root/scn2k/scn2k_impl.cc

/*
 * Copyright (c) 2004-2006  Kazunori "jagarl" Ueno
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <stdexcept>
#include "scn2k_impl.h"
#include "system/file.h"
#include "system/system_config.h"
#include "window/picture.h"
#include "window/system.h"

// #define DEBUG 1

using namespace std;

/**********************************************
** Scn2k
*/

void kconv(const unsigned char* src, unsigned char* dest);
void kconv_rev(const unsigned char* src, unsigned char* dest);
string kconv(const string& s);
string kconv_rev(const string& s);

Scn2k::Scn2k(Event::Container& _event, PicContainer& _parent) :
        Event::Time(_event),
        event(_event),
        parent(_parent),
        text_exec(_event, _parent),
        grp_exec(_event, _parent, flag, flag.cgm_data)
{
        config = AyuSysConfig::GetInstance();

        system_version = 0;
        skip_mode = SKIP_NO;

        script_start = NULL;
        script = NULL;
        script_end = NULL;

        backlog_script_scn = -1;
        backlog_script_start = NULL;
        backlog_script_end = NULL;

        save_scn = 0;
        save_point = 0;
        scn_number = 0;
        scn_point = 0;
        cmd_stack_str = cmd_stack_str_orig;

        dialog = NULL;
        dialog_type = CMD_NOP;
        menu = NULL;
        menu_mouseshown = false;

        /* マりスカヌ゜ルを䜜成 */
        mouse_type = 0;
        mouse_surface = NULL;
        mouse_pressed = 0;
        ShowCursor();

        LoadSys();
        text_exec.InitWindow();
        grp_exec.InitSel();
}

Scn2k::~Scn2k() {
        if (script_start) delete[] script_start;
        HideCursor();
        SaveSys();
}

char* Scn2k::OpenScript(int new_scn_number, char*& end, int* call_vec, int& system_version) {
        char fname[1024];
        const char* data;
        char* ret_data;
        int offset = 0;
        int scenario_magic;

        FileSearcher* file_searcher = FileSearcher::GetInstance();

        sprintf(fname, "SEEN%04d.TXT", new_scn_number);
        ARCINFO* info = file_searcher->Find(FileSearcher::SCN, fname, "");
        if (info == NULL) goto err;
        data = info->Read();

        /* version 確認 */
        scenario_magic = read_little_endian_int(data + 4);
        if (scenario_magic != 0x2712 && scenario_magic != 0x1adb2) {
                fprintf(stderr,"Invalid scenario header : scenario number %d\n",new_scn_number);
                goto err;
        }
        if (read_little_endian_int(data) == 0x1cc) {
                system_version = 0;
                offset = 0x1cc + read_little_endian_int(data+0x20) + 4;
        } else if (read_little_endian_int(data) == 0x1d0) {
                system_version = 1;
                offset = read_little_endian_int(data + 0x20);
        } else {
                fprintf(stderr,"Invalid scenario header : scenario number %d\n",new_scn_number);
                goto err;
        }
        /* header から subroutine number ずりだし */
        if (call_vec) {
                int i;
                for (i=0; i<100; i++) {
                        call_vec[i] = read_little_endian_int(data + 0x34 + i * 4);
                }
        }
        ret_data = new char[info->Size() - offset + 1024];
        memcpy(ret_data, data+offset, info->Size()-offset);
        memset(ret_data+info->Size()-offset, 0, 1024);
        end = ret_data + info->Size() - offset;
        delete info;
        return ret_data;

err:
        delete info;
        fprintf(stderr,"Cannot open scenario number %d\n",new_scn_number);
        throw std::invalid_argument("Scn2k::OpenScript");

        return false;
}

bool Scn2k::ChangeScript(int new_scn_number, int call_no) {
        int old_scn_number = scn_number;
        int old_scn_pt = script - script_start;
        int scn_pt = 0;

        if (script_start) delete[] script_start;
        script_start = NULL;
        script = NULL;
        script_end = NULL;

        int call_vec[100];

        try {
                script_start = OpenScript(new_scn_number, script_end, call_vec, system_version);
        } catch(...) {
                fprintf(stderr,"\tFrom script %d pt %d\n",old_scn_number, old_scn_pt);
                throw;
        }
        if (call_no > 0 && call_no < 100) {
                scn_pt = call_vec[call_no];
                if (scn_pt == 0) {
                        fprintf(stderr,"Invalid subroutine number: scn %d sub %d\n",new_scn_number, call_no);
                        scn_pt = 0;
                }
        } else if (call_no < 0) {
                scn_pt = -call_no; // デバッグ甚
        }

        scn_number = new_scn_number;
        scn_point = scn_pt;
        script = script_start + scn_pt;
        if (script < script_start || script >= script_end) 
                fprintf(stderr,"scn %d pt %d: Cannot jump to %d:%d; fall back to the top\n",old_scn_number, old_scn_pt, scn_number, scn_pt);
        return true;
}

bool Scn2k::ReadCmdAt(Cmd& cmd, int scn, int pt) {
        const char* d;
        if (scn == scn_number) {
                d = script_start + pt;
                if (d < script_start || d >= script_end) {
                        fprintf(stderr,"Cannot read script at current scn %d pt %d\n", scn, pt);
                        return false;
                }
        } else {
                if (backlog_script_scn != scn) {
                        if (backlog_script_start) delete[] backlog_script_start;
                        backlog_script_start = OpenScript(scn, backlog_script_end, 0, system_version);
                }
                d = backlog_script_start + pt;
                if (d < backlog_script_start || d >= backlog_script_end) {
                        fprintf(stderr,"Cannot read script at scn %d pt %d\n", scn, pt);
                        return false;
                }
        }
        
        cmd.GetCmd(flag, d);
        return true;
}

extern bool save_req, load_req; // キヌボヌドからセヌブ・ロヌドできるように
extern bool pressAreq;

void Scn2k::Elapsed(unsigned int current_time) {
        SetWakeup(current_time + 10); // 10msに䞀回シナリオスクリプト解釈
        if (script == NULL) return;
//VarInfo info; info.type = 6; info.number = 0; // PB の「䞀回ゲヌムを開始したこずがある」フラグ
//flag.Set(info,1);
//info.type = 0; info.number = 604; // Princess Bride: クリア察象蚭定フラグ (聖)
//flag.Set(info, 1); 


        Cmd cmd(flag, system_version);
        int cnt1;
        int cnt2 = 1000; // flag / jump / flag 系コマンドの最倧実行回数

        /* XXX */
        if (save_req) {
                save_req = false;
                load_req = false;
                cmd.cmd_type = CMD_SAVEREQ;
        } else if (load_req) {
                load_req = false;
                save_req = false;
                cmd.cmd_type = CMD_LOADREQ;
        }
        if (pressAreq) {
                pressAreq = false;
                LoadRollback(cmd);
                return;
        }

        /* キヌ入力などに察応 */
        // メニュヌ内以倖で shift キヌが抌されたらスキップ開始
        if ( (skip_mode&SKIP_IN_MENU) == 0) {
                if (event.pressed(KEY_SHIFT)) {
                        if (skip_mode & SKIP_TEXT) {
                                ; // スキップ䞭ならなにもしない
                        } else {
                                SetSkipMode(SkipMode(SKIP_TEXT | SKIP_GRP_NOEFFEC | SKIPEND_KEY));
                        }
                } else {
                        if ( skip_mode & SKIPEND_KEY) {
                                if ( (skip_mode & SKIPEND_TEXT) && (skip_mode & SKIP_TEXT)) {
                                        SkipMode new_skip_mode = SkipMode(skip_mode & (~SKIPEND_KEY));
                                        if ( (new_skip_mode & SKIP_GRP_FAST) || (new_skip_mode & SKIP_GRP_NODRAW)) {
                                                new_skip_mode = SkipMode(skip_mode & (~SKIP_GRP_NOEFFEC));
                                        }
                                        SetSkipMode(new_skip_mode);
                                } else {
                                        SetSkipMode(SKIP_NO);
                                }
                        }
                }
        }

        for (cnt1=0; cnt1<20; cnt1++) { // 䞀回に぀き 20 個のコマンド実行
                // 他のコマンド実行䞭なら終了
                if ( (cmd.cmd_type == CMD_NOP && SysWait(cmd)) ||
                     // (cmd.cmd_type == CMD_NOP && text_exec.Wait(current_time, cmd)) ||
                     // (cmd.cmd_type == CMD_NOP && grp_exec.Wait(current_time, cmd))) {
                     (cmd.cmd_type == CMD_NOP && grp_exec.Wait(current_time, cmd)) ||
                     (cmd.cmd_type == CMD_NOP && text_exec.Wait(current_time, cmd))) {
                        break;
                }
                // コマンド読み蟌み
                for (; cnt2 > 0; cnt2--) {
                        scn_point = script - script_start;
                        eprintf("%d / %d :", script - script_start, script_end-script_start);
// fprintf(stderr,"%d: %d / %d :",scn_number,  script - script_start, script_end-script_start);
                        cmd.GetCmd(flag, script);
//              if (cmd.cmd_type != CMD_NOP) {
if (0) {
                        fprintf(stderr,"%d / %d : 0x23 - cmd %02x-%02x:%04x:%02x[%2d] \n",
                                scn_point, script_end-script_start,
                                cmd.cmd1,cmd.cmd2,cmd.cmd3,cmd.cmd4,cmd.argc);
                        int i;
                        for (i = 0; i<cmd.args.size(); i++) {
                                if (i == 0) fprintf(stderr,"\t");
                                VarInfo info = cmd.args[i];
                                if (info.type == TYPE_STR || info.type == TYPE_VARSTR)
                                        fprintf(stderr,"\"%s\",", cmd.Str(info));
                                else
                                        fprintf(stderr,"%d,",info.value);
                        }
                        fprintf(stderr,"\n");
                }
                        cmd.scn = scn_number;
                        cmd.pos = scn_point;
                        if (cmd.IsError()) break;
                        if (cmd.cmd_type == CMD_NOP) continue;
                        if (cmd.cmd_type == CMD_JMP) {
                                // local jump
                                if (cmd.cmd1 == 0 && cmd.cmd2 == 1 && cmd.cmd3 == 16) {
                                        int i;
                                        for (i=0; i<cmd.args.size()-1; i++) {
                                                VarInfo var;
                                                var.type = 11;
                                                var.number = i;
                                                flag.Set(var, cmd.args[i].value);
                                        }
                                        cmd.args[0].value = cmd.args[i].value;
                                }
                                if ( cmd.cmd1 == 0 && cmd.cmd2 == 1 && (cmd.cmd3 == 5 || cmd.cmd3 == 8 || cmd.cmd3 == 16) ) { // local call / simple switch
                                        int scn_pt = script - script_start;
// fprintf(stderr,"\nlocal call %d:%d from %d\n",scn_number,cmd.args[0].value,scn_pt);
                                        stack.push_back(StackItem(-1, scn_pt));
                                }
if (cmd.cmd1 == 0 && cmd.cmd2 == 1 && cmd.cmd3 == 1) {//TODO
        fprintf(stderr,"***  unsupported: cond 1\n");
}
                                script = script_start + cmd.args[0].value;
                                if (script < script_start || script >= script_end) {
                                        fprintf(stderr,"scn %d pt %d: Cannot jump to %d; fall back to the top\n", scn_number, scn_point, cmd.args[0].value);
                                        script = script_start;
                                }
                                cmd.clear();
                                continue;
                        }
                        if (flag.Exec(cmd)) continue;
                        break;
                }
                if (cmd.IsError()) {
fprintf(stderr,"cmd error occured: scn %d pt %d / cur %d",scn_number,scn_point,script-script_start);
                        while(script < script_end) {
                                if (*script == 0x29 && script[1] == 0x0a) {script++;break;}
                                if (*script == 0 && script[1] == 0x0a) {script++;break;}
                                if (*script == 0 && script[1] == 0x23) {script++;break;}
                                script++;
fprintf(stderr," -> fall back to %d\n",script-script_start);
                        }
                        const char* dprev = script - 0x60;
                        if (dprev < script_start) dprev = script_start;
                        int ilen = (script-dprev+65)/16;
                        int i; for (i=0; i<ilen; i++) {
                                fprintf(stderr, "%6d: ",dprev-script_start);
                                int j; for (j=0; j<16; j++) {
                                        if (dprev >= script_end) break;
                                        fprintf(stderr, "%02x ",*(unsigned char*)(dprev));
                                        dprev++;
                                }
                                fprintf(stderr, "\n");
                        }
                        break;
                }

                if (cmd.cmd_type == CMD_NOP) continue;

                if (cmd.cmd_type == CMD_TEXT && cmd.pos != -1) {
                        set<int>& readflag = text_readflag[scn_number];
                        if (readflag.find(cmd.pos) == readflag.end()) { // 未読テキスト発芋
                                readflag.insert(cmd.pos);
                                if (skip_mode & SKIPEND_TEXT) {
                                        if (!(skip_mode & SKIPEND_KEY)) SetSkipMode(SKIP_NO);
                                }
                        }
                }
                text_exec.Exec(cmd);
                grp_exec.Exec(cmd);
                SysExec(cmd);
                if (cmd.cmd_type == CMD_WAITFRAMEUPDATE) {
                        SetWakeup(Event::Time::FRAME_UPDATE);
                        break;
                } else if (cmd.cmd_type != CMD_NOP) {
#if DEBUG
                        fprintf(stderr,"%d-%d / %d : unsupported command; 0x23 - cmd %02x-%02x:%04x:%02x[%2d] \n",
                                cmd.scn, script - script_start, script_end-script_start,
                                cmd.cmd1,cmd.cmd2,cmd.cmd3,cmd.cmd4,cmd.argc);
                        int i;
                        for (i = 0; i<cmd.args.size(); i++) {
                                if (i == 0) fprintf(stderr,"\t");
                                VarInfo info = cmd.args[i];
                                if (info.type == TYPE_STR || info.type == TYPE_VARSTR)
                                        fprintf(stderr,"\"%s\",", cmd.Str(info));
                                else
                                        fprintf(stderr,"%d,",info.value);
                        }
                        fprintf(stderr,"\n");
#endif
                        cmd.clear();
                }
        }
}

void Scn2k::ShowCursor(void) {
        HideCursor();
        char key[1024];
        sprintf(key, "#MOUSE_CURSOR.%03d.NAME", mouse_type);
        const char* name = config->GetParaStr(key);
        if (name == NULL || name[0] == 0) mouse_surface = DEFAULT_MOUSECURSOR;
        else
                mouse_surface = parent.Root().NewSurface(name, COLOR_MASK);
        if (mouse_surface == NULL)
                mouse_surface = DEFAULT_MOUSECURSOR;
        System::Main::SetCursor(mouse_surface, Rect(8, 8, 8+32, 8+32));
}

void Scn2k::HideCursor(void) {
        if (mouse_surface) {
                System::Main::SetCursor(0, Rect(0,0));
                if (mouse_surface != DEFAULT_MOUSECURSOR)
                        parent.Root().DeleteSurface(mouse_surface);
                mouse_surface = NULL;
        }
}

bool Scn2k::SysWait(Cmd& cmd) {
        if (menu) {
                menu->Exec(cmd);
                if (menu->status & Scn2kMenu::MENU_DELETE || menu->pimpl == NULL) {
                        delete menu;
                        menu = NULL;
                        if (! menu_mouseshown) HideCursor();
                        else ShowCursor();
                        SetSkipMode(SkipMode(skip_mode & (~SKIP_IN_MENU) ));
                }
                if (cmd.cmd_type == CMD_NOP) return true;
                else return false; /* exec command */
        }
        return false;
}

void DllCall_LB(Cmd& cmd, Flags& flags);
void Scn2k::SysExec(Cmd& cmd) {
        if (cmd.cmd_type == CMD_SYSVAR) {
                int i;
                for (i=0; i<cmd.args.size(); i++) {
                        if (cmd.args[i].type == TYPE_SYS) {
                                if (cmd.args[i].number == TYPE_SYS_SYS) {
                                        flag.SetSys(cmd.args[i].value);
                                } else if (cmd.args[i].number == TYPE_SYS_SKIPMODE) {
                                        SetSkipMode(SkipMode(cmd.args[i].value));
                                }
                        } else if (cmd.args[i].type == TYPE_VARSTR) {
                                flag.SetStr(cmd.args[i].number, cmd.Str(cmd.args[i]));
                        } else {
                                flag.Set(cmd.args[i], cmd.args[i].value);
                        }
                }
                cmd.clear();
        }
        if (cmd.cmd_type == CMD_SAVEPOINT || cmd.cmd_type == CMD_ROLLBACKPOINT) {
                if (text_exec.backlog_item.scn != -1) {
                        text_exec.backlog.push_back(text_exec.backlog_item);
                        text_exec.backlog_item.Clear();
                }
                save_scn = scn_number;
                save_point = scn_point;
                if (!new_rollback_save.empty()) {
                        rollback_save.push_back(new_rollback_save);
                        new_rollback_save = "";
                }
                if (cmd.cmd_type == CMD_ROLLBACKPOINT) SaveRollback();
                cmd.clear();
        }
        if (cmd.cmd_type == CMD_SAVEREQ || cmd.cmd_type == CMD_SAVE) {
                Save(cmd);
                return;
        }
        if (cmd.cmd_type == CMD_LOADREQ || cmd.cmd_type == CMD_LOAD) {
                Load(cmd);
                return;
        }
        if (cmd.cmd_type == CMD_BACKLOGREQ || cmd.cmd_type == CMD_BACKLOGREQ_FWD) {
                if (menu) {
                        fprintf(stderr,"BACKLOG_REQ requested!!!\n");
                        return;
                }
                if (cmd.cmd_type == CMD_BACKLOGREQ_FWD) {
                        cmd.clear(); // backlog mode 以倖で fwd を抌されおもなにもしない
                        return;
                }
                SetSkipMode(SKIP_IN_MENU); // テキストスキップ等はここで䞭断
                menu = new Scn2kMenu(Scn2kMenu::MENU_BACKLOG, *this, flag, text_exec, system_version);
                menu->InitPanel(event, parent);
                menu->InitTitle(Scn2kSaveTitle(*this));
                if (mouse_surface) menu_mouseshown = true;
                else menu_mouseshown = false;
                ShowCursor();
                return;
        }
        if (cmd.cmd_type == CMD_MENUREQ) {
                int scn=0, pt=0;
                config->GetParam("#CANCELCALL", 2, &scn, &pt);
                if (scn) {
                        // 右クリックされたら global call を行う
                        cmd.cmd_type = CMD_OTHER;
                        cmd.cmd1 = 0;
                        cmd.cmd2 = 1;
                        cmd.cmd3 = 0x0c;
                        cmd.cmd4 = 1;
                        cmd.args.clear();
                        cmd.args.push_back(VarInfo(SCN_INFO_MENU));
                        cmd.args.push_back(0);
                        SetSkipMode(SKIP_IN_MENU); // テキストスキップ等はここで䞭断
                }
        }
        if (cmd.cmd_type == CMD_SAVECMDGRP || cmd.cmd_type == CMD_SAVECMDGRP_START || cmd.cmd_type == CMD_SAVECMDGRP_ONCE || cmd.cmd_type == CMD_SAVECMD_ONCE) {
                // 画像コマンド等はスタックに保存し、セヌブ時に保存できるようにする
                if (cmd.cmd_type == CMD_SAVECMDGRP_START) {
                        vector<CmdSimplified>::iterator it, cur;
                        cur = cmd_stack.begin();
                        cmd_stack_str = cmd_stack_str_orig;
                        /* 画像関連コマンド以倖を別にする */
                        for (it=cmd_stack.begin(); it != cmd_stack.end(); it++) {
                                if (it->type != CMD_SAVECMDGRP && it->type != CMD_SAVECMDGRP_START && it->type != CMD_SAVECMDGRP_ONCE) {
                                        cur->copy(*it, cmd_stack_str);
                                        cur++;
                                }
                        }
                        cmd_stack.erase(cur, cmd_stack.end());
                }
                if (cmd.cmd_type == CMD_SAVECMD_ONCE || cmd.cmd_type == CMD_SAVECMDGRP_ONCE) { // 同じコマンドがあれば削陀する
                        vector<CmdSimplified>::iterator it;
                        for (it = cmd_stack.end(); it != cmd_stack.begin(); ) {
                                --it;
                                if (it->cmd1 == cmd.cmd1 && it->cmd2 == cmd.cmd2 && it->cmd3 == cmd.cmd3 && it->cmd4 == cmd.cmd4) {
                                        cmd_stack.erase(it);
                                        break;
                                }
                        }
                }
                CmdSimplified cmd_item;
                cmd.write(cmd_item, cmd_stack_str);
                cmd_stack.push_back(cmd_item);
                cmd.clear();
                if (cmd_stack_str > cmd_stack_str_orig + 30000) { // char cmd_stack_str_orig[32768]
                        fprintf(stderr,"Error in Scn2k::SysExec: too long cmdstack (%d): stack string overflow\n",cmd_stack.size());
                        cmd_stack_str = cmd_stack_str_orig;
                        cmd_stack.clear();
                }
        }
        if (cmd.cmd_type != CMD_OTHER) return;
        if (cmd.cmd1 == 0 && cmd.cmd2 == 1) {
                if (cmd.cmd3 == 0x0b) { // global jump
                    int call_no = 0;
                    if (cmd.args.size() >= 2) call_no = cmd.args[1].value;
                        eprintf("global jump to %d\n",cmd.args[0].value);
                        if (! ChangeScript(cmd.args[0].value, call_no)) return; // 読み蟌めない; abort.
                        cmd.clear();
                } else if (cmd.cmd3 == 0x0c || cmd.cmd3 == 0x12) { // call (0x12 の方は埮劙)
                        int new_scn = cmd.args[0].value;
                        int new_pt = 0;
                        if (cmd.args.size() >= 2) { // subroutine number が付く
                                        // 匕数が付くのもあるらしい
                                new_pt = cmd.args[1].value;
                        }
                        if (new_scn == SCN_INFO_MENU) { // menu call
                                config->GetParam("#CANCELCALL", 2, &new_scn, &new_pt);
                                stack.push_back(StackItem(SCN_INFO, SCN_INFO_MENU)); // menu call を瀺す特殊な蚘号
                        } else {
                                int i;
                                VarInfo var;
                                // ロヌカル倉数を䌎う subroutine call
                                var.type = 11;
                                var.number = 0;
                                int saved_vars = 0;
                                for (i=0; i<40; i++) {
                                        int val = flag.Get(var.type, i);
                                        if (val != 0) {
                                                stack.push_back(StackItem(SCN_INFO_LOCALS + i, val));
                                                saved_vars++;
                                        }
                                }
                                var.type = TYPE_VARLOCSTR;
                                for (i=0; i<3; i++) {
                                        string s = flag.Str(var.type, i);
                                        if (s.size()) {
                                                int sp = stack_strbuffer.size();
                                                stack.push_back(StackItem(SCN_INFO_LOCALSTR+i, sp));
                                                stack_strbuffer.push_back(s);
                                                saved_vars++;
                                        }
                                }
                                stack.push_back(StackItem(SCN_INFO, SCN_INFO_LOCALS + saved_vars));
                                        
                                var.type = 11;
                                var.number = 0;
                                // 特殊な subroutine call ãªã®ã§ã€äœ™èšˆãªæƒ…å ±ã‚’åŒ•æ•°ã«æž¡ã™
                                for (i=2; i<cmd.args.size(); i++) {
                                        flag.Set(var, cmd.args[i].value);
// fprintf(stderr,"<%d:%d>=%d;",var.type,var.number,cmd.args[i].value);
                                        var.number++;
                                }
// fprintf(stderr,"%d; ",stack.size());
                        }
                        int scn_pt = script - script_start;
                        stack.push_back(StackItem(scn_number, scn_pt));
// fprintf(stderr,"\nglobal call %d:%d from %d:%d\n",new_scn,new_pt,scn_number,scn_pt);
                        eprintf("global call to %d, %d\n",new_scn, new_pt);
                        if (! ChangeScript(new_scn, new_pt)) return; // 読み蟌めない; abort.
                        cmd.clear();
                } else if (cmd.cmd3 == 0x65) { // 文字列の返り倀をセットする
                        int arg1 = cmd.args[0].value;
                        string s = cmd.Str(cmd.args[1]);
                        int sp = stack_strbuffer.size();
                        stack.push_back(StackItem(SCN_INFO_RETSTR+arg1, sp));
                        stack_strbuffer.push_back(s);
                        cmd.clear();
                } else if (cmd.cmd3 == 0x0d || cmd.cmd3 == 0x0a || cmd.cmd3 == 0x11 || cmd.cmd3 == 0x13) { // return (0a: local return) (0x13はよくわからない)
// fprintf(stderr,"global return : stack size %d\n",stack.size());
                        if (stack.empty()) {
                                cmd.clear();
                                return; // スタックがおかしいabort
                        }
                        map<int, string> retstr;
                        while( (!stack.empty()) && stack.back().scn_number >= SCN_INFO_RETSTR) {
                                int ret_num = stack.back().scn_number - SCN_INFO_RETSTR;
// fprintf(stderr,"\nRetStr;");
                                string str = stack_strbuffer.back();
                                stack_strbuffer.pop_back();
                                retstr[ret_num] = str;
                                stack.pop_back();
                        }
                        if (stack.empty()) {
                                cmd.clear();
                                return; // スタックがおかしいabort
                        }
                        StackItem s = stack.back();
                        stack.pop_back();
                        bool localvar_init = false;
                        while( (!stack.empty()) && stack.back().scn_number == SCN_INFO) {
                                int mode = stack.back().scn_pt;
                                stack.pop_back();
                                if (mode == SCN_INFO_MENU) {
// fprintf(stderr,"\nInfo Menu;");
                                        // menu モヌド終了
                                        SetSkipMode(SkipMode(skip_mode & (~SKIP_IN_MENU) ));
                                } else if (mode >= SCN_INFO_LOCALS && mode <= SCN_INFO_LOCALS+50) {
// fprintf(stderr,"\nInfo Local;");
                                        int i;
                                        // ロヌカル倉数を元に戻す
                                        VarInfo var;
                                        var.type = 11;
                                        var.number = 0;
                                        for (i=0; i<40; i++) {
                                                var.number = i;
                                                flag.Set(var, 0);
                                        }
                                        var.type = TYPE_VARLOCSTR;
                                        for (i=0; i<3; i++) {
                                                var.number = i;
                                                flag.SetStr(var, "");
                                        }
                                        int args = mode - SCN_INFO_LOCALS;
// fprintf(stderr," args = %d; ",args);
                                        for (i=0; i<args; i++) {
                                                if (stack.empty() || stack.back().scn_number < SCN_INFO) {
                                                        fprintf(stderr,"Fatal : Invalid stack found in preserved local variables!\n");
                                                        break;
                                                }
                                                var.number = stack.back().scn_number;
// fprintf(stderr,"%d:%d; ",stack.back().scn_number,stack.back().scn_pt);
                                                if (var.number >= SCN_INFO_LOCALS && var.number < SCN_INFO_LOCALSTR) {
                                                        var.type = 11;
                                                        var.number -=  SCN_INFO_LOCALS;
                                                        flag.Set(var, stack.back().scn_pt);
                                                } else if (var.number >= SCN_INFO_LOCALSTR && var.number < SCN_INFO_RETSTR) {
                                                        var.type = TYPE_VARLOCSTR;
                                                        var.number -= SCN_INFO_LOCALSTR;
                                                        flag.SetStr(var, stack_strbuffer.back());
                                                        stack_strbuffer.pop_back();
                                                }
                                                stack.pop_back();
                                        }
                                }
// fprintf(stderr,"stack size %d string size %d\n",stack.size(),stack_strbuffer.size());
                        }
                        if (cmd.cmd3 == 0x11 || cmd.cmd3 == 0x13) {
// fprintf(stderr,"\nSet RetLocal;");
                                // 返り倀をセットする
                                map<int,string>::iterator it;
                                VarInfo var;
                                var.type = TYPE_VARLOCSTR;
                                for (it=retstr.begin(); it!=retstr.end(); it++) {
                                        var.number = it->first;
                                        flag.SetStr(var, it->second);
                                }
                                var.type = 11;
// fprintf(stderr,"return : cmd.cmd3 == 0x11; size %d\n",cmd.args.size());
                                if (cmd.args.size() == 1) {
// fprintf(stderr,"return value %d\n",cmd.args[0].value);
                                        flag.SetSys(cmd.args[0].value);
                                } else {
                                        int i;for (i=0; i<cmd.args.size(); i++) {
                                                var.number = i;
                                                flag.Set(var, cmd.args[i].value);
                                        }
                                }
                        }
// fprintf(stderr,"global return : return to %d:%d\n",s.scn_number,s.scn_pt);
// fprintf(stderr,"\nglobal return %d:%d from %d:%d\n",s.scn_number,s.scn_pt,scn_number, script - script_start);
                        if (s.scn_number != -1) {
                                if (! ChangeScript(s.scn_number, 0)) return; // 読み蟌めない; abort.
                        }
                        script = script_start + s.scn_pt;
                        cmd.clear();
                }
        } else if (cmd.cmd1 == 2 && cmd.cmd2 == 1 && cmd.cmd3 == 12) { // DLL Call
                const char* regname = config->GetParaStr("#REGNAME");
                const char key_lb[] = "KEY\\LittleBusters";//FIXME: too specific to be here?
                if (strcmp(regname, key_lb) == 0) {
                        DllCall_LB(cmd, flag);
                        cmd.clear();
                }
        } else if (cmd.cmd1 == 0 && cmd.cmd2 == 0x04) { // メニュヌモヌド
                if (cmd.cmd3 == 300 || cmd.cmd3 == 301 || cmd.cmd3 == 302) {
                        // メニュヌからのreturn
                        cmd.cmd2 = 1;
                        cmd.cmd3 = 0x0d;
                        SysExec(cmd);
                }
        } else if (cmd.cmd1 == 1 && cmd.cmd2 == 0x04) {
                if (cmd.cmd3 == 0 && cmd.cmd4 == 0) { // タむトル名蚭定
                        const char* name = cmd.Str(cmd.args[0]);
                        if (name == NULL) name = "";
                        window_title = name;
                        const char* config_name = config->GetParaStr("#CAPTION");
                        if (config_name == NULL) config_name = "";
                        string setname = kconv(string(config_name) + "  " + window_title);
                        parent.Root().SetWindowCaption(setname.c_str());
                        cmd.clear();
                } else if (cmd.cmd3 == 0x82 && cmd.cmd4 == 0) {
                        /* cmd.cmd3 == 0x82 : マりスの press 状態クリアかも */
                        event.presscount(MOUSE_LEFT);
                        event.presscount(MOUSE_RIGHT);
                        cmd.clear();
                } else if (cmd.cmd3 == 0x85 && cmd.cmd4 == 0) {
                        int x,y,left,right;
                        event.MousePos(x,y);
                        if (event.presscount(MOUSE_LEFT)) left = 2;
                        else if (event.pressed(MOUSE_LEFT)) left = 1;
                        else left = 0;
                        
                        if (event.presscount(MOUSE_RIGHT)) right = 2;
                        else if (event.pressed(MOUSE_RIGHT)) right = 1;
                        else right = 0;
                        
                        // eprintf("mouse pos\n");
                        flag.Set(cmd.args[0], x);
                        flag.Set(cmd.args[1], y);
                        flag.Set(cmd.args[2], left);
                        flag.Set(cmd.args[3], right);
                        cmd.clear();
                } else if (cmd.cmd3 == 0x15e || cmd.cmd3 == 0x161 || cmd.cmd3 == 0x162 || cmd.cmd3 == 0x14c || cmd.cmd3 == 0x7d1) {
/* 15e, 161, 162, 14c, 7d1 : ãªã‚“ã‚‰ã‹ã®ã‚·ã‚¹ãƒ†ãƒ æƒ…å ±ã‚’è¿”ã™ïŒˆskip modeなど */
/* 7d1: == 1 || 14c: == 1 || (15e==1&&161==1&&162==0) || (press_val == 2) : スキップ䞭 タむトル画面のアニメヌション終了 */
                        flag.SetSys(0);
                        cmd.clear();
                } else if (cmd.cmd3 == 0x4b0) { // 終了
                        System::Main::Quit();
                        //script = NULL; script_start = NULL; script_end = NULL;
                        cmd.clear();
                        cmd.cmd_type = CMD_WAITFRAMEUPDATE;
                } else if (cmd.cmd3 == 0x4b4 || cmd.cmd3 == 0x4b5) { // 遞択肢巻き戻し
                        LoadRollback(cmd);
                } else if (cmd.cmd3 == 0x58d) {
                        // 前にロヌド|セヌブされた番号を返す。
                int lastsave;
                config->GetParam("#LASTSAVE", 1, &lastsave);
                flag.SetSys(lastsave-1);
                } else if (cmd.cmd3 == 0x585) {
                        // 第䞀匕数の蚘録された日付、タむトルなどが返される
                        // デヌタがないなら sys に 0が、あるなら 1 が返る
                        int y,m,d,wd,h,min,s,ms;
                        string title;
fprintf(stderr,"StatSave %d:",cmd.args[0].value+1);
                        if (StatSaveFile(cmd.args[0].value+1,y,m,d,wd,h,min,s,ms,title) == true) {
                                flag.Set(cmd.args[1], y);
                                flag.Set(cmd.args[2], m);
                                flag.Set(cmd.args[3], d);
                                flag.Set(cmd.args[4], wd);
                                flag.Set(cmd.args[5], h);
                                flag.Set(cmd.args[6], min);
                                flag.Set(cmd.args[7], s);
                                flag.Set(cmd.args[8], ms);
                                if (cmd.args[9].type == TYPE_VARSTR) {
                                        flag.SetStr(cmd.args[9], kconv_rev(title));
                                }
                                flag.SetSys(1);
                        } else {
                                flag.SetSys(0);
                        }
                        cmd.clear();
                } else if (cmd.cmd3 == 0xc23) { // save
                        Save(cmd);
                } else if (cmd.cmd3 == 0xc25) { // load
                        Load(cmd);
                } else if (cmd.cmd3 == 0x4b1 || cmd.cmd3 == 0x4b3) { // menu ぞ戻る (4b3: バッド゚ンド)
                        int scn_start;
                        if (config->GetParam("#SEEN_MENU", 1, &scn_start) == 0) {
                                ChangeScript(scn_start, 0);
                                save_scn = 0;
                                save_point = 0;
                                window_title = "";
                                const char* window_title_config = config->GetParaStr("#CAPTION");
                                if (window_title_config) window_title = window_title_config;
                                parent.Root().SetWindowCaption(kconv(window_title).c_str());
                                stack.clear();
                                cmd_stack.clear();
                                cmd_stack_str = cmd_stack_str_orig;
                                flag.Load("");
                                text_exec.Load("");
                                grp_exec.Load("");
                                SetSkipMode(SKIP_NO);
                        }
                } else if (cmd.cmd3 == 0xcc) {
                        eprintf("show mouse cursor\n");
                        ShowCursor();
                        cmd.clear();
                } else if (cmd.cmd3 == 0xcd) {
                        eprintf("hide mouse cursor\n");
                        HideCursor();
                        cmd.clear();
                } else if (cmd.cmd3 == 0xcf) {
                        mouse_type = cmd.args[0].value;
                        eprintf("change mouse cursor : %d\n", mouse_type);
                        if (mouse_surface) ShowCursor();
                        cmd.clear();
                }
        }

}

#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <unistd.h>

// セヌブファむルの名前を぀くる
string Scn2k::MakeSaveFile(void) const {
        struct stat sstatus;
        string dir = "~/.xkanon";

        if (dir.c_str()[0] == '~' && dir.c_str()[1] == '/') {
                char* home = getenv("HOME");
                if (home != NULL) {
                        string new_dir = string(home) + (dir.c_str()+1);
                        dir = new_dir;
                }
        }
        // savepathにファむル名が入っおいれば、それをセヌブファむルずしお䜿う
        if (stat(dir.c_str(), &sstatus) == -1) {
                if (errno != ENOENT) {
                        fprintf(stderr,"Cannot open save file; dir %s is not directory\n",dir.c_str());
                        return "";
                }
                if (mkdir(dir.c_str(), S_IRWXU) != 0 && errno != EEXIST) {
                        fprintf(stderr, "Cannot create directory %s ; Please create manually!!\n",dir.c_str());
                }
        } else {
                if ( (sstatus.st_mode & S_IFMT) == S_IFREG) {
                        return dir;
                }
        }
        // ファむル名を䜜る
        const char* regname = config->GetParaStr("#REGNAME");

        char* fname = new char[strlen(regname)+1];
        /* レゞストリ名をファむル名ずしお有効なものにする */
        int i; for (i=0; regname[i]!=0; i++) {
                char c = regname[i];
                if (c == '\\' || c == '/' || c == ':' || c <= 0x20) c = '_';
                fname[i] = tolower(c);
        }
        fname[i] = 0;
        dir += "/save.";
        dir += fname;
        delete[] fname;
        return dir;
}

// セヌブファむルの名前を぀くる
string Scn2kSaveTitle::operator() (int number) const {
        int y,m,d,wd,h,min,sec,msec;
        string title;
        if (! impl.StatSaveFile(number, y,m,d,wd,h,min,sec,msec,title)) {
                return "";
        } else {
                char buf[1024];
                sprintf(buf, "%2d/%2d %2d:%2d ",m,d,h,min);
                return string(buf) + title;
        }
}

void Scn2k::SaveSys(void) {
        char buf[1024];
        string save;
        string path = MakeSaveFile();
        
        sprintf(buf, "KEY=%s\n", config->GetParaStr("#REGNAME"));
        save += buf;
        string save_config;
        config->DiffOriginal(save_config);
        save += "CONFIG=";
        save += save_config;
        save += "\n";
        string save_flag; flag.SaveSys(save_flag);
        save += save_flag;
        string save_grp; grp_exec.SaveSys(save_grp);
        save += save_grp;
        map<int,set<int> >::iterator it;
        save += "[TextRead]\n";
        for (it=text_readflag.begin(); it != text_readflag.end(); it++) {
                set<int>& read_flag = it->second;
                set<int>::iterator jt;
                char buf[1024];
                sprintf(buf,"T<%05d>=",it->first);
                string save_readflag = buf;
                for (jt=read_flag.begin(); jt != read_flag.end(); jt++) {
                        sprintf(buf, "%d,", *jt);
                        save_readflag += buf;
                }
                save_readflag += "\n";
                save += save_readflag;
        }

        path += ".0";
        FILE* f = fopen(path.c_str(), "w");
        if (f == NULL) {
                fprintf(stderr,"Cannot open save file %s\n",path.c_str());
                return;
        }
        fwrite(save.c_str(), save.length(), 1, f);
        fclose(f);
        return;
}

void Scn2k::LoadSys(void) {
        char buf[1024];
        string path = MakeSaveFile();
        path += ".0";
        FILE* f = fopen(path.c_str(), "r");
        if (f == NULL) {
                fprintf(stderr, "Cannot open save file %s\n",path.c_str());
        } else {
                fseek(f, 0, SEEK_END);
                int sz = ftell(f);
                fseek(f, 0, SEEK_SET);
                char* savedata = new char[sz+1];
                fread(savedata, sz, 1, f);
                savedata[sz] = 0;
                fclose(f);

                sprintf(buf, "KEY=%s\n", config->GetParaStr("#REGNAME"));
                if (strncmp(savedata, buf, strlen(buf)) != 0) {
                        fprintf(stderr,"Invalid header in save file %s: it must be started with \"%s\"\n", path.c_str(), buf);
                } else  {
                        char* config_str = strstr(savedata, "\nCONFIG=");
                        if (config_str) {
                                config_str += strlen("\nCONFIG=");
                                char* strend = strchr(config_str, '\n');
                                if (strend) {
                                        int l = strend - config_str;
                                        char* config_copy = new char[l+1];
                                        strncpy(config_copy, config_str, l);
                                        config_copy[l] = 0;
                                        config->PatchOriginal(config_copy);
                                        delete[] config_copy;
                                }
                        }
                        flag.LoadSys(savedata);
                        grp_exec.LoadSys(savedata);
                        char* save = strstr(savedata, "\n[TextRead]\n");
                        if (save) {
                                save += strlen("\n[TextRead]\n");
                                do {
                                        if (save[0] == '[') break; // next section
                                        char* next_save = strchr(save, '\n');
                                        if (next_save) {
                                                *next_save++ = 0;
                                        }
                                        // T<XXXXX>=YYY,YYY,YYY,...
                                        if (strncmp(save,"T<",2) == 0) {
                                                int scn_num = atoi(save+2);
                                                set<int>& read_flag = text_readflag[scn_num];
                                                save += strlen("T<XXXXX>=");
                                                while(save && *save) {
                                                        if (save[0] >= '0' && save[0] <= '9') {
                                                                int num = atoi(save);
                                                                read_flag.insert(num);
                                                        }
                                                        save = strchr(save, ',');
                                                        if (save) save++;
                                                }
                                        }
                                        save = next_save;               
                                } while(save);
                        }

                }
                delete[] savedata;
        }

        /* 初期化 */
        int scn_start; config->GetParam("#SEEN_START", 1, &scn_start);
        ChangeScript(scn_start, 0);
        save_scn = 0;
        save_point = 0;
        window_title = "";
        const char* window_title_config = config->GetParaStr("#CAPTION");
        if (window_title_config) window_title = window_title_config;
        parent.Root().SetWindowCaption(kconv(window_title).c_str());
        stack.clear();
        cmd_stack.clear();
        cmd_stack_str = cmd_stack_str_orig;

        return;
}

bool Scn2k::StatSaveFile(int num, int& year, int& month, int& day, int& wday, int& hour,int& min, int& sec, int& msec, string& title) const {
        char buf[1024];
        string path = MakeSaveFile();
        if (num <= 0 || num > 100) return false;
        sprintf(buf,".%d",num);
        path += buf;

        struct stat sb;
        if (stat(path.c_str(), &sb) == -1) return false;
        struct tm* t = localtime(&sb.st_mtime);
        year = t->tm_year;
        month = t->tm_mon + 1;
        day = t->tm_mday;
        hour = t->tm_hour;
        min = t->tm_min;
        sec = t->tm_sec;
        msec = 0;
        /* タむトルの取埗 */
        FILE* savefile = fopen(path.c_str(), "rb");
        if (savefile == NULL) return false;
        char regname[1024];
        sprintf(regname, "KEY=%s\n", config->GetParaStr("#REGNAME"));
        fgets(buf,1000,savefile);
        if (strncmp(regname, buf, strlen(regname)) != 0) {
                fprintf(stderr,"invalid save file %s (registory name is not %s)\n",path.c_str(),regname);
                fclose(savefile);
                return false;
        }
        title="none";
        while(!feof(savefile)) {
                fgets(buf,1000,savefile);
                if (strncmp(buf,"Title=",6) == 0) {
                        if (buf[strlen(buf)-2] == 0x0a) buf[strlen(buf)-2] = 0;
                        if (strlen(buf) > 20) buf[20] = 0, buf[21] = 0;
                        title = kconv(buf+6);
                        break;
                }
        }
        fclose(savefile);
        return true;
}

void Scn2k::SaveRollback(void) {
fprintf(stderr,"Save rollback\n");
        new_rollback_save = "";
        string save_sys; SaveImpl(save_sys);
        string save_flag; flag.Save(save_flag);
        string save_text; text_exec.Save(save_text, true);
        string save_grp; grp_exec.Save(save_grp);
        new_rollback_save += save_sys;
        new_rollback_save += save_flag;
        new_rollback_save += save_text;
        new_rollback_save += save_grp;
}

void Scn2k::LoadRollback(Cmd& cmd) {
        if (rollback_save.empty()) return;
        new_rollback_save = "";
        string savedata = rollback_save.back();
        rollback_save.pop_back();
        LoadImpl(savedata.c_str());
        flag.Load(savedata.c_str());
        text_exec.Load(savedata.c_str());
        grp_exec.Load(savedata.c_str());

        /* 画面の回埩など */
        SetSkipMode(SKIP_NO);
        vector<CmdSimplified>::iterator it;
        cmd.clear();
        for (it = cmd_stack.begin(); it != cmd_stack.end(); it++) {
                cmd.read(*it);
                cmd.cmd_type = CMD_OTHER;
                flag.Exec(cmd);
                text_exec.Exec(cmd);
                grp_exec.Exec(cmd);
        }
        cmd.clear();
        return;
}

void Scn2k::Save(Cmd& cmd) {
        if (cmd.cmd_type == CMD_SAVEREQ) {
                if (menu == NULL) {
                        SetSkipMode(SKIP_IN_MENU); // テキストスキップ等はここで䞭断
                        menu = new Scn2kMenu(Scn2kMenu::MENU_SAVE, *this, flag, text_exec, system_version);
                        menu->InitPanel(event, parent);
                        menu->InitTitle(Scn2kSaveTitle(*this));
                        if (mouse_surface) menu_mouseshown = true;
                        else menu_mouseshown = false;
                        ShowCursor();
                        return;
                }
        }
        char buf[1024];
        string save;
        FILE* f = NULL;
        if (save_scn == 0) {
                fprintf(stderr,"Cannot decide save point\n");
                return; // セヌブ䜍眮が保存されおない
        }
        string path = MakeSaveFile();
        int file_number = 1;
        if (cmd.args.size() == 1)
                file_number = cmd.args[0].value + 1;
        if (file_number <= 0) {
                fprintf(stderr, "Cannot open save file %s\n",path.c_str());
                return;
        }
        sprintf(buf, ".%d",file_number);
        path += buf;

        /* セヌブファむル確認 */
        
        sprintf(buf, "KEY=%s\n", config->GetParaStr("#REGNAME")); save += buf;
        string save_sys; SaveImpl(save_sys);
        string save_flag; flag.Save(save_flag);
        string save_text; text_exec.Save(save_text, false);
        string save_grp; grp_exec.Save(save_grp);
        save += save_sys;
        save += save_flag;
        save += save_text;
        save += save_grp;
        vector<string>::iterator it;
        for (it=rollback_save.begin(); it != rollback_save.end(); it++) {
                save += "[Rollback Data]\n";
                save += *it;
                save += "[Rollback End]\n";
        }

        f = fopen(path.c_str(), "w");
        if (f == NULL) {
                fprintf(stderr,"Cannot open save file %s\n",path.c_str());
                return;
        }
        fwrite(save.c_str(), save.length(), 1, f);
        fclose(f);
        config->SetParam("#LASTSAVE", 1, file_number);
        cmd.clear();
}

void Scn2k::Load(Cmd& cmd) {
        if (cmd.cmd_type == CMD_LOADREQ) {
                if (menu == NULL) {
                        menu = new Scn2kMenu(Scn2kMenu::MENU_LOAD, *this, flag, text_exec, system_version);
                        menu->InitPanel(event, parent);
                        menu->InitTitle(Scn2kSaveTitle(*this));
                        SetSkipMode(SKIP_IN_MENU); // テキストスキップ等はここで䞭断
                        if (mouse_surface) menu_mouseshown = true;
                        else menu_mouseshown = false;
                        ShowCursor();
                        return;
                }
        }
        char buf[1024];
        string path = MakeSaveFile();
        int file_number = 1;
        if (cmd.args.size() == 1)
                file_number = cmd.args[0].value + 1;
        sprintf(buf, ".%d",file_number);
        path += buf;
        FILE* f = NULL;
        if (file_number > 0) f = fopen(path.c_str(), "r");
        if (f == NULL) {
                fprintf(stderr, "Cannot open save file %s\n",path.c_str());
                return;
        }
        
        fseek(f, 0, SEEK_END);
        int sz = ftell(f);
        fseek(f, 0, SEEK_SET);
        char* savedata = new char[sz+1];
        fread(savedata, sz, 1, f);
        savedata[sz] = 0;
        fclose(f);

        sprintf(buf, "KEY=%s\n", config->GetParaStr("#REGNAME"));
        if (strncmp(savedata, buf, strlen(buf)) != 0) {
                fprintf(stderr,"Invalid header in save file %s: it must be started with \"%s\"\n", path.c_str(), buf);
                delete[] savedata;
                return;
        }
        LoadImpl(savedata);
        flag.Load(savedata);
        text_exec.Load(savedata);
        grp_exec.Load(savedata);
        rollback_save.clear();
        new_rollback_save = "";
        char* rollback_data = savedata;
        while( (rollback_data = strstr(rollback_data,"[Rollback Data]\n")) != NULL) {
                rollback_data += strlen("[Rollback Data]\n");
                char* rollback_end = strstr(rollback_data, "[Rollback End]\n");
                if (rollback_end == NULL) rollback_end = rollback_data + strlen(rollback_data);
                string s(rollback_data, rollback_end);
                rollback_save.push_back(s);
                rollback_data = rollback_end;
        }

        /* 画面の回埩など */
        SetSkipMode(SKIP_NO);
        vector<CmdSimplified>::iterator it;
        for (it = cmd_stack.begin(); it != cmd_stack.end(); it++) {
                cmd.read(*it);
                cmd.cmd_type = CMD_OTHER;
                flag.Exec(cmd);
                text_exec.Exec(cmd);
                grp_exec.Exec(cmd);
        }
        cmd.clear();

        delete[] savedata;
}

void Scn2k::SaveImpl(string& save) {
        char buf[1024];

        /* save point */
        sprintf(buf, "\n[SCENARIO]\nScn=%d\nPoint=%d\n",save_scn, save_point); save += buf;
        sprintf(buf, "Title=%s\nMouseType=%d\nMouseShown=1\n",window_title.c_str(), mouse_type); save += buf;
        vector<StackItem>::iterator sit;
        for (sit=stack.begin(); sit!=stack.end(); sit++) {
                if (sit->scn_number == SCN_INFO && sit->scn_pt == SCN_INFO_MENU) break; // メニュヌに入る盎前たでのスタックを保存
                sprintf(buf, "Stack=%d,%d\n",sit->scn_number,sit->scn_pt);
                save += buf;
        }
        vector<string>::reverse_iterator ssit;
        for (ssit=stack_strbuffer.rbegin(); ssit != stack_strbuffer.rend(); ssit++) {
                sprintf(buf, "StackStr=%s\n",ssit->c_str());
                save += buf;
        }
        vector<CmdSimplified>::iterator cit;
        for (cit=cmd_stack.begin(); cit != cmd_stack.end(); cit++) {
                if (cit->type == CMD_SAVECMDGRP || cit->type == CMD_SAVECMDGRP_ONCE || cit->type == CMD_SAVECMDGRP_START) {
                        save += "CmdG=";
                } else {
                        save += "Cmd=";
                }
                string s; cit->Save(s);
                save += s;
                save += "\n";
        }
}

void Scn2k::LoadImpl(const char* save) {
        save_scn = 0;
        save_point = 0;
        window_title = "";
        stack.clear();
        cmd_stack.clear();
        cmd_stack_str = cmd_stack_str_orig;

        save = strstr(save, "\n[SCENARIO]\n");
        if (save == NULL) return;
        save += strlen("\n[SCENARIO]\n");
        while(save[0] != 0 && save[0] != '[') { // while next section start
                if (strncmp(save, "Scn=", 4) == 0) {
                        sscanf(save, "Scn=%d", &save_scn);
                } else if (strncmp(save, "Point=", 6) == 0) {
                        sscanf(save, "Point=%d", &save_point);
                } else if (strncmp(save, "Title=", 6) == 0) {
                        save += 6;
                        const char* s = strchr(save, '\n');
                        if (s == NULL) window_title = save;
                        else window_title.assign(save, s-save);
                        const char* config_name = config->GetParaStr("#CAPTION");
                        if (config_name == NULL) config_name = "";
                        string setname = kconv(string(config_name)+"  "+window_title);
                        parent.Root().SetWindowCaption(setname.c_str());
                } else if (strncmp(save, "MouseType=", 10) == 0) {
                        sscanf(save, "MouseType=%d", &mouse_type);
                } else if (strncmp(save, "MouseShown=", 11) == 0) {
                        int v;
                        sscanf(save, "MouseShown=%d", &v);
                        if (v) ShowCursor();
                        else HideCursor();
                } else if (strncmp(save, "Stack=", 6) == 0) {
                        int scn, pt;
                        sscanf(save, "Stack=%d,%d", &scn, &pt);
                        stack.push_back( StackItem(scn, pt));
                } else if (strncmp(save, "StackStr=", 9) == 0) {
                        save += 9;
                        const char* s = strchr(save, '\n');
                        if (s == NULL) stack_strbuffer.push_back("");
                        else stack_strbuffer.push_back(string(save, s-save));
                } else if (strncmp(save, "Cmd=", 4) == 0) {
                        CmdSimplified cmd;
                        cmd.Load(save+4, cmd_stack_str);
                        cmd_stack.push_back(cmd);
                } else if (strncmp(save, "CmdG=", 5) == 0) {
                        CmdSimplified cmd;
                        cmd.Load(save+5, cmd_stack_str);
                        cmd.type = CMD_SAVECMDGRP;
                        cmd_stack.push_back(cmd);
                }
                save = strchr(save, '\n');
                if (save != NULL) save++;
        }
        ChangeScript(save_scn, 0);
        script = script_start + save_point;
}

void Scn2k::SetSkipMode(SkipMode mode) {
        if (skip_mode != mode) {
                skip_mode = mode;
                text_exec.SetSkipMode(mode);
                grp_exec.SetSkipMode(mode);
        }
}

/***********************************************************
**
**      DLL Call Implementation
**
**/
static double* lb_ef_param = 0;
void DLLCall_LB_EF00_0(Cmd& cmd, Flags& flags) { // ゚フェクトの蚭定
        if (lb_ef_param == 0) {
                lb_ef_param = new double[sizeof(double) * 0x60 * 8];
        }
        int i,j;
        int param_top, param_size;
        if (cmd.args[2].value == 1) {
                param_top = 0;
                param_size = 0x20;
        } else {
                param_top = cmd.args[3].value;
                param_size = cmd.args[4].value;
                if (param_top < 0) param_top = 0;
                if (param_top > 0x20) param_top = 0x20;
                if (param_size+param_top > 0x20) param_size = 0x20 - param_top;
        }
        for (i=0; i<8; i++) {
                double* param = lb_ef_param + i*0x60 + param_top*3;
                for (j=0; j<param_size; j++) {  
                        *param++ = random() % 800 - 400;
                        *param++ = random() % 600 - 300;
                        *param++ = random() % 700 - 350;
                }
        }
        if (cmd.args[5].value != 1) return;

        static int random_dirtable[] = {
                0, 2, 1, 3, 0, 2, 1, 3,
                1, 3, 2, 0, 1, 3, 2, 0,
                0, 0, 0, 0, 3, 1, 2, 0,
                3, 1, 3, 1, 0, 2, 3, 1
        };

        int* dir = &random_dirtable[(random()&3) * 8];
        for (i=0; i<8; i++) {
                double* param = lb_ef_param + i*0x60;
                double x = random()%600 - 300;
                double y = random()%480-240;
                if (x < 0) x -= 80;
                else x += 80;
                if (y < 0) y -= 80;
                else y += 80;
                switch(*dir++) {
                case 0:
                        if (x < 0) x = -x;
                        if (y < 0) y = -y;
                        break;
                case 1:
                        if (x > 0) x = -x;
                        if (y < 0) y = -y;
                        break;
                case 2:
                        if (x < 0) x = -x;
                        if (y > 0) y = -y;
                        break;
                case 4:
                        if (x > 0) x = -x;
                        if (y > 0) y = -y;
                        break;
                }
                param[9] = x*1.2;
                param[10] = y*1.2;
                param[11] *= 1.2;
                param[12] *= -0.08;
                param[13] *= -0.08;
                param[14] *= -0.08;
                param[15] = -param[9];
                param[16] = -param[10];
                param[17] = -param[11];
        }
        return;
}

void DLLCall_LB_EF00_1(Cmd& cmd, Flags& flags) { // 蚈算を行う
        if (lb_ef_param == 0) {
                fprintf(stderr,"Warning : DLLCall_LB_EF00_1 : Script error : effect calculation was called before setting\n");
                return;
        }
        int index = cmd.args[2].value;
        int v5_1154 = flags.Get(5, 1154+index);
        int j = ((v5_1154) & 0x1f) + index * 0x20;
        int k = ((v5_1154+1) & 0x1f) + index * 0x20;
        int l = ((v5_1154+2) & 0x1f) + index * 0x20;
        int m = ((v5_1154+3) & 0x1f) + index * 0x20;
        j *= 3;
        k *= 3;
        l *= 3;
        m *= 3;

        // 0 < x < 1
        // va - vd は 0-1 の範囲で察称性を持぀次関数
        double x = double(flags.Get(5, 1162 + index)) * 0.001;
        double va = (x * x * x)/6;
        double vb = (-x*x*x + 3*x*x - 3*x + 1) / 6;
        double vc = (3*x*x*x - 6*x*x + 4) / 6;
        double vd = (-3*x*x*x+3*x*x+3*x+1) / 6;

        double r1 = va * lb_ef_param[m+3] + vd * lb_ef_param[l+3] + vc * lb_ef_param[k+3] + vb * lb_ef_param[j+3];
        double r2 = va * lb_ef_param[m+2] + vd * lb_ef_param[l+2] + vc * lb_ef_param[k+2] + vb * lb_ef_param[j+2];
        double r3 = va * lb_ef_param[m+1] + vd * lb_ef_param[l+1] + vc * lb_ef_param[k+1] + vb * lb_ef_param[j+1];
        if (r1 != 400) {
                r2 = r2 * 800 / (400-r1);
                r3 = r3 * 700 / (400-r1);
        }
        VarInfo var;
        var.type = 5;
        var.number = 1151;
        flags.Set(var, int(r2));
        var.number = 1152;
        flags.Set(var, int(r3));
        var.number = 1153;
        flags.Set(var, int(r1));
        return;
}


void DllCall_LB(Cmd& cmd, Flags& flags) {       // リトルバスタヌズの EF00.dll を゚ミュレヌト
        if (cmd.args[0].value == 1) {
                // "EF00.dll"
                if (cmd.args[1].value == 0) { // ゚フェクトの蚭定
                        DLLCall_LB_EF00_0(cmd, flags);
                } else if (cmd.args[1].value == 1) { // 蚈算を行う
                        DLLCall_LB_EF00_1(cmd, flags);
                }
        } else {
                fprintf(stderr,"Unsupported DLL call for DLL<%d>\n",cmd.args[0].value);
        }
        return;
}

/**********************************************************
**
**      MenuImpl
**
*/

#include "window/widget.h"
#include "window/menuitem.h"

void DSurfaceFill(Surface* src, const Rect& rect, int r, int g, int b, int a = 0xff);

struct Scn2kMenuImpl {
        Scn2kMenu& interface;
        MenuItem* menu;
        Event::Container* pevent;
        PicContainer* pparent;

        virtual void InitPanel(Event::Container& event, PicContainer& parent) = 0;
        virtual void InitTitle(const SaveTitle&) = 0;
        virtual void Cancel(void) = 0;
        virtual void Exec(Cmd& cmd) = 0;
        Scn2kMenuImpl(Scn2kMenu& _interface) : interface(_interface) {
                menu = NULL;
                pevent = NULL;
                pparent = NULL;
        }
        virtual ~Scn2kMenuImpl() {
                if (menu) delete menu;
                menu = NULL;
        }
};

struct LoadMenu : Scn2kMenuImpl {
        vector<string> title;
        vector<int> title_valid;
        RadioButton* btn_local;
        RadioButton* btn_page;
        RadioButton* btn_set;
        Scale* btn_scale;
        Dialog* awk_dialog;
        int btn_page_val, btn_set_val, btn_local_val, select_page, select_value;
        LoadMenu(Scn2kMenu& _interface);
        ~LoadMenu();
        void InitPanel(Event::Container& event, PicContainer& parent);
        void InitTitle(const SaveTitle&);
        void Cancel(void);
        void Exec(Cmd& cmd);
        static void ChangeBtnPage(void* pointer, MenuItem* widget);
        static void ChangeBtnLocal(void* pointer, MenuItem* widget);
        static void ChangeBtnScale(void* pointer, Scale* widget);
        static void ChangeBtnSet(void* pointer, MenuItem* widget);
        static void ChangeDialog(void* pointer, Dialog* widget);
        bool in_setpage;
        void SetPage(int new_page);
        void SetValue(int new_value);
        void PressOk(void);
};
LoadMenu::LoadMenu(Scn2kMenu& _interface) : Scn2kMenuImpl(_interface) {
        btn_local = NULL;
        btn_scale = NULL;
        btn_set = NULL;
        btn_page_val = 0;
        btn_set_val = -1;
        btn_local_val = -1;
        awk_dialog = NULL;
        in_setpage = false;
        select_page = 0;
        select_value = -1;
}
LoadMenu::~LoadMenu() {
        if (awk_dialog) delete awk_dialog;
}
void LoadMenu::InitPanel(Event::Container& event, PicContainer& parent) {
        pevent = &event;
        pparent = &parent;

        if (menu) delete menu;
        menu = NULL;
        menu = new MenuItem(&parent, Rect(80,30,560, 450), 1, 3, 0);
        Surface* surface = parent.Root().NewSurface(menu->Pic()->Width(), menu->Pic()->Height(), ALPHA_MASK);
        if (interface.type == Scn2kMenu::MENU_LOAD) {
                menu->SetLabelTop(new Label(menu->PicNode(), Rect(0,0), true, "Load", 26), Rect(0,0,10,0), Rect(0,0,0,20));
                DSurfaceFill(surface, Rect(*surface), 0, 0, 0x80, 0x80);
        } else {
                menu->SetLabelTop(new Label(menu->PicNode(), Rect(0,0), true, "Save", 26), Rect(0,0,10,0), Rect(0,0,0,20));
                DSurfaceFill(surface, Rect(*surface), 0, 0x80, 0, 0x80);
        }
        menu->Pic()->SetSurface(surface, 0, 0);
        menu->Pic()->SetSurfaceFreeFlag();

        btn_page = new RadioButton(event, menu->PicNode(), Rect(0, 0, 480, 40), 10, 1, &btn_page_val,
                Rect(0,0,0,0), 18, Color(0,0,0),Color(0xff,0,0),Color(0xff,0x80,0));
        btn_page->set_func = &ChangeBtnPage;
        btn_page->set_pointer = this;
        btn_page->SetLabelLeft(new Label(btn_page->PicNode(), Rect(0,0), true, "Page", 18), Rect(0, 0, 180, 0), Rect(0,0));
        btn_page->Add(" 1 ");
        btn_page->Add(" 2 ");
        btn_page->Add(" 3 ");
        btn_page->Add(" 4 ");
        btn_page->Add(" 5 ");
        btn_page->Add(" 6 ");
        btn_page->Add(" 7 ");
        btn_page->Add(" 8 ");
        btn_page->Add(" 9 ");
        btn_page->Add(" 10 ");
        btn_page->pack();
/*
        surface = parent.Root().NewSurface(btn_page->Pic()->Width(), btn_page->Pic()->Height(), ALPHA_MASK);
        DSurfaceFill(surface, Rect(*surface), 0xff, 0, 0, 0x80);
        btn_page->Pic()->SetSurface(surface, 0, 0);
        btn_page->Pic()->SetSurfaceFreeFlag();
*/
        menu->item[0] = btn_page;
        btn_set = new RadioButton(event, menu->PicNode(), Rect(0, 0, 480, 40), 2, 1, &btn_set_val,
                Rect(0,0,0,0), 18, Color(0,0,0),Color(0xff,0,0),Color(0xff,0x80,0));
        btn_set->set_func = &ChangeBtnSet;
        btn_set->set_pointer = this;
        btn_set->SetLabelLeft(new Label(btn_set->PicNode(), Rect(0,0)), Rect(0,0,200,0), Rect(0,0));
        if (interface.type == Scn2kMenu::MENU_LOAD) {
                btn_set->Add(" Load ");
        } else {
                btn_set->Add(" Save ");
        }
        btn_set->Add(" Cancel ");
        btn_set->pack();
/*
        surface = parent.Root().NewSurface(btn_set->Pic()->Width(), btn_set->Pic()->Height(), ALPHA_MASK);
        DSurfaceFill(surface, Rect(*surface), 0, 0, 0xff, 0x80);
        btn_set->Pic()->SetSurface(surface, 0, 0);
        btn_set->Pic()->SetSurfaceFreeFlag();
*/
        menu->item[2] = btn_set;
        // void btn_set_press(void* pointer, MenuItem* widget);
        // btn_set->set_func = btn_set_press;
        // btn_set->set_pointer = this;
        btn_local = new RadioButton(*pevent, menu->PicNode(), Rect(0, 0, 480, 300), 1, 100, &btn_local_val,
                Rect(0,0,300,30), 18, Color(0,0,0),Color(0xff,0,0),Color(0xff,0x80,0));
        btn_local->set_func = &ChangeBtnLocal;
        btn_local->set_pointer = this;
/*
        surface = pparent->Root().NewSurface(btn_local->Pic()->Width(), btn_local->Pic()->Height(), ALPHA_MASK);
        DSurfaceFill(surface, Rect(*surface), 0, 0xff, 0, 0x80);
        btn_local->Pic()->SetSurface(surface, 0, 0);
        btn_local->Pic()->SetSurfaceFreeFlag();
*/
        menu->item[1] = btn_local;
        int i;
        for (i=0; i<12; i++)
                btn_local->Add("",false);
        btn_local->pack();
        btn_local->show_all();
        menu->pack();

        PicBase* local_pic = btn_local->Pic();
        int local_x2 = local_pic->PosX() + local_pic->Width();
        int local_y2 = local_pic->PosY() + local_pic->Height();
        btn_scale = new Scale(*pevent, menu->PicNode(), Rect(local_x2-16, local_pic->PosY(), local_x2, local_y2), Color(0xff, 0x80, 0), true);
        btn_scale->SetRange(0, 900);
        btn_scale->InitCursor(1024/10);
        btn_scale->SetValue(0);
        btn_scale->change_func = &ChangeBtnScale;
        btn_scale->change_pointer = this;

        menu->PicNode()->show_all();
}

void LoadMenu::InitTitle(const SaveTitle& title_op) {
        title.clear();
        int i;
        for (i=1; i<=100; i++) {
                char buf[100];
                sprintf(buf,"%2d:",i);
                string t = title_op(i);
                string s = string(buf) + t;
                if (t.length() == 0) {
                        string s = string(buf) + "--------";
                        title_valid.push_back(0);
                } else {
                        title_valid.push_back(1);
                }
                title.push_back(s);
        }
        if (btn_local==0) return;
        for (i=0; i<10; i++) {
                TextButton* button = dynamic_cast<TextButton*>(btn_local->item[i]);
                if (button) button->SetText(title[i].c_str());
        }
}

void LoadMenu::SetPage(int new_page) {
        if (new_page < 0) new_page = 0;
        if (new_page > 900) new_page = 900;
        if (select_page == new_page) return;
        if (in_setpage) return;
        in_setpage = true;
        
        int prev_page = select_page / 10;
        int cur_page = new_page / 10;
        int prev_point = select_page%10;
        int new_point = new_page%10;
        select_page = new_page;
        if (prev_page != cur_page) {
                int i;
                for (i=0; i<12; i++) {
                        TextButton* button = dynamic_cast<TextButton*>(btn_local->item[i]);
                        if (button) {
                                if (cur_page+i < title.size()) button->SetText(title[cur_page+i].c_str());
                                else button->SetText("----");
                        }
                }
                // ボタンの内容を倉曎する
                if (select_value < cur_page || select_value > cur_page+12)
                        btn_local->SetValue(-1);
                else
                        btn_local->SetValue(select_value - cur_page);
        }
        if (prev_point != new_point) {
                int i;
                for (i=0; i<12; i++) {
                        int old_x = btn_local->item[i]->Pic()->PosX();
                        btn_local->item[i]->Pic()->Move(old_x, i*30-new_point*3);
                }
        }
        if (btn_page != NULL) {
                if (select_page%100 == 0) btn_page->SetValue(select_page/100);
                else btn_page->SetValue(-1);
        }
        if (btn_scale != NULL) {
                btn_scale->SetValue(select_page);
        }
        in_setpage = false;
}

void LoadMenu::SetValue(int new_value) {
        if (in_setpage) return;
        in_setpage = true;

        if (new_value < 0 || new_value > title.size() ||
            (interface.type == Scn2kMenu::MENU_LOAD && title_valid[new_value] == 0) ) { // 無効な遞択肢
                if (select_value < select_page/10 || select_value > select_page/10+12)
                        btn_local->SetValue(-1);
                else
                        btn_local->SetValue(select_value-select_page/10);
        } else { // 遞択肢を倉曎する
                if (select_value == new_value) {
                        PressOk(); // ダブルクリック
                } else {
                        select_value = new_value;
                        if (interface.type == Scn2kMenu::MENU_SAVE && title_valid[select_value] == 0) {
                                PressOk(); // 新しいセヌブデヌタなら無条件に遞択
                        }
                }
        }

        in_setpage = false;
}

void LoadMenu::PressOk(void) {
        if (select_value == -1) {
                btn_set->SetValue(-1); // なにもしない
                return;
        }
        menu->deactivate();
        if (interface.type == Scn2kMenu::MENU_LOAD) {
                interface.cmd.cmd_type = CMD_LOAD;
                interface.cmd.args.push_back(VarInfo(select_value));
                awk_dialog = new Dialog(*pevent, pparent, "ファむルをロヌドしたすか", true);
                awk_dialog->set_pointer = this;
                awk_dialog->set_func = ChangeDialog;
        } else {// MENU_SAVE
                interface.cmd.cmd_type = CMD_SAVE;
                interface.cmd.args.push_back(VarInfo(select_value));
                if (title_valid[select_value] == 0) { // 新しいセヌブデヌタ
                        interface.status = Scn2kMenu::MenuStatus(Scn2kMenu::MENU_CMD | Scn2kMenu::MENU_DELETE);
                } else { // セヌブデヌタを䞊曞き確認
                        awk_dialog = new Dialog(*pevent, pparent, "デヌタを䞊曞きしたすか", true);
                        awk_dialog->set_pointer = this;
                        awk_dialog->set_func = ChangeDialog;
                }
        }
}

void LoadMenu::Cancel(void) {
        if (awk_dialog != NULL) { // ダむアログのキャンセル
                awk_dialog->status = Dialog::CANCEL;
                ChangeDialog(this, awk_dialog);
        } else { // 䞀般キャンセル
                btn_set->SetValue(1);
        }
}

void LoadMenu::Exec(Cmd& cmd) {
}

void LoadMenu::ChangeBtnPage(void* pointer, MenuItem* widget) {
        LoadMenu* instance = (LoadMenu*)pointer;
        if (instance->btn_page_val == -1) return;
        instance->SetPage(instance->btn_page_val*100);
}

void LoadMenu::ChangeBtnScale(void* pointer, Scale* from) {
        LoadMenu* instance = (LoadMenu*)pointer;
        int value = from->GetValue();
        instance->SetPage(value);
}

void LoadMenu::ChangeBtnSet(void* pointer, MenuItem* widget) {
        LoadMenu* instance = (LoadMenu*)pointer;
        if (instance->btn_set_val == 1) { // cancel
                instance->interface.status = Scn2kMenu::MENU_DELETE;
                return;
        } else if (instance->btn_set_val == 0) { // OK
                instance->PressOk();
        }
}

void LoadMenu::ChangeDialog(void* pointer, Dialog* widget) {
        LoadMenu* instance = (LoadMenu*)pointer;
        if (widget->status == Dialog::CANCEL) {
                // ダむアログ消去、OK ボタン埩垰
                delete instance->awk_dialog;
                instance->awk_dialog = NULL;
                instance->menu->activate();
                instance->btn_set->SetValue(-1);
                return;
        } else if (widget->status == Dialog::OK) {
                instance->interface.status = Scn2kMenu::MenuStatus(Scn2kMenu::MENU_CMD | Scn2kMenu::MENU_DELETE);
                return;
        }
}

void LoadMenu::ChangeBtnLocal(void* pointer, MenuItem* widget) {
        LoadMenu* instance = (LoadMenu*)pointer;
        if (instance->btn_local_val == -1) return;
        instance->SetValue( (instance->select_page/10) + instance->btn_local_val);
}

struct BacklogMenu : Scn2kMenuImpl {
        Scn2k& scn_impl;
        Text& text_exec;
        bool backlog_update;
        int backlog_cnt;
        BacklogMenu(Scn2kMenu& _interface, Scn2k& scn_impl, Text& text_exec);
        ~BacklogMenu();
        void InitPanel(Event::Container& event, PicContainer& parent);
        void InitTitle(const SaveTitle&);
        void Cancel(void);
        void Exec(Cmd& cmd);
};

BacklogMenu::BacklogMenu(Scn2kMenu& _interface, Scn2k& _scn, Text& parent_text_exec) : Scn2kMenuImpl(_interface), scn_impl(_scn), text_exec(parent_text_exec) {
        backlog_cnt = -1;
        backlog_update = false;
}

BacklogMenu::~BacklogMenu() {
}

void BacklogMenu::InitPanel(Event::Container& event, PicContainer& parent) {
        pevent = &event;
}

void BacklogMenu::InitTitle(const SaveTitle& title_op) {
}

void BacklogMenu::Cancel(void) {
        interface.status = Scn2kMenu::MenuStatus(Scn2kMenu::MENU_DELETE);
}

void BacklogMenu::Exec(Cmd& cmd) {
        int command_direction = 0; // forward
        if (cmd.cmd_type == CMD_NOP) text_exec.Wait(0xffffffffUL, cmd);
        if (cmd.cmd_type == CMD_BACKLOGREQ || pevent->presscount(MOUSE_UP)) {
                if (cmd.cmd_type == CMD_BACKLOGREQ) cmd.clear();
                backlog_cnt++;
                backlog_update = false;
                command_direction = 1;
        }
        if (cmd.cmd_type == CMD_BACKLOGREQ_FWD || pevent->presscount(MOUSE_DOWN)) {
                if (cmd.cmd_type == CMD_BACKLOGREQ_FWD) cmd.clear();
                backlog_cnt--;
                backlog_update = false;
                if (backlog_cnt == -2 || (
                   (backlog_cnt == -1 && text_exec.backlog_item.scn == -1 && text_exec.backlog_item.pos == -1)) ){
                        Cancel();
                        return;
                }
                command_direction = -1;
        }
        if (cmd.cmd_type != CMD_NOP) return;
        if (backlog_update) return;
        // backlog を最新の状態に曎新
        cmd.clear();
        BacklogItem item;

retry:
        if (backlog_cnt < -1) backlog_cnt = -1;
        if (backlog_cnt >= int(text_exec.backlog.size())) backlog_cnt = text_exec.backlog.size() - 1;

        if (backlog_cnt == -1) {
                if (text_exec.backlog_item.scn == -1 && text_exec.backlog_item.pos == -1) {
                        if (text_exec.backlog.size() == 0 || command_direction < 0) {
                                Cancel();
                                return;
                        }
                        item = text_exec.backlog.back();
                        backlog_cnt = 0;
                } else {
                        // item = text_exec.backlog.back();
                        item = text_exec.backlog_item;
                }
        } else {
                item = text_exec.backlog[text_exec.backlog.size()-1-backlog_cnt];
        }
        if (item.scn ==  BacklogItem::SaveSelect) { // select marker ; skip this item
                if (command_direction == 0) command_direction = 1;
                backlog_cnt += command_direction;
                goto retry;
        }
        if (item.scn == 0 && item.pos == -1) ; // not read cmd
        else {
                scn_impl.ReadCmdAt(cmd, item.scn, item.pos);
        }
        text_exec.DrawBacklog(item, cmd);
        cmd.clear();
        backlog_update = true;
}

/*******************************************************************************
**
**
*/

Scn2kMenu::Scn2kMenu(MenuType _type, Scn2k& scn_impl, const Flags& flags, Text& text_exec, int system_version) :
        cmd(flags, system_version), type(_type) {
        pimpl = NULL;
        status = MENU_CONTINUE;
        switch(type) {
        case MENU_LOAD: pimpl = new LoadMenu(*this); break;
        case MENU_SAVE: pimpl = new LoadMenu(*this); break;
        case MENU_BACKLOG: pimpl = new BacklogMenu(*this, scn_impl, text_exec); break;
        }
}

Scn2kMenu::~Scn2kMenu() {
        if (pimpl) delete pimpl;
        pimpl = NULL;
}

void Scn2kMenu::InitPanel(Event::Container& event, PicContainer& parent) {
        if (pimpl != NULL) pimpl->InitPanel(event, parent);
}

void Scn2kMenu::InitTitle(const SaveTitle& t) {
        if (pimpl != NULL) pimpl->InitTitle(t);
}

void Scn2kMenu::Cancel(void) {
        if (pimpl) pimpl->Cancel();
}

void Scn2kMenu::Exec(Cmd& ret_cmd) {
        if (pimpl == NULL) return;
        pimpl->Exec(ret_cmd);
        if (pimpl->pevent->presscount(MOUSE_RIGHT)) {
                Cancel();
        }
        if (status & MENU_CMD && cmd.cmd_type != CMD_NOP) {
                status = Scn2kMenu::MenuStatus(status & (~Scn2kMenu::MENU_CMD) );
                CmdSimplified tmp_cmd;
                char cmd_str[32768];
                char* tmp_cmd_str = cmd_str;
                cmd.write(tmp_cmd, tmp_cmd_str);
                ret_cmd.read(tmp_cmd);
        }
}

void Scn2kMenu::activate(void) {
        if (pimpl != NULL && pimpl->menu) pimpl->menu->activate();
}

void Scn2kMenu::deactivate(void) {
        if (pimpl != NULL && pimpl->menu) pimpl->menu->deactivate();
}