ShibaEngine/ComponentArray.h at master · ShibeMaster/ShibaEngine · GitHub

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
#pragma once
#include <mono/metadata/object.h>
#include <unordered_map>
#include <iostream>
#include <rapidjson/prettywriter.h>
#include <rapidjson/stringbuffer.h>
#include <rapidjson/document.h>
#include "ScriptingTypes.h"
#include "imgui.h"
class ComponentArray {
public:
	std::string name;
	virtual ~ComponentArray() = default;
	virtual void OnEntityDestroyed(unsigned int entity) = 0;
	virtual void Start() = 0;
	virtual void Update() = 0;
	virtual void Render() = 0;
	virtual void Clear() = 0;
	virtual void Add(unsigned int entity) = 0;
	virtual bool HasComponent(unsigned int entity) = 0;
	virtual void DrawComponentGUI(unsigned int entity) = 0;
	virtual void DeserializeComponent(unsigned int entity, rapidjson::Value& obj) = 0;
	virtual void SerializeComponent(unsigned int entity, rapidjson::PrettyWriter<rapidjson::StringBuffer>* json) = 0;
	virtual void GetObject(unsigned int entity, ClassInstance* instance) = 0;
	virtual void SetObject(unsigned int entity, ClassInstance* instance) = 0;
};

template<typename T>
class Components : public ComponentArray {
public:
	std::unordered_map<unsigned int, T> components;
	void Add(unsigned int entity, T component) {
		components[entity] = component;
		components[entity].entity = entity;
		components[entity].Initialize();
		components[entity].Start();
	}
	void Add(unsigned int entity) {
		T value;
		value.entity = entity;
		components[entity] = value;
		components[entity].Initialize();
	}
	void Clear() {
		components.clear();
	}
	void Render() {
		for (auto& comp : components)
			comp.second.Render();
	}
	bool HasComponent(unsigned int entity) {
		return components.find(entity) != components.end();
	}
	void Remove(unsigned int entity) {
		components.erase(entity);
	}
	void DeserializeComponent(unsigned int entity, rapidjson::Value& obj) {
		components[entity].Deserialize(obj);
	}
	void SerializeComponent(unsigned int entity, rapidjson::PrettyWriter<rapidjson::StringBuffer>* json) {
		components[entity].Serialize(json);
	}
	T& Get(unsigned int entity) {
		return components[entity];
	}
	T* GetPointer(unsigned int entity) {
		return &components[entity];
	}
	void DrawComponentGUI(unsigned int entity) {
		if (HasComponent(entity)) {

			bool componentExists = true;
			if (ImGui::CollapsingHeader(name.c_str(), &componentExists)) {
				components[entity].DrawGUI(entity);
			}
			if (!componentExists)
				Remove(entity);

		}
	}
	void Start() {
		for (auto& comp : components) {
			comp.second.Start();
		}
	}
	void Update() {
		for (auto& comp : components) {
			comp.second.Update();
		}
	}
	void GetObject(unsigned int entity, ClassInstance* instance) {
		components[entity].GetObject(instance);
	}
	void SetObject(unsigned int entity, ClassInstance* instance) {
		components[entity].SetObject(instance);
	}
	void OnEntityDestroyed(unsigned int entity) {
		if (components.find(entity) != components.end())
			Remove(entity);
	}
};