rastermap.cpp

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//
// rastermap.cpp
//
/*
*******************************************************************************************************
Copyright (c) 2011, Christopher John Topping, Aarhus University
All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided
that the following conditions are met:

Redistributions of source code must retain the above copyright notice, this list of conditions and the
following disclaimer.
Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
********************************************************************************************************
*/

#define _CRT_SECURE_NO_DEPRECATE

#include <cstdio>
#include <stdlib.h>
#include <string>
#include <iostream>
#include <fstream>
#include "maperrormsg.h"
#include "rastermap.h"
#include "configurator.h"
#include "../Landscape/ls.h"

using namespace std;

CfgBool cfg_manipulation1_on("RASTER_MANIPULATION_ONE_ON",CFG_CUSTOM,false);
CfgBool cfg_rectangularmaps_on("RASTER_RECTANGULARMAPS_ON",CFG_CUSTOM,true);
CfgInt cfg_rastermapmanipmultiply("RASTER_MANIPULATION_MULTIPLYFACTOR",CFG_CUSTOM,2);

RasterMap::RasterMap(const char* a_mapfile, Landscape * a_landscape)
{
    m_landscape = a_landscape;
    FILE * IFile;

    IFile = fopen(a_mapfile, "rb");
    if (!IFile) {
        g_msg->Warn(WARN_FILE, "RasterMap::RasterMap(): Unable to open file",
            a_mapfile);
        exit(1);
    }
    fread(m_id, 1, 12, IFile);
    fclose(IFile);
    if (strcmp(m_id, "An LSB File") == 0 ) Init1(a_mapfile, a_landscape); else Init2(a_mapfile, a_landscape);
    if (cfg_manipulation1_on.value()) {
        Manipulation1();
        exit(10);
    }
}

void RasterMap::Init1(const char* a_mapfile, Landscape * a_landscape)
{
    m_landscape = a_landscape;
    FILE * IFile;
    char error_num[20];
    int lastref = -9999;

    IFile = fopen(a_mapfile, "rb");
    if (!IFile) {
        g_msg->Warn(WARN_FILE, "RasterMap::RasterMap(): Unable to open file",
            a_mapfile);
        exit(1);
    }
    fread(m_id, 1, 12, IFile);
    fread(&m_width, 1, sizeof(int), IFile);
    if (!cfg_rectangularmaps_on.value())m_height = m_width; else fread(&m_height, 1, sizeof(int), IFile);

    m_map = (int*)malloc(sizeof(int)* m_width*m_height);
    if (m_map == NULL) {
        g_msg->Warn(WARN_FATAL,
            "RasterMap::RasterMap(): Out of memory.", "");
        exit(1);
    }

    fread(m_map, 1, sizeof(int)*m_width*m_height, IFile);
    m_x = m_width;
    m_y = m_height;
    for (int x = 0; x<m_x; x++) {
        for (int y = 0; y<m_y; y++) {
            int i = Get(x, y);
            if (i<0) {
                //if ( i<0 || i> 250000 ) { REMOVED 5/7/2013 due to problems with large maps overstepping this limit
                // This fills in holes caused by -9999, but if two consequetive holes are found, then it will exit
                i = lastref;
                if (i<0) {
                    //        if ( i<0 || i> 250000 ) {
                    sprintf(error_num, "%d", Get(x, y));
                    g_msg->Warn(WARN_FILE, "RasterMap::RasterMap(): Unknown polygon map number (could be a hole):", error_num);
                    exit(1);
                }
                Put(x, y, i);
            }
            lastref = i;
            if (m_polymapping[Get(x, y)] == -1)
            {
                // Tripping out here means that the lsb file has a polygon that is not
                // listed in the polygonrefs file
                sprintf(error_num, "%d", Get(x, y));
                g_msg->Warn(WARN_FILE, "RasterMap::RasterMap():" " Unknown polygon ref number:", error_num);
                exit(1);
            }
        }
    }
    fclose(IFile);
}

void RasterMap::Init2(const char* a_mapfile, Landscape * a_landscape)
{
    m_landscape = a_landscape;
    char error_num[20];

    ifstream IFile(a_mapfile, ios::binary);
    if (!IFile.is_open()) {
        g_msg->Warn(WARN_FILE, "RasterMap::RasterMap(): Unable to open file",
            a_mapfile);
        exit(1);
    }
    IFile.read(m_id,12);
    IFile.read((char*)&m_width, sizeof (int));
    IFile.read((char*)&m_height, sizeof (int));
    m_map = new int[ m_width*m_height];
    if (m_map == NULL) {
        g_msg->Warn(WARN_FATAL,
            "RasterMap::RasterMap(): Out of memory.", "");
        exit(1);
    }
    IFile.read((char*)m_map, m_width*m_height * sizeof(int));

    m_x = m_width;
    m_y = m_height;
    int pref = -1;
    for (int x = 0; x<m_x; x++) 
    {
        for (int y = 0; y<m_y; y++) 
        {
            pref = Get(x, y);
            if (pref<0)
            {
                sprintf(error_num, "%d", Get(x, y));
                g_msg->Warn(WARN_FILE, "RasterMap::RasterMap(): Unknown polygon map number (could be a hole):", error_num);
                exit(1);
            }
            if (m_polymapping[Get(x, y)] == -1)
            {
                // Tripping out here means that the lsb file has a polygon that is not
                // listed in the polygonrefs file
                sprintf(error_num, "%d", Get(x, y));
                g_msg->Warn(WARN_FILE, "RasterMap::RasterMap():" " Unknown polygon ref number:", error_num);
                exit(1);
            }
        }
    }
    IFile.close();
}

RasterMap::~RasterMap( void )
{
  free( m_map );
}

void RasterMap::Manipulation1() {

    FILE* o1;
    FILE* o2;
    o1=fopen("RasterDump1.lsb","wb");
    o2=fopen("RasterDump2.lsb","wb");
    char * l_id = m_id;
    int new_height = m_height*2;
    fwrite( l_id, 1, 12, o1 );
    fwrite( & new_height, 1, sizeof( int ), o1 );
        for (int y=0; y< m_width; y++ ) {
    for ( int x = 0; x < m_width ; x++ ) {
            int l_poly = Get(x,y);
            fwrite( & l_poly, 1, sizeof( int ), o1 );
            fwrite( & l_poly, 1, sizeof( int ), o1 );
        }
    for ( int x = 0; x < m_width ; x++ ) {
            int l_poly = Get(x,y);
            fwrite( & l_poly, 1, sizeof( int ), o1 );
            fwrite( & l_poly, 1, sizeof( int ), o1 );
        }
    }
    int multiply=cfg_rastermapmanipmultiply.value();
    new_height = m_height*multiply;
    fwrite( l_id, 1, 12, o2 );
    fwrite( &new_height, 1, sizeof( int ), o2 );
    for (int m=0; m<multiply; m++) {
        for (int y=0; y< m_width; y++ ) {
            for (int mm=0; mm<multiply; mm++) {
                for ( int x = 0; x < m_width ; x++ ) {
                    int l_poly = Get(x,y);
                    fwrite( & l_poly, 1, sizeof( int ), o2 );
                }
            }
        }
    }
    fclose( o1 );
    fclose( o2 );
}

int RasterMap::CellReplacementNeighbour(int a_x, int a_y, int a_polyref)
{
    if ((a_x < 1) || (a_x > m_width - 2) || (a_y < 1) || (a_y > m_height - 2)) return -1;
    int toreplace = Get(a_x, a_y);
    if (toreplace != a_polyref)
    {
        g_msg->Warn("RasterMap::CellReplacementNeighbour: x,y pair does not match polyref ", a_polyref);
        exit(0);
    }
    int surroundingcells[8];
    surroundingcells[0] = Get(a_x - 1, a_y - 1);
    surroundingcells[1] = Get(a_x    , a_y - 1);
    surroundingcells[2] = Get(a_x + 1, a_y - 1);
    surroundingcells[3] = Get(a_x - 1, a_y);
    surroundingcells[4] = Get(a_x + 1, a_y);
    surroundingcells[5] = Get(a_x - 1, a_y + 1);
    surroundingcells[6] = Get(a_x    , a_y + 1);
    surroundingcells[7] = Get(a_x + 1, a_y + 1);
    // Find out how many duplicates we have
    int count[8];
    for (int i = 0; i < 8; i++)
    {
        count[i] = 0;
        for (int j = 0; j < 8; j++)
        {
            if (surroundingcells[j] == surroundingcells[i]) count[i]++;
        }
    }
    int found = -1;
    int index = 0;
    for (int i = 0; i < 8; i++)
    {
        if (count[i]>found) index = i;
    }
    return surroundingcells[index];
}

bool RasterMap::MissingCellReplace(int a_x, int a_y, bool a_fieldsonly)
{
    int surroundingcells[8];
    surroundingcells[0] = Get(a_x - 1, a_y - 1);
    surroundingcells[1] = Get(a_x, a_y - 1);
    surroundingcells[2] = Get(a_x + 1, a_y - 1);
    surroundingcells[3] = Get(a_x - 1, a_y);
    surroundingcells[4] = Get(a_x + 1, a_y);
    surroundingcells[5] = Get(a_x - 1, a_y + 1);
    surroundingcells[6] = Get(a_x, a_y + 1);
    surroundingcells[7] = Get(a_x + 1, a_y + 1);
    // If we prefer fields then check if we have any
    if (a_fieldsonly)
    {
        unsigned offset = (unsigned)(((double)rand() / RAND_MAX + 1) * 8);
        for (unsigned i = 0; i < 8; i++)
        {
            if (m_landscape->IsFieldType(m_landscape->SupplyElementType(surroundingcells[(i + offset) % 8])))
            {
                // We have a next door field, so use this
                Put(a_x, a_y, surroundingcells[(i + offset) % 8]);
                return true;
            }
        }

    }
    return false;
}

bool RasterMap::MissingCellReplaceWrap(int a_x, int a_y, bool a_fieldsonly)
{
    int surroundingcells[8];
    if (a_x >= 1 && a_y >= 1) surroundingcells[0] = Get(a_x - 1, a_y - 1); else surroundingcells[0] = Get(a_x, a_y);
    if (a_y >= 1) surroundingcells[1] = Get(a_x, a_y - 1); else surroundingcells[1] = Get(a_x, a_y);
    if (a_x < m_width-1 && a_y >= 1) surroundingcells[2] = Get(a_x + 1, a_y - 1); else surroundingcells[2] = Get(a_x, a_y);
    if (a_x >= 1) surroundingcells[3] = Get(a_x - 1, a_y); else surroundingcells[3] = Get(a_x, a_y);
    if (a_x < m_width-1) surroundingcells[4] = Get(a_x + 1, a_y); else surroundingcells[4] = Get(a_x, a_y);
    if (a_x >= 1 && a_y < m_height-1) surroundingcells[5] = Get(a_x - 1, a_y + 1); else surroundingcells[5] = Get(a_x, a_y);
    if (a_y < m_height-1) surroundingcells[6] = Get(a_x, a_y + 1); else surroundingcells[6] = Get(a_x, a_y);
    if (a_x < m_width-1 && a_y < m_height-1) surroundingcells[7] = Get(a_x + 1, a_y + 1); else surroundingcells[7] = Get(a_x, a_y);
    // If we prefer fields then check if we have any
    if (a_fieldsonly)
    {
        unsigned offset = (unsigned)(((double)rand() / RAND_MAX + 1) * 8);
        for (unsigned i = 0; i < 8; i++)
        {
            TTypesOfLandscapeElement tole = m_landscape->SupplyElementType(surroundingcells[(i + offset) % 8]);
            if ((tole == tole_Field) || (tole == tole_Orchard) || (tole == tole_PermanentSetaside) || (tole == tole_PermPasture) || (tole == tole_PermPastureLowYield)
                || (tole == tole_PermPastureTussocky) || (tole == tole_PermPastureTussockyWet) || (tole == tole_Vildtager))
            {
                // We have a next door field, so use this
                Put(a_x, a_y, surroundingcells[(i + offset) % 8]);
                return true;
            }
        }

    }
/*  else
    {
        unsigned offset = (unsigned)(((double)rand() / RAND_MAX + 1) * 8);
        for (unsigned i = 0; i < 8; i++)
        {
            TTypesOfLandscapeElement tole = m_landscape->SupplyElementType(surroundingcells[(i + offset) % 8]);
            if ((tole != tole_Missing))
            {
                // We have a next door useful polygon, so use this
                Put(a_x, a_y, surroundingcells[(i + offset) % 8]);
                return true;
            }
        }
    }
*/
    return false;
}