update.h File Reference

This file defines the state update function headers. More...

#include <vector>
#include "round.h"
#include "state.h"

Go to the source code of this file.

Functions
void	update_state (const Settings &settings, State &state, const Question &question, const Answer &answer)
	Update the state of the game according to the question asked and the answer which is given. More...

Detailed Description

This file defines the state update function headers.

Definition in file update.h.

Function Documentation

update_state()

void update_state	(	const Settings &	settings,
		State &	state,
		const Question &	question,
		const Answer &	answer
	)

Update the state of the game according to the question asked and the answer which is given.

• If the player onturn does not have have a set restriction for the asked set yet, give it a set restriction of one.
• If the answer is true.
  • Update the set restrictions.
    • Increase the player onturn's set restriction by one.
    • Decrease the player asked set restriction by one (not lower than 0).
  • Update who has the card which is asked.
    • Set the card's player status only to true for the onturn player.
  • Update the number of cards the players have.
    • Increase the player onturn's card count by one.
    • Decrease the player asked card count by one.
  • Update the quartets.
    • Call function update_quartets.
• If the answer is false.
  • Update who has the card which is asked.
    • Set the card's player status false for the onturn player.
    • Set the card's player status false for the asked player.
  • Change onturn.
    • Switch onturn to the player asked.

See also

update_quartets

Definition at line 155 of file update.cpp.

{
    const int card = question.set * settings.SET_SIZE + question.card;
 
    // update the set restriction of the player onturn
    int *set = &state.players[state.onturn].sets[question.set];
    if (*set == 0) *set = 1;
 
    if (answer) {
        // update the set restrictions
        state.players[state.onturn].sets[question.set] += 1;
        int *set = &state.players[question.player].sets[question.set];
        if (*set > 0) *set -= 1;
 
        // update who has the card which is asked
        state.cards[card].players = std::vector<bool>(settings.NUM_PLAYERS, false);
        state.cards[card].players[state.onturn] = true;
 
        // update the number of cards the players have
        state.players[state.onturn].num_cards += 1;
        state.players[question.player].num_cards -= 1;
 
        // update the quartets
        update_quartets(settings, state, question);
    } else {
        // update who could have the card which is asked
        state.cards[card].players[state.onturn] = false;
        state.cards[card].players[question.player] = false;
 
        // update the turn
        state.onturn = question.player;
    }
}