|
|
|
|
@ -33,6 +33,30 @@
|
|
|
|
|
|
|
|
|
|
namespace TextureAtlasBuilder
|
|
|
|
|
{
|
|
|
|
|
//! Used for sorting ImageDimensions
|
|
|
|
|
bool operator<(ImageDimension a, ImageDimension b);
|
|
|
|
|
|
|
|
|
|
//! Used to expose the ImageDimension in a pair to AZStd::Sort
|
|
|
|
|
bool operator<(IndexImageDimension a, IndexImageDimension b);
|
|
|
|
|
|
|
|
|
|
//! Returns true if two coordinate sets overlap
|
|
|
|
|
bool Collides(AtlasCoordinates a, AtlasCoordinates b);
|
|
|
|
|
|
|
|
|
|
//! Returns true if item collides with any object in list
|
|
|
|
|
bool Collides(AtlasCoordinates item, AZStd::vector<AtlasCoordinates> list);
|
|
|
|
|
|
|
|
|
|
//! Returns the portion of the second item that overlaps with the first
|
|
|
|
|
AtlasCoordinates GetOverlap(AtlasCoordinates a, AtlasCoordinates b);
|
|
|
|
|
|
|
|
|
|
//! Performs an operation that copies a pixel to the output
|
|
|
|
|
void SetPixels(AZ::u8* dest, const AZ::u8* source, int destBytes);
|
|
|
|
|
|
|
|
|
|
//! Checks if we can insert an image into a slot
|
|
|
|
|
bool CanInsert(AtlasCoordinates slot, ImageDimension image, int padding, int farRight, int farBot);
|
|
|
|
|
|
|
|
|
|
//! Adds the necessary padding to an Atlas Coordinate
|
|
|
|
|
void AddPadding(AtlasCoordinates& slot, int padding, int farRight, int farBot);
|
|
|
|
|
|
|
|
|
|
//! Counts leading zeros
|
|
|
|
|
uint32_t CountLeadingZeros32(uint32_t x)
|
|
|
|
|
{
|
|
|
|
|
@ -1411,7 +1435,7 @@ namespace TextureAtlasBuilder
|
|
|
|
|
|
|
|
|
|
// Defines priority so that sorting can be meaningful. It may seem odd that larger items are "less than" smaller
|
|
|
|
|
// ones, but as this is a deduction of priority, not value, it is correct.
|
|
|
|
|
static bool operator<(ImageDimension a, ImageDimension b)
|
|
|
|
|
bool operator<(ImageDimension a, ImageDimension b)
|
|
|
|
|
{
|
|
|
|
|
// Prioritize first by longest size
|
|
|
|
|
if ((a.m_width > a.m_height ? a.m_width : a.m_height) != (b.m_width > b.m_height ? b.m_width : b.m_height))
|
|
|
|
|
@ -1431,7 +1455,7 @@ namespace TextureAtlasBuilder
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Exposes priority logic to the sorting algorithm
|
|
|
|
|
static bool operator<(IndexImageDimension a, IndexImageDimension b) { return a.second < b.second; }
|
|
|
|
|
bool operator<(IndexImageDimension a, IndexImageDimension b) { return a.second < b.second; }
|
|
|
|
|
|
|
|
|
|
// Tests if two coordinate sets intersect
|
|
|
|
|
bool Collides(AtlasCoordinates a, AtlasCoordinates b)
|
|
|
|
|
|
Esteban Papp
4 years ago