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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2009 Blender Foundation.
* All rights reserved.
*
*
* Contributor(s): Blender Foundation, Joshua Leung
*
* ***** END GPL LICENSE BLOCK *****
*/
#include <string.h>
#include <stdio.h>
#include <math.h>
#include <float.h>
#include "DNA_anim_types.h"
#include "DNA_action_types.h"
#include "DNA_object_types.h"
#include "DNA_space_types.h"
#include "DNA_scene_types.h"
#include "DNA_screen_types.h"
#include "DNA_userdef_types.h"
#include "MEM_guardedalloc.h"
#include "BLI_arithb.h"
#include "BLI_blenlib.h"
#include "BLI_editVert.h"
#include "BLI_rand.h"
#include "BKE_animsys.h"
#include "BKE_action.h"
#include "BKE_context.h"
#include "BKE_curve.h"
#include "BKE_customdata.h"
#include "BKE_depsgraph.h"
#include "BKE_fcurve.h"
#include "BKE_object.h"
#include "BKE_global.h"
#include "BKE_scene.h"
#include "BKE_screen.h"
#include "BKE_utildefines.h"
#include "BIF_gl.h"
#include "WM_api.h"
#include "WM_types.h"
#include "RNA_access.h"
#include "RNA_define.h"
#include "ED_anim_api.h"
#include "ED_keyframing.h"
#include "ED_screen.h"
#include "ED_types.h"
#include "ED_util.h"
#include "UI_interface.h"
#include "UI_resources.h"
#include "UI_view2d.h"
#include "graph_intern.h" // own include
/* ******************* graph editor space & buttons ************** */
#define B_NOP 1
#define B_REDR 2
/* -------------- */
static void do_graph_region_buttons(bContext *C, void *arg, int event)
{
//Scene *scene= CTX_data_scene(C);
switch(event) {
}
/* default for now */
//WM_event_add_notifier(C, NC_OBJECT|ND_TRANSFORM, ob);
}
static void graph_panel_properties(const bContext *C, ARegion *ar, short cntrl, bAnimListElem *ale)
{
FCurve *fcu= (FCurve *)ale->data;
uiBlock *block;
char name[128];
block= uiBeginBlock(C, ar, "graph_panel_properties", UI_EMBOSS, UI_HELV);
if (uiNewPanel(C, ar, block, "Properties", "Graph", 340, 30, 318, 254)==0) return;
uiBlockSetHandleFunc(block, do_graph_region_buttons, NULL);
/* to force height */
uiNewPanelHeight(block, 204);
/* Info - Active F-Curve */
uiDefBut(block, LABEL, 1, "Active F-Curve:", 10, 200, 150, 19, NULL, 0.0, 0.0, 0, 0, "");
if (ale->id) {
// icon of active blocktype - is this really necessary?
int icon= geticon_anim_blocktype(GS(ale->id->name));
// xxx type of icon-but is currently "LABEL", as that one is plain...
uiDefIconBut(block, LABEL, 1, icon, 10, 180, 20, 19, NULL, 0, 0, 0, 0, "ID-type that F-Curve belongs to");
}
getname_anim_fcurve(name, ale->id, fcu);
uiDefBut(block, LABEL, 1, name, 30, 180, 300, 19, NULL, 0.0, 0.0, 0, 0, "Name of Active F-Curve");
/* TODO: the following settings could be added here
* - F-Curve coloring mode - mode selector + color selector
* - Access details (ID-block + RNA-Path + Array Index)
* - ...
*/
}
/* ******************* drivers ******************************** */
#define B_IPO_DEPCHANGE 10
static void do_graph_region_driver_buttons(bContext *C, void *arg, int event)
{
Scene *scene= CTX_data_scene(C);
switch (event) {
case B_IPO_DEPCHANGE:
{
/* rebuild depsgraph for the new deps */
DAG_scene_sort(scene);
/* force an update of depsgraph */
ED_anim_dag_flush_update(C);
}
break;
}
/* default for now */
//WM_event_add_notifier(C, NC_OBJECT|ND_TRANSFORM, ob);
}
/* callback to copy over RNA-Paths accordingly */
static void driver_rnapath_copy_cb (bContext *C, void *driver_v, void *strbuf_v)
{
ChannelDriver *driver= (ChannelDriver *)driver_v;
char *stringBuf= (char *)strbuf_v;
/* copy over string */
if (driver->rna_path)
MEM_freeN(driver->rna_path);
driver->rna_path= BLI_strdupn(stringBuf, strlen(stringBuf));
}
/* callback to remove the active driver */
static void driver_remove_cb (bContext *C, void *ale_v, void *dummy_v)
{
bAnimListElem *ale= (bAnimListElem *)ale_v;
ID *id= ale->id;
FCurve *fcu= ale->data;
/* try to get F-Curve that driver lives on, and ID block which has this AnimData */
if (ELEM(NULL, id, fcu))
return;
/* call API method to remove this driver */
ANIM_remove_driver(id, fcu->rna_path, fcu->array_index, 0);
}
/* callback to reset the driver's flags */
static void driver_update_flags_cb (bContext *C, void *fcu_v, void *dummy_v)
{
FCurve *fcu= (FCurve *)fcu_v;
ChannelDriver *driver= fcu->driver;
/* clear invalid flags */
driver->flag &= ~DRIVER_FLAG_INVALID;
}
static void graph_panel_drivers(const bContext *C, ARegion *ar, short cntrl, bAnimListElem *ale)
{
FCurve *fcu= (FCurve *)ale->data;
ChannelDriver *driver= fcu->driver;
uiBlock *block;
uiBut *but;
block= uiBeginBlock(C, ar, "graph_panel_drivers", UI_EMBOSS, UI_HELV);
if (uiNewPanel(C, ar, block, "Drivers", "Graph", 340, 30, 318, 254)==0) return;
uiBlockSetHandleFunc(block, do_graph_region_driver_buttons, NULL);
/* to force height */
uiNewPanelHeight(block, 204);
/* general actions */
but= uiDefBut(block, BUT, B_IPO_DEPCHANGE, "Update Dependencies", 10, 200, 180, 22, NULL, 0.0, 0.0, 0, 0, "Force updates of dependencies");
uiButSetFunc(but, driver_update_flags_cb, fcu, NULL);
but= uiDefBut(block, BUT, B_IPO_DEPCHANGE, "Remove Driver", 200, 200, 110, 18, NULL, 0.0, 0.0, 0, 0, "Remove this driver");
uiButSetFunc(but, driver_remove_cb, ale, NULL);
/* type */
uiDefBut(block, LABEL, 1, "Type:", 10, 170, 60, 20, NULL, 0.0, 0.0, 0, 0, "");
uiDefButI(block, MENU, B_IPO_DEPCHANGE,
"Driver Type%t|Transform Channel%x0|Scripted Expression%x1|Rotational Difference%x2",
70,170,230,20, &driver->type, 0, 0, 0, 0, "Driver type");
/* buttons to draw depends on type of driver */
if (driver->type == DRIVER_TYPE_PYTHON) { /* PyDriver */
uiDefBut(block, TEX, B_REDR, "Expr: ", 10,130,300,20, driver->expression, 0, 255, 0, 0, "One-liner Python Expression to use as Scripted Expression");
/* errors */
if (driver->flag & DRIVER_FLAG_INVALID) {
uiDefIconBut(block, LABEL, 1, ICON_ERROR, 10, 110, 32, 32, NULL, 0, 0, 0, 0, ""); // a bit larger
uiDefBut(block, LABEL, 0, "Error: invalid Python expression",
30,110,230,19, NULL, 0, 0, 0, 0, "");
}
}
else { /* Channel or RotDiff - RotDiff just has extra settings */
/* Driver Object */
uiDefIDPoinBut(block, test_obpoin_but, ID_OB, B_REDR,
"Ob: ", 10, 130, 150, 20, &driver->id, "Object to use as Driver target");
// XXX should we hide these technical details?
if (driver->id) {
static char pathBuf[512]; /* bad... evil... */
/* Array Index */
// XXX ideally this is grouped with the path, but that can get quite long...
uiDefButI(block, NUM, B_REDR, "Index: ", 170,130,140,20, &driver->array_index, 0, INT_MAX, 0, 0, "Index to the specific property used as Driver if applicable.");
/* RNA Path */
if (driver->rna_path == NULL)
pathBuf[0]= '\0';
else
BLI_snprintf(pathBuf, 512, driver->rna_path);
but= uiDefButC(block, TEX, B_REDR, "Path: ", 10,100,300,20, pathBuf, 0, 511, 0, 0, "RNA Path (from Driver Object) to property used as Driver.");
uiButSetFunc(but, driver_rnapath_copy_cb, driver, pathBuf);
}
/* for rotational difference, show second target... */
if (driver->type == DRIVER_TYPE_ROTDIFF) {
// TODO...
}
/* errors */
if (driver->flag & DRIVER_FLAG_INVALID) {
uiDefIconBut(block, LABEL, 1, ICON_ERROR, 10, 70, 32, 32, NULL, 0, 0, 0, 0, ""); // a bit larger
uiDefBut(block, LABEL, 0, "Error: invalid target channel",
30,70,230,19, NULL, 0, 0, 0, 0, "");
}
}
}
/* ******************* f-modifiers ******************************** */
#define B_FMODIFIER_REDRAW 20
static void do_graph_region_modifier_buttons(bContext *C, void *arg, int event)
{
switch (event) {
case B_REDR:
case B_FMODIFIER_REDRAW: // XXX this should send depsgraph updates too
ED_area_tag_redraw(CTX_wm_area(C));
return; /* no notifier! */
}
}
/* macro for use here to draw background box and set height */
// XXX for now, roundbox has it's callback func set to NULL to not intercept events
#define DRAW_BACKDROP(height) \
{ \
if (active) uiBlockSetCol(block, TH_BUT_ACTION); \
but= uiDefBut(block, ROUNDBOX, B_REDR, "", 10-8, *yco-height, width, height-1, NULL, 5.0, 0.0, 12.0, (float)rb_col, ""); \
uiButSetFunc(but, NULL, NULL, NULL); \
if (active) uiBlockSetCol(block, TH_AUTO); \
}
/* callback to verify modifier data */
static void validate_fmodifier_cb (bContext *C, void *fcu_v, void *fcm_v)
{
FModifier *fcm= (FModifier *)fcm_v;
FModifierTypeInfo *fmi= fmodifier_get_typeinfo(fcm);
/* call the verify callback on the modifier if applicable */
if (fmi && fmi->verify_data)
fmi->verify_data(fcm);
}
/* callback to set the active modifier */
static void activate_fmodifier_cb (bContext *C, void *fcu_v, void *fcm_v)
{
FCurve *fcu= (FCurve *)fcu_v;
FModifier *fcm= (FModifier *)fcm_v;
/* call API function to set the active modifier for active F-Curve */
fcurve_set_active_modifier(fcu, fcm);
}
/* callback to remove the given modifier */
static void delete_fmodifier_cb (bContext *C, void *fcu_v, void *fcm_v)
{
FCurve *fcu= (FCurve *)fcu_v;
FModifier *fcm= (FModifier *)fcm_v;
/* remove the given F-Modifier from the F-Curve */
fcurve_remove_modifier(fcu, fcm);
}
/* --------------- */
/* draw settings for generator modifier */
static void draw_modifier__generator(uiBlock *block, FCurve *fcu, FModifier *fcm, int *yco, short *height, short width, short active, int rb_col)
{
FMod_Generator *data= (FMod_Generator *)fcm->data;
char gen_mode[]="Generator Type%t|Expanded Polynomial%x0|Factorised Polynomial%x1|Built-In Function%x2|Expression%x3";
char fn_type[]="Built-In Function%t|Sin%x0|Cos%x1|Tan%x2|Square Root%x3|Natural Log%x4";
int cy= *yco - 30;
uiBut *but;
/* set the height */
(*height) = 90;
switch (data->mode) {
case FCM_GENERATOR_POLYNOMIAL: /* polynomial expression */
(*height) += 20*(data->poly_order+1) + 35;
break;
case FCM_GENERATOR_POLYNOMIAL_FACTORISED: /* factorised polynomial */
(*height) += 20 * data->poly_order;
break;
case FCM_GENERATOR_FUNCTION: /* builtin function */
(*height) += 50; // xxx
break;
case FCM_GENERATOR_EXPRESSION: /* py-expression */
// xxx nothing to draw
break;
}
/* basic settings (backdrop + mode selector + some padding) */
//DRAW_BACKDROP((*height)); // XXX buggy...
uiBlockBeginAlign(block);
but= uiDefButS(block, MENU, B_FMODIFIER_REDRAW, gen_mode, 10,cy,width-30,19, &data->mode, 0, 0, 0, 0, "Selects type of generator algorithm.");
uiButSetFunc(but, validate_fmodifier_cb, fcu, fcm);
cy -= 20;
uiDefButBitS(block, TOG, FCM_GENERATOR_ADDITIVE, B_FMODIFIER_REDRAW, "Additive", 10,cy,width-30,19, &data->flag, 0, 0, 0, 0, "Values generated by this modifier are applied on top of the existing values instead of overwriting them");
cy -= 35;
uiBlockEndAlign(block);
/* now add settings for individual modes */
switch (data->mode) {
case FCM_GENERATOR_POLYNOMIAL: /* polynomial expression */
{
float *cp = NULL;
char xval[32];
unsigned int i;
/* draw polynomial order selector */
but= uiDefButS(block, NUM, B_FMODIFIER_REDRAW, "Poly Order: ", 10,cy,width-30,19, &data->poly_order, 1, 100, 0, 0, "'Order' of the Polynomial - for a polynomial with n terms, 'order' is n-1");
uiButSetFunc(but, validate_fmodifier_cb, fcu, fcm);
cy -= 35;
/* draw controls for each coefficient and a + sign at end of row */
uiDefBut(block, LABEL, 1, "y = ", 0, cy, 50, 20, NULL, 0.0, 0.0, 0, 0, "");
cp= data->coefficients;
for (i=0; (i < data->arraysize) && (cp); i++, cp++) {
/* coefficient */
uiDefButF(block, NUM, B_FMODIFIER_REDRAW, "", 50, cy, 150, 20, cp, -FLT_MAX, FLT_MAX, 10, 3, "Coefficient for polynomial");
/* 'x' param (and '+' if necessary) */
if (i == 0)
strcpy(xval, "");
else if (i == 1)
strcpy(xval, "x");
else
sprintf(xval, "x^%d", i);
uiDefBut(block, LABEL, 1, xval, 200, cy, 50, 20, NULL, 0.0, 0.0, 0, 0, "Power of x");
if ( (i != (data->arraysize - 1)) || ((i==0) && data->arraysize==2) )
uiDefBut(block, LABEL, 1, "+", 250, cy, 30, 20, NULL, 0.0, 0.0, 0, 0, "");
cy -= 20;
}
}
break;
case FCM_GENERATOR_POLYNOMIAL_FACTORISED: /* factorised polynomial expression */
{
float *cp = NULL;
unsigned int i;
/* draw polynomial order selector */
but= uiDefButS(block, NUM, B_FMODIFIER_REDRAW, "Poly Order: ", 10,cy,width-30,19, &data->poly_order, 1, 100, 0, 0, "'Order' of the Polynomial - for a polynomial with n terms, 'order' is n-1");
uiButSetFunc(but, validate_fmodifier_cb, fcu, fcm);
cy -= 35;
/* draw controls for each pair of coefficients */
uiDefBut(block, LABEL, 1, "y = ", 0, cy, 50, 20, NULL, 0.0, 0.0, 0, 0, "");
cp= data->coefficients;
for (i=0; (i < data->poly_order) && (cp); i++, cp+=2) {
/* opening bracket */
uiDefBut(block, LABEL, 1, "(", 40, cy, 50, 20, NULL, 0.0, 0.0, 0, 0, "");
/* coefficients */
uiDefButF(block, NUM, B_FMODIFIER_REDRAW, "", 50, cy, 100, 20, cp, -FLT_MAX, FLT_MAX, 10, 3, "Coefficient of x");
uiDefBut(block, LABEL, 1, "x + ", 150, cy, 30, 20, NULL, 0.0, 0.0, 0, 0, "");
uiDefButF(block, NUM, B_FMODIFIER_REDRAW, "", 180, cy, 100, 20, cp+1, -FLT_MAX, FLT_MAX, 10, 3, "Second coefficient");
/* closing bracket and '+' sign */
if ( (i != (data->poly_order - 1)) || ((i==0) && data->poly_order==2) )
uiDefBut(block, LABEL, 1, ") ×", 280, cy, 30, 20, NULL, 0.0, 0.0, 0, 0, "");
else
uiDefBut(block, LABEL, 1, ")", 280, cy, 30, 20, NULL, 0.0, 0.0, 0, 0, "");
cy -= 20;
}
}
break;
case FCM_GENERATOR_FUNCTION: /* built-in function */
{
float *cp= data->coefficients;
/* draw function selector */
but= uiDefButS(block, MENU, B_FMODIFIER_REDRAW, fn_type, 10,cy,width-30,19, &data->func_type, 0, 0, 0, 0, "Built-In Function to use");
uiButSetFunc(but, validate_fmodifier_cb, fcu, fcm);
cy -= 35;
/* draw controls for equation of coefficients */
/* row 1 */
{
uiDefBut(block, LABEL, 1, "y = ", 0, cy, 50, 20, NULL, 0.0, 0.0, 0, 0, "");
uiDefButF(block, NUM, B_FMODIFIER_REDRAW, "", 50, cy, 150, 20, cp+3, -FLT_MAX, FLT_MAX, 10, 3, "Coefficient (D) for function");
uiDefBut(block, LABEL, 1, "+", 200, cy, 30, 20, NULL, 0.0, 0.0, 0, 0, "");
cy -= 20;
}
/* row 2 */
{
char func_name[32];
/* coefficient outside bracket */
uiDefButF(block, NUM, B_FMODIFIER_REDRAW, "", 0, cy, 80, 20, cp, -FLT_MAX, FLT_MAX, 10, 3, "Coefficient (A) for function");
/* opening bracket */
switch (data->func_type)
{
case FCM_GENERATOR_FN_SIN: /* sine wave */
sprintf(func_name, "sin(");
break;
case FCM_GENERATOR_FN_COS: /* cosine wave */
sprintf(func_name, "cos(");
break;
case FCM_GENERATOR_FN_TAN: /* tangent wave */
sprintf(func_name, "tan(");
break;
case FCM_GENERATOR_FN_LN: /* natural log */
sprintf(func_name, "ln(");
break;
case FCM_GENERATOR_FN_SQRT: /* square root */
sprintf(func_name, "sqrt(");
break;
default: /* unknown */
sprintf(func_name, "<fn?>(");
break;
}
uiDefBut(block, LABEL, 1, func_name, 80, cy, 40, 20, NULL, 0.0, 0.0, 0, 0, "");
/* coefficients inside bracket */
uiDefButF(block, NUM, B_FMODIFIER_REDRAW, "", 115, cy, 75, 20, cp+1, -FLT_MAX, FLT_MAX, 10, 3, "Coefficient (B) of x");
uiDefBut(block, LABEL, 1, "x+", 190, cy, 30, 20, NULL, 0.0, 0.0, 0, 0, "");
uiDefButF(block, NUM, B_FMODIFIER_REDRAW, "", 220, cy, 80, 20, cp+2, -FLT_MAX, FLT_MAX, 10, 3, "Coefficient (C) of function");
/* closing bracket */
uiDefBut(block, LABEL, 1, ")", 300, cy, 30, 20, NULL, 0.0, 0.0, 0, 0, "");
cy -= 20;
}
}
break;
case FCM_GENERATOR_EXPRESSION: /* py-expression */
// TODO...
break;
}
}
/* --------------- */
/* draw settings for cycles modifier */
static void draw_modifier__cycles(uiBlock *block, FCurve *fcu, FModifier *fcm, int *yco, short *height, short width, short active, int rb_col)
{
FMod_Cycles *data= (FMod_Cycles *)fcm->data;
char cyc_mode[]="Cycling Mode%t|No Cycles%x0|Repeat Motion%x1|Repeat with Offset%x2";
int cy= (*yco - 30), cy1= (*yco - 50), cy2= (*yco - 70);
/* set the height */
(*height) = 90;
/* basic settings (backdrop + some padding) */
//DRAW_BACKDROP((*height)); // XXX buggy...
/* 'before' range */
uiDefBut(block, LABEL, 1, "Before:", 10, cy, 80, 20, NULL, 0.0, 0.0, 0, 0, "Settings for cycling before first keyframe");
uiBlockBeginAlign(block);
uiDefButS(block, MENU, B_FMODIFIER_REDRAW, cyc_mode, 10,cy1,150,20, &data->before_mode, 0, 0, 0, 0, "Cycling mode to use before first keyframe");
uiDefButS(block, NUM, B_FMODIFIER_REDRAW, "Max Cycles:", 10, cy2, 150, 20, &data->before_cycles, 0, 10000, 10, 3, "Maximum number of cycles to allow (0 = infinite)");
uiBlockEndAlign(block);
/* 'after' range */
uiDefBut(block, LABEL, 1, "After:", 160, cy, 80, 20, NULL, 0.0, 0.0, 0, 0, "Settings for cycling after last keyframe");
uiBlockBeginAlign(block);
uiDefButS(block, MENU, B_FMODIFIER_REDRAW, cyc_mode, 170,cy1,150,20, &data->after_mode, 0, 0, 0, 0, "Cycling mode to use after first keyframe");
uiDefButS(block, NUM, B_FMODIFIER_REDRAW, "Max Cycles:", 170, cy2, 150, 20, &data->after_cycles, 0, 10000, 10, 3, "Maximum number of cycles to allow (0 = infinite)");
uiBlockEndAlign(block);
}
/* --------------- */
#define BINARYSEARCH_FRAMEEQ_THRESH 0.0001
/* Binary search algorithm for finding where to insert Envelope Data Point.
* Returns the index to insert at (data already at that index will be offset if replace is 0)
*/
static int binarysearch_fcm_envelopedata_index (FCM_EnvelopeData array[], float frame, int arraylen, short *exists)
{
int start=0, end=arraylen;
int loopbreaker= 0, maxloop= arraylen * 2;
/* initialise exists-flag first */
*exists= 0;
/* sneaky optimisations (don't go through searching process if...):
* - keyframe to be added is to be added out of current bounds
* - keyframe to be added would replace one of the existing ones on bounds
*/
if ((arraylen <= 0) || (array == NULL)) {
printf("Warning: binarysearch_fcm_envelopedata_index() encountered invalid array \n");
return 0;
}
else {
/* check whether to add before/after/on */
float framenum;
/* 'First' Point (when only one point, this case is used) */
framenum= array[0].time;
if (IS_EQT(frame, framenum, BINARYSEARCH_FRAMEEQ_THRESH)) {
*exists = 1;
return 0;
}
else if (frame < framenum)
return 0;
/* 'Last' Point */
framenum= array[(arraylen-1)].time;
if (IS_EQT(frame, framenum, BINARYSEARCH_FRAMEEQ_THRESH)) {
*exists= 1;
return (arraylen - 1);
}
else if (frame > framenum)
return arraylen;
}
/* most of the time, this loop is just to find where to put it
* - 'loopbreaker' is just here to prevent infinite loops
*/
for (loopbreaker=0; (start <= end) && (loopbreaker < maxloop); loopbreaker++) {
/* compute and get midpoint */
int mid = start + ((end - start) / 2); /* we calculate the midpoint this way to avoid int overflows... */
float midfra= array[mid].time;
/* check if exactly equal to midpoint */
if (IS_EQT(frame, midfra, BINARYSEARCH_FRAMEEQ_THRESH)) {
*exists = 1;
return mid;
}
/* repeat in upper/lower half */
if (frame > midfra)
start= mid + 1;
else if (frame < midfra)
end= mid - 1;
}
/* print error if loop-limit exceeded */
if (loopbreaker == (maxloop-1)) {
printf("Error: binarysearch_fcm_envelopedata_index() was taking too long \n");
// include debug info
printf("\tround = %d: start = %d, end = %d, arraylen = %d \n", loopbreaker, start, end, arraylen);
}
/* not found, so return where to place it */
return start;
}
/* callback to add new envelope data point */
// TODO: should we have a separate file for things like this?
static void fmod_envelope_addpoint_cb (bContext *C, void *fcm_dv, void *dummy)
{
Scene *scene= CTX_data_scene(C);
FMod_Envelope *env= (FMod_Envelope *)fcm_dv;
FCM_EnvelopeData *fedn;
FCM_EnvelopeData fed;
/* init template data */
fed.min= -1.0f;
fed.max= 1.0f;
fed.time= (float)scene->r.cfra; // XXX make this int for ease of use?
fed.f1= fed.f2= 0;
/* check that no data exists for the current frame... */
if (env->data) {
short exists = -1;
int i= binarysearch_fcm_envelopedata_index(env->data, (float)(scene->r.cfra), env->totvert, &exists);
/* binarysearch_...() will set exists by default to 0, so if it is non-zero, that means that the point exists already */
if (exists)
return;
/* add new */
fedn= MEM_callocN((env->totvert+1)*sizeof(FCM_EnvelopeData), "FCM_EnvelopeData");
/* add the points that should occur before the point to be pasted */
if (i > 0)
memcpy(fedn, env->data, i*sizeof(FCM_EnvelopeData));
/* add point to paste at index i */
*(fedn + i)= fed;
/* add the points that occur after the point to be pasted */
if (i < env->totvert)
memcpy(fedn+i+1, env->data+i, (env->totvert-i)*sizeof(FCM_EnvelopeData));
/* replace (+ free) old with new */
MEM_freeN(env->data);
env->data= fedn;
env->totvert++;
}
else {
env->data= MEM_callocN(sizeof(FCM_EnvelopeData), "FCM_EnvelopeData");
*(env->data)= fed;
env->totvert= 1;
}
}
/* callback to remove envelope data point */
// TODO: should we have a separate file for things like this?
static void fmod_envelope_deletepoint_cb (bContext *C, void *fcm_dv, void *ind_v)
{
FMod_Envelope *env= (FMod_Envelope *)fcm_dv;
FCM_EnvelopeData *fedn;
int index= GET_INT_FROM_POINTER(ind_v);
/* check that no data exists for the current frame... */
if (env->totvert > 1) {
/* allocate a new smaller array */
fedn= MEM_callocN(sizeof(FCM_EnvelopeData)*(env->totvert-1), "FCM_EnvelopeData");
memcpy(fedn, &env->data, sizeof(FCM_EnvelopeData)*(index));
memcpy(&fedn[index], &env->data[index+1], sizeof(FCM_EnvelopeData)*(env->totvert-index-1));
/* free old array, and set the new */
MEM_freeN(env->data);
env->data= fedn;
env->totvert--;
}
else {
/* just free array, since the only vert was deleted */
if (env->data)
MEM_freeN(env->data);
env->totvert= 0;
}
}
/* draw settings for envelope modifier */
static void draw_modifier__envelope(uiBlock *block, FCurve *fcu, FModifier *fcm, int *yco, short *height, short width, short active, int rb_col)
{
FMod_Envelope *env= (FMod_Envelope *)fcm->data;
FCM_EnvelopeData *fed;
uiBut *but;
int cy= (*yco - 30);
int i;
/* set the height:
* - basic settings + variable height from envelope controls
*/
(*height) = 96 + (25 * env->totvert);
/* basic settings (backdrop + general settings + some padding) */
//DRAW_BACKDROP((*height)); // XXX buggy...
/* General Settings */
uiDefBut(block, LABEL, 1, "Envelope:", 10, cy, 100, 20, NULL, 0.0, 0.0, 0, 0, "Settings for cycling before first keyframe");
cy -= 20;
uiBlockBeginAlign(block);
uiDefButF(block, NUM, B_FMODIFIER_REDRAW, "Reference Val:", 10, cy, 300, 20, &env->midval, -FLT_MAX, FLT_MAX, 10, 3, "");
cy -= 20;
uiDefButF(block, NUM, B_FMODIFIER_REDRAW, "Min:", 10, cy, 150, 20, &env->min, -FLT_MAX, env->max, 10, 3, "Minimum value (relative to Reference Value) that is used as the 'normal' minimum value");
uiDefButF(block, NUM, B_FMODIFIER_REDRAW, "Max:", 160, cy, 150, 20, &env->max, env->min, FLT_MAX, 10, 3, "Maximum value (relative to Reference Value) that is used as the 'normal' maximum value");
cy -= 35;
uiBlockEndAlign(block);
/* Points header */
uiDefBut(block, LABEL, 1, "Control Points:", 10, cy, 150, 20, NULL, 0.0, 0.0, 0, 0, "");
but= uiDefBut(block, BUT, B_FMODIFIER_REDRAW, "Add Point", 160,cy,150,19, NULL, 0, 0, 0, 0, "Adds a new control-point to the envelope on the current frame");
uiButSetFunc(but, fmod_envelope_addpoint_cb, env, NULL);
cy -= 35;
/* Points List */
for (i=0, fed=env->data; i < env->totvert; i++, fed++) {
uiBlockBeginAlign(block);
but=uiDefButF(block, NUM, B_FMODIFIER_REDRAW, "Fra:", 5, cy, 100, 20, &fed->time, -FLT_MAX, FLT_MAX, 10, 3, "Frame that envelope point occurs");
uiButSetFunc(but, validate_fmodifier_cb, fcu, fcm);
uiDefButF(block, NUM, B_FMODIFIER_REDRAW, "Min:", 105, cy, 100, 20, &fed->min, -FLT_MAX, FLT_MAX, 10, 3, "Minimum bound of envelope at this point");
uiDefButF(block, NUM, B_FMODIFIER_REDRAW, "Max:", 205, cy, 100, 20, &fed->max, -FLT_MAX, FLT_MAX, 10, 3, "Maximum bound of envelope at this point");
but= uiDefIconBut(block, BUT, B_FMODIFIER_REDRAW, ICON_X, 305, cy, 20, 20, NULL, 0.0, 0.0, 0.0, 0.0, "Delete envelope control point");
uiButSetFunc(but, fmod_envelope_deletepoint_cb, env, SET_INT_IN_POINTER(i));
uiBlockBeginAlign(block);
cy -= 25;
}
}
/* --------------- */
static void graph_panel_modifier_draw(uiBlock *block, FCurve *fcu, FModifier *fcm, int *yco)
{
FModifierTypeInfo *fmi= fmodifier_get_typeinfo(fcm);
uiBut *but;
short active= (fcm->flag & FMODIFIER_FLAG_ACTIVE);
short width= 314;
short height = 0;
int rb_col;
/* draw header */
{
uiBlockSetEmboss(block, UI_EMBOSSN);
/* rounded header */
#if 0 // XXX buggy...
if (active) uiBlockSetCol(block, TH_BUT_ACTION);
rb_col= (active)?-20:20;
but= uiDefBut(block, ROUNDBOX, B_REDR, "", 10-8, *yco-2, width, 24, NULL, 5.0, 0.0, 15.0, (float)(rb_col-20), "");
if (active) uiBlockSetCol(block, TH_AUTO);
#endif // XXX buggy
/* expand */
uiDefIconButBitS(block, ICONTOG, FMODIFIER_FLAG_EXPANDED, B_REDR, ICON_TRIA_RIGHT, 5, *yco-1, 20, 20, &fcm->flag, 0.0, 0.0, 0, 0, "Modifier is expanded");
/* checkbox for 'active' status (for now) */
but= uiDefIconButBitS(block, ICONTOG, FMODIFIER_FLAG_ACTIVE, B_REDR, ICON_RADIOBUT_OFF, 25, *yco-1, 20, 20, &fcm->flag, 0.0, 0.0, 0, 0, "Modifier is active one");
uiButSetFunc(but, activate_fmodifier_cb, fcu, fcm);
/* name */
if (fmi)
but= uiDefBut(block, LABEL, 1, fmi->name, 10+40, *yco, 240, 20, NULL, 0.0, 0.0, 0, 0, "F-Curve Modifier Type. Click to make modifier active one.");
else
but= uiDefBut(block, LABEL, 1, "<Unknown Modifier>", 10+40, *yco, 240, 20, NULL, 0.0, 0.0, 0, 0, "F-Curve Modifier Type. Click to make modifier active one.");
/* delete button */
but= uiDefIconBut(block, BUT, B_REDR, ICON_X, 10+(width-30), *yco, 19, 19, NULL, 0.0, 0.0, 0.0, 0.0, "Delete F-Curve Modifier.");
uiButSetFunc(but, delete_fmodifier_cb, fcu, fcm);
uiBlockSetEmboss(block, UI_EMBOSS);
}
/* when modifier is expanded, draw settings */
if (fcm->flag & FMODIFIER_FLAG_EXPANDED) {
/* draw settings for individual modifiers */
switch (fcm->type) {
case FMODIFIER_TYPE_GENERATOR: /* Generator */
draw_modifier__generator(block, fcu, fcm, yco, &height, width, active, rb_col);
break;
case FMODIFIER_TYPE_CYCLES: /* Cycles */
draw_modifier__cycles(block, fcu, fcm, yco, &height, width, active, rb_col);
break;
case FMODIFIER_TYPE_ENVELOPE: /* Envelope */
draw_modifier__envelope(block, fcu, fcm, yco, &height, width, active, rb_col);
break;
default: /* unknown type */
height= 96;
//DRAW_BACKDROP(height); // XXX buggy...
break;
}
}
/* adjust height for new to start */
(*yco) -= (height + 27);
}
static void graph_panel_modifiers(const bContext *C, ARegion *ar, short cntrl, bAnimListElem *ale)
{
FCurve *fcu= (FCurve *)ale->data;
FModifier *fcm;
uiBlock *block;
int yco= 190;
block= uiBeginBlock(C, ar, "graph_panel_modifiers", UI_EMBOSS, UI_HELV);
if (uiNewPanel(C, ar, block, "Modifiers", "Graph", 340, 30, 318, 254)==0) return;
uiBlockSetHandleFunc(block, do_graph_region_modifier_buttons, NULL);
uiNewPanelHeight(block, 204);
/* 'add modifier' button at top of panel */
// XXX for now, this will be a operator button which calls a temporary 'add modifier' operator
uiDefButO(block, BUT, "GRAPHEDIT_OT_fmodifier_add", WM_OP_INVOKE_REGION_WIN, "Add Modifier", 10, 225, 150, 20, "Adds a new F-Curve Modifier for the active F-Curve");
/* draw each modifier */
for (fcm= fcu->modifiers.first; fcm; fcm= fcm->next)
graph_panel_modifier_draw(block, fcu, fcm, &yco);
/* since these buttons can have variable height */
if (yco < 0)
uiNewPanelHeight(block, (204 - yco));
else
uiNewPanelHeight(block, 204);
}
/* ******************* general ******************************** */
/* Find 'active' F-Curve. It must be editable, since that's the purpose of these buttons (subject to change).
* We return the 'wrapper' since it contains valuable context info (about hierarchy), which will need to be freed
* when the caller is done with it.
*/
// TODO: move this to anim api with another name?
bAnimListElem *get_active_fcurve_channel (bAnimContext *ac)
{
ListBase anim_data = {NULL, NULL};
int filter= (ANIMFILTER_VISIBLE | ANIMFILTER_FOREDIT | ANIMFILTER_ACTIVE | ANIMFILTER_CURVESONLY);
int items = ANIM_animdata_filter(ac, &anim_data, filter, ac->data, ac->datatype);
/* We take the first F-Curve only, since some other ones may have had 'active' flag set
* if they were from linked data.
*/
if (items) {
bAnimListElem *ale= (bAnimListElem *)anim_data.first;
/* remove first item from list, then free the rest of the list and return the stored one */
BLI_remlink(&anim_data, ale);
BLI_freelistN(&anim_data);
return ale;
}
/* no active F-Curve */
return NULL;
}
void graph_region_buttons(const bContext *C, ARegion *ar)
{
SpaceIpo *sipo= (SpaceIpo *)CTX_wm_space_data(C);
bAnimContext ac;
bAnimListElem *ale= NULL;
/* for now, only draw if we could init the anim-context info (necessary for all animation-related tools)
* to work correctly is able to be correctly retrieved. There's no point showing empty panels?
*/
if (ANIM_animdata_get_context(C, &ac) == 0)
return;
/* try to find 'active' F-Curve */
ale= get_active_fcurve_channel(&ac);
if (ale == NULL)
return;
uiBeginPanels(C, ar);
/* for now, the properties panel displays info about the selected channels */
graph_panel_properties(C, ar, 0, ale);
/* driver settings for active F-Curve (only for 'Drivers' mode) */
if (sipo->mode == SIPO_MODE_DRIVERS)
graph_panel_drivers(C, ar, 0, ale);
/* modifiers */
graph_panel_modifiers(C, ar, 0, ale);
uiEndPanels(C, ar);
/* free temp data */
MEM_freeN(ale);
}
static int graph_properties(bContext *C, wmOperator *op)
{
ScrArea *sa= CTX_wm_area(C);
ARegion *ar= graph_has_buttons_region(sa);
if(ar) {
ar->flag ^= RGN_FLAG_HIDDEN;
ar->v2d.flag &= ~V2D_IS_INITIALISED; /* XXX should become hide/unhide api? */
ED_area_initialize(CTX_wm_manager(C), CTX_wm_window(C), sa);
ED_area_tag_redraw(sa);
}
return OPERATOR_FINISHED;
}
void GRAPHEDIT_OT_properties(wmOperatorType *ot)
{
ot->name= "Properties";
ot->idname= "GRAPHEDIT_OT_properties";
ot->exec= graph_properties;
ot->poll= ED_operator_ipo_active; // xxx
/* flags */
ot->flag= 0;
}
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