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Merge pull request #93368 from rburing/fti_skinning

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Physics interpolation: Fix 2D skinning
This commit is contained in:
Rémi Verschelde 2024-06-20 16:18:47 +02:00
parent 58d13b9790 6d35dcf7c5
commit ff9c6332fd
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GPG key ID: C3336907360768E1
2 changed files with 76 additions and 7 deletions
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69
scene/2d/skeleton_2d.cpp
View file

@ -30,6 +30,8 @@
#include "skeleton_2d.h"
#include "core/math/transform_interpolator.h"
#ifdef TOOLS_ENABLED
#include "editor/editor_data.h"
#include "editor/editor_settings.h"
@ -634,6 +636,30 @@ Bone2D *Skeleton2D::get_bone(int p_idx) {
return bones[p_idx].bone;
}
void Skeleton2D::_update_process_mode() {
bool process = modification_stack.is_valid() && is_inside_tree();
if (!process) {
// We might have another reason to process.
process = is_physics_interpolated_and_enabled() && is_visible_in_tree();
}
set_process_internal(process);
set_physics_process_internal(process);
}
void Skeleton2D::_ensure_update_interpolation_data() {
uint64_t tick = Engine::get_singleton()->get_physics_frames();
if (_interpolation_data.last_update_physics_tick != tick) {
_interpolation_data.xform_prev = _interpolation_data.xform_curr;
_interpolation_data.last_update_physics_tick = tick;
}
}
void Skeleton2D::_physics_interpolated_changed() {
_update_process_mode();
}
void Skeleton2D::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_READY: {
@ -646,17 +672,47 @@ void Skeleton2D::_notification(int p_what) {
request_ready();
} break;
case NOTIFICATION_ENTER_TREE: {
_update_process_mode();
if (is_physics_interpolated_and_enabled()) {
_interpolation_data.xform_curr = get_global_transform();
_interpolation_data.xform_prev = _interpolation_data.xform_curr;
}
} break;
case NOTIFICATION_TRANSFORM_CHANGED: {
RS::get_singleton()->skeleton_set_base_transform_2d(skeleton, get_global_transform());
if (is_physics_interpolated_and_enabled()) {
_ensure_update_interpolation_data();
if (Engine::get_singleton()->is_in_physics_frame()) {
_interpolation_data.xform_curr = get_global_transform();
}
} else {
RS::get_singleton()->skeleton_set_base_transform_2d(skeleton, get_global_transform());
}
} break;
case NOTIFICATION_RESET_PHYSICS_INTERPOLATION: {
_interpolation_data.xform_curr = get_global_transform();
_interpolation_data.xform_prev = _interpolation_data.xform_curr;
} break;
case NOTIFICATION_INTERNAL_PROCESS: {
if (is_physics_interpolated_and_enabled()) {
Transform2D res;
TransformInterpolator::interpolate_transform_2d(_interpolation_data.xform_prev, _interpolation_data.xform_curr, res, Engine::get_singleton()->get_physics_interpolation_fraction());
RS::get_singleton()->skeleton_set_base_transform_2d(skeleton, res);
}
if (modification_stack.is_valid()) {
execute_modifications(get_process_delta_time(), SkeletonModificationStack2D::EXECUTION_MODE::execution_mode_process);
}
} break;
case NOTIFICATION_INTERNAL_PHYSICS_PROCESS: {
if (is_physics_interpolated_and_enabled()) {
_ensure_update_interpolation_data();
_interpolation_data.xform_curr = get_global_transform();
}
if (modification_stack.is_valid()) {
execute_modifications(get_physics_process_delta_time(), SkeletonModificationStack2D::EXECUTION_MODE::execution_mode_physics_process);
}
@ -666,6 +722,10 @@ void Skeleton2D::_notification(int p_what) {
set_modification_stack(modification_stack);
} break;
case NOTIFICATION_VISIBILITY_CHANGED: {
_update_process_mode();
} break;
#ifdef TOOLS_ENABLED
case NOTIFICATION_DRAW: {
if (Engine::get_singleton()->is_editor_hint()) {
@ -698,22 +758,17 @@ void Skeleton2D::set_modification_stack(Ref<SkeletonModificationStack2D> p_stack
if (modification_stack.is_valid()) {
modification_stack->is_setup = false;
modification_stack->set_skeleton(nullptr);
set_process_internal(false);
set_physics_process_internal(false);
}
modification_stack = p_stack;
if (modification_stack.is_valid() && is_inside_tree()) {
modification_stack->set_skeleton(this);
modification_stack->setup();
set_process_internal(true);
set_physics_process_internal(true);
#ifdef TOOLS_ENABLED
modification_stack->set_editor_gizmos_dirty(true);
#endif // TOOLS_ENABLED
}
_update_process_mode();
}
Ref<SkeletonModificationStack2D> Skeleton2D::get_modification_stack() const {

14
scene/2d/skeleton_2d.h
View file

@ -137,7 +137,21 @@ class Skeleton2D : public Node2D {
Ref<SkeletonModificationStack2D> modification_stack;
///////////////////////////////////////////////////////
// INTERPOLATION
struct InterpolationData {
Transform2D xform_curr;
Transform2D xform_prev;
uint32_t last_update_physics_tick = UINT32_MAX; // Ensure tick 0 is detected as a change.
} _interpolation_data;
void _update_process_mode();
void _ensure_update_interpolation_data();
protected:
virtual void _physics_interpolated_changed() override;
///////////////////////////////////////////////////////
void _notification(int p_what);
static void _bind_methods();
bool _set(const StringName &p_path, const Variant &p_value);