From e27357cadd54bf9fa0fb87945a19f16bd478b7d9 Mon Sep 17 00:00:00 2001
From: thmaillarb <theotime.maillarbaux@etu.uca.fr>
Date: Mon, 6 Dec 2021 11:34:53 +0100
Subject: [PATCH] Added IslandOrBridge + converter

---
 Pontu/include/model/IslandOrBridge.h | 42 ++++++++++++++++++++++++++++
 Pontu/src/model/IslandOrBridge.c     | 32 +++++++++++++++++++++
 2 files changed, 74 insertions(+)
 create mode 100644 Pontu/include/model/IslandOrBridge.h
 create mode 100644 Pontu/src/model/IslandOrBridge.c

diff --git a/Pontu/include/model/IslandOrBridge.h b/Pontu/include/model/IslandOrBridge.h
new file mode 100644
index 0000000..e9ceccb
--- /dev/null
+++ b/Pontu/include/model/IslandOrBridge.h
@@ -0,0 +1,42 @@
+/**
+ * \file IslandOrBridge.h
+ * \brief Used to convert board coordinates into usable ones
+ * \author Théotime Maillarbaux
+ * \date 06/12/2021
+ */
+
+#ifndef ISLANDORBRIDGE_H
+#define ISLANDORBRIDGE_H
+
+#include "model/Coord.h"
+
+/**
+ * \enum EntityType
+ * \brief Indicates which entity was clicked.
+ */
+typedef enum {
+	WATER, ///< Nothing in particular was clicked
+	ISLAND, ///< An Island was clicked
+	VBRIDGE, ///< A vertical bridge was clicked
+	HBRIDGE ///< A horizontal bridge was clicked
+} EntityType;
+
+/**
+ * \struct IslandOrBridge
+ * \brief Represents a set of coordinates coherent with the CoordType.
+ */
+typedef struct {
+	int x; ///< The coordinate on the X-axis.
+	int y; ///< The coordinate on the Y-axis.
+	EntityType type; ///< The type of the entity clicked.
+} IslandOrBridge;
+
+/**
+ * \brief Converts a set of board coordinates into a usable set of coordinates.
+ * \param[in] c The set of board coordinates.
+ * \return An IslandOrBridge struct with coherent coordinates with the type of entity.
+ */
+IslandOrBridge coordToEntity(Coord c);
+
+#endif // ISLANDORBRIDGE_H
+
diff --git a/Pontu/src/model/IslandOrBridge.c b/Pontu/src/model/IslandOrBridge.c
new file mode 100644
index 0000000..dcc2a4d
--- /dev/null
+++ b/Pontu/src/model/IslandOrBridge.c
@@ -0,0 +1,32 @@
+#include "model/IslandOrBridge.h"
+
+IslandOrBridge(Coord c) {
+	IslandOrBridge res;
+
+	if (c.x % 2 == 0) {
+		if (c.y % 2 == 0) {
+			// Island
+			res.x = c.x/2;
+			res.y = c.y/2;
+			res.type = ISLAND;
+		} else { // c.y % 2 != 0
+			// Vertical bridge
+			res.x = c.x/2;
+			res.y = c.y - 1;
+			res.type = VBRIDGE;
+		}
+	} else { // c.x % 2 != 0
+		if (c.y % 2 == 0) {
+			// Horizontal bridge
+			res.x = c.x - 1;
+			res.y = c.y / 2;
+			res.type = HBRIDGE;
+		} else { // c.y % 2 != 0
+			// Nothing in particular
+			res.type = WATER;
+		}
+	}
+
+	return res;
+}
+