diff options
Diffstat (limited to 'scene/3d/baked_lightmap.cpp')
| -rw-r--r-- | scene/3d/baked_lightmap.cpp | 1618 |
1 files changed, 1131 insertions, 487 deletions
diff --git a/scene/3d/baked_lightmap.cpp b/scene/3d/baked_lightmap.cpp index 6bde56104e..6efe7f60b2 100644 --- a/scene/3d/baked_lightmap.cpp +++ b/scene/3d/baked_lightmap.cpp @@ -28,72 +28,24 @@ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /*************************************************************************/ -#if 0 #include "baked_lightmap.h" #include "core/io/config_file.h" #include "core/io/resource_saver.h" +#include "core/math/camera_matrix.h" +#include "core/math/delaunay_3d.h" #include "core/os/dir_access.h" +#include "core/os/file_access.h" #include "core/os/os.h" -#include "voxel_light_baker.h" +#include "core/sort_array.h" +#include "lightmap_probe.h" -void BakedLightmapData::set_bounds(const AABB &p_bounds) { +void BakedLightmapData::add_user(const NodePath &p_path, const Rect2 &p_uv_scale, int p_slice_index, int32_t p_sub_instance) { - bounds = p_bounds; - RS::get_singleton()->lightmap_capture_set_bounds(baked_light, p_bounds); -} - -AABB BakedLightmapData::get_bounds() const { - - return bounds; -} - -void BakedLightmapData::set_octree(const Vector<uint8_t> &p_octree) { - - RS::get_singleton()->lightmap_capture_set_octree(baked_light, p_octree); -} - -Vector<uint8_t> BakedLightmapData::get_octree() const { - - return RS::get_singleton()->lightmap_capture_get_octree(baked_light); -} - -void BakedLightmapData::set_cell_space_transform(const Transform &p_xform) { - - cell_space_xform = p_xform; - RS::get_singleton()->lightmap_capture_set_octree_cell_transform(baked_light, p_xform); -} - -Transform BakedLightmapData::get_cell_space_transform() const { - return cell_space_xform; -} - -void BakedLightmapData::set_cell_subdiv(int p_cell_subdiv) { - cell_subdiv = p_cell_subdiv; - RS::get_singleton()->lightmap_capture_set_octree_cell_subdiv(baked_light, p_cell_subdiv); -} - -int BakedLightmapData::get_cell_subdiv() const { - return cell_subdiv; -} - -void BakedLightmapData::set_energy(float p_energy) { - - energy = p_energy; - RS::get_singleton()->lightmap_capture_set_energy(baked_light, energy); -} - -float BakedLightmapData::get_energy() const { - - return energy; -} - -void BakedLightmapData::add_user(const NodePath &p_path, const Ref<Texture2D> &p_lightmap, int p_instance) { - - ERR_FAIL_COND_MSG(p_lightmap.is_null(), "It's not a reference to a valid Texture object."); User user; user.path = p_path; - user.lightmap = p_lightmap; - user.instance_index = p_instance; + user.uv_scale = p_uv_scale; + user.slice_index = p_slice_index; + user.sub_instance = p_sub_instance; users.push_back(user); } @@ -106,16 +58,23 @@ NodePath BakedLightmapData::get_user_path(int p_user) const { ERR_FAIL_INDEX_V(p_user, users.size(), NodePath()); return users[p_user].path; } -Ref<Texture2D> BakedLightmapData::get_user_lightmap(int p_user) const { - ERR_FAIL_INDEX_V(p_user, users.size(), Ref<Texture2D>()); - return users[p_user].lightmap; +int32_t BakedLightmapData::get_user_sub_instance(int p_user) const { + + ERR_FAIL_INDEX_V(p_user, users.size(), -1); + return users[p_user].sub_instance; +} + +Rect2 BakedLightmapData::get_user_lightmap_uv_scale(int p_user) const { + + ERR_FAIL_INDEX_V(p_user, users.size(), Rect2()); + return users[p_user].uv_scale; } -int BakedLightmapData::get_user_instance(int p_user) const { +int BakedLightmapData::get_user_lightmap_slice_index(int p_user) const { ERR_FAIL_INDEX_V(p_user, users.size(), -1); - return users[p_user].instance_index; + return users[p_user].slice_index; } void BakedLightmapData::clear_users() { @@ -124,10 +83,10 @@ void BakedLightmapData::clear_users() { void BakedLightmapData::_set_user_data(const Array &p_data) { - ERR_FAIL_COND((p_data.size() % 3) != 0); + ERR_FAIL_COND((p_data.size() % 4) != 0); - for (int i = 0; i < p_data.size(); i += 3) { - add_user(p_data[i], p_data[i + 1], p_data[i + 2]); + for (int i = 0; i < p_data.size(); i += 4) { + add_user(p_data[i + 0], p_data[i + 1], p_data[i + 2], p_data[i + 3]); } } @@ -136,522 +95,1132 @@ Array BakedLightmapData::_get_user_data() const { Array ret; for (int i = 0; i < users.size(); i++) { ret.push_back(users[i].path); - ret.push_back(users[i].lightmap); - ret.push_back(users[i].instance_index); + ret.push_back(users[i].uv_scale); + ret.push_back(users[i].slice_index); + ret.push_back(users[i].sub_instance); } return ret; } RID BakedLightmapData::get_rid() const { - return baked_light; + return lightmap; } -void BakedLightmapData::_bind_methods() { - ClassDB::bind_method(D_METHOD("_set_user_data", "data"), &BakedLightmapData::_set_user_data); - ClassDB::bind_method(D_METHOD("_get_user_data"), &BakedLightmapData::_get_user_data); +void BakedLightmapData::clear() { + users.clear(); +} - ClassDB::bind_method(D_METHOD("set_bounds", "bounds"), &BakedLightmapData::set_bounds); - ClassDB::bind_method(D_METHOD("get_bounds"), &BakedLightmapData::get_bounds); +void BakedLightmapData::set_light_texture(const Ref<TextureLayered> &p_light_texture) { + light_texture = p_light_texture; + RS::get_singleton()->lightmap_set_textures(lightmap, light_texture.is_valid() ? light_texture->get_rid() : RID(), uses_spherical_harmonics); +} - ClassDB::bind_method(D_METHOD("set_cell_space_transform", "xform"), &BakedLightmapData::set_cell_space_transform); - ClassDB::bind_method(D_METHOD("get_cell_space_transform"), &BakedLightmapData::get_cell_space_transform); +Ref<TextureLayered> BakedLightmapData::get_light_texture() const { + return light_texture; +} - ClassDB::bind_method(D_METHOD("set_cell_subdiv", "cell_subdiv"), &BakedLightmapData::set_cell_subdiv); - ClassDB::bind_method(D_METHOD("get_cell_subdiv"), &BakedLightmapData::get_cell_subdiv); +void BakedLightmapData::set_uses_spherical_harmonics(bool p_enable) { + uses_spherical_harmonics = p_enable; + RS::get_singleton()->lightmap_set_textures(lightmap, light_texture.is_valid() ? light_texture->get_rid() : RID(), uses_spherical_harmonics); +} - ClassDB::bind_method(D_METHOD("set_octree", "octree"), &BakedLightmapData::set_octree); - ClassDB::bind_method(D_METHOD("get_octree"), &BakedLightmapData::get_octree); +bool BakedLightmapData::is_using_spherical_harmonics() const { + return uses_spherical_harmonics; +} - ClassDB::bind_method(D_METHOD("set_energy", "energy"), &BakedLightmapData::set_energy); - ClassDB::bind_method(D_METHOD("get_energy"), &BakedLightmapData::get_energy); +void BakedLightmapData::set_capture_data(const AABB &p_bounds, bool p_interior, const PackedVector3Array &p_points, const PackedColorArray &p_point_sh, const PackedInt32Array &p_tetrahedra, const PackedInt32Array &p_bsp_tree) { + if (p_points.size()) { + int pc = p_points.size(); + ERR_FAIL_COND(pc * 9 != p_point_sh.size()); + ERR_FAIL_COND((p_tetrahedra.size() % 4) != 0); + ERR_FAIL_COND((p_bsp_tree.size() % 6) != 0); + RS::get_singleton()->lightmap_set_probe_capture_data(lightmap, p_points, p_point_sh, p_tetrahedra, p_bsp_tree); + RS::get_singleton()->lightmap_set_probe_bounds(lightmap, p_bounds); + RS::get_singleton()->lightmap_set_probe_interior(lightmap, p_interior); + } else { + RS::get_singleton()->lightmap_set_probe_capture_data(lightmap, PackedVector3Array(), PackedColorArray(), PackedInt32Array(), PackedInt32Array()); + RS::get_singleton()->lightmap_set_probe_bounds(lightmap, AABB()); + RS::get_singleton()->lightmap_set_probe_interior(lightmap, false); + } + interior = p_interior; + bounds = p_bounds; +} - ClassDB::bind_method(D_METHOD("add_user", "path", "lightmap", "instance"), &BakedLightmapData::add_user); - ClassDB::bind_method(D_METHOD("get_user_count"), &BakedLightmapData::get_user_count); - ClassDB::bind_method(D_METHOD("get_user_path", "user_idx"), &BakedLightmapData::get_user_path); - ClassDB::bind_method(D_METHOD("get_user_lightmap", "user_idx"), &BakedLightmapData::get_user_lightmap); - ClassDB::bind_method(D_METHOD("clear_users"), &BakedLightmapData::clear_users); +PackedVector3Array BakedLightmapData::get_capture_points() const { + return RS::get_singleton()->lightmap_get_probe_capture_points(lightmap); +} +PackedColorArray BakedLightmapData::get_capture_sh() const { + return RS::get_singleton()->lightmap_get_probe_capture_sh(lightmap); +} +PackedInt32Array BakedLightmapData::get_capture_tetrahedra() const { + return RS::get_singleton()->lightmap_get_probe_capture_tetrahedra(lightmap); +} - ADD_PROPERTY(PropertyInfo(Variant::AABB, "bounds", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "set_bounds", "get_bounds"); - ADD_PROPERTY(PropertyInfo(Variant::TRANSFORM, "cell_space_transform", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "set_cell_space_transform", "get_cell_space_transform"); - ADD_PROPERTY(PropertyInfo(Variant::INT, "cell_subdiv", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "set_cell_subdiv", "get_cell_subdiv"); - ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "energy", PROPERTY_HINT_RANGE, "0,16,0.01,or_greater"), "set_energy", "get_energy"); - ADD_PROPERTY(PropertyInfo(Variant::PACKED_BYTE_ARRAY, "octree", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "set_octree", "get_octree"); - ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "user_data", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_INTERNAL), "_set_user_data", "_get_user_data"); +PackedInt32Array BakedLightmapData::get_capture_bsp_tree() const { + return RS::get_singleton()->lightmap_get_probe_capture_bsp_tree(lightmap); } -BakedLightmapData::BakedLightmapData() { +AABB BakedLightmapData::get_capture_bounds() const { + return bounds; +} - baked_light = RS::get_singleton()->lightmap_capture_create(); - energy = 1; - cell_subdiv = 1; +bool BakedLightmapData::is_interior() const { + return interior; } -BakedLightmapData::~BakedLightmapData() { +void BakedLightmapData::_set_probe_data(const Dictionary &p_data) { + ERR_FAIL_COND(!p_data.has("bounds")); + ERR_FAIL_COND(!p_data.has("points")); + ERR_FAIL_COND(!p_data.has("tetrahedra")); + ERR_FAIL_COND(!p_data.has("bsp")); + ERR_FAIL_COND(!p_data.has("sh")); + ERR_FAIL_COND(!p_data.has("interior")); + set_capture_data(p_data["bounds"], p_data["interior"], p_data["points"], p_data["sh"], p_data["tetrahedra"], p_data["bsp"]); +} - RS::get_singleton()->free(baked_light); +Dictionary BakedLightmapData::_get_probe_data() const { + Dictionary d; + d["bounds"] = get_capture_bounds(); + d["points"] = get_capture_points(); + d["tetrahedra"] = get_capture_tetrahedra(); + d["bsp"] = get_capture_bsp_tree(); + d["sh"] = get_capture_sh(); + d["interior"] = is_interior(); + return d; } +void BakedLightmapData::_bind_methods() { -/////////////////////////// + ClassDB::bind_method(D_METHOD("_set_user_data", "data"), &BakedLightmapData::_set_user_data); + ClassDB::bind_method(D_METHOD("_get_user_data"), &BakedLightmapData::_get_user_data); -BakedLightmap::BakeBeginFunc BakedLightmap::bake_begin_function = nullptr; -BakedLightmap::BakeStepFunc BakedLightmap::bake_step_function = nullptr; -BakedLightmap::BakeEndFunc BakedLightmap::bake_end_function = nullptr; + ClassDB::bind_method(D_METHOD("set_light_texture", "light_texture"), &BakedLightmapData::set_light_texture); + ClassDB::bind_method(D_METHOD("get_light_texture"), &BakedLightmapData::get_light_texture); -void BakedLightmap::set_bake_cell_size(float p_cell_size) { - bake_cell_size = p_cell_size; -} + ClassDB::bind_method(D_METHOD("set_uses_spherical_harmonics", "uses_spherical_harmonics"), &BakedLightmapData::set_uses_spherical_harmonics); + ClassDB::bind_method(D_METHOD("is_using_spherical_harmonics"), &BakedLightmapData::is_using_spherical_harmonics); -float BakedLightmap::get_bake_cell_size() const { - return bake_cell_size; -} + ClassDB::bind_method(D_METHOD("add_user", "path", "lightmap", "offset"), &BakedLightmapData::add_user); + ClassDB::bind_method(D_METHOD("get_user_count"), &BakedLightmapData::get_user_count); + ClassDB::bind_method(D_METHOD("get_user_path", "user_idx"), &BakedLightmapData::get_user_path); + ClassDB::bind_method(D_METHOD("clear_users"), &BakedLightmapData::clear_users); -void BakedLightmap::set_capture_cell_size(float p_cell_size) { - capture_cell_size = p_cell_size; -} + ClassDB::bind_method(D_METHOD("_set_probe_data", "data"), &BakedLightmapData::_set_probe_data); + ClassDB::bind_method(D_METHOD("_get_probe_data"), &BakedLightmapData::_get_probe_data); -float BakedLightmap::get_capture_cell_size() const { - return capture_cell_size; + ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "light_texture", PROPERTY_HINT_RESOURCE_TYPE, "TextureLayered"), "set_light_texture", "get_light_texture"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "uses_spherical_harmonics", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_INTERNAL), "set_uses_spherical_harmonics", "is_using_spherical_harmonics"); + ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "user_data", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_INTERNAL), "_set_user_data", "_get_user_data"); + ADD_PROPERTY(PropertyInfo(Variant::DICTIONARY, "probe_data", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_INTERNAL), "_set_probe_data", "_get_probe_data"); } -void BakedLightmap::set_extents(const Vector3 &p_extents) { - extents = p_extents; - update_gizmo(); - _change_notify("bake_extents"); -} +BakedLightmapData::BakedLightmapData() { -Vector3 BakedLightmap::get_extents() const { - return extents; + lightmap = RS::get_singleton()->lightmap_create(); } -void BakedLightmap::set_bake_default_texels_per_unit(const float &p_bake_texels_per_unit) { - bake_default_texels_per_unit = p_bake_texels_per_unit; - update_gizmo(); -} +BakedLightmapData::~BakedLightmapData() { -float BakedLightmap::get_bake_default_texels_per_unit() const { - return bake_default_texels_per_unit; + RS::get_singleton()->free(lightmap); } -void BakedLightmap::_find_meshes_and_lights(Node *p_at_node, List<PlotMesh> &plot_meshes, List<PlotLight> &plot_lights) { +/////////////////////////// + +void BakedLightmap::_find_meshes_and_lights(Node *p_at_node, Vector<MeshesFound> &meshes, Vector<LightsFound> &lights, Vector<Vector3> &probes) { - MeshInstance *mi = Object::cast_to<MeshInstance>(p_at_node); - if (mi && mi->get_flag(GeometryInstance::FLAG_USE_BAKED_LIGHT) && mi->is_visible_in_tree()) { + MeshInstance3D *mi = Object::cast_to<MeshInstance3D>(p_at_node); + if (mi && mi->get_gi_mode() == GeometryInstance3D::GI_MODE_BAKED && mi->is_visible_in_tree()) { Ref<Mesh> mesh = mi->get_mesh(); if (mesh.is_valid()) { - bool all_have_uv2 = true; + bool all_have_uv2_and_normal = true; + bool surfaces_found = false; for (int i = 0; i < mesh->get_surface_count(); i++) { + + if (mesh->surface_get_primitive_type(i) != Mesh::PRIMITIVE_TRIANGLES) { + continue; + } if (!(mesh->surface_get_format(i) & Mesh::ARRAY_FORMAT_TEX_UV2)) { - all_have_uv2 = false; + all_have_uv2_and_normal = false; + break; + } + if (!(mesh->surface_get_format(i) & Mesh::ARRAY_FORMAT_NORMAL)) { + all_have_uv2_and_normal = false; break; } + surfaces_found = true; } - if (all_have_uv2) { + if (surfaces_found && all_have_uv2_and_normal) { //READY TO BAKE! size hint could be computed if not found, actually.. - AABB aabb = mesh->get_aabb(); - - Transform xf = get_global_transform().affine_inverse() * mi->get_global_transform(); - - if (AABB(-extents, extents * 2).intersects(xf.xform(aabb))) { - PlotMesh pm; - pm.local_xform = xf; - pm.mesh = mesh; - pm.path = get_path_to(mi); - pm.instance_idx = -1; - for (int i = 0; i < mesh->get_surface_count(); i++) { - pm.instance_materials.push_back(mi->get_surface_material(i)); + MeshesFound mf; + mf.xform = get_global_transform().affine_inverse() * mi->get_global_transform(); + mf.node_path = get_path_to(mi); + mf.subindex = -1; + mf.mesh = mesh; + + static const int lightmap_scale[GeometryInstance3D::LIGHTMAP_SCALE_MAX] = { 1, 2, 4, 8 }; + mf.lightmap_scale = lightmap_scale[mi->get_lightmap_scale()]; + + Ref<Material> all_override = mi->get_material_override(); + for (int i = 0; i < mesh->get_surface_count(); i++) { + if (all_override.is_valid()) { + mf.overrides.push_back(all_override); + } else { + mf.overrides.push_back(mi->get_surface_material(i)); } - pm.override_material = mi->get_material_override(); - plot_meshes.push_back(pm); } + + meshes.push_back(mf); } } } - Spatial *s = Object::cast_to<Spatial>(p_at_node); + Node3D *s = Object::cast_to<Node3D>(p_at_node); if (!mi && s) { - Array meshes = p_at_node->call("get_bake_meshes"); - if (meshes.size() && (meshes.size() & 1) == 0) { + Array bmeshes = p_at_node->call("get_bake_bmeshes"); + if (bmeshes.size() && (bmeshes.size() & 1) == 0) { Transform xf = get_global_transform().affine_inverse() * s->get_global_transform(); - for (int i = 0; i < meshes.size(); i += 2) { - PlotMesh pm; - Transform mesh_xf = meshes[i + 1]; - pm.local_xform = xf * mesh_xf; - pm.mesh = meshes[i]; - pm.instance_idx = i / 2; - if (!pm.mesh.is_valid()) + for (int i = 0; i < bmeshes.size(); i += 2) { + + Ref<Mesh> mesh = bmeshes[i]; + if (!mesh.is_valid()) continue; - pm.path = get_path_to(s); - plot_meshes.push_back(pm); + + MeshesFound mf; + + Transform mesh_xf = bmeshes[i + 1]; + mf.xform = xf * mesh_xf; + mf.node_path = get_path_to(s); + mf.subindex = i / 2; + mf.lightmap_scale = 1; + mf.mesh = mesh; + + meshes.push_back(mf); } } } - Light *light = Object::cast_to<Light>(p_at_node); + Light3D *light = Object::cast_to<Light3D>(p_at_node); - if (light && light->get_bake_mode() != Light::BAKE_DISABLED) { - PlotLight pl; - Transform xf = get_global_transform().affine_inverse() * light->get_global_transform(); + if (light && light->get_bake_mode() != Light3D::BAKE_DISABLED) { - pl.local_xform = xf; - pl.light = light; - plot_lights.push_back(pl); + LightsFound lf; + lf.xform = get_global_transform().affine_inverse() * light->get_global_transform(); + lf.light = light; + lights.push_back(lf); } + + LightmapProbe *probe = Object::cast_to<LightmapProbe>(p_at_node); + + if (probe) { + Transform xf = get_global_transform().affine_inverse() * probe->get_global_transform(); + probes.push_back(xf.origin); + } + for (int i = 0; i < p_at_node->get_child_count(); i++) { Node *child = p_at_node->get_child(i); if (!child->get_owner()) continue; //maybe a helper - _find_meshes_and_lights(child, plot_meshes, plot_lights); + _find_meshes_and_lights(child, meshes, lights, probes); } } -void BakedLightmap::set_hdr(bool p_enable) { - hdr = p_enable; -} +int BakedLightmap::_bsp_get_simplex_side(const Vector<Vector3> &p_points, const LocalVector<BSPSimplex> &p_simplices, const Plane &p_plane, uint32_t p_simplex) const { + + int over = 0; + int under = 0; + int coplanar = 0; + const BSPSimplex &s = p_simplices[p_simplex]; + for (int i = 0; i < 4; i++) { + const Vector3 v = p_points[s.vertices[i]]; + if (p_plane.has_point(v)) { //coplanar + coplanar++; + } else if (p_plane.is_point_over(v)) { + over++; + } else { + under++; + } + } -bool BakedLightmap::is_hdr() const { - return hdr; + ERR_FAIL_COND_V(under == 0 && over == 0, -2); //should never happen, we discarded flat simplices before, but in any case drop it from the bsp tree and throw an error + if (under == 0) { + return 1; // all over + } else if (over == 0) { + return -1; // all under + } else { + return 0; // crossing + } } -bool BakedLightmap::_bake_time(void *ud, float p_secs, float p_progress) { +//#define DEBUG_BSP - uint64_t time = OS::get_singleton()->get_ticks_usec(); - BakeTimeData *btd = (BakeTimeData *)ud; +int32_t BakedLightmap::_compute_bsp_tree(const Vector<Vector3> &p_points, const LocalVector<Plane> &p_planes, LocalVector<int32_t> &planes_tested, const LocalVector<BSPSimplex> &p_simplices, const LocalVector<int32_t> &p_simplex_indices, LocalVector<BSPNode> &bsp_nodes) { - if (time - btd->last_step > 1000000) { + //if we reach here, it means there is more than one simplex + int32_t node_index = (int32_t)bsp_nodes.size(); + bsp_nodes.push_back(BSPNode()); - int mins_left = p_secs / 60; - int secs_left = Math::fmod(p_secs, 60.0f); - int percent = p_progress * 100; - bool abort = bake_step_function(btd->pass + percent, btd->text + " " + vformat(RTR("%d%%"), percent) + " " + vformat(RTR("(Time Left: %d:%02d s)"), mins_left, secs_left)); - btd->last_step = time; - if (abort) - return true; - } + //test with all the simplex planes + Plane best_plane; + float best_plane_score = -1.0; - return false; -} + for (uint32_t i = 0; i < p_simplex_indices.size(); i++) { + const BSPSimplex &s = p_simplices[p_simplex_indices[i]]; + for (int j = 0; j < 4; j++) { + uint32_t plane_index = s.planes[j]; + if (planes_tested[plane_index] == node_index) { + continue; //tested this plane already + } + + planes_tested[plane_index] = node_index; + + static const int face_order[4][3] = { + { 0, 1, 2 }, + { 0, 2, 3 }, + { 0, 1, 3 }, + { 1, 2, 3 } + }; + + // despite getting rid of plane duplicates, we should still use here the actual plane to avoid numerical error + // from thinking this same simplex is intersecting rather than on a side + Vector3 v0 = p_points[s.vertices[face_order[j][0]]]; + Vector3 v1 = p_points[s.vertices[face_order[j][1]]]; + Vector3 v2 = p_points[s.vertices[face_order[j][2]]]; + + Plane plane(v0, v1, v2); + + //test with all the simplices + int over_count = 0; + int under_count = 0; + + for (uint32_t k = 0; k < p_simplex_indices.size(); k++) { + int side = _bsp_get_simplex_side(p_points, p_simplices, plane, p_simplex_indices[k]); + if (side == -2) { + continue; //this simplex is invalid, skip for now + } else if (side < 0) { + under_count++; + } else if (side > 0) { + over_count++; + } + } -BakedLightmap::BakeError BakedLightmap::bake(Node *p_from_node, bool p_create_visual_debug) { + if (under_count == 0 && over_count == 0) { + continue; //most likely precision issue with a flat simplex, do not try this plane + } - String save_path; + if (under_count > over_count) { //make sure under is always less than over, so we can compute the same ratio + SWAP(under_count, over_count); + } - if (image_path.begins_with("res://")) { - save_path = image_path; - } else { - if (get_filename() != "") { - save_path = get_filename().get_base_dir(); - } else if (get_owner() && get_owner()->get_filename() != "") { - save_path = get_owner()->get_filename().get_base_dir(); + float score = 0; //by default, score is 0 (worst) + if (over_count > 0) { + //give score mainly based on ratio (under / over), this means that this plane is splitting simplices a lot, but its balanced + score = float(under_count) / over_count; + } + + //adjusting priority over least splits, probably not a great idea + //score *= Math::sqrt(float(over_count + under_count) / p_simplex_indices.size()); //also multiply score + + if (score > best_plane_score) { + + best_plane = plane; + best_plane_score = score; + } } + } - if (save_path == "") { - return BAKE_ERROR_NO_SAVE_PATH; + LocalVector<int32_t> indices_over; + LocalVector<int32_t> indices_under; + + //split again, but add to list + for (uint32_t i = 0; i < p_simplex_indices.size(); i++) { + + uint32_t index = p_simplex_indices[i]; + int side = _bsp_get_simplex_side(p_points, p_simplices, best_plane, index); + + if (side == -2) { + continue; //simplex sits on the plane, does not make sense to use it } - if (image_path != "") { - save_path.plus_file(image_path); + if (side <= 0) { + indices_under.push_back(index); } - } - { - //check for valid save path - DirAccessRef d = DirAccess::open(save_path); - if (!d) { - ERR_PRINT("Invalid Save Path '" + save_path + "'."); - return BAKE_ERROR_NO_SAVE_PATH; + + if (side >= 0) { + indices_over.push_back(index); } } - Ref<BakedLightmapData> new_light_data; - new_light_data.instance(); +#ifdef DEBUG_BSP + print_line("node " + itos(node_index) + " found plane: " + best_plane + " score:" + rtos(best_plane_score) + " - over " + itos(indices_over.size()) + " under " + itos(indices_under.size()) + " intersecting " + itos(intersecting)); +#endif + + if (best_plane_score < 0.0 || indices_over.size() == p_simplex_indices.size() || indices_under.size() == p_simplex_indices.size()) { + ERR_FAIL_COND_V(p_simplex_indices.size() <= 1, 0); //should not happen, this is a bug - Voxelizer baker; + // Failed to separate the tetrahedrons using planes + // this means Delaunay borked at some point. + // Luckily, because we are using tetrahedrons, we can resort to + // less precise but still working ways to generate the separating plane + // this will most likely look bad when interpolating, but at least it will not crash. + // and the arctifact will most likely also be very small, so too difficult to notice. - int bake_subdiv; - int capture_subdiv; - AABB bake_bounds; - { - bake_bounds = AABB(-extents, extents * 2.0); - int subdiv = nearest_power_of_2_templated(int(bake_bounds.get_longest_axis_size() / bake_cell_size)); - bake_bounds.size[bake_bounds.get_longest_axis_index()] = subdiv * bake_cell_size; - bake_subdiv = nearest_shift(subdiv) + 1; + //find the longest axis + + WARN_PRINT("Inconsistency found in triangulation while building BSP, probe interpolation quality may degrade a bit."); - capture_subdiv = bake_subdiv; - float css = bake_cell_size; - while (css < capture_cell_size && capture_subdiv > 2) { - capture_subdiv--; - css *= 2.0; + LocalVector<Vector3> centers; + AABB bounds_all; + for (uint32_t i = 0; i < p_simplex_indices.size(); i++) { + AABB bounds; + for (uint32_t j = 0; j < 4; j++) { + + Vector3 p = p_points[p_simplices[p_simplex_indices[i]].vertices[j]]; + if (j == 0) { + bounds.position = p; + } else { + bounds.expand_to(p); + } + } + if (i == 0) { + centers.push_back(bounds.position + bounds.size * 0.5); + } else { + bounds_all.merge_with(bounds); + } } + Vector3::Axis longest_axis = Vector3::Axis(bounds_all.get_longest_axis_index()); + + //find the simplex that will go under + uint32_t min_d_idx = 0xFFFFFFFF; + float min_d_dist = 1e20; + + for (uint32_t i = 0; i < centers.size(); i++) { + if (centers[i][longest_axis] < min_d_dist) { + min_d_idx = i; + min_d_dist = centers[i][longest_axis]; + } + } + //rebuild best_plane and over/under arrays + best_plane = Plane(); + best_plane.normal[longest_axis] = 1.0; + best_plane.d = min_d_dist; + + indices_under.clear(); + indices_under.push_back(min_d_idx); + + indices_over.clear(); + + for (uint32_t i = 0; i < p_simplex_indices.size(); i++) { + if (i == min_d_idx) { + continue; + } + indices_over.push_back(p_simplex_indices[i]); + } + } + + BSPNode node; + node.plane = best_plane; + + if (indices_under.size() == 0) { + //noting to do here + node.under = BSPNode::EMPTY_LEAF; + } else if (indices_under.size() == 1) { + node.under = -(indices_under[0] + 1); + } else { + node.under = _compute_bsp_tree(p_points, p_planes, planes_tested, p_simplices, indices_under, bsp_nodes); + } + + if (indices_over.size() == 0) { + //noting to do here + node.over = BSPNode::EMPTY_LEAF; + } else if (indices_over.size() == 1) { + node.over = -(indices_over[0] + 1); + } else { + node.over = _compute_bsp_tree(p_points, p_planes, planes_tested, p_simplices, indices_over, bsp_nodes); } - baker.begin_bake(bake_subdiv, bake_bounds); + bsp_nodes[node_index] = node; - List<PlotMesh> mesh_list; - List<PlotLight> light_list; + return node_index; +} - _find_meshes_and_lights(p_from_node ? p_from_node : get_parent(), mesh_list, light_list); +bool BakedLightmap::_lightmap_bake_step_function(float p_completion, const String &p_text, void *ud, bool p_refresh) { - if (bake_begin_function) { - bake_begin_function(mesh_list.size() + light_list.size() + 1 + mesh_list.size() * 100); + BakeStepUD *bsud = (BakeStepUD *)ud; + bool ret = false; + if (bsud->func) { + ret = bsud->func(bsud->from_percent + p_completion * (bsud->to_percent - bsud->from_percent), p_text, bsud->ud, p_refresh); } + return ret; +} - int step = 0; +void BakedLightmap::_plot_triangle_into_octree(GenProbesOctree *p_cell, float p_cell_size, const Vector3 *p_triangle) { - int pmc = 0; + for (int i = 0; i < 8; i++) { + Vector3i pos = p_cell->offset; + uint32_t half_size = p_cell->size / 2; + if (i & 1) { + pos.x += half_size; + } + if (i & 2) { + pos.y += half_size; + } + if (i & 4) { + pos.z += half_size; + } + + AABB subcell; + subcell.position = Vector3(pos) * p_cell_size; + subcell.size = Vector3(half_size, half_size, half_size) * p_cell_size; - for (List<PlotMesh>::Element *E = mesh_list.front(); E; E = E->next()) { + if (!Geometry::triangle_box_overlap(subcell.position + subcell.size * 0.5, subcell.size * 0.5, p_triangle)) + continue; - if (bake_step_function) { - bake_step_function(step++, RTR("Plotting Meshes: ") + " (" + itos(pmc + 1) + "/" + itos(mesh_list.size()) + ")"); + if (p_cell->children[i] == nullptr) { + GenProbesOctree *child = memnew(GenProbesOctree); + child->offset = pos; + child->size = half_size; + p_cell->children[i] = child; } - pmc++; - baker.plot_mesh(E->get().local_xform, E->get().mesh, E->get().instance_materials, E->get().override_material); + if (half_size > 1) { + //still levels missing + _plot_triangle_into_octree(p_cell->children[i], p_cell_size, p_triangle); + } } +} +void BakedLightmap::_gen_new_positions_from_octree(const GenProbesOctree *p_cell, float p_cell_size, const Vector<Vector3> &probe_positions, LocalVector<Vector3> &new_probe_positions, HashMap<Vector3i, bool, Vector3iHash> &positions_used, const AABB &p_bounds) { + + for (int i = 0; i < 8; i++) { + + Vector3i pos = p_cell->offset; + if (i & 1) { + pos.x += p_cell->size; + } + if (i & 2) { + pos.y += p_cell->size; + } + if (i & 4) { + pos.z += p_cell->size; + } + + if (p_cell->size == 1 && !positions_used.has(pos)) { + //new position to insert! + Vector3 real_pos = p_bounds.position + Vector3(pos) * p_cell_size; + //see if a user submitted probe is too close + int ppcount = probe_positions.size(); + const Vector3 *pp = probe_positions.ptr(); + bool exists = false; + for (int j = 0; j < ppcount; j++) { + + if (pp[j].distance_to(real_pos) < CMP_EPSILON) { + exists = true; + break; + } + } - pmc = 0; - baker.begin_bake_light(Voxelizer::BakeQuality(bake_quality), Voxelizer::BakeMode(bake_mode), propagation, energy); + if (!exists) { + new_probe_positions.push_back(real_pos); + } - for (List<PlotLight>::Element *E = light_list.front(); E; E = E->next()) { + positions_used[pos] = true; + } - if (bake_step_function) { - bake_step_function(step++, RTR("Plotting Lights:") + " (" + itos(pmc + 1) + "/" + itos(light_list.size()) + ")"); + if (p_cell->children[i] != nullptr) { + _gen_new_positions_from_octree(p_cell->children[i], p_cell_size, probe_positions, new_probe_positions, positions_used, p_bounds); } + } +} +BakedLightmap::BakeError BakedLightmap::bake(Node *p_from_node, String p_image_data_path, Lightmapper::BakeStepFunc p_bake_step, void *p_bake_userdata) { - pmc++; - PlotLight pl = E->get(); - switch (pl.light->get_light_type()) { - case RS::LIGHT_DIRECTIONAL: { - baker.plot_light_directional(-pl.local_xform.basis.get_axis(2), pl.light->get_color(), pl.light->get_param(Light::PARAM_ENERGY), pl.light->get_param(Light::PARAM_INDIRECT_ENERGY), pl.light->get_bake_mode() == Light::BAKE_ALL); - } break; - case RS::LIGHT_OMNI: { - baker.plot_light_omni(pl.local_xform.origin, pl.light->get_color(), pl.light->get_param(Light::PARAM_ENERGY), pl.light->get_param(Light::PARAM_INDIRECT_ENERGY), pl.light->get_param(Light::PARAM_RANGE), pl.light->get_param(Light::PARAM_ATTENUATION), pl.light->get_bake_mode() == Light::BAKE_ALL); - } break; - case RS::LIGHT_SPOT: { - baker.plot_light_spot(pl.local_xform.origin, pl.local_xform.basis.get_axis(2), pl.light->get_color(), pl.light->get_param(Light::PARAM_ENERGY), pl.light->get_param(Light::PARAM_INDIRECT_ENERGY), pl.light->get_param(Light::PARAM_RANGE), pl.light->get_param(Light::PARAM_ATTENUATION), pl.light->get_param(Light::PARAM_SPOT_ANGLE), pl.light->get_param(Light::PARAM_SPOT_ATTENUATION), pl.light->get_bake_mode() == Light::BAKE_ALL); + if (p_image_data_path == "" && (get_light_data().is_null() || !get_light_data()->get_path().is_resource_file())) { + return BAKE_ERROR_NO_SAVE_PATH; + } - } break; + if (p_image_data_path == "") { + + if (get_light_data().is_null()) { + return BAKE_ERROR_NO_SAVE_PATH; + } + + p_image_data_path = get_light_data()->get_path(); + if (!p_image_data_path.is_resource_file()) { + return BAKE_ERROR_NO_SAVE_PATH; } } - /*if (bake_step_function) { - bake_step_function(pmc++, RTR("Finishing Plot")); - }*/ - baker.end_bake(); + Ref<Lightmapper> lightmapper = Lightmapper::create(); + ERR_FAIL_COND_V(lightmapper.is_null(), BAKE_ERROR_NO_LIGHTMAPPER); - Set<String> used_mesh_names; + BakeStepUD bsud; + bsud.func = p_bake_step; + bsud.ud = p_bake_userdata; + bsud.from_percent = 0.2; + bsud.to_percent = 0.8; - pmc = 0; - for (List<PlotMesh>::Element *E = mesh_list.front(); E; E = E->next()) { + if (p_bake_step) { + p_bake_step(0.0, TTR("Finding meshes, lights and probes"), p_bake_userdata, true); + } + /* STEP 1, FIND MESHES, LIGHTS AND PROBES */ + Vector<Lightmapper::MeshData> mesh_data; + Vector<LightsFound> lights_found; + Vector<Vector3> probes_found; + AABB bounds; + { + Vector<MeshesFound> meshes_found; + _find_meshes_and_lights(p_from_node ? p_from_node : get_parent(), meshes_found, lights_found, probes_found); - String mesh_name = E->get().mesh->get_name(); - if (mesh_name == "" || mesh_name.find(":") != -1 || mesh_name.find("/") != -1) { - mesh_name = "LightMap"; + if (meshes_found.size() == 0) { + return BAKE_ERROR_NO_MESHES; } + // create mesh data for insert - if (used_mesh_names.has(mesh_name)) { - int idx = 2; - String base = mesh_name; - while (true) { - mesh_name = base + itos(idx); - if (!used_mesh_names.has(mesh_name)) - break; - idx++; + //get the base material textures, help compute altlas size and bounds + for (int m_i = 0; m_i < meshes_found.size(); m_i++) { + + if (p_bake_step) { + float p = (float)(m_i) / meshes_found.size(); + p_bake_step(p * 0.1, vformat(TTR("Preparing geometry %d/%d"), m_i, meshes_found.size()), p_bake_userdata, false); } - } - used_mesh_names.insert(mesh_name); - pmc++; - Voxelizer::LightMapData lm; + MeshesFound &mf = meshes_found.write[m_i]; - Error err; - if (bake_step_function) { - BakeTimeData btd; - btd.text = RTR("Lighting Meshes: ") + mesh_name + " (" + itos(pmc) + "/" + itos(mesh_list.size()) + ")"; - btd.pass = step; - btd.last_step = 0; - err = baker.make_lightmap(E->get().local_xform, E->get().mesh, bake_default_texels_per_unit, lm, _bake_time, &btd); - if (err != OK) { - bake_end_function(); - if (err == ERR_SKIP) - return BAKE_ERROR_USER_ABORTED; - return BAKE_ERROR_CANT_CREATE_IMAGE; + Size2i lightmap_size = mf.mesh->get_lightmap_size_hint() * mf.lightmap_scale; + Vector<RID> overrides; + overrides.resize(mf.overrides.size()); + for (int i = 0; i < mf.overrides.size(); i++) { + if (mf.overrides[i].is_valid()) { + overrides.write[i] = mf.overrides[i]->get_rid(); + } } - step += 100; - } else { + TypedArray<Image> images = RS::get_singleton()->bake_render_uv2(mf.mesh->get_rid(), overrides, lightmap_size); - err = baker.make_lightmap(E->get().local_xform, E->get().mesh, bake_default_texels_per_unit, lm); - } + ERR_FAIL_COND_V(images.empty(), BAKE_ERROR_CANT_CREATE_IMAGE); + + Ref<Image> albedo = images[RS::BAKE_CHANNEL_ALBEDO_ALPHA]; + Ref<Image> orm = images[RS::BAKE_CHANNEL_ORM]; - if (err == OK) { + //multiply albedo by metal - Ref<Image> image; - image.instance(); + Lightmapper::MeshData md; - if (hdr) { + { + Dictionary d; + d["path"] = mf.node_path; + if (mf.subindex >= 0) { + d["subindex"] = mf.subindex; + } + md.userdata = d; + } - //just save a regular image - Vector<uint8_t> data; - int s = lm.light.size(); - data.resize(lm.light.size() * 2); - { + { - uint8_t* w = data.ptrw(); - const float* r = lm.light.ptr(); - uint16_t *hfw = (uint16_t *)w.ptr(); - for (int i = 0; i < s; i++) { - hfw[i] = Math::make_half_float(r[i]); - } + if (albedo->get_format() != Image::FORMAT_RGBA8) { + albedo->convert(Image::FORMAT_RGBA8); + } + if (orm->get_format() != Image::FORMAT_RGBA8) { + orm->convert(Image::FORMAT_RGBA8); + } + Vector<uint8_t> albedo_alpha = albedo->get_data(); + Vector<uint8_t> orm_data = orm->get_data(); + + Vector<uint8_t> albedom; + uint32_t len = albedo_alpha.size(); + albedom.resize(len); + const uint8_t *r_aa = albedo_alpha.ptr(); + const uint8_t *r_orm = orm_data.ptr(); + uint8_t *w_albedo = albedom.ptrw(); + + for (uint32_t i = 0; i < len; i += 4) { + w_albedo[i + 0] = uint8_t(CLAMP(float(r_aa[i + 0]) * (1.0 - float(r_orm[i + 2] / 255.0)), 0, 255)); + w_albedo[i + 1] = uint8_t(CLAMP(float(r_aa[i + 1]) * (1.0 - float(r_orm[i + 2] / 255.0)), 0, 255)); + w_albedo[i + 2] = uint8_t(CLAMP(float(r_aa[i + 2]) * (1.0 - float(r_orm[i + 2] / 255.0)), 0, 255)); + w_albedo[i + 3] = 255; } - image->create(lm.width, lm.height, false, Image::FORMAT_RGBH, data); + md.albedo_on_uv2.instance(); + md.albedo_on_uv2->create(lightmap_size.width, lightmap_size.height, false, Image::FORMAT_RGBA8, albedom); + } - } else { + md.emission_on_uv2 = images[RS::BAKE_CHANNEL_EMISSION]; + if (md.emission_on_uv2->get_format() != Image::FORMAT_RGBAH) { + md.emission_on_uv2->convert(Image::FORMAT_RGBAH); + } - //just save a regular image - Vector<uint8_t> data; - int s = lm.light.size(); - data.resize(lm.light.size()); - { - - uint8_t* w = data.ptrw(); - const float* r = lm.light.ptr(); - for (int i = 0; i < s; i += 3) { - Color c(r[i + 0], r[i + 1], r[i + 2]); - c = c.to_srgb(); - w[i + 0] = CLAMP(c.r * 255, 0, 255); - w[i + 1] = CLAMP(c.g * 255, 0, 255); - w[i + 2] = CLAMP(c.b * 255, 0, 255); - } + //get geometry + + Basis normal_xform = mf.xform.basis.inverse().transposed(); + + for (int i = 0; i < mf.mesh->get_surface_count(); i++) { + if (mf.mesh->surface_get_primitive_type(i) != Mesh::PRIMITIVE_TRIANGLES) { + continue; } + Array a = mf.mesh->surface_get_arrays(i); - image->create(lm.width, lm.height, false, Image::FORMAT_RGB8, data); + Vector<Vector3> vertices = a[Mesh::ARRAY_VERTEX]; + const Vector3 *vr = vertices.ptr(); + Vector<Vector2> uv = a[Mesh::ARRAY_TEX_UV2]; + const Vector2 *uvr = nullptr; + Vector<Vector3> normals = a[Mesh::ARRAY_NORMAL]; + const Vector3 *nr = nullptr; + Vector<int> index = a[Mesh::ARRAY_INDEX]; - //This texture is saved to SRGB for two reasons: - // 1) first is so it looks better when doing the LINEAR->SRGB conversion (more accurate) - // 2) So it can be used in the GLES2 backend, which does not support linkear workflow - } + ERR_CONTINUE(uv.size() == 0); + ERR_CONTINUE(normals.size() == 0); - String image_path = save_path.plus_file(mesh_name); - Ref<Texture2D> texture; + uvr = uv.ptr(); + nr = normals.ptr(); - if (ResourceLoader::import) { + int facecount; + const int *ir = nullptr; - bool srgb = false; - if (false && hdr) { - //save hdr + if (index.size()) { + + facecount = index.size() / 3; + ir = index.ptr(); } else { - image_path += ".png"; - print_line("image path saving png: " + image_path); - image->save_png(image_path); - srgb = true; + facecount = vertices.size() / 3; } - if (!FileAccess::exists(image_path + ".import")) { - Ref<ConfigFile> config; - config.instance(); - config->set_value("remap", "importer", "texture"); - config->set_value("remap", "type", "StreamTexture"); - config->set_value("params", "compress/mode", 2); - config->set_value("params", "detect_3d", false); - config->set_value("params", "flags/repeat", false); - config->set_value("params", "flags/filter", true); - config->set_value("params", "flags/mipmaps", false); - config->set_value("params", "flags/srgb", srgb); - - config->save(image_path + ".import"); - } + for (int j = 0; j < facecount; j++) { - ResourceLoader::import(image_path); - texture = ResourceLoader::load(image_path); //if already loaded, it will be updated on refocus? - } else { + uint32_t vidx[3]; - image_path += ".text"; - Ref<ImageTexture> tex; - bool set_path = true; - if (ResourceCache::has(image_path)) { - tex = Ref<Resource>((Resource *)ResourceCache::get(image_path)); - set_path = false; - } + if (ir) { + for (int k = 0; k < 3; k++) { + vidx[k] = ir[j * 3 + k]; + } + } else { + for (int k = 0; k < 3; k++) { + vidx[k] = j * 3 + k; + } + } - if (!tex.is_valid()) { - tex.instance(); + for (int k = 0; k < 3; k++) { + Vector3 v = mf.xform.xform(vr[vidx[k]]); + if (bounds == AABB()) { + bounds.position = v; + } else { + bounds.expand_to(v); + } + md.points.push_back(v); + + md.uv2.push_back(uvr[vidx[k]]); + md.normal.push_back(normal_xform.xform(nr[vidx[k]]).normalized()); + } } + } - tex->create_from_image(image); + mesh_data.push_back(md); + } + } - err = ResourceSaver::save(image_path, tex, ResourceSaver::FLAG_CHANGE_PATH); - if (set_path) { - tex->set_path(image_path); - } - texture = tex; + /* STEP 2, CREATE PROBES */ + + if (p_bake_step) { + p_bake_step(0.3, TTR("Creating probes"), p_bake_userdata, true); + } + + //bounds need to include the user probes + for (int i = 0; i < probes_found.size(); i++) { + bounds.expand_to(probes_found[i]); + } + + bounds.grow_by(bounds.size.length() * 0.001); + + if (gen_probes == GENERATE_PROBES_DISABLED) { + // generate 8 probes on bound endpoints + for (int i = 0; i < 8; i++) { + probes_found.push_back(bounds.get_endpoint(i)); + } + } else { + // detect probes from geometry + static const int subdiv_values[6] = { 0, 4, 8, 16, 32 }; + int subdiv = subdiv_values[gen_probes]; + + float subdiv_cell_size; + Vector3i bound_limit; + { + int longest_axis = bounds.get_longest_axis_index(); + subdiv_cell_size = bounds.size[longest_axis] / subdiv; + int axis_n1 = (longest_axis + 1) % 3; + int axis_n2 = (longest_axis + 2) % 3; + + bound_limit[longest_axis] = subdiv; + bound_limit[axis_n1] = int(Math::ceil(bounds.size[axis_n1] / subdiv_cell_size)); + bound_limit[axis_n2] = int(Math::ceil(bounds.size[axis_n2] / subdiv_cell_size)); + //compensate bounds + bounds.size[axis_n1] = bound_limit[axis_n1] * subdiv_cell_size; + bounds.size[axis_n2] = bound_limit[axis_n2] * subdiv_cell_size; + } + + GenProbesOctree octree; + octree.size = subdiv; + + for (int i = 0; i < mesh_data.size(); i++) { + if (p_bake_step) { + float p = (float)(i) / mesh_data.size(); + p_bake_step(0.3 + p * 0.1, vformat(TTR("Creating probes from mesh %d/%d"), i, mesh_data.size()), p_bake_userdata, false); } - if (err != OK) { - if (bake_end_function) { - bake_end_function(); - } - ERR_FAIL_COND_V(err != OK, BAKE_ERROR_CANT_CREATE_IMAGE); + + for (int j = 0; j < mesh_data[i].points.size(); j += 3) { + Vector3 points[3] = { mesh_data[i].points[j + 0] - bounds.position, mesh_data[i].points[j + 1] - bounds.position, mesh_data[i].points[j + 2] - bounds.position }; + _plot_triangle_into_octree(&octree, subdiv_cell_size, points); + } + } + + LocalVector<Vector3> new_probe_positions; + HashMap<Vector3i, bool, Vector3iHash> positions_used; + for (uint32_t i = 0; i < 8; i++) { //insert bounding endpoints + Vector3i pos; + if (i & 1) { + pos.x += bound_limit.x; + } + if (i & 2) { + pos.y += bound_limit.y; + } + if (i & 4) { + pos.z += bound_limit.z; + } + + positions_used[pos] = true; + Vector3 real_pos = bounds.position + Vector3(pos) * subdiv_cell_size; //use same formula for numerical stability + new_probe_positions.push_back(real_pos); + } + //skip first level, since probes are always added at bounds endpoints anyway (code above this) + for (int i = 0; i < 8; i++) { + + if (octree.children[i]) { + _gen_new_positions_from_octree(octree.children[i], subdiv_cell_size, probes_found, new_probe_positions, positions_used, bounds); } + } - new_light_data->add_user(E->get().path, texture, E->get().instance_idx); + for (uint32_t i = 0; i < new_probe_positions.size(); i++) { + probes_found.push_back(new_probe_positions[i]); } } - AABB bounds = AABB(-extents, extents * 2); - new_light_data->set_cell_subdiv(capture_subdiv); - new_light_data->set_bounds(bounds); - new_light_data->set_octree(baker.create_capture_octree(capture_subdiv)); + // Add everything to lightmapper + if (p_bake_step) { + p_bake_step(0.4, TTR("Preparing Lightmapper"), p_bake_userdata, true); + } + { - float bake_bound_size = bake_bounds.get_longest_axis_size(); - Transform to_bounds; - to_bounds.basis.scale(Vector3(bake_bound_size, bake_bound_size, bake_bound_size)); - to_bounds.origin = bounds.position; + for (int i = 0; i < mesh_data.size(); i++) { + lightmapper->add_mesh(mesh_data[i]); + } + for (int i = 0; i < lights_found.size(); i++) { + Light3D *light = lights_found[i].light; + Transform xf = lights_found[i].xform; + + if (Object::cast_to<DirectionalLight3D>(light)) { + DirectionalLight3D *l = Object::cast_to<DirectionalLight3D>(light); + lightmapper->add_directional_light(light->get_bake_mode() == Light3D::BAKE_ALL, -xf.basis.get_axis(Vector3::AXIS_Z).normalized(), l->get_color(), l->get_param(Light3D::PARAM_ENERGY), l->get_param(Light3D::PARAM_SIZE)); + } else if (Object::cast_to<OmniLight3D>(light)) { + OmniLight3D *l = Object::cast_to<OmniLight3D>(light); + lightmapper->add_omni_light(light->get_bake_mode() == Light3D::BAKE_ALL, xf.origin, l->get_color(), l->get_param(Light3D::PARAM_ENERGY), l->get_param(Light3D::PARAM_RANGE), l->get_param(Light3D::PARAM_ATTENUATION), l->get_param(Light3D::PARAM_SIZE)); + } else if (Object::cast_to<SpotLight3D>(light)) { + SpotLight3D *l = Object::cast_to<SpotLight3D>(light); + lightmapper->add_spot_light(light->get_bake_mode() == Light3D::BAKE_ALL, xf.origin, -xf.basis.get_axis(Vector3::AXIS_Z).normalized(), l->get_color(), l->get_param(Light3D::PARAM_ENERGY), l->get_param(Light3D::PARAM_RANGE), l->get_param(Light3D::PARAM_ATTENUATION), l->get_param(Light3D::PARAM_SPOT_ANGLE), l->get_param(Light3D::PARAM_SPOT_ATTENUATION), l->get_param(Light3D::PARAM_SIZE)); + } + } + for (int i = 0; i < probes_found.size(); i++) { + lightmapper->add_probe(probes_found[i]); + } + } + + Ref<Image> environment_image; + Basis environment_transform; + + // Add everything to lightmapper + if (environment_mode != ENVIRONMENT_MODE_DISABLED) { + if (p_bake_step) { + p_bake_step(4.1, TTR("Preparing Environment"), p_bake_userdata, true); + } + + environment_transform = get_global_transform().basis; - Transform to_grid; - to_grid.basis.scale(Vector3(1 << (capture_subdiv - 1), 1 << (capture_subdiv - 1), 1 << (capture_subdiv - 1))); + switch (environment_mode) { + case ENVIRONMENT_MODE_DISABLED: { + //nothing + } break; + case ENVIRONMENT_MODE_SCENE: { + Ref<World3D> world = get_world_3d(); + if (world.is_valid()) { + Ref<Environment> env = world->get_environment(); + if (env.is_null()) { + env = world->get_fallback_environment(); + } + + if (env.is_valid()) { + environment_image = RS::get_singleton()->environment_bake_panorama(env->get_rid(), true, Size2i(128, 64)); + } + } + } break; + case ENVIRONMENT_MODE_CUSTOM_SKY: { + if (environment_custom_sky.is_valid()) { + environment_image = RS::get_singleton()->sky_bake_panorama(environment_custom_sky->get_rid(), environment_custom_energy, true, Size2i(128, 64)); + } + + } break; + case ENVIRONMENT_MODE_CUSTOM_COLOR: { + environment_image.instance(); + environment_image->create(128, 64, false, Image::FORMAT_RGBAF); + Color c = environment_custom_color; + c.r *= environment_custom_energy; + c.g *= environment_custom_energy; + c.b *= environment_custom_energy; + for (int i = 0; i < 128; i++) { + for (int j = 0; j < 64; j++) { + environment_image->set_pixel(i, j, c); + } + } - Transform to_cell_space = to_grid * to_bounds.affine_inverse(); - new_light_data->set_cell_space_transform(to_cell_space); + } break; + } } - if (bake_end_function) { - bake_end_function(); + Lightmapper::BakeError bake_err = lightmapper->bake(Lightmapper::BakeQuality(bake_quality), use_denoiser, bounces, bias, max_texture_size, directional, Lightmapper::GenerateProbes(gen_probes), environment_image, environment_transform, _lightmap_bake_step_function, &bsud); + + if (bake_err == Lightmapper::BAKE_ERROR_LIGHTMAP_CANT_PRE_BAKE_MESHES) { + return BAKE_ERROR_MESHES_INVALID; } - //create the data for visual server + /* POSTBAKE: Save Textures */ - if (p_create_visual_debug) { - MultiMeshInstance *mmi = memnew(MultiMeshInstance); - mmi->set_multimesh(baker.create_debug_multimesh(Voxelizer::DEBUG_LIGHT)); - add_child(mmi); -#ifdef TOOLS_ENABLED - if (get_tree()->get_edited_scene_root() == this) { - mmi->set_owner(this); - } else { - mmi->set_owner(get_owner()); + Ref<TextureLayered> texture; + { + + Vector<Ref<Image>> images; + for (int i = 0; i < lightmapper->get_bake_texture_count(); i++) { + images.push_back(lightmapper->get_bake_texture(i)); + } + //we assume they are all the same, so lets create a large one for saving + Ref<Image> large_image; + large_image.instance(); + + large_image->create(images[0]->get_width(), images[0]->get_height() * images.size(), false, images[0]->get_format()); + + for (int i = 0; i < lightmapper->get_bake_texture_count(); i++) { + large_image->blit_rect(images[i], Rect2(0, 0, images[i]->get_width(), images[i]->get_height()), Point2(0, images[i]->get_height() * i)); + } + + String base_path = p_image_data_path.get_basename() + ".exr"; + + Ref<ConfigFile> config; + + config.instance(); + if (FileAccess::exists(base_path + ".import")) { + + config->load(base_path + ".import"); + } + + config->set_value("remap", "importer", "2d_array_texture"); + config->set_value("remap", "type", "StreamTexture2DArray"); + if (!config->has_section_key("params", "compress/mode")) { + config->set_value("params", "compress/mode", 2); //user may want another compression, so leave it be + } + config->set_value("params", "compress/channel_pack", 1); + config->set_value("params", "mipmaps/generate", false); + config->set_value("params", "slices/horizontal", 1); + config->set_value("params", "slices/vertical", images.size()); + + config->save(base_path + ".import"); + + Error err = large_image->save_exr(base_path, false); + ERR_FAIL_COND_V(err, BAKE_ERROR_CANT_CREATE_IMAGE); + ResourceLoader::import(base_path); + Ref<Texture> t = ResourceLoader::load(base_path); //if already loaded, it will be updated on refocus? + ERR_FAIL_COND_V(t.is_null(), BAKE_ERROR_CANT_CREATE_IMAGE); + texture = t; + } + + /* POSTBAKE: Save Light Data */ + + Ref<BakedLightmapData> data; + if (get_light_data().is_valid()) { + data = get_light_data(); + set_light_data(Ref<BakedLightmapData>()); //clear + data->clear(); + } else { + data.instance(); + } + + data->set_light_texture(texture); + data->set_uses_spherical_harmonics(directional); + + for (int i = 0; i < lightmapper->get_bake_mesh_count(); i++) { + Dictionary d = lightmapper->get_bake_mesh_userdata(i); + NodePath np = d["path"]; + int32_t subindex = -1; + if (d.has("subindex")) { + subindex = d["subindex"]; } -#else - mmi->set_owner(get_owner()); + + Rect2 uv_scale = lightmapper->get_bake_mesh_uv_scale(i); + int slice_index = lightmapper->get_bake_mesh_texture_slice(i); + data->add_user(np, uv_scale, slice_index, subindex); + } + + { + // create tetrahedrons + Vector<Vector3> points; + Vector<Color> sh; + points.resize(lightmapper->get_bake_probe_count()); + sh.resize(lightmapper->get_bake_probe_count() * 9); + for (int i = 0; i < lightmapper->get_bake_probe_count(); i++) { + points.write[i] = lightmapper->get_bake_probe_point(i); + Vector<Color> colors = lightmapper->get_bake_probe_sh(i); + ERR_CONTINUE(colors.size() != 9); + for (int j = 0; j < 9; j++) { + sh.write[i * 9 + j] = colors[j]; + } + } + + //Obtain solved simplices + + if (p_bake_step) { + p_bake_step(0.8, TTR("Generating Probe Volumes"), p_bake_userdata, true); + } + Vector<Delaunay3D::OutputSimplex> solved_simplices = Delaunay3D::tetrahedralize(points); + + LocalVector<BSPSimplex> bsp_simplices; + LocalVector<Plane> bsp_planes; + LocalVector<int32_t> bsp_simplex_indices; + PackedInt32Array tetrahedrons; + + for (int i = 0; i < solved_simplices.size(); i++) { + + //Prepare a special representation of the simplex, which uses a BSP Tree + BSPSimplex bsp_simplex; + for (int j = 0; j < 4; j++) { + bsp_simplex.vertices[j] = solved_simplices[i].points[j]; + } + for (int j = 0; j < 4; j++) { + static const int face_order[4][3] = { + { 0, 1, 2 }, + { 0, 2, 3 }, + { 0, 1, 3 }, + { 1, 2, 3 } + }; + Vector3 a = points[solved_simplices[i].points[face_order[j][0]]]; + Vector3 b = points[solved_simplices[i].points[face_order[j][1]]]; + Vector3 c = points[solved_simplices[i].points[face_order[j][2]]]; + + //store planes in an array, but ensure they are reused, to speed up processing + + Plane p(a, b, c); + int plane_index = -1; + for (uint32_t k = 0; k < bsp_planes.size(); k++) { + + if (bsp_planes[k].is_equal_approx_any_side(p)) { + plane_index = k; + break; + } + } + + if (plane_index == -1) { + plane_index = bsp_planes.size(); + bsp_planes.push_back(p); + } + + bsp_simplex.planes[j] = plane_index; + + //also fill simplex array + tetrahedrons.push_back(solved_simplices[i].points[j]); + } + + bsp_simplex_indices.push_back(bsp_simplices.size()); + bsp_simplices.push_back(bsp_simplex); + } + +//#define DEBUG_SIMPLICES_AS_OBJ_FILE +#ifdef DEBUG_SIMPLICES_AS_OBJ_FILE + { + FileAccessRef f = FileAccess::open("res://bsp.obj", FileAccess::WRITE); + for (uint32_t i = 0; i < bsp_simplices.size(); i++) { + f->store_line("o Simplex" + itos(i)); + for (int j = 0; j < 4; j++) { + f->store_line(vformat("v %f %f %f", points[bsp_simplices[i].vertices[j]].x, points[bsp_simplices[i].vertices[j]].y, points[bsp_simplices[i].vertices[j]].z)); + } + static const int face_order[4][3] = { + { 1, 2, 3 }, + { 1, 3, 4 }, + { 1, 2, 4 }, + { 2, 3, 4 } + }; + + for (int j = 0; j < 4; j++) { + f->store_line(vformat("f %d %d %d", 4 * i + face_order[j][0], 4 * i + face_order[j][1], 4 * i + face_order[j][2])); + } + } + f->close(); + } +#endif + + LocalVector<BSPNode> bsp_nodes; + LocalVector<int32_t> planes_tested; + planes_tested.resize(bsp_planes.size()); + for (uint32_t i = 0; i < planes_tested.size(); i++) { + planes_tested[i] = 0x7FFFFFFF; + } + + if (p_bake_step) { + p_bake_step(0.9, TTR("Generating Probe Acceleration Structures"), p_bake_userdata, true); + } + + _compute_bsp_tree(points, bsp_planes, planes_tested, bsp_simplices, bsp_simplex_indices, bsp_nodes); + + PackedInt32Array bsp_array; + bsp_array.resize(bsp_nodes.size() * 6); // six 32 bits values used for each BSP node + { + float *fptr = (float *)bsp_array.ptrw(); + int32_t *iptr = (int32_t *)bsp_array.ptrw(); + for (uint32_t i = 0; i < bsp_nodes.size(); i++) { + fptr[i * 6 + 0] = bsp_nodes[i].plane.normal.x; + fptr[i * 6 + 1] = bsp_nodes[i].plane.normal.y; + fptr[i * 6 + 2] = bsp_nodes[i].plane.normal.z; + fptr[i * 6 + 3] = bsp_nodes[i].plane.d; + iptr[i * 6 + 4] = bsp_nodes[i].over; + iptr[i * 6 + 5] = bsp_nodes[i].under; + } +//#define DEBUG_BSP_TREE +#ifdef DEBUG_BSP_TREE + FileAccessRef f = FileAccess::open("res://bsp.txt", FileAccess::WRITE); + for (uint32_t i = 0; i < bsp_nodes.size(); i++) { + f->store_line(itos(i) + " - plane: " + bsp_nodes[i].plane + " over: " + itos(bsp_nodes[i].over) + " under: " + itos(bsp_nodes[i].under)); + } #endif + } + + /* Obtain the colors from the images, they will be re-created as cubemaps on the server, depending on the driver */ + + data->set_capture_data(bounds, interior, points, sh, tetrahedrons, bsp_array); + /* Compute a BSP tree of the simplices, so it's easy to find the exact one */ + } + + Error err = ResourceSaver::save(p_image_data_path, data); + data->set_path(p_image_data_path); + + if (err != OK) { + return BAKE_ERROR_CANT_CREATE_IMAGE; } - set_light_data(new_light_data); + set_light_data(data); return BAKE_ERROR_OK; } void BakedLightmap::_notification(int p_what) { - if (p_what == NOTIFICATION_READY) { + if (p_what == NOTIFICATION_POST_ENTER_TREE) { if (light_data.is_valid()) { _assign_lightmaps(); } - request_ready(); //will need ready again if re-enters tree } if (p_what == NOTIFICATION_EXIT_TREE) { @@ -667,20 +1236,18 @@ void BakedLightmap::_assign_lightmaps() { ERR_FAIL_COND(!light_data.is_valid()); for (int i = 0; i < light_data->get_user_count(); i++) { - Ref<Texture2D> lightmap = light_data->get_user_lightmap(i); - ERR_CONTINUE(!lightmap.is_valid()); Node *node = get_node(light_data->get_user_path(i)); - int instance_idx = light_data->get_user_instance(i); + int instance_idx = light_data->get_user_sub_instance(i); if (instance_idx >= 0) { RID instance = node->call("get_bake_mesh_instance", instance_idx); if (instance.is_valid()) { - RS::get_singleton()->instance_set_use_lightmap(instance, get_instance(), lightmap->get_rid()); + RS::get_singleton()->instance_geometry_set_lightmap(instance, get_instance(), light_data->get_user_lightmap_uv_scale(i), light_data->get_user_lightmap_slice_index(i)); } } else { - VisualInstance *vi = Object::cast_to<VisualInstance>(node); + VisualInstance3D *vi = Object::cast_to<VisualInstance3D>(node); ERR_CONTINUE(!vi); - RS::get_singleton()->instance_set_use_lightmap(vi->get_instance(), get_instance(), lightmap->get_rid()); + RS::get_singleton()->instance_geometry_set_lightmap(vi->get_instance(), get_instance(), light_data->get_user_lightmap_uv_scale(i), light_data->get_user_lightmap_slice_index(i)); } } } @@ -689,16 +1256,16 @@ void BakedLightmap::_clear_lightmaps() { ERR_FAIL_COND(!light_data.is_valid()); for (int i = 0; i < light_data->get_user_count(); i++) { Node *node = get_node(light_data->get_user_path(i)); - int instance_idx = light_data->get_user_instance(i); + int instance_idx = light_data->get_user_sub_instance(i); if (instance_idx >= 0) { RID instance = node->call("get_bake_mesh_instance", instance_idx); if (instance.is_valid()) { - RS::get_singleton()->instance_set_use_lightmap(instance, get_instance(), RID()); + RS::get_singleton()->instance_geometry_set_lightmap(instance, RID(), Rect2(), 0); } } else { - VisualInstance *vi = Object::cast_to<VisualInstance>(node); + VisualInstance3D *vi = Object::cast_to<VisualInstance3D>(node); ERR_CONTINUE(!vi); - RS::get_singleton()->instance_set_use_lightmap(vi->get_instance(), get_instance(), RID()); + RS::get_singleton()->instance_geometry_set_lightmap(vi->get_instance(), RID(), Rect2(), 0); } } } @@ -719,6 +1286,8 @@ void BakedLightmap::set_light_data(const Ref<BakedLightmapData> &p_data) { _assign_lightmaps(); } } + + update_gizmo(); } Ref<BakedLightmapData> BakedLightmap::get_light_data() const { @@ -726,57 +1295,122 @@ Ref<BakedLightmapData> BakedLightmap::get_light_data() const { return light_data; } -void BakedLightmap::_debug_bake() { - bake(get_parent(), true); +void BakedLightmap::set_bake_quality(BakeQuality p_quality) { + bake_quality = p_quality; } -void BakedLightmap::set_propagation(float p_propagation) { - propagation = p_propagation; +BakedLightmap::BakeQuality BakedLightmap::get_bake_quality() const { + return bake_quality; } -float BakedLightmap::get_propagation() const { +AABB BakedLightmap::get_aabb() const { + return AABB(); +} +Vector<Face3> BakedLightmap::get_faces(uint32_t p_usage_flags) const { + return Vector<Face3>(); +} + +void BakedLightmap::set_use_denoiser(bool p_enable) { - return propagation; + use_denoiser = p_enable; } -void BakedLightmap::set_energy(float p_energy) { - energy = p_energy; +bool BakedLightmap::is_using_denoiser() const { + + return use_denoiser; } -float BakedLightmap::get_energy() const { +void BakedLightmap::set_directional(bool p_enable) { + directional = p_enable; +} - return energy; +bool BakedLightmap::is_directional() const { + return directional; } -void BakedLightmap::set_bake_quality(BakeQuality p_quality) { - bake_quality = p_quality; +void BakedLightmap::set_interior(bool p_enable) { + interior = p_enable; +} +bool BakedLightmap::is_interior() const { + return interior; } -BakedLightmap::BakeQuality BakedLightmap::get_bake_quality() const { - return bake_quality; +void BakedLightmap::set_environment_mode(EnvironmentMode p_mode) { + environment_mode = p_mode; + _change_notify(); } -void BakedLightmap::set_bake_mode(BakeMode p_mode) { - bake_mode = p_mode; +BakedLightmap::EnvironmentMode BakedLightmap::get_environment_mode() const { + return environment_mode; } -BakedLightmap::BakeMode BakedLightmap::get_bake_mode() const { - return bake_mode; +void BakedLightmap::set_environment_custom_sky(const Ref<Sky> &p_sky) { + environment_custom_sky = p_sky; } -void BakedLightmap::set_image_path(const String &p_path) { - image_path = p_path; +Ref<Sky> BakedLightmap::get_environment_custom_sky() const { + return environment_custom_sky; } -String BakedLightmap::get_image_path() const { - return image_path; +void BakedLightmap::set_environment_custom_color(const Color &p_color) { + environment_custom_color = p_color; +} +Color BakedLightmap::get_environment_custom_color() const { + return environment_custom_color; } -AABB BakedLightmap::get_aabb() const { - return AABB(-extents, extents * 2); +void BakedLightmap::set_environment_custom_energy(float p_energy) { + environment_custom_energy = p_energy; } -Vector<Face3> BakedLightmap::get_faces(uint32_t p_usage_flags) const { - return Vector<Face3>(); +float BakedLightmap::get_environment_custom_energy() const { + return environment_custom_energy; +} + +void BakedLightmap::set_bounces(int p_bounces) { + ERR_FAIL_COND(p_bounces < 0 || p_bounces > 16); + bounces = p_bounces; +} + +int BakedLightmap::get_bounces() const { + return bounces; +} + +void BakedLightmap::set_bias(float p_bias) { + ERR_FAIL_COND(p_bias < 0.00001); + bias = p_bias; +} + +float BakedLightmap::get_bias() const { + return bias; +} + +void BakedLightmap::set_max_texture_size(int p_size) { + ERR_FAIL_COND(p_size < 2048); + max_texture_size = p_size; +} + +int BakedLightmap::get_max_texture_size() const { + return max_texture_size; +} + +void BakedLightmap::set_generate_probes(GenerateProbes p_generate_probes) { + gen_probes = p_generate_probes; +} + +BakedLightmap::GenerateProbes BakedLightmap::get_generate_probes() const { + return gen_probes; +} + +void BakedLightmap::_validate_property(PropertyInfo &property) const { + if (property.name == "environment_custom_sky" && environment_mode != ENVIRONMENT_MODE_CUSTOM_SKY) { + property.usage = 0; + } + if (property.name == "environment_custom_color" && environment_mode != ENVIRONMENT_MODE_CUSTOM_COLOR) { + property.usage = 0; + } + if (property.name == "environment_custom_energy" && environment_mode != ENVIRONMENT_MODE_CUSTOM_COLOR && environment_mode != ENVIRONMENT_MODE_CUSTOM_SKY) { + property.usage = 0; + } } void BakedLightmap::_bind_methods() { @@ -784,81 +1418,91 @@ void BakedLightmap::_bind_methods() { ClassDB::bind_method(D_METHOD("set_light_data", "data"), &BakedLightmap::set_light_data); ClassDB::bind_method(D_METHOD("get_light_data"), &BakedLightmap::get_light_data); - ClassDB::bind_method(D_METHOD("set_bake_cell_size", "bake_cell_size"), &BakedLightmap::set_bake_cell_size); - ClassDB::bind_method(D_METHOD("get_bake_cell_size"), &BakedLightmap::get_bake_cell_size); - - ClassDB::bind_method(D_METHOD("set_capture_cell_size", "capture_cell_size"), &BakedLightmap::set_capture_cell_size); - ClassDB::bind_method(D_METHOD("get_capture_cell_size"), &BakedLightmap::get_capture_cell_size); - ClassDB::bind_method(D_METHOD("set_bake_quality", "bake_quality"), &BakedLightmap::set_bake_quality); ClassDB::bind_method(D_METHOD("get_bake_quality"), &BakedLightmap::get_bake_quality); - ClassDB::bind_method(D_METHOD("set_bake_mode", "bake_mode"), &BakedLightmap::set_bake_mode); - ClassDB::bind_method(D_METHOD("get_bake_mode"), &BakedLightmap::get_bake_mode); + ClassDB::bind_method(D_METHOD("set_bounces", "bounces"), &BakedLightmap::set_bounces); + ClassDB::bind_method(D_METHOD("get_bounces"), &BakedLightmap::get_bounces); + + ClassDB::bind_method(D_METHOD("set_generate_probes", "subdivision"), &BakedLightmap::set_generate_probes); + ClassDB::bind_method(D_METHOD("get_generate_probes"), &BakedLightmap::get_generate_probes); - ClassDB::bind_method(D_METHOD("set_extents", "extents"), &BakedLightmap::set_extents); - ClassDB::bind_method(D_METHOD("get_extents"), &BakedLightmap::get_extents); + ClassDB::bind_method(D_METHOD("set_bias", "bias"), &BakedLightmap::set_bias); + ClassDB::bind_method(D_METHOD("get_bias"), &BakedLightmap::get_bias); - ClassDB::bind_method(D_METHOD("set_bake_default_texels_per_unit", "texels"), &BakedLightmap::set_bake_default_texels_per_unit); - ClassDB::bind_method(D_METHOD("get_bake_default_texels_per_unit"), &BakedLightmap::get_bake_default_texels_per_unit); + ClassDB::bind_method(D_METHOD("set_environment_mode", "mode"), &BakedLightmap::set_environment_mode); + ClassDB::bind_method(D_METHOD("get_environment_mode"), &BakedLightmap::get_environment_mode); - ClassDB::bind_method(D_METHOD("set_propagation", "propagation"), &BakedLightmap::set_propagation); - ClassDB::bind_method(D_METHOD("get_propagation"), &BakedLightmap::get_propagation); + ClassDB::bind_method(D_METHOD("set_environment_custom_sky", "sky"), &BakedLightmap::set_environment_custom_sky); + ClassDB::bind_method(D_METHOD("get_environment_custom_sky"), &BakedLightmap::get_environment_custom_sky); - ClassDB::bind_method(D_METHOD("set_energy", "energy"), &BakedLightmap::set_energy); - ClassDB::bind_method(D_METHOD("get_energy"), &BakedLightmap::get_energy); + ClassDB::bind_method(D_METHOD("set_environment_custom_color", "color"), &BakedLightmap::set_environment_custom_color); + ClassDB::bind_method(D_METHOD("get_environment_custom_color"), &BakedLightmap::get_environment_custom_color); - ClassDB::bind_method(D_METHOD("set_hdr", "hdr"), &BakedLightmap::set_hdr); - ClassDB::bind_method(D_METHOD("is_hdr"), &BakedLightmap::is_hdr); + ClassDB::bind_method(D_METHOD("set_environment_custom_energy", "energy"), &BakedLightmap::set_environment_custom_energy); + ClassDB::bind_method(D_METHOD("get_environment_custom_energy"), &BakedLightmap::get_environment_custom_energy); - ClassDB::bind_method(D_METHOD("set_image_path", "image_path"), &BakedLightmap::set_image_path); - ClassDB::bind_method(D_METHOD("get_image_path"), &BakedLightmap::get_image_path); + ClassDB::bind_method(D_METHOD("set_max_texture_size", "max_texture_size"), &BakedLightmap::set_max_texture_size); + ClassDB::bind_method(D_METHOD("get_max_texture_size"), &BakedLightmap::get_max_texture_size); - ClassDB::bind_method(D_METHOD("bake", "from_node", "create_visual_debug"), &BakedLightmap::bake, DEFVAL(Variant()), DEFVAL(false)); - ClassDB::bind_method(D_METHOD("debug_bake"), &BakedLightmap::_debug_bake); - ClassDB::set_method_flags(get_class_static(), _scs_create("debug_bake"), METHOD_FLAGS_DEFAULT | METHOD_FLAG_EDITOR); + ClassDB::bind_method(D_METHOD("set_use_denoiser", "use_denoiser"), &BakedLightmap::set_use_denoiser); + ClassDB::bind_method(D_METHOD("is_using_denoiser"), &BakedLightmap::is_using_denoiser); - ADD_GROUP("Bake", "bake_"); - ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "bake_cell_size", PROPERTY_HINT_RANGE, "0.01,64,0.01"), "set_bake_cell_size", "get_bake_cell_size"); - ADD_PROPERTY(PropertyInfo(Variant::INT, "bake_quality", PROPERTY_HINT_ENUM, "Low,Medium,High"), "set_bake_quality", "get_bake_quality"); - ADD_PROPERTY(PropertyInfo(Variant::INT, "bake_mode", PROPERTY_HINT_ENUM, "ConeTrace,RayTrace"), "set_bake_mode", "get_bake_mode"); - ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "bake_propagation", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_propagation", "get_propagation"); - ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "bake_energy", PROPERTY_HINT_RANGE, "0,32,0.01"), "set_energy", "get_energy"); - ADD_PROPERTY(PropertyInfo(Variant::BOOL, "bake_hdr"), "set_hdr", "is_hdr"); - ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "bake_extents"), "set_extents", "get_extents"); - ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "bake_default_texels_per_unit"), "set_bake_default_texels_per_unit", "get_bake_default_texels_per_unit"); - ADD_GROUP("Capture", "capture_"); - ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "capture_cell_size", PROPERTY_HINT_RANGE, "0.01,64,0.01"), "set_capture_cell_size", "get_capture_cell_size"); + ClassDB::bind_method(D_METHOD("set_interior", "enable"), &BakedLightmap::set_interior); + ClassDB::bind_method(D_METHOD("is_interior"), &BakedLightmap::is_interior); + + ClassDB::bind_method(D_METHOD("set_directional", "directional"), &BakedLightmap::set_directional); + ClassDB::bind_method(D_METHOD("is_directional"), &BakedLightmap::is_directional); + + // ClassDB::bind_method(D_METHOD("bake", "from_node"), &BakedLightmap::bake, DEFVAL(Variant())); + + ADD_GROUP("Tweaks", ""); + ADD_PROPERTY(PropertyInfo(Variant::INT, "quality", PROPERTY_HINT_ENUM, "Low,Medium,High,Ultra"), "set_bake_quality", "get_bake_quality"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "bounces", PROPERTY_HINT_RANGE, "0,16,1"), "set_bounces", "get_bounces"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "directional"), "set_directional", "is_directional"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "interior"), "set_interior", "is_interior"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "use_denoiser"), "set_use_denoiser", "is_using_denoiser"); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "bias", PROPERTY_HINT_RANGE, "0.00001,0.1,0.00001,or_greater"), "set_bias", "get_bias"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "max_texture_size"), "set_max_texture_size", "get_max_texture_size"); + ADD_GROUP("Environment", "environment_"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "environment_mode", PROPERTY_HINT_ENUM, "Disabled,Scene,Custom Sky,Custom Color"), "set_environment_mode", "get_environment_mode"); + ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "environment_custom_sky", PROPERTY_HINT_RESOURCE_TYPE, "Sky"), "set_environment_custom_sky", "get_environment_custom_sky"); + ADD_PROPERTY(PropertyInfo(Variant::COLOR, "environment_custom_color", PROPERTY_HINT_COLOR_NO_ALPHA), "set_environment_custom_color", "get_environment_custom_color"); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "environment_custom_energy", PROPERTY_HINT_RANGE, "0,64,0.01"), "set_environment_custom_energy", "get_environment_custom_energy"); + ADD_GROUP("Gen Probes", "generate_probes_"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "generate_probes_subdiv", PROPERTY_HINT_ENUM, "Disabled,4,8,16,32"), "set_generate_probes", "get_generate_probes"); ADD_GROUP("Data", ""); - ADD_PROPERTY(PropertyInfo(Variant::STRING, "image_path", PROPERTY_HINT_DIR), "set_image_path", "get_image_path"); ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "light_data", PROPERTY_HINT_RESOURCE_TYPE, "BakedLightmapData"), "set_light_data", "get_light_data"); BIND_ENUM_CONSTANT(BAKE_QUALITY_LOW); BIND_ENUM_CONSTANT(BAKE_QUALITY_MEDIUM); BIND_ENUM_CONSTANT(BAKE_QUALITY_HIGH); - BIND_ENUM_CONSTANT(BAKE_MODE_CONE_TRACE); - BIND_ENUM_CONSTANT(BAKE_MODE_RAY_TRACE); BIND_ENUM_CONSTANT(BAKE_ERROR_OK); BIND_ENUM_CONSTANT(BAKE_ERROR_NO_SAVE_PATH); BIND_ENUM_CONSTANT(BAKE_ERROR_NO_MESHES); BIND_ENUM_CONSTANT(BAKE_ERROR_CANT_CREATE_IMAGE); BIND_ENUM_CONSTANT(BAKE_ERROR_USER_ABORTED); + + BIND_ENUM_CONSTANT(ENVIRONMENT_MODE_DISABLED); + BIND_ENUM_CONSTANT(ENVIRONMENT_MODE_SCENE); + BIND_ENUM_CONSTANT(ENVIRONMENT_MODE_CUSTOM_SKY); + BIND_ENUM_CONSTANT(ENVIRONMENT_MODE_CUSTOM_COLOR); } BakedLightmap::BakedLightmap() { - extents = Vector3(10, 10, 10); - bake_default_texels_per_unit = 20; - bake_cell_size = 0.25; - capture_cell_size = 0.5; + environment_mode = ENVIRONMENT_MODE_DISABLED; + environment_custom_color = Color(0.2, 0.7, 1.0); + environment_custom_energy = 1.0; bake_quality = BAKE_QUALITY_MEDIUM; - bake_mode = BAKE_MODE_CONE_TRACE; - energy = 1; - propagation = 1; - hdr = false; - image_path = "."; - set_disable_scale(true); + interior = false; + directional = false; + + gen_probes = GENERATE_PROBES_DISABLED; + use_denoiser = true; + bounces = 1; + bias = 0.0005; + max_texture_size = 16384; } -#endif |