NeutronLoved/game.lua

268 lines
6.2 KiB
Lua
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local Game = {}
local insert = table.insert
function Game:reinit()
self.gameloop = {}
self.objects = {}
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self.scenes = require "scenes"
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self.objects.base = require "objects/base"
self.objects.grid = require "objects/grid"
self.objects.circle = require "objects/circle"
self.rect = require "lib/rect"
self.maxobjects = 0
self.camerax = 0
self.cameray = 0
self.floatcamerax = 0
self.floatcameray = 0
self.assets = {} -- Caching loaded images
self:initInputs()
end
function Game:changesize(width,height)
self.WIDTH = width
self.HEIGHT = height
end
function Game:movecamera(movex,movey)
self.floatcamerax = self.floatcamerax + movex
self.floatcameray = self.floatcameray + movey
self.camerax = math.floor(self.floatcamerax+0.5)
self.cameray = math.floor(self.floatcameray+0.5)
end
function Game:setcamera(x,y)
self.floatcamerax = x
self.floatcameray = y
self.camerax = math.floor(self.floatcamerax+0.5)
self.cameray = math.floor(self.floatcameray+0.5)
end
function Game:initInputs()
self.inputs = {}
self.inputs.deadzone = 0.4
self.inputs.keys = {}
self.inputs.buttons = {}
self.inputs.axis= {}
self.inputs.actions = {}
for i,v in pairs({"up","down","left","right","menu","valid"}) do
local action = {}
action.keys = {}
action.buttons = {}
action.axis = {}
self.inputs.actions[v] = action
action.timer = 0
action.lastpress = 99
end
self.inputs.actions.valid.keys = {"space"}
self.inputs.actions.valid.buttons = {"a"}
self.inputs.actions.up.keys = {"up","w"}
self.inputs.actions.up.buttons = {"dpup"}
self.inputs.actions.up.axis = {{"lefty",-1}}
self.inputs.actions.down.keys = {"down","s"}
self.inputs.actions.down.buttons = {"dpdown"}
self.inputs.actions.down.axis = {{"lefty",1}}
self.inputs.actions.left.keys = {"left","a"}
self.inputs.actions.left.buttons = {"dpleft"}
self.inputs.actions.left.axis = {{"leftx",-1}}
self.inputs.actions.right.keys = {"right","d"}
self.inputs.actions.right.buttons = {"dpright"}
self.inputs.actions.right.axis = {{"leftx",1}}
self.inputs.actions.menu.keys = {"escape","return"}
self.inputs.actions.menu.buttons = {"start","back"}
end
function Game:updateInputs(dt)
for i,action in pairs(self.inputs.actions) do
local pressed = false
for _,key in pairs(action.keys) do
if self.inputs.keys[key] then pressed = true end
end
for _,button in pairs(action.buttons) do
if self.inputs.buttons[button] then pressed = true end
end
for _,axis in pairs(action.axis) do
if self.inputs.axis[axis[1]]~=nil then
if self.inputs.axis[axis[1]]*axis[2]>self.inputs.deadzone then
pressed = true
end
end
end
if pressed then
action.timer = action.timer+1
if action.timer == 1 then
action.lastpress = 0
end
else
action.timer = 0
end
action.lastpress = action.lastpress + dt
end
end
function Game:summon(obj)
obj.game = self
obj.id = self.maxobjects
self.maxobjects = self.maxobjects + 1
insert(self.gameloop,obj)
end
function Game:findName(askedname)
local result = {}
for i,v in ipairs(self.gameloop) do
if v~=nil then
for j,name in pairs(v.classes) do
if name==askedname then
insert(result,v)
end
end
end
end
return result
end
function Game:delid(objid)
self.gameloop[objid] = nil
end
function Game:delname(objName)
for i,v in ipairs(Game:findName(objName)) do
if v~=nil then
self:delid(v.id)
end
end
end
function Game:step(dt)
self:updateInputs(dt)
for i,v in ipairs(self.gameloop) do
--Processing all the objects
if v~=nil then v:step(dt) end
end
end
function Game:newImage(path)
local image = nil
if self.assets[path]~=nil then -- If already loaded
image = self.assets[path]
else
image = love.graphics.newImage("assets/"..path) -- Load it and save it
self.assets[path] = image
end
return image
end
function Game:getSpriteDir(path,ext,func,folder)
if not ext then ext = ".png" end
if not func then func = self.newImage end
if not folder then folder = "assets/" end
local counter = 0
local result = {}
while love.filesystem.getInfo(folder..path..counter..ext) do
insert(result,func(self,path..counter..ext))
counter = counter + 1
end
return result
end
function Game:getLevel(i)
local level = nil
if self.levels[i]~=nil then
level = self.levels[i]
else
level = {}
level.folder = "maps/Level "..i.."/"
local module = level.folder.."data"
level.data = require(module)
level.backgrounds = {}
level.bgsizes = {}
-- Get backgrounds
local counter = 0
while love.filesystem.getInfo(level.folder.."background"..counter..".png") do
img = love.graphics.newImage(level.folder.."background"..counter..".png")
table.insert(level.backgrounds,img)
table.insert(level.bgsizes,{img:getWidth(),img:getHeight()})
counter = counter + 1
end
self.levels[i] = level
end
return level
end
function Game:draw(screen)
draworder = {}
for i,v in ipairs(self.gameloop) do
if v~=nil then
table.insert(draworder,v)
end
end
table.sort(draworder, function(a,b) return a.depth< b.depth end)
for i,v in ipairs(draworder) do
--Processing all the objects
if v~=nil then
if screen~= "bottom" then
if v.draw ~= nil then
local offset = 0
if screen=="left" then offset = -love.graphics.get3DDepth() end
if screen=="right" then offset = love.graphics.get3DDepth() end
self.camerax = self.camerax + offset
v:draw()
self.camerax = self.camerax - offset
end
else
if v.bottomdraw~=nil then v.bottomdraw() end
end
end
end
end
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function Game:MouseCallback(x,y,presses)
local i
for i=1,#self.gameloop do
self.gameloop[i]:MouseCallback(x,y,presses)
end
end
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function Game:bint(bool) -- Convert Boolean to Integer
local result = 0
if bool then result = 1 end
return result
end
function Game:Timer(time)
local Timer = {}
Timer.maxcount = time
Timer.timer = time
Timer.loops = 0
function Timer:tick(advancement)
local result = false
self.timer = self.timer - advancement
if self.timer<0 then
result = true
self.timer = self.timer + self.maxcount
self.loops = self.loops + 1
end
return result
end
function Timer:getratio()
local result = self.timer/self.maxcount
if result<0 then result = 0 end
return result
end
function Timer:reset()
self.timer = self.maxcount
self.loops = 0
end
return Timer
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end
Game:reinit()
return Game