From 073df9fa0ef7544eaf85a6ef410690008126e530 Mon Sep 17 00:00:00 2001
From: mrb0nk500 <b0nk@b0nk.xyz>
Date: Sat, 28 Sep 2019 23:43:25 -0400
Subject: Added bitmask stuff.

---
 clld.c       | 123 +++++++++++++++++++++++++++++++++++++++++------------------
 test-bitmask |  56 +++++++++++++++++++++++++++
 2 files changed, 142 insertions(+), 37 deletions(-)
 create mode 100644 test-bitmask

diff --git a/clld.c b/clld.c
index 70e111d..2ff7975 100644
--- a/clld.c
+++ b/clld.c
@@ -7,10 +7,14 @@
  * Created:	September 27, 2019 @ 09:25PM
  */
 
+#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, PPX };
 
 /* Collision type */
 int colltype = -1;
@@ -29,8 +33,6 @@ static int usage() {
 		"Options:\n"
 		"	-c<type>	Force the collision type to be\n"
 		"			the specified type (0-2).\n"
-		"	-p<type>	Force the position type to be\n"
-		"			the specified type (0-2).\n"
 		"	-v[level]	Sets the verbosity level (0-3).\n"
 	      );
 	return 0;
@@ -45,62 +47,109 @@ int main(int argc, char **argv) {
 		double fy;
 		double fz;
 	};
-	struct pos cursor;
-	struct pos floor;
-	struct pos tmp;
 
+
+	struct colis {
+		unsigned int w;
+		unsigned int h;
+        	struct pos pos;
+		uint8_t **bitmask;
+		unsigned int clds : 1;
+		unsigned int gnded : 1;
+	};
+
+
+
+	struct colis cursor;
+	struct colis floor;
+	struct colis tmp;
 	char *buf = NULL;
 	size_t size;
 
-	getline(&buf, &size, stdin);
-	if (postype == -1)
-		postype = atoi(strtok(buf, "\n"));
+	/*getline(&buf, &size, stdin);*/
+	/*if (postype == -1)
+		postype = atoi(strtok(buf, "\n"));*/
 
-	buf = NULL;
+	/*buf = NULL;*/
 	getline(&buf, &size, stdin);
 
 	if (colltype == -1)
 		colltype = atoi(strtok(buf, "\n"));
 
-	printf("%i\n%i\n", postype, colltype);
-	for (int i = 0; i <= 1; i++) {
+	printf("%i\n", colltype);
+	for (int coll = 0; coll <= 1; coll++) {
+		buf = NULL;
+		getline(&buf, &size, stdin);
+		/* <w>, <h> */
+		tmp.w = atoi(strtok(buf, ","));
+		tmp.h = atoi(strtok(NULL, "\n"));
+		/* Initialize y axis of bitmask. */
+		tmp.bitmask = malloc(sizeof(int *)*tmp.h);
+		/* Initialize x axis of bitmask. */
+		for(int i = 0; i<tmp.h; i++)
+			tmp.bitmask[i] = malloc(sizeof(int)*tmp.w);
+		/* Per Pixel Colision. */
+		if (colltype == PPX) {
+			for (int j = 0; j<tmp.h; j++) {
+				buf = NULL;
+				size_t newidth = getline(&buf, &size, stdin);
+				/*
+				 * Format is:
+				 *
+				 * 000111000... Until bit w-1.
+				 * .
+				 * .
+				 *
+				 * Until bit h-1.
+				 */
+				tmp.w = (newidth >= tmp.w) ? tmp.w : newidth;
+				for (int i = 0; i <tmp.w; i++)
+					tmp.bitmask[j][i] = buf[i] - '0';
+			}
+		}
+		(coll) ? (floor.w = tmp.w) : (cursor.w = tmp.w);
+		(coll) ? (floor.h = tmp.h) : (cursor.h = tmp.h);
+		(coll) ? (floor.bitmask = tmp.bitmask) : (cursor.bitmask = tmp.bitmask);
+
+		for (int j = 0; j<((coll) ? floor.h : cursor.h); j++) {
+			for (int i = 0; i<((coll) ? floor.w : cursor.w); i++)
+				printf("%u", (coll) ? floor.bitmask[j][i] : cursor.bitmask[j][i]);
+			printf("\n");
+		}
+		int 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;
+		/* Check for floating point coordinates. */
 		if (strchr(buf, '.') != NULL) {
-			tmp.fx = atof(strtok(buf,","));
-			tmp.fy = atof(strtok(NULL,","));
+			tmp.pos.fx = atof(strtok(buf,","));
+			if(postype)
+				tmp.pos.fy = atof(strtok(NULL,","));
 			tmp2 = strtok(NULL, "\n");
-                        if (tmp2 == NULL)
-				tmp.fz = atof(strtok(NULL,"\0"));
-			else
-				tmp.fz = atof(tmp2);
-			if (!i) {
-				cursor = tmp;
-				printf ("%07.06f, %07.06f, %07.06f\n", cursor.fx, cursor.fy, cursor.fz);
-			} else {
-				floor = tmp;
-				printf ("%07.06f, %07.06f, %07.06f\n", floor.fx, floor.fy, floor.fz);
-			}
+			TERASGN(postype, tmp.pos.fz, tmp.pos.fy, atof((tmp2 == NULL ? strtok(NULL,"\0") : tmp2)));
+			(coll) ? (floor.pos = tmp.pos) : (cursor.pos = tmp.pos);
+			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.x = atoi(strtok(buf,","));
-			tmp.y = atoi(strtok(NULL,","));
+			tmp.pos.x = atoi(strtok(buf,","));
+			if(postype)
+				tmp.pos.y = atoi(strtok(NULL,","));
 			tmp2 = strtok(NULL, "\n");
-			if (tmp2 == NULL)
-				tmp.z = atoi(strtok(NULL, "\0"));
-			else
-				tmp.z = atoi(tmp2);
-			if (!i) {
-				cursor = tmp;
-				printf ("%i, %i, %i\n", cursor.x, cursor.y, cursor.z);
-			} else {
-				floor = tmp;
-				printf ("%i, %i, %i\n", floor.x, floor.y, floor.z);
-			}
+			TERASGN(postype, tmp.pos.z, tmp.pos.y, atoi((tmp2 == NULL ? strtok(NULL,"\0") : tmp2)));
+			(coll) ? (floor.pos = tmp.pos) : (cursor.pos = tmp.pos);
+			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);
 		}
 	}
 
 	free(buf);
 	fflush(stdout);
+
 	return 0;
 }
diff --git a/test-bitmask b/test-bitmask
new file mode 100644
index 0000000..a9334f6
--- /dev/null
+++ b/test-bitmask
@@ -0,0 +1,56 @@
+2
+19, 35
+0000000000000000000
+0000000000000110000
+0000000000001010000
+0000000000010010000
+0000000000010010000
+0000000000010010000
+0000000001111110000
+0000000010000010000
+0000000100000010000
+0000001000000010000
+0000010000000010000
+0000010000000010000
+0000100000000010000
+0000100000000010000
+0000010000000010000
+0000010000000010000
+0000001000000010000
+0000001111111110000
+0000001000000010000
+0000010000111010000
+0000010000101010000
+0000010000101010000
+0000010000111010000
+0000010000101010000
+0000010001001010000
+0000010001101010000
+0000001000111010000
+0000001000000010000
+0000001000000010000
+0000001111111110000
+0000000010010000000
+0000000011110000000
+0000000110010000000
+0000000100010000000
+0000000111110000000
+1, 2, 3
+16, 16
+0000000000000001
+0000000000000011
+0000000000000101
+0000000000001001
+0000000000010001
+0000000000100001
+0000000001000001
+0000000010000001
+0000000100000001
+0000001000000001
+0000010000000001
+0000100000000001
+0001000000000001
+0010000000000001
+0100000000000001
+1111111111111111
+4, 5, 6
-- 
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