Free Hero Mesh

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Annotate Patch Side-by-side Diff

Differences From Artifact [3d46b07e14]:

To Artifact [4b3ee71562]:

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Uint32 firstobj=VOIDLINK;
Uint32 lastobj=VOIDLINK;
Uint32 playfield[64*64]; // bottom-most object per cell
Uint8 pfwidth,pfheight;
Sint8 gameover,key_ignored;
Uint8 generation_number_inc;
Uint32 move_number;
unsigned char*quiz_text;

typedef struct {
  Uint16 msg;
  Uint32 from;
  Value arg1,arg2,arg3;
} MessageVars;
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  return send_message(from,v_object(to),msg.u,arg1,arg2,arg3);
}

static inline Value v_send_self(Uint32 from,Value msg,Value arg1,Value arg2,Value arg3) {
  if(msg.t!=TY_MESSAGE) Throw("Type mismatch");
  return send_message(from,from,msg.u,arg1,arg2,arg3);
}

static void v_set_popup(Uint32 from,int argc) {
  const unsigned char*t;
  const unsigned char*u;
  sqlite3_str*s;
  Value v;
  int argi=1;
  if(argc>32 || argc<0) Throw("Too many arguments");
  vstackptr-=argc;
  v=Pop();
  if(quiz_text) return;
  if(argc) {
    argc++;
    if(v.t!=TY_STRING && v.t!=TY_LEVELSTRING) Throw("Type mismatch");
    s=sqlite3_str_new(userdb);
    t=value_string_ptr(v);
    while(*t) {
      if(u=strchr(t,'%')) {
        sqlite3_str_append(s,t,u-t);
        t=u+2;
        switch(u[1]) {
          case 0:
            t=u+1;
            break;
          case 'c':
            if(argi==argc) break;
            v=vstack[vstackptr+argi++];
            if(v.t==TY_NUMBER) {
              sqlite3_str_appendchar(s,1,31);
              sqlite3_str_appendchar(s,1,v.u&255?:255);
            }
            break;
          case 'd':
            if(argi==argc) break;
            v=vstack[vstackptr+argi++];
            if(v.t==TY_NUMBER) sqlite3_str_appendf(s,"%d",(signed int)v.s);
            break;
          case 'i':
            if(argi>=argc-1) break;
            if(vstack[vstackptr+argi].t==TY_CLASS && vstack[vstackptr+argi+1].t==TY_NUMBER) {
              Class*c=classes[vstack[vstackptr+argi].u];
              int n=vstack[vstackptr+argi+1].u&255;
              if(n<c->nimages) sqlite3_str_appendf(s,"\x0E\x07:%d\\",c->images[n]&0x7FFF);
            }
            argi+=2;
            break;
          case 's':
            if(argi==argc) break;
            v=vstack[vstackptr+argi++];
            switch(v.t) {
              case TY_STRING: case TY_LEVELSTRING:
                sqlite3_str_appendf(s,"%s",value_string_ptr(v));
                break;
              case TY_NUMBER:
                sqlite3_str_appendf(s,"%llu",(sqlite3_int64)v.u);
                break;
              case TY_CLASS:
                sqlite3_str_appendf(s,"%s",classes[v.u]->name);
                break;
              default:
                Throw("Type mismatch");
            }
            break;
          case 'u':
            if(argi==argc) break;
            v=vstack[vstackptr+argi++];
            if(v.t==TY_NUMBER) sqlite3_str_appendf(s,"%u",(unsigned int)v.u);
            break;
          case 'x':
            if(argi==argc) break;
            v=vstack[vstackptr+argi++];
            if(v.t==TY_NUMBER) sqlite3_str_appendf(s,"%x",(unsigned int)v.u);
            break;
          case 'X':
            if(argi==argc) break;
            v=vstack[vstackptr+argi++];
            if(v.t==TY_NUMBER) sqlite3_str_appendf(s,"%X",(unsigned int)v.u);
            break;
          case '%':
            sqlite3_str_appendchar(s,1,'%');
            break;
        }
      } else {
        sqlite3_str_appendall(s,t);
        break;
      }
    }
    sqlite3_str_appendchar(s,1,0);
    quiz_text=sqlite3_str_finish(s);
  } else {
    switch(v.t) {
      case TY_STRING: case TY_LEVELSTRING:
        quiz_text=sqlite3_mprintf("%s",value_string_ptr(v));
        break;
      case TY_NUMBER:
        quiz_text=sqlite3_mprintf("%llu",(sqlite3_int64)v.u);
        break;
      case TY_CLASS:
        quiz_text=sqlite3_mprintf("%s",classes[v.u]->name);
        break;
      default:
        Throw("Type mismatch");
    }
  }
  if(!quiz_text) fatal("Allocation failed\n");
  t=quiz_text;
  while(*t) {
    if(*t==16) {
      quiz_obj.t=objects[from]->generation?:1;
      quiz_obj.u=from;
    }
    if(*t==31 && t[1]) t+=2; else t+=1;
  }
}

// Here is where the execution of a Free Hero Mesh bytecode subroutine is executed.
#define NoIgnore() do{ changed=1; }while(0)
#define GetVariableOf(a,b) (i=v_object(Pop()),i==VOIDLINK?NVALUE(0):b(objects[i]->a))
#define GetVariableOrAttributeOf(a,b) (t2=Pop(),t2.t==TY_CLASS?NVALUE(classes[t2.u]->a):(i=v_object(t2),i==VOIDLINK?NVALUE(0):b(objects[i]->a)))
#define Numeric(a) do{ if((a).t!=TY_NUMBER) Throw("Type mismatch"); }while(0)
#define DivideBy(a) do{ Numeric(a); if(!(a).u) Throw("Division by zero"); }while(0)
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    case OP_OBJCLASSAT: StackReq(3,1); t3=Pop(); t2=Pop(); t1=Pop(); Push(v_obj_class_at(t1,t2,t3)); break;
    case OP_OBJDIR: StackReq(1,1); t2=Pop(); Numeric(t2); i=obj_dir(obj,t2.u); Push(OVALUE(i)); break;
    case OP_OBJDIR_C: StackReq(2,1); t2=Pop(); Numeric(t2); i=obj_dir(v_object(Pop()),t2.u); Push(OVALUE(i)); break;
    case OP_OBJLAYERAT: StackReq(3,1); t3=Pop(); Numeric(t3); t2=Pop(); Numeric(t2); t1=Pop(); Numeric(t1); i=obj_layer_at(t1.u,t2.u,t3.u); Push(OVALUE(i)); break;
    case OP_OBJTOPAT: StackReq(2,1); t2=Pop(); Numeric(t2); t1=Pop(); Numeric(t1); i=obj_top_at(t1.u,t2.u); Push(OVALUE(i)); break;
    case OP_PLAYER: StackReq(0,1); if(classes[o->class]->cflags&CF_PLAYER) Push(NVALUE(1)); else Push(NVALUE(0)); break;
    case OP_PLAYER_C: StackReq(1,1); GetClassFlagOf(CF_PLAYER); break;
    case OP_POPUP: StackReq(1,0); v_set_popup(obj,0); break;
    case OP_POPUPARGS: i=code[ptr++]; StackReq(i+1,0); v_set_popup(obj,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;
    case OP_SELF: StackReq(0,1); Push(OVALUE(obj)); break;
    case OP_SEND: StackReq(3,1); t4=Pop(); t3=Pop(); t2=Pop(); Push(v_send_self(obj,t2,t3,t4,NVALUE(0))); break;
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    case OP_STEALTHY_EC: NoIgnore(); StackReq(2,0); SetFlagOf(OF_STEALTHY); break;
    case OP_STRENGTH: StackReq(0,1); Push(NVALUE(o->strength)); break;
    case OP_STRENGTH_C: StackReq(1,1); Push(GetVariableOrAttributeOf(strength,NVALUE)); break;
    case OP_STRENGTH_E: NoIgnore(); StackReq(1,0); t1=Pop(); Numeric(t1); o->strength=t1.u; break;
    case OP_STRENGTH_E16: NoIgnore(); StackReq(1,0); t1=Pop(); Numeric(t1); o->strength=t1.u&0xFFFF; break;
    case OP_STRENGTH_EC: NoIgnore(); StackReq(2,0); t1=Pop(); Numeric(t1); i=v_object(Pop()); if(i!=VOIDLINK) o->strength=t1.u; break;
    case OP_STRENGTH_EC16: NoIgnore(); StackReq(2,0); t1=Pop(); Numeric(t1); i=v_object(Pop()); if(i!=VOIDLINK) o->strength=t1.u; break;
    case OP_STRING: StackReq(0,1); Push(UVALUE(code[ptr++],TY_STRING)); break;
    case OP_SOUND: StackReq(2,0); t2=Pop(); t1=Pop(); break; // Sound not implemented at this time
    case OP_SUB: StackReq(2,1); t2=Pop(); Numeric(t2); t1=Pop(); Numeric(t1); Push(NVALUE(t1.u-t2.u)); break;
    case OP_SWAP: StackReq(2,2); t1=Pop(); t2=Pop(); Push(t1); Push(t2); break;
    case OP_SYNCHRONIZE: StackReq(2,0); t2=Pop(); Numeric(t2); t1=Pop(); Numeric(t1); animate_sync(obj,t1.u,t2.u); break;
    case OP_TEMPERATURE: StackReq(0,1); Push(NVALUE(o->temperature)); break;
    case OP_TEMPERATURE_C: StackReq(1,1); Push(GetVariableOrAttributeOf(temperature,NVALUE)); break;
    case OP_TEMPERATURE_E: NoIgnore(); StackReq(1,0); t1=Pop(); Numeric(t1); o->temperature=t1.u; break;
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  return t;
}

void annihilate(void) {
  Uint32 i;
  for(i=0;i<64*64;i++) playfield[i]=VOIDLINK;
  firstobj=lastobj=VOIDLINK;
  if(quiz_text) {
    sqlite3_free(quiz_text);
    quiz_text=0;
  }
  if(!objects) return;
  for(i=0;i<nobjects;i++) if(objects[i]) {
    animfree(objects[i]->anim);
    free(objects[i]);
  }
  nobjects=0;
  free(objects);
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  if(key_ignored) {
    quiz_obj=NVALUE(0);
    return changed?"Invalid use of IgnoreKey":0;
  }
  move_number++;
  // Beginning phase
  if(!all_flushed) broadcast(m,0,MSG_BEGIN_TURN,m==VOIDLINK?NVALUE(objects[m]->x):NVALUE(0),m==VOIDLINK?NVALUE(objects[m]->y):NVALUE(0),v,0);
  // Trigger phase
  
  // Ending phase
  
  // Animation phase
  
  // Cleanup phase
  for(n=0;n<nobjects;n++) if(objects[n] && (objects[n]->oflags&OF_DESTROYED)) objtrash(n);
  if(generation_number<=TY_MAXTYPE) return "Too many generations of objects";
  return 0;
}
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