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Diffstat (limited to 'src/system.h')
-rw-r--r-- | src/system.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/src/system.h b/src/system.h new file mode 100644 index 0000000..e630c48 --- /dev/null +++ b/src/system.h | |||
@@ -0,0 +1,55 @@ | |||
1 | #ifndef SYSTEM_H_B61A8CEA | ||
2 | #define SYSTEM_H_B61A8CEA | ||
3 | |||
4 | #include "entity_manager.h" | ||
5 | |||
6 | class Game; | ||
7 | class Texture; | ||
8 | |||
9 | class System { | ||
10 | public: | ||
11 | |||
12 | using id_type = EntityManager::id_type; | ||
13 | |||
14 | System(Game& game) : game_(game) | ||
15 | { | ||
16 | } | ||
17 | |||
18 | virtual ~System() = default; | ||
19 | |||
20 | /** | ||
21 | * Updates the state of a system. | ||
22 | * | ||
23 | * @param dt - The amount of time in seconds that have passed since the last | ||
24 | * update. | ||
25 | */ | ||
26 | virtual void tick(double) | ||
27 | { | ||
28 | } | ||
29 | |||
30 | /** | ||
31 | * Renders to a texture. | ||
32 | * | ||
33 | * @param texture - The surface to render to. | ||
34 | */ | ||
35 | virtual void render(Texture&) | ||
36 | { | ||
37 | } | ||
38 | |||
39 | /** | ||
40 | * Processes keyboard input. | ||
41 | * | ||
42 | * @param key - The relevant key. | ||
43 | * | ||
44 | * @param action - The action performed (press, released, etc). | ||
45 | */ | ||
46 | virtual void input(int, int) | ||
47 | { | ||
48 | } | ||
49 | |||
50 | protected: | ||
51 | |||
52 | Game& game_; | ||
53 | }; | ||
54 | |||
55 | #endif /* end of include guard: SYSTEM_H_B61A8CEA */ | ||