1913 lines
58 KiB
C++
1913 lines
58 KiB
C++
/* SPDX-FileCopyrightText: 2005 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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/** \file
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* \ingroup bke
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*/
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#include <cfloat>
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#include <cmath>
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#include <cstdio>
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#include <cstdlib>
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#include <cstring>
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#include "atomic_ops.h"
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#include "MEM_guardedalloc.h"
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#include "DNA_mesh_types.h"
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#include "DNA_meshdata_types.h"
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#include "DNA_modifier_types.h"
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#include "DNA_object_types.h"
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#include "DNA_scene_types.h"
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#include "BLI_bitmap.h"
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#include "BLI_blenlib.h"
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#include "BLI_memarena.h"
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#include "BLI_ordered_edge.hh"
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#include "BLI_set.hh"
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#include "BLI_task.h"
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#include "BLI_threads.h"
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#include "BLI_utildefines.h"
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#include "BLI_vector.hh"
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#include "BKE_ccg.h"
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#include "BKE_cdderivedmesh.h"
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#include "BKE_mesh.hh"
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#include "BKE_mesh_mapping.hh"
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#include "BKE_modifier.hh"
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#include "BKE_multires.hh"
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#include "BKE_object.hh"
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#include "BKE_paint.hh"
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#include "BKE_scene.h"
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#include "BKE_subsurf.hh"
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#include "CCGSubSurf.h"
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static CCGDerivedMesh *getCCGDerivedMesh(CCGSubSurf *ss,
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int drawInteriorEdges,
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int useSubsurfUv,
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DerivedMesh *dm);
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///
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static void *arena_alloc(CCGAllocatorHDL a, int numBytes)
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{
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return BLI_memarena_alloc(reinterpret_cast<MemArena *>(a), numBytes);
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}
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static void *arena_realloc(CCGAllocatorHDL a, void *ptr, int newSize, int oldSize)
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{
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void *p2 = BLI_memarena_alloc(reinterpret_cast<MemArena *>(a), newSize);
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if (ptr) {
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memcpy(p2, ptr, oldSize);
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}
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return p2;
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}
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static void arena_free(CCGAllocatorHDL /*a*/, void * /*ptr*/)
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{
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/* do nothing */
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}
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static void arena_release(CCGAllocatorHDL a)
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{
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BLI_memarena_free(reinterpret_cast<MemArena *>(a));
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}
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enum CCGFlags {
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CCG_USE_AGING = 1,
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CCG_USE_ARENA = 2,
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CCG_CALC_NORMALS = 4,
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/* add an extra four bytes for a mask layer */
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CCG_ALLOC_MASK = 8,
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CCG_SIMPLE_SUBDIV = 16,
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};
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ENUM_OPERATORS(CCGFlags, CCG_SIMPLE_SUBDIV);
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static CCGSubSurf *_getSubSurf(CCGSubSurf *prevSS, int subdivLevels, int numLayers, CCGFlags flags)
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{
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CCGMeshIFC ifc;
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CCGSubSurf *ccgSS;
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int useAging = !!(flags & CCG_USE_AGING);
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int useArena = flags & CCG_USE_ARENA;
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int normalOffset = 0;
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/* (subdivLevels == 0) is not allowed */
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subdivLevels = std::max(subdivLevels, 1);
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if (prevSS) {
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int oldUseAging;
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ccgSubSurf_getUseAgeCounts(prevSS, &oldUseAging, nullptr, nullptr, nullptr);
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if ((oldUseAging != useAging) ||
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(ccgSubSurf_getSimpleSubdiv(prevSS) != !!(flags & CCG_SIMPLE_SUBDIV)))
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{
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ccgSubSurf_free(prevSS);
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}
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else {
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ccgSubSurf_setSubdivisionLevels(prevSS, subdivLevels);
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return prevSS;
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}
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}
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if (useAging) {
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ifc.vertUserSize = ifc.edgeUserSize = ifc.faceUserSize = 12;
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}
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else {
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ifc.vertUserSize = ifc.edgeUserSize = ifc.faceUserSize = 8;
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}
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ifc.numLayers = numLayers;
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ifc.vertDataSize = sizeof(float) * numLayers;
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normalOffset += sizeof(float) * numLayers;
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if (flags & CCG_CALC_NORMALS) {
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ifc.vertDataSize += sizeof(float[3]);
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}
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if (flags & CCG_ALLOC_MASK) {
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ifc.vertDataSize += sizeof(float);
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}
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ifc.simpleSubdiv = !!(flags & CCG_SIMPLE_SUBDIV);
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if (useArena) {
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CCGAllocatorIFC allocatorIFC;
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CCGAllocatorHDL allocator = BLI_memarena_new(MEM_SIZE_OPTIMAL(1 << 16), "subsurf arena");
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allocatorIFC.alloc = arena_alloc;
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allocatorIFC.realloc = arena_realloc;
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allocatorIFC.free = arena_free;
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allocatorIFC.release = arena_release;
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ccgSS = ccgSubSurf_new(&ifc, subdivLevels, &allocatorIFC, allocator);
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}
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else {
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ccgSS = ccgSubSurf_new(&ifc, subdivLevels, nullptr, nullptr);
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}
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if (useAging) {
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ccgSubSurf_setUseAgeCounts(ccgSS, 1, 8, 8, 8);
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}
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if (flags & CCG_ALLOC_MASK) {
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normalOffset += sizeof(float);
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/* mask is allocated after regular layers */
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ccgSubSurf_setAllocMask(ccgSS, 1, sizeof(float) * numLayers);
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}
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if (flags & CCG_CALC_NORMALS) {
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ccgSubSurf_setCalcVertexNormals(ccgSS, 1, normalOffset);
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}
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else {
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ccgSubSurf_setCalcVertexNormals(ccgSS, 0, 0);
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}
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return ccgSS;
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}
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static int getEdgeIndex(CCGSubSurf *ss, CCGEdge *e, int x, int edgeSize)
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{
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CCGVert *v0 = ccgSubSurf_getEdgeVert0(e);
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CCGVert *v1 = ccgSubSurf_getEdgeVert1(e);
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int v0idx = *((int *)ccgSubSurf_getVertUserData(ss, v0));
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int v1idx = *((int *)ccgSubSurf_getVertUserData(ss, v1));
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int edgeBase = *((int *)ccgSubSurf_getEdgeUserData(ss, e));
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if (x == 0) {
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return v0idx;
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}
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if (x == edgeSize - 1) {
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return v1idx;
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}
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return edgeBase + x - 1;
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}
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static int getFaceIndex(
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CCGSubSurf *ss, CCGFace *f, int S, int x, int y, int edgeSize, int gridSize)
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{
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int faceBase = *((int *)ccgSubSurf_getFaceUserData(ss, f));
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int numVerts = ccgSubSurf_getFaceNumVerts(f);
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if (x == gridSize - 1 && y == gridSize - 1) {
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CCGVert *v = ccgSubSurf_getFaceVert(f, S);
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return *((int *)ccgSubSurf_getVertUserData(ss, v));
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}
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if (x == gridSize - 1) {
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CCGVert *v = ccgSubSurf_getFaceVert(f, S);
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CCGEdge *e = ccgSubSurf_getFaceEdge(f, S);
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int edgeBase = *((int *)ccgSubSurf_getEdgeUserData(ss, e));
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if (v == ccgSubSurf_getEdgeVert0(e)) {
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return edgeBase + (gridSize - 1 - y) - 1;
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}
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return edgeBase + (edgeSize - 2 - 1) - ((gridSize - 1 - y) - 1);
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}
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if (y == gridSize - 1) {
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CCGVert *v = ccgSubSurf_getFaceVert(f, S);
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CCGEdge *e = ccgSubSurf_getFaceEdge(f, (S + numVerts - 1) % numVerts);
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int edgeBase = *((int *)ccgSubSurf_getEdgeUserData(ss, e));
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if (v == ccgSubSurf_getEdgeVert0(e)) {
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return edgeBase + (gridSize - 1 - x) - 1;
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}
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return edgeBase + (edgeSize - 2 - 1) - ((gridSize - 1 - x) - 1);
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}
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if (x == 0 && y == 0) {
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return faceBase;
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}
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if (x == 0) {
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S = (S + numVerts - 1) % numVerts;
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return faceBase + 1 + (gridSize - 2) * S + (y - 1);
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}
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if (y == 0) {
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return faceBase + 1 + (gridSize - 2) * S + (x - 1);
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}
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return faceBase + 1 + (gridSize - 2) * numVerts + S * (gridSize - 2) * (gridSize - 2) +
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(y - 1) * (gridSize - 2) + (x - 1);
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}
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static void get_face_uv_map_vert(UvVertMap *vmap,
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const blender::OffsetIndices<int> faces,
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const int *face_verts,
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int fi,
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CCGVertHDL *fverts)
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{
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UvMapVert *v, *nv;
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int j, nverts = faces[fi].size();
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for (j = 0; j < nverts; j++) {
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for (nv = v = BKE_mesh_uv_vert_map_get_vert(vmap, face_verts[j]); v; v = v->next) {
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if (v->separate) {
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nv = v;
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}
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if (v->face_index == fi) {
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break;
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}
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}
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fverts[j] = POINTER_FROM_UINT(faces[nv->face_index].start() + nv->loop_of_face_index);
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}
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}
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static int ss_sync_from_uv(CCGSubSurf *ss,
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CCGSubSurf *origss,
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DerivedMesh *dm,
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const float (*mloopuv)[2])
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{
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const blender::OffsetIndices faces(blender::Span(dm->getPolyArray(dm), dm->getNumPolys(dm) + 1));
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int *corner_verts = dm->getCornerVertArray(dm);
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int totvert = dm->getNumVerts(dm);
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int totface = dm->getNumPolys(dm);
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int i, seam;
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UvMapVert *v;
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UvVertMap *vmap;
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blender::Vector<CCGVertHDL, 16> fverts;
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float limit[2];
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float uv[3] = {0.0f, 0.0f, 0.0f}; /* only first 2 values are written into */
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limit[0] = limit[1] = STD_UV_CONNECT_LIMIT;
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/* previous behavior here is without accounting for winding, however this causes stretching in
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* UV map in really simple cases with mirror + subsurf, see second part of #44530.
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* Also, initially intention is to treat merged vertices from mirror modifier as seams.
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* This fixes a very old regression (2.49 was correct here) */
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vmap = BKE_mesh_uv_vert_map_create(
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faces, nullptr, nullptr, corner_verts, mloopuv, totvert, limit, false, true);
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if (!vmap) {
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return 0;
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}
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ccgSubSurf_initFullSync(ss);
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/* create vertices */
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for (i = 0; i < totvert; i++) {
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if (!BKE_mesh_uv_vert_map_get_vert(vmap, i)) {
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continue;
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}
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for (v = BKE_mesh_uv_vert_map_get_vert(vmap, i)->next; v; v = v->next) {
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if (v->separate) {
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break;
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}
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}
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seam = (v != nullptr);
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for (v = BKE_mesh_uv_vert_map_get_vert(vmap, i); v; v = v->next) {
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if (v->separate) {
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CCGVert *ssv;
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int loopid = faces[v->face_index].start() + v->loop_of_face_index;
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CCGVertHDL vhdl = POINTER_FROM_INT(loopid);
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copy_v2_v2(uv, mloopuv[loopid]);
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ccgSubSurf_syncVert(ss, vhdl, uv, seam, &ssv);
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}
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}
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}
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/* create edges */
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blender::Set<blender::OrderedEdge> eset;
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eset.reserve(totface);
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for (i = 0; i < totface; i++) {
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const blender::IndexRange face = faces[i];
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int nverts = face.size();
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int j, j_next;
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CCGFace *origf = ccgSubSurf_getFace(origss, POINTER_FROM_INT(i));
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// uint *fv = &face.v1;
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fverts.reinitialize(nverts);
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get_face_uv_map_vert(vmap, faces, &corner_verts[face.start()], i, fverts.data());
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for (j = 0, j_next = nverts - 1; j < nverts; j_next = j++) {
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uint v0 = POINTER_AS_UINT(fverts[j_next]);
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uint v1 = POINTER_AS_UINT(fverts[j]);
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if (eset.add({v0, v1})) {
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CCGEdge *e, *orige = ccgSubSurf_getFaceEdge(origf, j_next);
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CCGEdgeHDL ehdl = POINTER_FROM_INT(face[j_next]);
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float crease = ccgSubSurf_getEdgeCrease(orige);
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ccgSubSurf_syncEdge(ss, ehdl, fverts[j_next], fverts[j], crease, &e);
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}
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}
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}
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/* create faces */
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for (i = 0; i < totface; i++) {
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const blender::IndexRange face = faces[i];
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int nverts = face.size();
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CCGFace *f;
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fverts.reinitialize(nverts);
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get_face_uv_map_vert(vmap, faces, &corner_verts[face.start()], i, fverts.data());
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ccgSubSurf_syncFace(ss, POINTER_FROM_INT(i), nverts, fverts.data(), &f);
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}
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BKE_mesh_uv_vert_map_free(vmap);
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ccgSubSurf_processSync(ss);
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return 1;
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}
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static void set_subsurf_legacy_uv(CCGSubSurf *ss, DerivedMesh *dm, DerivedMesh *result, int n)
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{
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CCGFaceIterator fi;
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int index, gridSize, gridFaces, /*edgeSize,*/ totface, x, y, S;
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const float(*dmloopuv)[2] = static_cast<const float(*)[2]>(
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CustomData_get_layer_n(&dm->loopData, CD_PROP_FLOAT2, n));
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/* need to update both CD_MTFACE & CD_PROP_FLOAT2, hrmf, we could get away with
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* just tface except applying the modifier then looses subsurf UV */
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MTFace *tface = static_cast<MTFace *>(
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CustomData_get_layer_n_for_write(&result->faceData, CD_MTFACE, n, result->numTessFaceData));
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float(*mloopuv)[2] = static_cast<float(*)[2]>(CustomData_get_layer_n_for_write(
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&result->loopData, CD_PROP_FLOAT2, n, result->getNumLoops(result)));
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if (!dmloopuv || (!tface && !mloopuv)) {
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return;
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}
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/* create a CCGSubSurf from uv's */
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CCGSubSurf *uvss = _getSubSurf(nullptr, ccgSubSurf_getSubdivisionLevels(ss), 2, CCG_USE_ARENA);
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if (!ss_sync_from_uv(uvss, ss, dm, dmloopuv)) {
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ccgSubSurf_free(uvss);
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return;
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}
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/* get some info from CCGSubSurf */
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totface = ccgSubSurf_getNumFaces(uvss);
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// edgeSize = ccgSubSurf_getEdgeSize(uvss); /* UNUSED */
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gridSize = ccgSubSurf_getGridSize(uvss);
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gridFaces = gridSize - 1;
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/* make a map from original faces to CCGFaces */
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CCGFace **faceMap = static_cast<CCGFace **>(
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MEM_mallocN(totface * sizeof(*faceMap), "facemapuv"));
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for (ccgSubSurf_initFaceIterator(uvss, &fi); !ccgFaceIterator_isStopped(&fi);
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ccgFaceIterator_next(&fi))
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{
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CCGFace *f = ccgFaceIterator_getCurrent(&fi);
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faceMap[POINTER_AS_INT(ccgSubSurf_getFaceFaceHandle(f))] = f;
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}
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/* load coordinates from uvss into tface */
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MTFace *tf = tface;
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float(*mluv)[2] = mloopuv;
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for (index = 0; index < totface; index++) {
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CCGFace *f = faceMap[index];
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int numVerts = ccgSubSurf_getFaceNumVerts(f);
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for (S = 0; S < numVerts; S++) {
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float(*faceGridData)[2] = static_cast<float(*)[2]>(
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ccgSubSurf_getFaceGridDataArray(uvss, f, S));
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for (y = 0; y < gridFaces; y++) {
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for (x = 0; x < gridFaces; x++) {
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float *a = faceGridData[(y + 0) * gridSize + x + 0];
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float *b = faceGridData[(y + 0) * gridSize + x + 1];
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float *c = faceGridData[(y + 1) * gridSize + x + 1];
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float *d = faceGridData[(y + 1) * gridSize + x + 0];
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if (tf) {
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copy_v2_v2(tf->uv[0], a);
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copy_v2_v2(tf->uv[1], d);
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copy_v2_v2(tf->uv[2], c);
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copy_v2_v2(tf->uv[3], b);
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tf++;
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}
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if (mluv) {
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copy_v2_v2(mluv[0], a);
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copy_v2_v2(mluv[1], d);
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copy_v2_v2(mluv[2], c);
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copy_v2_v2(mluv[3], b);
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mluv += 4;
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}
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}
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}
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}
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}
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ccgSubSurf_free(uvss);
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MEM_freeN(faceMap);
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}
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static void set_subsurf_uv(CCGSubSurf *ss, DerivedMesh *dm, DerivedMesh *result, int layer_index)
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{
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set_subsurf_legacy_uv(ss, dm, result, layer_index);
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}
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/* face weighting */
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#define SUB_ELEMS_FACE 50
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typedef float FaceVertWeight[SUB_ELEMS_FACE][SUB_ELEMS_FACE];
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struct FaceVertWeightEntry {
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FaceVertWeight *weight;
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float *w;
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int valid;
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};
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struct WeightTable {
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FaceVertWeightEntry *weight_table;
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int len;
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};
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static float *get_ss_weights(WeightTable *wtable, int gridCuts, int faceLen)
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{
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int x, y, i, j;
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float *w, w1, w2, w4, fac, fac2, fx, fy;
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if (wtable->len <= faceLen) {
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void *tmp = MEM_callocN(sizeof(FaceVertWeightEntry) * (faceLen + 1), "weight table alloc 2");
|
|
|
|
if (wtable->len) {
|
|
memcpy(tmp, wtable->weight_table, sizeof(FaceVertWeightEntry) * wtable->len);
|
|
MEM_freeN(wtable->weight_table);
|
|
}
|
|
|
|
wtable->weight_table = static_cast<FaceVertWeightEntry *>(tmp);
|
|
wtable->len = faceLen + 1;
|
|
}
|
|
|
|
if (!wtable->weight_table[faceLen].valid) {
|
|
wtable->weight_table[faceLen].valid = 1;
|
|
wtable->weight_table[faceLen].w = w = static_cast<float *>(
|
|
MEM_callocN(sizeof(float) * faceLen * faceLen * (gridCuts + 2) * (gridCuts + 2),
|
|
"weight table alloc"));
|
|
fac = 1.0f / float(faceLen);
|
|
|
|
for (i = 0; i < faceLen; i++) {
|
|
for (x = 0; x < gridCuts + 2; x++) {
|
|
for (y = 0; y < gridCuts + 2; y++) {
|
|
fx = 0.5f - float(x) / float(gridCuts + 1) / 2.0f;
|
|
fy = 0.5f - float(y) / float(gridCuts + 1) / 2.0f;
|
|
|
|
fac2 = faceLen - 4;
|
|
w1 = (1.0f - fx) * (1.0f - fy) + (-fac2 * fx * fy * fac);
|
|
w2 = (1.0f - fx + fac2 * fx * -fac) * (fy);
|
|
w4 = (fx) * (1.0f - fy + -fac2 * fy * fac);
|
|
|
|
/* these values aren't used for tri's and cause divide by zero */
|
|
if (faceLen > 3) {
|
|
fac2 = 1.0f - (w1 + w2 + w4);
|
|
fac2 = fac2 / float(faceLen - 3);
|
|
for (j = 0; j < faceLen; j++) {
|
|
w[j] = fac2;
|
|
}
|
|
}
|
|
|
|
w[i] = w1;
|
|
w[(i - 1 + faceLen) % faceLen] = w2;
|
|
w[(i + 1) % faceLen] = w4;
|
|
|
|
w += faceLen;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return wtable->weight_table[faceLen].w;
|
|
}
|
|
|
|
static void free_ss_weights(WeightTable *wtable)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < wtable->len; i++) {
|
|
if (wtable->weight_table[i].valid) {
|
|
MEM_freeN(wtable->weight_table[i].w);
|
|
}
|
|
}
|
|
|
|
if (wtable->weight_table) {
|
|
MEM_freeN(wtable->weight_table);
|
|
}
|
|
}
|
|
|
|
static void ss_sync_ccg_from_derivedmesh(CCGSubSurf *ss,
|
|
DerivedMesh *dm,
|
|
float (*vertexCos)[3],
|
|
int useFlatSubdiv)
|
|
{
|
|
float creaseFactor = float(ccgSubSurf_getSubdivisionLevels(ss));
|
|
blender::Vector<CCGVertHDL, 16> fverts;
|
|
float(*positions)[3] = (float(*)[3])dm->getVertArray(dm);
|
|
const blender::int2 *edges = reinterpret_cast<const blender::int2 *>(dm->getEdgeArray(dm));
|
|
int *corner_verts = dm->getCornerVertArray(dm);
|
|
const blender::OffsetIndices faces(blender::Span(dm->getPolyArray(dm), dm->getNumPolys(dm) + 1));
|
|
int totvert = dm->getNumVerts(dm);
|
|
int totedge = dm->getNumEdges(dm);
|
|
int i, j;
|
|
int *index;
|
|
|
|
ccgSubSurf_initFullSync(ss);
|
|
|
|
index = (int *)dm->getVertDataArray(dm, CD_ORIGINDEX);
|
|
for (i = 0; i < totvert; i++) {
|
|
CCGVert *v;
|
|
|
|
if (vertexCos) {
|
|
ccgSubSurf_syncVert(ss, POINTER_FROM_INT(i), vertexCos[i], 0, &v);
|
|
}
|
|
else {
|
|
ccgSubSurf_syncVert(ss, POINTER_FROM_INT(i), positions[i], 0, &v);
|
|
}
|
|
|
|
((int *)ccgSubSurf_getVertUserData(ss, v))[1] = (index) ? *index++ : i;
|
|
}
|
|
|
|
index = (int *)dm->getEdgeDataArray(dm, CD_ORIGINDEX);
|
|
const float *creases = (const float *)CustomData_get_layer_named(
|
|
&dm->edgeData, CD_PROP_FLOAT, "crease_edge");
|
|
for (i = 0; i < totedge; i++) {
|
|
CCGEdge *e;
|
|
float crease;
|
|
|
|
crease = useFlatSubdiv ? creaseFactor : (creases ? creases[i] * creaseFactor : 0.0f);
|
|
|
|
ccgSubSurf_syncEdge(ss,
|
|
POINTER_FROM_INT(i),
|
|
POINTER_FROM_UINT(edges[i][0]),
|
|
POINTER_FROM_UINT(edges[i][1]),
|
|
crease,
|
|
&e);
|
|
|
|
((int *)ccgSubSurf_getEdgeUserData(ss, e))[1] = (index) ? *index++ : i;
|
|
}
|
|
|
|
index = (int *)dm->getPolyDataArray(dm, CD_ORIGINDEX);
|
|
for (i = 0; i < dm->numPolyData; i++) {
|
|
const blender::IndexRange face = faces[i];
|
|
|
|
CCGFace *f;
|
|
|
|
fverts.reinitialize(face.size());
|
|
|
|
for (j = 0; j < face.size(); j++) {
|
|
fverts[j] = POINTER_FROM_UINT(corner_verts[face[j]]);
|
|
}
|
|
|
|
/* This is very bad, means mesh is internally inconsistent.
|
|
* it is not really possible to continue without modifying
|
|
* other parts of code significantly to handle missing faces.
|
|
* since this really shouldn't even be possible we just bail. */
|
|
if (ccgSubSurf_syncFace(ss, POINTER_FROM_INT(i), face.size(), fverts.data(), &f) ==
|
|
eCCGError_InvalidValue)
|
|
{
|
|
static int hasGivenError = 0;
|
|
|
|
if (!hasGivenError) {
|
|
// XXX error("Unrecoverable error in SubSurf calculation,"
|
|
// " mesh is inconsistent.");
|
|
|
|
hasGivenError = 1;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
((int *)ccgSubSurf_getFaceUserData(ss, f))[1] = (index) ? *index++ : i;
|
|
}
|
|
|
|
ccgSubSurf_processSync(ss);
|
|
}
|
|
|
|
static void ss_sync_from_derivedmesh(CCGSubSurf *ss,
|
|
DerivedMesh *dm,
|
|
float (*vertexCos)[3],
|
|
int use_flat_subdiv,
|
|
bool /*use_subdiv_uvs*/)
|
|
{
|
|
ss_sync_ccg_from_derivedmesh(ss, dm, vertexCos, use_flat_subdiv);
|
|
}
|
|
|
|
/***/
|
|
|
|
static int ccgDM_getVertMapIndex(CCGSubSurf *ss, CCGVert *v)
|
|
{
|
|
return ((int *)ccgSubSurf_getVertUserData(ss, v))[1];
|
|
}
|
|
|
|
static int ccgDM_getEdgeMapIndex(CCGSubSurf *ss, CCGEdge *e)
|
|
{
|
|
return ((int *)ccgSubSurf_getEdgeUserData(ss, e))[1];
|
|
}
|
|
|
|
static int ccgDM_getFaceMapIndex(CCGSubSurf *ss, CCGFace *f)
|
|
{
|
|
return ((int *)ccgSubSurf_getFaceUserData(ss, f))[1];
|
|
}
|
|
|
|
static void minmax_v3_v3v3(const float vec[3], float min[3], float max[3])
|
|
{
|
|
if (min[0] > vec[0]) {
|
|
min[0] = vec[0];
|
|
}
|
|
if (min[1] > vec[1]) {
|
|
min[1] = vec[1];
|
|
}
|
|
if (min[2] > vec[2]) {
|
|
min[2] = vec[2];
|
|
}
|
|
if (max[0] < vec[0]) {
|
|
max[0] = vec[0];
|
|
}
|
|
if (max[1] < vec[1]) {
|
|
max[1] = vec[1];
|
|
}
|
|
if (max[2] < vec[2]) {
|
|
max[2] = vec[2];
|
|
}
|
|
}
|
|
|
|
static void UNUSED_FUNCTION(ccgDM_getMinMax)(DerivedMesh *dm, float r_min[3], float r_max[3])
|
|
{
|
|
CCGDerivedMesh *ccgdm = (CCGDerivedMesh *)dm;
|
|
CCGSubSurf *ss = ccgdm->ss;
|
|
CCGVertIterator vi;
|
|
CCGEdgeIterator ei;
|
|
CCGFaceIterator fi;
|
|
CCGKey key;
|
|
int i, edgeSize = ccgSubSurf_getEdgeSize(ss);
|
|
int gridSize = ccgSubSurf_getGridSize(ss);
|
|
|
|
CCG_key_top_level(&key, ss);
|
|
|
|
if (!ccgSubSurf_getNumVerts(ss)) {
|
|
r_min[0] = r_min[1] = r_min[2] = r_max[0] = r_max[1] = r_max[2] = 0.0;
|
|
}
|
|
|
|
for (ccgSubSurf_initVertIterator(ss, &vi); !ccgVertIterator_isStopped(&vi);
|
|
ccgVertIterator_next(&vi))
|
|
{
|
|
CCGVert *v = ccgVertIterator_getCurrent(&vi);
|
|
float *co = static_cast<float *>(ccgSubSurf_getVertData(ss, v));
|
|
|
|
minmax_v3_v3v3(co, r_min, r_max);
|
|
}
|
|
|
|
for (ccgSubSurf_initEdgeIterator(ss, &ei); !ccgEdgeIterator_isStopped(&ei);
|
|
ccgEdgeIterator_next(&ei))
|
|
{
|
|
CCGEdge *e = ccgEdgeIterator_getCurrent(&ei);
|
|
CCGElem *edgeData = static_cast<CCGElem *>(ccgSubSurf_getEdgeDataArray(ss, e));
|
|
|
|
for (i = 0; i < edgeSize; i++) {
|
|
minmax_v3_v3v3(CCG_elem_offset_co(&key, edgeData, i), r_min, r_max);
|
|
}
|
|
}
|
|
|
|
for (ccgSubSurf_initFaceIterator(ss, &fi); !ccgFaceIterator_isStopped(&fi);
|
|
ccgFaceIterator_next(&fi))
|
|
{
|
|
CCGFace *f = ccgFaceIterator_getCurrent(&fi);
|
|
int S, x, y, numVerts = ccgSubSurf_getFaceNumVerts(f);
|
|
|
|
for (S = 0; S < numVerts; S++) {
|
|
CCGElem *faceGridData = static_cast<CCGElem *>(ccgSubSurf_getFaceGridDataArray(ss, f, S));
|
|
|
|
for (y = 0; y < gridSize; y++) {
|
|
for (x = 0; x < gridSize; x++) {
|
|
minmax_v3_v3v3(CCG_grid_elem_co(&key, faceGridData, x, y), r_min, r_max);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static int ccgDM_getNumVerts(DerivedMesh *dm)
|
|
{
|
|
CCGDerivedMesh *ccgdm = (CCGDerivedMesh *)dm;
|
|
|
|
return ccgSubSurf_getNumFinalVerts(ccgdm->ss);
|
|
}
|
|
|
|
static int ccgDM_getNumEdges(DerivedMesh *dm)
|
|
{
|
|
CCGDerivedMesh *ccgdm = (CCGDerivedMesh *)dm;
|
|
|
|
return ccgSubSurf_getNumFinalEdges(ccgdm->ss);
|
|
}
|
|
|
|
static int ccgDM_getNumPolys(DerivedMesh *dm)
|
|
{
|
|
CCGDerivedMesh *ccgdm = (CCGDerivedMesh *)dm;
|
|
|
|
return ccgSubSurf_getNumFinalFaces(ccgdm->ss);
|
|
}
|
|
|
|
static int ccgDM_getNumLoops(DerivedMesh *dm)
|
|
{
|
|
CCGDerivedMesh *ccgdm = (CCGDerivedMesh *)dm;
|
|
|
|
/* All subsurf faces are quads */
|
|
return 4 * ccgSubSurf_getNumFinalFaces(ccgdm->ss);
|
|
}
|
|
|
|
/* utility function */
|
|
BLI_INLINE void ccgDM_to_MVert(float mv[3], const CCGKey *key, CCGElem *elem)
|
|
{
|
|
copy_v3_v3(mv, CCG_elem_co(key, elem));
|
|
}
|
|
|
|
static void ccgDM_copyFinalVertArray(DerivedMesh *dm, float (*r_positions)[3])
|
|
{
|
|
CCGDerivedMesh *ccgdm = (CCGDerivedMesh *)dm;
|
|
CCGSubSurf *ss = ccgdm->ss;
|
|
CCGElem *vd;
|
|
CCGKey key;
|
|
int index;
|
|
int totvert, totedge, totface;
|
|
int gridSize = ccgSubSurf_getGridSize(ss);
|
|
int edgeSize = ccgSubSurf_getEdgeSize(ss);
|
|
uint i = 0;
|
|
|
|
CCG_key_top_level(&key, ss);
|
|
|
|
totface = ccgSubSurf_getNumFaces(ss);
|
|
for (index = 0; index < totface; index++) {
|
|
CCGFace *f = ccgdm->faceMap[index].face;
|
|
int x, y, S, numVerts = ccgSubSurf_getFaceNumVerts(f);
|
|
|
|
vd = static_cast<CCGElem *>(ccgSubSurf_getFaceCenterData(f));
|
|
ccgDM_to_MVert(r_positions[i++], &key, vd);
|
|
|
|
for (S = 0; S < numVerts; S++) {
|
|
for (x = 1; x < gridSize - 1; x++) {
|
|
vd = static_cast<CCGElem *>(ccgSubSurf_getFaceGridEdgeData(ss, f, S, x));
|
|
ccgDM_to_MVert(r_positions[i++], &key, vd);
|
|
}
|
|
}
|
|
|
|
for (S = 0; S < numVerts; S++) {
|
|
for (y = 1; y < gridSize - 1; y++) {
|
|
for (x = 1; x < gridSize - 1; x++) {
|
|
vd = static_cast<CCGElem *>(ccgSubSurf_getFaceGridData(ss, f, S, x, y));
|
|
ccgDM_to_MVert(r_positions[i++], &key, vd);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
totedge = ccgSubSurf_getNumEdges(ss);
|
|
for (index = 0; index < totedge; index++) {
|
|
CCGEdge *e = ccgdm->edgeMap[index].edge;
|
|
int x;
|
|
|
|
for (x = 1; x < edgeSize - 1; x++) {
|
|
/* NOTE(@ideasman42): This gives errors with `--debug-fpe` the normals don't seem to be
|
|
* unit length. This is most likely caused by edges with no faces which are now zeroed out,
|
|
* see comment in: `ccgSubSurf__calcVertNormals()`. */
|
|
vd = static_cast<CCGElem *>(ccgSubSurf_getEdgeData(ss, e, x));
|
|
ccgDM_to_MVert(r_positions[i++], &key, vd);
|
|
}
|
|
}
|
|
|
|
totvert = ccgSubSurf_getNumVerts(ss);
|
|
for (index = 0; index < totvert; index++) {
|
|
CCGVert *v = ccgdm->vertMap[index].vert;
|
|
|
|
vd = static_cast<CCGElem *>(ccgSubSurf_getVertData(ss, v));
|
|
ccgDM_to_MVert(r_positions[i++], &key, vd);
|
|
}
|
|
}
|
|
|
|
/* utility function */
|
|
BLI_INLINE void ccgDM_to_MEdge(vec2i *edge, const int v1, const int v2)
|
|
{
|
|
edge->x = v1;
|
|
edge->y = v2;
|
|
}
|
|
|
|
static void ccgDM_copyFinalEdgeArray(DerivedMesh *dm, vec2i *edges)
|
|
{
|
|
CCGDerivedMesh *ccgdm = (CCGDerivedMesh *)dm;
|
|
CCGSubSurf *ss = ccgdm->ss;
|
|
int index;
|
|
int totedge, totface;
|
|
int gridSize = ccgSubSurf_getGridSize(ss);
|
|
int edgeSize = ccgSubSurf_getEdgeSize(ss);
|
|
uint i = 0;
|
|
|
|
totface = ccgSubSurf_getNumFaces(ss);
|
|
for (index = 0; index < totface; index++) {
|
|
CCGFace *f = ccgdm->faceMap[index].face;
|
|
int x, y, S, numVerts = ccgSubSurf_getFaceNumVerts(f);
|
|
|
|
for (S = 0; S < numVerts; S++) {
|
|
for (x = 0; x < gridSize - 1; x++) {
|
|
ccgDM_to_MEdge(&edges[i++],
|
|
getFaceIndex(ss, f, S, x, 0, edgeSize, gridSize),
|
|
getFaceIndex(ss, f, S, x + 1, 0, edgeSize, gridSize));
|
|
}
|
|
|
|
for (x = 1; x < gridSize - 1; x++) {
|
|
for (y = 0; y < gridSize - 1; y++) {
|
|
ccgDM_to_MEdge(&edges[i++],
|
|
getFaceIndex(ss, f, S, x, y, edgeSize, gridSize),
|
|
getFaceIndex(ss, f, S, x, y + 1, edgeSize, gridSize));
|
|
ccgDM_to_MEdge(&edges[i++],
|
|
getFaceIndex(ss, f, S, y, x, edgeSize, gridSize),
|
|
getFaceIndex(ss, f, S, y + 1, x, edgeSize, gridSize));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
totedge = ccgSubSurf_getNumEdges(ss);
|
|
for (index = 0; index < totedge; index++) {
|
|
CCGEdge *e = ccgdm->edgeMap[index].edge;
|
|
for (int x = 0; x < edgeSize - 1; x++) {
|
|
ccgDM_to_MEdge(
|
|
&edges[i++], getEdgeIndex(ss, e, x, edgeSize), getEdgeIndex(ss, e, x + 1, edgeSize));
|
|
}
|
|
}
|
|
}
|
|
|
|
struct CopyFinalLoopArrayData {
|
|
CCGDerivedMesh *ccgdm;
|
|
int *corner_verts;
|
|
int *corner_edges;
|
|
int grid_size;
|
|
int *grid_offset;
|
|
int edge_size;
|
|
};
|
|
|
|
static void copyFinalLoopArray_task_cb(void *__restrict userdata,
|
|
const int iter,
|
|
const TaskParallelTLS *__restrict /*tls*/)
|
|
{
|
|
CopyFinalLoopArrayData *data = static_cast<CopyFinalLoopArrayData *>(userdata);
|
|
CCGDerivedMesh *ccgdm = data->ccgdm;
|
|
CCGSubSurf *ss = ccgdm->ss;
|
|
const int grid_size = data->grid_size;
|
|
const int edge_size = data->edge_size;
|
|
CCGFace *f = ccgdm->faceMap[iter].face;
|
|
const int num_verts = ccgSubSurf_getFaceNumVerts(f);
|
|
const int grid_index = data->grid_offset[iter];
|
|
int *corner_verts = data->corner_verts;
|
|
int *corner_edges = data->corner_edges;
|
|
|
|
size_t loop_i = 4 * size_t(grid_index) * (grid_size - 1) * (grid_size - 1);
|
|
for (int S = 0; S < num_verts; S++) {
|
|
for (int y = 0; y < grid_size - 1; y++) {
|
|
for (int x = 0; x < grid_size - 1; x++) {
|
|
|
|
const int v1 = getFaceIndex(ss, f, S, x + 0, y + 0, edge_size, grid_size);
|
|
const int v2 = getFaceIndex(ss, f, S, x + 0, y + 1, edge_size, grid_size);
|
|
const int v3 = getFaceIndex(ss, f, S, x + 1, y + 1, edge_size, grid_size);
|
|
const int v4 = getFaceIndex(ss, f, S, x + 1, y + 0, edge_size, grid_size);
|
|
|
|
if (corner_verts) {
|
|
corner_verts[loop_i + 0] = v1;
|
|
corner_verts[loop_i + 1] = v2;
|
|
corner_verts[loop_i + 2] = v3;
|
|
corner_verts[loop_i + 3] = v4;
|
|
}
|
|
if (corner_edges) {
|
|
corner_edges[loop_i + 0] = ccgdm->ehash->index_of({v1, v2});
|
|
corner_edges[loop_i + 1] = ccgdm->ehash->index_of({v2, v3});
|
|
corner_edges[loop_i + 2] = ccgdm->ehash->index_of({v3, v4});
|
|
corner_edges[loop_i + 3] = ccgdm->ehash->index_of({v4, v1});
|
|
}
|
|
|
|
loop_i += 4;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void ccgDM_copyFinalCornerVertArray(DerivedMesh *dm, int *r_corner_verts)
|
|
{
|
|
CCGDerivedMesh *ccgdm = (CCGDerivedMesh *)dm;
|
|
CCGSubSurf *ss = ccgdm->ss;
|
|
|
|
CopyFinalLoopArrayData data;
|
|
data.ccgdm = ccgdm;
|
|
data.corner_verts = r_corner_verts;
|
|
data.corner_edges = nullptr;
|
|
data.grid_size = ccgSubSurf_getGridSize(ss);
|
|
data.grid_offset = dm->getGridOffset(dm);
|
|
data.edge_size = ccgSubSurf_getEdgeSize(ss);
|
|
|
|
TaskParallelSettings settings;
|
|
BLI_parallel_range_settings_defaults(&settings);
|
|
settings.min_iter_per_thread = 1;
|
|
|
|
BLI_task_parallel_range(
|
|
0, ccgSubSurf_getNumFaces(ss), &data, copyFinalLoopArray_task_cb, &settings);
|
|
}
|
|
|
|
static void ccgDM_copyFinalCornerEdgeArray(DerivedMesh *dm, int *r_corner_edges)
|
|
{
|
|
CCGDerivedMesh *ccgdm = (CCGDerivedMesh *)dm;
|
|
CCGSubSurf *ss = ccgdm->ss;
|
|
|
|
if (!ccgdm->ehash) {
|
|
BLI_mutex_lock(&ccgdm->loops_cache_lock);
|
|
if (!ccgdm->ehash) {
|
|
auto *ehash = new blender::VectorSet<blender::OrderedEdge>();
|
|
ehash->reserve(ccgdm->dm.numEdgeData);
|
|
|
|
const blender::int2 *medge = reinterpret_cast<const blender::int2 *>(
|
|
ccgdm->dm.getEdgeArray((DerivedMesh *)ccgdm));
|
|
|
|
for (int i = 0; i < ccgdm->dm.numEdgeData; i++) {
|
|
ehash->add({medge[i][0], medge[i][1]});
|
|
}
|
|
|
|
atomic_cas_ptr((void **)&ccgdm->ehash, ccgdm->ehash, ehash);
|
|
}
|
|
BLI_mutex_unlock(&ccgdm->loops_cache_lock);
|
|
}
|
|
|
|
CopyFinalLoopArrayData data;
|
|
data.ccgdm = ccgdm;
|
|
data.corner_verts = nullptr;
|
|
data.corner_edges = r_corner_edges;
|
|
data.grid_size = ccgSubSurf_getGridSize(ss);
|
|
data.grid_offset = dm->getGridOffset(dm);
|
|
data.edge_size = ccgSubSurf_getEdgeSize(ss);
|
|
|
|
TaskParallelSettings settings;
|
|
BLI_parallel_range_settings_defaults(&settings);
|
|
settings.min_iter_per_thread = 1;
|
|
|
|
BLI_task_parallel_range(
|
|
0, ccgSubSurf_getNumFaces(ss), &data, copyFinalLoopArray_task_cb, &settings);
|
|
}
|
|
|
|
static void ccgDM_copyFinalPolyArray(DerivedMesh *dm, int *r_face_offsets)
|
|
{
|
|
CCGDerivedMesh *ccgdm = (CCGDerivedMesh *)dm;
|
|
CCGSubSurf *ss = ccgdm->ss;
|
|
int index;
|
|
int totface;
|
|
int gridSize = ccgSubSurf_getGridSize(ss);
|
|
// int edgeSize = ccgSubSurf_getEdgeSize(ss); /* UNUSED. */
|
|
int i = 0, k = 0;
|
|
|
|
totface = ccgSubSurf_getNumFaces(ss);
|
|
for (index = 0; index < totface; index++) {
|
|
CCGFace *f = ccgdm->faceMap[index].face;
|
|
int x, y, S, numVerts = ccgSubSurf_getFaceNumVerts(f);
|
|
|
|
for (S = 0; S < numVerts; S++) {
|
|
for (y = 0; y < gridSize - 1; y++) {
|
|
for (x = 0; x < gridSize - 1; x++) {
|
|
r_face_offsets[i] = k;
|
|
k += 4;
|
|
i++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
r_face_offsets[i] = k;
|
|
}
|
|
|
|
static void ccgDM_release(DerivedMesh *dm)
|
|
{
|
|
CCGDerivedMesh *ccgdm = (CCGDerivedMesh *)dm;
|
|
|
|
DM_release(dm);
|
|
/* Before freeing, need to update the displacement map */
|
|
if (ccgdm->multires.modified_flags) {
|
|
/* Check that mmd still exists */
|
|
if (!ccgdm->multires.local_mmd &&
|
|
BLI_findindex(&ccgdm->multires.ob->modifiers, ccgdm->multires.mmd) == -1)
|
|
{
|
|
ccgdm->multires.mmd = nullptr;
|
|
}
|
|
|
|
if (ccgdm->multires.mmd) {
|
|
if (ccgdm->multires.modified_flags & MULTIRES_COORDS_MODIFIED) {
|
|
multires_modifier_update_mdisps(dm, nullptr);
|
|
}
|
|
if (ccgdm->multires.modified_flags & MULTIRES_HIDDEN_MODIFIED) {
|
|
multires_modifier_update_hidden(dm);
|
|
}
|
|
}
|
|
}
|
|
|
|
delete ccgdm->ehash;
|
|
|
|
if (ccgdm->reverseFaceMap) {
|
|
MEM_freeN(ccgdm->reverseFaceMap);
|
|
}
|
|
if (ccgdm->gridFaces) {
|
|
MEM_freeN(ccgdm->gridFaces);
|
|
}
|
|
if (ccgdm->gridData) {
|
|
MEM_freeN(ccgdm->gridData);
|
|
}
|
|
if (ccgdm->gridOffset) {
|
|
MEM_freeN(ccgdm->gridOffset);
|
|
}
|
|
if (ccgdm->gridFlagMats) {
|
|
MEM_freeN(ccgdm->gridFlagMats);
|
|
}
|
|
if (ccgdm->gridHidden) {
|
|
/* Using dm->getNumGrids(dm) accesses freed memory */
|
|
uint numGrids = ccgdm->numGrid;
|
|
for (uint i = 0; i < numGrids; i++) {
|
|
if (ccgdm->gridHidden[i]) {
|
|
MEM_freeN(ccgdm->gridHidden[i]);
|
|
}
|
|
}
|
|
MEM_freeN(ccgdm->gridHidden);
|
|
}
|
|
if (ccgdm->freeSS) {
|
|
ccgSubSurf_free(ccgdm->ss);
|
|
}
|
|
if (ccgdm->pmap) {
|
|
MEM_freeN(ccgdm->pmap);
|
|
}
|
|
if (ccgdm->pmap_mem) {
|
|
MEM_freeN(ccgdm->pmap_mem);
|
|
}
|
|
MEM_freeN(ccgdm->faceFlags);
|
|
MEM_freeN(ccgdm->vertMap);
|
|
MEM_freeN(ccgdm->edgeMap);
|
|
MEM_freeN(ccgdm->faceMap);
|
|
|
|
BLI_mutex_end(&ccgdm->loops_cache_lock);
|
|
BLI_rw_mutex_end(&ccgdm->origindex_cache_rwlock);
|
|
|
|
MEM_freeN(ccgdm);
|
|
}
|
|
|
|
static void *ccgDM_get_vert_data_layer(DerivedMesh *dm, const eCustomDataType type)
|
|
{
|
|
if (type == CD_ORIGINDEX) {
|
|
/* create origindex on demand to save memory */
|
|
CCGDerivedMesh *ccgdm = (CCGDerivedMesh *)dm;
|
|
CCGSubSurf *ss = ccgdm->ss;
|
|
int *origindex;
|
|
int a, index, totnone, totorig;
|
|
|
|
/* Avoid re-creation if the layer exists already */
|
|
BLI_rw_mutex_lock(&ccgdm->origindex_cache_rwlock, THREAD_LOCK_READ);
|
|
origindex = static_cast<int *>(DM_get_vert_data_layer(dm, CD_ORIGINDEX));
|
|
BLI_rw_mutex_unlock(&ccgdm->origindex_cache_rwlock);
|
|
if (origindex) {
|
|
return origindex;
|
|
}
|
|
|
|
BLI_rw_mutex_lock(&ccgdm->origindex_cache_rwlock, THREAD_LOCK_WRITE);
|
|
|
|
origindex = static_cast<int *>(
|
|
CustomData_add_layer(&dm->vertData, CD_ORIGINDEX, CD_SET_DEFAULT, dm->numVertData));
|
|
|
|
totorig = ccgSubSurf_getNumVerts(ss);
|
|
totnone = dm->numVertData - totorig;
|
|
|
|
/* original vertices are at the end */
|
|
for (a = 0; a < totnone; a++) {
|
|
origindex[a] = ORIGINDEX_NONE;
|
|
}
|
|
|
|
for (index = 0; index < totorig; index++, a++) {
|
|
CCGVert *v = ccgdm->vertMap[index].vert;
|
|
origindex[a] = ccgDM_getVertMapIndex(ccgdm->ss, v);
|
|
}
|
|
BLI_rw_mutex_unlock(&ccgdm->origindex_cache_rwlock);
|
|
|
|
return origindex;
|
|
}
|
|
|
|
return DM_get_vert_data_layer(dm, type);
|
|
}
|
|
|
|
static void *ccgDM_get_edge_data_layer(DerivedMesh *dm, const eCustomDataType type)
|
|
{
|
|
if (type == CD_ORIGINDEX) {
|
|
/* create origindex on demand to save memory */
|
|
CCGDerivedMesh *ccgdm = (CCGDerivedMesh *)dm;
|
|
CCGSubSurf *ss = ccgdm->ss;
|
|
int *origindex;
|
|
int a, i, index, totnone, totorig, totedge;
|
|
int edgeSize = ccgSubSurf_getEdgeSize(ss);
|
|
|
|
/* Avoid re-creation if the layer exists already */
|
|
origindex = static_cast<int *>(DM_get_edge_data_layer(dm, CD_ORIGINDEX));
|
|
if (origindex) {
|
|
return origindex;
|
|
}
|
|
|
|
origindex = static_cast<int *>(
|
|
CustomData_add_layer(&dm->edgeData, CD_ORIGINDEX, CD_SET_DEFAULT, dm->numEdgeData));
|
|
|
|
totedge = ccgSubSurf_getNumEdges(ss);
|
|
totorig = totedge * (edgeSize - 1);
|
|
totnone = dm->numEdgeData - totorig;
|
|
|
|
/* original edges are at the end */
|
|
for (a = 0; a < totnone; a++) {
|
|
origindex[a] = ORIGINDEX_NONE;
|
|
}
|
|
|
|
for (index = 0; index < totedge; index++) {
|
|
CCGEdge *e = ccgdm->edgeMap[index].edge;
|
|
int mapIndex = ccgDM_getEdgeMapIndex(ss, e);
|
|
|
|
for (i = 0; i < edgeSize - 1; i++, a++) {
|
|
origindex[a] = mapIndex;
|
|
}
|
|
}
|
|
|
|
return origindex;
|
|
}
|
|
|
|
return DM_get_edge_data_layer(dm, type);
|
|
}
|
|
|
|
static void *ccgDM_get_poly_data_layer(DerivedMesh *dm, const eCustomDataType type)
|
|
{
|
|
if (type == CD_ORIGINDEX) {
|
|
/* create origindex on demand to save memory */
|
|
CCGDerivedMesh *ccgdm = (CCGDerivedMesh *)dm;
|
|
CCGSubSurf *ss = ccgdm->ss;
|
|
int *origindex;
|
|
int a, i, index, totface;
|
|
int gridFaces = ccgSubSurf_getGridSize(ss) - 1;
|
|
|
|
/* Avoid re-creation if the layer exists already */
|
|
origindex = static_cast<int *>(DM_get_poly_data_layer(dm, CD_ORIGINDEX));
|
|
if (origindex) {
|
|
return origindex;
|
|
}
|
|
|
|
origindex = static_cast<int *>(
|
|
CustomData_add_layer(&dm->polyData, CD_ORIGINDEX, CD_SET_DEFAULT, dm->numPolyData));
|
|
|
|
totface = ccgSubSurf_getNumFaces(ss);
|
|
|
|
for (a = 0, index = 0; index < totface; index++) {
|
|
CCGFace *f = ccgdm->faceMap[index].face;
|
|
int numVerts = ccgSubSurf_getFaceNumVerts(f);
|
|
int mapIndex = ccgDM_getFaceMapIndex(ss, f);
|
|
|
|
for (i = 0; i < gridFaces * gridFaces * numVerts; i++, a++) {
|
|
origindex[a] = mapIndex;
|
|
}
|
|
}
|
|
|
|
return origindex;
|
|
}
|
|
|
|
return DM_get_poly_data_layer(dm, type);
|
|
}
|
|
|
|
static int ccgDM_getNumGrids(DerivedMesh *dm)
|
|
{
|
|
CCGDerivedMesh *ccgdm = (CCGDerivedMesh *)dm;
|
|
int index, numFaces, numGrids;
|
|
|
|
numFaces = ccgSubSurf_getNumFaces(ccgdm->ss);
|
|
numGrids = 0;
|
|
|
|
for (index = 0; index < numFaces; index++) {
|
|
CCGFace *f = ccgdm->faceMap[index].face;
|
|
numGrids += ccgSubSurf_getFaceNumVerts(f);
|
|
}
|
|
|
|
return numGrids;
|
|
}
|
|
|
|
static int ccgDM_getGridSize(DerivedMesh *dm)
|
|
{
|
|
CCGDerivedMesh *ccgdm = (CCGDerivedMesh *)dm;
|
|
return ccgSubSurf_getGridSize(ccgdm->ss);
|
|
}
|
|
|
|
static void ccgdm_create_grids(DerivedMesh *dm)
|
|
{
|
|
CCGDerivedMesh *ccgdm = (CCGDerivedMesh *)dm;
|
|
CCGSubSurf *ss = ccgdm->ss;
|
|
CCGElem **gridData;
|
|
DMFlagMat *gridFlagMats;
|
|
CCGFace **gridFaces;
|
|
int *gridOffset;
|
|
int index, numFaces, numGrids, S, gIndex /*, gridSize */;
|
|
|
|
if (ccgdm->gridData) {
|
|
return;
|
|
}
|
|
|
|
numGrids = ccgDM_getNumGrids(dm);
|
|
numFaces = ccgSubSurf_getNumFaces(ss);
|
|
// gridSize = ccgDM_getGridSize(dm); /* UNUSED */
|
|
|
|
/* compute offset into grid array for each face */
|
|
gridOffset = static_cast<int *>(MEM_mallocN(sizeof(int) * numFaces, "ccgdm.gridOffset"));
|
|
|
|
for (gIndex = 0, index = 0; index < numFaces; index++) {
|
|
CCGFace *f = ccgdm->faceMap[index].face;
|
|
int numVerts = ccgSubSurf_getFaceNumVerts(f);
|
|
|
|
gridOffset[index] = gIndex;
|
|
gIndex += numVerts;
|
|
}
|
|
|
|
/* compute grid data */
|
|
gridData = static_cast<CCGElem **>(MEM_mallocN(sizeof(CCGElem *) * numGrids, "ccgdm.gridData"));
|
|
gridFaces = static_cast<CCGFace **>(
|
|
MEM_mallocN(sizeof(CCGFace *) * numGrids, "ccgdm.gridFaces"));
|
|
gridFlagMats = static_cast<DMFlagMat *>(
|
|
MEM_mallocN(sizeof(DMFlagMat) * numGrids, "ccgdm.gridFlagMats"));
|
|
|
|
ccgdm->gridHidden = static_cast<uint **>(
|
|
MEM_callocN(sizeof(*ccgdm->gridHidden) * numGrids, "ccgdm.gridHidden"));
|
|
|
|
for (gIndex = 0, index = 0; index < numFaces; index++) {
|
|
CCGFace *f = ccgdm->faceMap[index].face;
|
|
int numVerts = ccgSubSurf_getFaceNumVerts(f);
|
|
|
|
for (S = 0; S < numVerts; S++, gIndex++) {
|
|
gridData[gIndex] = static_cast<CCGElem *>(ccgSubSurf_getFaceGridDataArray(ss, f, S));
|
|
gridFaces[gIndex] = f;
|
|
gridFlagMats[gIndex] = ccgdm->faceFlags[index];
|
|
}
|
|
}
|
|
|
|
ccgdm->gridData = gridData;
|
|
ccgdm->gridFaces = gridFaces;
|
|
ccgdm->gridOffset = gridOffset;
|
|
ccgdm->gridFlagMats = gridFlagMats;
|
|
ccgdm->numGrid = numGrids;
|
|
}
|
|
|
|
static CCGElem **ccgDM_getGridData(DerivedMesh *dm)
|
|
{
|
|
CCGDerivedMesh *ccgdm = (CCGDerivedMesh *)dm;
|
|
|
|
ccgdm_create_grids(dm);
|
|
return ccgdm->gridData;
|
|
}
|
|
|
|
static int *ccgDM_getGridOffset(DerivedMesh *dm)
|
|
{
|
|
CCGDerivedMesh *ccgdm = (CCGDerivedMesh *)dm;
|
|
|
|
ccgdm_create_grids(dm);
|
|
return ccgdm->gridOffset;
|
|
}
|
|
|
|
static void ccgDM_getGridKey(DerivedMesh *dm, CCGKey *key)
|
|
{
|
|
CCGDerivedMesh *ccgdm = (CCGDerivedMesh *)dm;
|
|
CCG_key_top_level(key, ccgdm->ss);
|
|
}
|
|
|
|
static DMFlagMat *ccgDM_getGridFlagMats(DerivedMesh *dm)
|
|
{
|
|
CCGDerivedMesh *ccgdm = (CCGDerivedMesh *)dm;
|
|
|
|
ccgdm_create_grids(dm);
|
|
return ccgdm->gridFlagMats;
|
|
}
|
|
|
|
static BLI_bitmap **ccgDM_getGridHidden(DerivedMesh *dm)
|
|
{
|
|
CCGDerivedMesh *ccgdm = (CCGDerivedMesh *)dm;
|
|
|
|
ccgdm_create_grids(dm);
|
|
return ccgdm->gridHidden;
|
|
}
|
|
|
|
static void set_default_ccgdm_callbacks(CCGDerivedMesh *ccgdm)
|
|
{
|
|
ccgdm->dm.getNumVerts = ccgDM_getNumVerts;
|
|
ccgdm->dm.getNumEdges = ccgDM_getNumEdges;
|
|
ccgdm->dm.getNumLoops = ccgDM_getNumLoops;
|
|
ccgdm->dm.getNumPolys = ccgDM_getNumPolys;
|
|
|
|
ccgdm->dm.copyVertArray = ccgDM_copyFinalVertArray;
|
|
ccgdm->dm.copyEdgeArray = ccgDM_copyFinalEdgeArray;
|
|
ccgdm->dm.copyCornerVertArray = ccgDM_copyFinalCornerVertArray;
|
|
ccgdm->dm.copyCornerEdgeArray = ccgDM_copyFinalCornerEdgeArray;
|
|
ccgdm->dm.copyPolyArray = ccgDM_copyFinalPolyArray;
|
|
|
|
ccgdm->dm.getVertDataArray = ccgDM_get_vert_data_layer;
|
|
ccgdm->dm.getEdgeDataArray = ccgDM_get_edge_data_layer;
|
|
ccgdm->dm.getPolyDataArray = ccgDM_get_poly_data_layer;
|
|
ccgdm->dm.getNumGrids = ccgDM_getNumGrids;
|
|
ccgdm->dm.getGridSize = ccgDM_getGridSize;
|
|
ccgdm->dm.getGridData = ccgDM_getGridData;
|
|
ccgdm->dm.getGridOffset = ccgDM_getGridOffset;
|
|
ccgdm->dm.getGridKey = ccgDM_getGridKey;
|
|
ccgdm->dm.getGridFlagMats = ccgDM_getGridFlagMats;
|
|
ccgdm->dm.getGridHidden = ccgDM_getGridHidden;
|
|
|
|
ccgdm->dm.release = ccgDM_release;
|
|
}
|
|
|
|
static void create_ccgdm_maps(CCGDerivedMesh *ccgdm, CCGSubSurf *ss)
|
|
{
|
|
CCGVertIterator vi;
|
|
CCGEdgeIterator ei;
|
|
CCGFaceIterator fi;
|
|
int totvert, totedge, totface;
|
|
|
|
totvert = ccgSubSurf_getNumVerts(ss);
|
|
ccgdm->vertMap = static_cast<decltype(CCGDerivedMesh::vertMap)>(
|
|
MEM_mallocN(totvert * sizeof(*ccgdm->vertMap), "vertMap"));
|
|
for (ccgSubSurf_initVertIterator(ss, &vi); !ccgVertIterator_isStopped(&vi);
|
|
ccgVertIterator_next(&vi))
|
|
{
|
|
CCGVert *v = ccgVertIterator_getCurrent(&vi);
|
|
|
|
ccgdm->vertMap[POINTER_AS_INT(ccgSubSurf_getVertVertHandle(v))].vert = v;
|
|
}
|
|
|
|
totedge = ccgSubSurf_getNumEdges(ss);
|
|
ccgdm->edgeMap = static_cast<decltype(CCGDerivedMesh::edgeMap)>(
|
|
MEM_mallocN(totedge * sizeof(*ccgdm->edgeMap), "edgeMap"));
|
|
for (ccgSubSurf_initEdgeIterator(ss, &ei); !ccgEdgeIterator_isStopped(&ei);
|
|
ccgEdgeIterator_next(&ei))
|
|
{
|
|
CCGEdge *e = ccgEdgeIterator_getCurrent(&ei);
|
|
|
|
ccgdm->edgeMap[POINTER_AS_INT(ccgSubSurf_getEdgeEdgeHandle(e))].edge = e;
|
|
}
|
|
|
|
totface = ccgSubSurf_getNumFaces(ss);
|
|
ccgdm->faceMap = static_cast<decltype(CCGDerivedMesh::faceMap)>(
|
|
MEM_mallocN(totface * sizeof(*ccgdm->faceMap), "faceMap"));
|
|
for (ccgSubSurf_initFaceIterator(ss, &fi); !ccgFaceIterator_isStopped(&fi);
|
|
ccgFaceIterator_next(&fi))
|
|
{
|
|
CCGFace *f = ccgFaceIterator_getCurrent(&fi);
|
|
|
|
ccgdm->faceMap[POINTER_AS_INT(ccgSubSurf_getFaceFaceHandle(f))].face = f;
|
|
}
|
|
}
|
|
|
|
/* Fill in all geometry arrays making it possible to access any
|
|
* hires data from the CPU.
|
|
*/
|
|
static void set_ccgdm_all_geometry(CCGDerivedMesh *ccgdm,
|
|
CCGSubSurf *ss,
|
|
DerivedMesh *dm,
|
|
bool useSubsurfUv)
|
|
{
|
|
const int totvert = ccgSubSurf_getNumVerts(ss);
|
|
const int totedge = ccgSubSurf_getNumEdges(ss);
|
|
const int totface = ccgSubSurf_getNumFaces(ss);
|
|
int index;
|
|
int i;
|
|
int vertNum = 0, edgeNum = 0, faceNum = 0;
|
|
DMFlagMat *faceFlags = ccgdm->faceFlags;
|
|
int *polyidx = nullptr;
|
|
blender::Vector<int, 16> loopidx;
|
|
blender::Vector<int, 16> vertidx;
|
|
int loopindex, loopindex2;
|
|
int edgeSize;
|
|
int gridSize;
|
|
int gridFaces, gridCuts;
|
|
int gridSideEdges;
|
|
int gridInternalEdges;
|
|
WeightTable wtable = {nullptr};
|
|
bool has_edge_cd;
|
|
|
|
edgeSize = ccgSubSurf_getEdgeSize(ss);
|
|
gridSize = ccgSubSurf_getGridSize(ss);
|
|
gridFaces = gridSize - 1;
|
|
gridCuts = gridSize - 2;
|
|
// gridInternalVerts = gridSideVerts * gridSideVerts; /* As yet, unused. */
|
|
gridSideEdges = gridSize - 1;
|
|
gridInternalEdges = (gridSideEdges - 1) * gridSideEdges * 2;
|
|
|
|
const int *material_indices = static_cast<const int *>(
|
|
CustomData_get_layer_named(&dm->polyData, CD_PROP_INT32, "material_index"));
|
|
const bool *sharp_faces = static_cast<const bool *>(
|
|
CustomData_get_layer_named(&dm->polyData, CD_PROP_BOOL, "sharp_face"));
|
|
|
|
const int *base_polyOrigIndex = static_cast<const int *>(
|
|
CustomData_get_layer(&dm->polyData, CD_ORIGINDEX));
|
|
|
|
int *vertOrigIndex = static_cast<int *>(DM_get_vert_data_layer(&ccgdm->dm, CD_ORIGINDEX));
|
|
int *edgeOrigIndex = static_cast<int *>(DM_get_edge_data_layer(&ccgdm->dm, CD_ORIGINDEX));
|
|
int *polyOrigIndex = static_cast<int *>(DM_get_poly_data_layer(&ccgdm->dm, CD_ORIGINDEX));
|
|
|
|
has_edge_cd = ((ccgdm->dm.edgeData.totlayer - (edgeOrigIndex ? 1 : 0)) != 0);
|
|
|
|
loopindex = loopindex2 = 0; /* current loop index */
|
|
for (index = 0; index < totface; index++) {
|
|
CCGFace *f = ccgdm->faceMap[index].face;
|
|
int numVerts = ccgSubSurf_getFaceNumVerts(f);
|
|
int numFinalEdges = numVerts * (gridSideEdges + gridInternalEdges);
|
|
int origIndex = POINTER_AS_INT(ccgSubSurf_getFaceFaceHandle(f));
|
|
int g2_wid = gridCuts + 2;
|
|
float *w, *w2;
|
|
int s, x, y;
|
|
|
|
w = get_ss_weights(&wtable, gridCuts, numVerts);
|
|
|
|
ccgdm->faceMap[index].startVert = vertNum;
|
|
ccgdm->faceMap[index].startEdge = edgeNum;
|
|
ccgdm->faceMap[index].startFace = faceNum;
|
|
|
|
faceFlags->sharp = sharp_faces ? sharp_faces[origIndex] : false;
|
|
faceFlags->mat_nr = material_indices ? material_indices[origIndex] : 0;
|
|
faceFlags++;
|
|
|
|
/* set the face base vert */
|
|
*((int *)ccgSubSurf_getFaceUserData(ss, f)) = vertNum;
|
|
|
|
loopidx.reinitialize(numVerts);
|
|
for (s = 0; s < numVerts; s++) {
|
|
loopidx[s] = loopindex++;
|
|
}
|
|
|
|
vertidx.reinitialize(numVerts);
|
|
for (s = 0; s < numVerts; s++) {
|
|
CCGVert *v = ccgSubSurf_getFaceVert(f, s);
|
|
vertidx[s] = POINTER_AS_INT(ccgSubSurf_getVertVertHandle(v));
|
|
}
|
|
|
|
/* I think this is for interpolating the center vert? */
|
|
w2 = w; // + numVerts*(g2_wid-1) * (g2_wid-1); //numVerts*((g2_wid-1) * g2_wid+g2_wid-1);
|
|
DM_interp_vert_data(dm, &ccgdm->dm, vertidx.data(), w2, numVerts, vertNum);
|
|
if (vertOrigIndex) {
|
|
*vertOrigIndex = ORIGINDEX_NONE;
|
|
vertOrigIndex++;
|
|
}
|
|
|
|
vertNum++;
|
|
|
|
/* Interpolate per-vert data. */
|
|
for (s = 0; s < numVerts; s++) {
|
|
for (x = 1; x < gridFaces; x++) {
|
|
w2 = w + s * numVerts * g2_wid * g2_wid + x * numVerts;
|
|
DM_interp_vert_data(dm, &ccgdm->dm, vertidx.data(), w2, numVerts, vertNum);
|
|
|
|
if (vertOrigIndex) {
|
|
*vertOrigIndex = ORIGINDEX_NONE;
|
|
vertOrigIndex++;
|
|
}
|
|
|
|
vertNum++;
|
|
}
|
|
}
|
|
|
|
/* Interpolate per-vert data. */
|
|
for (s = 0; s < numVerts; s++) {
|
|
for (y = 1; y < gridFaces; y++) {
|
|
for (x = 1; x < gridFaces; x++) {
|
|
w2 = w + s * numVerts * g2_wid * g2_wid + (y * g2_wid + x) * numVerts;
|
|
DM_interp_vert_data(dm, &ccgdm->dm, vertidx.data(), w2, numVerts, vertNum);
|
|
|
|
if (vertOrigIndex) {
|
|
*vertOrigIndex = ORIGINDEX_NONE;
|
|
vertOrigIndex++;
|
|
}
|
|
|
|
vertNum++;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (edgeOrigIndex) {
|
|
for (i = 0; i < numFinalEdges; i++) {
|
|
edgeOrigIndex[edgeNum + i] = ORIGINDEX_NONE;
|
|
}
|
|
}
|
|
|
|
for (s = 0; s < numVerts; s++) {
|
|
/* Interpolate per-face data. */
|
|
for (y = 0; y < gridFaces; y++) {
|
|
for (x = 0; x < gridFaces; x++) {
|
|
w2 = w + s * numVerts * g2_wid * g2_wid + (y * g2_wid + x) * numVerts;
|
|
CustomData_interp(&dm->loopData,
|
|
&ccgdm->dm.loopData,
|
|
loopidx.data(),
|
|
w2,
|
|
nullptr,
|
|
numVerts,
|
|
loopindex2);
|
|
loopindex2++;
|
|
|
|
w2 = w + s * numVerts * g2_wid * g2_wid + ((y + 1) * g2_wid + (x)) * numVerts;
|
|
CustomData_interp(&dm->loopData,
|
|
&ccgdm->dm.loopData,
|
|
loopidx.data(),
|
|
w2,
|
|
nullptr,
|
|
numVerts,
|
|
loopindex2);
|
|
loopindex2++;
|
|
|
|
w2 = w + s * numVerts * g2_wid * g2_wid + ((y + 1) * g2_wid + (x + 1)) * numVerts;
|
|
CustomData_interp(&dm->loopData,
|
|
&ccgdm->dm.loopData,
|
|
loopidx.data(),
|
|
w2,
|
|
nullptr,
|
|
numVerts,
|
|
loopindex2);
|
|
loopindex2++;
|
|
|
|
w2 = w + s * numVerts * g2_wid * g2_wid + ((y)*g2_wid + (x + 1)) * numVerts;
|
|
CustomData_interp(&dm->loopData,
|
|
&ccgdm->dm.loopData,
|
|
loopidx.data(),
|
|
w2,
|
|
nullptr,
|
|
numVerts,
|
|
loopindex2);
|
|
loopindex2++;
|
|
|
|
CustomData_copy_data(&dm->polyData, &ccgdm->dm.polyData, origIndex, faceNum, 1);
|
|
|
|
if (polyOrigIndex) {
|
|
*polyOrigIndex = base_polyOrigIndex ? base_polyOrigIndex[origIndex] : origIndex;
|
|
polyOrigIndex++;
|
|
}
|
|
|
|
ccgdm->reverseFaceMap[faceNum] = index;
|
|
|
|
/* This is a simple one to one mapping, here... */
|
|
if (polyidx) {
|
|
polyidx[faceNum] = faceNum;
|
|
}
|
|
|
|
faceNum++;
|
|
}
|
|
}
|
|
}
|
|
|
|
edgeNum += numFinalEdges;
|
|
}
|
|
|
|
for (index = 0; index < totedge; index++) {
|
|
CCGEdge *e = ccgdm->edgeMap[index].edge;
|
|
int numFinalEdges = edgeSize - 1;
|
|
int mapIndex = ccgDM_getEdgeMapIndex(ss, e);
|
|
int x;
|
|
int vertIdx[2];
|
|
int edgeIdx = POINTER_AS_INT(ccgSubSurf_getEdgeEdgeHandle(e));
|
|
|
|
CCGVert *v;
|
|
v = ccgSubSurf_getEdgeVert0(e);
|
|
vertIdx[0] = POINTER_AS_INT(ccgSubSurf_getVertVertHandle(v));
|
|
v = ccgSubSurf_getEdgeVert1(e);
|
|
vertIdx[1] = POINTER_AS_INT(ccgSubSurf_getVertVertHandle(v));
|
|
|
|
ccgdm->edgeMap[index].startVert = vertNum;
|
|
ccgdm->edgeMap[index].startEdge = edgeNum;
|
|
|
|
/* set the edge base vert */
|
|
*((int *)ccgSubSurf_getEdgeUserData(ss, e)) = vertNum;
|
|
|
|
for (x = 1; x < edgeSize - 1; x++) {
|
|
float w[2];
|
|
w[1] = float(x) / (edgeSize - 1);
|
|
w[0] = 1 - w[1];
|
|
DM_interp_vert_data(dm, &ccgdm->dm, vertIdx, w, 2, vertNum);
|
|
if (vertOrigIndex) {
|
|
*vertOrigIndex = ORIGINDEX_NONE;
|
|
vertOrigIndex++;
|
|
}
|
|
vertNum++;
|
|
}
|
|
|
|
if (has_edge_cd) {
|
|
BLI_assert(edgeIdx >= 0 && edgeIdx < dm->getNumEdges(dm));
|
|
for (i = 0; i < numFinalEdges; i++) {
|
|
CustomData_copy_data(&dm->edgeData, &ccgdm->dm.edgeData, edgeIdx, edgeNum + i, 1);
|
|
}
|
|
}
|
|
|
|
if (edgeOrigIndex) {
|
|
for (i = 0; i < numFinalEdges; i++) {
|
|
edgeOrigIndex[edgeNum + i] = mapIndex;
|
|
}
|
|
}
|
|
|
|
edgeNum += numFinalEdges;
|
|
}
|
|
|
|
if (useSubsurfUv) {
|
|
CustomData *loop_data = &ccgdm->dm.loopData;
|
|
CustomData *dmldata = &dm->loopData;
|
|
int numlayer = CustomData_number_of_layers(loop_data, CD_PROP_FLOAT2);
|
|
int dmnumlayer = CustomData_number_of_layers(dmldata, CD_PROP_FLOAT2);
|
|
|
|
for (i = 0; i < numlayer && i < dmnumlayer; i++) {
|
|
set_subsurf_uv(ss, dm, &ccgdm->dm, i);
|
|
}
|
|
}
|
|
|
|
for (index = 0; index < totvert; index++) {
|
|
CCGVert *v = ccgdm->vertMap[index].vert;
|
|
int mapIndex = ccgDM_getVertMapIndex(ccgdm->ss, v);
|
|
int vertIdx;
|
|
|
|
vertIdx = POINTER_AS_INT(ccgSubSurf_getVertVertHandle(v));
|
|
|
|
ccgdm->vertMap[index].startVert = vertNum;
|
|
|
|
/* set the vert base vert */
|
|
*((int *)ccgSubSurf_getVertUserData(ss, v)) = vertNum;
|
|
|
|
DM_copy_vert_data(dm, &ccgdm->dm, vertIdx, vertNum, 1);
|
|
|
|
if (vertOrigIndex) {
|
|
*vertOrigIndex = mapIndex;
|
|
vertOrigIndex++;
|
|
}
|
|
vertNum++;
|
|
}
|
|
|
|
free_ss_weights(&wtable);
|
|
|
|
BLI_assert(vertNum == ccgSubSurf_getNumFinalVerts(ss));
|
|
BLI_assert(edgeNum == ccgSubSurf_getNumFinalEdges(ss));
|
|
BLI_assert(loopindex2 == ccgSubSurf_getNumFinalFaces(ss) * 4);
|
|
BLI_assert(faceNum == ccgSubSurf_getNumFinalFaces(ss));
|
|
}
|
|
|
|
static CCGDerivedMesh *getCCGDerivedMesh(CCGSubSurf *ss,
|
|
int drawInteriorEdges,
|
|
int useSubsurfUv,
|
|
DerivedMesh *dm)
|
|
{
|
|
const int totedge = ccgSubSurf_getNumEdges(ss);
|
|
const int totface = ccgSubSurf_getNumFaces(ss);
|
|
CCGDerivedMesh *ccgdm = MEM_cnew<CCGDerivedMesh>(__func__);
|
|
|
|
BLI_assert(totedge == ccgSubSurf_getNumEdges(ss));
|
|
UNUSED_VARS_NDEBUG(totedge);
|
|
BLI_assert(totface == ccgSubSurf_getNumFaces(ss));
|
|
DM_from_template(&ccgdm->dm,
|
|
dm,
|
|
DM_TYPE_CCGDM,
|
|
ccgSubSurf_getNumFinalVerts(ss),
|
|
ccgSubSurf_getNumFinalEdges(ss),
|
|
0,
|
|
ccgSubSurf_getNumFinalFaces(ss) * 4,
|
|
ccgSubSurf_getNumFinalFaces(ss));
|
|
CustomData_free_layer_named(&ccgdm->dm.vertData, "position", ccgSubSurf_getNumFinalVerts(ss));
|
|
CustomData_free_layer_named(&ccgdm->dm.edgeData, ".edge_verts", ccgSubSurf_getNumFinalEdges(ss));
|
|
CustomData_free_layer_named(
|
|
&ccgdm->dm.loopData, ".corner_vert", ccgSubSurf_getNumFinalFaces(ss) * 4);
|
|
CustomData_free_layer_named(
|
|
&ccgdm->dm.loopData, ".corner_edge", ccgSubSurf_getNumFinalFaces(ss) * 4);
|
|
MEM_SAFE_FREE(ccgdm->dm.face_offsets);
|
|
|
|
ccgdm->reverseFaceMap = static_cast<int *>(
|
|
MEM_callocN(sizeof(int) * ccgSubSurf_getNumFinalFaces(ss), "reverseFaceMap"));
|
|
|
|
create_ccgdm_maps(ccgdm, ss);
|
|
|
|
set_default_ccgdm_callbacks(ccgdm);
|
|
|
|
ccgdm->ss = ss;
|
|
ccgdm->drawInteriorEdges = drawInteriorEdges;
|
|
ccgdm->useSubsurfUv = useSubsurfUv;
|
|
|
|
/* CDDM hack. */
|
|
ccgdm->faceFlags = static_cast<DMFlagMat *>(
|
|
MEM_callocN(sizeof(DMFlagMat) * totface, "faceFlags"));
|
|
|
|
set_ccgdm_all_geometry(ccgdm, ss, dm, useSubsurfUv != 0);
|
|
|
|
ccgdm->dm.numVertData = ccgSubSurf_getNumFinalVerts(ss);
|
|
ccgdm->dm.numEdgeData = ccgSubSurf_getNumFinalEdges(ss);
|
|
ccgdm->dm.numPolyData = ccgSubSurf_getNumFinalFaces(ss);
|
|
ccgdm->dm.numLoopData = ccgdm->dm.numPolyData * 4;
|
|
ccgdm->dm.numTessFaceData = 0;
|
|
|
|
BLI_mutex_init(&ccgdm->loops_cache_lock);
|
|
BLI_rw_mutex_init(&ccgdm->origindex_cache_rwlock);
|
|
|
|
return ccgdm;
|
|
}
|
|
|
|
/***/
|
|
|
|
DerivedMesh *subsurf_make_derived_from_derived(DerivedMesh *dm,
|
|
SubsurfModifierData *smd,
|
|
const Scene *scene,
|
|
float (*vertCos)[3],
|
|
SubsurfFlags flags)
|
|
{
|
|
const CCGFlags useSimple = (smd->subdivType == ME_SIMPLE_SUBSURF) ? CCG_SIMPLE_SUBDIV :
|
|
CCGFlags(0);
|
|
const CCGFlags useAging = (smd->flags & eSubsurfModifierFlag_DebugIncr) ? CCG_USE_AGING :
|
|
CCGFlags(0);
|
|
const int useSubsurfUv = (smd->uv_smooth != SUBSURF_UV_SMOOTH_NONE);
|
|
const int drawInteriorEdges = !(smd->flags & eSubsurfModifierFlag_ControlEdges);
|
|
const bool ignore_simplify = (flags & SUBSURF_IGNORE_SIMPLIFY);
|
|
CCGDerivedMesh *result;
|
|
|
|
/* NOTE: editmode calculation can only run once per
|
|
* modifier stack evaluation (uses freed cache) #36299. */
|
|
if (flags & SUBSURF_FOR_EDIT_MODE) {
|
|
int levels = (scene != nullptr && !ignore_simplify) ?
|
|
get_render_subsurf_level(&scene->r, smd->levels, false) :
|
|
smd->levels;
|
|
|
|
/* TODO(sergey): Same as emCache below. */
|
|
if ((flags & SUBSURF_IN_EDIT_MODE) && smd->mCache) {
|
|
ccgSubSurf_free(static_cast<CCGSubSurf *>(smd->mCache));
|
|
smd->mCache = nullptr;
|
|
}
|
|
|
|
smd->emCache = _getSubSurf(static_cast<CCGSubSurf *>(smd->emCache),
|
|
levels,
|
|
3,
|
|
useSimple | useAging | CCG_CALC_NORMALS);
|
|
|
|
ss_sync_from_derivedmesh(
|
|
static_cast<CCGSubSurf *>(smd->emCache), dm, vertCos, useSimple, useSubsurfUv);
|
|
result = getCCGDerivedMesh(
|
|
static_cast<CCGSubSurf *>(smd->emCache), drawInteriorEdges, useSubsurfUv, dm);
|
|
}
|
|
else if (flags & SUBSURF_USE_RENDER_PARAMS) {
|
|
/* Do not use cache in render mode. */
|
|
CCGSubSurf *ss;
|
|
int levels = (scene != nullptr && !ignore_simplify) ?
|
|
get_render_subsurf_level(&scene->r, smd->renderLevels, true) :
|
|
smd->renderLevels;
|
|
|
|
if (levels == 0) {
|
|
return dm;
|
|
}
|
|
|
|
ss = _getSubSurf(nullptr, levels, 3, useSimple | CCG_USE_ARENA | CCG_CALC_NORMALS);
|
|
|
|
ss_sync_from_derivedmesh(ss, dm, vertCos, useSimple, useSubsurfUv);
|
|
|
|
result = getCCGDerivedMesh(ss, drawInteriorEdges, useSubsurfUv, dm);
|
|
|
|
result->freeSS = 1;
|
|
}
|
|
else {
|
|
int useIncremental = (smd->flags & eSubsurfModifierFlag_Incremental);
|
|
int levels = (scene != nullptr && !ignore_simplify) ?
|
|
get_render_subsurf_level(&scene->r, smd->levels, false) :
|
|
smd->levels;
|
|
CCGSubSurf *ss;
|
|
|
|
/* It is quite possible there is a much better place to do this. It
|
|
* depends a bit on how rigorously we expect this function to never
|
|
* be called in editmode. In semi-theory we could share a single
|
|
* cache, but the handles used inside and outside editmode are not
|
|
* the same so we would need some way of converting them. Its probably
|
|
* not worth the effort. But then why am I even writing this long
|
|
* comment that no one will read? Hmmm. - zr
|
|
*
|
|
* Addendum: we can't really ensure that this is never called in edit
|
|
* mode, so now we have a parameter to verify it. - brecht
|
|
*/
|
|
if (!(flags & SUBSURF_IN_EDIT_MODE) && smd->emCache) {
|
|
ccgSubSurf_free(static_cast<CCGSubSurf *>(smd->emCache));
|
|
smd->emCache = nullptr;
|
|
}
|
|
|
|
if (useIncremental && (flags & SUBSURF_IS_FINAL_CALC)) {
|
|
smd->mCache = ss = _getSubSurf(static_cast<CCGSubSurf *>(smd->mCache),
|
|
levels,
|
|
3,
|
|
useSimple | useAging | CCG_CALC_NORMALS);
|
|
|
|
ss_sync_from_derivedmesh(ss, dm, vertCos, useSimple, useSubsurfUv);
|
|
|
|
result = getCCGDerivedMesh(
|
|
static_cast<CCGSubSurf *>(smd->mCache), drawInteriorEdges, useSubsurfUv, dm);
|
|
}
|
|
else {
|
|
CCGFlags ccg_flags = useSimple | CCG_USE_ARENA | CCG_CALC_NORMALS;
|
|
CCGSubSurf *prevSS = nullptr;
|
|
|
|
if ((smd->mCache) && (flags & SUBSURF_IS_FINAL_CALC)) {
|
|
ccgSubSurf_free(static_cast<CCGSubSurf *>(smd->mCache));
|
|
smd->mCache = nullptr;
|
|
}
|
|
|
|
if (flags & SUBSURF_ALLOC_PAINT_MASK) {
|
|
ccg_flags |= CCG_ALLOC_MASK;
|
|
}
|
|
|
|
ss = _getSubSurf(prevSS, levels, 3, ccg_flags);
|
|
ss_sync_from_derivedmesh(ss, dm, vertCos, useSimple, useSubsurfUv);
|
|
|
|
result = getCCGDerivedMesh(ss, drawInteriorEdges, useSubsurfUv, dm);
|
|
|
|
if (flags & SUBSURF_IS_FINAL_CALC) {
|
|
smd->mCache = ss;
|
|
}
|
|
else {
|
|
result->freeSS = 1;
|
|
}
|
|
|
|
if (flags & SUBSURF_ALLOC_PAINT_MASK) {
|
|
ccgSubSurf_setNumLayers(ss, 4);
|
|
}
|
|
}
|
|
}
|
|
|
|
return (DerivedMesh *)result;
|
|
}
|
|
|
|
void subsurf_calculate_limit_positions(Mesh *me, float (*r_positions)[3])
|
|
{
|
|
/* Finds the subsurf limit positions for the verts in a mesh
|
|
* and puts them in an array of floats. Please note that the
|
|
* calculated vert positions is incorrect for the verts
|
|
* on the boundary of the mesh.
|
|
*/
|
|
CCGSubSurf *ss = _getSubSurf(nullptr, 1, 3, CCG_USE_ARENA);
|
|
float edge_sum[3], face_sum[3];
|
|
CCGVertIterator vi;
|
|
DerivedMesh *dm = CDDM_from_mesh(me);
|
|
|
|
ss_sync_from_derivedmesh(ss, dm, nullptr, 0, false);
|
|
|
|
for (ccgSubSurf_initVertIterator(ss, &vi); !ccgVertIterator_isStopped(&vi);
|
|
ccgVertIterator_next(&vi))
|
|
{
|
|
CCGVert *v = ccgVertIterator_getCurrent(&vi);
|
|
int idx = POINTER_AS_INT(ccgSubSurf_getVertVertHandle(v));
|
|
int N = ccgSubSurf_getVertNumEdges(v);
|
|
int numFaces = ccgSubSurf_getVertNumFaces(v);
|
|
int i;
|
|
|
|
zero_v3(edge_sum);
|
|
zero_v3(face_sum);
|
|
|
|
for (i = 0; i < N; i++) {
|
|
CCGEdge *e = ccgSubSurf_getVertEdge(v, i);
|
|
add_v3_v3v3(
|
|
edge_sum, edge_sum, static_cast<const float *>(ccgSubSurf_getEdgeData(ss, e, 1)));
|
|
}
|
|
for (i = 0; i < numFaces; i++) {
|
|
CCGFace *f = ccgSubSurf_getVertFace(v, i);
|
|
add_v3_v3(face_sum, static_cast<const float *>(ccgSubSurf_getFaceCenterData(f)));
|
|
}
|
|
|
|
/* ad-hoc correction for boundary vertices, to at least avoid them
|
|
* moving completely out of place (brecht) */
|
|
if (numFaces && numFaces != N) {
|
|
mul_v3_fl(face_sum, float(N) / float(numFaces));
|
|
}
|
|
|
|
const float *co = static_cast<const float *>(ccgSubSurf_getVertData(ss, v));
|
|
r_positions[idx][0] = (co[0] * N * N + edge_sum[0] * 4 + face_sum[0]) / (N * (N + 5));
|
|
r_positions[idx][1] = (co[1] * N * N + edge_sum[1] * 4 + face_sum[1]) / (N * (N + 5));
|
|
r_positions[idx][2] = (co[2] * N * N + edge_sum[2] * 4 + face_sum[2]) / (N * (N + 5));
|
|
}
|
|
|
|
ccgSubSurf_free(ss);
|
|
|
|
dm->release(dm);
|
|
}
|