Deleted generated constants, add midi.cfg

audio_rules.mk

@@ -0,0 +1,45 @@
+# This file contains rules for making assemblies for most music in the game.
+
+CRY_SUBDIR := sound/direct_sound_samples/cries
+
+MID_ASM_DIR := $(MID_SUBDIR)
+CRY_BIN_DIR := $(CRY_SUBDIR)
+SOUND_BIN_DIR := sound
+
+SPECIAL_OUTDIRS := $(MID_ASM_DIR) $(CRY_BIN_DIR) 
+SPECIAL_OUTDIRS += $(SOUND_BIN_DIR) $(SOUND_BIN_DIR)/direct_sound_samples/cries
+$(shell mkdir -p $(SPECIAL_OUTDIRS) )
+
+# Assembly song compilation
+$(SONG_BUILDDIR)/%.o: $(SONG_SUBDIR)/%.s
+	$(AS) $(ASFLAGS) -I sound -o $@ $<
+$(MID_BUILDDIR)/%.o: $(MID_ASM_DIR)/%.s
+	$(AS) $(ASFLAGS) -I sound -o $@ $<
+
+# Compressed cries
+$(CRY_BIN_DIR)/%.bin: $(CRY_SUBDIR)/%.aif 
+	$(AIF) $< $@ --compress
+
+# Uncompressed sounds
+$(SOUND_BIN_DIR)/%.bin: sound/%.aif 
+	$(AIF) $< $@
+
+# For each line in midi.cfg, we do some trickery to convert it into a make rule for the `.mid` file described on the line
+# Data following the colon in said file corresponds to arguments passed into mid2agb
+MID_CFG_PATH := $(MID_SUBDIR)/midi.cfg
+
+# $1: Source path no extension, $2 Options
+define MID_RULE
+$(MID_ASM_DIR)/$1.s: $(MID_SUBDIR)/$1.mid $(MID_CFG_PATH)
+	$(MID) $$< $$@ $2
+endef
+#                            source path,                             remaining text (options)
+define MID_EXPANSION
+	$(eval $(call MID_RULE,$(basename $(patsubst %:,%,$(word 1,$1))),$(wordlist 2,999,$1)))
+endef
+
+$(foreach line,$(shell cat $(MID_CFG_PATH) | sed "s/ /__SPACE__/g"),$(call MID_EXPANSION,$(subst __SPACE__, ,$(line))))
+
+# Warn users building without a .cfg - build will fail at link time
+$(MID_ASM_DIR)/%.s: $(MID_SUBDIR)/%.mid
+	$(warning $< does not have an associated entry in midi.cfg! It cannot be built)