Implement functional OpenGL 3.3 renderer

w/ crude batching

tools/bin2h.py

@@ -0,0 +1,109 @@
+#!/usr/bin/env python3
+
+import sys
+from pathlib import Path
+from typing import BinaryIO, TextIO
+import re
+
+
+label_invalid = re.compile(r"\W")      # Turn invalid label chars into underscores
+label_lstrip = re.compile(r"^[\d_]+")  # Trim all underscores or numbers from the beginning
+
+
+def sanitise_label(label: str) -> str:
+	tmp = label_invalid.sub("_", label, re.I)
+	return label_lstrip.sub("", tmp, re.I)
+
+
+def bin2h(name: str, binf: BinaryIO, h: TextIO):
+	raise NotImplementedError
+
+
+def txt2h(name: str, txt: TextIO, h: TextIO):
+	h.write(f"static const char* const {sanitise_label(name)} = \n")
+	h.write("\"")
+
+	remap = {
+		"\a": "\\a", "\b": "\\b", "\f": "\\f", "\n": "\\n", "\r": "\\r",
+		"\t": "\\t", "\v": "\\v", "\\": "\\\\", "\"": "\\\""}
+	esc_numeric = False
+	for idx, c in enumerate(txt.read()):
+		if m := remap.get(c):
+			h.write(m)
+		else:
+			if (i := ord(c)) < 0x7F:
+				if c.isprintable() and not (esc_numeric and c.isnumeric()):
+					h.write(c)
+				else:
+					if i < 8:
+						h.write(f"\\{i:o}")
+					else:
+						h.write(f"\\x{i:02X}")
+					esc_numeric = True
+					continue
+			elif i < 0x10000:
+				h.write(f"\\u{i:04X}")
+			else:
+				h.write(f"\\U{i:08X}")
+		esc_numeric = False
+
+	h.write("\";\n")
+
+
+def main():
+	usage = "Usage [-b data.bin] [-t text.txt] <out.h>"
+
+	binfiles = []
+	txtfiles = []
+	out = None
+	opt = None
+	for arg in sys.argv[1:]:
+		if opt is not None:
+			if opt == "b":
+				binfiles.append(arg)
+			elif opt == "t":
+				txtfiles.append(arg)
+			else:
+				sys.exit(usage)
+			opt = None
+		if arg.startswith("-"):
+			opt = arg[1:]
+		else:
+			out = Path(arg)
+
+	if opt is not None or out is None:
+		sys.exit(usage)
+	if len(binfiles) == 0 and len(txtfiles) == 0:
+		sys.exit(usage)
+
+	with out.open("w") as h:
+		guard = f"BIN2H_{sanitise_label(out.name).upper()}"
+		if not guard.endswith("_H"):
+			guard += "_H"
+		h.writelines([
+			"/*DO NOT EDIT*/\n",
+			"// Autogenerated by bin2h\n",
+			"\n",
+			f"#ifndef {guard}\n",
+			f"#define {guard}\n",
+			"\n"])
+
+		# Write binaries
+		for i in binfiles:
+			path = Path(i)
+			with path.open("rb") as file:
+				bin2h(path.name, file, h)
+
+		# Write texts
+		for i in txtfiles:
+			path = Path(i)
+			with path.open("r") as file:
+				txt2h(path.name, file, h)
+
+		h.writelines([
+			"\n",
+			f"#endif//{guard}\n"])
+
+
+if __name__ == "__main__":
+	main()