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/***************************************************************************
mapimageexport.cpp
-------------------
copyright : (C) 2005 by Martin Bickel
email : bickel@asc-hq.org
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "loadpcx.h"
#include "mapdisplay.h"
#include "mapimageexport.h"
#include "dialogs/fileselector.h"
#include "graphics/surface2png.h"
#include "spfst.h"
#include "iconrepository.h"
#include "viewcalculation.h"
#include "graphics/blitter.h"
WholeMapRenderer :: WholeMapRenderer ( GameMap* actmap ) : gamemap ( actmap )
{
int bufsizex = actmap->xsize * fielddistx + 200 ;
int bufsizey = actmap->ysize * fielddisty + 200 ;
surface = Surface::createSurface( bufsizex, bufsizey, 32, Surface::transparent << 24 );
}
void WholeMapRenderer::render()
{
paintTerrain( surface, gamemap, gamemap->getPlayerView(), ViewPort( 0, 0, gamemap->xsize, gamemap->ysize ), MapCoordinate( 0, 0 ) );
// renderVisibility();
}
void WholeMapRenderer::renderVisibility()
{
computeview( gamemap );
ColorMerger_AlphaMerge<4> cmam;
PutPixel<4, ColorMerger_AlphaMerge > pp(surface);
Surface& mask = IconRepository::getIcon("largehex.pcx");
for ( int y = 0; y < gamemap->ysize; ++y )
for ( int x = 0; x < gamemap->xsize; ++x )
if ( fieldvisiblenow( gamemap->getField(x,y), gamemap->getPlayerView() )) {
int view = -1;
int maxview = 0;
for ( int i = 1; i < gamemap->getPlayerCount(); ++i )
if ( gamemap->getField(x,y)->view[i].view > maxview ) {
maxview = gamemap->getField(x,y)->view[i].view;
view = i;
}
if ( view >= 0 )
for ( int yp = 0; yp < fieldsizey; ++yp)
for ( int xp = 0; xp < fieldsizex; ++xp)
if ( mask.GetPixel(xp,yp) != 0xff )
pp.set( getFieldPos(x,y) + SPoint(xp,yp), gamemap->getPlayer( view ).getColor().MapRGBA( surface.getBaseSurface()->format, min(maxview,150)*2/3));
}
}
void WholeMapRenderer::writePCX( const ASCString& filename )
{
writepcx( filename, surface, SDLmm::SRect( SPoint( surfaceBorder, surfaceBorder), (gamemap->xsize-1) * fielddistx + fielddisthalfx + fieldsizex, (gamemap->ysize - 1) * fielddisty + fieldysize ) );
}
void WholeMapRenderer::writePNG( const ASCString& filename )
{
::writePNG( constructFileName(0,"",filename), surface, SDLmm::SRect( SPoint( surfaceBorder, surfaceBorder), (gamemap->xsize-1) * fielddistx + fielddisthalfx + fieldsizex, (gamemap->ysize - 1) * fielddisty + fieldysize ) );
}
void writemaptopcx ( GameMap* gamemap, bool addview )
{
ASCString name = selectFile( "*.png", false );
StatusMessageWindowHolder smw = MessagingHub::Instance().infoMessageWindow( "writing map to " + name );
if ( !name.empty() ) {
WholeMapRenderer wmr( gamemap );
wmr.render();
if ( addview )
wmr.renderVisibility();
wmr.writePNG( name );
}
}
void writemaptostream ( GameMap* gamemap, int width, int height, tnstream& stream )
{
WholeMapRenderer wmr( gamemap );
wmr.render();
Surface dst = Surface::createSurface(width, height, 32, 0);
MegaBlitter< gamemapPixelSize, gamemapPixelSize,ColorTransform_None,ColorMerger_AlphaOverwrite,SourcePixelSelector_DirectZoom,TargetPixelSelector_Rect> blitter;
blitter.setSize( wmr.surface.w(), wmr.surface.h(), dst.w(), dst.h() );
SDL_Rect clip;
clip.x = 0;
clip.y = 0;
clip.h = height;
clip.w = width;
blitter.setTargetRect( clip );
blitter.blit( wmr.surface, dst, SPoint(0, 0) );
stream.writeInt( 1 ); // version counter
stream.writeInt( width );
stream.writeInt( height );
for ( int y = 0; y < dst.h(); ++y ) {
for ( int x = 0; x < dst.w(); ++x ) {
stream.writeInt( dst.GetPixel(x, y) );
}
}
}
Surface loadmapfromstream ( tnstream& stream )
{
int version = stream.readInt();
if ( version != 1 )
throw tinvalidversion ( "Embedded map image", 1, version );
int width = stream.readInt();
int height = stream.readInt();
assertOrThrow( width >= 0 && width <= 1000 );
assertOrThrow( height >= 0 && height <= 1000 );
Surface image = Surface::createSurface( width, height , 32, 0);
for ( int y = 0; y < height; ++y )
for ( int x = 0; x < width; ++x ) {
image.SetPixel(x,y, stream.readInt());
}
return image;
}
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