【游戏程序设计】音乐播放
一直不知道如何播放游戏音乐。以前做的游戏只要加上音效就会变的非常的卡顿也不知道为啥。
从UltramanGaia520这里学习了如果正确的播放游戏音乐以及音效等。
传送门：音乐播放
运行效果:
源代码：
#include <d3d9.h>
#include <d3dx9.h>
#include <tchar.h>
#define WINDOW_WIDTH 800
#define WINDOW_HEIGHT 600
#define WINDOW_TITLE L"Direct 3D 音乐播放"
#define SAFE_RELEASE(p) { if(p) {(p)->Release(); (p) = NULL;}} //销毁指针
//---------------------------------------【全局变量声明部分】------------------------------------------------
//描述：全局变量的声明
//-----------------------------------------------------------------------------------------------------------
LPDIRECT3DDEVICE9 g_pd3dDevice; //Direct 3D设备对象
LPD3DXFONT g_pTextHelper; //帮助文本的2D文本
LPD3DXFONT g_pTextFPS; //FPS文本的2D文本
wchar_t g_strFPS[50]; //包含帧频率的字符数组
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
HRESULT Direct3D_Init(HWND); //在这个函数中继续Direct3D的初始化
HRESULT Objects_Init(HWND); //在这个函数中进行要绘制的物体的资源初始化
void Direct3D_Render(HWND); //在这个函数中进行Direct3D渲染代码的书写
void Direct3D_ClearUp(); //在这个函数中清理COM资源以及其他资源
float Get_FPS();
void HelpText_Render(HWND);
void LoadMusic();
//----------------------------------------【WinMain（）函数】-------------------------------------------------
//描述：Windows应用程序的入口函数
//-------------------------------------------------------------------------------------------------------------
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPreInstance, LPSTR lpCmdLine, int nCmdShow)
{
WNDCLASSEX wndClass = {0};
wndClass.cbSize = sizeof(WNDCLASSEX);
wndClass.style = CS_HREDRAW | CS_VREDRAW;
wndClass.lpfnWndProc = (WNDPROC)WndProc;
wndClass.cbClsExtra = 0;
wndClass.cbWndExtra = 0;
wndClass.hInstance = hInstance;
wndClass.hIcon = (HICON)LoadImage(NULL, L"icon.ico", IMAGE_ICON, 0, 0, LR_LOADFROMFILE | LR_DEFAULTSIZE);
wndClass.hCursor = LoadCursor(NULL, IDC_ARROW);
wndClass.hbrBackground = (HBRUSH)GetStockObject(GRAY_BRUSH);
wndClass.lpszMenuName = NULL;
wndClass.lpszClassName = L"3DGameBase";
if(!RegisterClassEx(&wndClass))
return -1;
HWND hWnd = CreateWindow(L"3DGameBase", WINDOW_TITLE, WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT,
WINDOW_WIDTH, WINDOW_HEIGHT, NULL, NULL, hInstance, NULL);
MoveWindow(hWnd, 250, 80, WINDOW_WIDTH, WINDOW_HEIGHT, true);
ShowWindow(hWnd, nCmdShow);
UpdateWindow(hWnd);
LoadMusic(); //音乐资源加载
mciSendString(L"play bgm repeat", NULL, 0, NULL); //播放背景音乐
if(FAILED(Direct3D_Init(hWnd)))
MessageBox(hWnd, L"Direct3D 初始化失败!", L"消息窗口", 0);
MSG msg = {0};
while(msg.message != WM_QUIT)
{
if(PeekMessage(&msg, 0, 0, 0, PM_REMOVE))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
else
Direct3D_Render(hWnd);
}
UnregisterClass(L"3DGameBase", wndClass.hInstance);
return 0;
}
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch(message)
{
case WM_PAINT:
Direct3D_Render(hWnd);
ValidateRect(hWnd, NULL); //使窗口区域生效
break;
case WM_KEYDOWN:
if(wParam == VK_ESCAPE)
DestroyWindow(hWnd);
switch(wParam) //播放各种音效
{
case VK_NUMPAD1:
mciSendString(L"play bullet from 0", NULL, 0, NULL);
break;
case VK_NUMPAD2:
mciSendString(L"play coin from 0", NULL, 0, NULL);
break;
case VK_NUMPAD3:
mciSendString(L"play jump from 0", NULL, 0, NULL);
break;
case VK_NUMPAD4:
mciSendString(L"play hit_enemy from 0", NULL, 0, NULL);
break;
case VK_NUMPAD5:
mciSendString(L"play hit_wall from 0", NULL, 0, NULL);
break;
case VK_NUMPAD6:
mciSendString(L"play hit_brick from 0", NULL, 0, NULL);
break;
case VK_NUMPAD7:
mciSendString(L"play step from 0", NULL, 0, NULL);
break;
case VK_NUMPAD8:
mciSendString(L"play arm from 0", NULL, 0, NULL);
break;
case VK_NUMPAD9:
mciSendString(L"play dead1 from 0", NULL, 0, NULL);
break;
case VK_NUMPAD0:
mciSendString(L"stop bgm", NULL, 0, NULL);
mciSendString(L"play gameover from 0", NULL, 0, NULL);
break;
}
break;
case WM_DESTROY:
//调用自定义的资源清理函数Direct3D_ClearUp();进行退出前的资源清理
Direct3D_ClearUp();
PostQuitMessage(0);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}
//---------------------------------------------【Direct3D_Init（）函数】-----------------------------------------
//描述：Direct3D初始化函数，进行Direct3D的初始化
//---------------------------------------------------------------------------------------------------------------
HRESULT Direct3D_Init(HWND hWnd)
{
//---------------------------------------------------------------------------------------------------------------
//【Direct3D初始化步骤一】:创建Direct3D接口对象，以便用该Direct3D对象创建Direct3D设备对象
//---------------------------------------------------------------------------------------------------------------
LPDIRECT3D9 pD3D = NULL; //Direct3D接口对象的创建。
if((pD3D = Direct3DCreate9(D3D_SDK_VERSION)) == NULL) //初始化Direct3D接口对象，并进行DirectX版本协商。
return E_FAIL;
//---------------------------------------------------------------------------------------------------------------
//【Direct3D初始化步骤二】：获取硬件设备信息
//---------------------------------------------------------------------------------------------------------------
D3DCAPS9 caps;
int vp = 0;
if(FAILED(pD3D->GetDeviceCaps(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, &caps)))
return E_FAIL;
if(caps.DevCaps & D3DDEVCAPS_HWTRANSFORMANDLIGHT)
vp = D3DCREATE_HARDWARE_VERTEXPROCESSING; //支持硬件顶点运算，采用硬件顶点运算
else
vp = D3DCREATE_SOFTWARE_VERTEXPROCESSING; //不支持硬件顶点运算，采用软件顶点运算
//---------------------------------------------------------------------------------------------------------------
//【Direct3D初始化步骤三】：填充D3DPRESENT_PARAMETERS结构体
//---------------------------------------------------------------------------------------------------------------
D3DPRESENT_PARAMETERS d3dpp;
ZeroMemory(&d3dpp, sizeof(d3dpp));
d3dpp.BackBufferWidth = WINDOW_WIDTH;
d3dpp.BackBufferHeight = WINDOW_HEIGHT;
d3dpp.BackBufferFormat = D3DFMT_A8R8G8B8;
d3dpp.BackBufferCount = 1;
d3dpp.MultiSampleType = D3DMULTISAMPLE_NONE;
d3dpp.MultiSampleQuality = 0;
d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
d3dpp.hDeviceWindow = hWnd;
d3dpp.Windowed = true;
d3dpp.EnableAutoDepthStencil = true;
d3dpp.AutoDepthStencilFormat = D3DFMT_D24S8;
d3dpp.Flags = 0;
d3dpp.FullScreen_RefreshRateInHz = 0;
d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE;
//---------------------------------------------------------------------------------------------------------------
//【Direct3D初始化步骤四】：创建Direct3D设备接口。
//---------------------------------------------------------------------------------------------------------------
if(FAILED(pD3D->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, hWnd, vp, &d3dpp, &g_pd3dDevice)))
return E_FAIL;
SAFE_RELEASE(pD3D); //LPDIRECT3D9接口对象的使命完成，将其释放掉
if(FAILED(Objects_Init(hWnd))) // 调用一次Objects_Init，进行渲染资源的初始化
return E_FAIL;
return S_OK;
}
//---------------------------------------------【LoadMusic()（）函数】-----------------------------------------
//描述：进行游戏音乐资源的加载
//---------------------------------------------------------------------------------------------------------------
void LoadMusic()
{
mciSendString(L"open Musics\\背景音乐.mp3 alias bgm", NULL, 0, NULL);
mciSendString(L"open Musics\\子弹.mp3 alias bullet", NULL, 0, NULL);
mciSendString(L"open Musics\\金币.mp3 alias coin", NULL, 0, NULL);
mciSendString(L"open Musics\\跳.mp3 alias jump", NULL, 0, NULL);
mciSendString(L"open Musics\\子弹打到敌人.mp3 alias hit_enemy", NULL, 0, NULL);
mciSendString(L"open Musics\\子弹撞墙.mp3 alias hit_wall", NULL, 0, NULL);
mciSendString(L"open Musics\\撞击砖块.mp3 alias hit_brick", NULL, 0, NULL);
mciSendString(L"open Musics\\踩敌人.mp3 alias step", NULL, 0, NULL);
mciSendString(L"open Musics\\吃到武器.mp3 alias arm", NULL, 0, NULL);
mciSendString(L"open Musics\\死亡1.mp3 alias dead1", NULL, 0, NULL);
mciSendString(L"open Musics\\游戏结束.mp3 alias gameover", NULL, 0, NULL);
}
//------------------------------------------【Objects_Init（）】函数---------------------------------------------
//描述:渲染资源初始化函数，在此函数中进行要被渲染的物体的资源的初始化
//---------------------------------------------------------------------------------------------------------------
HRESULT Objects_Init(HWND hWnd)
{
if(FAILED(D3DXCreateFont(g_pd3dDevice, 36, 0, 0, 1000, false, DEFAULT_CHARSET, OUT_DEFAULT_PRECIS,
DEFAULT_QUALITY, 0, L"Calibri", &g_pTextFPS)))
return E_FAIL;
if(FAILED(D3DXCreateFont(g_pd3dDevice, 23, 0, 0, 1000, false, DEFAULT_CHARSET, OUT_DEFAULT_PRECIS,
DEFAULT_QUALITY, 0, L"微软雅黑", &g_pTextHelper)))
return E_FAIL;
return S_OK;
}
//-----------------------------------------【Get_FPS（）函数】---------------------------------------------------
//描述：用于计算帧频率
//---------------------------------------------------------------------------------------------------------------
float Get_FPS()
{
//定义四个静态变量
static int frameCount = 0; //帧数
static float currentTime = 0; //当前时间
static float lastTime = 0; //上次计算帧频率的时间
static float fps = 0; //需要计算的fps值
++frameCount; //每调用一次此函数，帧数加一
//获取系统时间， timeGetTime() 返回系统时间，以毫秒为单位，乘以0.001得到秒
currentTime = timeGetTime() * 0.001f;
//如果当前时间减去之前计算帧频率的时间大于1秒钟，就进行帧频率的更新，并将帧数归零
if(currentTime - lastTime > 1.0f) //将时间控制在1秒钟
{
fps = frameCount / (currentTime - lastTime); //计算这一秒的fps值
frameCount = 0; //将本次帧数清零
lastTime = currentTime; //将当前时间赋给上次计算帧频率的时间，作为下一秒的基准时间
}
return fps;
}
//----------------------------------------【HelpText_Render（）函数】--------------------------------------------
//描述：封装了帮助信息的函数
//---------------------------------------------------------------------------------------------------------------
void HelpText_Render(HWND hWnd)
{
//定义一个矩形，用来获取主窗口矩形
RECT formatRect;
GetClientRect(hWnd, &formatRect);
//在窗口右上角处，显示每秒帧数
swprintf_s(g_strFPS, L"FPS:%.3f", Get_FPS());
g_pTextFPS->DrawText(0, g_strFPS, -1, &formatRect, DT_TOP | DT_RIGHT, D3DCOLOR_XRGB(255,255,255));
//在纵坐标100处，写第一段文字
formatRect.top = 100;//指定文字的纵坐标
g_pTextHelper->DrawText(0, _T("开始时循环播放背景音乐\n按数字键1,2,3....\n分别对应播放 发射子弹，吃到金币，跳，子弹打到敌人，\n子弹打到墙，撞击砖块，踩敌人，吃到花可以用武器，死亡,游戏结束"), -1, &formatRect, DT_LEFT|DT_BOTTOM,
D3DCOLOR_XRGB(68,139,256));
}
//----------------------------------------【Direct3D_Render（）函数】--------------------------------------------
//描述：使用Direct3D进行渲染
//---------------------------------------------------------------------------------------------------------------
void Direct3D_Render(HWND hWnd)
{
//---------------------------------------------------------------------------------------------------------------
//【Direct3D渲染步骤一】：清屏操作
//---------------------------------------------------------------------------------------------------------------
g_pd3dDevice->Clear(0, NULL, D3DCLEAR_TARGET|D3DCLEAR_ZBUFFER, D3DCOLOR_XRGB(0,0,0), 1.0f, 0);
//定义一个矩形，用来获取主窗口矩形
RECT formatRect;
GetClientRect(hWnd, &formatRect);
//---------------------------------------------------------------------------------------------------------------
//【Direct3D渲染步骤二】：开始绘制
//---------------------------------------------------------------------------------------------------------------
g_pd3dDevice->BeginScene(); //开始绘制
//---------------------------------------------------------------------------------------------------------------
//【Direct3D渲染步骤三】：正式绘制
//---------------------------------------------------------------------------------------------------------------
HelpText_Render(hWnd);
//---------------------------------------------------------------------------------------------------------------
//【Direct3D渲染步骤四】：结束绘制
//---------------------------------------------------------------------------------------------------------------
g_pd3dDevice->EndScene(); //结束绘制
//---------------------------------------------------------------------------------------------------------------
//【Direct3D渲染步骤五】：显示翻转
//---------------------------------------------------------------------------------------------------------------
g_pd3dDevice->Present(NULL, NULL, NULL, NULL); //翻转与显示
}
//------------------------------------------------【 Direct3D_ClearUp函数】------------------------------------------
//描述：资源清理函数，在此函数中进行程序退出前资源的清理工作
//-------------------------------------------------------------------------------------------------------------------
void Direct3D_ClearUp()
{
SAFE_RELEASE(g_pd3dDevice);
//释放COM接口对象
SAFE_RELEASE(g_pTextHelper);
SAFE_RELEASE(g_pTextFPS);
}