nesasm.h

冰人引擎,本2d游戏引擎定位于游戏次中层引擎。他不像CDX等引擎那样

//
//Module:ASM底层优化代码
//
//Create:2003-2-15
//Updata:2003-2-15
//
//Describe:
//Remark: 我的好友NES制作，因为我对ASM很不明白，所以在他同意的情况下，嘿嘿，拿来用了。
//
#pragma once

void NesDrawLineInit( void );

void NesMemSet( PVOID pDestPointer , DWORD dwDestOffset , DWORD dwValue , DWORD dwLenght );

// 普通像素行绘制函数
void NesDrawLineNormal( PVOID pDestPointer ,DWORD dwDestOffset , PVOID pSrcPointer , DWORD dwSrcOffset , DWORD dwLenght );
void NesDrawLineNormalColorKey( PVOID pDestPointer ,DWORD dwDestOffset , PVOID pSrcPointer , DWORD dwSrcOffset , DWORD dwLenght , DWORD dwColorKey );

// 快速Alpha混合像素行绘制函数
void NesDrawLineAlphaSpeed( PVOID pDestPointer ,DWORD dwDestOffset , PVOID pSrcPointer , DWORD dwSrcOffset , DWORD dwLenght );
void NesDrawLineAlphaSpeedColorKey( PVOID pDestPointer ,DWORD dwDestOffset , PVOID pSrcPointer , DWORD dwSrcOffset , DWORD dwLenght , DWORD dwColorKey );

// 高质量Alpha混合像素行绘制函数
void NesDrawLineAlphaQuality( PVOID pDestPointer ,DWORD dwDestOffset , PVOID pSrcPointer , DWORD dwSrcOffset , DWORD dwLenght , DWORD dwAlpha ); 
void NesDrawLineAlphaQualityColorKey( PVOID pDestPointer ,DWORD dwDestOffset , PVOID pSrcPointer , DWORD dwSrcOffset , DWORD dwLenght , DWORD dwAlpha , DWORD dwColorKey ); 

// 饱和叠加Alpha像素行绘制函数
void NesDrawLineAlphaAdd( PVOID pDestPointer ,DWORD dwDestOffset , PVOID pSrcPointer , DWORD dwSrcOffset , DWORD dwLenght );
void NesDrawLineAlphaAddColorKey( PVOID pDestPointer ,DWORD dwDestOffset , PVOID pSrcPointer , DWORD dwSrcOffset , DWORD dwLenght , DWORD dwColorKey );

// 饱和衰减Alpha像素行绘制函数
void NesDrawLineAlphaSub( PVOID pDestPointer ,DWORD dwDestOffset , PVOID pSrcPointer , DWORD dwSrcOffset , DWORD dwLenght );
void NesDrawLineAlphaSubColorKey( PVOID pDestPointer ,DWORD dwDestOffset , PVOID pSrcPointer , DWORD dwSrcOffset , DWORD dwLenght , DWORD dwColorKey );

// Alpha通道像素行绘制函数
void NesDrawLineAlphaChannels( PVOID pDestPointer , DWORD dwDestOffset , PVOID pSrcPointer , DWORD dwSrcOffset , PVOID pAlphaPointer , DWORD dwLenght );
void NesDrawLineAlphaChannelsColorKey( PVOID pDestPointer , DWORD dwDestOffset , PVOID pSrcPointer , DWORD dwSrcOffset , PVOID pAlphaPointer , DWORD dwLenght , DWORD dwColorKey);



// 色彩模式转换
void NesDrawLine32To16( PVOID pDestPointer ,DWORD dwDestOffset , PVOID pSrcPointer , DWORD dwSrcOffset , DWORD dwLenght );
void NesDrawLine32To24( PVOID pDestPointer ,DWORD dwDestOffset , PVOID pSrcPointer , DWORD dwSrcOffset , DWORD dwLenght );
void NesDrawLine24To32( PVOID pDestPointer ,DWORD dwDestOffset , PVOID pSrcPointer , DWORD dwSrcOffset , DWORD dwLenght );
void NesDrawLine15To32( PVOID pDestPointer ,DWORD dwDestOffset , PVOID pSrcPointer , DWORD dwSrcOffset , DWORD dwLenght );



// 特殊功能函数
void NesDrawLineAlphaMask( PVOID pDestPointer ,DWORD dwDestOffset , PVOID pSrcPointer , DWORD dwSrcOffset , DWORD dwLenght );


// 辅助函数
DWORD NesMemReadByte( PVOID pSrcPointer , DWORD dwOffset );