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Location: cpp/openttd-patchpack/source/src/script/api/script_event_types.cpp - annotation
r27407:1787a47352b7
6.7 KiB
text/x-c
Codechange: prevent using (f)printf/(f)puts over fmt::print
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r18765:0c8917c89d77 r18765:0c8917c89d77 r18765:0c8917c89d77 r18765:0c8917c89d77 r18765:0c8917c89d77 r18765:0c8917c89d77 r18765:0c8917c89d77 r18765:0c8917c89d77 r18765:0c8917c89d77 r18765:0c8917c89d77 r18765:0c8917c89d77 r18765:0c8917c89d77 r18765:0c8917c89d77 r18765:0c8917c89d77 r18765:0c8917c89d77 r18765:0c8917c89d77 r18765:0c8917c89d77 r18765:0c8917c89d77 r18765:0c8917c89d77 r18765:0c8917c89d77 r18765:0c8917c89d77 r18765:0c8917c89d77 r18765:0c8917c89d77 r18765:0c8917c89d77 r18765:0c8917c89d77 r18765:0c8917c89d77 r18765:0c8917c89d77 r18765:0c8917c89d77 | /*
* 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 "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);
CargoID most_cargo = CT_INVALID;
uint amount = 0;
for (CargoID cid = 0; cid < NUM_CARGO; cid++) {
if (cap[cid] > amount) {
amount = cap[cid];
most_cargo = cid;
}
}
return most_cargo;
}
int32 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 (CargoID c = 0; c < NUM_CARGO; c++) {
if (capacities[c] == 0) continue;
return capacities[c];
}
return -1;
}
case VEH_SHIP:
case VEH_AIRCRAFT:
return e->GetDisplayDefaultCapacity();
default: NOT_REACHED();
}
}
int32 ScriptEventEnginePreview::GetMaxSpeed()
{
if (!this->IsEngineValid()) return -1;
const Engine *e = ::Engine::Get(this->engine);
int32 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 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);
}
ScriptEventAdminPort::ScriptEventAdminPort(const std::string &json) :
ScriptEvent(ET_ADMIN_PORT),
json(json)
{
}
#define SKIP_EMPTY(p) while (*(p) == ' ' || *(p) == '\n' || *(p) == '\r') (p)++;
#define RETURN_ERROR(stack) { ScriptLog::Error("Received invalid JSON data from AdminPort."); if (stack != 0) sq_pop(vm, stack); return nullptr; }
SQInteger ScriptEventAdminPort::GetObject(HSQUIRRELVM vm)
{
const char *p = this->json.c_str();
if (this->ReadTable(vm, p) == nullptr) {
sq_pushnull(vm);
return 1;
}
return 1;
}
const char *ScriptEventAdminPort::ReadString(HSQUIRRELVM vm, const char *p)
{
const char *value = p;
bool escape = false;
for (;;) {
if (*p == '\\') {
escape = true;
p++;
continue;
}
if (*p == '"' && escape) {
escape = false;
p++;
continue;
}
escape = false;
if (*p == '"') break;
if (*p == '\0') RETURN_ERROR(0);
p++;
}
size_t len = p - value;
sq_pushstring(vm, value, len);
p++; // Step past the end-of-string marker (")
return p;
}
const char *ScriptEventAdminPort::ReadTable(HSQUIRRELVM vm, const char *p)
{
sq_newtable(vm);
SKIP_EMPTY(p);
if (*p++ != '{') RETURN_ERROR(1);
for (;;) {
SKIP_EMPTY(p);
if (*p++ != '"') RETURN_ERROR(1);
p = ReadString(vm, p);
if (p == nullptr) {
sq_pop(vm, 1);
return nullptr;
}
SKIP_EMPTY(p);
if (*p++ != ':') RETURN_ERROR(2);
p = this->ReadValue(vm, p);
if (p == nullptr) {
sq_pop(vm, 2);
return nullptr;
}
sq_rawset(vm, -3);
/* The key (-2) and value (-1) are popped from the stack by squirrel. */
SKIP_EMPTY(p);
if (*p == ',') {
p++;
continue;
}
break;
}
SKIP_EMPTY(p);
if (*p++ != '}') RETURN_ERROR(1);
return p;
}
const char *ScriptEventAdminPort::ReadValue(HSQUIRRELVM vm, const char *p)
{
SKIP_EMPTY(p);
if (strncmp(p, "false", 5) == 0) {
sq_pushinteger(vm, 0);
return p + 5;
}
if (strncmp(p, "true", 4) == 0) {
sq_pushinteger(vm, 1);
return p + 4;
}
if (strncmp(p, "null", 4) == 0) {
sq_pushnull(vm);
return p + 4;
}
switch (*p) {
case '"': {
/* String */
p = ReadString(vm, ++p);
if (p == nullptr) return nullptr;
break;
}
case '{': {
/* Table */
p = this->ReadTable(vm, p);
if (p == nullptr) return nullptr;
break;
}
case '[': {
/* Array */
sq_newarray(vm, 0);
/* Empty array? */
const char *p2 = p + 1;
SKIP_EMPTY(p2);
if (*p2 == ']') {
p = p2 + 1;
break;
}
while (*p++ != ']') {
p = this->ReadValue(vm, p);
if (p == nullptr) {
sq_pop(vm, 1);
return nullptr;
}
sq_arrayappend(vm, -2);
SKIP_EMPTY(p);
if (*p == ',') continue;
if (*p == ']') break;
RETURN_ERROR(1);
}
p++;
break;
}
case '1': case '2': case '3': case '4': case '5':
case '6': case '7': case '8': case '9': case '0':
case '-': {
/* Integer */
const char *value = p++;
for (;;) {
switch (*p++) {
case '1': case '2': case '3': case '4': case '5':
case '6': case '7': case '8': case '9': case '0':
continue;
default:
break;
}
p--;
break;
}
int res = atoi(value);
sq_pushinteger(vm, (SQInteger)res);
break;
}
default:
RETURN_ERROR(0);
}
return p;
}
#undef SKIP_EMPTY
#undef RETURN_ERROR
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