diff options
| -rw-r--r-- | not/Selector.lua | 288 |
1 files changed, 52 insertions, 236 deletions
diff --git a/not/Selector.lua b/not/Selector.lua index 11e88d3..896f98f 100644 --- a/not/Selector.lua +++ b/not/Selector.lua @@ -1,272 +1,88 @@ --- `Selector` --- Used in Menu for selecting various things from list. Works for each Controller set or globally. ---[[ -How to use `Selector` in `Menu` config file? -selector:new(menu) - :setPosition(x, y) - :setMargin(8) -- each block has marigin on both sides; they do stack - :setSize(32, 32) -- size of single graphics frame - :set("list", require "nautslist") - :set("icons_i", love.graphics.newImage("assets/portraits.png")) - :set("icons_q", require "portraits") - :set("global", false) -- true: single selector; false: selector for each controller set present - :init() -]] +-- Element for selecting variable from list. Selector = require "not.Element":extends() Selector.DEFAULT_DELAY = 2 +Selector.SHAPE_PORTRAIT = 1 +Selector.SHAPE_PANORAMA = 2 -function Selector:new (parent) +function Selector:new (group, parent) Selector.__super.new(self, parent) - self.sprite, self.quads = parent:getSheet() - self.width = 0 - self.height = 0 - self.margin = 0 - self.focused = false - self.global = false + self.atlas, self.quads = parent:getSheet() + self.group = group self.delay = Selector.DEFAULT_DELAY - self.first = false - self.shape = "portrait" + self.shape = Selector.SHAPE_PORTRAIT + self.focused = false + self.locked = false + self.index = 1 end --- Size of single block +-- TODO: See `not/Element@getSize`. function Selector:getSize () - return self.width, self.height -end -function Selector:setSize (width, height) - self.width, self.height = width, height - return self -end - --- Spacing between two blocks -function Selector:getMargin () - return self.margin -end -function Selector:setMargin (margin) - self.margin = margin - return self -end - --- Initialize Selector with current settings. -function Selector:init () - -- Make sure that there is list present - if self.list == nil then - self.list = {} + if self.shape == Selector.SHAPE_PORTRAIT then + return 32, 32 end - -- Initialize global Selector - if self.global then - self.sets = {} - self.locks = {false} - self.selections = {1} - -- Initialize Selector for Controllers - else - self.sets = Controller.getSets() - self.locks = {} - self.selections = {} - for n=1,#self.sets do - self.locks[n] = false - self.selections[n] = 1 - end + if self.shape == Selector.SHAPE_PANORAMA then + return 80, 42 end - return self -end - --- Cycle through list on given number -function Selector:next (n) - local current = self.selections[n] - self:setSelection(n, current + 1) -end -function Selector:previous (n) - local current = self.selections[n] - self:setSelection(n, current - 1) end --- Get number associated with a given set -function Selector:checkNumber (set) - if self.global then return 1 end -- For global Selector - for n,check in pairs(self.sets) do - if check == set then return n end +--- Makes sure that n is in <1, total> range. +local +function limit (n, total) + if n > total then + return limit(n - total, total) end -end - --- Check if given number is locked -function Selector:isLocked (n) - local n = n or 1 - return self.locks[n] -end - --- Sets value of selection of given number. Returns old. -function Selector:setSelection (n, new) - -- Functception. It sounds like fun but it isn't. - local function limit(new, total) - if new > total then - return limit(new - total, total) - elseif new < 1 then - return limit(total + new, total) - else - return new - end + if n < 1 then + return limit(n + total, total) end - local n = n or 1 - local old = self.selections[n] - self.selections[n] = limit(new, #self.list) - return old + return n end --- Get value of selection of given number -function Selector:getSelection (n) - local n = n or 1 - return self.selections[n] -end - --- Get value from list by selection -function Selector:getListValue (i) - return self.list[i] -end - --- Checks if selection of given number is unique within Selector scope. -function Selector:isUnique (n) - local selection = self:getSelection(n) - for fn,v in pairs(self.selections) do - if fn ~= n and self:isLocked(fn) and v == selection then - return false - end - end - return true +--- Chooses item with an index. +-- @param index selected item's index +-- @return old index +function Selector:setIndex (index) + local old = self.index + self.index = limit(index, #self.list) + return old end --- Get list of selections, checks if not locked are allowed. -function Selector:getFullSelection (allowed) - local allowed = allowed - if allowed == nil then allowed = false end - local t = {} - for n,v in pairs(self.selections) do - local name = self:getListValue(self:getSelection(n)) - local locked = self:isLocked(n) - if locked or allowed then - local a = {name} - if self.sets[n] then table.insert(a, self.sets[n]) end - table.insert(t, a) - end - end - return t +--- Returns selected item's value. +-- @return item selected from list +function Selector:getSelected () + return self.list[self.index] end --- Rolls and returns random selection from list that is not locked. -function Selector:rollRandom (avoids) - -- Me: You should make it simpler. - -- Inner me: Nah, it works. Leave it. - -- Me: Ok, let's leave it as it is. - local avoids = avoids or {} - local total = #self.list - local random = love.math.random(1, total) - local eligible = true - for _,avoid in ipairs(avoids) do - if random == avoid then - eligible = false - break - end - end - if not eligible or self:isLocked(random) then - table.insert(avoids, random) - return self:rollRandom(avoid) - else - return random +--- Checks if selection is locked and returns item's value. +-- @return false if not locked, value from list if locked +function Selector:getLocked () + if self.locked then + return self:getSelected() end + return false end --- Draw single block of Selector -function Selector:drawBlock (n, x, y, scale) - if self.quads == nil or self.sprite == nil then return end - local x, y = x or 0, y or 0 - local name = self:getListValue(self:getSelection(n)) - local locked = self:isLocked(n) - local sprite = self.sprite - local quad = self.quads - local icon = self.icons_i - local iconq = self.icons_q[name] - local w,h = self:getSize() - local unique = self:isUnique(n) - if unique then - love.graphics.setColor(255, 255, 255, 255) - else - love.graphics.setColor(140, 140, 140, 255) - end - if not locked then - love.graphics.draw(sprite, quad[self.shape].normal, x*scale, y*scale, 0, scale, scale) - else - love.graphics.draw(sprite, quad[self.shape].active, x*scale, y*scale, 0, scale, scale) - end - love.graphics.draw(icon, iconq, (x+2)*scale, (y+3)*scale, 0, scale, scale) - if self.focused then - local dy = (h-6)/2 - if not locked then - love.graphics.draw(sprite, quad.arrow_l, (x+0-2-math.floor(self.delay))* scale, (y+dy)*scale, 0, scale, scale) - love.graphics.draw(sprite, quad.arrow_r, (x+w-4+math.floor(self.delay))*scale, (y+dy)*scale, 0, scale, scale) - else - love.graphics.draw(sprite, quad.arrow_r, (x+0-2-math.floor(self.delay))* scale, (y+dy)*scale, 0, scale, scale) - love.graphics.draw(sprite, quad.arrow_l, (x+w-4+math.floor(self.delay))*scale, (y+dy)*scale, 0, scale, scale) +--- Checks if Selected value is unique in group's scope. +function Selector:isUnique () + if self.group then + local locked = group:callEachBut(self, "getLocked") + for _,lock in pairs(locked) do + if lock then + return false + end end end - if (self:getSelection(n) ~= 1 or self.first) then - love.graphics.setFont(Font) - love.graphics.setColor(255, 255, 255, 255) - love.graphics.printf(string.upper(name), (x-w)*scale, (y+h+1)*scale, w*3, "center", 0, scale, scale) - end + return true end --- Menu callbacks -function Selector:focus () -- Called when Element gains focus +function Selector:focus () self.focused = true return true -end -function Selector:blur () -- Called when Element loses focus - self.focused = false -end - --- LÖVE2D callbacks -function Selector:draw (scale) - local x,y = self:getPosition() - local margin = self:getMargin() - local width = self:getSize() - x = x - #self.selections*0.5*(margin+margin+width) - for n=1,#self.selections do - self:drawBlock(n, x+(margin+width)*(n-1)+margin*n, y, scale) - end -end -function Selector:update (dt) - self.delay = self.delay + dt - if self.delay > Selector.DEFAULT_DELAY then - self.delay = self.delay - Selector.DEFAULT_DELAY - end end --- Controller callbacks --- TODO: Add action to perform when key is pressed and selector is locked in e.g. to move into character selection from map selection. -function Selector:controlpressed (set, action, key) - if set and self.focused then - local n = self:checkNumber(set) - local locked = self:isLocked(n) - if action == "left" and not locked then self:previous(n) end - if action == "right" and not locked then self:next(n) end - if action == "attack" then - local name = self:getListValue(self:getSelection(n)) - if name == "random" then - self:setSelection(n, self:rollRandom({1,2})) -- avoid empty naut - self.locks[n] = true - else - -- If not empty or if first is allowed. Additionaly must be unique selection. - if (self:getSelection(n) ~= 1 or self.first) and self:isUnique(n) then - self.locks[n] = true - end - end - end - if action == "jump" then - if locked then - self.locks[n] = false - end - end - end +function Selector:blur () + self.focused = false end return Selector |