Differential D481 Diff 2161 source/blender/bmesh/operators/bmo_primitive.c

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source/blender/bmesh/operators/bmo_primitive.c

Context not available.
	#include "MEM_guardedalloc.h"	#include "MEM_guardedalloc.h"

	#include "BLI_math.h"	#include "BLI_math.h"
		#include "BLI_alloca.h"

		#include "BKE_editmesh.h"

		#include "DNA_meshdata_types.h"

	#include "bmesh.h"	#include "bmesh.h"
	#include "intern/bmesh_operators_private.h"	#include "intern/bmesh_operators_private.h"

		static void bm_mesh_calc_uvs_sphere_face(BMFace *f, float rot[4][4], int cd_loop_uv_offset);

	/* ********************** primitives ***************** */	/* ********************** primitives ***************** */

Context not available.
	const unsigned int ytot = max_ii(2, BMO_slot_int_get(op->slots_in, "y_segments"));	const unsigned int ytot = max_ii(2, BMO_slot_int_get(op->slots_in, "y_segments"));
	const float xtot_inv2 = 2.0f / (xtot - 1);	const float xtot_inv2 = 2.0f / (xtot - 1);
	const float ytot_inv2 = 2.0f / (ytot - 1);	const float ytot_inv2 = 2.0f / (ytot - 1);
		const bool calc_uvs = BMO_slot_bool_get(op->slots_in, "calc_uvs");

	BMVert **varr;	BMVert **varr;
	BMVert *vquad[4];	BMVert *vquad[4];
		BMFace *f;

	float mat[4][4];	float mat[4][4];
	float vec[3], tvec[3];	float vec[3], tvec[3];
Context not available.
	vquad[2] = varr[XY(x, y)];	vquad[2] = varr[XY(x, y)];
	vquad[3] = varr[XY(x - 1, y)];	vquad[3] = varr[XY(x - 1, y)];

	BM_face_create_verts(bm, vquad, 4, NULL, BM_CREATE_NOP, true);	f = BM_face_create_verts(bm, vquad, 4, NULL, BM_CREATE_NOP, true);
		BMO_elem_flag_enable(bm, f, FACE_NEW);
	}	}
	}	}

	#undef XY	#undef XY

		if (calc_uvs)
		BM_mesh_calc_uvs_grid(bm, xtot, ytot);
		}

		campbellbartonUnsubmitted Not Done Inline Actions Whats the purpose of disabling these flags? campbellbarton: Whats the purpose of disabling these flags?
		CommanderCorianderSalamanderUnsubmitted Not Done Inline Actions If they stay enabled, those faces get unwrapped again next time BM_mesh_calc_uvs_grid is called on this mesh (ie. adding a second primitive, with unwrapping, to the same mesh as the first). Those flags were just enabled in this function directly above. CommanderCorianderSalamander: If they stay enabled, those faces get unwrapped again next time BM_mesh_calc_uvs_grid is called…
		campbellbartonUnsubmitted Not Done Inline Actions These flags are reset for each bmesh-operator call, you shouldn't have to initialize them. If you do - then it must be some bug in the operator flag stack. campbellbarton: These flags are reset for each bmesh-operator call, you shouldn't have to initialize them. If…
		void BM_mesh_calc_uvs_grid(BMesh *bm, unsigned int x_segments, unsigned int y_segments)
		{
		BMFace *f;
		campbellbartonUnsubmitted Not Done Inline Actions Better make caller responsible for ensuring BMesh has UV's, This goes for all other similar functions too. campbellbarton: Better make caller responsible for ensuring BMesh has UV's, This goes for all other similar…
		BMLoop *l;
		BMIter iter, liter;
		MLoopUV *luv;
		int cd_loop_uv_offset, loopindex;
		float x, y, dx, dy;

		cd_loop_uv_offset = CustomData_get_offset(&bm->ldata, CD_MLOOPUV);

		BLI_assert(cd_loop_uv_offset != -1);

		dx = 1.0f / (x_segments - 1);
		dy = 1.0f / (y_segments - 1);
		x = 0.0f;
		y = 0.0f;

		BM_ITER_MESH (f, &iter, bm, BM_FACES_OF_MESH) {
		if (!BMO_elem_flag_test(bm, f, FACE_NEW))
		continue;
		BMO_elem_flag_disable(bm, f, FACE_NEW);
		campbellbartonUnsubmitted Not Done Inline Actions Why disable? campbellbarton: Why disable?

		BM_ITER_ELEM_INDEX (l, &liter, f, BM_LOOPS_OF_FACE, loopindex) {
		BMO_elem_flag_disable(bm, l->v, VERT_MARK);

		luv = BM_ELEM_CD_GET_VOID_P(l, cd_loop_uv_offset);
		switch (loopindex) {
		case 0:
		x += dx;
		break;
		case 1:
		y += dy;
		break;
		case 2:
		x -= dx;
		break;
		case 3:
		y -= dy;
		break;
		default:
		break;
		}

		luv->uv[0] = x;
		luv->uv[1] = y;
		}

		x += dx;
		if (x >= 1.0f) {
		x = 0.0f;
		y += dy;
		}
		}
	}	}

	void bmo_create_uvsphere_exec(BMesh bm, BMOperator op)	void bmo_create_uvsphere_exec(BMesh bm, BMOperator op)
Context not available.
	const float dia = BMO_slot_float_get(op->slots_in, "diameter");	const float dia = BMO_slot_float_get(op->slots_in, "diameter");
	const int seg = BMO_slot_int_get(op->slots_in, "u_segments");	const int seg = BMO_slot_int_get(op->slots_in, "u_segments");
	const int tot = BMO_slot_int_get(op->slots_in, "v_segments");	const int tot = BMO_slot_int_get(op->slots_in, "v_segments");
		const bool calc_uvs = BMO_slot_bool_get(op->slots_in, "calc_uvs");

	BMOperator bmop, prevop;	BMOperator bmop, prevop;
	BMVert eve, preveve;	BMVert eve, preveve;
Context not available.
	BMO_op_callf(bm, op->flag, "remove_doubles verts=%fv dist=%f", VERT_MARK, min_ff(len, len2) / 3.0f);	BMO_op_callf(bm, op->flag, "remove_doubles verts=%fv dist=%f", VERT_MARK, min_ff(len, len2) / 3.0f);
	}	}

		if (calc_uvs)
		BM_mesh_calc_uvs_sphere(bm);

	/* and now do imat */	/* and now do imat */
	BM_ITER_MESH (eve, &iter, bm, BM_VERTS_OF_MESH) {	BM_ITER_MESH (eve, &iter, bm, BM_VERTS_OF_MESH) {
	if (BMO_elem_flag_test(bm, eve, VERT_MARK)) {	if (BMO_elem_flag_test(bm, eve, VERT_MARK)) {
Context not available.
	const float dia = BMO_slot_float_get(op->slots_in, "diameter");	const float dia = BMO_slot_float_get(op->slots_in, "diameter");
	const float dia_div = dia / 200.0f;	const float dia_div = dia / 200.0f;
	const int subdiv = BMO_slot_int_get(op->slots_in, "subdivisions");	const int subdiv = BMO_slot_int_get(op->slots_in, "subdivisions");
		const bool calc_uvs = BMO_slot_bool_get(op->slots_in, "calc_uvs");

	BMVert *eva[12];	BMVert *eva[12];
	BMVert *v;	BMVert *v;
Context not available.
	BMO_op_finish(bm, &bmop);	BMO_op_finish(bm, &bmop);
	}	}

		if (calc_uvs)
		BM_mesh_calc_uvs_sphere(bm);

	/* must transform after because of sphere subdivision */	/* must transform after because of sphere subdivision */
	BM_ITER_MESH (v, &viter, bm, BM_VERTS_OF_MESH) {	BM_ITER_MESH (v, &viter, bm, BM_VERTS_OF_MESH) {
	if (BMO_elem_flag_test(bm, v, VERT_MARK)) {	if (BMO_elem_flag_test(bm, v, VERT_MARK)) {
Context not available.
	BMO_slot_buffer_from_enabled_flag(bm, op, op->slots_out, "verts.out", BM_VERT, VERT_MARK);	BMO_slot_buffer_from_enabled_flag(bm, op, op->slots_out, "verts.out", BM_VERT, VERT_MARK);
	}	}

		void bm_mesh_calc_uvs_sphere_face(BMFace *f, float rot[4][4], int cd_loop_uv_offset) {
		float *uvs[4];
		campbellbartonUnsubmitted Not Done Inline Actions `alloca` wont be freed until the function exits. you have to be very careful calling alloca in a loop, and in this case it can easily run out of stack memory and crash. In this case you could move the body of the `for` loop into a static function. campbellbarton: `alloca` wont be freed until the function exits. you have to be very careful calling alloca in…
		mont29AuthorUnsubmitted Not Done Inline Actions shouldn’t this func be static? If static, please also rename it to `bm_mesh_calc_uvs_sphere_face` mont29: shouldn’t this func be static? If static, please also rename it to…
		CommanderCorianderSalamanderUnsubmitted Not Done Inline Actions It's declared static at the top of the file ;) CommanderCorianderSalamander: It's declared static at the top of the file ;)
		BMLoop *l;
		mont29AuthorUnsubmitted Not Done Inline Actions With UVSphere or IcoSphere, len will never be > 4, no need to use alloca in this case imho, just simply use a float ()[4] table (with a BLI_assert on f->len)? Or do you want this func to be usable with any kind of sphere-like geometry? mont29:* With UVSphere or IcoSphere, len will never be > 4, no need to use alloca in this case imho…
		BMIter iter;
		MLoopUV *luv;
		float v[3];
		float dx;
		mont29AuthorUnsubmitted Not Done Inline Actions better to use zero_v3(v) later. But do this vec need to be initialized at all? mont29: better to use zero_v3(v) later. But do this vec need to be initialized at all?
		int mi, i;

		BLI_assert(f->len <= 4);

		BM_ITER_ELEM_INDEX (l, &iter, f, BM_LOOPS_OF_FACE, i) {
		luv = BM_ELEM_CD_GET_VOID_P(l, cd_loop_uv_offset);
		copy_v3_v3(v, l->v->co);
		mul_m4_v3(rot, v);
		map_to_sphere(&luv->uv[0], &luv->uv[1], v[0], v[1], v[2]);
		uvs[i] = luv->uv;
		}

		mi = 0; /* fix awkwardly-wrapping UVs */
		mont29AuthorUnsubmitted Not Done Inline Actions Conventions are to use post-increment in our C code (same for other loops below). mont29: Conventions are to use post-increment in our C code (same for other loops below).
		for (i = 1; i < f->len; i++)
		if (uvs[i][0] > uvs[mi][0])
		mi = i;

		for (i = 0; i < f->len; i++) {
		if (i != mi) {
		dx = uvs[mi][0] - uvs[i][0];
		mont29AuthorUnsubmitted Not Done Inline Actions eeeh, a one-line if() I missed! mont29: eeeh, a one-line if() I missed!
		if (dx > 0.5f)
		uvs[i][0] += 1.0f;
		}
		}
		}

		campbellbartonUnsubmitted Not Done Inline Actions This is around `4440` degrees, This could be `2.1` since the value is in radians. campbellbarton: This is around `4440` degrees, This could be `2.1` since the value is in radians.
		void BM_mesh_calc_uvs_sphere(BMesh *bm)
		{
		BMFace *f;
		BMIter iter;
		int cd_loop_uv_offset;
		float v[3];
		float rot[4][4];
		float axis[3] = {0.806f, 0.329f, 0.491f}; /* magic numbers - seem to be best for both ico and uv sphere projections */
		mont29AuthorUnsubmitted Not Done Inline Actions another one I missed, no spaces between brackets and numbers, and please use full float format (1.0f). mont29: another one I missed, no spaces between brackets and numbers, and please use full float format…
		float angle = 2.1f; /* more magic! */
		float size[3] = { 1.0f, 1.0f, 1.0f };

		cd_loop_uv_offset = CustomData_get_offset(&bm->ldata, CD_MLOOPUV);

		BLI_assert(cd_loop_uv_offset != -1); /* caller is responsible for giving us UVs */
		loc_axisangle_size_to_mat4(rot, v, axis, angle, size);

		BM_ITER_MESH (f, &iter, bm, BM_FACES_OF_MESH) {
		bm_mesh_calc_uvs_sphere_face(f, rot, cd_loop_uv_offset);
		}
		}

		campbellbartonUnsubmitted Not Done Inline Actions This is applying to all faces, which will overwrite existing UV's if you add a new sphere while in edit-mode. campbellbarton: This is applying to all faces, which will overwrite existing UV's if you add a new sphere…
		CommanderCorianderSalamanderUnsubmitted Not Done Inline Actions Yes - this is actually the problem I was trying to solve in the other primitives by enabling/disabling FACE_NEW. Forgot to deal with it here =( CommanderCorianderSalamander: Yes - this is actually the problem I was trying to solve in the other primitives by…
	void bmo_create_monkey_exec(BMesh bm, BMOperator op)	void bmo_create_monkey_exec(BMesh bm, BMOperator op)
	{	{
	BMVert *eve;	BMVert *eve;
Context not available.
	const int segs = BMO_slot_int_get(op->slots_in, "segments");	const int segs = BMO_slot_int_get(op->slots_in, "segments");
	const bool cap_ends = BMO_slot_bool_get(op->slots_in, "cap_ends");	const bool cap_ends = BMO_slot_bool_get(op->slots_in, "cap_ends");
	const bool cap_tris = BMO_slot_bool_get(op->slots_in, "cap_tris");	const bool cap_tris = BMO_slot_bool_get(op->slots_in, "cap_tris");
		const bool calc_uvs = BMO_slot_bool_get(op->slots_in, "calc_uvs");

	BMVert v1, lastv1 = NULL, cent1, firstv1 = NULL;	BMVert v1, lastv1 = NULL, cent1, firstv1 = NULL;
	float vec[3], mat[4][4], phi, phid;	float vec[3], mat[4][4], phi, phid;
Context not available.

	f = BM_face_create_quad_tri(bm, cent1, v1, firstv1, NULL, NULL, false);	f = BM_face_create_quad_tri(bm, cent1, v1, firstv1, NULL, NULL, false);
	BMO_elem_flag_enable(bm, f, FACE_NEW);	BMO_elem_flag_enable(bm, f, FACE_NEW);

		if (calc_uvs)
		kevindietrichUnsubmitted Not Done Inline Actions Code style: use 0.5f, not .5 kevindietrich: Code style: use 0.5f, not .5
		BM_mesh_calc_uvs_circle(bm, mat, dia);
	}	}

	if (!cap_tris) {	if (!cap_tris) {
Context not available.
	BMO_slot_buffer_from_enabled_flag(bm, op, op->slots_out, "verts.out", BM_VERT, VERT_MARK);	BMO_slot_buffer_from_enabled_flag(bm, op, op->slots_out, "verts.out", BM_VERT, VERT_MARK);
	}	}

		void BM_mesh_calc_uvs_circle(BMesh *bm, float mat[4][4], float radius) {
		campbellbartonUnsubmitted Not Done Inline Actions style: http://wiki.blender.org/index.php/Dev:Doc/Code_Style#Braces campbellbarton: style: http://wiki.blender.org/index.php/Dev:Doc/Code_Style#Braces
		BMFace *f;
		BMLoop *l;
		BMIter iter, liter;
		MLoopUV *luv;
		int cd_loop_uv_offset;
		int loopindex;
		float v_transform[3], inv_mat[4][4];

		const float scale = 0.5f / radius;
		const float center = 0.5f;

		cd_loop_uv_offset = CustomData_get_offset(&bm->ldata, CD_MLOOPUV);
		BLI_assert(cd_loop_uv_offset != -1); /* caller must ensure we have UVs already */
		invert_m4_m4(inv_mat, mat);

		BM_ITER_MESH (f, &iter, bm, BM_FACES_OF_MESH) {
		if (!BMO_elem_flag_test(bm, f, FACE_NEW))
		continue;

		BM_ITER_ELEM_INDEX (l, &liter, f, BM_LOOPS_OF_FACE, loopindex) {
		luv = BM_ELEM_CD_GET_VOID_P(l, cd_loop_uv_offset);
		copy_v3_v3(v_transform, l->v->co);
		/* transform back into the unit circle flat on the Z-axis */
		mul_m4_v3(inv_mat, v_transform);
		/* then just take those coords for UVs */
		luv->uv[0] = center + scale * v_transform[0];
		luv->uv[1] = center + scale * v_transform[1];
		}
		}
		}

	void bmo_create_cone_exec(BMesh bm, BMOperator op)	void bmo_create_cone_exec(BMesh bm, BMOperator op)
	{	{
	BMVert v1, v2, lastv1 = NULL, lastv2 = NULL, cent1, cent2, firstv1, firstv2;	BMVert v1, v2, lastv1 = NULL, lastv2 = NULL, cent1, cent2, firstv1, firstv2;
		BMFace *f;
	float vec[3], mat[4][4], phi, phid;	float vec[3], mat[4][4], phi, phid;
	float dia1 = BMO_slot_float_get(op->slots_in, "diameter1");	float dia1 = BMO_slot_float_get(op->slots_in, "diameter1");
	float dia2 = BMO_slot_float_get(op->slots_in, "diameter2");	float dia2 = BMO_slot_float_get(op->slots_in, "diameter2");
Context not available.
	int segs = BMO_slot_int_get(op->slots_in, "segments");	int segs = BMO_slot_int_get(op->slots_in, "segments");
	const bool cap_ends = BMO_slot_bool_get(op->slots_in, "cap_ends");	const bool cap_ends = BMO_slot_bool_get(op->slots_in, "cap_ends");
	const bool cap_tris = BMO_slot_bool_get(op->slots_in, "cap_tris");	const bool cap_tris = BMO_slot_bool_get(op->slots_in, "cap_tris");
		const bool calc_uvs = BMO_slot_bool_get(op->slots_in, "calc_uvs");
	int a;	int a;

	if (!segs)	if (!segs)
Context not available.

	if (a) {	if (a) {
	if (cap_ends) {	if (cap_ends) {
	BMFace *f;

	f = BM_face_create_quad_tri(bm, cent1, lastv1, v1, NULL, NULL, false);	f = BM_face_create_quad_tri(bm, cent1, lastv1, v1, NULL, NULL, false);
	BMO_elem_flag_enable(bm, f, FACE_NEW);	if (calc_uvs)
		BM_face_normal_update(f);
		BMO_elem_flag_enable(bm, f, FACE_NEW \| FACE_MARK);

	f = BM_face_create_quad_tri(bm, cent2, v2, lastv2, NULL, NULL, false);	f = BM_face_create_quad_tri(bm, cent2, v2, lastv2, NULL, NULL, false);
	BMO_elem_flag_enable(bm, f, FACE_NEW);	if (calc_uvs)
		BM_face_normal_update(f);
		BMO_elem_flag_enable(bm, f, FACE_NEW \| FACE_MARK);
		campbellbartonUnsubmitted Not Done Inline Actions With all this effort to calculate the normals, probably better just to call. `BM_face_calc_normal` campbellbarton: With all this effort to calculate the normals, probably better just to call.
	}	}
	BM_face_create_quad_tri(bm, lastv1, lastv2, v2, v1, NULL, false);
		f = BM_face_create_quad_tri(bm, lastv1, lastv2, v2, v1, NULL, false);
		if (calc_uvs)
		BM_face_normal_update(f);
		BMO_elem_flag_enable(bm, f, FACE_MARK);
	}	}
	else {	else {
	firstv1 = v1;	firstv1 = v1;
Context not available.
	if (!a)	if (!a)
	return;	return;

		f = BM_face_create_quad_tri(bm, v1, v2, firstv2, firstv1, NULL, false);
		if (calc_uvs)
		BM_face_normal_update(f);
		BMO_elem_flag_enable(bm, f, FACE_MARK);

	if (cap_ends) {	if (cap_ends) {
	BMFace *f;

	f = BM_face_create_quad_tri(bm, cent1, v1, firstv1, NULL, NULL, false);	f = BM_face_create_quad_tri(bm, cent1, v1, firstv1, NULL, NULL, false);
	BMO_elem_flag_enable(bm, f, FACE_NEW);	if (calc_uvs)
		BM_face_normal_update(f);
		BMO_elem_flag_enable(bm, f, FACE_NEW \| FACE_MARK);

	f = BM_face_create_quad_tri(bm, cent2, firstv2, v2, NULL, NULL, false);	f = BM_face_create_quad_tri(bm, cent2, firstv2, v2, NULL, NULL, false);
	BMO_elem_flag_enable(bm, f, FACE_NEW);	if (calc_uvs)
		BM_face_normal_update(f);
		BMO_elem_flag_enable(bm, f, FACE_NEW \| FACE_MARK);
	}	}

		if (calc_uvs)
		BM_mesh_calc_uvs_cone(bm, mat, dia2, dia1, segs, cap_ends);

	if (!cap_tris) {	if (!cap_tris) {
	BMO_op_callf(bm, op->flag, "dissolve_faces faces=%ff", FACE_NEW);	BMO_op_callf(bm, op->flag, "dissolve_faces faces=%ff", FACE_NEW);
	}	}

	BM_face_create_quad_tri(bm, v1, v2, firstv2, firstv1, NULL, false);

	mont29AuthorUnsubmitted Not Done Inline Actions Why is this removed??? mont29: Why is this removed???
	CommanderCorianderSalamanderUnsubmitted Not Done Inline Actions Just moved up a few lines so all the faces were made before the dissolve_faces call - it made calc_uvs simpler if it could assume it was capped with triangles (I think! it's been a while) CommanderCorianderSalamander: Just moved up a few lines so all the faces were made before the dissolve_faces call - it made…
	BMO_op_callf(bm, op->flag, "remove_doubles verts=%fv dist=%f", VERT_MARK, 0.000001);	BMO_op_callf(bm, op->flag, "remove_doubles verts=%fv dist=%f", VERT_MARK, 0.000001);
	BMO_slot_buffer_from_enabled_flag(bm, op, op->slots_out, "verts.out", BM_VERT, VERT_MARK);	BMO_slot_buffer_from_enabled_flag(bm, op, op->slots_out, "verts.out", BM_VERT, VERT_MARK);
	}	}

		void BM_mesh_calc_uvs_cone(BMesh *bm, float mat[4][4], float radius_top, float radius_bottom, int segments, bool cap_ends)
		{
		BMFace *f;
		BMLoop *l;
		BMIter iter, liter;
		MLoopUV *luv;
		int cd_loop_uv_offset;
		float dx, dy, width;
		float v_transform[3], inv_mat[4][4];
		float local_up[3] = {0.0f, 0.0f, 1.0f};
		int i;

		float radius, scale_top, scale_bottom;
		float height, center, center2;

		if ((!radius_top \|\| !radius_bottom) && !cap_ends) {
		center = 0.5f;
		center2 = 0.5f;
		radius = 0.5f;
		}
		else {
		center = 0.25f;
		mont29AuthorUnsubmitted Not Done Inline Actions This can rather simply be `zero_v3(inv_mat[3])` mont29: This can rather simply be `zero_v3(inv_mat[3])`
		center2 = 0.75f;
		radius = 0.24f;
		}

		scale_top = (radius_top) ? (radius / radius_top) : (radius / radius_bottom); /* if we don't have a top or bottom */
		scale_bottom = (radius_bottom) ? (radius / radius_bottom) : (radius / radius_top); /* then use the other scale */
		height = cap_ends ? 0.5f : 1.0f;

		cd_loop_uv_offset = CustomData_get_offset(&bm->ldata, CD_MLOOPUV);

		copy_m4_m4(inv_mat, mat);

		zero_v3(inv_mat[3]); /* to transform the upvector, we want to ignore translation */

		mul_m4_v3(inv_mat, local_up); /* transform the upvector like we did the cone itself */

		invert_m4_m4(inv_mat, mat); /* and now save the inverse of the whole transform for operation on vertices */

		BLI_assert(cd_loop_uv_offset != -1); /* caller is responsible for ensuring the mesh has UVs */

		dx = 0.0f;
		dy = cap_ends? 0.5f : 0.0f;

		width = 1.0f / segments;

		BM_ITER_MESH (f, &iter, bm, BM_FACES_OF_MESH) {
		if (!BMO_elem_flag_test(bm, f, FACE_MARK))
		continue;
		BMO_elem_flag_disable(bm, f, FACE_MARK);
		campbellbartonUnsubmitted Not Done Inline Actions could just pass this in. campbellbarton: could just pass this in.
		campbellbartonUnsubmitted Not Done Inline Actions Why disable? campbellbarton: Why disable?

		if (f->len == 4 && radius_top && radius_bottom) {
		campbellbartonUnsubmitted Not Done Inline Actions `0.24f` could be made a `const float` and assigned a value. Same for other values re-used many times in this patch. campbellbarton: `0.24f` could be made a `const float` and assigned a value. Same for other values re-used many…
		/* side face - so unwrap it in a rectangle */
		BM_ITER_ELEM_INDEX (l, &liter, f, BM_LOOPS_OF_FACE, i) {
		luv = BM_ELEM_CD_GET_VOID_P(l, cd_loop_uv_offset);
		switch (i) {
		case 0:
		dx += width;
		break;
		case 1:
		dy += height;
		break;
		case 2:
		dx -= width;
		break;
		case 3:
		dy -= height;
		break;
		default:
		break;
		}

		luv->uv[0] = dx;
		luv->uv[1] = dy;
		}

		dx += width;
		}
		else {
		/* top or bottom face - so unwrap it by transforming back to a circle and using the X/Y coords */
		BM_ITER_ELEM (l, &liter, f, BM_LOOPS_OF_FACE) {
		luv = BM_ELEM_CD_GET_VOID_P(l, cd_loop_uv_offset);

		copy_v3_v3(v_transform, l->v->co);
		mul_m4_v3(inv_mat, v_transform);

		if (dot_v3v3(f->no, local_up) > 0) { /* if this is a top face of the cone */
		luv->uv[0] = center + v_transform[0] * scale_top;
		luv->uv[1] = center + v_transform[1] * scale_top;
		}
		else {
		luv->uv[0] = center2 + v_transform[0] * scale_bottom;
		luv->uv[1] = center + v_transform[1] * scale_bottom;
		campbellbartonUnsubmitted Not Done Inline Actions can use the dot product here. campbellbarton: can use the dot product here.
		}
		}
		}
		}
		}

	void bmo_create_cube_exec(BMesh bm, BMOperator op)	void bmo_create_cube_exec(BMesh bm, BMOperator op)
	{	{
	BMVert v1, v2, v3, v4, v5, v6, v7, v8;	BMVert v1, v2, v3, v4, v5, v6, v7, v8;
	float vec[3], mat[4][4], off = BMO_slot_float_get(op->slots_in, "size") / 2.0f;	float vec[3], mat[4][4], off = BMO_slot_float_get(op->slots_in, "size") / 2.0f;
		const bool calc_uvs = BMO_slot_bool_get(op->slots_in, "calc_uvs");

	BMO_slot_mat4_get(op->slots_in, "matrix", mat);	BMO_slot_mat4_get(op->slots_in, "matrix", mat);

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	BM_face_create_quad_tri(bm, v8, v7, v6, v5, NULL, false);	BM_face_create_quad_tri(bm, v8, v7, v6, v5, NULL, false);

	BMO_slot_buffer_from_enabled_flag(bm, op, op->slots_out, "verts.out", BM_VERT, VERT_MARK);	BMO_slot_buffer_from_enabled_flag(bm, op, op->slots_out, "verts.out", BM_VERT, VERT_MARK);
		if (calc_uvs)
		BM_mesh_calc_uvs_cube(bm);
		}

		void BM_mesh_calc_uvs_cube(BMesh *bm)
		{
		int cd_loop_uv_offset, faceindex, loopindex;
		float dx, dy;
		BMFace *f;
		BMLoop *l;
		BMIter iter, liter;
		MLoopUV *luv;
		bool flagged;
		const float width = 0.25f;

		mont29AuthorUnsubmitted Not Done Inline Actions That flag is already disabled here. ;) mont29: That flag is already disabled here. ;)
		cd_loop_uv_offset = CustomData_get_offset(&bm->ldata, CD_MLOOPUV);

		BLI_assert(cd_loop_uv_offset != -1); /* the caller can ensure that we have UVs */
		dx = 0.375f;
		dy = 0.0f;

		BM_ITER_MESH_INDEX (f, &iter, bm, BM_FACES_OF_MESH, faceindex) {
		flagged = true;

		BM_ITER_ELEM_INDEX (l, &liter, f, BM_LOOPS_OF_FACE, loopindex) {
		if (!BMO_elem_flag_test(bm, l->v, VERT_MARK)) {
		flagged = false;
		continue;
		}

		luv = BM_ELEM_CD_GET_VOID_P(l, cd_loop_uv_offset);

		luv->uv[0] = dx;
		luv->uv[1] = dy;

		switch (loopindex) {
		case 0:
		dx += width;
		mont29AuthorUnsubmitted Not Done Inline Actions No need to set dx/dy in the default case imho, this one will never be reached anyway. mont29: No need to set dx/dy in the default case imho, this one will never be reached anyway.
		break;
		case 1:
		dy += width;
		break;
		case 2:
		dx -= width;
		break;
		case 3:
		dy -= width;
		break;
		default:
		break;
		}
		}

		if (flagged) {
		if (dy >= 0.75f && dx > 0.125f) {
		dx = 0.125f;
		dy = 0.5f;
		}
		else if (dx <= 0.125f) {
		dx = 0.625f;
		dy = 0.5f;
		}
		else {
		dy += 0.25f;
		}
		}
		}
	}	}
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