#!/usr/bin/env bash
# Exporta o Squash the Creeps (3D) (demo oficial do Godot, godotengine/godot-demo-projects, pasta
# 3d/squash_the_creeps; versao 3D do Dodge the Creeps feita pela GDQuest (Nathan Lovato, MIT) e atualizada
# por Hugo Locurcio; codigo e modelos MIT, musica de HorrorPen CC BY 3.0, fonte Montserrat OFL) para a web
# com o Godot 4.7.2 oficial: renderer Compatibility (o padrao do Godot 4 na web; o projeto pede Forward+, que
# o navegador nao tem), SEM threads (modelo web_nothreads_release: nao precisa de SharedArrayBuffer nem dos
# cabecalhos COOP/COEP), sem PWA. O jogo roda como o autor publicou, sem nenhuma mudanca no projeto; so
# acrescentamos o export_presets.cfg ao lado deste script (o repositorio nao traz um).
#
#   src/FredGames.Bundler/Builds/build-squash-the-creeps.sh
#
# ATENCAO: ao contrario dos outros jogos Godot, este export NAO e bit a bit reprodutivel. O Godot 4.7 sorteia um
# unique_id novo para cada no que importa de um .glb (player.glb e mob.glb), entao index.pck (e o tamanho dele
# no index.html) muda a cada execucao; o resto (wasm, js, audio worklets, icones) e identico. O bundle.yaml
# pina a saida gerada por ultimo; rodar o script de novo exige atualizar os sha256 do index.html e do index.pck.
#
# O editor (macOS universal) e os modelos de exportacao vem do release 4.7.2-stable do GitHub, conferidos
# pelo SHA-256 (os mesmos arquivos do SHA512-SUMS.txt do release) e ficam em artifacts/tools/godot-4.7.2.
# O editor roda com HOME dentro da pasta de saida (configuracao e modelo isolados).
#
# Saida: artifacts/build/squash-the-creeps-b761b4c/{web/,squash-the-creeps-b761b4c.tar.gz}, que o
# bundle.yaml do jogo confere pelo SHA-256. O tar.gz e o fonte da demo (so a pasta do jogo e o LICENSE.md
# do repositorio; o tarball inteiro do commit tem 250 MB) e sai igual a cada execucao.

set -euo pipefail

COMMIT=b761b4cd5718a7118f2c95eb55f181d0a5f004f1
SHA256=8a639dd3b32e2a8bfbb12b04f6c77ac9efdc0c7be9912239262fdd960a1d767f
GODOT=4.7.2
GODOT_URL=https://github.com/godotengine/godot/releases/download/$GODOT-stable
GODOT_MAC_SHA256=c58a24e31d720be9d62f60cb5627c4e695fb72f21b0cfe1bc9ccaa9a3b3ba63e
GODOT_TPZ_SHA256=f298490b8d44d934be425a5a65a51bf15f422428b229a06a6e11d9ffea248011

here="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
root="$(git -C "$here" rev-parse --show-toplevel 2>/dev/null || pwd)"
out="$root/artifacts/build/squash-the-creeps-${COMMIT:0:7}"
cache="$root/artifacts/build/cache"
tools="$root/artifacts/tools"

mkdir -p "$cache"
fetch() {
  if [ ! -f "$cache/$2" ]; then
    curl -fsSL --retry 4 "$1" -o "$cache/$2.partial" && mv "$cache/$2.partial" "$cache/$2"
  fi
  echo "$3  $cache/$2" | shasum -a 256 -c -
}
fetch "https://github.com/godotengine/godot-demo-projects/archive/$COMMIT.tar.gz" "godot-demo-projects-${COMMIT:0:7}.tar.gz" "$SHA256"
fetch "$GODOT_URL/Godot_v$GODOT-stable_macos.universal.zip" "Godot_v$GODOT-stable_macos.universal.zip" "$GODOT_MAC_SHA256"
fetch "$GODOT_URL/Godot_v$GODOT-stable_export_templates.tpz" "Godot_v$GODOT-stable_export_templates.tpz" "$GODOT_TPZ_SHA256"

if [ ! -d "$tools/godot-$GODOT" ]; then
  rm -rf "$tools/godot-$GODOT.tmp"
  mkdir -p "$tools/godot-$GODOT.tmp"
  unzip -q "$cache/Godot_v$GODOT-stable_macos.universal.zip" -d "$tools/godot-$GODOT.tmp"
  unzip -q "$cache/Godot_v$GODOT-stable_export_templates.tpz" templates/web_nothreads_release.zip templates/version.txt \
    -d "$tools/godot-$GODOT.tmp"
  mv "$tools/godot-$GODOT.tmp" "$tools/godot-$GODOT"
fi

rm -rf "$out"
mkdir -p "$out/tree" "$out/web"
tar -xzf "$cache/godot-demo-projects-${COMMIT:0:7}.tar.gz" -C "$out/tree" --strip-components 1 \
  "godot-demo-projects-$COMMIT/3d/squash_the_creeps" "godot-demo-projects-$COMMIT/LICENSE.md"

# Fonte publicado: so o que o jogo usa, em tar GNU-like deterministico (ordem, dono e data fixos).
( cd "$out/tree" && find LICENSE.md 3d/squash_the_creeps -type f | LC_ALL=C sort > "$out/files.txt" )
( cd "$out/tree" && COPYFILE_DISABLE=1 tar --format=ustar --uid 0 --gid 0 --uname root --gname root -n \
    -cf - -T "$out/files.txt" ) | gzip -n -9 > "$out/squash-the-creeps-${COMMIT:0:7}.tar.gz"

project="$out/tree/3d/squash_the_creeps"
cp "$here/squash-the-creeps/export_presets.cfg" "$project/export_presets.cfg"

export HOME="$out/home" TZ=UTC LC_ALL=C
templates="$HOME/Library/Application Support/Godot/export_templates/$GODOT.stable"
mkdir -p "$templates"
cp "$tools/godot-$GODOT/templates/web_nothreads_release.zip" "$tools/godot-$GODOT/templates/version.txt" "$templates/"

godot="$tools/godot-$GODOT/Godot.app/Contents/MacOS/Godot"
cd "$project"
# A primeira passada importa os recursos (cria .godot/); a segunda exporta.
"$godot" --headless --path . --import > "$out/import.log" 2>&1 || true
"$godot" --headless --path . --export-release "Web" "$out/web/index.html" > "$out/export.log" 2>&1
ls -l "$out/web"