Initial commit

tools/generate_audio.py

@@ -0,0 +1,38 @@
+"""Generate original mono PCM effects using only the Python standard library.
+Python is a development convenience; it is never needed to play the game.
+"""
+from pathlib import Path
+import math
+import struct
+import wave
+
+ROOT = Path(__file__).resolve().parents[1] / "assets" / "audio"
+CUES = {
+    "pellet": ([880, 1320], 0.035),
+    "power": ([330, 440, 660, 880], 0.09),
+    "frightened": ([165, 220, 165], 0.10),
+    "defeated": ([660, 880, 1320], 0.07),
+    "death": ([660, 550, 440, 330, 165], 0.12),
+    "victory": ([440, 554.37, 659.25, 880, 659.25, 880], 0.16),
+    "game_over": ([330, 293.66, 261.63, 164.81], 0.22),
+}
+
+def main():
+    ROOT.mkdir(parents=True, exist_ok=True)
+    rate = 22050
+    for name, (notes, duration) in CUES.items():
+        samples = bytearray()
+        for frequency in notes:
+            count = int(rate * duration)
+            for i in range(count):
+                envelope = min(i / (rate * 0.005), 1) * (1 - i / count) ** 1.5
+                tone = math.sin(2 * math.pi * frequency * i / rate)
+                samples.extend(struct.pack("<h", int(tone * envelope * 6500)))
+        with wave.open(str(ROOT / f"{name}.wav"), "wb") as output:
+            output.setnchannels(1)
+            output.setsampwidth(2)
+            output.setframerate(rate)
+            output.writeframes(samples)
+
+if __name__ == "__main__":
+    main()

tools/package.ps1

@@ -0,0 +1,38 @@
+param(
+    [ValidatePattern('^[A-Za-z0-9_]+(-[A-Za-z0-9_]+)+$')]
+    [string]$Target = "x86_64-pc-windows-msvc"
+)
+$ErrorActionPreference = "Stop"
+$project = Split-Path $PSScriptRoot -Parent
+Push-Location $project
+try {
+    $rustInfo = rustc -vV
+    if ($LASTEXITCODE -ne 0) { throw "Could not determine Rust host target" }
+    $hostTarget = (($rustInfo | Select-String '^host: ').ToString() -replace '^host: ', '')
+    $targetDir = if ($env:CARGO_TARGET_DIR) { $env:CARGO_TARGET_DIR } else { "target" }
+    $executable = if ($Target -match '-windows-') { "first_person_maze.exe" } else { "first_person_maze" }
+    if ($Target -eq $hostTarget) {
+        cargo build --release --locked
+        $binary = Join-Path $targetDir "release/$executable"
+    } else {
+        cargo build --release --locked --target $Target
+        $binary = Join-Path $targetDir "$Target/release/$executable"
+    }
+    if ($LASTEXITCODE -ne 0) { throw "Cargo build failed" }
+    if (-not (Test-Path -LiteralPath $binary -PathType Leaf)) { throw "Missing binary: $binary" }
+    $releaseRoot = [System.IO.Path]::GetFullPath((Join-Path $project "release"))
+    $destination = [System.IO.Path]::GetFullPath((Join-Path $releaseRoot "$Target/first_person_maze"))
+    if (-not $destination.StartsWith($releaseRoot + [System.IO.Path]::DirectorySeparatorChar, [System.StringComparison]::OrdinalIgnoreCase)) {
+        throw "Package destination is outside the release directory"
+    }
+    if (Test-Path -LiteralPath $destination) {
+        Remove-Item -LiteralPath $destination -Recurse -Force
+    }
+    New-Item -ItemType Directory -Force -Path $destination | Out-Null
+    Copy-Item -LiteralPath $binary -Destination $destination
+    $audioDestination = Join-Path $destination "assets/audio"
+    New-Item -ItemType Directory -Force -Path $audioDestination | Out-Null
+    Get-ChildItem -LiteralPath "assets/audio" -Filter "*.wav" -File | Copy-Item -Destination $audioDestination
+    Copy-Item -LiteralPath "README.md" -Destination $destination
+    Write-Host "Package: $destination"
+} finally { Pop-Location }

tools/package.sh

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+#!/usr/bin/env sh
+set -eu
+cd "$(dirname "$0")/.."
+host_target="$(rustc -vV | sed -n 's/^host: //p')"
+target="${1:-$host_target}"
+case "$target" in
+    ''|*[!a-zA-Z0-9_-]*) printf 'Invalid target: %s\n' "$target" >&2; exit 1 ;;
+esac
+target_dir="${CARGO_TARGET_DIR:-target}"
+case "$target" in
+    *-windows-*) executable=first_person_maze.exe ;;
+    *) executable=first_person_maze ;;
+esac
+if [ "$target" = "$host_target" ]; then
+    cargo build --release --locked
+    binary="$target_dir/release/$executable"
+else
+    cargo build --release --locked --target "$target"
+    binary="$target_dir/$target/release/$executable"
+fi
+destination="release/$target/first_person_maze"
+test -f "$binary"
+rm -rf "$destination"
+mkdir -p "$destination/assets/audio"
+cp "$binary" "$destination/"
+cp assets/audio/*.wav "$destination/assets/audio/"
+cp README.md "$destination/"
+printf 'Package: %s\n' "$destination"