Makefile

# ═══════════════════════════════════════════════════════════════
#  ██████╗ ██╗      █████╗ ███╗   ██╗███╗   ██╗███████╗██████╗
#  ██╔══██╗██║     ██╔══██╗████╗  ██║████╗  ██║██╔════╝██╔══██╗
#  ██████╔╝██║     ███████║██╔██╗ ██║██╔██╗ ██║█████╗  ██████╔╝
#  ██╔═══╝ ██║     ██╔══██║██║╚██╗██║██║╚██╗██║██╔══╝  ██╔══██╗
#  ██║     ███████╗██║  ██║██║ ╚████║██║ ╚████║███████╗██║  ██║
#  ╚═╝     ╚══════╝╚═╝  ╚═╝╚═╝  ╚═══╝╚═╝  ╚═══╝╚══════╝╚═╝  ╚═╝
#           1 2 3  ── GREETINGS FROM THE RUST DEMOSCENE ──
#
#  SOLVERFORGE // THIS IS NOT A SCHEDULER // THIS IS A WEAPON.
#  CODED IN RUST. AMIGA 1992 FOREVER
#  (NO JAVASCRIPT WAS HARMED).
# ═══════════════════════════════════════════════════════════════

.PHONY: help build run render render-gif clean check clippy loc

# ── Configuration ─────────────────────────────────────────────────────
DEMO          := planner123-demo
CARGO_FLAGS   := --release

# Render settings
RENDER_W      := 1280
RENDER_H      := 720
RENDER_FPS    := 60
RENDER_SECS   := 84
RENDER_OUT    := demo.mp4
RENDER_GIF    := demo.gif

# ffmpeg encoding settings
FFMPEG_VCODEC := libx264
FFMPEG_CRF    := 18
FFMPEG_PRESET := slow

# ── Default target ────────────────────────────────────────────────────
help: ## Show this help
	@echo ""
	@echo " ██████╗ ██╗      █████╗ ███╗   ██╗███╗   ██╗███████╗██████╗"
	@echo " ██╔══██╗██║     ██╔══██╗████╗  ██║████╗  ██║██╔════╝██╔══██╗"
	@echo " ██████╔╝██║     ███████║██╔██╗ ██║██╔██╗ ██║█████╗  ██████╔╝"
	@echo " ██╔═══╝ ██║     ██╔══██║██║╚██╗██║██║╚██╗██║██╔══╝  ██╔══██╗"
	@echo " ██║     ███████╗██║  ██║██║ ╚████║██║ ╚████║███████╗██║  ██║"
	@echo " ╚═╝     ╚══════╝╚═╝  ╚═╝╚═╝  ╚═══╝╚═╝  ╚═══╝╚══════╝╚═╝  ╚═╝"
	@echo "          1 2 3  ── GREETINGS FROM THE RUST DEMOSCENE ──"
	@echo ""
	@echo " SOLVERFORGE // THIS IS NOT A SCHEDULER // THIS IS A WEAPON."
	@echo ""
	@echo "  ┌─────────────────────────────────────────────────────┐"
	@echo "  │  TARGETS                                            │"
	@echo "  ├─────────────────────────────────────────────────────┤"
	@echo "  │  make build        Build release binary             │"
	@echo "  │  make run          Build and run the demo           │"
	@echo "  │  make render       Render to MP4 via ffmpeg         │"
	@echo "  │  make render-gif   Render to GIF (shareable)        │"
	@echo "  │  make clean        Remove build artifacts + output  │"
	@echo "  │  make check        Run cargo check                  │"
	@echo "  │  make clippy       Run clippy lints                 │"
	@echo "  │  make loc          Count lines of code              │"
	@echo "  └─────────────────────────────────────────────────────┘"
	@echo ""
	@echo "  CONTROLS:  ESC = quit   SPACE = advance scene"
	@echo ""

# ── Build ─────────────────────────────────────────────────────────────
build: ## Build release binary
	@echo "═══ COMPILING $(DEMO) (release) ═══"
	cargo build $(CARGO_FLAGS)
	@echo "═══ DONE ═══"

# ── Run ───────────────────────────────────────────────────────────────
run: ## Build and run the demo in a window
	@echo "═══ LAUNCHING $(DEMO) ═══"
	@echo "    ESC = quit // SPACE = advance scene"
	@echo ""
	cargo run $(CARGO_FLAGS)

# ── Render to MP4 ────────────────────────────────────────────────────
render: ## Render headless to MP4 via ffmpeg (with audio)
	@echo "═══ RENDERING $(RENDER_SECS)s @ $(RENDER_W)x$(RENDER_H) $(RENDER_FPS)fps ═══"
	@echo "    Output: $(RENDER_OUT)"
	@echo ""
	@command -v ffmpeg >/dev/null 2>&1 || { echo "ERROR: ffmpeg not found. Install it first."; exit 1; }
	cargo run $(CARGO_FLAGS) -- --render $(RENDER_SECS) | \
		ffmpeg -y \
			-f rawvideo \
			-pixel_format bgr24 \
			-video_size $(RENDER_W)x$(RENDER_H) \
			-framerate $(RENDER_FPS) \
			-i - \
			-i demo_audio.wav \
			-c:v $(FFMPEG_VCODEC) \
			-profile:v baseline -level 3.0 \
			-r $(RENDER_FPS) \
			-c:a aac -b:a 192k \
			-crf $(FFMPEG_CRF) \
			-preset $(FFMPEG_PRESET) \
			-pix_fmt yuv420p \
			-movflags +faststart \
			-shortest \
			$(RENDER_OUT)
	@rm -f demo_audio.wav
	@echo ""
	@echo "═══ RENDERED: $(RENDER_OUT) ═══"
	@ls -lh $(RENDER_OUT)

# ── Render to GIF ────────────────────────────────────────────────────
render-gif: ## Render headless to GIF (lower fps, palette-quantized)
	@echo "═══ RENDERING GIF @ $(RENDER_W)x$(RENDER_H) ═══"
	@echo "    Output: $(RENDER_GIF)"
	@echo ""
	@command -v ffmpeg >/dev/null 2>&1 || { echo "ERROR: ffmpeg not found. Install it first."; exit 1; }
	cargo run $(CARGO_FLAGS) -- --render $(RENDER_SECS) | \
		ffmpeg -y \
			-f rawvideo \
			-pixel_format bgr24 \
			-video_size $(RENDER_W)x$(RENDER_H) \
			-framerate $(RENDER_FPS) \
			-i - \
			-vf "fps=15,scale=640:-1:flags=lanczos,split[s0][s1];[s0]palettegen=max_colors=128[p];[s1][p]paletteuse=dither=bayer" \
			$(RENDER_GIF)
	@echo ""
	@echo "═══ RENDERED: $(RENDER_GIF) ═══"
	@ls -lh $(RENDER_GIF)

# ── Clean ─────────────────────────────────────────────────────────────
clean: ## Remove build artifacts and rendered output
	@echo "═══ CLEANING ═══"
	cargo clean
	@rm -f $(RENDER_OUT) $(RENDER_GIF) demo_audio.wav
	@echo "═══ CLEAN ═══"

# ── Check ─────────────────────────────────────────────────────────────
check: ## Run cargo check (fast compile check)
	cargo check $(CARGO_FLAGS)

# ── Clippy ────────────────────────────────────────────────────────────
clippy: ## Run clippy lints
	cargo clippy $(CARGO_FLAGS) -- -W clippy::all

# ── Lines of code ─────────────────────────────────────────────────────
loc: ## Count lines of Rust source
	@echo ""
	@echo "  ┌──────────────────────────────────────┐"
	@echo "  │  LINES OF RUST (src/)                 │"
	@echo "  ├──────────────────────────────────────┤"
	@find src -name '*.rs' | sort | while read f; do \
		lines=$$(wc -l < "$$f"); \
		printf "  │  %6d  %-28s│\n" "$$lines" "$$(basename $$f)"; \
	done
	@echo "  ├──────────────────────────────────────┤"
	@total=$$(find src -name '*.rs' -exec cat {} + | wc -l); \
		printf "  │  %6d  %-28s│\n" "$$total" "TOTAL"
	@echo "  └──────────────────────────────────────┘"
	@echo ""