indexing

	description: "[

		Scene where player selects difficulty of game.

	]"
	date: "$Date$"
	revision: "$Revision$"

class CHOOSE_SCENE

inherit

	EM_COMPONENT_SCENE
	redefine
		handle_key_down_event,
		redraw
	end

create

	make

feature -- Properties

	continue: BOOLEAN
		-- Continue program or quit?

	min_size: INTEGER
		-- Minimum number size for calculation

	range: INTEGER
		-- Number range for calculation

	button_easy: EM_BUTTON
		-- Chooses easy difficulty

	button_medium: EM_BUTTON
		-- Chooses easy difficulty

	button_hard: EM_BUTTON
		-- Chooses easy difficulty

	button_quit: EM_BUTTON
		-- Quit program

	-- key bindings
	label_bindings: EM_LABEL

	label_rot_left: EM_LABEL
	label_move_left: EM_LABEL
	label_rot_right: EM_LABEL
	label_move_right: EM_LABEL
	label_more_powder: EM_LABEL
	label_less_powder: EM_LABEL
	label_fire: EM_LABEL
	label_start: EM_LABEL

	label_rot_left_key: EM_LABEL
	label_move_left_key: EM_LABEL
	label_rot_right_key: EM_LABEL
	label_move_right_key: EM_LABEL
	label_more_powder_key: EM_LABEL
	label_less_powder_key: EM_LABEL
	label_fire_key: EM_LABEL
	label_start_key: EM_LABEL
	-- end key bindings

feature -- Initialization

	make is
			-- Make 'current'
		do
			make_component_scene

			create button_easy.make_from_text("Easy")
			button_easy.set_x(50)
			button_easy.set_y(50)
			button_easy.set_width(120)
			button_easy.set_height(50)
			button_easy.clicked_event.subscribe(agent easy_click)
			add_component(button_easy)

			create button_medium.make_from_text("Medium")
			button_medium.set_x(50)
			button_medium.set_y(150)
			button_medium.set_width(120)
			button_medium.set_height(50)
			button_medium.clicked_event.subscribe(agent medium_click)
			add_component(button_medium)

			create button_hard.make_from_text("Hard")
			button_hard.set_x(50)
			button_hard.set_y(250)
			button_hard.set_width(120)
			button_hard.set_height(50)
			button_hard.clicked_event.subscribe(agent hard_click)
			add_component(button_hard)

			create button_quit.make_from_text("Quit")
			button_quit.set_x(50)
			button_quit.set_y(350)
			button_quit.set_width(120)
			button_quit.set_height(50)
			button_quit.clicked_event.subscribe(agent quit_click)
			add_component(button_quit)

			create label_bindings.make_from_text ("Key bindings")
			label_bindings.set_x(300)
			label_bindings.set_y(36)
			add_component(label_bindings)

			create label_rot_left.make_from_text ("Rotate gun left")
			label_rot_left.set_x(300)
			label_rot_left.set_y(60)
			add_component(label_rot_left)
			create label_rot_left_key.make_from_text ("Q")
			label_rot_left_key.set_x(450)
			label_rot_left_key.set_y(60)
			add_component(label_rot_left_key)

			create label_rot_right.make_from_text ("Rotate gun right")
			label_rot_right.set_x(300)
			label_rot_right.set_y(80)
			add_component(label_rot_right)
			create label_rot_right_key.make_from_text ("E")
			label_rot_right_key.set_x(450)
			label_rot_right_key.set_y(80)
			add_component(label_rot_right_key)

			create label_move_left.make_from_text ("Move turret left")
			label_move_left.set_x(300)
			label_move_left.set_y(100)
			add_component(label_move_left)
			create label_move_left_key.make_from_text ("A")
			label_move_left_key.set_x(450)
			label_move_left_key.set_y(100)
			add_component(label_move_left_key)

			create label_move_right.make_from_text ("Move turret right")
			label_move_right.set_x(300)
			label_move_right.set_y(120)
			add_component(label_move_right)
			create label_move_right_key.make_from_text ("D")
			label_move_right_key.set_x(450)
			label_move_right_key.set_y(120)
			add_component(label_move_right_key)

			create label_more_powder.make_from_text ("Use more powder")
			label_more_powder.set_x(300)
			label_more_powder.set_y(140)
			add_component(label_more_powder)
			create label_more_powder_key.make_from_text ("W")
			label_more_powder_key.set_x(450)
			label_more_powder_key.set_y(140)
			add_component(label_more_powder_key)

			create label_less_powder.make_from_text ("Use less powder")
			label_less_powder.set_x(300)
			label_less_powder.set_y(160)
			add_component(label_less_powder)
			create label_less_powder_key.make_from_text ("S")
			label_less_powder_key.set_x(450)
			label_less_powder_key.set_y(160)
			add_component(label_less_powder_key)

			create label_fire.make_from_text ("Fire")
			label_fire.set_x(300)
			label_fire.set_y(180)
			add_component(label_fire)
			create label_fire_key.make_from_text ("X")
			label_fire_key.set_x(450)
			label_fire_key.set_y(180)
			add_component(label_fire_key)

			create label_start.make_from_text ("Start game")
			label_start.set_x(300)
			label_start.set_y(200)
			add_component(label_start)
			create label_start_key.make_from_text ("Home")
			label_start_key.set_x(450)
			label_start_key.set_y(200)
			add_component(label_start_key)

--			label_rot_left: EM_LABEL
--			label_move_left: EM_LABEL
--			label_rot_right: EM_LABEL
--			label_move_right: EM_LABEL
--			label_more_powder: EM_LABEL
--			label_less_powder: EM_LABEL
--			label_fire: EM_LABEL
--			label_start: EM_LABEL
		end

feature -- redraw

	redraw is
			-- redraw scene
		local
			color: EM_COLOR
		do
			create color.make_white
			screen.fill(color)
			precursor
		end

feature -- Event Handlers

	easy_click is
			-- Easy is chosen
		do
			min_size := 5
			range := 25
			continue := true
			event_loop.stop
		end

	medium_click is
			-- Easy is chosen
		do
			min_size := 5
			range := 50
			continue := true
			event_loop.stop
		end

	hard_click is
			-- Easy is chosen
		do
			min_size := 5
			range := 100
			continue := true
			event_loop.stop
		end

	quit_click is
			-- Easy is chosen
		do
			continue := false
			event_loop.stop
		end

	handle_key_down_event (a_keyboard_event: EM_KEYBOARD_EVENT) is
			-- Handle key down event.
		do
			Precursor(a_keyboard_event)
			if a_keyboard_event.key = a_keyboard_event.sdlk_escape then
				event_loop.stop
			end
		end

end