csprite.cpp

//****************************************************************************************************
//ïîäêëþ÷àåìûå áèáëèîòåêè
//****************************************************************************************************
#include "csprite.h"
#include "tga.h"

//****************************************************************************************************
//ãëîáàëüíûå ïåðåìåííûå
//****************************************************************************************************

//****************************************************************************************************
//êîíñòàíòû
//****************************************************************************************************

//****************************************************************************************************
//ìàêðîîïðåäåëåíèÿ
//****************************************************************************************************

//****************************************************************************************************
//êîíñòðóêòîð è äåñòðóêòîð
//****************************************************************************************************

//----------------------------------------------------------------------------------------------------
//êîíñòðóêòîð
//----------------------------------------------------------------------------------------------------
CSprite::CSprite(void)
{
 Width=0;
 Height=0;
}
//----------------------------------------------------------------------------------------------------
//äåñòðóêòîð
//----------------------------------------------------------------------------------------------------
CSprite::~CSprite()
{
 Release();
}

//****************************************************************************************************
//çàêðûòûå ôóíêöèè
//****************************************************************************************************

//****************************************************************************************************
//îòêðûòûå ôóíêöèè
//****************************************************************************************************

//----------------------------------------------------------------------------------------------------
//çàãðóçèòü ñïðàéò
//----------------------------------------------------------------------------------------------------
bool CSprite::Load(const char *file_name)
{
 Release();
 std::shared_ptr<uint32_t[]> ptr;
 ptr.reset(reinterpret_cast<uint32_t*>(LoadTGAFromFile(file_name,Width,Height)));
 if (ptr.get()==NULL) return(false);
 //êîíâåðòèðóåì
 Data_Ptr.reset(new uint16_t[Width*Height]);
 Alpha_Ptr.reset(new bool[Width*Height]);
 for(int32_t y=0;y<Height;y++)
 {
  for(int32_t x=0;x<Width;x++)
  {
   uint32_t c=ptr[x+y*Width];
   uint8_t b=(c>>0)&0xFF;
   uint8_t g=(c>>8)&0xFF;
   uint8_t r=(c>>16)&0xFF;

   r>>=3;
   g>>=2;
   b>>=3;
   //öâåòà â PSP îáðàòíûå
   uint16_t color=(b<<11)|(g<<5)|(r<<0);
   Data_Ptr[x+y*Width]=color;
   //èçìåíÿåì àëüôà-êàíàë
   Alpha_Ptr[x+y*Width]=true;
  }
 }
 return(true);
}
//----------------------------------------------------------------------------------------------------
//îòîáðàçèòü ñïðàéò
//----------------------------------------------------------------------------------------------------
void CSprite::Put(IVideo *iVideo_Ptr,int32_t x,int32_t y,bool alpha)
{
 if (Data_Ptr.get()==NULL || Width==0 || Height==0) return;//ñïðàéò îòñóòñòâóåò

 void *rvptr;
 iVideo_Ptr->GetVideoPointer(rvptr);
 uint16_t *vptr;
 vptr=reinterpret_cast<uint16_t*>(rvptr);
 uint32_t linesize;
 iVideo_Ptr->GetLineSize(linesize);

 uint32_t screen_width;
 uint32_t screen_height;
 iVideo_Ptr->GetScreenSize(screen_width,screen_height);

 int32_t x1=x;
 int32_t x2=x+Width;
 int32_t y1=y;
 int32_t y2=y+Height;
 if (x2<0) return;//íå âèäèì
 if (y2<0) return;//íå âèäèì
 if (x1>static_cast<int32_t>(screen_width)) return;//íå âèäèì
 if (y1>static_cast<int32_t>(screen_height)) return;//íå âèäèì
 //îáðåçàåì ïî ãðàíèöàì ýêðàíà
 if (x1<0) x1=0;
 if (x2>static_cast<int32_t>(screen_width)) x2=screen_width;
 if (y1<0) y1=0;
 if (y2>static_cast<int32_t>(screen_height)) y2=screen_height;
 int32_t ly,lx;
 uint16_t *s_ptr=Data_Ptr.get()+((x1-x)+(y1-y)*Width);
 bool *alpha_s_ptr=Alpha_Ptr.get()+((x1-x)+(y1-y)*Width);
 uint16_t *v_ptr=vptr+(x1+y1*linesize);
 int32_t dv_ptr=linesize;
 int32_t ds_ptr=Width;
 int32_t alpha_ds_ptr=Width;
 if (alpha==false)
 {
  int32_t length=(x2-x1)*sizeof(uint16_t);
  for(ly=y1;ly<y2;ly++,v_ptr+=dv_ptr,s_ptr+=ds_ptr) memcpy(v_ptr,s_ptr,length);
 }
 else
 {
  int32_t length=x2-x1;
  for(ly=y1;ly<y2;ly++,v_ptr+=dv_ptr,s_ptr+=ds_ptr,alpha_s_ptr+=alpha_ds_ptr)
  {
   uint16_t *s_ptr_l=s_ptr;
   bool *alpha_s_ptr_l=alpha_s_ptr;
   uint16_t *v_ptr_l=v_ptr;
   for(lx=0;lx<length;lx++)
   {
    uint16_t color=*s_ptr_l;s_ptr_l++;
    bool a=*alpha_s_ptr_l;alpha_s_ptr_l++;
	if (a==true) *v_ptr_l=color;
    v_ptr_l++;
   }
  }
 }
}
//----------------------------------------------------------------------------------------------------
//îòîáðàçèòü ÷àñòü ñïðàéòà
//----------------------------------------------------------------------------------------------------
void CSprite::PutSpriteItem(IVideo *iVideo_Ptr,int32_t x,int32_t y,int32_t offsetx,int32_t offsety,int32_t width,int32_t height,bool alpha)
{
 if (Data_Ptr.get()==NULL || Width==0 || Height==0) return;//ñïðàéò îòñóòñòâóåò

 void *rvptr;
 iVideo_Ptr->GetVideoPointer(rvptr);
 uint16_t *vptr;
 vptr=reinterpret_cast<uint16_t*>(rvptr);
 uint32_t linesize;
 iVideo_Ptr->GetLineSize(linesize);

 uint32_t screen_width;
 uint32_t screen_height;
 iVideo_Ptr->GetScreenSize(screen_width,screen_height);

 int32_t x1=x;
 int32_t x2=x+width;
 int32_t y1=y;
 int32_t y2=y+height;
 if (x2<0) return;//íå âèäèì
 if (y2<0) return;//íå âèäèì
 if (x1>static_cast<int32_t>(screen_width)) return;//íå âèäèì
 if (y1>static_cast<int32_t>(screen_height)) return;//íå âèäèì
 //îáðåçàåì ïî ãðàíèöàì ýêðàíà
 if (x1<0) x1=0;
 if (x2>static_cast<int32_t>(screen_width)) x2=screen_width;
 if (y1<0) y1=0;
 if (y2>static_cast<int32_t>(screen_height)) y2=screen_height;
 int32_t ly,lx;
 uint16_t *s_ptr=Data_Ptr.get()+((offsetx+(x1-x))+(offsety+(y1-y))*Width);
 bool *alpha_s_ptr=Alpha_Ptr.get()+((offsetx+(x1-x))+(offsety+(y1-y))*Width);
 uint16_t *v_ptr=vptr+(x1+y1*linesize);
 int32_t dv_ptr=linesize;
 int32_t ds_ptr=Width;
 int32_t alpha_ds_ptr=Width;
 if (alpha==false)
 {
  int32_t length=(x2-x1)*sizeof(uint16_t);
  for(ly=y1;ly<y2;ly++,v_ptr+=dv_ptr,s_ptr+=ds_ptr) memcpy(v_ptr,s_ptr,length);
 }
 else
 {
  int32_t length=x2-x1;
  for(ly=y1;ly<y2;ly++,v_ptr+=dv_ptr,s_ptr+=ds_ptr,alpha_s_ptr+=alpha_ds_ptr)
  {
   uint16_t *s_ptr_l=s_ptr;
   bool *alpha_s_ptr_l=alpha_s_ptr;
   uint16_t *v_ptr_l=v_ptr;
   for(lx=0;lx<length;lx++)
   {
    uint16_t color=*s_ptr_l;s_ptr_l++;
    bool a=*alpha_s_ptr_l;alpha_s_ptr_l++;
	if (a==true) *v_ptr_l=color;
    v_ptr_l++;
   }
  }
 }
}
//----------------------------------------------------------------------------------------------------
//ïðîâåðèòü íà ïåðåñå÷åíèå ÷àñòè ñïðàéòà ñ òî÷êàìè, îòëè÷íûìè îò ôîíà
//----------------------------------------------------------------------------------------------------
bool CSprite::IsCollizionSpriteItem(IVideo *iVideo_Ptr,int32_t x,int32_t y,int32_t offsetx,int32_t offsety,int32_t width,int32_t height,bool alpha,uint8_t back_r,uint8_t back_g,uint8_t back_b)
{
 if (Data_Ptr.get()==NULL || Width==0 || Height==0) return(false);//ñïðàéò îòñóòñòâóåò

 uint16_t back_color=(back_r<<11)|(back_g<<5)|(back_b<<0);

 void *rvptr;
 iVideo_Ptr->GetVideoPointer(rvptr);
 uint16_t *vptr;
 vptr=reinterpret_cast<uint16_t*>(rvptr);
 uint32_t linesize;
 iVideo_Ptr->GetLineSize(linesize);

 uint32_t screen_width;
 uint32_t screen_height;
 iVideo_Ptr->GetScreenSize(screen_width,screen_height);

 int32_t x1=x;
 int32_t x2=x+width;
 int32_t y1=y;
 int32_t y2=y+height;
 if (x2<0) return(false);//íå âèäèì
 if (y2<0) return(false);//íå âèäèì
 if (x1>static_cast<int32_t>(screen_width)) return(false);//íå âèäèì
 if (y1>static_cast<int32_t>(screen_height)) return(false);//íå âèäèì
 //îáðåçàåì ïî ãðàíèöàì ýêðàíà
 if (x1<0) x1=0;
 if (x2>static_cast<int32_t>(screen_width)) x2=screen_width;
 if (y1<0) y1=0;
 if (y2>static_cast<int32_t>(screen_height)) y2=screen_height;
 int32_t ly,lx;
 uint16_t *s_ptr=Data_Ptr.get()+((offsetx+(x1-x))+(offsety+(y1-y))*Width);
 bool *alpha_s_ptr=Alpha_Ptr.get()+((offsetx+(x1-x))+(offsety+(y1-y))*Width);
 uint16_t *v_ptr=vptr+(x1+y1*linesize);
 int32_t dv_ptr=linesize;
 int32_t ds_ptr=Width;
 int32_t alpha_ds_ptr=Width;
 if (alpha==false)
 {
  int32_t length=x2-x1;
  for(ly=y1;ly<y2;ly++,v_ptr+=dv_ptr,s_ptr+=ds_ptr)
  {
   uint16_t *s_ptr_l=s_ptr;
   uint16_t *v_ptr_l=v_ptr;
   for(lx=0;lx<length;lx++)
   {
    uint16_t color=*s_ptr_l;s_ptr_l++;
    if (*v_ptr_l!=back_color) return(true);//åñòü ïåðåñå÷åíèå ñïðàéòà
    v_ptr_l++;
   }
  }
 }
 else
 {
  int32_t length=x2-x1;
  for(ly=y1;ly<y2;ly++,v_ptr+=dv_ptr,s_ptr+=ds_ptr,alpha_s_ptr+=alpha_ds_ptr)
  {
   uint16_t *s_ptr_l=s_ptr;
   bool *alpha_s_ptr_l=alpha_s_ptr;
   uint16_t *v_ptr_l=v_ptr;
   for(lx=0;lx<length;lx++)
   {
    uint16_t color=*s_ptr_l;s_ptr_l++;
    bool a=*alpha_s_ptr_l;alpha_s_ptr_l++;
	if (a==true)
	{
     if (*v_ptr_l!=back_color) return(true);//åñòü ïåðåñå÷åíèå ñïðàéòà
	}
    v_ptr_l++;
   }
  }
 }
 return(false);
}

//----------------------------------------------------------------------------------------------------
//îòîáðàçèòü ÷àñòü ñïðàéòà ñ ìàñêîé
//----------------------------------------------------------------------------------------------------
void CSprite::PutSpriteItemMask(IVideo *iVideo_Ptr,int32_t x,int32_t y,int32_t offsetx,int32_t offsety,int32_t width,int32_t height,uint8_t *Mask)
{
 if (Data_Ptr.get()==NULL || Width==0 || Height==0 || Mask==NULL) return;//ñïðàéò èëè ìàñêà ñïðàéòà îòñóòñòâóåò

 void *rvptr;
 iVideo_Ptr->GetVideoPointer(rvptr);
 uint16_t *vptr;
 vptr=reinterpret_cast<uint16_t*>(rvptr);
 uint32_t linesize;
 iVideo_Ptr->GetLineSize(linesize);

 uint32_t screen_width;
 uint32_t screen_height;
 iVideo_Ptr->GetScreenSize(screen_width,screen_height);

 int32_t x1=x;
 int32_t x2=x+width;
 int32_t y1=y;
 int32_t y2=y+height;
 if (x2<0) return;//íå âèäèì
 if (y2<0) return;//íå âèäèì
 if (x1>static_cast<int32_t>(screen_width)) return;//íå âèäèì
 if (y1>static_cast<int32_t>(screen_height)) return;//íå âèäèì
 //îáðåçàåì ïî ãðàíèöàì ýêðàíà
 if (x1<0) x1=0;
 if (x2>static_cast<int32_t>(screen_width)) x2=screen_width;
 if (y1<0) y1=0;
 if (y2>static_cast<int32_t>(screen_height)) y2=screen_height;
 int32_t ly,lx;
 uint8_t *m_ptr=Mask;
 uint16_t *s_ptr=Data_Ptr.get()+((offsetx+(x1-x))+(offsety+(y1-y))*Width);
 uint16_t *v_ptr=vptr+(x1+y1*linesize);
 int32_t dm_ptr=width;
 int32_t dv_ptr=linesize;
 int32_t ds_ptr=Width;
 int32_t length=x2-x1;
 for(ly=y1;ly<y2;ly++,v_ptr+=dv_ptr,s_ptr+=ds_ptr,m_ptr+=dm_ptr)
 {
  uint8_t *m_ptr_l=m_ptr;
  uint16_t *s_ptr_l=s_ptr;
  uint16_t *v_ptr_l=v_ptr;
  for(lx=0;lx<length;lx++)
  {
   uint16_t color=*s_ptr_l;s_ptr_l++;
   uint8_t m=*m_ptr_l;m_ptr_l++;
   if (m!=0) *v_ptr_l=color;
   v_ptr_l++;
  }
 }
}
//----------------------------------------------------------------------------------------------------
//óñòàíîâèòü çíà÷åíèå ïðîãðà÷íîñòè
//----------------------------------------------------------------------------------------------------
void CSprite::SetAlpha(uint8_t alpha,uint8_t r,uint8_t g,uint8_t b)
{
 if (Data_Ptr.get()==NULL || Width==0 || Height==0) return;//ñïðàéò îòñóòñòâóåò
 uint16_t *ptr=Data_Ptr.get();
 bool *alpha_ptr=Alpha_Ptr.get();
 int32_t n;
 int32_t length=Width*Height;
 uint16_t alpha_color=(r<<11)|(g<<5)|(b<<0);
 for(n=0;n<length;n++)
 {
  uint16_t color=*ptr;
  if (color==alpha_color) *alpha_ptr=false;
                      else *alpha_ptr=true;
  ptr++;
  alpha_ptr++;
 }
}
//----------------------------------------------------------------------------------------------------
//óäàëèòü ñïðàéò
//----------------------------------------------------------------------------------------------------
void CSprite::Release(void)
{
 Data_Ptr.release();
 Alpha_Ptr.release();
 Width=0;
 Height=0;
}
//----------------------------------------------------------------------------------------------------
//ïîëó÷èòü øèðèíó ñïðàéòà
//----------------------------------------------------------------------------------------------------
int32_t CSprite::GetWidth(void)
{
 return(Width);
}
//----------------------------------------------------------------------------------------------------
//ïîëó÷èòü âûñîòó ñïðàéòà
//----------------------------------------------------------------------------------------------------
int32_t CSprite::GetHeight(void)
{
 return(Height);
}
//----------------------------------------------------------------------------------------------------
//íîðìèðîâàòü èçîáðàæåíèå ñïðàéòà
//----------------------------------------------------------------------------------------------------
void CSprite::Normalize(void)
{
 int32_t x;
 int32_t y;
 //èùåì ìàêñèìàëüíûé öâåò, èãíîðèðóÿ àëüôà-öâåòà
 int32_t max_color=0;
 for(y=0;y<Height;y++)
 {
  for(x=0;x<Width;x++)
  {
   uint16_t color=Data_Ptr[x+y*Width];
   bool alpha=Alpha_Ptr[x+y*Width];
   if (alpha==false) continue;
   int16_t r=(color>>16)&0xff;
   int16_t g=(color>>8)&0xff;
   int16_t b=(color>>0)&0xff;
   if (max_color<r) max_color=r;
   if (max_color<g) max_color=g;
   if (max_color<b) max_color=b;
  }
 }
 if (max_color==0) max_color=1;
 for(y=0;y<Height;y++)
 {
  for(x=0;x<Width;x++)
  {
   uint16_t color=Data_Ptr[x+y*Width];
   bool alpha=Alpha_Ptr[x+y*Width];
   if (alpha==false) continue;
   int32_t r=(color>>16)&0xff;
   int32_t g=(color>>8)&0xff;
   int32_t b=(color>>0)&0xff;
   int32_t new_r=(255*r)/max_color;
   int32_t new_g=(255*g)/max_color;
   int32_t new_b=(255*b)/max_color;
   color=0xff;
   color<<=8;
   color|=new_r;
   color<<=8;
   color|=new_g;
   color<<=8;
   color|=new_b;
   Data_Ptr[x+y*Width]=color;
  }
 }
}
//----------------------------------------------------------------------------------------------------
//ñîõðàíèòü èçîáðàæåíèå ñïðàéòà
//----------------------------------------------------------------------------------------------------
bool CSprite::Save(char *file_name)
{
 return(SaveTGA(file_name,Width,Height,reinterpret_cast<uint8_t*>(Data_Ptr.get())));
}