Simple message windows allow options.

src/config/constants.ms

@@ -4,16 +4,16 @@
 PIXEL_WIDTH = 960
 PIXEL_HEIGHT = 640
 TILE_SIZE = 16
-TILE_DISPLAY_WIDTH = PIXEL_WIDTH / TILE_SIZE
-TILE_DISPLAY_HEIGHT = PIXEL_HEIGHT / TILE_SIZE
+TILE_DISPLAY_WIDTH = floor(PIXEL_WIDTH / TILE_SIZE)
+TILE_DISPLAY_HEIGHT = floor(PIXEL_HEIGHT / TILE_SIZE)
 TILE_DISPLAY_XMAX = TILE_DISPLAY_WIDTH - 1
 TILE_DISPLAY_YMAX = TILE_DISPLAY_HEIGHT - 1
 TILE_INDEX_SOLID = 219
 
 UI_FONT_WIDTH = 16
 UI_FONT_HEIGHT = 24
-UI_DISPLAY_WIDTH = PIXEL_WIDTH / UI_FONT_WIDTH
-UI_DISPLAY_HEIGHT = PIXEL_HEIGHT / UI_FONT_HEIGHT
+UI_DISPLAY_WIDTH = floor(PIXEL_WIDTH / UI_FONT_WIDTH)
+UI_DISPLAY_HEIGHT = floor(PIXEL_HEIGHT / UI_FONT_HEIGHT)
 UI_DISPLAY_XMAX = UI_DISPLAY_WIDTH - 1
 UI_DISPLAY_YMAX = UI_DISPLAY_HEIGHT - 1
 

src/factories/entities.ms

@@ -91,7 +91,14 @@ makeSimpleVillager = function(map, pnt)
  end function
 
  e.examineOverride = function()
- ui.showMessage(phrases.getRandom(), e.name)
+ message = phrases.getRandom()
+ options = [
+ "That's nice.",
+ "Bugger off.",
+ "You don't say?",
+ ]
+ result = ui.showMessage(message, options, e.name)
+ Service.messages.report("You said: '{0}'".fill([ options[result] ]))
  return true
  end function
 

src/ui.ms

@@ -130,6 +130,6 @@ examine = function(entities)
  return (new ui.ExamineWindow).examine(entities)
 end function
 
-showMessage = function(message, title="Message")
- ui.MessageWindow.make(message, title).show()
+showMessage = function(message, options, title="Message")
+ return ui.MessageWindow.make(message, options, title).show()
 end function

src/ui/MessageWindow.ms

@@ -1,32 +1,82 @@
 MessageWindow = {}
 
-MessageWindow.make = function(message, title)
+MessageWindow.make = function(message, options, title)
  wnd = (new MessageWindow)
  wnd.bounds = rect.make(4, 4, constants.UI_DISPLAY_WIDTH - 4 * 2, constants.UI_DISPLAY_HEIGHT - 4 * 2)
  wnd.title = title
  wnd.message = message
+
+ wnd.selectedOptionIndex = 0
+ if options == null or options.len == 0 then
+ wnd.options = [ "OK" ]
+ else
+ wnd.options = options
+ end if
+
  return wnd
 end function
 
+MessageWindow.drawOption = function(optionIndex, isSelected)
+ // a=Color.white
+ // b=Color.black
+ innerBounds = self.messageBounds
+ text = self.options[optionIndex]
+ yDelta = self.options.len - optionIndex - 2
+
+ // c=Color.blue.light
+ Display.hud.print(text, innerBounds.left + 2, innerBounds.top + 1 + yDelta, Color.white, Color.black)
+
+ if isSelected then
+ Display.hud.print(">", innerBounds.left, innerBounds.top + 1 + yDelta, Color.blue.light, Color.black)
+ end if
+end function
+
+MessageWindow.drawOptions = function()
+ for n in range(self.options.len - 1)
+ isSelected = (self.selectedOptionIndex == n)
+ // globals.err=[self.selectedOptionIndex, isSelected, n]
+ self.drawOption(n, isSelected)
+ end for 
+end function
+
 MessageWindow.draw = function()
  ui.drawWindow(Display.hud, self.bounds, self.title)
  lineCount = ui.drawText(Display.hud, self.message, self.messageBounds)
+
+ self.drawOptions()
 end function
 
 // Returns the index of the selected item.
 MessageWindow.show = function()
- self.draw
+ self.draw()
 
  result = null
  while true
  delta = 0
  k = key.get.code
- if keybindings.exit.contains(k) then
+ if keybindings.up.contains(k) then
+ delta = -1
+ else if keybindings.down.contains(k) then
+ delta = 1
+ else if keybindings.exit.contains(k) then
+ result = -1
  break
  else if keybindings.select.contains(k) then
+ result = self.selectedOptionIndex
  break
  end if
+
+ if delta != 0 then
+ self.selectedOptionIndex += delta
+ if self.selectedOptionIndex < 0 or self.selectedOptionIndex >= self.options.len then
+ self.selectedOptionIndex -= delta
+ else
+ self.draw()
+ end if
+ end if
  end while
+
+ return result
 end function
 
 MessageWindow.messageBounds = function()