src/meeple.c


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#include "meeple.h"

void refresh_meeple_map(BoardUnit* board, int* meeple_map) {
  for (int i = 0; i < MAX_STRUCTURES * PLAYERS; i++) meeple_map[i] = 0;

  for (int i = 0; i < BOARD_UNITS; i++) {
    if (board[i].meeple) {
      meeple_map[board[i].structure_group * PLAYERS + (board[i].meeple - 1)]++;
    }
  }
}

int is_allowed_meeple(int meeple, int index, BoardUnit* board, int* meeple_map) {
  if (board[index].meeple
    || board[index].feature == 'F'
    || board[index].feature == ANY
    || board[index].feature == SEPARATOR
  ) return 0;

  int dominator = get_structure_dominator(board[index].structure_group, meeple_map);
  return dominator == meeple || dominator == 0;
}

int get_structure_dominator(int structure_group, int* meeple_map) {
  int dominator = 0;
  int dominator_meeples = 0;

  for (int player = 0; player < PLAYERS; player++) {
    int meeples = meeple_map[structure_group * PLAYERS + player];
    if (meeples > dominator_meeples) {
      dominator_meeples = meeples;
      dominator = player + 1;
    }
  }
  return dominator;
}