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//Combo Scripts v0.3
//26th August, 2019
refInfo comboScriptData[176*7];
word combo_doscript[176] = {0}; //one bit per layer
byte combo_waitdraw[176] = {0}; //one bit per layer
byte combo_initialised[176] = {0}; //one bit per layer
int comboscript_combo_ids[176*7] = {0};
long combo_stack[176*7][MAX_SCRIPT_REGISTERS];
 
//Add to refInfo class: comboposref, used for layer and positional data for special combo script functions
 
void init_combo_doscript()
{
    for ( int q = 0; q < 1232; q++ ) combo_doscript[q] = 1;
}
void clear_combo_refinfo()
{
    for ( int q = 0; q < 1232; q++ )
        comboScriptData[q].Clear();
}
 
void clear_combo_refinfo(int pos)
{
    comboScriptData[pos].Clear();
}
 
void clear_combo_stacks()
{
    for ( int q = 0; q < 1232; q++ )
        memset(combo_stack[q], 0, sizeof(combo_stack[q]));
}
void clear_combo_stack(int q)
{
    memset(combo_stack[q], 0, sizeof(combo_stack[q]));
}
 
void clear_combo_initialised()
{
    memset(combo_initialised, 0, sizeof(combo_initialised));
}
 
//c+176*q : This tells the interpreter which combo pos and which layer it is running.
//used for X(), Y(), Layer() and Pos()
 
//RunScript
case SCRIPT_COMBO:
{
    ri = &(comboScriptData[i]);
 
    curscript = comboscripts[script];
    stack = &(combo_stack[i]);
    int pos = ((i%176));
    int id = comboscript_combo_ids[i]; 
 
    if(!(combo_initialised[pos]&l))
    {
        memset(ri->d, 0, 8 * sizeof(long));
        for ( int q = 0; q < COMBOINITDMAX; q++ )
            ri->d[q] = combosbuf[m->data[id]].initD[q];
    }
 
    ri->combosref = id; //'this' pointer
    ri->comboposref = i; //used for X(), Y(), Layer(), and so forth.
}
 
//Quit
case SCRIPT_COMBO:
{
    int l = 0; //get the layer
    for int q = 176; q < 1232; q+= 176 )
    {
        if ( i < q )
        {
            break;
        }
        ++l;
    }
    int pos = ((i%176));
    combo_doscript[pos] &=  ~(1<<l);
    combo_initialised[pos] &=  ~(1<<l);
    
    FFScript::deallocateAllArrays(type, i); //need to add combo arrays
 
    break;
}
 
void ComboScriptEngine()
{
    
    for ( int q = 0; q < ; q++ )
    {
        if (!get_bit(quest_rules, qrCOMBO_SCRIPTS_RUN_ON_LAYER_0+q)) continue;
        for ( int c = 0; c < 176; c++ )
        {
            if ( !q )
            {
                //layer 0
                if ( combosbuf[tmpscr->data[c]].script )
                {
                    if ( combo_doscript[c] & 1 )
                    {
                        combo_doscript[c] |= 1;
                        comboscript_combo_ids[c+(176*q)] = tmpscr->data[c];
                        ZScriptVersion::RunScript(SCRIPT_COMBO, combosbuf[tmpscr->data[c].script, c+(176*q));
                    }
                }
            }
            else //higher layers
            {
                int ls = tmpscr->layerscreen[q];
                int lm = tmpscr->layermap[q];
                mapscr *m = &TheMaps[(zc_max((lm)-1,0) * MAPSCRS + ls)];
                if ( combosbuf[m->data[c]].script )
                {
                    if ( combo_doscript[c] & (1<<q) )
                    {
                        combo_doscript[c] |= (1<<q);
                        comboscript_combo_ids[c+(176*q)] = m->data[c];
                        ZScriptVersion::RunScript(SCRIPT_COMBO, combosbuf[m->data[c]].script, c=176*q);
                    }
                }
            }
        }
    }
}
                
 
//tba
void deallocateComboArrays();
 
int getComboDataLayer(int c, int scripttype)
{
    if ( scripttype != SCRIPT_COMBO )
    {
        Z_scripterrorlog("combodata->Layer() only runs from combo scripts, not from script type &s\n", scripttypenames[scripttype]);
        return -1;
    }
    else
    {
        int l = 0;
        for int q = 176; q < 1232; q+= 176 )
        {
            if ( c < q )
            {
                return l;
            }
            ++l;
        }
    }
}
 
int getCombodataPos(int c, int scripttype)
{
    if ( scripttype != SCRIPT_COMBO )
    {
        Z_scripterrorlog("combodata->YPos() only runs from combo scripts, not from script type &s\n", scripttypenames[scripttype]);
        return -1;
    }
    else return ((c%176));
}
 
int getCombodataX(int c, int scripttype)
{
    if ( scripttype != SCRIPT_COMBO )
    {
        Z_scripterrorlog("combodata->X() only runs from combo scripts, not from script type &s\n", scripttypenames[scripttype]);
        return -1;
    }
    else
    {
        int pos = getCombodataPos(c);
        return COMBOX(pos);
    }
}
 
int getCombodataY(int c, int scripttype)
{
    if ( scripttype != SCRIPT_COMBO )
    {
        Z_scripterrorlog("combodata->Y() only runs from combo scripts, not from script type &s\n", scripttypenames[scripttype]);
        return -1;
    }
    else
    {
        int pos = getCombodataPos(c);
        return COMBOY(pos);
    }
}