int Game_Init(void *parms = NULL, int num_parms = 0)
{
// this is called once after the initial window is created and
// before the main event loop is entered, do all your initialization
// here
// create IDirectDraw interface 7.0 object and test for error
if (FAILED(DirectDrawCreateEx(NULL, (void **)&lpdd, IID_IDirectDraw7, NULL)))
return(0);
// set cooperation to full screen
if (FAILED(lpdd->SetCooperativeLevel(main_window_handle,
DDSCL_FULLSCREEN | DDSCL_ALLOWMODEX |
DDSCL_EXCLUSIVE | DDSCL_ALLOWREBOOT)))
return(0);
// set display mode to 640x480x8
if (FAILED(lpdd->SetDisplayMode(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_BPP,0,0)))
return(0);
// we need a complex surface system with a primary and backbuffer
// clear ddsd and set size
DDRAW_INIT_STRUCT(ddsd);
// enable valid fields
ddsd.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT;
// set the backbuffer count field to 1, use 2 for triple buffering
ddsd.dwBackBufferCount = 1;
// request a complex, flippable
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_COMPLEX | DDSCAPS_FLIP;
// create the primary surface
if (FAILED(lpdd->CreateSurface(&ddsd, &lpddsprimary, NULL)))
return(0);
// now query for attached surface from the primary surface
// this line is needed by the call
ddsd.ddsCaps.dwCaps = DDSCAPS_BACKBUFFER;
// get the attached back buffer surface
if (FAILED(lpddsprimary->GetAttachedSurface(&ddsd.ddsCaps, &lpddsback)))
return(0);
// build up the palette data array
for (int color=1; color < 255; color++)
{
// fill with random RGB values
palette[color].peRed = rand()%256;
palette[color].peGreen = rand()%256;
palette[color].peBlue = rand()%256;
// set flags field to PC_NOCOLLAPSE
palette[color].peFlags = PC_NOCOLLAPSE;
} // end for color
// now fill in entry 0 and 255 with black and white
palette[0].peRed = 0;
palette[0].peGreen = 0;
palette[0].peBlue = 0;
palette[0].peFlags = PC_NOCOLLAPSE;
palette[255].peRed = 255;
palette[255].peGreen = 255;
palette[255].peBlue = 255;
palette[255].peFlags = PC_NOCOLLAPSE;
// create the palette object
if (FAILED(lpdd->CreatePalette(DDPCAPS_8BIT | DDPCAPS_ALLOW256 |
DDPCAPS_INITIALIZE,
palette,&lpddpal, NULL)))
return(0);
// finally attach the palette to the primary surface
if (FAILED(lpddsprimary->SetPalette(lpddpal)))
return(0);
// set clipper up on back buffer since that's where well clip
RECT screen_rect= {0,0,SCREEN_WIDTH-1,SCREEN_HEIGHT-1};
lpddclipper = DDraw_Attach_Clipper(lpddsback,1,&screen_rect);
// load the 8-bit image
if (!Load_Bitmap_File(&bitmap,"alley8.bmp"))
return(0);
// load it's palette into directdraw
if (FAILED(lpddpal->SetEntries(0,0,MAX_COLORS_PALETTE,bitmap.palette)))
return(0);
// clean the surfaces
DDraw_Fill_Surface(lpddsprimary,0);
DDraw_Fill_Surface(lpddsback,0);
// create the buffer to hold the background
lpddsbackground = DDraw_Create_Surface(640,480,0,-1);
// copy the background bitmap image to the background surface
// lock the surface
lpddsbackground->Lock(NULL,&ddsd, DDLOCK_SURFACEMEMORYPTR | DDLOCK_WAIT,NULL);
// get video pointer to primary surfce
UCHAR *image_buffer = (UCHAR *)ddsd.lpSurface;
// test if memory is linear
if (ddsd.lPitch == SCREEN_WIDTH)
{
// copy memory from double buffer to primary buffer
memcpy((void *)image_buffer, (void *)bitmap.buffer, SCREEN_WIDTH*SCREEN_HEIGHT);
} // end if
else
{ // non-linear
// make copy of source and destination addresses
UCHAR *dest_ptr = image_buffer;
UCHAR *src_ptr = bitmap.buffer;
// memory is non-linear, copy line by line
for (int y=0; y < SCREEN_HEIGHT; y++)
{
// copy line
memcpy((void *)dest_ptr, (void *)src_ptr, SCREEN_WIDTH);
// advance pointers to next line
dest_ptr+=ddsd.lPitch;
src_ptr +=SCREEN_WIDTH;
} // end for
} // end else
// now unlock the primary surface
if (FAILED(lpddsbackground->Unlock(NULL)))
return(0);
// unload the bitmap file, we no longer need it
Unload_Bitmap_File(&bitmap);
// seed random number generator
srand(GetTickCount());
// initialize all the aliens (in real life do this in a loop or function)
// alien on level 1 of complex
aliens[0].x = rand()%SCREEN_WIDTH;
aliens[0].y = 116 - 72;
aliens[0].velocity = 2+rand()%4;
aliens[0].current_frame = 0;
aliens[0].counter = 0;
aliens[0].width = 72; // set real size
aliens[0].height = 80;
aliens[0].scale = ((float)(1+rand()%20))/10; // scale from 0.1 to 2.0
// fix up feet so they still contact floor
aliens[0].y+=(72 - aliens[0].scale*72);
// alien on level 2 of complex
aliens[1].x = rand()%SCREEN_WIDTH;
aliens[1].y = 246 - 72;
aliens[1].velocity = 2+rand()%4;
aliens[1].current_frame = 0;
aliens[1].counter = 0;
aliens[1].width = 72; // set real size
aliens[1].height = 80;
aliens[1].scale = ((float)(1+rand()%20))/10; // scale from 0.1 to 2.0
// fix up feet so they still contact floor
aliens[1].y+=(72 - aliens[1].scale*72);
// alien on level 3 of complex
aliens[2].x = rand()%SCREEN_WIDTH;
aliens[2].y = 382 - 72;
aliens[2].velocity = 2+rand()%4;
aliens[2].current_frame = 0;
aliens[2].counter = 0;
aliens[2].width = 72; // set real size
aliens[2].height = 80;
aliens[2].scale = ((float)(1+rand()%20))/10; // scale from 0.1 to 2.0
// fix up feet so they still contact floor
aliens[2].y+=(72 - aliens[2].scale*72);
// now load the bitmap containing the alien imagery
// then scan the images out into the surfaces of alien[0]
// and copy then into the other two, be careful of reference counts!
// load the 8-bit image
if (!Load_Bitmap_File(&bitmap,"dedsp0.bmp"))
return(0);
// create each surface and load bits
for (int index = 0; index < 3; index++)
{
// create surface to hold image
aliens[0].frames[index] = DDraw_Create_Surface(72,80,0);
// now load bits...
Scan_Image_Bitmap(&bitmap, // bitmap file to scan image data from
aliens[0].frames[index], // surface to hold data
index, 0); // cell to scan image from
} // end for index
// unload the bitmap file, we no longer need it
Unload_Bitmap_File(&bitmap);
// now for the tricky part. There is no need to create more surfaces with the same
// data, so I'm going to copy the surface pointers member for member to each alien
// however, be careful, since the reference counts do NOT go up, you still only need
// to release() each surface once!
for (index = 0; index < 3; index++)
aliens[1].frames[index] = aliens[2].frames[index] = aliens[0].frames[index];
// return success or failure or your own return code here
return(1);
} // end Game_Init
//jpg版本
IDirectDrawSurface7 * cls_sprite_surface::getSpriteSurfaceJPG(IDirectDrawSurface7 * lpdds,char * srcname,char * spritename,\
LPCSTR szJpg,int frame_num,bool debugflag){
//IDirectDrawSurface7 * templpdds;
int loaded=0;
//往素材队列放结构对象
int current_index=this->get_max_sprite_surface(0);
JPEGINFO jinf;
if (!loaded)
LoadJPEG(FROM_FILE,szJpg,&lpdds,lpdd,jinf);
//if (!loaded)
// lpdds=DDLoadBitmap(lpdd,szBitmap);
//往精灵画面数组递增1个元素
if(current_index==1000){
MessageBox(hwnd,"already have 100 sprite surfaces!","bug",MB_OK);
}
else{//如果是-1就是第一次了，加上就是下标0
// char buf[30];
// sprintf(buf,"当前最大画面管理器元素下标%d",current_index);
// MessageBox(hwnd,buf,"",MB_OK);
this->sprite_surface[current_index+1].used=1;
this->sprite_surface[current_index+1].lpddsrc=lpdds;
this->sprite_surface[current_index+1].srcname=srcname;
this->sprite_surface[current_index+1].sprite_numframe=frame_num;
//this->sprite_surface[current_index+1].used=1;
}
this->sfmgrtemp->sprite_group_name=spritename;
this->sfmgrtemp->source_pic_name=szJpg;
this->sfmgrtemp->lpdds=lpdds;
int hasaname=0;//是不是已经有了组名
//查询szJpg JPEG图的长宽信息。
//HBITMAP hbm;
//BITMAP bm;
// LoadImage has some added functionality in Windows 95 that allows
// you to load a bitmap from a file on disk.
// hbm = (HBITMAP)LoadImage(NULL, szBitmap, IMAGE_BITMAP, 0, 0,
// LR_LOADFROMFILE|LR_CREATEDIBSECTION);
// if (hbm == NULL){
// MessageBox(this->hwnd,"无法获取位图句柄","bug",MB_OK);
// return NULL;//
// }
// GetObject(hbm, sizeof(bm), &bm); // get size of bitmap
//创建指定数量的精灵动作画面
//int width=bm.bmWidth/frame_num;//横向依次读取n个精灵
int width=jinf.width;
//alertme((int)bm.bmWidth);
//alertme(frame_num);
//alertme(width);
//int height=bm.bmHeight;
int height=jinf.height;
//照搬windows GMP的精灵结构sprite,我把他封装到了我的SPRITE_SURFACE结构里了，再加2个成员以判断每一帧的长宽
this->sprite_surface[0].spritename=spritename;
int i=current_index+1;
this->sprite_surface[i].sprite.current_frame=0;
this->sprite_surface[i].used=1;
this->sprite_surface[i].sprite.x=0;
this->sprite_surface[i].sprite.y=0;
//this->sprite_surface[i].used=1;
//必须加1，但创建画面的时候不要，不知道为什么？否则右面1像素显示不出！
this->sprite_surface[i].sprite.theframe_width=width;//之后可以去修改，比如动作游戏，先默认为切出来的大小。
this->sprite_surface[i].sprite.theframe_height=height;
//alertme(width);
for (int j=0;j<frame_num;j++){
this->sprite_surface[i].sprite.frames[j]=DDraw_Create_Surface(width,height,3,1);//标记3是指使用系统内存
}
//然后读入位图到各个精灵动作画面
RECT DestRect;RECT SrcRect;
DestRect.top=0;DestRect.left=0;DestRect.right=width;DestRect.bottom=height;
for (j=0;j<frame_num;j++){
//alertme("j是");
//alertme(j);
SrcRect.top=0;
SrcRect.left=0+j*width;
//alertme("SrcRect.left是");
//alertme(SrcRect.left);
SrcRect.right=SrcRect.left+width;
//alertme("SrcRect.right是");
//alertme(SrcRect.right);
SrcRect.bottom=height;
//alertme("SrcRect.bottom是");
//alertme(SrcRect.bottom);
if(FAILED(this->sprite_surface[i].sprite.frames[j]->Blt(&DestRect, // pointer to dest RECT
lpdds, // pointer to source surface
&SrcRect, // pointer to source RECT
DDBLT_WAIT,
&ddbltfx)))// pointer to DDBLTFX holding info
{
MessageBox(this->hwnd,"copy sprite surface failed!","info",MB_OK);
}
}
//删除GDI对象
// if(!DeleteObject(hbm)){
// MessageBox(hwnd,"删除位图对象失败","",MB_OK);
// }
return sprite_surface[current_index+1].lpddsrc;
}
IDirectDrawSurface7 * cls_sprite_surface::getSpriteSurface(IDirectDrawSurface7 * lpdds,char * srcname,char * spritename,\
LPCSTR szBitmap,int frame_num,bool debugflag){
//IDirectDrawSurface7 * templpdds;
int loaded=0;
//往素材队列放结构对象
int current_index=this->get_max_sprite_surface(0);
#if 0
//查询画面管理列表，如果已经载入了，更新对应数据
this->iter=this->sprite_handler_list.begin();
while(iter!=this->sprite_handler_list.end()){
if ((*iter)->source_pic_name==szBitmap){
// MessageBox(hwnd,"loaded!","info",MB_OK);
loaded=1;
return (*iter)->lpdds;//如果读入了直接返回画面
break;
}
++iter;
}
#endif
if (!loaded)
lpdds=DDLoadBitmap(lpdd,szBitmap);
//往精灵画面数组递增1个元素
if(current_index==1000){
MessageBox(hwnd,"already have 100 sprite surfaces!","bug",MB_OK);
}
else{//如果是-1就是第一次了，加上就是下标0
// char buf[30];
// sprintf(buf,"当前最大画面管理器元素下标%d",current_index);
// MessageBox(hwnd,buf,"",MB_OK);
this->sprite_surface[current_index+1].used=1;
this->sprite_surface[current_index+1].lpddsrc=lpdds;
this->sprite_surface[current_index+1].srcname=srcname;
this->sprite_surface[current_index+1].sprite_numframe=frame_num;
//this->sprite_surface[current_index+1].used=1;
}
this->sfmgrtemp->sprite_group_name=spritename;
this->sfmgrtemp->source_pic_name=szBitmap;
this->sfmgrtemp->lpdds=lpdds;
int hasaname=0;//是不是已经有了组名
#if 0
char itoabuf[6];
itoa(current_index+1,itoabuf,10);
this->sfmgrtemp->sprite_surface_array_indexes=itoabuf;//??
/* char buf[20];
sprintf(buf,"%s", this->sfmgrtemp->sprite_surface_array_indexes);
MessageBox(this->hwnd,buf,"the info",MB_OK);*/
//往画面管理链表里添加1个节点,如果之前有节点的组名和当前spritename是一样的，就更新成这样1|2
//list<SF_MGR * >::iterator iter;
iter=this->sprite_handler_list.begin();
while(iter!=this->sprite_handler_list.end()){
if((*iter)->sprite_group_name==spritename){
std::string a,b;
a=(*iter)->sprite_surface_array_indexes;
itoa(current_index+1,itoabuf,10);
b=itoabuf;
a+="|";
a+=b;
(*iter)->sprite_surface_array_indexes=(LPCSTR)a.c_str();
hasaname=1;
break;
}
++iter;
}
if(!hasaname)
this->sprite_handler_list.push_back(sfmgrtemp);
#endif
//查询szBitmap位图的长宽信息。
HBITMAP hbm;
BITMAP bm;
// LoadImage has some added functionality in Windows 95 that allows
// you to load a bitmap from a file on disk.
hbm = (HBITMAP)LoadImage(NULL, szBitmap, IMAGE_BITMAP, 0, 0,
LR_LOADFROMFILE|LR_CREATEDIBSECTION);
if (hbm == NULL){
MessageBox(this->hwnd,"无法获取位图句柄","bug",MB_OK);
return NULL;//
}
GetObject(hbm, sizeof(bm), &bm); // get size of bitmap
//创建指定数量的精灵动作画面
int width=bm.bmWidth/frame_num;//横向依次读取n个精灵
//alertme((int)bm.bmWidth);
//alertme(frame_num);
//alertme(width);
int height=bm.bmHeight;
//照搬windows GMP的精灵结构sprite,我把他封装到了我的SPRITE_SURFACE结构里了，再加2个成员以判断每一帧的长宽
this->sprite_surface[0].spritename=spritename;
int i=current_index+1;
this->sprite_surface[i].sprite.current_frame=0;
this->sprite_surface[i].used=1;
this->sprite_surface[i].sprite.x=0;
this->sprite_surface[i].sprite.y=0;
//this->sprite_surface[i].used=1;
//必须加1，但创建画面的时候不要，不知道为什么？否则右面1像素显示不出！
this->sprite_surface[i].sprite.theframe_width=width;//之后可以去修改，比如动作游戏，先默认为切出来的大小。
this->sprite_surface[i].sprite.theframe_height=height;
#if 0
if (debugflag){//debug
alertme(i);
this->sprite_surface[i].sprite.theframe_width=44;
this->sprite_surface[i].sprite.theframe_height=38;
}
#endif
for (int j=0;j<frame_num;j++){
this->sprite_surface[i].sprite.frames[j]=DDraw_Create_Surface(width,height,3,1);//标记3是指使用系统内存
}
#if 0
if (debugflag) alertme(i);//debug
if (debugflag){//debug
alertme(this->sprite_surface[i].sprite.theframe_width);
alertme(width);
alertme(this->sprite_surface[i].sprite.theframe_height);
alertme(height);
//this->sprite_surface[i].sprite.theframe_width=44;
//this->sprite_surface[i].sprite.theframe_height=38;
}
#endif
//然后读入位图到各个精灵动作画面
RECT DestRect;RECT SrcRect;
DestRect.top=0;DestRect.left=0;DestRect.right=width;DestRect.bottom=height;
for (j=0;j<frame_num;j++){
//alertme("j是");
//alertme(j);
SrcRect.top=0;
SrcRect.left=0+j*width;
//alertme("SrcRect.left是");
//alertme(SrcRect.left);
SrcRect.right=SrcRect.left+width;
//alertme("SrcRect.right是");
//alertme(SrcRect.right);
SrcRect.bottom=height;
//alertme("SrcRect.bottom是");
//alertme(SrcRect.bottom);
if(FAILED(this->sprite_surface[i].sprite.frames[j]->Blt(&DestRect, // pointer to dest RECT
lpdds, // pointer to source surface
&SrcRect, // pointer to source RECT
DDBLT_WAIT,
&ddbltfx)))// pointer to DDBLTFX holding info
{
MessageBox(this->hwnd,"copy sprite surface failed!","info",MB_OK);
}
}
//删除GDI对象
if(!DeleteObject(hbm)){
MessageBox(hwnd,"删除位图对象失败","",MB_OK);
}
return sprite_surface[current_index+1].lpddsrc;
}
int Game_Init(void *parms = NULL, int num_parms = 0)
{
// this is called once after the initial window is created and
// before the main event loop is entered, do all your initialization
// here
// create IDirectDraw interface 7.0 object and test for error
if (FAILED(DirectDrawCreateEx(NULL, (void **)&lpdd, IID_IDirectDraw7, NULL)))
return(0);
// set cooperation to full screen
if (FAILED(lpdd->SetCooperativeLevel(main_window_handle,
DDSCL_FULLSCREEN | DDSCL_ALLOWMODEX |
DDSCL_EXCLUSIVE | DDSCL_ALLOWREBOOT)))
return(0);
// set display mode to 640x480x24
if (FAILED(lpdd->SetDisplayMode(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_BPP,0,0)))
return(0);
// clear ddsd and set size
DDRAW_INIT_STRUCT(ddsd);
// enable valid fields
ddsd.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT;
ddsd.dwBackBufferCount = 1;
//
// request primary surface
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_COMPLEX | DDSCAPS_FLIP;
// create the primary surface
if (FAILED(lpdd->CreateSurface(&ddsd, &lpddsprimary, NULL)))
return(0);
ddsd.ddsCaps.dwCaps = DDSCAPS_BACKBUFFER;
if(FAILED(lpddsprimary->GetAttachedSurface(&ddsd.ddsCaps, &lpddsback))) return 0;
// 把主屏和缓冲屏都填充为黑色初始化
DDraw_Fill_Surface(lpddsprimary, _RGB32BIT(0, 0,0,0));
DDraw_Fill_Surface(lpddsback, _RGB32BIT(0, 0,0,0));
// load the 24-bit image
char* bmp_wc = "WarCraft24.bmp";
char* bmp_b8 = "bitmap8b.bmp";
char* bmp_b24 = "bitmap24.bmp";
char* bmp_b24e = "bitmap24_edit.bmp";
char* bmp_mo24 = "mosaic-600x.bmp";
char* bmp_ni24 = "nightelf-640x.bmp";
char* bmp_alley24 = "alley8_24bit.bmp";
// 载入背景图片
if (!Load_Bitmap_File(&bitmap, bmp_ni24))
return(0);
// 创建背景表面、但实际上不是直接用背景表面来显示的、而是拷贝去缓冲表面和人物动作混合
// 后才一次性打到显示表面
// 这里头两个参数是指在屏幕的高和宽、第二个是指表面建立的地点、0指在显存建立、其它表示在
// 系统内存建立、当然速度自然是在显存建立快了、最后一个参数是是否设置为色彩键、这里设定为-1
// 也就是不设定任何色彩过滤、因为这个是背景表面、所以不需要任何透明的色彩键
lpddsbackground = DDraw_Create_Surface(640,480,0,-1);
// 把bmp的内容拷贝至缓冲表面中
Bmp2Surface(lpddsbackground, SCREEN_WIDTH, SCREEN_HEIGHT);
// 从现在开始创建人物动作了
if (!Load_Bitmap_File(&bitmap, "Dedsp0_24bit.bmp"))
return(0);
// seed random number generator
// GetTickCount是一个系统启动至今的毫秒数、
// 配合srandg来产生一个随机数
srand(GetTickCount());
// initialize all the aliens
// alien on level 1 of complex
//
//系统在调用rand（）之前都会自动调用srand（），如果用户在rand（）之前曾调用过srand（）给参数seed指定了一个值，
//那么rand（）就会将seed的值作为产生伪随机数的初始值；
//而如果用户在rand（）前没有调用过srand（），那么rand（）就会自动调用srand（1），即系统默认将1作为伪随机数的初始值。
//所以前面要调用一次srand来确保以下调用rand()的值会产生不同
//
aliens[0].x = rand()%SCREEN_WIDTH;
aliens[0].y = 116 - 72;
aliens[0].velocity = 2+rand()%4;
aliens[0].current_frame = 0;
aliens[0].counter = 0;
// alien on level 2 of complex
aliens[1].x = rand()%SCREEN_WIDTH;
aliens[1].y = 246 - 72;
aliens[1].velocity = 2+rand()%4;
aliens[1].current_frame = 0;
aliens[1].counter = 0;
// alien on level 3 of complex
aliens[2].x = rand()%SCREEN_WIDTH;
aliens[2].y = 382 - 72;
aliens[2].velocity = 2+rand()%4;
aliens[2].current_frame = 0;
aliens[2].counter = 0;
// now load the bitmap containing the alien imagery
// then scan the images out into the surfaces of alien[0]
// and copy then into the other two, be careful of reference counts!
// 现在开始载入人物的动画帧图片了
if (!Load_Bitmap_File(&bitmap,"Dedsp0_24bit.bmp"))
return(0);
// create each surface and load bits
// 初始化异形0号的三个动作帧表面、
// 其实、所有的异形动作帧表面都一样的、所以没有必要为每个异形都创建相应的动作帧、
// 所以其它异形的动作帧都指向这个异形0号的动作帧就可以了
for (int index = 0; index < 3; index++)
{
// create surface to hold image
aliens[0].frames[index] = DDraw_Create_Surface(72,80,0);
// now load bits...
Scan_Image_Bitmap(&bitmap, // bitmap file to scan image data from
aliens[0].frames[index], // surface to hold data
index, 0); // cell to scan image from
} // end for index
// unload the bitmap file, we no longer need it
Unload_Bitmap_File(&bitmap);
// now for the tricky part. There is no need to create more surfaces with the same
// data, so I'm going to copy the surface pointers member for member to each alien
// however, be careful, since the reference counts do NOT go up, you still only need
// to release() each surface once!
for (index = 0; index < 3; index++)
aliens[1].frames[index] = aliens[2].frames[index] = aliens[0].frames[index];
// return success or failure or your own return code here
return(1);
} // end Game_Init