shithub: nanobsp

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implemented the creation of segs from a linedef.

--- a/nano_bsp.c

+++ b/nano_bsp.c

@@ -44,6 +44,13 @@

 // #define DIST_EPSILON  (1.0 / 256.0)

+vertex_t * BSP_NewVertex (void)

+{

+	vertex_t * vert = Z_Malloc(sizeof(vertex_t), PU_LEVEL, NULL);

+	return vert;

+}

+

+

 seg_t * BSP_NewSeg (void)

 {

 	seg_t * seg = Z_Malloc (sizeof(seg_t), PU_LEVEL, NULL);

@@ -58,9 +65,27 @@

 {

 	line_t * ld = &lines[i];

-	// TODO

+	if (ld->sidenum[side] < 0)

+		return;

-	// if (side == 1 && ld->

+	// create the seg

+	seg_t * seg = BSP_NewSeg ();

+

+	seg->v1 = side ? ld->v2 : ld->v1;

+	seg->v2 = side ? ld->v1 : ld->v2;

+

+	seg->offset = 0;

+	seg->angle  = R_PointToAngle2 (seg->v1->x, seg->v1->y, seg->v2->x, seg->v2->y);

+

+	seg->sidedef = &sides[ld->sidenum[side]];

+	seg->linedef = ld;

+

+	seg->frontsector = side ? ld->backsector  : ld->frontsector;

+	seg->backsector  = side ? ld->frontsector : ld->backsector;

+

+	// link into the list

+	seg->next   = (*list_var);

+	(*list_var) = seg;

 }

-- 

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