Initial commit — Elden Ring RL agent

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

install_dependencies.sh

@@ -0,0 +1,62 @@
+#!/usr/bin/env bash
+set -e
+
+echo "=== Elden Ring AI — Dependency Installer ==="
+
+# ── 1. System packages ────────────────────────────────────────────────────────
+echo "[1/4] Installing system packages..."
+sudo pacman -S --needed --noconfirm \
+    base-devel \
+    linux-headers \
+    v4l2loopback-dkms \
+    gpu-screen-recorder \
+    python \
+    python-pip
+
+# ── 2. Persistent v4l2loopback config ─────────────────────────────────────────
+echo "[2/4] Configuring v4l2loopback..."
+echo 'v4l2loopback' | sudo tee /etc/modules-load.d/v4l2loopback.conf > /dev/null
+echo 'options v4l2loopback devices=1 video_nr=2 card_label="EldenVision" exclusive_caps=1' \
+    | sudo tee /etc/modprobe.d/v4l2loopback.conf > /dev/null
+sudo modprobe v4l2loopback devices=1 video_nr=2 card_label="EldenVision" exclusive_caps=1 2>/dev/null || true
+
+# Add user to input group (needed for evdev/uinput)
+sudo usermod -aG input "$USER"
+echo "    NOTE: Log out and back in for the input group to take effect."
+
+# ── 3. Python venv ────────────────────────────────────────────────────────────
+echo "[3/4] Setting up Python virtual environment..."
+if [ ! -f "bin/activate" ]; then
+    python -m venv .
+fi
+# shellcheck disable=SC1091
+source bin/activate
+
+# ── 4. Python packages ────────────────────────────────────────────────────────
+echo "[4/4] Installing Python packages..."
+
+# Detect CUDA version from driver and map to a PyTorch wheel tag
+CUDA_RAW=$(nvidia-smi 2>/dev/null | grep -oP "CUDA Version: \K[\d.]+" || echo "0")
+CUDA_MAJOR=$(echo "$CUDA_RAW" | cut -d. -f1)
+CUDA_MINOR=$(echo "$CUDA_RAW" | cut -d. -f2)
+CUDA_NUM=$((CUDA_MAJOR * 10 + CUDA_MINOR))  # e.g. 13.2 → 132
+
+if   [ "$CUDA_NUM" -ge 130 ]; then TORCH_CU="cu130"
+elif [ "$CUDA_NUM" -ge 124 ]; then TORCH_CU="cu124"
+elif [ "$CUDA_NUM" -ge 121 ]; then TORCH_CU="cu121"
+elif [ "$CUDA_NUM" -ge 118 ]; then TORCH_CU="cu118"
+else
+    echo "    WARNING: No supported CUDA found, installing CPU-only PyTorch."
+    TORCH_CU="cpu"
+fi
+
+TORCH_INDEX="https://download.pytorch.org/whl/${TORCH_CU}"
+echo "    CUDA ${CUDA_RAW} detected → using index: ${TORCH_INDEX}"
+
+pip install --upgrade pip
+pip install torch torchvision --index-url "$TORCH_INDEX"
+pip install -r requirements.txt
+
+echo ""
+echo "=== Done! Activate the venv with: source bin/activate ==="
+echo "=== Then start training with:     python train.py      ==="