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#pragma once
#include "Configuration/UnityConfigure.h"
#if ENABLE_SPRITES
#include "Runtime/BaseClasses/NamedObject.h"
#include "Runtime/Math/Rect.h"
#include "Runtime/Serialize/TransferFunctions/SerializeTransfer.h"
#include "Runtime/Graphics/Texture2D.h"
#include "Runtime/Graphics/Polygon2D.h"
#include "Runtime/Shaders/Material.h"
#include "Runtime/Camera/IntermediateUsers.h"
const float kSpriteDefaultDetail = -1.0f; // if less than zero, automatic lod evaluation will performed
const UInt8 kSpriteDefaultAlphaTolerance = 0;
const UInt32 kSpriteDefaultExtrude = 1;
const UInt8 kSpriteMaxAlphaTolerance = 254;
class AABB;
struct SpriteVertex
{
DECLARE_SERIALIZE_NO_PPTR (SpriteVertex)
Vector3f pos;
Vector2f uv;
};
enum SpritePackingMode
{
kSPMTight = 0,
kSPMRectangle
};
enum SpritePackingRotation
{
kSPRNone = 0,
// Reserved
kSPRAny = 15
};
enum SpriteMeshType
{
kSpriteMeshTypeFullRect = 0,
kSpriteMeshTypeTight = 1
};
struct SpriteRenderData
{
DECLARE_SERIALIZE (SpriteRenderData)
SpriteRenderData();
PPtr<Texture2D> texture;
// Mesh is scaled according to kTexturePixelsPerUnit
std::vector<SpriteVertex> vertices;
std::vector<UInt16> indices;
Rectf textureRect; // In pixels (texture space). Invalid if packingMode is Tight.
Vector2f textureRectOffset; // In pixels (texture space). Invalid if packingMode is Tight.
union
{
struct
{
UInt32 packed : 1; // bool
UInt32 packingMode : 1; // SpritePackingMode
UInt32 packingRotation : 4; // SpritePackingRotation
UInt32 reserved : 26;
} settings;
UInt32 settingsRaw;
};
void GenerateQuadMesh(const Rectf& rect, const Vector2f& rectOffset, float pixelsToUnits);
void GenerateFullMesh(const Rectf& rect, const Vector2f& rectOffset, float pixelsToUnits, unsigned int extrude, Rectf* meshRect);
};
class Sprite : public NamedObject
{
public:
REGISTER_DERIVED_CLASS(Sprite, NamedObject)
DECLARE_OBJECT_SERIALIZE(Sprite)
Sprite(MemLabelId label, ObjectCreationMode mode);
// ~Sprite(); declared-by-macro
void Initialize(Texture2D* texture, const Rectf& rect, const Vector2f& pivot, float pixelsToUnits, unsigned int extrude, SpriteMeshType meshType);
virtual void AwakeFromLoad(AwakeFromLoadMode mode);
// detail [0; 1] where 0 is simplified and 1 is max quality.
void GenerateOutline(float detail, unsigned char alphaTolerance, bool holeDetection, std::vector<dynamic_array<Vector2f> >& outVertices, int extrudeOverride = -1);
// Common data
Vector2f GetSize() const { return m_Rect.GetSize(); }
Vector2f GetSizeInUnits() const { return m_Rect.GetSize()/m_PixelsToUnits; }
const Rectf& GetRect() const { return m_Rect; }
const Vector2f& GetOffset() const { return m_Offset; }
float GetPixelsToUnits() const { return m_PixelsToUnits; }
#if ENABLE_SPRITECOLLIDER
Polygon2D& GetPoly() { return m_Poly; }
#endif
// Rendering data
// Note: we want live preview of atlases when in editor, but only for rendering in play mode.
// GetRenderData(false) will always return the source texture render data.
// GetRenderData(true) will return the atlas texture render data if it is available, otherwise fall back to source texture render data.
// GetRenderDataForPlayMode() is a convenience function which tries to get atlas texture render data when world is playing.
const SpriteRenderData& GetRenderData(bool getEditorOnlyAtlasRenderDataIfPacked) const;
const SpriteRenderData& GetRenderDataForPlayMode() const;
bool GetIsPacked() const;
AABB GetBounds(Vector2f extraOffset = Vector2f(0, 0)) const;
#if UNITY_EDITOR
void SetPackingTag (const std::string& packingTag) { m_PackingTag = packingTag; }
std::string GetPackingTag() const { return m_PackingTag; }
std::string GetActiveAtlasName() const { return m_AtlasReady ? m_AtlasName : ""; }
Texture2D* GetActiveAtlasTexture() const { return m_AtlasReady ? m_AtlasRD.texture : NULL; }
// Changing texture import settings will rebuild Sprites and not use atlases until the next atlas rebuild, which will trigger RefreshAtlasRD or ClearAtlasRD.
void RefreshAtlasRD ();
void ClearAtlasRD ();
static void OnEnterPlaymode ();
#endif
#if ENABLE_MULTITHREADED_CODE
void SetCurrentCPUFence( UInt32 fence ) { m_CurrentCPUFence = fence; m_WaitOnCPUFence = true; }
#endif
void WaitOnRenderThreadUse();
static Vector2f PivotToOffset(const Rectf& rect, const Vector2f& pivot); // [0;1] to rect space
void AddIntermediateUser( ListNode<IntermediateRenderer>& node ) { m_IntermediateUsers.AddUser(node); }
private:
// Common data
Rectf m_Rect; // In pixels (originating texture, full rect definition)
Vector2f m_Offset; // In pixels (from center of final rect, defines pivot point based on alignment)
// Rendering data
SpriteRenderData m_RD;
float m_PixelsToUnits;
unsigned int m_Extrude;
#if UNITY_EDITOR
int m_AtlasReady;
SpriteRenderData m_AtlasRD;
UnityStr m_AtlasName;
UnityStr m_PackingTag;
#endif
#if ENABLE_SPRITECOLLIDER
Polygon2D m_Poly; // Collider
#endif
#if ENABLE_MULTITHREADED_CODE
UInt32 m_CurrentCPUFence;
bool m_WaitOnCPUFence;
#endif
IntermediateUsers m_IntermediateUsers; // IntermediateRenderer users of this sprite
};
template<class TransferFunction>
void SpriteVertex::Transfer(TransferFunction& transfer)
{
transfer.Transfer(pos, "pos");
transfer.Transfer(uv, "uv");
}
template<class TransferFunction>
void SpriteRenderData::Transfer(TransferFunction& transfer)
{
TRANSFER(texture);
TRANSFER(vertices);
TRANSFER(indices);
transfer.Align();
TRANSFER(textureRect);
TRANSFER(textureRectOffset);
TRANSFER(settingsRaw);
}
#endif //ENABLE_SPRITES
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