put engine in own folder

src/ui.lua

@@ -1,113 +0,0 @@
-local ui = {}
-
-ui.relevantKeys = { "return", "up", "down" }
-
-ui.height = 240
-ui.fullMessage = ""
-ui.active = false
-
-ui.border = 10
-
-ui.textLines = {}
-ui.startLine = 1
-ui.endLine = 1
-
-local font = love.graphics.newFont("assets/ui/font.ttf", 24)
-love.graphics.setFont(font)
-
-function ui:showMessage(message)
-  ui.active = true
-
-  local maxLines = math.floor((ui.height - ui.border) / font:getHeight())
-  local fullLines = font:getWrap(ui.fullMessage, windowWidth - ui.border)
-  
-  ui.textLines = {}
-  
-  local fullIndex = 1
-  local messageTail = message
-  
-  while not endsWith(messageTail, ui.textLines[#ui.textLines]) do
-    fullIndex, line, messageTail = ui:getMaxString(string.sub(messageTail, fullIndex))
-    fullIndex = fullIndex + 1 -- account for the following space
-
-    table.insert(ui.textLines, line)
-  end
-
-  ui.endLine = maxLines
-  
-  ui:setLineRange(ui.startLine, ui.endLine)
-end
-
-function ui:setLineRange(startLine, endLine)
-  ui.fullMessage = ""
-  
-  if endLine > #ui.textLines then endLine = #ui.textLines end
-
-  for index = startLine, endLine, 1 do
-    ui.fullMessage = ui.fullMessage .. ui.textLines[index]
-  end
-end
-
-function endsWith(s, send)
-  if not send then return false end
-  return #s >= #send and s:find(send, #s-#send+1, true) and true or false
-end
-
-function ui:getMaxString(stringTail)
-  local index = string.len(stringTail)
-  local width = font:getWidth(string.sub(stringTail, 1, index))
-
-  local needsCutting = width > windowWidth - ui.border
-  
-  while width > windowWidth - ui.border do
-    width = font:getWidth(string.sub(stringTail, 1, index))
-    index = index - 1
-  end
-
-  if needsCutting and 
-     string.sub(stringTail, index + 1, index + 1) ~= " " then
-    local cursor = "!"
-    while cursor ~= " " and cursor ~= "" do
-      index = index - 1
-      cursor = string.sub(stringTail, index, index)
-    end
-  end
-
-  return index, string.sub(stringTail, 1, index), stringTail
-end
-
-function ui:draw()
-  if ui.active then
-    love.graphics.setColor(255, 255, 255, 150)
-    love.graphics.rectangle("fill", 0, windowHeight - ui.height, windowWidth, ui.height)
-
-    love.graphics.setColor(55, 60, 60, 255)
-    love.graphics.printf(ui.fullMessage, ui.border, windowHeight - ui.height + ui.border, windowWidth - ui.border)
-  end
-end
-
-function ui:sendKey(key)
-  if key == "up" then
-    if ui.startLine > 1 then
-      ui.startLine = ui.startLine - 1
-      ui.endLine = ui.endLine - 1
-      
-      ui:setLineRange(ui.startLine, ui.endLine)
-    end
-  end
-  
-  if key == "down" then
-    if ui.endLine < #ui.textLines then
-      ui.startLine = ui.startLine + 1
-      ui.endLine = ui.endLine + 1
-      
-      ui:setLineRange(ui.startLine, ui.endLine)
-    end
-  end
-  
-  if key == "return" then
-    ui.active = false
-  end
-end
-
-return ui