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Add min max macros

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This commit is contained in:
Miloslav Číž 2018-09-22 15:17:07 +02:00
parent 3aad310b26
commit 4fdef47f61
1 changed files with 11 additions and 5 deletions
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16
raycastlib.h
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@ -138,6 +138,10 @@
depth. */
#endif
#define RCL_min(a,b) ((a) < (b) ? (a) : (b))
#define RCL_max(a,b) ((a) > (b) ? (a) : (b))
#define RCL_nonZero(v) ((v) != 0 ? (v) : 1) ///< To prevent zero divisions.
#define RCL_logV2D(v)\
printf("[%d,%d]\n",v.x,v.y);
@ -493,8 +497,6 @@ RCL_Unit RCL_clamp(RCL_Unit value, RCL_Unit valueMin, RCL_Unit valueMax)
return valueMin;
}
#define RCL_nonZero(v) ((v) != 0 ? (v) : 1) ///< To prevent zero divisions.
static inline RCL_Unit RCL_absVal(RCL_Unit value)
{
RCL_profileCall(RCL_absVal);
@ -987,6 +989,8 @@ static inline int16_t _RCL_drawHorizontal(
RCL_PixelInfo *pixelInfo
)
{
pixelInfo->isWall = 0;
int16_t limit = RCL_clamp(yTo,limit1,limit2);
if (computeDepth) // branch early before critical function
@ -1027,6 +1031,8 @@ static inline int16_t _RCL_drawWall(
RCL_PixelInfo *pixelInfo
)
{
pixelInfo->isWall = 1;
RCL_Unit limit = RCL_clamp(yTo,limit1,limit2);
RCL_Unit wallLength = yTo - yFrom - 1;
@ -1321,7 +1327,7 @@ void _RCL_columnFunctionSimple(RCL_HitResult *hits, uint16_t hitCount, uint16_t
p.isHorizon = 1;
p.depth = 1;
RCL_Unit limit = wallStart < _RCL_middleRow ? wallStart : _RCL_middleRow;
RCL_Unit limit = RCL_min(wallStart,_RCL_middleRow);
// ^ in case there is no wall
while (y < limit)
@ -1710,10 +1716,10 @@ void RCL_moveCameraWithCollision(RCL_Camera *camera, RCL_Vector2D planeOffset,
#define checkSquares(s1,s2)\
{\
height = floorHeightFunc(xSquare##s1,ySquare##s2);\
bottomLimit = bottomLimit < height ? height : bottomLimit;\
bottomLimit = RCL_max(bottomLimit,height);\
height = ceilingHeightFunc != 0 ?\
ceilingHeightFunc(xSquare##s1,ySquare##s2) : RCL_INFINITY;\
topLimit = topLimit > height ? height : topLimit;\
topLimit = RCL_min(topLimit,height);\
}
if (xSquare2 != xSquare1)