Free Hero Mesh

#define MAC_DIV 0xFFC3
#define MAC_MOD 0xFFC4
#define MAC_BAND 0xFFC5
#define MAC_BOR 0xFFC6
#define MAC_BXOR 0xFFC7
#define MAC_BNOT 0xFFC8
#define MAC_CAT 0xFFC9
#define MAC_BIT 0xFFCA
#define MAC_VERSION 0xFFE0
#define MAC_DEFINE 0xFFE1
#define MAC_INCLUDE 0xFFE2
#define MAC_CALL 0xFFE3
#define MAC_UNDEFINED 0xFFFF

static TokenList*add_macro(void) {

              ParseError("Number or string or name expected\n");
            }
          }
          s[n]=0;
          strcpy(tokenstr,s);
          free(s);
          ReturnToken(TF_NAME|TF_ABNORMAL,OP_STRING);
        case MAC_BIT:
          n=0;
          for(;;) {
            nxttok();
            if(tokent==TF_MACRO+TF_CLOSE) break;
            if(tokent!=TF_INT) ParseError("Number expected\n");
            n|=1<<tokenv;
          }
          tokent=TF_INT;
          tokenv=n;
          break;
        case MAC_VERSION:
          nxttok1();
          if(tokent!=TF_INT) ParseError("Number expected\n");
          if(tokenv<MIN_VERSION || tokenv>MAX_VERSION) ParseError("Version number out of range\n");
          nxttok1();
          if(tokent!=TF_MACRO+TF_CLOSE) ParseError("Too many macro arguments\n");
          goto again;

          FlowPush(OP_FOR);
          peep=++ptr;
          break;
        case OP_NEXT:
          FlowPop(OP_FOR);
          AddInst(OP_NEXT);
          cl->codes[flowptr[flowdepth]]=ptr;
          break;
        case OP_STRING:
          
          break;
        default:
          if(Tokenf(TF_ABNORMAL)) ParseError("Invalid instruction token\n");
          if(compat && Tokenf(TF_COMPAT)) ++tokenv;
          AddInstF(tokenv,tokent);
      }
    } else if(Tokenf(TF_FUNCTION)) {

      if(!(i&16)) printf("    [%04X]",i);
      printf(" %04X",cl->codes[i]);
    }
    putchar('\n');
  }
  printf("---\n\n");
}

static inline Uint32 class_def_number(void) {
  Uint32 n;
  nxttok();
  if(!Tokenf(TF_INT)) fatal("Number expected\n");
  n=tokenv;
  nxttok();
  if(tokent!=TF_CLOSE) fatal("Close parentheses expected\n");
  return n;
}

static Uint32 class_def_misc(void) {
  Uint32 n=0;
  for(;;) {
    nxttok();
    if(tokent==TF_CLOSE) return n;
    if(Tokenf(TF_INT)) {
      n|=tokenv;
    } else if(Tokenf(TF_NAME) && !(tokenv&~255)) {
      n|=tokenv;
    } else if(Tokenf(TF_NAME) && tokenv>=OP_BITCONSTANT && tokenv<=OP_BITCONSTANT_LAST) {
      n|=1L<<(tokenv&31);
    } else {
      fatal("Number expected");
    }
  }
}

static Uint32 class_def_arrivals(void) {
  Uint32 n=0;
  int i;
  nxttok();
  if(Tokenf(TF_NAME) && tokenv==OP_INPLACE) {
    nxttok();
    if(tokent!=TF_CLOSE) ParseError("Close parentheses expected\n");
    return 1<<12;
  }
  for(i=0;i<25;i++) {
    nxttok();
    if(!Tokenf(TF_INT) || (tokenv&~1)) ParseError("Expected 0 or 1\n");
    if(tokenv) n|=1<<(i+4-2*(i%5));
  }
  nxttok();
  if(tokent!=TF_CLOSE) ParseError("Close parentheses expected\n");
  return n;
}

static void class_def_hard(Uint16*data) {
  int i;
  for(;;) {
    nxttok();
    if(tokent==TF_CLOSE) {
      return;
    } else if(tokent==TF_OPEN) {
      nxttok();
      if(!Tokenf(TF_DIR) || tokenv>7 || (tokenv&1)) ParseError("Expected even absolute direction\n");
      i=tokenv>>1;
      nxttok();
      if(tokent!=TF_INT || (tokenv&~0xFFFF)) ParseError("Sixteen-bit number expected\n");
      data[i]=tokenv;
      nxttok();
      if(tokent!=TF_CLOSE) ParseError("Close parentheses expected\n");
    } else if(tokent==TF_INT) {
      if(tokenv&~0xFFFF) ParseError("Hardness/sharpness must be a 16-bit number\n");
      data[0]=data[1]=data[2]=data[3]=tokenv;
    } else {
      ParseError("Expected ( or ) or number\n");
    }
  }
}

static inline Uint8 class_def_shovable(void) {
  
}

static inline Uint8 class_def_shape(void) {
  
}

static void class_definition(int cla) {
  Hash*hash=calloc(LOCAL_HASH_SIZE,sizeof(Hash));
  Class*cl=classes[cla];
  int ptr=0;
  int compat=0;
  int i;

  begin_label_stack();
  for(;;) {
    nxttok();
    if(Tokenf(TF_EOF)) {
      ParseError("Unexpected end of file\n");
    } else if(Tokenf(TF_MACRO)) {
      ParseError("Unexpected macro token\n");
    } else if(Tokenf(TF_OPEN)) {
      nxttok();
      if(Tokenf(TF_NAME)) {
        switch(tokenv) {
          case OP_IMAGE:
            
            break;
          case OP_DEFAULTIMAGE:
            
            break;
          case OP_HELP:
            
            break;
          case OP_EDITORHELP:
            
            break;
          case OP_HEIGHT:
            cl->height=class_def_number();
            break;
          case OP_WEIGHT:
            cl->weight=class_def_number();
            break;
          case OP_CLIMB:
            cl->climb=class_def_number();
            break;
          case OP_DENSITY:
            cl->density=class_def_number();
            break;
          case OP_VOLUME:
            cl->volume=class_def_number();
            break;
          case OP_STRENGTH:
            cl->strength=class_def_number();
            break;
          case OP_TEMPERATURE:
            cl->temperature=class_def_number();
            break;
          case OP_MISC4:
            cl->misc4=class_def_misc();
            break;
          case OP_MISC5:
            cl->misc5=class_def_misc();
            break;
          case OP_MISC6:
            cl->misc6=class_def_misc();
            break;
          case OP_MISC7:
            cl->misc7=class_def_misc();
            break;
          case OP_ARRIVALS:
            cl->arrivals=class_def_arrivals();
            break;
          case OP_DEPARTURES:
            cl->departures=class_def_arrivals();
            break;
          case OP_HARD:
            class_def_hard(cl->hard);
            break;
          case OP_SHARP:
            class_def_hard(cl->sharp);
            break;
          case OP_SHAPE:
            cl->shape=class_def_shape();
            break;
          case OP_SHOVABLE:
            cl->shovable=class_def_shovable();
            break;
          case OP_SUBS:
            ptr=parse_instructions(cla,ptr,hash,compat);
            break;
          case OP_LABEL:
            pushback=1;
            ptr=parse_instructions(cla,ptr,hash,compat);
            break;
          case 0x0200 ... 0x02FF:
            set_message_ptr(cla,tokenv&255,ptr);
            ptr=parse_instructions(cla,ptr,hash,compat);
            break;
          case 0xC000 ... 0xFFFF:
            set_message_ptr(cla,tokenv+256-0xC000,ptr);
            ptr=parse_instructions(cla,ptr,hash,compat);
            break;
          default: ParseError("Invalid directly inside of a class definition\n");
        }
      } else {
        ParseError("Invalid directly inside of a class definition\n");
      }
    } else if(Tokenf(TF_NAME)) {
      switch(tokenv) {
        case OP_PLAYER: cl->cflags|=CF_PLAYER; break;
        case OP_INPUT: cl->cflags|=CF_INPUT; break;
        case OP_COMPATIBLE: cl->cflags|=CF_COMPATIBLE; compat=1; break;
        case OP_COMPATIBLE_C: cl->cflags|=CF_COMPATIBLE; break;
        case OP_QUIZ: cl->cflags|=CF_QUIZ; break;
        case OP_INVISIBLE: cl->oflags|=OF_INVISIBLE; break;
        case OP_VISUALONLY: cl->oflags|=OF_VISUALONLY; break;
        case OP_STEALTHY: cl->oflags|=OF_STEALTHY; break;
        case OP_USERSTATE: cl->oflags|=OF_USERSTATE; break;
        case OP_SHOVABLE: cl->shovable=0x55; break;
        default: ParseError("Invalid directly inside of a class definition\n");
      }
    } else if(Tokenf(TF_CLOSE)) {
      break;
    } else {
      ParseError("Invalid directly inside of a class definition\n");
    }
  }
  end_label_stack(classes[0]->codes,hash);
  if(!cl->nimages) cl->oflags|=OF_INVISIBLE;
  if(main_options['C']) dump_class(cla,ptr,hash);
  if(main_options['H']) {
    for(i=0;i<LOCAL_HASH_SIZE;i++) if(hash[i].id) printf(" \"%s\": %04X\n",hash[i].txt,hash[i].id);
  }
  for(i=0;i<LOCAL_HASH_SIZE;i++) free(hash[i].txt);
  free(hash);
}

static void load_class_numbers(void) {
  int i,n;
  long size=0;
  unsigned char*data=read_lump(FIL_LEVEL,LUMP_CLASS_DEF,&size,0);
  unsigned char*p;
  if(!data) return;
  for(i=0;i<size-3;) {
    n=data[i]|(data[i+1]<<8);
    if(!n) break;
    if(n>=0x4000) fatal("Malformed CLASS.DEF lump\n");
    i+=2;
    p=data+i;
    while(i<size && data[i++]);
    if(i==size && data[i-1]) fatal("Malformed CLASS.DEF lump\n");
    initialize_class(n,CF_NOCLASS2,p);
  }
  i+=2;
  for(;i<size-3;) {
    n=data[i]|(data[i+1]<<8);
    if(n<256 || n>=0x4100) fatal("Malformed CLASS.DEF lump\n");
    n-=256;
    i+=2;
    p=data+i;
    while(i<size && data[i++]);
    if(i==size && data[i-1]) fatal("Malformed CLASS.DEF lump\n");
    if(messages[n]) fatal("Duplicate message number %d\n",n+256);
    messages[n]=strdup(p);
    if(!messages[n]) fatal("Allocation failed\n");
  }
  free(data);
}

void load_classes(void) {
  int i;
  int gloptr=0;
  Hash*glolocalhash;
  char*nam=sqlite3_mprintf("%s.class",basefilename);
  fprintf(stderr,"Loading class definitions...\n");
  if(!nam) fatal("Allocation failed\n");
  classfp=fopen(nam,"r");
  sqlite3_free(nam);
  if(!classfp) fatal("Cannot open class file '%s': %m\n",nam);
  glohash=calloc(HASH_SIZE,sizeof(Hash));
  if(!glohash) fatal("Allocation failed\n");
  glolocalhash=calloc(LOCAL_HASH_SIZE,sizeof(Hash));
  if(!glolocalhash) fatal("Allocation failed\n");
  strcpy(tokenstr,"+"); glohash[look_hash_mac()].id=MAC_ADD;
  strcpy(tokenstr,"-"); glohash[look_hash_mac()].id=MAC_SUB;
  strcpy(tokenstr,"*"); glohash[look_hash_mac()].id=MAC_MUL;
  strcpy(tokenstr,"/"); glohash[look_hash_mac()].id=MAC_DIV;
  strcpy(tokenstr,"mod"); glohash[look_hash_mac()].id=MAC_MOD;
  strcpy(tokenstr,"band"); glohash[look_hash_mac()].id=MAC_BAND;
  strcpy(tokenstr,"bor"); glohash[look_hash_mac()].id=MAC_BOR;
  strcpy(tokenstr,"bxor"); glohash[look_hash_mac()].id=MAC_BXOR;
  strcpy(tokenstr,"bnot"); glohash[look_hash_mac()].id=MAC_BNOT;
  strcpy(tokenstr,"cat"); glohash[look_hash_mac()].id=MAC_CAT;
  strcpy(tokenstr,"bit"); glohash[look_hash_mac()].id=MAC_BIT;
  strcpy(tokenstr,"version"); glohash[look_hash_mac()].id=MAC_VERSION;
  strcpy(tokenstr,"define"); glohash[look_hash_mac()].id=MAC_DEFINE;
  strcpy(tokenstr,"include"); glohash[look_hash_mac()].id=MAC_INCLUDE;
  strcpy(tokenstr,"call"); glohash[look_hash_mac()].id=MAC_CALL;
  if(main_options['L']) {
    for(;;) {
      nxttok();

  }
  *classes=malloc(sizeof(Class));
  if(!*classes) fatal("Allocation failed\n");
  classes[0]->name=classes[0]->edithelp=classes[0]->gamehelp=0;
  classes[0]->codes=classes[0]->messages=classes[0]->images=0;
  classes[0]->nmsg=0;
  memset(functions,-1,sizeof(functions));
  load_class_numbers();
  for(;;) {
    nxttok();
    if(tokent==TF_EOF) goto done;
    if(tokent!=TF_OPEN) ParseError("Expected open parenthesis\n");
    nxttok();
    if(Tokenf(TF_FUNCTION)) {
      functions[tokenv&0x3FFF]=gloptr;

    fatal("Function mentioned but not defined\n");
  }
  for(i=0;i<HASH_SIZE;i++) free(glohash[i].txt);
  free(glohash);
  for(i=1;i<undef_class;i++) if(classes[i] && (classes[i]->cflags&CF_NOCLASS1)) fatal("Class $%s mentioned but not defined\n",classes[i]->name);
  if(macros) for(i=0;i<MAX_MACRO;i++) if(macros[i]) free_macro(macros[i]);
  free(macros);
  fprintf(stderr,"Done\n");
}