Added a PropMesher class. It's terraman's mesher, but cleaned up / customized.

This commit is contained in:
Relintai 2021-04-24 17:39:51 +02:00
parent 6f418a07d4
commit 8c088048d1
4 changed files with 1251 additions and 0 deletions

6
SCsub
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@ -10,6 +10,10 @@ if os.path.isdir('../mesh_data_resource'):
if os.path.isdir('../texture_packer'):
module_env.Append(CPPDEFINES=['TEXTURE_PACKER_PRESENT'])
if os.path.isdir('../terraman'):
module_env.Append(CPPDEFINES=['TERRAMAN_PRESENT'])
#ifdef
sources = [
"register_types.cpp",
@ -32,6 +36,8 @@ sources = [
"singleton/prop_utils.cpp",
"editor/prop_editor_plugin.cpp",
"prop_mesher.cpp",
]
if ARGUMENTS.get('custom_modules_shared', 'no') == 'yes':

998
prop_mesher.cpp Normal file
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@ -0,0 +1,998 @@
/*
Copyright (c) 2019-2021 Péter Magyar
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 "prop_mesher.h"
const String PropMesher::BINDING_STRING_BUILD_FLAGS = "Use Isolevel,Use Lighting,Use AO,Use RAO,Generate AO,Generate RAO,Bake Lights,Create Collider,Create Lods";
bool PropMesher::Vertex::operator==(const Vertex &p_vertex) const {
if (vertex != p_vertex.vertex)
return false;
if (uv != p_vertex.uv)
return false;
if (uv2 != p_vertex.uv2)
return false;
if (normal != p_vertex.normal)
return false;
if (binormal != p_vertex.binormal)
return false;
if (color != p_vertex.color)
return false;
if (bones.size() != p_vertex.bones.size())
return false;
for (int i = 0; i < bones.size(); i++) {
if (bones[i] != p_vertex.bones[i])
return false;
}
for (int i = 0; i < weights.size(); i++) {
if (weights[i] != p_vertex.weights[i])
return false;
}
return true;
}
uint32_t PropMesher::VertexHasher::hash(const Vertex &p_vtx) {
uint32_t h = hash_djb2_buffer((const uint8_t *)&p_vtx.vertex, sizeof(real_t) * 3);
h = hash_djb2_buffer((const uint8_t *)&p_vtx.normal, sizeof(real_t) * 3, h);
h = hash_djb2_buffer((const uint8_t *)&p_vtx.binormal, sizeof(real_t) * 3, h);
h = hash_djb2_buffer((const uint8_t *)&p_vtx.tangent, sizeof(real_t) * 3, h);
h = hash_djb2_buffer((const uint8_t *)&p_vtx.uv, sizeof(real_t) * 2, h);
h = hash_djb2_buffer((const uint8_t *)&p_vtx.uv2, sizeof(real_t) * 2, h);
h = hash_djb2_buffer((const uint8_t *)&p_vtx.color, sizeof(real_t) * 4, h);
h = hash_djb2_buffer((const uint8_t *)p_vtx.bones.ptr(), p_vtx.bones.size() * sizeof(int), h);
h = hash_djb2_buffer((const uint8_t *)p_vtx.weights.ptr(), p_vtx.weights.size() * sizeof(float), h);
return h;
}
int PropMesher::get_channel_index_type() const {
return _channel_index_type;
}
void PropMesher::set_channel_index_type(const int value) {
_channel_index_type = value;
}
int PropMesher::get_channel_index_isolevel() const {
return _channel_index_isolevel;
}
void PropMesher::set_channel_index_isolevel(const int value) {
_channel_index_isolevel = value;
}
int PropMesher::get_mesher_index() const {
return _mesher_index;
}
void PropMesher::set_mesher_index(const int value) {
_mesher_index = value;
}
int PropMesher::get_format() const {
return _format;
}
void PropMesher::set_format(const int value) {
_format = value;
}
int PropMesher::get_texture_scale() const {
return _texture_scale;
}
void PropMesher::set_texture_scale(const int value) {
_texture_scale = value;
}
Ref<Material> PropMesher::get_material() {
return _material;
}
void PropMesher::set_material(const Ref<Material> &material) {
_material = material;
}
float PropMesher::get_ao_strength() const {
return _ao_strength;
}
void PropMesher::set_ao_strength(float value) {
_ao_strength = value;
}
float PropMesher::get_base_light_value() const {
return _base_light_value;
}
void PropMesher::set_base_light_value(float value) {
_base_light_value = value;
}
float PropMesher::get_voxel_scale() const {
return _voxel_scale;
}
void PropMesher::set_voxel_scale(const float voxel_scale) {
_voxel_scale = voxel_scale;
}
Rect2 PropMesher::get_uv_margin() const {
return _uv_margin;
}
void PropMesher::set_uv_margin(const Rect2 margin) {
_uv_margin = margin;
}
_FORCE_INLINE_ int PropMesher::get_build_flags() const {
return _build_flags;
}
_FORCE_INLINE_ void PropMesher::set_build_flags(const int flags) {
_build_flags = flags;
if ((_build_flags & PropMesher::BUILD_FLAG_USE_LIGHTING) != 0) {
_format |= VisualServer::ARRAY_FORMAT_COLOR;
} else {
_format ^= VisualServer::ARRAY_FORMAT_COLOR;
}
}
Array PropMesher::build_mesh() {
Array a;
a.resize(VisualServer::ARRAY_MAX);
if (_vertices.size() == 0) {
//Nothing to do
return a;
}
{
PoolVector<Vector3> array;
array.resize(_vertices.size());
#if !GODOT4
PoolVector<Vector3>::Write w = array.write();
#endif
for (int i = 0; i < _vertices.size(); ++i) {
array.set(i, _vertices[i].vertex);
}
#if !GODOT4
w.release();
#endif
a[VisualServer::ARRAY_VERTEX] = array;
}
if ((_format & VisualServer::ARRAY_FORMAT_NORMAL) == 0) {
generate_normals();
}
{
PoolVector<Vector3> array;
array.resize(_vertices.size());
#if !GODOT4
PoolVector<Vector3>::Write w = array.write();
#endif
for (int i = 0; i < _vertices.size(); ++i) {
array.set(i, _vertices[i].normal);
}
#if !GODOT4
w.release();
#endif
a[VisualServer::ARRAY_NORMAL] = array;
}
if ((_format & VisualServer::ARRAY_FORMAT_COLOR) != 0) {
PoolVector<Color> array;
array.resize(_vertices.size());
#if !GODOT4
PoolVector<Color>::Write w = array.write();
#endif
for (int i = 0; i < _vertices.size(); ++i) {
array.set(i, _vertices[i].color);
}
#if !GODOT4
w.release();
#endif
a[VisualServer::ARRAY_COLOR] = array;
}
if ((_format & VisualServer::ARRAY_FORMAT_TEX_UV) != 0) {
PoolVector<Vector2> array;
array.resize(_vertices.size());
#if !GODOT4
PoolVector<Vector2>::Write w = array.write();
#endif
for (int i = 0; i < _vertices.size(); ++i) {
array.set(i, _vertices[i].uv);
}
#if !GODOT4
w.release();
#endif
a[VisualServer::ARRAY_TEX_UV] = array;
}
if ((_format & VisualServer::ARRAY_FORMAT_TEX_UV2) != 0) {
PoolVector<Vector2> array;
array.resize(_vertices.size());
#if !GODOT4
PoolVector<Vector2>::Write w = array.write();
#endif
for (int i = 0; i < _vertices.size(); ++i) {
array.set(i, _vertices[i].uv2);
}
#if !GODOT4
w.release();
#endif
a[VisualServer::ARRAY_TEX_UV2] = array;
}
if (_indices.size() > 0) {
PoolVector<int> array;
array.resize(_indices.size());
#if !GODOT4
PoolVector<int>::Write w = array.write();
#endif
for (int i = 0; i < _indices.size(); ++i) {
array.set(i, _indices[i]);
}
#if !GODOT4
w.release();
#endif
a[VisualServer::ARRAY_INDEX] = array;
}
return a;
}
void PropMesher::build_mesh_into(RID mesh) {
ERR_FAIL_COND(mesh == RID());
VS::get_singleton()->mesh_clear(mesh);
if (_vertices.size() == 0) {
//Nothing to do
return;
}
Array arr = build_mesh();
VS::get_singleton()->mesh_add_surface_from_arrays(mesh, VisualServer::PRIMITIVE_TRIANGLES, arr);
if (_material.is_valid())
VS::get_singleton()->mesh_surface_set_material(mesh, 0, _material->get_rid());
}
void PropMesher::generate_normals(bool p_flip) {
_format = _format | VisualServer::ARRAY_FORMAT_NORMAL;
for (int i = 0; i < _indices.size(); i += 3) {
int i0 = _indices[i];
int i1 = _indices[i + 1];
int i2 = _indices[i + 2];
ERR_FAIL_INDEX(i0, _vertices.size());
ERR_FAIL_INDEX(i1, _vertices.size());
ERR_FAIL_INDEX(i2, _vertices.size());
Vertex v0 = _vertices.get(i0);
Vertex v1 = _vertices.get(i1);
Vertex v2 = _vertices.get(i2);
Vector3 normal;
if (!p_flip)
normal = Plane(v0.vertex, v1.vertex, v2.vertex).normal;
else
normal = Plane(v2.vertex, v1.vertex, v0.vertex).normal;
v0.normal = normal;
v1.normal = normal;
v2.normal = normal;
_vertices.set(i0, v0);
_vertices.set(i1, v1);
_vertices.set(i2, v2);
}
}
void PropMesher::remove_doubles() {
if (_vertices.size() == 0)
return;
//print_error("before " + String::num(_vertices.size()));
for (int i = 0; i < _vertices.size(); ++i) {
Vertex vert = _vertices[i];
PoolVector<int> indices;
for (int j = i + 1; j < _vertices.size(); ++j) {
if (_vertices[j] == vert) {
indices.push_back(j);
}
}
for (int j = 0; j < indices.size(); ++j) {
int index = indices[j];
_vertices.remove(index);
//make all indices that were bigger than the one we replaced one lower
for (int k = 0; k < _indices.size(); ++k) {
int indx = _indices[k];
if (indx == index) {
_indices.set(k, i);
} else if (indx > index) {
_indices.set(k, --indx);
}
}
for (int k = j + 1; k < indices.size(); ++k) {
int val = indices[k];
if (val > index) {
indices.set(k, --val);
}
}
}
}
//print_error("after " + String::num(_vertices.size())+ " " + String::num(duration.count()));
}
//lot faster that normal remove_doubles, but false positives can happen curtesy of hash collisions
void PropMesher::remove_doubles_hashed() {
if (_vertices.size() == 0)
return;
//print_error("before " + String::num(_vertices.size()));
PoolVector<uint32_t> hashes;
hashes.resize(_vertices.size());
for (int i = 0; i < _vertices.size(); ++i) {
hashes.set(i, VertexHasher::hash(_vertices[i]));
}
for (int i = 0; i < hashes.size(); ++i) {
uint32_t hash = hashes[i];
PoolVector<int> indices;
for (int j = i + 1; j < hashes.size(); ++j) {
if (hashes[j] == hash) {
indices.push_back(j);
}
}
for (int j = 0; j < indices.size(); ++j) {
int index = indices[j];
hashes.remove(index);
_vertices.remove(index);
//make all indices that were bigger than the one we replaced one lower
for (int k = 0; k < _indices.size(); ++k) {
int indx = _indices[k];
if (indx == index) {
_indices.set(k, i);
} else if (indx > index) {
_indices.set(k, --indx);
}
}
for (int k = j + 1; k < indices.size(); ++k) {
int val = indices[k];
if (val > index) {
indices.set(k, --val);
}
}
}
}
//print_error("after " + String::num(_vertices.size()) + " " + String::num(duration.count()));
}
void PropMesher::reset() {
_vertices.resize(0);
_indices.resize(0);
_last_color = Color();
_last_normal = Vector3();
_last_uv = Vector2();
_last_uv2 = Vector2();
_last_bones.clear();
_last_weights.clear();
_last_tangent = Plane();
}
#ifdef MESH_DATA_RESOURCE_PRESENT
void PropMesher::add_mesh_data_resource(Ref<MeshDataResource> mesh, const Vector3 position, const Vector3 rotation, const Vector3 scale, const Rect2 uv_rect) {
Transform transform = Transform(Basis(rotation).scaled(scale), position);
add_mesh_data_resource_transform(mesh, transform, uv_rect);
}
void PropMesher::add_mesh_data_resource_transform(Ref<MeshDataResource> mesh, const Transform transform, const Rect2 uv_rect) {
if (mesh->get_array().size() == 0)
return;
const Array &arr = mesh->get_array();
PoolVector3Array vertices = arr[Mesh::ARRAY_VERTEX];
PoolVector3Array normals = arr[Mesh::ARRAY_NORMAL];
PoolVector2Array uvs = arr[Mesh::ARRAY_TEX_UV];
PoolColorArray colors = arr[Mesh::ARRAY_COLOR];
PoolIntArray indices = arr[Mesh::ARRAY_INDEX];
if (vertices.size() == 0)
return;
int orig_vert_size = _vertices.size();
for (int i = 0; i < vertices.size(); ++i) {
if (normals.size() > 0)
add_normal(transform.basis.xform(normals[i]));
if (normals.size() > 0) {
Vector2 uv = uvs[i];
uv.x = uv_rect.size.width * uv.x + uv_rect.position.x;
uv.y = uv_rect.size.height * uv.y + uv_rect.position.y;
add_uv(uv);
}
if (colors.size() > 0)
add_color(colors[i]);
add_vertex(transform.xform(vertices[i]));
}
int orig_indices_count = _indices.size();
_indices.resize(_indices.size() + indices.size());
for (int i = 0; i < indices.size(); ++i) {
_indices.set(orig_indices_count + i, orig_vert_size + indices[i]);
}
}
void PropMesher::add_mesh_data_resource_transform_colored(Ref<MeshDataResource> mesh, const Transform transform, const PoolColorArray &colors, const Rect2 uv_rect) {
if (mesh->get_array().size() == 0)
return;
const Array &arr = mesh->get_array();
PoolVector3Array vertices = arr[Mesh::ARRAY_VERTEX];
PoolVector3Array normals = arr[Mesh::ARRAY_NORMAL];
PoolVector2Array uvs = arr[Mesh::ARRAY_TEX_UV];
PoolIntArray indices = arr[Mesh::ARRAY_INDEX];
if (vertices.size() == 0)
return;
int orig_vert_size = _vertices.size();
for (int i = 0; i < vertices.size(); ++i) {
if (normals.size() > 0)
add_normal(transform.basis.xform(normals[i]));
if (normals.size() > 0) {
Vector2 uv = uvs[i];
uv.x = uv_rect.size.width * uv.x + uv_rect.position.x;
uv.y = uv_rect.size.height * uv.y + uv_rect.position.y;
add_uv(uv);
}
if (colors.size() > 0)
add_color(colors[i]);
add_vertex(transform.xform(vertices[i]));
}
int orig_indices_count = _indices.size();
_indices.resize(_indices.size() + indices.size());
for (int i = 0; i < indices.size(); ++i) {
_indices.set(orig_indices_count + i, orig_vert_size + indices[i]);
}
}
#endif
void PropMesher::add_mesher(const Ref<PropMesher> &mesher) {
call("_add_mesher", mesher);
}
void PropMesher::_add_mesher(const Ref<PropMesher> &mesher) {
int orig_size = _vertices.size();
_vertices.append_array(mesher->_vertices);
int s = mesher->_indices.size();
if (s == 0)
return;
int orig_indices_size = _indices.size();
_indices.resize(_indices.size() + s);
for (int i = 0; i < s; ++i) {
_indices.set(i + orig_indices_size, mesher->_indices[i] + orig_size);
}
}
PoolVector<Vector3> PropMesher::build_collider() const {
PoolVector<Vector3> face_points;
if (_vertices.size() == 0)
return face_points;
if (_indices.size() == 0) {
int len = (_vertices.size() / 4);
for (int i = 0; i < len; ++i) {
face_points.push_back(_vertices.get(i * 4).vertex);
face_points.push_back(_vertices.get((i * 4) + 2).vertex);
face_points.push_back(_vertices.get((i * 4) + 1).vertex);
face_points.push_back(_vertices.get(i * 4).vertex);
face_points.push_back(_vertices.get((i * 4) + 3).vertex);
face_points.push_back(_vertices.get((i * 4) + 2).vertex);
}
return face_points;
}
face_points.resize(_indices.size());
for (int i = 0; i < face_points.size(); i++) {
face_points.set(i, _vertices.get(_indices.get(i)).vertex);
}
return face_points;
}
#ifdef TERRAMAN_PRESENT
void PropMesher::bake_lights(MeshInstance *node, Vector<Ref<TerraLight> > &lights) {
ERR_FAIL_COND(node == NULL);
Color darkColor(0, 0, 0, 1);
for (int v = 0; v < _vertices.size(); ++v) {
Vertex vertexv = _vertices.get(v);
Vector3 vet = vertexv.vertex;
Vector3 vertex = node->to_global(vet);
//grab normal
Vector3 normal = vertexv.normal;
Vector3 v_lightDiffuse;
//calculate the lights value
for (int i = 0; i < lights.size(); ++i) {
Ref<TerraLight> light = lights.get(i);
Vector3 lightDir = light->get_world_position() - vertex;
float dist2 = lightDir.dot(lightDir);
//inverse sqrt
lightDir *= (1.0 / sqrt(dist2));
float NdotL = normal.dot(lightDir);
if (NdotL > 1.0) {
NdotL = 1.0;
} else if (NdotL < 0.0) {
NdotL = 0.0;
}
Color cc = light->get_color();
Vector3 cv(cc.r, cc.g, cc.b);
Vector3 value = cv * (NdotL / (1.0 + dist2));
value *= light->get_size();
v_lightDiffuse += value;
/*
float dist2 = Mathf.Clamp(Vector3.Distance(transformedLights[i], vertices), 0f, 15f);
dist2 /= 35f;
Vector3 value = Vector3.one;
value *= ((float) lights[i].Strength) / 255f;
value *= (1 - dist2);
v_lightDiffuse += value;*/
}
Color f = vertexv.color;
//Color f = darkColor;
Vector3 cv2(f.r, f.g, f.b);
cv2 += v_lightDiffuse;
if (cv2.x > 1)
cv2.x = 1;
if (cv2.y > 1)
cv2.y = 1;
if (cv2.y > 1)
cv2.y = 1;
// cv2.x = Mathf.Clamp(cv2.x, 0f, 1f);
//cv2.y = Mathf.Clamp(cv2.y, 0f, 1f);
// cv2.z = Mathf.Clamp(cv2.z, 0f, 1f);
f.r = cv2.x;
f.g = cv2.y;
f.b = cv2.z;
//f.r = v_lightDiffuse.x;
//f.g = v_lightDiffuse.y;
//f.b = v_lightDiffuse.z;
vertexv.color = f;
_vertices.set(v, vertexv);
}
// for (int i = 0; i < _colors->size(); ++i) {
// print_error(_colors->get(i));
// }
}
#endif
PoolVector<Vector3> PropMesher::get_vertices() const {
PoolVector<Vector3> arr;
arr.resize(_vertices.size());
for (int i = 0; i < _vertices.size(); ++i) {
arr.set(i, _vertices.get(i).vertex);
}
return arr;
}
void PropMesher::set_vertices(const PoolVector<Vector3> &values) {
ERR_FAIL_COND(values.size() != _vertices.size());
for (int i = 0; i < _vertices.size(); ++i) {
Vertex v = _vertices[i];
v.normal = values[i];
_vertices.set(i, v);
}
}
int PropMesher::get_vertex_count() const {
return _vertices.size();
}
void PropMesher::add_vertex(const Vector3 &vertex) {
Vertex vtx;
vtx.vertex = vertex;
vtx.color = _last_color;
vtx.normal = _last_normal;
vtx.uv = _last_uv;
vtx.uv2 = _last_uv2;
// Todo?
// vtx.weights = _last_weights;
// vtx.bones = _last_bones;
// vtx.tangent = _last_tangent.normal;
// vtx.binormal = _last_normal.cross(_last_tangent.normal).normalized() * _last_tangent.d;
_vertices.push_back(vtx);
}
Vector3 PropMesher::get_vertex(const int idx) const {
return _vertices.get(idx).vertex;
}
void PropMesher::remove_vertex(const int idx) {
_vertices.remove(idx);
}
PoolVector<Vector3> PropMesher::get_normals() const {
PoolVector<Vector3> arr;
arr.resize(_vertices.size());
for (int i = 0; i < _vertices.size(); ++i) {
arr.set(i, _vertices.get(i).normal);
}
return arr;
}
void PropMesher::set_normals(const PoolVector<Vector3> &values) {
ERR_FAIL_COND(values.size() != _vertices.size());
for (int i = 0; i < _vertices.size(); ++i) {
Vertex v = _vertices[i];
v.normal = values[i];
_vertices.set(i, v);
}
}
void PropMesher::add_normal(const Vector3 &normal) {
_last_normal = normal;
}
Vector3 PropMesher::get_normal(int idx) const {
return _vertices.get(idx).normal;
}
PoolVector<Color> PropMesher::get_colors() const {
PoolVector<Color> arr;
arr.resize(_vertices.size());
for (int i = 0; i < _vertices.size(); ++i) {
arr.set(i, _vertices.get(i).color);
}
return arr;
}
void PropMesher::set_colors(const PoolVector<Color> &values) {
ERR_FAIL_COND(values.size() != _vertices.size());
for (int i = 0; i < _vertices.size(); ++i) {
Vertex v = _vertices[i];
v.color = values[i];
_vertices.set(i, v);
}
}
void PropMesher::add_color(const Color &color) {
_last_color = color;
}
Color PropMesher::get_color(const int idx) const {
return _vertices.get(idx).color;
}
PoolVector<Vector2> PropMesher::get_uvs() const {
PoolVector<Vector2> arr;
arr.resize(_vertices.size());
for (int i = 0; i < _vertices.size(); ++i) {
arr.set(i, _vertices.get(i).uv);
}
return arr;
}
void PropMesher::set_uvs(const PoolVector<Vector2> &values) {
ERR_FAIL_COND(values.size() != _vertices.size());
for (int i = 0; i < _vertices.size(); ++i) {
Vertex v = _vertices[i];
v.uv = values[i];
_vertices.set(i, v);
}
}
void PropMesher::add_uv(const Vector2 &uv) {
_last_uv = uv;
}
Vector2 PropMesher::get_uv(const int idx) const {
return _vertices.get(idx).uv;
}
PoolVector<Vector2> PropMesher::get_uv2s() const {
PoolVector<Vector2> arr;
arr.resize(_vertices.size());
for (int i = 0; i < _vertices.size(); ++i) {
arr.set(i, _vertices.get(i).uv2);
}
return arr;
}
void PropMesher::set_uv2s(const PoolVector<Vector2> &values) {
ERR_FAIL_COND(values.size() != _vertices.size());
for (int i = 0; i < _vertices.size(); ++i) {
Vertex v = _vertices[i];
v.uv2 = values[i];
_vertices.set(i, v);
}
}
void PropMesher::add_uv2(const Vector2 &uv) {
_last_uv2 = uv;
}
Vector2 PropMesher::get_uv2(const int idx) const {
return _vertices.get(idx).uv2;
}
PoolVector<int> PropMesher::get_indices() const {
return _indices;
}
void PropMesher::set_indices(const PoolVector<int> &values) {
_indices = values;
}
int PropMesher::get_indices_count() const {
return _indices.size();
}
void PropMesher::add_indices(const int index) {
_indices.push_back(index);
}
int PropMesher::get_index(const int idx) const {
return _indices.get(idx);
}
void PropMesher::remove_index(const int idx) {
_indices.remove(idx);
}
PropMesher::PropMesher() {
_mesher_index = 0;
_voxel_scale = 1;
_ao_strength = 0.25;
_base_light_value = 0.5;
_uv_margin = Rect2(0, 0, 1, 1);
_format = 0;
_channel_index_type = 0;
_channel_index_isolevel = 0;
_texture_scale = 1;
_build_flags = PropMesher::BUILD_FLAG_CREATE_COLLIDER | PropMesher::BUILD_FLAG_CREATE_LODS;
_format = VisualServer::ARRAY_FORMAT_NORMAL | VisualServer::ARRAY_FORMAT_TEX_UV;
}
PropMesher::~PropMesher() {
}
void PropMesher::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_channel_index_type"), &PropMesher::get_channel_index_type);
ClassDB::bind_method(D_METHOD("set_channel_index_type", "value"), &PropMesher::set_channel_index_type);
ADD_PROPERTY(PropertyInfo(Variant::INT, "channel_index_type"), "set_channel_index_type", "get_channel_index_type");
ClassDB::bind_method(D_METHOD("get_channel_index_isolevel"), &PropMesher::get_channel_index_isolevel);
ClassDB::bind_method(D_METHOD("set_channel_index_isolevel", "value"), &PropMesher::set_channel_index_isolevel);
ADD_PROPERTY(PropertyInfo(Variant::INT, "channel_index_isolevel"), "set_channel_index_isolevel", "get_channel_index_isolevel");
ClassDB::bind_method(D_METHOD("get_mesher_index"), &PropMesher::get_mesher_index);
ClassDB::bind_method(D_METHOD("set_mesher_index", "value"), &PropMesher::set_mesher_index);
ADD_PROPERTY(PropertyInfo(Variant::INT, "mesher_index"), "set_mesher_index", "get_mesher_index");
ClassDB::bind_method(D_METHOD("get_format"), &PropMesher::get_format);
ClassDB::bind_method(D_METHOD("set_format", "value"), &PropMesher::set_format);
ADD_PROPERTY(PropertyInfo(Variant::INT, "format"), "set_format", "get_format");
ClassDB::bind_method(D_METHOD("get_texture_scale"), &PropMesher::get_texture_scale);
ClassDB::bind_method(D_METHOD("set_texture_scale", "value"), &PropMesher::set_texture_scale);
ADD_PROPERTY(PropertyInfo(Variant::INT, "texture_scale"), "set_texture_scale", "get_texture_scale");
ClassDB::bind_method(D_METHOD("get_material"), &PropMesher::get_material);
ClassDB::bind_method(D_METHOD("set_material", "value"), &PropMesher::set_material);
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "material", PROPERTY_HINT_RESOURCE_TYPE, "Material"), "set_material", "get_material");
ClassDB::bind_method(D_METHOD("get_voxel_scale"), &PropMesher::get_voxel_scale);
ClassDB::bind_method(D_METHOD("set_voxel_scale", "value"), &PropMesher::set_voxel_scale);
ADD_PROPERTY(PropertyInfo(Variant::REAL, "voxel_scale"), "set_voxel_scale", "get_voxel_scale");
ClassDB::bind_method(D_METHOD("get_ao_strength"), &PropMesher::get_ao_strength);
ClassDB::bind_method(D_METHOD("set_ao_strength", "value"), &PropMesher::set_ao_strength);
ADD_PROPERTY(PropertyInfo(Variant::REAL, "ao_strength"), "set_ao_strength", "get_ao_strength");
ClassDB::bind_method(D_METHOD("get_base_light_value"), &PropMesher::get_base_light_value);
ClassDB::bind_method(D_METHOD("set_base_light_value", "value"), &PropMesher::set_base_light_value);
ADD_PROPERTY(PropertyInfo(Variant::REAL, "base_light_value"), "set_base_light_value", "get_base_light_value");
ClassDB::bind_method(D_METHOD("get_uv_margin"), &PropMesher::get_uv_margin);
ClassDB::bind_method(D_METHOD("set_uv_margin", "value"), &PropMesher::set_uv_margin);
ADD_PROPERTY(PropertyInfo(Variant::RECT2, "uv_margin"), "set_uv_margin", "get_uv_margin");
ClassDB::bind_method(D_METHOD("get_build_flags"), &PropMesher::get_build_flags);
ClassDB::bind_method(D_METHOD("set_build_flags", "value"), &PropMesher::set_build_flags);
ADD_PROPERTY(PropertyInfo(Variant::INT, "build_flags", PROPERTY_HINT_FLAGS, PropMesher::BINDING_STRING_BUILD_FLAGS), "set_build_flags", "get_build_flags");
#ifdef MESH_DATA_RESOURCE_PRESENT
ClassDB::bind_method(D_METHOD("add_mesh_data_resource", "mesh", "position", "rotation", "scale", "uv_rect"), &PropMesher::add_mesh_data_resource, DEFVAL(Rect2(0, 0, 1, 1)), DEFVAL(Vector3(1.0, 1.0, 1.0)), DEFVAL(Vector3()), DEFVAL(Vector3()));
ClassDB::bind_method(D_METHOD("add_mesh_data_resource_transform", "mesh", "transform", "uv_rect"), &PropMesher::add_mesh_data_resource_transform, DEFVAL(Rect2(0, 0, 1, 1)));
ClassDB::bind_method(D_METHOD("add_mesh_data_resource_transform_colored", "mesh", "transform", "colors", "uv_rect"), &PropMesher::add_mesh_data_resource_transform_colored, DEFVAL(Rect2(0, 0, 1, 1)));
#endif
BIND_VMETHOD(MethodInfo("_add_mesher", PropertyInfo(Variant::OBJECT, "mesher", PROPERTY_HINT_RESOURCE_TYPE, "PropMesher")));
ClassDB::bind_method(D_METHOD("add_mesher", "mesher"), &PropMesher::add_mesher);
ClassDB::bind_method(D_METHOD("_add_mesher", "mesher"), &PropMesher::_add_mesher);
ClassDB::bind_method(D_METHOD("get_vertices"), &PropMesher::get_vertices);
ClassDB::bind_method(D_METHOD("set_vertices", "values"), &PropMesher::set_vertices);
ClassDB::bind_method(D_METHOD("get_vertex_count"), &PropMesher::get_vertex_count);
ClassDB::bind_method(D_METHOD("get_vertex", "idx"), &PropMesher::get_vertex);
ClassDB::bind_method(D_METHOD("remove_vertex", "idx"), &PropMesher::remove_vertex);
ClassDB::bind_method(D_METHOD("add_vertex", "vertex"), &PropMesher::add_vertex);
ClassDB::bind_method(D_METHOD("get_normals"), &PropMesher::get_normals);
ClassDB::bind_method(D_METHOD("set_normals", "values"), &PropMesher::set_normals);
ClassDB::bind_method(D_METHOD("get_normal", "idx"), &PropMesher::get_normal);
ClassDB::bind_method(D_METHOD("add_normal", "normal"), &PropMesher::add_normal);
ClassDB::bind_method(D_METHOD("get_colors"), &PropMesher::get_colors);
ClassDB::bind_method(D_METHOD("set_colors", "values"), &PropMesher::set_colors);
ClassDB::bind_method(D_METHOD("get_color", "idx"), &PropMesher::get_color);
ClassDB::bind_method(D_METHOD("add_color", "color"), &PropMesher::add_color);
ClassDB::bind_method(D_METHOD("get_uvs"), &PropMesher::get_uvs);
ClassDB::bind_method(D_METHOD("set_uvs", "values"), &PropMesher::set_uvs);
ClassDB::bind_method(D_METHOD("get_uv", "idx"), &PropMesher::get_uv);
ClassDB::bind_method(D_METHOD("add_uv", "uv"), &PropMesher::add_uv);
ClassDB::bind_method(D_METHOD("get_uv2s"), &PropMesher::get_uv2s);
ClassDB::bind_method(D_METHOD("set_uv2s", "values"), &PropMesher::set_uv2s);
ClassDB::bind_method(D_METHOD("get_uv2", "idx"), &PropMesher::get_uv2);
ClassDB::bind_method(D_METHOD("add_uv2", "uv"), &PropMesher::add_uv2);
ClassDB::bind_method(D_METHOD("get_indices"), &PropMesher::get_indices);
ClassDB::bind_method(D_METHOD("set_indices", "values"), &PropMesher::set_indices);
ClassDB::bind_method(D_METHOD("get_indices_count"), &PropMesher::get_indices_count);
ClassDB::bind_method(D_METHOD("get_index", "idx"), &PropMesher::get_index);
ClassDB::bind_method(D_METHOD("remove_index", "idx"), &PropMesher::remove_index);
ClassDB::bind_method(D_METHOD("add_indices", "indice"), &PropMesher::add_indices);
ClassDB::bind_method(D_METHOD("reset"), &PropMesher::reset);
//ClassDB::bind_method(D_METHOD("calculate_vertex_ambient_occlusion", "meshinstance_path", "radius", "intensity", "sampleCount"), &PropMesher::calculate_vertex_ambient_occlusion_path);
ClassDB::bind_method(D_METHOD("build_mesh"), &PropMesher::build_mesh);
ClassDB::bind_method(D_METHOD("build_mesh_into", "mesh_rid"), &PropMesher::build_mesh_into);
ClassDB::bind_method(D_METHOD("build_collider"), &PropMesher::build_collider);
ClassDB::bind_method(D_METHOD("generate_normals", "flip"), &PropMesher::generate_normals, DEFVAL(false));
ClassDB::bind_method(D_METHOD("remove_doubles"), &PropMesher::remove_doubles);
ClassDB::bind_method(D_METHOD("remove_doubles_hashed"), &PropMesher::remove_doubles_hashed);
}

243
prop_mesher.h Normal file
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@ -0,0 +1,243 @@
/*
Copyright (c) 2019-2021 Péter Magyar
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 PROP_MESHER_H
#define PROP_MESHER_H
#include "core/version.h"
#if VERSION_MAJOR > 3
#include "core/math/color.h"
#include "core/object/reference.h"
#include "core/templates/vector.h"
template <class N>
class Vector;
template <class N>
using PoolVector = Vector<N>;
#include "scene/3d/mesh_instance_3d.h"
#else
#include "core/color.h"
#include "core/reference.h"
#include "core/vector.h"
#include "core/pool_vector.h"
#include "scene/3d/mesh_instance.h"
#endif
#include "core/math/rect2.h"
#include "core/math/vector2.h"
#include "core/math/vector3.h"
#include "scene/main/node.h"
#include "scene/resources/material.h"
#include "scene/resources/mesh.h"
#ifdef MESH_DATA_RESOURCE_PRESENT
#include "../mesh_data_resource/mesh_data_resource.h"
#endif
#ifdef TERRAMAN_PRESENT
#include "../terraman/data/terra_light.h"
#endif
class PropMesher : public Reference {
GDCLASS(PropMesher, Reference);
public:
static const String BINDING_STRING_BUILD_FLAGS;
const double PI_2 = 3.141592653589793238463 / 2;
const double PI = 3.141592653589793238463;
enum BuildFlags {
BUILD_FLAG_USE_ISOLEVEL = 1 << 0,
BUILD_FLAG_USE_LIGHTING = 1 << 1,
BUILD_FLAG_USE_AO = 1 << 2,
BUILD_FLAG_USE_RAO = 1 << 3,
BUILD_FLAG_GENERATE_AO = 1 << 4,
BUILD_FLAG_AUTO_GENERATE_RAO = 1 << 5,
BUILD_FLAG_BAKE_LIGHTS = 1 << 6,
BUILD_FLAG_CREATE_COLLIDER = 1 << 7,
BUILD_FLAG_CREATE_LODS = 1 << 8,
};
struct Vertex {
Vector3 vertex;
Color color;
Vector3 normal; // normal, binormal, tangent
Vector3 binormal;
Vector3 tangent;
Vector2 uv;
Vector2 uv2;
Vector<int> bones;
Vector<float> weights;
bool operator==(const Vertex &p_vertex) const;
Vertex() {}
};
struct VertexHasher {
static _FORCE_INLINE_ uint32_t hash(const Vertex &p_vtx);
};
struct WeightSort {
int index;
float weight;
bool operator<(const WeightSort &p_right) const {
return weight < p_right.weight;
}
};
public:
int get_channel_index_type() const;
void set_channel_index_type(const int value);
int get_channel_index_isolevel() const;
void set_channel_index_isolevel(const int value);
int get_mesher_index() const;
void set_mesher_index(const int value);
int get_format() const;
void set_format(const int value);
int get_texture_scale() const;
void set_texture_scale(const int value);
Ref<Material> get_material();
void set_material(const Ref<Material> &material);
float get_ao_strength() const;
void set_ao_strength(const float value);
float get_base_light_value() const;
void set_base_light_value(const float value);
float get_voxel_scale() const;
void set_voxel_scale(const float voxel_scale);
Rect2 get_uv_margin() const;
void set_uv_margin(const Rect2 margin);
int get_build_flags() const;
void set_build_flags(const int flags);
void reset();
#ifdef MESH_DATA_RESOURCE_PRESENT
void add_mesh_data_resource(Ref<MeshDataResource> mesh, const Vector3 position = Vector3(0, 0, 0), const Vector3 rotation = Vector3(0, 0, 0), const Vector3 scale = Vector3(1.0, 1.0, 1.0), const Rect2 uv_rect = Rect2(0, 0, 1, 1));
void add_mesh_data_resource_transform(Ref<MeshDataResource> mesh, const Transform transform, const Rect2 uv_rect = Rect2(0, 0, 1, 1));
void add_mesh_data_resource_transform_colored(Ref<MeshDataResource> mesh, const Transform transform, const PoolColorArray &colors, const Rect2 uv_rect = Rect2(0, 0, 1, 1));
#endif
void add_mesher(const Ref<PropMesher> &mesher);
void _add_mesher(const Ref<PropMesher> &mesher);
PoolVector<Vector3> build_collider() const;
#ifdef TERRAMAN_PRESENT
void bake_lights(MeshInstance *node, Vector<Ref<TerraLight> > &lights);
#endif
Array build_mesh();
void build_mesh_into(RID mesh);
void generate_normals(bool p_flip = false);
void remove_doubles();
void remove_doubles_hashed();
PoolVector<Vector3> get_vertices() const;
void set_vertices(const PoolVector<Vector3> &values);
int get_vertex_count() const;
Vector3 get_vertex(const int idx) const;
void remove_vertex(const int idx);
void add_vertex(const Vector3 &vertex);
PoolVector<Vector3> get_normals() const;
void set_normals(const PoolVector<Vector3> &values);
Vector3 get_normal(const int idx) const;
void add_normal(const Vector3 &normal);
PoolVector<Color> get_colors() const;
void set_colors(const PoolVector<Color> &values);
Color get_color(const int idx) const;
void add_color(const Color &color);
PoolVector<Vector2> get_uvs() const;
void set_uvs(const PoolVector<Vector2> &values);
Vector2 get_uv(const int idx) const;
void add_uv(const Vector2 &vector);
PoolVector<Vector2> get_uv2s() const;
void set_uv2s(const PoolVector<Vector2> &values);
Vector2 get_uv2(const int idx) const;
void add_uv2(const Vector2 &vector);
PoolVector<int> get_indices() const;
void set_indices(const PoolVector<int> &values);
int get_indices_count() const;
int get_index(const int idx) const;
void remove_index(const int idx);
void add_indices(const int index);
PropMesher();
~PropMesher();
protected:
static void _bind_methods();
int _channel_index_type;
int _channel_index_isolevel;
int _mesher_index;
int _format;
int _texture_scale;
PoolVector<Vertex> _vertices;
PoolVector<int> _indices;
Color _last_color;
Vector3 _last_normal;
Vector2 _last_uv;
Vector2 _last_uv2;
Vector<int> _last_bones;
Vector<float> _last_weights;
Plane _last_tangent;
Ref<Material> _material;
float _voxel_scale;
float _ao_strength;
float _base_light_value;
Rect2 _uv_margin;
int _build_flags;
};
VARIANT_ENUM_CAST(PropMesher::BuildFlags);
#endif

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@ -50,6 +50,8 @@ SOFTWARE.
#include "./editor/prop_editor_plugin.h"
#include "prop_mesher.h"
static PropUtils *prop_utils = NULL;
void register_props_types() {
@ -62,6 +64,8 @@ void register_props_types() {
ClassDB::register_class<GroundClutter>();
ClassDB::register_class<GroundClutterFoliage>();
ClassDB::register_class<PropMesher>();
ClassDB::register_class<PropInstance>();
ClassDB::register_class<PropESSEntity>();