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metaforce/DataSpec/DNAMP1/PATH.cpp

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C++
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#include "PATH.hpp"
#include "hecl/Blender/Connection.hpp"
#include "zeus/CAABox.hpp"
#include "DataSpec/DNACommon/AROTBuilder.hpp"
namespace DataSpec::DNAMP1 {
#define DUMP_OCTREE 0
#if DUMP_OCTREE
/* octree dumper */
static void OutputOctreeNode(hecl::blender::PyOutStream& os, int idx, const zeus::CAABox& aabb) {
const zeus::CVector3f pos = aabb.center();
const zeus::CVector3f extent = aabb.extents();
os.format(
"obj = bpy.data.objects.new('Leaf_%d', None)\n"
"bpy.context.scene.collection.objects.link(obj)\n"
"obj.location = (%f,%f,%f)\n"
"obj.scale = (%f,%f,%f)\n"
"obj.empty_display_type = 'CUBE'\n"
"obj.layers[1] = True\n"
"obj.layers[0] = False\n", idx,
pos.x(), pos.y(), pos.z(), extent.x(), extent.y(), extent.z());
}
#endif
void PATH::sendToBlender(hecl::blender::Connection& conn, std::string_view entryName, const zeus::CMatrix4f* xf) {
/* Open Py Stream and read sections */
hecl::blender::PyOutStream os = conn.beginPythonOut(true);
os <<
"import bpy\n"
"import bmesh\n"
"from mathutils import Vector, Matrix\n"
"\n"
"bpy.types.Material.retro_path_idx_mask = bpy.props.IntProperty(name='Retro: Path Index Mask')\n"
"bpy.types.Material.retro_path_type_mask = bpy.props.IntProperty(name='Retro: Path Type Mask')\n"
"\n"
"material_dict = {}\n"
"material_index = []\n"
"def make_ground_material(idxMask):\n"
" mat = bpy.data.materials.new('Ground %X' % idxMask)\n"
" mat.diffuse_color = (0.8, 0.460, 0.194, 1.0)\n"
" return mat\n"
"def make_flyer_material(idxMask):\n"
" mat = bpy.data.materials.new('Flyer %X' % idxMask)\n"
" mat.diffuse_color = (0.016, 0.8, 0.8, 1.0)\n"
" return mat\n"
"def make_swimmer_material(idxMask):\n"
" mat = bpy.data.materials.new('Swimmer %X' % idxMask)\n"
" mat.diffuse_color = (0.074, 0.293, 0.8, 1.0)\n"
" return mat\n"
"def select_material(meshIdxMask, meshTypeMask):\n"
" key = (meshIdxMask, meshTypeMask)\n"
" if key in material_index:\n"
" return material_index.index(key)\n"
" elif key in material_dict:\n"
" material_index.append(key)\n"
" return len(material_index)-1\n"
" else:\n"
" if meshTypeMask == 0x2:\n"
" mat = make_flyer_material(meshIdxMask)\n"
" elif meshTypeMask == 0x4:\n"
" mat = make_swimmer_material(meshIdxMask)\n"
" else:\n"
" mat = make_ground_material(meshIdxMask)\n"
" mat.retro_path_idx_mask = meshIdxMask\n"
" mat.retro_path_type_mask = meshTypeMask\n"
" material_dict[key] = mat\n"
" material_index.append(key)\n"
" return len(material_index)-1\n"
"\n";
os.format(fmt("bpy.context.scene.name = '{}'\n"), entryName);
os <<
"# Clear Scene\n"
"if len(bpy.data.collections):\n"
" bpy.data.collections.remove(bpy.data.collections[0])\n"
"\n"
"bm = bmesh.new()\n"
"height_lay = bm.faces.layers.float.new('Height')\n";
for (const Node& n : nodes) {
zeus::simd_floats f(n.position.simd);
os.format(fmt("bm.verts.new(({},{},{}))\n"), f[0], f[1], f[2]);
}
os << "bm.verts.ensure_lookup_table()\n";
for (const Region& r : regions) {
os << "tri_verts = []\n";
for (atUint32 i = 0; i < r.nodeCount; ++i)
os.format(fmt("tri_verts.append(bm.verts[{}])\n"), r.nodeStart + i);
os.format(fmt(
"face = bm.faces.get(tri_verts)\n"
"if face is None:\n"
" face = bm.faces.new(tri_verts)\n"
" face.normal_flip()\n"
"face.material_index = select_material(0x{:04X}, 0x{:04X})\n"
"face.smooth = False\n"
"face[height_lay] = {}\n"
"\n"),
r.meshIndexMask, r.meshTypeMask, r.height);
#if 0
const zeus::CVector3f center = xf->multiplyOneOverW(r.centroid);
zeus::CAABox aabb(xf->multiplyOneOverW(r.aabb[0]), xf->multiplyOneOverW(r.aabb[1]));
os.format(fmt("aabb = bpy.data.objects.new('AABB', None)\n")
"aabb.location = (%f,%f,%f)\n"
"aabb.scale = (%f,%f,%f)\n"
"aabb.empty_display_type = 'CUBE'\n"
"bpy.context.scene.collection.objects.link(aabb)\n"
"centr = bpy.data.objects.new('Center', None)\n"
"centr.location = (%f,%f,%f)\n"
"bpy.context.scene.collection.objects.link(centr)\n",
aabb.min[0] + (aabb.max[0] - aabb.min[0]) / 2.f,
aabb.min[1] + (aabb.max[1] - aabb.min[1]) / 2.f,
aabb.min[2] + (aabb.max[2] - aabb.min[2]) / 2.f,
(aabb.max[0] - aabb.min[0]) / 2.f,
(aabb.max[1] - aabb.min[1]) / 2.f,
(aabb.max[2] - aabb.min[2]) / 2.f,
center.x(), center.y(), center.z());
#endif
}
#if 0
for (const Node& n : nodes) {
zeus::simd_floats f(n.position.simd);
zeus::simd_floats no(n.position.simd + n.normal.simd);
os.format(fmt("v = bm.verts.new((%f,%f,%f))\n")
"v2 = bm.verts.new((%f,%f,%f))\n"
"bm.edges.new((v, v2))\n", f[0], f[1], f[2], no[0], no[1], no[2]);
}
#endif
os << "bmesh.ops.remove_doubles(bm, verts=bm.verts, dist=0.001)\n"
"path_mesh = bpy.data.meshes.new('PATH')\n"
"bm.to_mesh(path_mesh)\n"
"path_mesh_obj = bpy.data.objects.new(path_mesh.name, path_mesh)\n"
"\n"
"for mat_name in material_index:\n"
" mat = material_dict[mat_name]\n"
" path_mesh.materials.append(mat)\n"
"\n"
"bpy.context.scene.collection.objects.link(path_mesh_obj)\n"
"path_mesh_obj.display_type = 'SOLID'\n"
"bpy.context.scene.hecl_path_obj = path_mesh_obj.name\n"
"\n";
if (xf) {
const zeus::CMatrix4f& w = *xf;
zeus::simd_floats xfMtxF[4];
for (int i = 0; i < 4; ++i)
w.m[i].mSimd.copy_to(xfMtxF[i]);
os.format(fmt(
"mtx = Matrix((({},{},{},{}),({},{},{},{}),({},{},{},{}),(0.0,0.0,0.0,1.0)))\n"
"mtxd = mtx.decompose()\n"
"path_mesh_obj.rotation_mode = 'QUATERNION'\n"
"path_mesh_obj.location = mtxd[0]\n"
"path_mesh_obj.rotation_quaternion = mtxd[1]\n"
"path_mesh_obj.scale = mtxd[2]\n"),
xfMtxF[0][0], xfMtxF[1][0], xfMtxF[2][0], xfMtxF[3][0], xfMtxF[0][1], xfMtxF[1][1], xfMtxF[2][1], xfMtxF[3][1],
xfMtxF[0][2], xfMtxF[1][2], xfMtxF[2][2], xfMtxF[3][2]);
}
#if DUMP_OCTREE
{
int idx = 0;
for (const auto& n : octree) {
if (n.isLeaf)
OutputOctreeNode(os, idx, zeus::CAABox(n.aabb[0], n.aabb[1]));
++idx;
}
}
#endif
os.linkBackground("//!area.blend");
os.centerView();
os.close();
}
bool PATH::Extract(const SpecBase& dataSpec, PAKEntryReadStream& rs, const hecl::ProjectPath& outPath,
PAKRouter<PAKBridge>& pakRouter, const PAK::Entry& entry, bool force, hecl::blender::Token& btok,
std::function<void(const hecl::SystemChar*)> fileChanged) {
PATH path;
path.read(rs);
hecl::blender::Connection& conn = btok.getBlenderConnection();
if (!conn.createBlend(outPath, hecl::blender::BlendType::PathMesh))
return false;
const zeus::CMatrix4f* xf = pakRouter.lookupMAPATransform(entry.id);
path.sendToBlender(conn, pakRouter.getBestEntryName(entry, false), xf);
return conn.saveBlend();
}
bool PATH::Cook(const hecl::ProjectPath& outPath, const hecl::ProjectPath& inPath,
const PathMesh& mesh, hecl::blender::Token& btok) {
athena::io::MemoryReader r(mesh.data.data(), mesh.data.size());
PATH path;
path.read(r);
if (!path.regions.empty()) {
AROTBuilder octreeBuilder;
octreeBuilder.buildPath(path);
} else {
path.octreeNodeCount = 1;
path.octree.emplace_back();
OctreeNode& n = path.octree.back();
n.isLeaf = 1;
n.aabb[0] = zeus::CVector3f{FLT_MAX, FLT_MAX, FLT_MAX};
n.aabb[1] = zeus::CVector3f{-FLT_MAX, -FLT_MAX, -FLT_MAX};
for (int i = 0; i < 8; ++i)
n.children[i] = 0xffffffff;
}
#if DUMP_OCTREE
{
hecl::blender::Connection& conn = btok.getBlenderConnection();
if (!conn.createBlend(inPath.getWithExtension(_SYS_STR(".octree.blend"), true), hecl::blender::BlendType::PathMesh))
return false;
zeus::CMatrix4f xf;
path.sendToBlender(conn, "PATH"sv, &xf);
conn.saveBlend();
}
#endif
athena::io::FileWriter w(outPath.getAbsolutePath());
path.write(w);
int64_t rem = w.position() % 32;
if (rem)
for (int64_t i = 0; i < 32 - rem; ++i)
w.writeUByte(0xff);
return true;
}
} // namespace DataSpec::DNAMP1
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