int DecalManager::addTerrainSplineDecal(Ogre::SimpleSpline *spline, float width, Ogre::Vector2 numSeg, Ogre::Vector2 uvSeg, Ogre::String materialname, float ground_offset, Ogre::String export_fn, bool debug)
{
#if 0
Ogre::ManualObject *mo = gEnv->ogreSceneManager->createManualObject();
String oname = mo->getName();
SceneNode *mo_node = terrain_decals_snode->createChildSceneNode();
mo->begin(materialname, Ogre::RenderOperation::OT_TRIANGLE_LIST);
AxisAlignedBox *aab=new AxisAlignedBox();
int offset = 0;
// how width is the road?
float delta_width = width / numSeg.x;
float steps_len = 1.0f / numSeg.x;
for (int l = 0; l<=numSeg.x; l++)
{
// get current position on that spline
Vector3 pos_cur = spline->interpolate(steps_len * (float)l);
Vector3 pos_next = spline->interpolate(steps_len * (float)(l + 1));
Ogre::Vector3 direction = (pos_next - pos_cur);
if (l == numSeg.x)
{
// last segment uses previous position
pos_next = spline->interpolate(steps_len * (float)(l - 1));
direction = (pos_cur - pos_next);
}
for (int w = 0; w<=numSeg.y; w++)
{
// build vector for the width
Vector3 wn = direction.normalisedCopy().crossProduct(Vector3::UNIT_Y);
// calculate the offset, spline in the middle
Vector3 offset = (-0.5 * wn * width) + (w/numSeg.y) * wn * width;
// push everything together
Ogre::Vector3 pos = pos_cur + offset;
// get ground height there
pos.y = hfinder->getHeightAt(pos.x, pos.z) + ground_offset;
// add the position to the mesh
mo->position(pos);
aab->merge(pos);
mo->textureCoord(l/(Ogre::Real)numSeg.x*uvSeg.x, w/(Ogre::Real)numSeg.y*uvSeg.y);
mo->normal(Vector3::UNIT_Y);
}
}
bool reverse = false;
for (int n1 = 0; n1<numSeg.x; n1++)
{
for (int n2 = 0; n2<numSeg.y; n2++)
{
if (reverse)
{
mo->index(offset+0);
mo->index(offset+(numSeg.y+1));
mo->index(offset+1);
mo->index(offset+1);
mo->index(offset+(numSeg.y+1));
mo->index(offset+(numSeg.y+1)+1);
}
else
{
mo->index(offset+0);
mo->index(offset+1);
mo->index(offset+(numSeg.y+1));
mo->index(offset+1);
mo->index(offset+(numSeg.y+1)+1);
mo->index(offset+(numSeg.y+1));
}
offset++;
}
offset++;
}
offset+=numSeg.y+1;
mo->end();
mo->setBoundingBox(*aab);
// some optimizations
mo->setCastShadows(false);
mo->setDynamic(false);
delete(aab);
MeshPtr mesh = mo->convertToMesh(oname+"_mesh");
// build edgelist
mesh->buildEdgeList();
// remove the manualobject again, since we dont need it anymore
gEnv->ogreSceneManager->destroyManualObject(mo);
unsigned short src, dest;
if (!mesh->suggestTangentVectorBuildParams(VES_TANGENT, src, dest))
{
mesh->buildTangentVectors(VES_TANGENT, src, dest);
}
Entity *ent = gEnv->ogreSceneManager->createEntity(oname+"_ent", oname+"_mesh");
mo_node->attachObject(ent);
mo_node->setVisible(true);
//mo_node->showBoundingBox(true);
mo_node->setPosition(Vector3::ZERO); //(position.x, 0, position.z));
if (!export_fn.empty())
{
MeshSerializer *ms = new MeshSerializer();
ms->exportMesh(mesh.get(), export_fn);
LOG("spline mesh exported as " + export_fn);
delete(ms);
}
// TBD: RTSS
//Ogre::RTShader::ShaderGenerator::getSingleton().createShaderBasedTechnique(materialname, Ogre::MaterialManager::DEFAULT_SCHEME_NAME, Ogre::RTShader::ShaderGenerator::DEFAULT_SCHEME_NAME);
//Ogre::RTShader::ShaderGenerator::getSingleton().invalidateMaterial(RTShader::ShaderGenerator::DEFAULT_SCHEME_NAME, materialname);
RTSSgenerateShadersForMaterial(materialname, "");
#endif
return 0;
}
int DecalManager::addTerrainDecal(Ogre::Vector3 position, Ogre::Vector2 size, Ogre::Vector2 numSeg, Ogre::Real rotation, Ogre::String materialname, Ogre::String normalname)
{
#if 0
Ogre::ManualObject *mo = gEnv->ogreSceneManager->createManualObject();
String oname = mo->getName();
SceneNode *mo_node = terrain_decals_snode->createChildSceneNode();
mo->begin(materialname, Ogre::RenderOperation::OT_TRIANGLE_LIST);
AxisAlignedBox *aab=new AxisAlignedBox();
float uTile = 1, vTile = 1;
Vector3 normal = Vector3(0,1,0); // UP
int offset = 0;
float ground_dist = 0.001f;
Ogre::Vector3 vX = normal.perpendicular();
Ogre::Vector3 vY = normal.crossProduct(vX);
Ogre::Vector3 delta1 = size.x / numSeg.x * vX;
Ogre::Vector3 delta2 = size.y / numSeg.y * vY;
// build one corner of the square
Ogre::Vector3 orig = -0.5*size.x*vX - 0.5*size.y*vY;
for (int i1 = 0; i1<=numSeg.x; i1++)
for (int i2 = 0; i2<=numSeg.y; i2++)
{
Vector3 pos = orig+i1*delta1+i2*delta2 + position;
pos.y = hfinder->getHeightAt(pos.x, pos.z) + ground_dist;
mo->position(pos);
aab->merge(pos);
mo->textureCoord(i1/(Ogre::Real)numSeg.x*uTile, i2/(Ogre::Real)numSeg.y*vTile);
mo->normal(normal);
}
bool reverse = false;
if (delta1.crossProduct(delta2).dotProduct(normal)>0)
reverse= true;
for (int n1 = 0; n1<numSeg.x; n1++)
{
for (int n2 = 0; n2<numSeg.y; n2++)
{
if (reverse)
{
mo->index(offset+0);
mo->index(offset+(numSeg.y+1));
mo->index(offset+1);
mo->index(offset+1);
mo->index(offset+(numSeg.y+1));
mo->index(offset+(numSeg.y+1)+1);
}
else
{
mo->index(offset+0);
mo->index(offset+1);
mo->index(offset+(numSeg.y+1));
mo->index(offset+1);
mo->index(offset+(numSeg.y+1)+1);
mo->index(offset+(numSeg.y+1));
}
offset++;
}
offset++;
}
offset+=numSeg.y+1;
mo->end();
mo->setBoundingBox(*aab);
// some optimizations
mo->setCastShadows(false);
mo->setDynamic(false);
delete(aab);
MeshPtr mesh = mo->convertToMesh(oname+"_mesh");
// build edgelist
mesh->buildEdgeList();
// remove the manualobject again, since we dont need it anymore
gEnv->ogreSceneManager->destroyManualObject(mo);
unsigned short src, dest;
if (!mesh->suggestTangentVectorBuildParams(VES_TANGENT, src, dest))
{
mesh->buildTangentVectors(VES_TANGENT, src, dest);
}
Entity *ent = gEnv->ogreSceneManager->createEntity(oname+"_ent", oname+"_mesh");
mo_node->attachObject(ent);
mo_node->setVisible(true);
//mo_node->showBoundingBox(true);
mo_node->setPosition(Vector3::ZERO); //(position.x, 0, position.z));
// RTSS
//Ogre::RTShader::ShaderGenerator::getSingleton().createShaderBasedTechnique(materialname, Ogre::MaterialManager::DEFAULT_SCHEME_NAME, Ogre::RTShader::ShaderGenerator::DEFAULT_SCHEME_NAME);
//Ogre::RTShader::ShaderGenerator::getSingleton().invalidateMaterial(RTShader::ShaderGenerator::DEFAULT_SCHEME_NAME, materialname);
RTSSgenerateShadersForMaterial(materialname, normalname);
#endif
return 0;
}
void OgreRecast::update()
{
// Fully rebuild static geometry after a reset (when tiles should be removed)
if(m_rebuildSg) {
m_sg->reset();
// Add navmesh tiles (polys) to static geometry
Ogre::SceneManager::MovableObjectIterator iterator = m_pSceneMgr->getMovableObjectIterator("Entity");
while(iterator.hasMoreElements())
{
Ogre::Entity* ent = static_cast<Ogre::Entity*>(iterator.getNext());
// Add all navmesh poly debug entities
if(Ogre::StringUtil::startsWith(ent->getName(), "ent_recastmowalk_"))
m_sg->addEntity(ent, Ogre::Vector3::ZERO);
}
m_sg->build();
// Batch all lines together in one single manualObject (since we cannot use staticGeometry for lines)
if(m_pSceneMgr->hasManualObject("AllNeighbourLines")) {
m_pRecastSN->detachObject("AllNeighbourLines") ;
m_pSceneMgr->destroyManualObject("AllNeighbourLines");
}
if(m_pSceneMgr->hasManualObject("AllBoundaryLines")) {
m_pRecastSN->detachObject("AllBoundaryLines") ;
m_pSceneMgr->destroyManualObject("AllBoundaryLines");
}
Ogre::ManualObject *allNeighbourLines = m_pSceneMgr->createManualObject("AllNeighbourLines");
allNeighbourLines->begin("recastdebug", Ogre::RenderOperation::OT_LINE_LIST);
allNeighbourLines->colour(m_navmeshNeighbourEdgeCol);
Ogre::ManualObject *allBoundaryLines = m_pSceneMgr->createManualObject("AllBoundaryLines");
allBoundaryLines->begin("recastdebug", Ogre::RenderOperation::OT_LINE_LIST);
allBoundaryLines->colour(m_navmeshOuterEdgeCol);
iterator = m_pSceneMgr->getMovableObjectIterator("ManualObject");
while(iterator.hasMoreElements())
{
Ogre::ManualObject* man = static_cast<Ogre::ManualObject*>(iterator.getNext());
if(Ogre::StringUtil::startsWith(man->getName(), "recastmoneighbour_")) {
std::vector<Ogre::Vector3> verts = getManualObjectVertices(man);
for(std::vector<Ogre::Vector3>::iterator iter = verts.begin(); iter != verts.end(); iter++) {
allNeighbourLines->position(*iter);
}
} else if(Ogre::StringUtil::startsWith(man->getName(), "recastmoboundary_")) {
std::vector<Ogre::Vector3> verts = getManualObjectVertices(man);
for(std::vector<Ogre::Vector3>::iterator iter = verts.begin(); iter != verts.end(); iter++) {
allBoundaryLines->position(*iter);
}
}
}
allNeighbourLines->end();
allBoundaryLines->end();
m_pRecastSN->attachObject(allNeighbourLines);
m_pRecastSN->attachObject(allBoundaryLines);
m_rebuildSg = false;
}
}