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/* Libvisual-plugins - Standard plugins for libvisual
*
* Copyright (C) 2002, 2003, 2004, 2005, 2006 Dennis Smit <ds@nerds-incorporated.org>
*
* Authors: Dennis Smit <ds@nerds-incorporated.org>
*
* $Id: gfx-background.c,v 1.7 2006/01/22 13:25:26 synap Exp $
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <string.h>
#include "common.h"
#include "screen.h"
#include "audio.h"
#include "table.h"
#include "gfx-misc.h"
#include "misc.h"
#include "gfx-background.h"
void _oink_gfx_background_circles_sine (OinksiePrivate *priv,
uint8_t *buf, int color, int rotate, int scroll, int stretch, int size)
{
int i;
int y;
int y1;
int x;
int x1;
int tab;
int sadd = priv->screen_xysmallest / 2;
float sden;
rotate = abs (rotate);
scroll = abs (scroll);
stretch = abs (stretch);
tab = scroll;
for (i = 0; i < priv->screen_width; i+= 20)
{
sden = _oink_table_sin[abs (tab % OINK_TABLE_NORMAL_SIZE)];
y = (sden * size) + sadd;
sden = _oink_table_sin[abs ((tab + OINK_TABLE_NORMAL_SIZE / 2) % OINK_TABLE_NORMAL_SIZE)];
y1 = (sden * size) + sadd;
x = i - priv->screen_halfwidth;
x1 = x;
y = y - priv->screen_halfheight;
y1 = y1 - priv->screen_halfheight;
_oink_pixel_rotate (&x, &y, rotate);
_oink_pixel_rotate (&x1, &y1, rotate);
_oink_gfx_circle_filled (priv, buf, color - abs (sden * 20), 15 - abs (sden * 10),
x + priv->screen_halfwidth, y + priv->screen_halfheight);
_oink_gfx_circle_filled (priv, buf, color - abs (sden * 20), 15 - abs (sden * 10),
x1 + priv->screen_halfwidth, y1 + priv->screen_halfheight);
tab += stretch;
}
}
void _oink_gfx_background_circles_filled (OinksiePrivate *priv,
uint8_t *buf, int color, int size, int number, int distance, int turn, int x, int y)
{
int i;
int xi;
int yi;
int adder = OINK_TABLE_NORMAL_SIZE / number;
int tab = turn % OINK_TABLE_NORMAL_SIZE;
if (tab < 0)
{
tab = OINK_TABLE_NORMAL_SIZE - +tab;
tab = tab % OINK_TABLE_NORMAL_SIZE;
}
for (i = 0; i < number; i++)
{
xi = (_oink_table_sin[tab % OINK_TABLE_NORMAL_SIZE] * distance) + x;
yi = (_oink_table_cos[tab % OINK_TABLE_NORMAL_SIZE] * distance) + y;
tab += adder;
_oink_gfx_circle_filled (priv, buf, color, size, xi, yi);
}
}
void _oink_gfx_background_floaters (OinksiePrivate *priv,
uint8_t *buf, int color, int size, int number, int xturn, int yturn, int x, int badd1, int badd2)
{
int i;
int xi;
int yi;
int xb;
int yb;
int add1 = 0;
int add2 = 0;
int mul = ((priv->screen_width - 20) / number);
for (i = 0; i < number; i++)
{
xi = (_oink_table_sin[(+xturn + add1) % OINK_TABLE_NORMAL_SIZE] * (float) (priv->screen_width / (number + 1)));
yi = (_oink_table_cos[(+yturn + add2) % OINK_TABLE_NORMAL_SIZE] * (float) (priv->screen_height / 5));
xb = xi + (i * mul) + 20;
yb = yi + x;
if (xb > 0 + size || xb < priv->screen_width - size || yb > 0 + size || yb < priv->screen_height - size)
_oink_gfx_circle_filled (priv, buf, color, size, xb, yb);
add1 += badd1;
add2 += badd2;
}
}
void _oink_gfx_background_ball_shooting (OinksiePrivate *priv,
uint8_t *buf, int color, int distance, int xb, int yb, int x, int y)
{
int xi = _oink_line_xory_next_xy (0, distance, x, y, xb, yb);
int yi = _oink_line_xory_next_xy (1, distance, x, y, xb, yb);
_oink_gfx_circle_filled (priv, buf, color, distance >> 1, xi, yi);
}
void _oink_gfx_background_ball_whirling (OinksiePrivate *priv,
uint8_t *buf, int color, int size, int dia, int rot, int x, int y)
{
int xd;
int yd;
xd = (_oink_table_sin[rot % OINK_TABLE_NORMAL_SIZE] * dia) + x;
yd = (_oink_table_cos[rot % OINK_TABLE_NORMAL_SIZE] * dia) + y;
_oink_gfx_circle_filled (priv, buf, color, size, xd, yd);
}
void _oink_gfx_background_fill (OinksiePrivate *priv,
uint8_t *buf, int color)
{
visual_mem_set (buf, color, priv->screen_size);
}
void _oink_gfx_background_circles_star (OinksiePrivate *priv,
uint8_t *buf, int color, int size, int tentnr, int ballnr, int badd, int turn, int x, int y)
{
int i;
int i2;
int sizedef = 0;
int sizedefadd = size / ballnr;
int sinadd = OINK_TABLE_NORMAL_SIZE / tentnr;
int sindef = turn;
int bdef = 0;
int xd;
int yd;
for (i = 0; i < tentnr; i++)
{
sizedef = 0;
bdef = 0;
for (i2 = 0; i2 < ballnr; i2++)
{
xd = (_oink_table_sin[sindef % OINK_TABLE_NORMAL_SIZE] * bdef) + x;
yd = (_oink_table_cos[sindef % OINK_TABLE_NORMAL_SIZE] * bdef) + y;
_oink_gfx_circle_filled (priv, buf, color, size - sizedef, xd, yd);
bdef += badd;
sizedef += sizedefadd;
}
sindef += sinadd;
}
}
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