mirror of
https://github.com/vcmi/vcmi.git
synced 2024-11-30 08:57:00 +02:00
524 lines
12 KiB
C++
524 lines
12 KiB
C++
#include "../stdafx.h"
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#include "SDL.h"
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#include "CDefHandler.h"
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#include <sstream>
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#include "CLodHandler.h"
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#include "../lib/VCMI_Lib.h"
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/*
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* CDefHandler.cpp, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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static long long pow(long long a, int b)
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{
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if (!b) return 1;
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long c = a;
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while (--b)
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a*=c;
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return a;
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}
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CDefHandler::CDefHandler()
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{
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//FDef = NULL;
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notFreeImgs = false;
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}
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CDefHandler::~CDefHandler()
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{
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//if (FDef)
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//delete [] FDef;
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if (notFreeImgs)
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return;
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for (size_t i=0; i<ourImages.size(); ++i)
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{
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if (ourImages[i].bitmap)
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{
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SDL_FreeSurface(ourImages[i].bitmap);
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ourImages[i].bitmap=NULL;
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}
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}
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}
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CDefEssential::~CDefEssential()
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{
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for(size_t i=0; i < ourImages.size(); ++i)
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SDL_FreeSurface(ourImages[i].bitmap);
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}
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void CDefHandler::openDef(std::string name)
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{
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int i,j, totalInBlock;
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char Buffer[13];
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BMPPalette palette[256];
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defName=name;
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int andame;
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std::ifstream * is = new std::ifstream();
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is -> open(name.c_str(),std::ios::binary);
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is->seekg(0,std::ios::end); // na koniec
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andame = is->tellg(); // read length
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is->seekg(0,std::ios::beg); // wracamy na poczatek
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unsigned char * FDef = new unsigned char[andame]; // allocate memory
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is->read((char*)FDef, andame); // read map file to buffer
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is->close();
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delete is;
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i = 0;
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DEFType = readNormalNr(i,4,FDef); i+=4;
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width = readNormalNr(i,4,FDef); i+=4;
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height = readNormalNr(i,4,FDef); i+=4;
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i=0xc;
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totalBlocks = readNormalNr(i,4,FDef); i+=4;
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i=0x10;
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for (int it=0;it<256;it++)
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{
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palette[it].R = FDef[i++];
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palette[it].G = FDef[i++];
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palette[it].B = FDef[i++];
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palette[it].F = 0;
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}
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i=0x310;
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totalEntries=0;
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for (int z=0; z<totalBlocks; z++)
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{
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i+=4;
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totalInBlock = readNormalNr(i,4,FDef); i+=4;
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for (j=SEntries.size(); j<totalEntries+totalInBlock; j++)
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SEntries.push_back(SEntry());
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i+=8;
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for (j=0; j<totalInBlock; j++)
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{
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for (int k=0;k<13;k++) Buffer[k]=FDef[i+k];
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i+=13;
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SEntries[totalEntries+j].name=Buffer;
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}
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for (j=0; j<totalInBlock; j++)
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{
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SEntries[totalEntries+j].offset = readNormalNr(i,4,FDef);
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i+=4;
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}
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//totalEntries+=totalInBlock;
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for(int hh=0; hh<totalInBlock; ++hh)
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{
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SEntries[totalEntries].group = z;
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++totalEntries;
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}
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}
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for(j=0; j<SEntries.size(); ++j)
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{
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SEntries[j].name = SEntries[j].name.substr(0, SEntries[j].name.find('.')+4);
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}
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for(size_t i=0; i < SEntries.size(); ++i)
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{
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Cimage nimg;
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nimg.bitmap = getSprite(i, FDef, palette);
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nimg.imName = SEntries[i].name;
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nimg.groupNumber = SEntries[i].group;
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ourImages.push_back(nimg);
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}
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delete [] FDef;
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FDef = NULL;
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}
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void CDefHandler::openFromMemory(unsigned char *table, std::string name)
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{
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int i,j, totalInBlock;
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BMPPalette palette[256];
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defName=name;
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i = 0;
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DEFType = readNormalNr(i,4,table); i+=4;
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width = readNormalNr(i,4,table); i+=4;
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height = readNormalNr(i,4,table); i+=4;
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i=0xc;
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totalBlocks = readNormalNr(i,4,table); i+=4;
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i=0x10;
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for (int it=0;it<256;it++)
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{
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palette[it].R = table[i++];
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palette[it].G = table[i++];
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palette[it].B = table[i++];
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palette[it].F = 0;
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}
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i=0x310;
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totalEntries=0;
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for (int z=0; z<totalBlocks; z++)
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{
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int unknown1 = readNormalNr(i,4,table); i+=4; //TODO use me
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totalInBlock = readNormalNr(i,4,table); i+=4;
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for (j=SEntries.size(); j<totalEntries+totalInBlock; j++)
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SEntries.push_back(SEntry());
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int unknown2 = readNormalNr(i,4,table); //TODO use me
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i+=4;
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int unknown3 = readNormalNr(i,4,table); //TODO use me
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i+=4;
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for (j=0; j<totalInBlock; j++)
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{
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char Buffer[13];
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memcpy(Buffer, &table[i], 12);
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Buffer[12] = 0;
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SEntries[totalEntries+j].name=Buffer;
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i+=13;
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}
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for (j=0; j<totalInBlock; j++)
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{
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SEntries[totalEntries+j].offset = readNormalNr(i,4,table);
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int unknown4 = readNormalNr(i,4,table); //TODO use me
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i+=4;
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}
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//totalEntries+=totalInBlock;
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for(int hh=0; hh<totalInBlock; ++hh)
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{
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SEntries[totalEntries].group = z;
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++totalEntries;
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}
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}
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for(j=0; j<SEntries.size(); ++j)
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{
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SEntries[j].name = SEntries[j].name.substr(0, SEntries[j].name.find('.')+4);
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}
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//RWEntries = new unsigned int[height];
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for(size_t i=0; i < SEntries.size(); ++i)
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{
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Cimage nimg;
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nimg.bitmap = getSprite(i, table, palette);
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nimg.imName = SEntries[i].name;
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nimg.groupNumber = SEntries[i].group;
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ourImages.push_back(nimg);
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}
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}
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unsigned char * CDefHandler::writeNormalNr (int nr, int bytCon)
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{
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//int tralalalatoniedziala = 2*9+100-4*bytCon;
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//unsigned char * ret = new unsigned char[bytCon];
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unsigned char * ret = NULL;
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for(int jj=0; jj<100; ++jj)
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{
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ret = (unsigned char*)calloc(1, bytCon);
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if(ret!=NULL)
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break;
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}
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long long amp = pow((long long int)256,bytCon-1);
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for (int i=bytCon-1; i>=0;i--)
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{
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int test2 = nr/(amp);
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ret[i]=test2;
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nr -= (nr/(amp))*amp;
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amp/=256;
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}
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return ret;
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}
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void CDefHandler::expand(unsigned char N,unsigned char & BL, unsigned char & BR)
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{
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BL = (N & 0xE0) >> 5;
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BR = N & 0x1F;
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}
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int CDefHandler::readNormalNr (int pos, int bytCon, const unsigned char * str, bool cyclic)
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{
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int ret=0;
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int amp=1;
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if (str)
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{
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for (int i=0; i<bytCon; i++)
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{
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ret+=str[pos+i]*amp;
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amp*=256;
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}
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}
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//else
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//{
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// for (int i=0; i<bytCon; i++)
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// {
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// ret+=FDef[pos+i]*amp;
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// amp*=256;
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// }
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//}
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if(cyclic && bytCon<4 && ret>=amp/2)
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{
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ret = ret-amp;
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}
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return ret;
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}
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void CDefHandler::print (std::ostream & stream, int nr, int bytcon)
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{
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unsigned char * temp = writeNormalNr(nr,bytcon);
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for (int i=0;i<bytcon;i++)
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stream << char(temp[i]);
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free(temp);
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}
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SDL_Surface * CDefHandler::getSprite (int SIndex, unsigned char * FDef, BMPPalette * palette)
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{
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SDL_Surface * ret=NULL;
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long BaseOffset,
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SpriteWidth, SpriteHeight, //format sprite'a
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LeftMargin, RightMargin, TopMargin,BottomMargin,
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i, add, FullHeight,FullWidth,
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TotalRowLength, // dlugosc przeczytanego segmentu
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RowAdd;//, NextSpriteOffset; //TODO use me
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unsigned char SegmentType;//, BL, BR; //TODO use me
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i=BaseOffset=SEntries[SIndex].offset;
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int prSize=readNormalNr(i,4,FDef);i+=4; //TODO use me
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int defType2 = readNormalNr(i,4,FDef);i+=4;
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FullWidth = readNormalNr(i,4,FDef);i+=4;
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FullHeight = readNormalNr(i,4,FDef);i+=4;
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SpriteWidth = readNormalNr(i,4,FDef);i+=4;
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SpriteHeight = readNormalNr(i,4,FDef);i+=4;
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LeftMargin = readNormalNr(i,4,FDef);i+=4;
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TopMargin = readNormalNr(i,4,FDef);i+=4;
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RightMargin = FullWidth - SpriteWidth - LeftMargin;
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BottomMargin = FullHeight - SpriteHeight - TopMargin;
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//if(LeftMargin + RightMargin < 0)
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// SpriteWidth += LeftMargin + RightMargin; //ugly construction... TODO: check how to do it nicer
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if(LeftMargin<0)
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SpriteWidth+=LeftMargin;
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if(RightMargin<0)
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SpriteWidth+=RightMargin;
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// Note: this looks bogus because we allocate only FullWidth, not FullWidth+add
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add = 4 - FullWidth%4;
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if (add==4)
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add=0;
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ret = SDL_CreateRGBSurface(SDL_SWSURFACE, FullWidth, FullHeight, 8, 0, 0, 0, 0);
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//int tempee2 = readNormalNr(0,4,((unsigned char *)tempee.c_str()));
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int BaseOffsetor = BaseOffset = i;
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for(int i=0; i<256; ++i)
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{
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SDL_Color pr;
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pr.r = palette[i].R;
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pr.g = palette[i].G;
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pr.b = palette[i].B;
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pr.unused = palette[i].F;
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(*(ret->format->palette->colors+i))=pr;
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}
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int ftcp=0;
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// If there's a margin anywhere, just blank out the whole surface.
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if (TopMargin > 0 || BottomMargin > 0 || LeftMargin > 0 || RightMargin > 0) {
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memset(((char *)ret->pixels), 0, FullHeight*FullWidth);
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}
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// Skip top margin
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if (TopMargin > 0)
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ftcp += TopMargin*(FullWidth+add);
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switch(defType2)
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{
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case 0:
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{
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for (int i=0;i<SpriteHeight;i++)
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{
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if (LeftMargin>0)
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ftcp += LeftMargin;
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memcpy((char*)(ret->pixels)+ftcp, &FDef[BaseOffset], SpriteWidth);
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ftcp += SpriteWidth;
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BaseOffset += SpriteWidth;
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if (RightMargin>0)
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ftcp += RightMargin;
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}
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}
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break;
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case 1:
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{
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unsigned int * RWEntriesLoc = (unsigned int *)(FDef+BaseOffset);
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BaseOffset += sizeof(int) * SpriteHeight;
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for (int i=0;i<SpriteHeight;i++)
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{
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BaseOffset=BaseOffsetor+RWEntriesLoc[i];
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if (LeftMargin>0)
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ftcp += LeftMargin;
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TotalRowLength=0;
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do
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{
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unsigned int SegmentLength;
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SegmentType=FDef[BaseOffset++];
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SegmentLength=FDef[BaseOffset++] + 1;
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if (SegmentType==0xFF)
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{
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for (int k=0; k<SegmentLength;k++)
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{
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((char*)(ret->pixels))[ftcp++]=FDef[BaseOffset+k];
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if ((TotalRowLength+k)>=SpriteWidth)
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break;
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}
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BaseOffset+=SegmentLength;
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TotalRowLength+=SegmentLength;
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}
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else
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{
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memset((char*)(ret->pixels)+ftcp, SegmentType, SegmentLength);
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ftcp += SegmentLength;
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TotalRowLength += SegmentLength;
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}
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}while(TotalRowLength<SpriteWidth);
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RowAdd=SpriteWidth-TotalRowLength;
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if (RightMargin>0)
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ftcp += RightMargin;
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if (add>0)
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ftcp += add+RowAdd;
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}
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}
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break;
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case 2:
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{
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/*for (int i=0;i<SpriteHeight;i++)
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{
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RWEntries[i] = readNormalNr(BaseOffsetor+i*2*(SpriteWidth/32), 2, FDef);
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}*/
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BaseOffset = BaseOffsetor + *(unsigned short*)( FDef + BaseOffsetor ); //was + RWEntries[0];
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for (int i=0;i<SpriteHeight;i++)
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{
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//BaseOffset = BaseOffsetor+RWEntries[i];
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if (LeftMargin>0)
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ftcp += LeftMargin;
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TotalRowLength=0;
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do
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{
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SegmentType=FDef[BaseOffset++];
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unsigned char code = SegmentType / 32;
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unsigned char value = (SegmentType & 31) + 1;
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if(code==7)
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{
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memcpy((char*)(ret->pixels)+ftcp, &FDef[BaseOffset], value);
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ftcp += value;
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BaseOffset += value;
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}
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else
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{
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memset((char*)(ret->pixels)+ftcp, code, value);
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ftcp += value;
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}
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TotalRowLength+=value;
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} while(TotalRowLength<SpriteWidth);
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if (RightMargin>0)
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ftcp += RightMargin;
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RowAdd=SpriteWidth-TotalRowLength;
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if (add>0)
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ftcp += add+RowAdd;
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}
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}
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break;
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case 3:
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{
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/*for (int i=0;i<SpriteHeight;i++)
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{
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RWEntries[i] = readNormalNr(BaseOffsetor+i*2*(SpriteWidth/32), 2, FDef);
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}*/
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for (int i=0;i<SpriteHeight;i++)
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{
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BaseOffset = BaseOffsetor + *(unsigned short*)( FDef + BaseOffsetor+i*2*(SpriteWidth/32) ); //was + RWEntries[i] before speedup
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if (LeftMargin>0)
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ftcp += LeftMargin;
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TotalRowLength=0;
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do
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{
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SegmentType=FDef[BaseOffset++];
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unsigned char code = SegmentType / 32;
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unsigned char value = (SegmentType & 31) + 1;
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if(code==7)
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{
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for(int h=0; h<value; ++h)
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{
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if(h<-LeftMargin)
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continue;
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if(h+TotalRowLength>=SpriteWidth)
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break;
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((char*)(ret->pixels))[ftcp++]=FDef[BaseOffset++];
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}
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}
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else
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{
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for(int h=0; h<value; ++h)
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{
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if(h<-LeftMargin)
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continue;
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if(h+TotalRowLength>=SpriteWidth)
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break;
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((char*)(ret->pixels))[ftcp++]=code;
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}
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}
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TotalRowLength+=( LeftMargin>=0 ? value : value+LeftMargin );
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}while(TotalRowLength<SpriteWidth);
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if (RightMargin>0)
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ftcp += RightMargin;
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RowAdd=SpriteWidth-TotalRowLength;
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if (add>0)
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ftcp += add+RowAdd;
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}
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}
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break;
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default:
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throw std::string("Unknown sprite format.");
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break;
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}
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SDL_Color ttcol = ret->format->palette->colors[0];
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Uint32 keycol = SDL_MapRGBA(ret->format, ttcol.r, ttcol.b, ttcol.g, ttcol.unused);
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SDL_SetColorKey(ret, SDL_SRCCOLORKEY, keycol);
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return ret;
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};
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CDefEssential * CDefHandler::essentialize()
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{
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CDefEssential * ret = new CDefEssential;
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ret->ourImages = ourImages;
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notFreeImgs = true;
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return ret;
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}
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CDefHandler * CDefHandler::giveDef(std::string defName)
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{
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unsigned char * data = spriteh->giveFile(defName);
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if(!data)
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throw "bad def name!";
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CDefHandler * nh = new CDefHandler();
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nh->openFromMemory(data, defName);
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nh->alphaTransformed = false;
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delete [] data;
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return nh;
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}
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CDefEssential * CDefHandler::giveDefEss(std::string defName)
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{
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CDefEssential * ret;
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CDefHandler * temp = giveDef(defName);
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ret = temp->essentialize();
|
|
delete temp;
|
|
return ret;
|
|
}
|
|
|