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Overview
Comment:Implement (Rook), (Bishop), and (Queen) blocks in class definition blocks.
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SHA1: 3a5d5440cc1eff827fda23dd3c93f42e46a18a00
User & Date: user on 2022-04-24 20:33:00
Other Links: manifest | tags
Context
2022-04-26
18:27
Add the Walkable instruction. check-in: 4436b9f0d2 user: user tags: trunk
2022-04-24
20:33
Implement (Rook), (Bishop), and (Queen) blocks in class definition blocks. check-in: 3a5d5440cc user: user tags: trunk
2022-04-22
20:11
Some corrections to parsing the (Order) block; the runtime handling still does not quite work properly yet check-in: 345563f394 user: user tags: trunk
Changes
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Modified class.c from [8147a9749f] to [17e9f0f3a2].

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  cl->collisionLayers|=su->collisionLayers;
  if(cl->nmsg=su->nmsg) {
    cl->messages=malloc(cl->nmsg*sizeof(Uint16));
    if(!cl->messages) fatal("Allocation failed\n");
    for(i=0;i<cl->nmsg;i++) cl->messages[i]=(su->messages[i]==0xFFFF)?0xFFFF:0x0000;
  }
}

static int make_dispatch_block(int cla,Class*cl,int ptr) {
  int i;
  cl->codes=realloc(cl->codes,0x10000*sizeof(Uint16));
  if(!cl->codes) fatal("Allocation failed\n");
  if(get_message_ptr(cla,MSG_KEY)!=0xFFFF) ParseError("Class $%s has a KEY message already\n",cl->name);
  if(ptr>0xFDFE) ParseError("Out of code space\n");
  set_message_ptr(cla,MSG_KEY,ptr);
  cl->codes[ptr]=OP_DISPATCH;
  for(i=1;i<257;i++) cl->codes[ptr+i]=0;
  return ptr+257;
}

static void class_definition(int cla,sqlite3_stmt*vst) {
  Hash*hash=calloc(LOCAL_HASH_SIZE,sizeof(Hash));
  Class*cl=classes[cla];
  int ptr=0;
  int compat=0;
  int i;
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    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_KEY)) {
        if(!disp) {
        if(!disp) disp=1,ptr=make_dispatch_block(cla,cl,ptr);
          cl->codes=realloc(cl->codes,0x10000*sizeof(Uint16));
          if(!cl->codes) fatal("Allocation failed\n");
          if(get_message_ptr(cla,MSG_KEY)!=0xFFFF) ParseError("Class $%s has a KEY message already\n",cl->name);
          if(ptr>0xFDFE) ParseError("Out of code space\n");
          disp=1;
          set_message_ptr(cla,MSG_KEY,ptr);
          cl->codes[ptr]=OP_DISPATCH;
          for(i=1;i<257;i++) cl->codes[ptr+i]=0;
          ptr+=257;
        }
        i=tokenv&255;
        cl->codes[cl->messages[MSG_KEY]+i]=ptr;
        if(cl->cflags&CF_INPUT) {
          nxttok();
          if(tokent!=TF_NAME || tokenv!=OP_IGNOREKEY) keymask[i>>3]|=1<<(i&7);
          pushback=1;
        }
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            ptr=parse_instructions(cla,ptr,hash,compat);
            break;
          case OP_COLLISIONLAYERS:
            cl->collisionLayers=i=class_def_misc();
            if(i&~255) ParseError("CollisionLayers out of range\n");
            break;
          case OP_OTHERS:
            if(!disp) ParseError("Others block without key dispatch block\n");
            if(!disp) disp=1,ptr=make_dispatch_block(cla,cl,ptr);
            if(!(cl->cflags&CF_INPUT)) ParseError("Others block without Input flag\n");
            cl->codes[cl->messages[MSG_KEY]+256]=ptr;
            ptr=parse_instructions(cla,ptr,hash,compat);
            break;
          case OP_ROOK:
            if(!disp) disp=1,ptr=make_dispatch_block(cla,cl,ptr);
            if(ptr>=0xFFED) ParseError("Out of code space\n");
            for(i=37;i<=40;i++) {
              cl->codes[cl->messages[MSG_KEY]+i]=ptr;
              if(cl->cflags&CF_INPUT) keymask[i>>3]|=1<<(i&7);
            }
            cl->codes[ptr++]=OP_QUEEN;
            ptr=parse_instructions(cla,ptr,hash,compat);
            break;
          case OP_BISHOP:
            if(!disp) disp=1,ptr=make_dispatch_block(cla,cl,ptr);
            if(ptr>=0xFFED) ParseError("Out of code space\n");
            for(i=33;i<=36;i++) {
              cl->codes[cl->messages[MSG_KEY]+i]=ptr;
              if(cl->cflags&CF_INPUT) keymask[i>>3]|=1<<(i&7);
            }
            cl->codes[ptr++]=OP_QUEEN;
            ptr=parse_instructions(cla,ptr,hash,compat);
            break;
          case OP_QUEEN:
            if(!disp) disp=1,ptr=make_dispatch_block(cla,cl,ptr);
            if(ptr>=0xFFED) ParseError("Out of code space\n");
            for(i=33;i<=40;i++) {
              cl->codes[cl->messages[MSG_KEY]+i]=ptr;
              if(cl->cflags&CF_INPUT) keymask[i>>3]|=1<<(i&7);
            }
            cl->codes[ptr++]=OP_QUEEN;
            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);
︙

Modified class.doc from [817305dd66] to [706c43e646].

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(Arrivals <numbers...>)
  Define the Arrivals variable for this class. This is twenty-five numbers
  each of which is either zero or one. They are meant to be on five lines
  of five numbers each, making a 5x5 matrix, where the centre means this
  object's location.

(Bishop <code...>)
  Same as four key dispatch blocks: 'PGUP, 'PGDN, 'HOME, and 'END; the
  corresponding direction will be pushed to the stack before the code
  will be executed.

Bizarro
  Means that objects of this class created using the Create instruction
  will be created in the bizarro world by default. (This has no effect on
  objects placed in the level editor.)

(Climb <number>)
  Define the Climb variable for this class.
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(Misc6 <numbers...>)
  Define the Misc6 variable for this class; see Misc4 above for details.

(Misc7 <numbers...>)
  Define the Misc7 variable for this class; see Misc4 above for details.

(Others <code...>)
  This block must be preceded by another key dispatch block (although not
  necessarily directly preceded), and it is only allowed in classes with
  the Input flag. If no key dispatch block matches and it is not a key
  which is implicitly ignored, and Arg3 is both zero, then it will execute
  This block is only allowed in classes with the Input flag. If no key
  dispatch block matches and it is not a key which is implicitly ignored,
  and Arg3 is both zero, then it will execute this block instead.
  this block instead.

Player
  Set the Player flag for this class.

(Queen <code...>)
  Combines the effects of the (Rook) and (Queen) blocks.

Quiz
  If specified, the internal variables of objects of this class cannot
  normally be examined by the player. However, the player can override
  this definition at run time; you cannot rely on it. Class codes cannot
  read the value of this flag.

(Rook <code...>)
  Same as four key dispatch blocks: 'UP, 'LEFT, 'DOWN, and 'RIGHT; the
  corresponding direction will be pushed to the stack before the code
  will be executed.

(Shape <number>)
  Define the shape of this object on all four sides, where 0 means flat,
  1 means slanted to left, 2 means slanted to right, and 3 means slanted
  both left and right.

(Shape <pairs...>)
  Define the shape of this object per side, similar to the (Hard) block.
︙

Modified default.heromeshrc from [eab9494892] to [8a1fa84fa5]. 

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! Hero Mesh configuration settings
?.screenWidth: 800
?.screenHeight: 600
?.imageSize: 24
?.traceAll: true
?.traceAll: false
?.showInventory: 0
?.maxTrigger: 32767
?.pasteCommand: xclip -o
?.codepage: /home/user/freeheromesh/codepage.har

! Game inputs
?.gameKey.A: 'A
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Modified exec.c from [b0f7b5bc62] to [ee9e164ba7].

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    case OP_QC: StackReq(1,1); t1=Pop(); NotSound(t1); if(t1.t==TY_CLASS) Push(NVALUE(1)); else Push(NVALUE(0)); break;
    case OP_QCZ: StackReq(1,1); t1=Pop(); NotSound(t1); if(t1.t==TY_CLASS || (t1.t==TY_NUMBER && !t1.u)) Push(NVALUE(1)); else Push(NVALUE(0)); break;
    case OP_QM: StackReq(1,1); t1=Pop(); NotSound(t1); if(t1.t==TY_MESSAGE) Push(NVALUE(1)); else Push(NVALUE(0)); break;
    case OP_QN: StackReq(1,1); t1=Pop(); NotSound(t1); if(t1.t==TY_NUMBER) Push(NVALUE(1)); else Push(NVALUE(0)); break;
    case OP_QO: StackReq(1,1); t1=Pop(); NotSound(t1); if(t1.t>TY_MAXTYPE) Push(NVALUE(1)); else Push(NVALUE(0)); break;
    case OP_QOZ: StackReq(1,1); t1=Pop(); NotSound(t1); if(t1.t>TY_MAXTYPE || (t1.t==TY_NUMBER && !t1.u)) Push(NVALUE(1)); else Push(NVALUE(0)); break;
    case OP_QS: StackReq(1,1); t1=Pop(); NotSound(t1); if(t1.t==TY_STRING || t1.t==TY_LEVELSTRING) Push(NVALUE(1)); else Push(NVALUE(0)); break;
    case OP_QUEEN: StackReq(0,1); Numeric(msgvars.arg1); i="\x06\x01\x07\x05\x03\x04\x02\x00"[msgvars.arg1.u&7]; Push(NVALUE(i)); break;
    case OP_REL: StackReq(1,1); t1=Pop(); Numeric(t1); i=resolve_dir(obj,t1.u); Push(NVALUE(i)); break;
    case OP_REL_C: StackReq(2,1); t2=Pop(); Numeric(t2); t1=Pop(); i=v_object(t1); i=(i==VOIDLINK?t2.u:resolve_dir(i,t2.u)); Push(NVALUE(i)); break;
    case OP_RET: return;
    case OP_ROT: StackReq(3,3); t3=Pop(); t2=Pop(); t1=Pop(); Push(t2); Push(t3); Push(t1); break;
    case OP_ROTBACK: StackReq(3,3); t3=Pop(); t2=Pop(); t1=Pop(); Push(t3); Push(t1); Push(t2); break;
    case OP_RSH: StackReq(2,1); t2=Pop(); Numeric(t2); t1=Pop(); Numeric(t1); Push(NVALUE(t2.u&~31?0:t1.u>>t2.u)); break;
    case OP_RSH_C: StackReq(2,1); t2=Pop(); Numeric(t2); t1=Pop(); Numeric(t1); Push(NVALUE(t2.u&~31?(t1.s<0?-1:0):t1.s>>t2.u)); break;
︙

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