public void SetFrom(TextureGrid <T> instanceToSetFrom)
{
mBaseTexture = instanceToSetFrom.mBaseTexture;
mTextures = new List <List <T> >();
for (int i = 0; i < instanceToSetFrom.mTextures.Count; i++)
{
mTextures.Add(new List <T>(instanceToSetFrom.mTextures[i]));
}
mFirstPaintedX = new List <float>(instanceToSetFrom.mFirstPaintedX);
mLastPaintedX = new List <float>(instanceToSetFrom.mLastPaintedX);
mFirstPaintedY = instanceToSetFrom.mFirstPaintedY;
mLastPaintedY = instanceToSetFrom.mLastPaintedY;
mXOffset = instanceToSetFrom.mXOffset;
mYOffset = instanceToSetFrom.mYOffset;
mGridSpacingX = instanceToSetFrom.mGridSpacingX;
mGridSpacingY = instanceToSetFrom.mGridSpacingY;
mSpaceHalfX = instanceToSetFrom.mSpaceHalfX;
mSpaceHalfY = instanceToSetFrom.mSpaceHalfY;
mSpaceFourthX = instanceToSetFrom.mSpaceFourthX;
mSpaceFourthY = instanceToSetFrom.mSpaceFourthY;
}
public TextureGrid <T> Clone()
{
TextureGrid <T> gridToReturn = (TextureGrid <T>)(MemberwiseClone());
gridToReturn.mTextures = new List <List <T> >();
foreach (List <T> array in mTextures)
{
List <T> ta = new List <T>();
gridToReturn.mTextures.Add(ta);
foreach (T texture in array)
{
ta.Add(texture);
}
}
gridToReturn.mFirstPaintedX = new List <float>();
foreach (float f in mFirstPaintedX)
{
gridToReturn.mFirstPaintedX.Add(f);
}
gridToReturn.mLastPaintedX = new List <float>();
foreach (float f in mLastPaintedX)
{
gridToReturn.mLastPaintedX.Add(f);
}
return(gridToReturn);
}
public List <TextureLocation <T> > GetTextureLocationDifferences(TextureGrid <T> originalGrid)
{
List <TextureLocation <T> > textureLocationArray = new List <TextureLocation <T> >();
// These are empty grids, so there's no changes.
if (this.FirstPaintedX.Count == 0 && originalGrid.FirstPaintedX.Count == 0)
{
return(textureLocationArray);
}
int thisYOn = 0;
int originalYOn = 0;
#region Get minY which is the smallest painted Y
float minY = (float)System.Math.Min(mFirstPaintedY, originalGrid.mFirstPaintedY);
if (originalGrid.mTextures.Count == 0)
{
minY = mFirstPaintedY;
}
else if (this.mTextures.Count == 0)
{
minY = originalGrid.mFirstPaintedY;
}
if (float.IsNaN(originalGrid.mFirstPaintedY))
{
minY = mFirstPaintedY;
}
#endregion
#region Get maxY which is the largest painted Y
float maxY = (float)System.Math.Max(mLastPaintedY, originalGrid.mLastPaintedY);
if (originalGrid.mTextures.Count == 0)
{
maxY = mLastPaintedY;
}
else if (this.mTextures.Count == 0)
{
maxY = originalGrid.mLastPaintedY;
}
if (float.IsNaN(originalGrid.mLastPaintedY))
{
maxY = mLastPaintedY;
}
#endregion
if (originalGrid.mTextures.Count == 0)
{
originalYOn = 0;
thisYOn = 0;
}
else if (originalGrid.mFirstPaintedY - mFirstPaintedY > mSpaceHalfY)
{
thisYOn = 0;
originalYOn = (int)System.Math.Round((mFirstPaintedY - originalGrid.mFirstPaintedY) / mGridSpacingY);
}
else if (mFirstPaintedY - originalGrid.mFirstPaintedY > mSpaceHalfY)
{// if the this instance begins below originalGrid
originalYOn = 0;
thisYOn = (int)System.Math.Round((mFirstPaintedY - originalGrid.mFirstPaintedY) / mGridSpacingY);
}
// float minX = 0;
float maxX = 0;
T originalTexture = default(T);
for (float y = minY; y - mSpaceFourthY < maxY; y += mGridSpacingY)
{
if (originalGrid.mTextures.Count == 0 || originalYOn < 0)
{// if the this instance begins below originalGrid
for (float x = this.mFirstPaintedX[thisYOn]; x - mSpaceFourthX < this.mLastPaintedX[thisYOn]; x += mGridSpacingX)
{
textureLocationArray.Add(new TextureLocation <T>(originalGrid.mBaseTexture, x, y));
}
}
else if (thisYOn < 0)
{// the original grid is below this grid
for (float x = originalGrid.mFirstPaintedX[originalYOn]; x - mSpaceFourthX < originalGrid.mLastPaintedX[originalYOn]; x += mGridSpacingX)
{
textureLocationArray.Add(new TextureLocation <T>(this.mBaseTexture, x, y));
}
}
else
{ // y is above the bottom border of both grids
if (thisYOn > this.mTextures.Count - 1)
{ // y is above the this instance top
for (float x = originalGrid.mFirstPaintedX[originalYOn]; x - mSpaceFourthX < originalGrid.mLastPaintedX[originalYOn]; x += mGridSpacingX)
{
textureLocationArray.Add(new TextureLocation <T>(this.mBaseTexture, x, y));
}
}
else if (originalYOn > originalGrid.mTextures.Count - 1)
{ // Y is above the originalGrid's top
for (float x = this.mFirstPaintedX[thisYOn]; x - mSpaceFourthX < this.mLastPaintedX[thisYOn]; x += mGridSpacingX)
{
textureLocationArray.Add(new TextureLocation <T>(originalGrid.mBaseTexture, x, y));
}
}
else
{ // y is between the top and bottom of both grids
maxX = System.Math.Max(this.mLastPaintedX[thisYOn], originalGrid.mLastPaintedX[originalYOn]);
for (float x = System.Math.Min(this.mFirstPaintedX[thisYOn], originalGrid.mFirstPaintedX[originalYOn]); x - mSpaceFourthX < maxX; x += mGridSpacingX)
{
originalTexture = originalGrid.GetTextureAt(x, y);
T newTexture = this.GetTextureAt(x, y);
bool areBothNull = newTexture == null && originalTexture == null;
if (!areBothNull)
{
if ((originalTexture == null && newTexture != null) ||
originalTexture.Equals(this.GetTextureAt(x, y)) == false)
{
textureLocationArray.Add(new TextureLocation <T>(originalTexture, x, y));
}
}
}
}
}
// moving up one row, so increment the y value
originalYOn++;
thisYOn++;
}
return(textureLocationArray);
}