function onSave()
    local data_to_save = {saved_count1 = countHP, saved_count2 = countMP}
    saved_data = JSON.encode(data_to_save)
    return saved_data
end

--Loads the saved data then creates the buttons
function onload(saved_data)
    generateButtonParamitersHP()
    --Checks if there is a saved data. If there is, it gets the saved value for 'count'
    if saved_data != '' then
        local loaded_data = JSON.decode(saved_data)
        countHP = loaded_data.saved_count1

    else
        --If there wasn't saved data, the default value is set to 10.

        countHP = 10
    end

	generateButtonParamitersMP()
    --Checks if there is a saved data. If there is, it gets the saved value for 'count'
    if saved_data != '' then
        local loaded_data = JSON.decode(saved_data)
        countMP = loaded_data.saved_count2

    else
        --If there wasn't saved data, the default value is set to 10.

        countMP = 10
    end

    b_displayHP.label = tostring(countHP)
        b_displayHP.font_size = 70


    b_displayMP.label = tostring(countMP)
        b_displayMP.font_size = 70

    self.createButton(b_displayHP)
    self.createButton(b_plusHP)
    self.createButton(b_minusHP)
    self.createButton(b_plusHP5)
    self.createButton(b_minusHP5)
	self.createButton(b_displayMP)
    self.createButton(b_plusMP)
    self.createButton(b_minusMP)
    self.createButton(b_plusMP5)
    self.createButton(b_minusMP5)
end

function increaseMP()
    countMP = countMP + 1
    updateDisplayMP()
end


function decreaseMP()
    --Prevents countMP from going below 0
    if countMP > 0 then
        countMP = countMP - 1
        updateDisplayMP()
    end
end


function increaseMP5()
    countMP = countMP + 5
    updateDisplayMP()
end


function decreaseMP5()
    --Prevents countMP from going below 0
    if countMP > 4 then
        countMP = countMP - 5
    else
        countMP = 0
    end
    updateDisplayMP()
end

function customSetMP()
    local descriptionMP = self.getDescription()
    if descriptionMP != '' and type(tonumber(descriptionMP)) == 'number' then
        self.setDescription('')
        countMP = tonumber(descriptionMP)
        updateDisplayMP()
    end
end


function updateDisplayMP()


    b_displayMP.font_size = 70
    b_displayMP.label = tostring(countMP)
    self.editButton(b_displayMP)
end

function increaseHP()
    countHP = countHP + 1
    updateDisplayHP()
end


function decreaseHP()
    --Prevents countHP from going below 0
    if countHP > 0 then
        countHP = countHP - 1
        updateDisplayHP()
    end
end


function increaseHP5()
    countHP = countHP + 5
    updateDisplayHP()
end


function decreaseHP5()
    --Prevents countHP from going below 0
    if countHP > 4 then
        countHP = countHP - 5
    else
        countHP = 0
    end
    updateDisplayHP()
end

function customSetHP()
    local descriptionHP = self.getDescription()
    if descriptionHP != '' and type(tonumber(descriptionHP)) == 'number' then
        self.setDescription('')
        countHP = tonumber(descriptionHP)
        updateDisplayHP()
    end
end


function updateDisplayHP()
    b_displayHP.font_size = 70
    b_displayHP.label = tostring(countHP)
    self.editButton(b_displayHP)
end


function generateButtonParamitersHP()
    b_displayHP = {
        index = 0, click_function = 'customSetHP', function_owner = self, label = '',
        position = {0,0.1,0}, width = 600, height = 600, font_size = 500
    }
    b_plusHP = {
        click_function = 'increaseHP', function_owner = self, label =  '+1',
        position = {0.75,0.1,0.26}, width = 150, height = 300, font_size = 100
    }
    b_minusHP = {
        click_function = 'decreaseHP', function_owner = self, label =  '-1',
        position = {-0.75,0.1,0.26}, width = 150, height = 300, font_size = 100
    }
    b_plusHP5 = {
        click_function = 'increaseHP5', function_owner = self, label =  '+5',
        position = {0.75,0.1,-0.29}, width = 150, height = 230, font_size = 100
    }
    b_minusHP5 = {
        click_function = 'decreaseHP5', function_owner = self, label =  '-5',
        position = {-0.75,0.1,-0.29}, width = 150, height = 230, font_size = 100
    }
end
function generateButtonParamitersMP()
    b_displayMP = {
        index = 5, click_function = 'customSetMP', function_owner = self, label = '',
        position = {2,0.1,0}, width = 600, height = 600, font_size = 500
    }
    b_plusMP = {
        click_function = 'increaseMP', function_owner = self, label =  '+1',
        position = {2.75,0.1,0.26}, width = 150, height = 300, font_size = 100
    }
    b_minusMP = {
        click_function = 'decreaseMP', function_owner = self, label =  '-1',
        position = {-2.75,0.1,0.26}, width = 150, height = 300, font_size = 100
    }
    b_plusMP5 = {
        click_function = 'increaseMP5', function_owner = self, label =  '+5',
        position = {2.75,0.1,-0.29}, width = 150, height = 230, font_size = 100
    }
    b_minusMP5 = {
        click_function = 'decreaseMP5', function_owner = self, label =  '-5',
        position = {-2.75,0.1,-0.29}, width = 150, height = 230, font_size = 100
    }
end