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Merge pull request #1528 from irei1as/patch-1

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New script function to edit script-created decals
This commit is contained in:
Anis 2016-02-26 14:57:18 +01:00
commit 42f7ee3930
1 changed files with 45 additions and 0 deletions
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45
Engine/source/T3D/decal/decalManager.cpp
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@ -1744,3 +1744,48 @@ DefineEngineFunction( decalManagerRemoveDecal, bool, ( S32 decalID ),,
gDecalManager->removeDecal(inst);
return true;
}
DefineEngineFunction( decalManagerEditDecal, bool, ( S32 decalID, Point3F pos, Point3F normal, F32 rotAroundNormal, F32 decalScale ),,
"Edit specified decal of the decal manager.\n"
"@param decalID ID of the decal to edit.\n"
"@param pos World position for the decal.\n"
"@param normal Decal normal vector (if the decal was a tire lying flat on a "
"surface, this is the vector pointing in the direction of the axle).\n"
"@param rotAroundNormal Angle (in radians) to rotate this decal around its normal vector.\n"
"@param decalScale Scale factor applied to the decal.\n"
"@return Returns true if successful, false if decalID not found.\n"
"" )
{
DecalInstance *decalInstance = gDecalManager->getDecal( decalID );
if( !decalInstance )
return false;
//Internally we need Point3F tangent instead of the user friendly F32 rotAroundNormal
MatrixF mat( true );
MathUtils::getMatrixFromUpVector( normal, &mat );
AngAxisF rot( normal, rotAroundNormal );
MatrixF rotmat;
rot.setMatrix( &rotmat );
mat.mul( rotmat );
Point3F tangent;
mat.getColumn( 1, &tangent );
//if everything is unchanged just do nothing and return "everything is ok"
if ( pos.equal(decalInstance->mPosition) &&
normal.equal(decalInstance->mNormal) &&
tangent.equal(decalInstance->mTangent) &&
mFabs( decalInstance->mSize - (decalInstance->mDataBlock->size * decalScale) ) < POINT_EPSILON )
return true;
decalInstance->mPosition = pos;
decalInstance->mNormal = normal;
decalInstance->mTangent = tangent;
decalInstance->mSize = decalInstance->mDataBlock->size * decalScale;
gDecalManager->clipDecal( decalInstance, NULL, NULL);
gDecalManager->notifyDecalModified( decalInstance );
return true;
}