summaryrefslogtreecommitdiff
path: root/src/clientenvironment.h
blob: 79b4797ad07e9bc9483a4425aaf1d83b3a9ec084 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
/*
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;
	};
};

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;
	UNORDERED_MAP<u16, ClientActiveObject*> 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