -Parent $target) -Force | Out-Null
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[System.IO.Compression.ZipFileExtensions]::ExtractToFile($entry, $target, $true)
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$extracted++
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}
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} finally {
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$zip.Dispose()
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}
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Write-Host "Extracted $extracted matching class files."
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if (Test-Path $OutRoot) { Remove-Item -Recurse -Force $OutRoot }
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New-Item -ItemType Directory -Path $OutRoot -Force | Out-Null
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Write-Host "Decompiling with Vineflower..."
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& java -jar $vineflowerJar --silent=1 $staging $OutRoot
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if ($LASTEXITCODE -ne 0) { throw "Vineflower failed (exit $LASTEXITCODE)" }
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Write-Host ""
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Write-Host "Decompiled sources written to $OutRoot"
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@@ -356,40 +356,63 @@ function addBoxFace(group, positions, uv, material) {
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group.add(new THREE.Mesh(geom, material));
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}
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function addShieldBox(group, from, to, frontUv, backUv, frontMat, backMat, sideMat) {
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// Adds one MC-style addBox()+texOffs() cuboid to the group, expressed in
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// item-display coords (i.e. after the scale(1, -1, -1) flip that ShieldSpecial-
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// Renderer.DEFAULT_TRANSFORMATION applies to the entity model) plus the
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// standard GUI +8 origin shift. UVs for all six faces are unwrapped exactly
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// the way ModelPart.Cube does it — entity NORTH/SOUTH become item +Z/-Z and
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// entity DOWN/UP become item +Y/-Y; MC's UP face also flips V on the atlas
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// region, and we preserve that flip below.
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function addUnwrappedBox(group, from, to, texU, texV, sx, sy, sz, mat, tw = 64, th = 64) {
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const [x1, y1, z1] = from;
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const [x2, y2, z2] = to;
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const full = [0, 0, 0, 1, 1, 1, 1, 0];
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addBoxFace(group, [x1,y2,z2, x1,y1,z2, x2,y1,z2, x2,y2,z2], frontUv, frontMat); // south/front
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addBoxFace(group, [x2,y2,z1, x2,y1,z1, x1,y1,z1, x1,y2,z1], backUv, backMat); // north/back
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addBoxFace(group, [x1,y2,z1, x1,y2,z2, x2,y2,z2, x2,y2,z1], full, sideMat); // top
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addBoxFace(group, [x1,y1,z2, x1,y1,z1, x2,y1,z1, x2,y1,z2], full, sideMat); // bottom
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addBoxFace(group, [x2,y2,z2, x2,y1,z2, x2,y1,z1, x2,y2,z1], full, sideMat); // right
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addBoxFace(group, [x1,y2,z1, x1,y1,z1, x1,y1,z2, x1,y2,z2], full, sideMat); // left
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const u1 = texU + sz;
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const u2 = u1 + sx;
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const u3 = u2 + sz;
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const u4 = u3 + sx;
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const v1 = texV + sz;
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const v2 = v1 + sy;
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addBoxFace(group, [x1,y2,z2, x1,y1,z2, x2,y1,z2, x2,y2,z2],
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atlasUv(u1, v1, u2, v2, tw, th), mat); // +Z (entity NORTH)
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addBoxFace(group, [x2,y2,z1, x2,y1,z1, x1,y1,z1, x1,y2,z1],
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atlasUv(u3, v1, u4, v2, tw, th), mat); // -Z (entity SOUTH)
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addBoxFace(group, [x1,y2,z1, x1,y2,z2, x2,y2,z2, x2,y2,z1],
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atlasUv(u1, texV, u2, v1, tw, th), mat); // +Y (entity DOWN)
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addBoxFace(group, [x1,y1,z2, x1,y1,z1, x2,y1,z1, x2,y1,z2],
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atlasUv(u2, v1, u2 + sx, texV, tw, th), mat); // -Y (entity UP, V flipped)
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addBoxFace(group, [x2,y2,z2, x2,y1,z2, x2,y1,z1, x2,y2,z1],
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atlasUv(u2, v1, u3, v2, tw, th), mat); // +X (entity EAST)
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addBoxFace(group, [x1,y2,z1, x1,y1,z1, x1,y1,z2, x1,y2,z2],
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atlasUv(texU, v1, u1, v2, tw, th), mat); // -X (entity WEST)
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}
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async function buildShieldSprite() {
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const tex = await loadTexture('entity/shield/shield_base_nopattern');
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const textured = new THREE.MeshBasicMaterial({
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const mat = new THREE.MeshBasicMaterial({
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map: tex,
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transparent: true,
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alphaTest: 0.01,
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side: THREE.FrontSide,
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});
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const side = new THREE.MeshBasicMaterial({ color: new THREE.Color(0.48, 0.48, 0.52) });
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const handle = new THREE.MeshBasicMaterial({ color: new THREE.Color(0.30, 0.20, 0.10) });
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const group = new THREE.Group();
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// Vanilla shields are special entity models, so they don't expose normal
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// item-model elements. Build a small cuboid approximation from the entity
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// texture atlas instead of drawing a flat sprite.
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addShieldBox(group, [2, -3, 7], [14, 19, 9], atlasUv(1, 2, 13, 24), atlasUv(15, 2, 27, 24), textured, textured, side);
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addShieldBox(group, [5, 4, 5], [11, 12, 7], atlasUv(29, 1, 35, 9), atlasUv(36, 1, 42, 9), textured, textured, handle);
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// Mirrors ShieldModel.createLayer() (net.minecraft.client.model.object.equipment.ShieldModel):
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// plate: texOffs(0, 0) + addBox(-6, -11, -2, 12, 22, 1)
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// handle: texOffs(26, 0) + addBox(-1, -3, -1, 2, 6, 6)
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// The from/to below are those addBox bounds after ShieldSpecialRenderer
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// .DEFAULT_TRANSFORMATION (scale 1, -1, -1) — left in entity coord space
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// (no +8 shift). applyGuiTransform's inner.position(-8,-8,-8) is the
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// analogue of MC's ItemTransform translate(-0.5,-0.5,-0.5), placing the
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// GUI rotation pivot at item-display (8,8,8). Because the shield is
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// centred on the entity origin rather than on (8,8,8), the pivot ends up
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// offset from the shield, so the display.gui rotation swings the shield
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// around just like vanilla — which is what positions it correctly in
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// the slot. The 64×64 atlas matches LayerDefinition.create(_, 64, 64).
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addUnwrappedBox(group, [-6, -11, 1], [6, 11, 2], 0, 0, 12, 22, 1, mat);
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addUnwrappedBox(group, [-1, -3, -5], [1, 3, 1], 26, 0, 2, 6, 6, mat);
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return group;
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}
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const SHIELD_GUI_TRANSFORM = { rotation: [15, -35, -5], translation: [0, 0, 0], scale: [0.72, 0.72, 0.72] };
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function applyGuiTransform(group, display, isBlockShape) {
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const gui = (display && display.gui) || (isBlockShape ? DEFAULT_BLOCK_GUI : DEFAULT_GUI_TRANSFORM);
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const r = gui.rotation || [0, 0, 0];
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@@ -437,7 +460,7 @@ async function renderItem(name) {
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: isBlockShape
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? await buildElementsModel(model, tintRgb)
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: await buildLayeredSprite(model, tintRgb);
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const outer = applyGuiTransform(inner, isShield ? { gui: SHIELD_GUI_TRANSFORM } : model.display, isBlockShape);
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const outer = applyGuiTransform(inner, model.display, isBlockShape);
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// The next four lines must stay synchronous so concurrent
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// renderItem() callers can't interleave on the shared scene.
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scene.add(outer);
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