468 lines
13 KiB
C++
468 lines
13 KiB
C++
/*************************************************************************/
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/* multimesh_editor_plugin.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2015 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "multimesh_editor_plugin.h"
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#include "scene/gui/box_container.h"
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#include "scene/3d/mesh_instance.h"
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#include "spatial_editor_plugin.h"
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void MultiMeshEditor::_node_removed(Node *p_node) {
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if(p_node==node) {
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node=NULL;
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hide();
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}
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}
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void MultiMeshEditor::_populate() {
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if(!node)
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return;
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Ref<Mesh> mesh;
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if (mesh_source->get_text()=="") {
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Ref<MultiMesh> multimesh;
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multimesh = node->get_multimesh();
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if (multimesh.is_null()) {
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err_dialog->set_text("No mesh source specified (and no MultiMesh set in node).");
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err_dialog->popup_centered_minsize();
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return;
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}
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if (multimesh->get_mesh().is_null()) {
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err_dialog->set_text("No mesh source specified (and MultiMesh contains no Mesh).");
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err_dialog->popup_centered_minsize();
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return;
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}
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mesh = multimesh->get_mesh();
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} else {
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Node *ms_node = node->get_node(mesh_source->get_text());
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if (!ms_node) {
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err_dialog->set_text("Mesh source is invalid (Invalid Path).");
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err_dialog->popup_centered_minsize();
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return;
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}
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MeshInstance *ms_instance = ms_node->cast_to<MeshInstance>();
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if (!ms_instance) {
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err_dialog->set_text("Mesh source is invalid (Not a MeshInstance).");
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err_dialog->popup_centered_minsize();
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return;
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}
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mesh=ms_instance->get_mesh();
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if (mesh.is_null()) {
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err_dialog->set_text("Mesh source is invalid (Contains no Mesh resource).");
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err_dialog->popup_centered_minsize();
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return;
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}
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}
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if (surface_source->get_text()=="") {
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err_dialog->set_text("No surface source specified.");
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err_dialog->popup_centered_minsize();
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return;
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}
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Node *ss_node = node->get_node(surface_source->get_text());
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if (!ss_node) {
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err_dialog->set_text("Surface source is invalid (Invalid Path).");
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err_dialog->popup_centered_minsize();
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return;
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}
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GeometryInstance *ss_instance = ss_node->cast_to<MeshInstance>();
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if (!ss_instance) {
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err_dialog->set_text("Surface source is invalid (Not Geometry).");
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err_dialog->popup_centered_minsize();
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return;
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}
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Transform geom_xform = node->get_global_transform().affine_inverse() * ss_instance->get_global_transform();
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DVector<Face3> geometry = ss_instance->get_faces(VisualInstance::FACES_SOLID);
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if (geometry.size()==0) {
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err_dialog->set_text("Surface source is invalid (No Faces).");
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err_dialog->popup_centered_minsize();
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return;
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}
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//make all faces local
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int gc = geometry.size();
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DVector<Face3>::Write w = geometry.write();
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for(int i=0;i<gc;i++) {
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for(int j=0;j<3;j++) {
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w[i].vertex[j] = geom_xform.xform( w[i].vertex[j] );
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}
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}
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w = DVector<Face3>::Write();
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#if 0
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node->get_multimesh()->set_instance_count(populate_amount->get_val());
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node->populate_parent(populate_rotate_random->get_val(),populate_tilt_random->get_val(),populate_scale_random->get_val(),populate_scale->get_val());
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ERR_EXPLAIN("Parent is not of type VisualInstance.");
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ERR_FAIL_COND(!get_parent() || !get_parent()->is_type("VisualInstance"));
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ERR_EXPLAIN("Multimesh not present");
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ERR_FAIL_COND(multimesh.is_null());
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VisualInstance *vi = get_parent()->cast_to<VisualInstance>();
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ERR_EXPLAIN("Parent is not of type VisualInstance, can't be populated.");
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ERR_FAIL_COND(!vi);
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#endif
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DVector<Face3> faces = geometry;
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ERR_EXPLAIN("Parent has no solid faces to populate.");
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int facecount=faces.size();
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ERR_FAIL_COND(!facecount);
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DVector<Face3>::Read r = faces.read();
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float area_accum=0;
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Map<float,int> triangle_area_map;
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for(int i=0;i<facecount;i++) {
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float area = r[i].get_area();;
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if (area<CMP_EPSILON)
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continue;
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triangle_area_map[area_accum]=i;
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area_accum+=area;
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}
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ERR_EXPLAIN("Couldn't map area");
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ERR_FAIL_COND(triangle_area_map.size()==0);
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ERR_EXPLAIN("Couldn't map area");
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ERR_FAIL_COND(area_accum==0);
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Ref<MultiMesh> multimesh = memnew( MultiMesh );
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multimesh->set_mesh(mesh);
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int instance_count=populate_amount->get_val();
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multimesh->set_instance_count(instance_count);
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float _tilt_random = populate_tilt_random->get_val();
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float _rotate_random = populate_rotate_random->get_val();
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float _scale_random = populate_scale_random->get_val();
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float _scale = populate_scale->get_val();
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int axis = populate_axis->get_selected();
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Transform axis_xform;
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if (axis==Vector3::AXIS_Z) {
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axis_xform.rotate(Vector3(1,0,0),Math_PI*0.5);
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}
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if (axis==Vector3::AXIS_X) {
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axis_xform.rotate(Vector3(0,0,1),Math_PI*0.5);
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}
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for(int i=0;i<instance_count;i++) {
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float areapos = Math::random(0,area_accum);
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Map<float,int>::Element *E = triangle_area_map.find_closest(areapos);
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ERR_FAIL_COND(!E)
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int index = E->get();
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ERR_FAIL_INDEX(index,facecount);
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// ok FINALLY get face
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Face3 face = r[index];
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//now compute some position inside the face...
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Vector3 pos = face.get_random_point_inside();
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Vector3 normal = face.get_plane().normal;
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Vector3 op_axis = (face.vertex[0]-face.vertex[1]).normalized();
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Transform xform;
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xform.set_look_at(pos, pos+op_axis,normal);
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xform = xform * axis_xform;
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Matrix3 post_xform;
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post_xform.rotate(xform.basis.get_axis(0),Math::random(-_tilt_random,_tilt_random)*Math_PI);
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post_xform.rotate(xform.basis.get_axis(2),Math::random(-_tilt_random,_tilt_random)*Math_PI);
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post_xform.rotate(xform.basis.get_axis(1),Math::random(-_rotate_random,_rotate_random)*Math_PI);
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xform.basis = post_xform * xform.basis;
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//xform.basis.orthonormalize();
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xform.basis.scale(Vector3(1,1,1)*(_scale+Math::random(-_scale_random,_scale_random)));
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multimesh->set_instance_transform(i,xform);
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multimesh->set_instance_color(i,Color(1,1,1,1));
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}
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multimesh->generate_aabb();
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node->set_multimesh(multimesh);
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}
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void MultiMeshEditor::_browsed(const NodePath& p_path) {
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NodePath path = node->get_path_to( get_node(p_path) );
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if (browsing_source)
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mesh_source->set_text(path);
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else
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surface_source->set_text(path);
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}
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void MultiMeshEditor::_menu_option(int p_option) {
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switch(p_option) {
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case MENU_OPTION_POPULATE: {
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if (_last_pp_node!=node) {
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surface_source->set_text("..");
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mesh_source->set_text("..");
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populate_axis->select(1);
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populate_rotate_random->set_val(0);
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populate_tilt_random->set_val(0);
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populate_scale_random->set_val(0);
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populate_scale->set_val(1);
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populate_amount->set_val(128);
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_last_pp_node=node;
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}
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populate_dialog->popup_centered(Size2(250,395));
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} break;
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}
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}
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void MultiMeshEditor::edit(MultiMeshInstance *p_multimesh) {
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node=p_multimesh;
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}
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void MultiMeshEditor::_browse(bool p_source) {
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browsing_source=p_source;
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std->get_tree()->set_marked(node,false);
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std->popup_centered_ratio();
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if (p_source)
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std->set_title("Select a Source Mesh:");
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else
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std->set_title("Select a Target Surface:");
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}
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void MultiMeshEditor::_bind_methods() {
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ObjectTypeDB::bind_method("_menu_option",&MultiMeshEditor::_menu_option);
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ObjectTypeDB::bind_method("_populate",&MultiMeshEditor::_populate);
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ObjectTypeDB::bind_method("_browsed",&MultiMeshEditor::_browsed);
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ObjectTypeDB::bind_method("_browse",&MultiMeshEditor::_browse);
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}
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MultiMeshEditor::MultiMeshEditor() {
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options = memnew( MenuButton );
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//add_child(options);
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SpatialEditor::get_singleton()->add_control_to_menu_panel(options);
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options->set_area_as_parent_rect();
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options->set_text("MultiMesh");
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options->get_popup()->add_item("Populate Surface");
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options->get_popup()->connect("item_pressed", this,"_menu_option");
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populate_dialog = memnew( ConfirmationDialog );
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populate_dialog->set_title("Populate MultiMesh");
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add_child(populate_dialog);
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VBoxContainer *vbc = memnew( VBoxContainer );
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populate_dialog->add_child(vbc);
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populate_dialog->set_child_rect(vbc);
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HBoxContainer *hbc = memnew( HBoxContainer );
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surface_source = memnew( LineEdit );
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hbc->add_child(surface_source);
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surface_source->set_h_size_flags(SIZE_EXPAND_FILL);
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Button *b = memnew( Button );
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hbc->add_child(b);
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b->set_text("..");
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b->connect("pressed",this,"_browse",make_binds(false));
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vbc->add_margin_child("Target Surface:",hbc);
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hbc = memnew( HBoxContainer );
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mesh_source = memnew( LineEdit );
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hbc->add_child(mesh_source);
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mesh_source->set_h_size_flags(SIZE_EXPAND_FILL);
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b = memnew( Button );
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hbc->add_child(b);
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b->set_text("..");
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vbc->add_margin_child("Source Mesh:",hbc);
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b->connect("pressed",this,"_browse",make_binds(true));
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populate_axis = memnew( OptionButton );
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populate_axis->add_item("X-Axis");
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populate_axis->add_item("Y-Axis");
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populate_axis->add_item("Z-Axis");
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populate_axis->select(2);
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vbc->add_margin_child("Mesh Up Axis:",populate_axis);
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populate_rotate_random = memnew( HScrollBar );
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populate_rotate_random->set_max(1);
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populate_rotate_random->set_step(0.01);
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vbc->add_margin_child("Random Rotation:",populate_rotate_random);
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populate_tilt_random = memnew( HScrollBar );
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populate_tilt_random->set_max(1);
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populate_tilt_random->set_step(0.01);
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vbc->add_margin_child("Random Tilt:",populate_tilt_random);
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populate_scale_random = memnew( SpinBox );
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populate_scale_random->set_min(0);
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populate_scale_random->set_max(1);
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populate_scale_random->set_val(0);
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vbc->add_margin_child("Random Scale:",populate_scale_random);
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populate_scale = memnew( SpinBox );
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populate_scale->set_min(0.001);
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populate_scale->set_max(4096);
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populate_scale->set_val(1);
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vbc->add_margin_child("Scale:",populate_scale);
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populate_amount = memnew( SpinBox );
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populate_amount->set_anchor(MARGIN_RIGHT,ANCHOR_END);
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populate_amount->set_begin( Point2(20,232));
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populate_amount->set_end( Point2(5,237));
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populate_amount->set_min(1);
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populate_amount->set_max(65536);
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populate_amount->set_val(128);
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vbc->add_margin_child("Amount:",populate_amount);
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populate_dialog->get_ok()->set_text("Populate");
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populate_dialog->get_ok()->connect("pressed", this,"_populate");
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std = memnew( SceneTreeDialog );
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populate_dialog->add_child(std);
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std->connect("selected",this,"_browsed");
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_last_pp_node=NULL;
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//options->set_anchor(MARGIN_LEFT,Control::ANCHOR_END);
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//options->set_anchor(MARGIN_RIGHT,Control::ANCHOR_END);
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err_dialog = memnew( AcceptDialog );
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add_child(err_dialog);
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}
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void MultiMeshEditorPlugin::edit(Object *p_object) {
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multimesh_editor->edit(p_object->cast_to<MultiMeshInstance>());
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}
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bool MultiMeshEditorPlugin::handles(Object *p_object) const {
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return p_object->is_type("MultiMeshInstance");
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}
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void MultiMeshEditorPlugin::make_visible(bool p_visible) {
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if (p_visible) {
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multimesh_editor->options->show();
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} else {
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multimesh_editor->options->hide();
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multimesh_editor->edit(NULL);
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}
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}
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MultiMeshEditorPlugin::MultiMeshEditorPlugin(EditorNode *p_node) {
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editor=p_node;
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multimesh_editor = memnew( MultiMeshEditor );
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editor->get_viewport()->add_child(multimesh_editor);
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// multimesh_editor->set_anchor(MARGIN_LEFT,Control::ANCHOR_END);
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// multimesh_editor->set_anchor(MARGIN_RIGHT,Control::ANCHOR_END);
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multimesh_editor->set_margin(MARGIN_LEFT,253);
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multimesh_editor->set_margin(MARGIN_RIGHT,310);
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multimesh_editor->set_margin(MARGIN_TOP,0);
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multimesh_editor->set_margin(MARGIN_BOTTOM,10);
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multimesh_editor->options->hide();
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}
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MultiMeshEditorPlugin::~MultiMeshEditorPlugin()
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{
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}
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