316 lines
9.1 KiB
C++
316 lines
9.1 KiB
C++
#include <STDInclude.hpp>
|
|
#include "ScriptExtension.hpp"
|
|
#include "Script.hpp"
|
|
|
|
namespace Components
|
|
{
|
|
std::unordered_map<std::uint16_t, Game::ent_field_t> ScriptExtension::CustomEntityFields;
|
|
std::unordered_map<std::uint16_t, Game::client_fields_s> ScriptExtension::CustomClientFields;
|
|
|
|
void ScriptExtension::AddEntityField(const char* name, Game::fieldtype_t type,
|
|
const Game::ScriptCallbackEnt& setter, const Game::ScriptCallbackEnt& getter)
|
|
{
|
|
static std::uint16_t fieldOffsetStart = 15; // fields count
|
|
assert((fieldOffsetStart & Game::ENTFIELD_MASK) == Game::ENTFIELD_ENTITY);
|
|
|
|
CustomEntityFields[fieldOffsetStart] = {name, fieldOffsetStart, type, setter, getter};
|
|
++fieldOffsetStart;
|
|
}
|
|
|
|
void ScriptExtension::AddClientField(const char* name, Game::fieldtype_t type,
|
|
const Game::ScriptCallbackClient& setter, const Game::ScriptCallbackClient& getter)
|
|
{
|
|
static std::uint16_t fieldOffsetStart = 21; // fields count
|
|
assert((fieldOffsetStart & Game::ENTFIELD_MASK) == Game::ENTFIELD_ENTITY);
|
|
|
|
const auto offset = fieldOffsetStart | Game::ENTFIELD_CLIENT; // This is how client field's offset is calculated
|
|
|
|
// Use 'index' in 'array' as map key. It will be used later in Scr_SetObjectFieldStub
|
|
CustomClientFields[fieldOffsetStart] = {name, offset, type, setter, getter};
|
|
++fieldOffsetStart;
|
|
}
|
|
|
|
void ScriptExtension::GScr_AddFieldsForEntityStub()
|
|
{
|
|
for (const auto& [offset, field] : CustomEntityFields)
|
|
{
|
|
Game::Scr_AddClassField(Game::ClassNum::CLASS_NUM_ENTITY, field.name, field.ofs);
|
|
}
|
|
|
|
Utils::Hook::Call<void()>(0x4A7CF0)(); // GScr_AddFieldsForClient
|
|
|
|
for (const auto& [offset, field] : CustomClientFields)
|
|
{
|
|
Game::Scr_AddClassField(Game::ClassNum::CLASS_NUM_ENTITY, field.name, field.ofs);
|
|
}
|
|
}
|
|
|
|
// Because some functions are inlined we have to hook this function instead of Scr_SetEntityField
|
|
int ScriptExtension::Scr_SetObjectFieldStub(unsigned int classnum, int entnum, int offset)
|
|
{
|
|
if (classnum == Game::ClassNum::CLASS_NUM_ENTITY)
|
|
{
|
|
const auto entity_offset = static_cast<std::uint16_t>(offset);
|
|
if (const auto itr = CustomEntityFields.find(entity_offset); itr != CustomEntityFields.end())
|
|
{
|
|
itr->second.setter(&Game::g_entities[entnum], offset);
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
// No custom generic field was found, let the game handle it
|
|
return Game::Scr_SetObjectField(classnum, entnum, offset);
|
|
}
|
|
|
|
// Offset was already converted to array 'index' following binop offset & ~Game::ENTFIELD_MASK
|
|
void ScriptExtension::Scr_SetClientFieldStub(Game::gclient_s* client, int offset)
|
|
{
|
|
const auto client_offset = static_cast<std::uint16_t>(offset);
|
|
if (const auto itr = CustomClientFields.find(client_offset); itr != CustomClientFields.end())
|
|
{
|
|
itr->second.setter(client, &itr->second);
|
|
return;
|
|
}
|
|
|
|
// No custom field client was found, let the game handle it
|
|
Game::Scr_SetClientField(client, offset);
|
|
}
|
|
|
|
void ScriptExtension::Scr_GetEntityFieldStub(int entnum, int offset)
|
|
{
|
|
if ((offset & Game::ENTFIELD_MASK) == Game::ENTFIELD_CLIENT)
|
|
{
|
|
// If we have a ENTFIELD_CLIENT offset we need to check g_entity is actually a fully connected client
|
|
if (Game::g_entities[entnum].client != nullptr)
|
|
{
|
|
const auto client_offset = static_cast<std::uint16_t>(offset & ~Game::ENTFIELD_MASK);
|
|
if (const auto itr = CustomClientFields.find(client_offset); itr != CustomClientFields.end())
|
|
{
|
|
// Game functions probably don't ever need to use the reference to client_fields_s...
|
|
itr->second.getter(Game::g_entities[entnum].client, &itr->second);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Regular entity offsets can be searched directly in our custom handler
|
|
const auto entity_offset = static_cast<std::uint16_t>(offset);
|
|
|
|
if (const auto itr = CustomEntityFields.find(entity_offset); itr != CustomEntityFields.end())
|
|
{
|
|
itr->second.getter(&Game::g_entities[entnum], offset);
|
|
return;
|
|
}
|
|
|
|
// No custom generic field was found, let the game handle it
|
|
Game::Scr_GetEntityField(entnum, offset);
|
|
}
|
|
|
|
void ScriptExtension::AddFunctions()
|
|
{
|
|
// Misc functions
|
|
Script::AddFunction("ToUpper", [] // gsc: ToUpper(<string>)
|
|
{
|
|
const auto scriptValue = Game::Scr_GetConstString(0);
|
|
const auto* string = Game::SL_ConvertToString(scriptValue);
|
|
|
|
char out[1024] = {0}; // 1024 is the max for a string in this SL system
|
|
bool changed = false;
|
|
|
|
size_t i = 0;
|
|
while (i < sizeof(out))
|
|
{
|
|
const auto value = *string;
|
|
const auto result = static_cast<char>(std::toupper(static_cast<unsigned char>(value)));
|
|
out[i] = result;
|
|
|
|
if (value != result)
|
|
changed = true;
|
|
|
|
if (result == '\0') // Finished converting string
|
|
break;
|
|
|
|
++string;
|
|
++i;
|
|
}
|
|
|
|
// Null terminating character was overwritten
|
|
if (i >= sizeof(out))
|
|
{
|
|
Game::Scr_Error("string too long");
|
|
return;
|
|
}
|
|
|
|
if (changed)
|
|
{
|
|
Game::Scr_AddString(out);
|
|
}
|
|
else
|
|
{
|
|
Game::SL_AddRefToString(scriptValue);
|
|
Game::Scr_AddConstString(scriptValue);
|
|
Game::SL_RemoveRefToString(scriptValue);
|
|
}
|
|
});
|
|
|
|
// Func present on IW5
|
|
Script::AddFunction("StrICmp", [] // gsc: StrICmp(<string>, <string>)
|
|
{
|
|
const auto value1 = Game::Scr_GetConstString(0);
|
|
const auto value2 = Game::Scr_GetConstString(1);
|
|
|
|
const auto result = _stricmp(Game::SL_ConvertToString(value1),
|
|
Game::SL_ConvertToString(value2));
|
|
|
|
Game::Scr_AddInt(result);
|
|
});
|
|
|
|
// Func present on IW5
|
|
Script::AddFunction("IsEndStr", [] // gsc: IsEndStr(<string>, <string>)
|
|
{
|
|
const auto* str = Game::Scr_GetString(0);
|
|
const auto* suffix = Game::Scr_GetString(1);
|
|
|
|
if (str == nullptr || suffix == nullptr)
|
|
{
|
|
Game::Scr_Error("^1IsEndStr: Illegal parameters!\n");
|
|
return;
|
|
}
|
|
|
|
Game::Scr_AddBool(Utils::String::EndsWith(str, suffix));
|
|
});
|
|
|
|
Script::AddFunction("IsArray", [] // gsc: IsArray(<object>)
|
|
{
|
|
auto type = Game::Scr_GetType(0);
|
|
|
|
bool result;
|
|
if (type == Game::VAR_POINTER)
|
|
{
|
|
type = Game::Scr_GetPointerType(0);
|
|
assert(type >= Game::FIRST_OBJECT);
|
|
result = (type == Game::VAR_ARRAY);
|
|
}
|
|
else
|
|
{
|
|
assert(type < Game::FIRST_OBJECT);
|
|
result = false;
|
|
}
|
|
|
|
Game::Scr_AddBool(result);
|
|
});
|
|
|
|
// Func present on IW5
|
|
Script::AddFunction("CastFloat", [] // gsc: CastFloat()
|
|
{
|
|
switch (Game::Scr_GetType(0))
|
|
{
|
|
case Game::VAR_STRING:
|
|
Game::Scr_AddFloat(static_cast<float>(std::atof(Game::Scr_GetString(0))));
|
|
break;
|
|
case Game::VAR_FLOAT:
|
|
Game::Scr_AddFloat(Game::Scr_GetFloat(0));
|
|
break;
|
|
case Game::VAR_INTEGER:
|
|
Game::Scr_AddFloat(static_cast<float>(Game::Scr_GetInt(0)));
|
|
break;
|
|
default:
|
|
Game::Scr_ParamError(0, Utils::String::VA("cannot cast %s to float", Game::Scr_GetTypeName(0)));
|
|
break;
|
|
}
|
|
});
|
|
|
|
Script::AddFunction("Strtol", [] // gsc: Strtol(<string>, <int>)
|
|
{
|
|
const auto* input = Game::Scr_GetString(0);
|
|
const auto base = Game::Scr_GetInt(1);
|
|
|
|
char* end;
|
|
const auto result = std::strtol(input, &end, base);
|
|
if (input == end)
|
|
{
|
|
Game::Scr_ParamError(0, "cannot cast string to int");
|
|
}
|
|
|
|
Game::Scr_AddInt(result);
|
|
});
|
|
}
|
|
|
|
void ScriptExtension::AddMethods()
|
|
{
|
|
// ScriptExtension methods
|
|
Script::AddMethod("GetIp", [](const Game::scr_entref_t entref) // gsc: self GetIp()
|
|
{
|
|
const auto* ent = Game::GetPlayerEntity(entref);
|
|
const auto* client = Script::GetClient(ent);
|
|
|
|
std::string ip = Game::NET_AdrToString(client->header.netchan.remoteAddress);
|
|
|
|
if (const auto pos = ip.find_first_of(":"); pos != std::string::npos)
|
|
ip.erase(ip.begin() + pos, ip.end()); // Erase port
|
|
|
|
Game::Scr_AddString(ip.data());
|
|
});
|
|
|
|
Script::AddMethod("GetPing", [](const Game::scr_entref_t entref) // gsc: self GetPing()
|
|
{
|
|
const auto* ent = Game::GetPlayerEntity(entref);
|
|
const auto* client = Script::GetClient(ent);
|
|
|
|
Game::Scr_AddInt(client->ping);
|
|
});
|
|
|
|
Script::AddMethod("SetPing", [](const Game::scr_entref_t entref) // gsc: self SetPing(<int>)
|
|
{
|
|
auto ping = Game::Scr_GetInt(0);
|
|
|
|
ping = std::clamp(ping, 0, 999);
|
|
|
|
const auto* ent = Game::GetPlayerEntity(entref);
|
|
auto* client = Script::GetClient(ent);
|
|
|
|
client->ping = ping;
|
|
});
|
|
}
|
|
|
|
void ScriptExtension::AddEntityFields()
|
|
{
|
|
AddEntityField("entityflags", Game::F_INT,
|
|
[](Game::gentity_s* ent, [[maybe_unused]] int offset)
|
|
{
|
|
ent->flags = Game::Scr_GetInt(0);
|
|
},
|
|
[](Game::gentity_s* ent, [[maybe_unused]] int offset)
|
|
{
|
|
Game::Scr_AddInt(ent->flags);
|
|
});
|
|
}
|
|
|
|
void ScriptExtension::AddClientFields()
|
|
{
|
|
AddClientField("clientflags", Game::F_INT,
|
|
[](Game::gclient_s* pSelf, [[maybe_unused]] const Game::client_fields_s* pField)
|
|
{
|
|
pSelf->flags = Game::Scr_GetInt(0);
|
|
},
|
|
[](Game::gclient_s* pSelf, [[maybe_unused]] const Game::client_fields_s* pField)
|
|
{
|
|
Game::Scr_AddInt(pSelf->flags);
|
|
});
|
|
}
|
|
|
|
ScriptExtension::ScriptExtension()
|
|
{
|
|
AddFunctions();
|
|
AddMethods();
|
|
AddEntityFields();
|
|
AddClientFields();
|
|
|
|
Utils::Hook(0x4EC721, GScr_AddFieldsForEntityStub, HOOK_CALL).install()->quick(); // GScr_AddFieldsForEntity
|
|
|
|
Utils::Hook(0x41BED2, Scr_SetObjectFieldStub, HOOK_CALL).install()->quick(); // SetEntityFieldValue
|
|
Utils::Hook(0x5FBF01, Scr_SetClientFieldStub, HOOK_CALL).install()->quick(); // Scr_SetObjectField
|
|
Utils::Hook(0x4FF413, Scr_GetEntityFieldStub, HOOK_CALL).install()->quick(); // Scr_GetObjectField
|
|
}
|
|
}
|