src/client/content_cao.h

   1 /*
   2 Minetest
   3 Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #pragma once
  21
  22 #include <map>
  23 #include "irrlichttypes_extrabloated.h"
  24 #include "clientobject.h"
  25 #include "object_properties.h"
  26 #include "itemgroup.h"
  27 #include "constants.h"
  28 #include <cassert>
  29
  30 class Camera;
  31 class Client;
  32 struct Nametag;
  33 struct MinimapMarker;
  34
  35 /*
  36         SmoothTranslator
  37 */
  38
  39 template<typename T>
  40 struct SmoothTranslator
  41 {
  42         T val_old;
  43         T val_current;
  44         T val_target;
  45         f32 anim_time = 0;
  46         f32 anim_time_counter = 0;
  47         bool aim_is_end = true;
  48
  49         SmoothTranslator() = default;
  50
  51         void init(T current);
  52
  53         void update(T new_target, bool is_end_position = false,
  54                 float update_interval = -1);
  55
  56         void translate(f32 dtime);
  57 };
  58
  59 struct SmoothTranslatorWrapped : SmoothTranslator<f32>
  60 {
  61         void translate(f32 dtime);
  62 };
  63
  64 struct SmoothTranslatorWrappedv3f : SmoothTranslator<v3f>
  65 {
  66         void translate(f32 dtime);
  67 };
  68
  69 class GenericCAO : public ClientActiveObject
  70 {
  71 private:
  72         // Only set at initialization
  73         std::string m_name = "";
  74         bool m_is_player = false;
  75         bool m_is_local_player = false;
  76         // Property-ish things
  77         ObjectProperties m_prop;
  78         //
  79         scene::ISceneManager *m_smgr = nullptr;
  80         Client *m_client = nullptr;
  81         aabb3f m_selection_box = aabb3f(-BS/3.,-BS/3.,-BS/3., BS/3.,BS/3.,BS/3.);
  82         scene::IMeshSceneNode *m_meshnode = nullptr;
  83         scene::IAnimatedMeshSceneNode *m_animated_meshnode = nullptr;
  84         WieldMeshSceneNode *m_wield_meshnode = nullptr;
  85         scene::IBillboardSceneNode *m_spritenode = nullptr;
  86         scene::IDummyTransformationSceneNode *m_matrixnode = nullptr;
  87         Nametag *m_nametag = nullptr;
  88         MinimapMarker *m_marker = nullptr;
  89         v3f m_position = v3f(0.0f, 10.0f * BS, 0);
  90         v3f m_velocity;
  91         v3f m_acceleration;
  92         v3f m_rotation;
  93         u16 m_hp = 1;
  94         SmoothTranslator<v3f> pos_translator;
  95         SmoothTranslatorWrappedv3f rot_translator;
  96         // Spritesheet/animation stuff
  97         v2f m_tx_size = v2f(1,1);
  98         v2s16 m_tx_basepos;
  99         bool m_initial_tx_basepos_set = false;
 100         bool m_tx_select_horiz_by_yawpitch = false;
 101         v2s32 m_animation_range;
 102         float m_animation_speed = 15.0f;
 103         float m_animation_blend = 0.0f;
 104         bool m_animation_loop = true;
 105         // stores position and rotation for each bone name
 106         std::unordered_map<std::string, core::vector2d<v3f>> m_bone_position;
 107
 108         int m_attachment_parent_id = 0;
 109         std::unordered_set<int> m_attachment_child_ids;
 110         std::string m_attachment_bone = "";
 111         v3f m_attachment_position;
 112         v3f m_attachment_rotation;
 113         bool m_attached_to_local = false;
 114         bool m_force_visible = false;
 115
 116         int m_anim_frame = 0;
 117         int m_anim_num_frames = 1;
 118         float m_anim_framelength = 0.2f;
 119         float m_anim_timer = 0.0f;
 120         ItemGroupList m_armor_groups;
 121         float m_reset_textures_timer = -1.0f;
 122         // stores texture modifier before punch update
 123         std::string m_previous_texture_modifier = "";
 124         // last applied texture modifier
 125         std::string m_current_texture_modifier = "";
 126         bool m_visuals_expired = false;
 127         float m_step_distance_counter = 0.0f;
 128         u8 m_last_light = 255;
 129         bool m_is_visible = false;
 130         s8 m_glow = 0;
 131         // Material
 132         video::E_MATERIAL_TYPE m_material_type;
 133         // Settings
 134         bool m_enable_shaders = false;
 135
 136         bool visualExpiryRequired(const ObjectProperties &newprops) const;
 137
 138 public:
 139         GenericCAO(Client *client, ClientEnvironment *env);
 140
 141         ~GenericCAO();
 142
 143         static ClientActiveObject* create(Client *client, ClientEnvironment *env)
 144         {
 145                 return new GenericCAO(client, env);
 146         }
 147
 148         inline ActiveObjectType getType() const
 149         {
 150                 return ACTIVEOBJECT_TYPE_GENERIC;
 151         }
 152         inline const ItemGroupList &getGroups() const
 153         {
 154                 return m_armor_groups;
 155         }
 156         void initialize(const std::string &data);
 157
 158         void processInitData(const std::string &data);
 159
 160         bool getCollisionBox(aabb3f *toset) const;
 161
 162         bool collideWithObjects() const;
 163
 164         virtual bool getSelectionBox(aabb3f *toset) const;
 165
 166         const v3f getPosition() const;
 167
 168         void setPosition(const v3f &pos)
 169         {
 170                 pos_translator.val_current = pos;
 171         }
 172
 173         inline const v3f &getRotation() const { return m_rotation; }
 174
 175         inline const v3f getAcceleration() const
 176         {
 177                 return m_acceleration;
 178         }
 179
 180         inline const v3f getVelocity() const
 181         {
 182                 return m_velocity;
 183         }
 184
 185         inline const u16 getHp() const
 186         {
 187                 return m_hp;
 188         }
 189
 190         const bool isImmortal();
 191
 192         scene::ISceneNode *getSceneNode() const;
 193
 194         scene::IAnimatedMeshSceneNode *getAnimatedMeshSceneNode() const;
 195
 196         // m_matrixnode controls the position and rotation of the child node
 197         // for all scene nodes, as a workaround for an Irrlicht problem with
 198         // rotations. The child node's position can't be used because it's
 199         // rotated, and must remain as 0.
 200         // Note that m_matrixnode.setPosition() shouldn't be called. Use
 201         // m_matrixnode->getRelativeTransformationMatrix().setTranslation()
 202         // instead (aka getPosRotMatrix().setTranslation()).
 203         inline core::matrix4 &getPosRotMatrix()
 204         {
 205                 assert(m_matrixnode);
 206                 return m_matrixnode->getRelativeTransformationMatrix();
 207         }
 208
 209         inline const core::matrix4 *getAbsolutePosRotMatrix() const
 210         {
 211                 if (!m_matrixnode)
 212                         return nullptr;
 213                 return &m_matrixnode->getAbsoluteTransformation();
 214         }
 215
 216         inline f32 getStepHeight() const
 217         {
 218                 return m_prop.stepheight;
 219         }
 220
 221         inline std::string getName() const
 222         {
 223                 return m_name;
 224         }
 225
 226         inline bool isPlayer() const
 227         {
 228                 return m_is_player;
 229         }
 230
 231         inline bool isLocalPlayer() const
 232         {
 233                 return m_is_local_player;
 234         }
 235
 236         inline bool isVisible() const
 237         {
 238                 return m_is_visible;
 239         }
 240
 241         inline void setVisible(bool toset)
 242         {
 243                 m_is_visible = toset;
 244         }
 245
 246         void setChildrenVisible(bool toset);
 247         void setAttachment(int parent_id, const std::string &bone, v3f position,
 248                         v3f rotation, bool force_visible);
 249         void getAttachment(int *parent_id, std::string *bone, v3f *position,
 250                         v3f *rotation, bool *force_visible) const;
 251         void clearChildAttachments();
 252         void clearParentAttachment();
 253         void addAttachmentChild(int child_id);
 254         void removeAttachmentChild(int child_id);
 255         ClientActiveObject *getParent() const;
 256         int getParentId() const { return m_attachment_parent_id; }
 257         const std::unordered_set<int> &getAttachmentChildIds() const
 258         { return m_attachment_child_ids; }
 259         void updateAttachments();
 260
 261         void removeFromScene(bool permanent);
 262
 263         void addToScene(ITextureSource *tsrc);
 264
 265         inline void expireVisuals()
 266         {
 267                 m_visuals_expired = true;
 268         }
 269
 270         void updateLight(u32 day_night_ratio);
 271
 272         void setNodeLight(u8 light);
 273
 274         /* Get light position(s).
 275          * returns number of positions written into pos[], which must have space
 276          * for at least 3 vectors. */
 277         u16 getLightPosition(v3s16 *pos);
 278
 279         void updateNametag();
 280
 281         void updateMarker();
 282
 283         void updateNodePos();
 284
 285         void step(float dtime, ClientEnvironment *env);
 286
 287         void updateTexturePos();
 288
 289         // ffs this HAS TO BE a string copy! See #5739 if you think otherwise
 290         // Reason: updateTextures(m_previous_texture_modifier);
 291         void updateTextures(std::string mod);
 292
 293         void updateAnimation();
 294
 295         void updateAnimationSpeed();
 296
 297         void updateBonePosition();
 298
 299         void processMessage(const std::string &data);
 300
 301         bool directReportPunch(v3f dir, const ItemStack *punchitem=NULL,
 302                         float time_from_last_punch=1000000);
 303
 304         std::string debugInfoText();
 305
 306         std::string infoText()
 307         {
 308                 return m_prop.infotext;
 309         }
 310
 311         float m_waiting_for_reattach;
 312
 313         ObjectProperties *getProperties()
 314         {
 315                 return &m_prop;
 316         }
 317
 318         void updateMeshCulling();
 319 };