void fdrawbezier(float vec[4][3])
{
float dist;
float curve_res = 24, spline_step = 0.0f;
dist = 0.5f * ABS(vec[0][0] - vec[3][0]);
/* check direction later, for top sockets */
vec[1][0] = vec[0][0] + dist;
vec[1][1] = vec[0][1];
vec[2][0] = vec[3][0] - dist;
vec[2][1] = vec[3][1];
/* we can reuse the dist variable here to increment the GL curve eval amount*/
dist = 1.0f / curve_res;
cpack(0x0);
glMap1f(GL_MAP1_VERTEX_3, 0.0, 1.0, 3, 4, vec[0]);
glBegin(GL_LINE_STRIP);
while (spline_step < 1.000001f) {
#if 0
if (do_shaded)
UI_ThemeColorBlend(th_col1, th_col2, spline_step);
#endif
glEvalCoord1f(spline_step);
spline_step += dist;
}
glEnd();
}
/* Sets the current drawing color based on the format character specified */
static void format_draw_color(char formatchar)
{
switch (formatchar) {
case '_': /* Whitespace */
break;
case '!': /* Symbols */
UI_ThemeColorBlend(TH_TEXT, TH_BACK, 0.5f);
break;
case '#': /* Comments */
UI_ThemeColor(TH_SYNTAX_C);
break;
case 'n': /* Numerals */
UI_ThemeColor(TH_SYNTAX_N);
break;
case 'l': /* Strings */
UI_ThemeColor(TH_SYNTAX_L);
break;
case 'v': /* Specials: class, def */
UI_ThemeColor(TH_SYNTAX_V);
break;
case 'b': /* Keywords: for, print, etc. */
UI_ThemeColor(TH_SYNTAX_B);
break;
case 'q': /* Other text (identifiers) */
default:
UI_ThemeColor(TH_TEXT);
break;
}
}
/* /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// */
static void mat_livedb_draw_tree(bContext *C, uiBlock *block, ARegion *ar, SpaceLDB *slivedb)
{
LiveDbTreeElement *te;
int starty, startx;
int i = 0;
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); /* only once */
/* items themselves */
starty = (int)ar->v2d.tot.ymax - LDB_Y_OFFSET;
startx = 0;
for (te = slivedb->tree.first; te; te = te->next) {
mat_livedb_draw_tree_element(C, block, ar, slivedb, te, startx, &starty, &i);
}
/* gray hierarchy lines */
UI_ThemeColorBlend(TH_BACK, TH_TEXT, 0.4f);
starty = (int)ar->v2d.tot.ymax - UI_UNIT_Y / 2 - LDB_Y_OFFSET;
startx = 14;
mat_livedb_draw_hierarchy(slivedb, &slivedb->tree, startx, &starty);
} /* mat_livedb_draw_tree() */
/* Draw the given motion path for an Object or a Bone
* - assumes that the viewport has already been initialized properly
* i.e. draw_motion_paths_init() has been called
*/
void draw_motion_path_instance(Scene *scene,
Object *ob, bPoseChannel *pchan, bAnimVizSettings *avs, bMotionPath *mpath)
{
//RegionView3D *rv3d = ar->regiondata;
bMotionPathVert *mpv, *mpv_start;
int i, stepsize = avs->path_step;
int sfra, efra, sind, len;
/* get frame ranges */
if (avs->path_type == MOTIONPATH_TYPE_ACFRA) {
/* With "Around Current", we only choose frames from around
* the current frame to draw.
*/
sfra = CFRA - avs->path_bc;
efra = CFRA + avs->path_ac;
}
else {
/* Use the current display range */
sfra = avs->path_sf;
efra = avs->path_ef;
}
/* no matter what, we can only show what is in the cache and no more
* - abort if whole range is past ends of path
* - otherwise clamp endpoints to extents of path
*/
if (sfra < mpath->start_frame) {
/* start clamp */
sfra = mpath->start_frame;
}
if (efra > mpath->end_frame) {
/* end clamp */
efra = mpath->end_frame;
}
if ((sfra > mpath->end_frame) || (efra < mpath->start_frame)) {
/* whole path is out of bounds */
return;
}
len = efra - sfra;
if ((len <= 0) || (mpath->points == NULL)) {
return;
}
/* get pointers to parts of path */
sind = sfra - mpath->start_frame;
mpv_start = (mpath->points + sind);
/* draw curve-line of path */
glShadeModel(GL_SMOOTH);
glBegin(GL_LINE_STRIP);
for (i = 0, mpv = mpv_start; i < len; i++, mpv++) {
short sel = (pchan) ? (pchan->bone->flag & BONE_SELECTED) : (ob->flag & SELECT);
float intensity; /* how faint */
int frame = sfra + i;
int blend_base = (abs(frame - CFRA) == 1) ? TH_CFRAME : TH_BACK; /* "bleed" cframe color to ease color blending */
/* set color
* - more intense for active/selected bones, less intense for unselected bones
* - black for before current frame, green for current frame, blue for after current frame
* - intensity decreases as distance from current frame increases
*/
#define SET_INTENSITY(A, B, C, min, max) (((1.0f - ((C - B) / (C - A))) * (max - min)) + min)
if (frame < CFRA) {
/* black - before cfra */
if (sel) {
/* intensity = 0.5f; */
intensity = SET_INTENSITY(sfra, i, CFRA, 0.25f, 0.75f);
}
else {
/* intensity = 0.8f; */
intensity = SET_INTENSITY(sfra, i, CFRA, 0.68f, 0.92f);
}
UI_ThemeColorBlend(TH_WIRE, blend_base, intensity);
}
else if (frame > CFRA) {
/* blue - after cfra */
if (sel) {
/* intensity = 0.5f; */
intensity = SET_INTENSITY(CFRA, i, efra, 0.25f, 0.75f);
}
else {
/* intensity = 0.8f; */
intensity = SET_INTENSITY(CFRA, i, efra, 0.68f, 0.92f);
}
UI_ThemeColorBlend(TH_BONE_POSE, blend_base, intensity);
}
else {
/* green - on cfra */
if (sel) {
intensity = 0.5f;
}
else {
intensity = 0.99f;
}
UI_ThemeColorBlendShade(TH_CFRAME, TH_BACK, intensity, 10);
}
#undef SET_INTENSITY
/* draw a vertex with this color */
glVertex3fv(mpv->co);
}
glEnd();
glShadeModel(GL_FLAT);
glPointSize(1.0);
/* draw little black point at each frame
* NOTE: this is not really visible/noticeable
*/
glBegin(GL_POINTS);
for (i = 0, mpv = mpv_start; i < len; i++, mpv++)
glVertex3fv(mpv->co);
glEnd();
/* Draw little white dots at each framestep value */
UI_ThemeColor(TH_TEXT_HI);
glBegin(GL_POINTS);
for (i = 0, mpv = mpv_start; i < len; i += stepsize, mpv += stepsize)
glVertex3fv(mpv->co);
glEnd();
/* Draw big green dot where the current frame is
* NOTE: this is only done when keyframes are shown, since this adds similar types of clutter
*/
if ((avs->path_viewflag & MOTIONPATH_VIEW_KFRAS) &&
(sfra < CFRA) && (CFRA <= efra))
{
UI_ThemeColor(TH_CFRAME);
glPointSize(6.0f);
glBegin(GL_POINTS);
mpv = mpv_start + (CFRA - sfra);
glVertex3fv(mpv->co);
glEnd();
UI_ThemeColor(TH_TEXT_HI);
}
/* XXX, this isn't up to date but probably should be kept so. */
invert_m4_m4(ob->imat, ob->obmat);
/* Draw frame numbers at each framestep value */
if (avs->path_viewflag & MOTIONPATH_VIEW_FNUMS) {
unsigned char col[4];
UI_GetThemeColor3ubv(TH_TEXT_HI, col);
col[3] = 255;
for (i = 0, mpv = mpv_start; i < len; i += stepsize, mpv += stepsize) {
int frame = sfra + i;
char numstr[32];
size_t numstr_len;
float co[3];
/* only draw framenum if several consecutive highlighted points don't occur on same point */
if (i == 0) {
numstr_len = sprintf(numstr, " %d", frame);
mul_v3_m4v3(co, ob->imat, mpv->co);
view3d_cached_text_draw_add(co, numstr, numstr_len,
0, V3D_CACHE_TEXT_WORLDSPACE | V3D_CACHE_TEXT_ASCII, col);
}
else if ((i >= stepsize) && (i < len - stepsize)) {
bMotionPathVert *mpvP = (mpv - stepsize);
bMotionPathVert *mpvN = (mpv + stepsize);
if ((equals_v3v3(mpv->co, mpvP->co) == 0) || (equals_v3v3(mpv->co, mpvN->co) == 0)) {
numstr_len = sprintf(numstr, " %d", frame);
mul_v3_m4v3(co, ob->imat, mpv->co);
view3d_cached_text_draw_add(co, numstr, numstr_len,
0, V3D_CACHE_TEXT_WORLDSPACE | V3D_CACHE_TEXT_ASCII, col);
}
}
}
}
/* Keyframes - dots and numbers */
if (avs->path_viewflag & MOTIONPATH_VIEW_KFRAS) {
unsigned char col[4];
AnimData *adt = BKE_animdata_from_id(&ob->id);
DLRBT_Tree keys;
/* build list of all keyframes in active action for object or pchan */
BLI_dlrbTree_init(&keys);
if (adt) {
/* it is assumed that keyframes for bones are all grouped in a single group
* unless an option is set to always use the whole action
*/
if ((pchan) && (avs->path_viewflag & MOTIONPATH_VIEW_KFACT) == 0) {
bActionGroup *agrp = BKE_action_group_find_name(adt->action, pchan->name);
if (agrp) {
agroup_to_keylist(adt, agrp, &keys, NULL);
BLI_dlrbTree_linkedlist_sync(&keys);
}
}
else {
action_to_keylist(adt, adt->action, &keys, NULL);
BLI_dlrbTree_linkedlist_sync(&keys);
}
}
/* Draw slightly-larger yellow dots at each keyframe */
UI_GetThemeColor3ubv(TH_VERTEX_SELECT, col);
col[3] = 255;
glPointSize(4.0f);
glColor3ubv(col);
glBegin(GL_POINTS);
for (i = 0, mpv = mpv_start; i < len; i++, mpv++) {
int frame = sfra + i;
float mframe = (float)(frame);
if (BLI_dlrbTree_search_exact(&keys, compare_ak_cfraPtr, &mframe))
glVertex3fv(mpv->co);
}
glEnd();
/* Draw frame numbers of keyframes */
if (avs->path_viewflag & MOTIONPATH_VIEW_KFNOS) {
float co[3];
for (i = 0, mpv = mpv_start; i < len; i++, mpv++) {
float mframe = (float)(sfra + i);
if (BLI_dlrbTree_search_exact(&keys, compare_ak_cfraPtr, &mframe)) {
char numstr[32];
size_t numstr_len;
numstr_len = sprintf(numstr, " %d", (sfra + i));
mul_v3_m4v3(co, ob->imat, mpv->co);
view3d_cached_text_draw_add(co, numstr, numstr_len,
0, V3D_CACHE_TEXT_WORLDSPACE | V3D_CACHE_TEXT_ASCII, col);
}
}
}
BLI_dlrbTree_free(&keys);
}
}
