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blender-archive/source/blender/editors/animation/keyframes_draw.c
Campbell Barton 2abfcebb0e Cleanup: use C comments for descriptive text 
Follow our code style guide by using C-comments for text descriptions.
2020-10-10 22:04:51 +11:00

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/*
* 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.
*/
/** \file
* \ingroup edanimation
*/
/* System includes ----------------------------------------------------- */
#include <float.h>
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include "MEM_guardedalloc.h"
#include "BLI_dlrbTree.h"
#include "BLI_listbase.h"
#include "BLI_math.h"
#include "BLI_rect.h"
#include "BLI_utildefines.h"
#include "DNA_anim_types.h"
#include "DNA_brush_types.h"
#include "DNA_cachefile_types.h"
#include "DNA_gpencil_types.h"
#include "DNA_mask_types.h"
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "BKE_fcurve.h"
#include "GPU_immediate.h"
#include "GPU_state.h"
#include "UI_resources.h"
#include "UI_view2d.h"
#include "ED_anim_api.h"
#include "ED_keyframes_draw.h"
/* *************************** Keyframe Processing *************************** */
/* ActKeyColumns (Keyframe Columns) ------------------------------------------ */
BLI_INLINE bool is_cfra_eq(float a, float b)
{
return IS_EQT(a, b, BEZT_BINARYSEARCH_THRESH);
}
BLI_INLINE bool is_cfra_lt(float a, float b)
{
return (b - a) > BEZT_BINARYSEARCH_THRESH;
}
/* Comparator callback used for ActKeyColumns and cframe float-value pointer */
/* NOTE: this is exported to other modules that use the ActKeyColumns for finding keyframes */
short compare_ak_cfraPtr(void *node, void *data)
{
ActKeyColumn *ak = (ActKeyColumn *)node;
const float *cframe = data;
float val = *cframe;
if (is_cfra_eq(val, ak->cfra)) {
return 0;
}
if (val < ak->cfra) {
return -1;
}
return 1;
}
/* --------------- */
/* Set of references to three logically adjacent keys. */
typedef struct BezTripleChain {
/* Current keyframe. */
BezTriple *cur;
/* Logical neighbors. May be NULL. */
BezTriple *prev, *next;
} BezTripleChain;
/* Categorize the interpolation & handle type of the keyframe. */
static eKeyframeHandleDrawOpts bezt_handle_type(BezTriple *bezt)
{
if (bezt->h1 == HD_AUTO_ANIM && bezt->h2 == HD_AUTO_ANIM) {
return KEYFRAME_HANDLE_AUTO_CLAMP;
}
if (ELEM(bezt->h1, HD_AUTO_ANIM, HD_AUTO) && ELEM(bezt->h2, HD_AUTO_ANIM, HD_AUTO)) {
return KEYFRAME_HANDLE_AUTO;
}
if (bezt->h1 == HD_VECT && bezt->h2 == HD_VECT) {
return KEYFRAME_HANDLE_VECTOR;
}
if (ELEM(HD_FREE, bezt->h1, bezt->h2)) {
return KEYFRAME_HANDLE_FREE;
}
return KEYFRAME_HANDLE_ALIGNED;
}
/* Determine if the keyframe is an extreme by comparing with neighbors.
* Ends of fixed-value sections and of the whole curve are also marked.
*/
static eKeyframeExtremeDrawOpts bezt_extreme_type(BezTripleChain *chain)
{
if (chain->prev == NULL && chain->next == NULL) {
return KEYFRAME_EXTREME_NONE;
}
/* Keyframe values for the current one and neighbors. */
float cur_y = chain->cur->vec[1][1];
float prev_y = cur_y, next_y = cur_y;
if (chain->prev && !IS_EQF(cur_y, chain->prev->vec[1][1])) {
prev_y = chain->prev->vec[1][1];
}
if (chain->next && !IS_EQF(cur_y, chain->next->vec[1][1])) {
next_y = chain->next->vec[1][1];
}
/* Static hold. */
if (prev_y == cur_y && next_y == cur_y) {
return KEYFRAME_EXTREME_FLAT;
}
/* Middle of an incline. */
if ((prev_y < cur_y && next_y > cur_y) || (prev_y > cur_y && next_y < cur_y)) {
return KEYFRAME_EXTREME_NONE;
}
/* Bezier handle values for the overshoot check. */
bool l_bezier = chain->prev && chain->prev->ipo == BEZT_IPO_BEZ;
bool r_bezier = chain->next && chain->cur->ipo == BEZT_IPO_BEZ;
float handle_l = l_bezier ? chain->cur->vec[0][1] : cur_y;
float handle_r = r_bezier ? chain->cur->vec[2][1] : cur_y;
/* Detect extremes. One of the neighbors is allowed to be equal to current. */
if (prev_y < cur_y || next_y < cur_y) {
bool is_overshoot = (handle_l > cur_y || handle_r > cur_y);
return KEYFRAME_EXTREME_MAX | (is_overshoot ? KEYFRAME_EXTREME_MIXED : 0);
}
if (prev_y > cur_y || next_y > cur_y) {
bool is_overshoot = (handle_l < cur_y || handle_r < cur_y);
return KEYFRAME_EXTREME_MIN | (is_overshoot ? KEYFRAME_EXTREME_MIXED : 0);
}
return KEYFRAME_EXTREME_NONE;
}
/* Comparator callback used for ActKeyColumns and BezTripleChain */
static short compare_ak_bezt(void *node, void *data)
{
BezTripleChain *chain = data;
return compare_ak_cfraPtr(node, &chain->cur->vec[1][0]);
}
/* New node callback used for building ActKeyColumns from BezTripleChain */
static DLRBT_Node *nalloc_ak_bezt(void *data)
{
ActKeyColumn *ak = MEM_callocN(sizeof(ActKeyColumn), "ActKeyColumn");
BezTripleChain *chain = data;
BezTriple *bezt = chain->cur;
/* store settings based on state of BezTriple */
ak->cfra = bezt->vec[1][0];
ak->sel = BEZT_ISSEL_ANY(bezt) ? SELECT : 0;
ak->key_type = BEZKEYTYPE(bezt);
ak->handle_type = bezt_handle_type(bezt);
ak->extreme_type = bezt_extreme_type(chain);
/* count keyframes in this column */
ak->totkey = 1;
return (DLRBT_Node *)ak;
}
/* Node updater callback used for building ActKeyColumns from BezTripleChain */
static void nupdate_ak_bezt(void *node, void *data)
{
ActKeyColumn *ak = node;
BezTripleChain *chain = data;
BezTriple *bezt = chain->cur;
/* set selection status and 'touched' status */
if (BEZT_ISSEL_ANY(bezt)) {
ak->sel = SELECT;
}
/* count keyframes in this column */
ak->totkey++;
/* For keyframe type, 'proper' keyframes have priority over breakdowns
* (and other types for now). */
if (BEZKEYTYPE(bezt) == BEZT_KEYTYPE_KEYFRAME) {
ak->key_type = BEZT_KEYTYPE_KEYFRAME;
}
/* For interpolation type, select the highest value (enum is sorted). */
ak->handle_type = MAX2(ak->handle_type, bezt_handle_type(bezt));
/* For extremes, detect when combining different states. */
char new_extreme = bezt_extreme_type(chain);
if (new_extreme != ak->extreme_type) {
/* Replace the flat status without adding mixed. */
if (ak->extreme_type == KEYFRAME_EXTREME_FLAT) {
ak->extreme_type = new_extreme;
}
else if (new_extreme != KEYFRAME_EXTREME_FLAT) {
ak->extreme_type |= (new_extreme | KEYFRAME_EXTREME_MIXED);
}
}
}
/* ......... */
/* Comparator callback used for ActKeyColumns and GPencil frame */
static short compare_ak_gpframe(void *node, void *data)
{
bGPDframe *gpf = (bGPDframe *)data;
float frame = gpf->framenum;
return compare_ak_cfraPtr(node, &frame);
}
/* New node callback used for building ActKeyColumns from GPencil frames */
static DLRBT_Node *nalloc_ak_gpframe(void *data)
{
ActKeyColumn *ak = MEM_callocN(sizeof(ActKeyColumn), "ActKeyColumnGPF");
bGPDframe *gpf = (bGPDframe *)data;
/* store settings based on state of BezTriple */
ak->cfra = gpf->framenum;
ak->sel = (gpf->flag & GP_FRAME_SELECT) ? SELECT : 0;
ak->key_type = gpf->key_type;
/* count keyframes in this column */
ak->totkey = 1;
return (DLRBT_Node *)ak;
}
/* Node updater callback used for building ActKeyColumns from GPencil frames */
static void nupdate_ak_gpframe(void *node, void *data)
{
ActKeyColumn *ak = (ActKeyColumn *)node;
bGPDframe *gpf = (bGPDframe *)data;
/* set selection status and 'touched' status */
if (gpf->flag & GP_FRAME_SELECT) {
ak->sel = SELECT;
}
/* count keyframes in this column */
ak->totkey++;
/* for keyframe type, 'proper' keyframes have priority over breakdowns
* (and other types for now). */
if (gpf->key_type == BEZT_KEYTYPE_KEYFRAME) {
ak->key_type = BEZT_KEYTYPE_KEYFRAME;
}
}
/* ......... */
/* Comparator callback used for ActKeyColumns and GPencil frame */
static short compare_ak_masklayshape(void *node, void *data)
{
MaskLayerShape *masklay_shape = (MaskLayerShape *)data;
float frame = masklay_shape->frame;
return compare_ak_cfraPtr(node, &frame);
}
/* New node callback used for building ActKeyColumns from GPencil frames */
static DLRBT_Node *nalloc_ak_masklayshape(void *data)
{
ActKeyColumn *ak = MEM_callocN(sizeof(ActKeyColumn), "ActKeyColumnGPF");
MaskLayerShape *masklay_shape = (MaskLayerShape *)data;
/* store settings based on state of BezTriple */
ak->cfra = masklay_shape->frame;
ak->sel = (masklay_shape->flag & MASK_SHAPE_SELECT) ? SELECT : 0;
/* count keyframes in this column */
ak->totkey = 1;
return (DLRBT_Node *)ak;
}
/* Node updater callback used for building ActKeyColumns from GPencil frames */
static void nupdate_ak_masklayshape(void *node, void *data)
{
ActKeyColumn *ak = (ActKeyColumn *)node;
MaskLayerShape *masklay_shape = (MaskLayerShape *)data;
/* set selection status and 'touched' status */
if (masklay_shape->flag & MASK_SHAPE_SELECT) {
ak->sel = SELECT;
}
/* count keyframes in this column */
ak->totkey++;
}
/* --------------- */
/* Add the given BezTriple to the given 'list' of Keyframes */
static void add_bezt_to_keycolumns_list(DLRBT_Tree *keys, BezTripleChain *bezt)
{
if (ELEM(NULL, keys, bezt)) {
return;
}
BLI_dlrbTree_add(keys, compare_ak_bezt, nalloc_ak_bezt, nupdate_ak_bezt, bezt);
}
/* Add the given GPencil Frame to the given 'list' of Keyframes */
static void add_gpframe_to_keycolumns_list(DLRBT_Tree *keys, bGPDframe *gpf)
{
if (ELEM(NULL, keys, gpf)) {
return;
}
BLI_dlrbTree_add(keys, compare_ak_gpframe, nalloc_ak_gpframe, nupdate_ak_gpframe, gpf);
}
/* Add the given MaskLayerShape Frame to the given 'list' of Keyframes */
static void add_masklay_to_keycolumns_list(DLRBT_Tree *keys, MaskLayerShape *masklay_shape)
{
if (ELEM(NULL, keys, masklay_shape)) {
return;
}
BLI_dlrbTree_add(keys,
compare_ak_masklayshape,
nalloc_ak_masklayshape,
nupdate_ak_masklayshape,
masklay_shape);
}
/* ActKeyBlocks (Long Keyframes) ------------------------------------------ */
static const ActKeyBlockInfo dummy_keyblock = {0};
static void compute_keyblock_data(ActKeyBlockInfo *info, BezTriple *prev, BezTriple *beztn)
{
memset(info, 0, sizeof(ActKeyBlockInfo));
if (BEZKEYTYPE(beztn) == BEZT_KEYTYPE_MOVEHOLD) {
/* Animator tagged a "moving hold"
* - Previous key must also be tagged as a moving hold, otherwise
* we're just dealing with the first of a pair, and we don't
* want to be creating any phantom holds...
*/
if (BEZKEYTYPE(prev) == BEZT_KEYTYPE_MOVEHOLD) {
info->flag |= ACTKEYBLOCK_FLAG_MOVING_HOLD | ACTKEYBLOCK_FLAG_ANY_HOLD;
}
}
/* Check for same values...
* - Handles must have same central value as each other
* - Handles which control that section of the curve must be constant
*/
if (IS_EQF(beztn->vec[1][1], prev->vec[1][1])) {
bool hold;
/* Only check handles in case of actual bezier interpolation. */
if (prev->ipo == BEZT_IPO_BEZ) {
hold = IS_EQF(beztn->vec[1][1], beztn->vec[0][1]) &&
IS_EQF(prev->vec[1][1], prev->vec[2][1]);
}
/* This interpolation type induces movement even between identical keys. */
else {
hold = !ELEM(prev->ipo, BEZT_IPO_ELASTIC);
}
if (hold) {
info->flag |= ACTKEYBLOCK_FLAG_STATIC_HOLD | ACTKEYBLOCK_FLAG_ANY_HOLD;
}
}
/* Remember non-bezier interpolation info. */
if (prev->ipo != BEZT_IPO_BEZ) {
info->flag |= ACTKEYBLOCK_FLAG_NON_BEZIER;
}
info->sel = BEZT_ISSEL_ANY(prev) || BEZT_ISSEL_ANY(beztn);
}
static void add_keyblock_info(ActKeyColumn *col, const ActKeyBlockInfo *block)
{
/* New curve and block. */
if (col->totcurve <= 1 && col->totblock == 0) {
memcpy(&col->block, block, sizeof(ActKeyBlockInfo));
}
/* Existing curve. */
else {
col->block.conflict |= (col->block.flag ^ block->flag);
col->block.flag |= block->flag;
col->block.sel |= block->sel;
}
if (block->flag) {
col->totblock++;
}
}
static void add_bezt_to_keyblocks_list(DLRBT_Tree *keys, BezTriple *bezt, int bezt_len)
{
ActKeyColumn *col = keys->first;
if (bezt && bezt_len >= 2) {
ActKeyBlockInfo block;
/* Find the first key column while inserting dummy blocks. */
for (; col != NULL && is_cfra_lt(col->cfra, bezt[0].vec[1][0]); col = col->next) {
add_keyblock_info(col, &dummy_keyblock);
}
BLI_assert(col != NULL);
/* Insert real blocks. */
for (int v = 1; col != NULL && v < bezt_len; v++, bezt++) {
/* Wrong order of bezier keys: resync position. */
if (is_cfra_lt(bezt[1].vec[1][0], bezt[0].vec[1][0])) {
/* Backtrack to find the right location. */
if (is_cfra_lt(bezt[1].vec[1][0], col->cfra)) {
ActKeyColumn *newcol = (ActKeyColumn *)BLI_dlrbTree_search_exact(
keys, compare_ak_cfraPtr, &bezt[1].vec[1][0]);
if (newcol != NULL) {
col = newcol;
/* The previous keyblock is garbage too. */
if (col->prev != NULL) {
add_keyblock_info(col->prev, &dummy_keyblock);
}
}
else {
BLI_assert(false);
}
}
continue;
}
/* Normal sequence */
BLI_assert(is_cfra_eq(col->cfra, bezt[0].vec[1][0]));
compute_keyblock_data(&block, bezt, bezt + 1);
for (; col != NULL && is_cfra_lt(col->cfra, bezt[1].vec[1][0]); col = col->next) {
add_keyblock_info(col, &block);
}
BLI_assert(col != NULL);
}
}
/* Insert dummy blocks at the end. */
for (; col != NULL; col = col->next) {
add_keyblock_info(col, &dummy_keyblock);
}
}
/* Walk through columns and propagate blocks and totcurve.
*
* This must be called even by animation sources that don't generate
* keyblocks to keep the data structure consistent after adding columns.
*/
static void update_keyblocks(DLRBT_Tree *keys, BezTriple *bezt, int bezt_len)
{
/* Recompute the prev/next linked list. */
BLI_dlrbTree_linkedlist_sync(keys);
/* Find the curve count */
int max_curve = 0;
LISTBASE_FOREACH (ActKeyColumn *, col, keys) {
max_curve = MAX2(max_curve, col->totcurve);
}
/* Propagate blocks to inserted keys */
ActKeyColumn *prev_ready = NULL;
LISTBASE_FOREACH (ActKeyColumn *, col, keys) {
/* Pre-existing column. */
if (col->totcurve > 0) {
prev_ready = col;
}
/* Newly inserted column, so copy block data from previous. */
else if (prev_ready != NULL) {
col->totblock = prev_ready->totblock;
memcpy(&col->block, &prev_ready->block, sizeof(ActKeyBlockInfo));
}
col->totcurve = max_curve + 1;
}
/* Add blocks on top */
add_bezt_to_keyblocks_list(keys, bezt, bezt_len);
}
/* --------- */
bool actkeyblock_is_valid(ActKeyColumn *ac)
{
return ac != NULL && ac->next != NULL && ac->totblock > 0;
}
/* Checks if ActKeyBlock should exist... */
int actkeyblock_get_valid_hold(ActKeyColumn *ac)
{
/* check that block is valid */
if (!actkeyblock_is_valid(ac)) {
return 0;
}
const int hold_mask = (ACTKEYBLOCK_FLAG_ANY_HOLD | ACTKEYBLOCK_FLAG_STATIC_HOLD);
return (ac->block.flag & ~ac->block.conflict) & hold_mask;
}
/* *************************** Keyframe Drawing *************************** */
void draw_keyframe_shape(float x,
float y,
float size,
bool sel,
short key_type,
short mode,
float alpha,
uint pos_id,
uint size_id,
uint color_id,
uint outline_color_id,
uint flags_id,
short handle_type,
short extreme_type)
{
bool draw_fill = ELEM(mode, KEYFRAME_SHAPE_INSIDE, KEYFRAME_SHAPE_BOTH);
bool draw_outline = ELEM(mode, KEYFRAME_SHAPE_FRAME, KEYFRAME_SHAPE_BOTH);
BLI_assert(draw_fill || draw_outline);
/* tweak size of keyframe shape according to type of keyframe
* - 'proper' keyframes have key_type = 0, so get drawn at full size
*/
switch (key_type) {
case BEZT_KEYTYPE_KEYFRAME: /* must be full size */
break;
case BEZT_KEYTYPE_BREAKDOWN: /* slightly smaller than normal keyframe */
size *= 0.85f;
break;
case BEZT_KEYTYPE_MOVEHOLD: /* Slightly smaller than normal keyframes
* (but by less than for breakdowns). */
size *= 0.925f;
break;
case BEZT_KEYTYPE_EXTREME: /* slightly larger */
size *= 1.2f;
break;
default:
size -= 0.8f * key_type;
}
uchar fill_col[4];
uchar outline_col[4];
uint flags = 0;
/* draw! */
if (draw_fill) {
/* get interior colors from theme (for selected and unselected only) */
switch (key_type) {
case BEZT_KEYTYPE_BREAKDOWN: /* bluish frames (default theme) */
UI_GetThemeColor4ubv(sel ? TH_KEYTYPE_BREAKDOWN_SELECT : TH_KEYTYPE_BREAKDOWN, fill_col);
break;
case BEZT_KEYTYPE_EXTREME: /* reddish frames (default theme) */
UI_GetThemeColor4ubv(sel ? TH_KEYTYPE_EXTREME_SELECT : TH_KEYTYPE_EXTREME, fill_col);
break;
case BEZT_KEYTYPE_JITTER: /* greenish frames (default theme) */
UI_GetThemeColor4ubv(sel ? TH_KEYTYPE_JITTER_SELECT : TH_KEYTYPE_JITTER, fill_col);
break;
case BEZT_KEYTYPE_MOVEHOLD: /* similar to traditional keyframes, but different... */
UI_GetThemeColor4ubv(sel ? TH_KEYTYPE_MOVEHOLD_SELECT : TH_KEYTYPE_MOVEHOLD, fill_col);
break;
case BEZT_KEYTYPE_KEYFRAME: /* traditional yellowish frames (default theme) */
default:
UI_GetThemeColor4ubv(sel ? TH_KEYTYPE_KEYFRAME_SELECT : TH_KEYTYPE_KEYFRAME, fill_col);
}
/* NOTE: we don't use the straight alpha from the theme, or else effects such as
* graying out protected/muted channels doesn't work correctly!
*/
fill_col[3] *= alpha;
if (!draw_outline) {
/* force outline color to match */
outline_col[0] = fill_col[0];
outline_col[1] = fill_col[1];
outline_col[2] = fill_col[2];
outline_col[3] = fill_col[3];
}
}
if (draw_outline) {
/* exterior - black frame */
UI_GetThemeColor4ubv(sel ? TH_KEYBORDER_SELECT : TH_KEYBORDER, outline_col);
outline_col[3] *= alpha;
if (!draw_fill) {
/* fill color needs to be (outline.rgb, 0) */
fill_col[0] = outline_col[0];
fill_col[1] = outline_col[1];
fill_col[2] = outline_col[2];
fill_col[3] = 0;
}
/* Handle type to outline shape. */
switch (handle_type) {
case KEYFRAME_HANDLE_AUTO_CLAMP:
flags = 0x2;
break; /* circle */
case KEYFRAME_HANDLE_AUTO:
flags = 0x12;
break; /* circle with dot */
case KEYFRAME_HANDLE_VECTOR:
flags = 0xC;
break; /* square */
case KEYFRAME_HANDLE_ALIGNED:
flags = 0x5;
break; /* clipped diamond */
case KEYFRAME_HANDLE_FREE:
default:
flags = 1; /* diamond */
}
/* Extreme type to arrow-like shading. */
if (extreme_type & KEYFRAME_EXTREME_MAX) {
flags |= 0x100;
}
if (extreme_type & KEYFRAME_EXTREME_MIN) {
flags |= 0x200;
}
if (extreme_type & KEYFRAME_EXTREME_MIXED) {
flags |= 0x400;
}
}
immAttr1f(size_id, size);
immAttr4ubv(color_id, fill_col);
immAttr4ubv(outline_color_id, outline_col);
immAttr1u(flags_id, flags);
immVertex2f(pos_id, x, y);
}
static void draw_keylist(View2D *v2d,
DLRBT_Tree *keys,
float ypos,
float yscale_fac,
bool channelLocked,
int saction_flag)
{
const float icon_sz = U.widget_unit * 0.5f * yscale_fac;
const float half_icon_sz = 0.5f * icon_sz;
const float smaller_sz = 0.35f * icon_sz;
const float ipo_sz = 0.1f * icon_sz;
GPU_blend(GPU_BLEND_ALPHA);
/* locked channels are less strongly shown, as feedback for locked channels in DopeSheet */
/* TODO: allow this opacity factor to be themed? */
float alpha = channelLocked ? 0.25f : 1.0f;
/* Show interpolation and handle type? */
bool show_ipo = (saction_flag & SACTION_SHOW_INTERPOLATION) != 0;
/* draw keyblocks */
if (keys) {
float sel_color[4], unsel_color[4];
float sel_mhcol[4], unsel_mhcol[4];
float ipo_color[4], ipo_color_mix[4];
/* cache colors first */
UI_GetThemeColor4fv(TH_STRIP_SELECT, sel_color);
UI_GetThemeColor4fv(TH_STRIP, unsel_color);
UI_GetThemeColor4fv(TH_DOPESHEET_IPOLINE, ipo_color);
sel_color[3] *= alpha;
unsel_color[3] *= alpha;
ipo_color[3] *= alpha;
copy_v4_v4(sel_mhcol, sel_color);
sel_mhcol[3] *= 0.8f;
copy_v4_v4(unsel_mhcol, unsel_color);
unsel_mhcol[3] *= 0.8f;
copy_v4_v4(ipo_color_mix, ipo_color);
ipo_color_mix[3] *= 0.5f;
uint block_len = 0;
LISTBASE_FOREACH (ActKeyColumn *, ab, keys) {
if (actkeyblock_get_valid_hold(ab)) {
block_len++;
}
if (show_ipo && actkeyblock_is_valid(ab) && (ab->block.flag & ACTKEYBLOCK_FLAG_NON_BEZIER)) {
block_len++;
}
}
if (block_len > 0) {
GPUVertFormat *format = immVertexFormat();
uint pos_id = GPU_vertformat_attr_add(format, "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
uint color_id = GPU_vertformat_attr_add(format, "color", GPU_COMP_F32, 4, GPU_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_2D_FLAT_COLOR);
immBegin(GPU_PRIM_TRIS, 6 * block_len);
LISTBASE_FOREACH (ActKeyColumn *, ab, keys) {
int valid_hold = actkeyblock_get_valid_hold(ab);
if (valid_hold != 0) {
if ((valid_hold & ACTKEYBLOCK_FLAG_STATIC_HOLD) == 0) {
/* draw "moving hold" long-keyframe block - slightly smaller */
immRectf_fast_with_color(pos_id,
color_id,
ab->cfra,
ypos - smaller_sz,
ab->next->cfra,
ypos + smaller_sz,
(ab->block.sel) ? sel_mhcol : unsel_mhcol);
}
else {
/* draw standard long-keyframe block */
immRectf_fast_with_color(pos_id,
color_id,
ab->cfra,
ypos - half_icon_sz,
ab->next->cfra,
ypos + half_icon_sz,
(ab->block.sel) ? sel_color : unsel_color);
}
}
if (show_ipo && actkeyblock_is_valid(ab) &&
(ab->block.flag & ACTKEYBLOCK_FLAG_NON_BEZIER)) {
/* draw an interpolation line */
immRectf_fast_with_color(
pos_id,
color_id,
ab->cfra,
ypos - ipo_sz,
ab->next->cfra,
ypos + ipo_sz,
(ab->block.conflict & ACTKEYBLOCK_FLAG_NON_BEZIER) ? ipo_color_mix : ipo_color);
}
}
immEnd();
immUnbindProgram();
}
}
if (keys) {
/* count keys */
uint key_len = 0;
LISTBASE_FOREACH (ActKeyColumn *, ak, keys) {
/* Optimization: if keyframe doesn't appear within 5 units (screenspace)
* in visible area, don't draw.
* This might give some improvements,
* since we current have to flip between view/region matrices.
*/
if (IN_RANGE_INCL(ak->cfra, v2d->cur.xmin, v2d->cur.xmax)) {
key_len++;
}
}
if (key_len > 0) {
/* draw keys */
GPUVertFormat *format = immVertexFormat();
uint pos_id = GPU_vertformat_attr_add(format, "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
uint size_id = GPU_vertformat_attr_add(format, "size", GPU_COMP_F32, 1, GPU_FETCH_FLOAT);
uint color_id = GPU_vertformat_attr_add(
format, "color", GPU_COMP_U8, 4, GPU_FETCH_INT_TO_FLOAT_UNIT);
uint outline_color_id = GPU_vertformat_attr_add(
format, "outlineColor", GPU_COMP_U8, 4, GPU_FETCH_INT_TO_FLOAT_UNIT);
uint flags_id = GPU_vertformat_attr_add(format, "flags", GPU_COMP_U32, 1, GPU_FETCH_INT);
GPU_program_point_size(true);
immBindBuiltinProgram(GPU_SHADER_KEYFRAME_DIAMOND);
immUniform1f("outline_scale", 1.0f);
immUniform2f(
"ViewportSize", BLI_rcti_size_x(&v2d->mask) + 1, BLI_rcti_size_y(&v2d->mask) + 1);
immBegin(GPU_PRIM_POINTS, key_len);
short handle_type = KEYFRAME_HANDLE_NONE, extreme_type = KEYFRAME_EXTREME_NONE;
LISTBASE_FOREACH (ActKeyColumn *, ak, keys) {
if (IN_RANGE_INCL(ak->cfra, v2d->cur.xmin, v2d->cur.xmax)) {
if (show_ipo) {
handle_type = ak->handle_type;
}
if (saction_flag & SACTION_SHOW_EXTREMES) {
extreme_type = ak->extreme_type;
}
draw_keyframe_shape(ak->cfra,
ypos,
icon_sz,
(ak->sel & SELECT),
ak->key_type,
KEYFRAME_SHAPE_BOTH,
alpha,
pos_id,
size_id,
color_id,
outline_color_id,
flags_id,
handle_type,
extreme_type);
}
}
immEnd();
GPU_program_point_size(false);
immUnbindProgram();
}
}
GPU_blend(GPU_BLEND_NONE);
}
/* *************************** Channel Drawing Funcs *************************** */
void draw_summary_channel(
View2D *v2d, bAnimContext *ac, float ypos, float yscale_fac, int saction_flag)
{
DLRBT_Tree keys;
saction_flag &= ~SACTION_SHOW_EXTREMES;
BLI_dlrbTree_init(&keys);
summary_to_keylist(ac, &keys, saction_flag);
draw_keylist(v2d, &keys, ypos, yscale_fac, false, saction_flag);
BLI_dlrbTree_free(&keys);
}
void draw_scene_channel(
View2D *v2d, bDopeSheet *ads, Scene *sce, float ypos, float yscale_fac, int saction_flag)
{
DLRBT_Tree keys;
saction_flag &= ~SACTION_SHOW_EXTREMES;
BLI_dlrbTree_init(&keys);
scene_to_keylist(ads, sce, &keys, saction_flag);
draw_keylist(v2d, &keys, ypos, yscale_fac, false, saction_flag);
BLI_dlrbTree_free(&keys);
}
void draw_object_channel(
View2D *v2d, bDopeSheet *ads, Object *ob, float ypos, float yscale_fac, int saction_flag)
{
DLRBT_Tree keys;
saction_flag &= ~SACTION_SHOW_EXTREMES;
BLI_dlrbTree_init(&keys);
ob_to_keylist(ads, ob, &keys, saction_flag);
draw_keylist(v2d, &keys, ypos, yscale_fac, false, saction_flag);
BLI_dlrbTree_free(&keys);
}
void draw_fcurve_channel(
View2D *v2d, AnimData *adt, FCurve *fcu, float ypos, float yscale_fac, int saction_flag)
{
DLRBT_Tree keys;
bool locked = (fcu->flag & FCURVE_PROTECTED) ||
((fcu->grp) && (fcu->grp->flag & AGRP_PROTECTED)) ||
((adt && adt->action) && ID_IS_LINKED(adt->action));
BLI_dlrbTree_init(&keys);
fcurve_to_keylist(adt, fcu, &keys, saction_flag);
draw_keylist(v2d, &keys, ypos, yscale_fac, locked, saction_flag);
BLI_dlrbTree_free(&keys);
}
void draw_agroup_channel(
View2D *v2d, AnimData *adt, bActionGroup *agrp, float ypos, float yscale_fac, int saction_flag)
{
DLRBT_Tree keys;
bool locked = (agrp->flag & AGRP_PROTECTED) ||
((adt && adt->action) && ID_IS_LINKED(adt->action));
BLI_dlrbTree_init(&keys);
agroup_to_keylist(adt, agrp, &keys, saction_flag);
draw_keylist(v2d, &keys, ypos, yscale_fac, locked, saction_flag);
BLI_dlrbTree_free(&keys);
}
void draw_action_channel(
View2D *v2d, AnimData *adt, bAction *act, float ypos, float yscale_fac, int saction_flag)
{
DLRBT_Tree keys;
bool locked = (act && ID_IS_LINKED(act));
saction_flag &= ~SACTION_SHOW_EXTREMES;
BLI_dlrbTree_init(&keys);
action_to_keylist(adt, act, &keys, saction_flag);
draw_keylist(v2d, &keys, ypos, yscale_fac, locked, saction_flag);
BLI_dlrbTree_free(&keys);
}
void draw_gpencil_channel(
View2D *v2d, bDopeSheet *ads, bGPdata *gpd, float ypos, float yscale_fac, int saction_flag)
{
DLRBT_Tree keys;
saction_flag &= ~SACTION_SHOW_EXTREMES;
BLI_dlrbTree_init(&keys);
gpencil_to_keylist(ads, gpd, &keys, false);
draw_keylist(v2d, &keys, ypos, yscale_fac, false, saction_flag);
BLI_dlrbTree_free(&keys);
}
void draw_gpl_channel(
View2D *v2d, bDopeSheet *ads, bGPDlayer *gpl, float ypos, float yscale_fac, int saction_flag)
{
DLRBT_Tree keys;
bool locked = (gpl->flag & GP_LAYER_LOCKED) != 0;
BLI_dlrbTree_init(&keys);
gpl_to_keylist(ads, gpl, &keys);
draw_keylist(v2d, &keys, ypos, yscale_fac, locked, saction_flag);
BLI_dlrbTree_free(&keys);
}
void draw_masklay_channel(View2D *v2d,
bDopeSheet *ads,
MaskLayer *masklay,
float ypos,
float yscale_fac,
int saction_flag)
{
DLRBT_Tree keys;
bool locked = (masklay->flag & MASK_LAYERFLAG_LOCKED) != 0;
BLI_dlrbTree_init(&keys);
mask_to_keylist(ads, masklay, &keys);
draw_keylist(v2d, &keys, ypos, yscale_fac, locked, saction_flag);
BLI_dlrbTree_free(&keys);
}
/* *************************** Keyframe List Conversions *************************** */
void summary_to_keylist(bAnimContext *ac, DLRBT_Tree *keys, int saction_flag)
{
if (ac) {
ListBase anim_data = {NULL, NULL};
bAnimListElem *ale;
int filter;
/* get F-Curves to take keyframes from */
filter = ANIMFILTER_DATA_VISIBLE;
ANIM_animdata_filter(ac, &anim_data, filter, ac->data, ac->datatype);
/* loop through each F-Curve, grabbing the keyframes */
for (ale = anim_data.first; ale; ale = ale->next) {
/* Why not use all #eAnim_KeyType here?
* All of the other key types are actually "summaries" themselves,
* and will just end up duplicating stuff that comes up through
* standard filtering of just F-Curves. Given the way that these work,
* there isn't really any benefit at all from including them. - Aligorith */
switch (ale->datatype) {
case ALE_FCURVE:
fcurve_to_keylist(ale->adt, ale->data, keys, saction_flag);
break;
case ALE_MASKLAY:
mask_to_keylist(ac->ads, ale->data, keys);
break;
case ALE_GPFRAME:
gpl_to_keylist(ac->ads, ale->data, keys);
break;
default:
// printf("%s: datatype %d unhandled\n", __func__, ale->datatype);
break;
}
}
ANIM_animdata_freelist(&anim_data);
}
}
void scene_to_keylist(bDopeSheet *ads, Scene *sce, DLRBT_Tree *keys, int saction_flag)
{
bAnimContext ac = {NULL};
ListBase anim_data = {NULL, NULL};
bAnimListElem *ale;
int filter;
bAnimListElem dummychan = {NULL};
if (sce == NULL) {
return;
}
/* create a dummy wrapper data to work with */
dummychan.type = ANIMTYPE_SCENE;
dummychan.data = sce;
dummychan.id = &sce->id;
dummychan.adt = sce->adt;
ac.ads = ads;
ac.data = &dummychan;
ac.datatype = ANIMCONT_CHANNEL;
/* get F-Curves to take keyframes from */
filter = ANIMFILTER_DATA_VISIBLE; /* curves only */
ANIM_animdata_filter(&ac, &anim_data, filter, ac.data, ac.datatype);
/* loop through each F-Curve, grabbing the keyframes */
for (ale = anim_data.first; ale; ale = ale->next) {
fcurve_to_keylist(ale->adt, ale->data, keys, saction_flag);
}
ANIM_animdata_freelist(&anim_data);
}
void ob_to_keylist(bDopeSheet *ads, Object *ob, DLRBT_Tree *keys, int saction_flag)
{
bAnimContext ac = {NULL};
ListBase anim_data = {NULL, NULL};
bAnimListElem *ale;
int filter;
bAnimListElem dummychan = {NULL};
Base dummybase = {NULL};
if (ob == NULL) {
return;
}
/* create a dummy wrapper data to work with */
dummybase.object = ob;
dummychan.type = ANIMTYPE_OBJECT;
dummychan.data = &dummybase;
dummychan.id = &ob->id;
dummychan.adt = ob->adt;
ac.ads = ads;
ac.data = &dummychan;
ac.datatype = ANIMCONT_CHANNEL;
/* get F-Curves to take keyframes from */
filter = ANIMFILTER_DATA_VISIBLE; /* curves only */
ANIM_animdata_filter(&ac, &anim_data, filter, ac.data, ac.datatype);
/* loop through each F-Curve, grabbing the keyframes */
for (ale = anim_data.first; ale; ale = ale->next) {
fcurve_to_keylist(ale->adt, ale->data, keys, saction_flag);
}
ANIM_animdata_freelist(&anim_data);
}
void cachefile_to_keylist(bDopeSheet *ads,
CacheFile *cache_file,
DLRBT_Tree *keys,
int saction_flag)
{
if (cache_file == NULL) {
return;
}
/* create a dummy wrapper data to work with */
bAnimListElem dummychan = {NULL};
dummychan.type = ANIMTYPE_DSCACHEFILE;
dummychan.data = cache_file;
dummychan.id = &cache_file->id;
dummychan.adt = cache_file->adt;
bAnimContext ac = {NULL};
ac.ads = ads;
ac.data = &dummychan;
ac.datatype = ANIMCONT_CHANNEL;
/* get F-Curves to take keyframes from */
ListBase anim_data = {NULL, NULL};
int filter = ANIMFILTER_DATA_VISIBLE; /* curves only */
ANIM_animdata_filter(&ac, &anim_data, filter, ac.data, ac.datatype);
/* loop through each F-Curve, grabbing the keyframes */
LISTBASE_FOREACH (bAnimListElem *, ale, &anim_data) {
fcurve_to_keylist(ale->adt, ale->data, keys, saction_flag);
}
ANIM_animdata_freelist(&anim_data);
}
void fcurve_to_keylist(AnimData *adt, FCurve *fcu, DLRBT_Tree *keys, int saction_flag)
{
if (fcu && fcu->totvert && fcu->bezt) {
/* apply NLA-mapping (if applicable) */
if (adt) {
ANIM_nla_mapping_apply_fcurve(adt, fcu, 0, 0);
}
/* Check if the curve is cyclic. */
bool is_cyclic = BKE_fcurve_is_cyclic(fcu) && (fcu->totvert >= 2);
bool do_extremes = (saction_flag & SACTION_SHOW_EXTREMES) != 0;
/* loop through beztriples, making ActKeysColumns */
BezTripleChain chain = {0};
for (int v = 0; v < fcu->totvert; v++) {
chain.cur = &fcu->bezt[v];
/* Neighbor keys, accounting for being cyclic. */
if (do_extremes) {
chain.prev = (v > 0) ? &fcu->bezt[v - 1] : is_cyclic ? &fcu->bezt[fcu->totvert - 2] : NULL;
chain.next = (v + 1 < fcu->totvert) ? &fcu->bezt[v + 1] : is_cyclic ? &fcu->bezt[1] : NULL;
}
add_bezt_to_keycolumns_list(keys, &chain);
}
/* Update keyblocks. */
update_keyblocks(keys, fcu->bezt, fcu->totvert);
/* unapply NLA-mapping if applicable */
if (adt) {
ANIM_nla_mapping_apply_fcurve(adt, fcu, 1, 0);
}
}
}
void agroup_to_keylist(AnimData *adt, bActionGroup *agrp, DLRBT_Tree *keys, int saction_flag)
{
FCurve *fcu;
if (agrp) {
/* loop through F-Curves */
for (fcu = agrp->channels.first; fcu && fcu->grp == agrp; fcu = fcu->next) {
fcurve_to_keylist(adt, fcu, keys, saction_flag);
}
}
}
void action_to_keylist(AnimData *adt, bAction *act, DLRBT_Tree *keys, int saction_flag)
{
FCurve *fcu;
if (act) {
/* loop through F-Curves */
for (fcu = act->curves.first; fcu; fcu = fcu->next) {
fcurve_to_keylist(adt, fcu, keys, saction_flag);
}
}
}
void gpencil_to_keylist(bDopeSheet *ads, bGPdata *gpd, DLRBT_Tree *keys, const bool active)
{
bGPDlayer *gpl;
if (gpd && keys) {
/* for now, just aggregate out all the frames, but only for visible layers */
for (gpl = gpd->layers.last; gpl; gpl = gpl->prev) {
if ((gpl->flag & GP_LAYER_HIDE) == 0) {
if ((!active) || ((active) && (gpl->flag & GP_LAYER_SELECT))) {
gpl_to_keylist(ads, gpl, keys);
}
}
}
}
}
void gpl_to_keylist(bDopeSheet *UNUSED(ads), bGPDlayer *gpl, DLRBT_Tree *keys)
{
bGPDframe *gpf;
if (gpl && keys) {
/* Although the frames should already be in an ordered list,
* they are not suitable for displaying yet. */
for (gpf = gpl->frames.first; gpf; gpf = gpf->next) {
add_gpframe_to_keycolumns_list(keys, gpf);
}
update_keyblocks(keys, NULL, 0);
}
}
void mask_to_keylist(bDopeSheet *UNUSED(ads), MaskLayer *masklay, DLRBT_Tree *keys)
{
MaskLayerShape *masklay_shape;
if (masklay && keys) {
for (masklay_shape = masklay->splines_shapes.first; masklay_shape;
masklay_shape = masklay_shape->next) {
add_masklay_to_keycolumns_list(keys, masklay_shape);
}
update_keyblocks(keys, NULL, 0);
}
}
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