HDB: Add _fairystones functions

2 files changed, 24 insertions, 0 deletions

diff --git a/engines/hdb/ai-lists.cpp b/engines/hdb/ai-lists.cpp
index d6534cc6cf..890b943ab9 100644
--- a/engines/hdb/ai-lists.cpp
+++ b/engines/hdb/ai-lists.cpp
@@ -236,6 +236,24 @@ void AI::animateBridges() {
 	}
 }
 
+void AI::addToFairystones(int index, int tileX, int tileY, int sourceOrDest) {
+	if (!sourceOrDest) {
+		_fairystones[index].srcX = tileX;
+		_fairystones[index].srcY = tileY;
+	} else {
+		_fairystones[index].destX = tileX;
+		_fairystones[index].destY = tileY;
+	}
+}
+
+int AI::checkFairystones(int tileX, int tileY) {
+	int i;
+	for (i = 0; i < kMaxFairystones; i++)
+		if (_fairystones[i].destX == tileX && _fairystones[i].destY == tileY)
+			return i;
+	return -1;
+}
+
 // Add an action location to the list of possible actions
 // Each action must be paired with another of the same number
 void AI::addToActionList(int actionIndex, int x, int y, char *luaFuncInt, char *luaFuncUse) {
diff --git a/engines/hdb/ai.h b/engines/hdb/ai.h
index 3ac60cac16..f7d42e6089 100644
--- a/engines/hdb/ai.h
+++ b/engines/hdb/ai.h
@@ -848,6 +848,12 @@ public:
 
 	void addBridgeExtend(int x, int y, int bridgeType);
 	void animateBridges();
+	void addToFairystones(int index, int tileX, int tileY, int sourceOrDest);
+	int checkFairystones(int tileX, int tileY);
+	void getFairystonesSrc(int index, int *tileX, int *tileY) {
+		*tileX = _fairystones[index].srcX;
+		*tileY = _fairystones[index].srcY;
+	}
 
 	AIEntity *playerCollision(int topBorder, int bottomBorder, int leftBorder, int rightBorder);
 	bool checkPlayerTileCollision(int x, int y);