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update sdl to https://github.com/libsdl-org/SDL 22March 2022

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This commit is contained in:
AzaezelX 2022-03-23 01:43:08 -05:00
parent ee4253c982
commit 2614274639
1225 changed files with 148950 additions and 51674 deletions
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234
Engine/lib/sdl/include/SDL_rect.h
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@ -1,6 +1,6 @@
/*
Simple DirectMedia Layer
Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org>
Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
@ -40,10 +40,10 @@ extern "C" {
#endif
/**
* \brief The structure that defines a point (integer)
* The structure that defines a point (integer)
*
* \sa SDL_EnclosePoints
* \sa SDL_PointInRect
* \sa SDL_EnclosePoints
* \sa SDL_PointInRect
*/
typedef struct SDL_Point
{
@ -52,10 +52,15 @@ typedef struct SDL_Point
} SDL_Point;
/**
* \brief The structure that defines a point (floating point)
* The structure that defines a point (floating point)
*
* \sa SDL_EnclosePoints
* \sa SDL_PointInRect
* \sa SDL_FRectEmpty
* \sa SDL_FRectEquals
* \sa SDL_HasIntersectionF
* \sa SDL_IntersectFRect
* \sa SDL_UnionFRect
* \sa SDL_EncloseFPoints
* \sa SDL_PointInFRect
*/
typedef struct SDL_FPoint
{
@ -65,14 +70,14 @@ typedef struct SDL_FPoint
/**
* \brief A rectangle, with the origin at the upper left (integer).
* A rectangle, with the origin at the upper left (integer).
*
* \sa SDL_RectEmpty
* \sa SDL_RectEquals
* \sa SDL_HasIntersection
* \sa SDL_IntersectRect
* \sa SDL_UnionRect
* \sa SDL_EnclosePoints
* \sa SDL_RectEmpty
* \sa SDL_RectEquals
* \sa SDL_HasIntersection
* \sa SDL_IntersectRect
* \sa SDL_UnionRect
* \sa SDL_EnclosePoints
*/
typedef struct SDL_Rect
{
@ -82,7 +87,7 @@ typedef struct SDL_Rect
/**
* \brief A rectangle, with the origin at the upper left (floating point).
* A rectangle, with the origin at the upper left (floating point).
*/
typedef struct SDL_FRect
{
@ -94,7 +99,7 @@ typedef struct SDL_FRect
/**
* \brief Returns true if point resides inside a rectangle.
* Returns true if point resides inside a rectangle.
*/
SDL_FORCE_INLINE SDL_bool SDL_PointInRect(const SDL_Point *p, const SDL_Rect *r)
{
@ -103,7 +108,7 @@ SDL_FORCE_INLINE SDL_bool SDL_PointInRect(const SDL_Point *p, const SDL_Rect *r)
}
/**
* \brief Returns true if the rectangle has no area.
* Returns true if the rectangle has no area.
*/
SDL_FORCE_INLINE SDL_bool SDL_RectEmpty(const SDL_Rect *r)
{
@ -111,7 +116,7 @@ SDL_FORCE_INLINE SDL_bool SDL_RectEmpty(const SDL_Rect *r)
}
/**
* \brief Returns true if the two rectangles are equal.
* Returns true if the two rectangles are equal.
*/
SDL_FORCE_INLINE SDL_bool SDL_RectEquals(const SDL_Rect *a, const SDL_Rect *b)
{
@ -120,33 +125,70 @@ SDL_FORCE_INLINE SDL_bool SDL_RectEquals(const SDL_Rect *a, const SDL_Rect *b)
}
/**
* \brief Determine whether two rectangles intersect.
* Determine whether two rectangles intersect.
*
* \return SDL_TRUE if there is an intersection, SDL_FALSE otherwise.
* If either pointer is NULL the function will return SDL_FALSE.
*
* \param A an SDL_Rect structure representing the first rectangle
* \param B an SDL_Rect structure representing the second rectangle
* \returns SDL_TRUE if there is an intersection, SDL_FALSE otherwise.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_IntersectRect
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasIntersection(const SDL_Rect * A,
const SDL_Rect * B);
/**
* \brief Calculate the intersection of two rectangles.
* Calculate the intersection of two rectangles.
*
* \return SDL_TRUE if there is an intersection, SDL_FALSE otherwise.
* If `result` is NULL then this function will return SDL_FALSE.
*
* \param A an SDL_Rect structure representing the first rectangle
* \param B an SDL_Rect structure representing the second rectangle
* \param result an SDL_Rect structure filled in with the intersection of
* rectangles `A` and `B`
* \returns SDL_TRUE if there is an intersection, SDL_FALSE otherwise.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_HasIntersection
*/
extern DECLSPEC SDL_bool SDLCALL SDL_IntersectRect(const SDL_Rect * A,
const SDL_Rect * B,
SDL_Rect * result);
/**
* \brief Calculate the union of two rectangles.
* Calculate the union of two rectangles.
*
* \param A an SDL_Rect structure representing the first rectangle
* \param B an SDL_Rect structure representing the second rectangle
* \param result an SDL_Rect structure filled in with the union of rectangles
* `A` and `B`
*
* \since This function is available since SDL 2.0.0.
*/
extern DECLSPEC void SDLCALL SDL_UnionRect(const SDL_Rect * A,
const SDL_Rect * B,
SDL_Rect * result);
/**
* \brief Calculate a minimal rectangle enclosing a set of points
* Calculate a minimal rectangle enclosing a set of points.
*
* \return SDL_TRUE if any points were within the clipping rect
* If `clip` is not NULL then only points inside of the clipping rectangle are
* considered.
*
* \param points an array of SDL_Point structures representing points to be
* enclosed
* \param count the number of structures in the `points` array
* \param clip an SDL_Rect used for clipping or NULL to enclose all points
* \param result an SDL_Rect structure filled in with the minimal enclosing
* rectangle
* \returns SDL_TRUE if any points were enclosed or SDL_FALSE if all the
* points were outside of the clipping rectangle.
*
* \since This function is available since SDL 2.0.0.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_EnclosePoints(const SDL_Point * points,
int count,
@ -154,15 +196,153 @@ extern DECLSPEC SDL_bool SDLCALL SDL_EnclosePoints(const SDL_Point * points,
SDL_Rect * result);
/**
* \brief Calculate the intersection of a rectangle and line segment.
* Calculate the intersection of a rectangle and line segment.
*
* \return SDL_TRUE if there is an intersection, SDL_FALSE otherwise.
* This function is used to clip a line segment to a rectangle. A line segment
* contained entirely within the rectangle or that does not intersect will
* remain unchanged. A line segment that crosses the rectangle at either or
* both ends will be clipped to the boundary of the rectangle and the new
* coordinates saved in `X1`, `Y1`, `X2`, and/or `Y2` as necessary.
*
* \param rect an SDL_Rect structure representing the rectangle to intersect
* \param X1 a pointer to the starting X-coordinate of the line
* \param Y1 a pointer to the starting Y-coordinate of the line
* \param X2 a pointer to the ending X-coordinate of the line
* \param Y2 a pointer to the ending Y-coordinate of the line
* \returns SDL_TRUE if there is an intersection, SDL_FALSE otherwise.
*
* \since This function is available since SDL 2.0.0.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_IntersectRectAndLine(const SDL_Rect *
rect, int *X1,
int *Y1, int *X2,
int *Y2);
/* SDL_FRect versions... */
/**
* Returns true if point resides inside a rectangle.
*/
SDL_FORCE_INLINE SDL_bool SDL_PointInFRect(const SDL_FPoint *p, const SDL_FRect *r)
{
return ( (p->x >= r->x) && (p->x < (r->x + r->w)) &&
(p->y >= r->y) && (p->y < (r->y + r->h)) ) ? SDL_TRUE : SDL_FALSE;
}
/**
* Returns true if the rectangle has no area.
*/
SDL_FORCE_INLINE SDL_bool SDL_FRectEmpty(const SDL_FRect *r)
{
return ((!r) || (r->w <= 0.0f) || (r->h <= 0.0f)) ? SDL_TRUE : SDL_FALSE;
}
/**
* Returns true if the two rectangles are equal.
*/
SDL_FORCE_INLINE SDL_bool SDL_FRectEquals(const SDL_FRect *a, const SDL_FRect *b)
{
return (a && b && (a->x == b->x) && (a->y == b->y) &&
(a->w == b->w) && (a->h == b->h)) ? SDL_TRUE : SDL_FALSE;
}
/**
* Determine whether two rectangles intersect with float precision.
*
* If either pointer is NULL the function will return SDL_FALSE.
*
* \param A an SDL_FRect structure representing the first rectangle
* \param B an SDL_FRect structure representing the second rectangle
* \returns SDL_TRUE if there is an intersection, SDL_FALSE otherwise.
*
* \since This function is available since SDL 2.0.22.
*
* \sa SDL_IntersectRect
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasIntersectionF(const SDL_FRect * A,
const SDL_FRect * B);
/**
* Calculate the intersection of two rectangles with float precision.
*
* If `result` is NULL then this function will return SDL_FALSE.
*
* \param A an SDL_FRect structure representing the first rectangle
* \param B an SDL_FRect structure representing the second rectangle
* \param result an SDL_FRect structure filled in with the intersection of
* rectangles `A` and `B`
* \returns SDL_TRUE if there is an intersection, SDL_FALSE otherwise.
*
* \since This function is available since SDL 2.0.22.
*
* \sa SDL_HasIntersectionF
*/
extern DECLSPEC SDL_bool SDLCALL SDL_IntersectFRect(const SDL_FRect * A,
const SDL_FRect * B,
SDL_FRect * result);
/**
* Calculate the union of two rectangles with float precision.
*
* \param A an SDL_FRect structure representing the first rectangle
* \param B an SDL_FRect structure representing the second rectangle
* \param result an SDL_FRect structure filled in with the union of rectangles
* `A` and `B`
*
* \since This function is available since SDL 2.0.22.
*/
extern DECLSPEC void SDLCALL SDL_UnionFRect(const SDL_FRect * A,
const SDL_FRect * B,
SDL_FRect * result);
/**
* Calculate a minimal rectangle enclosing a set of points with float
* precision.
*
* If `clip` is not NULL then only points inside of the clipping rectangle are
* considered.
*
* \param points an array of SDL_FPoint structures representing points to be
* enclosed
* \param count the number of structures in the `points` array
* \param clip an SDL_FRect used for clipping or NULL to enclose all points
* \param result an SDL_FRect structure filled in with the minimal enclosing
* rectangle
* \returns SDL_TRUE if any points were enclosed or SDL_FALSE if all the
* points were outside of the clipping rectangle.
*
* \since This function is available since SDL 2.0.22.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_EncloseFPoints(const SDL_FPoint * points,
int count,
const SDL_FRect * clip,
SDL_FRect * result);
/**
* Calculate the intersection of a rectangle and line segment with float
* precision.
*
* This function is used to clip a line segment to a rectangle. A line segment
* contained entirely within the rectangle or that does not intersect will
* remain unchanged. A line segment that crosses the rectangle at either or
* both ends will be clipped to the boundary of the rectangle and the new
* coordinates saved in `X1`, `Y1`, `X2`, and/or `Y2` as necessary.
*
* \param rect an SDL_FRect structure representing the rectangle to intersect
* \param X1 a pointer to the starting X-coordinate of the line
* \param Y1 a pointer to the starting Y-coordinate of the line
* \param X2 a pointer to the ending X-coordinate of the line
* \param Y2 a pointer to the ending Y-coordinate of the line
* \returns SDL_TRUE if there is an intersection, SDL_FALSE otherwise.
*
* \since This function is available since SDL 2.0.22.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_IntersectFRectAndLine(const SDL_FRect *
rect, float *X1,
float *Y1, float *X2,
float *Y2);
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}