140 lines
4.1 KiB
Java
140 lines
4.1 KiB
Java
package sae.chuzzle;
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import android.view.MotionEvent;
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import android.view.View;
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public class GestionnaireTactile implements View.OnTouchListener {
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private static final int NB_LIGNES = EtatJeu.NB_LIGNES;
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private static final int NB_COLONNES = EtatJeu.NB_COLONNES;
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private static final float SEUIL_DIRECTION_PX = 10f;
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private final VueGrille vueGrille;
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private final EtatJeu etatJeu;
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private final Controleur controleur;
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private float touchDebutX, touchDebutY;
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private int ligneTouchee, colonneTouchee;
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private Boolean estLigne;
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private int indexGlissement;
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private float decalagePx;
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private float tailleCase;
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public GestionnaireTactile(VueGrille vueGrille,
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EtatJeu etatJeu,
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Controleur controleur) {
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this.vueGrille = vueGrille;
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this.etatJeu = etatJeu;
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this.controleur = controleur;
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}
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@Override
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public boolean onTouch(View v, MotionEvent event) {
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if (etatJeu.estTerminee()) {
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return false;
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}
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switch (event.getAction()) {
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case MotionEvent.ACTION_DOWN:
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tailleCase = calculerTailleCase();
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gererDebut(event);
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return true;
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case MotionEvent.ACTION_MOVE:
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gererMouvement(event);
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return true;
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case MotionEvent.ACTION_UP:
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case MotionEvent.ACTION_CANCEL:
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gererFin(event.getAction() == MotionEvent.ACTION_UP);
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return true;
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}
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return false;
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}
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private void gererDebut(MotionEvent event) {
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touchDebutX = event.getX();
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touchDebutY = event.getY();
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estLigne = null;
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decalagePx = 0f;
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float margeGauche = (vueGrille.getWidth() - tailleCase * NB_COLONNES) / 2f;
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float margeHaut = (vueGrille.getHeight() - tailleCase * NB_LIGNES) / 2f;
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ligneTouchee = (int) ((touchDebutY - margeHaut) / tailleCase);
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colonneTouchee = (int) ((touchDebutX - margeGauche) / tailleCase);
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ligneTouchee = Math.max(0, Math.min(NB_LIGNES - 1, ligneTouchee));
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colonneTouchee = Math.max(0, Math.min(NB_COLONNES - 1, colonneTouchee));
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}
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private void gererMouvement(MotionEvent event) {
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float dx = event.getX() - touchDebutX;
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float dy = event.getY() - touchDebutY;
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if (estLigne == null) {
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if (Math.abs(dx) > SEUIL_DIRECTION_PX || Math.abs(dy) > SEUIL_DIRECTION_PX) {
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estLigne = Math.abs(dx) >= Math.abs(dy);
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if (estLigne) {
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indexGlissement = ligneTouchee;
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} else {
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indexGlissement = colonneTouchee;
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}
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} else {
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return;
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}
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}
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if (estLigne) {
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decalagePx = dx;
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} else {
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decalagePx = dy;
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}
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// Affiche le glissement réel du doigt (permet la rotation multi-cases)
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vueGrille.definirGlissement(estLigne, indexGlissement, decalagePx);
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}
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private void gererFin(boolean estRelachement) {
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if (estLigne == null) {
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vueGrille.annulerGlissement();
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return;
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}
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if (tailleCase <= 1f) {
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vueGrille.annulerGlissement();
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estLigne = null;
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return;
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}
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// Arrondi au nombre de cases le plus proche (permet ±1, ±2, ±3…)
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int nbCases = (int) Math.round(decalagePx / tailleCase);
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if (nbCases != 0 && estRelachement) {
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boolean accepte = etatJeu.appliquerCoup(estLigne, indexGlissement, nbCases);
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if (accepte) {
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controleur.rafraichirAffichage();
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controleur.verifierFinDePartie();
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}
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}
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vueGrille.annulerGlissement();
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estLigne = null;
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}
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private float calculerTailleCase() {
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float l = vueGrille.getWidth();
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float h = vueGrille.getHeight();
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if (l == 0 || h == 0) {
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return 1f;
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}
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return Math.min(l / NB_COLONNES, h / NB_LIGNES);
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}
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} |