Free Hero Mesh

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Overview
Comment:Implement loading level titles (and level version and level code)
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 69c81d7254f771782ea537ddf907decb0477afb6
User & Date: user on 2018-08-19 21:53:45
Other Links: manifest | tags
Context
2018-08-24
15:12
Add OF_BIZARRO flag, change OF_TRACEIN/OF_TRACEOUT to CF_TRACEIN/CF_TRACEOUT, fix a bug in update logic for CLASSES vtab check-in: 966114bc2f user: user tags: trunk
2018-08-19
21:53
Implement loading level titles (and level version and level code) check-in: 69c81d7254 user: user tags: trunk
2018-08-18
01:44
Implement level loading; also several bug fixes needed for it to work properly. check-in: 126d717829 user: user tags: trunk
Changes
Hide Diffs Side-by-Side Diffs Ignore Whitespace Patch

Modified class.c from [435ac101e6] to [a15a0e55c6].

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          n<<=4;
          c=fgetc(classfp);
          if(c>='0' && c<='9') n|=c-'0';
          else if(c>='A' && c<='F') n|=c+10-'A';
          else if(c>='a' && c<='f') n|=c+10-'a';
          else ParseError("Invalid string escape: \\x%X%c\n",n>>4,c);
          if(n<32) tokenstr[i++]=31;
          tokenstr[i++]=n;
          tokenstr[i++]=n?:255;
          break;
        default: ParseError("Invalid string escape: \\%c\n",c);
      }
    } else if(c=='"') {
      if(isimg) ParseError("Unterminated \\i escape in string literal\n");
      tokenstr[i]=0;
      return;
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Modified function.c from [37ed16a163] to [b08b25d50c].

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static void fn_cvalue(sqlite3_context*cxt,int argc,sqlite3_value**argv) {
  int a;
  if(sqlite3_value_type(*argv)==SQLITE_NULL) return;
  a=sqlite3_value_int(*argv)&0xFFFF;
  sqlite3_result_int64(cxt,a|((sqlite3_int64)TY_CLASS<<32));
}

static void fn_heromesh_escape(sqlite3_context*cxt,int argc,sqlite3_value**argv) {
  const unsigned char*u=sqlite3_value_blob(*argv);
  int un=sqlite3_value_bytes(*argv);
  char*e;
  int en=0;
  int i=0;
  int c;
  int isimg=0;
  if(!u) return;
  if(!un) {
    sqlite3_result_zeroblob(cxt,0);
    return;
  }
  e=sqlite3_malloc((un<<2)+1);
  if(!e) {
    sqlite3_result_error_nomem(cxt);
    return;
  }
  while(i<un) switch(c=u[i++]) {
    case 1 ... 8: e[en++]='\\'; e[en++]=c+'0'-1; break;
    case 10: e[en++]='\\'; e[en++]='n'; break;
    case 11: e[en++]='\\'; e[en++]='l'; break;
    case 12: e[en++]='\\'; e[en++]='c'; break;
    case 14: e[en++]='\\'; e[en++]='i'; isimg=1; break;
    case 15: e[en++]='\\'; e[en++]='b'; break;
    case 16: e[en++]='\\'; e[en++]='q'; break;
    case 31:
      if(i==un) break;
      c=u[i++];
      e[en++]='\\';
      e[en++]='x';
      e[en++]=(c>>4)<10?(c>>4)+'0':(c>>4)+'A'-10;
      e[en++]=c<10?c+'0':c+'A'-10;
      break;
    case 32 ... 127:
      if(c=='\\') {
        if(!isimg) e[en++]=c;
        isimg=0;
      } else if(c=='"') {
        e[en++]='\\';
      }
      e[en++]=c;
      break;
    default:
      e[en++]='\\';
      e[en++]='x';
      e[en++]=(c>>4)<10?(c>>4)+'0':(c>>4)+'A'-10;
      e[en++]=c<10?c+'0':c+'A'-10;
  }
  sqlite3_result_text(cxt,sqlite3_realloc(e,en+1)?:e,en,sqlite3_free);
}

static void fn_heromesh_type(sqlite3_context*cxt,int argc,sqlite3_value**argv) {
  static const char*const n[16]={
    [TY_NUMBER]="number",
    [TY_CLASS]="class",
    [TY_MESSAGE]="message",
    [TY_LEVELSTRING]="string",
    [TY_STRING]="string",
    [TY_SOUND]="sound",
    [TY_USOUND]="sound",
  };
  int i;
  if(sqlite3_value_type(*argv)!=SQLITE_INTEGER) return;
  i=sqlite3_value_int64(*argv)>>32;
  sqlite3_result_text(cxt,i<0||i>TY_MAXTYPE?"object":n[i]?:"???",-1,SQLITE_STATIC);
}

static void fn_heromesh_unescape(sqlite3_context*cxt,int argc,sqlite3_value**argv) {
  const unsigned char*e=sqlite3_value_text(*argv);
  int en=sqlite3_value_bytes(*argv);
  char*u;
  int un=0;
  int c,n;
  int isimg=0;
  if(!e) return;
  if(!*e) {
    sqlite3_result_text(cxt,"",0,SQLITE_STATIC);
    return;
  }
  u=sqlite3_malloc(en+1);
  if(!u) {
    sqlite3_result_error_nomem(cxt);
    return;
  }
  while(c=*e++) {
    if(c=='\\') {
      if(isimg) {
        u[un++]=c;
        isimg=0;
      } else switch(c=*e++) {
        case '0' ... '7': u[un++]=c-'0'+1; break;
        case 'b': u[un++]=15; break;
        case 'c': u[un++]=12; break;
        case 'i': u[un++]=14; isimg=1; break;
        case 'l': u[un++]=11; break;
        case 'n': u[un++]=10; break;
        case 'q': u[un++]=16; break;
        case 'x':
          c=*e++;
          if(c>='0' && c<='9') n=c-'0';
          else if(c>='A' && c<='F') n=c+10-'A';
          else if(c>='a' && c<='f') n=c+10-'a';
          else break;
          n<<=4;
          c=*e++;
          if(c>='0' && c<='9') n|=c-'0';
          else if(c>='A' && c<='F') n|=c+10-'A';
          else if(c>='a' && c<='f') n|=c+10-'a';
          else break;
          if(n<32) u[un++]=31;
          u[un++]=n?:255;
          break;
        default: u[un++]=c;
      }
    } else {
      u[un++]=c;
    }
  }
  done:
  sqlite3_result_blob(cxt,u,un,sqlite3_free);
}

static void fn_level(sqlite3_context*cxt,int argc,sqlite3_value**argv) {
  sqlite3_result_int(cxt,*(Uint16*)sqlite3_user_data(cxt));
}

static void fn_level_title(sqlite3_context*cxt,int argc,sqlite3_value**argv) {
  if(level_title) sqlite3_result_blob(cxt,level_title,strlen(level_title),SQLITE_TRANSIENT);
}

static void fn_load_level(sqlite3_context*cxt,int argc,sqlite3_value**argv) {
  const char*s;
  if(!main_options['x']) {
    sqlite3_result_error(cxt,"LOAD_LEVEL function requires -x switch",-1);
    return;
  }
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  .xUpdate=vt1_objects_update,
);

void init_sql_functions(sqlite3_int64*ptr0,sqlite3_int64*ptr1) {
  sqlite3_create_function(userdb,"BASENAME",0,SQLITE_UTF8|SQLITE_DETERMINISTIC,0,fn_basename,0,0);
  sqlite3_create_function(userdb,"CLASS_DATA",2,SQLITE_UTF8|SQLITE_DETERMINISTIC,0,fn_class_data,0,0);
  sqlite3_create_function(userdb,"CVALUE",1,SQLITE_UTF8|SQLITE_DETERMINISTIC,0,fn_cvalue,0,0);
  sqlite3_create_function(userdb,"HEROMESH_ESCAPE",1,SQLITE_UTF8|SQLITE_DETERMINISTIC,0,fn_heromesh_escape,0,0);
  sqlite3_create_function(userdb,"HEROMESH_TYPE",1,SQLITE_UTF8|SQLITE_DETERMINISTIC,0,fn_heromesh_type,0,0);
  sqlite3_create_function(userdb,"HEROMESH_UNESCAPE",1,SQLITE_UTF8|SQLITE_DETERMINISTIC,0,fn_heromesh_unescape,0,0);
  sqlite3_create_function(userdb,"LEVEL",0,SQLITE_UTF8,&level_ord,fn_level,0,0);
  sqlite3_create_function(userdb,"LEVEL_CACHEID",0,SQLITE_UTF8|SQLITE_DETERMINISTIC,ptr0,fn_cacheid,0,0);
  sqlite3_create_function(userdb,"LEVEL_ID",0,SQLITE_UTF8,&level_id,fn_level,0,0);
  sqlite3_create_function(userdb,"LEVEL_TITLE",0,SQLITE_UTF8,0,fn_level_title,0,0);
  sqlite3_create_function(userdb,"LOAD_LEVEL",1,SQLITE_UTF8,0,fn_load_level,0,0);
  sqlite3_create_function(userdb,"MODSTATE",0,SQLITE_UTF8,0,fn_modstate,0,0);
  sqlite3_create_function(userdb,"MVALUE",1,SQLITE_UTF8|SQLITE_DETERMINISTIC,0,fn_mvalue,0,0);
  sqlite3_create_function(userdb,"NVALUE",1,SQLITE_UTF8|SQLITE_DETERMINISTIC,0,fn_zero_extend,0,0);
  sqlite3_create_function(userdb,"OVALUE",1,SQLITE_UTF8,0,fn_ovalue,0,0);
  sqlite3_create_function(userdb,"PFHEIGHT",0,SQLITE_UTF8,&pfheight,fn_pfsize,0,0);
  sqlite3_create_function(userdb,"PFWIDTH",0,SQLITE_UTF8,&pfwidth,fn_pfsize,0,0);
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Modified heromesh.h from [bec75427a1] to [2c25e1e23b].

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extern sqlite3*userdb;
extern xrm_db*resourcedb;
extern const char*basefilename;
extern xrm_quark optionquery[16];
extern char main_options[128];
extern Uint8 message_trace[0x4100/8];
extern Uint16 level_id,level_ord,level_version,level_code;
extern unsigned char*level_title;
extern Uint16*level_index;
extern int level_nindex;

#ifdef __GNUC__
extern char stack_protect_mode;
extern void*stack_protect_mark;
extern void*stack_protect_low;
extern void*stack_protect_high;
#define StackProtection() (stack_protect_mode && ( \
︙

Modified main.c from [f785d8c807] to [3f8604fa56].

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sqlite3*userdb;
xrm_db*resourcedb;
const char*basefilename;
xrm_quark optionquery[16];
char main_options[128];
Uint8 message_trace[0x4100/8];
Uint16 level_id,level_ord,level_version,level_code;
unsigned char*level_title;
Uint16*level_index;
int level_nindex;

#ifdef __GNUC__
char stack_protect_mode=0;
void*stack_protect_mark;
void*stack_protect_low;
void*stack_protect_high;
#endif
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  unsigned char*p=buf;
  unsigned char*end=buf+sz;
  int i,n,x,y,z;
  Uint32 o;
  Uint32 mru[2];
  if(lvl<0) return "Invalid level ID";
  if(!buf) return "Cannot find level";
  free(level_title);
  level_title=0;
  annihilate();
  generation_number=TY_MAXTYPE+1;
  level_version=p[0]|(p[1]<<8);
  level_code=p[2]|(p[3]<<8);
  p+=4; // skip level version and level code for now
  p+=4;
  pfwidth=(*p++&63)+1;
  pfheight=(*p++&63)+1;
  while(*p && p<end) p++; // skip text for now
  p++; // skip null terminator
  if(p==end) goto bad1;
  if(p>=end) goto bad1;
  level_title=strdup(buf+6);
  if(!level_title) fatal("Allocation failed\n");
  x=0;
  y=1;
  n=0;
  mru[0]=mru[1]=VOIDLINK;
  for(;;) {
    if(n) {
      o=objalloc(objects[*mru]->class);
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        n=0;
      }
    }
  }
  // skip level strings for now
  if(p>end) goto bad1;
  free(buf);
  level_id=lvl;
  return 0;
bad1:
  free(buf);
  return "Corrupted level data";
bad2:
  free(buf);
  return "Object out of bounds";
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