diff options
Diffstat (limited to 'engines/bladerunner/fog.cpp')
| -rw-r--r-- | engines/bladerunner/fog.cpp | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/engines/bladerunner/fog.cpp b/engines/bladerunner/fog.cpp new file mode 100644 index 0000000000..5951ba8d1c --- /dev/null +++ b/engines/bladerunner/fog.cpp @@ -0,0 +1,94 @@ +#include "bladerunner/fog.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); + } +}
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