diff options
Diffstat (limited to 'clld.c')
| -rw-r--r-- | clld.c | 314 |
1 files changed, 15 insertions, 299 deletions
@@ -7,91 +7,11 @@ * Created: September 27, 2019 @ 09:25PM */ -#include <ctype.h> +#include "clld.h" #include <stdint.h> +#ifdef DEBUG #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}; - -/* Collision type */ -int colltype = -1; - -/* Position type */ -int postype = -1; - -/* Level of verbosity. */ -int verbose = 0; - -/* Options string. */ -const char *opts = "c:v:h"; - -struct pos { - int x; - int y; - int z; - double fx; - double fy; - double fz; -}; - -struct colis { - /* Cursor/Floor's width, and height */ - int w; - int h; - - /* Cursor's X, and Y velocity. */ - double xvel; - double yvel; - - /* Cursor/Floor's coordinates. */ - struct pos pos; - - /* The four corners of either the Cursor, or the Floor. */ - int a1; - int a2; - int b1; - int b2; - - /* The four floating point corners of either the Cursor, or the Floor. */ - double c1; - double c2; - double d1; - double d2; - - /* Heightmap, used in Tile Heightmap collision. */ - uint8_t *heightmap; - - /* X axis collision. */ - unsigned int clx : 1; - - /* Y axis collision. */ - unsigned int cly : 1; - - /* Cursor is on the ground. */ - unsigned int gnded : 1; - - /* Vertical flip flag. */ - 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; -} +#endif /* Get the direction of a collision. */ uint8_t isleft = 0; @@ -223,12 +143,11 @@ uint8_t get_coldir(uint8_t flt, uint8_t col_type, int hmpeak, struct colis *curs } /* Tile Heightmap Collision. */ -int thm(int hmpeak, struct colis *cursor, struct colis *floor) { +void thm(int hmpeak, struct colis *cursor, struct colis *floor) { int newy = 0; cursor->clx = (cursor->a2 > floor->a1-cursor->xvel-1 && cursor->b2 > floor->b1) && (cursor->a1 < (floor->a2-cursor->w)-cursor->xvel+1 && cursor->b1 < floor->b2); cursor->cly = (cursor->b2 >= floor->b1-cursor->yvel && cursor->a2 >= floor->a1) && (cursor->b1 <= floor->b2-cursor->yvel && cursor->a1 <= floor->a2); uint8_t coldir = get_coldir(0, THM, hmpeak, cursor, floor); - if (cursor->clx && (cursor->a2-floor->a1 < 0 || cursor->a2-floor->a1 > floor->w)) { switch (coldir & 3) { case 1: cursor->pos.x = (floor->pos.x-cursor->xvel)-cursor->w-1; break; @@ -259,13 +178,14 @@ int thm(int hmpeak, struct colis *cursor, struct colis *floor) { floor->yvel = 0; } cursor->gnded = (cursor->pos.y == ((floor->b2-cursor->h)-newy)-cursor->yvel); + #ifdef DEBUG 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); printf("%u, %u\n%u\n%i\n%i, %i\n%07.06f, %07.06f\n", floor->clx, floor->cly, floor->gnded, newy, floor->pos.x, floor->pos.y, floor->xvel, floor->yvel); - return 0; + #endif } /* Floating point Tile Heightmap Collision. */ -int fthm(int hmpeak, struct colis *cursor, struct colis *floor) { +void fthm(int hmpeak, struct colis *cursor, struct colis *floor) { int newy = 0; 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); @@ -301,14 +221,14 @@ int fthm(int hmpeak, struct colis *cursor, struct colis *floor) { floor->yvel = 0; } cursor->gnded = (cursor->pos.fy == ((floor->d2-cursor->h)-newy)-cursor->yvel); + #ifdef DEBUG 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); printf("%u, %u\n%u\n%i\n%07.06f, %07.06f\n%07.06f, %07.06f\n", floor->clx, floor->cly, floor->gnded, newy, floor->pos.fx, floor->pos.fy, floor->xvel, floor->yvel); - return 0; + #endif } - /* Axis Aligned Bounding Box Collision. */ -int aabb(struct colis *cursor, struct colis *floor) { +void aabb(struct colis *cursor, struct colis *floor) { uint8_t coldir = get_coldir(0, AABB, -1, cursor, floor); uint8_t left = (cursor->xvel > 0) && (!floor->xvel || floor->xvel != 0); uint8_t right = (cursor->xvel < 0) && (!floor->xvel || floor->xvel != 0); @@ -355,13 +275,14 @@ int aabb(struct colis *cursor, struct colis *floor) { cursor->yvel = 0; floor->yvel = 0; } + #ifdef DEBUG 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); printf("%u, %u\n%u\n%i, %i\n%07.06f, %07.06f\n", floor->clx, floor->cly, floor->gnded, floor->pos.x, floor->pos.y, floor->xvel, floor->yvel); - return 0; + #endif } /* Floating point Axis Aligned Bounding Box Collision. */ -int faabb(struct colis *cursor, struct colis *floor) { +void faabb(struct colis *cursor, struct colis *floor) { uint8_t coldir = get_coldir(1, AABB, -1, cursor, floor); uint8_t left = (cursor->xvel > 0) && (!floor->xvel || floor->xvel != 0); uint8_t right = (cursor->xvel < 0) && (!floor->xvel || floor->xvel != 0); @@ -408,213 +329,8 @@ int faabb(struct colis *cursor, struct colis *floor) { cursor->yvel = 0; floor->yvel = 0; } + #ifdef DEBUG 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); printf("%u, %u\n%u\n%07.06f, %07.06f\n%07.06f, %07.06f\n", floor->clx, floor->cly, floor->gnded, floor->pos.fx, floor->pos.fy, floor->xvel, floor->yvel); - return 0; -} - -int main(int argc, char **argv) { - int c; - FILE *fp = NULL; - uint8_t isfile = 0; - /* Enable custom error messages, and optional arguments/ */ - opterr = 0; - /* Get options. */ - while (optind < argc) { - if ((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: ; - } - } else { - if (!isfile) { - fp = fopen(argv[optind], "r"); - if (fp == NULL) { - fprintf(stderr, "Failed to open file %s\n", optarg); - return -1; - } - } - isfile = (fp != NULL); - optind++; - } - } - - /* Create the Cursor, and the Floor */ - struct colis cursor; - struct colis floor; - - /* - * Create a temporary Cursor/Floor, because it simplifies - * the process of getting collision data, to one for loop. - */ - struct colis tmp; - int hmpeak = 0; - /* Get collision type. */ - char *buf = NULL; - size_t size; - getline(&buf, &size, (isfile) ? fp : stdin); - - if (colltype == -1) - colltype = atoi(strtok(buf, "\n")); - - for (int coll = 0; coll <= 1; coll++) { - buf = NULL; - getline(&buf, &size, (isfile) ? fp : stdin); - /* - * Format is: - * - * <w>, <h> - */ - tmp.w = atoi(strtok(buf, ",")); - tmp.h = atoi(strtok(NULL, "\n")); - /* - * Initialize heightmap. - */ - if (colltype == THM && coll) - tmp.heightmap = malloc(sizeof(uint8_t *)*tmp.w); - /* Get Tile Heightmap data. */ - if (colltype == THM && coll) { - /* Get vertical flip flag */ - buf = NULL; - getline(&buf, &size, (isfile) ? fp : stdin); - floor.flp = buf[0] - '0'; - /* Get Heightmap */ - buf = NULL; - size_t newidth = getline(&buf, &size, (isfile) ? fp : stdin); - - /* - * Format is: - * - * 0, 1, 2, 3, ... Until element w-1. - */ - 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; - } - - } - - /* - * Copy width, and height to either - * the Cursor, or the Floor. - */ - (coll) ? (floor.w = tmp.w) : (cursor.w = tmp.w); - (coll) ? (floor.h = tmp.h) : (cursor.h = tmp.h); - if (coll) - floor.heightmap = tmp.heightmap; - /* Debugging stuff. */ - 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, (isfile) ? fp : stdin); - for (int j = 0; buf[j] != '\0'; j++) - if (buf[j] == ',') - delms++; - postype = (delms == 2) ? 1 : 0; - /* Check for floating point coordinates. */ - 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,",")); - /* Are we using 3D coordinates, or 2D coordinats? */ - 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); - } - } - /* Get X, and Y velocity. */ - buf = NULL; - getline(&buf, &size, (isfile) ? fp : stdin); - if (!coll) { - cursor.xvel = atof(strtok(buf, ",")); - cursor.yvel = atof(strtok(NULL, "\n")); - } else { - floor.xvel = atof(strtok(buf, ",")); - floor.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 (coll) { - switch (colltype) { - case THM : (!flt) ? thm(hmpeak, &cursor, &floor) : fthm(hmpeak, &cursor, &floor); break; - case AABB: (!flt) ? aabb(&cursor, &floor ) : faabb(&cursor, &floor ); break; - } - } - } - uint8_t a = 0; - unsigned int i = 0; - free(buf); - if(colltype == THM) { - free(floor.heightmap); - } - fflush(stdout); - return 0; + #endif } |