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loadgame.cpp

#include "specs.hpp"
#include "jwindow.hpp"
#include "id.hpp"
#include "input.hpp"
#include "fonts.hpp"
#include "lisp.hpp"
#include "dprint.hpp"
#include "cache.hpp"
#include "gui.hpp"
#include "id.hpp"
#include "demo.hpp"
#include "game.hpp"
#include <string.h>

extern void *save_order;         // load from "saveordr.lsp", contains a list ordering the save games

extern JCFont *console_font;

extern window_manager *eh;
extern char *symbol_str(char *name);

#define MAX_SAVE_GAMES 5
int last_save_game_number=0;

int save_buts[MAX_SAVE_GAMES*3];


void load_number_icons()
{
  char name[100];
  int i;
  for (i=0;i<MAX_SAVE_GAMES*3;i++)
  {
    sprintf(name,"nums%04d.pcx",i+1);
    save_buts[i]=cash.reg("art/icons.spe",name,SPEC_IMAGE,1); 
  }
}


void last_savegame_name(char *buf)
{
      printf( "last_savegame_name()\n" );
      sprintf(buf,"%ssave%04d.spe",get_save_filename_prefix(), (last_save_game_number+MAX_SAVE_GAMES-1)%MAX_SAVE_GAMES+1);
}

jwindow *create_num_window(int mx, int total_saved, image **thumb_nails)
{
  ico_button *buts[MAX_SAVE_GAMES];
  int y=WINDOW_FRAME_TOP,i;
  int ih=cash.img(save_buts[0])->height();
  int x=0;
  for (i=0;i<total_saved;i++,y+=ih)
  {
    if (thumb_nails) { while (!thumb_nails[x]) x++; }
    buts[i]=new ico_button(WINDOW_FRAME_LEFT,y,ID_LOAD_GAME_NUMBER+x,
                     save_buts[x*3+0],save_buts[x*3+0],save_buts[x*3+1],save_buts[x*3+2],NULL);
    buts[i]->set_act_id(ID_LOAD_GAME_PREVIEW+x);
    x++;
  }

  for (i=0;i<total_saved-1;i++)
    buts[i]->next=buts[i+1];

  return eh->new_window(mx,yres/2-(WINDOW_FRAME_TOP+ih*5)/2,-1,-1,buts[0]);
}

FILE *open_FILE(char *filename, char *mode);

int get_save_spot()
{
  int i=MAX_SAVE_GAMES,last_free=0;
  for (;i>0;)
  {
    char name[20];
    sprintf(name,"%ssave%04d.spe", get_save_filename_prefix(),i);
    FILE *fp=open_FILE(name,"rb");  
    if (fp)
      i=0;
    else { last_free=i; i--; }
    fclose(fp);
  }

  if (last_free) return last_free;    // if there are any slots not created yet...
        
  int w=cash.img(save_buts[0])->width();
  int mx=last_demo_mx-w/2;
  if((unsigned)(mx + w + 10) > xres) mx = xres - w - 10;
  if( mx < 0) mx = 0;

  jwindow *l_win=create_num_window(mx,MAX_SAVE_GAMES,NULL);
  event ev;
  int got_level=0;
  int quit=0;
  do
  {
    eh->flush_screen();
    eh->get_event(ev);
    if (ev.type==EV_MESSAGE && ev.message.id>=ID_LOAD_GAME_NUMBER && ev.message.id<ID_LOAD_GAME_PREVIEW)
      got_level=ev.message.id-ID_LOAD_GAME_NUMBER+1;


    if (ev.type==EV_CLOSE_WINDOW && ev.window==l_win)
      quit=1;
  } while (!got_level && !quit);

  eh->close_window(l_win);
  the_game->reset_keymap();
  return got_level;
}

void get_savegame_name(char *buf)  // buf should be at least 50 bytes
{
      sprintf(buf,"save%04d.spe",(last_save_game_number++)%MAX_SAVE_GAMES+1);
/*  FILE *fp=open_FILE("lastsave.lsp","wb");
  if (fp)
  {
    fprintf(fp,"(setq last_save_game %d)\n",last_save_game_number%MAX_SAVE_GAMES);
    fclose(fp);
  } else dprintf("Warning unable to open lastsave.lsp for writing\n"); */
}

int show_load_icon() 
{
      int i;
      for( i = 0; i < MAX_SAVE_GAMES; i++ )
      {
            char nm[255];
            sprintf( nm, "%ssave%04d.spe", get_save_filename_prefix(), i + 1 );
            bFILE *fp = open_file( nm, "rb" );
            if( fp->open_failure() )
            {
                  delete fp;
            }
            else
            {
                  delete fp;
                  return 1;
            }
      }
      return 0;
}

int load_game(int show_all, char *title)   // return 0 if the player escapes, else return the number of the game to load
{
      int total_saved=0;
      image *thumb_nails[MAX_SAVE_GAMES];
      int start_num=0;
      int max_w=160,max_h=100;
      memset(thumb_nails,0,sizeof(thumb_nails));

      image *first=NULL;

      for (start_num=0;start_num<MAX_SAVE_GAMES;start_num++)
      {
            char name[255];
            int fail=0;

            sprintf(name,"%ssave%04d.spe", get_save_filename_prefix(), start_num+1);
            bFILE *fp=open_file(name,"rb");
            if (fp->open_failure())
            {
                  fail=1;
            }
            else
            {
                  spec_directory sd(fp);
                  spec_entry *se=sd.find("thumb nail");
                  if (se && se->type==SPEC_IMAGE)
                  {
                        thumb_nails[start_num]=new image(se,fp);
                        if (thumb_nails[start_num]->width()>max_w) max_w=thumb_nails[start_num]->width();
                        if (thumb_nails[start_num]->height()>max_h) max_h=thumb_nails[start_num]->height();
                        if (!first) first=thumb_nails[start_num];
                        total_saved++;
                  }
                  else
                        fail=1;
            }
            if (fail && show_all)
            {
                  thumb_nails[start_num]=new image(160,100);      
                  thumb_nails[start_num]->clear();
                  console_font->put_string(thumb_nails[start_num],0,0,symbol_str("no_saved"));
                  total_saved++;
                  if (!first) first=thumb_nails[start_num];
            }
            delete fp;
      }

      if (!total_saved) return 0; 
      if (total_saved>MAX_SAVE_GAMES)
            total_saved=MAX_SAVE_GAMES;

      int i,ih=cash.img(save_buts[0])->height();
/*  ico_button *buts[MAX_SAVE_GAMES];
  int y=WINDOW_FRAME_TOP;


  for (i=0;i<total_saved;i++,y+=ih)
  {
    buts[i]=new ico_button(WINDOW_FRAME_LEFT,y,ID_LOAD_GAME_NUMBER+i,                
                     save_buts[i*3+1],save_buts[i*3+1],save_buts[i*3+0],save_buts[i*3+2],NULL);
    buts[i]->set_act_id(ID_LOAD_GAME_PREVIEW+i);
  }

  for (i=0;i<total_saved-1;i++)
    buts[i]->next=buts[i+1];
*/


      jwindow *l_win=create_num_window(0,total_saved,thumb_nails);
      jwindow *preview=eh->new_window(l_win->x+l_win->l+5,l_win->y,max_w,max_h,NULL,title);

      first->put_image(preview->screen,preview->x1(),preview->y1());

      event ev;
      int got_level=0;
      int quit=0;
      do
      {
            eh->flush_screen();
            eh->get_event(ev);
            if (ev.type==EV_MESSAGE && ev.message.id>=ID_LOAD_GAME_NUMBER && ev.message.id<ID_LOAD_GAME_PREVIEW)
                  got_level=ev.message.id-ID_LOAD_GAME_NUMBER+1;

            if (ev.type==EV_MESSAGE && ev.message.id>=ID_LOAD_GAME_PREVIEW && ev.message.id<ID_LOAD_PLAYER_GAME)
            {
                  int draw_num=ev.message.id-ID_LOAD_GAME_PREVIEW;
                  preview->clear();
                  thumb_nails[draw_num]->put_image(preview->screen,preview->x1(),preview->y1());
            }

            if ((ev.type==EV_CLOSE_WINDOW) || (ev.type==EV_KEY && ev.key==JK_ESC))
                  quit=1;
      } while (!got_level && !quit);

      eh->close_window(l_win);
      eh->close_window(preview);

      for (i=0;i<total_saved;i++)
            if (thumb_nails[i])
                  delete thumb_nails[i];

      return got_level;
}

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