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/*****************************************************************************
* ___ __ __ ___ _ __ *
* / _ \\ \/ // _ \ '_ \ *
* | (_) |> <| __/ | | | *
* \___//_/\_\\___|_| |_| *
* *
* The card game *
* *
* Copyright (C) 2011, Reiner Herrmann <reiner@reiner-h.de> *
* Mario Kilies <MarioKilies@GMX.net> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 3 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
* *
*****************************************************************************/
#include <stdlib.h>
#include <assert.h>
#include "table_stacks.h"
#include "card_stack.h"
#include "card.h"
#include "game.h"
/**
* Search index of table stack in which specified card is in
* @param[in] stack_list Pointer to list of stacks to search
* @param[in] c Card to search
* @return Index of table stack with specified card; invalid index (NUM_TABLE_STACKS) if none found
*/
const uint8_t get_stack_idx_for_card(const table_stacks_t* stack_list, const card c)
{
assert(stack_list != NULL);
uint8_t idx = NUM_TABLE_STACKS;
int16_t old_diff = MAX_CARD;
for(int i=0; i<NUM_TABLE_STACKS; i++)
{
card stackcard = card_stack_top(&stack_list->stacks[i]);
int16_t new_diff = c - stackcard;
assert(new_diff != 0);
if(new_diff < 0) // open card smaller than card on current stack
continue;
if(new_diff < old_diff)
{
old_diff = new_diff;
idx = i;
}
}
return idx;
}
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