void CTerrainData::setCellAttribute(int nCellX, int nCellY, unsigned char uAtt)
{
if (isCellIn(nCellX,nCellY))
{
getCell(nCellX,nCellY)->uAttribute = uAtt;
}
}
bool CSceneData::pickCell(int nCellX, int nCellY, const Vec3D& vRayPos, const Vec3D& vRayDir, Vec3D* pPos)const
{
if (isCellIn(nCellX,nCellY))
{
const TerrainCell* cell = getCell(nCellX,nCellY);
Vec3D v0((float)(nCellX), cell->fHeight, (float)(nCellY));
Vec3D v1((float)(nCellX), (cell+m_nWidth+1)->fHeight, (float)(nCellY+1));
Vec3D v2((float)(nCellX+1), (cell+m_nWidth+1+1)->fHeight, (float)(nCellY+1));
Vec3D v3((float)(nCellX+1), (cell+1)->fHeight, (float)(nCellY));
Vec3D vOut;
if(IntersectTri(v1,v2,v0,vRayPos,vRayDir,vOut))
{
if (pPos)
{
*pPos = vOut;
}
return true;
}
else if (IntersectTri(v3,v0,v2,vRayPos,vRayDir,vOut))
{
if (pPos)
{
*pPos = vOut;
}
return true;
}
}
return false;
}
void CSceneData::setCellAttribute(int x, int y, unsigned char uAtt)
{
if (isCellIn(x,y))
{
getCell(x,y)->uAttribute = uAtt;
}
}
unsigned char CSceneData::getCellAttribute(int x, int y)const
{
if (isCellIn(x,y))
{
return getCell(x,y)->uAttribute;
}
return 0;
}
unsigned char CTerrainData::getCellAttribute(int nCellX, int nCellY)const
{
if (isCellIn(nCellX,nCellY))
{
return getCell(nCellX,nCellY)->uAttribute;
}
return 0;
}
void CSceneData::setCellTileID(int x, int y, unsigned char uTileID, size_t layer)
{
if (isCellIn(x,y))
{
if (2>layer)
{
getCell(x,y)->uTileID[layer] = uTileID;
}
}
}
void CTerrainData::SetCellTileID(int nCellX, int nCellY, unsigned char uTileID, size_t layer)
{
if (isCellIn(nCellX,nCellY))
{
if (2>layer)
{
getCell(nCellX,nCellY)->uTileID[layer] = uTileID;
}
}
}
unsigned char CSceneData::getCellTileID(int x, int y, size_t layer)const
{
if (isCellIn(x,y))
{
if (2>layer)
{
return getCell(x,y)->uTileID[layer];
}
}
return 0;
}
unsigned char CTerrainData::GetCellTileID(int nCellX, int nCellY, size_t layer)const
{
if (isCellIn(nCellX,nCellY))
{
if (2>layer)
{
return getCell(nCellX,nCellY)->uTileID[layer];
}
}
return 0;
}
bool CSceneData::checkHash(int x,int y)
{
if (!isCellIn(x,y))
{
return false;
}
TerrainCell* pCell = getCell(x,y);
if (pCell->uAttribute&TERRAIN_ATT_TYPE_BALK)
{
return false;
}
if (pCell->SearchedFlag == m_SearchedFlag)// 可检查节点是否访问过
{
return false;
}
return true;
}
void CTerrainData::AddNode(int x,int y,int tx,int ty,unsigned char dir,int level,int father)
{
if (!isCellIn(x,y))
{
return;
}
//if (((x!=tx) || (y!=ty))/* && (dir!=DIR_INVALID)*/)
{
if (getCell(x,y)->uAttribute&TERRAIN_ATT_TYPE_BALK)
{
return;
}
if (m_Searched[getVertexIndex(x,y)])// 可检查节点是否访问过
{
return;
}
}
m_nNodeCount++;
int p = m_nNodeCount;
int f = level + (7*abs(x-tx)+7*abs(y-ty)+3*abs(abs(x-tx)-abs(y-ty))) / 2;//启发函数定义
while( p > 1 )
{
int q = p >> 1;
if( f < node[q].f )
node[p] = node[q];
else
break;
p = q;
}
node[p].x = x;
node[p].y = y;
node[p].f = f;
node[p].level = level;
node[p].n = m_nAllNodeCount;
assert(m_nAllNodeCount<MAX_ALLNODE);
m_allnode[m_nAllNodeCount].dir = dir;
m_allnode[m_nAllNodeCount].father = father;
m_nAllNodeCount++;
m_Searched[getVertexIndex(x,y)]=true;
}