2 files changed, 156 insertions, 0 deletions
diff --git a/scene/resources/skin.cpp b/scene/resources/skin.cpp
new file mode 100644
index 0000000000..8446e2f249
--- /dev/null
+++ b/scene/resources/skin.cpp
@@ -0,0 +1,102 @@
+#include "skin.h"
+
+void Skin::set_bind_count(int p_size) {
+	ERR_FAIL_COND(p_size < 0);
+	binds.resize(p_size);
+	binds_ptr = binds.ptrw();
+	bind_count = p_size;
+	emit_changed();
+}
+
+void Skin::add_bind(int p_bone, const Transform &p_pose) {
+	uint32_t index = bind_count;
+	set_bind_count(bind_count + 1);
+	set_bind_bone(index, p_bone);
+	set_bind_pose(index, p_pose);
+}
+
+void Skin::set_bind_bone(int p_index, int p_bone) {
+	ERR_FAIL_INDEX(p_index, bind_count);
+	binds_ptr[p_index].bone = p_bone;
+	emit_changed();
+}
+
+void Skin::set_bind_pose(int p_index, const Transform &p_pose) {
+	ERR_FAIL_INDEX(p_index, bind_count);
+	binds_ptr[p_index].pose = p_pose;
+	emit_changed();
+}
+
+void Skin::clear_binds() {
+	binds.clear();
+	binds_ptr = nullptr;
+	bind_count = 0;
+	emit_changed();
+}
+
+bool Skin::_set(const StringName &p_name, const Variant &p_value) {
+	String name = p_name;
+	if (name == "bind_count") {
+		set_bind_count(p_value);
+		return true;
+	} else if (name.begins_with("bind/")) {
+		int index = name.get_slicec('/', 1).to_int();
+		String what = name.get_slicec('/', 2);
+		if (what == "bone") {
+			set_bind_bone(index, p_value);
+			return true;
+		} else if (what == "pose") {
+			set_bind_pose(index, p_value);
+			return true;
+		}
+	}
+	return false;
+}
+
+bool Skin::_get(const StringName &p_name, Variant &r_ret) const {
+
+	String name = p_name;
+	if (name == "bind_count") {
+		r_ret = get_bind_count();
+		return true;
+	} else if (name.begins_with("bind/")) {
+		int index = name.get_slicec('/', 1).to_int();
+		String what = name.get_slicec('/', 2);
+		if (what == "bone") {
+			r_ret = get_bind_bone(index);
+			return true;
+		} else if (what == "pose") {
+			r_ret = get_bind_pose(index);
+			return true;
+		}
+	}
+	return false;
+}
+void Skin::_get_property_list(List<PropertyInfo> *p_list) const {
+	p_list->push_back(PropertyInfo(Variant::INT, "bind_count", PROPERTY_HINT_RANGE, "0,16384,1,or_greater"));
+	for (int i = 0; i < get_bind_count(); i++) {
+		p_list->push_back(PropertyInfo(Variant::INT, "bind/" + itos(i) + "/bone", PROPERTY_HINT_RANGE, "0,16384,1,or_greater"));
+		p_list->push_back(PropertyInfo(Variant::TRANSFORM, "bind/" + itos(i) + "/pose"));
+	}
+}
+
+void Skin::_bind_methods() {
+
+	ClassDB::bind_method(D_METHOD("set_bind_count", "bind_count"), &Skin::set_bind_count);
+	ClassDB::bind_method(D_METHOD("get_bind_count"), &Skin::get_bind_count);
+
+	ClassDB::bind_method(D_METHOD("add_bind", "bone", "pose"), &Skin::add_bind);
+
+	ClassDB::bind_method(D_METHOD("set_bind_pose", "bind_index", "pose"), &Skin::set_bind_pose);
+	ClassDB::bind_method(D_METHOD("get_bind_pose", "bind_index"), &Skin::get_bind_pose);
+
+	ClassDB::bind_method(D_METHOD("set_bind_bone", "bind_index", "bone"), &Skin::set_bind_bone);
+	ClassDB::bind_method(D_METHOD("get_bind_bone", "bind_index"), &Skin::get_bind_bone);
+
+	ClassDB::bind_method(D_METHOD("clear_binds"), &Skin::clear_binds);
+}
+
+Skin::Skin() {
+	bind_count = 0;
+	binds_ptr = nullptr;
+}
diff --git a/scene/resources/skin.h b/scene/resources/skin.h
new file mode 100644
index 0000000000..a7e55bfa89
--- /dev/null
+++ b/scene/resources/skin.h
@@ -0,0 +1,54 @@
+#ifndef SKIN_H
+#define SKIN_H
+
+#include "core/resource.h"
+
+class Skin : public Resource {
+	GDCLASS(Skin, Resource)
+
+	struct Bind {
+		int bone;
+		Transform pose;
+	};
+
+	Vector<Bind> binds;
+
+	Bind *binds_ptr;
+	int bind_count;
+
+protected:
+	bool _set(const StringName &p_name, const Variant &p_value);
+	bool _get(const StringName &p_name, Variant &r_ret) const;
+	void _get_property_list(List<PropertyInfo> *p_list) const;
+
+	static void _bind_methods();
+
+public:
+	void set_bind_count(int p_size);
+	inline int get_bind_count() const { return bind_count; }
+
+	void add_bind(int p_bone, const Transform &p_pose);
+
+	void set_bind_bone(int p_index, int p_bone);
+	void set_bind_pose(int p_index, const Transform &p_pose);
+
+	inline int get_bind_bone(int p_index) const {
+#ifdef DEBUG_ENABLED
+		ERR_FAIL_INDEX_V(p_index, bind_count, -1);
+#endif
+		return binds_ptr[p_index].bone;
+	}
+
+	inline Transform get_bind_pose(int p_index) const {
+#ifdef DEBUG_ENABLED
+		ERR_FAIL_INDEX_V(p_index, bind_count, Transform());
+#endif
+		return binds_ptr[p_index].pose;
+	}
+
+	void clear_binds();
+
+	Skin();
+};
+
+#endif // SKIN_H