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blender-archive/source/blender/src/drawaction.c
Hans Lambermont 12315f4d0e Initial revision
2002-10-12 11:37:38 +00:00

584 lines
14 KiB
C

/**
* $Id$
*
* ***** BEGIN GPL/BL DUAL 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. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
* Drawing routines for the Action window type
*/
/* System includes ----------------------------------------------------- */
#include <math.h>
#include <stdlib.h>
#ifdef WIN32
#include "BLI_winstuff.h"
#endif
#include "MEM_guardedalloc.h"
#include "BMF_Api.h"
#include "BLI_blenlib.h"
#include "BLI_arithb.h"
/* Types --------------------------------------------------------------- */
#include "DNA_action_types.h"
#include "DNA_curve_types.h"
#include "DNA_ipo_types.h"
#include "DNA_object_types.h"
#include "DNA_screen_types.h"
#include "DNA_scene_types.h"
#include "DNA_space_types.h"
#include "DNA_constraint_types.h"
#include "BKE_action.h"
#include "BKE_global.h"
/* Everything from source (BIF, BDR, BSE) ------------------------------ */
#include "BIF_gl.h"
#include "BIF_glutil.h"
#include "BIF_resources.h"
#include "BIF_screen.h"
#include "BIF_interface.h"
#include "BIF_mywindow.h"
#include "BDR_editcurve.h"
#include "BSE_view.h"
#include "BSE_drawipo.h"
#include "BSE_editaction_types.h"
#include "BDR_drawaction.h"
/* 'old' stuff": defines and types, and own include -------------------- */
#include "blendef.h"
/* local functions ----------------------------------------------------- */
void drawactionspace(void);
static void draw_channel_names(void);
static void draw_channel_strips(SpaceAction *saction);
int count_action_levels(bAction *act);
static BezTriple **ipo_to_keylist(Ipo *ipo, int flags, int *totvert);
static BezTriple **action_to_keylist(bAction *act, int flags, int *totvert);
static BezTriple **ob_to_keylist(Object *ob, int flags, int *totvert);
static void draw_keylist(gla2DDrawInfo *di, int totvert, BezTriple **blist, float ypos);
/* implementation ------------------------------------------------------ */
void draw_cfra_action(void)
{
Object *ob;
float vec[2];
vec[0]= (G.scene->r.cfra);
vec[0]*= G.scene->r.framelen;
vec[1]= G.v2d->cur.ymin;
glColor3ub(0x60, 0xc0, 0x40);
glLineWidth(2.0);
glBegin(GL_LINE_STRIP);
glVertex2fv(vec);
vec[1]= G.v2d->cur.ymax;
glVertex2fv(vec);
glEnd();
ob= (G.scene->basact) ? (G.scene->basact->object) : 0;
if(ob && ob->sf!=0.0 && (ob->ipoflag & OB_OFFS_OB) ) {
vec[0]-= ob->sf;
glColor3ub(0x10, 0x60, 0);
glBegin(GL_LINE_STRIP);
glVertex2fv(vec);
vec[1]= G.v2d->cur.ymin;
glVertex2fv(vec);
glEnd();
}
glLineWidth(1.0);
}
static void draw_channel_names(void)
{
short ofsx, ofsy = 0;
bAction *act;
bActionChannel *chan;
bConstraintChannel *conchan;
float x, y;
myortho2 (0, ACTWIDTH, G.v2d->cur.ymin, G.v2d->cur.ymax); // Scaling
/* Blank out the area */
if(curarea->winx>SCROLLB+10 && curarea->winy>SCROLLH+10) {
if(G.v2d->scroll) {
ofsx= curarea->winrct.xmin;
ofsy= curarea->winrct.ymin;
glViewport(ofsx, ofsy+G.v2d->mask.ymin-SCROLLB, ACTWIDTH, ( ofsy+G.v2d->mask.ymax)-( ofsy+G.v2d->mask.ymin-SCROLLB));
glScissor(ofsx, ofsy+G.v2d->mask.ymin-SCROLLB, ACTWIDTH, ( ofsy+G.v2d->mask.ymax)-( ofsy+G.v2d->mask.ymin-SCROLLB));
}
}
glClearColor(.8, .8, .8, 0.0);
glClear(GL_COLOR_BUFFER_BIT);
/* Clip to the scrollable area */
glColor3ub(0x00, 0x00, 0x00);
act=G.saction->action;
x = 0.0;
if (act) {
y= count_action_levels(act)*(CHANNELHEIGHT+CHANNELSKIP);
for (chan=act->chanbase.first; chan; chan=chan->next){
glColor3ub(0xAA, 0xAA, 0xAA);
glRectf(x, y-CHANNELHEIGHT/2, (float)ACTWIDTH, y+CHANNELHEIGHT/2);
if (chan->flag & ACHAN_SELECTED)
glColor3ub(255, 255, 255);
else
glColor3ub(0, 0, 0);
glRasterPos2f(x+8, y-4);
BMF_DrawString(G.font, chan->name);
y-=CHANNELHEIGHT+CHANNELSKIP;
/* Draw constraint channels */
for (conchan=chan->constraintChannels.first; conchan; conchan=conchan->next){
if (conchan->flag & CONSTRAINT_CHANNEL_SELECT)
glColor3ub(255, 255, 255);
else
glColor3ub(0, 0, 0);
glRasterPos2f(x+32, y-4);
BMF_DrawString(G.font, conchan->name);
y-=CHANNELHEIGHT+CHANNELSKIP;
}
}
}
myortho2 (0, ACTWIDTH, 0, ( ofsy+G.v2d->mask.ymax)-( ofsy+G.v2d->mask.ymin-SCROLLB)); // Scaling
glShadeModel(GL_SMOOTH);
y=9;
/* Draw sexy shaded block thingies */
glEnable (GL_BLEND);
glBegin(GL_QUAD_STRIP);
glColor4ub (0xCC,0xCC,0xCC,0x00);
glVertex2f (0,SCROLLB*2-y);
glVertex2f (ACTWIDTH,SCROLLB*2-y);
glColor4ub (0xCC,0xCC,0xCC,0xFF);
glVertex2f (0,SCROLLB-y);
glVertex2f (ACTWIDTH,SCROLLB-y);
glColor4ub (0xCC,0xCC,0xCC,0xFF);
glVertex2f (0,0-y);
glVertex2f (ACTWIDTH,0-y);
glEnd();
/* y=( ofsy+G.v2d->mask.ymax)-( ofsy+G.v2d->mask.ymin-SCROLLB);
glBegin(GL_QUAD_STRIP);
glColor4ub (0x88,0x88,0x88,0xFF);
glVertex2f (0,y);
glVertex2f (ACTWIDTH,y);
glColor4ub (0x88,0x88,0x88,0x00);
glVertex2f (0,y-SCROLLB);
glVertex2f (ACTWIDTH,y-SCROLLB);
glEnd();
*/
glDisable (GL_BLEND);
glShadeModel(GL_FLAT);
}
int count_action_levels(bAction *act)
{
int y=0;
bActionChannel *achan;
if (!act)
return 0;
for (achan=act->chanbase.first; achan; achan=achan->next){
y+=1;
y+=BLI_countlist(&achan->constraintChannels);
}
return y;
}
/** Draw a nicely beveled button (in screen space) */
void draw_bevel_but(int x, int y, int w, int h, int sel)
{
int xmin= x, ymin= y;
int xmax= x+w-1, ymax= y+h-1;
int i;
glColor3ub(0,0,0);
glBegin(GL_LINE_LOOP);
glVertex2i(xmin, ymin);
glVertex2i(xmax, ymin);
glVertex2i(xmax, ymax);
glVertex2i(xmin, ymax);
glEnd();
glBegin(GL_LINE_LOOP);
if (sel) glColor3ub(0xD0, 0x7E, 0x06);
else glColor3ub(0x8C, 0x8C, 0x8C);
glVertex2i(xmax-1, ymin+1);
glVertex2i(xmax-1, ymax-1);
if (sel) glColor3ub(0xF4, 0xEE, 0x8E);
else glColor3ub(0xDF, 0xDF, 0xDF);
glVertex2i(xmin+1, ymax-1);
glVertex2i(xmin+1, ymin+1);
glEnd();
if (sel) glColor3ub(0xF1, 0xCA, 0x13);
else glColor3ub(0xAC, 0xAC, 0xAC);
glBegin(GL_LINES);
for (i=xmin+2; i<=xmax-2; i++) {
glVertex2f(i, ymin+2);
glVertex2f(i, ymax-1);
}
glEnd();
}
static void draw_channel_strips(SpaceAction *saction)
{
rcti scr_rct;
gla2DDrawInfo *di;
bAction *act;
bActionChannel *chan;
bConstraintChannel *conchan;
float y;
act= saction->action;
if (!act)
return;
scr_rct.xmin= saction->area->winrct.xmin + ACTWIDTH;
scr_rct.ymin= saction->area->winrct.ymin + saction->v2d.mask.ymin-SCROLLB;
scr_rct.xmax= saction->area->winrct.xmin + saction->v2d.hor.xmax;
scr_rct.ymax= saction->area->winrct.ymin + saction->v2d.mask.ymax;
di= glaBegin2DDraw(&scr_rct, &G.v2d->cur);
y= count_action_levels(act)*(CHANNELHEIGHT+CHANNELSKIP);
for (chan=act->chanbase.first; chan; chan=chan->next){
int frame1_x, channel_y;
gla2DDrawTranslatePt(di, 1, y, &frame1_x, &channel_y);
glEnable(GL_BLEND);
if (chan->flag & ACHAN_SELECTED) glColor4b(0x11, 0x22, 0x55, 0x22);
else glColor4b(0x55, 0x22, 0x11, 0x22);
glRectf(0, channel_y-CHANNELHEIGHT/2, frame1_x, channel_y+CHANNELHEIGHT/2);
if (chan->flag & ACHAN_SELECTED) glColor4b(0x11, 0x22, 0x55, 0x44);
else glColor4b(0x55, 0x22, 0x11, 0x44);
glRectf(frame1_x, channel_y-CHANNELHEIGHT/2, G.v2d->hor.xmax, channel_y+CHANNELHEIGHT/2);
glDisable(GL_BLEND);
draw_ipo_channel(di, chan->ipo, 0, y);
/* Increment the step */
y-=CHANNELHEIGHT+CHANNELSKIP;
/* Draw constraint channels */
for (conchan=chan->constraintChannels.first; conchan; conchan=conchan->next){
gla2DDrawTranslatePt(di, 1, y, &frame1_x, &channel_y);
glEnable(GL_BLEND);
if (conchan->flag & ACHAN_SELECTED) glColor4b(0x11, 0x22, 0x55, 0x22);
else glColor4b(0x55, 0x22, 0x11, 0x22);
glRectf(0, channel_y-CHANNELHEIGHT/2+4, frame1_x, channel_y+CHANNELHEIGHT/2-4);
if (conchan->flag & ACHAN_SELECTED) glColor4b(0x11, 0x22, 0x55, 0x44);
else glColor4b(0x55, 0x22, 0x11, 0x44);
glRectf(frame1_x, channel_y-CHANNELHEIGHT/2+4, G.v2d->hor.xmax, channel_y+CHANNELHEIGHT/2-4);
glDisable(GL_BLEND);
draw_ipo_channel(di, conchan->ipo, 0, y);
y-=CHANNELHEIGHT+CHANNELSKIP;
}
}
glaEnd2DDraw(di);
}
void drawactionspace(void)
{
short ofsx = 0, ofsy = 0;
if (!G.saction)
return;
if (!G.saction->pin) {
if (OBACT)
G.saction->action = OBACT->action;
else
G.saction->action=NULL;
}
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA) ;
calc_scrollrcts(G.v2d, curarea->winx, curarea->winy);
if(curarea->winx>SCROLLB+10 && curarea->winy>SCROLLH+10) {
if(G.v2d->scroll) {
ofsx= curarea->winrct.xmin;
ofsy= curarea->winrct.ymin;
glViewport(ofsx+G.v2d->mask.xmin, ofsy+G.v2d->mask.ymin, ( ofsx+G.v2d->mask.xmax-1)-(ofsx+G.v2d->mask.xmin)+1, ( ofsy+G.v2d->mask.ymax-1)-( ofsy+G.v2d->mask.ymin)+1);
glScissor(ofsx+G.v2d->mask.xmin, ofsy+G.v2d->mask.ymin, ( ofsx+G.v2d->mask.xmax-1)-(ofsx+G.v2d->mask.xmin)+1, ( ofsy+G.v2d->mask.ymax-1)-( ofsy+G.v2d->mask.ymin)+1);
}
}
glClearColor(.45, .45, .45, 0.0);
glClear(GL_COLOR_BUFFER_BIT);
myortho2 (G.v2d->cur.xmin, G.v2d->cur.xmax, G.v2d->cur.ymin, G.v2d->cur.ymax);
/* Draw backdrop */
calc_ipogrid();
draw_ipogrid();
/* Draw channel strips */
draw_channel_strips(G.saction);
/* Draw current frame */
glViewport(ofsx+G.v2d->mask.xmin, ofsy+G.v2d->mask.ymin, ( ofsx+G.v2d->mask.xmax-1)-(ofsx+G.v2d->mask.xmin)+1, ( ofsy+G.v2d->mask.ymax-1)-( ofsy+G.v2d->mask.ymin)+1);
glScissor(ofsx+G.v2d->mask.xmin, ofsy+G.v2d->mask.ymin, ( ofsx+G.v2d->mask.xmax-1)-(ofsx+G.v2d->mask.xmin)+1, ( ofsy+G.v2d->mask.ymax-1)-( ofsy+G.v2d->mask.ymin)+1);
myortho2 (G.v2d->cur.xmin, G.v2d->cur.xmax, G.v2d->cur.ymin, G.v2d->cur.ymax);
draw_cfra_action();
/* Draw scroll */
mywinset(curarea->win);
if(curarea->winx>SCROLLB+10 && curarea->winy>SCROLLH+10) {
myortho2(-0.5, curarea->winx+0.5, -0.5, curarea->winy+0.5);
if(G.v2d->scroll) drawscroll(0);
}
/* Draw channel names */
draw_channel_names();
curarea->win_swap= WIN_BACK_OK;
}
void draw_channel_name(const char* name, short type, float ypos, int selected)
{
}
static void draw_keylist(gla2DDrawInfo *di, int totvert, BezTriple **blist, float ypos)
{
int v;
if (!blist)
return;
for (v = 0; v<totvert; v++){
if (v==0 || (blist[v]->vec[1][0] != blist[v-1]->vec[1][0])){
int sc_x, sc_y;
gla2DDrawTranslatePt(di, blist[v]->vec[1][0], ypos, &sc_x, &sc_y);
draw_bevel_but(sc_x-2, sc_y-5, 7, 13, (blist[v]->f2 & 1));
}
}
}
void draw_object_channel(gla2DDrawInfo *di, Object *ob, int flags, float ypos)
{
BezTriple **blist;
int totvert;
blist = ob_to_keylist(ob, flags, &totvert);
if (blist){
draw_keylist(di,totvert, blist, ypos);
MEM_freeN(blist);
}
}
void draw_ipo_channel(gla2DDrawInfo *di, Ipo *ipo, int flags, float ypos)
{
BezTriple **blist;
int totvert;
blist = ipo_to_keylist(ipo, flags, &totvert);
if (blist){
draw_keylist(di,totvert, blist, ypos);
MEM_freeN(blist);
}
}
void draw_action_channel(gla2DDrawInfo *di, bAction *act, int flags, float ypos)
{
BezTriple **blist;
int totvert;
blist = action_to_keylist(act, flags, &totvert);
if (blist){
draw_keylist(di,totvert, blist, ypos);
MEM_freeN(blist);
}
}
static BezTriple **ob_to_keylist(Object *ob, int flags, int *totvert)
{
IpoCurve *icu;
int v, count=0;
BezTriple **list = NULL;
if (ob){
/* Count Object Keys */
if (ob->ipo){
for (icu=ob->ipo->curve.first; icu; icu=icu->next){
count+=icu->totvert;
}
}
/* Count Constraint Keys */
/* Count object data keys */
/* Build the list */
if (count){
list = MEM_callocN(sizeof(BezTriple*)*count, "beztlist");
count=0;
/* Add object keyframes */
for (icu=ob->ipo->curve.first; icu; icu=icu->next){
for (v=0; v<icu->totvert; v++){
list[count++]=&icu->bezt[v];
}
}
/* Add constraint keyframes */
/* Add object data keyframes */
/* Sort */
qsort(list, count, sizeof(BezTriple*), bezt_compare);
}
}
(*totvert)=count;
return list;
}
static BezTriple **ipo_to_keylist(Ipo *ipo, int flags, int *totvert)
{
IpoCurve *icu;
int v, count=0;
BezTriple **list = NULL;
if (ipo){
/* Count required keys */
for (icu=ipo->curve.first; icu; icu=icu->next){
count+=icu->totvert;
}
/* Build the list */
if (count){
list = MEM_callocN(sizeof(BezTriple*)*count, "beztlist");
count=0;
for (icu=ipo->curve.first; icu; icu=icu->next){
for (v=0; v<icu->totvert; v++){
list[count++]=&icu->bezt[v];
}
}
qsort(list, count, sizeof(BezTriple*), bezt_compare);
}
}
(*totvert)=count;
return list;
}
static BezTriple **action_to_keylist(bAction *act, int flags, int *totvert)
{
IpoCurve *icu;
bActionChannel *achan;
bConstraintChannel *conchan;
int v, count=0;
BezTriple **list = NULL;
if (act){
/* Count required keys */
for (achan=act->chanbase.first; achan; achan=achan->next){
/* Count transformation keys */
for (icu=achan->ipo->curve.first; icu; icu=icu->next)
count+=icu->totvert;
/* Count constraint keys */
for (conchan=achan->constraintChannels.first; conchan; conchan=conchan->next)
for (icu=conchan->ipo->curve.first; icu; icu=icu->next)
count+=icu->totvert;
}
/* Build the list */
if (count){
list = MEM_callocN(sizeof(BezTriple*)*count, "beztlist");
count=0;
for (achan=act->chanbase.first; achan; achan=achan->next){
/* Add transformation keys */
for (icu=achan->ipo->curve.first; icu; icu=icu->next){
for (v=0; v<icu->totvert; v++)
list[count++]=&icu->bezt[v];
}
/* Add constraint keys */
for (conchan=achan->constraintChannels.first; conchan; conchan=conchan->next){
for (icu=conchan->ipo->curve.first; icu; icu=icu->next)
for (v=0; v<icu->totvert; v++)
list[count++]=&icu->bezt[v];
}
}
qsort(list, count, sizeof(BezTriple*), bezt_compare);
}
}
(*totvert)=count;
return list;
}