mirror of
https://github.com/linux-man/LoveFrames.git
synced 2024-11-18 16:04:22 +00:00
296 lines
7.6 KiB
Lua
296 lines
7.6 KiB
Lua
--[[------------------------------------------------
|
|
-- Love Frames - A GUI library for LOVE --
|
|
-- Copyright (c) 2013 Kenny Shields --
|
|
--]]------------------------------------------------
|
|
|
|
-- util library
|
|
loveframes.util = {}
|
|
|
|
--[[---------------------------------------------------------
|
|
- func: SetActiveSkin(name)
|
|
- desc: sets the active skin
|
|
--]]---------------------------------------------------------
|
|
function loveframes.util.SetActiveSkin(name)
|
|
|
|
loveframes.config["ACTIVESKIN"] = name
|
|
|
|
end
|
|
|
|
--[[---------------------------------------------------------
|
|
- func: GetActiveSkin()
|
|
- desc: gets the active skin
|
|
--]]---------------------------------------------------------
|
|
function loveframes.util.GetActiveSkin()
|
|
|
|
local index = loveframes.config["ACTIVESKIN"]
|
|
local skin = loveframes.skins.available[index]
|
|
|
|
return skin
|
|
|
|
end
|
|
|
|
--[[---------------------------------------------------------
|
|
- func: BoundingBox(x1, x2, y1, y2, w1, w2, h1, h2)
|
|
- desc: checks for a collision between two boxes
|
|
- note: i take no credit for this function
|
|
--]]---------------------------------------------------------
|
|
function loveframes.util.BoundingBox(x1, x2, y1, y2, w1, w2, h1, h2)
|
|
|
|
if x1 > x2 + w2 - 1 or y1 > y2 + h2 - 1 or x2 > x1 + w1 - 1 or y2 > y1 + h1 - 1 then
|
|
return false
|
|
else
|
|
return true
|
|
end
|
|
|
|
end
|
|
|
|
--[[---------------------------------------------------------
|
|
- func: loveframes.util.GetCollisions(object, table)
|
|
- desc: gets all objects colliding with the mouse
|
|
--]]---------------------------------------------------------
|
|
function loveframes.util.GetCollisions(object, t)
|
|
|
|
local x, y = love.mouse.getPosition()
|
|
local curstate = loveframes.state
|
|
local object = object or loveframes.base
|
|
local visible = object.visible
|
|
local children = object.children
|
|
local internals = object.internals
|
|
local objectstate = object.state
|
|
local t = t or {}
|
|
|
|
if objectstate == curstate and visible then
|
|
local objectx = object.x
|
|
local objecty = object.y
|
|
local objectwidth = object.width
|
|
local objectheight = object.height
|
|
local col = loveframes.util.BoundingBox(x, objectx, y, objecty, 1, objectwidth, 1, objectheight)
|
|
local collide = object.collide
|
|
if col and collide then
|
|
local clickbounds = object.clickbounds
|
|
if clickbounds then
|
|
local cx = clickbounds.x
|
|
local cy = clickbounds.y
|
|
local cwidth = clickbounds.width
|
|
local cheight = clickbounds.height
|
|
local clickcol = loveframes.util.BoundingBox(x, cx, y, cy, 1, cwidth, 1, cheight)
|
|
if clickcol then
|
|
table.insert(t, object)
|
|
end
|
|
else
|
|
table.insert(t, object)
|
|
end
|
|
end
|
|
if children then
|
|
for k, v in ipairs(children) do
|
|
loveframes.util.GetCollisions(v, t)
|
|
end
|
|
end
|
|
if internals then
|
|
for k, v in ipairs(internals) do
|
|
local type = v.type
|
|
if type ~= "tooltip" then
|
|
loveframes.util.GetCollisions(v, t)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
return t
|
|
|
|
end
|
|
|
|
--[[---------------------------------------------------------
|
|
- func: loveframes.util.GetAllObjects(object, table)
|
|
- desc: gets all active objects
|
|
--]]---------------------------------------------------------
|
|
function loveframes.util.GetAllObjects(object, t)
|
|
|
|
local object = object or loveframes.base
|
|
local internals = object.internals
|
|
local children = object.children
|
|
local t = t or {}
|
|
|
|
table.insert(t, object)
|
|
|
|
if internals then
|
|
for k, v in ipairs(internals) do
|
|
loveframes.util.GetAllObjects(v, t)
|
|
end
|
|
end
|
|
|
|
if children then
|
|
for k, v in ipairs(children) do
|
|
loveframes.util.GetAllObjects(v, t)
|
|
end
|
|
end
|
|
|
|
return t
|
|
|
|
end
|
|
|
|
--[[---------------------------------------------------------
|
|
- func: GetDirectoryContents(directory, table)
|
|
- desc: gets the contents of a directory and all of
|
|
its subdirectories
|
|
--]]---------------------------------------------------------
|
|
function loveframes.util.GetDirectoryContents(dir, t)
|
|
|
|
local dir = dir
|
|
local t = t or {}
|
|
local files = love.filesystem.enumerate(dir)
|
|
local dirs = {}
|
|
|
|
for k, v in ipairs(files) do
|
|
local isdir = love.filesystem.isDirectory(dir.. "/" ..v)
|
|
if isdir == true then
|
|
table.insert(dirs, dir.. "/" ..v)
|
|
else
|
|
local parts = loveframes.util.SplitString(v, "([.])")
|
|
local extension = parts[#parts]
|
|
parts[#parts] = nil
|
|
local name = table.concat(parts)
|
|
table.insert(t, {path = dir, fullpath = dir.. "/" ..v, requirepath = dir .. "." ..name, name = name, extension = extension})
|
|
end
|
|
end
|
|
|
|
if #dirs > 0 then
|
|
for k, v in ipairs(dirs) do
|
|
t = loveframes.util.GetDirectoryContents(v, t)
|
|
end
|
|
end
|
|
|
|
return t
|
|
|
|
end
|
|
|
|
|
|
--[[---------------------------------------------------------
|
|
- func: Round(num, idp)
|
|
- desc: rounds a number based on the decimal limit
|
|
- note: i take no credit for this function
|
|
--]]---------------------------------------------------------
|
|
function loveframes.util.Round(num, idp)
|
|
|
|
local mult = 10^(idp or 0)
|
|
|
|
if num >= 0 then
|
|
return math.floor(num * mult + 0.5) / mult
|
|
else
|
|
return math.ceil(num * mult - 0.5) / mult
|
|
end
|
|
|
|
end
|
|
|
|
--[[---------------------------------------------------------
|
|
- func: SplitString(string, pattern)
|
|
- desc: splits a string into a table based on a given pattern
|
|
- note: i take no credit for this function
|
|
--]]---------------------------------------------------------
|
|
function loveframes.util.SplitString(str, pat)
|
|
|
|
local t = {} -- NOTE: use {n = 0} in Lua-5.0
|
|
|
|
if pat == " " then
|
|
local fpat = "(.-)" .. pat
|
|
local last_end = 1
|
|
local s, e, cap = str:find(fpat, 1)
|
|
while s do
|
|
if s ~= #str then
|
|
cap = cap .. " "
|
|
end
|
|
if s ~= 1 or cap ~= "" then
|
|
table.insert(t,cap)
|
|
end
|
|
last_end = e+1
|
|
s, e, cap = str:find(fpat, last_end)
|
|
end
|
|
if last_end <= #str then
|
|
cap = str:sub(last_end)
|
|
table.insert(t, cap)
|
|
end
|
|
else
|
|
local fpat = "(.-)" .. pat
|
|
local last_end = 1
|
|
local s, e, cap = str:find(fpat, 1)
|
|
while s do
|
|
if s ~= 1 or cap ~= "" then
|
|
table.insert(t,cap)
|
|
end
|
|
last_end = e+1
|
|
s, e, cap = str:find(fpat, last_end)
|
|
end
|
|
if last_end <= #str then
|
|
cap = str:sub(last_end)
|
|
table.insert(t, cap)
|
|
end
|
|
end
|
|
|
|
return t
|
|
|
|
end
|
|
|
|
--[[---------------------------------------------------------
|
|
- func: RemoveAll()
|
|
- desc: removes all gui elements
|
|
--]]---------------------------------------------------------
|
|
function loveframes.util.RemoveAll()
|
|
|
|
loveframes.base.children = {}
|
|
loveframes.base.internals = {}
|
|
|
|
end
|
|
|
|
--[[---------------------------------------------------------
|
|
- func: loveframes.util.TableHasKey(table, key)
|
|
- desc: checks to see if a table has a specific key
|
|
--]]---------------------------------------------------------
|
|
function loveframes.util.TableHasKey(table, key)
|
|
|
|
local haskey = false
|
|
|
|
for k, v in pairs(table) do
|
|
if k == key then
|
|
haskey = true
|
|
break
|
|
end
|
|
end
|
|
|
|
return haskey
|
|
|
|
end
|
|
|
|
--[[---------------------------------------------------------
|
|
- func: loveframes.util.Error(message)
|
|
- desc: displays a formatted error message
|
|
--]]---------------------------------------------------------
|
|
function loveframes.util.Error(message)
|
|
|
|
error("[Love Frames] " ..message)
|
|
|
|
end
|
|
|
|
--[[---------------------------------------------------------
|
|
- func: loveframes.util.GetCollisionCount()
|
|
- desc: gets the total number of objects colliding with
|
|
the mouse
|
|
--]]---------------------------------------------------------
|
|
function loveframes.util.GetCollisionCount()
|
|
|
|
local collisioncount = loveframes.collisioncount
|
|
return collisioncount
|
|
|
|
end
|
|
|
|
--[[---------------------------------------------------------
|
|
- func: loveframes.util.GetHover()
|
|
- desc: returns loveframes.hover, can be used to check
|
|
if the mouse is colliding with a visible
|
|
Love Frames object
|
|
--]]---------------------------------------------------------
|
|
function loveframes.util.GetHover()
|
|
|
|
return loveframes.hover
|
|
|
|
end
|
|
|