From 024c0ebe19588f8452bae7ea01756fd7b4b30540 Mon Sep 17 00:00:00 2001 From: "Karl Stiefvater (qarl)" Date: Fri, 29 Jan 2010 14:33:04 -0600 Subject: enable mirror and invert flags for meshes. --- indra/llmath/llvolume.cpp | 59 +++++++++++++++++++++++++++++++++++++++++--- indra/llmath/llvolume.h | 7 +++--- indra/newview/llvovolume.cpp | 7 +++--- 3 files changed, 62 insertions(+), 11 deletions(-) diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp index de32070da1..0328c09c9a 100644 --- a/indra/llmath/llvolume.cpp +++ b/indra/llmath/llvolume.cpp @@ -1694,7 +1694,7 @@ LLVolume::LLVolume(const LLVolumeParams ¶ms, const F32 detail, const BOOL ge generate(); - if (mParams.getSculptID().isNull() && params.getSculptType() == LL_SCULPT_TYPE_NONE) + if (mParams.getSculptID().isNull() && mParams.getSculptType() == LL_SCULPT_TYPE_NONE) { createVolumeFaces(); } @@ -2142,6 +2142,59 @@ BOOL LLVolume::unpackVolumeFaces(std::istream& is, S32 size) (F32) t[1] / 65535.f * tc_range.mV[1] + min_tc.mV[1]); } + + // modifier flags? + BOOL do_mirror = (mParams.getSculptType() & LL_SCULPT_FLAG_MIRROR); + BOOL do_invert = (mParams.getSculptType() &LL_SCULPT_FLAG_INVERT); + + + // translate to actions: + BOOL do_reflect_x = FALSE; + BOOL do_reverse_triangles = FALSE; + BOOL do_invert_normals = FALSE; + + if (do_mirror) + { + do_reflect_x = TRUE; + do_reverse_triangles = !do_reverse_triangles; + } + + if (do_invert) + { + do_invert_normals = TRUE; + do_reverse_triangles = !do_reverse_triangles; + } + + // now do the work + + if (do_reflect_x) + { + for (S32 i = 0; i < face.mVertices.size(); i++) + { + face.mVertices[i].mPosition.mV[VX] *= -1.0f; + face.mVertices[i].mNormal.mV[VX] *= -1.0f; + } + } + + if (do_invert_normals) + { + for (S32 i = 0; i < face.mVertices.size(); i++) + { + face.mVertices[i].mNormal *= -1.0f; + } + } + + if (do_reverse_triangles) + { + for (U32 j = 0; j < face.mIndices.size(); j += 3) + { + // swap the 2nd and 3rd index + S32 swap = face.mIndices[j+1]; + face.mIndices[j+1] = face.mIndices[j+2]; + face.mIndices[j+2] = swap; + } + } + } } @@ -3838,7 +3891,7 @@ void LLVolume::generateSilhouetteVertices(std::vector &vertices, normals.clear(); segments.clear(); - if (mParams.getSculptType() == LL_SCULPT_TYPE_MESH) + if ((mParams.getSculptType() & LL_SCULPT_TYPE_MASK) == LL_SCULPT_TYPE_MESH) { return; } @@ -5500,7 +5553,7 @@ BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build) { mIndices.resize(num_indices); - if (volume->getParams().getSculptType() != LL_SCULPT_TYPE_MESH) + if ((volume->getParams().getSculptType() & LL_SCULPT_TYPE_MASK) != LL_SCULPT_TYPE_MESH) { mEdge.resize(num_indices); } diff --git a/indra/llmath/llvolume.h b/indra/llmath/llvolume.h index e3ab648fe3..0bc64f4487 100644 --- a/indra/llmath/llvolume.h +++ b/indra/llmath/llvolume.h @@ -183,12 +183,11 @@ const U8 LL_SCULPT_TYPE_SPHERE = 1; const U8 LL_SCULPT_TYPE_TORUS = 2; const U8 LL_SCULPT_TYPE_PLANE = 3; const U8 LL_SCULPT_TYPE_CYLINDER = 4; - -const U8 LL_SCULPT_TYPE_MASK = LL_SCULPT_TYPE_SPHERE | LL_SCULPT_TYPE_TORUS | LL_SCULPT_TYPE_PLANE | LL_SCULPT_TYPE_CYLINDER; - -// need to change this (these) names const U8 LL_SCULPT_TYPE_MESH = 5; +const U8 LL_SCULPT_TYPE_MASK = LL_SCULPT_TYPE_SPHERE | LL_SCULPT_TYPE_TORUS | LL_SCULPT_TYPE_PLANE | + LL_SCULPT_TYPE_CYLINDER | LL_SCULPT_TYPE_MESH; + const U8 LL_SCULPT_FLAG_INVERT = 64; const U8 LL_SCULPT_FLAG_MIRROR = 128; diff --git a/indra/newview/llvovolume.cpp b/indra/newview/llvovolume.cpp index 4acf3cb6fb..3f1ddc0ee7 100644 --- a/indra/newview/llvovolume.cpp +++ b/indra/newview/llvovolume.cpp @@ -905,14 +905,13 @@ BOOL LLVOVolume::setVolume(const LLVolumeParams ¶ms, const S32 detail, bool // if it's a mesh if ((volume_params.getSculptType() & LL_SCULPT_TYPE_MASK) == LL_SCULPT_TYPE_MESH) { //meshes might not have all LODs, get the force detail to best existing LOD + LLUUID mesh_id = params.getSculptID(); //profile and path params don't matter for meshes - volume_params = LLVolumeParams(); volume_params.setType(LL_PCODE_PROFILE_SQUARE, LL_PCODE_PATH_LINE); - volume_params.setSculptID(mesh_id, LL_SCULPT_TYPE_MESH); - lod = gMeshRepo.getActualMeshLOD(mesh_id, lod); + lod = gMeshRepo.getActualMeshLOD(volume_params, lod); } } @@ -963,7 +962,7 @@ BOOL LLVOVolume::setVolume(const LLVolumeParams ¶ms, const S32 detail, bool { //load request not yet issued, request pipeline load this mesh LLUUID asset_id = volume_params.getSculptID(); - S32 available_lod = gMeshRepo.loadMesh(this, asset_id, lod); + S32 available_lod = gMeshRepo.loadMesh(this, volume_params, lod); if (available_lod != lod) { LLPrimitive::setVolume(volume_params, available_lod); -- cgit v1.2.3