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cleaned up windowdecision, fixed wrong x coordinate useed for sprites in windows

This commit is contained in:
mightymax 2007-01-12 19:46:01 +00:00
parent 5d53948dec
commit c41c3b1fc9
1 changed files with 240 additions and 159 deletions
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123
desmume/src/GPU.c
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@ -493,14 +493,96 @@ void GPU_setMASTER_BRIGHT (GPU *gpu, u16 v)
gpu->masterBright.val = v;
}
/* check whether (x,y) is within the rectangle (including wraparounds) */
INLINE BOOL withinRect (u8 x,u8 y, u16 startX, u16 startY, u16 endX, u16 endY)
{
if (startX > endX) {
/* if start > end, the window gets wrapped around */
/* check if the current pixel is in that x-wrapped area */
if ((x < endX) || (x >= startX))
{
/* x coord for this window is matched */
/* now check for y coord */
if (startY > endY)
{
/* rectangle is wrapped around y */
if ((y < endY) || (y >= startY))
{
/* y coord was mathched too, the point is within! */
return TRUE ;
} else
{
/* y coord is outside */
return FALSE ;
}
} else
{
/* y coord is not wraped, simple rectangle check */
if ((y < endY) && (y >= startY))
{
/* y coord was mathched too, the point is within! */
return TRUE ;
} else
{
/* y coord is outside */
return FALSE ;
}
}
} else
{
/* x coord is not matched, so we dont need to check further */
return FALSE ;
}
} else
{
/* if start >= end, it just describes an rectangle */
/* check we are within the limits */
if ((x >= startX) && (x < endX))
{
/* within the x range */
/* now check for y coord */
if (startY > endY)
{
/* rectangle is wrapped around y */
if ((y < endY) || (y >= startY))
{
/* y coord was mathched too, the point is within! */
return TRUE ;
} else
{
/* y coord is outside */
return FALSE ;
}
} else
{
/* y coord is not wraped, simple rectangle check */
if ((y < endY) && (y >= startY))
{
/* y coord was mathched too, the point is within! */
return TRUE ;
} else
{
/* y coord is outside */
return FALSE ;
}
}
} else
{
/* not within this rectangle */
return FALSE ;
}
}
}
INLINE BOOL renderline_checkWindowInside(GPU *gpu, u8 bgnum, u16 x, u16 y, BOOL *draw, BOOL *effect)
{
/* priority to check the window regions: win0,win1,winobj */
if (gpu->dispCnt.bits.Win0_Enable) /* highest priority */
{
if (((gpu->WINDOW_XDIM[0].val) && (gpu->WINDOW_YDIM[0].val)) &&
((((x >= gpu->WINDOW_XDIM[0].bits.start) && (x < gpu->WINDOW_XDIM[0].bits.end)) /* || (gpu->WINDOW_XDIM[1].bits.end==0)*/)
&&(y >= gpu->WINDOW_YDIM[0].bits.start) && (y < gpu->WINDOW_YDIM[0].bits.end)))
if (withinRect( x,y,
gpu->WINDOW_XDIM[0].bits.start,gpu->WINDOW_YDIM[0].bits.start,
gpu->WINDOW_XDIM[0].bits.end,gpu->WINDOW_YDIM[0].bits.end
))
{
switch (bgnum) {
case 0:
@ -540,13 +622,14 @@ INLINE BOOL renderline_checkWindowInside(GPU *gpu, u8 bgnum, u16 x, u16 y, BOOL
}
if (gpu->dispCnt.bits.Win1_Enable) /* mid priority */
{
if (((gpu->WINDOW_XDIM[1].val) && (gpu->WINDOW_YDIM[1].val)) &&
((((x >= gpu->WINDOW_XDIM[1].bits.start) && (x < gpu->WINDOW_XDIM[1].bits.end)) /* || (gpu->WINDOW_XDIM[1].bits.end==0)*/)
&&(y >= gpu->WINDOW_YDIM[1].bits.start) && (y < gpu->WINDOW_YDIM[1].bits.end)))
if (withinRect( x,y,
gpu->WINDOW_XDIM[1].bits.start,gpu->WINDOW_YDIM[1].bits.start,
gpu->WINDOW_XDIM[1].bits.end,gpu->WINDOW_YDIM[1].bits.end
))
{
switch (bgnum) {
case 0:
if (!gpu->WINDOW_INCNT.bits.WIN0_BG0_Enable)
if (!gpu->WINDOW_INCNT.bits.WIN1_BG0_Enable)
*draw = FALSE ; /* drawing explicit disabled for thios bg in this rectangle */
else
*draw = TRUE ;
@ -594,11 +677,10 @@ INLINE BOOL renderline_checkWindowOutside(GPU *gpu, u8 bgnum, u16 x, u16 y, BOOL
/* priority to check the window regions: win0,win1,winobj */
if (gpu->dispCnt.bits.Win0_Enable) /* highest priority */
{
if (((gpu->WINDOW_XDIM[0].val) && (gpu->WINDOW_YDIM[0].val)) &&
((((x >= gpu->WINDOW_XDIM[0].bits.start) && (x < gpu->WINDOW_XDIM[0].bits.end)) /* || (gpu->WINDOW_XDIM[1].bits.end==0)*/)
&&(y >= gpu->WINDOW_YDIM[0].bits.start) && (y < gpu->WINDOW_YDIM[0].bits.end)))
{
} else
if (!withinRect( x,y,
gpu->WINDOW_XDIM[0].bits.start,gpu->WINDOW_YDIM[0].bits.start,
gpu->WINDOW_XDIM[0].bits.end,gpu->WINDOW_YDIM[0].bits.end
))
{
switch (bgnum) {
case 0:
@ -638,15 +720,14 @@ INLINE BOOL renderline_checkWindowOutside(GPU *gpu, u8 bgnum, u16 x, u16 y, BOOL
}
if (gpu->dispCnt.bits.Win1_Enable) /* mid priority */
{
if (((gpu->WINDOW_XDIM[1].val) && (gpu->WINDOW_YDIM[1].val)) &&
((((x >= gpu->WINDOW_XDIM[1].bits.start) && (x < gpu->WINDOW_XDIM[1].bits.end)) /* || (gpu->WINDOW_XDIM[1].bits.end==0)*/)
&&(y >= gpu->WINDOW_YDIM[1].bits.start) && (y < gpu->WINDOW_YDIM[1].bits.end)))
{
} else
if (!withinRect( x,y,
gpu->WINDOW_XDIM[1].bits.start,gpu->WINDOW_YDIM[1].bits.start,
gpu->WINDOW_XDIM[1].bits.end,gpu->WINDOW_YDIM[1].bits.end
))
{
switch (bgnum) {
case 0:
if (!gpu->WINDOW_OUTCNT.bits.WIN0_BG0_Enable)
if (!gpu->WINDOW_OUTCNT.bits.WIN1_BG0_Enable)
*draw = FALSE ; /* drawing explicit disabled for thios bg in this rectangle */
else
*draw = TRUE ;
@ -1216,19 +1297,19 @@ void extRotBG(GPU * gpu, u8 num, u8 * DST)
#define RENDERS_A(a) \
if((a)&&(prioTab[sprX]>=prio)) \
{ \
renderline_setFinalColor(gpu, sprX << 1,4,dst, c,x,l); \
renderline_setFinalColor(gpu, sprX << 1,4,dst, c,sprX,l); \
prioTab[sprX] = prio; \
}
#define RENDERS_B(c) \
if((c)&&(prioTab[sprX]>=prio)) \
{ \
renderline_setFinalColor(gpu, sprX << 1,4,dst, T1ReadWord(pal, (c) << 1),x,l); \
renderline_setFinalColor(gpu, sprX << 1,4,dst, T1ReadWord(pal, (c) << 1),sprX,l); \
prioTab[sprX] = prio; \
}
#define RENDERS_C(c,d) \
if((c)&&(prioTab[sprX]>=prio)) \
{ \
renderline_setFinalColor(gpu, (sprX d) << 1,4,dst, T1ReadWord(pal, ((c)+(spriteInfo->PaletteIndex<<4)) << 1),x,l); \
renderline_setFinalColor(gpu, (sprX d) << 1,4,dst, T1ReadWord(pal, ((c)+(spriteInfo->PaletteIndex<<4)) << 1),(sprX d),l); \
prioTab[sprX d] = prio; \
}