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/*
Minetest
Copyright (C) 2010-2017 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.
*/
#ifndef CLIENT_ENVIRONMENT_HEADER
#define CLIENT_ENVIRONMENT_HEADER
#include <IrrlichtDevice.h>
#include <ISceneManager.h>
#include "environment.h"
#include "clientobject.h"
class ClientSimpleObject;
class ClientMap;
class ClientScripting;
class ClientActiveObject;
class GenericCAO;
class LocalPlayer;
struct PointedThing;
/*
The client-side environment.
This is not thread-safe.
Must be called from main (irrlicht) thread (uses the SceneManager)
Client uses an environment mutex.
*/
enum ClientEnvEventType
{
CEE_NONE,
CEE_PLAYER_DAMAGE,
CEE_PLAYER_BREATH
};
struct ClientEnvEvent
{
ClientEnvEventType type;
union {
//struct{
//} none;
struct{
u8 amount;
bool send_to_server;
} player_damage;
struct{
u16 amount;
} player_breath;
};
};
typedef std::unordered_map<u16, ClientActiveObject*> ClientActiveObjectMap;
class ClientEnvironment : public Environment
{
public:
ClientEnvironment(ClientMap *map, scene::ISceneManager *smgr,
ITextureSource *texturesource, Client *client,
IrrlichtDevice *device);
~ClientEnvironment();
Map & getMap();
ClientMap & getClientMap();
Client *getGameDef() { return m_client; }
void setScript(ClientScripting *script) { m_script = script; }
void step(f32 dtime);
virtual void setLocalPlayer(LocalPlayer *player);
LocalPlayer *getLocalPlayer() { return m_local_player; }
/*
ClientSimpleObjects
*/
void addSimpleObject(ClientSimpleObject *simple);
/*
ActiveObjects
*/
GenericCAO* getGenericCAO(u16 id);
ClientActiveObject* getActiveObject(u16 id);
/*
Adds an active object to the environment.
Environment handles deletion of object.
Object may be deleted by environment immediately.
If id of object is 0, assigns a free id to it.
Returns the id of the object.
Returns 0 if not added and thus deleted.
*/
u16 addActiveObject(ClientActiveObject *object);
void addActiveObject(u16 id, u8 type, const std::string &init_data);
void removeActiveObject(u16 id);
void processActiveObjectMessage(u16 id, const std::string &data);
/*
Callbacks for activeobjects
*/
void damageLocalPlayer(u8 damage, bool handle_hp=true);
void updateLocalPlayerBreath(u16 breath);
/*
Client likes to call these
*/
// Get all nearby objects
void getActiveObjects(v3f origin, f32 max_d,
std::vector<DistanceSortedActiveObject> &dest);
bool hasClientEnvEvents() const { return !m_client_event_queue.empty(); }
// Get event from queue. If queue is empty, it triggers an assertion failure.
ClientEnvEvent getClientEnvEvent();
/*!
* Gets closest object pointed by the shootline.
* Returns NULL if not found.
*
* \param[in] shootline_on_map the shootline for
* the test in world coordinates
* \param[out] intersection_point the first point where
* the shootline meets the object. Valid only if
* not NULL is returned.
* \param[out] intersection_normal the normal vector of
* the intersection, pointing outwards. Zero vector if
* the shootline starts in an active object.
* Valid only if not NULL is returned.
*/
ClientActiveObject * getSelectedActiveObject(
const core::line3d<f32> &shootline_on_map,
v3f *intersection_point,
v3s16 *intersection_normal
);
/*!
* Performs a raycast on the world.
* Returns the first thing the shootline meets.
*
* @param[in] shootline the shootline, starting from
* the camera position. This also gives the maximal distance
* of the search.
* @param[in] liquids_pointable if false, liquids are ignored
* @param[in] look_for_object if false, objects are ignored
*/
PointedThing getPointedThing(
core::line3d<f32> shootline,
bool liquids_pointable,
bool look_for_object);
u16 attachement_parent_ids[USHRT_MAX + 1];
const std::list<std::string> &getPlayerNames() { return m_player_names; }
void addPlayerName(const std::string &name) { m_player_names.push_back(name); }
void removePlayerName(const std::string &name) { m_player_names.remove(name); }
void updateCameraOffset(v3s16 camera_offset)
{ m_camera_offset = camera_offset; }
v3s16 getCameraOffset() const { return m_camera_offset; }
private:
ClientMap *m_map;
LocalPlayer *m_local_player;
scene::ISceneManager *m_smgr;
ITextureSource *m_texturesource;
Client *m_client;
ClientScripting *m_script;
IrrlichtDevice *m_irr;
ClientActiveObjectMap m_active_objects;
std::vector<ClientSimpleObject*> m_simple_objects;
std::queue<ClientEnvEvent> m_client_event_queue;
IntervalLimiter m_active_object_light_update_interval;
IntervalLimiter m_lava_hurt_interval;
IntervalLimiter m_drowning_interval;
IntervalLimiter m_breathing_interval;
std::list<std::string> m_player_names;
v3s16 m_camera_offset;
};
#endif
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