Add first version of extractor

.gitignore

@@ -1,6 +1,5 @@
 /src/**/*.s
 /data/*
-!/data/data.txt
 
 *.gba
 *.elf
@@ -14,7 +13,6 @@
 *.deps.json
 *.runtimeconfig.json
 
-data/*.c
 include/**/*.s
 tools/*.txt
 .vscode

Makefile

@@ -32,6 +32,8 @@ SHA1SUM = sha1sum
 TAIL = tail
 
 GBAFIX = tools/gbafix/gbafix
+PYTHON = python3
+EXTRACTOR = tools/extractor.py
 
 # Flags
 ASFLAGS = -mcpu=arm7tdmi
@@ -56,10 +58,6 @@ endif
 .PHONY: all
 all: $(TARGET)
 
-.PHONY: extract
-extract:
-	$(MSG) MZM-Extractor -a
-
 .PHONY: check
 check: all
 	$(MSG) SHA1SUM $(SHA1FILE)
@@ -96,7 +94,6 @@ help:
 	@echo '  dump: dump the ROMs'
 	@echo '  diff: compare the ROM with the original'
 	@echo '  clean: remove the ROM and intermediate files'
-	@echo '  extract: extract data as files using the MZM-Extractor (https://github.com/YohannDR/MZM-Extractor)'
 	@echo '  help: show this message'
 	@echo ''
 	@echo 'Flags:'
@@ -124,6 +121,9 @@ $(ELF) $(MAP): $(OBJ) linker.ld
 	$(MSG) CC $@
 	$Q$(CPP) $(CPPFLAGS) $< | $(CC) -o $@ $(CFLAGS) && printf '\t.align 2, 0 @ dont insert nops\n' >> $@
 
+%.c:
+	$(MSG) Extractor $@
+	$Q$(PYTHON) $(EXTRACTOR)
 
 src/sram/%.s: CFLAGS = -O1 -mthumb-interwork -fhex-asm
 src/sram/%.s: src/sram/%.c

database.txt

@@ -0,0 +1 @@
+Sprites/MorphBall.gfx;672;0x2b28a8

tools/extractor.py

@@ -0,0 +1,35 @@
+from array import array
+from io import BufferedReader
+import os
+import shutil
+
+DATA_PATH = "../data/"
+subDirs: array = [
+    "Sprites/"
+]
+
+shutil.rmtree(DATA_PATH, ignore_errors=False, onerror=None)
+
+if not os.path.exists(DATA_PATH):
+    # Create directories
+    os.mkdir(DATA_PATH)
+    for dir in subDirs:
+        os.mkdir(DATA_PATH.__add__(dir))
+
+
+rom: BufferedReader = open("../mzm_us_baserom.gba", "rb")
+db: BufferedReader = open("../database.txt", "r")
+
+line: str = db.readline()
+while line != '':
+    # Formatted as follows : name;size;address
+    info: array = line.split(";")
+    rom.seek(int(info[2], 16))
+    data = rom.read(int(info[1]))
+    
+    output: BufferedReader = open("../data/".__add__(info[0]), "wb")
+    output.write(bytearray(data))
+    output.close()
+    line = db.readline()
+
+rom.close()