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- /*
- Minetest
- Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public License along
- with this program; if not, write to the Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
- #pragma once
- #include "irr_aabb3d.h"
- #include "irr_v3d.h"
- #include <quaternion.h>
- #include <string>
- #include <unordered_map>
- enum ActiveObjectType {
- ACTIVEOBJECT_TYPE_INVALID = 0,
- ACTIVEOBJECT_TYPE_TEST = 1,
- // Obsolete stuff
- // ACTIVEOBJECT_TYPE_ITEM = 2,
- // ACTIVEOBJECT_TYPE_RAT = 3,
- // ACTIVEOBJECT_TYPE_OERKKI1 = 4,
- // ACTIVEOBJECT_TYPE_FIREFLY = 5,
- // ACTIVEOBJECT_TYPE_MOBV2 = 6,
- // End obsolete stuff
- ACTIVEOBJECT_TYPE_LUAENTITY = 7,
- // Special type, not stored as a static object
- ACTIVEOBJECT_TYPE_PLAYER = 100,
- // Special type, only exists as CAO
- ACTIVEOBJECT_TYPE_GENERIC = 101,
- };
- // Other types are defined in content_object.h
- struct ActiveObjectMessage
- {
- ActiveObjectMessage(u16 id_, bool reliable_=true, std::string_view data_ = "") :
- id(id_),
- reliable(reliable_),
- datastring(data_)
- {}
- u16 id;
- bool reliable;
- std::string datastring;
- };
- enum ActiveObjectCommand {
- AO_CMD_SET_PROPERTIES,
- AO_CMD_UPDATE_POSITION,
- AO_CMD_SET_TEXTURE_MOD,
- AO_CMD_SET_SPRITE,
- AO_CMD_PUNCHED,
- AO_CMD_UPDATE_ARMOR_GROUPS,
- AO_CMD_SET_ANIMATION,
- AO_CMD_SET_BONE_POSITION,
- AO_CMD_ATTACH_TO,
- AO_CMD_SET_PHYSICS_OVERRIDE,
- AO_CMD_OBSOLETE1,
- // ^ UPDATE_NAMETAG_ATTRIBUTES deprecated since 0.4.14, removed in 5.3.0
- AO_CMD_SPAWN_INFANT,
- AO_CMD_SET_ANIMATION_SPEED
- };
- struct BoneOverride
- {
- struct PositionProperty
- {
- v3f previous;
- v3f vector;
- bool absolute = false;
- f32 interp_timer = 0;
- } position;
- v3f getPosition(v3f anim_pos) const {
- f32 progress = dtime_passed / position.interp_timer;
- if (progress > 1.0f || position.interp_timer == 0.0f)
- progress = 1.0f;
- return position.vector.getInterpolated(position.previous, progress)
- + (position.absolute ? v3f() : anim_pos);
- }
- struct RotationProperty
- {
- core::quaternion previous;
- core::quaternion next;
- bool absolute = false;
- f32 interp_timer = 0;
- } rotation;
- v3f getRotationEulerDeg(v3f anim_rot_euler) const {
- core::quaternion rot;
- f32 progress = dtime_passed / rotation.interp_timer;
- if (progress > 1.0f || rotation.interp_timer == 0.0f)
- progress = 1.0f;
- rot.slerp(rotation.previous, rotation.next, progress);
- if (!rotation.absolute) {
- core::quaternion anim_rot(anim_rot_euler * core::DEGTORAD);
- rot = rot * anim_rot; // first rotate by anim. bone rot., then rot.
- }
- v3f rot_euler;
- rot.toEuler(rot_euler);
- return rot_euler * core::RADTODEG;
- }
- struct ScaleProperty
- {
- v3f previous;
- v3f vector{1, 1, 1};
- bool absolute = false;
- f32 interp_timer = 0;
- } scale;
- v3f getScale(v3f anim_scale) const {
- f32 progress = dtime_passed / scale.interp_timer;
- if (progress > 1.0f || scale.interp_timer == 0.0f)
- progress = 1.0f;
- return scale.vector.getInterpolated(scale.previous, progress)
- * (scale.absolute ? v3f(1) : anim_scale);
- }
- f32 dtime_passed = 0;
- bool isIdentity() const
- {
- return !position.absolute && position.vector == v3f()
- && !rotation.absolute && rotation.next == core::quaternion()
- && !scale.absolute && scale.vector == v3f(1);
- }
- };
- typedef std::unordered_map<std::string, BoneOverride> BoneOverrideMap;
- /*
- Parent class for ServerActiveObject and ClientActiveObject
- */
- class ActiveObject
- {
- public:
- ActiveObject(u16 id):
- m_id(id)
- {
- }
- u16 getId() const
- {
- return m_id;
- }
- void setId(u16 id)
- {
- m_id = id;
- }
- virtual ActiveObjectType getType() const = 0;
- /*!
- * Returns the collision box of the object.
- * This box is translated by the object's
- * location.
- * The box's coordinates are world coordinates.
- * @returns true if the object has a collision box.
- */
- virtual bool getCollisionBox(aabb3f *toset) const = 0;
- /*!
- * Returns the selection box of the object.
- * This box is not translated when the
- * object moves.
- * The box's coordinates are world coordinates.
- * @returns true if the object has a selection box.
- */
- virtual bool getSelectionBox(aabb3f *toset) const = 0;
- virtual bool collideWithObjects() const = 0;
- virtual void setAttachment(int parent_id, const std::string &bone, v3f position,
- v3f rotation, bool force_visible) {}
- virtual void getAttachment(int *parent_id, std::string *bone, v3f *position,
- v3f *rotation, bool *force_visible) const {}
- virtual void clearChildAttachments() {}
- virtual void clearParentAttachment() {}
- virtual void addAttachmentChild(int child_id) {}
- virtual void removeAttachmentChild(int child_id) {}
- protected:
- u16 m_id; // 0 is invalid, "no id"
- };
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