summaryrefslogtreecommitdiff
path: root/indra/llprimitive
diff options
context:
space:
mode:
Diffstat (limited to 'indra/llprimitive')
-rwxr-xr-xindra/llprimitive/llmodel.cpp360
-rwxr-xr-xindra/llprimitive/llmodel.h103
2 files changed, 219 insertions, 244 deletions
diff --git a/indra/llprimitive/llmodel.cpp b/indra/llprimitive/llmodel.cpp
index 595f9aa307..049cf6b71f 100755
--- a/indra/llprimitive/llmodel.cpp
+++ b/indra/llprimitive/llmodel.cpp
@@ -1333,70 +1333,6 @@ std::string LLModel::getName() const
return mLabel;
}
-//static
-LLSD LLModel::writeModel(
- std::string filename,
- LLModel* physics,
- LLModel* high,
- LLModel* medium,
- LLModel* low,
- LLModel* impostor,
- const convex_hull_decomposition& decomp,
- BOOL upload_skin,
- BOOL upload_joints,
- BOOL nowrite)
-{
- LLModel::hull dummy_hull;
- return writeModel(
- filename,
- physics,
- high,
- medium,
- low,
- impostor,
- decomp,
- dummy_hull,
- upload_skin,
- upload_joints,
- nowrite);
-}
-
-//static
-LLSD LLModel::writeModel(
- std::string filename,
- LLModel* physics,
- LLModel* high,
- LLModel* medium,
- LLModel* low,
- LLModel* impostor,
- const convex_hull_decomposition& decomp,
- const hull& base_hull,
- BOOL upload_skin,
- BOOL upload_joints,
- BOOL nowrite)
-{
- std::ofstream os(
- filename.c_str(),
- std::ofstream::out | std::ofstream::binary);
-
- LLSD header = writeModel(
- os,
- physics,
- high,
- medium,
- low,
- impostor,
- decomp,
- base_hull,
- upload_skin,
- upload_joints,
- nowrite);
-
- os.close();
-
- return header;
-}
-
//static
LLSD LLModel::writeModel(
std::ostream& ostr,
@@ -1405,8 +1341,7 @@ LLSD LLModel::writeModel(
LLModel* medium,
LLModel* low,
LLModel* impostor,
- const convex_hull_decomposition& decomp,
- const hull& base_hull,
+ const LLModel::Decomposition& decomp,
BOOL upload_skin,
BOOL upload_joints,
BOOL nowrite)
@@ -1429,119 +1364,10 @@ LLSD LLModel::writeModel(
mdl["skin"] = high->mSkinInfo.asLLSD(upload_joints);
}
- if (!decomp.empty() || !base_hull.empty())
+ if (!decomp.mBaseHull.empty() ||
+ !decomp.mHull.empty())
{
- //write decomposition block
- // ["decomposition"]["HullList"] -- list of 8 bit integers, each entry represents a hull with specified number of points
- // ["decomposition"]["PositionDomain"]["Min"/"Max"]
- // ["decomposition"]["Position"] -- list of 16-bit integers to be decoded to given domain, encoded 3D points
- // ["decomposition"]["Hull"] -- list of 16-bit integers to be decoded to given domain, encoded 3D points representing a single hull approximation of given shape
-
-
- //get minimum and maximum
- LLVector3 min;
-
- if (decomp.empty())
- {
- min = base_hull[0];
- }
- else
- {
- min = decomp[0][0];
- }
-
- LLVector3 max = min;
-
- LLSD::Binary hulls(decomp.size());
-
- U32 total = 0;
-
- for (U32 i = 0; i < decomp.size(); ++i)
- {
- U32 size = decomp[i].size();
- total += size;
- hulls[i] = (U8) (size);
-
- for (U32 j = 0; j < decomp[i].size(); ++j)
- {
- update_min_max(min, max, decomp[i][j]);
- }
-
- }
-
- for (U32 i = 0; i < base_hull.size(); ++i)
- {
- update_min_max(min, max, base_hull[i]);
- }
-
- mdl["decomposition"]["Min"] = min.getValue();
- mdl["decomposition"]["Max"] = max.getValue();
-
- if (!hulls.empty())
- {
- mdl["decomposition"]["HullList"] = hulls;
- }
-
- if (total > 0)
- {
- LLSD::Binary p(total*3*2);
-
- LLVector3 range = max-min;
-
- U32 vert_idx = 0;
- for (U32 i = 0; i < decomp.size(); ++i)
- {
- for (U32 j = 0; j < decomp[i].size(); ++j)
- {
- for (U32 k = 0; k < 3; k++)
- {
- //convert to 16-bit normalized across domain
- U16 val = (U16) (((decomp[i][j].mV[k]-min.mV[k])/range.mV[k])*65535);
-
- U8* buff = (U8*) &val;
- //write to binary buffer
- p[vert_idx++] = buff[0];
- p[vert_idx++] = buff[1];
-
- if (vert_idx > p.size())
- {
- llerrs << "WTF?" << llendl;
- }
- }
- }
- }
-
- mdl["decomposition"]["Position"] = p;
- }
-
- if (!base_hull.empty())
- {
- LLSD::Binary p(base_hull.size()*3*2);
-
- LLVector3 range = max-min;
-
- U32 vert_idx = 0;
- for (U32 j = 0; j < base_hull.size(); ++j)
- {
- for (U32 k = 0; k < 3; k++)
- {
- //convert to 16-bit normalized across domain
- U16 val = (U16) (((base_hull[j].mV[k]-min.mV[k])/range.mV[k])*65535);
-
- U8* buff = (U8*) &val;
- //write to binary buffer
- p[vert_idx++] = buff[0];
- p[vert_idx++] = buff[1];
-
- if (vert_idx > p.size())
- {
- llerrs << "WTF?" << llendl;
- }
- }
- }
-
- mdl["decomposition"]["Hull"] = p;
- }
+ mdl["decomposition"] = decomp.asLLSD();
}
for (U32 idx = 0; idx < MODEL_NAMES_LENGTH; ++idx)
@@ -1906,7 +1732,11 @@ void LLModel::updateHullCenters()
mHullPoints += mPhysics.mHull[i].size();
}
- mCenterOfHullCenters *= 1.f / mHullPoints;
+ if (mHullPoints > 0)
+ {
+ mCenterOfHullCenters *= 1.f / mHullPoints;
+ llassert(mPhysics.asLLSD().has("HullList"));
+ }
}
bool LLModel::loadModel(std::istream& is)
@@ -2182,19 +2012,33 @@ void LLModel::Decomposition::fromLLSD(LLSD& decomp)
max.setValue(decomp["Max"]);
range = max-min;
+
for (U32 i = 0; i < hulls.size(); ++i)
{
U16 count = (hulls[i] == 0) ? 256 : hulls[i];
+ std::set<U64> valid;
+
+ //must have at least 4 points
+ llassert(count > 3);
+
for (U32 j = 0; j < count; ++j)
{
+ U64 test = (U64) p[0] | ((U64) p[1] << 16) | ((U64) p[2] << 32);
+ //point must be unique
+ //llassert(valid.find(test) == valid.end());
+ valid.insert(test);
mHull[i].push_back(LLVector3(
(F32) p[0]/65535.f*range.mV[0]+min.mV[0],
(F32) p[1]/65535.f*range.mV[1]+min.mV[1],
(F32) p[2]/65535.f*range.mV[2]+min.mV[2]));
p += 3;
- }
+
+ }
+
+ //each hull must contain at least 4 unique points
+ llassert(valid.size() > 3);
}
}
@@ -2208,8 +2052,17 @@ void LLModel::Decomposition::fromLLSD(LLSD& decomp)
LLVector3 max;
LLVector3 range;
- min.setValue(decomp["Min"]);
- max.setValue(decomp["Max"]);
+ if (decomp.has("Min"))
+ {
+ min.setValue(decomp["Min"]);
+ max.setValue(decomp["Max"]);
+ }
+ else
+ {
+ min.set(-0.5f, -0.5f, -0.5f);
+ max.set(0.5f, 0.5f, 0.5f);
+ }
+
range = max-min;
U16 count = position.size()/6;
@@ -2229,7 +2082,145 @@ void LLModel::Decomposition::fromLLSD(LLSD& decomp)
//but contains no base hull
mBaseHullMesh.clear();;
}
+}
+
+LLSD LLModel::Decomposition::asLLSD() const
+{
+ LLSD ret;
+
+ if (mBaseHull.empty() && mHull.empty())
+ { //nothing to write
+ return ret;
+ }
+
+ //write decomposition block
+ // ["decomposition"]["HullList"] -- list of 8 bit integers, each entry represents a hull with specified number of points
+ // ["decomposition"]["PositionDomain"]["Min"/"Max"]
+ // ["decomposition"]["Position"] -- list of 16-bit integers to be decoded to given domain, encoded 3D points
+ // ["decomposition"]["Hull"] -- list of 16-bit integers to be decoded to given domain, encoded 3D points representing a single hull approximation of given shape
+
+
+ //get minimum and maximum
+ LLVector3 min;
+
+ if (mHull.empty())
+ {
+ min = mBaseHull[0];
+ }
+ else
+ {
+ min = mHull[0][0];
+ }
+
+ LLVector3 max = min;
+
+ LLSD::Binary hulls(mHull.size());
+
+ U32 total = 0;
+
+ for (U32 i = 0; i < mHull.size(); ++i)
+ {
+ U32 size = mHull[i].size();
+ total += size;
+ hulls[i] = (U8) (size);
+
+ for (U32 j = 0; j < mHull[i].size(); ++j)
+ {
+ update_min_max(min, max, mHull[i][j]);
+ }
+ }
+
+ for (U32 i = 0; i < mBaseHull.size(); ++i)
+ {
+ update_min_max(min, max, mBaseHull[i]);
+ }
+ ret["Min"] = min.getValue();
+ ret["Max"] = max.getValue();
+
+ if (!hulls.empty())
+ {
+ ret["HullList"] = hulls;
+ }
+
+ if (total > 0)
+ {
+ LLSD::Binary p(total*3*2);
+
+ LLVector3 range = max-min;
+
+ U32 vert_idx = 0;
+
+ for (U32 i = 0; i < mHull.size(); ++i)
+ {
+ std::set<U64> valid;
+
+ llassert(!mHull[i].empty());
+
+ for (U32 j = 0; j < mHull[i].size(); ++j)
+ {
+ U64 test = 0;
+ for (U32 k = 0; k < 3; k++)
+ {
+ //convert to 16-bit normalized across domain
+ U16 val = (U16) (((mHull[i][j].mV[k]-min.mV[k])/range.mV[k])*65535);
+
+ switch (k)
+ {
+ case 0: test = test | (U64) val; break;
+ case 1: test = test | ((U64) val << 16); break;
+ case 2: test = test | ((U64) val << 32); break;
+ };
+
+ valid.insert(test);
+
+ U8* buff = (U8*) &val;
+ //write to binary buffer
+ p[vert_idx++] = buff[0];
+ p[vert_idx++] = buff[1];
+
+ //makes sure we haven't run off the end of the array
+ llassert(vert_idx <= p.size());
+ }
+ }
+
+ //must have at least 4 unique points
+ llassert(valid.size() > 3);
+ }
+
+ ret["Position"] = p;
+ }
+
+ if (!mBaseHull.empty())
+ {
+ LLSD::Binary p(mBaseHull.size()*3*2);
+
+ LLVector3 range = max-min;
+
+ U32 vert_idx = 0;
+ for (U32 j = 0; j < mBaseHull.size(); ++j)
+ {
+ for (U32 k = 0; k < 3; k++)
+ {
+ //convert to 16-bit normalized across domain
+ U16 val = (U16) (((mBaseHull[j].mV[k]-min.mV[k])/range.mV[k])*65535);
+
+ U8* buff = (U8*) &val;
+ //write to binary buffer
+ p[vert_idx++] = buff[0];
+ p[vert_idx++] = buff[1];
+
+ if (vert_idx > p.size())
+ {
+ llerrs << "WTF?" << llendl;
+ }
+ }
+ }
+
+ ret["Hull"] = p;
+ }
+
+ return ret;
}
void LLModel::Decomposition::merge(const LLModel::Decomposition* rhs)
@@ -2256,5 +2247,10 @@ void LLModel::Decomposition::merge(const LLModel::Decomposition* rhs)
{ //take physics shape mesh from rhs
mPhysicsShapeMesh = rhs->mPhysicsShapeMesh;
}
+
+ if (!mHull.empty())
+ { //verify
+ llassert(asLLSD().has("HullList"));
+ }
}
diff --git a/indra/llprimitive/llmodel.h b/indra/llprimitive/llmodel.h
index e9450d2967..962e422a26 100755
--- a/indra/llprimitive/llmodel.h
+++ b/indra/llprimitive/llmodel.h
@@ -71,38 +71,53 @@ public:
//convex_hull_decomposition is a vector of convex hulls
//each convex hull is a set of points
- typedef std::vector<std::vector<LLVector3> > convex_hull_decomposition;
+ typedef std::vector<std::vector<LLVector3> > convex_hull_decomposition;
typedef std::vector<LLVector3> hull;
+ class PhysicsMesh
+ {
+ public:
+ std::vector<LLVector3> mPositions;
+ std::vector<LLVector3> mNormals;
+
+ void clear()
+ {
+ mPositions.clear();
+ mNormals.clear();
+ }
+
+ bool empty() const
+ {
+ return mPositions.empty();
+ }
+ };
+
+ class Decomposition
+ {
+ public:
+ Decomposition() { }
+ Decomposition(LLSD& data);
+ void fromLLSD(LLSD& data);
+ LLSD asLLSD() const;
+
+ void merge(const Decomposition* rhs);
+
+ LLUUID mMeshID;
+ LLModel::convex_hull_decomposition mHull;
+ LLModel::hull mBaseHull;
+
+ std::vector<LLModel::PhysicsMesh> mMesh;
+ LLModel::PhysicsMesh mBaseHullMesh;
+ LLModel::PhysicsMesh mPhysicsShapeMesh;
+ };
+
LLModel(LLVolumeParams& params, F32 detail);
~LLModel();
bool loadModel(std::istream& is);
bool loadSkinInfo(LLSD& header, std::istream& is);
bool loadDecomposition(LLSD& header, std::istream& is);
- static LLSD writeModel(
- std::string filename,
- LLModel* physics,
- LLModel* high,
- LLModel* medium,
- LLModel* low,
- LLModel* imposotr,
- const LLModel::convex_hull_decomposition& convex_hull_decomposition,
- const LLModel::hull& base_hull,
- BOOL upload_skin,
- BOOL upload_joints,
- BOOL nowrite = FALSE);
- static LLSD writeModel(
- std::string filename,
- LLModel* physics,
- LLModel* high,
- LLModel* medium,
- LLModel* low,
- LLModel* imposotr,
- const LLModel::convex_hull_decomposition& convex_hull_decomposition,
- BOOL upload_skin,
- BOOL upload_joints,
- BOOL nowrite = FALSE);
+
static LLSD writeModel(
std::ostream& ostr,
LLModel* physics,
@@ -110,11 +125,11 @@ public:
LLModel* medium,
LLModel* low,
LLModel* imposotr,
- const LLModel::convex_hull_decomposition& convex_hull_decomposition,
- const LLModel::hull& base_hull,
+ const LLModel::Decomposition& decomp,
BOOL upload_skin,
BOOL upload_joints,
BOOL nowrite = FALSE);
+
static LLSD writeModelToStream(
std::ostream& ostr,
LLSD& mdl,
@@ -220,42 +235,6 @@ public:
//ID for storing this model in a .slm file
S32 mLocalID;
- class PhysicsMesh
- {
- public:
- std::vector<LLVector3> mPositions;
- std::vector<LLVector3> mNormals;
-
- void clear()
- {
- mPositions.clear();
- mNormals.clear();
- }
-
- bool empty() const
- {
- return mPositions.empty();
- }
- };
-
- class Decomposition
- {
- public:
- Decomposition() { }
- Decomposition(LLSD& data);
- void fromLLSD(LLSD& data);
-
- void merge(const Decomposition* rhs);
-
- LLUUID mMeshID;
- LLModel::convex_hull_decomposition mHull;
- LLModel::hull mBaseHull;
-
- std::vector<LLModel::PhysicsMesh> mMesh;
- LLModel::PhysicsMesh mBaseHullMesh;
- LLModel::PhysicsMesh mPhysicsShapeMesh;
- };
-
Decomposition mPhysics;
protected:
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 03:09:03 +0000