//////////////////////////////////////////////////////////////////////////////////////////////////
//
// File: d3dUtility.h
//
// Author: Frank Luna (C) All Rights Reserved
//
// System: AMD Athlon 1800+ XP, 512 DDR, Geforce 3, Windows XP, MSVC++ 7.0
//
// Desc: Provides utility functions for simplifying common tasks.
//
//////////////////////////////////////////////////////////////////////////////////////////////////
#ifndef __d3dUtilityH__
#define __d3dUtilityH__
#include <d3dx9.h>
#include <string>
#pragma comment(lib,"d3d9.lib")
#pragma comment(lib,"d3dx9.lib")
#pragma comment(lib,"winmm.lib")
namespace d3d
{
bool InitD3D(
HINSTANCE hInstance, // [in] Application instance.
int width, int height, // [in] Backbuffer dimensions.
bool windowed, // [in] Windowed (true)or full screen (false).
D3DDEVTYPE deviceType, // [in] HAL or REF
IDirect3DDevice9** device);// [out]The created device.
int EnterMsgLoop(
bool (*ptr_display)(float timeDelta));
LRESULT CALLBACK WndProc(
HWND hwnd,
UINT msg,
WPARAM wParam,
LPARAM lParam);
template<class T> void Release(T t)
{
if( t )
{
t->Release();
t = 0;
}
}
template<class T> void Delete(T t)
{
if( t )
{
delete t;
t = 0;
}
}
const D3DXCOLOR WHITE( D3DCOLOR_XRGB(255, 255, 255) );
const D3DXCOLOR BLACK( D3DCOLOR_XRGB( 0, 0, 0) );
const D3DXCOLOR RED( D3DCOLOR_XRGB(255, 0, 0) );
const D3DXCOLOR GREEN( D3DCOLOR_XRGB( 0, 255, 0) );
const D3DXCOLOR BLUE( D3DCOLOR_XRGB( 0, 0, 255) );
const D3DXCOLOR YELLOW( D3DCOLOR_XRGB(255, 255, 0) );
const D3DXCOLOR CYAN( D3DCOLOR_XRGB( 0, 255, 255) );
const D3DXCOLOR MAGENTA( D3DCOLOR_XRGB(255, 0, 255) );
//
// Lights
//
D3DLIGHT9 InitDirectionalLight(D3DXVECTOR3* direction, D3DXCOLOR* color);
D3DLIGHT9 InitPointLight(D3DXVECTOR3* position, D3DXCOLOR* color);
D3DLIGHT9 InitSpotLight(D3DXVECTOR3* position, D3DXVECTOR3* direction, D3DXCOLOR* color);
//
// Materials
//
D3DMATERIAL9 InitMtrl(D3DXCOLOR a, D3DXCOLOR d, D3DXCOLOR s, D3DXCOLOR e, float p);
const D3DMATERIAL9 WHITE_MTRL = InitMtrl(WHITE, WHITE, WHITE, BLACK, 2.0f);
const D3DMATERIAL9 RED_MTRL = InitMtrl(RED, RED, RED, BLACK, 2.0f);
const D3DMATERIAL9 GREEN_MTRL = InitMtrl(GREEN, GREEN, GREEN, BLACK, 2.0f);
const D3DMATERIAL9 BLUE_MTRL = InitMtrl(BLUE, BLUE, BLUE, BLACK, 2.0f);
const D3DMATERIAL9 YELLOW_MTRL = InitMtrl(YELLOW, YELLOW, YELLOW, BLACK, 2.0f);
}
#endif // __d3dUtilityH__
//////////////////////////////////////////////////////////////////////////////////////////////////
//
// File: d3dUtility.cpp
//
// Author: Frank Luna (C) All Rights Reserved
//
// System: AMD Athlon 1800+ XP, 512 DDR, Geforce 3, Windows XP, MSVC++ 7.0
//
// Desc: Provides utility functions for simplifying common tasks.
//
//////////////////////////////////////////////////////////////////////////////////////////////////
#include "d3dUtility.h"
bool d3d::InitD3D(
HINSTANCE hInstance,
int width, int height,
bool windowed,
D3DDEVTYPE deviceType,
IDirect3DDevice9** device)
{
//
// Create the main application window.
//
WNDCLASS wc;
wc.style = CS_HREDRAW | CS_VREDRAW;
wc.lpfnWndProc = (WNDPROC)d3d::WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = LoadIcon(0, IDI_APPLICATION);
wc.hCursor = LoadCursor(0, IDC_ARROW);
wc.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
wc.lpszMenuName = 0;
wc.lpszClassName = L"Direct3D9App";
if( !RegisterClass(&wc) )
{
::MessageBox(0, L"RegisterClass() - FAILED", 0, 0);
return false;
}
HWND hwnd = 0;
hwnd = ::CreateWindow(L"Direct3D9App", L"Direct3D9App",
WS_EX_TOPMOST,
0, 0, width, height,
0 /*parent hwnd*/, 0 /* menu */, hInstance, 0 /*extra*/);
if( !hwnd )
{
::MessageBox(0, L"CreateWindow() - FAILED", 0, 0);
return false;
}
::ShowWindow(hwnd, SW_SHOW);
::UpdateWindow(hwnd);
//
// Init D3D:
//
HRESULT hr = 0;
// Step 1: Create the IDirect3D9 object.
IDirect3D9* d3d9 = 0;
d3d9 = Direct3DCreate9(D3D_SDK_VERSION);
if( !d3d9 )
{
::MessageBox(0, L"Direct3DCreate9() - FAILED", 0, 0);
return false;
}
// Step 2: Check for hardware vp.
D3DCAPS9 caps;
d3d9->GetDeviceCaps(D3DADAPTER_DEFAULT, deviceType, &caps);
int vp = 0;
if( caps.DevCaps & D3DDEVCAPS_HWTRANSFORMANDLIGHT )
vp = D3DCREATE_HARDWARE_VERTEXPROCESSING;
else
vp = D3DCREATE_SOFTWARE_VERTEXPROCESSING;
// Step 3: Fill out the D3DPRESENT_PARAMETERS structure.
D3DPRESENT_PARAMETERS d3dpp;
d3dpp.BackBufferWidth = width;
d3dpp.BackBufferHeight = height;
d3dpp.BackBufferFormat = D3DFMT_A8R8G8B8;
d3dpp.BackBufferCount = 1;
d3dpp.MultiSampleType = D3DMULTISAMPLE_NONE;
d3dpp.MultiSampleQuality = 0;
d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
d3dpp.hDeviceWindow = hwnd;
d3dpp.Windowed = windowed;
d3dpp.EnableAutoDepthStencil = true;
d3dpp.AutoDepthStencilFormat = D3DFMT_D24S8;
d3dpp.Flags = 0;
d3dpp.FullScreen_RefreshRateInHz = D3DPRESENT_RATE_DEFAULT;
d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE;
// Step 4: Create the device.
hr = d3d9->CreateDevice(
D3DADAPTER_DEFAULT, // primary adapter
deviceType, // device type
hwnd, // window associated with device
vp, // vertex processing
&d3dpp, // present parameters
device); // return created device
if( FAILED(hr) )
{
// try again using a 16-bit depth buffer
d3dpp.AutoDepthStencilFormat = D3DFMT_D16;
hr = d3d9->CreateDevice(
D3DADAPTER_DEFAULT,
deviceType,
hwnd,
vp,
&d3dpp,
device);
if( FAILED(hr) )
{
d3d9->Release(); // done with d3d9 object
::MessageBox(0, L"CreateDevice() - FAILED", 0, 0);
return false;
}
}
d3d9->Release(); // done with d3d9 object
return true;
}
int d3d::EnterMsgLoop( bool (*ptr_display)(float timeDelta) )
{
MSG msg;
::ZeroMemory(&msg, sizeof(MSG));
static float lastTime = (float)timeGetTime();
while(msg.message != WM_QUIT)
{
if(::PeekMessage(&msg, 0, 0, 0, PM_REMOVE))
{
::TranslateMessage(&msg);
::DispatchMessage(&msg);
}
else
{
float currTime = (float)timeGetTime();
float timeDelta = (currTime - lastTime)*0.001f;
ptr_display(timeDelta);
lastTime = currTime;
}
}
return msg.wParam;
}
D3DLIGHT9 d3d::InitDirectionalLight(D3DXVECTOR3* direction, D3DXCOLOR* color)
{
D3DLIGHT9 light;
::ZeroMemory(&light, sizeof(light));
light.Type = D3DLIGHT_DIRECTIONAL;
light.Ambient = *color * 0.4f;
light.Diffuse = *color;
light.Specular = *color * 0.6f;
light.Direction = *direction;
return light;
}
D3DLIGHT9 d3d::InitPointLight(D3DXVECTOR3* position, D3DXCOLOR* color)
{
D3DLIGHT9 light;
::ZeroMemory(&light, sizeof(light));
light.Type = D3DLIGHT_POINT;
light.Ambient = *color * 0.4f;
light.Diffuse = *color;
light.Specular = *color * 0.6f;
light.Position = *position;
light.Range = 1000.0f;
light.Falloff = 1.0f;
light.Attenuation0 = 1.0f;
light.Attenuation1 = 0.0f;
light.Attenuation2 = 0.0f;
return light;
}
D3DLIGHT9 d3d::InitSpotLight(D3DXVECTOR3* position, D3DXVECTOR3* direction, D3DXCOLOR* color)
{
D3DLIGHT9 light;
::ZeroMemory(&light, sizeof(light));
light.Type = D3DLIGHT_SPOT;
light.Ambient = *color * 0.4f;
light.Diffuse = *color;
light.Specular = *color * 0.6f;
light.Position = *position;
light.Direction = *direction;
light.Range = 1000.0f;
light.Falloff = 1.0f;
light.Attenuation0 = 1.0f;
light.Attenuation1 = 0.0f;
light.Attenuation2 = 0.0f;
light.Theta = 0.5f;
light.Phi = 0.7f;
return light;
}
D3DMATERIAL9 d3d::InitMtrl(D3DXCOLOR a, D3DXCOLOR d, D3DXCOLOR s, D3DXCOLOR e, float p)
{
D3DMATERIAL9 mtrl;
mtrl.Ambient = a;
mtrl.Diffuse = d;
mtrl.Specular = s;
mtrl.Emissive = e;
mtrl.Power = p;
return mtrl;
}
#include "d3dUtility.h"
//
// Globals
//
IDirect3DDevice9* Device = 0;
const int Width = 640;
const int Height = 480;
ID3DXFont *Font = NULL;
DWORD FrameCount = 0;
float TimeElapsed = 0;
float FPS = 0;
char FPSString[9];
bool Setup()
{
D3DXFONT_DESC font_desc;
ZeroMemory(&font_desc,sizeof(D3DXFONT_DESC));
font_desc.Height = 25;
font_desc.Width = 12;
font_desc.Weight = 500;
font_desc.Italic = FALSE;
font_desc.CharSet = DEFAULT_CHARSET;
font_desc.OutputPrecision = 0;
font_desc.Quality = 0;
font_desc.PitchAndFamily = 0;
wcscpy(font_desc.FaceName,L"Times New Roman");
if(FAILED(D3DXCreateFontIndirect(Device,&font_desc,&Font)))
{
MessageBox(NULL, L"D3DXCreateFontIndirect() - FAILED", NULL, MB_OK);
PostQuitMessage(0);
}
return true;
}
void Cleanup()
{
d3d::Release<ID3DXFont*>(Font);
}
bool Display(float timeDelta)
{
if(Device)
{
FrameCount++;
TimeElapsed += timeDelta;
if(TimeElapsed >= 1.0f)
{
FPS = FrameCount / TimeElapsed;
sprintf(FPSString,"%f",FPS);
FPSString[8] = '\0';
TimeElapsed = 0;
FrameCount = 0;
}
Device->Clear(0,0,D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER,0xffffffff,1.0f,0);
if(SUCCEEDED(Device->BeginScene()))
{
RECT rect = {0,0,Width,Height};
Font->DrawTextA(NULL,FPSString,-1,&rect,DT_TOP|DT_LEFT,0xff000000);
Device->EndScene();
}
Device->Present(NULL,NULL,NULL,NULL);
}
return true;
}
//
// WndProc
//
LRESULT CALLBACK d3d::WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch( msg )
{
case WM_DESTROY:
::PostQuitMessage(0);
break;
case WM_KEYDOWN:
if( wParam == VK_ESCAPE )
::DestroyWindow(hwnd);
break;
}
return ::DefWindowProc(hwnd, msg, wParam, lParam);
}
//
// WinMain
//
int WINAPI WinMain(HINSTANCE hinstance,
HINSTANCE prevInstance,
PSTR cmdLine,
int showCmd)
{
if(!d3d::InitD3D(hinstance,
Width, Height, true, D3DDEVTYPE_HAL, &Device))
{
::MessageBox(0, L"InitD3D() - FAILED", 0, 0);
return 0;
}
if(!Setup())
{
::MessageBox(0, L"Setup() - FAILED", 0, 0);
return 0;
}
d3d::EnterMsgLoop( Display );
Cleanup();
Device->Release();
return 0;
}