#include <ctype.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#define TERASGN(a, b, c, d) (a) ? (b = d) : (c = d)
enum {THM, AABB};
int colltype = -1;
int postype = -1;
int verbose = 0;
const char *opts = "c:v:h";
struct pos {
int x;
int y;
int z;
double fx;
double fy;
double fz;
};
struct colis {
int w;
int h;
double xvel;
double yvel;
struct pos pos;
int a1;
int a2;
int b1;
int b2;
double c1;
double c2;
double d1;
double d2;
uint8_t *heightmap;
unsigned int clx : 1;
unsigned int cly : 1;
unsigned int gnded : 1;
unsigned int flp : 1;
};
static int usage() {
printf(
"clld Version MFIYA.\n"
"Usage: clld [options]\n"
"Options:\n"
" -c[type] Force the collision type to be\n"
" the specified type (THM=0, AABB=1).\n"
" -v[level] Sets the verbosity level (0-3).\n"
" -h What do you fucking think it does.\n"
" Anyways, it brings up this cool help\n"
" message.\n"
);
return 0;
}
int thm(uint8_t flt, int hmpeak, struct colis cursor, struct colis floor) {
int newy = 0;
if (!flt) {
cursor.clx = (cursor.a2 > floor.a1-(int)cursor.xvel-1 && cursor.b2 > floor.b1) && (cursor.a1 < (floor.a2-cursor.w)-(int)cursor.xvel+1 && cursor.b1 < floor.b2);
cursor.cly = (cursor.b2 >= floor.b1-(int)cursor.yvel && cursor.a2 >= floor.a1) && (cursor.b1 <= floor.b2-(int)cursor.yvel && cursor.a1 <= floor.a2);
uint8_t l;
uint8_t r;
uint8_t t;
uint8_t b;
if (!floor.flp) {
l = (cursor.a2 > floor.a1-(int)cursor.xvel-1 && floor.b2-cursor.b2 < (int)floor.heightmap[0] && cursor.xvel > 0);
r = (cursor.a1 < (floor.a2-cursor.w)-(int)cursor.xvel+1 && floor.b2-cursor.b2 < (int)floor.heightmap[floor.w-1] && cursor.xvel < 0);
t = (cursor.b2 > (floor.b2-hmpeak)-(int)cursor.yvel && floor.b2-cursor.b2 >= 0);
b = (cursor.b1 < floor.b2-(int)cursor.yvel+1 && floor.b2-cursor.b1 <= 0);
} else {
l = (cursor.a2 > floor.a1-(int)cursor.xvel-1 && floor.b1-cursor.b1 > -(int)floor.heightmap[0] && cursor.xvel > 0);
r = (cursor.a1 < (floor.a2-cursor.w)-(int)cursor.xvel+1 && floor.b1-cursor.b1 > -(int)floor.heightmap[floor.w-1] && cursor.xvel < 0);
t = (cursor.b2 > floor.b1-(int)cursor.yvel-1 && floor.b1-cursor.b2 >= 0 && cursor.yvel > 0);
b = (cursor.b1 < (floor.b1+hmpeak)-(int)cursor.yvel && cursor.b1-floor.b1 >= 0);
}
if (cursor.clx) {
if (cursor.a2-floor.a1 < 0 || cursor.a2-floor.a1 > floor.w) {
if (l)
cursor.pos.x = (floor.pos.x-(int)cursor.xvel)-cursor.w-1;
else if (r)
cursor.pos.x = (floor.a2-cursor.w)-(int)cursor.xvel+1;
cursor.xvel = 0;
}
}
if (cursor.cly) {
if (cursor.a2-floor.a1 < floor.w) {
newy = (int)floor.heightmap[cursor.a2-floor.a1];
if (t)
(!floor.flp) ? (cursor.pos.y = ((floor.b2-cursor.h)-newy)-(int)cursor.yvel) : (cursor.pos.y = (floor.pos.y-cursor.h)-(int)cursor.yvel);
else if (b)
(!floor.flp) ? (cursor.pos.y = (floor.pos.y+floor.h)-(int)cursor.yvel+1) : (cursor.pos.y = (floor.pos.y+newy)-(int)cursor.yvel);
cursor.yvel = 0;
}
}
cursor.gnded = (cursor.pos.y == ((floor.b2-cursor.h)-newy)-(int)cursor.yvel) ? 1 : 0;
printf("%u, %u\n%u\n%i\n%i, %i\n%07.06f, %07.06f\n", cursor.clx, cursor.cly, cursor.gnded, newy, cursor.pos.x, cursor.pos.y, cursor.xvel, cursor.yvel);
} else {
cursor.clx = (cursor.c2 > floor.c1-cursor.xvel-1 && cursor.d2 > floor.d1) && (cursor.c1 < (floor.c2-cursor.w)-cursor.xvel+1 && cursor.d1 < floor.d2);
cursor.cly = (cursor.d2 >= floor.d1-cursor.yvel && cursor.c2 >= floor.c1) && (cursor.d1 <= floor.d2-cursor.yvel && cursor.c1 <= floor.c2);
uint8_t l;
uint8_t r;
uint8_t t;
uint8_t b;
if (!floor.flp) {
l = (cursor.c2 > floor.c1-cursor.xvel-1 && floor.d2-cursor.d2 < (int)floor.heightmap[0] && cursor.xvel > 0);
r = (cursor.c1 < (floor.c2-cursor.w)-cursor.xvel+1 && floor.d2-cursor.d2 < (int)floor.heightmap[floor.w-1] && cursor.xvel < 0);
t = (cursor.d2 > (floor.d2-hmpeak)-cursor.yvel && floor.d2-cursor.d2 >= 0);
b = (cursor.d1 < floor.d2-cursor.yvel+1 && floor.d2-cursor.d1 <= 0);
} else {
l = (cursor.c2 > floor.c1-cursor.xvel-1 && floor.d1-cursor.d1 > -(int)floor.heightmap[0] && cursor.xvel > 0);
r = (cursor.c1 < (floor.c2-cursor.w)-cursor.xvel+1 && floor.d1-cursor.d1 > -(int)floor.heightmap[floor.w-1] && cursor.xvel < 0);
t = (cursor.d2 > floor.d1-cursor.yvel-1 && floor.d1-cursor.d2 >= 0 && cursor.yvel > 0);
b = (cursor.c1 < (floor.d1+hmpeak)-cursor.yvel && cursor.d1-floor.d1 >= 0);
}
if (cursor.clx) {
if (cursor.c2-floor.c1 < -1 || cursor.c2-floor.c1 > floor.w) {
if (l)
cursor.pos.fx = (floor.pos.fx-cursor.xvel)-cursor.w-1;
else if (r)
cursor.pos.fx = (floor.c2-cursor.w)-cursor.xvel+1;
cursor.xvel = 0;
}
}
if (cursor.cly) {
if (cursor.c2-floor.c1 < floor.w) {
newy = (int)floor.heightmap[(int)cursor.c2-(int)floor.c1];
if (t)
(!floor.flp) ? (cursor.pos.fy = ((floor.d2-cursor.h)-newy)-cursor.yvel) : (cursor.pos.fy = (floor.pos.fy-cursor.h)-cursor.yvel);
else if (b)
(!floor.flp) ? (cursor.pos.fy = (floor.pos.fy+floor.h)-cursor.yvel) : (cursor.pos.fy = (floor.pos.fy+newy)-cursor.yvel);
cursor.yvel = 0;
}
}
cursor.gnded = (cursor.pos.fy == ((floor.d2-cursor.h)-newy)-cursor.yvel) ? 1 : 0;
printf("%u, %u\n%u\n%i\n%07.06f, %07.06f\n%07.06f, %07.06f\n", cursor.clx, cursor.cly, cursor.gnded, newy, cursor.pos.fx, cursor.pos.fy, cursor.xvel, cursor.yvel);
}
return 0;
}
int aabb(uint8_t flt, struct colis cursor, struct colis floor) {
uint8_t l = (!flt) ? (cursor.a2 > floor.a1-(int)cursor.xvel-1 && cursor.b2 > floor.b1) : (cursor.c2 > floor.c1-cursor.xvel-1 && cursor.d2 > floor.d1);
uint8_t r = (!flt) ? (cursor.a1 < floor.a2-(int)cursor.xvel+1 && cursor.b1 < floor.b2) : (cursor.c1 < floor.c2-cursor.xvel+1 && cursor.d1 < floor.d2);
uint8_t t = (!flt) ? (cursor.b2 > floor.b1-(int)cursor.yvel-1 && cursor.a2 > floor.a1) : (cursor.d2 > floor.d1-cursor.yvel-1 && cursor.c2 > floor.c1);
uint8_t b = (!flt) ? (cursor.b1 < floor.b2-(int)cursor.yvel+1 && cursor.a1 < floor.a2) : (cursor.d1 < floor.d2-cursor.yvel+1 && cursor.c1 < floor.c2);
cursor.clx = l && r;
cursor.cly = t && b;
cursor.gnded = (cursor.b2 == floor.b1-(int)cursor.yvel-1) ? 1 : 0;
if (l && cursor.xvel > 0)
(!flt) ? (cursor.pos.x = (floor.pos.x-(int)cursor.xvel)-cursor.w-1) : (cursor.pos.fx = (floor.pos.fx-cursor.xvel)-(double)cursor.w-1);
else if (r && cursor.xvel < 0)
(!flt) ? (cursor.pos.x = (floor.pos.x+floor.w)-(int)cursor.xvel+1) : (cursor.pos.fx = (floor.pos.fx+(double)floor.w)-cursor.xvel+1);
cursor.xvel = 0;
if (t && cursor.yvel > 0)
(!flt) ? (cursor.pos.y = (floor.pos.y-(int)cursor.yvel)-cursor.h-1) : (cursor.pos.fy = (floor.pos.fy-cursor.yvel)-(double)cursor.h-1);
else if (b && cursor.yvel < 0)
(!flt) ? (cursor.pos.y = (floor.pos.y+floor.h)-(int)cursor.yvel+1) : (cursor.pos.fy = (floor.pos.fy+(double)floor.h)-cursor.yvel+1);
cursor.yvel = 0;
if (!flt)
printf("%u, %u\n%u\n%i, %i\n%07.06f, %07.06f\n", cursor.clx, cursor.cly, cursor.gnded, cursor.pos.x, cursor.pos.y, cursor.xvel, cursor.yvel);
else
printf("%u, %u\n%u\n%07.06f, %07.06f\n%07.06f, %07.06f\n", cursor.clx, cursor.cly, cursor.gnded, cursor.pos.fx, cursor.pos.fy, cursor.xvel, cursor.yvel);
return 0;
}
int main(int argc, char **argv) {
int c;
opterr = 0;
while ((c = getopt(argc, argv, opts)) != -1) {
switch(c) {
case 'c':
colltype = atoi(optarg);
break;
case 'v':
verbose = atoi(optarg);
break;
case 'h':
usage();
return 2;
case '?':
if (isprint(optopt)) {
if (optopt == 'c') {
fprintf(stderr, "Setting colltype to default.\n");
colltype = -1;
break;
} else if (optopt == 'v') {
fprintf(stderr, "Enabling single level verbosity.\n");
verbose = 1;
break;
} else {
fprintf(stderr
, "The option that you have typed in, which in this case\n"
"is -%c, does not exist.\n"
"Try looking at the help message, or RTFM, next time.\n"
, optopt);
}
} else {
fprintf(stderr
, "What the fuck are you trying to type in, a binary blob?\n"
"Because of this, clld will exit, so, stop acting like a\n"
"jackass.\n");
}
return -1;
default: ;
}
}
struct colis cursor;
struct colis floor;
struct colis tmp;
int hmpeak;
char *buf = NULL;
size_t size;
getline(&buf, &size, stdin);
if (colltype == -1)
colltype = atoi(strtok(buf, "\n"));
for (int coll = 0; coll <= 1; coll++) {
buf = NULL;
getline(&buf, &size, stdin);
tmp.w = atoi(strtok(buf, ","));
tmp.h = atoi(strtok(NULL, "\n"));
if (colltype == THM && coll)
tmp.heightmap = malloc(sizeof(uint8_t *)*tmp.w);
if (colltype == THM && coll) {
buf = NULL;
getline(&buf, &size, stdin);
floor.flp = buf[0] - '0';
buf = NULL;
size_t newidth = getline(&buf, &size, stdin);
tmp.w = (newidth >= tmp.w) ? tmp.w : newidth;
for (unsigned int i = 0; i <tmp.w; i++) {
char *tmptok = strtok((i == 0) ? buf : NULL,",");
tmptok = (tmptok == NULL) ? strtok(NULL,"\n") : tmptok;
tmp.heightmap[i] = (uint8_t)((atoi(tmptok) <= tmp.h) ? atoi(tmptok) : tmp.h);
hmpeak = (atoi(tmptok)+1 >= hmpeak) ? atoi(tmptok)+1 : hmpeak;
}
}
(coll) ? (floor.w = tmp.w) : (cursor.w = tmp.w);
(coll) ? (floor.h = tmp.h) : (cursor.h = tmp.h);
if (coll)
floor.heightmap = tmp.heightmap;
if (verbose >= 1) {
if (colltype == THM && coll)
for (unsigned int i = 0; i<floor.h; i++)
printf((i < floor.h-1 && i % 16 != 0 || i == 0) ? "%u, " : ("%u\n"), floor.heightmap[i]);
}
uint8_t delms = 0;
char *tmp2;
buf = NULL;
getline(&buf, &size, stdin);
for (int j = 0; buf[j] != '\0'; j++)
if (buf[j] == ',')
delms++;
postype = (delms == 2) ? 1 : 0;
uint8_t flt;
flt = (strchr(buf, '.') != NULL) ? 1 : 0;
if (flt) {
tmp.pos.fx = atof(strtok(buf,","));
if(postype)
tmp.pos.fy = atof(strtok(NULL,","));
tmp2 = strtok(NULL, "\n");
TERASGN(postype, tmp.pos.fz, tmp.pos.fy, atof((tmp2 == NULL ? strtok(NULL,"\0") : tmp2)));
(coll) ? (floor.pos = tmp.pos) : (cursor.pos = tmp.pos);
if (verbose >= 1) {
printf("%07.06f, %07.06f%s", (!coll) ? cursor.pos.fx : floor.pos.fx, (!coll) ? cursor.pos.fy : floor.pos.fy, (postype) ? ", " : "\n");
if(postype)
printf("%07.06f\n", (!coll) ? cursor.pos.fz : floor.pos.fz);
}
} else {
tmp.pos.x = atoi(strtok(buf,","));
if(postype)
tmp.pos.y = atoi(strtok(NULL,","));
tmp2 = strtok(NULL, "\n");
TERASGN(postype, tmp.pos.z, tmp.pos.y, atoi((tmp2 == NULL ? strtok(NULL,"\0") : tmp2)));
(coll) ? (floor.pos = tmp.pos) : (cursor.pos = tmp.pos);
if (verbose >= 1) {
printf("%i, %i%s", (!coll) ? cursor.pos.x : floor.pos.x, (!coll) ? cursor.pos.y : floor.pos.y, (postype) ? ", " : "\n");
if(postype)
printf("%i\n", (!coll) ? cursor.pos.z : floor.pos.z);
}
}
if(!coll) {
buf = NULL;
getline(&buf, &size, stdin);
cursor.xvel = atof(strtok(buf, ","));
cursor.yvel = atof(strtok(NULL, "\n"));
}
(!flt) ? (cursor.a1 = cursor.pos.x) : (cursor.c1 = cursor.pos.fx);
(!flt) ? (cursor.a2 = cursor.pos.x+cursor.w) : (cursor.c2 = cursor.pos.fx+cursor.w);
(!flt) ? (cursor.b1 = cursor.pos.y) : (cursor.d1 = cursor.pos.fy);
(!flt) ? (cursor.b2 = cursor.pos.y+cursor.h) : (cursor.d2 = cursor.pos.fy+cursor.h);
(!flt) ? (floor.a1 = floor.pos.x) : (floor.c1 = floor.pos.fx);
(!flt) ? (floor.a2 = floor.pos.x+floor.w) : (floor.c2 = floor.pos.fx+floor.w);
(!flt) ? (floor.b1 = floor.pos.y) : (floor.d1 = floor.pos.fy);
(!flt) ? (floor.b2 = floor.pos.y+floor.h) : (floor.d2 = floor.pos.fy+floor.h);
if (colltype == THM && coll)
thm(flt, hmpeak, cursor, floor);
if (colltype == AABB && coll)
aabb(flt, cursor, floor);
}
uint8_t a = 0;
unsigned int i = 0;
free(buf);
if(colltype == THM) {
free(floor.heightmap);
}
fflush(stdout);
return 0;
}