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Transform: Draw edge considered in the slide value 

Useful for identifying how the value is used and which edge
is considered in the snap.
This commit is contained in:
Germano Cavalcante 2020-06-29 12:18:59 -03:00
parent 7f1fd1818a
commit 9c29803255
Notes: blender-bot 2023-05-29 09:17:12 +02:00 
Referenced by commit 323c5e1e0b, Fix T78494: Edge slide crashes
Referenced by issue #78489, Crash on Offset Edge Slide
1 changed files with 119 additions and 109 deletions
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228
source/blender/editors/transform/transform_mode_edge_slide.c
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@ -1133,129 +1133,139 @@ static eRedrawFlag handleEventEdgeSlide(struct TransInfo *t, const struct wmEven
void drawEdgeSlide(TransInfo *t)
{
if ((t->mode == TFM_EDGE_SLIDE) && edgeSlideFirstGet(t)) {
const EdgeSlideParams *slp = t->custom.mode.data;
EdgeSlideData *sld = edgeSlideFirstGet(t);
const bool is_clamp = !(t->flag & T_ALT_TRANSFORM);
if (t->mode != TFM_EDGE_SLIDE) {
return;
}
EdgeSlideData *sld = edgeSlideFirstGet(t);
if (sld == NULL) {
return;
}
const EdgeSlideParams *slp = t->custom.mode.data;
const bool is_clamp = !(t->flag & T_ALT_TRANSFORM);
const float line_size = UI_GetThemeValuef(TH_OUTLINE_WIDTH) + 0.5f;
GPU_depth_test(false);
GPU_blend(true);
GPU_blend_set_func_separate(
GPU_SRC_ALPHA, GPU_ONE_MINUS_SRC_ALPHA, GPU_ONE, GPU_ONE_MINUS_SRC_ALPHA);
GPU_matrix_push();
GPU_matrix_mul(TRANS_DATA_CONTAINER_FIRST_OK(t)->obedit->obmat);
uint pos = GPU_vertformat_attr_add(immVertexFormat(), "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_3D_UNIFORM_COLOR);
if (slp->use_even == true) {
/* Even mode */
if ((slp->use_even == true) || (is_clamp == false)) {
const float line_size = UI_GetThemeValuef(TH_OUTLINE_WIDTH) + 0.5f;
float co_a[3], co_b[3], co_mark[3];
TransDataEdgeSlideVert *curr_sv = &sld->sv[sld->curr_sv_index];
const float fac = (slp->perc + 1.0f) / 2.0f;
const float ctrl_size = UI_GetThemeValuef(TH_FACEDOT_SIZE) + 1.5f;
const float guide_size = ctrl_size - 0.5f;
const int alpha_shade = -30;
GPU_depth_test(false);
add_v3_v3v3(co_a, curr_sv->v_co_orig, curr_sv->dir_side[0]);
add_v3_v3v3(co_b, curr_sv->v_co_orig, curr_sv->dir_side[1]);
GPU_blend(true);
GPU_blend_set_func_separate(
GPU_SRC_ALPHA, GPU_ONE_MINUS_SRC_ALPHA, GPU_ONE, GPU_ONE_MINUS_SRC_ALPHA);
GPU_line_width(line_size);
immUniformThemeColorShadeAlpha(TH_EDGE_SELECT, 80, alpha_shade);
immBeginAtMost(GPU_PRIM_LINES, 4);
if (curr_sv->v_side[0]) {
immVertex3fv(pos, curr_sv->v_side[0]->co);
immVertex3fv(pos, curr_sv->v_co_orig);
}
if (curr_sv->v_side[1]) {
immVertex3fv(pos, curr_sv->v_side[1]->co);
immVertex3fv(pos, curr_sv->v_co_orig);
}
immEnd();
GPU_matrix_push();
GPU_matrix_mul(TRANS_DATA_CONTAINER_FIRST_OK(t)->obedit->obmat);
uint pos = GPU_vertformat_attr_add(
immVertexFormat(), "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_3D_UNIFORM_COLOR);
if (slp->use_even == true) {
float co_a[3], co_b[3], co_mark[3];
TransDataEdgeSlideVert *curr_sv = &sld->sv[sld->curr_sv_index];
const float fac = (slp->perc + 1.0f) / 2.0f;
const float ctrl_size = UI_GetThemeValuef(TH_FACEDOT_SIZE) + 1.5f;
const float guide_size = ctrl_size - 0.5f;
const int alpha_shade = -30;
add_v3_v3v3(co_a, curr_sv->v_co_orig, curr_sv->dir_side[0]);
add_v3_v3v3(co_b, curr_sv->v_co_orig, curr_sv->dir_side[1]);
GPU_line_width(line_size);
immUniformThemeColorShadeAlpha(TH_EDGE_SELECT, 80, alpha_shade);
immBeginAtMost(GPU_PRIM_LINES, 4);
if (curr_sv->v_side[0]) {
immVertex3fv(pos, curr_sv->v_side[0]->co);
immVertex3fv(pos, curr_sv->v_co_orig);
}
{
float *co_test = NULL;
if (slp->flipped) {
if (curr_sv->v_side[1]) {
immVertex3fv(pos, curr_sv->v_side[1]->co);
immVertex3fv(pos, curr_sv->v_co_orig);
co_test = curr_sv->v_side[1]->co;
}
immEnd();
{
float *co_test = NULL;
if (slp->flipped) {
if (curr_sv->v_side[1]) {
co_test = curr_sv->v_side[1]->co;
}
}
else {
if (curr_sv->v_side[0]) {
co_test = curr_sv->v_side[0]->co;
}
}
if (co_test != NULL) {
immUniformThemeColorShadeAlpha(TH_SELECT, -30, alpha_shade);
GPU_point_size(ctrl_size);
immBegin(GPU_PRIM_POINTS, 1);
immVertex3fv(pos, co_test);
immEnd();
}
}
immUniformThemeColorShadeAlpha(TH_SELECT, 255, alpha_shade);
GPU_point_size(guide_size);
immBegin(GPU_PRIM_POINTS, 1);
interp_line_v3_v3v3v3(co_mark, co_b, curr_sv->v_co_orig, co_a, fac);
immVertex3fv(pos, co_mark);
immEnd();
}
else {
if (is_clamp == false) {
const int side_index = sld->curr_side_unclamp;
TransDataEdgeSlideVert *sv;
int i;
const int alpha_shade = -160;
GPU_line_width(line_size);
immUniformThemeColorShadeAlpha(TH_EDGE_SELECT, 80, alpha_shade);
immBegin(GPU_PRIM_LINES, sld->totsv * 2);
/* TODO(campbell): Loop over all verts */
sv = sld->sv;
for (i = 0; i < sld->totsv; i++, sv++) {
float a[3], b[3];
if (!is_zero_v3(sv->dir_side[side_index])) {
copy_v3_v3(a, sv->dir_side[side_index]);
}
else {
copy_v3_v3(a, sv->dir_side[!side_index]);
}
mul_v3_fl(a, 100.0f);
negate_v3_v3(b, a);
add_v3_v3(a, sv->v_co_orig);
add_v3_v3(b, sv->v_co_orig);
immVertex3fv(pos, a);
immVertex3fv(pos, b);
}
immEnd();
}
else {
BLI_assert(0);
if (curr_sv->v_side[0]) {
co_test = curr_sv->v_side[0]->co;
}
}
immUnbindProgram();
GPU_matrix_pop();
GPU_blend(false);
GPU_depth_test(true);
if (co_test != NULL) {
immUniformThemeColorShadeAlpha(TH_SELECT, -30, alpha_shade);
GPU_point_size(ctrl_size);
immBegin(GPU_PRIM_POINTS, 1);
immVertex3fv(pos, co_test);
immEnd();
}
}
immUniformThemeColorShadeAlpha(TH_SELECT, 255, alpha_shade);
GPU_point_size(guide_size);
immBegin(GPU_PRIM_POINTS, 1);
interp_line_v3_v3v3v3(co_mark, co_b, curr_sv->v_co_orig, co_a, fac);
immVertex3fv(pos, co_mark);
immEnd();
}
else if (is_clamp == false) {
const int side_index = sld->curr_side_unclamp;
TransDataEdgeSlideVert *sv;
int i;
const int alpha_shade = -160;
GPU_line_width(line_size);
immUniformThemeColorShadeAlpha(TH_EDGE_SELECT, 80, alpha_shade);
immBegin(GPU_PRIM_LINES, sld->totsv * 2);
/* TODO(campbell): Loop over all verts */
sv = sld->sv;
for (i = 0; i < sld->totsv; i++, sv++) {
float a[3], b[3];
if (!is_zero_v3(sv->dir_side[side_index])) {
copy_v3_v3(a, sv->dir_side[side_index]);
}
else {
copy_v3_v3(a, sv->dir_side[!side_index]);
}
mul_v3_fl(a, 100.0f);
negate_v3_v3(b, a);
add_v3_v3(a, sv->v_co_orig);
add_v3_v3(b, sv->v_co_orig);
immVertex3fv(pos, a);
immVertex3fv(pos, b);
}
immEnd();
}
else {
/* Common case. */
TransDataEdgeSlideVert *curr_sv = &sld->sv[sld->curr_sv_index];
const int alpha_shade = -30;
GPU_line_width(line_size);
immUniformThemeColorShadeAlpha(TH_EDGE_SELECT, 80, alpha_shade);
immBeginAtMost(GPU_PRIM_LINES, 2);
immVertex3fv(pos, curr_sv->v_side[sld->curr_side_unclamp]->co);
immVertex3fv(pos, curr_sv->v_co_orig);
immEnd();
}
immUnbindProgram();
GPU_matrix_pop();
GPU_blend(false);
GPU_depth_test(true);
}
static void edge_slide_snap_apply(TransInfo *t, float *value)