From 8bfaf098c7ab061d6363d3603c773cd9c48f17d7 Mon Sep 17 00:00:00 2001 From: Silc Renew Date: Tue, 10 Jan 2023 18:15:16 +0900 Subject: Add next/reset function to AnimationStateMachine --- doc/classes/AnimationNodeStateMachinePlayback.xml | 11 ++ .../AnimationNodeStateMachineTransition.xml | 3 + doc/classes/AnimationNodeTransition.xml | 2 +- scene/animation/animation_blend_tree.cpp | 16 +-- scene/animation/animation_blend_tree.h | 6 +- scene/animation/animation_node_state_machine.cpp | 132 ++++++++++++++------- scene/animation/animation_node_state_machine.h | 16 ++- 7 files changed, 127 insertions(+), 59 deletions(-) diff --git a/doc/classes/AnimationNodeStateMachinePlayback.xml b/doc/classes/AnimationNodeStateMachinePlayback.xml index 8f53ef0dcf..7e01be12c4 100644 --- a/doc/classes/AnimationNodeStateMachinePlayback.xml +++ b/doc/classes/AnimationNodeStateMachinePlayback.xml @@ -50,11 +50,19 @@ Returns [code]true[/code] if an animation is playing. + + + + If there is a next path by travel or auto advance, immediately transitions from the current state to the next state. + + + Starts playing the given animation. + If [param reset] is [code]true[/code], the animation is played from the beginning. @@ -66,8 +74,11 @@ + Transitions from the current state to another one, following the shortest path. + If the path does not connect from the current state, the animation will play after the state teleports. + If [param reset_on_teleport] is [code]true[/code], the animation is played from the beginning when the travel cause a teleportation. diff --git a/doc/classes/AnimationNodeStateMachineTransition.xml b/doc/classes/AnimationNodeStateMachineTransition.xml index 814b2d0052..eee25fad7c 100644 --- a/doc/classes/AnimationNodeStateMachineTransition.xml +++ b/doc/classes/AnimationNodeStateMachineTransition.xml @@ -28,6 +28,9 @@ Lower priority transitions are preferred when travelling through the tree via [method AnimationNodeStateMachinePlayback.travel] or [member advance_mode] is set to [constant ADVANCE_MODE_AUTO]. + + If [code]true[/code], the destination animation is played back from the beginning when switched. + The transition type. diff --git a/doc/classes/AnimationNodeTransition.xml b/doc/classes/AnimationNodeTransition.xml index f6e2fc5eb2..cd5e45fbdf 100644 --- a/doc/classes/AnimationNodeTransition.xml +++ b/doc/classes/AnimationNodeTransition.xml @@ -43,7 +43,7 @@ The number of enabled input ports for this node. - + If [code]true[/code], the destination animation is played back from the beginning when switched. diff --git a/scene/animation/animation_blend_tree.cpp b/scene/animation/animation_blend_tree.cpp index 1ef0774828..615d420ef2 100644 --- a/scene/animation/animation_blend_tree.cpp +++ b/scene/animation/animation_blend_tree.cpp @@ -718,12 +718,12 @@ Ref AnimationNodeTransition::get_xfade_curve() const { return xfade_curve; } -void AnimationNodeTransition::set_from_start(bool p_from_start) { - from_start = p_from_start; +void AnimationNodeTransition::set_reset(bool p_reset) { + reset = p_reset; } -bool AnimationNodeTransition::is_from_start() const { - return from_start; +bool AnimationNodeTransition::is_reset() const { + return reset; } double AnimationNodeTransition::process(double p_time, bool p_seek, bool p_is_external_seeking) { @@ -783,7 +783,7 @@ double AnimationNodeTransition::process(double p_time, bool p_seek, bool p_is_ex // Blend values must be more than CMP_EPSILON to process discrete keys in edge. real_t blend_inv = 1.0 - blend; - if (from_start && !p_seek && switched) { //just switched, seek to start of current + if (reset && !p_seek && switched) { //just switched, seek to start of current rem = blend_input(cur_current, 0, true, p_is_external_seeking, Math::is_zero_approx(blend_inv) ? CMP_EPSILON : blend_inv, FILTER_IGNORE, true); } else { rem = blend_input(cur_current, p_time, p_seek, p_is_external_seeking, Math::is_zero_approx(blend_inv) ? CMP_EPSILON : blend_inv, FILTER_IGNORE, true); @@ -836,13 +836,13 @@ void AnimationNodeTransition::_bind_methods() { ClassDB::bind_method(D_METHOD("set_xfade_curve", "curve"), &AnimationNodeTransition::set_xfade_curve); ClassDB::bind_method(D_METHOD("get_xfade_curve"), &AnimationNodeTransition::get_xfade_curve); - ClassDB::bind_method(D_METHOD("set_from_start", "from_start"), &AnimationNodeTransition::set_from_start); - ClassDB::bind_method(D_METHOD("is_from_start"), &AnimationNodeTransition::is_from_start); + ClassDB::bind_method(D_METHOD("set_reset", "reset"), &AnimationNodeTransition::set_reset); + ClassDB::bind_method(D_METHOD("is_reset"), &AnimationNodeTransition::is_reset); ADD_PROPERTY(PropertyInfo(Variant::INT, "enabled_inputs", PROPERTY_HINT_RANGE, "0,64,1", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_UPDATE_ALL_IF_MODIFIED), "set_enabled_inputs", "get_enabled_inputs"); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "xfade_time", PROPERTY_HINT_RANGE, "0,120,0.01,suffix:s"), "set_xfade_time", "get_xfade_time"); ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "xfade_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_xfade_curve", "get_xfade_curve"); - ADD_PROPERTY(PropertyInfo(Variant::BOOL, "from_start"), "set_from_start", "is_from_start"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "reset"), "set_reset", "is_reset"); for (int i = 0; i < MAX_INPUTS; i++) { ADD_PROPERTYI(PropertyInfo(Variant::STRING, "input_" + itos(i) + "/name", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_INTERNAL), "set_input_caption", "get_input_caption", i); diff --git a/scene/animation/animation_blend_tree.h b/scene/animation/animation_blend_tree.h index e72471202e..976620a6a8 100644 --- a/scene/animation/animation_blend_tree.h +++ b/scene/animation/animation_blend_tree.h @@ -299,7 +299,7 @@ class AnimationNodeTransition : public AnimationNodeSync { double xfade_time = 0.0; Ref xfade_curve; - bool from_start = true; + bool reset = true; void _update_inputs(); @@ -328,8 +328,8 @@ public: void set_xfade_curve(const Ref &p_curve); Ref get_xfade_curve() const; - void set_from_start(bool p_from_start); - bool is_from_start() const; + void set_reset(bool p_reset); + bool is_reset() const; double process(double p_time, bool p_seek, bool p_is_external_seeking) override; diff --git a/scene/animation/animation_node_state_machine.cpp b/scene/animation/animation_node_state_machine.cpp index f5df64dbdd..92b73101c7 100644 --- a/scene/animation/animation_node_state_machine.cpp +++ b/scene/animation/animation_node_state_machine.cpp @@ -107,6 +107,15 @@ Ref AnimationNodeStateMachineTransition::get_xfade_curve() const { return xfade_curve; } +void AnimationNodeStateMachineTransition::set_reset(bool p_reset) { + reset = p_reset; + emit_changed(); +} + +bool AnimationNodeStateMachineTransition::is_reset() const { + return reset; +} + void AnimationNodeStateMachineTransition::set_priority(int p_priority) { priority = p_priority; emit_changed(); @@ -132,6 +141,9 @@ void AnimationNodeStateMachineTransition::_bind_methods() { ClassDB::bind_method(D_METHOD("set_xfade_curve", "curve"), &AnimationNodeStateMachineTransition::set_xfade_curve); ClassDB::bind_method(D_METHOD("get_xfade_curve"), &AnimationNodeStateMachineTransition::get_xfade_curve); + ClassDB::bind_method(D_METHOD("set_reset", "reset"), &AnimationNodeStateMachineTransition::set_reset); + ClassDB::bind_method(D_METHOD("is_reset"), &AnimationNodeStateMachineTransition::is_reset); + ClassDB::bind_method(D_METHOD("set_priority", "priority"), &AnimationNodeStateMachineTransition::set_priority); ClassDB::bind_method(D_METHOD("get_priority"), &AnimationNodeStateMachineTransition::get_priority); @@ -140,6 +152,9 @@ void AnimationNodeStateMachineTransition::_bind_methods() { ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "xfade_time", PROPERTY_HINT_RANGE, "0,240,0.01,suffix:s"), "set_xfade_time", "get_xfade_time"); ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "xfade_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_xfade_curve", "get_xfade_curve"); + + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "reset"), "set_reset", "is_reset"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "priority", PROPERTY_HINT_RANGE, "0,32,1"), "set_priority", "get_priority"); ADD_GROUP("Switch", ""); ADD_PROPERTY(PropertyInfo(Variant::INT, "switch_mode", PROPERTY_HINT_ENUM, "Immediate,Sync,At End"), "set_switch_mode", "get_switch_mode"); @@ -164,18 +179,27 @@ AnimationNodeStateMachineTransition::AnimationNodeStateMachineTransition() { //////////////////////////////////////////////////////// -void AnimationNodeStateMachinePlayback::travel(const StringName &p_state) { - start_request_travel = true; - start_request = p_state; +void AnimationNodeStateMachinePlayback::travel(const StringName &p_state, bool p_reset_on_teleport) { + travel_request = p_state; + reset_request_on_teleport = p_reset_on_teleport; stop_request = false; } -void AnimationNodeStateMachinePlayback::start(const StringName &p_state) { - start_request_travel = false; +void AnimationNodeStateMachinePlayback::start(const StringName &p_state, bool p_reset) { + travel_request = StringName(); + reset_request = p_reset; + _start(p_state); +} + +void AnimationNodeStateMachinePlayback::_start(const StringName &p_state) { start_request = p_state; stop_request = false; } +void AnimationNodeStateMachinePlayback::next() { + next_request = true; +} + void AnimationNodeStateMachinePlayback::stop() { stop_request = true; } @@ -323,6 +347,15 @@ bool AnimationNodeStateMachinePlayback::_travel(AnimationNodeStateMachine *p_sta } double AnimationNodeStateMachinePlayback::process(AnimationNodeStateMachine *p_state_machine, double p_time, bool p_seek, bool p_is_external_seeking) { + double rem = _process(p_state_machine, p_time, p_seek, p_is_external_seeking); + start_request = StringName(); + next_request = false; + stop_request = false; + reset_request_on_teleport = false; + return rem; +} + +double AnimationNodeStateMachinePlayback::_process(AnimationNodeStateMachine *p_state_machine, double p_time, bool p_seek, bool p_is_external_seeking) { if (p_time == -1) { Ref anodesm = p_state_machine->states[current].node; if (anodesm.is_valid()) { @@ -335,14 +368,13 @@ double AnimationNodeStateMachinePlayback::process(AnimationNodeStateMachine *p_s //if not playing and it can restart, then restart if (!playing && start_request == StringName()) { if (!stop_request && p_state_machine->start_node) { - start(p_state_machine->start_node); + _start(p_state_machine->start_node); } else { return 0; } } if (playing && stop_request) { - stop_request = false; playing = false; return 0; } @@ -350,42 +382,45 @@ double AnimationNodeStateMachinePlayback::process(AnimationNodeStateMachine *p_s bool play_start = false; if (start_request != StringName()) { - if (start_request_travel) { - if (!playing) { - if (!stop_request && p_state_machine->start_node) { - // can restart, just postpone traveling - path.clear(); - current = p_state_machine->start_node; - playing = true; - play_start = true; - } else { - // stopped, invalid state - String node_name = start_request; - start_request = StringName(); //clear start request - ERR_FAIL_V_MSG(0, "Can't travel to '" + node_name + "' if state machine is not playing. Maybe you need to enable Autoplay on Load for one of the nodes in your state machine or call .start() first?"); - } - } else { - if (!_travel(p_state_machine, start_request)) { - // can't travel, then teleport - path.clear(); - current = start_request; - play_start = true; - } - start_request = StringName(); //clear start request - } + // teleport to start + if (p_state_machine->states.has(start_request)) { + path.clear(); + current = start_request; + playing = true; + play_start = true; } else { - // teleport to start - if (p_state_machine->states.has(start_request)) { + StringName node = start_request; + ERR_FAIL_V_MSG(0, "No such node: '" + node + "'"); + } + } else if (travel_request != StringName()) { + if (!playing) { + if (!stop_request && p_state_machine->start_node) { + // can restart, just postpone traveling path.clear(); - current = start_request; + current = p_state_machine->start_node; playing = true; play_start = true; - start_request = StringName(); //clear start request } else { - StringName node = start_request; - start_request = StringName(); //clear start request - ERR_FAIL_V_MSG(0, "No such node: '" + node + "'"); + // stopped, invalid state + String node_name = travel_request; + travel_request = StringName(); + ERR_FAIL_V_MSG(0, "Can't travel to '" + node_name + "' if state machine is not playing. Maybe you need to enable Autoplay on Load for one of the nodes in your state machine or call .start() first?"); } + } else { + if (!_travel(p_state_machine, travel_request)) { + // can't travel, then teleport + if (p_state_machine->states.has(travel_request)) { + path.clear(); + current = travel_request; + play_start = true; + reset_request = reset_request_on_teleport; + } else { + StringName node = travel_request; + travel_request = StringName(); + ERR_FAIL_V_MSG(0, "No such node: '" + node + "'"); + } + } + travel_request = StringName(); } } @@ -396,8 +431,11 @@ double AnimationNodeStateMachinePlayback::process(AnimationNodeStateMachine *p_s current = p_state_machine->start_node; } - len_current = p_state_machine->blend_node(current, p_state_machine->states[current].node, 0, true, p_is_external_seeking, 1.0, AnimationNode::FILTER_IGNORE, true); - pos_current = 0; + if (reset_request) { + len_current = p_state_machine->blend_node(current, p_state_machine->states[current].node, 0, true, p_is_external_seeking, 1.0, AnimationNode::FILTER_IGNORE, true); + pos_current = 0; + reset_request = false; + } } if (!p_state_machine->states.has(current)) { @@ -421,7 +459,8 @@ double AnimationNodeStateMachinePlayback::process(AnimationNodeStateMachine *p_s if (current_curve.is_valid()) { fade_blend = current_curve->sample(fade_blend); } - double rem = p_state_machine->blend_node(current, p_state_machine->states[current].node, p_time, p_seek, p_is_external_seeking, Math::is_zero_approx(fade_blend) ? CMP_EPSILON : fade_blend, AnimationNode::FILTER_IGNORE, true); // Blend values must be more than CMP_EPSILON to process discrete keys in edge. + + double rem = do_start ? len_current : p_state_machine->blend_node(current, p_state_machine->states[current].node, p_time, p_seek, p_is_external_seeking, Math::is_zero_approx(fade_blend) ? CMP_EPSILON : fade_blend, AnimationNode::FILTER_IGNORE, true); // Blend values must be more than CMP_EPSILON to process discrete keys in edge. if (fading_from != StringName()) { double fade_blend_inv = 1.0 - fade_blend; @@ -457,6 +496,7 @@ double AnimationNodeStateMachinePlayback::process(AnimationNodeStateMachine *p_s next_xfade = p_state_machine->transitions[i].transition->get_xfade_time(); current_curve = p_state_machine->transitions[i].transition->get_xfade_curve(); switch_mode = p_state_machine->transitions[i].transition->get_switch_mode(); + reset_request = p_state_machine->transitions[i].transition->is_reset(); next = path[0]; } } @@ -513,6 +553,7 @@ double AnimationNodeStateMachinePlayback::process(AnimationNodeStateMachine *p_s current_curve = p_state_machine->transitions[auto_advance_to].transition->get_xfade_curve(); next_xfade = p_state_machine->transitions[auto_advance_to].transition->get_xfade_time(); switch_mode = p_state_machine->transitions[auto_advance_to].transition->get_switch_mode(); + reset_request = p_state_machine->transitions[auto_advance_to].transition->is_reset(); } } @@ -567,7 +608,7 @@ double AnimationNodeStateMachinePlayback::process(AnimationNodeStateMachine *p_s goto_next = fading_from == StringName(); } - if (goto_next) { //end_loop should be used because fade time may be too small or zero and animation may have looped + if (next_request || goto_next) { //end_loop should be used because fade time may be too small or zero and animation may have looped if (next_xfade) { //time to fade, baby fading_from = current; @@ -591,7 +632,9 @@ double AnimationNodeStateMachinePlayback::process(AnimationNodeStateMachine *p_s current = next; - len_current = p_state_machine->blend_node(current, p_state_machine->states[current].node, 0, true, p_is_external_seeking, CMP_EPSILON, AnimationNode::FILTER_IGNORE, true); // Process next node's first key in here. + if (reset_request) { + len_current = p_state_machine->blend_node(current, p_state_machine->states[current].node, 0, true, p_is_external_seeking, CMP_EPSILON, AnimationNode::FILTER_IGNORE, true); // Process next node's first key in here. + } if (switch_mode == AnimationNodeStateMachineTransition::SWITCH_MODE_SYNC) { pos_current = MIN(pos_current, len_current); p_state_machine->blend_node(current, p_state_machine->states[current].node, pos_current, true, p_is_external_seeking, 0, AnimationNode::FILTER_IGNORE, true); @@ -652,8 +695,9 @@ bool AnimationNodeStateMachinePlayback::_check_advance_condition(const Ref xfade_curve; + bool reset = true; int priority = 1; String advance_expression; @@ -84,6 +85,9 @@ public: void set_xfade_time(float p_xfade); float get_xfade_time() const; + void set_reset(bool p_reset); + bool is_reset() const; + void set_xfade_curve(const Ref &p_curve); Ref get_xfade_curve() const; @@ -131,10 +135,15 @@ class AnimationNodeStateMachinePlayback : public Resource { bool playing = false; StringName start_request; - bool start_request_travel = false; + StringName travel_request; + bool reset_request = false; + bool reset_request_on_teleport = false; + bool next_request = false; bool stop_request = false; bool _travel(AnimationNodeStateMachine *p_state_machine, const StringName &p_travel); + void _start(const StringName &p_state); + double _process(AnimationNodeStateMachine *p_state_machine, double p_time, bool p_seek, bool p_is_external_seeking); double process(AnimationNodeStateMachine *p_state_machine, double p_time, bool p_seek, bool p_is_external_seeking); @@ -144,8 +153,9 @@ protected: static void _bind_methods(); public: - void travel(const StringName &p_state); - void start(const StringName &p_state); + void travel(const StringName &p_state, bool p_reset_on_teleport = true); + void start(const StringName &p_state, bool p_reset = true); + void next(); void stop(); bool is_playing() const; StringName get_current_node() const; -- cgit v1.2.3