/*
** Jo Sega Saturn Engine
** Copyright (c) 2012-2013, Johannes Fetz (johannesfetz@gmail.com)
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are met:
**     * Redistributions of source code must retain the above copyright
**       notice, this list of conditions and the following disclaimer.
**     * Redistributions in binary form must reproduce the above copyright
**       notice, this list of conditions and the following disclaimer in the
**       documentation and/or other materials provided with the distribution.
**     * Neither the name of the Johannes Fetz nor the
**       names of its contributors may be used to endorse or promote products
**       derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
** ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
** WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
** DISCLAIMED. IN NO EVENT SHALL Johannes Fetz BE LIABLE FOR ANY
** DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
** (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
** LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
** ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
** SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <jo/jo.h>

static int first_background_sprite_id = 0;
static int water_sprite_id = 0;

void			draw_water(int sprite_id, int sprite_height, int speed)
{
	static int water_pos_y = 0;

	jo_sprite_enable_half_transparency();
	jo_sprite_draw3D(sprite_id, 0, water_pos_y - sprite_height - sprite_height, 400);
	jo_sprite_draw3D(sprite_id, 0, water_pos_y - sprite_height, 400);
	jo_sprite_draw3D(sprite_id, 0, water_pos_y, 400);
	jo_sprite_draw3D(sprite_id, 0, water_pos_y + sprite_height, 400);
	jo_sprite_disable_half_transparency();
	water_pos_y += speed;
	if (water_pos_y > sprite_height)
		water_pos_y = 0;
}

void			my_draw(void)
{
	jo_printf(0, 0, jo_get_last_error());

	jo_sprite_draw3D2(first_background_sprite_id, 0, 0, 500);
	jo_sprite_draw3D2(first_background_sprite_id + 1, 160, 0, 500);
	jo_sprite_draw3D2(first_background_sprite_id + 2, 0, 120, 500);
	jo_sprite_draw3D2(first_background_sprite_id + 3, 160, 120, 500);

	draw_water(water_sprite_id, 96, 3);
}

void			load_sprites()
{
	first_background_sprite_id = jo_sprite_add_image_pack("BG", "BG.TEX", JO_COLOR_Transparent);
	water_sprite_id = jo_sprite_add_tga(JO_ROOT_DIR, "WATER.TGA", JO_COLOR_Red);
}

void			jo_main(void)
{
	jo_core_init(JO_COLOR_Black);
	load_sprites();
	jo_core_add_callback(my_draw);
	jo_core_run();
}

/*
** END OF FILE
*/
