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#include <stdio.h> // sscanf
#include <engine/console.h>
#include <engine/storage.h>
#include <engine/shared/linereader.h>
#include "auto_map.h"
#include "editor.h"
CAutoMapper::CAutoMapper(CEditor *pEditor)
{
m_pEditor = pEditor;
m_FileLoaded = false;
}
void CAutoMapper::Load(const char* pTileName)
{
char aPath[256];
str_format(aPath, sizeof(aPath), "editor/%s.rules", pTileName);
IOHANDLE RulesFile = m_pEditor->Storage()->OpenFile(aPath, IOFLAG_READ, IStorage::TYPE_ALL);
if(!RulesFile)
return;
CLineReader LineReader;
LineReader.Init(RulesFile);
CConfiguration *pCurrentConf = 0;
CIndexRule *pCurrentIndex = 0;
char aBuf[256];
// read each line
while(char *pLine = LineReader.Get())
{
// skip blank/empty lines as well as comments
if(str_length(pLine) > 0 && pLine[0] != '#' && pLine[0] != '\n' && pLine[0] != '\r'
&& pLine[0] != '\t' && pLine[0] != '\v' && pLine[0] != ' ')
{
if(pLine[0]== '[')
{
// new configuration, get the name
pLine++;
CConfiguration NewConf;
int ID = m_lConfigs.add(NewConf);
pCurrentConf = &m_lConfigs[ID];
str_copy(pCurrentConf->m_aName, pLine, str_length(pLine));
}
else
{
if(!str_comp_num(pLine, "Index", 5))
{
// new index
int ID = 0;
char aFlip[128] = "";
sscanf(pLine, "Index %d %127s", &ID, aFlip);
CIndexRule NewIndexRule;
NewIndexRule.m_ID = ID;
NewIndexRule.m_Flag = 0;
NewIndexRule.m_RandomValue = 0;
NewIndexRule.m_BaseTile = false;
if(str_length(aFlip) > 0)
{
if(!str_comp(aFlip, "XFLIP"))
NewIndexRule.m_Flag = TILEFLAG_VFLIP;
else if(!str_comp(aFlip, "YFLIP"))
NewIndexRule.m_Flag = TILEFLAG_HFLIP;
}
// add the index rule object and make it current
int ArrayID = pCurrentConf->m_aIndexRules.add(NewIndexRule);
pCurrentIndex = &pCurrentConf->m_aIndexRules[ArrayID];
}
else if(!str_comp_num(pLine, "BaseTile", 8) && pCurrentIndex)
{
pCurrentIndex->m_BaseTile = true;
}
else if(!str_comp_num(pLine, "Pos", 3) && pCurrentIndex)
{
int x = 0, y = 0;
char aValue[128];
int Value = CPosRule::EMPTY;
bool IndexValue = false;
sscanf(pLine, "Pos %d %d %127s", &x, &y, aValue);
if(!str_comp(aValue, "FULL"))
Value = CPosRule::FULL;
else if(!str_comp_num(aValue, "INDEX", 5))
{
sscanf(pLine, "Pos %*d %*d INDEX %d", &Value);
IndexValue = true;
}
CPosRule NewPosRule = {x, y, Value, IndexValue};
pCurrentIndex->m_aRules.add(NewPosRule);
}
else if(!str_comp_num(pLine, "Random", 6) && pCurrentIndex)
{
sscanf(pLine, "Random %d", &pCurrentIndex->m_RandomValue);
}
}
}
}
io_close(RulesFile);
str_format(aBuf, sizeof(aBuf),"loaded %s", aPath);
m_pEditor->Console()->Print(IConsole::OUTPUT_LEVEL_DEBUG, "editor", aBuf);
m_FileLoaded = true;
}
const char* CAutoMapper::GetConfigName(int Index)
{
if(Index < 0 || Index >= m_lConfigs.size())
return "";
return m_lConfigs[Index].m_aName;
}
void CAutoMapper::Proceed(CLayerTiles *pLayer, int ConfigID)
{
if(!m_FileLoaded || pLayer->m_Readonly || ConfigID < 0 || ConfigID >= m_lConfigs.size())
return;
CConfiguration *pConf = &m_lConfigs[ConfigID];
if(!pConf->m_aIndexRules.size())
return;
int BaseTile = 1;
// find base tile if there is one
for(int i = 0; i < pConf->m_aIndexRules.size(); ++i)
{
if(pConf->m_aIndexRules[i].m_BaseTile)
{
BaseTile = pConf->m_aIndexRules[i].m_ID;
break;
}
}
// auto map !
int MaxIndex = pLayer->m_Width*pLayer->m_Height;
for(int y = 0; y < pLayer->m_Height; y++)
for(int x = 0; x < pLayer->m_Width; x++)
{
CTile *pTile = &(pLayer->m_pTiles[y*pLayer->m_Width+x]);
if(pTile->m_Index == 0)
continue;
pTile->m_Index = BaseTile;
m_pEditor->m_Map.m_Modified = true;
if(y == 0 || y == pLayer->m_Height-1 || x == 0 || x == pLayer->m_Width-1)
continue;
for(int i = 0; i < pConf->m_aIndexRules.size(); ++i)
{
if(pConf->m_aIndexRules[i].m_BaseTile)
continue;
bool RespectRules = true;
for(int j = 0; j < pConf->m_aIndexRules[i].m_aRules.size() && RespectRules; ++j)
{
CPosRule *pRule = &pConf->m_aIndexRules[i].m_aRules[j];
int CheckIndex = (y+pRule->m_Y)*pLayer->m_Width+(x+pRule->m_X);
if(CheckIndex < 0 || CheckIndex >= MaxIndex)
RespectRules = false;
else
{
if(pRule->m_IndexValue)
{
if(pLayer->m_pTiles[CheckIndex].m_Index != pRule->m_Value)
RespectRules = false;
}
else
{
if(pLayer->m_pTiles[CheckIndex].m_Index > 0 && pRule->m_Value == CPosRule::EMPTY)
RespectRules = false;
if(pLayer->m_pTiles[CheckIndex].m_Index == 0 && pRule->m_Value == CPosRule::FULL)
RespectRules = false;
}
}
}
if(RespectRules &&
(pConf->m_aIndexRules[i].m_RandomValue <= 1 || (int)((float)rand() / ((float)RAND_MAX + 1) * pConf->m_aIndexRules[i].m_RandomValue) == 1))
{
pTile->m_Index = pConf->m_aIndexRules[i].m_ID;
pTile->m_Flags = pConf->m_aIndexRules[i].m_Flag;
}
}
}
}
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