sonic-bluestreak/sonic-bluestreak.love/game/events/init.lua

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local EventManager = Object:extend()
local stepObjectList = require "game.events.event"
local Conditions = require "game.events.conditions"
local Predicates = require "birb.classes.predicate"
function EventManager:new(scene)
self.scene = scene
self.world = scene.world
self.isStarted = false
self.currentStepId = 0
self.currentStep = nil
self.stepList = {}
self.flags = {}
end
function EventManager:startEvent(owner, stepList)
self.stepList = stepList
self.flags = {}
self.owner = owner
self.isStarted = true
self.currentStepId = 0
self.currentStep = nil
self.scene:startEvent()
end
function EventManager:addFlag(flagname, flagcontent)
if (flagcontent == true) then
flagcontent = "V"
end
if (flagcontent == false) then
flagcontent = "F"
end
local flag = flagname .. ":" .. flagcontent
table.insert(self.flags, flag)
end
function EventManager:testCondition(condition)
local predicate = Predicates.createPredicate(condition, Conditions, self)
return predicate:solve()
end
function EventManager:haveFlag(flagToTest)
if (flagToTest == nil or flagToTest == "") then
return true
end
return utils.table.contain(self.flags, flagToTest)
end
function EventManager:update(dt)
if (self.isStarted) then
if (self.currentStep ~= nil) then
self.currentStep:updateStep(dt)
else
self:switchStep()
end
end
end
function EventManager:switchStep()
if self:haveNextStep() then
self.currentStepId = self.currentStepId + 1
local stepData = core.datas:parse("eventstep", self.stepList[self.currentStepId])
core.debug:print("event", "Starting step " .. stepData.name)
if (not self:testCondition(stepData.condition)) then
self:switchStep()
else
if (stepObjectList[stepData.name] ~= nil) then
self.currentStep = stepObjectList[stepData.name](self, stepData.arguments)
end
end
else
self:endEvent()
end
end
function EventManager:endStep()
self.currentStep = nil
end
function EventManager:endEvent()
core.debug:print("event", "Ending event, giving back controle")
self.scene:endEvent()
self.isStarted = false
end
function EventManager:haveNextStep()
return ((self.currentStepId + 1) <= #self.stepList)
end
function EventManager:draw()
if (self.isStarted) then
if (self.currentStep ~= nil) then
self.currentStep:draw()
end
end
end
return EventManager