Imported existing code

indra/llprimitive/lltextureanim.cpp

@@ -0,0 +1,245 @@
+/** 
+ * @file lltextureanim.cpp
+ * @brief LLTextureAnim base class
+ *
+ * $LicenseInfo:firstyear=2001&license=viewergpl$
+ * 
+ * Copyright (c) 2001-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+
+#include "lltextureanim.h"
+#include "message.h"
+#include "lldatapacker.h"
+
+const S32 TA_BLOCK_SIZE = 16;
+
+LLTextureAnim::LLTextureAnim()
+{
+	reset();
+}
+
+
+LLTextureAnim::~LLTextureAnim()
+{
+}
+
+
+void LLTextureAnim::reset()
+{
+	mMode = 0;
+	mFace = -1;
+	mSizeX = 4;
+	mSizeY = 4;
+	mStart = 0.f;
+	mLength = 0.f;
+	mRate = 1.f;
+}
+
+BOOL LLTextureAnim::equals(const LLTextureAnim &other) const
+{
+	if (mMode != other.mMode)
+	{
+		return FALSE;
+	}
+	if (mFace != other.mFace)
+	{
+		return FALSE;
+	}
+	if (mSizeX != other.mSizeX)
+	{
+		return FALSE;
+	}
+	if (mSizeY != other.mSizeY)
+	{
+		return FALSE;
+	}
+	if (mStart != other.mStart)
+	{
+		return FALSE;
+	}
+	if (mLength != other.mLength)
+	{
+		return FALSE;
+	}
+	if (mRate != other.mRate)
+	{
+		return FALSE;
+	}
+
+	return TRUE;
+}
+void LLTextureAnim::packTAMessage(LLMessageSystem *mesgsys) const
+{
+	U8 data[TA_BLOCK_SIZE];
+	data[0] = mMode;
+	data[1] = mFace;
+	data[2] = mSizeX;
+	data[3] = mSizeY;
+	htonmemcpy(data + 4, &mStart, MVT_F32, sizeof(F32));
+	htonmemcpy(data + 8, &mLength, MVT_F32, sizeof(F32));
+	htonmemcpy(data + 12, &mRate, MVT_F32, sizeof(F32));
+
+	mesgsys->addBinaryDataFast(_PREHASH_TextureAnim, data, TA_BLOCK_SIZE);
+}
+
+
+void LLTextureAnim::packTAMessage(LLDataPacker &dp) const
+{
+	U8 data[TA_BLOCK_SIZE];
+	data[0] = mMode;
+	data[1] = mFace;
+	data[2] = mSizeX;
+	data[3] = mSizeY;
+	htonmemcpy(data + 4, &mStart, MVT_F32, sizeof(F32));
+	htonmemcpy(data + 8, &mLength, MVT_F32, sizeof(F32));
+	htonmemcpy(data + 12, &mRate, MVT_F32, sizeof(F32));
+
+	dp.packBinaryData(data, TA_BLOCK_SIZE, "TextureAnimation");
+}
+
+
+void LLTextureAnim::unpackTAMessage(LLMessageSystem *mesgsys, const S32 block_num)
+{
+	S32 size = mesgsys->getSizeFast(_PREHASH_ObjectData, block_num, _PREHASH_TextureAnim);
+
+	if (size != TA_BLOCK_SIZE)
+	{
+		if (size)
+		{
+			llwarns << "Bad size " << size << " for TA block, ignoring." << llendl;
+		}
+		mMode = 0;
+		return;
+	}
+
+	U8 data[TA_BLOCK_SIZE];
+	mesgsys->getBinaryDataFast(_PREHASH_ObjectData, _PREHASH_TextureAnim, data, TA_BLOCK_SIZE, block_num);
+
+	mMode = data[0];
+	mFace = data[1];
+	if (mMode & LLTextureAnim::SMOOTH)
+	{
+		mSizeX = llmax((U8)0, data[2]);
+		mSizeY = llmax((U8)0, data[3]);
+	}
+	else
+	{
+		mSizeX = llmax((U8)1, data[2]);
+		mSizeY = llmax((U8)1, data[3]);
+	}
+	htonmemcpy(&mStart, data + 4, MVT_F32, sizeof(F32));
+	htonmemcpy(&mLength, data + 8, MVT_F32, sizeof(F32));
+	htonmemcpy(&mRate, data + 12, MVT_F32, sizeof(F32));
+}
+
+void LLTextureAnim::unpackTAMessage(LLDataPacker &dp)
+{
+	S32 size;
+	U8 data[TA_BLOCK_SIZE];
+	dp.unpackBinaryData(data, size, "TextureAnimation");
+	if (size != TA_BLOCK_SIZE)
+	{
+		if (size)
+		{
+			llwarns << "Bad size " << size << " for TA block, ignoring." << llendl;
+		}
+		mMode = 0;
+		return;
+	}
+
+	mMode = data[0];
+	mFace = data[1];
+	mSizeX = llmax((U8)1, data[2]);
+	mSizeY = llmax((U8)1, data[3]);
+	htonmemcpy(&mStart, data + 4, MVT_F32, sizeof(F32));
+	htonmemcpy(&mLength, data + 8, MVT_F32, sizeof(F32));
+	htonmemcpy(&mRate, data + 12, MVT_F32, sizeof(F32));
+}
+
+LLSD LLTextureAnim::asLLSD() const
+{
+	LLSD sd;
+	sd["mode"] = mMode;
+	sd["face"] = mFace;
+	sd["sizeX"] = mSizeX;
+	sd["sizeY"] = mSizeY;
+	sd["start"] = mStart;
+	sd["length"] = mLength;
+	sd["rate"] = mRate;
+	return sd;
+}
+
+bool LLTextureAnim::fromLLSD(LLSD& sd)
+{
+	const char *w;
+	w = "mode";
+	if (sd.has(w))
+	{
+		mMode =	(U8)sd[w].asInteger();
+	} else goto fail;
+
+	w = "face";
+	if (sd.has(w))
+	{
+		mFace =	(S8)sd[w].asInteger();
+	} else goto fail;
+
+	w = "sizeX";
+	if (sd.has(w))
+	{
+		mSizeX = (U8)sd[w].asInteger();
+	} else goto fail;
+
+	w = "sizeY";
+	if (sd.has(w))
+	{
+		mSizeY = (U8)sd[w].asInteger();
+	} else goto fail;
+
+	w = "start";
+	if (sd.has(w))
+	{
+		mStart = (F32)sd[w].asReal();
+	} else goto fail;
+
+	w = "length";
+	if (sd.has(w))
+	{
+		mLength = (F32)sd[w].asReal();
+	} else goto fail;
+
+	w = "rate";
+	if (sd.has(w))
+	{
+		mRate =	(F32)sd[w].asReal();
+	} else goto fail;
+
+	return true;
+fail:
+	return false;
+}