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Support in StarWarsG for display text

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Drew C
2026-03-13 11:44:25 -05:00
parent f7b488cbf7
commit 7deb2ff293
4 changed files with 49 additions and 19 deletions
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31
lua_hook.cpp
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@@ -2,6 +2,12 @@
#include "functions/functions.h"
#include <MinHook.h>
#include <windows.h>
#include <cstring>
#include <new>
// Cached during init for CreateLuaValueString
static const LuaRVAs* g_rvas = nullptr;
static uintptr_t g_base = 0;
// Resolved function pointers
fn_lua_open real_lua_open = nullptr;
@@ -22,7 +28,6 @@ fn_RemoveTutorialText pfn_remove_tutorial_text = nullptr;
void* g_command_bar = nullptr;
fn_DebugPrint pfn_debug_print = nullptr;
fn_RegisterMember pfn_register_member = nullptr;
fn_LuaValueCtor pfn_lua_value_ctor = nullptr;
fn_ReturnVariable pfn_return_variable = nullptr;
fn_GotWrapperCtor real_got_wrapper_ctor = nullptr;
fn_LmfwCtor pfn_lmfw_ctor = nullptr;
@@ -36,6 +41,24 @@ void register_global(lua_State* L, const char* name, lua_CFunction fn) {
pfn_settable(L, LUA_GLOBALSINDEX);
}
void* CreateLuaValueString(const std::string& str) {
if (!g_rvas || !g_rvas->lua_value_string_vftable)
return nullptr;
void* obj = ::operator new(g_rvas->lua_value_string_size);
if (!obj)
return nullptr;
memset(obj, 0, g_rvas->lua_value_string_size);
// Set the vftable pointer
*(uintptr_t*)obj = g_base + g_rvas->lua_value_string_vftable;
// Placement-new the string into the member offset
new ((char*)obj + g_rvas->lua_value_string_offset) std::string(str);
return obj;
}
// Fired every time the game constructs a GameObjectTypeWrapper
static void* Hook_GOTWrapperCtor(void* this_wrapper) {
void* result = real_got_wrapper_ctor(this_wrapper);
@@ -73,6 +96,8 @@ bool LuaHook_Init() {
return false;
uintptr_t base = (uintptr_t)GetModuleHandleA(nullptr);
g_rvas = rvas;
g_base = base;
pfn_pushstring = (fn_lua_pushstring)(base + rvas->lua_pushstring);
pfn_pushcclosure = (fn_lua_pushcclosure)(base + rvas->lua_pushcclosure);
@@ -101,8 +126,6 @@ bool LuaHook_Init() {
if (rvas->register_member)
pfn_register_member = (fn_RegisterMember)(base + rvas->register_member);
if (rvas->lua_value_ctor)
pfn_lua_value_ctor = (fn_LuaValueCtor)(base + rvas->lua_value_ctor);
if (rvas->return_variable)
pfn_return_variable = (fn_ReturnVariable)(base + rvas->return_variable);
@@ -138,7 +161,7 @@ bool LuaHook_Init() {
if (rvas->got_wrapper_ctor && rvas->got_lmfw_ctor &&
pfn_register_member && pfn_lmfw_ctor &&
pfn_get_text_name_id && pfn_game_text_get && g_the_game_text &&
pfn_lua_value_ctor && pfn_return_variable)
rvas->lua_value_string_vftable && pfn_return_variable)
{
void* got_ctor_target = (void*)(base + rvas->got_wrapper_ctor);
if (MH_CreateHook(got_ctor_target, &Hook_GOTWrapperCtor, (void**)&real_got_wrapper_ctor) == MH_OK) {