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#import "SPYBrigadeViewLayout.h" |
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#import "SPYBrigadeViewController.h" |
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#import "SPYGlobalConstants.h" |
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#import <QuartzCore/QuartzCore.h> |
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@interface SPYBrigadeViewLayout () |
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@property (strong, nonatomic) NSMutableArray* arrayOfAttributes; |
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@property int maxColumnStack; |
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@property int minColumnStack; |
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@property int unitPieceHeight; |
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@property int unitPieceWidth; |
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@property int extraHeight; |
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@property int extraWidth; |
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@property float halfUnitPieceHeight; |
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@property float halfUnitPieceWidth; |
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@property float columnHeightOffset; |
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@property float aisleWidthOffset; |
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@property int maxColumnCount; |
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@property int zIndexDirection; |
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@property float transformScaleFactor; |
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@end |
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@implementation SPYBrigadeViewLayout |
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-(id)init{ |
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self.unitPieceHeight = 10; //flat army original 19 (best 12) ---- tilted army 29 (best 12) |
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self.unitPieceWidth = 39; //flat army original 42 (best 33) --- tilted army 48 (best 39) |
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self.extraHeight = SPYArmyUnitHeight - self.unitPieceHeight; //difference between actual army height and value for unitPieceHeight |
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self.extraWidth = SPYArmyUnitWidth - self.unitPieceWidth; //difference between actual army width and value for unitPieceWidth |
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self.columnHeightOffset = 4.0; |
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self.aisleWidthOffset = 0.0; |
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self.zIndexDirection = 1; |
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self.maxColumnCount = 3; |
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self.minColumnStack = 4; |
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self.halfUnitPieceHeight = self.unitPieceHeight / 2.0; |
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self.halfUnitPieceWidth = self.unitPieceWidth / 2.0; |
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self.transformScaleFactor = 1.0; |
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self.gamePieceScale = 1.0; |
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return [super init]; |
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} |
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-(void)reAssesMaxColumnStack{ |
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//_________********* MaxColumnHeight ********* |
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//this test and equation will limit the size to maxColumnCount |
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if (armies > (maxColumnStack * maxColumnCount)){ |
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int additionalSize = ((armies - (maxColumnStack * maxColumnCount)) + (maxColumnCount - 1)) / maxColumnCount ; |
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maxColumnStack = maxColumnStack + additionalSize; |
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} |
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//__________********* SCALING *********** |
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//evaluate the scale factor, reduce based on number of armies |
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transformScaleFactor = 1.0; |
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float changeToTransformScaleFactor = 1.0; |
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int i; |
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//subract from armies to indicate when shrinkage begins |
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for (i = 0; i < (armies - 8); i++){ |
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changeToTransformScaleFactor = changeToTransformScaleFactor * 0.5; |
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} |
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//reduce the effect of the scaling. 0.8 means 80% is the smallest resulting size |
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changeToTransformScaleFactor = changeToTransformScaleFactor + 0.8; |
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if (changeToTransformScaleFactor > 1.0) changeToTransformScaleFactor = 1.0; |
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transformScaleFactor = transformScaleFactor * changeToTransformScaleFactor; |
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//apply scale change to the exposed property |
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self.gamePieceScale = transformScaleFactor; |
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} |
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-(void)prepareLayout{ |
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if (!maxColumnStack){ |
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self.maxColumnStack = self.minColumnStack; |
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} |
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//instantiate the array ivar |
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if ([self.arrayOfAttributes count] < 1){ |
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self.arrayOfAttributes = [NSMutableArray arrayWithCapacity:1]; |
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} else { |
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//empty the ivar array |
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[self.arrayOfAttributes removeAllObjects]; |
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} |
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//change column stack size if necessary |
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[self reAssesMaxColumnStack]; |
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int i; |
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for (i = 0; i < self.armies; i++){ |
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//__________***********OMG!!!! SECTION 0, NOT SECTION 1 !!!!!!!******________ |
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//generate the index path |
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NSIndexPath* thisIndexPath = [NSIndexPath indexPathForRow:i inSection:0]; |
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//get each attribute individually with the layout's other method |
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UICollectionViewLayoutAttributes* thisAttributes = [self layoutAttributesForItemAtIndexPath:thisIndexPath]; |
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if (thisAttributes){ |
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[self.arrayOfAttributes addObject:thisAttributes]; |
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} |
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} |
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} |
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- (CGSize)collectionViewContentSize{ |
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if (!maxColumnStack){ |
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self.maxColumnStack = self.minColumnStack; |
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} |
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//change column stack size if necessary |
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[self reAssesMaxColumnStack]; |
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int myHeight = unitPieceHeight * armies; |
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// NSLog(@"myHeight initially is: %u", myHeight); |
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// NSLog(@"myHeight test against: %u", (maxColumnStack * unitPieceHeight)); |
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if (myHeight > (maxColumnStack * unitPieceHeight)) { |
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myHeight = maxColumnStack * unitPieceHeight; |
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}else{ |
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//_______uncomment to keep constant height no matter how few armies |
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// myHeight = maxColumnStack * unitPieceHeight; |
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} |
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//calculate the number of columns |
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int myColumns = (armies + (maxColumnStack - 1)) / maxColumnStack; |
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//add difference in height between cell and actual army view, plus one because otherwise the bottom line gets trimmed |
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myHeight = myHeight + extraHeight + 1; |
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//add a little extra height to accommodate the columnheightoffset total from number of columns |
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int combinedHeightOffset = (myColumns - 1) * columnHeightOffset; |
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myHeight = myHeight + combinedHeightOffset; |
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//calculate the width by multiplying columns by army width |
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int myWidth = myColumns * unitPieceWidth; |
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//add difference in width between cell and actual army view |
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myWidth = myWidth + extraWidth; |
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//make a CGSize from the width and height |
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return CGSizeMake((float) myWidth, (float)myHeight); |
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} |
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- (NSArray *)layoutAttributesForElementsInRect:(CGRect)rect{ |
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//apply to all objects, disregard the rect as nothing is left out |
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NSArray* thisArray = [NSArray arrayWithArray:self.arrayOfAttributes]; |
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if ([thisArray count] > 0) { |
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return thisArray; |
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} else { |
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return nil; |
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} |
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} |
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- (UICollectionViewLayoutAttributes *)layoutAttributesForItemAtIndexPath:(NSIndexPath *)indexPath { |
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//create a layout attributes, then set its attributes |
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UICollectionViewLayoutAttributes* thisLayoutAttributes = [UICollectionViewLayoutAttributes layoutAttributesForCellWithIndexPath:indexPath]; |
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//identify where in the order this item exists |
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int myRow = (int)indexPath.row; |
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//calculate the brigade's total number of columns |
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int totalNumberOfColumns = (self.armies + maxColumnStack - 1) / maxColumnStack; |
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//calculate the column location |
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int myColumn = myRow / maxColumnStack; |
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//calculate the aisle location |
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int myAisle = myRow % maxColumnStack; |
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//invert the aisle location from top > bottom to bottom > top |
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myAisle = (maxColumnStack - 1) - myAisle; |
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//********** |
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//set the zindex based on column then aisle |
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int thisZIndex = -100 * (myColumn + 1); |
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thisZIndex = thisZIndex - myAisle; |
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//reverse the zindex for navies |
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thisZIndex = thisZIndex * self.zIndexDirection; |
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//set the attribute's zindex. |
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thisLayoutAttributes.zIndex = thisZIndex; |
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//********** |
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//set attributes size |
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thisLayoutAttributes.size = CGSizeMake((float)unitPieceWidth, (float)unitPieceHeight); |
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//define center.x value for the cell |
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float placedInColumn = myColumn * unitPieceWidth + halfUnitPieceWidth; |
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//define center.y value for the cell |
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float placedInAisle = myAisle * unitPieceHeight + halfUnitPieceHeight; |
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//modify if the count is less than the maxcolumnstack, reduce |
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int changeToAisle = 0; |
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if (self.armies < maxColumnStack){ |
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changeToAisle = maxColumnStack - armies; |
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placedInAisle = placedInAisle - (changeToAisle * unitPieceHeight); |
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} |
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//add the columnHeightOffset to the aisle location based on the column placement |
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//for both armies and navies |
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placedInAisle = placedInAisle + ((totalNumberOfColumns - myColumn) * columnHeightOffset); |
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//add the aisleWidthOffset to the column location based on the aisle placement |
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//for navies |
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placedInColumn = placedInColumn + (myRow * aisleWidthOffset); |
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//set the attribute center and size |
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thisLayoutAttributes.center = CGPointMake(placedInColumn, placedInAisle); |
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return thisLayoutAttributes; |
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} |
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- (BOOL)shouldInvalidateLayoutForBoundsChange:(CGRect)newBounds{ |
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return NO; |
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} |
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- (void)prepareForCollectionViewUpdates:(NSArray *)updateItems{ |
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[super prepareForCollectionViewUpdates:updateItems]; |
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} |
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@end |
/SPYBrigadeViewLayout.h
Created