#include“BitMapClass.h“

BitmapClass::BitmapClass（）
{
????md3dVertexBuffer=NULL;?//頂點緩存
????md3dIndexBuffer=NULL;??//索引緩存
	mVertexCount?=?0;
	mIndexCount?=?0;

}


BitmapClass::BitmapClass（const?BitmapClass&?other）
{

}

BitmapClass::~BitmapClass（）
{

}

bool?BitmapClass::Initialize（ID3D11Device*?d3dDevice?int?ScrrenWidth?int?ScrrenHeight?int?BitmapWidth?int?BitmapHeight）
{
	bool?result;
	//初始化屏幕長寬，紋理長寬，坐標點
	mScrrenWidth?=?ScrrenWidth;
	mScrrenHeight?=?ScrrenHeight;
	mBitmapWidth?=?BitmapWidth;
	mBitmapHeight?=?BitmapHeight;
	mPreviousPosX?=?-1;
	mPreviousPosY?=?-1;

	//初始化頂點緩存，索引緩存
	result?=?InitializeBuffer（d3dDevice）;
	if?（!result）
	{
		MessageBox（NULL?L“Initialize?Buffer?failure“?L“ERROR“?MB_OK）;
		return?false;
	}
		

		return?true;
}

void?BitmapClass::Shutdown（）
{
	BitmapClass（）;
}


bool?BitmapClass::Render（ID3D11DeviceContext*?d3dDeviceContext?int?positionX?int?positionY）
{
	bool?result;

	result?=?UpdateBuffers（d3dDeviceContext?positionX?positionY）;
	if?（!result）
	{
		return?false;
	}
	//設(shè)置渲染管線的頂點緩存和索引緩存（IA階段）
	RenderBuffers（d3dDeviceContext）;
	return?true;
}

bool?BitmapClass::InitializeBuffer（ID3D11Device*?d3dDevice）
{
	Vertex*?vertexs=NULL;
	WORD*indices=NULL;??//一個字為兩個字節(jié)?

	mVertexCount?=?6;
	mIndexCount?=?6;

	//創(chuàng)建頂點數(shù)組
	vertexs?=?new?Vertex[mVertexCount];
	if?（!vertexs）
		return?false;

	//創(chuàng)建索引數(shù)組
	indices?=?new?WORD[mIndexCount];
	if?（!indices）
		return?false;
	
	//初始化頂點數(shù)組為0
	memset（vertexs?0?sizeof（Vertex）*mVertexCount）;


	//賦予索引數(shù)組數(shù)據(jù)
	//注意用左手定則判定是不是背面
	indices[0]?=?0;
	indices[1]?=?1;
	indices[2]?=?2;
	indices[3]?=?3;
	indices[4]?=?4;
	indices[5]?=?5;


	//第一填充（頂點）緩存形容結(jié)構(gòu)體和子資源數(shù)據(jù)結(jié)構(gòu)體并創(chuàng)建頂點緩存（這里用的是動態(tài)緩存）
	D3D11_BUFFER_DESC?vertexBufferDesc;
	vertexBufferDesc.Usage?=?D3D11_USAGE_DYNAMIC;
	vertexBufferDesc.ByteWidth?=?sizeof（Vertex）?*?mVertexCount;
	vertexBufferDesc.BindFlags?=?D3D11_BIND_VERTEX_BUFFER;
	vertexBufferDesc.CPUAccessFlags?=?D3D11_CPU_ACCESS_WRITE;
	vertexBufferDesc.MiscFlags?=?0;
	vertexBufferDesc.StructureByteStride?=?0;

	D3D11_SUBRESOURCE_DATA?vertexData;
	vertexData.pSysMem?=?vertexs;
	vertexData.SysMemPitch?=?0;
	vertexData.SysMemSlicePitch?=?0;
	HR（d3dDevice->CreateBuffer（&vertexBufferDesc?&vertexData?&md3dVertexBuffer））;

	//第二填充（索引）緩存形容結(jié)構(gòu)體和子資源數(shù)據(jù)結(jié)構(gòu)體并創(chuàng)建索引緩存
	D3D11_BUFFER_DESC??indexBufferDesc;
	indexBufferDesc.Usage?=?D3D11_USAGE_DEFAULT;
	indexBufferDesc.ByteWidth?=?sizeof（WORD）?*?mIndexCount;
	indexBufferDesc.BindFlags?=?D3D11_BIND_INDEX_BUFFER;
	indexBufferDesc.CPUAccessFlags?=?0;
	indexBufferDesc.MiscFlags?=?0;
	indexBufferDesc.StructureByteStride?=?0;

	D3D11_SUBRESOURCE_DATA?indexData;
	indexData.pSysMem?=?indices;
	indexData.SysMemPitch?=?0;
	indexData.SysMemSlicePitch?=?0;
????HR（d3dDevice->CreateBuffer（&indexBufferDesc?&indexData?&md3dIndexBuffer））;

	//釋放頂點數(shù)組和索引數(shù)組（這時數(shù)據(jù)已經(jīng)載入緩存不需要這些數(shù)組了）
	delete[]vertexs;
	vertexs?=?NULL;
	delete[]indices;
	indices?=?NULL;
	
	

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????735??2016-11-15?00:24??PickRayClass.h

?????文件???????6133??2016-11-15?01:34??SystemClass.cpp

?????文件???????1196??2016-09-27?11:56??SystemClass.h

?????文件???????9304??2016-11-14?20:48??TextClass.cpp

?????文件???????1776??2016-10-06?19:32??TextClass.h

?????文件???????7125??2016-10-12?01:24??Texture2DShaderClass.cpp

?????文件???????1428??2016-10-11?21:08??Texture2DShaderClass.h

?????文件????????540??2016-10-05?00:46??TextureClass.cpp

?????文件????????474??2016-10-05?00:46??TextureClass.h

?????文件????????466??2016-09-27?11:37??源.cpp

?????文件???????1561??2016-10-03?02:09??MyShader\ColorShader.fx

?????文件???????1045??2016-10-06?02:00??MyShader\FontShader.fx

?????文件????????881??2016-11-14?23:22??MyShader\Texture2DShader.fx

?????文件???????4224??2012-09-01?23:37??Texture\blue.dds

?????文件??????65664??2009-09-24?14:45??Texture\font.dds

?????文件???????4224??2012-09-02?15:39??Texture\mouse.dds

?????文件???????2946??2016-10-06?01:55??Txt\font.txt

?????文件????1093129??2016-11-14?21:58??Txt\sphere.txt

?????文件???????5963??2016-11-14?23:17??BitMapClass.cpp

?????文件???????1246??2016-11-14?23:16??BitMapClass.h

?????文件???????2969??2016-10-06?20:34??CameraClass.h

?????文件???????9049??2016-11-14?21:36??ColorShaderClass.cpp

?????文件???????1975??2016-10-03?20:10??ColorShaderClass.h

?????文件??????13920??2016-11-14?23:02??D3DClass.cpp

?????文件???????2262??2016-10-05?22:51??D3DClass.h

?????文件???????1134??2016-10-05?21:26??FontClass.h

?????文件???????3652??2016-10-06?20:28??FontlClass.cpp

?????文件???????8694??2016-11-14?20:46??FontShaderClass.cpp

?????文件???????1556??2016-10-06?01:28??FontShaderClass.h

?????文件??????11465??2016-11-16?02:31??GraphicsClass.cpp

............此處省略15個文件信息