From 6672e443a870963354ee43298c75164d382a5636 Mon Sep 17 00:00:00 2001
From: Peter Kohaut
Date: Sun, 13 Sep 2015 01:48:13 +0200
Subject: BLADERUNNER: just basic objects description scene stuff - lightning
 and effects movement track actor clues db actor walking info moved view from
 vqa decoder, because its needed elsewhere

does not compile, because new files are not in makefile...
---
 engines/bladerunner/fog.cpp | 94 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 engines/bladerunner/fog.cpp

(limited to 'engines/bladerunner/fog.cpp')

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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