c++ 制作图形界面游戏模板
c++ 制作图形界面游戏模板
大部分是抄的
上一次更新：2024.02.14
/*
编译命令加上
-lgdiplus -mwindows
*/
#include<bits/stdc++.h>
#include<windows.h>
#include<gdiplus.h>
#pragma GCC optimize(3,"Ofast","inline")
#pragma G++ optimize(3,"Ofast","inline")
using namespace std;
// 高 DPI 感知
#if _WIN32_WINNT < 0x0600
#undef _WIN32_WINNT
#define _WIN32_WINNT 0x0600
#endif
class __HIGH_DPI {
double dpi;
public:
__HIGH_DPI() {
SetProcessDPIAware();
dpi = double(GetDeviceCaps(GetDC(0),LOGPIXELSX)+GetDeviceCaps(GetDC(0),LOGPIXELSY))/192.0;
}
operator double() {
return dpi;
}
} DPI;
const char* name = "Game"; // *窗口名字
const int width = 1000*DPI;
const int height = 562.5*DPI;
int sys_width = GetSystemMetrics(SM_CXSCREEN);
int sys_height = GetSystemMetrics(SM_CYSCREEN);
HWND hwnd;
#define Pos(id,x,y)SetWindowPos(id,NULL,(x)*DPI,(y)*DPI,0,0,SWP_NOSIZE|SWP_NOZORDER)
#define Setwh(id,w,h)SetWindowPos(id,NULL,0,0,(w)*DPI,(h)*DPI,SWP_NOMOVE|SWP_NOZORDER)
#define Text(x,y,text)TextOut(hdc,(x)*DPI,(y)*DPI,text,strlen(text))
#define InputBox(x,y,width,height,text,id,edit)CreateWindow("EDIT",text,WS_VISIBLE|WS_CHILD|ES_AUTOVSCROLL|((edit)?WS_BORDER:ES_READONLY)|ES_MULTILINE,(x)*DPI,(y)*DPI,(width)*DPI,(height)*DPI,hwnd,HMENU(id),NULL,NULL)
#define Button(x,y,width,height,text,id)CreateWindow("BUTTON",text,WS_TABSTOP|WS_VISIBLE|WS_CHILD|BS_DEFPUSHBUTTON,(x)*DPI,(y)*DPI,(width)*DPI,(height)*DPI,hwnd,HMENU(int(id)),(HINSTANCE)GetWindowLong(hwnd,GWLP_HINSTANCE),NULL)
#define Message(mes)PostMessage(hwnd,mes,0,0)
void Fontimpl(HDC hdc, int size, const char* font) {
HFONT hFont=CreateFont(size*DPI,0,0,0,FW_LIGHT,FALSE,FALSE,FALSE,DEFAULT_CHARSET,OUT_DEFAULT_PRECIS,CLIP_DEFAULT_PRECIS,DEFAULT_QUALITY,DEFAULT_PITCH|FF_DONTCARE,font);
SelectObject(hdc,hFont);
}
#define Font(size,font)Fontimpl(hdc,size,font)
void ButtonFont(HWND but,int size, const char* font) {
HFONT hFont=CreateFont(size*DPI,0,0,0,FW_NORMAL,FALSE,FALSE,FALSE,DEFAULT_CHARSET,OUT_DEFAULT_PRECIS,CLIP_DEFAULT_PRECIS,DEFAULT_QUALITY,DEFAULT_PITCH|FF_DONTCARE,font);
SendMessage(but,WM_SETFONT,(WPARAM)hFont,TRUE);
}
void HIDHDPI_Polygon(HDC hdc, POINT* pt, int size) {
POINT pt2[size];
for(int i=0; i<size; i++) pt2[i].x=pt[i].x*DPI, pt2[i].y=pt[i].y*DPI;
Polygon(hdc, pt2, size);
}
#define Polygon HIDHDPI_Polygon
void HIDHDPI_Polyline(HDC hdc, POINT* pt, int size) {
POINT pt2[size];
for(int i=0; i<size; i++) pt2[i].x=pt[i].x*DPI, pt2[i].y=pt[i].y*DPI;
Polyline(hdc, pt2, size);
}
#define Polyline HIDHDPI_Polyline
LRESULT CALLBACK WndProc(HWND __hwnd, UINT msg, WPARAM wParam, LPARAM lParam) {
hwnd = __hwnd;
static HBITMAP hbmMem=NULL, hbmOld; // bitmap 是内存缓冲区，先把图形画在上面，再一次性拷贝，减少闪烁
static HBRUSH EmptyBrush;
/*
Text 显示文本（不可复制）
Font 设置文本大小和字体
InputBox 创建文本框元素（可复制）
Button 创建按钮元素
ButtonFont 设置元素字体
*/
static HWND start;
// static HWND ; *更多按钮句柄......
switch (msg) {
case WM_CREATE: {
// 创建绘图缓冲区
start = Button(10,10,150,40,"开始游戏",1);
EmptyBrush=CreateSolidBrush(RGB(255,255,255));
// 创建元素
ButtonFont(start,30,"楷体");
InputBox(10,170,100,100,"我是文本框",0,1);
InputBox(10,300,100,100,"我是只读文本框",0,0);
/*
ShowWindow(start, SW_HIDE); // 隐藏
ShowWindow(start, SW_SHOW); // 显示
*/
return 0;
}
case WM_CTLCOLORSTATIC: {
SetBkColor((HDC)wParam, RGB(255, 255, 255));
return (INT_PTR)CreateSolidBrush(RGB(255, 255, 255));
}
case WM_PAINT: {
PAINTSTRUCT ps;
HDC window_hdc=BeginPaint(hwnd, &ps), hdc=CreateCompatibleDC(window_hdc);
RECT rect;
// 获取客户区域的尺寸
GetClientRect(hwnd, &rect);
// 创建临时位图
if(hbmMem == NULL)
hbmMem=CreateCompatibleBitmap(window_hdc,rect.right,rect.bottom), hbmOld=(HBITMAP)SelectObject(hdc, hbmMem);
FillRect(hdc,&rect,EmptyBrush);
// *渲染游戏代码
Font(20,"楷体"), Text(10,100,"我是文字");
// 画多边形
POINT points[5];
points[0].x = 150, points[0].y = 150;
points[1].x = 150, points[1].y = 200;
points[2].x = 200, points[2].y = 200;
points[3].x = 200, points[3].y = 150;
points[4].x = 150, points[4].y = 150;
Polygon(hdc, points, 5);
// 结束绘图
BitBlt(window_hdc,0,0,rect.right,rect.bottom,hdc,0,0,SRCCOPY), EndPaint(hwnd,&ps);
return 0;
}
case WM_KEYDOWN: { // 处理键盘按下事件
int keyCode = (int)wParam;
// *进行相应的处理
return 0;
}
case WM_KEYUP: { // 处理键盘松开事件
int keyCode = (int)wParam;
// *进行相应的处理
return 0;
}
case WM_COMMAND: { // 处理按钮点击事件
if (LOWORD(wParam) == 1) {
// *进行相应的处理
} else if (LOWORD(wParam) == 2) {
// *进行相应的处理
}
// *更多按钮......
return 0;
}
case WM_TIMER:
InvalidateRect(hwnd, NULL, TRUE);
return 0;
case WM_CLOSE:
DestroyWindow(hwnd);
return 0;
case WM_DESTROY:
PostQuitMessage(0);
return 0;
}
return DefWindowProc(hwnd, msg, wParam, lParam);
}
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) {
{
// 初始化 Gdiplus
Gdiplus::GdiplusStartupInput gdiplusStartupInput;
ULONG_PTR gdiplusToken;
Gdiplus::GdiplusStartup(&gdiplusToken, &gdiplusStartupInput, NULL);
}
const char* CLASS_NAME = "MyWindowClass";
WNDCLASS wc= {};
wc.lpfnWndProc=WndProc, wc.hInstance=hInstance, wc.lpszClassName=CLASS_NAME;
RegisterClass(&wc);
HWND hwnd = CreateWindowEx(0,CLASS_NAME,name,WS_OVERLAPPEDWINDOW,CW_USEDEFAULT,CW_USEDEFAULT,width,height,NULL,NULL,hInstance,NULL);
if (hwnd == NULL) return 0;
SetTimer(hwnd, 1, 1000/60, NULL); // 计时器，一秒刷新 60 次
SetWindowLong(hwnd, GWL_STYLE, GetWindowLong(hwnd, GWL_STYLE) & ~(WS_SIZEBOX)); // 禁止改变窗口大小
ShowWindow(hwnd, nCmdShow);
MSG msg = {};
while (GetMessage(&msg,NULL,0,0)) TranslateMessage(&msg), DispatchMessage(&msg);
return msg.wParam;
}注意
使用 Input、Button 宏创建的元素，一定要用 HWND 类型的句柄变量保存返回值。以后想要显示、隐藏、读取信息、修改信息都要用到。创建元素后，建议使用 ButtonFont 宏立即设置合适的字体，以保证美观。