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|
/*
* $Id$
*
* ***** 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) 2008 Blender Foundation.
* All rights reserved.
*
*
* Contributor(s): Blender Foundation
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/editors/space_time/space_time.c
* \ingroup sptime
*/
#include <string.h>
#include <stdio.h>
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "MEM_guardedalloc.h"
#include "BLI_blenlib.h"
#include "BLI_dlrbTree.h"
#include "BLI_utildefines.h"
#include "BKE_context.h"
#include "BKE_global.h"
#include "BKE_screen.h"
#include "BKE_pointcache.h"
#include "ED_anim_api.h"
#include "ED_keyframes_draw.h"
#include "ED_screen.h"
#include "WM_api.h"
#include "WM_types.h"
#include "BIF_gl.h"
#include "BIF_glutil.h"
#include "UI_resources.h"
#include "UI_view2d.h"
#include "ED_space_api.h"
#include "ED_markers.h"
#include "time_intern.h"
/* ************************ main time area region *********************** */
static void time_draw_sfra_efra(Scene *scene, View2D *v2d)
{
/* draw darkened area outside of active timeline
* frame range used is preview range or scene range */
UI_ThemeColorShade(TH_BACK, -25);
if (PSFRA < PEFRA) {
glRectf(v2d->cur.xmin, v2d->cur.ymin, (float)PSFRA, v2d->cur.ymax);
glRectf((float)PEFRA, v2d->cur.ymin, v2d->cur.xmax, v2d->cur.ymax);
}
else {
glRectf(v2d->cur.xmin, v2d->cur.ymin, v2d->cur.xmax, v2d->cur.ymax);
}
UI_ThemeColorShade(TH_BACK, -60);
/* thin lines where the actual frames are */
fdrawline((float)PSFRA, v2d->cur.ymin, (float)PSFRA, v2d->cur.ymax);
fdrawline((float)PEFRA, v2d->cur.ymin, (float)PEFRA, v2d->cur.ymax);
}
#define CACHE_DRAW_HEIGHT 3.0f
static void time_draw_cache(SpaceTime *stime, Object *ob)
{
PTCacheID *pid;
ListBase pidlist;
SpaceTimeCache *stc = stime->caches.first;
float yoffs=0.f;
if (!(stime->cache_display & TIME_CACHE_DISPLAY) || (!ob))
return;
BKE_ptcache_ids_from_object(&pidlist, ob, NULL, 0);
/* iterate over pointcaches on the active object,
* add spacetimecache and vertex array for each */
for(pid=pidlist.first; pid; pid=pid->next) {
float col[4], *fp;
int i, sta = pid->cache->startframe, end = pid->cache->endframe;
int len = (end - sta + 1)*4;
switch(pid->type) {
case PTCACHE_TYPE_SOFTBODY:
if (!(stime->cache_display & TIME_CACHE_SOFTBODY)) continue;
break;
case PTCACHE_TYPE_PARTICLES:
if (!(stime->cache_display & TIME_CACHE_PARTICLES)) continue;
break;
case PTCACHE_TYPE_CLOTH:
if (!(stime->cache_display & TIME_CACHE_CLOTH)) continue;
break;
case PTCACHE_TYPE_SMOKE_DOMAIN:
case PTCACHE_TYPE_SMOKE_HIGHRES:
if (!(stime->cache_display & TIME_CACHE_SMOKE)) continue;
break;
}
if(pid->cache->cached_frames == NULL)
continue;
/* make sure we have stc with correct array length */
if(stc == NULL || MEM_allocN_len(stc->array) != len*2*sizeof(float)) {
if(stc) {
MEM_freeN(stc->array);
}
else {
stc = MEM_callocN(sizeof(SpaceTimeCache), "spacetimecache");
BLI_addtail(&stime->caches, stc);
}
stc->array = MEM_callocN(len*2*sizeof(float), "SpaceTimeCache array");
}
/* fill the vertex array with a quad for each cached frame */
for (i=sta, fp=stc->array; i<=end; i++) {
if (pid->cache->cached_frames[i-sta]) {
fp[0] = (float)i-0.5f;
fp[1] = 0.0;
fp+=2;
fp[0] = (float)i-0.5f;
fp[1] = 1.0;
fp+=2;
fp[0] = (float)i+0.5f;
fp[1] = 1.0;
fp+=2;
fp[0] = (float)i+0.5f;
fp[1] = 0.0;
fp+=2;
}
}
glPushMatrix();
glTranslatef(0.0, (float)V2D_SCROLL_HEIGHT+yoffs, 0.0);
glScalef(1.0, CACHE_DRAW_HEIGHT, 0.0);
switch(pid->type) {
case PTCACHE_TYPE_SOFTBODY:
col[0] = 1.0; col[1] = 0.4; col[2] = 0.02;
col[3] = 0.1;
break;
case PTCACHE_TYPE_PARTICLES:
col[0] = 1.0; col[1] = 0.1; col[2] = 0.02;
col[3] = 0.1;
break;
case PTCACHE_TYPE_CLOTH:
col[0] = 0.1; col[1] = 0.1; col[2] = 0.75;
col[3] = 0.1;
break;
case PTCACHE_TYPE_SMOKE_DOMAIN:
case PTCACHE_TYPE_SMOKE_HIGHRES:
col[0] = 0.2; col[1] = 0.2; col[2] = 0.2;
col[3] = 0.1;
break;
}
glColor4fv(col);
glEnable(GL_BLEND);
glRectf((float)sta, 0.0, (float)end, 1.0);
col[3] = 0.4f;
if (pid->cache->flag & PTCACHE_BAKED) {
col[0] -= 0.4f; col[1] -= 0.4f; col[2] -= 0.4f;
}
glColor4fv(col);
glEnableClientState(GL_VERTEX_ARRAY);
glVertexPointer(2, GL_FLOAT, 0, stc->array);
glDrawArrays(GL_QUADS, 0, (fp-stc->array)/2);
glDisableClientState(GL_VERTEX_ARRAY);
glDisable(GL_BLEND);
glPopMatrix();
yoffs += CACHE_DRAW_HEIGHT;
stc = stc->next;
}
BLI_freelistN(&pidlist);
/* free excessive caches */
while(stc) {
SpaceTimeCache *tmp = stc->next;
BLI_remlink(&stime->caches, stc);
MEM_freeN(stc->array);
MEM_freeN(stc);
stc = tmp;
}
}
static void time_cache_free(SpaceTime *stime)
{
SpaceTimeCache *stc;
for (stc= stime->caches.first; stc; stc=stc->next) {
if (stc->array) {
MEM_freeN(stc->array);
stc->array = NULL;
}
}
BLI_freelistN(&stime->caches);
}
static void time_cache_refresh(SpaceTime *stime)
{
/* Free previous caches to indicate full refresh */
time_cache_free(stime);
}
/* helper function - find actkeycolumn that occurs on cframe, or the nearest one if not found */
static ActKeyColumn *time_cfra_find_ak (ActKeyColumn *ak, float cframe)
{
ActKeyColumn *akn= NULL;
/* sanity checks */
if (ak == NULL)
return NULL;
/* check if this is a match, or whether it is in some subtree */
if (cframe < ak->cfra)
akn= time_cfra_find_ak(ak->left, cframe);
else if (cframe > ak->cfra)
akn= time_cfra_find_ak(ak->right, cframe);
/* if no match found (or found match), just use the current one */
if (akn == NULL)
return ak;
else
return akn;
}
/* helper for time_draw_keyframes() */
static void time_draw_idblock_keyframes(View2D *v2d, ID *id, short onlysel)
{
bDopeSheet ads= {NULL};
DLRBT_Tree keys;
ActKeyColumn *ak;
/* init binarytree-list for getting keyframes */
BLI_dlrbTree_init(&keys);
/* init dopesheet settings */
// FIXME: the ob_to_keylist function currently doesn't take this into account...
if (onlysel)
ads.filterflag |= ADS_FILTER_ONLYSEL;
/* populate tree with keyframe nodes */
switch (GS(id->name)) {
case ID_SCE:
scene_to_keylist(&ads, (Scene *)id, &keys, NULL);
break;
case ID_OB:
ob_to_keylist(&ads, (Object *)id, &keys, NULL);
break;
}
/* build linked-list for searching */
BLI_dlrbTree_linkedlist_sync(&keys);
/* start drawing keyframes
* - we use the binary-search capabilities of the tree to only start from
* the first visible keyframe (last one can then be easily checked)
* - draw within a single GL block to be faster
*/
glBegin(GL_LINES);
for ( ak=time_cfra_find_ak(keys.root, v2d->cur.xmin);
(ak) && (ak->cfra <= v2d->cur.xmax);
ak=ak->next )
{
glVertex2f(ak->cfra, v2d->cur.ymin);
glVertex2f(ak->cfra, v2d->cur.ymax);
}
glEnd(); // GL_LINES
/* free temp stuff */
BLI_dlrbTree_free(&keys);
}
/* draw keyframe lines for timeline */
static void time_draw_keyframes(const bContext *C, SpaceTime *stime, ARegion *ar)
{
Scene *scene= CTX_data_scene(C);
Object *ob= CTX_data_active_object(C);
View2D *v2d= &ar->v2d;
short onlysel= (stime->flag & TIME_ONLYACTSEL);
/* draw scene keyframes first
* - don't try to do this when only drawing active/selected data keyframes,
* since this can become quite slow
*/
if (scene && onlysel==0) {
/* set draw color */
glColor3ub(0xDD, 0xA7, 0x00);
time_draw_idblock_keyframes(v2d, (ID *)scene, onlysel);
}
/* draw keyframes from selected objects
* - only do the active object if in posemode (i.e. showing only keyframes for the bones)
* OR the onlysel flag was set, which means that only active object's keyframes should
* be considered
*/
glColor3ub(0xDD, 0xD7, 0x00);
if (ob && ((ob->mode == OB_MODE_POSE) || onlysel)) {
/* draw keyframes for active object only */
time_draw_idblock_keyframes(v2d, (ID *)ob, onlysel);
}
else {
short active_done = 0;
/* draw keyframes from all selected objects */
CTX_DATA_BEGIN(C, Object*, obsel, selected_objects)
{
/* last arg is 0, since onlysel doesn't apply here... */
time_draw_idblock_keyframes(v2d, (ID *)obsel, 0);
/* if this object is the active one, set flag so that we don't draw again */
if (obsel == ob)
active_done= 1;
}
CTX_DATA_END;
/* if active object hasn't been done yet, draw it... */
if (ob && (active_done == 0))
time_draw_idblock_keyframes(v2d, (ID *)ob, 0);
}
}
/* ---------------- */
static void time_refresh(const bContext *UNUSED(C), ScrArea *sa)
{
SpaceTime *stime = (SpaceTime *)sa->spacedata.first;
ARegion *ar;
/* find the main timeline region and refresh cache display*/
for (ar= sa->regionbase.first; ar; ar= ar->next) {
if (ar->regiontype==RGN_TYPE_WINDOW) {
time_cache_refresh(stime);
break;
}
}
}
/* editor level listener */
static void time_listener(ScrArea *sa, wmNotifier *wmn)
{
/* mainly for updating cache display */
switch (wmn->category) {
case NC_OBJECT:
switch (wmn->data) {
case ND_BONE_ACTIVE:
case ND_POINTCACHE:
case ND_MODIFIER:
case ND_PARTICLE:
ED_area_tag_refresh(sa);
ED_area_tag_redraw(sa);
break;
}
break;
case NC_SCENE:
switch (wmn->data) {
case ND_OB_ACTIVE:
case ND_FRAME:
ED_area_tag_refresh(sa);
break;
case ND_FRAME_RANGE:
{
ARegion *ar;
Scene *scene = wmn->reference;
for (ar= sa->regionbase.first; ar; ar= ar->next) {
if (ar->regiontype==RGN_TYPE_WINDOW) {
ar->v2d.tot.xmin= (float)(SFRA - 4);
ar->v2d.tot.xmax= (float)(EFRA + 4);
break;
}
}
}
break;
}
case NC_SPACE:
switch (wmn->data) {
case ND_SPACE_CHANGED:
ED_area_tag_refresh(sa);
break;
}
case NC_WM:
switch (wmn->data) {
case ND_FILEREAD:
ED_area_tag_refresh(sa);
break;
}
}
}
/* ---------------- */
/* add handlers, stuff you only do once or on area/region changes */
static void time_main_area_init(wmWindowManager *wm, ARegion *ar)
{
wmKeyMap *keymap;
UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_CUSTOM, ar->winx, ar->winy);
/* own keymap */
keymap= WM_keymap_find(wm->defaultconf, "Timeline", SPACE_TIME, 0);
WM_event_add_keymap_handler_bb(&ar->handlers, keymap, &ar->v2d.mask, &ar->winrct);
}
static void time_main_area_draw(const bContext *C, ARegion *ar)
{
/* draw entirely, view changes should be handled here */
Scene *scene= CTX_data_scene(C);
SpaceTime *stime= CTX_wm_space_time(C);
Object *obact = CTX_data_active_object(C);
View2D *v2d= &ar->v2d;
View2DGrid *grid;
View2DScrollers *scrollers;
int unit, flag=0;
/* clear and setup matrix */
UI_ThemeClearColor(TH_BACK);
glClear(GL_COLOR_BUFFER_BIT);
UI_view2d_view_ortho(v2d);
/* start and end frame */
time_draw_sfra_efra(scene, v2d);
/* grid */
unit= (stime->flag & TIME_DRAWFRAMES)? V2D_UNIT_FRAMES: V2D_UNIT_SECONDS;
grid= UI_view2d_grid_calc(scene, v2d, unit, V2D_GRID_CLAMP, V2D_ARG_DUMMY, V2D_ARG_DUMMY, ar->winx, ar->winy);
UI_view2d_grid_draw(v2d, grid, (V2D_VERTICAL_LINES|V2D_VERTICAL_AXIS));
UI_view2d_grid_free(grid);
/* current frame */
if ((stime->flag & TIME_DRAWFRAMES)==0) flag |= DRAWCFRA_UNIT_SECONDS;
if (stime->flag & TIME_CFRA_NUM) flag |= DRAWCFRA_SHOW_NUMBOX;
ANIM_draw_cfra(C, v2d, flag);
/* keyframes */
if(!G.rendering) /* ANIM_nla_mapping_apply_fcurve() modifies curve data while rendering, possible race condition */
time_draw_keyframes(C, stime, ar);
/* markers */
UI_view2d_view_orthoSpecial(ar, v2d, 1);
draw_markers_time(C, 0);
/* caches */
time_draw_cache(stime, obact);
/* reset view matrix */
UI_view2d_view_restore(C);
/* scrollers */
scrollers= UI_view2d_scrollers_calc(C, v2d, unit, V2D_GRID_CLAMP, V2D_ARG_DUMMY, V2D_ARG_DUMMY);
UI_view2d_scrollers_draw(C, v2d, scrollers);
UI_view2d_scrollers_free(scrollers);
}
static void time_main_area_listener(ARegion *ar, wmNotifier *wmn)
{
/* context changes */
switch(wmn->category) {
case NC_SPACE:
if(wmn->data == ND_SPACE_TIME)
ED_region_tag_redraw(ar);
break;
case NC_ANIMATION:
ED_region_tag_redraw(ar);
break;
case NC_SCENE:
switch (wmn->data) {
case ND_OB_SELECT:
case ND_OB_ACTIVE:
case ND_FRAME:
case ND_FRAME_RANGE:
case ND_KEYINGSET:
case ND_RENDER_OPTIONS:
ED_region_tag_redraw(ar);
break;
}
}
}
/* ************************ header time area region *********************** */
/* add handlers, stuff you only do once or on area/region changes */
static void time_header_area_init(wmWindowManager *UNUSED(wm), ARegion *ar)
{
ED_region_header_init(ar);
}
static void time_header_area_draw(const bContext *C, ARegion *ar)
{
ED_region_header(C, ar);
}
static void time_header_area_listener(ARegion *ar, wmNotifier *wmn)
{
/* context changes */
switch(wmn->category) {
case NC_SCREEN:
if(wmn->data==ND_ANIMPLAY)
ED_region_tag_redraw(ar);
break;
case NC_SCENE:
switch (wmn->data) {
case ND_OB_SELECT:
case ND_FRAME:
case ND_FRAME_RANGE:
case ND_KEYINGSET:
case ND_RENDER_OPTIONS:
ED_region_tag_redraw(ar);
break;
}
case NC_SPACE:
if(wmn->data == ND_SPACE_TIME)
ED_region_tag_redraw(ar);
break;
}
}
/* ******************** default callbacks for time space ***************** */
static SpaceLink *time_new(const bContext *C)
{
Scene *scene= CTX_data_scene(C);
ARegion *ar;
SpaceTime *stime;
stime= MEM_callocN(sizeof(SpaceTime), "inittime");
stime->spacetype= SPACE_TIME;
stime->redraws= TIME_ALL_3D_WIN|TIME_ALL_ANIM_WIN; // XXX: depreceated
stime->flag |= TIME_DRAWFRAMES;
/* header */
ar= MEM_callocN(sizeof(ARegion), "header for time");
BLI_addtail(&stime->regionbase, ar);
ar->regiontype= RGN_TYPE_HEADER;
ar->alignment= RGN_ALIGN_BOTTOM;
/* main area */
ar= MEM_callocN(sizeof(ARegion), "main area for time");
BLI_addtail(&stime->regionbase, ar);
ar->regiontype= RGN_TYPE_WINDOW;
ar->v2d.tot.xmin= (float)(SFRA - 4);
ar->v2d.tot.ymin= 0.0f;
ar->v2d.tot.xmax= (float)(EFRA + 4);
ar->v2d.tot.ymax= 50.0f;
ar->v2d.cur= ar->v2d.tot;
ar->v2d.min[0]= 1.0f;
ar->v2d.min[1]= 50.0f;
ar->v2d.max[0]= MAXFRAMEF;
ar->v2d.max[1]= 50.0;
ar->v2d.minzoom= 0.1f;
ar->v2d.maxzoom= 10.0;
ar->v2d.scroll |= (V2D_SCROLL_BOTTOM|V2D_SCROLL_SCALE_HORIZONTAL);
ar->v2d.align |= V2D_ALIGN_NO_NEG_Y;
ar->v2d.keepofs |= V2D_LOCKOFS_Y;
ar->v2d.keepzoom |= V2D_LOCKZOOM_Y;
return (SpaceLink*)stime;
}
/* not spacelink itself */
static void time_free(SpaceLink *sl)
{
SpaceTime *stime= (SpaceTime *)sl;
time_cache_free(stime);
}
/* spacetype; init callback in ED_area_initialize() */
/* init is called to (re)initialize an existing editor (file read, screen changes) */
/* validate spacedata, add own area level handlers */
static void time_init(wmWindowManager *UNUSED(wm), ScrArea *sa)
{
SpaceTime *stime= (SpaceTime *)sa->spacedata.first;
time_cache_free(stime);
/* enable all cache display */
stime->cache_display |= TIME_CACHE_DISPLAY;
stime->cache_display |= (TIME_CACHE_SOFTBODY|TIME_CACHE_PARTICLES);
stime->cache_display |= (TIME_CACHE_CLOTH|TIME_CACHE_SMOKE);
}
static SpaceLink *time_duplicate(SpaceLink *sl)
{
SpaceTime *stime= (SpaceTime *)sl;
SpaceTime *stimen= MEM_dupallocN(stime);
stimen->caches.first = stimen->caches.last = NULL;
return (SpaceLink *)stimen;
}
/* only called once, from space_api/spacetypes.c */
/* it defines all callbacks to maintain spaces */
void ED_spacetype_time(void)
{
SpaceType *st= MEM_callocN(sizeof(SpaceType), "spacetype time");
ARegionType *art;
st->spaceid= SPACE_TIME;
strncpy(st->name, "Timeline", BKE_ST_MAXNAME);
st->new= time_new;
st->free= time_free;
st->init= time_init;
st->duplicate= time_duplicate;
st->operatortypes= time_operatortypes;
st->keymap= NULL;
st->listener= time_listener;
st->refresh= time_refresh;
/* regions: main window */
art= MEM_callocN(sizeof(ARegionType), "spacetype time region");
art->regionid = RGN_TYPE_WINDOW;
art->keymapflag= ED_KEYMAP_VIEW2D|ED_KEYMAP_MARKERS|ED_KEYMAP_ANIMATION|ED_KEYMAP_FRAMES;
art->init= time_main_area_init;
art->draw= time_main_area_draw;
art->listener= time_main_area_listener;
art->keymap= time_keymap;
BLI_addhead(&st->regiontypes, art);
/* regions: header */
art= MEM_callocN(sizeof(ARegionType), "spacetype time region");
art->regionid = RGN_TYPE_HEADER;
art->prefsizey= HEADERY;
art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_VIEW2D|ED_KEYMAP_FRAMES|ED_KEYMAP_HEADER;
art->init= time_header_area_init;
art->draw= time_header_area_draw;
art->listener= time_header_area_listener;
BLI_addhead(&st->regiontypes, art);
BKE_spacetype_register(st);
}
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