engine/bin/data/entities/gui/mainmenu/scripts/menu.lua

247 lines
6.8 KiB
Lua

Static = {
values = {},
get = function( obj )
if Static.values[""..obj:uid()] == nil then
Static.values[""..obj:uid()] = {}
end
return Static.values[""..obj:uid()]
end
}
local ent = ent
local scene = entities.currentScene()
local controller = entities.controller()
local camera = controller:getComponent("Camera")
local metadataJson = ent:getComponent("Metadata")
local metadata = ent:getComponent("GuiBehavior::Metadata")
local masterdata = scene:getComponent("Metadata")
local soundEmitter = ent:loadChild("./sound.json",true)
local children = {
mainText = ent:loadChild("./main-text.json",true),
circleOut = ent:loadChild("./circle-out.json",true),
circleIn = ent:loadChild("./circle-in.json",true),
start = ent:loadChild("./start.json",true),
quit = ent:loadChild("./quit.json",true),
}
local timer = Timer.new()
if not timer:running() then timer:start() end
local playSound = function( key )
local url = "/ui/" .. key .. ".ogg"
soundEmitter:callHook("sound:Emit.%UID%", { filename = url })
-- local assetLoader = scene:getComponent("Asset")
-- assetLoader:cache(ent:formatHookName("asset:Load.%UID%"), string.resolveURI(url))
end
local destination = function( obj, x, y, z )
local static = Static.get(obj)
local transform = obj:getComponent("Transform")
static.from = Vector3f(x or transform.position.x, y or transform.position.y, z or transform.position.z)
end
--[[
pcall( function()
local metadata = controller:getComponent("Metadata")
local json = json.readFromFile("./data/entities/player.json");
controller:callHook("object:UpdateMetadata.%UID%", {
overlay = json["metadata"]["overlay"]
})
camera:update(true);
end )
]]
destination(children.mainText, nil, -2, 0)
destination(children.circleOut, nil, -2, 0)
destination(children.circleIn, nil, 2, 0)
destination(children.start, -1.5, nil, 0)
destination(children.quit, -1.5, nil, 0)
ent:addHook("asset:Load.%UID%", function( json )
local filename = json["filename"]
if filename == "" or string.extension( filename ) ~= "ogg" then return false end
local sfx = ent:getComponent("Audio")
if not sfx:playing() then sfx:stop() end
sfx:load( filename )
sfx:setVolume( masterdata["volumes"]["sfx"] )
sfx:play()
return true
end )
local selectableElements = {
children.start,
children.quit,
}
local selectableElementColors = {}
local selectedElement = 0
local selectionColor = Vector4f( 1, 0, 1, 1 )
local INPUT_DELAY = 0.2
local function array_index_of( haystack, needle )
for i, v in ipairs(haystack) do
if v == needle then
return i
end
end
return 0
end
local function onHover( payload )
playSound( "buttonrollover" )
selectedElement = 0
end
local function onClick( payload )
playSound( "buttonclickrelease" )
end
for i, v in ipairs( selectableElements ) do
selectableElementColors[i] = nil
v:addHook("gui:HoverStart.%UID%", onHover )
v:addHook("gui:ClickStart.%UID%", onClick )
end
local function handleSelectionIndex()
if (inputs.key("L_DPAD_UP") or inputs.key("Up")) and timer:elapsed() >= INPUT_DELAY then
timer:reset()
-- nothing is selected
if selectedElement == 0 then
-- set to bottom
selectedElement = #selectableElements
else
selectedElement = selectedElement - 1
-- wrap to bottom
if selectedElement <= 0 then
selectedElement = #selectableElements
end
end
playSound( "buttonrollover" )
end
if (inputs.key("L_DPAD_DOWN") or inputs.key("Down")) and timer:elapsed() >= INPUT_DELAY then
timer:reset()
-- nothing is selected
if selectedElement == 0 then
-- set to top
selectedElement = 1
else
selectedElement = selectedElement + 1
-- wrap to top
if selectedElement > #selectableElements then
selectedElement = 1
end
end
playSound( "buttonrollover" )
end
end
local function updateVisuals(self, dt)
local static = Static.get(self)
if not static.alpha then
static.alpha = 0
end
if static.alpha >= 1.0 then
static.alpha = 1.0
else
static.alpha = static.alpha + dt * 1.5
end
if dt > 0 then
metadata.initialized = true
end
-- make background glow
local glow = 1 + math.sin(1.25 * time.current()) * 0.125
metadata.color.x = glow
metadata.color.y = glow
metadata.color.z = glow
metadata.color.w = static.alpha
camera:update(true);
-- iterate children in batch
for k, v in pairs(children) do
if v:uid() <= 0 then goto continue end
local metadata = v:getComponent("GuiBehavior::Metadata")
local index = array_index_of( selectableElements, v )
-- mark element as hovered if selected
if 0 < selectedElement and selectedElement <= #selectableElements then
if 0 < index and index <= #selectableElements then
metadata.hovered = index == selectedElement
end
end
if metadata.clickable then
-- backup color
if selectableElementColors[index] == nil then
selectableElementColors[index] = Vector4f(metadata.color)
end
-- color for selection
if metadata.hovered then
metadata.color = selectionColor
-- simulate click on input press
if (inputs.key("A") or inputs.key("START") or inputs.key("Enter")) and timer:elapsed() >= INPUT_DELAY then
timer:reset()
--playSound( "buttonclickrelease" )
v:callHook("gui:Clicked.%UID%", {})
end
else
metadata.color = selectableElementColors[index]
end
end
-- set alpha
metadata.color.w = static.alpha
local transform = v:getComponent("Transform")
local static = Static.get(v)
-- translation
if not static.from then goto continue end
if not static.to then static.to = Vector3f(transform.position) end
if not static.delta then static.delta = 0 end
if static.delta >= 1 then
static.delta = 1
else
static.delta = static.delta + dt * 1.5
transform.position = Vector3f.lerp( static.from, static.to, static.delta )
end
::continue::
end
-- circle in
child = children.circleIn
if child:uid() > 0 then
local static = Static.get( child )
local transform = child:getComponent("Transform")
local metadata = child:getComponent("GuiBehavior::Metadata")
local speed = metadata.hovered and 0.25 or 0.0125
static.time = (static.time or 0) + dt * -speed
transform.orientation = Quaternion.axisAngle( Vector3f(0, 0, 1), static.time )
end
-- circle out
child = children.circleOut
if child:uid() > 0 then
local static = Static.get( child )
local transform = child:getComponent("Transform")
local metadata = child:getComponent("GuiBehavior::Metadata")
local speed = metadata.hovered and 0.25 or 0.0125
static.time = (static.time or 0) + dt * speed
transform.orientation = Quaternion.axisAngle( Vector3f(0, 0, 1), static.time )
end
end
updateVisuals(ent, 0)
ent:bind( "tick", function(self)
handleSelectionIndex()
updateVisuals(self, time.delta())
end )