kannonier8/blender
1
0
Fork 0
forked from bartvdbraak/blender
Code Pull Requests Activity
c458e051d3
blender/source/blender/editors/space_nla/nla_draw.c
Campbell Barton ffc8ecc587 use BLI_strncpy_rlen() rather then BLI_snprintf() when no formatting is needed. 
also replace sprintf with strcpy when no formatting is done.
2013-03-14 10:39:18 +00:00

964 lines
30 KiB
C
Raw Blame History

/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2009 Blender Foundation, Joshua Leung
* All rights reserved.
*
*
* Contributor(s): Joshua Leung (major recode)
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/editors/space_nla/nla_draw.c
* \ingroup spnla
*/
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <float.h>
#include "DNA_anim_types.h"
#include "DNA_node_types.h"
#include "DNA_screen_types.h"
#include "DNA_space_types.h"
#include "DNA_windowmanager_types.h"
#include "BLI_blenlib.h"
#include "BLI_math.h"
#include "BLI_rand.h"
#include "BLI_dlrbTree.h"
#include "BLI_utildefines.h"
#include "BKE_fcurve.h"
#include "BKE_nla.h"
#include "BKE_context.h"
#include "BKE_screen.h"
#include "ED_anim_api.h"
#include "ED_keyframes_draw.h"
#include "BIF_gl.h"
#include "BIF_glutil.h"
#include "WM_types.h"
#include "UI_interface.h"
#include "UI_interface_icons.h"
#include "UI_resources.h"
#include "UI_view2d.h"
#include "nla_intern.h" /* own include */
/* *********************************************** */
/* Strips */
/* Action-Line ---------------------- */
/* get colors for drawing Action-Line
* NOTE: color returned includes fine-tuned alpha!
*/
static void nla_action_get_color(AnimData *adt, bAction *act, float color[4])
{
if (adt && (adt->flag & ADT_NLA_EDIT_ON)) {
/* greenish color (same as tweaking strip) */
UI_GetThemeColor4fv(TH_NLA_TWEAK, color);
}
else {
if (act) {
/* reddish color - same as dopesheet summary */
UI_GetThemeColor4fv(TH_ANIM_ACTIVE, color);
}
else {
/* grayish-red color */
UI_GetThemeColor4fv(TH_ANIM_INACTIVE, color);
}
}
/* when an NLA track is tagged "solo", action doesn't contribute, so shouldn't be as prominent */
if (adt && (adt->flag & ADT_NLA_SOLO_TRACK))
color[3] *= 0.15f;
}
/* draw the keyframes in the specified Action */
static void nla_action_draw_keyframes(AnimData *adt, bAction *act, View2D *v2d, float y, float ymin, float ymax)
{
DLRBT_Tree keys;
ActKeyColumn *ak;
float xscale, f1, f2;
float color[4];
/* get a list of the keyframes with NLA-scaling applied */
BLI_dlrbTree_init(&keys);
action_to_keylist(adt, act, &keys, NULL);
BLI_dlrbTree_linkedlist_sync(&keys);
if (ELEM(NULL, act, keys.first))
return;
/* draw a darkened region behind the strips
* - get and reset the background color, this time without the alpha to stand out better
* (amplified alpha is used instead)
*/
nla_action_get_color(adt, act, color);
color[3] *= 2.5f;
glColor4fv(color);
/* - draw a rect from the first to the last frame (no extra overlaps for now)
* that is slightly stumpier than the track background (hardcoded 2-units here)
*/
f1 = ((ActKeyColumn *)keys.first)->cfra;
f2 = ((ActKeyColumn *)keys.last)->cfra;
glRectf(f1, ymin + 2, f2, ymax - 2);
/* get View2D scaling factor */
UI_view2d_getscale(v2d, &xscale, NULL);
/* for now, color is hardcoded to be black */
glColor3f(0.0f, 0.0f, 0.0f);
/* just draw each keyframe as a simple dot (regardless of the selection status)
* - size is 3.0f which is smaller than the editable keyframes, so that there is a distinction
*/
for (ak = keys.first; ak; ak = ak->next)
draw_keyframe_shape(ak->cfra, y, xscale, 3.0f, 0, ak->key_type, KEYFRAME_SHAPE_FRAME, 1.0f);
/* free icons */
BLI_dlrbTree_free(&keys);
}
/* Strips (Proper) ---------------------- */
/* get colors for drawing NLA-Strips */
static void nla_strip_get_color_inside(AnimData *adt, NlaStrip *strip, float color[3])
{
if (strip->type == NLASTRIP_TYPE_TRANSITION) {
/* Transition Clip */
if (strip->flag & NLASTRIP_FLAG_SELECT) {
/* selected - use a bright blue color */
UI_GetThemeColor3fv(TH_NLA_TRANSITION_SEL, color);
}
else {
/* normal, unselected strip - use (hardly noticeable) blue tinge */
UI_GetThemeColor3fv(TH_NLA_TRANSITION, color);
}
}
else if (strip->type == NLASTRIP_TYPE_META) {
/* Meta Clip */
// TODO: should temporary metas get different colors too?
if (strip->flag & NLASTRIP_FLAG_SELECT) {
/* selected - use a bold purple color */
UI_GetThemeColor3fv(TH_NLA_META_SEL, color);
}
else {
/* normal, unselected strip - use (hardly noticeable) dark purple tinge */
UI_GetThemeColor3fv(TH_NLA_META, color);
}
}
else if (strip->type == NLASTRIP_TYPE_SOUND) {
/* Sound Clip */
if (strip->flag & NLASTRIP_FLAG_SELECT) {
/* selected - use a bright teal color */
UI_GetThemeColor3fv(TH_NLA_SOUND_SEL, color);
}
else {
/* normal, unselected strip - use (hardly noticeable) teal tinge */
UI_GetThemeColor3fv(TH_NLA_SOUND, color);
}
}
else {
/* Action Clip (default/normal type of strip) */
if ((strip->flag & NLASTRIP_FLAG_ACTIVE) && (adt && (adt->flag & ADT_NLA_EDIT_ON))) {
/* active strip should be drawn green when it is acting as the tweaking strip.
* however, this case should be skipped for when not in EditMode...
*/
UI_GetThemeColor3fv(TH_NLA_TWEAK, color);
}
else if (strip->flag & NLASTRIP_FLAG_TWEAKUSER) {
/* alert user that this strip is also used by the tweaking track (this is set when going into
* 'editmode' for that strip), since the edits made here may not be what the user anticipated
*/
UI_GetThemeColor3fv(TH_NLA_TWEAK_DUPLI, color);
}
else if (strip->flag & NLASTRIP_FLAG_SELECT) {
/* selected strip - use theme color for selected */
UI_GetThemeColor3fv(TH_STRIP_SELECT, color);
}
else {
/* normal, unselected strip - use standard strip theme color */
UI_GetThemeColor3fv(TH_STRIP, color);
}
}
}
/* helper call for drawing influence/time control curves for a given NLA-strip */
static void nla_draw_strip_curves(NlaStrip *strip, float yminc, float ymaxc)
{
const float yheight = ymaxc - yminc;
/* drawing color is simply a light-gray */
// TODO: is this color suitable?
// XXX nasty hacked color for now... which looks quite bad too...
glColor3f(0.7f, 0.7f, 0.7f);
/* draw with AA'd line */
glEnable(GL_LINE_SMOOTH);
glEnable(GL_BLEND);
/* influence -------------------------- */
if (strip->flag & NLASTRIP_FLAG_USR_INFLUENCE) {
FCurve *fcu = list_find_fcurve(&strip->fcurves, "influence", 0);
float cfra;
/* plot the curve (over the strip's main region) */
glBegin(GL_LINE_STRIP);
/* sample at 1 frame intervals, and draw
* - min y-val is yminc, max is y-maxc, so clamp in those regions
*/
for (cfra = strip->start; cfra <= strip->end; cfra += 1.0f) {
float y = evaluate_fcurve(fcu, cfra); // assume this to be in 0-1 range
glVertex2f(cfra, ((y * yheight) + yminc));
}
glEnd(); // GL_LINE_STRIP
}
else {
/* use blend in/out values only if both aren't zero */
if ((IS_EQF(strip->blendin, 0.0f) && IS_EQF(strip->blendout, 0.0f)) == 0) {
glBegin(GL_LINE_STRIP);
/* start of strip - if no blendin, start straight at 1, otherwise from 0 to 1 over blendin frames */
if (IS_EQF(strip->blendin, 0.0f) == 0) {
glVertex2f(strip->start, yminc);
glVertex2f(strip->start + strip->blendin, ymaxc);
}
else
glVertex2f(strip->start, ymaxc);
/* end of strip */
if (IS_EQF(strip->blendout, 0.0f) == 0) {
glVertex2f(strip->end - strip->blendout, ymaxc);
glVertex2f(strip->end, yminc);
}
else
glVertex2f(strip->end, ymaxc);
glEnd(); // GL_LINE_STRIP
}
}
/* time -------------------------- */
// XXX do we want to draw this curve? in a different color too?
/* turn off AA'd lines */
glDisable(GL_LINE_SMOOTH);
glDisable(GL_BLEND);
}
/* main call for drawing a single NLA-strip */
static void nla_draw_strip(SpaceNla *snla, AnimData *adt, NlaTrack *nlt, NlaStrip *strip, View2D *v2d, float yminc, float ymaxc)
{
short nonSolo = ((adt && (adt->flag & ADT_NLA_SOLO_TRACK)) && (nlt->flag & NLATRACK_SOLO) == 0);
float color[3];
/* get color of strip */
nla_strip_get_color_inside(adt, strip, color);
/* draw extrapolation info first (as backdrop)
* - but this should only be drawn if track has some contribution
*/
if ((strip->extendmode != NLASTRIP_EXTEND_NOTHING) && (nonSolo == 0)) {
/* enable transparency... */
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
switch (strip->extendmode) {
/* since this does both sides, only do the 'before' side, and leave the rest to the next case */
case NLASTRIP_EXTEND_HOLD:
/* only need to draw here if there's no strip before since
* it only applies in such a situation
*/
if (strip->prev == NULL) {
/* set the drawing color to the color of the strip, but with very faint alpha */
glColor4f(color[0], color[1], color[2], 0.15f);
/* draw the rect to the edge of the screen */
glBegin(GL_QUADS);
glVertex2f(v2d->cur.xmin, yminc);
glVertex2f(v2d->cur.xmin, ymaxc);
glVertex2f(strip->start, ymaxc);
glVertex2f(strip->start, yminc);
glEnd();
}
/* no break needed... */
/* this only draws after the strip */
case NLASTRIP_EXTEND_HOLD_FORWARD:
/* only need to try and draw if the next strip doesn't occur immediately after */
if ((strip->next == NULL) || (IS_EQF(strip->next->start, strip->end) == 0)) {
/* set the drawing color to the color of the strip, but this time less faint */
glColor4f(color[0], color[1], color[2], 0.3f);
/* draw the rect to the next strip or the edge of the screen */
glBegin(GL_QUADS);
glVertex2f(strip->end, yminc);
glVertex2f(strip->end, ymaxc);
if (strip->next) {
glVertex2f(strip->next->start, ymaxc);
glVertex2f(strip->next->start, yminc);
}
else {
glVertex2f(v2d->cur.xmax, ymaxc);
glVertex2f(v2d->cur.xmax, yminc);
}
glEnd();
}
break;
}
glDisable(GL_BLEND);
}
/* draw 'inside' of strip itself */
if (nonSolo == 0) {
/* strip is in normal track */
glColor3fv(color);
uiSetRoundBox(UI_CNR_ALL); /* all corners rounded */
uiDrawBoxShade(GL_POLYGON, strip->start, yminc, strip->end, ymaxc, 0.0, 0.5, 0.1);
}
else {
/* strip is in disabled track - make less visible */
glColor4f(color[0], color[1], color[2], 0.1f);
glEnable(GL_BLEND);
glRectf(strip->start, yminc, strip->end, ymaxc);
glDisable(GL_BLEND);
}
/* draw strip's control 'curves'
* - only if user hasn't hidden them...
*/
if ((snla->flag & SNLA_NOSTRIPCURVES) == 0)
nla_draw_strip_curves(strip, yminc, ymaxc);
/* draw strip outline
* - color used here is to indicate active vs non-active
*/
if (strip->flag & NLASTRIP_FLAG_ACTIVE) {
/* strip should appear 'sunken', so draw a light border around it */
glColor3f(0.9f, 1.0f, 0.9f); // FIXME: hardcoded temp-hack colors
}
else {
/* strip should appear to stand out, so draw a dark border around it */
glColor3f(0.0f, 0.0f, 0.0f);
}
/* - line style: dotted for muted */
if (strip->flag & NLASTRIP_FLAG_MUTED)
setlinestyle(4);
/* draw outline */
uiDrawBoxShade(GL_LINE_LOOP, strip->start, yminc, strip->end, ymaxc, 0.0, 0.0, 0.1);
/* if action-clip strip, draw lines delimiting repeats too (in the same color as outline) */
if ((strip->type == NLASTRIP_TYPE_CLIP) && IS_EQF(strip->repeat, 1.0f) == 0) {
float repeatLen = (strip->actend - strip->actstart) * strip->scale;
int i;
/* only draw lines for whole-numbered repeats, starting from the first full-repeat
* up to the last full repeat (but not if it lies on the end of the strip)
*/
for (i = 1; i < strip->repeat; i++) {
float repeatPos = strip->start + (repeatLen * i);
/* don't draw if line would end up on or after the end of the strip */
if (repeatPos < strip->end)
fdrawline(repeatPos, yminc + 4, repeatPos, ymaxc - 4);
}
}
/* or if meta-strip, draw lines delimiting extents of sub-strips (in same color as outline, if more than 1 exists) */
else if ((strip->type == NLASTRIP_TYPE_META) && (strip->strips.first != strip->strips.last)) {
NlaStrip *cs;
float y = (ymaxc - yminc) / 2.0f + yminc;
/* only draw first-level of child-strips, but don't draw any lines on the endpoints */
for (cs = strip->strips.first; cs; cs = cs->next) {
/* draw start-line if not same as end of previous (and only if not the first strip)
* - on upper half of strip
*/
if ((cs->prev) && IS_EQF(cs->prev->end, cs->start) == 0)
fdrawline(cs->start, y, cs->start, ymaxc);
/* draw end-line if not the last strip
* - on lower half of strip
*/
if (cs->next)
fdrawline(cs->end, yminc, cs->end, y);
}
}
/* reset linestyle */
setlinestyle(0);
}
/* add the relevant text to the cache of text-strings to draw in pixelspace */
static void nla_draw_strip_text(AnimData *adt, NlaTrack *nlt, NlaStrip *strip, int index, View2D *v2d, float yminc, float ymaxc)
{
short notSolo = ((adt && (adt->flag & ADT_NLA_SOLO_TRACK)) && (nlt->flag & NLATRACK_SOLO) == 0);
char str[256];
char col[4];
float xofs;
rctf rect;
/* just print the name and the range */
if (strip->flag & NLASTRIP_FLAG_TEMP_META) {
BLI_snprintf(str, sizeof(str), "%d) Temp-Meta", index);
}
else {
BLI_strncpy(str, strip->name, sizeof(str));
}
/* set text color - if colors (see above) are light, draw black text, otherwise draw white */
if (strip->flag & (NLASTRIP_FLAG_ACTIVE | NLASTRIP_FLAG_SELECT | NLASTRIP_FLAG_TWEAKUSER)) {
col[0] = col[1] = col[2] = 0;
}
else {
col[0] = col[1] = col[2] = 255;
}
/* text opacity depends on whether if there's a solo'd track, this isn't it */
if (notSolo == 0)
col[3] = 255;
else
col[3] = 128;
/* determine the amount of padding required - cannot be constant otherwise looks weird in some cases */
if ((strip->end - strip->start) <= 5.0f)
xofs = 0.5f;
else
xofs = 1.0f;
/* set bounding-box for text
* - padding of 2 'units' on either side
*/
// TODO: make this centered?
rect.xmin = strip->start + xofs;
rect.ymin = yminc;
rect.xmax = strip->end - xofs;
rect.ymax = ymaxc;
/* add this string to the cache of texts to draw */
UI_view2d_text_cache_rectf(v2d, &rect, str, col);
}
/* add frame extents to cache of text-strings to draw in pixelspace
* for now, only used when transforming strips
*/
static void nla_draw_strip_frames_text(NlaTrack *UNUSED(nlt), NlaStrip *strip, View2D *v2d, float UNUSED(yminc), float ymaxc)
{
const float ytol = 1.0f; /* small offset to vertical positioning of text, for legibility */
const char col[4] = {220, 220, 220, 255}; /* light gray */
char numstr[32] = "";
/* Always draw times above the strip, whereas sequencer drew below + above.
* However, we should be fine having everything on top, since these tend to be
* quite spaced out.
* - 1 dp is compromise between lack of precision (ints only, as per sequencer)
* while also preserving some accuracy, since we do use floats
*/
/* start frame */
BLI_snprintf(numstr, sizeof(numstr), "%.1f", strip->start);
UI_view2d_text_cache_add(v2d, strip->start - 1.0f, ymaxc + ytol, numstr, col);
/* end frame */
BLI_snprintf(numstr, sizeof(numstr), "%.1f", strip->end);
UI_view2d_text_cache_add(v2d, strip->end, ymaxc + ytol, numstr, col);
}
/* ---------------------- */
void draw_nla_main_data(bAnimContext *ac, SpaceNla *snla, ARegion *ar)
{
ListBase anim_data = {NULL, NULL};
bAnimListElem *ale;
int filter;
View2D *v2d = &ar->v2d;
float y = 0.0f;
size_t items;
int height;
/* build list of channels to draw */
filter = (ANIMFILTER_DATA_VISIBLE | ANIMFILTER_LIST_VISIBLE | ANIMFILTER_LIST_CHANNELS);
items = ANIM_animdata_filter(ac, &anim_data, filter, ac->data, ac->datatype);
/* Update max-extent of channels here (taking into account scrollers):
* - this is done to allow the channel list to be scrollable, but must be done here
* to avoid regenerating the list again and/or also because channels list is drawn first
* - offset of NLACHANNEL_HEIGHT*2 is added to the height of the channels, as first is for
* start of list offset, and the second is as a correction for the scrollers.
*/
height = ((items * NLACHANNEL_STEP(snla)) + (NLACHANNEL_HEIGHT(snla) * 2));
/* don't use totrect set, as the width stays the same
* (NOTE: this is ok here, the configuration is pretty straightforward)
*/
v2d->tot.ymin = (float)(-height);
/* loop through channels, and set up drawing depending on their type */
y = (float)(-NLACHANNEL_HEIGHT(snla));
for (ale = anim_data.first; ale; ale = ale->next) {
const float yminc = (float)(y - NLACHANNEL_HEIGHT_HALF(snla));
const float ymaxc = (float)(y + NLACHANNEL_HEIGHT_HALF(snla));
/* check if visible */
if (IN_RANGE(yminc, v2d->cur.ymin, v2d->cur.ymax) ||
IN_RANGE(ymaxc, v2d->cur.ymin, v2d->cur.ymax) )
{
/* data to draw depends on the type of channel */
switch (ale->type) {
case ANIMTYPE_NLATRACK:
{
AnimData *adt = ale->adt;
NlaTrack *nlt = (NlaTrack *)ale->data;
NlaStrip *strip;
int index;
/* draw each strip in the track (if visible) */
for (strip = nlt->strips.first, index = 1; strip; strip = strip->next, index++) {
if (BKE_nlastrip_within_bounds(strip, v2d->cur.xmin, v2d->cur.xmax)) {
/* draw the visualization of the strip */
nla_draw_strip(snla, adt, nlt, strip, v2d, yminc, ymaxc);
/* add the text for this strip to the cache */
nla_draw_strip_text(adt, nlt, strip, index, v2d, yminc, ymaxc);
/* if transforming strips (only real reason for temp-metas currently),
* add to the cache the frame numbers of the strip's extents
*/
if (strip->flag & NLASTRIP_FLAG_TEMP_META)
nla_draw_strip_frames_text(nlt, strip, v2d, yminc, ymaxc);
}
}
}
break;
case ANIMTYPE_NLAACTION:
{
AnimData *adt = ale->adt;
float color[4];
/* just draw a semi-shaded rect spanning the width of the viewable area if there's data,
* and a second darker rect within which we draw keyframe indicator dots if there's data
*/
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
/* get colors for drawing */
nla_action_get_color(adt, ale->data, color);
glColor4fv(color);
/* draw slightly shifted up for greater separation from standard channels,
* but also slightly shorter for some more contrast when viewing the strips
*/
glRectf(v2d->cur.xmin, yminc + NLACHANNEL_SKIP, v2d->cur.xmax, ymaxc - NLACHANNEL_SKIP);
/* draw keyframes in the action */
nla_action_draw_keyframes(adt, ale->data, v2d, y, yminc + NLACHANNEL_SKIP, ymaxc - NLACHANNEL_SKIP);
/* draw 'embossed' lines above and below the strip for effect */
/* white base-lines */
glLineWidth(2.0f);
glColor4f(1.0f, 1.0f, 1.0f, 0.3);
fdrawline(v2d->cur.xmin, yminc + NLACHANNEL_SKIP, v2d->cur.xmax, yminc + NLACHANNEL_SKIP);
fdrawline(v2d->cur.xmin, ymaxc - NLACHANNEL_SKIP, v2d->cur.xmax, ymaxc - NLACHANNEL_SKIP);
/* black top-lines */
glLineWidth(1.0f);
glColor3f(0.0f, 0.0f, 0.0f);
fdrawline(v2d->cur.xmin, yminc + NLACHANNEL_SKIP, v2d->cur.xmax, yminc + NLACHANNEL_SKIP);
fdrawline(v2d->cur.xmin, ymaxc - NLACHANNEL_SKIP, v2d->cur.xmax, ymaxc - NLACHANNEL_SKIP);
glDisable(GL_BLEND);
}
break;
}
}
/* adjust y-position for next one */
y -= NLACHANNEL_STEP(snla);
}
/* free tempolary channels */
BLI_freelistN(&anim_data);
}
/* *********************************************** */
/* Channel List */
/* old code for drawing NLA channels using GL only */
// TODO: depreceate this code...
static void draw_nla_channel_list_gl(bAnimContext *ac, ListBase *anim_data, View2D *v2d, float y)
{
SpaceNla *snla = (SpaceNla *)ac->sl;
bAnimListElem *ale;
float x = 0.0f;
/* loop through channels, and set up drawing depending on their type */
for (ale = anim_data->first; ale; ale = ale->next) {
const float yminc = (float)(y - NLACHANNEL_HEIGHT_HALF(snla));
const float ymaxc = (float)(y + NLACHANNEL_HEIGHT_HALF(snla));
const float ydatac = (float)(y - 0.35f * U.widget_unit);
/* check if visible */
if (IN_RANGE(yminc, v2d->cur.ymin, v2d->cur.ymax) ||
IN_RANGE(ymaxc, v2d->cur.ymin, v2d->cur.ymax) )
{
AnimData *adt = ale->adt;
short indent = 0, offset = 0, sel = 0, group = 0, nonSolo = 0;
int expand = -1, protect = -1, special = -1, mute = -1;
char name[128];
short do_draw = FALSE;
/* determine what needs to be drawn */
switch (ale->type) {
case ANIMTYPE_NLATRACK: /* NLA Track */
{
NlaTrack *nlt = (NlaTrack *)ale->data;
/* 'solo' as the 'special' button? */
if (nlt->flag & NLATRACK_SOLO)
special = ICON_SOLO_ON;
else
special = ICON_SOLO_OFF;
/* if this track is active and we're tweaking it, don't draw these toggles */
// TODO: need a special macro for this...
if (((nlt->flag & NLATRACK_ACTIVE) && (nlt->flag & NLATRACK_DISABLED)) == 0) {
if (nlt->flag & NLATRACK_MUTED)
mute = ICON_MUTE_IPO_ON;
else
mute = ICON_MUTE_IPO_OFF;
if (EDITABLE_NLT(nlt))
protect = ICON_UNLOCKED;
else
protect = ICON_LOCKED;
}
/* is track enabled for solo drawing? */
if ((adt) && (adt->flag & ADT_NLA_SOLO_TRACK)) {
if ((nlt->flag & NLATRACK_SOLO) == 0) {
/* tag for special non-solo handling; also hide the mute toggles */
nonSolo = 1;
mute = 0;
}
}
sel = SEL_NLT(nlt);
BLI_strncpy(name, nlt->name, sizeof(name));
/* draw manually still */
do_draw = TRUE;
}
break;
case ANIMTYPE_NLAACTION: /* NLA Action-Line */
{
bAction *act = (bAction *)ale->data;
group = 5;
special = ICON_ACTION;
BLI_strncpy(name, act ? act->id.name + 2 : "<No Action>", sizeof(name));
/* draw manually still */
do_draw = TRUE;
}
break;
default: /* handled by standard channel-drawing API */
// draw backdrops only...
ANIM_channel_draw(ac, ale, yminc, ymaxc);
break;
}
/* if special types, draw manually for now... */
if (do_draw) {
if (ale->id) {
/* special exception for textures */
if (GS(ale->id->name) == ID_TE) {
offset = 0.7f * U.widget_unit;
indent = 1;
}
/* special exception for nodetrees */
else if (GS(ale->id->name) == ID_NT) {
bNodeTree *ntree = (bNodeTree *)ale->id;
switch (ntree->type) {
case NTREE_SHADER:
{
/* same as for textures */
offset = 0.7f * U.widget_unit;
indent = 1;
}
break;
case NTREE_TEXTURE:
{
/* even more */
offset = U.widget_unit;
indent = 1;
}
break;
default:
/* normal will do */
offset = 0.7f * U.widget_unit;
break;
}
}
else {
offset = 0.7f * U.widget_unit;
}
}
else {
offset = 0;
}
/* now, start drawing based on this information */
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
/* draw backing strip behind channel name */
if (group == 5) {
float color[4];
/* Action Line
* The alpha values action_get_color returns are only useful for drawing
* strips backgrounds but here we're doing channel list backgrounds instead
* so we ignore that and use our own when needed
*/
nla_action_get_color(adt, (bAction *)ale->data, color);
if (adt && (adt->flag & ADT_NLA_EDIT_ON)) {
/* Yes, the color vector has 4 components, BUT we only want to be using 3 of them! */
glColor3fv(color);
}
else {
float alpha = (adt && (adt->flag & ADT_NLA_SOLO_TRACK)) ? 0.3f : 1.0f;
glColor4f(color[0], color[1], color[2], alpha);
}
offset += 0.35f * U.widget_unit * indent;
/* only on top two corners, to show that this channel sits on top of the preceding ones */
uiSetRoundBox(UI_CNR_TOP_LEFT | UI_CNR_TOP_RIGHT);
/* draw slightly shifted up vertically to look like it has more separation from other channels,
* but we then need to slightly shorten it so that it doesn't look like it overlaps
*/
uiDrawBox(GL_POLYGON, x + offset, yminc + NLACHANNEL_SKIP, (float)v2d->cur.xmax, ymaxc + NLACHANNEL_SKIP - 1, 8);
/* clear group value, otherwise we cause errors... */
group = 0;
}
else {
/* NLA tracks - darker color if not solo track when we're showing solo */
UI_ThemeColorShade(TH_HEADER, ((nonSolo == 0) ? 20 : -20));
indent += group;
offset += 0.35f * U.widget_unit * indent;
glBegin(GL_QUADS);
glVertex2f(x + offset, yminc);
glVertex2f(x + offset, ymaxc);
glVertex2f((float)v2d->cur.xmax, ymaxc);
glVertex2f((float)v2d->cur.xmax, yminc);
glEnd();
}
/* draw expand/collapse triangle */
if (expand > 0) {
UI_icon_draw(x + offset, ydatac, expand);
offset += 0.85f * U.widget_unit;
}
/* draw special icon indicating certain data-types */
if (special > -1) {
/* for normal channels */
UI_icon_draw(x + offset, ydatac, special);
offset += 0.85f * U.widget_unit;
}
glDisable(GL_BLEND);
/* draw name */
if (sel)
UI_ThemeColor(TH_TEXT_HI);
else
UI_ThemeColor(TH_TEXT);
offset += 3;
UI_DrawString(x + offset, y - 4, name);
/* reset offset - for RHS of panel */
offset = 0;
/* set blending again, as text drawing may clear it */
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
/* draw protect 'lock' */
if (protect > -1) {
offset = 0.8f * U.widget_unit;
UI_icon_draw((float)(v2d->cur.xmax - offset), ydatac, protect);
}
/* draw mute 'eye' */
if (mute > -1) {
offset += 0.8f * U.widget_unit;
UI_icon_draw((float)(v2d->cur.xmax - offset), ydatac, mute);
}
/* draw NLA-action line 'status-icons' - only when there's an action */
if ((ale->type == ANIMTYPE_NLAACTION) && (ale->data)) {
offset += 0.8f * U.widget_unit;
/* now draw some indicator icons */
if ((adt) && (adt->flag & ADT_NLA_EDIT_ON)) {
/* toggle for tweaking with mapping/no-mapping (i.e. 'in place editing' toggle) */
// for now, use pin icon to symbolise this
if (adt->flag & ADT_NLA_EDIT_NOMAP)
UI_icon_draw((float)(v2d->cur.xmax - offset), ydatac, ICON_PINNED);
else
UI_icon_draw((float)(v2d->cur.xmax - offset), ydatac, ICON_UNPINNED);
fdrawline((float)(v2d->cur.xmax - offset), yminc,
(float)(v2d->cur.xmax - offset), ymaxc);
offset += 0.8f * U.widget_unit;
/* 'tweaking action' indicator - not a button */
UI_icon_draw((float)(v2d->cur.xmax - offset), ydatac, ICON_EDIT);
}
else {
/* XXX firstly draw a little rect to help identify that it's different from the toggles */
glBegin(GL_LINE_LOOP);
glVertex2f((float)v2d->cur.xmax - offset - 1, y - 0.35f * U.widget_unit);
glVertex2f((float)v2d->cur.xmax - offset - 1, y + 0.45f * U.widget_unit);
glVertex2f((float)v2d->cur.xmax - 1, y + 0.45f * U.widget_unit);
glVertex2f((float)v2d->cur.xmax - 1, y - 0.35f * U.widget_unit);
glEnd();
/* 'push down' icon for normal active-actions */
UI_icon_draw((float)v2d->cur.xmax - offset, ydatac, ICON_FREEZE);
}
}
glDisable(GL_BLEND);
}
}
/* adjust y-position for next one */
y -= NLACHANNEL_STEP(snla);
}
}
void draw_nla_channel_list(bContext *C, bAnimContext *ac, ARegion *ar)
{
ListBase anim_data = {NULL, NULL};
bAnimListElem *ale;
int filter;
SpaceNla *snla = (SpaceNla *)ac->sl;
View2D *v2d = &ar->v2d;
float y = 0.0f;
size_t items;
int height;
/* build list of channels to draw */
filter = (ANIMFILTER_DATA_VISIBLE | ANIMFILTER_LIST_VISIBLE | ANIMFILTER_LIST_CHANNELS);
items = ANIM_animdata_filter(ac, &anim_data, filter, ac->data, ac->datatype);
/* Update max-extent of channels here (taking into account scrollers):
* - this is done to allow the channel list to be scrollable, but must be done here
* to avoid regenerating the list again and/or also because channels list is drawn first
* - offset of NLACHANNEL_HEIGHT*2 is added to the height of the channels, as first is for
* start of list offset, and the second is as a correction for the scrollers.
*/
height = ((items * NLACHANNEL_STEP(snla)) + (NLACHANNEL_HEIGHT(snla) * 2));
/* don't use totrect set, as the width stays the same
* (NOTE: this is ok here, the configuration is pretty straightforward)
*/
v2d->tot.ymin = (float)(-height);
/* need to do a view-sync here, so that the keys area doesn't jump around (it must copy this) */
UI_view2d_sync(NULL, ac->sa, v2d, V2D_LOCK_COPY);
/* draw channels */
{ /* first pass: backdrops + oldstyle drawing */
y = (float)(-NLACHANNEL_HEIGHT(snla));
draw_nla_channel_list_gl(ac, &anim_data, v2d, y);
}
{ /* second pass: UI widgets */
uiBlock *block = uiBeginBlock(C, ar, __func__, UI_EMBOSS);
size_t channel_index = 0;
y = (float)(-NLACHANNEL_HEIGHT(snla));
/* set blending again, as may not be set in previous step */
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
/* loop through channels, and set up drawing depending on their type */
for (ale = anim_data.first; ale; ale = ale->next) {
const float yminc = (float)(y - NLACHANNEL_HEIGHT_HALF(snla));
const float ymaxc = (float)(y + NLACHANNEL_HEIGHT_HALF(snla));
/* check if visible */
if (IN_RANGE(yminc, v2d->cur.ymin, v2d->cur.ymax) ||
IN_RANGE(ymaxc, v2d->cur.ymin, v2d->cur.ymax) )
{
/* draw all channels using standard channel-drawing API */
ANIM_channel_draw_widgets(C, ac, ale, block, yminc, ymaxc, channel_index);
}
/* adjust y-position for next one */
y -= NLACHANNEL_STEP(snla);
channel_index++;
}
uiEndBlock(C, block);
uiDrawBlock(C, block);
glDisable(GL_BLEND);
}
/* free tempolary channels */
BLI_freelistN(&anim_data);
}
/* *********************************************** */
View Git Blame Copy Permalink