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/***********************************************************
* K O U L E S *
*----------------------------------------------------------*
* C1995 JAHUSOFT *
* Jan Hubicka *
* Dukelskych Bojovniku 1944 *
* 390 03 Tabor *
* Czech Republic *
* Phone: 0041-361-32613 *
* eMail: hubicka@paru.cas.cz *
*----------------------------------------------------------*
* Copyright(c)1995,1996 by Jan Hubicka.See README for *
* Liecnece details. *
*----------------------------------------------------------*
* cmap.c cmap routines for 256color librarys-svgalib style*
***********************************************************/
#include "koules.h"
static INLINE int
col (int p, CONST float p1)
{
p *= p1;
if (p > 63)
return (63);
if (p < 0)
return (0);
return (p);
}
int fadedout = 0;
void
setcustompalette (CONST int p, CONST float p1)
{
/* 0-31 black to yellow for starwars scroller */
/* 32-63 black to red */
/* 64-96 for red koules */
/* 96-128 for yellow rockets */
/* 128-160 for green rockets */
/* 160-192 for blue rockets */
/* 192-256 gray cmap for stars */
Palette pal;
int i;
for (i = 0; i < 64; i++)
{
int r, g, b;
r = g = b = 0;
if ((i & 32) > 0)
b = (i & 31) << 1;
if (i < 32)
{
r = (i & 3) << 4; /* 2 bits */
g = (i & 4) << 3; /* 1 bit */
b = (i & 24) << 1; /* 2 bits */
}
pal.color[i].red = col (r + p, p1);
pal.color[i].green = col (g + p, p1);
pal.color[i].blue = col (b + p, p1);
}
for (i = 64; i < 64 + 32; i++)
{
int r, g, b;
r = g = b = 0;
r = (32 - (i - 63)) << 1;
if (i < 64 + 8)
{
b = g = (((8 - (i - 63))) << 5) / 5;
}
pal.color[i].red = col (r + p, p1);
pal.color[i].green = col (g + p, p1);
pal.color[i].blue = col (b + p, p1);
}
for (i = 96; i < 96 + 32; i++)
{
int r, g, b;
r = g = b = 0;
r = g = (32 - (i - 95)) << 1;
if (i < 96 + 8)
{
b = ((8 - (i - 95))) << 3;
}
pal.color[i].red = col (r + p, p1);
pal.color[i].green = col (g + p, p1);
pal.color[i].blue = col (b + p, p1);
}
for (i = 128; i < 128 + 32; i++)
{
int r, g, b;
r = g = b = 0;
g = (32 - (i - 127)) << 1;
if (i < 128 + 8)
{
r = b = ((8 - (i - 127))) << 3;
}
pal.color[i].red = col (r + p, p1);
pal.color[i].green = col (g + p, p1);
pal.color[i].blue = col (b + p, p1);
}
for (i = 160; i < 160 + 32; i++)
{
int r, g, b;
r = g = b = 0;
b = (32 - (i - 159)) << 1;
if (i < 160 + 8)
{
r = g = (((8 - (i - 159))) << 3) / 2;
}
pal.color[i].red = col (r + p, p1);
pal.color[i].green = col (g + p, p1);
pal.color[i].blue = col (b + p, p1);
}
for (i = 0; i < 32; i++)
{
pal.color[i].red = col (i * 2 + p, p1);
pal.color[i].green = col (i * 2 + p, p1);
pal.color[i].blue = col (p, p1);
}
for (i = 0; i < 32; i++)
{
pal.color[192 + i].red = col (i * 2 + p, p1);
pal.color[192 + i].green = col (i * 2 + p, p1);
pal.color[192 + i].blue = col (i * 2 + p, p1);
}
pal.color[0].red = 0;
pal.color[0].green = 0;
pal.color[0].blue = 0;
pal.color[255].red = col (64 + p, p1);
pal.color[255].green = col (64 + p, p1);
pal.color[255].blue = col (64 + p, p1);
WaitRetrace ();
SetPalette (&pal);
}
void
fadeout ()
{
if (!fadedout)
{
float i;
for (i = 1; i >= 0; i -= 0.1)
{
setcustompalette (0, i);
usleep (200), tbreak = 1;
}
setcustompalette (-65, 0);
fadedout = 1;
}
}
void
fadein ()
{
if (fadedout)
{
float i;
for (i = 0; i <= 1; i += 0.1)
{
setcustompalette (0, i);
usleep (200), tbreak = 1;
}
setcustompalette (0, 1);
fadedout = 0;
}
}
void
fadein1 () /*better for star background */
{
if (fadedout)
{
int i;
for (i = -64; i <= 0; i += 6)
{
setcustompalette (i, 1);
usleep (200), tbreak = 1;
}
setcustompalette (0, 1);
fadedout = 0;
}
}
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