From b2861116666be67314a1c30bb796ee179cd0a0c2 Mon Sep 17 00:00:00 2001
From: Tharo <17233964+Thar0@users.noreply.github.com>
Date: Sun, 11 Aug 2024 16:41:38 +0100
Subject: [PATCH] [Audio 3/?] Set up building samples (#1671)

* [Audio 3/?] Set up building samples

* AIFF -> SAMPLE
---
 Makefile | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/Makefile b/Makefile
index f8357736ee..e75aac5f6e 100644
--- a/Makefile
+++ b/Makefile
@@ -161,6 +161,7 @@ SCHC_FLAGS  :=
 
 # Audio tools
 AUDIO_EXTRACT := $(PYTHON) tools/audio_extraction.py
+SAMPLECONV    := tools/audio/sampleconv/sampleconv
 
 # Command to replace path variables in the spec file. We can't use the C
 # preprocessor for this because it won't substitute inside string literals.
@@ -213,6 +214,24 @@ $(shell mkdir -p asm data extracted)
 SRC_DIRS := $(shell find src -type d)
 ASM_DIRS := $(shell find asm -type d -not -path "asm/non_matchings*") $(shell find data -type d)
 
+ifneq ($(wildcard $(EXTRACTED_DIR)/assets/audio),)
+  SAMPLE_EXTRACT_DIRS := $(shell find $(EXTRACTED_DIR)/assets/audio/samples -type d)
+else
+  SAMPLE_EXTRACT_DIRS :=
+endif
+
+ifneq ($(wildcard assets/audio/samples),)
+  SAMPLE_DIRS := $(shell find assets/audio/samples -type d)
+else
+  SAMPLE_DIRS :=
+endif
+
+SAMPLE_FILES         := $(foreach dir,$(SAMPLE_DIRS),$(wildcard $(dir)/*.wav))
+SAMPLE_EXTRACT_FILES := $(foreach dir,$(SAMPLE_EXTRACT_DIRS),$(wildcard $(dir)/*.wav))
+AIFC_FILES           := $(foreach f,$(SAMPLE_FILES),$(BUILD_DIR)/$(f:.wav=.aifc)) $(foreach f,$(SAMPLE_EXTRACT_FILES:.wav=.aifc),$(f:$(EXTRACTED_DIR)/%=$(BUILD_DIR)/%))
+SAMPLE_BLOBS_IN      := $(foreach dir,$(SAMPLE_EXTRACT_DIRS),$(wildcard $(dir)/*.bin))
+SAMPLE_BLOBS         := $(foreach f,$(SAMPLE_BLOBS_IN),$(f:$(EXTRACTED_DIR)/%=$(BUILD_DIR)/%))
+
 ## Assets binaries (PNGs, JPGs, etc)
 ASSET_BIN_DIRS := $(shell find assets/* -type d -not -path "assets/xml*" -not -path "assets/c/*" -not -name "c" -not -path "assets/text")
 # Prevents building C files that will be #include'd
@@ -505,6 +524,30 @@ $(BUILD_DIR)/assets/%.jpg.inc.c: assets/%.jpg
 $(BUILD_DIR)/%.schl.inc: %.schl
 	$(SCHC) $(SCHC_FLAGS) -o $@ $<
 
+# Audio
+
+AUDIO_BUILD_DEBUG ?= 0
+
+# first build samples...
+
+$(BUILD_DIR)/assets/audio/samples/%.half.aifc: assets/audio/samples/%.half.wav
+	$(SAMPLECONV) vadpcm-half $< $@
+
+$(BUILD_DIR)/assets/audio/samples/%.half.aifc: $(EXTRACTED_DIR)/assets/audio/samples/%.half.wav
+	$(SAMPLECONV) vadpcm-half $< $@
+ifeq ($(AUDIO_BUILD_DEBUG),1)
+	@(cmp $(<D)/aifc/$(<F:.half.wav=.half.aifc) $@ && echo "$(<F) OK") || (mkdir -p NONMATCHINGS/$(<D) && cp $(<D)/aifc/$(<F:.half.wav=.half.aifc) NONMATCHINGS/$(<D)/$(<F:.half.wav=.half.aifc))
+endif
+
+$(BUILD_DIR)/assets/audio/samples/%.aifc: assets/audio/samples/%.wav
+	$(SAMPLECONV) vadpcm $< $@
+
+$(BUILD_DIR)/assets/audio/samples/%.aifc: $(EXTRACTED_DIR)/assets/audio/samples/%.wav
+	$(SAMPLECONV) vadpcm $< $@
+ifeq ($(AUDIO_BUILD_DEBUG),1)
+	@(cmp $(<D)/aifc/$(<F:.wav=.aifc) $@ && echo "$(<F) OK") || (mkdir -p NONMATCHINGS/$(<D) && cp $(<D)/aifc/$(<F:.wav=.aifc) NONMATCHINGS/$(<D)/$(<F:.wav=.aifc))
+endif
+
 -include $(DEP_FILES)
 
 # Print target for debugging