From ba91038011715addfee8072f1b971050a16ab888 Mon Sep 17 00:00:00 2001
From: pm240836 <mathis.poirette@gmail.com>
Date: Mon, 20 Apr 2026 10:56:54 +0000
Subject: [PATCH] =?UTF-8?q?Cr=C3=A9ation=20des=20fonctions=20de=20placemen?=
 =?UTF-8?q?t=20des=20pieces=20(normaliser,=20rotations,=20miroir=20)?=
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---
 puzzle.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/puzzle.c b/puzzle.c
index 17ac476..2a79bd6 100644
--- a/puzzle.c
+++ b/puzzle.c
@@ -37,3 +37,54 @@ Dimensions calculer_dimensions(uint64_t piece) {
     dim.hauteur = max_row - min_row + 1;
     return dim;
 }
+
+//Normaliser (ramener la pièce en haut à gauche)
+uint64_t normaliser(uint64_t piece) {
+    if (piece == 0) return 0;
+    int min_r = 8, min_c = 8;
+
+    for (int r = 0; r < 8; r++) {
+        for (int c = 0; c < 8; c++) {
+            if (piece & BIT(r, c)) {
+                if (r < min_r) min_r = r;
+                if (c < min_c) min_c = c;
+            }
+        }
+    }
+
+    uint64_t res = 0;
+    for (int r = 0; r < 8; r++) {
+        for (int c = 0; c < 8; c++) {
+            if (piece & BIT(r, c)) {
+                res |= BIT(r - min_r, c - min_c);
+            }
+        }
+    }
+    return res;
+}
+
+//Rotation 90°
+uint64_t rotation_90(uint64_t piece) {
+    uint64_t res = 0;
+    for (int r = 0; r < 8; r++) {
+        for (int c = 0; c < 8; c++) {
+            if (piece & BIT(r, c)) {
+                res |= BIT(c, 7 - r);
+            }
+        }
+    }
+    return normaliser(res);
+}
+
+//Miroir
+uint64_t miroir_horizontal(uint64_t piece) {
+    uint64_t res = 0;
+    for (int r = 0; r < 8; r++) {
+        for (int c = 0; c < 8; c++) {
+            if (piece & BIT(r, c)) {
+                res |= BIT(r, 7 - c);
+            }
+        }
+    }
+    return normaliser(res); 
+}
-- 
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