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- deleted unused radarang table

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This commit is contained in:
Christoph Oelckers 2022-08-22 18:24:32 +02:00
parent cb39a07580
commit 35693ec399
1 changed files with 0 additions and 31 deletions
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31
source/build/src/engine.cpp
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@ -42,9 +42,6 @@ int32_t mdtims, omdtims;
uint8_t globalr = 255, globalg = 255, globalb = 255;
static int16_t radarang[1280];
//
// Internal Engine Functions
//
@ -60,10 +57,6 @@ void engineInit(void)
for (i=1024; i<2048; i++)
sintable[i] = -sintable[i-1024];
for (i=0; i<640; i++)
radarang[i] = atan((639.5 - i) / 160.) * (-64. / BAngRadian);
for (i=0; i<640; i++)
radarang[1279-i] = -radarang[i];
}
//
@ -188,30 +181,6 @@ int32_t rintersect(int32_t x1, int32_t y1, int32_t z1,
return t;
}
int32_t _getangle(int32_t xvect, int32_t yvect)
{
int32_t rv;
if ((xvect | yvect) == 0)
rv = 0;
else if (xvect == 0)
rv = 512 + ((yvect < 0) << 10);
else if (yvect == 0)
rv = ((xvect < 0) << 10);
else if (xvect == yvect)
rv = 256 + ((xvect < 0) << 10);
else if (xvect == -yvect)
rv = 768 + ((xvect > 0) << 10);
else if (abs(xvect) > abs(yvect))
rv = ((radarang[640 + Scale(160, yvect, xvect)] >> 6) + ((xvect < 0) << 10)) & 2047;
else rv = ((radarang[640 - Scale(160, xvect, yvect)] >> 6) + 512 + ((yvect < 0) << 10)) & 2047;
return rv;
}
//
// cansee
//