--***********************************************************
--**                    ROBERT JOHNSON                     **
--***********************************************************

require "BuildingObjects/ISBuildingObject"

-- this class extend ISBuildingObject, it's a class to help you drag around/place an item in the world
RainCollectorBarrel = ISBuildingObject:derive("RainCollectorBarrel");
-- list of our barrel in the world
RainCollectorBarrel.waterScale = 4
RainCollectorBarrel.smallWaterMax = 40 * RainCollectorBarrel.waterScale
RainCollectorBarrel.largeWaterMax = 100 * RainCollectorBarrel.waterScale

function RainCollectorBarrel:create(x, y, z, north, sprite)
	local cell = getWorld():getCell();
	self.sq = cell:getGridSquare(x, y, z);
	self.javaObject = IsoThumpable.new(cell, self.sq, sprite, north, self);
	buildUtil.setInfo(self.javaObject, self);
	buildUtil.consumeMaterial(self);
	-- the barrel have 200 base health + 100 per carpentry lvl
	self.javaObject:setMaxHealth(self:getHealth());
	self.javaObject:setHealth(self.javaObject:getMaxHealth());
	-- the sound that will be played when our barrel will be broken
	self.javaObject:setBreakSound("BreakObject");
	-- add the item to the ground
    self.sq:AddSpecialObject(self.javaObject);
	-- add some xp for because you successfully build the barrel
	buildUtil.addWoodXp(self);
	-- IsoObjects with 'waterAmount' 
    self.javaObject:getModData()["waterMax"] = self.waterMax;
    self.javaObject:getModData()["waterAmount"] = 0;
    self.javaObject:setSpecialTooltip(true)
	self.javaObject:transmitCompleteItemToServer();
	-- OnObjectAdded event will create the SRainBarrelGlobalObject on the server.
	-- This is only needed for singleplayer which doesn't trigger OnObjectAdded.
	triggerEvent("OnObjectAdded", self.javaObject)
--~ 	print("add a barrel at : " .. x .. "," .. y);
end

function RainCollectorBarrel:new(player, sprite, waterMax)
	-- OOP stuff
	-- we create an item (o), and return it
	local o = {};
	setmetatable(o, self);
	self.__index = self;
	o:init();
	-- the number of sprites can be up to 4, one for each direction, you ALWAYS need at least 2 sprites, south (Sprite) and north (NorthSprite)
	-- here we're not gonna be able to rotate our building (it's a barrel, so every face are the same), so we set that the south sprite = north sprite
	o:setSprite(sprite);
	o:setNorthSprite(sprite);
	o.name = "Rain Collector Barrel";
    o.waterMax = waterMax;
	o.player = player;
	-- the barrel will be dismantable (come from IsoThumpable stuff, check buildUtil.setInfo to see wich options are available)
	o.dismantable = true;
	-- you can't barricade it
	o.canBarricade = false;
	-- the item will block all the square where it placed (not like a wall for example)
	o.blockAllTheSquare = true;
	return o;
end

-- return the health of the new barrel, it's 200 + 100 per carpentry lvl
function RainCollectorBarrel:getHealth()
	return 200 + buildUtil.getWoodHealth(self);
end

-- our barrel can be placed on this square ?
-- this function is called everytime you move the mouse over a grid square, you can for example not allow building inside house..
function RainCollectorBarrel:isValid(square)
	if not square then return false end
	if square:isSolid() or square:isSolidTrans() then return false end
	if square:HasStairs() then return false end
	if square:HasTree() then return false end
	if not square:getMovingObjects():isEmpty() then return false end
	if not square:TreatAsSolidFloor() then return false end
	if not self:haveMaterial(square) then return false end
	for i=1,square:getObjects():size() do
		local obj = square:getObjects():get(i-1)
		if self:getSprite() == obj:getTextureName() then return false end
    end
    if buildUtil.stairIsBlockingPlacement( square, true ) then return false; end
	if square:isVehicleIntersecting() then return false end
	return true
end

-- called after render the ghost objects
-- the ISBuildingObject only render 1 sprite (north, south...), for example for stairs I can render the 2 others tile for stairs here
-- if I return false, the ghost render will be in red and I couldn't build the item
function RainCollectorBarrel:render(x, y, z, square)
	ISBuildingObject.render(self, x, y, z, square)
end