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-rw-r--r--scene/3d/gpu_particles_collision_3d.cpp161
1 files changed, 104 insertions, 57 deletions
diff --git a/scene/3d/gpu_particles_collision_3d.cpp b/scene/3d/gpu_particles_collision_3d.cpp
index 1fcd5160f6..d1f2dfb25f 100644
--- a/scene/3d/gpu_particles_collision_3d.cpp
+++ b/scene/3d/gpu_particles_collision_3d.cpp
@@ -1,32 +1,32 @@
-/*************************************************************************/
-/* gpu_particles_collision_3d.cpp */
-/*************************************************************************/
-/* This file is part of: */
-/* GODOT ENGINE */
-/* https://godotengine.org */
-/*************************************************************************/
-/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
-/* Copyright (c) 2014-2022 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. */
-/*************************************************************************/
+/**************************************************************************/
+/* gpu_particles_collision_3d.cpp */
+/**************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* https://godotengine.org */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
+/* */
+/* 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 "gpu_particles_collision_3d.h"
@@ -58,6 +58,7 @@ GPUParticlesCollision3D::GPUParticlesCollision3D(RS::ParticlesCollisionType p_ty
}
GPUParticlesCollision3D::~GPUParticlesCollision3D() {
+ ERR_FAIL_NULL(RenderingServer::get_singleton());
RS::get_singleton()->free(collision);
}
@@ -127,6 +128,10 @@ GPUParticlesCollisionBox3D::~GPUParticlesCollisionBox3D() {
void GPUParticlesCollisionSDF3D::_find_meshes(const AABB &p_aabb, Node *p_at_node, List<PlotMesh> &plot_meshes) {
MeshInstance3D *mi = Object::cast_to<MeshInstance3D>(p_at_node);
if (mi && mi->is_visible_in_tree()) {
+ if ((mi->get_layer_mask() & bake_mask) == 0) {
+ return;
+ }
+
Ref<Mesh> mesh = mi->get_mesh();
if (mesh.is_valid()) {
AABB aabb = mesh->get_aabb();
@@ -221,23 +226,23 @@ static _FORCE_INLINE_ real_t Vector3_dot2(const Vector3 &p_vec3) {
return p_vec3.dot(p_vec3);
}
-void GPUParticlesCollisionSDF3D::_find_closest_distance(const Vector3 &p_pos, const BVH *bvh, uint32_t p_bvh_cell, const Face3 *triangles, float thickness, float &closest_distance) {
+void GPUParticlesCollisionSDF3D::_find_closest_distance(const Vector3 &p_pos, const BVH *p_bvh, uint32_t p_bvh_cell, const Face3 *p_triangles, float p_thickness, float &r_closest_distance) {
if (p_bvh_cell & BVH::LEAF_BIT) {
p_bvh_cell &= BVH::LEAF_MASK; //remove bit
Vector3 point = p_pos;
- Plane p = triangles[p_bvh_cell].get_plane();
+ Plane p = p_triangles[p_bvh_cell].get_plane();
float d = p.distance_to(point);
float inside_d = 1e20;
- if (d < 0 && d > -thickness) {
+ if (d < 0 && d > -p_thickness) {
//inside planes, do this in 2D
- Vector3 x_axis = (triangles[p_bvh_cell].vertex[0] - triangles[p_bvh_cell].vertex[1]).normalized();
+ Vector3 x_axis = (p_triangles[p_bvh_cell].vertex[0] - p_triangles[p_bvh_cell].vertex[1]).normalized();
Vector3 y_axis = p.normal.cross(x_axis).normalized();
Vector2 points[3];
for (int i = 0; i < 3; i++) {
- points[i] = Vector2(x_axis.dot(triangles[p_bvh_cell].vertex[i]), y_axis.dot(triangles[p_bvh_cell].vertex[i]));
+ points[i] = Vector2(x_axis.dot(p_triangles[p_bvh_cell].vertex[i]), y_axis.dot(p_triangles[p_bvh_cell].vertex[i]));
}
Vector2 p2d = Vector2(x_axis.dot(point), y_axis.dot(point));
@@ -266,19 +271,19 @@ void GPUParticlesCollisionSDF3D::_find_closest_distance(const Vector3 &p_pos, co
//make sure distance to planes is not shorter if inside
if (inside_d < 0) {
inside_d = MAX(inside_d, d);
- inside_d = MAX(inside_d, -(thickness + d));
+ inside_d = MAX(inside_d, -(p_thickness + d));
}
- closest_distance = MIN(closest_distance, inside_d);
+ r_closest_distance = MIN(r_closest_distance, inside_d);
} else {
if (d < 0) {
- point -= p.normal * thickness; //flatten
+ point -= p.normal * p_thickness; //flatten
}
// https://iquilezles.org/www/articles/distfunctions/distfunctions.htm
- Vector3 a = triangles[p_bvh_cell].vertex[0];
- Vector3 b = triangles[p_bvh_cell].vertex[1];
- Vector3 c = triangles[p_bvh_cell].vertex[2];
+ Vector3 a = p_triangles[p_bvh_cell].vertex[0];
+ Vector3 b = p_triangles[p_bvh_cell].vertex[1];
+ Vector3 c = p_triangles[p_bvh_cell].vertex[2];
Vector3 ba = b - a;
Vector3 pa = point - a;
@@ -296,28 +301,28 @@ void GPUParticlesCollisionSDF3D::_find_closest_distance(const Vector3 &p_pos, co
Vector3_dot2(ac * CLAMP(ac.dot(pc) / Vector3_dot2(ac), 0.0, 1.0) - pc))
: nor.dot(pa) * nor.dot(pa) / Vector3_dot2(nor));
- closest_distance = MIN(closest_distance, inside_d);
+ r_closest_distance = MIN(r_closest_distance, inside_d);
}
} else {
bool pass = true;
- if (!bvh[p_bvh_cell].bounds.has_point(p_pos)) {
+ if (!p_bvh[p_bvh_cell].bounds.has_point(p_pos)) {
//outside, find closest point
- Vector3 he = bvh[p_bvh_cell].bounds.size * 0.5;
- Vector3 center = bvh[p_bvh_cell].bounds.position + he;
+ Vector3 he = p_bvh[p_bvh_cell].bounds.size * 0.5;
+ Vector3 center = p_bvh[p_bvh_cell].bounds.position + he;
Vector3 rel = (p_pos - center).abs();
Vector3 closest(MIN(rel.x, he.x), MIN(rel.y, he.y), MIN(rel.z, he.z));
float d = rel.distance_to(closest);
- if (d >= closest_distance) {
+ if (d >= r_closest_distance) {
pass = false; //already closer than this aabb, discard
}
}
if (pass) {
- _find_closest_distance(p_pos, bvh, bvh[p_bvh_cell].children[0], triangles, thickness, closest_distance);
- _find_closest_distance(p_pos, bvh, bvh[p_bvh_cell].children[1], triangles, thickness, closest_distance);
+ _find_closest_distance(p_pos, p_bvh, p_bvh[p_bvh_cell].children[0], p_triangles, p_thickness, r_closest_distance);
+ _find_closest_distance(p_pos, p_bvh, p_bvh[p_bvh_cell].children[1], p_triangles, p_thickness, r_closest_distance);
}
}
}
@@ -343,7 +348,9 @@ void GPUParticlesCollisionSDF3D::_compute_sdf(ComputeSDFParams *params) {
WorkerThreadPool::GroupID group_task = WorkerThreadPool::get_singleton()->add_template_group_task(this, &GPUParticlesCollisionSDF3D::_compute_sdf_z, params, params->size.z);
while (!WorkerThreadPool::get_singleton()->is_group_task_completed(group_task)) {
OS::get_singleton()->delay_usec(10000);
- bake_step_function(WorkerThreadPool::get_singleton()->get_group_processed_element_count(group_task) * 100 / params->size.z, "Baking SDF");
+ if (bake_step_function) {
+ bake_step_function(WorkerThreadPool::get_singleton()->get_group_processed_element_count(group_task) * 100 / params->size.z, "Baking SDF");
+ }
}
WorkerThreadPool::get_singleton()->wait_for_group_task_completion(group_task);
}
@@ -445,7 +452,7 @@ Ref<Image> GPUParticlesCollisionSDF3D::bake() {
//compute bvh
- ERR_FAIL_COND_V(faces.size() <= 1, Ref<Image>());
+ ERR_FAIL_COND_V_MSG(faces.size() <= 1, Ref<Image>(), "No faces detected during GPUParticlesCollisionSDF3D bake. Check whether there are visible meshes matching the bake mask within its extents.");
LocalVector<FacePos> face_pos;
@@ -469,15 +476,15 @@ Ref<Image> GPUParticlesCollisionSDF3D::bake() {
_create_bvh(bvh, face_pos.ptr(), face_pos.size(), faces.ptr(), th);
- Vector<uint8_t> data;
- data.resize(sdf_size.z * sdf_size.y * sdf_size.x * (int)sizeof(float));
+ Vector<uint8_t> cells_data;
+ cells_data.resize(sdf_size.z * sdf_size.y * sdf_size.x * (int)sizeof(float));
if (bake_step_function) {
bake_step_function(0, "Baking SDF");
}
ComputeSDFParams params;
- params.cells = (float *)data.ptrw();
+ params.cells = (float *)cells_data.ptrw();
params.size = sdf_size;
params.cell_size = cell_size;
params.cell_offset = aabb.position + Vector3(cell_size * 0.5, cell_size * 0.5, cell_size * 0.5);
@@ -486,9 +493,7 @@ Ref<Image> GPUParticlesCollisionSDF3D::bake() {
params.thickness = th;
_compute_sdf(&params);
- Ref<Image> ret;
- ret.instantiate();
- ret->create(sdf_size.x, sdf_size.y * sdf_size.z, false, Image::FORMAT_RF, data);
+ Ref<Image> ret = Image::create_from_data(sdf_size.x, sdf_size.y * sdf_size.z, false, Image::FORMAT_RF, cells_data);
ret->convert(Image::FORMAT_RH); //convert to half, save space
ret->set_meta("depth", sdf_size.z); //hack, make sure to add to the docs of this function
@@ -499,6 +504,16 @@ Ref<Image> GPUParticlesCollisionSDF3D::bake() {
return ret;
}
+PackedStringArray GPUParticlesCollisionSDF3D::get_configuration_warnings() const {
+ PackedStringArray warnings = Node::get_configuration_warnings();
+
+ if (bake_mask == 0) {
+ warnings.push_back(RTR("The Bake Mask has no bits enabled, which means baking will not produce any collision for this GPUParticlesCollisionSDF3D.\nTo resolve this, enable at least one bit in the Bake Mask property."));
+ }
+
+ return warnings;
+}
+
void GPUParticlesCollisionSDF3D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_extents", "extents"), &GPUParticlesCollisionSDF3D::set_extents);
ClassDB::bind_method(D_METHOD("get_extents"), &GPUParticlesCollisionSDF3D::get_extents);
@@ -512,9 +527,15 @@ void GPUParticlesCollisionSDF3D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_thickness", "thickness"), &GPUParticlesCollisionSDF3D::set_thickness);
ClassDB::bind_method(D_METHOD("get_thickness"), &GPUParticlesCollisionSDF3D::get_thickness);
+ ClassDB::bind_method(D_METHOD("set_bake_mask", "mask"), &GPUParticlesCollisionSDF3D::set_bake_mask);
+ ClassDB::bind_method(D_METHOD("get_bake_mask"), &GPUParticlesCollisionSDF3D::get_bake_mask);
+ ClassDB::bind_method(D_METHOD("set_bake_mask_value", "layer_number", "value"), &GPUParticlesCollisionSDF3D::set_bake_mask_value);
+ ClassDB::bind_method(D_METHOD("get_bake_mask_value", "layer_number"), &GPUParticlesCollisionSDF3D::get_bake_mask_value);
+
ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "extents", PROPERTY_HINT_RANGE, "0.01,1024,0.01,or_greater,suffix:m"), "set_extents", "get_extents");
- ADD_PROPERTY(PropertyInfo(Variant::INT, "resolution", PROPERTY_HINT_ENUM, "16,32,64,128,256,512,suffix:px"), "set_resolution", "get_resolution");
+ ADD_PROPERTY(PropertyInfo(Variant::INT, "resolution", PROPERTY_HINT_ENUM, "16,32,64,128,256,512"), "set_resolution", "get_resolution");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "thickness", PROPERTY_HINT_RANGE, "0.0,2.0,0.01,suffix:m"), "set_thickness", "get_thickness");
+ ADD_PROPERTY(PropertyInfo(Variant::INT, "bake_mask", PROPERTY_HINT_LAYERS_3D_RENDER), "set_bake_mask", "get_bake_mask");
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "texture", PROPERTY_HINT_RESOURCE_TYPE, "Texture3D"), "set_texture", "get_texture");
BIND_ENUM_CONSTANT(RESOLUTION_16);
@@ -553,6 +574,31 @@ GPUParticlesCollisionSDF3D::Resolution GPUParticlesCollisionSDF3D::get_resolutio
return resolution;
}
+void GPUParticlesCollisionSDF3D::set_bake_mask(uint32_t p_mask) {
+ bake_mask = p_mask;
+ update_configuration_warnings();
+}
+
+uint32_t GPUParticlesCollisionSDF3D::get_bake_mask() const {
+ return bake_mask;
+}
+
+void GPUParticlesCollisionSDF3D::set_bake_mask_value(int p_layer_number, bool p_value) {
+ ERR_FAIL_COND_MSG(p_layer_number < 1 || p_layer_number > 20, vformat("The render layer number (%d) must be between 1 and 20 (inclusive).", p_layer_number));
+ uint32_t mask = get_bake_mask();
+ if (p_value) {
+ mask |= 1 << (p_layer_number - 1);
+ } else {
+ mask &= ~(1 << (p_layer_number - 1));
+ }
+ set_bake_mask(mask);
+}
+
+bool GPUParticlesCollisionSDF3D::get_bake_mask_value(int p_layer_number) const {
+ ERR_FAIL_COND_V_MSG(p_layer_number < 1 || p_layer_number > 20, false, vformat("The render layer number (%d) must be between 1 and 20 (inclusive).", p_layer_number));
+ return bake_mask & (1 << (p_layer_number - 1));
+}
+
void GPUParticlesCollisionSDF3D::set_texture(const Ref<Texture3D> &p_texture) {
texture = p_texture;
RID tex = texture.is_valid() ? texture->get_rid() : RID();
@@ -762,7 +808,7 @@ void GPUParticlesAttractor3D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_directionality", "amount"), &GPUParticlesAttractor3D::set_directionality);
ClassDB::bind_method(D_METHOD("get_directionality"), &GPUParticlesAttractor3D::get_directionality);
- ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "strength", PROPERTY_HINT_RANGE, "-128,128,0.01,or_greater,or_lesser"), "set_strength", "get_strength");
+ ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "strength", PROPERTY_HINT_RANGE, "-128,128,0.01,or_greater,or_less"), "set_strength", "get_strength");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "attenuation", PROPERTY_HINT_EXP_EASING, "0,8,0.01"), "set_attenuation", "get_attenuation");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "directionality", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_directionality", "get_directionality");
ADD_PROPERTY(PropertyInfo(Variant::INT, "cull_mask", PROPERTY_HINT_LAYERS_3D_RENDER), "set_cull_mask", "get_cull_mask");
@@ -774,6 +820,7 @@ GPUParticlesAttractor3D::GPUParticlesAttractor3D(RS::ParticlesCollisionType p_ty
set_base(collision);
}
GPUParticlesAttractor3D::~GPUParticlesAttractor3D() {
+ ERR_FAIL_NULL(RenderingServer::get_singleton());
RS::get_singleton()->free(collision);
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-16 04:03:23 +0000