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vcmi/client/CCreatureAnimation.cpp
2008-06-12 06:45:51 +00:00

353 lines
8.0 KiB
C++

#include "CCreatureAnimation.h"
#include "../hch/CLodHandler.h"
int CCreatureAnimation::getType() const
{
return type;
}
void CCreatureAnimation::setType(int type)
{
this->type = type;
curFrame = 0;
if(type!=-1)
{
if(SEntries[curFrame].group!=type) //rewind
{
int j=-1; //first frame in displayed group
for(int g=0; g<SEntries.size(); ++g)
{
if(SEntries[g].group==type && j==-1)
{
j = g;
break;
}
}
if(curFrame!=-1)
curFrame = j;
}
}
else
{
if(curFrame>=frames)
curFrame = 0;
}
}
CCreatureAnimation::CCreatureAnimation(std::string name) : RLEntries(NULL), RWEntries(NULL)
{
FDef = CDefHandler::Spriteh->giveFile(name); //load main file
//init anim data
int i,j, totalInBlock;
char Buffer[13];
defName=name;
i = 0;
DEFType = readNormalNr(i,4); i+=4;
fullWidth = readNormalNr(i,4); i+=4;
fullHeight = readNormalNr(i,4); i+=4;
i=0xc;
totalBlocks = readNormalNr(i,4); i+=4;
i=0x10;
for (int it=0;it<256;it++)
{
palette[it].R = FDef[i++];
palette[it].G = FDef[i++];
palette[it].B = FDef[i++];
palette[it].F = 0;
}
i=0x310;
totalEntries=0;
for (int z=0; z<totalBlocks; z++)
{
int unknown1 = readNormalNr(i,4); i+=4;
totalInBlock = readNormalNr(i,4); i+=4;
for (j=SEntries.size(); j<totalEntries+totalInBlock; j++)
SEntries.push_back(SEntry());
int unknown2 = readNormalNr(i,4); i+=4;
int unknown3 = readNormalNr(i,4); i+=4;
for (j=0; j<totalInBlock; j++)
{
for (int k=0;k<13;k++) Buffer[k]=FDef[i+k];
i+=13;
SEntries[totalEntries+j].name=Buffer;
}
for (j=0; j<totalInBlock; j++)
{
SEntries[totalEntries+j].offset = readNormalNr(i,4);
int unknown4 = readNormalNr(i,4); i+=4;
}
//totalEntries+=totalInBlock;
for(int hh=0; hh<totalInBlock; ++hh)
{
SEntries[totalEntries].group = z;
++totalEntries;
}
}
for(j=0; j<SEntries.size(); ++j)
{
SEntries[j].name = SEntries[j].name.substr(0, SEntries[j].name.find('.')+4);
}
//init vars
curFrame = 0;
type = -1;
frames = totalEntries;
}
int CCreatureAnimation::readNormalNr (int pos, int bytCon, unsigned char * str, bool cyclic)
{
int ret=0;
int amp=1;
if (str)
{
for (int i=0; i<bytCon; i++)
{
ret+=str[pos+i]*amp;
amp*=256;
}
}
else
{
for (int i=0; i<bytCon; i++)
{
ret+=FDef[pos+i]*amp;
amp*=256;
}
}
if(cyclic && bytCon<4 && ret>=amp/2)
{
ret = ret-amp;
}
return ret;
}
int CCreatureAnimation::nextFrameMiddle(SDL_Surface *dest, int x, int y, bool attacker, bool incrementFrame, bool yellowBorder, SDL_Rect * destRect)
{
return nextFrame(dest,x-fullWidth/2,y-fullHeight/2,attacker,incrementFrame,yellowBorder,destRect);
}
int CCreatureAnimation::nextFrame(SDL_Surface *dest, int x, int y, bool attacker, bool incrementFrame, bool yellowBorder, SDL_Rect * destRect)
{
if(dest->format->BytesPerPixel<3)
return -1; //not enough depth
//increasing frame numer
int SIndex = -1;
if(incrementFrame)
{
SIndex = curFrame++;
if(type!=-1)
{
if(SEntries[curFrame].group!=type) //rewind
{
int j=-1; //first frame in displayed group
for(int g=0; g<SEntries.size(); ++g)
{
if(SEntries[g].group==type && j==-1)
{
j = g;
break;
}
}
if(curFrame!=-1)
curFrame = j;
}
}
else
{
if(curFrame>=frames)
curFrame = 0;
}
}
else
{
SIndex = curFrame;
}
//frame number increased
long BaseOffset,
SpriteWidth, SpriteHeight, //sprite format
LeftMargin, RightMargin, TopMargin,BottomMargin,
i, add, FullHeight,FullWidth,
TotalRowLength, // length of read segment
RowAdd;
unsigned char SegmentType, SegmentLength;
i=BaseOffset=SEntries[SIndex].offset;
int prSize=readNormalNr(i,4,FDef);i+=4;
int defType2 = readNormalNr(i,4,FDef);i+=4;
FullWidth = readNormalNr(i,4,FDef);i+=4;
FullHeight = readNormalNr(i,4,FDef);i+=4;
SpriteWidth = readNormalNr(i,4,FDef);i+=4;
SpriteHeight = readNormalNr(i,4,FDef);i+=4;
LeftMargin = readNormalNr(i,4,FDef);i+=4;
TopMargin = readNormalNr(i,4,FDef);i+=4;
RightMargin = FullWidth - SpriteWidth - LeftMargin;
BottomMargin = FullHeight - SpriteHeight - TopMargin;
add = 4 - FullWidth%4;
int BaseOffsetor = BaseOffset = i;
int ftcp = 0;
if (defType2==1) //as it should be allways in creature animations
{
if (TopMargin>0)
{
for (int i=0;i<TopMargin;i++)
{
ftcp+=FullWidth+add;
}
}
RLEntries = new int[SpriteHeight];
for (int i=0;i<SpriteHeight;i++)
{
RLEntries[i]=readNormalNr(BaseOffset,4,FDef);BaseOffset+=4;
}
for (int i=0;i<SpriteHeight;i++)
{
BaseOffset=BaseOffsetor+RLEntries[i];
if (LeftMargin>0)
{
ftcp+=LeftMargin;
}
TotalRowLength=0;
do
{
SegmentType=FDef[BaseOffset++];
SegmentLength=FDef[BaseOffset++];
if (SegmentType==0xFF)
{
for (int k=0;k<=SegmentLength;k++)
{
int xB = (attacker ? ftcp%(FullWidth+add) : (FullWidth+add) - ftcp%(FullWidth+add) - 1) + x;
int yB = ftcp/(FullWidth+add) + y;
if(xB>=0 && yB>=0 && xB<dest->w && yB<dest->h)
{
if(!destRect || (destRect->x <= xB && destRect->x + destRect->w > xB && destRect->y <= yB && destRect->y + destRect->h > yB))
putPixel(dest, xB + yB*dest->w, palette[FDef[BaseOffset+k]], FDef[BaseOffset+k], yellowBorder);
}
ftcp++; //increment pos
if ((TotalRowLength+k+1)>=SpriteWidth)
break;
}
BaseOffset+=SegmentLength+1;////
TotalRowLength+=SegmentLength+1;
}
else
{
for (int k=0;k<SegmentLength+1;k++)
{
int xB = (attacker ? ftcp%(FullWidth+add) : (FullWidth+add) - ftcp%(FullWidth+add) - 1) + x;
int yB = ftcp/(FullWidth+add) + y;
if(xB>=0 && yB>=0 && xB<dest->w && yB<dest->h)
{
if(!destRect || (destRect->x <= xB && destRect->x + destRect->w > xB && destRect->y <= yB && destRect->y + destRect->h > yB))
putPixel(dest, xB + yB*dest->w, palette[SegmentType], SegmentType, yellowBorder);
}
ftcp++; //increment pos
}
TotalRowLength+=SegmentLength+1;
}
}while(TotalRowLength<SpriteWidth);
RowAdd=SpriteWidth-TotalRowLength;
if (RightMargin>0)
{
ftcp+=RightMargin;
}
if (add>0)
{
ftcp+=add+RowAdd;
}
}
delete [] RLEntries;
RLEntries = NULL;
if (BottomMargin>0)
{
ftcp += BottomMargin * (FullWidth+add);
}
}
//SDL_UpdateRect(dest, x, y, FullWidth+add, FullHeight);
return 0;
}
int CCreatureAnimation::framesInGroup(int group) const
{
int ret = 0; //number of frames in given group
for(int g=0; g<SEntries.size(); ++g)
{
if(SEntries[g].group == group)
++ret;
}
return ret;
}
CCreatureAnimation::~CCreatureAnimation()
{
delete [] FDef;
if (RWEntries)
delete [] RWEntries;
if (RLEntries)
delete [] RLEntries;
}
void CCreatureAnimation::putPixel(SDL_Surface * dest, const int & ftcp, const BMPPalette & color, const unsigned char & palc, const bool & yellowBorder) const
{
if(palc!=0)
{
Uint8 * p = (Uint8*)dest->pixels + ftcp*3;
if(palc > 7) //normal color
{
p[0] = color.B;
p[1] = color.G;
p[2] = color.R;
}
else if(yellowBorder && (palc == 6 || palc == 7)) //dark yellow border
{
p[0] = 0;
p[1] = 0xff;
p[2] = 0xff;
}
else if(yellowBorder && (palc == 5)) //yellow border
{
p[0] = color.B;
p[1] = color.G;
p[2] = color.R;
}
else if(palc < 5) //shadow
{
Uint16 alpha;
switch(color.G)
{
case 0:
alpha = 128;
break;
case 50:
alpha = 50+32;
break;
case 100:
alpha = 100+64;
break;
case 125:
alpha = 125+64;
break;
case 128:
alpha = 128+64;
break;
case 150:
alpha = 150+64;
break;
default:
alpha = 255;
break;
}
//alpha counted
p[0] = (p[0] * alpha)>>8;
p[1] = (p[1] * alpha)>>8;
p[2] = (p[2] * alpha)>>8;
}
}
}