void LLDrawPoolTree::renderTree(BOOL selecting)
{
LLGLState normalize(GL_NORMALIZE, TRUE);
// Bind the texture for this tree.
gGL.getTexUnit(sDiffTex)->bind(mTexturep.get(), TRUE);
U32 indices_drawn = 0;
glMatrixMode(GL_MODELVIEW);
for (std::vector<LLFace*>::iterator iter = mDrawFace.begin();
iter != mDrawFace.end(); iter++)
{
LLFace *face = *iter;
LLDrawable *drawablep = face->getDrawable();
if (drawablep->isDead() || !face->getVertexBuffer())
{
continue;
}
face->getVertexBuffer()->setBuffer(LLDrawPoolTree::VERTEX_DATA_MASK);
U16* indicesp = (U16*) face->getVertexBuffer()->getIndicesPointer();
// Render each of the trees
LLVOTree *treep = (LLVOTree *)drawablep->getVObj().get();
LLColor4U color(255,255,255,255);
if (!selecting || treep->mGLName != 0)
{
if (selecting)
{
S32 name = treep->mGLName;
color = LLColor4U((U8)(name >> 16), (U8)(name >> 8), (U8)name, 255);
}
gGLLastMatrix = NULL;
glLoadMatrixd(gGLModelView);
//glPushMatrix();
F32 mat[16];
for (U32 i = 0; i < 16; i++)
mat[i] = (F32) gGLModelView[i];
LLMatrix4 matrix(mat);
// Translate to tree base HACK - adjustment in Z plants tree underground
const LLVector3 &pos_agent = treep->getPositionAgent();
//glTranslatef(pos_agent.mV[VX], pos_agent.mV[VY], pos_agent.mV[VZ] - 0.1f);
LLMatrix4 trans_mat;
trans_mat.setTranslation(pos_agent.mV[VX], pos_agent.mV[VY], pos_agent.mV[VZ] - 0.1f);
trans_mat *= matrix;
// Rotate to tree position and bend for current trunk/wind
// Note that trunk stiffness controls the amount of bend at the trunk as
// opposed to the crown of the tree
//
const F32 TRUNK_STIFF = 22.f;
LLQuaternion rot =
LLQuaternion(treep->mTrunkBend.magVec()*TRUNK_STIFF*DEG_TO_RAD, LLVector4(treep->mTrunkBend.mV[VX], treep->mTrunkBend.mV[VY], 0)) *
LLQuaternion(90.f*DEG_TO_RAD, LLVector4(0,0,1)) *
treep->getRotation();
LLMatrix4 rot_mat(rot);
rot_mat *= trans_mat;
F32 radius = treep->getScale().magVec()*0.05f;
LLMatrix4 scale_mat;
scale_mat.mMatrix[0][0] =
scale_mat.mMatrix[1][1] =
scale_mat.mMatrix[2][2] = radius;
scale_mat *= rot_mat;
const F32 THRESH_ANGLE_FOR_BILLBOARD = 15.f;
const F32 BLEND_RANGE_FOR_BILLBOARD = 3.f;
F32 droop = treep->mDroop + 25.f*(1.f - treep->mTrunkBend.magVec());
S32 stop_depth = 0;
F32 app_angle = treep->getAppAngle()*LLVOTree::sTreeFactor;
F32 alpha = 1.0;
S32 trunk_LOD = LLVOTree::sMAX_NUM_TREE_LOD_LEVELS;
for (S32 j = 0; j < 4; j++)
{
if (app_angle > LLVOTree::sLODAngles[j])
{
trunk_LOD = j;
break;
}
}
if(trunk_LOD >= LLVOTree::sMAX_NUM_TREE_LOD_LEVELS)
{
continue ; //do not render.
}
if (app_angle < (THRESH_ANGLE_FOR_BILLBOARD - BLEND_RANGE_FOR_BILLBOARD))
{
//
// Draw only the billboard
//
// Only the billboard, can use closer to normal alpha func.
stop_depth = -1;
LLFacePool::LLOverrideFaceColor clr(this, color);
indices_drawn += treep->drawBranchPipeline(scale_mat, indicesp, trunk_LOD, stop_depth, treep->mDepth, treep->mTrunkDepth, 1.0, treep->mTwist, droop, treep->mBranches, alpha);
}
else // if (app_angle > (THRESH_ANGLE_FOR_BILLBOARD + BLEND_RANGE_FOR_BILLBOARD))
{
//
// Draw only the full geometry tree
//
//stop_depth = (app_angle < THRESH_ANGLE_FOR_RECURSION_REDUCTION);
LLFacePool::LLOverrideFaceColor clr(this, color);
indices_drawn += treep->drawBranchPipeline(scale_mat, indicesp, trunk_LOD, stop_depth, treep->mDepth, treep->mTrunkDepth, 1.0, treep->mTwist, droop, treep->mBranches, alpha);
}
//glPopMatrix();
}
}
}
void LLDrawPoolTree::renderTree(BOOL selecting)
{
LLGLState normalize(GL_NORMALIZE, TRUE);
// Bind the texture for this tree.
LLViewerImage::bindTexture(mTexturep,sDiffTex);
if (mTexturep)
{
if (mTexturep->getClampS()) {
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
}
if (mTexturep->getClampT()) {
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
}
}
U32 indices_drawn = 0;
glMatrixMode(GL_MODELVIEW);
for (std::vector<LLFace*>::iterator iter = mDrawFace.begin();
iter != mDrawFace.end(); iter++)
{
LLFace *face = *iter;
LLDrawable *drawablep = face->getDrawable();
if (drawablep->isDead() || face->mVertexBuffer.isNull())
{
continue;
}
face->mVertexBuffer->setBuffer(LLDrawPoolTree::VERTEX_DATA_MASK);
U32* indicesp = (U32*) face->mVertexBuffer->getIndicesPointer();
// Render each of the trees
LLVOTree *treep = (LLVOTree *)drawablep->getVObj();
LLColor4U color(255,255,255,255);
if (!selecting || treep->mGLName != 0)
{
if (selecting)
{
S32 name = treep->mGLName;
color = LLColor4U((U8)(name >> 16), (U8)(name >> 8), (U8)name, 255);
}
glPushMatrix();
// Translate to tree base HACK - adjustment in Z plants tree underground
const LLVector3 &pos_agent = treep->getPositionAgent();
glTranslatef(pos_agent.mV[VX], pos_agent.mV[VY], pos_agent.mV[VZ] - 0.1f);
// Rotate to tree position
F32 angle_radians, x, y, z;
treep->getRotation().getAngleAxis(&angle_radians, &x, &y, &z);
glRotatef(angle_radians * RAD_TO_DEG, x, y, z);
// Rotate and bend for current trunk/wind
// Note that trunk stiffness controls the amount of bend at the trunk as
// opposed to the crown of the tree
//
glRotatef(90.f, 0, 0, 1);
const F32 TRUNK_STIFF = 22.f;
glRotatef(treep->mTrunkBend.magVec()*TRUNK_STIFF, treep->mTrunkBend.mV[VX], treep->mTrunkBend.mV[VY], 0);
F32 radius = treep->getScale().magVec()*0.5f;
radius *= 0.1f;
glScalef(radius, radius, radius);
const F32 THRESH_ANGLE_FOR_BILLBOARD = 15.f;
const F32 BLEND_RANGE_FOR_BILLBOARD = 3.f;
F32 droop = treep->mDroop + 25.f*(1.f - treep->mTrunkBend.magVec());
S32 stop_depth = 0;
F32 app_angle = treep->getAppAngle()*LLVOTree::sTreeFactor;
F32 alpha = 1.0;
S32 trunk_LOD = 0;
for (S32 j = 0; j < 4; j++)
{
if (app_angle > LLVOTree::sLODAngles[j])
{
trunk_LOD = j;
break;
}
}
if (app_angle < (THRESH_ANGLE_FOR_BILLBOARD - BLEND_RANGE_FOR_BILLBOARD))
{
//
// Draw only the billboard
//
// Only the billboard, can use closer to normal alpha func.
stop_depth = -1;
LLFacePool::LLOverrideFaceColor clr(this, color);
indices_drawn += treep->drawBranchPipeline(indicesp, trunk_LOD, stop_depth, treep->mDepth, treep->mTrunkDepth, 1.0, treep->mTwist, droop, treep->mBranches, alpha);
}
else // if (app_angle > (THRESH_ANGLE_FOR_BILLBOARD + BLEND_RANGE_FOR_BILLBOARD))
{
//
// Draw only the full geometry tree
//
//stop_depth = (app_angle < THRESH_ANGLE_FOR_RECURSION_REDUCTION);
LLFacePool::LLOverrideFaceColor clr(this, color);
indices_drawn += treep->drawBranchPipeline(indicesp, trunk_LOD, stop_depth, treep->mDepth, treep->mTrunkDepth, 1.0, treep->mTwist, droop, treep->mBranches, alpha);
}
glPopMatrix();
}
}
if (mTexturep)
{
if (mTexturep->getClampS()) {
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
}
if (mTexturep->getClampT()) {
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
}
}
addIndicesDrawn(indices_drawn);
}