blob: 32d6fc340813b82b154f10c932572c665ec9e0b6 (
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
|
/** ---------------------------------------------------------------------------
* @file: system.h
*
* Copyright (c) 2017 Yann Herklotz Grave <ymherklotz@gmail.com>
* MIT License, see LICENSE file for more details.
* ----------------------------------------------------------------------------
*/
#ifndef YAGE_ENGINE_SYSTEM_H
#define YAGE_ENGINE_SYSTEM_H
namespace yage
{
/**
* System interface for the different systems in the engine.
*/
class System
{
public:
/**
* Virtual destructor to destroy all the objects that implement this
* properly.
*/
virtual ~System() = 0;
/**
* Initializes the system. Good practice to have this function instead
* using the constructor.
*/
virtual void init() = 0;
/**
* Updates the system at each interval using the time step.
*
* @param dt The time difference between the previous frame and the current one.
*/
virtual void update(double dt) = 0;
};
/**
* Implement the default destructor, but leaving it as purely virtual in the
* definition of the abstract class. This is so that the classes that implement
* the abstract class have to implement a desctructor, but at the same time,
* that there is no undefined behavious when the stack unwinds to the system and
* calls the system destructor.
*/
inline System::~System() {}
} // namespace yage
#endif
|
