TmpMenu/scripts/generate_natives.py
Andreas Maerten 9a1a75b675 refactor!: repo cleanup (#2650)
- Move cmake files to dedicated cmake folder
- Move scattered python files to `scripts/` folder
- Update CMakeLists.txt to reflect changes
* feat(scripts): add README to folder
2023-12-30 16:05:18 +01:00

123 lines
3.6 KiB
Python

import json
crossmap = {}
natives = {}
current_idx = 0
crossmap_hash_list = []
class Arg:
def __init__(self, name: str, type: str):
self.name = name
self.type = type#.replace("BOOL", "bool")# .replace("Any*", "void*")
def __str__(self) -> str:
return str(self.type) + " " + str(self.name)
class NativeFunc:
def __init__(self, namespace: str, name: str, hash: int, args: list[dict], return_type: str):
self.namespace = namespace
self.name = name
self.hash = hash
self.args: list[Arg] = []
self.return_type = return_type#.replace("BOOL", "bool")# .replace("Any*", "void*")
self.native_index = -1
self.fix_vectors = "false"
for arg in args:
self.args.append(Arg(arg["name"], arg["type"]))
if arg["type"] == "Vector3*":
self.fix_vectors = "true"
def get_native_def_str(self) -> str:
assert self.native_index != -1
param_decl = ""
param_pass = ""
if len(self.args) > 0:
for arg in self.args:
param_decl += str(arg) + ", "
param_pass += arg.name + ", "
param_decl = param_decl[:-2]
param_pass = param_pass[:-2]
return f"FORCEINLINE constexpr {self.return_type} {self.name}({param_decl}) {{ return big::native_invoker::invoke<{self.native_index}, {self.fix_vectors}, {self.return_type}>({param_pass}); }}"
class CrossmapEntry:
def __init__(self, translated_hash: int):
self.hash = translated_hash
self.native_index = -1
def load_crossmap_data():
global crossmap
data = open("crossmap.txt").readlines()
for item in data:
translation = item.split(",")
crossmap[int(translation[0], 16)] = CrossmapEntry(int(translation[1], 16))
def load_natives_data():
global natives
data = json.load(open("natives.json"))
for ns, natives_list in data.items():
natives[ns] = []
for hash_str, native_data in natives_list.items():
natives[ns].append(NativeFunc(ns, native_data["name"], int(hash_str, 16), native_data["params"], native_data["return_type"]))
def allocate_indices():
global current_idx, crossmap_hash_list
for _, n in natives.items():
for native in n:
hash = native.hash
if hash in crossmap:
crossmap[hash].native_index = current_idx
native.native_index = current_idx
crossmap_hash_list.append(crossmap[hash].hash)
current_idx += 1
def write_crossmap_header():
open("crossmap.hpp", "w+").write(f"""#pragma once
#include <script/scrNativeHandler.hpp>
namespace big
{{
constexpr std::array<rage::scrNativeHash, {len(crossmap_hash_list)}> g_crossmap = {{{",".join([f"0x{x:X}" for x in crossmap_hash_list])}}};
}}
""")
def write_natives_header():
natives_buf = ""
natives_index_buf = ""
for ns, nvs in natives.items():
natives_buf += f"namespace {ns}\n{{\n"
for nat_data in nvs:
if nat_data.native_index == -1:
continue
natives_buf += f"\t{nat_data.get_native_def_str()}\n"
natives_index_buf += f"\t{nat_data.name} = {nat_data.native_index},\n"
natives_buf += "}\n\n"
natives_buf = natives_buf[:-2]
open("../natives.hpp", "w+").write(f"""#pragma once
#include "invoker/invoker.hpp"
// clang-format off
enum class NativeIndex
{{
{natives_index_buf}}};
{natives_buf}
// clang-format on
""")
if __name__ == "__main__":
load_crossmap_data()
load_natives_data()
allocate_indices()
write_crossmap_header()
write_natives_header()