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Location: cpp/openttd-patchpack/source/src/script/api/script_event_types.cpp - annotation
r28278:1fc682037ca2
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Codechange: Use Ticks for BaseConsist timetable fields
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* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file script_event_types.cpp Implementation of all EventTypes. */
#include "../../stdafx.h"
#include "script_event_types.hpp"
#include "script_vehicle.hpp"
#include "script_log.hpp"
#include "../../strings_func.h"
#include "../../settings_type.h"
#include "../../engine_base.h"
#include "../../articulated_vehicles.h"
#include "../../string_func.h"
#include "../../economy_cmd.h"
#include "../../engine_cmd.h"
#include "../../3rdparty/nlohmann/json.hpp"
#include "table/strings.h"
#include "../../safeguards.h"
bool ScriptEventEnginePreview::IsEngineValid() const
{
const Engine *e = ::Engine::GetIfValid(this->engine);
return e != nullptr && e->IsEnabled();
}
std::optional<std::string> ScriptEventEnginePreview::GetName()
{
if (!this->IsEngineValid()) return std::nullopt;
::SetDParam(0, this->engine);
return GetString(STR_ENGINE_NAME);
}
CargoID ScriptEventEnginePreview::GetCargoType()
{
if (!this->IsEngineValid()) return CT_INVALID;
CargoArray cap = ::GetCapacityOfArticulatedParts(this->engine);
auto it = std::max_element(std::cbegin(cap), std::cend(cap));
if (*it == 0) return CT_INVALID;
return CargoID(std::distance(std::cbegin(cap), it));
}
int32_t ScriptEventEnginePreview::GetCapacity()
{
if (!this->IsEngineValid()) return -1;
const Engine *e = ::Engine::Get(this->engine);
switch (e->type) {
case VEH_ROAD:
case VEH_TRAIN: {
CargoArray capacities = GetCapacityOfArticulatedParts(this->engine);
for (uint &cap : capacities) {
if (cap != 0) return cap;
}
return -1;
}
case VEH_SHIP:
case VEH_AIRCRAFT:
return e->GetDisplayDefaultCapacity();
default: NOT_REACHED();
}
}
int32_t ScriptEventEnginePreview::GetMaxSpeed()
{
if (!this->IsEngineValid()) return -1;
const Engine *e = ::Engine::Get(this->engine);
int32_t max_speed = e->GetDisplayMaxSpeed(); // km-ish/h
if (e->type == VEH_AIRCRAFT) max_speed /= _settings_game.vehicle.plane_speed;
return max_speed;
}
Money ScriptEventEnginePreview::GetPrice()
{
if (!this->IsEngineValid()) return -1;
return ::Engine::Get(this->engine)->GetCost();
}
Money ScriptEventEnginePreview::GetRunningCost()
{
if (!this->IsEngineValid()) return -1;
return ::Engine::Get(this->engine)->GetRunningCost();
}
int32_t ScriptEventEnginePreview::GetVehicleType()
{
if (!this->IsEngineValid()) return ScriptVehicle::VT_INVALID;
switch (::Engine::Get(this->engine)->type) {
case VEH_ROAD: return ScriptVehicle::VT_ROAD;
case VEH_TRAIN: return ScriptVehicle::VT_RAIL;
case VEH_SHIP: return ScriptVehicle::VT_WATER;
case VEH_AIRCRAFT: return ScriptVehicle::VT_AIR;
default: NOT_REACHED();
}
}
bool ScriptEventEnginePreview::AcceptPreview()
{
EnforceCompanyModeValid(false);
if (!this->IsEngineValid()) return false;
return ScriptObject::Command<CMD_WANT_ENGINE_PREVIEW>::Do(this->engine);
}
bool ScriptEventCompanyAskMerger::AcceptMerger()
{
EnforceCompanyModeValid(false);
return ScriptObject::Command<CMD_BUY_COMPANY>::Do((::CompanyID)this->owner, false);
}
ScriptEventAdminPort::ScriptEventAdminPort(const std::string &json) :
ScriptEvent(ET_ADMIN_PORT),
json(json)
{
}
/**
* Convert a JSON part fo Squirrel.
* @param vm The VM used.
* @param json The JSON part to convert to Squirrel.
*/
static bool ScriptEventAdminPortReadValue(HSQUIRRELVM vm, nlohmann::json &json)
{
switch (json.type()) {
case nlohmann::json::value_t::null:
sq_pushnull(vm);
break;
case nlohmann::json::value_t::boolean:
sq_pushbool(vm, json.get<bool>() ? 1 : 0);
break;
case nlohmann::json::value_t::string: {
auto value = json.get<std::string>();
sq_pushstring(vm, value.data(), value.size());
break;
}
case nlohmann::json::value_t::number_integer:
case nlohmann::json::value_t::number_unsigned:
sq_pushinteger(vm, json.get<int64_t>());
break;
case nlohmann::json::value_t::object:
sq_newtable(vm);
for (auto &[key, value] : json.items()) {
sq_pushstring(vm, key.data(), key.size());
if (!ScriptEventAdminPortReadValue(vm, value)) {
return false;
}
sq_rawset(vm, -3);
}
break;
case nlohmann::json::value_t::array:
sq_newarray(vm, 0);
for (auto &value : json) {
if (!ScriptEventAdminPortReadValue(vm, value)) {
return false;
}
sq_arrayappend(vm, -2);
}
break;
/* These types are not supported by Squirrel. */
case nlohmann::json::value_t::number_float:
default:
return false;
}
return true;
}
SQInteger ScriptEventAdminPort::GetObject(HSQUIRRELVM vm)
{
auto json = nlohmann::json::parse(this->json, nullptr, false);
if (!json.is_object()) {
ScriptLog::Error("The root element in the JSON data from AdminPort has to be an object.");
sq_pushnull(vm);
return 1;
}
auto top = sq_gettop(vm);
if (!ScriptEventAdminPortReadValue(vm, json)) {
/* Rewind the stack, removing anything that might be left on top. */
sq_settop(vm, top);
ScriptLog::Error("Received invalid JSON data from AdminPort.");
sq_pushnull(vm);
return 1;
}
return 1;
}
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