indexing

	description: "[

		Instructions Menu - Item Effects

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

class BB_INSTRUCTIONS_ITEMS

inherit

	BB_MENU

create

	make

feature {NONE} -- Initialization

	make is
			-- create widgets
		local
			button: BB_MENU_BUTTON
			item_image: EM_IMAGEPANEL
			i: INTEGER
			label: EM_LABEL
			text_x, text_x_distance, line_spacing, start_y, current_y: INTEGER
			text_font: EM_TTF_FONT
			how_to_string: STRING
		do
			init_menu

			-- create menu items
			create button.make ("Back")
			button.set_position (bb_window_width // 2 - button.width // 2, 170 + 7 * 50)
			button.pressed_event.subscribe (agent back_button_pressed)
			add_button (button)

			set_selected_menu_item(1)

			video_subsystem.show_cursor

			from
				i := 1
			until
				i > 33
			loop
				create item_image.make_from_file ("./images/items/" + i.out + ".png")
				item_image.set_position (30 + ((i - 1) // 9) * 40, 150 + ((i - 1) \\ 9) * 40)
				item_image.mouse_clicked_event.subscribe (agent item_click (i, ?))
				item_image.set_transparent
				add_widget (item_image)
				i := i + 1
			end

			text_x := 225
			text_x_distance := 125
			line_spacing := 30
			start_y := 350
			current_y := start_y

			text_font := Standard_ttf_fonts.bitstream_vera_sans (17)

			how_to_string :=
				"Click on an item to hear it's sound effect and see it's description. %N%
				% %N%
				%Whenever an item is active, every score change is multiplied %N%
				%with the corresponding multiplier. If several items are active %N%
				%at the same time, their multipliers are multiplied with each other."

			create label.make_from_text (how_to_string)
			label.enable_multilined
			label.set_font (text_font)
			label.set_foreground_color (create {EM_COLOR}.make_white)
			label.resize_to_optimal_dimension
			label.set_position (text_x, 150)
			add_widget (label)

			create label.make_from_text ("Name:")
			label.set_font (text_font)
			label.set_foreground_color (create {EM_COLOR}.make_white)
			label.resize_to_optimal_dimension
			label.set_position (text_x, current_y)
			add_widget (label)

			current_y := current_y + line_spacing

			create label.make_from_text ("Description:")
			label.set_font (text_font)
			label.set_foreground_color (create {EM_COLOR}.make_white)
			label.resize_to_optimal_dimension
			label.set_position (text_x, current_y)
			add_widget (label)

			current_y := current_y + line_spacing * 2 - 10

			create label.make_from_text ("Duration:")
			label.set_font (text_font)
			label.set_foreground_color (create {EM_COLOR}.make_white)
			label.resize_to_optimal_dimension
			label.set_position (text_x, current_y)
			add_widget (label)

			current_y := current_y + line_spacing

			create label.make_from_text ("Multiplier:")
			label.set_font (text_font)
			label.set_foreground_color (create {EM_COLOR}.make_white)
			label.resize_to_optimal_dimension
			label.set_position (text_x, current_y)
			add_widget (label)

			current_y := start_y

			create name_text.make_from_text ("")
			name_text.set_font (text_font)
			name_text.set_foreground_color (create {EM_COLOR}.make_white)
			name_text.resize_to_optimal_dimension
			name_text.set_position (text_x + text_x_distance, current_y)
			add_widget (name_text)

			current_y := current_y + line_spacing

			create description_text.make_from_text ("")
			description_text.enable_multilined
			description_text.set_font (text_font)
			description_text.set_foreground_color (create {EM_COLOR}.make_white)
			description_text.resize_to_optimal_dimension
			description_text.set_position (text_x + text_x_distance, current_y)
			add_widget (description_text)

			current_y := current_y + line_spacing * 2 - 10

			create duration_text.make_from_text ("")
			duration_text.set_font (text_font)
			duration_text.set_foreground_color (create {EM_COLOR}.make_white)
			duration_text.resize_to_optimal_dimension
			duration_text.set_position (text_x + text_x_distance, current_y)
			add_widget (duration_text)

			current_y := current_y + line_spacing

			create multiplier_text.make_from_text ("")
			multiplier_text.set_font (text_font)
			multiplier_text.set_foreground_color (create {EM_COLOR}.make_white)
			multiplier_text.resize_to_optimal_dimension
			multiplier_text.set_position (text_x + text_x_distance, current_y)
			add_widget (multiplier_text)
		end

feature -- Events

	item_click (item: INTEGER; mousebutton_event: EM_MOUSEBUTTON_EVENT) is
			-- show item description and play item sound
		require
			mousebutton_event_not_void: mousebutton_event /= Void
		local
			name: STRING
			description: STRING
			duration: STRING
			multiplier: STRING
		do
			inspect item

			when 1 then
				play_sound (Sound_bar_large)
				name := "Large Bar"
				description := "The bar grows"
				duration := "10 seconds"
				multiplier := "0.5"

			when 2 then
				play_sound (Sound_bar_small)
				name := "Small Bar"
				description := "The bar shrinks"
				duration := "10 seconds"
				multiplier := "2"

			when 3 then
				play_sound (Sound_bar_fast)
				name := "Fast Bar"
				description := "The bar moves faster"
				duration := "10 seconds"
				multiplier := "1.5"

			when 4 then
				play_sound (Sound_bar_slow)
				name := "Slow Bar"
				description := "The bar moves slower"
				duration := "10 seconds"
				multiplier := "3"

			when 5 then
				play_sound (Sound_life_up)
				name := "Extra Life"
				description := "You gain an extra life"
				duration := "-"
				multiplier := "-"

			when 6 then
				play_sound (Sound_input_inverted)
				name := "Inversion"
				description := "The bar moves right if you press left %Nand vice versa"
				duration := "10 seconds"
				multiplier := "3"

			when 7 then
				play_sound (Sound_input_freezed)
				name := "Freeze"
				description := "You can't move the bar anymore"
				duration := "5 seconds"
				multiplier := "10"

			when 8 then
				play_sound (Sound_points)
				name := "Bonus points"
				description := "You gain 1000 bonus points, multiplied with the %Ncurrent score multiplier"
				duration := "-"
				multiplier := "-"

			when 9 then
				play_sound (Sound_loose_life)
				name := "Skull"
				description := "You loose a life, but you gain 3000 bonus points %Nmultiplied with the current score multiplier"
				duration := "-"
				multiplier := "-"

			when 10 then
				play_sound (Sound_invulnerable)
				name := "Invulnerability"
				description := "Balls bounce off from the bottom screen border"
				duration := "12 seconds"
				multiplier := "0.2"

			when 11 then
				play_sound (Sound_ball_fast)
				name := "Fast Ball"
				description := "Balls move faster"
				duration := "10 seconds"
				multiplier := "2"

			when 12 then
				play_sound (Sound_ball_slow)
				name := "Slow Ball"
				description := "Balls move slower"
				duration := "15 seconds"
				multiplier := "0.5"

			when 13 then
				play_sound (Sound_fly_away)
				name := "Balloon Ball"
				description := "Balls also leave the screen at the top, %Njust as they do at the bottom"
				duration := "7.5 seconds"
				multiplier := "7.5"

			when 14 then
				play_sound (Sound_angle_high)
				name := "Maximal Deflection"
				description := "Balls are deflected as much as possible"
				duration := "10 seconds"
				multiplier := "2"

			when 15 then
				play_sound (Sound_angle_low)
				name := "No Deflection"
				description := "Balls are deflected after the famous rule: %N%"angle of incidence equals angle of reflexion%""
				duration := "10 seconds"
				multiplier := "2"

			when 16 then
				play_sound (Sound_loose_points)
				name := "Weight"
				description := "You loose 1000 points, %Nmultiplied with the current score multiplier"
				duration := "-"
				multiplier := "-"

			when 17 then
				play_sound (Sound_split_to_2)
				name := "Axe"
				description := "One ball is split into 2 balls, but be careful"
				duration := "-"
				multiplier := "-"

			when 18 then
				play_sound (Sound_split_to_4)
				name := "Smilies"
				description := "One ball is split into 4 balls"
				duration := "-"
				multiplier := "-"

			when 19 then
				play_sound (Sound_split_to_6)
				name := "Bomb"
				description := "One ball is split into 6 balls"
				duration := "-"
				multiplier := "-"

			when 20 then
				play_sound (Sound_artillery)
				name := "Artillery Fire"
				description := "8 balls are shot straight up from the bottom"
				duration := "-"
				multiplier := "-"

			when 21 then
				play_sound (Sound_transparent_ball)
				name := "Transparent Ball"
				description := "Balls are black circles. %NThis isn't a problem on bright backgrounds but..."
				duration := "10 seconds"
				multiplier := "3"

			when 22 then
				play_sound (Sound_next_level)
				name := "Next Level"
				description := "You immediately reach the next level"
				duration := "-"
				multiplier := "-"

			when 23 then
				play_sound (Sound_stick_on_bar)
				name := "Glue"
				description := "Balls stick on the bar. %NYou have to launch them all the time"
				duration := "15 seconds"
				multiplier := "7.5"

			when 24 then
				play_sound (Sound_destroy_all)
				name := "Full penetration"
				description := "Balls destroy all blocks they touch %Nwithout being reflected"
				duration := "5 seconds"
				multiplier := "0.25"

			when 25 then
				play_sound (Sound_destroy_random)
				name := "Air Attack"
				description := "Each block has a chance of one fifth %Nto get destroyed"
				duration := "-"
				multiplier := "0"

			when 26 then
				play_sound (Sound_disappear)
				name := "Vanish"
				description := "Grey blocks vanish"
				duration := "10 seconds"
				multiplier := "0.75"

			when 27 then
				play_sound (Sound_bad_item)
				name := "Bad Item"
				description := "Following bad effects are started: %NSmall Bar, Slow Bar, Fast Ball and Balloon Ball"
				duration := "10 seconds"
				multiplier := "0.2"

			when 28 then
				play_sound (Sound_good_item)
				name := "The Cow"
				description := "Following good effects are started: %NLarge Bar, Fast Bar, Slow Ball and Invulnerability"
				duration := "-"
				multiplier := "-"

			when 29 then
				name := "Russian Roulette"
				description := "One of 8 very good or very bad effects is started"
				duration := "-"
				multiplier := "-"

			when 30 then
				play_sound (Sound_transparent_bar)
				name := "Transparent Bar"
				description := "The bar is only a black contour. %NThis isn't problem on a bright background but..."
				duration := "10 seconds"
				multiplier := "3"

			when 31 then
				play_sound (Sound_divert)
				name := "Diversion"
				description := "Balls randomly change their direction %Nand you get 200 points"
				duration := "-"
				multiplier := "-"

			when 32 then
				play_sound (Sound_drive_left)
				name := "Left-Hand Twist"
				description := "The bar moves constantly to the left"
				duration := "10 seconds"
				multiplier := "3"

			when 33 then
				play_sound (Sound_drive_right)
				name := "Right-Hand Twist"
				description := "The bar moves constantly to the right"
				duration := "10 seconds"
				multiplier := "3"

			else
				name := ""
				description := ""
				duration := ""
				multiplier := ""

			end

			name_text.set_text (name)
			name_text.resize_to_optimal_dimension

			description_text.set_text (description)
			description_text.resize_to_optimal_dimension

			duration_text.set_text (duration)
			duration_text.resize_to_optimal_dimension

			multiplier_text.set_text (multiplier)
			multiplier_text.resize_to_optimal_dimension

		end

	back_button_pressed is
			-- back button pressed
		do
			set_next_scene (create {BB_INSTRUCTIONS}.make)
			start_next_scene
		end

feature {NONE} -- Implementation

	name_text: EM_LABEL
	description_text: EM_LABEL
	duration_text: EM_LABEL
	multiplier_text: EM_LABEL

end