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Twist Brush: Add separate smooth step

This commit is contained in:
Pablo Dobarro 2021-06-20 18:32:19 +02:00
parent 7a67cb2aeb
commit 5c328ab8b0
1 changed files with 97 additions and 20 deletions
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117
source/blender/editors/sculpt_paint/sculpt.c
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@ -1268,6 +1268,7 @@ static bool sculpt_tool_is_proxy_used(const char sculpt_tool)
SCULPT_TOOL_FAIRING,
SCULPT_TOOL_SCENE_PROJECT,
SCULPT_TOOL_POSE,
SCULPT_TOOL_TWIST,
SCULPT_TOOL_DISPLACEMENT_SMEAR,
SCULPT_TOOL_BOUNDARY,
SCULPT_TOOL_CLOTH,
@ -5841,12 +5842,9 @@ static void do_twist_brush_task_cb_ex(void *__restrict userdata,
const float *area_co = data->area_co;
PBVHVertexIter vd;
float(*proxy)[3];
const bool flip = (ss->cache->bstrength < 0.0f);
const float bstrength = flip ? -ss->cache->bstrength : ss->cache->bstrength;
proxy = BKE_pbvh_node_add_proxy(ss->pbvh, data->nodes[n])->co;
SculptBrushTest test;
SculptBrushTestFn sculpt_brush_test_sq_fn = SCULPT_brush_test_init_with_falloff_shape(
ss, &test, data->brush->falloff_shape);
@ -5894,7 +5892,7 @@ static void do_twist_brush_task_cb_ex(void *__restrict userdata,
copy_m4_m4(scaled_mat, mat);
invert_m4(scaled_mat);
mul_v3_fl(scaled_mat[2], 0.3f * fade);
mul_v3_fl(scaled_mat[2], 0.5f * fade);
invert_m4(scaled_mat);
invert_m4_m4(scaled_mat_inv, scaled_mat);
@ -5912,22 +5910,8 @@ static void do_twist_brush_task_cb_ex(void *__restrict userdata,
float disp[3];
sub_v3_v3v3(disp, p_rotated, vd.co);
mul_v3_v3fl(proxy[vd.i], disp, bstrength * fade);
/*
float vertex_in_line[3];
closest_to_line_v3(vertex_in_line, vd.co, stroke_line[0], stroke_line[1]);
float p_to_rotate[3];
sub_v3_v3v3(p_to_rotate, vd.co, vertex_in_line);
float p_rotated[3];
rotate_v3_v3v3fl(p_rotated, p_to_rotate, stroke_direction, ss->cache->bstrength * fade);
add_v3_v3(p_rotated, vertex_in_line);
*/
mul_v3_fl(disp, bstrength * fade);
add_v3_v3(vd.co, disp);
if (vd.mvert) {
vd.mvert->flag |= ME_VERT_PBVH_UPDATE;
@ -5936,6 +5920,95 @@ static void do_twist_brush_task_cb_ex(void *__restrict userdata,
BKE_pbvh_vertex_iter_end;
}
static void do_twist_brush_post_smooth_task_cb_ex(void *__restrict userdata,
const int n,
const TaskParallelTLS *__restrict tls)
{
SculptThreadedTaskData *data = userdata;
SculptSession *ss = data->ob->sculpt;
const Brush *brush = data->brush;
float(*mat)[4] = data->mat;
const float *area_no_sp = data->area_no_sp;
const float *area_co = data->area_co;
PBVHVertexIter vd;
const bool flip = (ss->cache->bstrength < 0.0f);
const float bstrength = flip ? -ss->cache->bstrength : ss->cache->bstrength;
SculptBrushTest test;
SculptBrushTestFn sculpt_brush_test_sq_fn = SCULPT_brush_test_init_with_falloff_shape(
ss, &test, data->brush->falloff_shape);
const int thread_id = BLI_task_parallel_thread_id(tls);
BKE_pbvh_vertex_iter_begin (ss->pbvh, data->nodes[n], vd, PBVH_ITER_UNIQUE) {
if (!sculpt_brush_test_sq_fn(&test, vd.co)) {
continue;
}
float local_vert_co[3];
float scaled_mat[4][4];
copy_m4_m4(scaled_mat, mat);
invert_m4(scaled_mat);
invert_m4(scaled_mat);
mul_v3_m4v3(local_vert_co, scaled_mat, vd.co);
const float brush_fade = SCULPT_brush_strength_factor(ss,
brush,
vd.co,
sqrtf(test.dist),
vd.no,
vd.fno,
vd.mask ? *vd.mask : 0.0f,
vd.index,
thread_id);
float smooth_fade = SCULPT_brush_strength_factor(ss,
brush,
vd.co,
local_vert_co[0],
vd.no,
vd.fno,
vd.mask ? *vd.mask : 0.0f,
vd.index,
thread_id);
if (brush_fade == 0.0f) {
//continue;
}
if (smooth_fade == 0.0f) {
//continue;
}
smooth_fade = 1.0f - min_ff(fabsf(local_vert_co[0]), 1.0f);
smooth_fade = pow3f(smooth_fade);
printf("smooth fade %f\n", smooth_fade);
float rotation_axis[3] = {0.0, 1.0, 0.0};
float origin[3] = {0.0, 0.0, 0.0f};
float vertex_in_line[3];
float scaled_mat_inv[4][4];
float avg[3];
float val[3];
float disp[3];
SCULPT_neighbor_coords_average(ss, avg, vd.index);
sub_v3_v3v3(disp, avg, vd.co);
mul_v3_fl(disp, 1.0f - smooth_fade);
add_v3_v3(vd.co, disp);
if (vd.mvert) {
vd.mvert->flag |= ME_VERT_PBVH_UPDATE;
}
}
BKE_pbvh_vertex_iter_end;
}
static void do_twist_brush(Sculpt *sd, Object *ob, PBVHNode **nodes, int totnode)
{
SculptSession *ss = ob->sculpt;
@ -6018,6 +6091,9 @@ static void do_twist_brush(Sculpt *sd, Object *ob, PBVHNode **nodes, int totnode
TaskParallelSettings settings;
BKE_pbvh_parallel_range_settings(&settings, true, totnode);
BLI_task_parallel_range(0, totnode, &data, do_twist_brush_task_cb_ex, &settings);
for (int i = 0; i < 2; i++) {
BLI_task_parallel_range(0, totnode, &data, do_twist_brush_post_smooth_task_cb_ex, &settings);
}
}
@ -8081,6 +8157,7 @@ static bool sculpt_needs_connectivity_info(const Sculpt *sd,
(brush->sculpt_tool == SCULPT_TOOL_POSE) ||
(brush->sculpt_tool == SCULPT_TOOL_BOUNDARY) ||
(brush->sculpt_tool == SCULPT_TOOL_FAIRING) ||
(brush->sculpt_tool == SCULPT_TOOL_TWIST) ||
(brush->sculpt_tool == SCULPT_TOOL_SLIDE_RELAX) ||
(brush->sculpt_tool == SCULPT_TOOL_CLOTH) || (brush->sculpt_tool == SCULPT_TOOL_SMEAR) ||
(brush->sculpt_tool == SCULPT_TOOL_DRAW_FACE_SETS) ||