src/server/luaentity_sao.h

   1 /*
   2 Minetest
   3 Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
   4 Copyright (C) 2013-2020 Minetest core developers & community
   5
   6 This program is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU Lesser General Public License as published by
   8 the Free Software Foundation; either version 2.1 of the License, or
   9 (at your option) any later version.
  10
  11 This program is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU Lesser General Public License for more details.
  15
  16 You should have received a copy of the GNU Lesser General Public License along
  17 with this program; if not, write to the Free Software Foundation, Inc.,
  18 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 */
  20
  21 #pragma once
  22
  23 #include "unit_sao.h"
  24
  25 class LuaEntitySAO : public UnitSAO
  26 {
  27 public:
  28         LuaEntitySAO() = delete;
  29         // Used by the environment to load SAO
  30         LuaEntitySAO(ServerEnvironment *env, v3f pos, const std::string &data);
  31         // Used by the Lua API
  32         LuaEntitySAO(ServerEnvironment *env, v3f pos, const std::string &name,
  33                         const std::string &state) :
  34                         UnitSAO(env, pos),
  35                         m_init_name(name), m_init_state(state)
  36         {
  37         }
  38         ~LuaEntitySAO();
  39         ActiveObjectType getType() const { return ACTIVEOBJECT_TYPE_LUAENTITY; }
  40         ActiveObjectType getSendType() const { return ACTIVEOBJECT_TYPE_GENERIC; }
  41         virtual void addedToEnvironment(u32 dtime_s);
  42         void step(float dtime, bool send_recommended);
  43         std::string getClientInitializationData(u16 protocol_version);
  44         bool isStaticAllowed() const { return m_prop.static_save; }
  45         bool shouldUnload() const { return true; }
  46         void getStaticData(std::string *result) const;
  47         u16 punch(v3f dir, const ToolCapabilities *toolcap = nullptr,
  48                         ServerActiveObject *puncher = nullptr,
  49                         float time_from_last_punch = 1000000.0f);
  50         void rightClick(ServerActiveObject *clicker);
  51         void setPos(const v3f &pos);
  52         void moveTo(v3f pos, bool continuous);
  53         float getMinimumSavedMovement();
  54         std::string getDescription();
  55         void setHP(s32 hp, const PlayerHPChangeReason &reason);
  56         u16 getHP() const;
  57
  58         /* LuaEntitySAO-specific */
  59         void setVelocity(v3f velocity);
  60         void addVelocity(v3f velocity) { m_velocity += velocity; }
  61         v3f getVelocity();
  62         void setAcceleration(v3f acceleration);
  63         v3f getAcceleration();
  64
  65         void setTextureMod(const std::string &mod);
  66         std::string getTextureMod() const;
  67         void setSprite(v2s16 p, int num_frames, float framelength,
  68                         bool select_horiz_by_yawpitch);
  69         std::string getName();
  70         bool getCollisionBox(aabb3f *toset) const;
  71         bool getSelectionBox(aabb3f *toset) const;
  72         bool collideWithObjects() const;
  73
  74 private:
  75         std::string getPropertyPacket();
  76         void sendPosition(bool do_interpolate, bool is_movement_end);
  77         std::string generateSetTextureModCommand() const;
  78         static std::string generateSetSpriteCommand(v2s16 p, u16 num_frames,
  79                         f32 framelength, bool select_horiz_by_yawpitch);
  80
  81         std::string m_init_name;
  82         std::string m_init_state;
  83         bool m_registered = false;
  84
  85         v3f m_velocity;
  86         v3f m_acceleration;
  87
  88         v3f m_last_sent_position;
  89         v3f m_last_sent_velocity;
  90         v3f m_last_sent_rotation;
  91         float m_last_sent_position_timer = 0.0f;
  92         float m_last_sent_move_precision = 0.0f;
  93         std::string m_current_texture_modifier = "";
  94 };