with core, ui, effect, faction, unit;

use unit;

package body unit is

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	type sprite_array is array (codex) of core.sprite;

	sprite      : sprite_array;
	icon_sprite : sprite_array;
	view_sprite : sprite_array;

                                             ------------------------------------------------------------------------------------------

	procedure configure is
	begin
		core.echo (core.comment, "Configuring unit components...");
		--
		for index in codex
		loop
			declare
				folder : constant string := core.lowercase (faction.codex'image (trait (index).kind));
				file   : constant string := core.lowercase (codex'image (index));
			begin
				sprite      (index) := core.load_sprite ("./sprite/unit/" & folder & "/" & file & ".png", 6, 6);
				icon_sprite (index) := core.load_sprite ("./sprite/unit/icon/" & file & ".png", 1, 1);
				view_sprite (index) := core.load_sprite ("./sprite/unit/view/" & file & ".png", 1, 1);
			end;
		end loop;
	end configure;

                                             ------------------------------------------------------------------------------------------

	procedure draw (index : in codex; state : in animation; x, y : in integer) is
	begin
		core.move (sprite (index), x, y, 6, animation'pos (state));
	end draw;

                                             ------------------------------------------------------------------------------------------

	procedure icon (index : in codex; x, y : in integer) is
	begin
		core.draw        (icon_sprite (index), x + 2, y + 2);
		ui.draw_overicon (x, y);
	end icon;

                                             ------------------------------------------------------------------------------------------

	procedure view (index : in codex; x, y : in integer) is
	begin
		core.draw          (view_sprite (index), x, y);
		--~ui.draw_tiny_frame ();
	end view;

                                             ------------------------------------------------------------------------------------------

	procedure menu (x, y : in integer; center : in boolean) is
		offset : constant integer := 16;
		width  : constant integer := 168 * faction.count + 2 * offset;
		height : constant integer := 14  * core.icon     + 2 * offset;
		move_x : constant integer := (if center then (core.window_width  - width)  / 2 else x);
		move_y : constant integer := (if center then (core.window_height - height) / 2 else y);
	begin
		ui.draw_tiny_menu (move_x, move_y, width, height, true);
		ui.draw_title_bar (move_x, move_y, width, "Units");
		--
		for index in codex
		loop
			icon       (index,              move_x + offset + faction.codex'pos (trait (index).kind) * 168,             move_y + offset + (codex'pos (index) mod 14) * core.icon);
			core.write (trait (index).name, move_x + offset + faction.codex'pos (trait (index).kind) * 168 + core.icon, move_y + offset + (codex'pos (index) mod 14) * core.icon);
		end loop;
	end menu;

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end unit;