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t8-mod/source/proxy-dll/component/gsc_funcs.cpp
Rim 2e2cbd26d1 maint: rebrand
2024-05-16 17:35:57 -04:00

1490 lines
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#include <std_include.hpp>
#include "gsc_funcs.hpp"
#include "gsc_custom.hpp"
#include "hashes.hpp"
#include "definitions/game.hpp"
#include "definitions/game_runtime_errors.hpp"
#include "definitions/xassets.hpp"
#include "loader/component_loader.hpp"
#include "component/scheduler.hpp"
#include <utilities/hook.hpp>
#include <utilities/io.hpp>
#include <utilities/json_config.hpp>
namespace gsc_funcs
{
uint32_t canon_hash(const char* str)
{
uint32_t hash = 0x4B9ACE2F;
for (const char* data = str; *data; data++)
{
char c = (char)tolower(*data);
hash = ((c + hash) ^ ((c + hash) << 10)) + (((c + hash) ^ ((c + hash) << 10)) >> 6);
}
uint32_t val = 0x8001 * ((9 * hash) ^ ((9 * hash) >> 11));
hashes::add_hash(val, str);
return val;
}
uint32_t canon_hash_pattern(const char* str)
{
std::string_view v{ str };
// basic notations hash_123, var_123
if (!v.rfind("hash_", 0)) return std::strtoul(&str[5], nullptr, 16) & 0xFFFFFFFF;
if (!v.rfind("var_", 0)) return std::strtoul(&str[4], nullptr, 16) & 0xFFFFFFFF;
// unknown, use hashed value
return canon_hash(str);
}
void gsc_error(const char* message, game::scriptInstance_t inst, bool terminal, ...)
{
static char buffer[game::scriptInstance_t::SCRIPTINSTANCE_MAX][0x800];
va_list va;
va_start(va, terminal);
vsprintf_s(buffer[inst], message, va);
va_end(va);
game::ScrVm_Error(game::runtime_errors::custom_error_id, inst, buffer[inst], terminal);
}
const char* lookup_hash(game::scriptInstance_t inst, const char* type, uint64_t hash)
{
static char buffer[game::SCRIPTINSTANCE_MAX][0x50];
const char* str = hashes::lookup(hash);
if (str)
{
return str;
}
sprintf_s(buffer[inst], "%s_%llx", type, hash);
return buffer[inst];
}
void ScrVm_AddToArrayIntIndexed(game::scriptInstance_t inst, uint64_t index)
{
auto& vm = game::scrVmPub[inst];
--vm.callNesting;
--vm.top;
game::ScrVarIndex_t varidx = game::ScrVar_NewVariableByIndex(inst, vm.top->u.pointerValue, index);
game::ScrVar_SetValue(inst, varidx, vm.top + 1);
}
namespace
{
constexpr auto gsc_json_data_name_max_length = 40;
constexpr const char* gsc_json_type = "$.type";
enum hud_elem_align_x
{
HUD_ALIGN_X_LEFT = 0,
HUD_ALIGN_X_CENTER,
HUD_ALIGN_X_RIGHT,
HUD_ALIGN_X_MAX,
};
enum hud_elem_align_y
{
HUD_ALIGN_Y_TOP = 0,
HUD_ALIGN_Y_MIDDLE,
HUD_ALIGN_Y_BOTTOM,
HUD_ALIGN_Y_MAX
};
struct hud_elem
{
std::string text{};
hud_elem_align_x align_x{};
hud_elem_align_y align_y{};
hud_elem_align_x anchor_x{};
hud_elem_align_y anchor_y{};
game::vec4_t color{ 1,1,1,1 };
float x{};
float y{};
float scale = 1;
void set_color_rgba(uint32_t rgba)
{
color[0] = (game::vec_t)(rgba & 0xFF) / 0x100;
color[1] = (game::vec_t)((rgba >> 8) & 0xFF) / 0x100;
color[2] = (game::vec_t)((rgba >> 16) & 0xFF) / 0x100;
uint32_t alpha = (rgba >> 24) & 0xFF;
color[3] = alpha ? (game::vec_t)(alpha) / 0x100 : 1;
}
float get_relative_x(float screen_width, float width) const
{
float delta{};
switch (align_x)
{
case HUD_ALIGN_X_LEFT:
delta = 0;
break;
case HUD_ALIGN_X_CENTER:
delta = -width / 2;
break;
case HUD_ALIGN_X_RIGHT:
delta = -width;
break;
}
switch (anchor_x)
{
case HUD_ALIGN_X_LEFT:
return delta + x;
case HUD_ALIGN_X_CENTER:
return screen_width / 2 + delta + x;
case HUD_ALIGN_X_RIGHT:
return screen_width + delta + x;
}
return 0;
}
float get_relative_y(float screen_height, float height) const
{
float delta{};
switch (align_y)
{
case HUD_ALIGN_Y_TOP:
delta = 0;
break;
case HUD_ALIGN_Y_MIDDLE:
delta = -height / 2;
break;
case HUD_ALIGN_Y_BOTTOM:
delta = -height;
break;
}
switch (anchor_y)
{
case HUD_ALIGN_Y_TOP:
return delta + y;
case HUD_ALIGN_Y_MIDDLE:
return screen_height / 2 + delta + y;
case HUD_ALIGN_Y_BOTTOM:
return screen_height + delta + y;
}
return 0;
}
};
std::unordered_map<uint64_t, hud_elem> hud_elems{};
void shield_log_from(game::scriptInstance_t inst, unsigned int offset)
{
game::ScrVarType_t type = game::ScrVm_GetType(inst, offset);
switch (type)
{
case game::TYPE_UNDEFINED:
logger::write(logger::LOG_TYPE_INFO, "[ %s VM ] undefined", inst ? "CSC" : "GSC");
break;
case game::TYPE_POINTER:
logger::write(logger::LOG_TYPE_INFO, "[ %s VM ] Pointer[%s]", inst ? "CSC" : "GSC", game::var_typename[game::ScrVm_GetPointerType(inst, offset)]);
break;
case game::TYPE_STRING:
logger::write(logger::LOG_TYPE_INFO, "[ %s VM ] %s", inst ? "CSC" : "GSC", game::ScrVm_GetString(inst, offset));
break;
case game::TYPE_HASH:
{
game::BO4_AssetRef_t hash{};
logger::write(logger::LOG_TYPE_INFO, "[ %s VM ] %llx", inst ? "CSC" : "GSC", lookup_hash(inst, "hash", game::ScrVm_GetHash(&hash, inst, offset)->hash));
}
break;
case game::TYPE_INTEGER:
logger::write(logger::LOG_TYPE_INFO, "[ %s VM ] %lld", inst ? "CSC" : "GSC", game::ScrVm_GetInt(inst, offset));
break;
case game::TYPE_FLOAT:
logger::write(logger::LOG_TYPE_INFO, "[ %s VM ] %f", inst ? "CSC" : "GSC", game::ScrVm_GetFloat(inst, offset));
break;
case game::TYPE_VECTOR:
{
game::vec3_t vec{};
game::ScrVm_GetVector(inst, offset, &vec);
logger::write(logger::LOG_TYPE_INFO, "[ %s VM ] (%f, %f, %f)", inst ? "CSC" : "GSC", vec[0], vec[1], vec[2]);
}
break;
default:
gsc_error("Call of ShieldLog with unknown type: %s", inst, false, game::var_typename[type]);
break;
}
}
void shield_log(game::scriptInstance_t inst)
{
shield_log_from(inst, 0);
}
void shield_clear_hud_elems(game::scriptInstance_t inst)
{
hud_elems.clear();
}
void shield_register_hud_elem(game::scriptInstance_t inst)
{
game::BO4_AssetRef_t hashRef{};
uint64_t id = game::ScrVm_GetHash(&hashRef, inst, 0)->hash;
hud_elem& elem = hud_elems[id];
uint32_t params = game::ScrVm_GetNumParam(inst);
if (params > 1)
{
elem.text = game::ScrVm_GetString(inst, 1);
}
else {
elem.text = "";
}
if (params > 2)
{
elem.set_color_rgba((uint32_t)game::ScrVm_GetInt(inst, 2));
}
else {
elem.set_color_rgba(0xFFFFFFFF);
}
if (params > 3)
{
elem.x = game::ScrVm_GetFloat(inst, 3);
}
else {
elem.x = 0;
}
if (params > 4)
{
elem.y = game::ScrVm_GetFloat(inst, 4);
}
else {
elem.y = 0;
}
if (params > 5)
{
int64_t val = game::ScrVm_GetInt(inst, 5);
if (val >= 0 && val > HUD_ALIGN_X_MAX)
{
gsc_error("bad hud anchor x value: %lld", inst, false, val);
elem.anchor_x = HUD_ALIGN_X_LEFT;
}
else {
elem.anchor_x = (hud_elem_align_x)val;
}
}
else {
elem.anchor_x = HUD_ALIGN_X_LEFT;
}
if (params > 6)
{
int64_t val = game::ScrVm_GetInt(inst, 6);
if (val >= 0 && val > HUD_ALIGN_Y_MAX)
{
gsc_error("bad hud anchor y value: %lld", inst, false, val);
elem.anchor_y = HUD_ALIGN_Y_TOP;
}
else {
elem.anchor_y = (hud_elem_align_y)val;
}
}
else {
elem.anchor_y = HUD_ALIGN_Y_TOP;
}
if (params > 7)
{
int64_t val = game::ScrVm_GetInt(inst, 7);
if (val >= 0 && val > HUD_ALIGN_X_MAX)
{
gsc_error("bad hud align x value: %lld", inst, false, val);
elem.align_x = HUD_ALIGN_X_LEFT;
}
else {
elem.align_x = (hud_elem_align_x)val;
}
}
else {
elem.align_x = HUD_ALIGN_X_LEFT;
}
if (params > 8)
{
int64_t val = game::ScrVm_GetInt(inst, 8);
if (val >= 0 && val > HUD_ALIGN_Y_MAX)
{
gsc_error("bad hud align y value: %lld", inst, false, val);
elem.align_y = HUD_ALIGN_Y_TOP;
}
else {
elem.align_y = (hud_elem_align_y)val;
}
}
else {
elem.align_y = HUD_ALIGN_Y_TOP;
}
if (params > 9)
{
float val = game::ScrVm_GetFloat(inst, 9);
if (val >= 0.01)
{
elem.scale = val;
}
else {
gsc_error("bad scale value: %f", inst, false, val);
elem.scale = 1.0;
}
}
else {
elem.scale = 1.0;
}
}
void shield_remove_hud_elem(game::scriptInstance_t inst)
{
game::BO4_AssetRef_t hashRef{};
hud_elems.erase(game::ScrVm_GetHash(&hashRef, inst, 0)->hash);
}
void shield_hud_elem_set_text(game::scriptInstance_t inst)
{
game::BO4_AssetRef_t hashRef{};
uint64_t id = game::ScrVm_GetHash(&hashRef, inst, 0)->hash;
auto it = hud_elems.find(id);
if (it == hud_elems.end())
{
gsc_error("can't find hud element with id 0x%llx", inst, false, id);
return;
}
it->second.text = game::ScrVm_GetString(inst, 1);
}
void shield_hud_elem_set_x(game::scriptInstance_t inst)
{
game::BO4_AssetRef_t hashRef{};
uint64_t id = game::ScrVm_GetHash(&hashRef, inst, 0)->hash;
auto it = hud_elems.find(id);
if (it == hud_elems.end())
{
gsc_error("can't find hud element with id 0x%llx", inst, false, id);
return;
}
it->second.x = game::ScrVm_GetFloat(inst, 1);
}
void shield_hud_elem_set_y(game::scriptInstance_t inst)
{
game::BO4_AssetRef_t hashRef{};
uint64_t id = game::ScrVm_GetHash(&hashRef, inst, 0)->hash;
auto it = hud_elems.find(id);
if (it == hud_elems.end())
{
gsc_error("can't find hud element with id 0x%llx", inst, false, id);
return;
}
it->second.y = game::ScrVm_GetFloat(inst, 1);
}
void shield_hud_elem_set_color(game::scriptInstance_t inst)
{
game::BO4_AssetRef_t hashRef{};
uint64_t id = game::ScrVm_GetHash(&hashRef, inst, 0)->hash;
auto it = hud_elems.find(id);
if (it == hud_elems.end())
{
gsc_error("can't find hud element with id 0x%llx", inst, false, id);
return;
}
hud_elem& elem = it->second;
uint32_t params = game::ScrVm_GetNumParam(inst);
if (params == 2)
{
game::ScrVarType_t type = game::ScrVm_GetType(inst, 1);
if (type == game::TYPE_VECTOR)
{
game::vec3_t vec{};
game::ScrVm_GetVector(inst, 1, &vec);
elem.color[0] = vec[0];
elem.color[1] = vec[1];
elem.color[2] = vec[2];
}
else if (type == game::TYPE_INTEGER)
{
elem.set_color_rgba((uint32_t)game::ScrVm_GetInt(inst, 1));
}
else
{
gsc_error("ShieldHudElemSetColor used with bad type %d", inst, false, type);
return;
}
}
else if (params == 4)
{
bool float_based = game::ScrVm_GetType(inst, 1) == game::TYPE_FLOAT || game::ScrVm_GetType(inst, 2) == game::TYPE_FLOAT || game::ScrVm_GetType(inst, 3) == game::TYPE_FLOAT;
bool int_based = game::ScrVm_GetType(inst, 1) == game::TYPE_INTEGER || game::ScrVm_GetType(inst, 2) == game::TYPE_INTEGER || game::ScrVm_GetType(inst, 3) == game::TYPE_INTEGER;
if (float_based && int_based)
{
gsc_error("ShieldHudElemSetColor should be used with only integers or floats", inst, false);
return;
}
if (float_based)
{
elem.color[0] = game::ScrVm_GetFloat(inst, 1);
elem.color[1] = game::ScrVm_GetFloat(inst, 2);
elem.color[2] = game::ScrVm_GetFloat(inst, 3);
} else
{
elem.color[0] = (game::vec_t)game::ScrVm_GetInt(inst, 1) / 0x100;
elem.color[1] = (game::vec_t)game::ScrVm_GetInt(inst, 2) / 0x100;
elem.color[2] = (game::vec_t)game::ScrVm_GetInt(inst, 3) / 0x100;
}
}
else
{
gsc_error("usage of ShieldHudElemSetColor with a bad number of params", inst, false);
}
}
void shield_hud_elem_set_scale(game::scriptInstance_t inst)
{
game::BO4_AssetRef_t hashRef{};
uint64_t id = game::ScrVm_GetHash(&hashRef, inst, 0)->hash;
auto it = hud_elems.find(id);
if (it == hud_elems.end())
{
gsc_error("can't find hud element with id 0x%llx", inst, false, id);
return;
}
float val = game::ScrVm_GetFloat(inst, 1);
if (val >= 0.01)
{
it->second.scale = val;
}
else {
gsc_error("bad scale value: %f", inst, false, val);
}
}
void serious_custom_func(game::scriptInstance_t inst)
{
// the t8compiler is converting the calls of compiler::func_name(...) to
// SeriousCustom(#"func_name", ...) using the canon id hash for func_name
uint64_t hash = ((uint64_t)game::ScrVm_GetInt(inst, 0)) & 0xFFFFFFFF;
static uint64_t detour_cid = canon_hash("detour");
static uint64_t relink_detour_cid = canon_hash("relinkdetours");
static uint64_t nprintln_cid = canon_hash("nprintln");
if (hash == detour_cid || hash == relink_detour_cid)
{
logger::write(logger::LOG_TYPE_WARN, "a detour link function was called, but it isn't required by this client.");
}
else if (hash == nprintln_cid)
{
shield_log_from(inst, 1);
}
else
{
gsc_error("compiler::%s not implemented", inst, false, lookup_hash(inst, "function", hash));
}
}
void pre_cache_resource(game::scriptInstance_t inst)
{
game::BO4_AssetRef_t hashRef{};
byte type;
if (game::ScrVm_GetType(inst, 0) == game::TYPE_STRING)
{
type = xassets::BG_Cache_GetTypeIndex(game::ScrVm_GetString(inst, 0));
}
else if (game::ScrVm_GetType(inst, 0) == game::TYPE_INTEGER)
{
type = (byte)(game::ScrVm_GetInt(inst, 0) & 0xFF);
}
else
{
gsc_error("bad param type for PreCache, excepted int or string, received %s", inst, false, game::var_typename[game::ScrVm_GetType(inst, 0)]);
return;
}
if (!type || type >= xassets::BG_CACHE_TYPE_COUNT)
{
gsc_error("bad bgcache type for PreCache", inst, false);
return;
}
uint64_t res = game::ScrVm_GetHash(&hashRef, inst, 1)->hash;
logger::write(logger::LOG_TYPE_DEBUG, "precaching resource type=%d/name=hash_%llx", type, res);
hashRef.hash = res;
hashRef.null = 0;
xassets::BG_Cache_RegisterAndGet((xassets::BGCacheTypes)type, &hashRef);
}
void shield_to_json_val(game::scriptInstance_t inst, game::ScrVarValue_t* val, rapidjson::Value& member, rapidjson::Document& doc, int depth)
{
if (depth >= 10)
{
// avoid recursion
member.SetNull();
return;
}
switch (val->type)
{
case game::TYPE_UNDEFINED: return; // ignore
case game::TYPE_FLOAT:
{
member.SetFloat(val->u.floatValue);
}
break;
case game::TYPE_INTEGER:
{
member.SetInt64(val->u.intValue);
}
break;
case game::TYPE_STRING:
{
member.SetString(game::ScrStr_ConvertToString(val->u.pointerValue), doc.GetAllocator());
}
break;
case game::TYPE_VECTOR:
{
member.SetObject();
auto obj = member.GetObj();
obj.AddMember(rapidjson::StringRef(gsc_json_type), "vector", doc.GetAllocator());
obj.AddMember(rapidjson::StringRef("x"), val->u.vectorValue[0], doc.GetAllocator());
obj.AddMember(rapidjson::StringRef("y"), val->u.vectorValue[1], doc.GetAllocator());
obj.AddMember(rapidjson::StringRef("z"), val->u.vectorValue[2], doc.GetAllocator());
}
break;
case game::TYPE_HASH:
{
member.SetObject();
auto obj = member.GetObj();
obj.AddMember(rapidjson::StringRef(gsc_json_type), "hash", doc.GetAllocator());
auto hash = val->u.intValue & 0x7FFFFFFFFFFFFFFF;
std::string name = std::format("hash_{:x}", hash);
obj.AddMember(rapidjson::StringRef("hash"), name, doc.GetAllocator());
}
break;
case game::TYPE_POINTER:
{
game::ScrVarIndex_t ptr_id = val->u.pointerValue;
game::ScrVarValue_t& ptr_val = game::scrVarGlob[inst].scriptValues[ptr_id];
member.SetObject();
auto obj = member.GetObj();
if (ptr_val.type == game::TYPE_ARRAY)
{
obj.AddMember(rapidjson::StringRef(gsc_json_type), "array", doc.GetAllocator());
auto size = game::scrVarGlob[inst].scriptVariablesObjectInfo1[ptr_id].size;
if (size)
{
game::ScrVar_t* var = &game::scrVarGlob[inst].scriptVariables[ptr_val.u.pointerValue];
game::ScrVarValue_t* value = &game::scrVarGlob[inst].scriptValues[ptr_val.u.pointerValue];
while (var)
{
rapidjson::Value subval{};
// read struct value
shield_to_json_val(inst, value, subval, doc, depth + 1);
if (var->_anon_0.nameType == 1) // integer index
{
std::string keyval = std::format("{}", var->nameIndex);
rapidjson::Value keyjson{ rapidjson::kStringType };
keyjson.SetString(keyval, doc.GetAllocator());
obj.AddMember(keyjson, subval, doc.GetAllocator());
}
else
{
std::string keyval = std::format("#var_{:x}", var->nameIndex);
rapidjson::Value keyjson{ rapidjson::kStringType };
keyjson.SetString(keyval, doc.GetAllocator());
obj.AddMember(keyjson, subval, doc.GetAllocator());
}
if (!var->nextSibling)
{
break;
}
value = &game::scrVarGlob[inst].scriptValues[var->nextSibling];
var = &game::scrVarGlob[inst].scriptVariables[var->nextSibling];
}
}
return;
}
if (ptr_val.type == game::TYPE_STRUCT)
{
auto size = game::scrVarGlob[inst].scriptVariablesObjectInfo1[ptr_id].size;
if (size)
{
game::ScrVar_t* var = &game::scrVarGlob[inst].scriptVariables[ptr_val.u.pointerValue];
game::ScrVarValue_t* value = &game::scrVarGlob[inst].scriptValues[ptr_val.u.pointerValue];
while (var)
{
rapidjson::Value subval{};
// read struct value
shield_to_json_val(inst, value, subval, doc, depth + 1);
std::string keyval = std::format("var_{:x}", var->nameIndex);
rapidjson::Value keyjson{ rapidjson::kStringType };
keyjson.SetString(keyval, doc.GetAllocator());
obj.AddMember(keyjson, subval, doc.GetAllocator());
if (!var->nextSibling)
{
break;
}
value = &game::scrVarGlob[inst].scriptValues[var->nextSibling];
var = &game::scrVarGlob[inst].scriptVariables[var->nextSibling];
}
}
return;
}
// shared_struct and entity aren't using the same syntax
gsc_error("invalid tojson param pointer type: %s", inst, false, game::var_typename[ptr_val.type]);
return;
}
break;
default:
{
gsc_error("invalid tojson param type: %s", inst, false, game::var_typename[val->type]);
return;
}
}
}
void shield_to_json(game::scriptInstance_t inst)
{
const char* fileid = game::ScrVm_GetString(inst, 0);
std::string_view v{ fileid };
if (v.rfind("/", 0) != std::string::npos || v.rfind("\\", 0) != std::string::npos)
{
gsc_error("can't save json containing '/' or '\\'", inst, false);
return;
}
if (v.length() > gsc_json_data_name_max_length)
{
gsc_error("json name can't be longer than %d", inst, false, gsc_json_data_name_max_length);
return;
}
std::string file{ std::format("t8-mod/saved/{}/{}.json", (inst ? "client" : "server"), fileid) };
if (inst)
{
std::filesystem::create_directories("t8-mod/saved/client");
}
else
{
std::filesystem::create_directories("t8-mod/saved/server");
}
game::ScrVarValue_t* val = &game::scrVmPub[inst].top[-1];
if (game::ScrVm_GetNumParam(inst) == 1 || val->type == game::TYPE_UNDEFINED)
{
std::filesystem::remove(file);
return;
}
rapidjson::Document doc{};
shield_to_json_val(inst, val, doc, doc, 0);
rapidjson::StringBuffer buffer;
rapidjson::PrettyWriter<rapidjson::StringBuffer> writer(buffer);
doc.Accept(writer);
std::string json_data(buffer.GetString(), buffer.GetLength());
utilities::io::write_file(file, json_data);
}
void shield_from_json_push_struct(game::scriptInstance_t inst, rapidjson::Value& member)
{
if (member.IsString())
{
game::ScrVm_AddString(inst, member.GetString());
return;
}
if (member.IsFloat())
{
game::ScrVm_AddFloat(inst, member.GetFloat());
return;
}
if (member.IsNumber())
{
game::ScrVm_AddInt(inst, member.GetInt64());
return;
}
if (member.IsBool())
{
game::ScrVm_AddBool(inst, member.GetBool());
return;
}
if (member.IsNull())
{
logger::write(logger::LOG_TYPE_WARN, "ShieldFromJson: read null");
game::ScrVm_AddUndefined(inst);
return;
}
if (member.IsArray())
{
auto arr = member.GetArray();
game::ScrVar_PushArray(inst);
for (rapidjson::Value& elem : arr)
{
shield_from_json_push_struct(inst, elem);
game::ScrVm_AddToArray(inst);
}
return;
}
if (member.IsObject())
{
auto obj = member.GetObj();
auto typefield = obj.FindMember(gsc_json_type);
if (typefield != obj.MemberEnd() && typefield->value.IsString())
{
const char* type = typefield->value.GetString();
if (!_strcmpi(type, "array"))
{
game::ScrVar_PushArray(inst);
game::BO4_AssetRef_t name{};
for (auto& [key, elem] : obj)
{
if (!key.IsString())
{
gsc_error("read bad key value for array", inst, false);
return;
}
if (!_strcmpi(key.GetString(), gsc_json_type))
{
continue;
}
const char* keystr = key.GetString();
if (!*keystr)
{
continue;
}
shield_from_json_push_struct(inst, elem);
if (*keystr == '#')
{
name.hash = fnv1a::generate_hash_pattern(key.GetString() + 1);
game::ScrVm_AddToArrayStringIndexed(inst, &name);
}
else
{
uint64_t keyval{};
try
{
keyval = std::strtoull(keystr, nullptr, 10);
}
catch (const std::invalid_argument& e)
{
gsc_error("invalid key for array member %s", inst, false, e.what());
return;
}
ScrVm_AddToArrayIntIndexed(inst, keyval);
}
}
return;
}
if (!_strcmpi(type, "vector"))
{
auto x = obj.FindMember("x");
auto y = obj.FindMember("y");
auto z = obj.FindMember("z");
if (
x != obj.MemberEnd() && y != obj.MemberEnd() && z != obj.MemberEnd()
&& x->value.IsNumber() && y->value.IsNumber() && z->value.IsNumber())
{
game::vec3_t vec{};
vec[0] = x->value.GetFloat();
vec[1] = y->value.GetFloat();
vec[2] = z->value.GetFloat();
game::ScrVm_AddVector(inst, &vec);
return;
}
}
if (!_strcmpi(type, "hash"))
{
auto value = obj.FindMember("hash");
if (value != obj.MemberEnd() && value->value.IsString()) {
game::BO4_AssetRef_t hash
{
.hash = (int64_t)fnv1a::generate_hash_pattern(value->value.GetString())
};
game::ScrVm_AddHash(inst, &hash);
return;
}
}
}
// object by default
uint32_t struct_id = game::ScrVm_AddStruct(inst);
for (auto& [key, elem] : obj)
{
if (!key.IsString())
{
gsc_error("read bad key value for struct", inst, false);
return;
}
if (!_strcmpi(key.GetString(), gsc_json_type))
{
continue;
}
shield_from_json_push_struct(inst, elem);
game::ScrVm_SetStructField(inst, struct_id, canon_hash_pattern(key.GetString()));
}
return;
}
gsc_error("bad json element: %d", inst, false, (int)member.GetType());
}
void shield_from_json(game::scriptInstance_t inst)
{
const char* fileid = game::ScrVm_GetString(inst, 0);
std::string_view v{ fileid };
if (v.rfind("/", 0) != std::string::npos || v.rfind("\\", 0) != std::string::npos)
{
gsc_error("can't save json containing '/' or '\\'", inst, false);
return;
}
if (v.length() > gsc_json_data_name_max_length)
{
gsc_error("json name can't be longer than %d", inst, false, gsc_json_data_name_max_length);
return;
}
std::string file{ std::format("t8-mod/saved/{}/{}.json", (inst ? "client" : "server"), fileid) };
std::string file_content{};
if (!utilities::io::read_file(file, &file_content))
{
logger::write(logger::LOG_TYPE_WARN, "trying to read unknown config file %s", file.c_str());
return;
}
rapidjson::Document doc{};
doc.Parse(file_content);
shield_from_json_push_struct(inst, doc);
}
game::BO4_BuiltinFunctionDef custom_functions_gsc[] =
{
{ // ShieldLog(message)
.canonId = canon_hash("ShieldLog"),
.min_args = 1,
.max_args = 1,
.actionFunc = shield_log,
.type = 0,
},
{ // ShieldClearHudElems()
.canonId = canon_hash("ShieldClearHudElems"),
.min_args = 0,
.max_args = 0,
.actionFunc = shield_clear_hud_elems,
.type = 0,
},
{ // ShieldRegisterHudElem(id, text = "", color = 0xFFFFFFFF, x = 0, y = 0, anchor_x = 0, anchor_y = 0, align_x = 0, align_y = 0, scale = 1.0)
.canonId = canon_hash("ShieldRegisterHudElem"),
.min_args = 1,
.max_args = 10,
.actionFunc = shield_register_hud_elem,
.type = 0,
},
{ // ShieldRemoveHudElem(id)
.canonId = canon_hash("ShieldRemoveHudElem"),
.min_args = 1,
.max_args = 1,
.actionFunc = shield_remove_hud_elem,
.type = 0,
},
{ // ShieldHudElemSetText(id, text)
.canonId = canon_hash("ShieldHudElemSetText"),
.min_args = 2,
.max_args = 2,
.actionFunc = shield_hud_elem_set_text,
.type = 0,
},
{ // ShieldHudElemSetX(id, x)
.canonId = canon_hash("ShieldHudElemSetX"),
.min_args = 2,
.max_args = 2,
.actionFunc = shield_hud_elem_set_x,
.type = 0,
},
{ // ShieldHudElemSetY(id, y)
.canonId = canon_hash("ShieldHudElemSetY"),
.min_args = 2,
.max_args = 2,
.actionFunc = shield_hud_elem_set_y,
.type = 0,
},
{ // ShieldHudElemSetColor(id, color_vec) | ShieldHudElemSetColor(id, color_rgba) | ShieldHudElemSetColor(id, r, g, b)
.canonId = canon_hash("ShieldHudElemSetColor"),
.min_args = 2,
.max_args = 4,
.actionFunc = shield_hud_elem_set_color,
.type = 0,
},
{ // ShieldHudElemSetScale(id, scale)
.canonId = canon_hash("ShieldHudElemSetScale"),
.min_args = 2,
.max_args = 2,
.actionFunc = shield_hud_elem_set_scale,
.type = 0,
},
{ // SeriousCustom(func_hash, ...)
.canonId = canon_hash(serious_custom_func_name),
.min_args = 1,
.max_args = 255,
.actionFunc = serious_custom_func,
.type = 0,
},
{ // PreCache(type, name)
.canonId = canon_hash("PreCache"),
.min_args = 2,
.max_args = 2,
.actionFunc = pre_cache_resource,
.type = 0,
},
{ // ShieldFromJson(name)->object
.canonId = canon_hash("ShieldFromJson"),
.min_args = 1,
.max_args = 1,
.actionFunc = shield_from_json,
.type = 0
},
{ // ShieldFromJson(name)
.canonId = canon_hash("ShieldRemoveJson"),
.min_args = 1,
.max_args = 1,
.actionFunc = shield_to_json,
.type = 0
},
{// ShieldFromJson(name, object = undefined)
.canonId = canon_hash("ShieldToJson"),
.min_args = 1,
.max_args = 2,
.actionFunc = shield_to_json,
.type = 0
}
};
game::BO4_BuiltinFunctionDef custom_functions_csc[] =
{
{ // ShieldLog(message)
.canonId = canon_hash("ShieldLog"),
.min_args = 1,
.max_args = 1,
.actionFunc = shield_log,
.type = 0,
},
{ // ShieldClearHudElems()
.canonId = canon_hash("ShieldClearHudElems"),
.min_args = 0,
.max_args = 0,
.actionFunc = shield_clear_hud_elems,
.type = 0,
},
{ // ShieldRegisterHudElem(id, text = "", color = 0xFFFFFFFF, x = 0, y = 0, anchor_x = 0, anchor_y = 0, align_x = 0, align_y = 0, scale = 1.0)
.canonId = canon_hash("ShieldRegisterHudElem"),
.min_args = 1,
.max_args = 10,
.actionFunc = shield_register_hud_elem,
.type = 0,
},
{ // ShieldRemoveHudElem(id)
.canonId = canon_hash("ShieldRemoveHudElem"),
.min_args = 1,
.max_args = 1,
.actionFunc = shield_remove_hud_elem,
.type = 0,
},
{ // ShieldHudElemSetText(id, text)
.canonId = canon_hash("ShieldHudElemSetText"),
.min_args = 2,
.max_args = 2,
.actionFunc = shield_hud_elem_set_text,
.type = 0,
},
{ // ShieldHudElemSetX(id, x)
.canonId = canon_hash("ShieldHudElemSetX"),
.min_args = 2,
.max_args = 2,
.actionFunc = shield_hud_elem_set_x,
.type = 0,
},
{ // ShieldHudElemSetY(id, y)
.canonId = canon_hash("ShieldHudElemSetY"),
.min_args = 2,
.max_args = 2,
.actionFunc = shield_hud_elem_set_y,
.type = 0,
},
{ // ShieldHudElemSetColor(id, color_vec) | ShieldHudElemSetColor(id, color_rgba) | ShieldHudElemSetColor(id, r, g, b)
.canonId = canon_hash("ShieldHudElemSetColor"),
.min_args = 2,
.max_args = 4,
.actionFunc = shield_hud_elem_set_color,
.type = 0,
},
{ // ShieldHudElemSetScale(id, scale)
.canonId = canon_hash("ShieldHudElemSetScale"),
.min_args = 2,
.max_args = 2,
.actionFunc = shield_hud_elem_set_scale,
.type = 0,
},
{ // SeriousCustom(func_hash, ...)
.canonId = canon_hash(serious_custom_func_name),
.min_args = 1,
.max_args = 255,
.actionFunc = serious_custom_func,
.type = 0,
},
{ // ShieldFromJson(name)->object
.canonId = canon_hash("ShieldFromJson"),
.min_args = 1,
.max_args = 1,
.actionFunc = shield_from_json,
.type = 0
},
{ // ShieldFromJson(name)
.canonId = canon_hash("ShieldRemoveJson"),
.min_args = 1,
.max_args = 1,
.actionFunc = shield_to_json,
.type = 0
},
{// ShieldToJson(name, object = undefined)
.canonId = canon_hash("ShieldToJson"),
.min_args = 1,
.max_args = 2,
.actionFunc = shield_to_json,
.type = 0
}
};
void draw_hud()
{
const game::vec_t screen_width = game::ScrPlace_GetView(0)->realViewportSize[0];
const game::vec_t screen_height = game::ScrPlace_GetView(0)->realViewportSize[1];
if (game::Com_IsRunningUILevel())
{
// clear huds
hud_elems.clear();
return;
}
// render huds
void* font = reinterpret_cast<void*>(game::sharedUiInfo->assets.bigFont);
if (!font) return;
for (auto& [id, elem] : hud_elems)
{
const char* text = elem.text.c_str();
int height = game::UI_TextHeight(font, elem.scale);
int width = game::UI_TextWidth(0, text, 0x7FFFFFFF, font, elem.scale);
float rx = elem.get_relative_x(screen_width, (float)width);
float ry = elem.get_relative_y(screen_height, (float)height) + height;
game::R_AddCmdDrawText(text, 0x7FFFFFFF, font, rx, ry, elem.scale, elem.scale, 0.0f, elem.color, 0);
}
}
}
bool enable_dev_func = false;
utilities::hook::detour scr_get_function_reverse_lookup;
utilities::hook::detour cscr_get_function_reverse_lookup;
utilities::hook::detour scr_get_function;
utilities::hook::detour cscr_get_function;
utilities::hook::detour scr_get_method;
utilities::hook::detour cscr_get_method;
utilities::hook::detour scrvm_error;
bool scr_get_function_reverse_lookup_stub(void* func, uint32_t* hash, bool* isFunction)
{
if (scr_get_function_reverse_lookup.invoke<bool>(func, hash, isFunction))
{
return true;
}
auto f = std::find_if(std::begin(custom_functions_gsc), std::end(custom_functions_gsc), [func](const game::BO4_BuiltinFunctionDef& def) { return def.actionFunc == func; });
if (f != std::end(custom_functions_gsc))
{
*hash = f->canonId;
*isFunction = true;
return true;
}
return false;
}
bool cscr_get_function_reverse_lookup_stub(void* func, uint32_t* hash, bool* isFunction)
{
if (cscr_get_function_reverse_lookup.invoke<bool>(func, hash, isFunction))
{
return true;
}
auto f = std::find_if(std::begin(custom_functions_csc), std::end(custom_functions_csc), [func](const game::BO4_BuiltinFunctionDef& def) { return def.actionFunc == func; });
if (f != std::end(custom_functions_csc))
{
*hash = f->canonId;
*isFunction = true;
return true;
}
return false;
}
void* scr_get_function_stub(uint32_t name, int32_t* type, int32_t* min_args, int32_t* max_args)
{
void* func = scr_get_function.invoke<void*>(name, type, min_args, max_args);
if (enable_dev_func)
{
*type = 0;
}
if (func)
{
return func;
}
auto f = std::find_if(std::begin(custom_functions_gsc), std::end(custom_functions_gsc), [name](const game::BO4_BuiltinFunctionDef& func) { return func.canonId == name; });
if (f != std::end(custom_functions_gsc))
{
*type = f->type && !enable_dev_func;
*min_args = f->min_args;
*max_args = f->max_args;
return f->actionFunc;
}
return nullptr;
}
void* cscr_get_function_stub(uint32_t name, int32_t* type, int32_t* min_args, int32_t* max_args)
{
void* func = cscr_get_function.invoke<void*>(name, type, min_args, max_args);
if (enable_dev_func)
{
*type = 0;
}
if (func)
{
return func;
}
auto f = std::find_if(std::begin(custom_functions_csc), std::end(custom_functions_csc), [name](const game::BO4_BuiltinFunctionDef& func) { return func.canonId == name; });
if (f != std::end(custom_functions_csc))
{
*type = f->type && !enable_dev_func;
*min_args = f->min_args;
*max_args = f->max_args;
return f->actionFunc;
}
return nullptr;
}
void* scr_get_method_stub(uint32_t name, int32_t* type, int32_t* min_args, int32_t* max_args)
{
void* func = scr_get_method.invoke<void*>(name, type, min_args, max_args);
if (enable_dev_func)
{
*type = 0;
}
return func;
}
void* cscr_get_method_stub(uint32_t name, int32_t* type, int32_t* min_args, int32_t* max_args)
{
void* func = cscr_get_method.invoke<void*>(name, type, min_args, max_args);
if (enable_dev_func)
{
*type = 0;
}
return func;
}
void scrvm_error_stub(uint64_t code, game::scriptInstance_t inst, char* unused, bool terminal)
{
static char buffer[game::scriptInstance_t::SCRIPTINSTANCE_MAX][0x200] = { 0 };
// reimplement assert/assertmsg/errormsg functions
switch (code)
{
case 2737681163:// Assert(val, msg) with message error
{
const char* msg = game::ScrVm_GetString(inst, 1);
sprintf_s(buffer[inst], "assert fail: %s", msg);
game::scrVarPub[inst].error_message = buffer[inst];
}
break;
case 1385570291:// AssertMsg(msg)
{
const char* msg = game::ScrVm_GetString(inst, 0);
sprintf_s(buffer[inst], "assert fail: %s", msg);
game::scrVarPub[inst].error_message = buffer[inst];
}
break;
case 2532286589:// ErrorMsg(msg)
{
const char* msg = game::ScrVm_GetString(inst, 0);
sprintf_s(buffer[inst], "error: %s", msg);
game::scrVarPub[inst].error_message = buffer[inst];
}
break;
default:
// put custom message for our id
if (code == game::runtime_errors::custom_error_id)
{
game::scrVarPub[inst].error_message = unused;
}
else
{
game::scrVarPub[inst].error_message = game::runtime_errors::get_error_message(code);
}
break;
}
logger::write(terminal ? logger::LOG_TYPE_ERROR : logger::LOG_TYPE_WARN, "[ %s VM ] %s (%lld)",
inst ? "CSC" : "GSC", game::scrVarPub[inst].error_message ? game::scrVarPub[inst].error_message : "no message", code);
scrvm_error.invoke<void>(code, inst, unused, terminal);
}
void scrvm_log_compiler_error(const char* fmt, ...)
{
va_list va;
va_start(va, fmt);
char buffer[0x800];
int e = vsprintf_s(buffer, fmt, va);
va_end(va);
if (e > 0 && buffer[e - 1] == '\n')
{
buffer[e - 1] = 0; // remove end new line
}
std::string str{ buffer };
logger::write(logger::LOG_TYPE_ERROR, str);
}
void patch_scrvm_runtime_error()
{
const auto scrvm_runtimeerror = 0x1427775B0_g;
void* stub = utilities::hook::assemble([scrvm_runtimeerror](utilities::hook::assembler& a)
{
a.mov(ebx, 0x20); // set errorcode to 0x20
a.mov(al, 0); // set ZF to avoid the ebx overwrite
a.jmp(scrvm_runtimeerror + 0x3DC);
}
);
utilities::hook::jump(scrvm_runtimeerror + 0x3A0, stub);
}
void get_gsc_export_info(game::scriptInstance_t inst, byte* codepos, const char** scriptname, int32_t* sloc, int32_t* crc, int32_t* vm)
{
static char scriptnamebuffer[game::scriptInstance_t::SCRIPTINSTANCE_MAX][0x200];
game::GSC_OBJ* script_obj = nullptr;
{
game::scoped_critical_section scs{ 0x36, game::SCOPED_CRITSECT_NORMAL };
uint32_t count = game::gObjFileInfoCount[inst];
for (size_t i = 0; i < count; i++)
{
game::objFileInfo_t& info = (*game::gObjFileInfo)[inst][i];
game::GSC_OBJ* obj = info.activeVersion;
if (codepos >= obj->magic + obj->start_data && codepos < obj->magic + obj->start_data + obj->data_length)
{
script_obj = obj;
break;
}
}
}
if (script_obj)
{
game::GSC_EXPORT_ITEM* export_item = nullptr;
uint32_t rloc = (uint32_t)(codepos - script_obj->magic);
for (size_t i = 0; i < script_obj->exports_count; i++)
{
game::GSC_EXPORT_ITEM* exp = reinterpret_cast<game::GSC_EXPORT_ITEM*>(script_obj->magic + script_obj->exports_offset) + i;
if (rloc < exp->address)
{
continue; // our code is after
}
if (export_item && export_item->address > exp->address)
{
continue; // we already have a better candidate
}
export_item = exp;
}
if (scriptname)
{
if (export_item)
{
std::string script_name = lookup_hash(inst, "script", script_obj->name & 0x7FFFFFFFFFFFFFFF);
sprintf_s(scriptnamebuffer[inst], "%s::%s@%x", script_name.c_str(), lookup_hash(inst, "function", export_item->name), rloc - export_item->address);
} else
{
sprintf_s(scriptnamebuffer[inst], "%s", lookup_hash(inst, "script", script_obj->name & 0x7FFFFFFFFFFFFFFF));
}
*scriptname = scriptnamebuffer[inst];
}
if (sloc)
{
*sloc = rloc;
}
if (crc)
{
*crc = script_obj->crc;
}
if (vm)
{
*vm = script_obj->magic[7];
}
}
}
class component final : public component_interface
{
public:
void post_unpack() override
{
// enable dev functions still available in the game
enable_dev_func = utilities::json_config::ReadBoolean("gsc", "dev_funcs", false);
scr_get_function_reverse_lookup.create(0x1433AF8A0_g, scr_get_function_reverse_lookup_stub);
cscr_get_function_reverse_lookup.create(0x141F132A0_g, cscr_get_function_reverse_lookup_stub);
cscr_get_function.create(0x141F13140_g, cscr_get_function_stub);
cscr_get_method.create(0x141F13650_g, cscr_get_method_stub);
scr_get_function.create(0x1433AF840_g, scr_get_function_stub);
scr_get_method.create(0x1433AFC20_g, scr_get_method_stub);
// log gsc errors
scrvm_error.create(0x142770330_g, scrvm_error_stub);
utilities::hook::jump(0x142890470_g, scrvm_log_compiler_error);
// better runtime error
utilities::hook::jump(0x142748550_g, get_gsc_export_info);
patch_scrvm_runtime_error();
scheduler::loop(draw_hud, scheduler::renderer);
}
};
}
REGISTER_COMPONENT(gsc_funcs::component)
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