616 lines
25 KiB
C++
616 lines
25 KiB
C++
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/**************************************************************************/
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/* xr_face_modifier_3d.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#include "xr_face_modifier_3d.h"
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#include "servers/xr/xr_face_tracker.h"
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#include "servers/xr_server.h"
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// This method takes the name of a mesh blend shape and returns the
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// corresponding XRFaceTracker blend shape. If no match is
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// found then the function returns -1.
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static int find_face_blend_shape(const StringName &p_name) {
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// Entry for blend shape name table.
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struct blend_map_entry {
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int blend;
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const char *name[4];
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};
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// Table of blend shape names.
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//
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// This table consists of the XRFaceTracker blend shape and
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// the corresponding names (lowercase and no underscore) of:
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// - The Unified Expression blend shape name.
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// - The ARKit blend shape name (if present and different).
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// - The SRanipal blend shape name (if present and different).
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// - The Meta blend shape name (if present and different).
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static constexpr blend_map_entry blend_map[] = {
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{ XRFaceTracker::FT_EYE_LOOK_OUT_RIGHT,
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{ "eyelookoutright", "eyerightright", "eyeslookoutr" } },
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{ XRFaceTracker::FT_EYE_LOOK_IN_RIGHT,
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{ "eyelookinright", "eyerightleft", "eyeslookinr" } },
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{ XRFaceTracker::FT_EYE_LOOK_UP_RIGHT,
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{ "eyelookupright", "eyerightlookup", "eyeslookupr" } },
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{ XRFaceTracker::FT_EYE_LOOK_DOWN_RIGHT,
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{ "eyelookdownright", "eyerightlookdown", "eyeslookdownr" } },
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{ XRFaceTracker::FT_EYE_LOOK_OUT_LEFT,
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{ "eyelookoutleft", "eyeleftleft", "eyeslookoutl" } },
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{ XRFaceTracker::FT_EYE_LOOK_IN_LEFT,
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{ "eyelookinleft", "eyeleftright", "eyeslookinl" } },
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{ XRFaceTracker::FT_EYE_LOOK_UP_LEFT,
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{ "eyelookupleft", "eyeleftlookup", "eyeslookupl" } },
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{ XRFaceTracker::FT_EYE_LOOK_DOWN_LEFT,
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{ "eyelookdownleft", "eyeleftlookdown", "eyeslookdownl" } },
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{ XRFaceTracker::FT_EYE_CLOSED_RIGHT,
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{ "eyeclosedright", "eyeblinkright", "eyerightblink", "eyesclosedr" } },
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{ XRFaceTracker::FT_EYE_CLOSED_LEFT,
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{ "eyeclosedleft", "eyeblinkleft", "eyeleftblink", "eyesclosedl" } },
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{ XRFaceTracker::FT_EYE_SQUINT_RIGHT,
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{ "eyesquintright", "eyessquintr" } },
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{ XRFaceTracker::FT_EYE_SQUINT_LEFT,
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{ "eyesquintleft", "eyessquintl" } },
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{ XRFaceTracker::FT_EYE_WIDE_RIGHT,
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{ "eyewideright", "eyerightwide", "eyeswidenr" } },
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{ XRFaceTracker::FT_EYE_WIDE_LEFT,
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{ "eyewideleft", "eyeleftwide", "eyeswidenl" } },
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{ XRFaceTracker::FT_EYE_DILATION_RIGHT,
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{ "eyedilationright", "eyerightdilation" } },
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{ XRFaceTracker::FT_EYE_DILATION_LEFT,
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{ "eyedilationleft", "eyeleftdilation" } },
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{ XRFaceTracker::FT_EYE_CONSTRICT_RIGHT,
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{ "eyeconstrictright", "eyerightconstrict" } },
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{ XRFaceTracker::FT_EYE_CONSTRICT_LEFT,
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{ "eyeconstrictleft", "eyeleftconstrict" } },
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{ XRFaceTracker::FT_BROW_PINCH_RIGHT,
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{ "browpinchright" } },
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{ XRFaceTracker::FT_BROW_PINCH_LEFT,
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{ "browpinchleft" } },
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{ XRFaceTracker::FT_BROW_LOWERER_RIGHT,
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{ "browlowererright" } },
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{ XRFaceTracker::FT_BROW_LOWERER_LEFT,
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{ "browlowererleft" } },
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{ XRFaceTracker::FT_BROW_INNER_UP_RIGHT,
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{ "browinnerupright", "innerbrowraiserr" } },
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{ XRFaceTracker::FT_BROW_INNER_UP_LEFT,
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{ "browinnerupleft", "innerbrowraiserl" } },
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{ XRFaceTracker::FT_BROW_OUTER_UP_RIGHT,
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{ "browouterupright", "outerbrowraiserr" } },
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{ XRFaceTracker::FT_BROW_OUTER_UP_LEFT,
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{ "browouterupleft", "outerbrowraiserl" } },
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{ XRFaceTracker::FT_NOSE_SNEER_RIGHT,
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{ "nosesneerright", "nosewrinklerr" } },
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{ XRFaceTracker::FT_NOSE_SNEER_LEFT,
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{ "nosesneerleft", "nosewrinklerl" } },
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{ XRFaceTracker::FT_NASAL_DILATION_RIGHT,
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{ "nasaldilationright" } },
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{ XRFaceTracker::FT_NASAL_DILATION_LEFT,
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{ "nasaldilationleft" } },
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{ XRFaceTracker::FT_NASAL_CONSTRICT_RIGHT,
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{ "nasalconstrictright" } },
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{ XRFaceTracker::FT_NASAL_CONSTRICT_LEFT,
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{ "nasalconstrictleft" } },
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{ XRFaceTracker::FT_CHEEK_SQUINT_RIGHT,
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{ "cheeksquintright", "cheekraiserr" } },
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{ XRFaceTracker::FT_CHEEK_SQUINT_LEFT,
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{ "cheeksquintleft", "cheekraiserl" } },
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{ XRFaceTracker::FT_CHEEK_PUFF_RIGHT,
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{ "cheekpuffright", "cheekpuffr" } },
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{ XRFaceTracker::FT_CHEEK_PUFF_LEFT,
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{ "cheekpuffleft", "cheekpuffl" } },
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{ XRFaceTracker::FT_CHEEK_SUCK_RIGHT,
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{ "cheeksuckright", "cheeksuckr" } },
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{ XRFaceTracker::FT_CHEEK_SUCK_LEFT,
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{ "cheeksuckleft", "cheeksuckl" } },
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{ XRFaceTracker::FT_JAW_OPEN,
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{ "jawopen", "jawdrop" } },
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{ XRFaceTracker::FT_MOUTH_CLOSED,
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{ "mouthclosed", "mouthclose", "mouthapeshape", "lipstoward" } },
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{ XRFaceTracker::FT_JAW_RIGHT,
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{ "jawright", "jawsidewaysright" } },
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{ XRFaceTracker::FT_JAW_LEFT,
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{ "jawleft", "jawsidewaysleft" } },
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{ XRFaceTracker::FT_JAW_FORWARD,
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{ "jawforward", "jawthrust" } },
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{ XRFaceTracker::FT_JAW_BACKWARD,
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{ "jawbackward" } },
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{ XRFaceTracker::FT_JAW_CLENCH,
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{ "jawclench" } },
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{ XRFaceTracker::FT_JAW_MANDIBLE_RAISE,
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{ "jawmandibleraise" } },
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{ XRFaceTracker::FT_LIP_SUCK_UPPER_RIGHT,
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{ "lipsuckupperright", "lipsuckrt" } },
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{ XRFaceTracker::FT_LIP_SUCK_UPPER_LEFT,
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{ "lipsuckupperleft", "lipsucklt" } },
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{ XRFaceTracker::FT_LIP_SUCK_LOWER_RIGHT,
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{ "lipsucklowerright", "lipsuckrb" } },
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{ XRFaceTracker::FT_LIP_SUCK_LOWER_LEFT,
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{ "lipsucklowerleft", "lipsucklb" } },
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{ XRFaceTracker::FT_LIP_SUCK_CORNER_RIGHT,
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{ "lipsuckcornerright" } },
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{ XRFaceTracker::FT_LIP_SUCK_CORNER_LEFT,
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{ "lipsuckcornerleft" } },
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{ XRFaceTracker::FT_LIP_FUNNEL_UPPER_RIGHT,
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{ "lipfunnelupperright", "lipfunnelerrt" } },
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{ XRFaceTracker::FT_LIP_FUNNEL_UPPER_LEFT,
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{ "lipfunnelupperleft", "lipfunnelerlt" } },
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{ XRFaceTracker::FT_LIP_FUNNEL_LOWER_RIGHT,
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{ "lipfunnellowerright", "lipsuckrb" } },
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{ XRFaceTracker::FT_LIP_FUNNEL_LOWER_LEFT,
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{ "lipfunnellowerleft", "lipsucklb" } },
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{ XRFaceTracker::FT_LIP_PUCKER_UPPER_RIGHT,
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{ "lippuckerupperright" } },
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{ XRFaceTracker::FT_LIP_PUCKER_UPPER_LEFT,
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{ "lippuckerupperleft" } },
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{ XRFaceTracker::FT_LIP_PUCKER_LOWER_RIGHT,
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{ "lippuckerlowerright" } },
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{ XRFaceTracker::FT_LIP_PUCKER_LOWER_LEFT,
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{ "lippuckerlowerleft" } },
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{ XRFaceTracker::FT_MOUTH_UPPER_UP_RIGHT,
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{ "mouthupperupright", "upperlipraiserr" } },
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{ XRFaceTracker::FT_MOUTH_UPPER_UP_LEFT,
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{ "mouthupperupleft", "upperlipraiserl" } },
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{ XRFaceTracker::FT_MOUTH_LOWER_DOWN_RIGHT,
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{ "mouthlowerdownright", "mouthlowerupright", "lowerlipdepressorr" } },
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{ XRFaceTracker::FT_MOUTH_LOWER_DOWN_LEFT,
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{ "mouthlowerdownleft", "mouthlowerupleft", "lowerlipdepressorl" } },
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{ XRFaceTracker::FT_MOUTH_UPPER_DEEPEN_RIGHT,
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{ "mouthupperdeepenright" } },
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{ XRFaceTracker::FT_MOUTH_UPPER_DEEPEN_LEFT,
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{ "mouthupperdeepenleft" } },
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{ XRFaceTracker::FT_MOUTH_UPPER_RIGHT,
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{ "mouthupperright" } },
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{ XRFaceTracker::FT_MOUTH_UPPER_LEFT,
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{ "mouthupperleft" } },
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{ XRFaceTracker::FT_MOUTH_LOWER_RIGHT,
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{ "mouthlowerright" } },
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{ XRFaceTracker::FT_MOUTH_LOWER_LEFT,
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{ "mouthlowerleft" } },
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{ XRFaceTracker::FT_MOUTH_CORNER_PULL_RIGHT,
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{ "mouthcornerpullright" } },
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{ XRFaceTracker::FT_MOUTH_CORNER_PULL_LEFT,
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{ "mouthcornerpullleft" } },
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{ XRFaceTracker::FT_MOUTH_CORNER_SLANT_RIGHT,
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{ "mouthcornerslantright" } },
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{ XRFaceTracker::FT_MOUTH_CORNER_SLANT_LEFT,
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{ "mouthcornerslantleft" } },
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{ XRFaceTracker::FT_MOUTH_FROWN_RIGHT,
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{ "mouthfrownright", "lipcornerdepressorr" } },
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{ XRFaceTracker::FT_MOUTH_FROWN_LEFT,
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{ "mouthfrownleft", "lipcornerdepressorl" } },
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{ XRFaceTracker::FT_MOUTH_STRETCH_RIGHT,
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{ "mouthstretchright", "lipstretcherr" } },
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{ XRFaceTracker::FT_MOUTH_STRETCH_LEFT,
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{ "mouthstretchleft", "lipstretcherl" } },
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{ XRFaceTracker::FT_MOUTH_DIMPLE_RIGHT,
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{ "mouthdimplerright", "mouthdimpleright", "dimplerr" } },
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{ XRFaceTracker::FT_MOUTH_DIMPLE_LEFT,
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{ "mouthdimplerleft", "mouthdimpleleft", "dimplerl" } },
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{ XRFaceTracker::FT_MOUTH_RAISER_UPPER,
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{ "mouthraiserupper", "mouthshrugupper", "chinraisert" } },
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{ XRFaceTracker::FT_MOUTH_RAISER_LOWER,
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{ "mouthraiserlower", "mouthshruglower", "mouthloweroverlay", "chinraiserb" } },
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{ XRFaceTracker::FT_MOUTH_PRESS_RIGHT,
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{ "mouthpressright", "lippressorr" } },
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{ XRFaceTracker::FT_MOUTH_PRESS_LEFT,
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{ "mouthpressleft", "lippressorl" } },
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{ XRFaceTracker::FT_MOUTH_TIGHTENER_RIGHT,
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{ "mouthtightenerright", "liptightenerr" } },
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{ XRFaceTracker::FT_MOUTH_TIGHTENER_LEFT,
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{ "mouthtightenerleft", "liptightenerl" } },
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{ XRFaceTracker::FT_TONGUE_OUT,
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{ "tongueout", "tonguelongstep2" } },
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{ XRFaceTracker::FT_TONGUE_UP,
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{ "tongueup" } },
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{ XRFaceTracker::FT_TONGUE_DOWN,
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{ "tonguedown" } },
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{ XRFaceTracker::FT_TONGUE_RIGHT,
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{ "tongueright" } },
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{ XRFaceTracker::FT_TONGUE_LEFT,
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{ "tongueleft" } },
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{ XRFaceTracker::FT_TONGUE_ROLL,
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{ "tongueroll" } },
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{ XRFaceTracker::FT_TONGUE_BLEND_DOWN,
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{ "tongueblenddown" } },
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{ XRFaceTracker::FT_TONGUE_CURL_UP,
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{ "tonguecurlup" } },
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{ XRFaceTracker::FT_TONGUE_SQUISH,
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{ "tonguesquish" } },
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{ XRFaceTracker::FT_TONGUE_FLAT,
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{ "tongueflat" } },
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{ XRFaceTracker::FT_TONGUE_TWIST_RIGHT,
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{ "tonguetwistright" } },
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{ XRFaceTracker::FT_TONGUE_TWIST_LEFT,
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{ "tonguetwistleft" } },
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{ XRFaceTracker::FT_SOFT_PALATE_CLOSE,
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{ "softpalateclose" } },
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{ XRFaceTracker::FT_THROAT_SWALLOW,
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{ "throatswallow" } },
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{ XRFaceTracker::FT_NECK_FLEX_RIGHT,
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{ "neckflexright" } },
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{ XRFaceTracker::FT_NECK_FLEX_LEFT,
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{ "neckflexleft" } },
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{ XRFaceTracker::FT_EYE_CLOSED,
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{ "eyeclosed" } },
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{ XRFaceTracker::FT_EYE_WIDE,
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{ "eyewide" } },
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{ XRFaceTracker::FT_EYE_SQUINT,
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{ "eyesquint" } },
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{ XRFaceTracker::FT_EYE_DILATION,
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{ "eyedilation" } },
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{ XRFaceTracker::FT_EYE_CONSTRICT,
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{ "eyeconstrict" } },
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{ XRFaceTracker::FT_BROW_DOWN_RIGHT,
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{ "browdownright", "browlowererr" } },
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{ XRFaceTracker::FT_BROW_DOWN_LEFT,
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{ "browdownleft", "browlowererl" } },
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{ XRFaceTracker::FT_BROW_DOWN,
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{ "browdown" } },
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{ XRFaceTracker::FT_BROW_UP_RIGHT,
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{ "browupright" } },
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{ XRFaceTracker::FT_BROW_UP_LEFT,
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{ "browupleft" } },
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{ XRFaceTracker::FT_BROW_UP,
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{ "browup" } },
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{ XRFaceTracker::FT_NOSE_SNEER,
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{ "nosesneer" } },
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{ XRFaceTracker::FT_NASAL_DILATION,
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{ "nasaldilation" } },
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{ XRFaceTracker::FT_NASAL_CONSTRICT,
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{ "nasalconstrict" } },
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{ XRFaceTracker::FT_CHEEK_PUFF,
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||
|
|
{ "cheekpuff" } },
|
||
|
|
{ XRFaceTracker::FT_CHEEK_SUCK,
|
||
|
|
{ "cheeksuck" } },
|
||
|
|
{ XRFaceTracker::FT_CHEEK_SQUINT,
|
||
|
|
{ "cheeksquint" } },
|
||
|
|
{ XRFaceTracker::FT_LIP_SUCK_UPPER,
|
||
|
|
{ "lipsuckupper", "mouthrollupper", "mouthupperinside" } },
|
||
|
|
{ XRFaceTracker::FT_LIP_SUCK_LOWER,
|
||
|
|
{ "lipsucklower", "mouthrolllower", "mouthlowerinside" } },
|
||
|
|
{ XRFaceTracker::FT_LIP_SUCK,
|
||
|
|
{ "lipsuck" } },
|
||
|
|
{ XRFaceTracker::FT_LIP_FUNNEL_UPPER,
|
||
|
|
{ "lipfunnelupper", "mouthupperoverturn" } },
|
||
|
|
{ XRFaceTracker::FT_LIP_FUNNEL_LOWER,
|
||
|
|
{ "lipfunnellower", "mouthloweroverturn" } },
|
||
|
|
{ XRFaceTracker::FT_LIP_FUNNEL,
|
||
|
|
{ "lipfunnel", "mouthfunnel" } },
|
||
|
|
{ XRFaceTracker::FT_LIP_PUCKER_UPPER,
|
||
|
|
{ "lippuckerupper" } },
|
||
|
|
{ XRFaceTracker::FT_LIP_PUCKER_LOWER,
|
||
|
|
{ "lippuckerlower" } },
|
||
|
|
{ XRFaceTracker::FT_LIP_PUCKER,
|
||
|
|
{ "lippucker", "mouthpucker", "mouthpout" } },
|
||
|
|
{ XRFaceTracker::FT_MOUTH_UPPER_UP,
|
||
|
|
{ "mouthupperup" } },
|
||
|
|
{ XRFaceTracker::FT_MOUTH_LOWER_DOWN,
|
||
|
|
{ "mouthlowerdown" } },
|
||
|
|
{ XRFaceTracker::FT_MOUTH_OPEN,
|
||
|
|
{ "mouthopen" } },
|
||
|
|
{ XRFaceTracker::FT_MOUTH_RIGHT,
|
||
|
|
{ "mouthright" } },
|
||
|
|
{ XRFaceTracker::FT_MOUTH_LEFT,
|
||
|
|
{ "mouthleft" } },
|
||
|
|
{ XRFaceTracker::FT_MOUTH_SMILE_RIGHT,
|
||
|
|
{ "mouthsmileright", "lipcornerpullerr" } },
|
||
|
|
{ XRFaceTracker::FT_MOUTH_SMILE_LEFT,
|
||
|
|
{ "mouthsmileleft", "lipcornerpullerl" } },
|
||
|
|
{ XRFaceTracker::FT_MOUTH_SMILE,
|
||
|
|
{ "mouthsmile" } },
|
||
|
|
{ XRFaceTracker::FT_MOUTH_SAD_RIGHT,
|
||
|
|
{ "mouthsadright" } },
|
||
|
|
{ XRFaceTracker::FT_MOUTH_SAD_LEFT,
|
||
|
|
{ "mouthsadleft" } },
|
||
|
|
{ XRFaceTracker::FT_MOUTH_SAD,
|
||
|
|
{ "mouthsad" } },
|
||
|
|
{ XRFaceTracker::FT_MOUTH_STRETCH,
|
||
|
|
{ "mouthstretch" } },
|
||
|
|
{ XRFaceTracker::FT_MOUTH_DIMPLE,
|
||
|
|
{ "mouthdimple" } },
|
||
|
|
{ XRFaceTracker::FT_MOUTH_TIGHTENER,
|
||
|
|
{ "mouthtightener" } },
|
||
|
|
{ XRFaceTracker::FT_MOUTH_PRESS,
|
||
|
|
{ "mouthpress" } }
|
||
|
|
};
|
||
|
|
|
||
|
|
// Convert the name to lower-case and strip non-alphanumeric characters.
|
||
|
|
const String name = String(p_name).to_lower().replace("_", "");
|
||
|
|
|
||
|
|
// Iterate through the blend map.
|
||
|
|
for (const blend_map_entry &entry : blend_map) {
|
||
|
|
for (const char *n : entry.name) {
|
||
|
|
if (n == nullptr) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (name == n) {
|
||
|
|
return entry.blend;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Blend shape not found.
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
// This method adds all the identified XRFaceTracker blend shapes of
|
||
|
|
// the mesh to the p_blend_mapping map. The map is indexed by the
|
||
|
|
// XRFaceTracker blend shape, and the value is the index of the mesh
|
||
|
|
// blend shape.
|
||
|
|
static void identify_face_blend_shapes(RBMap<int, int> &p_blend_mapping, const Ref<Mesh> &mesh) {
|
||
|
|
// Find all blend shapes.
|
||
|
|
const int count = mesh->get_blend_shape_count();
|
||
|
|
for (int i = 0; i < count; i++) {
|
||
|
|
const int blend = find_face_blend_shape(mesh->get_blend_shape_name(i));
|
||
|
|
if (blend >= 0) {
|
||
|
|
p_blend_mapping[blend] = i;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// This method removes any unified blend shapes from the p_blend_mapping map
|
||
|
|
// if all the individual blend shapes are found and going to be driven.
|
||
|
|
static void remove_driven_unified_blend_shapes(RBMap<int, int> &p_blend_mapping) {
|
||
|
|
// Entry for unified blend table.
|
||
|
|
struct unified_blend_entry {
|
||
|
|
int unified;
|
||
|
|
int individual[4];
|
||
|
|
};
|
||
|
|
|
||
|
|
// Table of unified blend shapes.
|
||
|
|
//
|
||
|
|
// This table consists of:
|
||
|
|
// - The XRFaceTracker unified blend shape.
|
||
|
|
// - The individual blend shapes that make up the unified blend shape.
|
||
|
|
static constexpr unified_blend_entry unified_blends[] = {
|
||
|
|
{ XRFaceTracker::FT_EYE_CLOSED,
|
||
|
|
{ XRFaceTracker::FT_EYE_CLOSED_RIGHT, XRFaceTracker::FT_EYE_CLOSED_LEFT, -1, -1 } },
|
||
|
|
{ XRFaceTracker::FT_EYE_WIDE,
|
||
|
|
{ XRFaceTracker::FT_EYE_WIDE_RIGHT, XRFaceTracker::FT_EYE_WIDE_LEFT, -1, -1 } },
|
||
|
|
{ XRFaceTracker::FT_EYE_SQUINT,
|
||
|
|
{ XRFaceTracker::FT_EYE_SQUINT_RIGHT, XRFaceTracker::FT_EYE_SQUINT_LEFT, -1, -1 } },
|
||
|
|
{ XRFaceTracker::FT_EYE_DILATION,
|
||
|
|
{ XRFaceTracker::FT_EYE_DILATION_RIGHT, XRFaceTracker::FT_EYE_DILATION_LEFT, -1, -1 } },
|
||
|
|
{ XRFaceTracker::FT_EYE_CONSTRICT,
|
||
|
|
{ XRFaceTracker::FT_EYE_CONSTRICT_RIGHT, XRFaceTracker::FT_EYE_CONSTRICT_LEFT, -1, -1 } },
|
||
|
|
{ XRFaceTracker::FT_BROW_DOWN_RIGHT,
|
||
|
|
{ XRFaceTracker::FT_BROW_LOWERER_RIGHT, XRFaceTracker::FT_BROW_PINCH_RIGHT, -1, -1 } },
|
||
|
|
{ XRFaceTracker::FT_BROW_DOWN_LEFT,
|
||
|
|
{ XRFaceTracker::FT_BROW_LOWERER_LEFT, XRFaceTracker::FT_BROW_PINCH_LEFT, -1, -1 } },
|
||
|
|
{ XRFaceTracker::FT_BROW_DOWN,
|
||
|
|
{ XRFaceTracker::FT_BROW_LOWERER_RIGHT, XRFaceTracker::FT_BROW_PINCH_RIGHT, XRFaceTracker::FT_BROW_LOWERER_LEFT, XRFaceTracker::FT_BROW_PINCH_LEFT } },
|
||
|
|
{ XRFaceTracker::FT_BROW_UP_RIGHT,
|
||
|
|
{ XRFaceTracker::FT_BROW_INNER_UP_RIGHT, XRFaceTracker::FT_BROW_OUTER_UP_RIGHT, -1, -1 } },
|
||
|
|
{ XRFaceTracker::FT_BROW_UP_LEFT,
|
||
|
|
{ XRFaceTracker::FT_BROW_INNER_UP_LEFT, XRFaceTracker::FT_BROW_OUTER_UP_LEFT, -1, -1 } },
|
||
|
|
{ XRFaceTracker::FT_BROW_UP,
|
||
|
|
{ XRFaceTracker::FT_BROW_INNER_UP_RIGHT, XRFaceTracker::FT_BROW_OUTER_UP_RIGHT, XRFaceTracker::FT_BROW_INNER_UP_LEFT, XRFaceTracker::FT_BROW_OUTER_UP_LEFT } },
|
||
|
|
{ XRFaceTracker::FT_NOSE_SNEER,
|
||
|
|
{ XRFaceTracker::FT_NOSE_SNEER_RIGHT, XRFaceTracker::FT_NOSE_SNEER_LEFT, -1, -1 } },
|
||
|
|
{ XRFaceTracker::FT_NASAL_DILATION,
|
||
|
|
{ XRFaceTracker::FT_NASAL_DILATION_RIGHT, XRFaceTracker::FT_NASAL_DILATION_LEFT, -1, -1 } },
|
||
|
|
{ XRFaceTracker::FT_NASAL_CONSTRICT,
|
||
|
|
{ XRFaceTracker::FT_NASAL_CONSTRICT_RIGHT, XRFaceTracker::FT_NASAL_CONSTRICT_LEFT, -1, -1 } },
|
||
|
|
{ XRFaceTracker::FT_CHEEK_PUFF,
|
||
|
|
{ XRFaceTracker::FT_CHEEK_PUFF_RIGHT, XRFaceTracker::FT_CHEEK_PUFF_LEFT, -1, -1 } },
|
||
|
|
{ XRFaceTracker::FT_CHEEK_SUCK,
|
||
|
|
{ XRFaceTracker::FT_CHEEK_SUCK_RIGHT, XRFaceTracker::FT_CHEEK_SUCK_LEFT, -1, -1 } },
|
||
|
|
{ XRFaceTracker::FT_CHEEK_SQUINT,
|
||
|
|
{ XRFaceTracker::FT_CHEEK_SQUINT_RIGHT, XRFaceTracker::FT_CHEEK_SQUINT_LEFT, -1, -1 } },
|
||
|
|
{ XRFaceTracker::FT_LIP_SUCK_UPPER,
|
||
|
|
{ XRFaceTracker::FT_LIP_SUCK_UPPER_RIGHT, XRFaceTracker::FT_LIP_SUCK_UPPER_LEFT, -1, -1 } },
|
||
|
|
{ XRFaceTracker::FT_LIP_SUCK_LOWER,
|
||
|
|
{ XRFaceTracker::FT_LIP_SUCK_LOWER_RIGHT, XRFaceTracker::FT_LIP_SUCK_LOWER_LEFT, -1, -1 } },
|
||
|
|
{ XRFaceTracker::FT_LIP_SUCK,
|
||
|
|
{ XRFaceTracker::FT_LIP_SUCK_UPPER_RIGHT, XRFaceTracker::FT_LIP_SUCK_UPPER_LEFT, XRFaceTracker::FT_LIP_SUCK_LOWER_RIGHT, XRFaceTracker::FT_LIP_SUCK_LOWER_LEFT } },
|
||
|
|
{ XRFaceTracker::FT_LIP_FUNNEL_UPPER,
|
||
|
|
{ XRFaceTracker::FT_LIP_FUNNEL_UPPER_RIGHT, XRFaceTracker::FT_LIP_FUNNEL_UPPER_LEFT, -1, -1 } },
|
||
|
|
{ XRFaceTracker::FT_LIP_FUNNEL_LOWER,
|
||
|
|
{ XRFaceTracker::FT_LIP_FUNNEL_LOWER_RIGHT, XRFaceTracker::FT_LIP_FUNNEL_LOWER_LEFT, -1, -1 } },
|
||
|
|
{ XRFaceTracker::FT_LIP_FUNNEL,
|
||
|
|
{ XRFaceTracker::FT_LIP_FUNNEL_UPPER_RIGHT, XRFaceTracker::FT_LIP_FUNNEL_UPPER_LEFT, XRFaceTracker::FT_LIP_FUNNEL_LOWER_RIGHT, XRFaceTracker::FT_LIP_FUNNEL_LOWER_LEFT } },
|
||
|
|
{ XRFaceTracker::FT_LIP_PUCKER_UPPER,
|
||
|
|
{ XRFaceTracker::FT_LIP_PUCKER_UPPER_RIGHT, XRFaceTracker::FT_LIP_PUCKER_UPPER_LEFT, -1, -1 } },
|
||
|
|
{ XRFaceTracker::FT_LIP_PUCKER_LOWER,
|
||
|
|
{ XRFaceTracker::FT_LIP_PUCKER_LOWER_RIGHT, XRFaceTracker::FT_LIP_PUCKER_LOWER_LEFT, -1, -1 } },
|
||
|
|
{ XRFaceTracker::FT_LIP_PUCKER,
|
||
|
|
{ XRFaceTracker::FT_LIP_PUCKER_UPPER_RIGHT, XRFaceTracker::FT_LIP_PUCKER_UPPER_LEFT, XRFaceTracker::FT_LIP_PUCKER_LOWER_RIGHT, XRFaceTracker::FT_LIP_PUCKER_LOWER_LEFT } },
|
||
|
|
{ XRFaceTracker::FT_MOUTH_UPPER_UP,
|
||
|
|
{ XRFaceTracker::FT_MOUTH_UPPER_UP_RIGHT, XRFaceTracker::FT_MOUTH_UPPER_UP_LEFT, -1, -1 } },
|
||
|
|
{ XRFaceTracker::FT_MOUTH_LOWER_DOWN,
|
||
|
|
{ XRFaceTracker::FT_MOUTH_LOWER_DOWN_RIGHT, XRFaceTracker::FT_MOUTH_LOWER_DOWN_LEFT, -1, -1 } },
|
||
|
|
{ XRFaceTracker::FT_MOUTH_OPEN,
|
||
|
|
{ XRFaceTracker::FT_MOUTH_UPPER_UP_RIGHT, XRFaceTracker::FT_MOUTH_UPPER_UP_LEFT, XRFaceTracker::FT_MOUTH_LOWER_DOWN_RIGHT, XRFaceTracker::FT_MOUTH_LOWER_DOWN_LEFT } },
|
||
|
|
{ XRFaceTracker::FT_MOUTH_RIGHT,
|
||
|
|
{ XRFaceTracker::FT_MOUTH_UPPER_RIGHT, XRFaceTracker::FT_MOUTH_LOWER_RIGHT, -1, -1 } },
|
||
|
|
{ XRFaceTracker::FT_MOUTH_LEFT,
|
||
|
|
{ XRFaceTracker::FT_MOUTH_UPPER_LEFT, XRFaceTracker::FT_MOUTH_LOWER_LEFT, -1, -1 } },
|
||
|
|
{ XRFaceTracker::FT_MOUTH_SMILE_RIGHT,
|
||
|
|
{ XRFaceTracker::FT_MOUTH_CORNER_PULL_RIGHT, XRFaceTracker::FT_MOUTH_CORNER_SLANT_RIGHT, -1, -1 } },
|
||
|
|
{ XRFaceTracker::FT_MOUTH_SMILE_LEFT,
|
||
|
|
{ XRFaceTracker::FT_MOUTH_CORNER_PULL_LEFT, XRFaceTracker::FT_MOUTH_CORNER_SLANT_LEFT, -1, -1 } },
|
||
|
|
{ XRFaceTracker::FT_MOUTH_SMILE,
|
||
|
|
{ XRFaceTracker::FT_MOUTH_CORNER_PULL_RIGHT, XRFaceTracker::FT_MOUTH_CORNER_SLANT_RIGHT, XRFaceTracker::FT_MOUTH_CORNER_PULL_LEFT, XRFaceTracker::FT_MOUTH_CORNER_SLANT_LEFT } },
|
||
|
|
{ XRFaceTracker::FT_MOUTH_SAD_RIGHT,
|
||
|
|
{ XRFaceTracker::FT_MOUTH_FROWN_RIGHT, XRFaceTracker::FT_MOUTH_STRETCH_RIGHT, -1, -1 } },
|
||
|
|
{ XRFaceTracker::FT_MOUTH_SAD_LEFT,
|
||
|
|
{ XRFaceTracker::FT_MOUTH_FROWN_LEFT, XRFaceTracker::FT_MOUTH_STRETCH_LEFT, -1, -1 } },
|
||
|
|
{ XRFaceTracker::FT_MOUTH_SAD,
|
||
|
|
{ XRFaceTracker::FT_MOUTH_FROWN_RIGHT, XRFaceTracker::FT_MOUTH_STRETCH_RIGHT, XRFaceTracker::FT_MOUTH_FROWN_LEFT, XRFaceTracker::FT_MOUTH_STRETCH_LEFT } },
|
||
|
|
{ XRFaceTracker::FT_MOUTH_STRETCH,
|
||
|
|
{ XRFaceTracker::FT_MOUTH_STRETCH_RIGHT, XRFaceTracker::FT_MOUTH_STRETCH_LEFT, -1, -1 } },
|
||
|
|
{ XRFaceTracker::FT_MOUTH_DIMPLE,
|
||
|
|
{ XRFaceTracker::FT_MOUTH_DIMPLE_RIGHT, XRFaceTracker::FT_MOUTH_DIMPLE_LEFT, -1, -1 } },
|
||
|
|
{ XRFaceTracker::FT_MOUTH_TIGHTENER,
|
||
|
|
{ XRFaceTracker::FT_MOUTH_TIGHTENER_RIGHT, XRFaceTracker::FT_MOUTH_TIGHTENER_LEFT, -1, -1 } },
|
||
|
|
{ XRFaceTracker::FT_MOUTH_PRESS,
|
||
|
|
{ XRFaceTracker::FT_MOUTH_PRESS_RIGHT, XRFaceTracker::FT_MOUTH_PRESS_LEFT, -1, -1 } }
|
||
|
|
};
|
||
|
|
|
||
|
|
// Remove unified blend shapes if individual blend shapes are found.
|
||
|
|
for (const unified_blend_entry &entry : unified_blends) {
|
||
|
|
// Check if all individual blend shapes are found.
|
||
|
|
bool found = true;
|
||
|
|
for (const int i : entry.individual) {
|
||
|
|
if (i >= 0 && !p_blend_mapping.find(i)) {
|
||
|
|
found = false;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// If all individual blend shapes are found then remove the unified blend shape.
|
||
|
|
if (found) {
|
||
|
|
p_blend_mapping.erase(entry.unified);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void XRFaceModifier3D::_bind_methods() {
|
||
|
|
ClassDB::bind_method(D_METHOD("set_face_tracker", "tracker_name"), &XRFaceModifier3D::set_face_tracker);
|
||
|
|
ClassDB::bind_method(D_METHOD("get_face_tracker"), &XRFaceModifier3D::get_face_tracker);
|
||
|
|
ADD_PROPERTY(PropertyInfo(Variant::STRING, "face_tracker", PROPERTY_HINT_ENUM_SUGGESTION, "/user/head"), "set_face_tracker", "get_face_tracker");
|
||
|
|
|
||
|
|
ClassDB::bind_method(D_METHOD("set_target", "target"), &XRFaceModifier3D::set_target);
|
||
|
|
ClassDB::bind_method(D_METHOD("get_target"), &XRFaceModifier3D::get_target);
|
||
|
|
ADD_PROPERTY(PropertyInfo(Variant::NODE_PATH, "target", PROPERTY_HINT_NODE_PATH_VALID_TYPES, "MeshInstance3D"), "set_target", "get_target");
|
||
|
|
}
|
||
|
|
|
||
|
|
void XRFaceModifier3D::set_face_tracker(const StringName &p_tracker_name) {
|
||
|
|
tracker_name = p_tracker_name;
|
||
|
|
}
|
||
|
|
|
||
|
|
StringName XRFaceModifier3D::get_face_tracker() const {
|
||
|
|
return tracker_name;
|
||
|
|
}
|
||
|
|
|
||
|
|
void XRFaceModifier3D::set_target(const NodePath &p_target) {
|
||
|
|
target = p_target;
|
||
|
|
|
||
|
|
if (is_inside_tree()) {
|
||
|
|
_get_blend_data();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
NodePath XRFaceModifier3D::get_target() const {
|
||
|
|
return target;
|
||
|
|
}
|
||
|
|
|
||
|
|
MeshInstance3D *XRFaceModifier3D::get_mesh_instance() const {
|
||
|
|
if (!has_node(target)) {
|
||
|
|
return nullptr;
|
||
|
|
}
|
||
|
|
|
||
|
|
Node *node = get_node(target);
|
||
|
|
if (!node) {
|
||
|
|
return nullptr;
|
||
|
|
}
|
||
|
|
|
||
|
|
return Object::cast_to<MeshInstance3D>(node);
|
||
|
|
}
|
||
|
|
|
||
|
|
void XRFaceModifier3D::_get_blend_data() {
|
||
|
|
// This method constructs the blend mapping from the XRFaceTracker
|
||
|
|
// blend shapes to the available blend shapes of the target mesh. It does this
|
||
|
|
// by:
|
||
|
|
//
|
||
|
|
// 1. Identifying the blend shapes of the target mesh and identifying what
|
||
|
|
// XRFaceTracker blend shape they correspond to. The results are
|
||
|
|
// placed in the blend_mapping map.
|
||
|
|
// 2. Prevent over-driving facial blend-shapes by removing any unified blend
|
||
|
|
// shapes from the map if all the individual blend shapes are already
|
||
|
|
// found and going to be driven.
|
||
|
|
|
||
|
|
blend_mapping.clear();
|
||
|
|
|
||
|
|
// Get the target MeshInstance3D.
|
||
|
|
const MeshInstance3D *mesh_instance = get_mesh_instance();
|
||
|
|
if (!mesh_instance) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Get the mesh.
|
||
|
|
const Ref<Mesh> mesh = mesh_instance->get_mesh();
|
||
|
|
if (mesh.is_null()) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Identify all face blend shapes and populate the map.
|
||
|
|
identify_face_blend_shapes(blend_mapping, mesh);
|
||
|
|
|
||
|
|
// Remove the unified blend shapes if all the individual blend shapes are found.
|
||
|
|
remove_driven_unified_blend_shapes(blend_mapping);
|
||
|
|
}
|
||
|
|
|
||
|
|
void XRFaceModifier3D::_update_face_blends() const {
|
||
|
|
// Get the XR Server.
|
||
|
|
const XRServer *xr_server = XRServer::get_singleton();
|
||
|
|
if (!xr_server) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Get the face tracker.
|
||
|
|
const Ref<XRFaceTracker> p = xr_server->get_face_tracker(tracker_name);
|
||
|
|
if (!p.is_valid()) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Get the face mesh.
|
||
|
|
MeshInstance3D *mesh_instance = get_mesh_instance();
|
||
|
|
if (!mesh_instance) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Get the blend weights.
|
||
|
|
const PackedFloat32Array weights = p->get_blend_shapes();
|
||
|
|
|
||
|
|
// Apply all the face blend weights to the mesh.
|
||
|
|
for (const KeyValue<int, int> &it : blend_mapping) {
|
||
|
|
mesh_instance->set_blend_shape_value(it.value, weights[it.key]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void XRFaceModifier3D::_notification(int p_what) {
|
||
|
|
switch (p_what) {
|
||
|
|
case NOTIFICATION_ENTER_TREE: {
|
||
|
|
_get_blend_data();
|
||
|
|
set_process_internal(true);
|
||
|
|
} break;
|
||
|
|
case NOTIFICATION_EXIT_TREE: {
|
||
|
|
set_process_internal(false);
|
||
|
|
blend_mapping.clear();
|
||
|
|
} break;
|
||
|
|
case NOTIFICATION_INTERNAL_PROCESS: {
|
||
|
|
_update_face_blends();
|
||
|
|
} break;
|
||
|
|
default: {
|
||
|
|
} break;
|
||
|
|
}
|
||
|
|
}
|