Add function to close package advertisement modal

In addition, the interact function is rewritten for clarity and now
assures the image to be searched exists locally on the filesystem before
attempting a search.

This new package ad close is bound to <key>Esc</key> by default.

Closes #26

README.md

@@ -66,6 +66,8 @@ most customization features*!
   up)
 * <kbd>shift</kbd> + scroll-wheel-down : <kbd>Page Down</kbd>
   (for scrolling chat down)
+* <kbd>Esc</kbd> : Close the package advertisement modal window that appears
+  on login
 
 ##Features
 

hotkeys.ahk

@@ -103,6 +103,11 @@ Return
 	interact()
 Return
 
+; close advertisement with Esc
+Esc::
+	closeAd()
+Return
+
 ; shift+scroll through the chat log with the in-game keybinds
 +WheelUp::
 	scrollChat("up")

realmscript.ahk

@@ -31,6 +31,7 @@ STARTUP:
 	FileInstall, img/change-high.png, img/change-high.png, 1
 	FileInstall, img/change-med.png, img/change-med.png, 1
 	FileInstall, img/change-low.png, img/change-low.png, 1
+	FileInstall, img/choose-low.png, img/choose-low.png, 1
 	FileInstall, img/enter-high.png, img/enter-high.png, 1
 	FileInstall, img/enter-med.png, img/enter-med.png, 1
 	FileInstall, img/enter-low.png, img/enter-low.png, 1
@@ -237,6 +238,33 @@ interact() {
 	stretched := false
 }
 
+closeAd() {
+	MouseGetPos, mousePosX, mousePosY
+	WinGetPos, , , winSizeX, winSizeY, A
+	stretched := !imageQualitySearch("close", imageLocX, imageLocY)
+	if (stretched) {
+		clientButtonX := 637
+		clientButtonY := 104
+		stretchedWindowPosition(clientButtonX, clientButtonY, stretchedX, stretchedY)
+		windowPosToClientPos(stretchedX, stretchedY, buttonCenterX, buttonCenterY)
+	} else {
+		imageSearchSizeX := 24
+		imageSearchSizeY := 25
+		windowPosToClientPos(imageLocX, imageLocY, posX, posY)
+		buttonCenterX := posX + Floor(imageSearchSizeX / 2)
+		buttonCenterY := posY + Floor(imageSearchSizeY / 2)
+	}
+	BlockInput, on
+	CoordMode, Mouse, Client
+	MouseMove, buttonCenterX, buttonCenterY
+	SendEvent {LButton Down}
+	SendEvent {LButton Up}
+	CoordMode, Mouse, Window
+	MouseMove, mousePosX, mousePosY
+	BlockInput, off
+	stretched := false
+}
+
 ; item swap function
 ; move the mouse to the correct slot, double-click, and move it back
 invSwap(slot) {
@@ -299,18 +327,29 @@ invSwap(slot) {
 ;                   imageLocX and imageLocY will not be set.
 imageQualitySearch(imageName, byref imageLocX, byref imageLocY) {
 	WinGetPos, , , winSizeX, winSizeY, A ; winSizeX/Y have window size
-	ImageSearch, imageLocX, imageLocY, 0, 0, %winSizeX%, %winSizeY%
-		, img\%imageName%-low.png
-	if ErrorLevel {
-		ImageSearch, imageLocX, imageLocY, 0, 0, %winSizeX%, %winSizeY%
-			, img\%imageName%-high.png
-		if ErrorLevel {
+
+	; start with lowest quality level, and work up to high
+	imageQuality := "low"
+	ErrorLevel := 1
+	while ErrorLevel {
+		IfExist, img\%imageName%-%imageQuality%.png
+		{
 			ImageSearch, imageLocX, imageLocY, 0, 0, %winSizeX%, %winSizeY%
-				, img\%imageName%-med.png
-			if ErrorLevel {
-				; stretched screen or image not found
-				return false
-			}
+			  , img\%imageName%-%imageQuality%.png
+		}
+		IfNotExist, img\%imageName%-%imageQuality%.png
+		{
+			return false
+		}
+
+		; increment quality for potential future image searches
+		if (imageQuality == "low"){
+			imageQuality := "med"
+		} else if (imageQuality == "med") {
+			imageQuality := "high"
+		} else if (imageQuality == "high") {
+			; stretched screen
+			return false
 		}
 	}
 	return true