Merge with viewer-release.

1 files changed, 227 insertions, 0 deletions

diff --git a/indra/llprimitive/llmaterial.cpp b/indra/llprimitive/llmaterial.cpp
new file mode 100644
index 0000000000..cf4c645cfd
--- /dev/null
+++ b/indra/llprimitive/llmaterial.cpp
@@ -0,0 +1,227 @@
+/**
+ * @file llmaterial.cpp
+ * @brief Material definition
+ *
+ * $LicenseInfo:firstyear=2006&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+
+#include "llmaterial.h"
+
+/**
+ * Materials cap parameters
+ */
+#define MATERIALS_CAP_NORMAL_MAP_FIELD            "NormMap"
+#define MATERIALS_CAP_NORMAL_MAP_OFFSET_X_FIELD   "NormOffsetX"
+#define MATERIALS_CAP_NORMAL_MAP_OFFSET_Y_FIELD   "NormOffsetY"
+#define MATERIALS_CAP_NORMAL_MAP_REPEAT_X_FIELD   "NormRepeatX"
+#define MATERIALS_CAP_NORMAL_MAP_REPEAT_Y_FIELD   "NormRepeatY"
+#define MATERIALS_CAP_NORMAL_MAP_ROTATION_FIELD   "NormRotation"
+
+#define MATERIALS_CAP_SPECULAR_MAP_FIELD          "SpecMap"
+#define MATERIALS_CAP_SPECULAR_MAP_OFFSET_X_FIELD "SpecOffsetX"
+#define MATERIALS_CAP_SPECULAR_MAP_OFFSET_Y_FIELD "SpecOffsetY"
+#define MATERIALS_CAP_SPECULAR_MAP_REPEAT_X_FIELD "SpecRepeatX"
+#define MATERIALS_CAP_SPECULAR_MAP_REPEAT_Y_FIELD "SpecRepeatY"
+#define MATERIALS_CAP_SPECULAR_MAP_ROTATION_FIELD "SpecRotation"
+
+#define MATERIALS_CAP_SPECULAR_COLOR_FIELD        "SpecColor"
+#define MATERIALS_CAP_SPECULAR_EXP_FIELD          "SpecExp"
+#define MATERIALS_CAP_ENV_INTENSITY_FIELD         "EnvIntensity"
+#define MATERIALS_CAP_ALPHA_MASK_CUTOFF_FIELD     "AlphaMaskCutoff"
+#define MATERIALS_CAP_DIFFUSE_ALPHA_MODE_FIELD    "DiffuseAlphaMode"
+
+const LLColor4U LLMaterial::DEFAULT_SPECULAR_LIGHT_COLOR(255,255,255,255);
+
+/**
+ * Materials constants
+ */
+
+const F32 MATERIALS_MULTIPLIER                   = 10000.f;
+
+/**
+ * Helper functions
+ */
+
+template<typename T> T getMaterialField(const LLSD& data, const std::string& field, const LLSD::Type field_type)
+{
+	if ( (data.has(field)) && (field_type == data[field].type()) )
+	{
+		return (T)data[field];
+	}
+	llerrs << "Missing or mistyped field '" << field << "' in material definition" << llendl;
+	return (T)LLSD();
+}
+
+// GCC didn't like the generic form above for some reason
+template<> LLUUID getMaterialField(const LLSD& data, const std::string& field, const LLSD::Type field_type)
+{
+	if ( (data.has(field)) && (field_type == data[field].type()) )
+	{
+		return data[field].asUUID();
+	}
+	llerrs << "Missing or mistyped field '" << field << "' in material definition" << llendl;
+	return LLUUID::null;
+}
+
+/**
+ * LLMaterial class
+ */
+
+const LLMaterial LLMaterial::null;
+
+LLMaterial::LLMaterial()
+	: mNormalOffsetX(0.0f)
+	, mNormalOffsetY(0.0f)
+	, mNormalRepeatX(1.0f)
+	, mNormalRepeatY(1.0f)
+	, mNormalRotation(0.0f)
+	, mSpecularOffsetX(0.0f)
+	, mSpecularOffsetY(0.0f)
+	, mSpecularRepeatX(1.0f)
+	, mSpecularRepeatY(1.0f)
+	, mSpecularRotation(0.0f)
+	, mSpecularLightColor(LLMaterial::DEFAULT_SPECULAR_LIGHT_COLOR)
+	, mSpecularLightExponent(LLMaterial::DEFAULT_SPECULAR_LIGHT_EXPONENT)
+	, mEnvironmentIntensity(LLMaterial::DEFAULT_ENV_INTENSITY)
+	, mDiffuseAlphaMode(LLMaterial::DIFFUSE_ALPHA_MODE_BLEND)
+	, mAlphaMaskCutoff(0)
+{
+}
+
+LLMaterial::LLMaterial(const LLSD& material_data)
+{
+	fromLLSD(material_data);
+}
+
+LLSD LLMaterial::asLLSD() const
+{
+	LLSD material_data;
+
+	material_data[MATERIALS_CAP_NORMAL_MAP_FIELD] = mNormalID;
+	material_data[MATERIALS_CAP_NORMAL_MAP_OFFSET_X_FIELD] = llround(mNormalOffsetX * MATERIALS_MULTIPLIER);
+	material_data[MATERIALS_CAP_NORMAL_MAP_OFFSET_Y_FIELD] = llround(mNormalOffsetY * MATERIALS_MULTIPLIER);
+	material_data[MATERIALS_CAP_NORMAL_MAP_REPEAT_X_FIELD] = llround(mNormalRepeatX * MATERIALS_MULTIPLIER);
+	material_data[MATERIALS_CAP_NORMAL_MAP_REPEAT_Y_FIELD] = llround(mNormalRepeatY * MATERIALS_MULTIPLIER);
+	material_data[MATERIALS_CAP_NORMAL_MAP_ROTATION_FIELD] = llround(mNormalRotation * MATERIALS_MULTIPLIER);
+
+	material_data[MATERIALS_CAP_SPECULAR_MAP_FIELD] = mSpecularID;
+	material_data[MATERIALS_CAP_SPECULAR_MAP_OFFSET_X_FIELD] = llround(mSpecularOffsetX * MATERIALS_MULTIPLIER);
+	material_data[MATERIALS_CAP_SPECULAR_MAP_OFFSET_Y_FIELD] = llround(mSpecularOffsetY * MATERIALS_MULTIPLIER);
+	material_data[MATERIALS_CAP_SPECULAR_MAP_REPEAT_X_FIELD] = llround(mSpecularRepeatX * MATERIALS_MULTIPLIER);
+	material_data[MATERIALS_CAP_SPECULAR_MAP_REPEAT_Y_FIELD] = llround(mSpecularRepeatY * MATERIALS_MULTIPLIER);
+	material_data[MATERIALS_CAP_SPECULAR_MAP_ROTATION_FIELD] = llround(mSpecularRotation * MATERIALS_MULTIPLIER);
+
+	material_data[MATERIALS_CAP_SPECULAR_COLOR_FIELD]     = mSpecularLightColor.getValue();
+	material_data[MATERIALS_CAP_SPECULAR_EXP_FIELD]       = mSpecularLightExponent;
+	material_data[MATERIALS_CAP_ENV_INTENSITY_FIELD]      = mEnvironmentIntensity;
+	material_data[MATERIALS_CAP_DIFFUSE_ALPHA_MODE_FIELD] = mDiffuseAlphaMode;
+	material_data[MATERIALS_CAP_ALPHA_MASK_CUTOFF_FIELD]  = mAlphaMaskCutoff;
+
+	return material_data;
+}
+
+void LLMaterial::fromLLSD(const LLSD& material_data)
+{
+	mNormalID = getMaterialField<LLSD::UUID>(material_data, MATERIALS_CAP_NORMAL_MAP_FIELD, LLSD::TypeUUID);
+	mNormalOffsetX  = (F32)getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_NORMAL_MAP_OFFSET_X_FIELD, LLSD::TypeInteger) / MATERIALS_MULTIPLIER;
+	mNormalOffsetY  = (F32)getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_NORMAL_MAP_OFFSET_Y_FIELD, LLSD::TypeInteger) / MATERIALS_MULTIPLIER;
+	mNormalRepeatX  = (F32)getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_NORMAL_MAP_REPEAT_X_FIELD, LLSD::TypeInteger) / MATERIALS_MULTIPLIER;
+	mNormalRepeatY  = (F32)getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_NORMAL_MAP_REPEAT_Y_FIELD, LLSD::TypeInteger) / MATERIALS_MULTIPLIER;
+	mNormalRotation = (F32)getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_NORMAL_MAP_ROTATION_FIELD, LLSD::TypeInteger) / MATERIALS_MULTIPLIER;
+
+	mSpecularID = getMaterialField<LLSD::UUID>(material_data, MATERIALS_CAP_SPECULAR_MAP_FIELD, LLSD::TypeUUID);
+	mSpecularOffsetX  = (F32)getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_SPECULAR_MAP_OFFSET_X_FIELD, LLSD::TypeInteger) / MATERIALS_MULTIPLIER;
+	mSpecularOffsetY  = (F32)getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_SPECULAR_MAP_OFFSET_Y_FIELD, LLSD::TypeInteger) / MATERIALS_MULTIPLIER;
+	mSpecularRepeatX  = (F32)getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_SPECULAR_MAP_REPEAT_X_FIELD, LLSD::TypeInteger) / MATERIALS_MULTIPLIER;
+	mSpecularRepeatY  = (F32)getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_SPECULAR_MAP_REPEAT_Y_FIELD, LLSD::TypeInteger) / MATERIALS_MULTIPLIER;
+	mSpecularRotation = (F32)getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_SPECULAR_MAP_ROTATION_FIELD, LLSD::TypeInteger) / MATERIALS_MULTIPLIER;
+
+	mSpecularLightColor.setValue(getMaterialField<LLSD>(material_data, MATERIALS_CAP_SPECULAR_COLOR_FIELD, LLSD::TypeArray));
+	mSpecularLightExponent = (U8)getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_SPECULAR_EXP_FIELD,       LLSD::TypeInteger);
+	mEnvironmentIntensity  = (U8)getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_ENV_INTENSITY_FIELD,      LLSD::TypeInteger);
+	mDiffuseAlphaMode      = (U8)getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_DIFFUSE_ALPHA_MODE_FIELD, LLSD::TypeInteger);
+	mAlphaMaskCutoff       = (U8)getMaterialField<LLSD::Integer>(material_data, MATERIALS_CAP_ALPHA_MASK_CUTOFF_FIELD,  LLSD::TypeInteger);
+}
+
+bool LLMaterial::isNull() const
+{
+	return (*this == null);
+}
+
+bool LLMaterial::operator == (const LLMaterial& rhs) const
+{
+	return 
+		(mNormalID == rhs.mNormalID) && (mNormalOffsetX == rhs.mNormalOffsetX) && (mNormalOffsetY == rhs.mNormalOffsetY) &&
+		(mNormalRepeatX == rhs.mNormalRepeatX) && (mNormalRepeatY == rhs.mNormalRepeatY) && (mNormalRotation == rhs.mNormalRotation) &&
+		(mSpecularID == rhs.mSpecularID) && (mSpecularOffsetX == rhs.mSpecularOffsetX) && (mSpecularOffsetY == rhs.mSpecularOffsetY) &&
+		(mSpecularRepeatX == rhs.mSpecularRepeatX) && (mSpecularRepeatY == rhs.mSpecularRepeatY) && (mSpecularRotation == rhs.mSpecularRotation) &&
+		(mSpecularLightColor == rhs.mSpecularLightColor) && (mSpecularLightExponent == rhs.mSpecularLightExponent) &&
+		(mEnvironmentIntensity == rhs.mEnvironmentIntensity) && (mDiffuseAlphaMode == rhs.mDiffuseAlphaMode) && (mAlphaMaskCutoff == rhs.mAlphaMaskCutoff);
+}
+
+bool LLMaterial::operator != (const LLMaterial& rhs) const
+{
+	return !(*this == rhs);
+}
+
+
+U32 LLMaterial::getShaderMask(U32 alpha_mode)
+{ //NEVER incorporate this value into the message system -- this function will vary depending on viewer implementation
+	U32 ret = 0;
+
+	//two least significant bits are "diffuse alpha mode"
+	if (alpha_mode != DIFFUSE_ALPHA_MODE_DEFAULT)
+	{
+		ret = alpha_mode;
+	}
+	else
+	{
+		ret = getDiffuseAlphaMode();
+	}
+
+	llassert(ret < SHADER_COUNT);
+
+	//next bit is whether or not specular map is present
+	const U32 SPEC_BIT = 0x4;
+
+	if (getSpecularID().notNull())
+	{
+		ret |= SPEC_BIT;
+	}
+
+	llassert(ret < SHADER_COUNT);
+	
+	//next bit is whether or not normal map is present
+	const U32 NORM_BIT = 0x8;
+	if (getNormalID().notNull())
+	{
+		ret |= NORM_BIT;
+	}
+
+	llassert(ret < SHADER_COUNT);
+
+	return ret;
+}
+
+