Home » Archimedes archive » Acorn User » AU 1997-05 B.adf » Regulars » StarInfo/clouds/Brown/c/inter
StarInfo/clouds/Brown/c/inter
This website contains an archive of files for the Acorn Electron, BBC Micro, Acorn Archimedes, Commodore 16 and Commodore 64 computers, which Dominic Ford has rescued from his private collection of floppy disks and cassettes.
Some of these files were originally commercial releases in the 1980s and 1990s, but they are now widely available online. I assume that copyright over them is no longer being asserted. If you own the copyright and would like files to be removed, please contact me.
Tape/disk: | Home » Archimedes archive » Acorn User » AU 1997-05 B.adf » Regulars |
Filename: | StarInfo/clouds/Brown/c/inter |
Read OK: | ✔ |
File size: | 10B1 bytes |
Load address: | 0000 |
Exec address: | 0000 |
File contents
#include <stdio.h> #include <stdlib.h> #include <math.h> #include "kernel.h" #include "sat.h" #include "mapfn.h" #define GRID_SIZE 256 #define MIN(A,B) ((A)<(B) ? (A) : (B)) #define MAX(A,B) ((A)>(B) ? (A) : (B)) #define RNG(A,B,N) (MAX((A),MIN((B),(N)))) #define readloc(B,X,Y) (int)(B[(((Y)&0xff)*320)+((X)&0xff)]) void writeloc(char* base, int x, int y, int value) { base[(y&0xff)*320+(x&0xff)]=RNG(0,255,value); } int main(void) { int powsize, actsize, halfsize; register int xloop, yloop; char *screenbase; double root2=sqrt(2.0); char pal[3][16]={ 202,202,202,202, 202,202,206,207, 249,250,251,255, 255,254,253,252, 20,21,22,23, 55,87,119,87, 55,23,31,151, 159,191,223,255, 8,9,10,11, 129,130,136,137, 138,139,138,137, 136,130,129,11 }; char cols[16]; int choice=-1, loop; int* map; int b; puts("Cloudmapper, � Julian Brown 1997"); puts(""); puts("Move mouse left and right to rotate view"); puts("Hold down Select to move forwards"); puts("Hold down Adjust to move backwards"); puts("Click Menu a few times to quit"); puts(""); puts("Please select a palette:"); puts(" 1. Natural(ish)tic"); puts(" 2. Alien toxic chemical haze"); puts(" 3. Dark blue (late evening?)"); while (choice<1 || choice>3) scanf("%d", &choice); for (loop=0; loop<16; loop++) cols[loop]=pal[choice-1][loop]; srand(sat_timeop()); sat_screenmode(13); vdustr(5,23,0,10,16,0,0,0,0,0,0,-1); /* turn off cursor */ screenbase=(char*)sat_getscreenbase(); /* fill an array with a sparse random grid */ for (yloop=0; yloop<GRID_SIZE; yloop+=64) for (xloop=0; xloop<GRID_SIZE; xloop+=64) writeloc(screenbase, xloop, yloop, abs(rand()%256)); /* interpolate sparse random grid into big smoothly interpolated grid */ for (powsize=6; powsize>0; powsize--) { actsize=1<<powsize; halfsize=actsize/2; for (yloop=0; yloop<GRID_SIZE; yloop+=actsize) { for (xloop=0; xloop<GRID_SIZE; xloop+=actsize) { writeloc(screenbase, xloop+halfsize, yloop+halfsize, ((readloc(screenbase, xloop, yloop) + readloc(screenbase, xloop+actsize, yloop) + readloc(screenbase, xloop+actsize, yloop+actsize) + readloc(screenbase, xloop, yloop+actsize))/4 + rand()%(int)(((float)actsize*root2)*16)-actsize*8)); } } for (yloop=0; yloop<GRID_SIZE; yloop+=actsize) { for (xloop=0; xloop<GRID_SIZE; xloop+=actsize) { writeloc(screenbase, xloop+halfsize, yloop, (((readloc(screenbase, xloop, yloop) + readloc(screenbase, xloop+actsize, yloop))/2) + rand()%(actsize*16)-actsize*8)); writeloc(screenbase, xloop, yloop+halfsize, (((readloc(screenbase, xloop, yloop) + readloc(screenbase, xloop, yloop+actsize))/2) + rand()%(actsize*16)-actsize*8)); } } } for (xloop=0; xloop<GRID_SIZE; xloop++) { for (yloop=0; yloop<GRID_SIZE; yloop++) { int col=(readloc(screenbase, xloop, yloop)+rand()%16-8)/16; writeloc(screenbase, xloop, yloop, cols[RNG(0,15,col)]); } } map=malloc(81920); copy((int*)screenbase, map); do { static int x2=0,y2=0,x=0,y=0; static int time=0, otime=0; int a, cx, cy, speed; paramblock in; char oswordin[6]={3,128,2,0,2}; otime=time; time=sat_timeop(); speed=(time-otime)*2; sat_mouseop(&x2,&y2,&b); _kernel_osword(21,(int*)oswordin); /* mouse to 640,512 */ x+=x2-640; y+=y2-512; a=-x/4; if (b==4) { cx+=(int)(speed*sin(a/57.2957795)); cy+=(int)(speed*cos(a/57.2957795)); } if (b==1) { cx-=(int)(speed*sin(a/57.2957795)); cy-=(int)(speed*cos(a/57.2957795)); } in.screenbase=(int*)screenbase; in.source=map; in.sin=(int)(sin(a/57.2957795)*2048.0); in.cos=(int)(cos(a/57.2957795)*2048.0); in.diffx=cx; in.diffz=cy; maptoceil(&in); } while (b!=2); return 0; }
00000000 23 69 6e 63 6c 75 64 65 20 3c 73 74 64 69 6f 2e |#include <stdio.| 00000010 68 3e 0a 23 69 6e 63 6c 75 64 65 20 3c 73 74 64 |h>.#include <std| 00000020 6c 69 62 2e 68 3e 0a 23 69 6e 63 6c 75 64 65 20 |lib.h>.#include | 00000030 3c 6d 61 74 68 2e 68 3e 0a 0a 23 69 6e 63 6c 75 |<math.h>..#inclu| 00000040 64 65 20 22 6b 65 72 6e 65 6c 2e 68 22 0a 0a 23 |de "kernel.h"..#| 00000050 69 6e 63 6c 75 64 65 20 22 73 61 74 2e 68 22 0a |include "sat.h".| 00000060 23 69 6e 63 6c 75 64 65 20 22 6d 61 70 66 6e 2e |#include "mapfn.| 00000070 68 22 0a 0a 23 64 65 66 69 6e 65 20 47 52 49 44 |h"..#define GRID| 00000080 5f 53 49 5a 45 20 32 35 36 0a 0a 23 64 65 66 69 |_SIZE 256..#defi| 00000090 6e 65 20 4d 49 4e 28 41 2c 42 29 20 28 28 41 29 |ne MIN(A,B) ((A)| 000000a0 3c 28 42 29 20 3f 20 28 41 29 20 3a 20 28 42 29 |<(B) ? (A) : (B)| 000000b0 29 0a 23 64 65 66 69 6e 65 20 4d 41 58 28 41 2c |).#define MAX(A,| 000000c0 42 29 20 28 28 41 29 3e 28 42 29 20 3f 20 28 41 |B) ((A)>(B) ? (A| 000000d0 29 20 3a 20 28 42 29 29 0a 23 64 65 66 69 6e 65 |) : (B)).#define| 000000e0 20 52 4e 47 28 41 2c 42 2c 4e 29 20 28 4d 41 58 | RNG(A,B,N) (MAX| 000000f0 28 28 41 29 2c 4d 49 4e 28 28 42 29 2c 28 4e 29 |((A),MIN((B),(N)| 00000100 29 29 29 0a 0a 23 64 65 66 69 6e 65 20 72 65 61 |)))..#define rea| 00000110 64 6c 6f 63 28 42 2c 58 2c 59 29 20 28 69 6e 74 |dloc(B,X,Y) (int| 00000120 29 28 42 5b 28 28 28 59 29 26 30 78 66 66 29 2a |)(B[(((Y)&0xff)*| 00000130 33 32 30 29 2b 28 28 58 29 26 30 78 66 66 29 5d |320)+((X)&0xff)]| 00000140 29 0a 0a 76 6f 69 64 20 77 72 69 74 65 6c 6f 63 |)..void writeloc| 00000150 28 63 68 61 72 2a 20 62 61 73 65 2c 20 69 6e 74 |(char* base, int| 00000160 20 78 2c 20 69 6e 74 20 79 2c 20 69 6e 74 20 76 | x, int y, int v| 00000170 61 6c 75 65 29 0a 7b 0a 20 20 62 61 73 65 5b 28 |alue).{. base[(| 00000180 79 26 30 78 66 66 29 2a 33 32 30 2b 28 78 26 30 |y&0xff)*320+(x&0| 00000190 78 66 66 29 5d 3d 52 4e 47 28 30 2c 32 35 35 2c |xff)]=RNG(0,255,| 000001a0 76 61 6c 75 65 29 3b 0a 7d 0a 0a 69 6e 74 20 6d |value);.}..int m| 000001b0 61 69 6e 28 76 6f 69 64 29 0a 7b 0a 20 20 69 6e |ain(void).{. in| 000001c0 74 20 70 6f 77 73 69 7a 65 2c 20 61 63 74 73 69 |t powsize, actsi| 000001d0 7a 65 2c 20 68 61 6c 66 73 69 7a 65 3b 0a 20 20 |ze, halfsize;. | 000001e0 72 65 67 69 73 74 65 72 20 69 6e 74 20 78 6c 6f |register int xlo| 000001f0 6f 70 2c 20 79 6c 6f 6f 70 3b 0a 20 20 63 68 61 |op, yloop;. cha| 00000200 72 20 2a 73 63 72 65 65 6e 62 61 73 65 3b 0a 20 |r *screenbase;. | 00000210 20 64 6f 75 62 6c 65 20 72 6f 6f 74 32 3d 73 71 | double root2=sq| 00000220 72 74 28 32 2e 30 29 3b 0a 20 20 63 68 61 72 20 |rt(2.0);. char | 00000230 70 61 6c 5b 33 5d 5b 31 36 5d 3d 7b 20 20 32 30 |pal[3][16]={ 20| 00000240 32 2c 32 30 32 2c 32 30 32 2c 32 30 32 2c 0a 20 |2,202,202,202,. | 00000250 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | | 00000260 20 20 20 20 32 30 32 2c 32 30 32 2c 32 30 36 2c | 202,202,206,| 00000270 32 30 37 2c 0a 20 20 20 20 20 20 20 20 20 20 20 |207,. | 00000280 20 20 20 20 20 20 20 20 20 20 32 34 39 2c 32 35 | 249,25| 00000290 30 2c 32 35 31 2c 32 35 35 2c 0a 20 20 20 20 20 |0,251,255,. | 000002a0 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | | 000002b0 32 35 35 2c 32 35 34 2c 32 35 33 2c 32 35 32 2c |255,254,253,252,| 000002c0 0a 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 |.. | 000002d0 20 20 20 20 20 20 20 32 30 2c 32 31 2c 32 32 2c | 20,21,22,| 000002e0 32 33 2c 0a 20 20 20 20 20 20 20 20 20 20 20 20 |23,. | 000002f0 20 20 20 20 20 20 20 20 20 35 35 2c 38 37 2c 31 | 55,87,1| 00000300 31 39 2c 38 37 2c 0a 20 20 20 20 20 20 20 20 20 |19,87,. | 00000310 20 20 20 20 20 20 20 20 20 20 20 20 35 35 2c 32 | 55,2| 00000320 33 2c 33 31 2c 31 35 31 2c 0a 20 20 20 20 20 20 |3,31,151,. | 00000330 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 31 | 1| 00000340 35 39 2c 31 39 31 2c 32 32 33 2c 32 35 35 2c 0a |59,191,223,255,.| 00000350 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 |. | 00000360 20 20 20 20 20 20 38 2c 39 2c 31 30 2c 31 31 2c | 8,9,10,11,| 00000370 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 |. | 00000380 20 20 20 20 20 20 31 32 39 2c 31 33 30 2c 31 33 | 129,130,13| 00000390 36 2c 31 33 37 2c 0a 20 20 20 20 20 20 20 20 20 |6,137,. | 000003a0 20 20 20 20 20 20 20 20 20 20 20 20 31 33 38 2c | 138,| 000003b0 31 33 39 2c 31 33 38 2c 31 33 37 2c 0a 20 20 20 |139,138,137,. | 000003c0 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | | 000003d0 20 20 31 33 36 2c 31 33 30 2c 31 32 39 2c 31 31 | 136,130,129,11| 000003e0 20 20 20 20 20 20 20 20 7d 3b 0a 20 20 63 68 61 | };. cha| 000003f0 72 20 63 6f 6c 73 5b 31 36 5d 3b 0a 20 20 69 6e |r cols[16];. in| 00000400 74 20 63 68 6f 69 63 65 3d 2d 31 2c 20 6c 6f 6f |t choice=-1, loo| 00000410 70 3b 0a 20 20 69 6e 74 2a 20 6d 61 70 3b 0a 20 |p;. int* map;. | 00000420 20 69 6e 74 20 62 3b 0a 0a 20 20 70 75 74 73 28 | int b;.. puts(| 00000430 22 43 6c 6f 75 64 6d 61 70 70 65 72 2c 20 a9 20 |"Cloudmapper, . | 00000440 4a 75 6c 69 61 6e 20 42 72 6f 77 6e 20 31 39 39 |Julian Brown 199| 00000450 37 22 29 3b 0a 20 20 70 75 74 73 28 22 22 29 3b |7");. puts("");| 00000460 0a 20 20 70 75 74 73 28 22 4d 6f 76 65 20 6d 6f |. puts("Move mo| 00000470 75 73 65 20 6c 65 66 74 20 61 6e 64 20 72 69 67 |use left and rig| 00000480 68 74 20 74 6f 20 72 6f 74 61 74 65 20 76 69 65 |ht to rotate vie| 00000490 77 22 29 3b 0a 20 20 70 75 74 73 28 22 48 6f 6c |w");. puts("Hol| 000004a0 64 20 64 6f 77 6e 20 53 65 6c 65 63 74 20 74 6f |d down Select to| 000004b0 20 6d 6f 76 65 20 66 6f 72 77 61 72 64 73 22 29 | move forwards")| 000004c0 3b 0a 20 20 70 75 74 73 28 22 48 6f 6c 64 20 64 |;. puts("Hold d| 000004d0 6f 77 6e 20 41 64 6a 75 73 74 20 74 6f 20 6d 6f |own Adjust to mo| 000004e0 76 65 20 62 61 63 6b 77 61 72 64 73 22 29 3b 0a |ve backwards");.| 000004f0 20 20 70 75 74 73 28 22 43 6c 69 63 6b 20 4d 65 | puts("Click Me| 00000500 6e 75 20 61 20 66 65 77 20 74 69 6d 65 73 20 74 |nu a few times t| 00000510 6f 20 71 75 69 74 22 29 3b 0a 20 20 70 75 74 73 |o quit");. puts| 00000520 28 22 22 29 3b 0a 20 20 70 75 74 73 28 22 50 6c |("");. puts("Pl| 00000530 65 61 73 65 20 73 65 6c 65 63 74 20 61 20 70 61 |ease select a pa| 00000540 6c 65 74 74 65 3a 22 29 3b 0a 20 20 70 75 74 73 |lette:");. puts| 00000550 28 22 20 20 31 2e 20 4e 61 74 75 72 61 6c 28 69 |(" 1. Natural(i| 00000560 73 68 29 74 69 63 22 29 3b 0a 20 20 70 75 74 73 |sh)tic");. puts| 00000570 28 22 20 20 32 2e 20 41 6c 69 65 6e 20 74 6f 78 |(" 2. Alien tox| 00000580 69 63 20 63 68 65 6d 69 63 61 6c 20 68 61 7a 65 |ic chemical haze| 00000590 22 29 3b 0a 20 20 70 75 74 73 28 22 20 20 33 2e |");. puts(" 3.| 000005a0 20 44 61 72 6b 20 62 6c 75 65 20 28 6c 61 74 65 | Dark blue (late| 000005b0 20 65 76 65 6e 69 6e 67 3f 29 22 29 3b 0a 0a 20 | evening?)");.. | 000005c0 20 77 68 69 6c 65 20 28 63 68 6f 69 63 65 3c 31 | while (choice<1| 000005d0 20 7c 7c 20 63 68 6f 69 63 65 3e 33 29 20 73 63 | || choice>3) sc| 000005e0 61 6e 66 28 22 25 64 22 2c 20 26 63 68 6f 69 63 |anf("%d", &choic| 000005f0 65 29 3b 0a 0a 20 20 66 6f 72 20 28 6c 6f 6f 70 |e);.. for (loop| 00000600 3d 30 3b 20 6c 6f 6f 70 3c 31 36 3b 20 6c 6f 6f |=0; loop<16; loo| 00000610 70 2b 2b 29 20 63 6f 6c 73 5b 6c 6f 6f 70 5d 3d |p++) cols[loop]=| 00000620 70 61 6c 5b 63 68 6f 69 63 65 2d 31 5d 5b 6c 6f |pal[choice-1][lo| 00000630 6f 70 5d 3b 0a 0a 20 20 73 72 61 6e 64 28 73 61 |op];.. srand(sa| 00000640 74 5f 74 69 6d 65 6f 70 28 29 29 3b 0a 0a 20 20 |t_timeop());.. | 00000650 73 61 74 5f 73 63 72 65 65 6e 6d 6f 64 65 28 31 |sat_screenmode(1| 00000660 33 29 3b 0a 20 20 76 64 75 73 74 72 28 35 2c 32 |3);. vdustr(5,2| 00000670 33 2c 30 2c 31 30 2c 31 36 2c 30 2c 30 2c 30 2c |3,0,10,16,0,0,0,| 00000680 30 2c 30 2c 30 2c 2d 31 29 3b 20 2f 2a 20 74 75 |0,0,0,-1); /* tu| 00000690 72 6e 20 6f 66 66 20 63 75 72 73 6f 72 20 2a 2f |rn off cursor */| 000006a0 0a 0a 20 20 73 63 72 65 65 6e 62 61 73 65 3d 28 |.. screenbase=(| 000006b0 63 68 61 72 2a 29 73 61 74 5f 67 65 74 73 63 72 |char*)sat_getscr| 000006c0 65 65 6e 62 61 73 65 28 29 3b 0a 0a 20 20 2f 2a |eenbase();.. /*| 000006d0 20 66 69 6c 6c 20 61 6e 20 61 72 72 61 79 20 77 | fill an array w| 000006e0 69 74 68 20 61 20 73 70 61 72 73 65 20 72 61 6e |ith a sparse ran| 000006f0 64 6f 6d 20 67 72 69 64 20 2a 2f 0a 20 20 66 6f |dom grid */. fo| 00000700 72 20 28 79 6c 6f 6f 70 3d 30 3b 20 79 6c 6f 6f |r (yloop=0; yloo| 00000710 70 3c 47 52 49 44 5f 53 49 5a 45 3b 20 79 6c 6f |p<GRID_SIZE; ylo| 00000720 6f 70 2b 3d 36 34 29 0a 20 20 20 20 66 6f 72 20 |op+=64). for | 00000730 28 78 6c 6f 6f 70 3d 30 3b 20 78 6c 6f 6f 70 3c |(xloop=0; xloop<| 00000740 47 52 49 44 5f 53 49 5a 45 3b 20 78 6c 6f 6f 70 |GRID_SIZE; xloop| 00000750 2b 3d 36 34 29 0a 20 20 20 20 20 20 77 72 69 74 |+=64). writ| 00000760 65 6c 6f 63 28 73 63 72 65 65 6e 62 61 73 65 2c |eloc(screenbase,| 00000770 20 78 6c 6f 6f 70 2c 20 79 6c 6f 6f 70 2c 20 61 | xloop, yloop, a| 00000780 62 73 28 72 61 6e 64 28 29 25 32 35 36 29 29 3b |bs(rand()%256));| 00000790 0a 0a 20 20 2f 2a 20 69 6e 74 65 72 70 6f 6c 61 |.. /* interpola| 000007a0 74 65 20 73 70 61 72 73 65 20 72 61 6e 64 6f 6d |te sparse random| 000007b0 20 67 72 69 64 20 69 6e 74 6f 20 62 69 67 20 73 | grid into big s| 000007c0 6d 6f 6f 74 68 6c 79 20 69 6e 74 65 72 70 6f 6c |moothly interpol| 000007d0 61 74 65 64 20 67 72 69 64 20 2a 2f 0a 0a 20 20 |ated grid */.. | 000007e0 66 6f 72 20 28 70 6f 77 73 69 7a 65 3d 36 3b 20 |for (powsize=6; | 000007f0 70 6f 77 73 69 7a 65 3e 30 3b 20 70 6f 77 73 69 |powsize>0; powsi| 00000800 7a 65 2d 2d 29 0a 20 20 7b 0a 20 20 20 20 61 63 |ze--). {. ac| 00000810 74 73 69 7a 65 3d 31 3c 3c 70 6f 77 73 69 7a 65 |tsize=1<<powsize| 00000820 3b 0a 20 20 20 20 68 61 6c 66 73 69 7a 65 3d 61 |;. halfsize=a| 00000830 63 74 73 69 7a 65 2f 32 3b 0a 0a 20 20 20 20 66 |ctsize/2;.. f| 00000840 6f 72 20 28 79 6c 6f 6f 70 3d 30 3b 20 79 6c 6f |or (yloop=0; ylo| 00000850 6f 70 3c 47 52 49 44 5f 53 49 5a 45 3b 20 79 6c |op<GRID_SIZE; yl| 00000860 6f 6f 70 2b 3d 61 63 74 73 69 7a 65 29 0a 20 20 |oop+=actsize). | 00000870 20 20 7b 0a 20 20 20 20 20 20 66 6f 72 20 28 78 | {. for (x| 00000880 6c 6f 6f 70 3d 30 3b 20 78 6c 6f 6f 70 3c 47 52 |loop=0; xloop<GR| 00000890 49 44 5f 53 49 5a 45 3b 20 78 6c 6f 6f 70 2b 3d |ID_SIZE; xloop+=| 000008a0 61 63 74 73 69 7a 65 29 0a 20 20 20 20 20 20 7b |actsize). {| 000008b0 0a 20 20 20 20 20 20 20 20 77 72 69 74 65 6c 6f |. writelo| 000008c0 63 28 73 63 72 65 65 6e 62 61 73 65 2c 20 78 6c |c(screenbase, xl| 000008d0 6f 6f 70 2b 68 61 6c 66 73 69 7a 65 2c 20 79 6c |oop+halfsize, yl| 000008e0 6f 6f 70 2b 68 61 6c 66 73 69 7a 65 2c 0a 20 20 |oop+halfsize,. | 000008f0 20 20 20 20 20 20 20 28 28 72 65 61 64 6c 6f 63 | ((readloc| 00000900 28 73 63 72 65 65 6e 62 61 73 65 2c 20 78 6c 6f |(screenbase, xlo| 00000910 6f 70 2c 20 20 20 20 20 20 20 20 20 79 6c 6f 6f |op, yloo| 00000920 70 29 20 20 20 20 20 20 20 20 20 20 20 20 2b 0a |p) +.| 00000930 20 20 20 20 20 20 20 20 20 20 72 65 61 64 6c 6f | readlo| 00000940 63 28 73 63 72 65 65 6e 62 61 73 65 2c 20 78 6c |c(screenbase, xl| 00000950 6f 6f 70 2b 61 63 74 73 69 7a 65 2c 20 79 6c 6f |oop+actsize, ylo| 00000960 6f 70 29 20 20 20 20 20 20 20 20 20 20 20 20 2b |op) +| 00000970 0a 20 20 20 20 20 20 20 20 20 20 72 65 61 64 6c |. readl| 00000980 6f 63 28 73 63 72 65 65 6e 62 61 73 65 2c 20 78 |oc(screenbase, x| 00000990 6c 6f 6f 70 2b 61 63 74 73 69 7a 65 2c 20 79 6c |loop+actsize, yl| 000009a0 6f 6f 70 2b 61 63 74 73 69 7a 65 29 20 20 20 20 |oop+actsize) | 000009b0 2b 0a 20 20 20 20 20 20 20 20 20 20 72 65 61 64 |+. read| 000009c0 6c 6f 63 28 73 63 72 65 65 6e 62 61 73 65 2c 20 |loc(screenbase, | 000009d0 78 6c 6f 6f 70 2c 20 20 20 20 20 20 20 20 20 79 |xloop, y| 000009e0 6c 6f 6f 70 2b 61 63 74 73 69 7a 65 29 29 2f 34 |loop+actsize))/4| 000009f0 20 2b 0a 20 20 20 20 20 20 20 20 20 20 72 61 6e | +. ran| 00000a00 64 28 29 25 28 69 6e 74 29 28 28 28 66 6c 6f 61 |d()%(int)(((floa| 00000a10 74 29 61 63 74 73 69 7a 65 2a 72 6f 6f 74 32 29 |t)actsize*root2)| 00000a20 2a 31 36 29 2d 61 63 74 73 69 7a 65 2a 38 29 29 |*16)-actsize*8))| 00000a30 3b 0a 20 20 20 20 20 20 7d 0a 20 20 20 20 7d 0a |;. }. }.| 00000a40 0a 20 20 20 20 66 6f 72 20 28 79 6c 6f 6f 70 3d |. for (yloop=| 00000a50 30 3b 20 79 6c 6f 6f 70 3c 47 52 49 44 5f 53 49 |0; yloop<GRID_SI| 00000a60 5a 45 3b 20 79 6c 6f 6f 70 2b 3d 61 63 74 73 69 |ZE; yloop+=actsi| 00000a70 7a 65 29 0a 20 20 20 20 7b 0a 20 20 20 20 20 20 |ze). {. | 00000a80 66 6f 72 20 28 78 6c 6f 6f 70 3d 30 3b 20 78 6c |for (xloop=0; xl| 00000a90 6f 6f 70 3c 47 52 49 44 5f 53 49 5a 45 3b 20 78 |oop<GRID_SIZE; x| 00000aa0 6c 6f 6f 70 2b 3d 61 63 74 73 69 7a 65 29 0a 20 |loop+=actsize). | 00000ab0 20 20 20 20 20 7b 0a 20 20 20 20 20 20 20 20 77 | {. w| 00000ac0 72 69 74 65 6c 6f 63 28 73 63 72 65 65 6e 62 61 |riteloc(screenba| 00000ad0 73 65 2c 20 78 6c 6f 6f 70 2b 68 61 6c 66 73 69 |se, xloop+halfsi| 00000ae0 7a 65 2c 20 79 6c 6f 6f 70 2c 0a 20 20 20 20 20 |ze, yloop,. | 00000af0 20 20 20 28 28 28 72 65 61 64 6c 6f 63 28 73 63 | (((readloc(sc| 00000b00 72 65 65 6e 62 61 73 65 2c 20 78 6c 6f 6f 70 2c |reenbase, xloop,| 00000b10 20 79 6c 6f 6f 70 29 20 20 20 20 20 20 20 20 20 | yloop) | 00000b20 20 20 20 20 2b 0a 20 20 20 20 20 20 20 20 20 20 | +. | 00000b30 72 65 61 64 6c 6f 63 28 73 63 72 65 65 6e 62 61 |readloc(screenba| 00000b40 73 65 2c 20 78 6c 6f 6f 70 2b 61 63 74 73 69 7a |se, xloop+actsiz| 00000b50 65 2c 20 79 6c 6f 6f 70 29 29 2f 32 29 20 2b 0a |e, yloop))/2) +.| 00000b60 20 20 20 20 20 20 20 20 20 20 72 61 6e 64 28 29 | rand()| 00000b70 25 28 61 63 74 73 69 7a 65 2a 31 36 29 2d 61 63 |%(actsize*16)-ac| 00000b80 74 73 69 7a 65 2a 38 29 29 3b 0a 20 20 20 20 20 |tsize*8));. | 00000b90 20 20 20 77 72 69 74 65 6c 6f 63 28 73 63 72 65 | writeloc(scre| 00000ba0 65 6e 62 61 73 65 2c 20 78 6c 6f 6f 70 2c 20 79 |enbase, xloop, y| 00000bb0 6c 6f 6f 70 2b 68 61 6c 66 73 69 7a 65 2c 0a 20 |loop+halfsize,. | 00000bc0 20 20 20 20 20 20 20 28 28 28 72 65 61 64 6c 6f | (((readlo| 00000bd0 63 28 73 63 72 65 65 6e 62 61 73 65 2c 20 78 6c |c(screenbase, xl| 00000be0 6f 6f 70 2c 20 79 6c 6f 6f 70 29 20 20 20 20 20 |oop, yloop) | 00000bf0 20 20 20 20 20 20 20 20 2b 0a 20 20 20 20 20 20 | +. | 00000c00 20 20 20 20 72 65 61 64 6c 6f 63 28 73 63 72 65 | readloc(scre| 00000c10 65 6e 62 61 73 65 2c 20 78 6c 6f 6f 70 2c 20 79 |enbase, xloop, y| 00000c20 6c 6f 6f 70 2b 61 63 74 73 69 7a 65 29 29 2f 32 |loop+actsize))/2| 00000c30 29 20 2b 0a 20 20 20 20 20 20 20 20 20 20 72 61 |) +. ra| 00000c40 6e 64 28 29 25 28 61 63 74 73 69 7a 65 2a 31 36 |nd()%(actsize*16| 00000c50 29 2d 61 63 74 73 69 7a 65 2a 38 29 29 3b 0a 20 |)-actsize*8));. | 00000c60 20 20 20 20 20 7d 0a 20 20 20 20 7d 0a 20 20 7d | }. }. }| 00000c70 0a 0a 20 20 66 6f 72 20 28 78 6c 6f 6f 70 3d 30 |.. for (xloop=0| 00000c80 3b 20 78 6c 6f 6f 70 3c 47 52 49 44 5f 53 49 5a |; xloop<GRID_SIZ| 00000c90 45 3b 20 78 6c 6f 6f 70 2b 2b 29 0a 20 20 7b 0a |E; xloop++). {.| 00000ca0 20 20 20 20 66 6f 72 20 28 79 6c 6f 6f 70 3d 30 | for (yloop=0| 00000cb0 3b 20 79 6c 6f 6f 70 3c 47 52 49 44 5f 53 49 5a |; yloop<GRID_SIZ| 00000cc0 45 3b 20 79 6c 6f 6f 70 2b 2b 29 0a 20 20 20 20 |E; yloop++). | 00000cd0 7b 0a 20 20 20 20 20 20 69 6e 74 20 63 6f 6c 3d |{. int col=| 00000ce0 28 72 65 61 64 6c 6f 63 28 73 63 72 65 65 6e 62 |(readloc(screenb| 00000cf0 61 73 65 2c 20 78 6c 6f 6f 70 2c 20 79 6c 6f 6f |ase, xloop, yloo| 00000d00 70 29 2b 72 61 6e 64 28 29 25 31 36 2d 38 29 2f |p)+rand()%16-8)/| 00000d10 31 36 3b 0a 20 20 20 20 20 20 77 72 69 74 65 6c |16;. writel| 00000d20 6f 63 28 73 63 72 65 65 6e 62 61 73 65 2c 20 78 |oc(screenbase, x| 00000d30 6c 6f 6f 70 2c 20 79 6c 6f 6f 70 2c 20 63 6f 6c |loop, yloop, col| 00000d40 73 5b 52 4e 47 28 30 2c 31 35 2c 63 6f 6c 29 5d |s[RNG(0,15,col)]| 00000d50 29 3b 0a 20 20 20 20 7d 0a 20 20 7d 0a 0a 20 20 |);. }. }.. | 00000d60 6d 61 70 3d 6d 61 6c 6c 6f 63 28 38 31 39 32 30 |map=malloc(81920| 00000d70 29 3b 0a 0a 20 20 63 6f 70 79 28 28 69 6e 74 2a |);.. copy((int*| 00000d80 29 73 63 72 65 65 6e 62 61 73 65 2c 20 6d 61 70 |)screenbase, map| 00000d90 29 3b 0a 0a 20 20 64 6f 20 7b 0a 20 20 20 20 73 |);.. do {. s| 00000da0 74 61 74 69 63 20 69 6e 74 20 78 32 3d 30 2c 79 |tatic int x2=0,y| 00000db0 32 3d 30 2c 78 3d 30 2c 79 3d 30 3b 0a 20 20 20 |2=0,x=0,y=0;. | 00000dc0 20 73 74 61 74 69 63 20 69 6e 74 20 74 69 6d 65 | static int time| 00000dd0 3d 30 2c 20 6f 74 69 6d 65 3d 30 3b 0a 20 20 20 |=0, otime=0;. | 00000de0 20 69 6e 74 20 61 2c 20 63 78 2c 20 63 79 2c 20 | int a, cx, cy, | 00000df0 73 70 65 65 64 3b 0a 20 20 20 20 70 61 72 61 6d |speed;. param| 00000e00 62 6c 6f 63 6b 20 69 6e 3b 0a 20 20 20 20 63 68 |block in;. ch| 00000e10 61 72 20 6f 73 77 6f 72 64 69 6e 5b 36 5d 3d 7b |ar oswordin[6]={| 00000e20 33 2c 31 32 38 2c 32 2c 30 2c 32 7d 3b 0a 0a 20 |3,128,2,0,2};.. | 00000e30 20 20 20 6f 74 69 6d 65 3d 74 69 6d 65 3b 0a 20 | otime=time;. | 00000e40 20 20 20 74 69 6d 65 3d 73 61 74 5f 74 69 6d 65 | time=sat_time| 00000e50 6f 70 28 29 3b 0a 20 20 20 20 73 70 65 65 64 3d |op();. speed=| 00000e60 28 74 69 6d 65 2d 6f 74 69 6d 65 29 2a 32 3b 0a |(time-otime)*2;.| 00000e70 0a 20 20 20 20 73 61 74 5f 6d 6f 75 73 65 6f 70 |. sat_mouseop| 00000e80 28 26 78 32 2c 26 79 32 2c 26 62 29 3b 0a 20 20 |(&x2,&y2,&b);. | 00000e90 20 20 5f 6b 65 72 6e 65 6c 5f 6f 73 77 6f 72 64 | _kernel_osword| 00000ea0 28 32 31 2c 28 69 6e 74 2a 29 6f 73 77 6f 72 64 |(21,(int*)osword| 00000eb0 69 6e 29 3b 20 2f 2a 20 6d 6f 75 73 65 20 74 6f |in); /* mouse to| 00000ec0 20 36 34 30 2c 35 31 32 20 2a 2f 0a 20 20 20 20 | 640,512 */. | 00000ed0 78 2b 3d 78 32 2d 36 34 30 3b 0a 20 20 20 20 79 |x+=x2-640;. y| 00000ee0 2b 3d 79 32 2d 35 31 32 3b 0a 0a 20 20 20 20 61 |+=y2-512;.. a| 00000ef0 3d 2d 78 2f 34 3b 0a 20 20 20 20 69 66 20 28 62 |=-x/4;. if (b| 00000f00 3d 3d 34 29 20 7b 0a 20 20 20 20 20 20 63 78 2b |==4) {. cx+| 00000f10 3d 28 69 6e 74 29 28 73 70 65 65 64 2a 73 69 6e |=(int)(speed*sin| 00000f20 28 61 2f 35 37 2e 32 39 35 37 37 39 35 29 29 3b |(a/57.2957795));| 00000f30 0a 20 20 20 20 20 20 63 79 2b 3d 28 69 6e 74 29 |. cy+=(int)| 00000f40 28 73 70 65 65 64 2a 63 6f 73 28 61 2f 35 37 2e |(speed*cos(a/57.| 00000f50 32 39 35 37 37 39 35 29 29 3b 0a 20 20 20 20 7d |2957795));. }| 00000f60 0a 20 20 20 20 69 66 20 28 62 3d 3d 31 29 20 7b |. if (b==1) {| 00000f70 0a 20 20 20 20 20 20 63 78 2d 3d 28 69 6e 74 29 |. cx-=(int)| 00000f80 28 73 70 65 65 64 2a 73 69 6e 28 61 2f 35 37 2e |(speed*sin(a/57.| 00000f90 32 39 35 37 37 39 35 29 29 3b 0a 20 20 20 20 20 |2957795));. | 00000fa0 20 63 79 2d 3d 28 69 6e 74 29 28 73 70 65 65 64 | cy-=(int)(speed| 00000fb0 2a 63 6f 73 28 61 2f 35 37 2e 32 39 35 37 37 39 |*cos(a/57.295779| 00000fc0 35 29 29 3b 0a 20 20 20 20 7d 0a 20 20 20 20 69 |5));. }. i| 00000fd0 6e 2e 73 63 72 65 65 6e 62 61 73 65 3d 28 69 6e |n.screenbase=(in| 00000fe0 74 2a 29 73 63 72 65 65 6e 62 61 73 65 3b 0a 20 |t*)screenbase;. | 00000ff0 20 20 20 69 6e 2e 73 6f 75 72 63 65 3d 6d 61 70 | in.source=map| 00001000 3b 0a 20 20 20 20 69 6e 2e 73 69 6e 3d 28 69 6e |;. in.sin=(in| 00001010 74 29 28 73 69 6e 28 61 2f 35 37 2e 32 39 35 37 |t)(sin(a/57.2957| 00001020 37 39 35 29 2a 32 30 34 38 2e 30 29 3b 0a 20 20 |795)*2048.0);. | 00001030 20 20 69 6e 2e 63 6f 73 3d 28 69 6e 74 29 28 63 | in.cos=(int)(c| 00001040 6f 73 28 61 2f 35 37 2e 32 39 35 37 37 39 35 29 |os(a/57.2957795)| 00001050 2a 32 30 34 38 2e 30 29 3b 0a 20 20 20 20 69 6e |*2048.0);. in| 00001060 2e 64 69 66 66 78 3d 63 78 3b 0a 20 20 20 20 69 |.diffx=cx;. i| 00001070 6e 2e 64 69 66 66 7a 3d 63 79 3b 0a 20 20 20 20 |n.diffz=cy;. | 00001080 6d 61 70 74 6f 63 65 69 6c 28 26 69 6e 29 3b 0a |maptoceil(&in);.| 00001090 20 20 7d 20 77 68 69 6c 65 20 28 62 21 3d 32 29 | } while (b!=2)| 000010a0 3b 0a 0a 20 20 72 65 74 75 72 6e 20 30 3b 0a 7d |;.. return 0;.}| 000010b0 0a |.| 000010b1