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game_interpreter.cpp
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/*
* This file is part of EasyRPG Player.
*
* EasyRPG Player 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, either version 3 of the License, or
* (at your option) any later version.
*
* EasyRPG Player 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 EasyRPG Player. If not, see <http://www.gnu.org/licenses/>.
*/
// Headers
#include <algorithm>
#include <ctime>
#include <iomanip>
#include <iostream>
#include <regex>
#include <sstream>
#include <string>
#include <cassert>
#include "game_interpreter.h"
#include "audio.h"
#include "dynrpg.h"
#include "filefinder.h"
#include "game_map.h"
#include "game_event.h"
#include "game_enemyparty.h"
#include "game_ineluki.h"
#include "game_player.h"
#include "game_targets.h"
#include "game_switches.h"
#include "game_variables.h"
#include "game_party.h"
#include "game_actors.h"
#include "game_system.h"
#include "game_message.h"
#include "game_pictures.h"
#include "game_screen.h"
#include "game_interpreter_control_variables.h"
#include "game_windows.h"
#include "maniac_patch.h"
#include "spriteset_map.h"
#include "sprite_character.h"
#include "scene_gameover.h"
#include "scene_map.h"
#include "scene_save.h"
#include "scene_settings.h"
#include "scene.h"
#include "game_clock.h"
#include "input.h"
#include "main_data.h"
#include "output.h"
#include "player.h"
#include "util_macro.h"
#include <lcf/reader_util.h>
#include <lcf/lsd/reader.h>
#include <lcf/reader_lcf.h>
#include <lcf/writer_lcf.h>
#include "game_battle.h"
#include "utils.h"
#include "transition.h"
#include "baseui.h"
#include "algo.h"
#include "rand.h"
enum BranchSubcommand {
eOptionBranchElse = 1
};
constexpr int Game_Interpreter::loop_limit;
constexpr int Game_Interpreter::call_stack_limit;
constexpr int Game_Interpreter::subcommand_sentinel;
Game_Interpreter::Game_Interpreter(bool _main_flag) {
main_flag = _main_flag;
Clear();
}
Game_Interpreter::~Game_Interpreter() {
}
// Clear.
void Game_Interpreter::Clear() {
_state = {};
_keyinput = {};
_async_op = {};
}
// Is interpreter running.
bool Game_Interpreter::IsRunning() const {
return !_state.stack.empty();
}
// Setup.
void Game_Interpreter::Push(
std::vector<lcf::rpg::EventCommand> _list,
int event_id,
bool started_by_decision_key,
int event_page_id
) {
if (_list.empty()) {
return;
}
if ((int)_state.stack.size() > call_stack_limit) {
Output::Error("Call Event limit ({}) has been exceeded", call_stack_limit);
}
lcf::rpg::SaveEventExecFrame frame;
frame.ID = _state.stack.size() + 1;
frame.commands = std::move(_list);
frame.current_command = 0;
frame.triggered_by_decision_key = started_by_decision_key;
frame.event_id = event_id;
frame.maniac_event_id = event_id;
frame.maniac_event_page_id = event_page_id;
if (_state.stack.empty() && main_flag && !Game_Battle::IsBattleRunning()) {
Main_Data::game_system->ClearMessageFace();
Main_Data::game_player->SetMenuCalling(false);
Main_Data::game_player->SetEncounterCalling(false);
}
_state.stack.push_back(std::move(frame));
}
void Game_Interpreter::KeyInputState::fromSave(const lcf::rpg::SaveEventExecState& save) {
*this = {};
// Maniac Patch aware check functions for parameters that handle
// keyboard and mouse through a bitmask
bool is_maniac = Player::IsPatchManiac();
auto check_key = [&](auto& var) {
if (is_maniac) {
return (var & 1) != 0;
} else {
return var != 0;
}
};
auto check_mouse = [&](auto& var) {
return (var & 2) != 0;
};
wait = save.keyinput_wait;
// FIXME: There is an RPG_RT bug where keyinput_variable is uint8_t
// which we currently have to emulate. So the value from the save could be wrong.
variable = save.keyinput_variable;
if (save.keyinput_all_directions) {
keys[Keys::eDown] = true;
keys[Keys::eLeft] = true;
keys[Keys::eRight] = true;
keys[Keys::eUp] = true;
} else {
if (Player::IsRPG2k3()) {
keys[Keys::eDown] = check_key(save.keyinput_2k3down);
keys[Keys::eLeft] = check_key(save.keyinput_2k3left);
keys[Keys::eRight] = check_key(save.keyinput_2k3right);
keys[Keys::eUp] = check_key(save.keyinput_2k3up);
} else {
keys[Keys::eDown] = check_key(save.keyinput_2kdown_2k3operators);
keys[Keys::eLeft] = check_key(save.keyinput_2kleft_2k3shift);
keys[Keys::eRight] = check_key(save.keyinput_2kright);
keys[Keys::eUp] = check_key(save.keyinput_2kup);
}
}
keys[Keys::eDecision] = check_key(save.keyinput_decision);
keys[Keys::eCancel] = check_key(save.keyinput_cancel);
if (Player::IsRPG2k3()) {
keys[Keys::eShift] = check_key(save.keyinput_2kleft_2k3shift);
keys[Keys::eNumbers] = check_key(save.keyinput_2kshift_2k3numbers);
keys[Keys::eOperators] = check_key(save.keyinput_2kdown_2k3operators);
if (is_maniac) {
keys[Keys::eMouseLeft] = check_mouse(save.keyinput_decision);
keys[Keys::eMouseRight] = check_mouse(save.keyinput_cancel);
keys[Keys::eMouseMiddle] = check_mouse(save.keyinput_2kleft_2k3shift);
keys[Keys::eMouseScrollUp] = check_mouse(save.keyinput_2k3up);
keys[Keys::eMouseScrollDown] = check_mouse(save.keyinput_2k3down);
}
} else {
keys[Keys::eShift] = check_key(save.keyinput_2kshift_2k3numbers);
}
time_variable = save.keyinput_time_variable;
timed = save.keyinput_timed;
// FIXME: Rm2k3 has no LSD chunk for this.
wait_frames = 0;
}
void Game_Interpreter::KeyInputState::toSave(lcf::rpg::SaveEventExecState& save) const {
save.keyinput_wait = 0;
save.keyinput_variable = 0;
save.keyinput_all_directions = 0;
save.keyinput_decision = 0;
save.keyinput_cancel = 0;
save.keyinput_2kshift_2k3numbers = 0;
save.keyinput_2kdown_2k3operators = 0;
save.keyinput_2kleft_2k3shift = 0;
save.keyinput_2kright = 0;
save.keyinput_2kup = 0;
save.keyinput_time_variable = 0;
save.keyinput_2k3down = 0;
save.keyinput_2k3left = 0;
save.keyinput_2k3right = 0;
save.keyinput_2k3up = 0;
save.keyinput_timed = 0;
save.keyinput_wait = wait;
// FIXME: There is an RPG_RT bug where keyinput_variable is uint8_t
// which we currently have to emulate. So this assignment truncates.
save.keyinput_variable = variable;
if (keys[Keys::eDown]
&& keys[Keys::eLeft]
&& keys[Keys::eRight]
&& keys[Keys::eUp]) {
save.keyinput_all_directions = true;
} else {
if (Player::IsRPG2k3()) {
save.keyinput_2k3down = keys[Keys::eDown];
save.keyinput_2k3left = keys[Keys::eLeft];
save.keyinput_2k3right = keys[Keys::eRight];
save.keyinput_2k3up = keys[Keys::eUp];
} else {
// RM2k uses these chunks for directions.
save.keyinput_2kdown_2k3operators = keys[Keys::eDown];
save.keyinput_2kleft_2k3shift = keys[Keys::eLeft];
save.keyinput_2kright = keys[Keys::eRight];
save.keyinput_2kup = keys[Keys::eUp];
}
}
save.keyinput_decision = keys[Keys::eDecision];
save.keyinput_cancel = keys[Keys::eCancel];
if (Player::IsRPG2k3()) {
save.keyinput_2kleft_2k3shift = keys[Keys::eShift];
save.keyinput_2kshift_2k3numbers = keys[Keys::eNumbers];
save.keyinput_2kdown_2k3operators = keys[Keys::eOperators];
if (Player::IsPatchManiac()) {
if (keys[Keys::eMouseLeft]) {
save.keyinput_decision |= 2;
}
if (keys[Keys::eMouseRight]) {
save.keyinput_cancel |= 2;
}
if (keys[Keys::eMouseMiddle]) {
save.keyinput_2kleft_2k3shift |= 2;
}
if (keys[Keys::eMouseScrollUp]) {
save.keyinput_2k3up |= 2;
}
if (keys[Keys::eMouseScrollDown]) {
save.keyinput_2k3down |= 2;
}
}
} else {
save.keyinput_2kshift_2k3numbers = keys[Keys::eShift];
}
save.keyinput_time_variable = time_variable;
save.keyinput_timed = timed;
// FIXME: Rm2k3 has no LSD chunk for this.
//void = wait_frames;
}
const lcf::rpg::SaveEventExecState& Game_Interpreter::GetState() const {
return _state;
}
lcf::rpg::SaveEventExecState Game_Interpreter::GetSaveState() {
auto save = _state;
_keyinput.toSave(save);
return save;
}
void Game_Interpreter::SetupWait(int duration) {
if (duration == 0) {
// 0.0 waits 1 frame
_state.wait_time = 1;
} else {
_state.wait_time = duration * DEFAULT_FPS / 10;
}
}
void Game_Interpreter::SetupWaitFrames(int duration) {
if (duration == 0) {
// 0.0 waits 1 frame
_state.wait_time = 1;
} else {
_state.wait_time = duration;
}
}
bool Game_Interpreter::ReachedLoopLimit() const {
return loop_count >= loop_limit;
}
int Game_Interpreter::GetThisEventId() const {
auto event_id = GetCurrentEventId();
if (event_id == 0 && (Player::IsRPG2k3E() || Player::game_config.patch_common_this_event.Get())) {
// RM2k3E allows "ThisEvent" commands to run from called
// common events. It operates on the last map event in
// the call stack.
for (auto iter = _state.stack.rbegin()++;
iter != _state.stack.rend(); ++iter) {
if (iter->event_id != 0) {
event_id = iter->event_id;
break;
}
}
}
return event_id;
}
uint8_t& Game_Interpreter::ReserveSubcommandIndex(int indent) {
auto& frame = GetFrame();
auto& path = frame.subcommand_path;
if (indent >= (int)path.size()) {
// This fixes an RPG_RT bug where RPG_RT would resize
// the array with uninitialized values.
path.resize(indent + 1, subcommand_sentinel);
}
return path[indent];
}
void Game_Interpreter::SetSubcommandIndex(int indent, int idx) {
ReserveSubcommandIndex(indent) = idx;
}
int Game_Interpreter::GetSubcommandIndex(int indent) const {
auto* frame = GetFramePtr();
if (frame == nullptr) {
return subcommand_sentinel;
}
auto& path = frame->subcommand_path;
if ((int)path.size() <= indent) {
return subcommand_sentinel;
}
return path[indent];
}
// Update
void Game_Interpreter::Update(bool reset_loop_count) {
if (reset_loop_count) {
loop_count = 0;
}
// Always reset async status when we enter interpreter loop.
_async_op = {};
if (!IsRunning()) {
return;
}
if (Input::IsTriggered(Input::DEBUG_ABORT_EVENT) && Player::debug_flag && !Game_Battle::IsBattleRunning()) {
if (Game_Message::IsMessageActive()) {
Game_Message::GetWindow()->FinishMessageProcessing();
}
if (!Main_Data::game_player->GetMoveRoute().move_commands.empty()) {
Main_Data::game_player->CancelMoveRoute();
}
EndEventProcessing();
return;
}
for (; loop_count < loop_limit; ++loop_count) {
// If something is calling a menu, we're allowed to execute only 1 command per interpreter. So we pass through if loop_count == 0, and stop at 1 or greater.
// RPG_RT compatible behavior.
if (loop_count > 0 && Scene::instance->HasRequestedScene()) {
break;
}
// Previous command triggered an async operation.
if (IsAsyncPending()) {
if (_async_op.GetType() == AsyncOp::Type::eYieldRepeat) {
// This will cause an incorrect execution when the yielding
// command changed the index.
// Only use YieldRepeat for commands that do not do this!
auto& frame = GetFrame();
--frame.current_command;
}
break;
}
if (main_flag) {
if (Main_Data::game_player->IsBoardingOrUnboarding())
break;
if (Main_Data::game_player->InVehicle() && Main_Data::game_player->GetVehicle()->IsAscendingOrDescending())
break;
if (Game_Message::IsMessagePending())
break;
} else {
if (Game_Message::IsMessageActive() && _state.show_message) {
break;
}
}
_state.show_message = false;
_state.abort_on_escape = false;
if (_state.wait_time > 0) {
_state.wait_time--;
break;
}
if (_state.wait_key_enter) {
if (Game_Message::IsMessageActive()) {
break;
}
if (!Input::IsTriggered(Input::DECISION)) {
break;
}
_state.wait_key_enter = false;
}
if (_state.wait_movement) {
if (Game_Map::IsAnyMovePending()) {
break;
}
_state.wait_movement = false;
}
if (_keyinput.wait) {
if (Game_Message::IsMessageActive()) {
break;
}
const int key = _keyinput.CheckInput();
Main_Data::game_variables->Set(_keyinput.variable, key);
Game_Map::SetNeedRefreshForVarChange(_keyinput.variable);
if (key == 0) {
++_keyinput.wait_frames;
break;
}
if (_keyinput.timed) {
// 10 per second
Main_Data::game_variables->Set(_keyinput.time_variable,
(_keyinput.wait_frames * 10) / Game_Clock::GetTargetGameFps());
Game_Map::SetNeedRefreshForVarChange(_keyinput.time_variable);
}
_keyinput.wait = false;
}
auto* frame = GetFramePtr();
if (frame == nullptr) {
break;
}
if (Game_Map::GetNeedRefresh()) {
Game_Map::Refresh();
}
// Previous operations could have modified the stack.
// So we need to fetch the frame again.
frame = GetFramePtr();
if (frame == nullptr) {
break;
}
// Pop any completed stack frames
if (frame->current_command >= (int)frame->commands.size()) {
if (!OnFinishStackFrame()) {
break;
}
continue;
}
// Save the frame index before we call events.
int current_frame_idx = _state.stack.size() - 1;
const int index_before_exec = frame->current_command;
if (!ExecuteCommand()) {
break;
}
if (Game_Battle::IsBattleRunning() && Player::IsRPG2k3() && Game_Battle::CheckWin()) {
// Interpreter is cancelled when a win condition is fulfilled in RPG2k3 battle
break;
}
// Last event command removed the frame? We're done.
if (current_frame_idx >= (int)_state.stack.size() ) {
continue;
}
// Note: In the case we executed a CallEvent command, be sure to
// increment the old frame and not the new one we just pushed.
frame = &_state.stack[current_frame_idx];
// Only do auto increment if the command didn't manually
// change the index.
if (index_before_exec == frame->current_command) {
frame->current_command++;
}
} // for
if (loop_count > loop_limit - 1) {
auto* frame = GetFramePtr();
int event_id = frame ? frame->event_id : 0;
// Executed Events Count exceeded (10000)
Output::Debug("Event {} exceeded execution limit", event_id);
}
if (Game_Map::GetNeedRefresh()) {
Game_Map::Refresh();
}
}
// Setup Starting Event
void Game_Interpreter::Push(Game_Event* ev) {
Push(ev->GetList(), ev->GetId(), ev->WasStartedByDecisionKey(), ev->GetActivePage() ? ev->GetActivePage()->ID : 0);
}
void Game_Interpreter::Push(Game_Event* ev, const lcf::rpg::EventPage* page, bool triggered_by_decision_key) {
Push(page->event_commands, ev->GetId(), triggered_by_decision_key, page->ID);
}
void Game_Interpreter::Push(Game_CommonEvent* ev) {
Push(ev->GetList(), 0, false);
}
bool Game_Interpreter::CheckGameOver() {
if (!Game_Battle::IsBattleRunning() && !Main_Data::game_party->IsAnyActive()) {
// Empty party is allowed
if (Main_Data::game_party->GetBattlerCount() > 0) {
Scene::instance->SetRequestedScene(std::make_shared<Scene_Gameover>());
return true;
}
}
return false;
}
void Game_Interpreter::SkipToNextConditional(std::initializer_list<Cmd> codes, int indent) {
auto& frame = GetFrame();
const auto& list = frame.commands;
auto& index = frame.current_command;
if (index >= static_cast<int>(list.size())) {
return;
}
for (++index; index < static_cast<int>(list.size()); ++index) {
const auto& com = list[index];
if (com.indent > indent) {
continue;
}
if (std::find(codes.begin(), codes.end(), static_cast<Cmd>(com.code)) != codes.end()) {
break;
}
}
}
int Game_Interpreter::DecodeInt(lcf::DBArray<int32_t>::const_iterator& it) {
int value = 0;
for (;;) {
int x = *it++;
value <<= 7;
value |= x & 0x7F;
if (!(x & 0x80))
break;
}
return value;
}
const std::string Game_Interpreter::DecodeString(lcf::DBArray<int32_t>::const_iterator& it) {
std::ostringstream out;
int len = DecodeInt(it);
for (int i = 0; i < len; i++)
out << (char)*it++;
std::string result = lcf::ReaderUtil::Recode(out.str(), Player::encoding);
return result;
}
lcf::rpg::MoveCommand Game_Interpreter::DecodeMove(lcf::DBArray<int32_t>::const_iterator& it) {
lcf::rpg::MoveCommand cmd;
cmd.command_id = *it++;
switch (cmd.command_id) {
case 32: // Switch ON
case 33: // Switch OFF
cmd.parameter_a = DecodeInt(it);
break;
case 34: // Change Graphic
cmd.parameter_string = lcf::DBString(DecodeString(it));
cmd.parameter_a = DecodeInt(it);
break;
case 35: // Play Sound Effect
cmd.parameter_string = lcf::DBString(DecodeString(it));
cmd.parameter_a = DecodeInt(it);
cmd.parameter_b = DecodeInt(it);
cmd.parameter_c = DecodeInt(it);
break;
}
return cmd;
}
// Execute Command.
bool Game_Interpreter::ExecuteCommand() {
auto& frame = GetFrame();
const auto& com = frame.commands[frame.current_command];
return ExecuteCommand(com);
}
bool Game_Interpreter::ExecuteCommand(lcf::rpg::EventCommand const& com) {
switch (static_cast<Cmd>(com.code)) {
case Cmd::ShowMessage:
return CommandShowMessage(com);
case Cmd::MessageOptions:
return CommandMessageOptions(com);
case Cmd::ChangeFaceGraphic:
return CommandChangeFaceGraphic(com);
case Cmd::ShowChoice:
return CommandShowChoices(com);
case Cmd::ShowChoiceOption:
return CommandShowChoiceOption(com);
case Cmd::ShowChoiceEnd:
return CommandShowChoiceEnd(com);
case Cmd::InputNumber:
return CommandInputNumber(com);
case Cmd::ControlSwitches:
return CommandControlSwitches(com);
case Cmd::ControlVars:
return CommandControlVariables(com);
case Cmd::TimerOperation:
return CommandTimerOperation(com);
case Cmd::ChangeGold:
return CommandChangeGold(com);
case Cmd::ChangeItems:
return CommandChangeItems(com);
case Cmd::ChangePartyMembers:
return CommandChangePartyMember(com);
case Cmd::ChangeExp:
return CommandChangeExp(com);
case Cmd::ChangeLevel:
return CommandChangeLevel(com);
case Cmd::ChangeParameters:
return CommandChangeParameters(com);
case Cmd::ChangeSkills:
return CommandChangeSkills(com);
case Cmd::ChangeEquipment:
return CommandChangeEquipment(com);
case Cmd::ChangeHP:
return CommandChangeHP(com);
case Cmd::ChangeSP:
return CommandChangeSP(com);
case Cmd::ChangeCondition:
return CommandChangeCondition(com);
case Cmd::FullHeal:
return CommandFullHeal(com);
case Cmd::SimulatedAttack:
return CommandSimulatedAttack(com);
case Cmd::Wait:
return CommandWait(com);
case Cmd::PlayBGM:
return CommandPlayBGM(com);
case Cmd::FadeOutBGM:
return CommandFadeOutBGM(com);
case Cmd::PlaySound:
return CommandPlaySound(com);
case Cmd::EndEventProcessing:
return CommandEndEventProcessing(com);
case Cmd::Comment:
case Cmd::Comment_2:
return CommandComment(com);
case Cmd::GameOver:
return CommandGameOver(com);
case Cmd::ChangeHeroName:
return CommandChangeHeroName(com);
case Cmd::ChangeHeroTitle:
return CommandChangeHeroTitle(com);
case Cmd::ChangeSpriteAssociation:
return CommandChangeSpriteAssociation(com);
case Cmd::ChangeActorFace:
return CommandChangeActorFace(com);
case Cmd::ChangeVehicleGraphic:
return CommandChangeVehicleGraphic(com);
case Cmd::ChangeSystemBGM:
return CommandChangeSystemBGM(com);
case Cmd::ChangeSystemSFX:
return CommandChangeSystemSFX(com);
case Cmd::ChangeSystemGraphics:
return CommandChangeSystemGraphics(com);
case Cmd::ChangeScreenTransitions:
return CommandChangeScreenTransitions(com);
case Cmd::MemorizeLocation:
return CommandMemorizeLocation(com);
case Cmd::SetVehicleLocation:
return CommandSetVehicleLocation(com);
case Cmd::ChangeEventLocation:
return CommandChangeEventLocation(com);
case Cmd::TradeEventLocations:
return CommandTradeEventLocations(com);
case Cmd::StoreTerrainID:
return CommandStoreTerrainID(com);
case Cmd::StoreEventID:
return CommandStoreEventID(com);
case Cmd::EraseScreen:
return CommandEraseScreen(com);
case Cmd::ShowScreen:
return CommandShowScreen(com);
case Cmd::TintScreen:
return CommandTintScreen(com);
case Cmd::FlashScreen:
return CommandFlashScreen(com);
case Cmd::ShakeScreen:
return CommandShakeScreen(com);
case Cmd::WeatherEffects:
return CommandWeatherEffects(com);
case Cmd::ShowPicture:
return CommandShowPicture(com);
case Cmd::MovePicture:
return CommandMovePicture(com);
case Cmd::ErasePicture:
return CommandErasePicture(com);
case Cmd::PlayerVisibility:
return CommandPlayerVisibility(com);
case Cmd::MoveEvent:
return CommandMoveEvent(com);
case Cmd::MemorizeBGM:
return CommandMemorizeBGM(com);
case Cmd::PlayMemorizedBGM:
return CommandPlayMemorizedBGM(com);
case Cmd::KeyInputProc:
return CommandKeyInputProc(com);
case Cmd::ChangeMapTileset:
return CommandChangeMapTileset(com);
case Cmd::ChangePBG:
return CommandChangePBG(com);
case Cmd::ChangeEncounterSteps:
return CommandChangeEncounterSteps(com);
case Cmd::TileSubstitution:
return CommandTileSubstitution(com);
case Cmd::TeleportTargets:
return CommandTeleportTargets(com);
case Cmd::ChangeTeleportAccess:
return CommandChangeTeleportAccess(com);
case Cmd::EscapeTarget:
return CommandEscapeTarget(com);
case Cmd::ChangeEscapeAccess:
return CommandChangeEscapeAccess(com);
case Cmd::ChangeSaveAccess:
return CommandChangeSaveAccess(com);
case Cmd::ChangeMainMenuAccess:
return CommandChangeMainMenuAccess(com);
case Cmd::ConditionalBranch:
return CommandConditionalBranch(com);
case Cmd::Label:
return true;
case Cmd::JumpToLabel:
return CommandJumpToLabel(com);
case Cmd::Loop:
return CommandLoop(com);
case Cmd::BreakLoop:
return CommandBreakLoop(com);
case Cmd::EndLoop:
return CommandEndLoop(com);
case Cmd::EraseEvent:
return CommandEraseEvent(com);
case Cmd::CallEvent:
return CommandCallEvent(com);
case Cmd::ReturntoTitleScreen:
return CommandReturnToTitleScreen(com);
case Cmd::ChangeClass:
return CommandChangeClass(com);
case Cmd::ChangeBattleCommands:
return CommandChangeBattleCommands(com);
case Cmd::ElseBranch:
return CommandElseBranch(com);
case Cmd::EndBranch:
return CommandEndBranch(com);
case Cmd::ExitGame:
return CommandExitGame(com);
case Cmd::ToggleFullscreen:
return CommandToggleFullscreen(com);
case Cmd::OpenVideoOptions:
return CommandOpenVideoOptions(com);
case Cmd::Maniac_GetSaveInfo:
return CommandManiacGetSaveInfo(com);
case Cmd::Maniac_Load:
return CommandManiacLoad(com);
case Cmd::Maniac_Save:
return CommandManiacSave(com);
case Cmd::Maniac_EndLoadProcess:
return CommandManiacEndLoadProcess(com);
case Cmd::Maniac_GetMousePosition:
return CommandManiacGetMousePosition(com);
case Cmd::Maniac_SetMousePosition:
return CommandManiacSetMousePosition(com);
case Cmd::Maniac_ShowStringPicture:
return CommandManiacShowStringPicture(com);
case Cmd::Maniac_GetPictureInfo:
return CommandManiacGetPictureInfo(com);
case Cmd::Maniac_ControlVarArray:
return CommandManiacControlVarArray(com);
case Cmd::Maniac_KeyInputProcEx:
return CommandManiacKeyInputProcEx(com);
case Cmd::Maniac_RewriteMap:
return CommandManiacRewriteMap(com);
case Cmd::Maniac_ControlGlobalSave:
return CommandManiacControlGlobalSave(com);
case Cmd::Maniac_ChangePictureId:
return CommandManiacChangePictureId(com);
case Cmd::Maniac_SetGameOption:
return CommandManiacSetGameOption(com);
case Cmd::Maniac_ControlStrings:
return CommandManiacControlStrings(com);
case Cmd::Maniac_CallCommand:
return CommandManiacCallCommand(com);
case static_cast<Game_Interpreter::Cmd>(2053): //Cmd::EasyRpg_SetInterpreterFlag
return CommandEasyRpgSetInterpreterFlag(com);
default:
return true;
}
}
bool Game_Interpreter::OnFinishStackFrame() {
auto& frame = GetFrame();
const bool is_base_frame = _state.stack.size() == 1;
if (main_flag && is_base_frame && !Game_Battle::IsBattleRunning()) {
Main_Data::game_system->ClearMessageFace();
}
int event_id = frame.event_id;
if (is_base_frame && event_id > 0) {
Game_Event* evnt = Game_Map::GetEvent(event_id);
if (!evnt) {
Output::Error("Call stack finished with invalid event id {}. This can be caused by a vehicle teleport?", event_id);
} else if (main_flag) {
evnt->OnFinishForegroundEvent();
}
}
if (!main_flag && is_base_frame) {
// Parallel events will never clear the base stack frame. Instead we just
// reset the index back to 0 and wait for a frame.
// This not only optimizes away copying event code, it's also RPG_RT compatible.
frame.current_command = 0;
} else {
// If a called frame, or base frame of foreground interpreter, pop the stack.
_state.stack.pop_back();
}
return !is_base_frame;
}
std::vector<std::string> Game_Interpreter::GetChoices(int max_num_choices) {
const auto& frame = GetFrame();
const auto& list = frame.commands;
auto& index = frame.current_command;
// Let's find the choices
int current_indent = list[index + 1].indent;
std::vector<std::string> s_choices;
for (int index_temp = index + 1; index_temp < static_cast<int>(list.size()); ++index_temp) {
const auto& com = list[index_temp];
if (com.indent != current_indent) {
continue;
}
if (static_cast<Cmd>(com.code) == Cmd::ShowChoiceOption && com.parameters.size() > 0 && com.parameters[0] < max_num_choices) {
// Choice found
s_choices.push_back(ToString(list[index_temp].string));
}
if (static_cast<Cmd>(com.code) == Cmd::ShowChoiceEnd) {
break;
}
}
return s_choices;
}
bool Game_Interpreter::CommandOptionGeneric(lcf::rpg::EventCommand const& com, int option_sub_idx, std::initializer_list<Cmd> next) {
const auto sub_idx = GetSubcommandIndex(com.indent);
if (sub_idx == option_sub_idx) {
// Executes this option, so clear the subidx to skip all other options.
SetSubcommandIndex(com.indent, subcommand_sentinel);
} else {
SkipToNextConditional(next, com.indent);
}
return true;
}
bool Game_Interpreter::CommandShowMessage(lcf::rpg::EventCommand const& com) { // code 10110
auto& frame = GetFrame();
const auto& list = frame.commands;
auto& index = frame.current_command;
if (!Game_Message::CanShowMessage(main_flag)) {
return false;
}
PendingMessage pm(Game_Message::CommandCodeInserter);
pm.SetIsEventMessage(true);
// Set first line
pm.PushLine(ToString(com.string));
++index;
// Check for continued lines via ShowMessage_2
while (index < static_cast<int>(list.size()) && static_cast<Cmd>(list[index].code) == Cmd::ShowMessage_2) {
// Add second (another) line
pm.PushLine(ToString(list[index].string));
++index;
}
// Handle Choices or number
if (index < static_cast<int>(list.size())) {
// If next event command is show choices
if (static_cast<Cmd>(list[index].code) == Cmd::ShowChoice) {
std::vector<std::string> s_choices = GetChoices(4);
// If choices fit on screen
if (static_cast<int>(s_choices.size()) <= (4 - pm.NumLines())) {
pm.SetChoiceCancelType(list[index].parameters[0]);
SetupChoices(s_choices, com.indent, pm);
++index;
}
} else if (static_cast<Cmd>(list[index].code) == Cmd::InputNumber) {
// If next event command is input number
// If input number fits on screen
if (pm.NumLines() < 4) {
int digits = list[index].parameters[0];
int variable_id = list[index].parameters[1];
pm.PushNumInput(variable_id, digits);
++index;
}
}
}
Game_Message::SetPendingMessage(std::move(pm));
_state.show_message = true;
return true;
}
bool Game_Interpreter::CommandMessageOptions(lcf::rpg::EventCommand const& com) { //code 10120
if (!Game_Message::CanShowMessage(main_flag)) {
return false;
}
Main_Data::game_system->SetMessageTransparent(com.parameters[0] != 0);
Main_Data::game_system->SetMessagePosition(com.parameters[1]);
Main_Data::game_system->SetMessagePositionFixed(com.parameters[2] == 0);
Main_Data::game_system->SetMessageContinueEvents(com.parameters[3] != 0);
// TODO: Maniac Patch Message Box Size and Font not implemented
// see https://jetrotal.github.io/CSA/#Display%20Text%20Options
return true;
}
bool Game_Interpreter::CommandChangeFaceGraphic(lcf::rpg::EventCommand const& com) { // Code 10130
if (!Game_Message::CanShowMessage(main_flag)) {
return false;
}
Main_Data::game_system->SetMessageFaceName(ToString(CommandStringOrVariableBitfield(com, 3, 0, 4)));
Main_Data::game_system->SetMessageFaceIndex(ValueOrVariableBitfield(com, 3, 1, 0));
Main_Data::game_system->SetMessageFaceRightPosition(com.parameters[1] != 0);
Main_Data::game_system->SetMessageFaceFlipped(com.parameters[2] != 0);
return true;
}
void Game_Interpreter::SetupChoices(const std::vector<std::string>& choices, int indent, PendingMessage& pm) {
// Set choices to message text
pm.SetChoiceResetColors(false);
for (int i = 0; i < 4 && i < static_cast<int>(choices.size()); i++) {
pm.PushChoice(choices[i]);
}