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More CRasterFont work, CParticleElectric stub

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This commit is contained in:
Phillip Stephens
2016-03-15 16:44:59 -07:00
parent b3859c4476
commit b496ec643b
7 changed files with 175 additions and 18 deletions
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40
Runtime/IOStreams.cpp
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@@ -4,6 +4,46 @@
namespace urde
{
s32 DecryptionCtx::DecryptRead(CInputStream& in, s32 key)
{
int ret = 0;
if (x20_encShift >= key)
{
int diff = x20_encShift - 0x20;
int baseVal = -1;
if (x20_encShift != 0x20)
baseVal = 1 << (x20_encShift - 1);
x20_encShift = key - x20_encShift;
ret = baseVal | (x1c_encVal >> diff);
}
else
{
int diff = x20_encShift - key;
int rem = x20_encShift - 0x20;
int baseVal1 = -1;
if (x20_encShift != 0x20)
baseVal1 = 1 << (x20_encShift - 1);
int bit = diff & 7;
x20_encShift = 0;
int count = (diff >> 3) + ((-bit | bit) >> 31);
int baseVal2 = (baseVal1 & (x1c_encVal >> rem)) << diff;
in.readBytesToBuf(&x1c_encVal, count);
int baseVal3 = -1;
if (diff != 0x20)
baseVal3 = 1 << (diff - 1);
int tmpShift = x20_encShift;
x20_encShift = (count << 3);
ret = baseVal2 | (baseVal3 & (x1c_encVal >> (diff - 0x20))) << tmpShift;
x20_encShift = diff - x20_encShift;
x1c_encVal = x1c_encVal >> diff;
}
return ret;
}
class CZipSupport
{
public: