Magic_Game/core/e2dcommon.h

1085 lines
16 KiB
C++

#pragma once
#include "e2dmacros.h"
namespace e2d
{
// 方向
enum class Direction : int
{
Up, /* 上 */
Down, /* 下 */
Left, /* 左 */
Right /* 右 */
};
// 线条相交样式
enum class LineJoin : int
{
Miter = 0, /* 斜切 */
Bevel = 1, /* 斜角 */
Round = 2 /* 圆角 */
};
class Size;
// 坐标
class Point
{
public:
float x; // X 坐标
float y; // Y 坐标
public:
Point();
Point(float x, float y);
Point(const Point& other);
Point operator + (Point const & point) const;
Point operator - (Point const & point) const;
Point operator * (float const & point) const;
Point operator / (float const & point) const;
Point operator - () const;
bool operator== (const Point& point) const;
operator e2d::Size() const;
// 判断两点间距离
static float distance(const Point&, const Point&);
};
// 二维向量
typedef Point Vector2;
// 大小
class Size
{
public:
float width; // 宽度
float height; // 高度
public:
Size();
Size(float width, float height);
Size(const Size& other);
Size operator + (Size const & size) const;
Size operator - (Size const & size) const;
Size operator * (float const & size) const;
Size operator / (float const & size) const;
Size operator - () const;
bool operator== (const Size& size) const;
operator e2d::Point() const;
};
// 矩形
class Rect
{
public:
Point origin; // 原点坐标
Size size; // 宽度和高度
public:
Rect();
Rect(float x, float y, float width, float height);
Rect(const Point& pos, const Size& size);
Rect(const Rect& other);
Rect& operator= (const Rect& other);
bool operator== (const Rect& rect) const;
// 设置矩形
void setRect(
float x,
float y,
float width,
float height
);
// 判断点是否在矩形内
bool containsPoint(
const Point& point
) const;
// 判断两矩形是否相交
bool intersects(
const Rect& rect
) const;
};
// 字符串
class String
{
public:
String();
String(const String &);
String(const char *);
String(const wchar_t *);
String(String &&);
~String();
// 判断字符串是否为空
bool isEmpty() const;
// 获取字符串长度
int getLength() const;
// 获取该字符串的散列值
size_t getHashCode() const;
// 获取 Unicode 字符串
std::wstring getWString() const;
// 获取 ANSI 字符串
std::string getCString() const;
// 获取指定位置字符
wchar_t at(
int index
) const;
// 比较字符串
int compare(
const String & str
) const;
// 截取字符串
e2d::String subtract(
int offset, /* 偏移量 */
int count = -1 /* 截取字符数量 */
) const;
// 插入字符串
void insert(
const String & str,
int pos
);
// 替换字符串中的指定内容
void replace(
const String & from, /* 需替换内容 */
const String & to /* 替换成内容 */
);
// 删除字符串中的指定内容
void erase(
int offset, /* 偏移量 */
int count /* 删除字符数量 */
);
// 搜索字符串
int find(
const String & str, /* 查找内容 */
int offset = 0 /* 偏移量 */
) const;
// 清空字符串
void clear();
// 获取大写字符串
String toUpper() const;
// 获取小写字符串
String toLower() const;
// 将字符串转化为 int 型
int toInt() const;
// 将字符串转化为 float 型
float toFloat() const;
// 将字符串转化为 double 型
double toDouble() const;
// 将字符串转化为 bool 型
bool toBool() const;
// 数字类型转字符串
static String parse(int value);
static String parse(unsigned int value);
static String parse(float value);
static String parse(double value);
// 格式化字符串
static String format(const char * format, ...);
static String format(const wchar_t * format, ...);
// 交换两字符串
static void swap(String &str1, String &str2);
// 赋值运算符
String& operator= (const String &);
String& operator= (const char *);
String& operator= (const wchar_t *);
// 运算符
String& operator+= (const String &);
String& operator+= (const char *);
String& operator+= (const wchar_t *);
String operator+ (const String &);
String operator+ (const char *);
String operator+ (const wchar_t *);
// 友元运算符
friend String operator+ (const char *, const String &);
friend String operator+ (const wchar_t*, const String &);
// 类型转换操作符
E2D_OP_EXPLICIT operator const wchar_t* () const;
E2D_OP_EXPLICIT operator wchar_t* () const;
E2D_OP_EXPLICIT operator const char* () const;
E2D_OP_EXPLICIT operator char* () const;
// 比较运算符
bool operator== (const String &) const;
bool operator== (const char *) const;
bool operator== (const wchar_t *) const;
bool operator!= (const String &) const;
bool operator!= (const char *) const;
bool operator!= (const wchar_t *) const;
bool operator> (const String &) const;
bool operator>= (const String &) const;
bool operator< (const String &) const;
bool operator<= (const String &) const;
// << 运算符(后接字符串)
String& operator<< (const String &);
String& operator<< (const char *);
String& operator<< (char *);
String& operator<< (const wchar_t *);
String& operator<< (wchar_t *);
String& operator<< (int value);
String& operator<< (unsigned int value);
String& operator<< (float value);
String& operator<< (double value);
// 其他运算符
wchar_t& operator[] (int);
friend std::ostream& operator<< (std::ostream &, const String &);
friend std::wostream& operator<< (std::wostream &, const String &);
friend std::istream& operator>> (std::istream &, String &);
friend std::wistream& operator>> (std::wistream &, String &);
private:
std::wstring _str;
};
// 颜色
class Color
{
public:
Color();
Color(
float r,
float g,
float b
);
Color(
float r,
float g,
float b,
float alpha
);
Color(
UINT rgb
);
Color(
UINT rgb,
float alpha
);
E2D_OP_EXPLICIT operator D2D1_COLOR_F() const;
public:
enum Value : UINT
{
Black = 0x000000,
Blue = 0x0000FF,
BlueViolet = 0x8A2BE2,
Brown = 0xA52A2A,
Chocolate = 0xD2691E,
DarkBlue = 0x00008B,
DarkGray = 0xA9A9A9,
DarkGreen = 0x006400,
DarkOrange = 0xFF8C00,
DarkRed = 0x8B0000,
DarkViolet = 0x9400D3,
ForestGreen = 0x228B22,
Gold = 0xFFD700,
Gray = 0x808080,
Green = 0x008000,
GreenYellow = 0xADFF2F,
LightBlue = 0xADD8E6,
LightCyan = 0xE0FFFF,
LightGreen = 0x90EE90,
LightGray = 0xD3D3D3,
LightPink = 0xFFB6C1,
LightSeaGreen = 0x20B2AA,
LightSkyBlue = 0x87CEFA,
LightYellow = 0xFFFFE0,
Orange = 0xFFA500,
OrangeRed = 0xFF4500,
Pink = 0xFFC0CB,
Purple = 0x800080,
Red = 0xFF0000,
Silver = 0xC0C0C0,
SkyBlue = 0x87CEEB,
Snow = 0xFFFAFA,
Violet = 0xEE82EE,
Wheat = 0xF5DEB3,
White = 0xFFFFFF,
WhiteSmoke = 0xF5F5F5,
Wood = 0xDEB887,
Yellow = 0xFFFF00,
Yellow_Green = 0x9ACD32
};
private:
void _init(
UINT rgb,
float alpha
);
private:
float r;
float g;
float b;
float a;
};
// 函数对象
class Function
{
public:
Function();
Function(
std::nullptr_t
);
Function(
std::function<void()> func
);
template<typename Func>
Function(Func func) : _func(func) {}
template<typename Func, typename Object>
Function(
Func&& func, /* 对象的成员函数 */
Object&& obj /* 对象指针 */
)
{
_func = std::bind(func, obj);
}
void operator() (void) const;
E2D_OP_EXPLICIT operator bool() const;
protected:
std::function<void()> _func;
};
// 时间段
class Duration
{
public:
Duration();
explicit Duration(
float seconds
);
// 获取毫秒数
int milliseconds() const;
// 获取秒数
float seconds() const;
bool operator== (const Duration &) const;
bool operator!= (const Duration &) const;
bool operator> (const Duration &) const;
bool operator>= (const Duration &) const;
bool operator< (const Duration &) const;
bool operator<= (const Duration &) const;
Duration operator + (Duration const &) const;
Duration operator - (Duration const &) const;
Duration& operator += (Duration const &);
Duration& operator -= (Duration const &);
protected:
std::chrono::milliseconds _ms;
};
// 时间点
class Time
{
public:
Time();
// 获取时间戳
time_t getTimeStamp() const;
// 是否是
bool isZero() const;
Time operator + (Duration const &) const;
Time operator - (Duration const &) const;
Time& operator += (Duration const &);
Time& operator -= (Duration const &);
Duration operator - (Time const &) const;
// 获取当前时间
static Time now();
protected:
std::chrono::steady_clock::time_point _timePoint;
};
// 字体
class Font
{
public:
String family; // 字体族
float size; // 字号
UINT weight; // 粗细值
bool italic; // 斜体
public:
// 字体粗细值
enum Weight : UINT
{
Thin = 100,
ExtraLight = 200,
Light = 300,
Normal = 400,
Medium = 500,
Bold = 700,
ExtraBold = 800,
Black = 900,
ExtraBlack = 950
};
public:
Font();
explicit Font(
const String& family,
float size = 22,
UINT weight = Font::Weight::Normal,
bool italic = false
);
};
// 鼠标键值
enum class MouseCode : int
{
Left, /* 鼠标左键 */
Right, /* 鼠标右键 */
Middle /* 鼠标中键 */
};
// 键盘键值
enum class KeyCode : int
{
Unknown = 0,
Up = 0xC8,
Left = 0xCB,
Right = 0xCD,
Down = 0xD0,
Enter = 0x1C,
Space = 0x39,
Esc = 0x01,
Q = 0x10,
W = 0x11,
E = 0x12,
R = 0x13,
T = 0x14,
Y = 0x15,
U = 0x16,
I = 0x17,
O = 0x18,
P = 0x19,
A = 0x1E,
S = 0x1F,
D = 0x20,
F = 0x21,
G = 0x22,
H = 0x23,
J = 0x24,
K = 0x25,
L = 0x26,
Z = 0x2C,
X = 0x2D,
C = 0x2E,
V = 0x2F,
B = 0x30,
N = 0x31,
M = 0x32,
Num1 = 0x02,
Num2 = 0x03,
Num3 = 0x04,
Num4 = 0x05,
Num5 = 0x06,
Num6 = 0x07,
Num7 = 0x08,
Num8 = 0x09,
Num9 = 0x0A,
Num0 = 0x0B,
Numpad7 = 0x47,
Numpad8 = 0x48,
Numpad9 = 0x49,
Numpad4 = 0x4B,
Numpad5 = 0x4C,
Numpad6 = 0x4D,
Numpad1 = 0x4F,
Numpad2 = 0x50,
Numpad3 = 0x51,
Numpad0 = 0x52,
};
// 按键消息
class KeyEvent
{
public:
// 按键消息类型
enum class Type : int
{
Down = 0x0100, // 按下
Up // 抬起
};
public:
explicit KeyEvent(
HWND hWnd,
UINT message,
WPARAM wParam,
LPARAM lParam
);
// 获取按键键值
KeyCode getCode() const;
// 获取按键次数
int getCount() const;
// 获取事件类型
KeyEvent::Type getType() const;
// VK 键值转换
static KeyCode convertKeyCode(
WPARAM wParam
);
protected:
int _count;
KeyCode _code;
KeyEvent::Type _type;
};
// 鼠标消息
class MouseEvent
{
public:
// 鼠标消息类型
enum class Type : int
{
Move = 0x0200, // 鼠标移动
LeftDown, // 鼠标左键按下
LeftUp, // 鼠标左键抬起
LeftDoubleClick, // 鼠标左键双击
RightDown, // 鼠标右键按下
RightUp, // 鼠标右键抬起
RightDoubleClick, // 鼠标右键双击
MiddleDown, // 鼠标中键按下
MiddleUp, // 鼠标中键抬起
MiddleDoubleClick, // 鼠标中键双击
Wheel // 滑动滚轮
};
public:
explicit MouseEvent(
HWND hWnd,
UINT message,
WPARAM wParam,
LPARAM lParam
);
// 获取鼠标横坐标
float getX() const;
// 获取鼠标纵坐标
float getY() const;
// 获取鼠标坐标
Point getPos() const;
// 获取事件类型
MouseEvent::Type getType() const;
float getWheelDelta() const;
// 鼠标左键是否按下
bool isLButtonDown() const;
// 鼠标右键是否按下
bool isRButtonDown() const;
// 鼠标中键是否按下
bool isMButtonDown() const;
// Shift 键是否按下
bool isShiftDown() const;
// Ctrl 键是否按下
bool isCtrlDown() const;
protected:
UINT _message;
WPARAM _wParam;
LPARAM _lParam;
Point _pos;
MouseEvent::Type _type;
};
class Node;
// 碰撞体
class Collider
{
public:
// 碰撞体形状
enum class Shape
{
None, /* 无 */
Rect, /* 矩形 */
Circle, /* 圆形 */
Ellipse /* 椭圆形 */
};
// 碰撞体交集关系
enum class Relation : int
{
Unknown = 0, /* 关系不确定 */
Disjoin = 1, /* 没有交集 */
IsContained = 2, /* 完全被包含 */
Contains = 3, /* 完全包含 */
Overlap = 4 /* 部分重叠 */
};
public:
explicit Collider(
Node * parent
);
virtual ~Collider();
// 设置碰撞体形状
void setShape(
Shape shape
);
// 是否触发碰撞事件
void setCollisionNotify(
bool notify
);
// 启用或关闭该碰撞体
void setEnabled(
bool enabled
);
// 设置碰撞体的可见性
void setVisible(
bool visible
);
// 设置绘制颜色
void setColor(
Color color
);
// 判断两碰撞体的交集关系
Relation getRelationWith(
Collider * pCollider
) const;
// 是否启用碰撞体
bool isEnabled() const;
// 是否可见
bool isVisible() const;
// 是否触发碰撞事件
bool isCollisionNotify() const;
// 获取绘制颜色
Color getColor() const;
// 获取形状
Shape getShape() const;
// 获取绑定节点
Node* getNode() const;
// 获取 ID2D1Geometry* 对象
ID2D1Geometry* getGeometry() const;
// 重新生成
void recreate();
// 渲染碰撞体
void render();
protected:
E2D_DISABLE_COPY(Collider);
protected:
bool _enabled;
bool _visible;
bool _notify;
Color _color;
Node * _parentNode;
Shape _shape;
ID2D1Geometry* _geometry;
};
// 碰撞事件
class Collision
{
public:
Collision();
explicit Collision(
Node* node,
Collider::Relation relation
);
~Collision();
// 获取发生碰撞节点
Node* getNode() const;
// 获取交集关系
Collider::Relation getRelation() const;
protected:
Node* _node;
Collider::Relation _relation;
};
// 资源
class Resource
{
public:
Resource(
const String& fileName /* 文件路径 */
);
Resource(
size_t resNameId, /* 资源名称 */
const String& resType /* 资源类型 */
);
// 是否是本地文件
bool isFile() const;
const String& getFileName() const;
size_t getResNameId() const;
const String& getResType() const;
size_t getKey() const;
// 比较运算符
bool operator> (const Resource &) const;
bool operator>= (const Resource &) const;
bool operator< (const Resource &) const;
bool operator<= (const Resource &) const;
protected:
bool _isFile;
size_t _resNameId;
String _resType;
String _fileName;
};
// 引用计数对象
class Ref
{
public:
Ref();
virtual ~Ref();
// 增加引用计数
void retain();
// 减少引用计数
void release();
// 获取引用计数
int getRefCount() const;
protected:
E2D_DISABLE_COPY(Ref);
private:
int _refCount;
};
// 图片
class Image :
public Ref
{
public:
Image();
explicit Image(
const Resource& res
);
explicit Image(
const Resource& res,
const Rect& cropRect /* 裁剪矩形 */
);
explicit Image(
const String& fileName
);
explicit Image(
const String& fileName,
const Rect& cropRect /* 裁剪矩形 */
);
virtual ~Image();
// 加载图片资源
bool open(
const Resource& res
);
// 加载图片资源
bool open(
const String& fileName
);
// 将图片裁剪为矩形
void crop(
const Rect& cropRect /* 裁剪矩形 */
);
// 获取宽度
virtual float getWidth() const;
// 获取高度
virtual float getHeight() const;
// 获取大小
virtual Size getSize() const;
// 获取源图片宽度
virtual float getSourceWidth() const;
// 获取源图片高度
virtual float getSourceHeight() const;
// 获取源图片大小
virtual Size getSourceSize() const;
// 获取裁剪位置 X 坐标
virtual float getCropX() const;
// 获取裁剪位置 Y 坐标
virtual float getCropY() const;
// 获取裁剪位置
virtual Point getCropPos() const;
// 获取 ID2D1Bitmap 对象
ID2D1Bitmap * getBitmap();
// 预加载图片资源
static bool preload(
const Resource& res
);
// 清空缓存
static void clearCache();
protected:
E2D_DISABLE_COPY(Image);
// 设置 Bitmap
void _setBitmap(
ID2D1Bitmap * bitmap
);
protected:
Rect _cropRect;
ID2D1Bitmap * _bitmap;
static std::map<Resource, ID2D1Bitmap*> _bitmapCache;
};
// 场景
class Scene :
public Ref
{
public:
Scene();
virtual ~Scene();
// 进入场景
virtual void onEnter() {}
// 退出场景
virtual void onExit() {}
// 按键消息
// 说明:返回 false 将阻止消息继续传递
virtual bool onKeyEvent(KeyEvent e) { return true; }
// 鼠标消息
// 说明:返回 false 将阻止消息继续传递
virtual bool onMouseEvent(MouseEvent e) { return true; }
// 碰撞消息
virtual void onCollision(Collision collision) { }
// 关闭窗口
// 说明:返回 false 将阻止窗口关闭
virtual bool onCloseWindow() { return true; }
// 重写这个函数,它将在每一帧画面刷新时执行
virtual void onUpdate() {}
// 开启或禁用 onUpdate 函数
void setAutoUpdate(
bool bAutoUpdate
);
// 添加节点到场景
void add(
Node * child, /* 要添加的节点 */
int zOrder = 0 /* 渲染顺序 */
);
// 添加多个节点到场景
virtual void add(
const std::vector<Node*>& nodes, /* 节点数组 */
int order = 0 /* 渲染顺序 */
);
// 删除子节点
bool remove(
Node * child
);
// 获取名称相同的子节点
Node* getChild(
const String& name
) const;
// 获取所有名称相同的子节点
std::vector<Node*> getChildren(
const String& name
) const;
// 获取所有子节点
const std::vector<Node*>& getAllChildren() const;
// 获取根节点
Node * getRoot() const;
// 渲染场景画面
void render();
// 更新场景内容
void update();
// 分发鼠标消息
void dispatch(
const MouseEvent& e
);
// 分发按键消息
void dispatch(
const KeyEvent& e
);
protected:
E2D_DISABLE_COPY(Scene);
protected:
bool _autoUpdate;
Node * _root;
};
}
namespace e2d
{
struct autorelease_t { };
extern autorelease_t const autorelease;
}
void* operator new(
size_t size,
e2d::autorelease_t const&
) E2D_NOEXCEPT;
void operator delete(
void* block,
e2d::autorelease_t const&
) E2D_NOEXCEPT;