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#include "bladerunner/fog.h"
#include "common/stream.h"
namespace BladeRunner {
Fog::Fog()
{
}
Fog::~Fog()
{
}
int Fog::readCommon(Common::ReadStream* stream)
{
int offset = stream->readUint32LE();
stream->read(_name, 20);
_fogColor.r = stream->readFloatLE();
_fogColor.g = stream->readFloatLE();
_fogColor.b = stream->readFloatLE();
_fogDensity = stream->readFloatLE();
return offset;
}
void Fog::readAnimationData(Common::ReadStream* stream, int size)
{
_animatedParameters = stream->readUint32LE();
_animationData = new float[size / sizeof(float)];
stream->read(_animationData, size);
_m11ptr = _animationData;
_m12ptr = _m11ptr + (_animatedParameters & 0x1 ? _framesCount : 1);
_m13ptr = _m12ptr + (_animatedParameters & 0x2 ? _framesCount : 1);
_m14ptr = _m13ptr + (_animatedParameters & 0x4 ? _framesCount : 1);
_m21ptr = _m14ptr + (_animatedParameters & 0x08 ? _framesCount : 1);
_m22ptr = _m21ptr + (_animatedParameters & 0x10 ? _framesCount : 1);
_m23ptr = _m22ptr + (_animatedParameters & 0x20 ? _framesCount : 1);
_m24ptr = _m23ptr + (_animatedParameters & 0x40 ? _framesCount : 1);
_m31ptr = _m24ptr + (_animatedParameters & 0x80 ? _framesCount : 1);
_m32ptr = _m31ptr + (_animatedParameters & 0x100 ? _framesCount : 1);
_m33ptr = _m32ptr + (_animatedParameters & 0x200 ? _framesCount : 1);
_m34ptr = _m33ptr + (_animatedParameters & 0x400 ? _framesCount : 1);
setupFrame(0);
}
void Fog::reset()
{
}
void Fog::setupFrame(int frame)
{
int offset = frame % _framesCount;
_matrix._m[0][0] = (_animatedParameters & 0x1 ? _m11ptr[offset] : *_m11ptr);
_matrix._m[0][1] = (_animatedParameters & 0x2 ? _m12ptr[offset] : *_m12ptr);
_matrix._m[0][2] = (_animatedParameters & 0x4 ? _m13ptr[offset] : *_m13ptr);
_matrix._m[0][3] = (_animatedParameters & 0x8 ? _m14ptr[offset] : *_m14ptr);
_matrix._m[1][0] = (_animatedParameters & 0x10 ? _m21ptr[offset] : *_m21ptr);
_matrix._m[1][1] = (_animatedParameters & 0x20 ? _m22ptr[offset] : *_m22ptr);
_matrix._m[1][2] = (_animatedParameters & 0x40 ? _m23ptr[offset] : *_m23ptr);
_matrix._m[1][3] = (_animatedParameters & 0x80 ? _m24ptr[offset] : *_m24ptr);
_matrix._m[2][0] = (_animatedParameters & 0x100 ? _m31ptr[offset] : *_m31ptr);
_matrix._m[2][1] = (_animatedParameters & 0x200 ? _m32ptr[offset] : *_m32ptr);
_matrix._m[2][2] = (_animatedParameters & 0x400 ? _m33ptr[offset] : *_m33ptr);
_matrix._m[2][3] = (_animatedParameters & 0x800 ? _m34ptr[offset] : *_m34ptr);
_inverted = invertMatrix(_matrix);
}
void FogCone::read(Common::ReadStream* stream, int framesCount)
{
_framesCount = framesCount;
int size = readCommon(stream);
_parameter1 = stream->readFloatLE();
readAnimationData(stream, size - 52);
}
void FogSphere::read(Common::ReadStream* stream, int framesCount)
{
_framesCount = framesCount;
int size = readCommon(stream);
_parameter1 = stream->readFloatLE();
readAnimationData(stream, size - 52);
}
void FogBox::read(Common::ReadStream* stream, int framesCount)
{
_framesCount = framesCount;
int size = readCommon(stream);
_parameter1 = stream->readFloatLE();
_parameter2 = stream->readFloatLE();
_parameter3 = stream->readFloatLE();
readAnimationData(stream, size - 60);
}
} // End of namespace BladeRunner
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