mirror of
https://github.com/vcmi/vcmi.git
synced 2024-12-26 22:57:00 +02:00
ee3c318ed9
* version set to 0.73c, bumped save format version, updated changelog * new stack queue for higher resolutions (needs new graphics!) * improved stack ordering during battle * many minor fixes * temporarily disabled AI
891 lines
24 KiB
C++
891 lines
24 KiB
C++
#include "../stdafx.h"
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#include "SDL_Extensions.h"
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#include "SDL_ttf.h"
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#include "CGameInfo.h"
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#include <iostream>
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#include <utility>
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#include <algorithm>
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#include "CMessage.h"
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#include <boost/algorithm/string.hpp>
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#include "../hch/CDefHandler.h"
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#include <map>
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#include "Graphics.h"
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/*
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* SDL_Extensions.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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SDL_Surface * CSDL_Ext::newSurface(int w, int h, SDL_Surface * mod) //creates new surface, with flags/format same as in surface given
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{
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return SDL_CreateRGBSurface(mod->flags,w,h,mod->format->BitsPerPixel,mod->format->Rmask,mod->format->Gmask,mod->format->Bmask,mod->format->Amask);
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}
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SDL_Surface * CSDL_Ext::copySurface(SDL_Surface * mod) //returns copy of given surface
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{
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//return SDL_DisplayFormat(mod);
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return SDL_ConvertSurface(mod, mod->format, mod->flags);
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}
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bool isItIn(const SDL_Rect * rect, int x, int y)
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{
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if ((x>rect->x && x<rect->x+rect->w) && (y>rect->y && y<rect->y+rect->h))
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return true;
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else return false;
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}
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void blitAtWR(SDL_Surface * src, int x, int y, SDL_Surface * dst)
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{
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SDL_Rect pom = genRect(src->h,src->w,x,y);
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SDL_BlitSurface(src,NULL,dst,&pom);
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SDL_UpdateRect(dst,x,y,src->w,src->h);
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}
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void blitAt(SDL_Surface * src, int x, int y, SDL_Surface * dst)
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{
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if(!dst) dst = screen;
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SDL_Rect pom = genRect(src->h,src->w,x,y);
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SDL_BlitSurface(src,NULL,dst,&pom);
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}
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void blitAtWR(SDL_Surface * src, const SDL_Rect & pos, SDL_Surface * dst)
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{
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blitAtWR(src,pos.x,pos.y,dst);
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}
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void blitAt(SDL_Surface * src, const SDL_Rect & pos, SDL_Surface * dst)
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{
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blitAt(src,pos.x,pos.y,dst);
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}
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SDL_Color genRGB(int r, int g, int b, int a=0)
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{
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SDL_Color ret;
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ret.b=b;
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ret.g=g;
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ret.r=r;
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ret.unused=a;
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return ret;
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}
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void updateRect (SDL_Rect * rect, SDL_Surface * scr)
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{
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SDL_UpdateRect(scr,rect->x,rect->y,rect->w,rect->h);
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}
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void CSDL_Ext::printAtMiddleWB(const std::string & text, int x, int y, TTF_Font * font, int charpr, SDL_Color kolor, SDL_Surface * dst)
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{
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std::vector<std::string> * ws = CMessage::breakText(text,charpr);
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std::vector<SDL_Surface*> wesu;
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wesu.resize(ws->size());
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for (size_t i=0; i < wesu.size(); ++i)
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{
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wesu[i]=TTF_RenderText_Blended(font,(*ws)[i].c_str(),kolor);
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}
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int tox=0, toy=0;
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for (size_t i=0; i < wesu.size(); ++i)
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{
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toy+=wesu[i]->h;
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if (tox < wesu[i]->w)
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tox=wesu[i]->w;
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}
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int evx, evy = y - (toy/2);
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for (size_t i=0; i < wesu.size(); ++i)
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{
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evx = (x - (tox/2)) + ((tox-wesu[i]->w)/2);
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blitAt(wesu[i],evx,evy,dst);
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evy+=wesu[i]->h;
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}
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for (size_t i=0; i < wesu.size(); ++i)
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SDL_FreeSurface(wesu[i]);
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delete ws;
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}
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void CSDL_Ext::printAtWB(const std::string & text, int x, int y, TTF_Font * font, int charpr, SDL_Color kolor, SDL_Surface * dst)
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{
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std::vector<std::string> * ws = CMessage::breakText(text,charpr);
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std::vector<SDL_Surface*> wesu;
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wesu.resize(ws->size());
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for (size_t i=0; i < wesu.size(); ++i)
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wesu[i]=TTF_RenderText_Blended(font,(*ws)[i].c_str(),kolor);
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int evy = y;
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for (size_t i=0; i < wesu.size(); ++i)
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{
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blitAt(wesu[i],x,evy,dst);
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evy+=wesu[i]->h;
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}
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for (size_t i=0; i < wesu.size(); ++i)
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SDL_FreeSurface(wesu[i]);
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delete ws;
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}
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void CSDL_Ext::printAtMiddleWB( const std::string & text, int x, int y, EFonts font, int charpr, SDL_Color kolor/*=tytulowy*/, SDL_Surface * dst/*=screen*/, bool refrsh /*= false*/ )
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{
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const Font *f = graphics->fonts[font];
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std::vector<std::string> * ws = CMessage::breakText(text,charpr);
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int totalHeight = ws->size() * f->height;
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int cury = y - totalHeight/2;
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for (size_t i=0; i < ws->size(); ++i)
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{
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printAt((*ws)[i], x - f->getWidth((*ws)[i].c_str())/2, cury, font, kolor, dst, refrsh);
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cury += f->height;
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}
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delete ws;
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}
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void CSDL_Ext::printAtMiddle(const std::string & text, int x, int y, TTF_Font * font, SDL_Color kolor, SDL_Surface * dst, unsigned char quality, bool refresh)
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{
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if(text.length()==0) return;
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SDL_Surface * temp;
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switch (quality)
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{
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case 0:
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temp = TTF_RenderText_Solid(font,text.c_str(),kolor);
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break;
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case 1:
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SDL_Color tem;
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tem.b = 0xff-kolor.b;
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tem.g = 0xff-kolor.g;
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tem.r = 0xff-kolor.r;
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tem.unused = 0xff-kolor.unused;
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temp = TTF_RenderText_Shaded(font,text.c_str(),kolor,tem);
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break;
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case 2:
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temp = TTF_RenderText_Blended(font,text.c_str(),kolor);
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break;
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default:
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temp = TTF_RenderText_Blended(font,text.c_str(),kolor);
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break;
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}
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SDL_BlitSurface(temp,NULL,dst,&genRect(temp->h,temp->w,x-(temp->w/2),y-(temp->h/2)));
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if(refresh)
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SDL_UpdateRect(dst,x-(temp->w/2),y-(temp->h/2),temp->w,temp->h);
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SDL_FreeSurface(temp);
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}
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void CSDL_Ext::printAtMiddle( const std::string & text, int x, int y, EFonts font, SDL_Color kolor/*=zwykly*/, SDL_Surface * dst/*=screen*/, bool refresh /*= false*/ )
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{
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const Font *f = graphics->fonts[font];
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int nx = x - f->getWidth(text.c_str())/2,
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ny = y - f->height/2;
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printAt(text, nx, ny, font, kolor, dst, refresh);
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}
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void CSDL_Ext::printAt(const std::string & text, int x, int y, TTF_Font * font, SDL_Color kolor, SDL_Surface * dst, unsigned char quality, bool refresh)
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{
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if (text.length()==0)
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return;
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SDL_Surface * temp;
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switch (quality)
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{
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case 0:
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temp = TTF_RenderText_Solid(font,text.c_str(),kolor);
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break;
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case 1:
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SDL_Color tem;
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tem.b = 0xff-kolor.b;
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tem.g = 0xff-kolor.g;
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tem.r = 0xff-kolor.r;
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tem.unused = 0xff-kolor.unused;
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temp = TTF_RenderText_Shaded(font,text.c_str(),kolor,tem);
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break;
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case 2:
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temp = TTF_RenderText_Blended(font,text.c_str(),kolor);
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break;
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default:
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temp = TTF_RenderText_Blended(font,text.c_str(),kolor);
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break;
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}
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SDL_BlitSurface(temp,NULL,dst,&genRect(temp->h,temp->w,x,y));
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if(refresh)
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SDL_UpdateRect(dst,x,y,temp->w,temp->h);
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SDL_FreeSurface(temp);
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}
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void CSDL_Ext::printAt( const std::string & text, int x, int y, EFonts font, SDL_Color kolor/*=zwykly*/, SDL_Surface * dst/*=screen*/, bool refresh /*= false*/ )
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{
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if(!text.size())
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return;
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assert(dst);
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assert(font < Graphics::FONTS_NUMBER);
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assert(dst->format->BytesPerPixel == 3 || dst->format->BytesPerPixel == 4); // 24/32 bpp dst only
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const Font *f = graphics->fonts[font];
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const Uint8 bpp = dst->format->BytesPerPixel;
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Uint8 *px = NULL;
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Uint8 *src = NULL;
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//if text is in {} braces, we'll ommit them
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const int first = (text[0] == '{' ? 1 : 0);
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const int beyondEnd = (text[text.size()-1] == '}' ? text.size()-1 : text.size());
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for(int txti = first; txti < beyondEnd; txti++)
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{
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const unsigned char c = text[txti];
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src = f->chars[c].pixels;
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x += f->chars[c].unknown1;
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for(int i = 0; i < f->height && (y + i) < (dst->h - 1); i++)
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{
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px = (Uint8*)dst->pixels;
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px += (y+i) * dst->pitch + x * bpp;
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for(int j = 0; j < f->chars[c].width && (j + x) < (dst->w - 1); j++)
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{
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switch(*src)
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{
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case 1: //black "shadow"
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memset(px, 0, bpp);
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break;
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case 255: //text colour
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px[0] = kolor.b;
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px[1] = kolor.g;
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px[2] = kolor.r;
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break;
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}
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src++;
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px += bpp;
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}
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}
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x += f->chars[c].width;
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x += f->chars[c].unknown2;
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}
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if(refresh)
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{
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SDL_UpdateRect(dst, x, y, f->getWidth(text.c_str()), f->height);
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}
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}
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void CSDL_Ext::printAtWR(const std::string & text, int x, int y, TTF_Font * font, SDL_Color kolor, SDL_Surface * dst, unsigned char quality)
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{
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printAt(text,x,y,font,kolor,dst,quality, true);
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}
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void CSDL_Ext::printTo(const std::string & text, int x, int y, TTF_Font * font, SDL_Color kolor, SDL_Surface * dst, unsigned char quality)
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{
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if (text.length()==0)
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return;
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SDL_Surface * temp;
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switch (quality)
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{
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case 0:
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temp = TTF_RenderText_Solid(font,text.c_str(),kolor);
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break;
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case 1:
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SDL_Color tem;
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tem.b = 0xff-kolor.b;
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tem.g = 0xff-kolor.g;
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tem.r = 0xff-kolor.r;
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tem.unused = 0xff-kolor.unused;
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temp = TTF_RenderText_Shaded(font,text.c_str(),kolor,tem);
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break;
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case 2:
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temp = TTF_RenderText_Blended(font,text.c_str(),kolor);
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break;
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default:
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temp = TTF_RenderText_Blended(font,text.c_str(),kolor);
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break;
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}
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SDL_BlitSurface(temp,NULL,dst,&genRect(temp->h,temp->w,x-temp->w,y-temp->h));
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SDL_UpdateRect(dst,x-temp->w,y-temp->h,temp->w,temp->h);
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SDL_FreeSurface(temp);
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}
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void CSDL_Ext::printTo( const std::string & text, int x, int y, EFonts font, SDL_Color kolor/*=zwykly*/, SDL_Surface * dst/*=screen*/, bool refresh /*= false*/ )
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{
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const Font *f = graphics->fonts[font];
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printAt(text, x - f->getWidth(text.c_str()), y - f->height, font, kolor, dst, refresh);
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}
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void CSDL_Ext::printToWR(const std::string & text, int x, int y, TTF_Font * font, SDL_Color kolor, SDL_Surface * dst, unsigned char quality)
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{
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if (text.length()==0)
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return;
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SDL_Surface * temp;
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switch (quality)
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{
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case 0:
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temp = TTF_RenderText_Solid(font,text.c_str(),kolor);
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break;
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case 1:
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SDL_Color tem;
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tem.b = 0xff-kolor.b;
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tem.g = 0xff-kolor.g;
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tem.r = 0xff-kolor.r;
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tem.unused = 0xff-kolor.unused;
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temp = TTF_RenderText_Shaded(font,text.c_str(),kolor,tem);
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break;
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case 2:
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temp = TTF_RenderText_Blended(font,text.c_str(),kolor);
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break;
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default:
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temp = TTF_RenderText_Blended(font,text.c_str(),kolor);
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break;
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}
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SDL_BlitSurface(temp,NULL,dst,&genRect(temp->h,temp->w,x-temp->w,y-temp->h));
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SDL_FreeSurface(temp);
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}
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void CSDL_Ext::SDL_PutPixel(SDL_Surface *ekran, const int & x, const int & y, const Uint8 & R, const Uint8 & G, const Uint8 & B, Uint8 A)
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{
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Uint8 *p = (Uint8 *)ekran->pixels + y * ekran->pitch + x * ekran->format->BytesPerPixel;
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p[0] = B;
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p[1] = G;
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p[2] = R;
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if(ekran->format->BytesPerPixel==4)
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p[3] = A;
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SDL_UpdateRect(ekran, x, y, 1, 1);
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}
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// Vertical flip
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SDL_Surface * CSDL_Ext::rotate01(SDL_Surface * toRot)
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{
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SDL_Surface * ret = SDL_ConvertSurface(toRot, toRot->format, toRot->flags);
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const int bpl = ret->pitch;
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const int bpp = ret->format->BytesPerPixel;
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for(int i=0; i<ret->h; i++) {
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char *src = (char *)toRot->pixels + i*bpl;
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char *dst = (char *)ret->pixels + i*bpl;
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for(int j=0; j<ret->w; j++) {
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for (int k=0; k<bpp; k++) {
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dst[j*bpp + k] = src[(ret->w-j-1)*bpp + k];
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}
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}
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}
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return ret;
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}
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// Horizontal flip
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SDL_Surface * CSDL_Ext::hFlip(SDL_Surface * toRot)
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{
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SDL_Surface * ret = SDL_ConvertSurface(toRot, toRot->format, toRot->flags);
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int bpl = ret->pitch;
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for(int i=0; i<ret->h; i++) {
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memcpy((char *)ret->pixels + i*bpl, (char *)toRot->pixels + (ret->h-i-1)*bpl, bpl);
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}
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return ret;
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};
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///**************/
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///Rotates toRot surface by 90 degrees left
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///**************/
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SDL_Surface * CSDL_Ext::rotate02(SDL_Surface * toRot)
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{
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SDL_Surface * ret = SDL_ConvertSurface(toRot, toRot->format, toRot->flags);
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//SDL_SetColorKey(ret, SDL_SRCCOLORKEY, toRot->format->colorkey);
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for(int i=0; i<ret->w; ++i)
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{
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for(int j=0; j<ret->h; ++j)
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{
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{
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Uint8 *p = (Uint8 *)toRot->pixels + i * toRot->pitch + j * toRot->format->BytesPerPixel;
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/*
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#if(SDL_BYTEORDER == SDL_BIG_ENDIAN)
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SDL_PutPixelWithoutRefresh(ret, i, j, p[0], p[1], p[2]);
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#else
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*/
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SDL_PutPixelWithoutRefresh(ret, i, j, p[2], p[1], p[0]);
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//#endif
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}
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}
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}
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return ret;
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}
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///*************/
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///Rotates toRot surface by 180 degrees
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///*************/
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SDL_Surface * CSDL_Ext::rotate03(SDL_Surface * toRot)
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{
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SDL_Surface * ret = SDL_ConvertSurface(toRot, toRot->format, toRot->flags);
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//SDL_SetColorKey(ret, SDL_SRCCOLORKEY, toRot->format->colorkey);
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if(ret->format->BytesPerPixel!=1)
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{
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for(int i=0; i<ret->w; ++i)
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{
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for(int j=0; j<ret->h; ++j)
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{
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{
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Uint8 *p = (Uint8 *)toRot->pixels + (ret->h - j - 1) * toRot->pitch + (ret->w - i - 1) * toRot->format->BytesPerPixel+2;
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/*
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#if(SDL_BYTEORDER == SDL_BIG_ENDIAN)
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SDL_PutPixelWithoutRefresh(ret, i, j, p[0], p[1], p[2], 0);
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#else
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*/
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SDL_PutPixelWithoutRefresh(ret, i, j, p[2], p[1], p[0], 0);
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//#endif
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}
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}
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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<ret->w; ++i)
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{
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for(int j=0; j<ret->h; ++j)
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{
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Uint8 *p = (Uint8 *)toRot->pixels + (ret->h - j - 1) * toRot->pitch + (ret->w - i - 1) * toRot->format->BytesPerPixel;
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(*((Uint8*)ret->pixels + j*ret->pitch + i*ret->format->BytesPerPixel)) = *p;
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}
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}
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}
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return ret;
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}
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Uint32 CSDL_Ext::SDL_GetPixel(SDL_Surface *surface, const int & x, const int & y, bool colorByte)
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{
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int bpp = surface->format->BytesPerPixel;
|
|
/* Here p is the address to the pixel we want to retrieve */
|
|
Uint8 *p = (Uint8 *)surface->pixels + y * surface->pitch + x * bpp;
|
|
|
|
switch(bpp)
|
|
{
|
|
case 1:
|
|
if(colorByte)
|
|
{
|
|
return colorToUint32(surface->format->palette->colors+(*p));
|
|
}
|
|
else
|
|
return *p;
|
|
|
|
case 2:
|
|
return *(Uint16 *)p;
|
|
|
|
case 3:
|
|
/*
|
|
#if (SDL_BYTEORDER == SDL_BIG_ENDIAN)
|
|
return p[0] << 16 | p[1] << 8 | p[2];
|
|
#else
|
|
*/
|
|
return p[0] | p[1] << 8 | p[2] << 16;
|
|
//#endif
|
|
|
|
case 4:
|
|
return *(Uint32 *)p;
|
|
|
|
default:
|
|
return 0; // shouldn't happen, but avoids warnings
|
|
}
|
|
}
|
|
|
|
void CSDL_Ext::alphaTransform(SDL_Surface *src)
|
|
{
|
|
assert(src->format->BitsPerPixel == 8);
|
|
SDL_Color colors[] = {{0,0,0,255}, {0,0,0,214}, {0,0,0,164}, {0,0,0,82}, {0,0,0,128},
|
|
{255,0,0,0}, {255,0,0,0}, {255,0,0,0}, {0,0,0,192}, {0,0,0,192}};
|
|
|
|
SDL_SetColors(src, colors, 0, ARRAY_COUNT(colors));
|
|
SDL_SetColorKey(src, SDL_SRCCOLORKEY, SDL_MapRGBA(src->format, 0, 0, 0, 255));
|
|
}
|
|
// <=>
|
|
|
|
static void prepareOutRect(SDL_Rect &dst, const SDL_Rect *dstRect, const SDL_Rect *clip_rect)
|
|
{
|
|
dst.x = std::max(dstRect->x,clip_rect->x);
|
|
dst.y = std::max(dstRect->y,clip_rect->y);
|
|
dst.w = std::max(0,std::min(dstRect->w - (dst.x - dstRect->x), clip_rect->x + clip_rect->w - dst.x));
|
|
dst.h = std::max(0,std::min(dstRect->h - (dst.y - dstRect->y), clip_rect->y + clip_rect->h - dst.y));
|
|
}
|
|
|
|
void CSDL_Ext::blitWithRotate1(const SDL_Surface *src, const SDL_Rect * srcRect, SDL_Surface * dst, const SDL_Rect * dstRect)//srcRect is not used, works with 8bpp sources and 24/32 bpp dests
|
|
{
|
|
Uint8 *sp = (Uint8 *)src->pixels;
|
|
const int bpp = dst->format->BytesPerPixel;
|
|
Uint8 *dporg = (Uint8 *)dst->pixels + dstRect->y*dst->pitch + (dstRect->x+dstRect->w)*bpp;
|
|
const SDL_Color * const colors = src->format->palette->colors;
|
|
|
|
for(int i=dstRect->h; i>0; i--, dporg += dst->pitch)
|
|
{
|
|
Uint8 *dp = dporg;
|
|
|
|
sp += src->w - dstRect->w;
|
|
|
|
for(int j=dstRect->w; j>0; j--, sp++)
|
|
{
|
|
if (bpp == 4)
|
|
*(--dp) = 0;
|
|
|
|
const SDL_Color color = colors[*sp];
|
|
|
|
*(--dp) = color.r;
|
|
*(--dp) = color.g;
|
|
*(--dp) = color.b;
|
|
}
|
|
}
|
|
}
|
|
|
|
void CSDL_Ext::blitWithRotate1clip(SDL_Surface *src,SDL_Rect * srcRect, SDL_Surface * dst, SDL_Rect * dstRect)//srcRect is not used, works with 8bpp sources and 24bpp dests
|
|
{
|
|
SDL_Rect realDest;
|
|
prepareOutRect(realDest,dstRect,&dst->clip_rect);
|
|
blitWithRotate1(src,srcRect,dst,&realDest);
|
|
}
|
|
|
|
void CSDL_Ext::blitWithRotate2(const SDL_Surface *src, const SDL_Rect * srcRect, SDL_Surface * dst, const SDL_Rect * dstRect)//srcRect is not used, works with 8bpp sources and 24/32 bpp dests
|
|
{
|
|
Uint8 *sp = (Uint8 *)src->pixels;
|
|
const int bpp = dst->format->BytesPerPixel;
|
|
Uint8 *dporg = (Uint8 *)dst->pixels + (dstRect->y + dstRect->h - 1)*dst->pitch + dstRect->x*bpp;
|
|
const SDL_Color * const colors = src->format->palette->colors;
|
|
|
|
for(int i=dstRect->h; i>0; i--, dporg -= dst->pitch)
|
|
{
|
|
Uint8 *dp = dporg;
|
|
|
|
for(int j=dstRect->w; j>0; j--, sp++)
|
|
{
|
|
const SDL_Color color = colors[*sp];
|
|
|
|
*(dp++) = color.b;
|
|
*(dp++) = color.g;
|
|
*(dp++) = color.r;
|
|
|
|
if (bpp == 4)
|
|
*(dp++) = 0;
|
|
}
|
|
|
|
sp += src->w - dstRect->w;
|
|
}
|
|
}
|
|
|
|
void CSDL_Ext::blitWithRotate2clip(const SDL_Surface *src, const SDL_Rect * srcRect, SDL_Surface * dst, const SDL_Rect * dstRect)//srcRect is not used, works with 8bpp sources and 24bpp dests
|
|
{
|
|
SDL_Rect realDest;
|
|
prepareOutRect(realDest,dstRect,&dst->clip_rect);
|
|
blitWithRotate2(src,srcRect,dst,&realDest);
|
|
}
|
|
|
|
void CSDL_Ext::blitWithRotate3(const SDL_Surface *src, const SDL_Rect * srcRect, SDL_Surface * dst, const SDL_Rect * dstRect)//srcRect is not used, works with 8bpp sources and 24/32 bpp dests
|
|
{
|
|
Uint8 *sp = (Uint8 *)src->pixels;
|
|
const int bpp = dst->format->BytesPerPixel;
|
|
Uint8 *dporg = (Uint8 *)dst->pixels +(dstRect->y + dstRect->h - 1)*dst->pitch + (dstRect->x+dstRect->w)*bpp;
|
|
const SDL_Color * const colors = src->format->palette->colors;
|
|
|
|
for(int i=dstRect->h; i>0; i--, dporg -= dst->pitch)
|
|
{
|
|
Uint8 *dp = dporg;
|
|
|
|
sp += src->w - dstRect->w;
|
|
|
|
for(int j=dstRect->w; j>0; j--, sp++)
|
|
{
|
|
const SDL_Color color = colors[*sp];
|
|
|
|
if (bpp == 4)
|
|
*(--dp) = 0;
|
|
|
|
*(--dp) = color.r;
|
|
*(--dp) = color.g;
|
|
*(--dp) = color.b;
|
|
}
|
|
}
|
|
}
|
|
|
|
void CSDL_Ext::blitWithRotate3clip(SDL_Surface *src,SDL_Rect * srcRect, SDL_Surface * dst, SDL_Rect * dstRect)//srcRect is not used, works with 8bpp sources and 24bpp dests
|
|
{
|
|
SDL_Rect realDest;
|
|
prepareOutRect(realDest,dstRect,&dst->clip_rect);
|
|
blitWithRotate3(src,srcRect,dst,&realDest);
|
|
}
|
|
|
|
int CSDL_Ext::blit8bppAlphaTo24bpp(const SDL_Surface * src, const SDL_Rect * srcRect, SDL_Surface * dst, SDL_Rect * dstRect)
|
|
{
|
|
const int bpp = dst->format->BytesPerPixel;
|
|
|
|
if (src && src->format->BytesPerPixel==1 && dst && (bpp==3 || bpp==4)) //everything's ok
|
|
{
|
|
SDL_Rect fulldst;
|
|
int srcx, srcy, w, h;
|
|
|
|
/* Make sure the surfaces aren't locked */
|
|
if ( ! src || ! dst )
|
|
{
|
|
SDL_SetError("SDL_UpperBlit: passed a NULL surface");
|
|
return -1;
|
|
}
|
|
if ( src->locked || dst->locked )
|
|
{
|
|
SDL_SetError("Surfaces must not be locked during blit");
|
|
return -1;
|
|
}
|
|
|
|
/* If the destination rectangle is NULL, use the entire dest surface */
|
|
if ( dstRect == NULL )
|
|
{
|
|
fulldst.x = fulldst.y = 0;
|
|
dstRect = &fulldst;
|
|
}
|
|
|
|
/* clip the source rectangle to the source surface */
|
|
if(srcRect)
|
|
{
|
|
int maxw, maxh;
|
|
|
|
srcx = srcRect->x;
|
|
w = srcRect->w;
|
|
if(srcx < 0)
|
|
{
|
|
w += srcx;
|
|
dstRect->x -= srcx;
|
|
srcx = 0;
|
|
}
|
|
maxw = src->w - srcx;
|
|
if(maxw < w)
|
|
w = maxw;
|
|
|
|
srcy = srcRect->y;
|
|
h = srcRect->h;
|
|
if(srcy < 0)
|
|
{
|
|
h += srcy;
|
|
dstRect->y -= srcy;
|
|
srcy = 0;
|
|
}
|
|
maxh = src->h - srcy;
|
|
if(maxh < h)
|
|
h = maxh;
|
|
|
|
}
|
|
else
|
|
{
|
|
srcx = srcy = 0;
|
|
w = src->w;
|
|
h = src->h;
|
|
}
|
|
|
|
/* clip the destination rectangle against the clip rectangle */
|
|
{
|
|
SDL_Rect *clip = &dst->clip_rect;
|
|
int dx, dy;
|
|
|
|
dx = clip->x - dstRect->x;
|
|
if(dx > 0)
|
|
{
|
|
w -= dx;
|
|
dstRect->x += dx;
|
|
srcx += dx;
|
|
}
|
|
dx = dstRect->x + w - clip->x - clip->w;
|
|
if(dx > 0)
|
|
w -= dx;
|
|
|
|
dy = clip->y - dstRect->y;
|
|
if(dy > 0)
|
|
{
|
|
h -= dy;
|
|
dstRect->y += dy;
|
|
srcy += dy;
|
|
}
|
|
dy = dstRect->y + h - clip->y - clip->h;
|
|
if(dy > 0)
|
|
h -= dy;
|
|
}
|
|
|
|
if(w > 0 && h > 0)
|
|
{
|
|
dstRect->w = w;
|
|
dstRect->h = h;
|
|
|
|
if(SDL_LockSurface(dst))
|
|
return -1; //if we cannot lock the surface
|
|
|
|
const SDL_Color *colors = src->format->palette->colors;
|
|
Uint8 *colory = (Uint8*)src->pixels + srcy*src->pitch + srcx;
|
|
Uint8 *py = (Uint8*)dst->pixels + dstRect->y*dst->pitch + dstRect->x*bpp;
|
|
|
|
if(dst->format->Rshift==16) //such as screen
|
|
{
|
|
for(int y=h; y; y--, colory+=src->pitch, py+=dst->pitch)
|
|
{
|
|
Uint8 *color = colory;
|
|
Uint8 *p = py;
|
|
|
|
for(int x=w; x; x--, p += bpp)
|
|
{
|
|
const SDL_Color tbc = colors[*color++]; //color to blit
|
|
|
|
switch (tbc.unused)
|
|
{
|
|
case 255:
|
|
// ~59% of calls
|
|
break;
|
|
case 0:
|
|
// ~37% of calls
|
|
p[0] = tbc.b;
|
|
p[1] = tbc.g;
|
|
p[2] = tbc.r;
|
|
break;
|
|
case 128: // optimized
|
|
// ~3.5% of calls
|
|
p[0] = ((Uint16)tbc.b + (Uint16)p[0]) >> 1;
|
|
p[1] = ((Uint16)tbc.g + (Uint16)p[1]) >> 1;
|
|
p[2] = ((Uint16)tbc.r + (Uint16)p[2]) >> 1;
|
|
break;
|
|
default:
|
|
// ~0.5% of calls
|
|
p[0] = ((((Uint32)p[0]-(Uint32)tbc.b)*(Uint32)tbc.unused) >> 8 + (Uint32)tbc.b);
|
|
p[1] = ((((Uint32)p[1]-(Uint32)tbc.g)*(Uint32)tbc.unused) >> 8 + (Uint32)tbc.g);
|
|
p[2] = ((((Uint32)p[2]-(Uint32)tbc.r)*(Uint32)tbc.unused) >> 8 + (Uint32)tbc.r);
|
|
//p[2] = ((Uint32)tbc.unused*(Uint32)p[2] + (Uint32)tbc.r*(Uint32)(255-tbc.unused))>>8; //red
|
|
//p[1] = ((Uint32)tbc.unused*(Uint32)p[1] + (Uint32)tbc.g*(Uint32)(255-tbc.unused))>>8; //green
|
|
//p[0] = ((Uint32)tbc.unused*(Uint32)p[0] + (Uint32)tbc.b*(Uint32)(255-tbc.unused))>>8; //blue
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else if(dst->format->Rshift==0) //like in most surfaces
|
|
{
|
|
for(int y=h; y; y--, colory+=src->pitch, py+=dst->pitch)
|
|
{
|
|
Uint8 *color = colory;
|
|
Uint8 *p = py;
|
|
|
|
for(int x=w; x; x--, p += bpp)
|
|
{
|
|
const SDL_Color tbc = colors[*color++]; //color to blit
|
|
|
|
// According analyze, the values of tbc.unused are fixed,
|
|
// and the approximate ratios are as following:
|
|
//
|
|
// tbc.unused numbers
|
|
// 192 2679
|
|
// 164 326907
|
|
// 82 705590
|
|
// 214 1292625
|
|
// 128 4842923
|
|
// 0 72138078
|
|
// 255 77547326
|
|
//
|
|
// By making use of such characteristic, we may implement a
|
|
// very fast algorithm for heroes3 without loose much quality.
|
|
switch (tbc.unused)
|
|
{
|
|
case 255:
|
|
break;
|
|
case 0:
|
|
p[0] = tbc.r;
|
|
p[1] = tbc.g;
|
|
p[2] = tbc.b;
|
|
break;
|
|
case 128: // optimized
|
|
p[0] = ((Uint16)tbc.r + (Uint16)p[0]) >> 1;
|
|
p[1] = ((Uint16)tbc.g + (Uint16)p[1]) >> 1;
|
|
p[2] = ((Uint16)tbc.b + (Uint16)p[2]) >> 1;
|
|
break;
|
|
default:
|
|
p[0] = ((((Uint32)p[0]-(Uint32)tbc.r)*(Uint32)tbc.unused) >> 8 + (Uint32)tbc.r);
|
|
p[1] = ((((Uint32)p[1]-(Uint32)tbc.g)*(Uint32)tbc.unused) >> 8 + (Uint32)tbc.g);
|
|
p[2] = ((((Uint32)p[2]-(Uint32)tbc.b)*(Uint32)tbc.unused) >> 8 + (Uint32)tbc.b);
|
|
//p[0] = ((Uint32)tbc.unused*(Uint32)p[0] + (Uint32)tbc.r*(Uint32)(255-tbc.unused))>>8; //red
|
|
//p[1] = ((Uint32)tbc.unused*(Uint32)p[1] + (Uint32)tbc.g*(Uint32)(255-tbc.unused))>>8; //green
|
|
//p[2] = ((Uint32)tbc.unused*(Uint32)p[2] + (Uint32)tbc.b*(Uint32)(255-tbc.unused))>>8; //blue
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
SDL_UnlockSurface(dst);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
Uint32 CSDL_Ext::colorToUint32(const SDL_Color * color)
|
|
{
|
|
Uint32 ret = 0;
|
|
ret+=color->unused;
|
|
ret<<=8; //*=256
|
|
ret+=color->b;
|
|
ret<<=8; //*=256
|
|
ret+=color->g;
|
|
ret<<=8; //*=256
|
|
ret+=color->r;
|
|
return ret;
|
|
}
|
|
|
|
void CSDL_Ext::update(SDL_Surface * what)
|
|
{
|
|
if(what)
|
|
SDL_UpdateRect(what, 0, 0, what->w, what->h);
|
|
}
|
|
void CSDL_Ext::drawBorder(SDL_Surface * sur, int x, int y, int w, int h, const int3 &color)
|
|
{
|
|
for(int i=0;i<w;i++)
|
|
{
|
|
SDL_PutPixelWithoutRefresh(sur,x+i,y,color.x,color.y,color.z);
|
|
SDL_PutPixelWithoutRefresh(sur,x+i,y+h-1,color.x,color.y,color.z);
|
|
}
|
|
for(int i=0; i<h;i++)
|
|
{
|
|
SDL_PutPixelWithoutRefresh(sur,x,y+i,color.x,color.y,color.z);
|
|
SDL_PutPixelWithoutRefresh(sur,x+w-1,y+i,color.x,color.y,color.z);
|
|
}
|
|
}
|
|
|
|
void CSDL_Ext::drawBorder( SDL_Surface * sur, const SDL_Rect &r, const int3 &color )
|
|
{
|
|
drawBorder(sur, r.x, r.y, r.w, r.h, color);
|
|
}
|
|
|
|
void CSDL_Ext::setPlayerColor(SDL_Surface * sur, unsigned char player)
|
|
{
|
|
if(player==254)
|
|
return;
|
|
if(sur->format->BitsPerPixel==8)
|
|
{
|
|
if(player != 255)
|
|
*(sur->format->palette->colors+5) = graphics->playerColors[player];
|
|
else
|
|
*(sur->format->palette->colors+5) = *graphics->neutralColor;
|
|
}
|
|
}
|
|
int readNormalNr (std::istream &in, int bytCon)
|
|
{
|
|
int ret=0;
|
|
int amp=1;
|
|
unsigned char byte;
|
|
if (in.good())
|
|
{
|
|
for (int i=0; i<bytCon; i++)
|
|
{
|
|
in.read((char*)&byte,1);
|
|
ret+=byte*amp;
|
|
amp<<=8;
|
|
}
|
|
}
|
|
else return -1;
|
|
return ret;
|
|
}
|
|
|
|
std::string CSDL_Ext::processStr(std::string str, std::vector<std::string> & tor)
|
|
{
|
|
for (size_t i=0; (i<tor.size())&&(boost::find_first(str,"%s")); ++i)
|
|
{
|
|
boost::replace_first(str,"%s",tor[i]);
|
|
}
|
|
return str;
|
|
}
|
|
|
|
SDL_Surface * CSDL_Ext::std32bppSurface = NULL;
|