diff options
Diffstat (limited to 'scene/3d')
-rw-r--r-- | scene/3d/baked_light_instance.cpp | 1754 | ||||
-rw-r--r-- | scene/3d/baked_light_instance.h | 199 | ||||
-rw-r--r-- | scene/3d/gi_probe.cpp | 20 | ||||
-rw-r--r-- | scene/3d/gi_probe.h | 4 | ||||
-rw-r--r-- | scene/3d/light.cpp | 20 | ||||
-rw-r--r-- | scene/3d/light.h | 1 |
6 files changed, 12 insertions, 1986 deletions
diff --git a/scene/3d/baked_light_instance.cpp b/scene/3d/baked_light_instance.cpp deleted file mode 100644 index ffa7597113..0000000000 --- a/scene/3d/baked_light_instance.cpp +++ /dev/null @@ -1,1754 +0,0 @@ -/*************************************************************************/ -/* baked_light_instance.cpp */ -/*************************************************************************/ -/* This file is part of: */ -/* GODOT ENGINE */ -/* http://www.godotengine.org */ -/*************************************************************************/ -/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */ -/* */ -/* Permission is hereby granted, free of charge, to any person obtaining */ -/* a copy of this software and associated documentation files (the */ -/* "Software"), to deal in the Software without restriction, including */ -/* without limitation the rights to use, copy, modify, merge, publish, */ -/* distribute, sublicense, and/or sell copies of the Software, and to */ -/* permit persons to whom the Software is furnished to do so, subject to */ -/* the following conditions: */ -/* */ -/* The above copyright notice and this permission notice shall be */ -/* included in all copies or substantial portions of the Software. */ -/* */ -/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ -/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ -/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ -/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ -/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ -/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ -/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ -/*************************************************************************/ -#include "baked_light_instance.h" -#include "light.h" -#include "math.h" -#include "mesh_instance.h" -#include "scene/scene_string_names.h" - -#define FINDMINMAX(x0, x1, x2, min, max) \ - min = max = x0; \ - if (x1 < min) min = x1; \ - if (x1 > max) max = x1; \ - if (x2 < min) min = x2; \ - if (x2 > max) max = x2; - -static bool planeBoxOverlap(Vector3 normal, float d, Vector3 maxbox) { - int q; - Vector3 vmin, vmax; - for (q = 0; q <= 2; q++) { - if (normal[q] > 0.0f) { - vmin[q] = -maxbox[q]; - vmax[q] = maxbox[q]; - } else { - vmin[q] = maxbox[q]; - vmax[q] = -maxbox[q]; - } - } - if (normal.dot(vmin) + d > 0.0f) return false; - if (normal.dot(vmax) + d >= 0.0f) return true; - - return false; -} - -/*======================== X-tests ========================*/ -#define AXISTEST_X01(a, b, fa, fb) \ - p0 = a * v0.y - b * v0.z; \ - p2 = a * v2.y - b * v2.z; \ - if (p0 < p2) { \ - min = p0; \ - max = p2; \ - } else { \ - min = p2; \ - max = p0; \ - } \ - rad = fa * boxhalfsize.y + fb * boxhalfsize.z; \ - if (min > rad || max < -rad) return false; - -#define AXISTEST_X2(a, b, fa, fb) \ - p0 = a * v0.y - b * v0.z; \ - p1 = a * v1.y - b * v1.z; \ - if (p0 < p1) { \ - min = p0; \ - max = p1; \ - } else { \ - min = p1; \ - max = p0; \ - } \ - rad = fa * boxhalfsize.y + fb * boxhalfsize.z; \ - if (min > rad || max < -rad) return false; - -/*======================== Y-tests ========================*/ -#define AXISTEST_Y02(a, b, fa, fb) \ - p0 = -a * v0.x + b * v0.z; \ - p2 = -a * v2.x + b * v2.z; \ - if (p0 < p2) { \ - min = p0; \ - max = p2; \ - } else { \ - min = p2; \ - max = p0; \ - } \ - rad = fa * boxhalfsize.x + fb * boxhalfsize.z; \ - if (min > rad || max < -rad) return false; - -#define AXISTEST_Y1(a, b, fa, fb) \ - p0 = -a * v0.x + b * v0.z; \ - p1 = -a * v1.x + b * v1.z; \ - if (p0 < p1) { \ - min = p0; \ - max = p1; \ - } else { \ - min = p1; \ - max = p0; \ - } \ - rad = fa * boxhalfsize.x + fb * boxhalfsize.z; \ - if (min > rad || max < -rad) return false; - -/*======================== Z-tests ========================*/ - -#define AXISTEST_Z12(a, b, fa, fb) \ - p1 = a * v1.x - b * v1.y; \ - p2 = a * v2.x - b * v2.y; \ - if (p2 < p1) { \ - min = p2; \ - max = p1; \ - } else { \ - min = p1; \ - max = p2; \ - } \ - rad = fa * boxhalfsize.x + fb * boxhalfsize.y; \ - if (min > rad || max < -rad) return false; - -#define AXISTEST_Z0(a, b, fa, fb) \ - p0 = a * v0.x - b * v0.y; \ - p1 = a * v1.x - b * v1.y; \ - if (p0 < p1) { \ - min = p0; \ - max = p1; \ - } else { \ - min = p1; \ - max = p0; \ - } \ - rad = fa * boxhalfsize.x + fb * boxhalfsize.y; \ - if (min > rad || max < -rad) return false; - -static bool fast_tri_box_overlap(const Vector3 &boxcenter, const Vector3 boxhalfsize, const Vector3 *triverts) { - - /* use separating axis theorem to test overlap between triangle and box */ - /* need to test for overlap in these directions: */ - /* 1) the {x,y,z}-directions (actually, since we use the AABB of the triangle */ - /* we do not even need to test these) */ - /* 2) normal of the triangle */ - /* 3) crossproduct(edge from tri, {x,y,z}-directin) */ - /* this gives 3x3=9 more tests */ - Vector3 v0, v1, v2; - float min, max, d, p0, p1, p2, rad, fex, fey, fez; - Vector3 normal, e0, e1, e2; - - /* This is the fastest branch on Sun */ - /* move everything so that the boxcenter is in (0,0,0) */ - - v0 = triverts[0] - boxcenter; - v1 = triverts[1] - boxcenter; - v2 = triverts[2] - boxcenter; - - /* compute triangle edges */ - e0 = v1 - v0; /* tri edge 0 */ - e1 = v2 - v1; /* tri edge 1 */ - e2 = v0 - v2; /* tri edge 2 */ - - /* Bullet 3: */ - /* test the 9 tests first (this was faster) */ - fex = Math::abs(e0.x); - fey = Math::abs(e0.y); - fez = Math::abs(e0.z); - AXISTEST_X01(e0.z, e0.y, fez, fey); - AXISTEST_Y02(e0.z, e0.x, fez, fex); - AXISTEST_Z12(e0.y, e0.x, fey, fex); - - fex = Math::abs(e1.x); - fey = Math::abs(e1.y); - fez = Math::abs(e1.z); - AXISTEST_X01(e1.z, e1.y, fez, fey); - AXISTEST_Y02(e1.z, e1.x, fez, fex); - AXISTEST_Z0(e1.y, e1.x, fey, fex); - - fex = Math::abs(e2.x); - fey = Math::abs(e2.y); - fez = Math::abs(e2.z); - AXISTEST_X2(e2.z, e2.y, fez, fey); - AXISTEST_Y1(e2.z, e2.x, fez, fex); - AXISTEST_Z12(e2.y, e2.x, fey, fex); - - /* Bullet 1: */ - /* first test overlap in the {x,y,z}-directions */ - /* find min, max of the triangle each direction, and test for overlap in */ - /* that direction -- this is equivalent to testing a minimal AABB around */ - /* the triangle against the AABB */ - - /* test in X-direction */ - FINDMINMAX(v0.x, v1.x, v2.x, min, max); - if (min > boxhalfsize.x || max < -boxhalfsize.x) return false; - - /* test in Y-direction */ - FINDMINMAX(v0.y, v1.y, v2.y, min, max); - if (min > boxhalfsize.y || max < -boxhalfsize.y) return false; - - /* test in Z-direction */ - FINDMINMAX(v0.z, v1.z, v2.z, min, max); - if (min > boxhalfsize.z || max < -boxhalfsize.z) return false; - - /* Bullet 2: */ - /* test if the box intersects the plane of the triangle */ - /* compute plane equation of triangle: normal*x+d=0 */ - normal = e0.cross(e1); - d = -normal.dot(v0); /* plane eq: normal.x+d=0 */ - if (!planeBoxOverlap(normal, d, boxhalfsize)) return false; - - return true; /* box and triangle overlaps */ -} - -Vector<Color> BakedLight::_get_bake_texture(Image &p_image, const Color &p_color) { - - Vector<Color> ret; - - if (p_image.empty()) { - - ret.resize(bake_texture_size * bake_texture_size); - for (int i = 0; i < bake_texture_size * bake_texture_size; i++) { - ret[i] = p_color; - } - - return ret; - } - - p_image.convert(Image::FORMAT_RGBA8); - p_image.resize(bake_texture_size, bake_texture_size, Image::INTERPOLATE_CUBIC); - - PoolVector<uint8_t>::Read r = p_image.get_data().read(); - ret.resize(bake_texture_size * bake_texture_size); - - for (int i = 0; i < bake_texture_size * bake_texture_size; i++) { - Color c; - c.r = r[i * 4 + 0] / 255.0; - c.g = r[i * 4 + 1] / 255.0; - c.b = r[i * 4 + 2] / 255.0; - c.a = r[i * 4 + 3] / 255.0; - ret[i] = c; - } - - return ret; -} - -BakedLight::MaterialCache BakedLight::_get_material_cache(Ref<Material> p_material) { - - //this way of obtaining materials is inaccurate and also does not support some compressed formats very well - Ref<SpatialMaterial> mat = p_material; - - Ref<Material> material = mat; //hack for now - - if (material_cache.has(material)) { - return material_cache[material]; - } - - MaterialCache mc; - - if (mat.is_valid()) { - - Ref<ImageTexture> albedo_tex = mat->get_texture(SpatialMaterial::TEXTURE_ALBEDO); - - Image img_albedo; - if (albedo_tex.is_valid()) { - - img_albedo = albedo_tex->get_data(); - } - - mc.albedo = _get_bake_texture(img_albedo, mat->get_albedo()); - - Ref<ImageTexture> emission_tex = mat->get_texture(SpatialMaterial::TEXTURE_EMISSION); - - Color emission_col = mat->get_emission(); - emission_col.r *= mat->get_emission_energy(); - emission_col.g *= mat->get_emission_energy(); - emission_col.b *= mat->get_emission_energy(); - - Image img_emission; - - if (emission_tex.is_valid()) { - - img_emission = emission_tex->get_data(); - } - - mc.emission = _get_bake_texture(img_emission, emission_col); - - } else { - Image empty; - - mc.albedo = _get_bake_texture(empty, Color(0.7, 0.7, 0.7)); - mc.emission = _get_bake_texture(empty, Color(0, 0, 0)); - } - - material_cache[p_material] = mc; - return mc; -} - -static _FORCE_INLINE_ Vector2 get_uv(const Vector3 &p_pos, const Vector3 *p_vtx, const Vector2 *p_uv) { - - if (p_pos.distance_squared_to(p_vtx[0]) < CMP_EPSILON2) - return p_uv[0]; - if (p_pos.distance_squared_to(p_vtx[1]) < CMP_EPSILON2) - return p_uv[1]; - if (p_pos.distance_squared_to(p_vtx[2]) < CMP_EPSILON2) - return p_uv[2]; - - Vector3 v0 = p_vtx[1] - p_vtx[0]; - Vector3 v1 = p_vtx[2] - p_vtx[0]; - Vector3 v2 = p_pos - p_vtx[0]; - - float d00 = v0.dot(v0); - float d01 = v0.dot(v1); - float d11 = v1.dot(v1); - float d20 = v2.dot(v0); - float d21 = v2.dot(v1); - float denom = (d00 * d11 - d01 * d01); - if (denom == 0) - return p_uv[0]; - float v = (d11 * d20 - d01 * d21) / denom; - float w = (d00 * d21 - d01 * d20) / denom; - float u = 1.0f - v - w; - - return p_uv[0] * u + p_uv[1] * v + p_uv[2] * w; -} - -void BakedLight::_plot_face(int p_idx, int p_level, const Vector3 *p_vtx, const Vector2 *p_uv, const MaterialCache &p_material, const Rect3 &p_aabb) { - - if (p_level == cell_subdiv - 1) { - //plot the face by guessing it's albedo and emission value - - //find best axis to map to, for scanning values - int closest_axis; - float closest_dot; - - Vector3 normal = Plane(p_vtx[0], p_vtx[1], p_vtx[2]).normal; - - for (int i = 0; i < 3; i++) { - - Vector3 axis; - axis[i] = 1.0; - float dot = ABS(normal.dot(axis)); - if (i == 0 || dot > closest_dot) { - closest_axis = i; - closest_dot = dot; - } - } - - Vector3 axis; - axis[closest_axis] = 1.0; - Vector3 t1; - t1[(closest_axis + 1) % 3] = 1.0; - Vector3 t2; - t2[(closest_axis + 2) % 3] = 1.0; - - t1 *= p_aabb.size[(closest_axis + 1) % 3] / float(color_scan_cell_width); - t2 *= p_aabb.size[(closest_axis + 2) % 3] / float(color_scan_cell_width); - - Color albedo_accum; - Color emission_accum; - float alpha = 0.0; - - //map to a grid average in the best axis for this face - for (int i = 0; i < color_scan_cell_width; i++) { - - Vector3 ofs_i = float(i) * t1; - - for (int j = 0; j < color_scan_cell_width; j++) { - - Vector3 ofs_j = float(j) * t2; - - Vector3 from = p_aabb.pos + ofs_i + ofs_j; - Vector3 to = from + t1 + t2 + axis * p_aabb.size[closest_axis]; - Vector3 half = (to - from) * 0.5; - - //is in this cell? - if (!fast_tri_box_overlap(from + half, half, p_vtx)) { - continue; //face does not span this cell - } - - //go from -size to +size*2 to avoid skipping collisions - Vector3 ray_from = from + (t1 + t2) * 0.5 - axis * p_aabb.size[closest_axis]; - Vector3 ray_to = ray_from + axis * p_aabb.size[closest_axis] * 2; - - Vector3 intersection; - - if (!Geometry::ray_intersects_triangle(ray_from, ray_to, p_vtx[0], p_vtx[1], p_vtx[2], &intersection)) { - //no intersect? look in edges - - float closest_dist = 1e20; - for (int j = 0; j < 3; j++) { - Vector3 c; - Vector3 inters; - Geometry::get_closest_points_between_segments(p_vtx[j], p_vtx[(j + 1) % 3], ray_from, ray_to, inters, c); - float d = c.distance_to(intersection); - if (j == 0 || d < closest_dist) { - closest_dist = d; - intersection = inters; - } - } - } - - Vector2 uv = get_uv(intersection, p_vtx, p_uv); - - int uv_x = CLAMP(Math::fposmod(uv.x, 1.0f) * bake_texture_size, 0, bake_texture_size - 1); - int uv_y = CLAMP(Math::fposmod(uv.y, 1.0f) * bake_texture_size, 0, bake_texture_size - 1); - - int ofs = uv_y * bake_texture_size + uv_x; - albedo_accum.r += p_material.albedo[ofs].r; - albedo_accum.g += p_material.albedo[ofs].g; - albedo_accum.b += p_material.albedo[ofs].b; - albedo_accum.a += p_material.albedo[ofs].a; - - emission_accum.r += p_material.emission[ofs].r; - emission_accum.g += p_material.emission[ofs].g; - emission_accum.b += p_material.emission[ofs].b; - alpha += 1.0; - } - } - - if (alpha == 0) { - //could not in any way get texture information.. so use closest point to center - - Face3 f(p_vtx[0], p_vtx[1], p_vtx[2]); - Vector3 inters = f.get_closest_point_to(p_aabb.pos + p_aabb.size * 0.5); - - Vector2 uv = get_uv(inters, p_vtx, p_uv); - - int uv_x = CLAMP(Math::fposmod(uv.x, 1.0f) * bake_texture_size, 0, bake_texture_size - 1); - int uv_y = CLAMP(Math::fposmod(uv.y, 1.0f) * bake_texture_size, 0, bake_texture_size - 1); - - int ofs = uv_y * bake_texture_size + uv_x; - - alpha = 1.0 / (color_scan_cell_width * color_scan_cell_width); - - albedo_accum.r = p_material.albedo[ofs].r * alpha; - albedo_accum.g = p_material.albedo[ofs].g * alpha; - albedo_accum.b = p_material.albedo[ofs].b * alpha; - albedo_accum.a = p_material.albedo[ofs].a * alpha; - - emission_accum.r = p_material.emission[ofs].r * alpha; - emission_accum.g = p_material.emission[ofs].g * alpha; - emission_accum.b = p_material.emission[ofs].b * alpha; - - zero_alphas++; - } else { - - float accdiv = 1.0 / (color_scan_cell_width * color_scan_cell_width); - alpha *= accdiv; - - albedo_accum.r *= accdiv; - albedo_accum.g *= accdiv; - albedo_accum.b *= accdiv; - albedo_accum.a *= accdiv; - - emission_accum.r *= accdiv; - emission_accum.g *= accdiv; - emission_accum.b *= accdiv; - } - - //put this temporarily here, corrected in a later step - bake_cells_write[p_idx].albedo[0] += albedo_accum.r; - bake_cells_write[p_idx].albedo[1] += albedo_accum.g; - bake_cells_write[p_idx].albedo[2] += albedo_accum.b; - bake_cells_write[p_idx].light[0] += emission_accum.r; - bake_cells_write[p_idx].light[1] += emission_accum.g; - bake_cells_write[p_idx].light[2] += emission_accum.b; - bake_cells_write[p_idx].alpha += alpha; - - static const Vector3 side_normals[6] = { - Vector3(-1, 0, 0), - Vector3(1, 0, 0), - Vector3(0, -1, 0), - Vector3(0, 1, 0), - Vector3(0, 0, -1), - Vector3(0, 0, 1), - }; - - for (int i = 0; i < 6; i++) { - if (normal.dot(side_normals[i]) > CMP_EPSILON) { - bake_cells_write[p_idx].used_sides |= (1 << i); - } - } - - } else { - //go down - for (int i = 0; i < 8; i++) { - - Rect3 aabb = p_aabb; - aabb.size *= 0.5; - - if (i & 1) - aabb.pos.x += aabb.size.x; - if (i & 2) - aabb.pos.y += aabb.size.y; - if (i & 4) - aabb.pos.z += aabb.size.z; - - { - Rect3 test_aabb = aabb; - //test_aabb.grow_by(test_aabb.get_longest_axis_size()*0.05); //grow a bit to avoid numerical error in real-time - Vector3 qsize = test_aabb.size * 0.5; //quarter size, for fast aabb test - - if (!fast_tri_box_overlap(test_aabb.pos + qsize, qsize, p_vtx)) { - //if (!Face3(p_vtx[0],p_vtx[1],p_vtx[2]).intersects_aabb2(aabb)) { - //does not fit in child, go on - continue; - } - } - - if (bake_cells_write[p_idx].childs[i] == CHILD_EMPTY) { - //sub cell must be created - - if (bake_cells_used == (1 << bake_cells_alloc)) { - //exhausted cells, creating more space - bake_cells_alloc++; - bake_cells_write = PoolVector<BakeCell>::Write(); - bake_cells.resize(1 << bake_cells_alloc); - bake_cells_write = bake_cells.write(); - } - - bake_cells_write[p_idx].childs[i] = bake_cells_used; - bake_cells_level_used[p_level + 1]++; - bake_cells_used++; - } - - _plot_face(bake_cells_write[p_idx].childs[i], p_level + 1, p_vtx, p_uv, p_material, aabb); - } - } -} - -void BakedLight::_fixup_plot(int p_idx, int p_level, int p_x, int p_y, int p_z) { - - if (p_level == cell_subdiv - 1) { - - float alpha = bake_cells_write[p_idx].alpha; - - bake_cells_write[p_idx].albedo[0] /= alpha; - bake_cells_write[p_idx].albedo[1] /= alpha; - bake_cells_write[p_idx].albedo[2] /= alpha; - - //transfer emission to light - bake_cells_write[p_idx].light[0] /= alpha; - bake_cells_write[p_idx].light[1] /= alpha; - bake_cells_write[p_idx].light[2] /= alpha; - - bake_cells_write[p_idx].alpha = 1.0; - - //remove neighbours from used sides - - for (int n = 0; n < 6; n++) { - - int ofs[3] = { 0, 0, 0 }; - - ofs[n / 2] = (n & 1) ? 1 : -1; - - //convert to x,y,z on this level - int x = p_x; - int y = p_y; - int z = p_z; - - x += ofs[0]; - y += ofs[1]; - z += ofs[2]; - - int ofs_x = 0; - int ofs_y = 0; - int ofs_z = 0; - int size = 1 << p_level; - int half = size / 2; - - if (x < 0 || x >= size || y < 0 || y >= size || z < 0 || z >= size) { - //neighbour is out, can't use it - bake_cells_write[p_idx].used_sides &= ~(1 << uint32_t(n)); - continue; - } - - uint32_t neighbour = 0; - - for (int i = 0; i < cell_subdiv - 1; i++) { - - BakeCell *bc = &bake_cells_write[neighbour]; - - int child = 0; - if (x >= ofs_x + half) { - child |= 1; - ofs_x += half; - } - if (y >= ofs_y + half) { - child |= 2; - ofs_y += half; - } - if (z >= ofs_z + half) { - child |= 4; - ofs_z += half; - } - - neighbour = bc->childs[child]; - if (neighbour == CHILD_EMPTY) { - break; - } - - half >>= 1; - } - - if (neighbour != CHILD_EMPTY) { - bake_cells_write[p_idx].used_sides &= ~(1 << uint32_t(n)); - } - } - } else { - - //go down - - float alpha_average = 0; - int half = cells_per_axis >> (p_level + 1); - for (int i = 0; i < 8; i++) { - - uint32_t child = bake_cells_write[p_idx].childs[i]; - - if (child == CHILD_EMPTY) - continue; - - int nx = p_x; - int ny = p_y; - int nz = p_z; - - if (i & 1) - nx += half; - if (i & 2) - ny += half; - if (i & 4) - nz += half; - - _fixup_plot(child, p_level + 1, nx, ny, nz); - alpha_average += bake_cells_write[child].alpha; - } - - bake_cells_write[p_idx].alpha = alpha_average / 8.0; - bake_cells_write[p_idx].light[0] = 0; - bake_cells_write[p_idx].light[1] = 0; - bake_cells_write[p_idx].light[2] = 0; - bake_cells_write[p_idx].albedo[0] = 0; - bake_cells_write[p_idx].albedo[1] = 0; - bake_cells_write[p_idx].albedo[2] = 0; - } - - //clean up light - bake_cells_write[p_idx].light_pass = 0; - //find neighbours -} - -void BakedLight::_bake_add_mesh(const Transform &p_xform, Ref<Mesh> &p_mesh) { - - for (int i = 0; i < p_mesh->get_surface_count(); i++) { - - if (p_mesh->surface_get_primitive_type(i) != Mesh::PRIMITIVE_TRIANGLES) - continue; //only triangles - - MaterialCache material = _get_material_cache(p_mesh->surface_get_material(i)); - - Array a = p_mesh->surface_get_arrays(i); - - PoolVector<Vector3> vertices = a[Mesh::ARRAY_VERTEX]; - PoolVector<Vector3>::Read vr = vertices.read(); - PoolVector<Vector2> uv = a[Mesh::ARRAY_TEX_UV]; - PoolVector<Vector2>::Read uvr; - PoolVector<int> index = a[Mesh::ARRAY_INDEX]; - - bool read_uv = false; - - if (uv.size()) { - - uvr = uv.read(); - read_uv = true; - } - - if (index.size()) { - - int facecount = index.size() / 3; - PoolVector<int>::Read ir = index.read(); - - for (int j = 0; j < facecount; j++) { - - Vector3 vtxs[3]; - Vector2 uvs[3]; - - for (int k = 0; k < 3; k++) { - vtxs[k] = p_xform.xform(vr[ir[j * 3 + k]]); - } - - if (read_uv) { - for (int k = 0; k < 3; k++) { - uvs[k] = uvr[ir[j * 3 + k]]; - } - } - - //plot face - _plot_face(0, 0, vtxs, uvs, material, bounds); - } - - } else { - - int facecount = vertices.size() / 3; - - for (int j = 0; j < facecount; j++) { - - Vector3 vtxs[3]; - Vector2 uvs[3]; - - for (int k = 0; k < 3; k++) { - vtxs[k] = p_xform.xform(vr[j * 3 + k]); - } - - if (read_uv) { - for (int k = 0; k < 3; k++) { - uvs[k] = uvr[j * 3 + k]; - } - } - - //plot face - _plot_face(0, 0, vtxs, uvs, material, bounds); - } - } - } -} - -void BakedLight::_bake_add_to_aabb(const Transform &p_xform, Ref<Mesh> &p_mesh, bool &first) { - - for (int i = 0; i < p_mesh->get_surface_count(); i++) { - - if (p_mesh->surface_get_primitive_type(i) != Mesh::PRIMITIVE_TRIANGLES) - continue; //only triangles - - Array a = p_mesh->surface_get_arrays(i); - PoolVector<Vector3> vertices = a[Mesh::ARRAY_VERTEX]; - int vc = vertices.size(); - PoolVector<Vector3>::Read vr = vertices.read(); - - if (first) { - bounds.pos = p_xform.xform(vr[0]); - first = false; - } - - for (int j = 0; j < vc; j++) { - bounds.expand_to(p_xform.xform(vr[j])); - } - } -} - -void BakedLight::bake() { - - bake_cells_alloc = 16; - bake_cells.resize(1 << bake_cells_alloc); - bake_cells_used = 1; - cells_per_axis = (1 << (cell_subdiv - 1)); - zero_alphas = 0; - - bool aabb_first = true; - print_line("Generating AABB"); - - bake_cells_level_used.resize(cell_subdiv); - for (int i = 0; i < cell_subdiv; i++) { - bake_cells_level_used[i] = 0; - } - - int count = 0; - for (Set<GeometryInstance *>::Element *E = geometries.front(); E; E = E->next()) { - - print_line("aabb geom " + itos(count) + "/" + itos(geometries.size())); - - GeometryInstance *geom = E->get(); - - if (geom->cast_to<MeshInstance>()) { - - MeshInstance *mesh_instance = geom->cast_to<MeshInstance>(); - Ref<Mesh> mesh = mesh_instance->get_mesh(); - if (mesh.is_valid()) { - - _bake_add_to_aabb(geom->get_relative_transform(this), mesh, aabb_first); - } - } - count++; - } - - print_line("AABB: " + bounds); - ERR_FAIL_COND(aabb_first); - - bake_cells_write = bake_cells.write(); - count = 0; - - for (Set<GeometryInstance *>::Element *E = geometries.front(); E; E = E->next()) { - - GeometryInstance *geom = E->get(); - print_line("plot geom " + itos(count) + "/" + itos(geometries.size())); - - if (geom->cast_to<MeshInstance>()) { - - MeshInstance *mesh_instance = geom->cast_to<MeshInstance>(); - Ref<Mesh> mesh = mesh_instance->get_mesh(); - if (mesh.is_valid()) { - - _bake_add_mesh(geom->get_relative_transform(this), mesh); - } - } - - count++; - } - - _fixup_plot(0, 0, 0, 0, 0); - - bake_cells_write = PoolVector<BakeCell>::Write(); - - bake_cells.resize(bake_cells_used); - - print_line("total bake cells used: " + itos(bake_cells_used)); - for (int i = 0; i < cell_subdiv; i++) { - print_line("level " + itos(i) + ": " + itos(bake_cells_level_used[i])); - } - print_line("zero alphas: " + itos(zero_alphas)); -} - -void BakedLight::_bake_directional(int p_idx, int p_level, int p_x, int p_y, int p_z, const Vector3 &p_dir, const Color &p_color, int p_sign) { - - if (p_level == cell_subdiv - 1) { - - Vector3 end; - end.x = float(p_x + 0.5) / cells_per_axis; - end.y = float(p_y + 0.5) / cells_per_axis; - end.z = float(p_z + 0.5) / cells_per_axis; - - end = bounds.pos + bounds.size * end; - - float max_ray_len = (bounds.size).length() * 1.2; - - Vector3 begin = end + max_ray_len * -p_dir; - - //clip begin - - for (int i = 0; i < 3; i++) { - - if (ABS(p_dir[i]) < CMP_EPSILON) { - continue; // parallel to axis, don't clip - } - - Plane p; - p.normal[i] = 1.0; - p.d = bounds.pos[i]; - if (p_dir[i] < 0) { - p.d += bounds.size[i]; - } - - Vector3 inters; - if (p.intersects_segment(end, begin, &inters)) { - begin = inters; - } - } - - int idx = _plot_ray(begin, end); - - if (idx >= 0 && light_pass != bake_cells_write[idx].light_pass) { - //hit something, add or remove light to it - - Color albedo = Color(bake_cells_write[idx].albedo[0], bake_cells_write[idx].albedo[1], bake_cells_write[idx].albedo[2]); - bake_cells_write[idx].light[0] += albedo.r * p_color.r * p_sign; - bake_cells_write[idx].light[1] += albedo.g * p_color.g * p_sign; - bake_cells_write[idx].light[2] += albedo.b * p_color.b * p_sign; - bake_cells_write[idx].light_pass = light_pass; - } - - } else { - - int half = cells_per_axis >> (p_level + 1); - - //go down - for (int i = 0; i < 8; i++) { - - uint32_t child = bake_cells_write[p_idx].childs[i]; - - if (child == CHILD_EMPTY) - continue; - - int nx = p_x; - int ny = p_y; - int nz = p_z; - - if (i & 1) - nx += half; - if (i & 2) - ny += half; - if (i & 4) - nz += half; - - _bake_directional(child, p_level + 1, nx, ny, nz, p_dir, p_color, p_sign); - } - } -} - -void BakedLight::_bake_light(Light *p_light) { - - if (p_light->cast_to<DirectionalLight>()) { - - DirectionalLight *dl = p_light->cast_to<DirectionalLight>(); - - Transform rel_xf = dl->get_relative_transform(this); - - Vector3 light_dir = -rel_xf.basis.get_axis(2); - - Color color = dl->get_color(); - float nrg = dl->get_param(Light::PARAM_ENERGY); - color.r *= nrg; - color.g *= nrg; - color.b *= nrg; - - light_pass++; - _bake_directional(0, 0, 0, 0, 0, light_dir, color, 1); - } -} - -void BakedLight::_upscale_light(int p_idx, int p_level) { - - //go down - - float light_accum[3] = { 0, 0, 0 }; - float alpha_accum = 0; - - bool check_children = p_level < (cell_subdiv - 2); - - for (int i = 0; i < 8; i++) { - - uint32_t child = bake_cells_write[p_idx].childs[i]; - - if (child == CHILD_EMPTY) - continue; - - if (check_children) { - _upscale_light(child, p_level + 1); - } - - light_accum[0] += bake_cells_write[child].light[0]; - light_accum[1] += bake_cells_write[child].light[1]; - light_accum[2] += bake_cells_write[child].light[2]; - alpha_accum += bake_cells_write[child].alpha; - } - - bake_cells_write[p_idx].light[0] = light_accum[0] / 8.0; - bake_cells_write[p_idx].light[1] = light_accum[1] / 8.0; - bake_cells_write[p_idx].light[2] = light_accum[2] / 8.0; - bake_cells_write[p_idx].alpha = alpha_accum / 8.0; -} - -void BakedLight::bake_lights() { - - ERR_FAIL_COND(bake_cells.size() == 0); - - bake_cells_write = bake_cells.write(); - - for (Set<Light *>::Element *E = lights.front(); E; E = E->next()) { - - _bake_light(E->get()); - } - - _upscale_light(0, 0); - - bake_cells_write = PoolVector<BakeCell>::Write(); -} - -Color BakedLight::_cone_trace(const Vector3 &p_from, const Vector3 &p_dir, float p_half_angle) { - - Color color(0, 0, 0, 0); - float tha = Math::tan(p_half_angle); //tan half angle - Vector3 from = (p_from - bounds.pos) / bounds.size; //convert to 0..1 - from /= cells_per_axis; //convert to voxels of size 1 - Vector3 dir = (p_dir / bounds.size).normalized(); - - float max_dist = Vector3(cells_per_axis, cells_per_axis, cells_per_axis).length(); - - float dist = 1.0; - // self occlusion in flat surfaces - - float alpha = 0; - - while (dist < max_dist && alpha < 0.95) { - -#if 0 - // smallest sample diameter possible is the voxel size - float diameter = MAX(1.0, 2.0 * tha * dist); - float lod = log2(diameter); - - Vector3 sample_pos = from + dist * dir; - - - Color samples_base[2][8]={{Color(0,0,0,0),Color(0,0,0,0),Color(0,0,0,0),Color(0,0,0,0),Color(0,0,0,0),Color(0,0,0,0),Color(0,0,0,0),Color(0,0,0,0)}, - {Color(0,0,0,0),Color(0,0,0,0),Color(0,0,0,0),Color(0,0,0,0),Color(0,0,0,0),Color(0,0,0,0),Color(0,0,0,0),Color(0,0,0,0)}}; - - float levelf = Math::fposmod(lod,1.0); - float fx = Math::fposmod(sample_pos.x,1.0); - float fy = Math::fposmod(sample_pos.y,1.0); - float fz = Math::fposmod(sample_pos.z,1.0); - - for(int l=0;l<2;l++){ - - int bx = Math::floor(sample_pos.x); - int by = Math::floor(sample_pos.y); - int bz = Math::floor(sample_pos.z); - - int lodn=int(Math::floor(lod))-l; - - bx>>=lodn; - by>>=lodn; - bz>>=lodn; - - int limit = MAX(0,cell_subdiv-lodn-1); - - for(int c=0;c<8;c++) { - - int x = bx; - int y = by; - int z = bz; - - if (c&1) { - x+=1; - } - if (c&2) { - y+=1; - } - if (c&4) { - z+=1; - } - - int ofs_x=0; - int ofs_y=0; - int ofs_z=0; - int size = cells_per_axis>>lodn; - int half=size/2; - - bool outside=x<0 || x>=size || y<0 || y>=size || z<0 || z>=size; - - if (outside) - continue; - - - uint32_t cell=0; - - for(int i=0;i<limit;i++) { - - BakeCell *bc = &bake_cells_write[cell]; - - int child = 0; - if (x >= ofs_x + half) { - child|=1; - ofs_x+=half; - } - if (y >= ofs_y + half) { - child|=2; - ofs_y+=half; - } - if (z >= ofs_z + half) { - child|=4; - ofs_z+=half; - } - - cell = bc->childs[child]; - if (cell==CHILD_EMPTY) - break; - - half>>=1; - } - - if (cell!=CHILD_EMPTY) { - - samples_base[l][c].r=bake_cells_write[cell].light[0]; - samples_base[l][c].g=bake_cells_write[cell].light[1]; - samples_base[l][c].b=bake_cells_write[cell].light[2]; - samples_base[l][c].a=bake_cells_write[cell].alpha; - } - - } - - - } - - Color m0x0 = samples_base[0][0].linear_interpolate(samples_base[0][1],fx); - Color m0x1 = samples_base[0][2].linear_interpolate(samples_base[0][3],fx); - Color m0y0 = m0x0.linear_interpolate(m0x1,fy); - m0x0 = samples_base[0][4].linear_interpolate(samples_base[0][5],fx); - m0x1 = samples_base[0][6].linear_interpolate(samples_base[0][7],fx); - Color m0y1 = m0x0.linear_interpolate(m0x1,fy); - Color m0z = m0y0.linear_interpolate(m0y1,fz); - - Color m1x0 = samples_base[1][0].linear_interpolate(samples_base[1][1],fx); - Color m1x1 = samples_base[1][2].linear_interpolate(samples_base[1][3],fx); - Color m1y0 = m1x0.linear_interpolate(m1x1,fy); - m1x0 = samples_base[1][4].linear_interpolate(samples_base[1][5],fx); - m1x1 = samples_base[1][6].linear_interpolate(samples_base[1][7],fx); - Color m1y1 = m1x0.linear_interpolate(m1x1,fy); - Color m1z = m1y0.linear_interpolate(m1y1,fz); - - Color m = m0z.linear_interpolate(m1z,levelf); -#else - float diameter = 1.0; - Vector3 sample_pos = from + dist * dir; - - Color m(0, 0, 0, 0); - { - int x = Math::floor(sample_pos.x); - int y = Math::floor(sample_pos.y); - int z = Math::floor(sample_pos.z); - - int ofs_x = 0; - int ofs_y = 0; - int ofs_z = 0; - int size = cells_per_axis; - int half = size / 2; - - bool outside = x < 0 || x >= size || y < 0 || y >= size || z < 0 || z >= size; - - if (!outside) { - - uint32_t cell = 0; - - for (int i = 0; i < cell_subdiv - 1; i++) { - - BakeCell *bc = &bake_cells_write[cell]; - - int child = 0; - if (x >= ofs_x + half) { - child |= 1; - ofs_x += half; - } - if (y >= ofs_y + half) { - child |= 2; - ofs_y += half; - } - if (z >= ofs_z + half) { - child |= 4; - ofs_z += half; - } - - cell = bc->childs[child]; - if (cell == CHILD_EMPTY) - break; - - half >>= 1; - } - - if (cell != CHILD_EMPTY) { - - m.r = bake_cells_write[cell].light[0]; - m.g = bake_cells_write[cell].light[1]; - m.b = bake_cells_write[cell].light[2]; - m.a = bake_cells_write[cell].alpha; - } - } - } - -#endif - // front-to-back compositing - float a = (1.0 - alpha); - color.r += a * m.r; - color.g += a * m.g; - color.b += a * m.b; - alpha += a * m.a; - //occlusion += a * voxelColor.a; - //occlusion += (a * voxelColor.a) / (1.0 + 0.03 * diameter); - dist += diameter * 0.5; // smoother - //dist += diameter; // faster but misses more voxels - } - - return color; -} - -void BakedLight::_bake_radiance(int p_idx, int p_level, int p_x, int p_y, int p_z) { - - if (p_level == cell_subdiv - 1) { - - const int NUM_CONES = 6; - Vector3 cone_directions[6] = { - Vector3(1, 0, 0), - Vector3(0.5, 0.866025, 0), - Vector3(0.5, 0.267617, 0.823639), - Vector3(0.5, -0.700629, 0.509037), - Vector3(0.5, -0.700629, -0.509037), - Vector3(0.5, 0.267617, -0.823639) - }; - float coneWeights[6] = { 0.25, 0.15, 0.15, 0.15, 0.15, 0.15 }; - - Vector3 pos = (Vector3(p_x, p_y, p_z) / float(cells_per_axis)) * bounds.size + bounds.pos; - Vector3 voxel_size = bounds.size / float(cells_per_axis); - pos += voxel_size * 0.5; - - Color accum; - - bake_cells_write[p_idx].light[0] = 0; - bake_cells_write[p_idx].light[1] = 0; - bake_cells_write[p_idx].light[2] = 0; - - int freepix = 0; - for (int i = 0; i < 6; i++) { - - if (!(bake_cells_write[p_idx].used_sides & (1 << i))) - continue; - - if ((i & 1) == 0) - bake_cells_write[p_idx].light[i / 2] = 1.0; - freepix++; - continue; - - int ofs = i / 2; - - Vector3 dir; - if ((i & 1) == 0) - dir[ofs] = 1.0; - else - dir[ofs] = -1.0; - - for (int j = 0; j < 1; j++) { - - Vector3 cone_dir; - cone_dir.x = cone_directions[j][(ofs + 0) % 3]; - cone_dir.y = cone_directions[j][(ofs + 1) % 3]; - cone_dir.z = cone_directions[j][(ofs + 2) % 3]; - - cone_dir[ofs] *= dir[ofs]; - - Color res = _cone_trace(pos + dir * voxel_size, cone_dir, Math::deg2rad(29.9849)); - accum.r += res.r; //*coneWeights[j]; - accum.g += res.g; //*coneWeights[j]; - accum.b += res.b; //*coneWeights[j]; - } - } -#if 0 - if (freepix==0) { - bake_cells_write[p_idx].light[0]=0; - bake_cells_write[p_idx].light[1]=0; - bake_cells_write[p_idx].light[2]=0; - } - - if (freepix==1) { - bake_cells_write[p_idx].light[0]=1; - bake_cells_write[p_idx].light[1]=0; - bake_cells_write[p_idx].light[2]=0; - } - - if (freepix==2) { - bake_cells_write[p_idx].light[0]=0; - bake_cells_write[p_idx].light[1]=1; - bake_cells_write[p_idx].light[2]=0; - } - - if (freepix==3) { - bake_cells_write[p_idx].light[0]=1; - bake_cells_write[p_idx].light[1]=1; - bake_cells_write[p_idx].light[2]=0; - } - - if (freepix==4) { - bake_cells_write[p_idx].light[0]=0; - bake_cells_write[p_idx].light[1]=0; - bake_cells_write[p_idx].light[2]=1; - } - - if (freepix==5) { - bake_cells_write[p_idx].light[0]=1; - bake_cells_write[p_idx].light[1]=0; - bake_cells_write[p_idx].light[2]=1; - } - - if (freepix==6) { - bake_cells_write[p_idx].light[0]=0; - bake_cells_write[p_idx].light[0]=1; - bake_cells_write[p_idx].light[0]=1; - } -#endif - //bake_cells_write[p_idx].radiance[0]=accum.r; - //bake_cells_write[p_idx].radiance[1]=accum.g; - //bake_cells_write[p_idx].radiance[2]=accum.b; - - } else { - - int half = cells_per_axis >> (p_level + 1); - - //go down - for (int i = 0; i < 8; i++) { - - uint32_t child = bake_cells_write[p_idx].childs[i]; - - if (child == CHILD_EMPTY) - continue; - - int nx = p_x; - int ny = p_y; - int nz = p_z; - - if (i & 1) - nx += half; - if (i & 2) - ny += half; - if (i & 4) - nz += half; - - _bake_radiance(child, p_level + 1, nx, ny, nz); - } - } -} - -void BakedLight::bake_radiance() { - - ERR_FAIL_COND(bake_cells.size() == 0); - - bake_cells_write = bake_cells.write(); - - _bake_radiance(0, 0, 0, 0, 0); - - bake_cells_write = PoolVector<BakeCell>::Write(); -} -int BakedLight::_find_cell(int x, int y, int z) { - - uint32_t cell = 0; - - int ofs_x = 0; - int ofs_y = 0; - int ofs_z = 0; - int size = cells_per_axis; - int half = size / 2; - - if (x < 0 || x >= size) - return -1; - if (y < 0 || y >= size) - return -1; - if (z < 0 || z >= size) - return -1; - - for (int i = 0; i < cell_subdiv - 1; i++) { - - BakeCell *bc = &bake_cells_write[cell]; - - int child = 0; - if (x >= ofs_x + half) { - child |= 1; - ofs_x += half; - } - if (y >= ofs_y + half) { - child |= 2; - ofs_y += half; - } - if (z >= ofs_z + half) { - child |= 4; - ofs_z += half; - } - - cell = bc->childs[child]; - if (cell == CHILD_EMPTY) - return -1; - - half >>= 1; - } - - return cell; -} - -int BakedLight::_plot_ray(const Vector3 &p_from, const Vector3 &p_to) { - - Vector3 from = (p_from - bounds.pos) / bounds.size; - Vector3 to = (p_to - bounds.pos) / bounds.size; - - int x1 = Math::floor(from.x * cells_per_axis); - int y1 = Math::floor(from.y * cells_per_axis); - int z1 = Math::floor(from.z * cells_per_axis); - - int x2 = Math::floor(to.x * cells_per_axis); - int y2 = Math::floor(to.y * cells_per_axis); - int z2 = Math::floor(to.z * cells_per_axis); - - int i, dx, dy, dz, l, m, n, x_inc, y_inc, z_inc, err_1, err_2, dx2, dy2, dz2; - int point[3]; - - point[0] = x1; - point[1] = y1; - point[2] = z1; - dx = x2 - x1; - dy = y2 - y1; - dz = z2 - z1; - x_inc = (dx < 0) ? -1 : 1; - l = ABS(dx); - y_inc = (dy < 0) ? -1 : 1; - m = ABS(dy); - z_inc = (dz < 0) ? -1 : 1; - n = ABS(dz); - dx2 = l << 1; - dy2 = m << 1; - dz2 = n << 1; - - if ((l >= m) && (l >= n)) { - err_1 = dy2 - l; - err_2 = dz2 - l; - for (i = 0; i < l; i++) { - int cell = _find_cell(point[0], point[1], point[2]); - if (cell >= 0) - return cell; - - if (err_1 > 0) { - point[1] += y_inc; - err_1 -= dx2; - } - if (err_2 > 0) { - point[2] += z_inc; - err_2 -= dx2; - } - err_1 += dy2; - err_2 += dz2; - point[0] += x_inc; - } - } else if ((m >= l) && (m >= n)) { - err_1 = dx2 - m; - err_2 = dz2 - m; - for (i = 0; i < m; i++) { - int cell = _find_cell(point[0], point[1], point[2]); - if (cell >= 0) - return cell; - if (err_1 > 0) { - point[0] += x_inc; - err_1 -= dy2; - } - if (err_2 > 0) { - point[2] += z_inc; - err_2 -= dy2; - } - err_1 += dx2; - err_2 += dz2; - point[1] += y_inc; - } - } else { - err_1 = dy2 - n; - err_2 = dx2 - n; - for (i = 0; i < n; i++) { - int cell = _find_cell(point[0], point[1], point[2]); - if (cell >= 0) - return cell; - - if (err_1 > 0) { - point[1] += y_inc; - err_1 -= dz2; - } - if (err_2 > 0) { - point[0] += x_inc; - err_2 -= dz2; - } - err_1 += dy2; - err_2 += dx2; - point[2] += z_inc; - } - } - return _find_cell(point[0], point[1], point[2]); -} - -void BakedLight::set_cell_subdiv(int p_subdiv) { - - cell_subdiv = p_subdiv; - - //VS::get_singleton()->baked_light_set_subdivision(baked_light,p_subdiv); -} - -int BakedLight::get_cell_subdiv() const { - - return cell_subdiv; -} - -Rect3 BakedLight::get_aabb() const { - - return Rect3(Vector3(0, 0, 0), Vector3(1, 1, 1)); -} -PoolVector<Face3> BakedLight::get_faces(uint32_t p_usage_flags) const { - - return PoolVector<Face3>(); -} - -String BakedLight::get_configuration_warning() const { - return String(); -} - -void BakedLight::_debug_mesh(int p_idx, int p_level, const Rect3 &p_aabb, DebugMode p_mode, Ref<MultiMesh> &p_multimesh, int &idx) { - - if (p_level == cell_subdiv - 1) { - - Vector3 center = p_aabb.pos + p_aabb.size * 0.5; - Transform xform; - xform.origin = center; - xform.basis.scale(p_aabb.size * 0.5); - p_multimesh->set_instance_transform(idx, xform); - Color col; - switch (p_mode) { - case DEBUG_ALBEDO: { - col = Color(bake_cells_write[p_idx].albedo[0], bake_cells_write[p_idx].albedo[1], bake_cells_write[p_idx].albedo[2]); - } break; - case DEBUG_LIGHT: { - col = Color(bake_cells_write[p_idx].light[0], bake_cells_write[p_idx].light[1], bake_cells_write[p_idx].light[2]); - Color colr = Color(bake_cells_write[p_idx].radiance[0], bake_cells_write[p_idx].radiance[1], bake_cells_write[p_idx].radiance[2]); - col.r += colr.r; - col.g += colr.g; - col.b += colr.b; - } break; - } - p_multimesh->set_instance_color(idx, col); - - idx++; - - } else { - - for (int i = 0; i < 8; i++) { - - if (bake_cells_write[p_idx].childs[i] == CHILD_EMPTY) - continue; - - Rect3 aabb = p_aabb; - aabb.size *= 0.5; - - if (i & 1) - aabb.pos.x += aabb.size.x; - if (i & 2) - aabb.pos.y += aabb.size.y; - if (i & 4) - aabb.pos.z += aabb.size.z; - - _debug_mesh(bake_cells_write[p_idx].childs[i], p_level + 1, aabb, p_mode, p_multimesh, idx); - } - } -} - -void BakedLight::create_debug_mesh(DebugMode p_mode) { - - Ref<MultiMesh> mm; - mm.instance(); - - mm->set_transform_format(MultiMesh::TRANSFORM_3D); - mm->set_color_format(MultiMesh::COLOR_8BIT); - mm->set_instance_count(bake_cells_level_used[cell_subdiv - 1]); - - Ref<Mesh> mesh; - mesh.instance(); - - { - Array arr; - arr.resize(Mesh::ARRAY_MAX); - - PoolVector<Vector3> vertices; - PoolVector<Color> colors; - - int vtx_idx = 0; -#define ADD_VTX(m_idx) \ - ; \ - vertices.push_back(face_points[m_idx]); \ - colors.push_back(Color(1, 1, 1, 1)); \ - vtx_idx++; - - for (int i = 0; i < 6; i++) { - - Vector3 face_points[4]; - - for (int j = 0; j < 4; j++) { - - float v[3]; - v[0] = 1.0; - v[1] = 1 - 2 * ((j >> 1) & 1); - v[2] = v[1] * (1 - 2 * (j & 1)); - - for (int k = 0; k < 3; k++) { - - if (i < 3) - face_points[j][(i + k) % 3] = v[k] * (i >= 3 ? -1 : 1); - else - face_points[3 - j][(i + k) % 3] = v[k] * (i >= 3 ? -1 : 1); - } - } - - //tri 1 - ADD_VTX(0); - ADD_VTX(1); - ADD_VTX(2); - //tri 2 - ADD_VTX(2); - ADD_VTX(3); - ADD_VTX(0); - } - - arr[Mesh::ARRAY_VERTEX] = vertices; - arr[Mesh::ARRAY_COLOR] = colors; - mesh->add_surface_from_arrays(Mesh::PRIMITIVE_TRIANGLES, arr); - } - - { - Ref<SpatialMaterial> fsm; - fsm.instance(); - fsm->set_flag(SpatialMaterial::FLAG_SRGB_VERTEX_COLOR, true); - fsm->set_flag(SpatialMaterial::FLAG_ALBEDO_FROM_VERTEX_COLOR, true); - fsm->set_flag(SpatialMaterial::FLAG_UNSHADED, true); - fsm->set_albedo(Color(1, 1, 1, 1)); - - mesh->surface_set_material(0, fsm); - } - - mm->set_mesh(mesh); - - bake_cells_write = bake_cells.write(); - - int idx = 0; - _debug_mesh(0, 0, bounds, p_mode, mm, idx); - - print_line("written: " + itos(idx) + " total: " + itos(bake_cells_level_used[cell_subdiv - 1])); - - MultiMeshInstance *mmi = memnew(MultiMeshInstance); - mmi->set_multimesh(mm); - add_child(mmi); -#ifdef TOOLS_ENABLED - if (get_tree()->get_edited_scene_root() == this) { - mmi->set_owner(this); - } else { - mmi->set_owner(get_owner()); - } -#else - mmi->set_owner(get_owner()); -#endif -} - -void BakedLight::_debug_mesh_albedo() { - create_debug_mesh(DEBUG_ALBEDO); -} - -void BakedLight::_debug_mesh_light() { - create_debug_mesh(DEBUG_LIGHT); -} - -void BakedLight::_bind_methods() { - - ClassDB::bind_method(D_METHOD("set_cell_subdiv", "steps"), &BakedLight::set_cell_subdiv); - ClassDB::bind_method(D_METHOD("get_cell_subdiv"), &BakedLight::get_cell_subdiv); - - ClassDB::bind_method(D_METHOD("bake"), &BakedLight::bake); - ClassDB::set_method_flags(get_class_static(), _scs_create("bake"), METHOD_FLAGS_DEFAULT | METHOD_FLAG_EDITOR); - - ClassDB::bind_method(D_METHOD("bake_lights"), &BakedLight::bake_lights); - ClassDB::set_method_flags(get_class_static(), _scs_create("bake_lights"), METHOD_FLAGS_DEFAULT | METHOD_FLAG_EDITOR); - - ClassDB::bind_method(D_METHOD("bake_radiance"), &BakedLight::bake_radiance); - ClassDB::set_method_flags(get_class_static(), _scs_create("bake_radiance"), METHOD_FLAGS_DEFAULT | METHOD_FLAG_EDITOR); - - ClassDB::bind_method(D_METHOD("debug_mesh_albedo"), &BakedLight::_debug_mesh_albedo); - ClassDB::set_method_flags(get_class_static(), _scs_create("debug_mesh_albedo"), METHOD_FLAGS_DEFAULT | METHOD_FLAG_EDITOR); - - ClassDB::bind_method(D_METHOD("debug_mesh_light"), &BakedLight::_debug_mesh_light); - ClassDB::set_method_flags(get_class_static(), _scs_create("debug_mesh_light"), METHOD_FLAGS_DEFAULT | METHOD_FLAG_EDITOR); - - ADD_PROPERTY(PropertyInfo(Variant::INT, "cell_subdiv"), "set_cell_subdiv", "get_cell_subdiv"); - ADD_SIGNAL(MethodInfo("baked_light_changed")); -} - -BakedLight::BakedLight() { - - //baked_light=VisualServer::get_singleton()->baked_light_create(); - VS::get_singleton()->instance_set_base(get_instance(), baked_light); - - cell_subdiv = 8; - bake_texture_size = 128; - color_scan_cell_width = 8; - light_pass = 0; -} - -BakedLight::~BakedLight() { - - VS::get_singleton()->free(baked_light); -} - -///////////////////////// - -#if 0 -void BakedLightSampler::set_param(Param p_param,float p_value) { - ERR_FAIL_INDEX(p_param,PARAM_MAX); - params[p_param]=p_value; - VS::get_singleton()->baked_light_sampler_set_param(base,VS::BakedLightSamplerParam(p_param),p_value); -} - -float BakedLightSampler::get_param(Param p_param) const{ - - ERR_FAIL_INDEX_V(p_param,PARAM_MAX,0); - return params[p_param]; - -} - -void BakedLightSampler::set_resolution(int p_resolution){ - - ERR_FAIL_COND(p_resolution<4 || p_resolution>32); - resolution=p_resolution; - VS::get_singleton()->baked_light_sampler_set_resolution(base,resolution); -} -int BakedLightSampler::get_resolution() const { - - return resolution; -} - -AABB BakedLightSampler::get_aabb() const { - - float r = get_param(PARAM_RADIUS); - return AABB( Vector3(-r,-r,-r),Vector3(r*2,r*2,r*2)); -} -DVector<Face3> BakedLightSampler::get_faces(uint32_t p_usage_flags) const { - return DVector<Face3>(); -} - -void BakedLightSampler::_bind_methods() { - - ClassDB::bind_method(D_METHOD("set_param","param","value"),&BakedLightSampler::set_param); - ClassDB::bind_method(D_METHOD("get_param","param"),&BakedLightSampler::get_param); - - ClassDB::bind_method(D_METHOD("set_resolution","resolution"),&BakedLightSampler::set_resolution); - ClassDB::bind_method(D_METHOD("get_resolution"),&BakedLightSampler::get_resolution); - - - BIND_CONSTANT( PARAM_RADIUS ); - BIND_CONSTANT( PARAM_STRENGTH ); - BIND_CONSTANT( PARAM_ATTENUATION ); - BIND_CONSTANT( PARAM_DETAIL_RATIO ); - BIND_CONSTANT( PARAM_MAX ); - - ADD_PROPERTYI( PropertyInfo(Variant::REAL,"params/radius",PROPERTY_HINT_RANGE,"0.01,1024,0.01"),"set_param","get_param",PARAM_RADIUS); - ADD_PROPERTYI( PropertyInfo(Variant::REAL,"params/strength",PROPERTY_HINT_RANGE,"0.01,16,0.01"),"set_param","get_param",PARAM_STRENGTH); - ADD_PROPERTYI( PropertyInfo(Variant::REAL,"params/attenuation",PROPERTY_HINT_EXP_EASING),"set_param","get_param",PARAM_ATTENUATION); - ADD_PROPERTYI( PropertyInfo(Variant::REAL,"params/detail_ratio",PROPERTY_HINT_RANGE,"0.01,1.0,0.01"),"set_param","get_param",PARAM_DETAIL_RATIO); - //ADD_PROPERTYI( PropertyInfo(Variant::REAL,"params/detail_ratio",PROPERTY_HINT_RANGE,"0,20,1"),"set_param","get_param",PARAM_DETAIL_RATIO); - ADD_PROPERTY( PropertyInfo(Variant::REAL,"params/resolution",PROPERTY_HINT_RANGE,"4,32,1"),"set_resolution","get_resolution"); - -} - -BakedLightSampler::BakedLightSampler() { - - base = VS::get_singleton()->baked_light_sampler_create(); - set_base(base); - - params[PARAM_RADIUS]=1.0; - params[PARAM_STRENGTH]=1.0; - params[PARAM_ATTENUATION]=1.0; - params[PARAM_DETAIL_RATIO]=0.1; - resolution=16; - - -} - -BakedLightSampler::~BakedLightSampler(){ - - VS::get_singleton()->free(base); -} -#endif diff --git a/scene/3d/baked_light_instance.h b/scene/3d/baked_light_instance.h deleted file mode 100644 index 63a5fa7255..0000000000 --- a/scene/3d/baked_light_instance.h +++ /dev/null @@ -1,199 +0,0 @@ -/*************************************************************************/ -/* baked_light_instance.h */ -/*************************************************************************/ -/* This file is part of: */ -/* GODOT ENGINE */ -/* http://www.godotengine.org */ -/*************************************************************************/ -/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */ -/* */ -/* Permission is hereby granted, free of charge, to any person obtaining */ -/* a copy of this software and associated documentation files (the */ -/* "Software"), to deal in the Software without restriction, including */ -/* without limitation the rights to use, copy, modify, merge, publish, */ -/* distribute, sublicense, and/or sell copies of the Software, and to */ -/* permit persons to whom the Software is furnished to do so, subject to */ -/* the following conditions: */ -/* */ -/* The above copyright notice and this permission notice shall be */ -/* included in all copies or substantial portions of the Software. */ -/* */ -/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ -/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ -/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ -/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ -/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ -/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ -/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ -/*************************************************************************/ -#ifndef BAKED_LIGHT_INSTANCE_H -#define BAKED_LIGHT_INSTANCE_H - -#include "scene/3d/multimesh_instance.h" -#include "scene/3d/visual_instance.h" -#include "scene/resources/baked_light.h" - -class BakedLightBaker; -class Light; - -class BakedLight : public VisualInstance { - GDCLASS(BakedLight, VisualInstance); - -public: - enum DebugMode { - DEBUG_ALBEDO, - DEBUG_LIGHT - }; - -private: - RID baked_light; - int cell_subdiv; - Rect3 bounds; - int cells_per_axis; - - enum { - CHILD_EMPTY = 0xFFFFFFFF, - }; - - /* BAKE DATA */ - - struct BakeCell { - - uint32_t childs[8]; - float albedo[3]; //albedo in RGB24 - float light[3]; //accumulated light in 16:16 fixed point (needs to be integer for moving lights fast) - float radiance[3]; //accumulated light in 16:16 fixed point (needs to be integer for moving lights fast) - uint32_t used_sides; - float alpha; //used for upsampling - uint32_t light_pass; //used for baking light - - BakeCell() { - for (int i = 0; i < 8; i++) { - childs[i] = 0xFFFFFFFF; - } - - for (int i = 0; i < 3; i++) { - light[i] = 0; - albedo[i] = 0; - radiance[i] = 0; - } - alpha = 0; - light_pass = 0; - used_sides = 0; - } - }; - - int bake_texture_size; - int color_scan_cell_width; - - struct MaterialCache { - //128x128 textures - Vector<Color> albedo; - Vector<Color> emission; - }; - - Vector<Color> _get_bake_texture(Image &p_image, const Color &p_color); - - Map<Ref<Material>, MaterialCache> material_cache; - MaterialCache _get_material_cache(Ref<Material> p_material); - - int bake_cells_alloc; - int bake_cells_used; - int zero_alphas; - Vector<int> bake_cells_level_used; - PoolVector<BakeCell> bake_cells; - PoolVector<BakeCell>::Write bake_cells_write; - - void _plot_face(int p_idx, int p_level, const Vector3 *p_vtx, const Vector2 *p_uv, const MaterialCache &p_material, const Rect3 &p_aabb); - void _fixup_plot(int p_idx, int p_level, int p_x, int p_y, int p_z); - void _bake_add_mesh(const Transform &p_xform, Ref<Mesh> &p_mesh); - void _bake_add_to_aabb(const Transform &p_xform, Ref<Mesh> &p_mesh, bool &first); - - void _debug_mesh(int p_idx, int p_level, const Rect3 &p_aabb, DebugMode p_mode, Ref<MultiMesh> &p_multimesh, int &idx); - void _debug_mesh_albedo(); - void _debug_mesh_light(); - - _FORCE_INLINE_ int _find_cell(int x, int y, int z); - int _plot_ray(const Vector3 &p_from, const Vector3 &p_to); - - uint32_t light_pass; - - void _bake_directional(int p_idx, int p_level, int p_x, int p_y, int p_z, const Vector3 &p_dir, const Color &p_color, int p_sign); - void _upscale_light(int p_idx, int p_level); - void _bake_light(Light *p_light); - - Color _cone_trace(const Vector3 &p_from, const Vector3 &p_dir, float p_half_angle); - void _bake_radiance(int p_idx, int p_level, int p_x, int p_y, int p_z); - - friend class GeometryInstance; - - Set<GeometryInstance *> geometries; - friend class Light; - - Set<Light *> lights; - -protected: - static void _bind_methods(); - -public: - void set_cell_subdiv(int p_subdiv); - int get_cell_subdiv() const; - - void bake(); - void bake_lights(); - void bake_radiance(); - - void create_debug_mesh(DebugMode p_mode); - - virtual Rect3 get_aabb() const; - virtual PoolVector<Face3> get_faces(uint32_t p_usage_flags) const; - - String get_configuration_warning() const; - - BakedLight(); - ~BakedLight(); -}; - -#if 0 -class BakedLightSampler : public VisualInstance { - GDCLASS(BakedLightSampler,VisualInstance); - - -public: - - enum Param { - PARAM_RADIUS=VS::BAKED_LIGHT_SAMPLER_RADIUS, - PARAM_STRENGTH=VS::BAKED_LIGHT_SAMPLER_STRENGTH, - PARAM_ATTENUATION=VS::BAKED_LIGHT_SAMPLER_ATTENUATION, - PARAM_DETAIL_RATIO=VS::BAKED_LIGHT_SAMPLER_DETAIL_RATIO, - PARAM_MAX=VS::BAKED_LIGHT_SAMPLER_MAX - }; - - - -protected: - - RID base; - float params[PARAM_MAX]; - int resolution; - static void _bind_methods(); -public: - - virtual AABB get_aabb() const; - virtual PoolVector<Face3> get_faces(uint32_t p_usage_flags) const; - - void set_param(Param p_param,float p_value); - float get_param(Param p_param) const; - - void set_resolution(int p_resolution); - int get_resolution() const; - - BakedLightSampler(); - ~BakedLightSampler(); -}; - -VARIANT_ENUM_CAST( BakedLightSampler::Param ); - -#endif -#endif // BAKED_LIGHT_H diff --git a/scene/3d/gi_probe.cpp b/scene/3d/gi_probe.cpp index 7370e1330c..96311236ef 100644 --- a/scene/3d/gi_probe.cpp +++ b/scene/3d/gi_probe.cpp @@ -881,11 +881,11 @@ void GIProbe::_fixup_plot(int p_idx, int p_level, int p_x, int p_y, int p_z, Bak } } -Vector<Color> GIProbe::_get_bake_texture(Image &p_image, const Color &p_color) { +Vector<Color> GIProbe::_get_bake_texture(Ref<Image> p_image, const Color &p_color) { Vector<Color> ret; - if (p_image.empty()) { + if (p_image.is_null()) { ret.resize(bake_texture_size * bake_texture_size); for (int i = 0; i < bake_texture_size * bake_texture_size; i++) { @@ -895,14 +895,14 @@ Vector<Color> GIProbe::_get_bake_texture(Image &p_image, const Color &p_color) { return ret; } - if (p_image.is_compressed()) { + if (p_image->is_compressed()) { print_line("DECOMPRESSING!!!!"); - p_image.decompress(); + p_image->decompress(); } - p_image.convert(Image::FORMAT_RGBA8); - p_image.resize(bake_texture_size, bake_texture_size, Image::INTERPOLATE_CUBIC); + p_image->convert(Image::FORMAT_RGBA8); + p_image->resize(bake_texture_size, bake_texture_size, Image::INTERPOLATE_CUBIC); - PoolVector<uint8_t>::Read r = p_image.get_data().read(); + PoolVector<uint8_t>::Read r = p_image->get_data().read(); ret.resize(bake_texture_size * bake_texture_size); for (int i = 0; i < bake_texture_size * bake_texture_size; i++) { @@ -934,7 +934,7 @@ GIProbe::Baker::MaterialCache GIProbe::_get_material_cache(Ref<Material> p_mater Ref<Texture> albedo_tex = mat->get_texture(SpatialMaterial::TEXTURE_ALBEDO); - Image img_albedo; + Ref<Image> img_albedo; if (albedo_tex.is_valid()) { img_albedo = albedo_tex->get_data(); @@ -950,7 +950,7 @@ GIProbe::Baker::MaterialCache GIProbe::_get_material_cache(Ref<Material> p_mater emission_col.g *= mat->get_emission_energy(); emission_col.b *= mat->get_emission_energy(); - Image img_emission; + Ref<Image> img_emission; if (emission_tex.is_valid()) { @@ -960,7 +960,7 @@ GIProbe::Baker::MaterialCache GIProbe::_get_material_cache(Ref<Material> p_mater mc.emission = _get_bake_texture(img_emission, emission_col); } else { - Image empty; + Ref<Image> empty; mc.albedo = _get_bake_texture(empty, Color(0.7, 0.7, 0.7)); mc.emission = _get_bake_texture(empty, Color(0, 0, 0)); diff --git a/scene/3d/gi_probe.h b/scene/3d/gi_probe.h index ae89a6f068..3b05d9952b 100644 --- a/scene/3d/gi_probe.h +++ b/scene/3d/gi_probe.h @@ -134,7 +134,7 @@ private: Vector<Color> emission; }; - Vector<Color> _get_bake_texture(Image &p_image, const Color &p_color); + Vector<Color> _get_bake_texture(Ref<Image> p_image, const Color &p_color); Map<Ref<Material>, MaterialCache> material_cache; MaterialCache _get_material_cache(Ref<Material> p_material); int leaf_voxel_count; @@ -170,7 +170,7 @@ private: int color_scan_cell_width; int bake_texture_size; - Vector<Color> _get_bake_texture(Image &p_image, const Color &p_color); + Vector<Color> _get_bake_texture(Ref<Image> p_image, const Color &p_color); Baker::MaterialCache _get_material_cache(Ref<Material> p_material, Baker *p_baker); void _plot_face(int p_idx, int p_level, int p_x, int p_y, int p_z, const Vector3 *p_vtx, const Vector2 *p_uv, const Baker::MaterialCache &p_material, const Rect3 &p_aabb, Baker *p_baker); void _plot_mesh(const Transform &p_xform, Ref<Mesh> &p_mesh, Baker *p_baker, const Vector<Ref<Material> > &p_materials, const Ref<Material> &p_override_material); diff --git a/scene/3d/light.cpp b/scene/3d/light.cpp index bb14ad5108..6ab65d3994 100644 --- a/scene/3d/light.cpp +++ b/scene/3d/light.cpp @@ -29,7 +29,6 @@ /*************************************************************************/ #include "light.h" -#include "baked_light_instance.h" #include "global_config.h" #include "scene/resources/surface_tool.h" @@ -166,26 +165,9 @@ void Light::_notification(int p_what) { if (p_what == NOTIFICATION_ENTER_TREE) { _update_visibility(); - - Node *node = this; - - while (node) { - - baked_light = node->cast_to<BakedLight>(); - if (baked_light) { - baked_light->lights.insert(this); - break; - } - - node = node->get_parent(); - } } if (p_what == NOTIFICATION_EXIT_TREE) { - - if (baked_light) { - baked_light->lights.erase(this); - } } } @@ -262,8 +244,6 @@ Light::Light(VisualServer::LightType p_type) { light = VisualServer::get_singleton()->light_create(p_type); VS::get_singleton()->instance_set_base(get_instance(), light); - baked_light = NULL; - editor_only = false; set_color(Color(1, 1, 1, 1)); set_shadow(false); diff --git a/scene/3d/light.h b/scene/3d/light.h index ed8758b09b..c02f9d12d3 100644 --- a/scene/3d/light.h +++ b/scene/3d/light.h @@ -75,7 +75,6 @@ private: bool editor_only; void _update_visibility(); - BakedLight *baked_light; // bind helpers protected: |