diff options
Diffstat (limited to 'source/blender')
-rw-r--r-- | source/blender/freestyle/intern/blender_interface/BlenderStrokeRenderer.cpp | 179 |
1 files changed, 122 insertions, 57 deletions
diff --git a/source/blender/freestyle/intern/blender_interface/BlenderStrokeRenderer.cpp b/source/blender/freestyle/intern/blender_interface/BlenderStrokeRenderer.cpp index f8c87fd0029..e7f43f71ade 100644 --- a/source/blender/freestyle/intern/blender_interface/BlenderStrokeRenderer.cpp +++ b/source/blender/freestyle/intern/blender_interface/BlenderStrokeRenderer.cpp @@ -23,6 +23,7 @@ extern "C" { #include "BKE_library.h" /* free_libblock */ #include "BKE_material.h" #include "BKE_main.h" /* struct Main */ +#include "BKE_mesh.h" #include "BKE_object.h" #include "BKE_scene.h" @@ -178,7 +179,7 @@ void BlenderStrokeRenderer::RenderStrokeRepBasic(StrokeRep *iStrokeRep) const{ Strip::vertex_container::iterator v[3]; StrokeVertexRep *svRep[3]; Vec3r color[3]; - unsigned int vertex_index; + unsigned int vertex_index, edge_index, loop_index; Vec2r p; for(vector<Strip*>::iterator s=strips.begin(), send=strips.end(); @@ -187,7 +188,7 @@ void BlenderStrokeRenderer::RenderStrokeRepBasic(StrokeRep *iStrokeRep) const{ Strip::vertex_container& strip_vertices = (*s)->vertices(); int strip_vertex_count = (*s)->sizeStrip(); - int m, n, visible_faces, visible_segments; + int xl, xu, yl, yu, n, visible_faces, visible_segments; bool visible; // iterate over all vertices and count visible faces and strip segments @@ -203,13 +204,13 @@ void BlenderStrokeRenderer::RenderStrokeRepBasic(StrokeRep *iStrokeRep) const{ svRep[0] = *(v[0]); svRep[1] = *(v[1]); svRep[2] = *(v[2]); - m = 0; + xl = xu = yl = yu = 0; for (int j = 0; j < 3; j++) { p = svRep[j]->point2d(); - if (p[0] < 0.0 || p[0] > _width || p[1] < 0.0 || p[1] > _height) - m++; + if (p[0] < 0.0) xl++; else if (p[0] > _width) xu++; + if (p[1] < 0.0) yl++; else if (p[1] > _height) yu++; } - if (m == 3) { + if (xl == 3 || xu == 3 || yl == 3 || yu == 3) { visible = false; } else { visible_faces++; @@ -239,61 +240,79 @@ void BlenderStrokeRenderer::RenderStrokeRepBasic(StrokeRep *iStrokeRep) const{ assign_material(object_mesh, material, object_mesh->totcol+1); object_mesh->actcol= object_mesh->totcol; #endif - + // vertices allocation mesh->totvert = visible_faces + visible_segments * 2; mesh->mvert = (MVert*) CustomData_add_layer( &mesh->vdata, CD_MVERT, CD_CALLOC, NULL, mesh->totvert); + // edges allocation + mesh->totedge = visible_faces * 2 + visible_segments; + mesh->medge = (MEdge*) CustomData_add_layer( &mesh->edata, CD_MEDGE, CD_CALLOC, NULL, mesh->totedge); + // faces allocation - mesh->totface = visible_faces; - mesh->mface = (MFace*) CustomData_add_layer( &mesh->fdata, CD_MFACE, CD_CALLOC, NULL, mesh->totface); + mesh->totpoly = visible_faces; + mesh->mpoly= (MPoly*) CustomData_add_layer( &mesh->pdata, CD_MPOLY, CD_CALLOC, NULL, mesh->totpoly); + + // loops allocation + mesh->totloop = visible_faces * 3; + mesh->mloop= (MLoop*) CustomData_add_layer( &mesh->ldata, CD_MLOOP, CD_CALLOC, NULL, mesh->totloop); - // colors allocation - me.vertexColors = True - mesh->mcol = (MCol *) CustomData_add_layer( &mesh->fdata, CD_MCOL, CD_CALLOC, NULL, mesh->totface ); + // colors allocation + mesh->mloopcol = (MLoopCol *) CustomData_add_layer( &mesh->ldata, CD_MLOOPCOL, CD_CALLOC, NULL, mesh->totloop); //////////////////// // Data copy //////////////////// MVert* vertices = mesh->mvert; - MFace* faces = mesh->mface; - MCol* colors = mesh->mcol; - - v[0] = strip_vertices.begin(); + MEdge* edges = mesh->medge; + MPoly* polys = mesh->mpoly; + MLoop* loops = mesh->mloop; + MLoopCol* colors = mesh->mloopcol; + + v[0] = strip_vertices.begin(); v[1] = v[0]; ++(v[1]); v[2] = v[1]; ++(v[2]); - vertex_index = 0; + vertex_index = edge_index = loop_index = 0; visible = false; - - for (n = 2; n < strip_vertex_count; n++) + + // Note: Mesh generation in the following loop assumes stroke strips + // to be triangle strips. + for (n = 2; n < strip_vertex_count; n++) { svRep[0] = *(v[0]); svRep[1] = *(v[1]); svRep[2] = *(v[2]); - m = 0; + xl = xu = yl = yu = 0; for (int j = 0; j < 3; j++) { p = svRep[j]->point2d(); - if (p[0] < 0.0 || p[0] > _width || p[1] < 0.0 || p[1] > _height) - m++; + if (p[0] < 0.0) xl++; else if (p[0] > _width) xu++; + if (p[1] < 0.0) yl++; else if (p[1] > _height) yu++; } - if (m == 3) { + if (xl == 3 || xu == 3 || yl == 3 || yu == 3) { visible = false; } else { if (!visible) { - vertex_index += 2; - // first vertex vertices->co[0] = svRep[0]->point2d()[0]; vertices->co[1] = svRep[0]->point2d()[1]; vertices->co[2] = get_stroke_vertex_z(); ++vertices; + ++vertex_index; // second vertex vertices->co[0] = svRep[1]->point2d()[0]; vertices->co[1] = svRep[1]->point2d()[1]; vertices->co[2] = get_stroke_vertex_z(); ++vertices; + ++vertex_index; + + // first edge + edges->v1 = vertex_index - 2; + edges->v2 = vertex_index - 1; + ++edges; + ++edge_index; } visible = true; @@ -301,44 +320,90 @@ void BlenderStrokeRenderer::RenderStrokeRepBasic(StrokeRep *iStrokeRep) const{ vertices->co[0] = svRep[2]->point2d()[0]; vertices->co[1] = svRep[2]->point2d()[1]; vertices->co[2] = get_stroke_vertex_z(); - - // faces - faces->v1 = vertex_index - 2; - faces->v2 = vertex_index - 1; - faces->v3 = vertex_index; - faces->v4 = 0; - - // colors - // red and blue are swapped - cf DNA_meshdata_types.h : MCol - color[0] = svRep[0]->color(); - color[1] = svRep[1]->color(); - color[2] = svRep[2]->color(); - - colors->r = (short)(255.0f*(color[0])[2]); - colors->g = (short)(255.0f*(color[0])[1]); - colors->b = (short)(255.0f*(color[0])[0]); - colors->a = (short)(255.0f*svRep[0]->alpha()); - ++colors; - - colors->r = (short)(255.0f*(color[1])[2]); - colors->g = (short)(255.0f*(color[1])[1]); - colors->b = (short)(255.0f*(color[1])[0]); - colors->a = (short)(255.0f*svRep[1]->alpha()); - ++colors; - - colors->r = (short)(255.0f*(color[2])[2]); - colors->g = (short)(255.0f*(color[2])[1]); - colors->b = (short)(255.0f*(color[2])[0]); - colors->a = (short)(255.0f*svRep[2]->alpha()); - ++colors; - - ++faces; ++vertices; ++colors; + ++vertices; ++vertex_index; + + // edges + edges->v1 = vertex_index - 1; + edges->v2 = vertex_index - 3; + ++edges; + ++edge_index; + + edges->v1 = vertex_index - 1; + edges->v2 = vertex_index - 2; + ++edges; + ++edge_index; + + // poly + polys->loopstart = loop_index; + polys->totloop = 3; + ++polys; + + // loops + if (n % 2 == 0) { + loops[0].v = vertex_index - 1; + loops[0].e = edge_index - 1; + + loops[1].v = vertex_index - 2; + loops[1].e = edge_index - 3; + + loops[2].v = vertex_index - 3; + loops[2].e = edge_index - 2; + } else { + loops[0].v = vertex_index - 1; + loops[0].e = edge_index - 2; + + loops[1].v = vertex_index - 3; + loops[1].e = edge_index - 3; + + loops[2].v = vertex_index - 2; + loops[2].e = edge_index - 1; + } + loops += 3; + loop_index += 3; + + // colors + if (n % 2 == 0) { + colors[0].r = (short)(255.0f*svRep[2]->color()[0]); + colors[0].g = (short)(255.0f*svRep[2]->color()[1]); + colors[0].b = (short)(255.0f*svRep[2]->color()[2]); + colors[0].a = (short)(255.0f*svRep[2]->alpha()); + + colors[1].r = (short)(255.0f*svRep[1]->color()[0]); + colors[1].g = (short)(255.0f*svRep[1]->color()[1]); + colors[1].b = (short)(255.0f*svRep[1]->color()[2]); + colors[1].a = (short)(255.0f*svRep[1]->alpha()); + + colors[2].r = (short)(255.0f*svRep[0]->color()[0]); + colors[2].g = (short)(255.0f*svRep[0]->color()[1]); + colors[2].b = (short)(255.0f*svRep[0]->color()[2]); + colors[2].a = (short)(255.0f*svRep[0]->alpha()); + } else { + colors[0].r = (short)(255.0f*svRep[2]->color()[0]); + colors[0].g = (short)(255.0f*svRep[2]->color()[1]); + colors[0].b = (short)(255.0f*svRep[2]->color()[2]); + colors[0].a = (short)(255.0f*svRep[2]->alpha()); + + colors[1].r = (short)(255.0f*svRep[0]->color()[0]); + colors[1].g = (short)(255.0f*svRep[0]->color()[1]); + colors[1].b = (short)(255.0f*svRep[0]->color()[2]); + colors[1].a = (short)(255.0f*svRep[0]->alpha()); + + colors[2].r = (short)(255.0f*svRep[1]->color()[0]); + colors[2].g = (short)(255.0f*svRep[1]->color()[1]); + colors[2].b = (short)(255.0f*svRep[1]->color()[2]); + colors[2].a = (short)(255.0f*svRep[1]->alpha()); + } + colors += 3; + } ++v[0]; ++v[1]; ++v[2]; } // loop over strip vertices - +#if 0 + BKE_mesh_validate(mesh, TRUE); +#endif + } // loop over strips } |