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Palette transitions are now smooth

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git-svn-id: svn://svn.code.sf.net/p/sc2/code/trunk@128 8092fc87-c524-0410-9efc-e669fe64eaf9
This commit is contained in:
gewlitys
2002-10-15 21:51:16 +00:00
parent b65f06144b
commit 72fbba7d4d
1 changed files with 66 additions and 48 deletions
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sc2/src/sc2code/comm.c
+48 -30
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@@ -379,21 +379,23 @@ int xform_PLUT_task(void* data)
CurMapPtr = TaskControl.CMapPtr;
{
SIZE TDelta, TTotal;
BYTE i;
SIZE TDelta, TTotal, TTotalOrig;
DWORD CurTime;
DWORD OldCMap[NUMBER_OF_PLUT_UINT32s], *pOldCMap, *pCurCMap;
TTotal = TaskControl.Ticks;
pCurCMap = (DWORD *)((BYTE *)_varPLUTs + (*CurMapPtr * PLUT_BYTE_SIZE));
pOldCMap = OldCMap;
for (i = 0; i < NUMBER_OF_PLUT_UINT32s; ++i)
*pOldCMap++ = *pCurCMap++;
TTotal = TTotalOrig = TaskControl.Ticks;
TaskControl.CMapPtr = 0;
CurTime = GetTimeCounter ();
do
{
//#define NUMBER_OF_PLUTVALS 32
//#define NUMBER_OF_PLUT_UINT32s (NUMBER_OF_PLUTVALS >> 1)
BYTE i;
DWORD StartTime;
DWORD *pCurCMap;
COLORMAPPTR ColorMapPtr;
extern DWORD *_varPLUTs;
StartTime = CurTime;
SleepThread (2);
@@ -403,6 +405,8 @@ int xform_PLUT_task(void* data)
ColorMapPtr = CurMapPtr;
pCurCMap = (DWORD *)((BYTE *)_varPLUTs + (*ColorMapPtr * PLUT_BYTE_SIZE));
pOldCMap = OldCMap;
ColorMapPtr += 2;
i = NUMBER_OF_PLUT_UINT32s;
if (_varPLUTs)
@@ -410,45 +414,61 @@ if (_varPLUTs)
{
SIZE c0, c1;
DWORD v0, v1, val;
float f = (TTotalOrig - TTotal) / (float)TTotalOrig;
COLORMAPPTR oldmap = (COLORMAPPTR) pOldCMap;
v0 = *pCurCMap;
v1 = MAKE_DWORD (
v0 = MAKE_DWORD
(
MAKE_WORD (oldmap[3], oldmap[2]),
MAKE_WORD (oldmap[1], oldmap[0])
);
v1 = MAKE_DWORD
(
MAKE_WORD (ColorMapPtr[3], ColorMapPtr[2]),
MAKE_WORD (ColorMapPtr[1], ColorMapPtr[0])
);
ColorMapPtr += sizeof (DWORD);
c0 = (v0 >> (10 + 16)) & 0x1F;
c1 = (v1 >> (10 + 16)) & 0x1F;
c0 += ((c1 - c0) * TDelta) / TTotal;
c0 = (SIZE)((v0 >> (10 + 16)) & 0x1F);
c1 = (SIZE)((v1 >> (10 + 16)) & 0x1F);
c0 += (SIZE)((c1 - c0) * f);
val = (c0 & 0x1F) | (1 << 5);
c0 = (v0 >> (5 + 16)) & 0x1F;
c1 = (v1 >> (5 + 16)) & 0x1F;
c0 += ((c1 - c0) * TDelta) / TTotal;
c0 = (SIZE)((v0 >> (5 + 16)) & 0x1F);
c1 = (SIZE)((v1 >> (5 + 16)) & 0x1F);
c0 += (SIZE)((c1 - c0) * f);
val = (val << 5) | (c0 & 0x1F);
c0 = (v0 >> (0 + 16)) & 0x1F;
c1 = (v1 >> (0 + 16)) & 0x1F;
c0 += ((c1 - c0) * TDelta) / TTotal;
c0 = (SIZE)((v0 >> (0 + 16)) & 0x1F);
c1 = (SIZE)((v1 >> (0 + 16)) & 0x1F);
c0 += (SIZE)((c1 - c0) * f);
val = (val << 5) | (c0 & 0x1F);
c0 = (v0 >> 10) & 0x1F;
c1 = (v1 >> 10) & 0x1F;
c0 += ((c1 - c0) * TDelta) / TTotal;
c0 = (SIZE)((v0 >> 10) & 0x1F);
c1 = (SIZE)((v1 >> 10) & 0x1F);
c0 += (SIZE)((c1 - c0) * f);
val = (val << (5 + 1)) | (c0 & 0x1F) | (1 << 5);
c0 = (v0 >> 5) & 0x1F;
c1 = (v1 >> 5) & 0x1F;
c0 += ((c1 - c0) * TDelta) / TTotal;
c0 = (SIZE)((v0 >> 5) & 0x1F);
c1 = (SIZE)((v1 >> 5) & 0x1F);
c0 += (SIZE)((c1 - c0) * f);
val = (val << 5) | (c0 & 0x1F);
c0 = (v0 >> 0) & 0x1F;
c1 = (v1 >> 0) & 0x1F;
c0 += ((c1 - c0) * TDelta) / TTotal;
c0 = (SIZE)((v0 >> 0) & 0x1F);
c1 = (SIZE)((v1 >> 0) & 0x1F);
c0 += (SIZE)((c1 - c0) * f);
val = (val << 5) | (c0 & 0x1F);
*pCurCMap++ = val;
*pOldCMap++;
*pCurCMap++ = MAKE_DWORD
(
MAKE_WORD ((val >> 24 ) & 0xff, (val >> 16) & 0xff),
MAKE_WORD ((val >> 8 ) & 0xff, (val >> 0 ) & 0xff)
);
} while (--i);
ColorChange = TRUE;
@@ -482,8 +502,6 @@ XFormPLUT (COLORMAPPTR ColorMapPtr, SIZE TimeInterval)
{
DWORD TimeOut;
TimeInterval = 0; // added by Mika
FlushPLUTXForms ();
TaskControl.CMapPtr = ColorMapPtr;