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Effects.h
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Effects.h
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// This file is part of: Geiss screensaver and Winamp music visualization plug-in
// ___ ___ ___ ___ ___
// / __| __|_ _/ __/ __|
// | (_ | _| | |\__ \__ \
// \___|___|___|___/___/
// 3-Clause BSD License
//
// Copyright (c) 1998-2022 Ryan Geiss (@geissomatik)
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. 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.
//
// 3. Neither the name of the copyright holder 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 THE COPYRIGHT HOLDER OR CONTRIBUTORS 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.
#ifndef GEISS_EFFECTS
#define GEISS_EFFECTS 1
bool LoadCustomMsg(int iCustomMsgNum)
{
char section[] = "CUSTOM MESSAGES";
char message[64];
sprintf(message, "MESSAGE %d", iCustomMsgNum);
GetPrivateProfileString(section,message,"NOT FOUND",g_song_title,256,inifile);
if (!strcmp(g_song_title, "NOT FOUND"))
{
dumpmsg("Custom message not found:");
dumpmsg(section);
dumpmsg(message);
g_song_title[0] = 0;
return false;
}
return true;
}
void LoadPreset(int n)
{
char section[64];
sprintf(section, "PRESET %d", n);
char temp[64];
float fTemp;
GetPrivateProfileString(section,"x_center","-999",temp,64,inifile); sscanf(temp, "%f", &fTemp);
if (fTemp < -998)
{
dumpmsg("preset not found!");
return; // preset not present
}
new_gXC = fTemp*FXW;
GetPrivateProfileString(section,"y_center","0.5",temp,64,inifile); sscanf(temp, "%f", &fTemp);
new_gYC = fTemp*FXH;
new_mode = GetPrivateProfileInt(section,"mode",5,inifile);
new_waveform = GetPrivateProfileInt(section,"wave",1,inifile);
GetPrivateProfileString(section,"damping","1.0",temp,64,inifile); sscanf(temp, "%f", &new_damping);
weightsum = GetPrivateProfileInt(section,"magic",1,inifile);
g_bSlideShift = GetPrivateProfileInt(section,"shift",0,inifile);
gamma = GetPrivateProfileInt(section,"gamma",0,inifile);
int t = GetPrivateProfileInt(section,"volpos",10,inifile);
while (volpos < t) { volpos++; volscale *= 1.25f; };
while (volpos > t) { volpos--; volscale *= 0.80f; };
// these 8 are handled internally by GenerateChunkOfNewMap() (init part)
//char temp[64];
//GetPrivateProfileString(section,"t1","1",temp,64,inifile); sscanf(temp, "%f", &turn1);
//GetPrivateProfileString(section,"t2","1",temp,64,inifile); sscanf(temp, "%f", &turn2);
//GetPrivateProfileString(section,"s1","1",temp,64,inifile); sscanf(temp, "%f", &scale1);
//GetPrivateProfileString(section,"s2","1",temp,64,inifile); sscanf(temp, "%f", &scale2);
//GetPrivateProfileString(section,"f1","1",temp,64,inifile); sscanf(temp, "%f", &f1);
//GetPrivateProfileString(section,"f2","1",temp,64,inifile); sscanf(temp, "%f", &f2);
//GetPrivateProfileString(section,"f3","1",temp,64,inifile); sscanf(temp, "%f", &f3);
//GetPrivateProfileString(section,"f4","1",temp,64,inifile); sscanf(temp, "%f", &f4);
// these 8 are handled internally by GenerateChunkOfNewMap() (final part)
//effect[CHASERS] = GetPrivateProfileInt(section,"effect_chasers",0,inifile);
//effect[BAR] = GetPrivateProfileInt(section,"effect_bar" ,0,inifile);
//effect[DOTS] = GetPrivateProfileInt(section,"effect_dots" ,0,inifile);
//effect[SOLAR] = GetPrivateProfileInt(section,"effect_solar" ,0,inifile);
//effect[GRID] = GetPrivateProfileInt(section,"effect_grid" ,0,inifile);
//effect[NUCLIDE] = GetPrivateProfileInt(section,"effect_nuclide",0,inifile);
//effect[SHADE] = GetPrivateProfileInt(section,"effect_shadebobs",0,inifile);
old_palette.lo_band = GetPrivateProfileInt(section,"pal_lo_band",-1,inifile);
old_palette.hi_band = GetPrivateProfileInt(section,"pal_hi_band",-1,inifile);
old_palette.bFXPalette = (bool)GetPrivateProfileInt(section,"pal_bFX",-1,inifile);
old_palette.iFXPaletteNum = GetPrivateProfileInt(section,"pal_FXpalnum",-1,inifile);
old_palette.c1 = GetPrivateProfileInt(section,"pal_curve_id_1",-1,inifile);
old_palette.c2 = GetPrivateProfileInt(section,"pal_curve_id_2",-1,inifile);
old_palette.c3 = GetPrivateProfileInt(section,"pal_curve_id_3",-1,inifile);
#if PLUGIN
visMode = (GetPrivateProfileInt(section,"spectrum",0,inifile) == 1) ? spectrum : wave;
#endif
FX_Random_Palette(true);
y_map_pos = -1;
g_rush_map = true;
GenerateChunkOfNewMap(true, n);
}
void SavePreset(int n)
{
char section[64];
sprintf(section, "PRESET %d", n);
char string[64];
sprintf(string,"%f",gXC/(float)FXW); WritePrivateProfileString(section,"x_center",string,inifile);
sprintf(string,"%f",gYC/(float)FXH); WritePrivateProfileString(section,"y_center",string,inifile);
sprintf(string,"%d",mode); WritePrivateProfileString(section,"mode",string,inifile);
sprintf(string,"%f",damping); WritePrivateProfileString(section,"damping",string,inifile);
sprintf(string,"%d",waveform); WritePrivateProfileString(section,"wave",string,inifile);
sprintf(string,"%d",old_weightsum); WritePrivateProfileString(section,"magic",string,inifile);
sprintf(string,"%d",volpos); WritePrivateProfileString(section,"volpos",string,inifile);
sprintf(string,"%d",g_bSlideShift); WritePrivateProfileString(section,"shift",string,inifile);
sprintf(string,"%d",gamma); WritePrivateProfileString(section,"gamma",string,inifile);
sprintf(string,"%d",g_bSlideShift ); WritePrivateProfileString(section,"shift",string,inifile);
sprintf(string,"%f",old_turn1); WritePrivateProfileString(section,"t1",string,inifile);
sprintf(string,"%f",old_turn2); WritePrivateProfileString(section,"t2",string,inifile);
sprintf(string,"%f",old_scale1); WritePrivateProfileString(section,"s1",string,inifile);
sprintf(string,"%f",old_scale2); WritePrivateProfileString(section,"s2",string,inifile);
sprintf(string,"%f",old_f1); WritePrivateProfileString(section,"f1",string,inifile);
sprintf(string,"%f",old_f2); WritePrivateProfileString(section,"f2",string,inifile);
sprintf(string,"%f",old_f3); WritePrivateProfileString(section,"f3",string,inifile);
sprintf(string,"%f",old_f4); WritePrivateProfileString(section,"f4",string,inifile);
sprintf(string,"%d",effect[CHASERS]); WritePrivateProfileString(section,"effect_chasers",string,inifile);
sprintf(string,"%d",effect[BAR] ); WritePrivateProfileString(section,"effect_bar",string,inifile);
sprintf(string,"%d",effect[DOTS] ); WritePrivateProfileString(section,"effect_dots",string,inifile);
sprintf(string,"%d",effect[SOLAR] ); WritePrivateProfileString(section,"effect_solar",string,inifile);
sprintf(string,"%d",effect[GRID] ); WritePrivateProfileString(section,"effect_grid",string,inifile);
sprintf(string,"%d",effect[NUCLIDE]); WritePrivateProfileString(section,"effect_nuclide",string,inifile);
sprintf(string,"%d",effect[SHADE] ); WritePrivateProfileString(section,"effect_shadebobs",string,inifile);
sprintf(string,"%d",effect[SPECTRAL]);WritePrivateProfileString(section,"effect_spectral",string,inifile);
sprintf(string,"%d",old_palette.lo_band ); WritePrivateProfileString(section,"pal_lo_band",string,inifile);
sprintf(string,"%d",old_palette.hi_band ); WritePrivateProfileString(section,"pal_hi_oband",string,inifile);
sprintf(string,"%d",(int)old_palette.bFXPalette); WritePrivateProfileString(section,"pal_bFX",string,inifile);
sprintf(string,"%d",old_palette.iFXPaletteNum); WritePrivateProfileString(section,"pal_FXpalnum",string,inifile);
sprintf(string,"%d",old_palette.c1 ); WritePrivateProfileString(section,"pal_curve_id_1",string,inifile);
sprintf(string,"%d",old_palette.c2 ); WritePrivateProfileString(section,"pal_curve_id_2",string,inifile);
sprintf(string,"%d",old_palette.c3 ); WritePrivateProfileString(section,"pal_curve_id_3",string,inifile);
#if PLUGIN
if (visMode==spectrum) WritePrivateProfileString(section,"spectrum","1",inifile);
else WritePrivateProfileString(section,"spectrum","0",inifile);
#else
WritePrivateProfileString(section,"spectrum","0",inifile);
#endif
}
void ShadeBobs()
{
for (int x=0; x<effect[SHADE]; x++)
{
int cr,cg,cb;
int k, a, b;
int D_offset;
cr = (int)(1 + sinf(floatframe*micro_c1[x]));
cg = (int)(1 + sinf(floatframe*micro_c2[x]));
cb = (int)(1 + sinf(floatframe*micro_c3[x]));
a = gXC + (int)(micro_rad[0][x]*cosf(floatframe*micro_f1[x]) + micro_rad[2][x]*cosf(floatframe*micro_f2[x]));
b = gYC + (int)(micro_rad[1][x]*cosf(floatframe*micro_f3[x]) + micro_rad[3][x]*cosf(floatframe*micro_f4[x]));
for ( k=0; k<4; k++ )
{
b += (rand()%5) - 2;
a += (rand()%5) - 2;
//return; // no problems if we return here
if (b>FX_YCUT && b<FXH-1-FX_YCUT)
{
//return; // screws up if we return here!
D_offset = b*FXW + a;
if (iDispBits==8)
{
if (VS1[D_offset ] < 250) VS1[D_offset ]+=2;
if (VS1[D_offset+ 1] < 250) VS1[D_offset+ 1]+=1;
if (VS1[D_offset- 1] < 250) VS1[D_offset- 1]+=1;
if (VS1[D_offset+FXW] < 250) VS1[D_offset+FXW]+=1;
if (VS1[D_offset-FXW] < 250) VS1[D_offset-FXW]+=1;
}
else //if (iDispBits==32)
{
D_offset *= 4;
if (cr==1)
{
if (VS1[D_offset ] < 250) VS1[D_offset ]+=5;
if (VS1[D_offset+ 4] < 250) VS1[D_offset+ 4]+=3;
if (VS1[D_offset- 4] < 250) VS1[D_offset- 4]+=3;
if (VS1[D_offset+FXW*4] < 250) VS1[D_offset+FXW*4]+=3;
if (VS1[D_offset-FXW*4] < 250) VS1[D_offset-FXW*4]+=3;
}
D_offset++;
if (cg==1)
{
if (VS1[D_offset ] < 250) VS1[D_offset ]+=5;
if (VS1[D_offset+ 4] < 250) VS1[D_offset+ 4]+=3;
if (VS1[D_offset- 4] < 250) VS1[D_offset- 4]+=3;
if (VS1[D_offset+FXW*4] < 250) VS1[D_offset+FXW*4]+=3;
if (VS1[D_offset-FXW*4] < 250) VS1[D_offset-FXW*4]+=3;
}
D_offset++;
if (cb==1)
{
if (VS1[D_offset ] < 250) VS1[D_offset ]+=5;
if (VS1[D_offset+ 4] < 250) VS1[D_offset+ 4]+=3;
if (VS1[D_offset- 4] < 250) VS1[D_offset- 4]+=3;
if (VS1[D_offset+FXW*4] < 250) VS1[D_offset+FXW*4]+=3;
if (VS1[D_offset-FXW*4] < 250) VS1[D_offset-FXW*4]+=3;
}
}
}
}
}
}
void Diminish_Center(unsigned char *p1)
{
bool bCenter = (mode != 12); // center point, or vert line?
if (center_dwindle < 0.999)
{
if (bCenter)
{
if (iDispBits>8)
{
for (int i=0; i<3; i++)
{
if (p1[(gXC +(gYC )*FXW)*4] > 1) p1[(gXC +(gYC )*FXW)*4] = (unsigned char)(p1[(gXC +(gYC )*FXW)*4] * center_dwindle);
if (p1[(gXC-1 +(gYC )*FXW)*4] > 1) p1[(gXC-1 +(gYC )*FXW)*4] = (unsigned char)(p1[(gXC-1 +(gYC )*FXW)*4] * center_dwindle);
if (p1[(gXC+1 +(gYC )*FXW)*4] > 1) p1[(gXC+1 +(gYC )*FXW)*4] = (unsigned char)(p1[(gXC+1 +(gYC )*FXW)*4] * center_dwindle);
if (p1[(gXC +(gYC+1)*FXW)*4] > 1) p1[(gXC +(gYC+1)*FXW)*4] = (unsigned char)(p1[(gXC +(gYC+1)*FXW)*4] * center_dwindle);
if (p1[(gXC +(gYC-1)*FXW)*4] > 1) p1[(gXC +(gYC-1)*FXW)*4] = (unsigned char)(p1[(gXC +(gYC-1)*FXW)*4] * center_dwindle);
p1 = &p1[1];
}
}
else
{
if (p1[gXC +(gYC )*FXW] > 1) p1[gXC +(gYC )*FXW] = (unsigned char)(p1[gXC +(gYC )*FXW] * center_dwindle);
if (p1[gXC-1 +(gYC )*FXW] > 1) p1[gXC-1 +(gYC )*FXW] = (unsigned char)(p1[gXC-1 +(gYC )*FXW] * center_dwindle);
if (p1[gXC+1 +(gYC )*FXW] > 1) p1[gXC+1 +(gYC )*FXW] = (unsigned char)(p1[gXC+1 +(gYC )*FXW] * center_dwindle);
if (p1[gXC +(gYC+1)*FXW] > 1) p1[gXC +(gYC+1)*FXW] = (unsigned char)(p1[gXC +(gYC+1)*FXW] * center_dwindle);
if (p1[gXC +(gYC-1)*FXW] > 1) p1[gXC +(gYC-1)*FXW] = (unsigned char)(p1[gXC +(gYC-1)*FXW] * center_dwindle);
}
}
else // vertical line
{
int offset;
if (iDispBits>8)
{
offset = (FX_YCUT*FXW + gXC) * 4;
int o_inc = FXW*4;
for (int i=FX_YCUT; i<FXH-FX_YCUT; i++)
{
p1[offset-4] = (unsigned char)(p1[offset-4] * center_dwindle);
p1[offset-3] = (unsigned char)(p1[offset-3] * center_dwindle);
p1[offset-2] = (unsigned char)(p1[offset-2] * center_dwindle);
p1[offset ] = (unsigned char)(p1[offset ] * center_dwindle);
p1[offset+1] = (unsigned char)(p1[offset+1] * center_dwindle);
p1[offset+2] = (unsigned char)(p1[offset+2] * center_dwindle);
p1[offset+4] = (unsigned char)(p1[offset+4] * center_dwindle);
p1[offset+5] = (unsigned char)(p1[offset+5] * center_dwindle);
p1[offset+6] = (unsigned char)(p1[offset+6] * center_dwindle);
offset += o_inc;
}
}
else
{
offset = (FX_YCUT*FXW + gXC);
for (int i=FX_YCUT; i<FXH-FX_YCUT; i++)
{
p1[offset-1] = (unsigned char)(p1[offset-1] * center_dwindle);
p1[offset ] = (unsigned char)(p1[offset ] * center_dwindle);
p1[offset+1] = (unsigned char)(p1[offset+1] * center_dwindle);
offset += FXW;
}
}
}
}
}
void Drop_Solar_Particles_320(int n)
{
unsigned char p1, p2, p3;
int x, y;
int D_offset, k;
float newx;
int z, z0, z1, i0, i1, i2;
int FXW4 = FXW * 4;
if (iDispBits==8)
{
n *= 4;
}
for (k=n; k>0; k--)
{
newx = 100;
while (newx >= 17)
{
y = rand() % 48 - 24;
x = rand() % 64 - 32;
newx = sqrtf(x*x + y*y);
}
y += gYC;
x += gXC;
if (y>FX_YCUT && y<FXH-1-FX_YCUT)
{
D_offset = y*320 + x;
p1 = rand()%256;
p2 = rand()%256;
p3 = rand()%256;
if (iDispBits==8)
{
i0 = ((17-newx)*12.0)*(p1/256.0);
i1 = ((17-newx)* 3.0)*(p1/256.0);
i2 = ((17-newx)* 0.8)*(p1/256.0);
i0 = 2 + rand()%3;
i1 = i0/2;
i2 = i1/2;
if (VS1[D_offset] < 207-i0)
{
VS1[D_offset] += i0;
VS1[D_offset+1] += i1;
VS1[D_offset-1] += i1;
VS1[D_offset+320] += i1;
VS1[D_offset-320] += i1;
VS1[D_offset-321] += i2;
VS1[D_offset-319] += i2;
VS1[D_offset+319] += i2;
VS1[D_offset+321] += i2;
}
}
else //if (iDispBits > 8)
{
D_offset *= 4;
i0 = ((17-newx)*12.0)*(p1/256.0);
i1 = ((17-newx)* 3.0)*(p1/256.0);
i2 = ((17-newx)* 0.8)*(p1/256.0);
if (VS1[D_offset] < 207-i0)
{
VS1[D_offset] += i0;
VS1[D_offset+4] += i1;
VS1[D_offset-4] += i1;
VS1[D_offset+FXW4] += i1;
VS1[D_offset-FXW4] += i1;
VS1[D_offset-FXW4-4] += i2;
VS1[D_offset-FXW4+4] += i2;
VS1[D_offset+FXW4-4] += i2;
VS1[D_offset+FXW4+4] += i2;
}
D_offset ++;
i0 = ((17-newx)*12.0)*(p2/256.0);
i1 = ((17-newx)* 3.0)*(p2/256.0);
i2 = ((17-newx)* 0.8)*(p2/256.0);
if (VS1[D_offset] < 207-i0)
{
VS1[D_offset] += i0;
VS1[D_offset+4] += i1;
VS1[D_offset-4] += i1;
VS1[D_offset+FXW4] += i1;
VS1[D_offset-FXW4] += i1;
VS1[D_offset-FXW4-4] += i2;
VS1[D_offset-FXW4+4] += i2;
VS1[D_offset+FXW4-4] += i2;
VS1[D_offset+FXW4+4] += i2;
}
D_offset ++;
i0 = ((17-newx)*12.0)*(p3/256.0);
i1 = ((17-newx)* 3.0)*(p3/256.0);
i2 = ((17-newx)* 0.8)*(p3/256.0);
if (VS1[D_offset] < 207-i0)
{
VS1[D_offset] += i0;
VS1[D_offset+4] += i1;
VS1[D_offset-4] += i1;
VS1[D_offset+FXW4] += i1;
VS1[D_offset-FXW4] += i1;
VS1[D_offset-FXW4-4] += i2;
VS1[D_offset-FXW4+4] += i2;
VS1[D_offset+FXW4-4] += i2;
VS1[D_offset+FXW4+4] += i2;
}
}
}
}
}
void Drop_Solar_Particles(int n)
{
int x, y;
int D_offset, k;
float newx, xf, yf;
int z, z0, z1, i0, i1, i2;
int FXW4 = FXW * 4;
if (iDispBits==8)
{
n *= 4;
}
for (k=n; k>0; k--)
{
newx = 100;
int its=0;
while (newx >= 35)
{
y = (rand() % 72 - 36);
x = (rand() % 96 - 48);
newx = sqrtf(x*x + y*y); // max. here is 80, but we clip at 48.
//newx *= newx;
//newx *= newx;
//newx *= (1.0/(80.0*80.0));
//its++;
//if (its > 9999) exit(9999);
}
y += gYC;
x += gXC;
if (y>FX_YCUT && y<FXH-1-FX_YCUT)
{
D_offset = y*FXW + x;
if (iDispBits==8)
{
i0 = 2 + rand()%2 + (35-newx)/9;
i1 = i0-1;
i2 = i1-1;
if (VS1[D_offset] < 207-i0)
{
VS1[D_offset] += i0;
VS1[D_offset+1] += i1;
VS1[D_offset-1] += i1;
VS1[D_offset+FXW] += i1;
VS1[D_offset-FXW] += i1;
VS1[D_offset-FXW-1] += i2;
VS1[D_offset-FXW+1] += i2;
VS1[D_offset+FXW-1] += i2;
VS1[D_offset+FXW+1] += i2;
}
}
else //if (iDispBits > 8)
{
D_offset *= 4;
i0 = 4 + rand()%30 * (35-newx)/25;
i1 = i0-3;
i2 = i1/2;
if (VS1[D_offset] < 207-i0)
{
VS1[D_offset] += i0;
VS1[D_offset+4] += i1;
VS1[D_offset-4] += i1;
VS1[D_offset+FXW4] += i1;
VS1[D_offset-FXW4] += i1;
VS1[D_offset-FXW4-4] += i2;
VS1[D_offset-FXW4+4] += i2;
VS1[D_offset+FXW4-4] += i2;
VS1[D_offset+FXW4+4] += i2;
}
D_offset ++;
i0 = 4 + rand()%30 * (35-newx)/25;
i1 = i0-3;
i2 = i1/2;
if (VS1[D_offset] < 207-i0)
{
VS1[D_offset] += i0;
VS1[D_offset+4] += i1;
VS1[D_offset-4] += i1;
VS1[D_offset+FXW4] += i1;
VS1[D_offset-FXW4] += i1;
VS1[D_offset-FXW4-4] += i2;
VS1[D_offset-FXW4+4] += i2;
VS1[D_offset+FXW4-4] += i2;
VS1[D_offset+FXW4+4] += i2;
}
D_offset ++;
i0 = 4 + rand()%30 * (35-newx)/25;
i1 = i0-3;
i2 = i1/2;
if (VS1[D_offset] < 207-i0)
{
VS1[D_offset] += i0;
VS1[D_offset+4] += i1;
VS1[D_offset-4] += i1;
VS1[D_offset+FXW4] += i1;
VS1[D_offset-FXW4] += i1;
VS1[D_offset-FXW4-4] += i2;
VS1[D_offset-FXW4+4] += i2;
VS1[D_offset+FXW4-4] += i2;
VS1[D_offset+FXW4+4] += i2;
}
}
}
}
}
void Solid_Line(float frame, unsigned char far *VS2)
{
if (FXW==320)
{
int k, a, b, k2;
float newx, newy, newx2, newy2;
frame = frame*0.55/(0.08*20);
newx = gXC + (12*cosf(frame*0.1102+10) + 15*cosf(frame*0.1312+20)); // DO NOT
newy = gYC + (11*cosf(frame*0.1204+40) + 10*cosf(frame*0.1715+30)); // ERASE!
newx2 = gXC + (10*cosf(frame*0.1213+33) + 13*cosf(frame*0.1408+15)); // DO NOT
newy2 = gYC + ( 9*cosf(frame*0.1304+12) + 11*cosf(frame*0.1103+21)); // ERASE!
for (k=0; k<43; k++)
{
a = newx*(k/43.0) + newx2*(1-k/43.0);
b = newy*(k/43.0) + newy2*(1-k/43.0);
if (b>FX_YCUT && b<FXH-1-FX_YCUT)
{
k2 = b*320+a;
if (iDispBits>8) k2 *= 4;
if (VS2[k2] < 223) VS2[k2] += 16;
}
}
}
else
{
int k, a, b, offset;
float newx, newy, newx2, newy2;
float s = FXW/640.0;
frame = frame*0.55/(0.08*20);
newx = gXC + (s*16*cosf(frame*0.1102+10) + s*15*cosf(frame*0.1312+20)); // DO NOT
newy = gYC + (s*15*cosf(frame*0.1204+40) + s*10*cosf(frame*0.1715+30)); // ERASE!
newx2 = gXC + (s*14*cosf(frame*0.1213+33) + s*13*cosf(frame*0.1408+15)); // DO NOT
newy2 = gYC + (s*13*cosf(frame*0.1304+12) + s*11*cosf(frame*0.1103+21)); // ERASE!
int k2 = s*50;
float inv_s = 1.0f/(float)k2;
for (k=0; k<k2; k++)
{
a = newx*(k*inv_s) + newx2*(1-k*inv_s);
b = newy*(k*inv_s) + newy2*(1-k*inv_s);
if (b>FX_YCUT && b<FXH-1-FX_YCUT)
{
offset = b*FXW+a;
if (iDispBits>8) offset *= 4;
if (VS2[offset] < 223) VS2[offset] += 16;
}
}
}
}
void Two_Chasers(float frame)
{
int k, a, b;
float s = FXW/640.0;
float t = frame;
float time_scale = 1.0f;
if (fps_at_last_mode_switch >= 10.0f && fps_at_last_mode_switch < 120.0f)
time_scale = 30.0f/fps_at_last_mode_switch;
t *= time_scale;
// temp work: draw line
/*
{
#include "draw.h"
pt2d p, q;
color_td color;
color.r = 255;
color.a = 255;//128 + 127*sinf(frame*0.07);
p.x = gXC + (s*84*cosf(frame*0.1102+10) + s*75*cosf(frame*0.1312+20));
p.y = gYC + (s*64*cosf(frame*0.1204+40) + s*65*cosf(frame*0.1715+30));
q.x = gXC + (s*54*cosf(frame*0.1213+33) + s*65*cosf(frame*0.1408+15));
q.y = gYC + (s*62*cosf(frame*0.1304+12) + s*61*cosf(frame*0.1103+21));
Smooth_Line(p, q, color, VS1, iDispBits, FXW);
}
*/
int passes = (effect[CHASERS]==2) ? 2 : 1;
int k2 = (int)(20*s);
for (k=0; k<k2; k++)
{
t = t + 0.08f*time_scale*20/(float)k2;
for (int pass=0; pass<passes; pass++)
{
if (pass==0)
{
a = gXC + (int)(s*74*cosf(t*0.1102f+10.0f) + s*65*cosf(t*0.1312f+20.0f));
b = gYC + (int)(s*54*cosf(t*0.1204f+40.0f) + s*55*cosf(t*0.1715f+30.0f));
}
else
{
a = gXC + (int)(s*64*cosf(t*0.1213f+33.0f) + s*55*cosf(t*0.1408f+15.0f));
b = gYC + (int)(s*52*cosf(t*0.1304f+12.0f) + s*51*cosf(t*0.1103f+21.0f));
}
if (b>FX_YCUT && b<FXH-1-FX_YCUT)
{
int offset = (b*FXW+a) * ((iDispBits==8) ? 1 : 4);
if (iDispBits>8)
{
VS1[offset ] = 255-(255-VS1[offset ])*0.6f;
VS1[offset+1] = 255-(255-VS1[offset+1])*0.6f;
VS1[offset+2] = 255-(255-VS1[offset+2])*0.6f;
}
else //if (iDispBits==8) //3.40
{
VS1[offset] = 255-(255-VS1[offset])*0.6f;
}
}
}
}
}
void Nuclide()
{
// also see RenderWave()
if (!SoundActive || SoundEmpty)// && iDispBits==8)
{
//if ((iDispBits==8 && rand()%28==0) || (iDispBits>8 && rand()%12==0))
if (rand()%12==0)
{
int nodes = 3 + rand()%5;
int n;
int phase = rand()%1000;
int rad = (20 + rand()%30);
int x,y,cx,cy,str,val;
int r;// = rand()%8 + 3; // MAX is **10**
if (FXW==320)
r = 2 + rand()%6;
else
r = 3 + rand()%8;
if (FXW==320)
rad = 22 + rand()%6; //min(35, 14 + 0.7*vol);//(20 + rand()%30);
else
rad = 34 + rand()%8; //min(50, 20 + vol);//(20 + rand()%30);
float cr=1.0, cg=1.0, cb=1.0;
if (iDispBits>8)
{
int intfram = intframe + chaser_offset;
float f = 7*sinf(intfram*0.007+29) + 5*cosf(intfram*0.0057+27);
cr = 0.5 + 0.25*sinf(intfram*gF[0] +20-f) + 0.25*cosf(intfram*gF[3] +17+f);
cg = 0.5 + 0.25*sinf(intfram*gF[1] +42+f) + 0.25*cosf(intfram*gF[4] +26-f);
cb = 0.5 + 0.25*sinf(intfram*gF[2] +57-f) + 0.25*cosf(intfram*gF[5] +35+f);
}
for (n=0; n<nodes; n++)
{
cx = gXC + rad*cosf(n/(float)nodes * 6.28 + phase);
cy = gYC + rad*sinf(n/(float)nodes * 6.28 + phase);
if (cy-10>FX_YCUT && cy+10<FXH-1-FX_YCUT)
{
long D_offset = cy*FXW + cx;
if (iDispBits>8) D_offset *= 4;
long T_offset;
for (x=-10; x<10; x++)
for (y=-10; y<10; y++)
{
T_offset = y*FXW + x;
val = (r-sqrtf(x*x + y*y))*25;
if (val>0)
{
if (iDispBits==8)
{
str = VS1[D_offset+T_offset] + val;
VS1[D_offset+T_offset] = min(255, str);
}
/*
else if (iDispBits==16)
{
str = VS1[D_offset+T_offset] + val*cr;
VS1[D_offset+T_offset] = min(255, str);
str = VS3[D_offset+T_offset] + val*cg;
VS3[D_offset+T_offset] = min(255, str);
str = VS5[D_offset+T_offset] + val*cb;
VS5[D_offset+T_offset] = min(255, str);
}
*/
else //if (iDispBits==32)
{
T_offset *= 4;
str = VS1[D_offset+T_offset] + val*cr;
VS1[D_offset+T_offset] = min(255, str);
str = VS1[D_offset+T_offset+1] + val*cg;
VS1[D_offset+T_offset+1] = min(255, str);
str = VS1[D_offset+T_offset+2] + val*cb;
VS1[D_offset+T_offset+2] = min(255, str);
}
}
}
}
}
}
}
}
/*
void Neutrons()
{
if (iDispBits==8)
{
if (intframe%3==0 && rand()%3==0)
{
int x,y,cx,cy,str,val;
cx = rand() % (FXW - 40) + 20;
cy = rand() % (FXH - (FX_YCUT+20)*2 ) + (FX_YCUT+20);
long D_offset = cy*FXW + cx;
long T_offset;
for (x=-10; x<10; x++)
for (y=-10; y<10; y++)
{
T_offset = y*FXW + x;
val = max(0, (10-sqrtf(x*x + y*y))*25);
str = VS1[D_offset+T_offset] + val;
VS1[D_offset+T_offset] = min(255, str);
}
}
}
}
*/
void One_Dotty_Chaser(float frame)
{
int a, b, k;
float s = FXW/640.0;
float t = frame;
if (fps_at_last_mode_switch >= 10.0f && fps_at_last_mode_switch < 120.0f)
t *= 30.0f/fps_at_last_mode_switch;
a = gXC + (int)(s*64*cosf(t*0.0613+33) + s*55*cosf(t*0.0708+15));
b = gYC + (int)(s*52*cosf(t*0.0704+12) + s*51*cosf(t*0.0503+21));
if (b>FX_YCUT && b<FXH-1-FX_YCUT)
{
chaser_ptr++;
chaser_ptr %= 20;
chaser_x[chaser_ptr] = a;
chaser_y[chaser_ptr] = b;
chaser_r[chaser_ptr] = 127+126*sinf(t*0.0613+33);
chaser_g[chaser_ptr] = 127+126*sinf(t*0.0713+30);
chaser_b[chaser_ptr] = 127+126*sinf(t*0.0513+27);
for (k=0; k<20; k++)
{
if (iDispBits==8)
{
int offset = chaser_y[k]*FXW+chaser_x[k];
VS1[offset] = chaser_r[k];
if (FXW >= 1050) //the palletized ones don't look good fat until later...
{
VS1[offset+1] = chaser_r[k];
VS1[offset+FXW] = chaser_r[k];
VS1[offset+FXW+1] = chaser_r[k];
}
}
else //if (iDispBits == 32)
{
int offset = (chaser_y[k]*FXW+chaser_x[k])*4;
VS1[offset ] = chaser_r[k];
VS1[offset+1] = chaser_g[k];
VS1[offset+2] = chaser_b[k];
if (FXW >= 880) //the truecolor ones look better FAT even at pretty low resolutions.
{
VS1[offset+4] = chaser_r[k];
VS1[offset+5] = chaser_g[k];
VS1[offset+6] = chaser_b[k];
VS1[offset+FXW*4 ] = chaser_r[k];
VS1[offset+FXW*4+1] = chaser_g[k];
VS1[offset+FXW*4+2] = chaser_b[k];
VS1[offset+FXW*4+4] = chaser_r[k];
VS1[offset+FXW*4+5] = chaser_g[k];
VS1[offset+FXW*4+6] = chaser_b[k];
}
}
chaser_x[k]++;
}
}
}
void Mode6Edges()
{
int D_offset_1;
int D_offset_2;
int x;
if (iDispBits>8)
{
D_offset_1 = (FXH-FX_YCUT-1)*FXW*4;
D_offset_2 = ( FX_YCUT-1)*FXW*4;
int c1,c2,c3,c4,c5,c6;
for (x=0; x<FXW; x++)
{
c1 = 99 + 99*sinf(intframe*0.040 + x*0.031); //red
c2 = 99 + 99*sinf(intframe*-0.030 + x*0.024);
c3 = 99 + 99*sinf(intframe*0.037 + x*0.035); //green
c4 = 99 + 99*sinf(intframe*-0.032 + x*0.028);
c5 = 99 + 99*sinf(intframe*0.031 + x*0.033); //blue
c6 = 99 + 99*sinf(intframe*-0.035 + x*0.029);
VS1[D_offset_1 + FXW*4] = rand()%40 + c1;
VS1[D_offset_1 ] = rand()%40 + c1;
VS1[D_offset_1 - FXW*4] = rand()%40 + c1;
VS1[D_offset_2 + FXW*4] = rand()%40 + c2;
VS1[D_offset_2 ] = rand()%40 + c2;
VS1[D_offset_2 - FXW*4] = rand()%40 + c2;
D_offset_1++;
D_offset_2++;
VS1[D_offset_1 + FXW*4] = rand()%40 + c3;
VS1[D_offset_1 ] = rand()%40 + c3;
VS1[D_offset_1 - FXW*4] = rand()%40 + c3;
VS1[D_offset_2 + FXW*4] = rand()%40 + c4;
VS1[D_offset_2 ] = rand()%40 + c4;
VS1[D_offset_2 - FXW*4] = rand()%40 + c4;
D_offset_1++;
D_offset_2++;
VS1[D_offset_1 + FXW*4] = rand()%40 + c5;
VS1[D_offset_1 ] = rand()%40 + c5;
VS1[D_offset_1 - FXW*4] = rand()%40 + c5;
VS1[D_offset_2 + FXW*4] = rand()%40 + c6;
VS1[D_offset_2 ] = rand()%40 + c6;
VS1[D_offset_2 - FXW*4] = rand()%40 + c6;
D_offset_1 += 2;
D_offset_2 += 2;
}
}
else
{
D_offset_1 = (FXH-FX_YCUT-1)*FXW;
D_offset_2 = ( FX_YCUT-1)*FXW;
for (x=0; x<FXW; x++)
{
int c1 = 40 + 40*sinf(intframe*0.040 + x*0.031);
int c2 = 40 + 40*sinf(intframe*-0.030 + x*0.024);
VS1[D_offset_1 + FXW] = rand()%40 + c1;
VS1[D_offset_1 ] = rand()%40 + c1;
VS1[D_offset_1 - FXW] = rand()%40 + c1;
VS1[D_offset_2 + FXW] = rand()%40 + c2;
VS1[D_offset_2 ] = rand()%40 + c2;
VS1[D_offset_2 - FXW] = rand()%40 + c2;
D_offset_1++;
D_offset_2++;
}
D_offset_1 = (FXH-FX_YCUT-1)*FXW;
D_offset_2 = ( FX_YCUT-1)*FXW;
/*
if (iDispBits == 16)
for (x=0; x<FXW; x++)
{
int c1 = 40 + 40*sinf(intframe*0.037 + x*0.035);
int c2 = 40 + 40*sinf(intframe*-0.032 + x*0.028);
VS3[D_offset_1 + FXW] = rand()%40 + c1;
VS3[D_offset_1 ] = rand()%40 + c1;
VS3[D_offset_1 - FXW] = rand()%40 + c1;
VS3[D_offset_2 + FXW] = rand()%40 + c2;
VS3[D_offset_2 ] = rand()%40 + c2;
VS3[D_offset_2 - FXW] = rand()%40 + c2;
c1 = 40 + 40*sinf(intframe*0.031 + x*0.033);
c2 = 40 + 40*sinf(intframe*-0.035 + x*0.029);
VS5[D_offset_1 + FXW] = rand()%40 + c1;
VS5[D_offset_1 ] = rand()%40 + c1;
VS5[D_offset_1 - FXW] = rand()%40 + c1;
VS5[D_offset_2 + FXW] = rand()%40 + c2;
VS5[D_offset_2 ] = rand()%40 + c2;
VS5[D_offset_2 - FXW] = rand()%40 + c2;
D_offset_1++;
D_offset_2++;
}
*/
}
}
void Grid()
{
int xInc = FXW/30;//(FXW >= 800) ? FXW/40 : FXW/30;//FXW/30;
int yInc = xInc;//FXH/40;
unsigned char s = max(0, 65 + 45*sinf(intframe*0.06033f*30.0f/fps_at_last_mode_switch )
+ 35*cosf(intframe*0.04710f*30.0f/fps_at_last_mode_switch+1)
+ 25*cosf(intframe*0.00523f*30.0f/fps_at_last_mode_switch-1)
);
int x, dir, y;
int k1, k;
dir = (intframe%xInc);
if (grid_dir==1) // grid_dir is either 1 or -1
dir *= -1;
for (y=FX_YCUT_HIDE; y<FXH-FX_YCUT_HIDE; y+=yInc)
{
k1 = y*FXW;
if (iDispBits>8) k1 *= 4;
if (iDispBits==8)
{
if (FXW >= 1700) // FAT PIXELS
{
for (x=0; x<FXW-1; x+=xInc)
{
k = k1 + x + dir;
if (VS1[k]<s) VS1[k] = s; //150;
if (VS1[k+1]<s) VS1[k+1] = s; //150;
if (VS1[k+FXW]<s) VS1[k+FXW] = s; //150;
if (VS1[k+FXW+1]<s) VS1[k+FXW+1] = s; //150;
}
}
else //skinny pixels
{
for (x=0; x<FXW; x+=xInc)
{
k = k1 + x + dir;
if (VS1[k]<s) VS1[k] = s; //150;
}
}
}
else //32-bit
{
if (FXW >= 1800) // FAT PIXELS
{
for (x=0; x<FXW-1; x+=xInc)
{
k = k1 + (x + dir)*4;
if (VS1[k ]<s) VS1[k ] = s; //150;
if (VS1[k+1]<s) VS1[k+1] = s; //150;
if (VS1[k+2]<s) VS1[k+2] = s; //150;
k += 4;