Free Hero Mesh

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Overview
Comment:Implement importing levels
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 04cceae6dcf4ae62bdd3bd6738bbfda9e0b2f0a5
User & Date: user on 2021-03-11 05:38:29
Other Links: manifest | tags
Context
2021-03-11
07:38
Implement the "chain" instruction check-in: 83764e9bf8 user: user tags: trunk
05:38
Implement importing levels check-in: 04cceae6dc user: user tags: trunk
2021-03-09
23:15
Implement the %C substitution, and allow %s substitutions to display message names as well. check-in: 5cdca70402 user: user tags: trunk
Changes

Modified bindings.doc from [d258a8579c] to [ee76aafc91].

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  Add an object with the current MRU values to that location, even if
  there is already another object of the same class at that location.

'ex' <command>
  Export a level (given the operating system command to receive the
  exported data). See export.doc for details.





'lc' <number>
  Set the level code number. This is a 16-bit number which can be used in
  the class codes of your puzzle set for whatever purpose you wish; the
  game engine does not use this value itself.

'lv' <number>
  Set the level version number. This number is used to detect the validity







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  Add an object with the current MRU values to that location, even if
  there is already another object of the same class at that location.

'ex' <command>
  Export a level (given the operating system command to receive the
  exported data). See export.doc for details.

'im' <command>
  Import a level (given the operating system command to produce the data
  to be imported). See export.doc for details.

'lc' <number>
  Set the level code number. This is a 16-bit number which can be used in
  the class codes of your puzzle set for whatever purpose you wish; the
  game engine does not use this value itself.

'lv' <number>
  Set the level version number. This number is used to detect the validity

Modified default.heromeshrc from [ed90c9d16e] to [75fb89c738].

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?.editKey.R: select 're',substr(:resize,1,instr(:resize,'x')-1),substr(:resize,instr(:resize,'x')+1) where length(:resize);
?.editKey.ctrl.X: select 're',pfwidth(),pfheight();
?.editKey.ctrl.P: ^P
?.editKey.ctrl.Q: ^Q
?.editKey.ctrl.S: ^S
?.editKey.space: ^c
?.editKey.return: ^e

?.editKey.f2: select 'ex',:Export_Level;
?.editClick.left: ^a
?.editClick.alt.left: ^u
?.editClick.right: delete from objects where x=$X and y=$Y and up is null;

! Global key bindings
?.?.kp_minus: select 'go',-(level()-1);







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?.editKey.R: select 're',substr(:resize,1,instr(:resize,'x')-1),substr(:resize,instr(:resize,'x')+1) where length(:resize);
?.editKey.ctrl.X: select 're',pfwidth(),pfheight();
?.editKey.ctrl.P: ^P
?.editKey.ctrl.Q: ^Q
?.editKey.ctrl.S: ^S
?.editKey.space: ^c
?.editKey.return: ^e
?.editKey.f1: select 'im',:Import_Level;
?.editKey.f2: select 'ex',:Export_Level;
?.editClick.left: ^a
?.editClick.alt.left: ^u
?.editClick.right: delete from objects where x=$X and y=$Y and up is null;

! Global key bindings
?.?.kp_minus: select 'go',-(level()-1);

Modified edit.c from [d19625c559] to [2aa028c0b1].

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}

static void export_level(const char*cmd) {
  int i;
  Uint32 n;
  Object*o;
  FILE*fp;
  if(!cmd) return;
  fp=popen(cmd,"w");
  if(!fp) {
    screen_message("Cannot open pipe");
    return;
  }
  fprintf(fp,"; Free Hero Mesh exported level ID=%d ORD=%d\n",level_id,level_ord);
  fprint_esc(fp,'@',level_title);







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}

static void export_level(const char*cmd) {
  int i;
  Uint32 n;
  Object*o;
  FILE*fp;
  if(!cmd || !*cmd) return;
  fp=popen(cmd,"w");
  if(!fp) {
    screen_message("Cannot open pipe");
    return;
  }
  fprintf(fp,"; Free Hero Mesh exported level ID=%d ORD=%d\n",level_id,level_ord);
  fprint_esc(fp,'@',level_title);
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      fprintf(fp," %d\n",o->dir);
      n=o->up;
    }
  }
  for(i=0;i<nlevelstrings;i++) fprint_esc(fp,'%',levelstrings[i]);
  pclose(fp);
}





















































































































































































































static int editor_command(int prev,int cmd,int number,int argc,sqlite3_stmt*args,void*aux) {
  int x,y;
  switch(cmd) {
    case '^a': // Add object (no duplicates)
      if(prev) return prev;
      add_object_at(number&63?:64,number/64?:64,mru+curmru,1);







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      fprintf(fp," %d\n",o->dir);
      n=o->up;
    }
  }
  for(i=0;i<nlevelstrings;i++) fprint_esc(fp,'%',levelstrings[i]);
  pclose(fp);
}

static char*import_numbers(char*p,int*x,int*y) {
  if(!p) return 0;
  while(*p==' ' || *p=='\t') p++;
  if(*p<'0' || *p>'9') return 0;
  *x=strtol(p,&p,10);
  if(*p && *p!=' ' && *p!='\t') return 0;
  while(*p==' ' || *p=='\t') p++;
  if(!y) return p;
  if(*p<'0' || *p>'9') return 0;
  *y=strtol(p,&p,10);
  if(*p && *p!=' ' && *p!='\t') return 0;
  while(*p==' ' || *p=='\t') p++;
  return p;
}

static char*import_value(char*p,Value*v) {
  int i;
  int n=strcspn(p," \t");
  if(!p) return 0;
  while(*p==' ' || *p=='\t') p++;
  if(*p>='0' && *p<='9') {
    v->t=TY_NUMBER;
    v->u=strtol(p,&p,10)&0xFFFF;
  } else if(*p=='$') {
    v->t=TY_CLASS;
    p++; n--;
    for(i=1;i<0x4000;i++) {
      if(classes[i] && !(classes[i]->cflags&CF_NOCLASS2) && strlen(classes[i]->name)==n && !memcmp(p,classes[i]->name,n)) {
        v->u=i;
        p+=n;
        goto ok;
      }
    }
    return 0;
  } else if(*p=='%') {
    v->t=TY_LEVELSTRING;
    v->u=strtol(p+1,&p,10)&0xFFFF;
  } else if(*p=='#') {
    v->t=TY_MESSAGE;
    p++; n--;
    for(i=0;i<0x4000;i++) {
      if(messages[i] && strlen(messages[i])==n && !memcmp(p,messages[i],n)) {
        v->u=i+256;
        p+=n;
        goto ok;
      }
    }
    return 0;
  } else if(*p>='A' && *p<='Z') {
    v->t=TY_MESSAGE;
    for(i=0;i<N_MESSAGES;i++) {
      if(strlen(standard_message_names[i])==n && !memcmp(p,standard_message_names[i],n)) {
        v->u=i;
        p+=n;
        goto ok;
      }
    }
    return 0;
  } else {
    return 0;
  }
  ok: if(*p==' ' || *p=='\t') return p+1; else return 0;
}

static char*import_string(char*p) {
  char isimg=0;
  char*s=malloc(strlen(p)+3);
  char*q=s;
  if(!s) fatal("Allocation failed\n");
  while(*p) {
    if(*p=='\\') {
      p++;
      if(isimg) {
        isimg=0;
        *q++='\\';
      } else {
        switch(*p++) {
          case '0' ... '7': *q++=*p+1-'0'; break;
          case 'b': *q++=15; break;
          case 'c': *q++=12; break;
          case 'i': *q++=14; isimg=1; break;
          case 'l': *q++=11; break;
          case 'n': *q++=10; break;
          case 'q': *q++=16; break;
          case 'x':
            *q++=31;
            *q=0;
            if(p[1]>='0' && p[1]<='9') *q=(p[1]-'0')<<4;
            else if(p[1]>='A' && p[1]<='F') *q=(p[1]+10-'A')<<4;
            else if(p[1]>='a' && p[1]<='f') *q=(p[1]+10-'a')<<4;
            else goto bad;
            if(p[2]>='0' && p[2]<='9') *q|=(p[2]-'0');
            else if(p[2]>='A' && p[2]<='F') *q|=(p[2]+10-'A');
            else if(p[2]>='a' && p[2]<='f') *q|=(p[2]+10-'a');
            else goto bad;
            p+=2; q++; break;
          default: *q++=*p;
        }
        p++;
      }
    } else {
      *q++=*p++;
    }
  }
  if(0) {
    bad:
    screen_message("Bad \\x escape");
  }
  if(isimg) *q++='\\';
  *q=0;
  return s;
}

static void import_level(const char*cmd) {
  char d=0;
  int x,y;
  Object*o;
  FILE*fp;
  size_t size=0;
  char*buf=0;
  char*p;
  Value v;
  if(!cmd || !*cmd) return;
  fp=popen(cmd,"r");
  if(!fp) {
    screen_message("Cannot open pipe");
    return;
  }
  level_changed=1;
  while(getline(&buf,&size,fp)>0) {
    p=buf;
    p[strcspn(p,"\r\n\f")]=0;
    p+=strspn(p,"\t ");
    switch(*p) {
      case '0' ... '9':
        if(!d) {
          missd:
          screen_message("Missing D line");
          goto done;
        }
        p=import_numbers(p,&x,&y);
        if(!p) goto bad;
        if(x<1 || x>pfwidth || y<1 || y>pfheight) {
          range:
          fprintf(stderr,"Imported level coordinates out of range: %d %d\n",x,y);
          screen_message("Coordinates out of range");
          goto done;
        }
        p=import_value(p,&v);
        if(!p || v.t!=TY_CLASS) goto bad;
        v.u=objalloc(v.u);
        if(v.u==VOIDLINK) goto bad;
        o=objects[v.u];
        o->x=x;
        o->y=y;
        p=import_value(p,&o->misc1);
        p=import_value(p,&o->misc2);
        p=import_value(p,&o->misc3);
        p=import_numbers(p,&x,0);
        o->dir=x;
        if((x&~7) || !p) {
          objtrash(v.u);
          goto bad;
        }
        pflink(v.u);
        break;
      case 'C':
        p=import_numbers(p+1,&x,0);
        if(!p || *p) goto bad;
        level_code=x;
        break;
      case 'D':
        p=import_numbers(p+1,&x,&y);
        if(!p || *p) goto bad;
        if(x<1 || x>64 || y<1 || y>64) goto range;
        if(d) {
          screen_message("Duplicate D line");
          goto done;
        }
        d=1;
        annihilate();
        pfwidth=x;
        pfheight=y;
        break;
      case '@':
        free(level_title);
        level_title=import_string(p+1);
        break;
      case '%':
        if(nlevelstrings>0x2000) {
          screen_message("Too many level strings");
        } else {
          levelstrings=realloc(levelstrings,(nlevelstrings+1)*sizeof(char*));
          if(!levelstrings) fatal("Allocation failed\n");
          levelstrings[nlevelstrings++]=import_string(p+1);
        }
        break;
      default:
        if(*p && *p!=';') {
          bad:
          fprintf(stderr,"Invalid record in imported data:  %s\n",buf);
          screen_message("Invalid record");
          goto done;
        }
    }
  }
  done:
  free(buf);
  pclose(fp);
  generation_number_inc=0;
}

static int editor_command(int prev,int cmd,int number,int argc,sqlite3_stmt*args,void*aux) {
  int x,y;
  switch(cmd) {
    case '^a': // Add object (no duplicates)
      if(prev) return prev;
      add_object_at(number&63?:64,number/64?:64,mru+curmru,1);
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    case 'ex': // Export level
      if(argc<2) return prev;
      export_level(sqlite3_column_text(args,1));
      return prev;
    case 'go': // Select level
      load_level(number);
      return 1;




    case 'lc': // Set level code
      level_code=number;
      level_changed=1;
      return 0;
    case 'lv': // Set level version
      level_version=number;
      level_changed=0;







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    case 'ex': // Export level
      if(argc<2) return prev;
      export_level(sqlite3_column_text(args,1));
      return prev;
    case 'go': // Select level
      load_level(number);
      return 1;
    case 'im': // Import level
      if(argc<2) return prev;
      import_level(sqlite3_column_text(args,1));
      return 0;
    case 'lc': // Set level code
      level_code=number;
      level_changed=1;
      return 0;
    case 'lv': // Set level version
      level_version=number;
      level_changed=0;

Modified export.doc from [30a247908a] to [ec871d7ba2].

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  line must come before any objects are listed, and is mandatory.

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  Specify an object. Objects are listed starting from the top left corner,
  going right, and within each cell the objects are listed from bottom to
  top. Coordinates are one-based. The image is a number (0 for the first
  image), misc1 to misc3 are misc values (see below), and dir is also a
  number (0 for east, up to 7 for southeast).



%string
  A level string. The level strings are numbered in order, starting from
  string 0. The format is like that of the title.


=== Misc values ===







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  line must come before any objects are listed, and is mandatory.

x y $class image misc1 misc2 misc3 dir
  Specify an object. Objects are listed starting from the top left corner,
  going right, and within each cell the objects are listed from bottom to
  top. Coordinates are one-based. The image is a number (0 for the first
  image), misc1 to misc3 are misc values (see below), and dir is also a
  number (0 for east, up to 7 for southeast). When the data is being
  imported, it will accept objects listed in any order, but when being
  exported from Free Hero Mesh, they are ordered as described above.

%string
  A level string. The level strings are numbered in order, starting from
  string 0. The format is like that of the title.


=== Misc values ===