void CCEtoODBView::recallView(CNamedView& namedView)
{
ScaleNum = namedView.getScaleNum();
ScaleDenom = namedView.getScaleDenom();
UpdateScale();
SetXPos(namedView.getScrollX());
SetYPos(namedView.getScrollY());
GetDocument()->setLayerViewData(namedView);
GetDocument()->UpdateAllViews(NULL);
}
void nuiScrollView::OnSmoothScrolling(const nuiEvent& rEvent)
{
if (!mTimerOn)
return;
if (!mLeftClick)
{
float XOffset = mpHorizontal->GetRange().GetValue();
float YOffset = mpVertical->GetRange().GetValue();
float xdiff = XOffset - mXOffset;
float ydiff = YOffset - mYOffset;
if (xdiff > 2 || xdiff < -2)
mXOffset += xdiff * NUI_SMOOTH_SCROLL_RATIO;
else
mXOffset = XOffset;
if (ydiff > 2 || ydiff < -2)
mYOffset += ydiff * NUI_SMOOTH_SCROLL_RATIO;
else
mYOffset = YOffset;
if (mXOffset == XOffset && mYOffset == YOffset)
{
mTimerOn = false;
}
if (mSpeedX != 0)
{
SetXPos(GetXPos() + mSpeedX);
//mXOffset = GetXPos();
mSpeedX *= 0.7;
}
if (mSpeedY != 0)
{
SetYPos(GetYPos() + mSpeedY);
//mYOffset = GetYPos();
mSpeedY *= 0.7;
}
}
UpdateLayout();
OffsetsChanged();
}
bool CTerrain::LoadHeightMapFromFile(std::string filename)
{
std::string line;
std::ifstream inFile;
if (mpHeightMap)
{
ReleaseHeightMap();
}
// Open the file.
inFile.open(filename);
// Check we successfully opened.
if (!inFile.is_open())
{
logger->GetInstance().WriteLine("Failed to open the map file with name: " + filename);
return false;
}
int height = 0;
int width = 0;
// Calculate the array size for now.
while (std::getline(inFile, line))
{
// Reset the width count.
width = 0;
double value;
std::stringstream lineStream(line);
// Go through this line.
while (lineStream >> value)
{
// One more on the width!
width++;
}
// Increment height.
height++;
}
// Set width and height.
mWidth = width;
mHeight = height;
inFile.close();
inFile.open(filename);
if (!inFile.is_open())
{
logger->GetInstance().WriteLine("Failed to open " + filename + ", but managed to open it the first time.");
return false;
}
// Create height map.
if (!mpHeightMap)
{
// Allocate memory to this array.
mpHeightMap = new double*[mHeight];
}
// Iterate through all the rows.
for (int x = 0; x < mHeight; x++)
{
// Allocate space for the columns.
mpHeightMap[x] = new double[mWidth];
}
// Store the lowest point to be the first point.
mLowestPoint = static_cast<float>(1000000.0f);
// Store the highest point to be the first point.
mHighestPoint = static_cast<float>(0.0f);
// Create a heightmap.
for (int y = 0; y < mHeight; y++)
{
// Get the line of this file.
std::getline(inFile, line);
std::stringstream lineStream(line);
double value;
// Iterate through the width.
for (int x = 0; x < mWidth; x++)
{
lineStream >> value;
mpHeightMap[y][x] = value;
/// Perform comparison.
// If this point is lower than the one we have on record.
if (mpHeightMap[y][x] < mLowestPoint)
{
// Store this as the lowest point.
mLowestPoint = static_cast<float>(mpHeightMap[y][x]);
}
// If this point is higher than the highest point we have on record.
else if (mpHeightMap[y][x] > mHighestPoint)
{
// Store this as the highest point.
mHighestPoint = static_cast<float>(mpHeightMap[y][x]);
}
}
}
// Adjust the Y position of the map model to be equal to the lowest point.
//SetYPos(0.0f - mLowestPoint);
for (int y = 0; y < mHeight; y++)
{
// Iterate through the width.
for (int x = 0; x < mWidth; x++)
{
mpHeightMap[y][x] -= mLowestPoint;
}
}
// Set the X position to be half of the width.
SetXPos(0 - (static_cast<float>(mWidth) / 2.0f));
mHeightMapLoaded = true;
return true;
}
/* LoadHeightMap - Loads in a height map (usually from a perlin noise function) and stores ptrs to the data.
* @PARAM double ** heightMap - A dynamically allocated 2D array of type doubles, it must contain all the data to be used for the heightmap already.
* @WARNING: Must not delete the 2D array until after this class has been destroyed.
* @WARNING: Must set height and width before calling this function.
*/
void CTerrain::LoadHeightMap(double ** heightMap)
{
// Copy the pointers to the 2D array and store them in memory.
//mpHeightMap = heightMap;
if (mpHeightMap == nullptr)
{
mpHeightMap = new double*[mHeight];
for (int y = 0; y < mHeight; y++)
{
// Allocate space for the columns.
mpHeightMap[y] = new double[mWidth];
for (int x = 0; x < mWidth; x++)
{
mpHeightMap[y][x] = heightMap[y][x];
}
}
}
// Store the lowest point to be the first point.
mLowestPoint = static_cast<float>(mpHeightMap[0][0]);
// Store the highest point to be the first point.
mHighestPoint = static_cast<float>(mpHeightMap[0][0]);
// Outpout a log to let the user know where we're up to in the function.
logger->GetInstance().WriteLine("Copied height map over to terrain, time to find the heights and lowest points.");
// Iterate through the height.
for (int y = 0; y < mHeight; y++)
{
// Iterate through the width.
for (int x = 0; x < mWidth; x++)
{
/// Perform comparison.
// If this point is lower than the one we have on record.
if (mpHeightMap[y][x] < mLowestPoint)
{
// Store this as the lowest point.
mLowestPoint = static_cast<float>(mpHeightMap[y][x]);
}
// If this point is higher than the highest point we have on record.
else if (mpHeightMap[y][x] > mHighestPoint)
{
// Store this as the highest point.
mHighestPoint = static_cast<float>(mpHeightMap[y][x]);
}
}
}
// Iterate through the height.
for (int y = 0; y < mHeight; y++)
{
// Iterate through the width.
for (int x = 0; x < mWidth; x++)
{
mpHeightMap[y][x] -= mLowestPoint;
}
}
// TODO: Put this back in.
// Adjust the Y position of the map model to be equal to the lowest point.
//SetYPos(0.0f - mLowestPoint);
// Set the X position to be half of the width.
SetXPos(0 - (static_cast<float>(mWidth) / 2.0f));
// We've loaded a map, set the flag!
mHeightMapLoaded = true;
}