summaryrefslogtreecommitdiff
path: root/indra/llappearance/llpolymesh.h
diff options
context:
space:
mode:
Diffstat (limited to 'indra/llappearance/llpolymesh.h')
-rw-r--r--indra/llappearance/llpolymesh.h369
1 files changed, 369 insertions, 0 deletions
diff --git a/indra/llappearance/llpolymesh.h b/indra/llappearance/llpolymesh.h
new file mode 100644
index 0000000000..ef1dfb1adb
--- /dev/null
+++ b/indra/llappearance/llpolymesh.h
@@ -0,0 +1,369 @@
+/**
+ * @file llpolymesh.h
+ * @brief Implementation of LLPolyMesh class
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLPOLYMESHINTERFACE_H
+#define LL_LLPOLYMESHINTERFACE_H
+
+#include <string>
+#include <map>
+#include "llstl.h"
+
+#include "v3math.h"
+#include "v2math.h"
+#include "llquaternion.h"
+#include "llpolymorph.h"
+#include "lljoint.h"
+//#include "lldarray.h"
+
+class LLSkinJoint;
+class LLAvatarAppearance;
+class LLWearable;
+
+//#define USE_STRIPS // Use tri-strips for rendering.
+
+//-----------------------------------------------------------------------------
+// LLPolyFace
+// A set of 4 vertex indices.
+// An LLPolyFace can represent either a triangle or quad.
+// If the last index is -1, it's a triangle.
+//-----------------------------------------------------------------------------
+typedef S32 LLPolyFace[3];
+
+//struct PrimitiveGroup;
+
+//-----------------------------------------------------------------------------
+// LLPolyMesh
+// A polyhedra consisting of any number of triangles and quads.
+// All instances contain a set of faces, and optionally may include
+// faces grouped into named face sets.
+//-----------------------------------------------------------------------------
+class LLPolyMorphTarget;
+
+class LLPolyMeshSharedData
+{
+ friend class LLPolyMesh;
+private:
+ // transform data
+ LLVector3 mPosition;
+ LLQuaternion mRotation;
+ LLVector3 mScale;
+
+ // vertex data
+ S32 mNumVertices;
+ LLVector4a *mBaseCoords;
+ LLVector4a *mBaseNormals;
+ LLVector4a *mBaseBinormals;
+ LLVector2 *mTexCoords;
+ LLVector2 *mDetailTexCoords;
+ F32 *mWeights;
+
+ BOOL mHasWeights;
+ BOOL mHasDetailTexCoords;
+
+ // face data
+ S32 mNumFaces;
+ LLPolyFace *mFaces;
+
+ // face set data
+ U32 mNumJointNames;
+ std::string* mJointNames;
+
+ // morph targets
+ typedef std::set<LLPolyMorphData*> morphdata_list_t;
+ morphdata_list_t mMorphData;
+
+ std::map<S32, S32> mSharedVerts;
+
+ LLPolyMeshSharedData* mReferenceData;
+ S32 mLastIndexOffset;
+
+public:
+ // Temporarily...
+ // Triangle indices
+ U32 mNumTriangleIndices;
+ U32 *mTriangleIndices;
+
+public:
+ LLPolyMeshSharedData();
+ ~LLPolyMeshSharedData();
+
+private:
+ void setupLOD(LLPolyMeshSharedData* reference_data);
+
+ // Frees all mesh memory resources
+ void freeMeshData();
+
+ void setPosition( const LLVector3 &pos ) { mPosition = pos; }
+ void setRotation( const LLQuaternion &rot ) { mRotation = rot; }
+ void setScale( const LLVector3 &scale ) { mScale = scale; }
+
+ BOOL allocateVertexData( U32 numVertices );
+
+ BOOL allocateFaceData( U32 numFaces );
+
+ BOOL allocateJointNames( U32 numJointNames );
+
+ // Retrieve the number of KB of memory used by this instance
+ U32 getNumKB();
+
+ // Load mesh data from file
+ BOOL loadMesh( const std::string& fileName );
+
+public:
+ void genIndices(S32 offset);
+
+ const LLVector2 &getUVs(U32 index);
+
+ const S32 *getSharedVert(S32 vert);
+
+ BOOL isLOD() { return (mReferenceData != NULL); }
+};
+
+
+class LLJointRenderData
+{
+public:
+ LLJointRenderData(const LLMatrix4* world_matrix, LLSkinJoint* skin_joint) : mWorldMatrix(world_matrix), mSkinJoint(skin_joint) {}
+ ~LLJointRenderData(){}
+
+ const LLMatrix4* mWorldMatrix;
+ LLSkinJoint* mSkinJoint;
+};
+
+
+class LLPolyMesh
+{
+public:
+
+ // Constructor
+ LLPolyMesh(LLPolyMeshSharedData *shared_data, LLPolyMesh *reference_mesh);
+
+ // Destructor
+ ~LLPolyMesh();
+
+ // Requests a mesh by name.
+ // If the mesh already exists in the global mesh table, it is returned,
+ // otherwise it is loaded from file, added to the table, and returned.
+ static LLPolyMesh *getMesh( const std::string &name, LLPolyMesh* reference_mesh = NULL);
+
+ // Frees all loaded meshes.
+ // This should only be called once you know there are no outstanding
+ // references to these objects. Generally, upon exit of the application.
+ static void freeAllMeshes();
+
+ //--------------------------------------------------------------------
+ // Transform Data Access
+ //--------------------------------------------------------------------
+ // Get position
+ const LLVector3 &getPosition() {
+ llassert (mSharedData);
+ return mSharedData->mPosition;
+ }
+
+ // Get rotation
+ const LLQuaternion &getRotation() {
+ llassert (mSharedData);
+ return mSharedData->mRotation;
+ }
+
+ // Get scale
+ const LLVector3 &getScale() {
+ llassert (mSharedData);
+ return mSharedData->mScale;
+ }
+
+ //--------------------------------------------------------------------
+ // Vertex Data Access
+ //--------------------------------------------------------------------
+ // Get number of vertices
+ U32 getNumVertices() {
+ llassert (mSharedData);
+ return mSharedData->mNumVertices;
+ }
+
+ // Returns whether or not the mesh has detail texture coords
+ BOOL hasDetailTexCoords() {
+ llassert (mSharedData);
+ return mSharedData->mHasDetailTexCoords;
+ }
+
+ // Returns whether or not the mesh has vertex weights
+ BOOL hasWeights() const{
+ llassert (mSharedData);
+ return mSharedData->mHasWeights;
+ }
+
+ // Get coords
+ const LLVector4a *getCoords() const{
+ return mCoords;
+ }
+
+ // non const version
+ LLVector4a *getWritableCoords();
+
+ // Get normals
+ const LLVector4a *getNormals() const{
+ return mNormals;
+ }
+
+ // Get normals
+ const LLVector4a *getBinormals() const{
+ return mBinormals;
+ }
+
+ // Get base mesh normals
+ const LLVector4a *getBaseNormals() const{
+ llassert(mSharedData);
+ return mSharedData->mBaseNormals;
+ }
+
+ // Get base mesh normals
+ const LLVector4a *getBaseBinormals() const{
+ llassert(mSharedData);
+ return mSharedData->mBaseBinormals;
+ }
+
+ // intermediate morphed normals and output normals
+ LLVector4a *getWritableNormals();
+ LLVector4a *getScaledNormals();
+
+ LLVector4a *getWritableBinormals();
+ LLVector4a *getScaledBinormals();
+
+ // Get texCoords
+ const LLVector2 *getTexCoords() const {
+ return mTexCoords;
+ }
+
+ // non const version
+ LLVector2 *getWritableTexCoords();
+
+ // Get detailTexCoords
+ const LLVector2 *getDetailTexCoords() const {
+ llassert (mSharedData);
+ return mSharedData->mDetailTexCoords;
+ }
+
+ // Get weights
+ const F32 *getWeights() const {
+ llassert (mSharedData);
+ return mSharedData->mWeights;
+ }
+
+ F32 *getWritableWeights() const;
+
+ LLVector4a *getWritableClothingWeights();
+
+ const LLVector4a *getClothingWeights()
+ {
+ return mClothingWeights;
+ }
+
+ //--------------------------------------------------------------------
+ // Face Data Access
+ //--------------------------------------------------------------------
+ // Get number of faces
+ S32 getNumFaces() {
+ llassert (mSharedData);
+ return mSharedData->mNumFaces;
+ }
+
+ // Get faces
+ LLPolyFace *getFaces() {
+ llassert (mSharedData);
+ return mSharedData->mFaces;
+ }
+
+ U32 getNumJointNames() {
+ llassert (mSharedData);
+ return mSharedData->mNumJointNames;
+ }
+
+ std::string *getJointNames() {
+ llassert (mSharedData);
+ return mSharedData->mJointNames;
+ }
+
+ LLPolyMorphData* getMorphData(const std::string& morph_name);
+// void removeMorphData(LLPolyMorphData *morph_target);
+// void deleteAllMorphData();
+
+ LLPolyMeshSharedData *getSharedData() const;
+ LLPolyMesh *getReferenceMesh() { return mReferenceMesh ? mReferenceMesh : this; }
+
+ // Get indices
+ U32* getIndices() { return mSharedData ? mSharedData->mTriangleIndices : NULL; }
+
+ BOOL isLOD() { return mSharedData && mSharedData->isLOD(); }
+
+ void setAvatar(LLAvatarAppearance* avatarp) { mAvatarp = avatarp; }
+ LLAvatarAppearance* getAvatar() { return mAvatarp; }
+
+ LLDynamicArray<LLJointRenderData*> mJointRenderData;
+
+ U32 mFaceVertexOffset;
+ U32 mFaceVertexCount;
+ U32 mFaceIndexOffset;
+ U32 mFaceIndexCount;
+ U32 mCurVertexCount;
+private:
+ void initializeForMorph();
+
+ // Dumps diagnostic information about the global mesh table
+ static void dumpDiagInfo();
+
+protected:
+ // mesh data shared across all instances of a given mesh
+ LLPolyMeshSharedData *mSharedData;
+ // Single array of floats for allocation / deletion
+ F32 *mVertexData;
+ // deformed vertices (resulting from application of morph targets)
+ LLVector4a *mCoords;
+ // deformed normals (resulting from application of morph targets)
+ LLVector4a *mScaledNormals;
+ // output normals (after normalization)
+ LLVector4a *mNormals;
+ // deformed binormals (resulting from application of morph targets)
+ LLVector4a *mScaledBinormals;
+ // output binormals (after normalization)
+ LLVector4a *mBinormals;
+ // weight values that mark verts as clothing/skin
+ LLVector4a *mClothingWeights;
+ // output texture coordinates
+ LLVector2 *mTexCoords;
+
+ LLPolyMesh *mReferenceMesh;
+
+ // global mesh list
+ typedef std::map<std::string, LLPolyMeshSharedData*> LLPolyMeshSharedDataTable;
+ static LLPolyMeshSharedDataTable sGlobalSharedMeshList;
+
+ // Backlink only; don't make this an LLPointer.
+ LLAvatarAppearance* mAvatarp;
+};
+
+#endif // LL_LLPOLYMESHINTERFACE_H
+