#include "animation_blend_space_1d.h" void AnimationNodeBlendSpace1D::_validate_property(PropertyInfo &property) const { if (property.name.begins_with("blend_point_")) { String left = property.name.get_slicec('/', 0); int idx = left.get_slicec('_', 2).to_int(); if (idx >= blend_points_used) { property.usage = 0; } } AnimationRootNode::_validate_property(property); } void AnimationNodeBlendSpace1D::_bind_methods() { ClassDB::bind_method(D_METHOD("add_blend_point", "node", "pos", "at_index"), &AnimationNodeBlendSpace1D::add_blend_point, DEFVAL(-1)); ClassDB::bind_method(D_METHOD("set_blend_point_position", "point", "pos"), &AnimationNodeBlendSpace1D::set_blend_point_position); ClassDB::bind_method(D_METHOD("get_blend_point_position", "point"), &AnimationNodeBlendSpace1D::get_blend_point_position); ClassDB::bind_method(D_METHOD("set_blend_point_node", "point", "node"), &AnimationNodeBlendSpace1D::set_blend_point_node); ClassDB::bind_method(D_METHOD("get_blend_point_node", "point"), &AnimationNodeBlendSpace1D::get_blend_point_node); ClassDB::bind_method(D_METHOD("remove_blend_point", "point"), &AnimationNodeBlendSpace1D::remove_blend_point); ClassDB::bind_method(D_METHOD("get_blend_point_count"), &AnimationNodeBlendSpace1D::get_blend_point_count); ClassDB::bind_method(D_METHOD("set_min_space", "min_space"), &AnimationNodeBlendSpace1D::set_min_space); ClassDB::bind_method(D_METHOD("get_min_space"), &AnimationNodeBlendSpace1D::get_min_space); ClassDB::bind_method(D_METHOD("set_max_space", "max_space"), &AnimationNodeBlendSpace1D::set_max_space); ClassDB::bind_method(D_METHOD("get_max_space"), &AnimationNodeBlendSpace1D::get_max_space); ClassDB::bind_method(D_METHOD("set_snap", "snap"), &AnimationNodeBlendSpace1D::set_snap); ClassDB::bind_method(D_METHOD("get_snap"), &AnimationNodeBlendSpace1D::get_snap); ClassDB::bind_method(D_METHOD("set_blend_pos", "pos"), &AnimationNodeBlendSpace1D::set_blend_pos); ClassDB::bind_method(D_METHOD("get_blend_pos"), &AnimationNodeBlendSpace1D::get_blend_pos); ClassDB::bind_method(D_METHOD("set_value_label", "text"), &AnimationNodeBlendSpace1D::set_value_label); ClassDB::bind_method(D_METHOD("get_value_label"), &AnimationNodeBlendSpace1D::get_value_label); ClassDB::bind_method(D_METHOD("_add_blend_point", "index", "node"), &AnimationNodeBlendSpace1D::_add_blend_point); for (int i = 0; i < MAX_BLEND_POINTS; i++) { ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "blend_point_" + itos(i) + "/node", PROPERTY_HINT_RESOURCE_TYPE, "AnimationRootNode", PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_INTERNAL | PROPERTY_USAGE_DO_NOT_SHARE_ON_DUPLICATE), "_add_blend_point", "get_blend_point_node", i); ADD_PROPERTYI(PropertyInfo(Variant::REAL, "blend_point_" + itos(i) + "/pos", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_INTERNAL), "set_blend_point_position", "get_blend_point_position", i); } ADD_PROPERTY(PropertyInfo(Variant::REAL, "min_space", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "set_min_space", "get_min_space"); ADD_PROPERTY(PropertyInfo(Variant::REAL, "max_space", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "set_max_space", "get_max_space"); ADD_PROPERTY(PropertyInfo(Variant::REAL, "snap", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "set_snap", "get_snap"); ADD_PROPERTY(PropertyInfo(Variant::REAL, "blend_pos", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "set_blend_pos", "get_blend_pos"); ADD_PROPERTY(PropertyInfo(Variant::STRING, "value_label", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "set_value_label", "get_value_label"); } void AnimationNodeBlendSpace1D::add_blend_point(const Ref &p_node, float p_position, int p_at_index) { ERR_FAIL_COND(blend_points_used >= MAX_BLEND_POINTS); ERR_FAIL_COND(p_node.is_null()); ERR_FAIL_COND(p_node->get_parent().is_valid()); ERR_FAIL_COND(p_at_index < -1 || p_at_index > blend_points_used); if (p_at_index == -1 || p_at_index == blend_points_used) { p_at_index = blend_points_used; } else { for (int i = blend_points_used - 1; i > p_at_index; i++) { blend_points[i] = blend_points[i - 1]; } } blend_points[p_at_index].node = p_node; blend_points[p_at_index].position = p_position; blend_points[p_at_index].node->set_parent(this); blend_points[p_at_index].node->set_tree(get_tree()); blend_points_used++; } void AnimationNodeBlendSpace1D::set_blend_point_position(int p_point, float p_position) { ERR_FAIL_INDEX(p_point, blend_points_used); blend_points[p_point].position = p_position; } void AnimationNodeBlendSpace1D::set_blend_point_node(int p_point, const Ref &p_node) { ERR_FAIL_INDEX(p_point, blend_points_used); ERR_FAIL_COND(p_node.is_null()); if (blend_points[p_point].node.is_valid()) { blend_points[p_point].node->set_parent(NULL); blend_points[p_point].node->set_tree(NULL); } blend_points[p_point].node = p_node; blend_points[p_point].node->set_parent(this); blend_points[p_point].node->set_tree(get_tree()); } float AnimationNodeBlendSpace1D::get_blend_point_position(int p_point) const { ERR_FAIL_INDEX_V(p_point, blend_points_used, 0); return blend_points[p_point].position; } Ref AnimationNodeBlendSpace1D::get_blend_point_node(int p_point) const { ERR_FAIL_INDEX_V(p_point, blend_points_used, Ref()); return blend_points[p_point].node; } void AnimationNodeBlendSpace1D::remove_blend_point(int p_point) { ERR_FAIL_INDEX(p_point, blend_points_used); blend_points[p_point].node->set_parent(NULL); blend_points[p_point].node->set_tree(NULL); for (int i = p_point; i < blend_points_used - 1; i++) { blend_points[i] = blend_points[i + 1]; } blend_points_used--; } int AnimationNodeBlendSpace1D::get_blend_point_count() const { return blend_points_used; } void AnimationNodeBlendSpace1D::set_min_space(float p_min) { min_space = p_min; if (min_space >= max_space) { min_space = max_space - 1; } } float AnimationNodeBlendSpace1D::get_min_space() const { return min_space; } void AnimationNodeBlendSpace1D::set_max_space(float p_max) { max_space = p_max; if (max_space <= min_space) { max_space = min_space + 1; } } float AnimationNodeBlendSpace1D::get_max_space() const { return max_space; } void AnimationNodeBlendSpace1D::set_snap(float p_snap) { snap = p_snap; } float AnimationNodeBlendSpace1D::get_snap() const { return snap; } void AnimationNodeBlendSpace1D::set_blend_pos(float p_pos) { blend_pos = p_pos; } float AnimationNodeBlendSpace1D::get_blend_pos() const { return blend_pos; } void AnimationNodeBlendSpace1D::set_value_label(const String &p_label) { value_label = p_label; } String AnimationNodeBlendSpace1D::get_value_label() const { return value_label; } void AnimationNodeBlendSpace1D::_add_blend_point(int p_index, const Ref &p_node) { if (p_index == blend_points_used) { add_blend_point(p_node, 0); } else { set_blend_point_node(p_index, p_node); } } float AnimationNodeBlendSpace1D::process(float p_time, bool p_seek) { if (blend_points_used == 0) { return 0.0; } if (blend_points_used == 1) { // only one point available, just play that animation return blend_node(blend_points[0].node, p_time, p_seek, 1.0, FILTER_IGNORE, false); } int point_lower = -1; float pos_lower = 0.0; int point_higher = -1; float pos_higher = 0.0; // find the closest two points to blend between for (int i = 0; i < blend_points_used; i++) { float pos = blend_points[i].position; if (pos <= blend_pos) { if (point_lower == -1) { point_lower = i; pos_lower = pos; } else if ((blend_pos - pos) < (blend_pos - pos_lower)) { point_lower = i; pos_lower = pos; } } else { if (point_higher == -1) { point_higher = i; pos_higher = pos; } else if ((pos - blend_pos) < (pos_higher - blend_pos)) { point_higher = i; pos_higher = pos; } } } if (point_lower == -1) { // we are on the left side, no other point to the left // we just play the next point. return blend_node(blend_points[point_higher].node, p_time, p_seek, 1.0, FILTER_IGNORE, false); } else if (point_higher == -1) { // we are on the right side, no other point to the right // we just play the previous point return blend_node(blend_points[point_lower].node, p_time, p_seek, 1.0, FILTER_IGNORE, false); } else { //w we are between two points. // figure out weights, then blend the animations float distance_between_points = pos_higher - pos_lower; float current_pos_inbetween = blend_pos - pos_lower; float blend_percentage = current_pos_inbetween / distance_between_points; float blend_lower = 1.0 - blend_percentage; float blend_higher = blend_percentage; float time_remaining_lower = 0.0; float time_remaining_higher = 0.0; time_remaining_lower = blend_node(blend_points[point_lower].node, p_time, p_seek, blend_lower, FILTER_IGNORE, false); time_remaining_higher = blend_node(blend_points[point_higher].node, p_time, p_seek, blend_higher, FILTER_IGNORE, false); return MAX(time_remaining_lower, time_remaining_higher); } } String AnimationNodeBlendSpace1D::get_caption() const { return "BlendSpace1D"; } AnimationNodeBlendSpace1D::AnimationNodeBlendSpace1D() { blend_points_used = 0; max_space = 1; min_space = -1; snap = 0.1; value_label = "value"; } AnimationNodeBlendSpace1D::~AnimationNodeBlendSpace1D() { for (int i = 0; i < blend_points_used; i++) { blend_points[i].node->set_parent(this); blend_points[i].node->set_tree(get_tree()); } }