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I guess I can just put this up. Most of these have been sitting here forever.

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GNU GENERAL PUBLIC LICENSE
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Random single-file programs I've written in my spare time for small tasks.
* ckmextract: Extracts ESP and BSA from Skyrim steam workshop mod archives.
* ddsinfo: Shows contents of a DDS header.
* dood: Reads an ENDOOM lump and mirrors every word "down the middle".
* fmod\_playbank (formerly fuck\_fmod): Tool for playback of .fsb files.
* fuzz: A fancy blocky noise filter using proto-AliceGL designs.
* glfuzz: OpenGL version of the filter.
* lutconv: A program for converting various "3D" LUT textures to actual 3D LUTs
in DDS volume maps. Successor to mkvolume. Used for MariENB.
* memrd/memsk/memwr: Quick 'n dirty tools for memory manipulation on running
programs.
* mkgauss: Make an array of gaussian blur kernel values with passed radius and
sigma. Used for shader development.
* mksoundwad: Program used during the early days of Tim Allen Doom. Deprecated
as notsanae now also replaces sounds through an OpenAL hook.
* mkssao: Make an array of SSAO samples. Also for shader development.
* mkvolume: Old program for making LUT volume maps.
* mkwall: A program I use on a daily basis to set my wallpaper on every Linux
machine.
* osnorm: Experiment for generating object-space normals from an .obj model.
* schange: Program used along with mkwall to update the wallpaper on screen
geometry changes.
* skse_cosave: Experiment for dumping information in SKSE co-saves.
* soapstone: Random soapstone messages from all 3 dark souls games. Messages
can be generated in bulk.
* totty: Sends text from stdin to tty1. Used to send certain commands when
remoting into a Raspberry Pi.
* vc2sdl: Passes the contents of the VC4 framebuffer to a SDL window. Was used
for video playback experiments on a Raspberry Pi with a SPI LCD.
* withhands: Talk like W.D. Gaster.
* zfs-rootfs.patch: The original patch for archzfs to support my specific
rootfs dataset mountpoint quirks.
* zimagekver: Quick program to extract version info from an ARM Linux kernel
image.
All programs and code here are under the GPLv3 unless stated otherwise.

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#include <stdio.h>
#include <libgen.h>
#include <string.h>
int main( int argc, char **argv )
{
if ( argc < 2 ) return 1;
FILE *ckm = fopen(argv[1],"rb");
char *ckmfil = basename(argv[1]);
char bsafil[256];
char espfil[256];
strcpy(bsafil,ckmfil);
strcpy(espfil,ckmfil);
strcpy(strchr(bsafil,'.'),".bsa");
strcpy(strchr(espfil,'.'),".esp");
int siz;
fread(&siz,1,4,ckm);
FILE *bsa = fopen(bsafil,"wb");
while ( (siz > 0) )
{
char buf[8192];
int rd = fread(buf,1,(siz>8192)?8192:siz,ckm);
fwrite(buf,1,rd,bsa);
siz -= rd;
}
fclose(bsa);
fread(&siz,1,4,ckm);
FILE *esp = fopen(espfil,"wb");
while ( !feof(ckm) )
{
char buf[8192];
int rd = fread(buf,1,8192,ckm);
fwrite(buf,1,rd,esp);
}
fclose(esp);
return 0;
}

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#include <stdio.h>
#include <errno.h>
#include <string.h>
#define dword __UINT32_TYPE__
#define byte __UINT8_TYPE__
typedef struct
{
char magic[4];
dword size, flags, height, width, pitch, depth, mipmaps;
char reserved1[44];
dword pf_size, pf_flags;
char pf_fourcc[4];
dword pf_bitcount, pf_rmask, pf_gmask, pf_bmask, pf_amask, caps[4],
reserved2;
} __attribute__((packed)) ddsheader_t;
// flags
#define DDSD_CAPS 0x1
#define DDSD_HEIGHT 0x2
#define DDSD_WIDTH 0x4
#define DDSD_PITCH 0x8
#define DDSD_PIXELFORMAT 0x1000
#define DDSD_MIPMAPCOUNT 0x20000
#define DDSD_LINEARSIZE 0x80000
#define DDSD_DEPTH 0x800000
// caps[0]
#define DDSCAPS_COMPLEX 0x8
#define DDSCAPS_MIPMAP 0x400000
#define DDSCAPS_TEXTURE 0x1000
// caps[1]
#define DDSCAPS2_CUBEMAP 0x200
#define DDSCAPS2_CUBEMAP_POSITIVEX 0x400
#define DDSCAPS2_CUBEMAP_NEGATIVEX 0x800
#define DDSCAPS2_CUBEMAP_POSITIVEY 0x1000
#define DDSCAPS2_CUBEMAP_NEGATIVEY 0x2000
#define DDSCAPS2_CUBEMAP_POSITIVEZ 0x4000
#define DDSCAPS2_CUBEMAP_NEGATIVEZ 0x8000
#define DDSCAPS2_VOLUME 0x200000
// pf_flags
#define DDPF_ALPHAPIXELS 0x1
#define DDPF_ALPHA 0x2
#define DDPF_FOURCC 0x4
#define DDPF_RGB 0x40
#define DDPF_YUV 0x200
#define DDPF_LUMINANCE 0x20000
enum DXGI_FORMAT
{
DXGI_FORMAT_UNKNOWN = 0,
DXGI_FORMAT_R32G32B32A32_TYPELESS = 1,
DXGI_FORMAT_R32G32B32A32_FLOAT = 2,
DXGI_FORMAT_R32G32B32A32_UINT = 3,
DXGI_FORMAT_R32G32B32A32_SINT = 4,
DXGI_FORMAT_R32G32B32_TYPELESS = 5,
DXGI_FORMAT_R32G32B32_FLOAT = 6,
DXGI_FORMAT_R32G32B32_UINT = 7,
DXGI_FORMAT_R32G32B32_SINT = 8,
DXGI_FORMAT_R16G16B16A16_TYPELESS = 9,
DXGI_FORMAT_R16G16B16A16_FLOAT = 10,
DXGI_FORMAT_R16G16B16A16_UNORM = 11,
DXGI_FORMAT_R16G16B16A16_UINT = 12,
DXGI_FORMAT_R16G16B16A16_SNORM = 13,
DXGI_FORMAT_R16G16B16A16_SINT = 14,
DXGI_FORMAT_R32G32_TYPELESS = 15,
DXGI_FORMAT_R32G32_FLOAT = 16,
DXGI_FORMAT_R32G32_UINT = 17,
DXGI_FORMAT_R32G32_SINT = 18,
DXGI_FORMAT_R32G8X24_TYPELESS = 19,
DXGI_FORMAT_D32_FLOAT_S8X24_UINT = 20,
DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS = 21,
DXGI_FORMAT_X32_TYPELESS_G8X24_UINT = 22,
DXGI_FORMAT_R10G10B10A2_TYPELESS = 23,
DXGI_FORMAT_R10G10B10A2_UNORM = 24,
DXGI_FORMAT_R10G10B10A2_UINT = 25,
DXGI_FORMAT_R11G11B10_FLOAT = 26,
DXGI_FORMAT_R8G8B8A8_TYPELESS = 27,
DXGI_FORMAT_R8G8B8A8_UNORM = 28,
DXGI_FORMAT_R8G8B8A8_UNORM_SRGB = 29,
DXGI_FORMAT_R8G8B8A8_UINT = 30,
DXGI_FORMAT_R8G8B8A8_SNORM = 31,
DXGI_FORMAT_R8G8B8A8_SINT = 32,
DXGI_FORMAT_R16G16_TYPELESS = 33,
DXGI_FORMAT_R16G16_FLOAT = 34,
DXGI_FORMAT_R16G16_UNORM = 35,
DXGI_FORMAT_R16G16_UINT = 36,
DXGI_FORMAT_R16G16_SNORM = 37,
DXGI_FORMAT_R16G16_SINT = 38,
DXGI_FORMAT_R32_TYPELESS = 39,
DXGI_FORMAT_D32_FLOAT = 40,
DXGI_FORMAT_R32_FLOAT = 41,
DXGI_FORMAT_R32_UINT = 42,
DXGI_FORMAT_R32_SINT = 43,
DXGI_FORMAT_R24G8_TYPELESS = 44,
DXGI_FORMAT_D24_UNORM_S8_UINT = 45,
DXGI_FORMAT_R24_UNORM_X8_TYPELESS = 46,
DXGI_FORMAT_X24_TYPELESS_G8_UINT = 47,
DXGI_FORMAT_R8G8_TYPELESS = 48,
DXGI_FORMAT_R8G8_UNORM = 49,
DXGI_FORMAT_R8G8_UINT = 50,
DXGI_FORMAT_R8G8_SNORM = 51,
DXGI_FORMAT_R8G8_SINT = 52,
DXGI_FORMAT_R16_TYPELESS = 53,
DXGI_FORMAT_R16_FLOAT = 54,
DXGI_FORMAT_D16_UNORM = 55,
DXGI_FORMAT_R16_UNORM = 56,
DXGI_FORMAT_R16_UINT = 57,
DXGI_FORMAT_R16_SNORM = 58,
DXGI_FORMAT_R16_SINT = 59,
DXGI_FORMAT_R8_TYPELESS = 60,
DXGI_FORMAT_R8_UNORM = 61,
DXGI_FORMAT_R8_UINT = 62,
DXGI_FORMAT_R8_SNORM = 63,
DXGI_FORMAT_R8_SINT = 64,
DXGI_FORMAT_A8_UNORM = 65,
DXGI_FORMAT_R1_UNORM = 66,
DXGI_FORMAT_R9G9B9E5_SHAREDEXP = 67,
DXGI_FORMAT_R8G8_B8G8_UNORM = 68,
DXGI_FORMAT_G8R8_G8B8_UNORM = 69,
DXGI_FORMAT_BC1_TYPELESS = 70,
DXGI_FORMAT_BC1_UNORM = 71,
DXGI_FORMAT_BC1_UNORM_SRGB = 72,
DXGI_FORMAT_BC2_TYPELESS = 73,
DXGI_FORMAT_BC2_UNORM = 74,
DXGI_FORMAT_BC2_UNORM_SRGB = 75,
DXGI_FORMAT_BC3_TYPELESS = 76,
DXGI_FORMAT_BC3_UNORM = 77,
DXGI_FORMAT_BC3_UNORM_SRGB = 78,
DXGI_FORMAT_BC4_TYPELESS = 79,
DXGI_FORMAT_BC4_UNORM = 80,
DXGI_FORMAT_BC4_SNORM = 81,
DXGI_FORMAT_BC5_TYPELESS = 82,
DXGI_FORMAT_BC5_UNORM = 83,
DXGI_FORMAT_BC5_SNORM = 84,
DXGI_FORMAT_B5G6R5_UNORM = 85,
DXGI_FORMAT_B5G5R5A1_UNORM = 86,
DXGI_FORMAT_B8G8R8A8_UNORM = 87,
DXGI_FORMAT_B8G8R8X8_UNORM = 88,
DXGI_FORMAT_R10G10B10_XR_BIAS_A2_UNORM = 89,
DXGI_FORMAT_B8G8R8A8_TYPELESS = 90,
DXGI_FORMAT_B8G8R8A8_UNORM_SRGB = 91,
DXGI_FORMAT_B8G8R8X8_TYPELESS = 92,
DXGI_FORMAT_B8G8R8X8_UNORM_SRGB = 93,
DXGI_FORMAT_BC6H_TYPELESS = 94,
DXGI_FORMAT_BC6H_UF16 = 95,
DXGI_FORMAT_BC6H_SF16 = 96,
DXGI_FORMAT_BC7_TYPELESS = 97,
DXGI_FORMAT_BC7_UNORM = 98,
DXGI_FORMAT_BC7_UNORM_SRGB = 99,
DXGI_FORMAT_AYUV = 100,
DXGI_FORMAT_Y410 = 101,
DXGI_FORMAT_Y416 = 102,
DXGI_FORMAT_NV12 = 103,
DXGI_FORMAT_P010 = 104,
DXGI_FORMAT_P016 = 105,
DXGI_FORMAT_420_OPAQUE = 106,
DXGI_FORMAT_YUY2 = 107,
DXGI_FORMAT_Y210 = 108,
DXGI_FORMAT_Y216 = 109,
DXGI_FORMAT_NV11 = 110,
DXGI_FORMAT_AI44 = 111,
DXGI_FORMAT_IA44 = 112,
DXGI_FORMAT_P8 = 113,
DXGI_FORMAT_A8P8 = 114,
DXGI_FORMAT_B4G4R4A4_UNORM = 115,
DXGI_FORMAT_P208 = 130,
DXGI_FORMAT_V208 = 131,
DXGI_FORMAT_V408 = 132,
DXGI_FORMAT_FORCE_UINT = 0xffffffff
};
enum D3D10_RESOURCE_DIMENSION
{
D3D10_RESOURCE_DIMENSION_UNKNOWN = 0,
D3D10_RESOURCE_DIMENSION_BUFFER = 1,
D3D10_RESOURCE_DIMENSION_TEXTURE1D = 2,
D3D10_RESOURCE_DIMENSION_TEXTURE2D = 3,
D3D10_RESOURCE_DIMENSION_TEXTURE3D = 4
};
typedef struct
{
dword dxgiformat, resourcedimension, miscflag, arraysize, miscflags2;
} __attribute__((packed)) ddsheader_dx10_t;
// miscflag
#define DDS_RESOURCE_MISC_TEXTURECUBE 0x4
// miscflags2
#define DDS_ALPHA_MODE_UNKNOWN 0x0
#define DDS_ALPHA_MODE_STRAIGHT 0x1
#define DDS_ALPHA_MODE_PREMULTILIED 0x2
#define DDS_ALPHA_MODE_OPAQUE 0x3
#define DDS_ALPHA_MODE_CUSTOM 0x4
int main( int argc, char **argv )
{
if ( argc < 2 )
{
fprintf(stderr,"usage: %s <ddsfile>\n",argv[0]);
return 1;
}
FILE *ddsf = fopen(argv[1],"r");
if ( !ddsf )
{
fprintf(stderr,"%s: %s\n",argv[0],strerror(errno));
return 2;
}
ddsheader_t head;
ddsheader_dx10_t head10;
fread(&head,sizeof(ddsheader_t),1,ddsf);
if ( strncmp(head.magic,"DDS ",4) )
{
fprintf(stderr,"%s: %s not a dds file (bad magic)",argv[0],
argv[1]);
fclose(ddsf);
return 4;
}
if ( !strncmp(head.pf_fourcc,"DX10",4) )
fread(&head10,sizeof(ddsheader_dx10_t),1,ddsf);
fclose(ddsf);
/* print out header */
printf("%.4s\n%u bytes\n",head.magic,head.size);
printf("flags:");
if ( head.flags&DDSD_CAPS ) printf(" CAPS");
if ( head.flags&DDSD_HEIGHT ) printf(" HEIGHT");
if ( head.flags&DDSD_WIDTH ) printf(" WIDTH");
if ( head.flags&DDSD_PITCH ) printf(" PITCH");
if ( head.flags&DDSD_PIXELFORMAT ) printf(" PIXELFORMAT");
if ( head.flags&DDSD_MIPMAPCOUNT ) printf(" MIPMAPCOUNT");
if ( head.flags&DDSD_LINEARSIZE ) printf(" LINEARSIZE");
if ( head.flags&DDSD_DEPTH ) printf(" DEPTH");
if ( head.flags&DDSD_DEPTH )
printf("\n%u x %u x %u\n",head.width,head.height,head.depth);
else printf("\n%u x %u\n",head.width,head.height);
if ( head.flags&DDSD_PITCH ) printf("pitch: %u bytes\n",head.pitch);
if ( head.flags&DDSD_MIPMAPCOUNT ) printf("%u mipmaps\n",head.mipmaps);
if ( head.reserved1[0] ) printf("comment: %.44s\n",head.reserved1);
printf("pixelformat: %u bytes\n",head.pf_size);
printf("flags:");
if ( head.pf_flags&DDPF_ALPHAPIXELS ) printf(" ALPHAPIXELS");
if ( head.pf_flags&DDPF_ALPHA ) printf(" ALPHA");
if ( head.pf_flags&DDPF_FOURCC ) printf(" FOURCC");
if ( head.pf_flags&DDPF_RGB ) printf(" RGB");
if ( head.pf_flags&DDPF_YUV ) printf(" YUV");
if ( head.pf_flags&DDPF_LUMINANCE ) printf(" LUMINANCE");
if ( head.pf_flags&DDPF_FOURCC )
printf("\nfourcc: %.4s",head.pf_fourcc);
printf("\n%u bits (mask: R %08x G %08x B %08x A %08x)\n",
head.pf_bitcount,head.pf_rmask,head.pf_gmask,head.pf_bmask,
head.pf_amask);
printf("caps[0]:");
if ( head.caps[0]&DDSCAPS_COMPLEX ) printf(" COMPLEX");
if ( head.caps[0]&DDSCAPS_MIPMAP ) printf(" MIPMAP");
if ( head.caps[0]&DDSCAPS_TEXTURE ) printf(" TEXTURE");
printf("\ncaps[1]:");
if ( head.caps[1]&DDSCAPS2_CUBEMAP ) printf(" CUBEMAP");
if ( head.caps[1]&DDSCAPS2_CUBEMAP_POSITIVEX ) printf(" POSITIVEX");
if ( head.caps[1]&DDSCAPS2_CUBEMAP_NEGATIVEX ) printf(" NEGATIVEX");
if ( head.caps[1]&DDSCAPS2_CUBEMAP_POSITIVEY ) printf(" POSITIVEY");
if ( head.caps[1]&DDSCAPS2_CUBEMAP_NEGATIVEY ) printf(" NEGATIVEY");
if ( head.caps[1]&DDSCAPS2_CUBEMAP_POSITIVEZ ) printf(" POSITIVEZ");
if ( head.caps[1]&DDSCAPS2_CUBEMAP_NEGATIVEZ ) printf(" NEGATIVEZ");
if ( head.caps[1]&DDSCAPS2_VOLUME ) printf(" VOLUME");
printf("\n");
return 0;
}

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#include <stdio.h>
unsigned short endoom[80*25];
int val( unsigned short ch )
{
return ((ch>0x2F)&&(ch<0x3A))||((ch>0x40)&&(ch<0x5B))
||((ch>0x60)&&(ch<0x7B));
}
int main( void )
{
fread(endoom,sizeof(short),80*25,stdin);
int c = 0;
do
{
if ( val(endoom[c]&0xFF) )
{
int s = c;
while ( (c++ < 80*25 ) && val(endoom[c]&0xFF) );
int e = c;
for ( int i=0; i<(e-s)/2; i++ )
endoom[e-i-1] = endoom[s+i];
}
else c++;
}
while ( c < 80*25 );
fwrite(endoom,sizeof(short),80*25,stdout);
return 0;
}

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#include <fmodex/fmod.h>
#include <stdio.h>
int main( int argc, char **argv )
{
FMOD_SYSTEM *sys;
FMOD_SOUND *bank;
FMOD_SOUND *snd;
FMOD_CHANNEL *ch = 0;
FMOD_System_Create(&sys);
FMOD_System_Init(sys,32,FMOD_INIT_NORMAL,0);
FMOD_System_CreateSound(sys,argv[1],FMOD_SOFTWARE,0,&bank);
int iss = 0, ss = 0;
sscanf(argv[2],"%d",&iss);
FMOD_Sound_GetNumSubSounds(bank,&ss);
printf("%s : %d\n",argv[1],ss);
int i;
char name[256];
for ( i=iss; i<ss; i++ )
{
FMOD_Sound_GetSubSound(bank,i,&snd);
FMOD_Sound_GetName(snd,name,255);
printf("Playing: %s\n",name);
FMOD_System_PlaySound(sys,FMOD_CHANNEL_FREE,snd,0,&ch);
int active = 1;
while ( active )
{
FMOD_System_Update(sys);
FMOD_Channel_IsPlaying(ch,&active);
}
FMOD_Sound_Release(snd);
}
FMOD_Sound_Release(bank);
FMOD_System_Close(sys);
FMOD_System_Release(sys);
return 0;
}

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/*
fuzz.c : Fancy software filter.
I was bored.
(C)2016 Marisa Kirisame, UnSX Team.
Released under the GNU GPLv3 (or later).
*/
#include <SDL2/SDL.h>
#include <SDL2/SDL_ttf.h>
#include <time.h>
typedef struct
{
float r,g,b,a;
} rgbfpx_t;
typedef struct
{
Uint8 r,g,b,a;
} __attribute__((packed)) rgb8px_t;
float t = 0.f;
const int fw = 640, fh = 480;
float rn( float sdx, float sdy )
{
return cosf(sdy*3874.8674f+sdx*6783.5325f)*2737.8474f;
}
float fract( float x )
{
return x-floorf(x);
}
SDL_Window *w;
SDL_Surface *ws, *fz;
rgbfpx_t *fl1, *fl2, *fl3;
const int fw1 = 320, fw2 = 160, fw3 = 80, fh1 = 240, fh2 = 120, fh3 = 60;
void mklayer1( void )
{
for ( int y=0; y<fh1; y++ )
{
float rg;
for ( int x=0; x<fw1; x++ )
{
rg = 2.f*fabsf(fract(rn(x,y)+t*1.3526f)-0.5f);
fl1[x+y*fw1].r = 0.71f*rg;
fl1[x+y*fw1].g = 0.67f*rg;
fl1[x+y*fw1].b = 0.95f*rg;
fl1[x+y*fw1].a = 1.f*rg;
}
}
}
void mklayer2( void )
{
for ( int y=0; y<fh2; y++ )
{
float rg;
for ( int x=0; x<fw2; x++ )
{
rg = 2.f*fabsf(fract(rn(x,y)+t*0.7843f)-0.5f);
fl2[x+y*fw2].r = 0.66f*rg;
fl2[x+y*fw2].g = 0.84f*rg;
fl2[x+y*fw2].b = 0.73f*rg;
fl2[x+y*fw2].a = 1.f*rg;
}
}
}
void mklayer3( void )
{
for ( int y=0; y<fh3; y++ )
{
float rg;
for ( int x=0; x<fw3; x++ )
{
rg = 2.f*fabsf(fract(rn(x,y)+t*0.3725f)-0.5f);
fl3[x+y*fw3].r = 0.95f*rg;
fl3[x+y*fw3].g = 0.73f*rg;
fl3[x+y*fw3].b = 0.81f*rg;
fl3[x+y*fw3].a = 1.f*rg;
}
}
}
void mergedown( void )
{
rgbfpx_t twofivefive = {255.f,255.f,255.f,255.f};
#pragma omp parallel for
for ( int y=0; y<fh; y++ )
{
int y1, y2, y3;
rgb8px_t *stripe;
rgbfpx_t merged;
y1 = y>>1;
y2 = y>>2;
y3 = y>>3;
stripe = (rgb8px_t*)((Uint8*)fz->pixels+y*fz->pitch);
for ( int x=0; x<fw; x++ )
{
int x1, x2, x3;
x1 = x>>1;
x2 = x>>2;
x3 = x>>3;
// gcc is stupid
asm( "movaps %1,%%xmm0\n"
"mulps %2,%%xmm0\n"
"mulps %3,%%xmm0\n"
"mulps %4,%%xmm0\n"
"movaps %%xmm0,%0\n"
:"=m"(merged)
:"m"(fl1[x1+y1*fw1]),"m"(fl2[x2+y2*fw2]),
"m"(fl3[x3+y3*fw3]),"m"(twofivefive));
stripe[x].r = merged.r;
stripe[x].g = merged.g;
stripe[x].b = merged.b;
stripe[x].a = merged.a;
}
}
}
#define TMAX 64
int ti = 0;
float ts = 0.f, tl[TMAX] = {0.f};
float avg_fps( float nt )
{
ts = ts-tl[ti]+nt;
tl[ti] = nt;
if ( ++ti == TMAX ) ti = 0;
return ts/TMAX;
}
#define NANOS_SEC 1000000000L
long ticker( void )
{
struct timespec ts;
clock_gettime(CLOCK_MONOTONIC_RAW,&ts);
return ts.tv_nsec+ts.tv_sec*NANOS_SEC;
}
int main( void )
{
SDL_Init(SDL_INIT_VIDEO|SDL_INIT_TIMER|SDL_INIT_EVENTS);
w = SDL_CreateWindow("Fuzz",SDL_WINDOWPOS_UNDEFINED,
SDL_WINDOWPOS_UNDEFINED,fw,fh,SDL_WINDOW_SHOWN);
ws = SDL_GetWindowSurface(w);
fz = SDL_CreateRGBSurface(0,fw,fh,32,0xFF,0xFF00,0xFF0000,0xFF000000);
SDL_SetSurfaceBlendMode(fz,SDL_BLENDMODE_NONE);
fl1 = malloc(sizeof(rgbfpx_t)*fw1*fh1);
fl2 = malloc(sizeof(rgbfpx_t)*fw2*fh2);
fl3 = malloc(sizeof(rgbfpx_t)*fw3*fh3);
TTF_Init();
TTF_Font *fon = TTF_OpenFont("/usr/share/fonts/misc/unifont.bdf",16);
SDL_Event e;
SDL_Color fpscol = {160,0,0,255};
int active = 1;
long tick, tock;
float frame = 0.f, fps = NAN, fpsmin = INFINITY, fpsmax = -INFINITY,
fpsavg = 0.f;
char fpst[16];
while ( active )
{
tick = ticker();
while ( SDL_PollEvent(&e) ) if ( (e.type == SDL_QUIT)
|| ((e.type == SDL_KEYDOWN)
&& (e.key.keysym.sym == SDLK_ESCAPE)) ) active = 0;
mklayer1();
mklayer2();
mklayer3();
mergedown();
SDL_BlitSurface(fz,0,ws,0);
snprintf(fpst,15,"%.2f FPS",fps);
SDL_Surface *txt = TTF_RenderText_Blended(fon,fpst,fpscol);
SDL_BlitSurface(txt,0,ws,0);
SDL_FreeSurface(txt);
SDL_UpdateWindowSurface(w);
tock = ticker();
frame = (float)(tock-tick)/NANOS_SEC;
fps = 1.f/frame;
fpsavg = avg_fps(fps);
if ( fps > fpsmax ) fpsmax = fps;
if ( fps < fpsmin ) fpsmin = fps;
printf("FPS: %.2f (%.2f min, %.2f max, %.2f avg)\n",fps,
fpsmin,fpsmax,fpsavg);
t += frame;
}
TTF_CloseFont(fon);
TTF_Quit();
free(fl3);
free(fl2);
free(fl1);
SDL_FreeSurface(fz);
SDL_DestroyWindow(w);
SDL_Quit();
return 0;
}

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/*
glfuzz.c : Fancy hardware filter.
I was bored.
(C)2016 Marisa Kirisame, UnSX Team.
Released under the GNU GPLv3 (or later).
*/
#include <epoxy/gl.h>
#include <SDL2/SDL.h>
#include <time.h>
#include <string.h>
GLuint prog, frag, vert;
GLuint flat;
const char *vcode =
"varying vec2 coord;\n"
"void main()\n"
"{\n"
"coord=(gl_Vertex.xy+1.0)*0.5;\n"
"gl_Position=gl_Vertex;\n"
"}\n";
const char *fcode =
"uniform float timer;\n"
"uniform vec2 resolution;\n"
"varying vec2 coord;\n"
"float rnd(in vec2 sd)\n"
"{\n"
"return cos(sd.y*3874.8674+sd.x*6783.5325)*2737.8474;\n"
"}\n"
"void main()\n"
"{\n"
"vec2 uv=floor(coord*resolution*0.5);\n"
"vec3 col=vec3(0.71,0.67,0.95)*2.0*abs(fract(rnd(uv)+timer*1.3526)-0.5);\n"
"uv=floor(coord*resolution*0.25);\n"
"col*=vec3(0.66,0.84,0.73)*2.0*abs(fract(rnd(uv)+timer*0.7843)-0.5);\n"
"uv=floor(coord*resolution*0.125);\n"
"col*=vec3(0.95,0.73,0.81)*2.0*abs(fract(rnd(uv)+timer*0.3725)-0.5);\n"
"gl_FragColor=vec4(col,1.0);\n"
"}\n";
float t = 0.f;
const int fw = 640, fh = 480;
SDL_Window *w;
SDL_GLContext *ctx;
#define NANOS_SEC 1000000000L
long ticker( void )
{
struct timespec ts;
clock_gettime(CLOCK_MONOTONIC_RAW,&ts);
return ts.tv_nsec+ts.tv_sec*NANOS_SEC;
}
void DrawFrame( void )
{
GLint uf;
glUseProgram(prog);
uf = glGetUniformLocation(prog,"timer");
glUniform1f(uf,t);
uf = glGetUniformLocation(prog,"resolution");
glUniform2f(uf,fw,fh);
glEnableClientState(GL_VERTEX_ARRAY);
glBindBuffer(GL_ARRAY_BUFFER,flat);
glVertexPointer(3,GL_FLOAT,0,0);
glDrawArrays(GL_TRIANGLE_STRIP,0,4);
glFinish();
}
int main( int argc, char **argv )
{
SDL_Init(SDL_INIT_VIDEO|SDL_INIT_TIMER|SDL_INIT_EVENTS);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION,2);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION,1);
w = SDL_CreateWindow("Fuzz (OpenGL)",SDL_WINDOWPOS_UNDEFINED,
SDL_WINDOWPOS_UNDEFINED,fw,fh,
SDL_WINDOW_OPENGL|SDL_WINDOW_SHOWN);
ctx = SDL_GL_CreateContext(w);
SDL_GL_SetSwapInterval(!((argc>1)&&!strcmp(argv[1],"--novsync")));
GLint len, suc;
char *log;
/* fragment */
frag = glCreateShader(GL_FRAGMENT_SHADER);
len = strlen(fcode);
glShaderSource(frag,1,&fcode,&len);
glCompileShader(frag);
glGetShaderiv(frag,GL_COMPILE_STATUS,&suc);
if ( !suc )
{
glGetShaderiv(frag,GL_INFO_LOG_LENGTH,&len);
log = malloc(len);
glGetShaderInfoLog(frag,len,&suc,log);
printf("fragment:\n%s\n",log);
free(log);
}
/* vertex */
vert = glCreateShader(GL_VERTEX_SHADER);
len = strlen(vcode);
glShaderSource(vert,1,&vcode,&len);
glCompileShader(vert);
glGetShaderiv(vert,GL_COMPILE_STATUS,&suc);
if ( !suc )
{
glGetShaderiv(vert,GL_INFO_LOG_LENGTH,&len);
log = malloc(len);
glGetShaderInfoLog(vert,len,&suc,log);
printf("vertex:\n%s\n",log);
free(log);
}
/* program */
prog = glCreateProgram();
glAttachShader(prog,frag);
glAttachShader(prog,vert);
glLinkProgram(prog);
glGetProgramiv(prog,GL_LINK_STATUS,&suc);
if ( !suc )
{
glGetProgramiv(prog,GL_INFO_LOG_LENGTH,&len);
log = malloc(len);
glGetProgramInfoLog(prog,len,&suc,log);
printf("program:\n%s\n",log);
free(log);
}
glDeleteShader(frag);
glDeleteShader(vert);
/* flat */
GLfloat v[12] =
{
-1.0,-1.0, 0.0, 1.0,-1.0, 0.0,
-1.0, 1.0, 0.0, 1.0, 1.0, 0.0,
};
glGenBuffers(1,&flat);
glBindBuffer(GL_ARRAY_BUFFER,flat);
glBufferData(GL_ARRAY_BUFFER,sizeof(GLfloat)*12,v,GL_STATIC_DRAW_ARB);
SDL_Event e;
int active = 1;
long tick, tock;
while ( active )
{
while ( SDL_PollEvent(&e) ) if ( (e.type == SDL_QUIT)
|| ((e.type == SDL_KEYDOWN)
&& (e.key.keysym.sym == SDLK_ESCAPE)) ) active = 0;
tick = ticker();
DrawFrame();
SDL_GL_SwapWindow(w);
tock = ticker();
float frame = (float)(tock-tick)/NANOS_SEC;
printf("FPS: %.2f\n",1.f/frame);
t += frame;
}
glDeleteBuffers(1,&flat);
glDeleteProgram(prog);
SDL_GL_DeleteContext(ctx);
SDL_DestroyWindow(w);
SDL_Quit();
return 0;
}

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/*
lutconv2.c : Improved, general purpose LUT converter.
Turns 2D LUT textures into DDS Volume Maps for convenience.
(C)2017 Marisa Kirisame, UnSX Team.
Released under the GNU General Public License version 3 (or later).
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <stdint.h>
#include <png.h>
#define dword uint32_t
#define byte uint8_t
#pragma pack(push,1)
typedef struct
{
dword magic, size, flags, height, width, pitch, depth, mipmaps,
reserved1[11], pf_size, pf_flags, pf_fourcc, pf_bitcount, pf_rmask,
pf_gmask, pf_bmask, pf_amask, caps[4], reserved2;
} ddsheader_t;
#pragma pack(pop)
ddsheader_t ddshead =
{
.magic = 0x20534444, .size = 124, .flags = 0x0080100f, .height = 0,
.width = 0, .pitch = 0, .depth = 0, .mipmaps = 0,
.reserved1 = {0,0,0,0,0,0,0,0,0,0,0}, .pf_size = 32, .pf_flags = 0x41,
.pf_fourcc = 0, .pf_bitcount = 32, .pf_rmask = 0xff,
.pf_gmask = 0xff00, .pf_bmask = 0xff0000, .pf_amask = 0xff000000,
.caps = {0x1000,0x200000,0,0}, .reserved2 = 0
};
uint8_t *indata, *outdata;
int width, height, depth, alpha;
/* vertical strip LUT, the format I use */
int vertconv( void )
{
int x, y, z, i, s;
ddshead.pf_flags = 0x41;
ddshead.pf_bitcount = 32;
/* guess the format */
if ( (width == 8) && (height == 4096) )
{
/* VGA 8x16 font table */
printf("conv: VGA 8x16 font table\n");
ddshead.width = width = 8;
ddshead.height = height = 16;
ddshead.depth = depth = 256;
ddshead.pitch = 8*4;
s = width*height*depth*4;
outdata = malloc(s);
i = 0;
x = 0;
while ( i < s )
{
outdata[i++] = indata[x++];
outdata[i++] = indata[x++];
outdata[i++] = indata[x++];
if ( alpha ) outdata[i++] = indata[x++];
else outdata[i++] = 255;
}
return 1;
}
else if ( (width == 16) && (height == 256) )
{
/* unpadded 16x16x16 LUT */
printf("conv: vertical 16x16x16 LUT\n");
ddshead.width = width = 16;
ddshead.height = height = 16;
ddshead.depth = depth = 16;
ddshead.pitch = 16*4;
s = width*height*depth*4;
outdata = malloc(s);
i = 0;
x = 0;
while ( i < s )
{
outdata[i++] = indata[x++];
outdata[i++] = indata[x++];
outdata[i++] = indata[x++];
if ( alpha ) outdata[i++] = indata[x++];
else outdata[i++] = 255;
}
return 1;
}
else if ( (width == 32) && (height == 512) )
{
/* padded 16x16x16 LUT */
printf("conv: vertical padded 16x16x16 LUT\n");
ddshead.width = width = 16;
ddshead.height = height = 16;
ddshead.depth = depth = 16;
ddshead.pitch = 16*4;
s = width*height*depth*4;
outdata = malloc(s);
i = 0;
x = 8;
y = 8;
z = 0;
while ( i < s )
{
outdata[i++] = indata[(x+y*32+z*512)*(3+alpha)];
outdata[i++] = indata[(x+y*32+z*512)*(3+alpha)+1];
outdata[i++] = indata[(x+y*32+z*512)*(3+alpha)+2];
if ( alpha )
outdata[i++] = indata[(x+y*32+z*512)
*(3+alpha)+3];
else outdata[i++] = 255;
x++;
if ( x >= 24 )
{
x = 8;
y++;
}
if ( y >= 24 )
{
y = 8;
z++;
}
}
return 1;
}
else if ( (width == 64) && (height == 64) )
{
/* square 16x16x16 LUT (assuming column-major grid) */
printf("conv: column-major 4x4 grid 16x16x16 LUT\n");
ddshead.width = width = 16;
ddshead.height = height = 16;
ddshead.depth = depth = 16;
ddshead.pitch = 16*4;
s = width*height*depth*4;
outdata = malloc(s);
i = 0;
x = 0;
y = 0;
z = 0;
while ( i < s )
{
outdata[i++] = indata[(x+y*64+(z&0x3)*1024
+(z&0xc)*4)*(3+alpha)];
outdata[i++] = indata[(x+y*64+(z&0x3)*1024
+(z&0xc)*4)*(3+alpha)+1];
outdata[i++] = indata[(x+y*64+(z&0x3)*1024
+(z&0xc)*4)*(3+alpha)+2];
if ( alpha )
outdata[i++] = indata[indata[(x+y*64+(z&0x3)
*1024+(z&0xc)*4)*(3+alpha)+3]];
else outdata[i++] = 255;
x++;
if ( x >= 16 )
{
x = 0;
y++;
}
if ( y >= 16 )
{
y = 0;
z++;
}
}
return 1;
}
else if ( (width == 64) && (height == 4096) )
{
/* unpadded 64x64x64 LUT */
printf("conv: vertical 64x64x64 LUT\n");
ddshead.width = width = 64;
ddshead.height = height = 64;
ddshead.depth = depth = 64;
ddshead.pitch = 64*4;
s = width*height*depth*4;
outdata = malloc(s);
i = 0;
x = 0;
while ( i < s )
{
outdata[i++] = indata[x++];
outdata[i++] = indata[x++];
outdata[i++] = indata[x++];
if ( alpha ) outdata[i++] = indata[x++];
else outdata[i++] = 255;
}
return 1;
}
else if ( (width == 128) && (height == 8192) )
{
/* padded 64x64x64 LUT */
printf("conv: vertical padded 64x64x64 LUT\n");
ddshead.width = width = 64;
ddshead.height = height = 64;
ddshead.depth = depth = 64;
ddshead.pitch = 64*4;
s = width*height*depth*4;
outdata = malloc(s);
i = 0;
x = 32;
y = 32;
z = 0;
while ( i < s )
{
outdata[i++] = indata[(x+y*128+z*16384)*(3+alpha)];
outdata[i++] = indata[(x+y*128+z*16384)*(3+alpha)+1];
outdata[i++] = indata[(x+y*128+z*16384)*(3+alpha)+2];
if ( alpha )
outdata[i++] = indata[(x+y*128+z*16384)
*(3+alpha)+3];
else outdata[i++] = 255;
x++;
if ( x >= 96 )
{
x = 32;
y++;
}
if ( y >= 96 )
{
y = 32;
z++;
}
}
return 1;
}
else if ( (width == 512) && (height == 512) )
{
/* square 64x64x64 LUT (assuming column-major grid) */
printf("conv: column-major 8x8 grid 64x64x64 LUT\n");
ddshead.width = width = 64;
ddshead.height = height = 64;
ddshead.depth = depth = 64;
ddshead.pitch = 64*4;
s = width*height*depth*4;
outdata = malloc(s);
i = 0;
x = 0;
y = 0;
z = 0;
while ( i < s )
{
outdata[i++] = indata[(x+y*512+(z&0x7)*32768
+(z&0x38)*8)*(3+alpha)];
outdata[i++] = indata[(x+y*512+(z&0x7)*32768
+(z&0x38)*8)*(3+alpha)+1];
outdata[i++] = indata[(x+y*512+(z&0x7)*32768
+(z&0x38)*8)*(3+alpha)+2];
if ( alpha )
outdata[i++] = indata[indata[(x+y*512+(z&0x7)
*32768+(z&0x38)*16)*(3+alpha)+3]];
else outdata[i++] = 255;
x++;
if ( x >= 64 )
{
x = 0;
y++;
}
if ( y >= 64 )
{
y = 0;
z++;
}
}
return 1;
}
else if ( (width == 256) && (height == 65536) )
{
/* unpadded 256x256x256 LUT (rare) */
printf("conv: vertical 256x256x256 LUT\n");
ddshead.width = width = 256;
ddshead.height = height = 256;
ddshead.depth = depth = 256;
ddshead.pitch = 256*4;
s = width*height*depth*4;
outdata = malloc(s);
i = 0;
x = 0;
while ( i < s )
{
outdata[i++] = indata[x++];
outdata[i++] = indata[x++];
outdata[i++] = indata[x++];
if ( alpha ) outdata[i++] = indata[x++];
else outdata[i++] = 255;
}
return 1;
}
else if ( (width == 512) && (height == 131072) )
{
/* padded 256x256x256 LUT (very rare) */
printf("conv: vertical padded 256x256x256 LUT\n");
ddshead.width = width = 256;
ddshead.height = height = 256;
ddshead.depth = depth = 256;
ddshead.pitch = 256*4;
s = width*height*depth*4;
outdata = malloc(s);
i = 0;
x = 128;
y = 128;
z = 0;
while ( i < s )
{
outdata[i++] = indata[(x+y*512+z*262144)*(3+alpha)];
outdata[i++] = indata[(x+y*512+z*262144)*(3+alpha)+1];
outdata[i++] = indata[(x+y*512+z*262144)*(3+alpha)+2];
if ( alpha )
outdata[i++] = indata[(x+y*512+z*262144)
*(3+alpha)+3];
else outdata[i++] = 255;
x++;
if ( x >= 384 )
{
x = 128;
y++;
}
if ( y >= 384 )
{
y = 128;
z++;
}
}
return 1;
}
else if ( (width == 4096) && (height == 4096) )
{
/* square 256x256x256 LUT (assuming column-major grid) */
printf("conv: column-major 16x16 grid 256x256x256 LUT\n");
ddshead.width = width = 256;
ddshead.height = height = 256;
ddshead.depth = depth = 256;
ddshead.pitch = 256*4;
s = width*height*depth*4;
outdata = malloc(s);
i = 0;
x = 0;
y = 0;
z = 0;
while ( i < s )
{
outdata[i++] = indata[(x+y*4096+(z&0x0F)*1048576
+(z&0xF0)*16)*(3+alpha)];
outdata[i++] = indata[(x+y*4096+(z&0x0F)*1048576
+(z&0xF0)*16)*(3+alpha)+1];
outdata[i++] = indata[(x+y*4096+(z&0x0F)*1048576
+(z&0xF0)*16)*(3+alpha)+2];
if ( alpha )
outdata[i++] = indata[indata[(x+y*4096+(z&0x0F)
*1048576+(z&0xF0)*16)*(3+alpha)+3]];
else outdata[i++] = 255;
x++;
if ( x >= 256 )
{
x = 0;
y++;
}
if ( y >= 256 )
{
y = 0;
z++;
}
}
return 1;
}
printf("conv: Never heard of a LUT texture of %ux%u\n",width,height);
return 0;
}
/* horizontal strip LUT, what everyone else except me uses */
int horconv( void )
{
int x, y, z, i, s;
ddshead.pf_flags = 0x41;
ddshead.pf_bitcount = 32;
/* guess the format */
if ( (width == 256) && (height == 16) )
{
/* 16x16x16 LUT */
printf("conv: horizontal 16x16x16 LUT\n");
ddshead.width = width = 16;
ddshead.height = height = 16;
ddshead.depth = depth = 16;
ddshead.pitch = 16*4;
s = width*height*depth*4;
outdata = malloc(s);
i = 0;
x = 0;
y = 0;
z = 0;
while ( i < s )
{
outdata[i++] = indata[(x+y*256+z*16)*(3+alpha)];
outdata[i++] = indata[(x+y*256+z*16)*(3+alpha)+1];
outdata[i++] = indata[(x+y*256+z*16)*(3+alpha)+2];
if ( alpha )
outdata[i++] = indata[(x+y*256+z*16)
*(3+alpha)+3];
else outdata[i++] = 255;
x++;
if ( x >= 16 )
{
x = 0;
y++;
}
if ( y >= 16 )
{
y = 0;
z++;
}
}
return 1;
}
if ( (width == 512) && (height == 32) )
{
/* padded 16x16x16 LUT */
printf("conv: horizontal padded 16x16x16 LUT\n");
ddshead.width = width = 16;
ddshead.height = height = 16;
ddshead.depth = depth = 16;
ddshead.pitch = 16*4;
s = width*height*depth*4;
outdata = malloc(s);
i = 0;
x = 8;
y = 8;
z = 0;
while ( i < s )
{
outdata[i++] = indata[(x+y*512+z*32)*(3+alpha)];
outdata[i++] = indata[(x+y*512+z*32)*(3+alpha)+1];
outdata[i++] = indata[(x+y*512+z*32)*(3+alpha)+2];
if ( alpha )
outdata[i++] = indata[(x+y*512+z*32)
*(3+alpha)+3];
else outdata[i++] = 255;
x++;
if ( x >= 24 )
{
x = 8;
y++;
}
if ( y >= 24 )
{
y = 8;
z++;
}
}
return 1;
}
printf("conv: Never heard of a LUT texture of %ux%u\n",width,height);
return 0;
}
/* png loader code, boilerplate written according to official docs */
int loadpng( const char *filename )
{
if ( !filename )
{
printf("png: no filename passed\n");
return 1;
}
png_structp pngp;
png_infop infp;
unsigned int sread = 0;
int col, inter;
FILE *pf;
if ( !(pf = fopen(filename,"rb")) )
{
printf("png: could not open file: %s\n",strerror(errno));
return 1;
}
unsigned char header[8];
fread(header,8,1,pf);
if ( png_sig_cmp(header,0,8) )
{
printf("png: bad signature, not a PNG file\n");
return 1;
}
sread += 8;
pngp = png_create_read_struct(PNG_LIBPNG_VER_STRING,0,0,0);
if ( !pngp )
{
printf("png: failed to create png_struct\n");
fclose(pf);
return 1;
}
infp = png_create_info_struct(pngp);
if ( !infp )
{
printf("png: failed to create png_info\n");
fclose(pf);
png_destroy_read_struct(&pngp,0,0);
return 1;
}
if ( setjmp(png_jmpbuf(pngp)) )
{
printf("png: failed to set up error handler\n");
png_destroy_read_struct(&pngp,&infp,0);
fclose(pf);
return 1;
}
png_init_io(pngp,pf);
png_set_sig_bytes(pngp,sread);
png_read_png(pngp,infp,PNG_TRANSFORM_STRIP_16|PNG_TRANSFORM_PACKING
|PNG_TRANSFORM_EXPAND,0);
png_uint_32 w,h;
int dep;
png_get_IHDR(pngp,infp,&w,&h,&dep,&col,&inter,0,0);
if ( (col != PNG_COLOR_TYPE_RGB) && (col != PNG_COLOR_TYPE_RGB_ALPHA) )
{
printf("png: only RGB or RGBA are supported\n");
png_destroy_read_struct(&pngp,&infp,0);
fclose(pf);
return 1;
}
if ( dep != 8 )
{
printf("png: only 8-bit channels are supported\n");
png_destroy_read_struct(&pngp,&infp,0);
fclose(pf);
return 1;
}
width = w;
height = h;
alpha = (col==PNG_COLOR_TYPE_RGB_ALPHA);
int rbytes = png_get_rowbytes(pngp,infp);
indata = malloc(rbytes*h);
png_bytepp rptr = png_get_rows(pngp,infp);
for ( unsigned i=0; i<h; i++ )
memcpy(indata+(rbytes*i),rptr[i],rbytes);
png_destroy_read_struct(&pngp,&infp,0);
fclose(pf);
return 0;
}
int main( int argc, char **argv )
{
printf("LUTCONV 2.0 - (C)2017 Marisa Kirisame, UnSX Team.\n"
"This program is free software under the GNU GPL v3.\n"
"See https://www.gnu.org/licenses/gpl.html for details.\n\n");
if ( argc < 2 )
{
printf("No files have been passed for processing.\n");
return 1;
}
FILE *fout;
char fname[255] = {0};
char *ext;
for ( int i=1; i<argc; i++ )
{
if ( loadpng(argv[i]) )
{
printf("Failed to load %s\n",argv[i]);
continue;
}
int res = (width>height)?horconv():vertconv();
free(indata);
if ( !res )
{
printf("Failed to process %s\n",argv[i]);
continue;
}
strcpy(fname,argv[i]);
ext = strrchr(fname,'.');
if ( ext ) *ext = 0;
strcat(fname,".dds");
fout = fopen(fname,"wb");
if ( !fout )
{
printf("Cannot open %s: %s\n",fname,strerror(errno));
free(outdata);
continue;
}
fwrite(&ddshead,sizeof(ddsheader_t),1,fout);
fwrite(outdata,width*height*depth*4,1,fout);
fclose(fout);
free(outdata);
}
return 0;
}

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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#define BUFSZ 8192
int main( int argc, char** argv )
{
if ( argc < 3 )
{
fputs("usage: memread <pid> <offset> <size>\n",stderr);
return 1;
}
char fn[256];
snprintf(fn,256,"/proc/%s/mem",argv[1]);
int fd = open(fn,O_RDONLY);
if ( !fd )
{
perror("could not open process");
return 2;
}
off_t memofs = 0;
off_t siz = 0, srd;
sscanf(argv[2],"%llx",&memofs);
sscanf(argv[3],"%lld",&siz);
lseek(fd,memofs,SEEK_SET);
unsigned char buf[BUFSZ];
while ( siz > 0 )
{
srd = read(fd,buf,(siz>BUFSZ)?BUFSZ:siz);
write(1,buf,srd);
siz -= srd;
}
close(fd);
return 0;
}

41
memsk.c Normal file
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/fcntl.h>
#include <sys/mman.h>
int main( int argc, char** argv )
{
if ( argc < 3 )
{
fputs("usage: memseek <pid> <range> <size>\n",stderr);
return 1;
}
char fn[256];
snprintf(fn,256,"/proc/%s/mem",argv[1]);
int fd = open(fn,O_RDONLY);
if ( !fd )
{
perror("could not open process");
return 2;
}
off_t memofs[2] = {0,0};
off_t siz = 0, rsiz;
sscanf(argv[2],"%llx-%llx",&memofs[0],&memofs[1]);
sscanf(argv[3],"%lld",&siz);
unsigned char *seekme = malloc(siz);
if ( !seekme ) return 4;
rsiz = read(0,seekme,siz);
if ( rsiz <= 0 ) return 8;
off_t seeksiz = memofs[1]-memofs[0];
lseek(fd,memofs[0],SEEK_SET);
unsigned char *seekarea = malloc(seeksiz);
if ( !seekarea ) return 16;
read(fd,seekarea,seeksiz);
close(fd);
off_t i;
for ( i=0; i<seeksiz-rsiz; i++ ) if ( !memcmp(seekme,seekarea+i,rsiz) )
printf("%x\n",memofs[0]+i);
return 0;
}

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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#define BUFSZ 8192
int main( int argc, char** argv )
{
if ( argc < 3 )
{
fputs("usage: memwrite <pid> <offset> <size>\n",stderr);
return 1;
}
char fn[256];
snprintf(fn,256,"/proc/%s/mem",argv[1]);
int fd = open(fn,O_WRONLY);
if ( !fd )
{
perror("could not open process");
return 2;
}
off_t memofs = 0;
off_t siz = 0, srd;
sscanf(argv[2],"%llx",&memofs);
sscanf(argv[3],"%lld",&siz);
lseek(fd,memofs,SEEK_SET);
unsigned char buf[BUFSZ];
while ( siz > 0 )
{
srd = read(0,buf,(siz>BUFSZ)?BUFSZ:siz);
write(fd,buf,srd);
siz -= srd;
}
close(fd);
return 0;
}

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#include <stdio.h>
#include <math.h>
#define pi 3.14159265358979323846264338327950288419716939937510
#define e 2.71828182845904523536028747135266249775724709369995
int main( int argc, char **argv )
{
if ( argc < 3 ) return 1;
double sigma;
unsigned range;
sscanf(argv[1],"%u",&range);
sscanf(argv[2],"%lf",&sigma);
double kernel[range];
unsigned i;
for ( i=0; i<range; i++ )
{
kernel[i] = 1.0/sqrt(2*pi*sigma*sigma)
*pow(e,-((i*i)/(2*sigma*sigma)));
}
double sum = kernel[0];
for ( i=1; i<range; i++ ) sum += 2*kernel[i];
printf("sum: %.50lf\n",sum);
for ( i=0; i<range; i++ )
printf("%.6lf%s",kernel[i]/sum,(i<range-1)?", ":"\n");
return 0;
}

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#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <math.h>
#define frand() ((double)rand()/(double)(RAND_MAX))
int main( int argc, char **argv )
{
double samp[3];
unsigned i, max = 16, domult = 0, hemi = 0;
if ( argc > 1 ) sscanf(argv[1],"%u",&max);
if ( argc > 2 ) sscanf(argv[2],"%u",&domult);
if ( argc > 3 ) sscanf(argv[3],"%u",&hemi);
double sum, mult;
srand(time(0));
for ( i=0; i<max; i++ )
{
mult = domult?((double)(i+1)/(double)max):1.;
if ( domult > 1 ) mult = pow(mult,domult);
samp[0] = frand()*2.-1.;
samp[1] = frand()*2.-1.;
samp[2] = (hemi)?(frand()):(frand()*2.-1.);
sum = sqrt(samp[0]*samp[0]+samp[1]*samp[1]+samp[2]*samp[2]);
samp[0] = (samp[0]/sum)*mult;
samp[1] = (samp[1]/sum)*mult;
samp[2] = (samp[2]/sum)*mult;
printf("float3(% .4lf,% .4lf,% .4lf)%s",samp[0],samp[1],
samp[2],(i%2)?(i<max-1)?",\n":"\n":",");
}
return 0;
}

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/*
mkvolume.c : Hastily written program to turn 2D LUTs into volume maps.
Reads raw RGB8 data and writes uncompressed RGB8 DDS because I'm lazy.
(C)2015 Marisa Kirisame, UnSX Team.
Released under the MIT License (see bottom of file).
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#define dword __UINT32_TYPE__
#define byte __UINT8_TYPE__
typedef struct
{
char magic[4];
dword size, flags, height, width, pitch, depth, mipmaps, reserved1[11],
pf_size, pf_flags;
char pf_fourcc[4];
dword pf_bitcount, pf_rmask, pf_gmask, pf_bmask, pf_amask, caps[4],
reserved2;
} __attribute__((packed)) ddsheader_t;
ddsheader_t head =
{
.magic = "DDS ", .size = 124,
.flags = 0x0080100F, /* caps|height|width|pitch|pixelformat|depth */
.height = 0, .width = 0, .pitch = 0, .depth = 0, /* set later */
.mipmaps = 0, .reserved1 = {0,0,0,0,0,0,0,0,0,0,0}, .pf_size = 32,
.pf_flags = 0x40 /* uncompressed */, .pf_fourcc = {0}, /* N/A */
.pf_bitcount = 24, .pf_rmask = 0xff, .pf_gmask = 0xff00,
.pf_bmask = 0xff0000, .pf_amask = 0, /* RGB8 mask, no alpha */
.caps = {0x1000,0x200000,0,0}, /* texture, volume */ .reserved2 = 0
};
typedef struct { byte r,g,b; } __attribute__((packed)) pixel_t;
pixel_t *tex = 0;
unsigned length = 0, numLUTs = 0;
#define area (length*length)
#define volume (length*length*length)
FILE *dat;
int readLUT( unsigned n )
{
char fn[256];
snprintf(fn,256,"lutout_%u.dds",n);
FILE *lf = fopen(fn,"w");
if ( !lf )
{
fprintf(stderr,"Could not open %s: %s\n",fn,strerror(errno));
return 0;
}
unsigned c = fwrite(&head,1,128,lf);
/* header goes here */
if ( c != 128 )
{
fprintf(stderr,"Failed to write header (%u != %u)\n",c,128);
return 0;
}
/* read entire LUT into memory */
c = fread(tex,1,3*volume,dat);
if ( c != 3*volume )
{
fprintf(stderr,"Failed to read data (%u != %u)\n",c,3*volume);
return 0;
}
/* write slices */
for ( unsigned i=0; i<length; i++ ) for ( unsigned j=0; j<length; j++ )
{
c = fwrite(&tex[i*length+j*area],1,3*length,lf);
if ( c == 3*length ) continue;
fprintf(stderr,"Failed to write line %u, layer %u (%u != %u)",
j,i,c,3*length);
}
fclose(lf);
return 1;
}
int main( int argc, char **argv )
{
if ( argc < 4 )
{
fprintf(stderr,"Usage: %s <file> <length> <numLUTs>",argv[0]);
fprintf(stderr," Data is read as raw RGB8\n");
return 1;
}
dat = fopen(argv[1],"r");
if ( !dat )
{
fprintf(stderr,"Could not open %s: %s\n",argv[1],
strerror(errno));
return 1;
}
sscanf(argv[2],"%u",&length);
sscanf(argv[3],"%u",&numLUTs);
head.width = head.height = head.depth = length;
head.pitch = length*3;
tex = malloc(3*length*length*length);
printf("Ready to read %u %u³ LUTs from stdin\n",numLUTs,length);
printf("%u bytes each, %u bytes total\n",3*volume,3*volume*numLUTs);
for ( unsigned i=0; i<numLUTs; i++ )
printf("Table %u %s\n",i,readLUT(i)?"OK":"FAIL");
free(tex);
fclose(dat);
return 0;
}
/*
Copyright (c) 2015 UnSX Team
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/

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/*
mkwall.c : The de-facto sayachan network wallpaper generator.
(C)2015-2017 Marisa Kirisame, UnSX Team. For personal use mostly.
Released under the GNU GPLv3 (or any later version).
Please refer to <https://gnu.org/licenses/gpl.txt> for license terms.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <libgen.h>
#include <X11/Xlib.h>
#include <X11/extensions/Xinerama.h>
#include <Imlib2.h>
#include <time.h>
/*
TODO:
- Option to put waifu on all screens
- Find a faster library for imaging
- Use xcb instead of Xlib
*/
/* helper macro for linear interpolation */
#define lerp(a,b,t) ((1.f-(t))*(a)+(t)*(b))
/* a BGRA pixel (packed just in case, even if pointless) */
typedef struct
{
unsigned char b,g,r,a;
} __attribute__((packed)) pixel_t;
/*
generate a BGRA8 image filled with a 4x4 diagonal stripe pattern
interpolating between two specific colours
*/
void* generate_diag( int w, int h, pixel_t cup, pixel_t cdn )
{
const float stripe[4] = {0.625f,0.375f,0.f,1.f};
int x, y, i;
pixel_t *diag = malloc(sizeof(pixel_t)*w*h);
i = 0;
for ( y=0; y<h; y++ )
{
for ( x=0; x<w; x++ )
{
diag[y*w+x].b = lerp(cup.b,cdn.b,stripe[i%4]);
diag[y*w+x].g = lerp(cup.g,cdn.g,stripe[i%4]);
diag[y*w+x].r = lerp(cup.r,cdn.r,stripe[i%4]);
diag[y*w+x].a = 255;
i++;
}
i=y%4;
}
return diag;
}
int main( int argc, char **argv )
{
clock_t tick, tock;
if ( argc < 6 )
{
printf("usage: %s <waifu> <RGB8> <RGB8> <l|c|r> <screen>"
" <filename>\n",basename(argv[0]));
return 1;
}
Display *d = XOpenDisplay(0);
Screen *s = ScreenOfDisplay(d,DefaultScreen(d));
int rw = s->width, rh = s->height;
Imlib_Image wall, waifu;
tick = clock();
waifu = imlib_load_image(argv[1]);
if ( !waifu ) return 2;
tock = clock();
printf("load waifu: %fs\n",(double)(tock-tick)/CLOCKS_PER_SEC);
imlib_context_set_image(waifu);
int ww = imlib_image_get_width(), wh = imlib_image_get_height();
pixel_t cup, cdn;
/* read the hex RGB8 gradient colours */
sscanf(argv[2],"%02hhx%02hhx%02hhx",&cup.r,&cup.g,&cup.b);
sscanf(argv[3],"%02hhx%02hhx%02hhx",&cdn.r,&cdn.g,&cdn.b);
tick = clock();
wall = imlib_create_image_using_data(rw,rh,
generate_diag(rw,rh,cup,cdn));
tock = clock();
printf("generate diag: %fs\n",(double)(tock-tick)/CLOCKS_PER_SEC);
imlib_context_set_image(wall);
/*
get the specified screen geometry if xinerama is active, otherwise
just use the full virtual screen
*/
int sw, sh, ox = 0, oy = 0;
int dummy1, dummy2;
if ( XineramaQueryExtension(d,&dummy1,&dummy2) && XineramaIsActive(d) )
{
printf("xinerama active, querying...\n");
int nxs, sno;
XineramaScreenInfo *xs = XineramaQueryScreens(d,&nxs);
sscanf(argv[5],"%d",&sno);
if ( (nxs+sno) < 0 ) sno = 0;
if ( sno >= nxs ) sno = nxs-1;
if ( sno < 0 ) sno = nxs+sno;
printf("%d screens available, #%d selected\n",nxs,sno);
for ( int i=0; i<nxs; i++ )
{
printf(" Screen %d: %hdx%hd+%hd+%hd\n",
xs[i].screen_number,xs[i].width,xs[i].height,
xs[i].x_org,xs[i].y_org);
}
rw = xs[sno].width;
rh = xs[sno].height;
ox = xs[sno].x_org;
oy = xs[sno].y_org;
XFree(xs);
}
sw = (ww*rh)/wh;
sh = rh;
ox += (*argv[4]=='l')?(0):(*argv[4]=='r')?(rw-sw):((rw-sw)/2);
tick = clock();
imlib_blend_image_onto_image(waifu,0,0,0,ww,wh,ox,oy,sw,sh);
tock = clock();
printf("blend images: %fs\n",(double)(tock-tick)/CLOCKS_PER_SEC);
/* save to file */
char *ext = strrchr(argv[6],'.');
if ( ext ) imlib_image_set_format(ext+1);
tick = clock();
imlib_save_image(argv[6]);
tock = clock();
printf("save image: %fs\n",(double)(tock-tick)/CLOCKS_PER_SEC);
XCloseDisplay(d);
imlib_free_image();
imlib_context_set_image(waifu);
imlib_free_image();
return 0;
}

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#define dword __UINT32_TYPE__
#define byte __UINT8_TYPE__
typedef struct
{
char magic[4];
dword size, flags, height, width, pitch, depth, mipmaps, reserved1[11],
pf_size, pf_flags;
char pf_fourcc[4];
dword pf_bitcount, pf_rmask, pf_gmask, pf_bmask, pf_amask, caps[4],
reserved2;
} __attribute__((packed)) ddsheader_t;
ddsheader_t head =
{
.magic = "DDS ", .size = 124,
.flags = 0x0000100F, /* caps|height|width|pitch|pixelformat */
.height = 0, .width = 0, .pitch = 0, .depth = 0, /* set later */
.mipmaps = 0, .reserved1 = {0,0,0,0,0,0,0,0,0,0,0}, .pf_size = 32,
.pf_flags = 0x41 /* uncompressed|alpha */, .pf_fourcc = {0}, /* N/A */
.pf_bitcount = 32, .pf_rmask = 0xff, .pf_gmask = 0xff00,
.pf_bmask = 0xff0000, .pf_amask = 0xff000000, /* RGBA mask */
.caps = {0x1000,0,0,0}, /* texture */ .reserved2 = 0
};
typedef struct { byte r,g,b,a; } __attribute__((packed)) pixel_t;
unsigned w = 0, h = 0;
pixel_t *tex = 0, *ttex = 0;
FILE *obj, *dds, *tmap;
typedef struct { float x,y,z; } vect_t;
typedef struct { float u,v; } uv_t;
typedef struct { int v,c,n; } vert_t;
typedef struct { vert_t a,b,c; } tri_t;
typedef struct { int x,y; } vec2_t;
typedef struct { pixel_t c[2]; vec2_t p[2]; } edge_t;
vect_t *verts = 0, *norms = 0, *tangents = 0, *binormals = 0;
uv_t *uvs = 0;
tri_t *tris = 0;
int nvert = 0, nnorm = 0, ncoord = 0, nface = 0;
void cross( vect_t *a, vect_t b, vect_t c )
{
a->x = b.y*c.z-b.z*c.y;
a->y = b.z*c.x-b.x*c.z;
a->z = b.x*c.y-b.y*c.x;
}
void normalize( vect_t *a )
{
float scale = sqrtf(powf(a->x,2.f)+powf(a->y,2.f)+powf(a->z,2.f));
a->x /= scale;
a->y /= scale;
a->z /= scale;
}
void normalize2( uv_t *a )
{
float scale = sqrtf(powf(a->u,2.f)+powf(a->v,2.f));
a->u /= scale;
a->v /= scale;
}
float dot( vect_t a, vect_t b )
{
return a.x*b.x+a.y*b.y+a.z*b.z;
}
void tangent( vect_t *t, vect_t *b, int n )
{
vect_t t1 = {0,0,0}, t2 = {0,0,0};
for ( int j=0; j<nface; j++ )
{
if ( (tris[j].a.n != n) && (tris[j].b.n != n)
&& (tris[j].c.n != n) ) continue;
}
}
void calctangents( void )
{
if ( tangents ) free(tangents);
if ( binormals ) free(binormals);
tangents = malloc(sizeof(vect_t)*nnorm);
binormals = malloc(sizeof(vect_t)*nnorm);
memset(tangents,0,sizeof(vect_t)*nnorm);
memset(binormals,0,sizeof(vect_t)*nnorm);
vect_t *t1, *t2;
t1 = malloc(sizeof(vect_t)*nnorm);
t2 = malloc(sizeof(vect_t)*nnorm);
memset(t1,0,sizeof(vect_t)*nnorm);
memset(t2,0,sizeof(vect_t)*nnorm);
for ( int j=0; j<nface; j++ )
{
vect_t abv, acv;
uv_t abc, acc;
float r;
vect_t ud, vd;
abv.x = verts[tris[j].b.v].x-verts[tris[j].a.v].x;
abv.y = verts[tris[j].b.v].y-verts[tris[j].a.v].y;
abv.z = verts[tris[j].b.v].z-verts[tris[j].a.v].z;
acv.x = verts[tris[j].c.v].x-verts[tris[j].a.v].x;
acv.y = verts[tris[j].c.v].y-verts[tris[j].a.v].y;
acv.z = verts[tris[j].c.v].z-verts[tris[j].a.v].z;
abc.u = uvs[tris[j].b.c].u-uvs[tris[j].a.c].u;
abc.v = uvs[tris[j].b.c].v-uvs[tris[j].a.c].v;
acc.u = uvs[tris[j].c.c].u-uvs[tris[j].a.c].u;
acc.v = uvs[tris[j].c.c].v-uvs[tris[j].a.c].v;
r = 1.f/(abc.u*acc.v-acc.u*abc.v);
ud.x = (acc.v*abv.x-abc.v-acv.x)*r;
ud.y = (acc.v*abv.y-abc.v-acv.y)*r;
ud.z = (acc.v*abv.z-abc.v-acv.z)*r;
vd.x = (abc.u*acv.x-acc.u-abv.x)*r;
vd.y = (abc.u*acv.y-acc.u-abv.y)*r;
vd.z = (abc.u*acv.z-acc.u-abv.z)*r;
t1[tris[j].a.n].x += ud.x;
t1[tris[j].a.n].y += ud.y;
t1[tris[j].a.n].z += ud.z;
t1[tris[j].b.n].x += ud.x;
t1[tris[j].b.n].y += ud.y;
t1[tris[j].b.n].z += ud.z;
t1[tris[j].c.n].x += ud.x;
t1[tris[j].c.n].y += ud.y;
t1[tris[j].c.n].z += ud.z;
t2[tris[j].a.n].x += vd.x;
t2[tris[j].a.n].y += vd.y;
t2[tris[j].a.n].z += vd.z;
t2[tris[j].b.n].x += vd.x;
t2[tris[j].b.n].y += vd.y;
t2[tris[j].b.n].z += vd.z;
t2[tris[j].c.n].x += vd.x;
t2[tris[j].c.n].y += vd.y;
t2[tris[j].c.n].z += vd.z;
}
for ( int i=0; i<nnorm; i++ )
{
float dotnt = dot(norms[i],t1[i]);
tangents[i].x = t1[i].x-norms[i].x*dotnt;
tangents[i].y = t1[i].y-norms[i].y*dotnt;
tangents[i].z = t1[i].z-norms[i].z*dotnt;
normalize(&tangents[i]);
cross(&binormals[i],norms[i],t1[i]);
float hand = (dot(binormals[i],t2[i])<0.f)?-1.f:1.f;
binormals[i].x *= hand;
binormals[i].y *= hand;
binormals[i].z *= hand;
}
free(t1);
free(t2);
}
void calcnormals( void )
{
if ( norms ) free(norms);
norms = malloc(sizeof(vect_t)*nvert);
memset(norms,0,sizeof(vect_t)*nvert);
nnorm = nvert;
for ( int i=0; i<nface; i++ )
{
tris[i].a.n = tris[i].a.v;
tris[i].b.n = tris[i].b.v;
tris[i].c.n = tris[i].c.v;
}
for ( int i=0; i<nvert; i++ )
{
for ( int j=0; j<nface; j++ )
{
if ( (tris[j].a.v != i) && (tris[j].b.v != i)
&& (tris[j].c.v != i) ) continue;
vect_t facet, ab, ac;
ab.x = verts[tris[j].b.v].x-verts[tris[j].a.v].x;
ab.y = verts[tris[j].b.v].y-verts[tris[j].a.v].y;
ab.z = verts[tris[j].b.v].z-verts[tris[j].a.v].z;
ac.x = verts[tris[j].c.v].x-verts[tris[j].a.v].x;
ac.y = verts[tris[j].c.v].y-verts[tris[j].a.v].y;
ac.z = verts[tris[j].c.v].z-verts[tris[j].a.v].z;
cross(&facet,ab,ac);
normalize(&facet);
norms[i].x += facet.x;
norms[i].y += facet.y;
norms[i].z += facet.z;
}
normalize(&norms[i]);
}
}
void loadobj( void )
{
char rbuf[131072];
char *txt = 0;
size_t nread, len = 0, pos = 0;
fseek(obj,0,SEEK_END);
len = ftell(obj);
fseek(obj,0,SEEK_SET);
txt = malloc(len+1);
do
{
nread = fread(rbuf,1,131072,obj);
memcpy(txt+pos,rbuf,nread);
pos += nread;
}
while ( !feof(obj) );
txt[pos] = 0;
char *line = txt;
do
{
if ( !strncmp(line,"v ",2) ) nvert++;
else if ( !strncmp(line,"vt ",3) ) ncoord++;
else if ( !strncmp(line,"vn ",3) ) nnorm++;
else if ( !strncmp(line,"f ",2) ) nface++;
line = strchr(line,'\n');
}
while ( line && *(line++) );
verts = malloc(sizeof(vect_t)*nvert);
norms = malloc(sizeof(vect_t)*nnorm);
uvs = malloc(sizeof(uv_t)*ncoord);
tris = malloc(sizeof(tri_t)*nface);
memset(verts,0,sizeof(vect_t)*nvert);
memset(norms,0,sizeof(vect_t)*nnorm);
memset(uvs,0,sizeof(uv_t)*ncoord);
memset(tris,0,sizeof(tri_t)*nface);
int cv = 0, cc = 0, cn = 0, cf = 0;
line = strtok(txt,"\n");
do
{
if ( !strncmp(line,"v ",2) )
{
sscanf(line,"v %f %f %f",&verts[cv].x,&verts[cv].y,
&verts[cv].z);
cv++;
}
else if ( !strncmp(line,"vt ",3) )
{
sscanf(line,"vt %f %f",&uvs[cc].u,&uvs[cc].v);
uvs[cc].v = 1.0-uvs[cc].v;
cc++;
}
else if ( !strncmp(line,"vn ",3) )
{
sscanf(line,"vn %f %f %f",&norms[cn].x,&norms[cn].y,
&norms[cn].z);
cn++;
}
else if ( !strncmp(line,"f ",2) )
{
if ( cn <= 0 )
{
sscanf(line,"f %d/%d %d/%d %d/%d",
&tris[cf].a.v,&tris[cf].a.c,
&tris[cf].b.v,&tris[cf].b.c,
&tris[cf].c.v,&tris[cf].c.c);
}
else
{
sscanf(line,"f %d/%d/%d %d/%d/%d %d/%d/%d",
&tris[cf].a.v,&tris[cf].a.c,
&tris[cf].a.n,&tris[cf].b.v,
&tris[cf].b.c,&tris[cf].b.n,
&tris[cf].c.v,&tris[cf].c.c,
&tris[cf].c.n);
}
tris[cf].a.v--;
tris[cf].a.c--;
tris[cf].a.n--;
tris[cf].b.v--;
tris[cf].b.c--;
tris[cf].b.n--;
tris[cf].c.v--;
tris[cf].c.c--;
tris[cf].c.n--;
cf++;
}
}
while ( (line = strtok(0,"\n")) );
free(txt);
}
void mkedge( edge_t *e, pixel_t c1, vec2_t p1, pixel_t c2, vec2_t p2 )
{
if ( p1.y < p2.y )
{
e->c[0] = c1;
e->p[0] = p1;
e->c[1] = c2;
e->p[1] = p2;
}
else
{
e->c[0] = c2;
e->p[0] = p2;
e->c[1] = c1;
e->p[1] = p1;
}
}
void lerpcolor( pixel_t *o, pixel_t a, pixel_t b, float f )
{
f = (f>0.f)?(f>1.f)?1.f:f:0.f;
o->r = a.r*(1.f-f)+b.r*f;
o->g = a.g*(1.f-f)+b.g*f;
o->b = a.b*(1.f-f)+b.b*f;
o->a = a.a*(1.f-f)+b.a*f;
}
void drawspans( edge_t a, edge_t b )
{
float e1 = a.p[1].y-a.p[0].y;
if ( e1 == 0.f ) return;
float e2 = b.p[1].y-b.p[0].y;
if ( e2 == 0.f ) return;
float is1 = (float)(a.p[1].x-a.p[0].x);
float is2 = (float)(b.p[1].x-b.p[0].x);
float f1 = (float)(b.p[0].y-a.p[0].y)/e1;
float fs1 = 1.f/e1;
float f2 = 0.f;
float fs2 = 1.f/e2;
for ( int y=b.p[0].y; y<b.p[1].y; y++ )
{
pixel_t c1, c2, c3;
lerpcolor(&c1,a.c[0],a.c[1],f1);
lerpcolor(&c2,b.c[0],b.c[1],f2);
int x1 = a.p[0].x+(int)(is1*f1);
int x2 = b.p[0].x+(int)(is2*f2);
if ( x1>x2 )
{
int tmp = x1;
x1 = x2;
x2 = tmp;
pixel_t tmpc = c1;
c1 = c2;
c2 = tmpc;
}
int xd = x2-x1;
if ( xd != 0 )
{
float fx = 0.f, fsx = 1.f/(float)xd;
for ( int x=x1; x<x2; x++ )
{
lerpcolor(&c3,c1,c2,fx);
if ( (x >= 0) && (x < w) && (y >= 0)
&& (y < h) )
if ( !tex[x+y*w].a ) tex[x+y*w] = c3;
fx += fsx;
}
}
f1 += fs1;
f2 += fs2;
}
}
void drawtriangle( int t1, int t2, int t3, int n1, int n2, int n3 )
{
pixel_t col[3] =
{
{(norms[n1].x*0.5f+0.5f)*255,(norms[n1].z*0.5f+0.5f)*255,
(norms[n1].y*0.5+0.5)*255,255},
{(norms[n2].x*0.5f+0.5f)*255,(norms[n2].z*0.5f+0.5f)*255,
(norms[n2].y*0.5+0.5)*255,255},
{(norms[n3].x*0.5f+0.5f)*255,(norms[n3].z*0.5f+0.5f)*255,
(norms[n3].y*0.5f+0.5f)*255,255},
};
vec2_t pts[3] =
{
{uvs[t1].u*w,uvs[t1].v*h},
{uvs[t2].u*w,uvs[t2].v*h},
{uvs[t3].u*w,uvs[t3].v*h}
};
edge_t edges[3];
mkedge(&edges[0],col[0],pts[0],col[1],pts[1]);
mkedge(&edges[1],col[1],pts[1],col[2],pts[2]);
mkedge(&edges[2],col[2],pts[2],col[0],pts[0]);
float ml = 0;
int longest = 0, short1 = 0, short2 = 0;
for ( int i=0; i<3; i++ )
{
float l = edges[i].p[1].y-edges[i].p[0].y;
if ( l > ml )
{
ml = l;
longest = i;
}
}
short1 = (longest+1)%3;
short2 = (longest+2)%3;
drawspans(edges[longest],edges[short1]);
drawspans(edges[longest],edges[short2]);
}
void plotnormals( void )
{
int x1, y1, x2, y2, x3, y3;
for ( int i=0; i<nface; i++ )
drawtriangle(tris[i].a.c,tris[i].b.c,tris[i].c.c,
tris[i].a.n,tris[i].b.n,tris[i].c.n);
}
int main( int argc, char **argv )
{
if ( argc < 4 ) return 1;
sscanf(argv[3],"%ux%u",&w,&h);
head.width = w;
head.height = h;
head.pitch = w*4;
/* load model */
if ( !(obj = fopen(argv[1],"r")) ) return 2;
loadobj();
fclose(obj);
/* plot pixels */
tex = malloc(sizeof(pixel_t)*w*h);
memset(tex,0,sizeof(pixel_t)*w*h);
printf("calculate normals\n");
calcnormals();
printf("calculate tangents and binormals\n");
calctangents();
printf("plot normals\n");
plotnormals();
/* clean up */
if ( !verts ) free(verts);
if ( !norms ) free(norms);
if ( !tangents ) free(tangents);
if ( !binormals ) free(binormals);
if ( !uvs ) free(uvs);
if ( !tris ) free(tris);
/* save texture */
if ( !(dds = fopen(argv[2],"w")) ) { fclose(obj); return 4; }
fwrite(&head,sizeof(ddsheader_t),1,dds);
fwrite(tex,sizeof(pixel_t),w*h,dds);
free(tex);
fclose(dds);
return 0;
}

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/*
schange.c : run command on screen change events from RandR.
(C)2015 Marisa Kirisame, UnSX Team. For personal use mostly.
Released under the GNU GPLv3 (or any later version).
Please refer to <https://gnu.org/licenses/gpl.txt> for license terms.
*/
#include <stdlib.h>
#include <unistd.h>
#include <sys/wait.h>
#include <xcb/xcb.h>
#include <xcb/xcb_event.h>
#include <xcb/randr.h>
xcb_connection_t *c;
xcb_screen_t *s;
char **cmdline;
void handle_event( xcb_generic_event_t *e )
{
const xcb_query_extension_reply_t *r;
r = xcb_get_extension_data(c,&xcb_randr_id);
if ( (e->response_type&0x7f) != (r->first_event+XCB_RANDR_NOTIFY) )
return;
/* fork and exec command */
int pid = fork();
if ( !pid ) execvp(cmdline[0],cmdline);
else waitpid(pid,0,0);
}
int main( int argc, char **argv )
{
if ( argc < 2 ) return 1;
cmdline = argv+1;
c = xcb_connect(0,0);
s = xcb_setup_roots_iterator(xcb_get_setup(c)).data;
xcb_randr_select_input(c,s->root,XCB_RANDR_NOTIFY_MASK_CRTC_CHANGE);
xcb_flush(c);
xcb_generic_event_t *e;
while ( (e=xcb_wait_for_event(c)) )
{
handle_event(e);
free(e);
}
xcb_disconnect(c);
return 0;
}

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#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
typedef struct
{
union
{
uint8_t type[4];
uint32_t typehex;
};
uint32_t ver, len;
uint8_t *data;
} __attribute__((packed)) skse_chunk_t;
typedef struct
{
union
{
uint8_t magic[4];
uint32_t magichex;
};
uint32_t nchunks, len;
skse_chunk_t *chunks;
} __attribute__((packed)) skse_plugin_t;
typedef struct
{
union
{
uint8_t magic[4];
uint32_t magichex;
};
uint32_t fmtver;
uint32_t sksever;
uint32_t rtver;
uint32_t nplugins;
skse_plugin_t *plugins;
} __attribute__((packed)) skse_t;
void rawdatadump( const skse_chunk_t *chnk )
{
int i = 0, len = chnk->len;
while ( i<len )
{
int j, jmax = ((len-i)<16)?(len-i):16;
for ( j=0; j<jmax; j++ ) printf("%02x ",chnk->data[i+j]);
for ( ; j<16; j++ ) printf(" ");
for ( j=0; j<jmax; j++ ) if ( (chnk->data[i+j] >= 0x20)
&& (chnk->data[i+j] < 0x7f) )
putchar(chnk->data[i+j]);
else putchar('.');
for ( ; j<16; j++ ) putchar(' ');
putchar('\n');
i += jmax;
}
}
void getmodlist( const uint8_t *dat )
{
int nmods = dat[0];
printf("Listing %u plugin files:\n",dat[0]);
int i, p = 1;
for ( i=0; i<nmods; i++ )
{
int sl, ps = 0;
sl = dat[p++]|((dat[p++]<<8)&0xFF00);
printf(" %02X - ",i);
while ( ps++ < sl ) putchar(dat[p++]);
putchar('\n');
};
}
int main( int argc, char **argv )
{
if ( argc < 1 ) return 1;
FILE *sf = fopen(argv[1],"r");
if ( !sf ) return 2;
skse_t skse = {0};
fread(&skse,20,1,sf);
skse.plugins = malloc(sizeof(skse_plugin_t)*skse.nplugins);
printf("Magic: %08x \"%.4s\"\n",skse.magichex,skse.magic);
printf("Format version: %u\n",skse.fmtver);
int maj, min, beta, sub;
maj = (skse.sksever>>24)&0xFF;
min = (skse.sksever>>16)&0xFF;
beta = (skse.sksever>>4)&0xFFF;
printf("SKSE version: %d.%d.%d\n",maj,min,beta);
maj = (skse.rtver>>24)&0xFF;
min = (skse.rtver>>16)&0xFF;
beta = (skse.rtver>>4)&0xFFF;
printf("Runtime version: 1.%d.%d.%d\n",maj,min,beta);
printf("Number of plugins: %u\n",skse.nplugins);
skse_plugin_t *plug;
int i;
for ( i=0; i<skse.nplugins; i++ )
{
plug = &skse.plugins[i];
fread(plug,12,1,sf);
printf("------ %08x \"%c%c%c%c\" ",plug->magichex,
plug->magic[3],plug->magic[2],plug->magic[1],
plug->magic[0]);
printf("%u chunks ",plug->nchunks);
printf("%u bytes\n",plug->len);
plug->chunks = malloc(sizeof(skse_chunk_t)*plug->nchunks);
skse_chunk_t *chnk;
int j;
for ( j=0; j<plug->nchunks; j++ )
{
chnk = &plug->chunks[j];
fread(chnk,12,1,sf);
chnk->data = malloc(chnk->len);
fread(chnk->data,chnk->len,1,sf);
printf("--- %08x \"%c%c%c%c\" ",chnk->typehex,
chnk->type[3],chnk->type[2],chnk->type[1],
chnk->type[0]);
printf("v%u ",chnk->ver);
printf("%u bytes\n",chnk->len);
if ( chnk->typehex == 0x4d4f4453 )
getmodlist(chnk->data);
else rawdatadump(chnk);
}
}
fclose(sf);
return 0;
}

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/*
soapstone.c : Random orange soapstone message generator.
(C)2016 Marisa Kirisame, UnSX Team.
Released under the GNU GPLv3 (or later).
Dark Souls is (C)2011-2016 From Software.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
const char templates1[13][32] =
{
"%s ahead",
"Be wary of %s",
"Try %s",
"Need %s",
"Imminent %s...",
"Weakness: %s",
"%s",
"%s?",
"Good luck",
"I did it!",
"Here!",
"I can't take this...",
"Praise the Sun!"
};
const char words1[173][32] =
{
"Enemy",
"Tough enemy",
"Hollow",
"Soldier",
"Knight",
"Sniper",
"Caster",
"Giant",
"Skeleton",
"Ghost",
"Bug",
"Poison bug",
"Lizard",
"Drake",
"Flier",
"Golem",
"Statue",
"Monster",
"Strange creature",
"Demon",
"Darkwraith",
"Dragon",
"Boss",
"Saint",
"Wretch",
"Charmer",
"Miscreant",
"Liar",
"Fatty",
"Beanpole",
"Merchant",
"Blacksmith",
"Master",
"Prisoner",
"Bonfire",
"Fog wall",
"Humanity",
"Lever",
"Switch",
"Key",
"Treasure",
"Chest",
"Weapon",
"Shield",
"Projectile",
"Armour",
"Item",
"Ring",
"Sorcery scroll",
"Pyromancy scroll",
"Miracle scroll",
"Ember",
"Trap",
"Covenant",
"Amazing key",
"Amazing treasure",
"Amazing chest",
"Amazing weapon",
"Amazing armour",
"Amazing item",
"Amazing ring",
"Amazing sorcery scroll",
"Amazing pyromancy scroll",
"Amazing miracle scroll",
"Amazing ember",
"Amazing trap",
"Close-ranged battle",
"Ranged battle",
"Eliminating one at a time",
"Luring it out",
"Beating to a pulp",
"Lying in ambush",
"Stealth",
"Mimicry",
"Pincer attack",
"Hitting them in one swoop",
"Fleeing",
"Charging",
"Stabbing in the back",
"Sweeping attack",
"Shield breaking",
"Head shots",
"Sorcery",
"Pyromancy",
"Miracles",
"Jumping off",
"Sliding down",
"Dashing through",
"Rolling",
"Backstepping",
"Jumping",
"Attacking",
"Holding with both hands",
"Kicking",
"A plunging attack",
"Blocking",
"Parrying",
"Locking-on",
"Path",
"Hidden path",
"Shortcut",
"Detour",
"Illusory wall",
"Shortcut",
"Dead end",
"Swamp",
"Lava",
"Forest",
"Cave",
"Labyrinth",
"Safe zone",
"Danger zone",
"Sniper spot",
"Bright spot",
"Dark spot",
"Open area",
"Tight spot",
"Hiding place",
"Exchange",
"Gorgeous view",
"Fall",
"Front",
"Back",
"Left",
"Right",
"Up",
"Down",
"Feet",
"Head",
"Back",
"Head",
"Neck",
"Stomach",
"Back",
"Arm",
"Leg",
"Heel",
"Rear",
"Tail",
"Wings",
"Anywhere",
"Strike",
"Thrust",
"Slash",
"Magic",
"Fire",
"Lightning",
"Critical hits",
"Bleeding",
"Poison",
"Strong poison",
"Curses",
"Divine",
"Occult",
"Crystal",
"Chance",
"Hint",
"Secret",
"Happiness",
"Sorrow",
"Life",
"Death",
"Undead",
"Elation",
"Grief",
"Hope",
"Despair",
"Light",
"Dark",
"Bravery",
"Resignation",
"Comfort",
"Tears"
};
const char templates2[11][32] =
{
"%s ahead",
"%s required ahead",
"be wary of %s",
"try %s",
"weakness: %s",
"visions of %s...",
"%s",
"%s!",
"%s?",
"%s...",
"hurrah for %s!",
};
const char conjunctions2[7][32] =
{
" and then ",
" but ",
" therefore ",
" in short ",
" or ",
" by the way ",
", "
};
const char words2[247][32] =
{
"enemy",
"monster",
"lesser foe",
"tough enemy",
"boss",
"Hollow",
"skeleton",
"ghost",
"bug",
"Gyrm",
"beast",
"giant",
"dwarf",
"sniper",
"caster",
"duo",
"trio",
"saint",
"wretch",
"charmer",
"poor soul",
"oddball",
"nimble one",
"laggard",
"moneybags",
"beggar",
"miscreant",
"liar",
"fatty",
"beanpole",
"merchant",
"artisan",
"master",
"friend",
"ally",
"Dark Spirit",
"Phantom",
"Shade",
"bonfire",
"fog wall",
"lever",
"switch",
"key",
"trap",
"torch",
"door",
"treasure",
"chest",
"something",
"quite something",
"weapon",
"shield",
"projectile",
"armor",
"item",
"ring",
"scroll",
"ore",
"message",
"bloodstain",
"illusion",
"close-ranged battle",
"ranged battle",
"eliminating one at a time",
"luring it out",
"beating to a pulp",
"ambush",
"pincer attack",
"hitting them in one swoop",
"dual-wielding",
"stealth",
"mimicry",
"fleeing",
"charging",
"jumping off",
"dashing through",
"circling around",
"trapping inside",
"rescue",
"sorcery",
"pyromancy",
"miracles",
"hexes",
"pure luck",
"prudence",
"brief respite",
"play dead",
"jog",
"dash",
"rolling",
"backstepping",
"jumping",
"attacking",
"jump attack",
"dash attack",
"counter attack",
"stabbing in the back",
"guard stun & stab",
"parry stun & stab",
"plunging attack",
"sweeping attack",
"shield breaking",
"blocking",
"parrying",
"spell parry",
"locking-on",
"no lock-on",
"two-handing",
"gesture",
"control",
"destroy",
"boulder",
"lava",
"poison gas",
"enemy horde",
"forest",
"cave",
"arena",
"hidden path",
"detour",
"shortcut",
"dead end",
"labyrinth",
"hole",
"bright spot",
"dark spot",
"open area",
"tight spot",
"safe zone",
"danger zone",
"sniper spot",
"hiding place",
"illusory wall",
"ladder",
"lift",
"exchange",
"gorgeous view",
"looking away",
"overconfidence",
"slip-up",
"oversight",
"fatigue",
"bad luck",
"inattention",
"loss of stamina",
"front",
"back",
"left",
"right",
"up",
"down",
"below",
"above",
"behind",
"head",
"neck",
"stomach",
"back",
"arm",
"leg",
"rear",
"tail",
"wings",
"anywhere",
"tongue",
"right arm",
"left arm",
"right leg",
"left leg",
"right side",
"left side",
"pincer",
"wheel",
"core",
"horse",
"strike",
"thrust",
"slash",
"magic",
"sorcery",
"fire",
"lightning",
"critical hits",
"bleeding",
"poison",
"toxic",
"curse",
"equipment breakage",
"chance",
"quagmire",
"hint",
"secret",
"happiness",
"misfortune",
"life",
"death",
"joy",
"sadness",
"tears",
"hope",
"despair",
"victory",
"defeat",
"light",
"dark",
"bravery",
"confidence",
"vigor",
"revenge",
"resignation",
"overwhelming",
"regret",
"pointless",
"man",
"woman",
"recklessness",
"composure",
"guts",
"comfort",
"silence",
"good luck",
"fine work",
"I did it!",
"I've failed...",
"here!",
"not here!",
"I can't take this...",
"don't you dare!",
"do it!",
"look carefully",
"listen carefully",
"think carefully",
"this place again?",
"now the real fight begins",
"keep moving",
"pull back",
"give it up",
"don't give up",
"help me...",
"impossible...",
"bloody expensive...",
"nice job",
"let me out of here...",
"stay calm",
"like a dream...",
"are you ready?",
"praise the Sun!"
};
const char templates3[17][32] =
{
"%s ahead",
"No %s ahead",
"%s required ahead",
"be wary of %s",
"try %s",
"Could this be a %s?",
"If only I had a %s...",
"visions of %s...",
"Time for %s",
"%s",
"%s!",
"%s?",
"%s...",
"Huh. It's a %s...",
"praise the %s!",
"Let there be %s",
"Ahh, %s..."
};
const char conjunctions3[10][32] =
{
" and then ",
" but ",
" therefore ",
" in short ",
" or ",
" only ",
" by the way ",
" so to speak ",
" all the more ",
", ",
};
const char gestures3[33][32] =
{
"Point forward",
"Point up",
"Point down",
"Wave",
"Beckon",
"Call over",
"Welcome",
"Applause",
"Quiet Resolve",
"Jump for joy",
"Joy",
"Rejoice",
"Hurrah!",
"Praise the Sun",
"My thanks!",
"Bow",
"Proper bow",
"Dignified bow",
"Duel bow",
"Legion Etiquette",
"Darkmoon Loyalty",
"By my sword",
"Prayer",
"Silent Ally",
"Rest",
"Collapse",
"Patches Squat",
"Prostration",
"Toast",
"Sleep",
"Curl up",
"Stretch out",
"Path of the Dragon"
};
const char words3[322][32] =
{
"enemy",
"monster",
"mob enemy",
"tough enemy",
"critical foe",
"Hollow",
"pilgrim",
"prisoner",
"monstrosity",
"skeleton",
"ghost",
"beast",
"lizard",
"bug",
"grub",
"crab",
"dwarf",
"giant",
"demon",
"dragon",
"knight",
"sellsword",
"warrior",
"herald",
"bandit",
"assassin",
"sorcerer",
"pyromancer",
"cleric",
"deprived",
"sniper",
"duo",
"trio",
"you",
"you bastard",
"good fellow",
"saint",
"wretch",
"charmer",
"poor soul",
"oddball",
"nimble one",
"laggard",
"moneybags",
"beggar",
"miscreant",
"liar",
"fatty",
"beanpole",
"youth",
"elder",
"old codger",
"old dear",
"miscreant",
"artisan",
"master",
"sage",
"champion",
"Lord of Cinder",
"king",
"queen",
"prince",
"princess",
"angel",
"god",
"friend",
"ally",
"spouse",
"covenantor",
"Phantom",
"Dark Spirit",
"bonfire",
"ember",
"fog wall",
"lever",
"contraption",
"key",
"trap",
"torch",
"door",
"treasure",
"chest",
"something",
"quite something",
"rubbish",
"filth",
"weapon",
"shield",
"projectile",
"armor",
"item",
"ring",
"ore",
"coal",
"transposing kiln",
"scroll",
"umbral ash",
"throne",
"rite",
"coffin",
"cinder",
"ash",
"moon",
"eye",
"brew",
"soup",
"message",
"bloodstain",
"illusion",
"close-ranged battle",
"ranged battle",
"eliminating one at a time",
"luring it out",
"beating to a pulp",
"ambush",
"pincer attack",
"hitting them in one swoop",
"dual-wielding",
"stealth",
"mimicry",
"fleeing",
"charging",
"jumping off",
"dashing through",
"circling around",
"trapping inside",
"rescue",
"Skill",
"sorcery",
"pyromancy",
"miracles",
"pure luck",
"prudence",
"brief respite",
"play dead",
"jog",
"dash",
"rolling",
"backstepping",
"jumping",
"attacking",
"jump attack",
"dash attack",
"counter attack",
"stabbing in the back",
"guard stun & stab",
"plunging attack",
"sweeping attack",
"shield breaking",
"blocking",
"parrying",
"locking-on",
"no lock-on",
"two-handing",
"gesture",
"control",
"destroy",
"boulder",
"lava",
"poison gas",
"enemy horde",
"forest",
"swamp",
"cave",
"shortcut",
"detour",
"hidden path",
"secret passage",
"dead end",
"labyrinth",
"hole",
"bright spot",
"dark spot",
"open area",
"tight spot",
"safe zone",
"danger zone",
"sniper spot",
"hiding place",
"illusory wall",
"ladder",
"lift",
"gorgeous view",
"looking away",
"overconfidence",
"slip-up",
"oversight",
"fatigue",
"bad luck",
"inattention",
"loss of stamina",
"chance encounter",
"planned encounter",
"front",
"back",
"left",
"right",
"up",
"down",
"below",
"above",
"behind",
"head",
"neck",
"stomach",
"back",
"arm",
"finger",
"leg",
"rear",
"tail",
"wings",
"anywhere",
"tongue",
"right arm",
"left arm",
"thumb",
"indexfinger",
"longfinger",
"ringfinger",
"smallfinger",
"right leg",
"left leg",
"right side",
"left side",
"pincer",
"wheel",
"core",
"mount",
"regular",
"strike",
"thrust",
"slash",
"magic",
"crystal",
"fire",
"chaos",
"lightning",
"blessing",
"dark",
"critical hits",
"bleeding",
"poison",
"toxic",
"frost",
"curse",
"equipment breakage",
"chance",
"quagmire",
"hint",
"secret",
"sleeptalk",
"happiness",
"misfortune",
"life",
"death",
"demise",
"joy",
"fury",
"agony",
"sadness",
"tears",
"loyalty",
"betrayal",
"hope",
"despair",
"fear",
"losing sanity",
"victory",
"defeat",
"sacrifice",
"light",
"dark",
"bravery",
"confidence",
"vigor",
"revenge",
"resignation",
"overwhelming",
"regret",
"pointless",
"man",
"woman",
"friendship",
"love",
"recklessness",
"composure",
"guts",
"comfort",
"silence",
"deep",
"good luck",
"fine work",
"I did it!",
"I've failed...",
"here!",
"not here!",
"I can't take this...",
"lonely...",
"don't you dare!",
"do it!",
"look carefully",
"listen carefully",
"think carefully",
"this place again?",
"now the real fight begins",
"you don't deserve this",
"keep moving",
"pull back",
"give it up",
"don't give up",
"help me...",
"impossible...",
"bloody expensive...",
"let me out of here...",
"stay calm",
"like a dream...",
"seems familiar...",
"are you ready?",
"it'll happen to you too",
"praise the Sun!",
"may the flames guide thee"
};
void print_soapstone_ds1( void )
{
int template = rand()%13;
int word = rand()%173;
char mesg[256];
if ( template < 8 ) sprintf(mesg,templates1[template],words1[word]);
else strcpy(mesg,templates1[template]);
printf("%s\n",mesg);
}
void print_soapstone_ds2( void )
{
int template = rand()%11;
int word = rand()%(((template>5)&&(template<10))?247:220);
char mesg[256];
sprintf(mesg,templates2[template],words2[word]);
if ( rand()&1 )
{
char mesg2[256];
int template2 = rand()%11;
int word2 = rand()%(((template2>5)&&(template2<10))?247:220);
int conj = rand()%7;
sprintf(mesg2,templates2[template2],words2[word2]);
printf("%s%s%s\n",mesg,conjunctions2[conj],mesg2);
}
else printf("%s\n",mesg);
}
void print_soapstone_ds3( void )
{
if ( rand()&1 ) printf("[%s] ",gestures3[rand()%33]);
int template = rand()%17;
int word = rand()%322;
char mesg[256];
sprintf(mesg,templates3[template],words3[word]);
if ( rand()&1 )
{
char mesg2[256];
int template2 = rand()%17;
int word2 = rand()%211;
int conj = rand()%10;
sprintf(mesg2,templates3[template2],words3[word2]);
printf("%s%s%s\n",mesg,conjunctions3[conj],mesg2);
}
else printf("%s\n",mesg);
}
int main( int argc, char **argv )
{
int rsd = 0;
#ifndef WINDOWS
FILE *r;
if ( (r = fopen("/dev/random","r")) )
{
fread(&rsd,sizeof(int),1,r);
fclose(r);
}
else
#endif
rsd = time(0);
srand(rsd);
if ( argc < 2 )
{
fprintf(stderr,"usage: %s <gamenumber> [lines]\n",argv[0]);
return 1;
}
int times = 1;
if ( argc > 2 ) sscanf(argv[2],"%d",&times);
switch( *argv[1] )
{
case '1':
for ( int i=0; i<times; i++ ) print_soapstone_ds1();
break;
case '2':
for ( int i=0; i<times; i++ ) print_soapstone_ds2();
break;
case '3':
for ( int i=0; i<times; i++ ) print_soapstone_ds3();
break;
default:
fprintf(stderr,"unknown gamenum %c\n",*argv[1]);
break;
}
return 0;
}

21
totty.c Normal file
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@ -0,0 +1,21 @@
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
int main( int argc, char **argv )
{
char *tty = "/dev/tty1";
if ( argc > 1 ) tty = argv[1];
int fd = open(tty,O_RDWR);
if ( !fd == -1 )
{
perror("open tty failed");
return 1;
}
int mchar = 0;
while ( (mchar = getchar()) != EOF )
ioctl(fd,TIOCSTI,&mchar);
close(fd);
return 0;
}

90
vc2sdl.c Normal file
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@ -0,0 +1,90 @@
#include <bcm_host.h>
#include <SDL2/SDL.h>
#include <time.h>
#define TMAX 64
int ti = 0;
float ts = 0.f, tl[TMAX] = {0.f};
float avg_fps( float nt )
{
ts = ts-tl[ti]+nt;
tl[ti] = nt;
if ( ++ti == TMAX ) ti = 0;
return ts/TMAX;
}
#define NANOS_SEC 1000000000L
long ticker( void )
{
struct timespec ts;
clock_gettime(CLOCK_MONOTONIC_RAW,&ts);
return ts.tv_nsec+ts.tv_sec*NANOS_SEC;
}
int main( int argc, char **argv )
{
unsigned reduce = 1;
unsigned width = 720, height = 480;
if ( argc > 2 )
{
sscanf(argv[2],"%u",&reduce);
sscanf(argv[1],"%ux%u",&width,&height);
}
width /= reduce;
height /= reduce;
bcm_host_init();
DISPMANX_DISPLAY_HANDLE_T d = vc_dispmanx_display_open(0);
if ( !d ) return 1;
DISPMANX_MODEINFO_T m;
if ( vc_dispmanx_display_get_info(d,&m) )
{
vc_dispmanx_display_close(d);
return 2;
}
unsigned pt;
DISPMANX_RESOURCE_HANDLE_T r =
vc_dispmanx_resource_create(VC_IMAGE_RGB888,width,height,&pt);
if ( !r )
{
vc_dispmanx_display_close(d);
return 4;
}
VC_RECT_T rt;
vc_dispmanx_rect_set(&rt,0,0,width,height);
SDL_Init(SDL_INIT_VIDEO);
SDL_Window *w = SDL_CreateWindow("VC4 Feed",SDL_WINDOWPOS_CENTERED,
SDL_WINDOWPOS_CENTERED,width,height,SDL_WINDOW_SHOWN);
SDL_Surface *ws = SDL_GetWindowSurface(w);
SDL_Surface *copy = SDL_CreateRGBSurface(0,width,height,24,0xFF,0xFF00,
0xFF0000,0);
int active = 1;
SDL_Event e;
long tick, tock;
float frame = 0.f, fps = NAN, fpsmin = INFINITY, fpsmax = -INFINITY,
fpsavg = 0.f;
while ( active )
{
tick = ticker();
while ( SDL_PollEvent(&e) )
if ( e.type == SDL_QUIT ) active = 0;
vc_dispmanx_snapshot(d,r,0);
vc_dispmanx_resource_read_data(r,&rt,copy->pixels,copy->pitch);
SDL_BlitSurface(copy,0,ws,0);
SDL_UpdateWindowSurface(w);
tock = ticker();
frame = (float)(tock-tick)/NANOS_SEC;
fps = 1.f/frame;
fpsavg = avg_fps(fps);
if ( fps > fpsmax ) fpsmax = fps;
if ( fps < fpsmin ) fpsmin = fps;
printf("FPS: %.2f (%.2f min, %.2f max, %.2f avg)\n",fps,
fpsmin,fpsmax,fpsavg);
}
vc_dispmanx_display_close(d);
SDL_FreeSurface(copy);
SDL_DestroyWindow(w);
SDL_Quit();
return 0;
}

23
withhands.c Normal file
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#include <stdio.h>
const char* asciitab[96] =
{
" ","🖉","✂","✁","👓","🕭","🕮","🕯","🕿","✆","🖂","🖃","📪","📫","📬","📭","🗀",
"🗁","🗎","🗏","🗐","🗄","⌛","🖮","🖰","🖲","🖳","🖴","🖫","🖬","✇","✍","🖎","✌",
"🖏","🖒","🖓","🖘","🖙","🖞","🖟","🖐","☺","😐","☹","💣","☠","⚐","🏱","✈","☼",
"🌢","❄","🕆","✞","🕈","✠","✡","☪","☯","ॐ","☸","♈","♉","♊","♋","♌","♍",
"♎","♏","♐","♑","♒","♓","🙰","🙵","●","❍","■","□","◻","❏","❐","⬪","⬧",
"◆","❖","⬥","⌧","⍓","⌘","❀","✿","❝","❞","▯"
};
int main( void )
{
int ch;
while ( (ch=getchar()) != EOF )
{
if ( (ch >= 0x20) && (ch < 0x80) )
printf(asciitab[ch-0x20]);
else putchar(ch);
}
return 0;
}

21
zfs-rootfs.patch Normal file
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@ -0,0 +1,21 @@
diff --git a/src/zfs-utils/zfs-utils.initcpio.hook b/src/zfs-utils/zfs-utils.initcpio.hook
index 09d081f..4337e23 100644
--- a/src/zfs-utils/zfs-utils.initcpio.hook
+++ b/src/zfs-utils/zfs-utils.initcpio.hook
@@ -53,6 +53,7 @@ zfs_mount_handler () {
fi
local node="$1"
+ local rootmnt=$(zfs get -H -o value mountpoint "${ZFS_DATASET}")
local tab_file="${node}/etc/fstab"
local zfs_datasets="$(zfs list -H -o name -t filesystem -r ${ZFS_DATASET})"
@@ -73,7 +74,7 @@ zfs_mount_handler () {
fi
;;
*)
- mount -t zfs -o "zfsutil,${rwopt_exp}" "${dataset}" "${node}${mountpoint}"
+ mount -t zfs -o "zfsutil,${rwopt_exp}" "${dataset}" "${node}/${mountpoint##${rootmnt}}"
;;
esac
done

71
zimagekver.c Normal file
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#include <stdio.h>
#include <string.h>
#include <errno.h>
int main( int argc, char **argv )
{
if ( argc < 2 )
{
fprintf(stderr,"No file provided!\n");
return 1;
}
FILE *k;
if ( !(k = fopen(argv[1],"r")) )
{
fprintf(stderr,"Could not open file: %s\n",strerror(errno));
return 2;
}
/* seek to fields */
if ( fseek(k,0x24,SEEK_SET) == -1 )
{
fprintf(stderr,"Could not seek in file for header: %s\n",
strerror(errno));
fclose(k);
return 4;
}
/* read important info */
unsigned sig = 0, start = 0, end = 0;
fread(&sig,4,1,k);
fread(&start,4,1,k);
fread(&end,4,1,k);
if ( sig != 0x016f2818 )
{
fprintf(stderr,"Bad magic %08x, not a valid zImage\n",sig);
fclose(k);
return 4;
}
/*
Search for Linux version at end, we need to find "DTOK" followed
by "Linux version". This normally starts 64 bytes after the zImage.
*/
if ( fseek(k,end+0x40,SEEK_SET) == -1 )
{
fprintf(stderr,
"Could not seek in file for version string: %s\n",
strerror(errno));
fclose(k);
return 8;
}
char dtok[4] = "";
fread(dtok,1,4,k);
if ( strncmp(dtok,"DTOK",4) )
{
fprintf(stderr,"Expected \"DTOK\", got \"%.4s\"\n",dtok);
fclose(k);
return 16;
}
char kver[128] = "";
fgets(kver,128,k);
fclose(k);
if ( strncmp(kver,"Linux version ",14) )
{
fprintf(stderr,"Expected \"Linux version \", got \"%.14s\"\n",
kver);
return 32;
}
/* get the actual version string and print it */
char kernver[128] = "";
sscanf(kver,"Linux version %s",kernver);
printf("%s\n",kernver);
return 0;
}