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https://github.com/Relintai/pandemonium_engine.git
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Implement tree generation.
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@ -1,10 +1,13 @@
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#include "procedural_tree_mesh.h"
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#include "core/containers/pool_vector.h"
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#include "core/object/class_db.h"
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#include "core/object/object.h"
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#include "servers/rendering_server.h"
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#include "proctree/proctree.h"
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// General
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int ProceduralTreeMesh::get_seed() const {
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return _seed;
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@ -163,34 +166,180 @@ void ProceduralTreeMesh::trunk_set_length(const float p_value) {
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}
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void ProceduralTreeMesh::_update() const {
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Array arr;
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arr.resize(RS::ARRAY_MAX);
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PoolVector<Vector3> points = arr[RS::ARRAY_VERTEX];
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Proctree::Tree tree;
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aabb = AABB();
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// Grneral
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tree.mProperties.mSeed = _seed;
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tree.mProperties.mSegments = _branch_segments;
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tree.mProperties.mLevels = _branch_levels;
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tree.mProperties.mTreeSteps = _trunk_forks;
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tree.mProperties.mVMultiplier = _texture_v_multiplier;
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tree.mProperties.mTwigScale = _twig_scale;
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// Branching
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tree.mProperties.mInitialBranchLength = _branching_initial_length;
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tree.mProperties.mLengthFalloffFactor = _branching_length_falloff_rate;
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tree.mProperties.mLengthFalloffPower = _branching_length_falloff_power;
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tree.mProperties.mClumpMax = _branching_max_clumping;
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tree.mProperties.mClumpMin = _branching_min_clumping;
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tree.mProperties.mBranchFactor = _branching_symmetry;
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tree.mProperties.mDropAmount = _branching_droop;
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tree.mProperties.mGrowAmount = _branching_growth;
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tree.mProperties.mSweepAmount = _branching_sweep;
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// Trunk
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tree.mProperties.mMaxRadius = _trunk_radius;
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tree.mProperties.mRadiusFalloffRate = _trunk_radius_falloff;
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tree.mProperties.mClimbRate = _trunk_climb_rate;
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tree.mProperties.mTrunkKink = _trunk_kink;
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tree.mProperties.mTaperRate = _trunk_taper_rate;
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tree.mProperties.mTwistRate = _trunk_twists;
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tree.mProperties.mTrunkLength = _trunk_length;
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tree.generate();
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int pc = points.size();
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ERR_FAIL_COND(pc == 0);
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{
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PoolVector<Vector3>::Read r = points.read();
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for (int i = 0; i < pc; i++) {
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if (i == 0) {
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aabb.position = r[i];
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} else {
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aabb.expand_to(r[i]);
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}
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}
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}
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RenderingServer::get_singleton()->mesh_clear(mesh);
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// in with the new
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RenderingServer::get_singleton()->mesh_add_surface_from_arrays(mesh, RenderingServer::PRIMITIVE_TRIANGLES, arr);
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RenderingServer::get_singleton()->mesh_add_surface_from_arrays(mesh, RenderingServer::PRIMITIVE_TRIANGLES, arr);
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aabb = AABB();
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RenderingServer::get_singleton()->mesh_surface_set_material(mesh, TREE_SURFACE_TWIG, _surfaces[TREE_SURFACE_TWIG].material.is_null() ? RID() : _surfaces[TREE_SURFACE_TWIG].material->get_rid());
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RenderingServer::get_singleton()->mesh_surface_set_material(mesh, TREE_SURFACE_TRUNK, _surfaces[TREE_SURFACE_TRUNK].material.is_null() ? RID() : _surfaces[TREE_SURFACE_TRUNK].material->get_rid());
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{
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int vert_count = tree.mTwigVertCount;
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PoolVector<Vector2> uvs;
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PoolVector<Vector3> normals;
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PoolVector<Vector3> verts;
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uvs.resize(vert_count);
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normals.resize(vert_count);
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verts.resize(vert_count);
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{
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PoolVector<Vector2>::Write uvw = uvs.write();
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PoolVector<Vector3>::Write nw = normals.write();
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PoolVector<Vector3>::Write vw = verts.write();
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for (int i = 0; i < vert_count; ++i) {
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Proctree::fvec2 tuv = tree.mTwigUV[i];
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Proctree::fvec3 tnormal = tree.mTwigNormal[i];
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Proctree::fvec3 tvert = tree.mTwigVert[i];
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uvw[i] = Vector2(tuv.u, tuv.v);
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nw[i] = Vector3(tnormal.x, tnormal.y, tnormal.z);
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vw[i] = Vector3(tvert.x, tvert.y, tvert.z);
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}
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}
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PoolVector<int> indices;
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int face_count = tree.mTwigFaceCount;
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indices.resize(face_count * 3);
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{
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PoolVector<int>::Write iw = indices.write();
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for (int i = 0; i < face_count; ++i) {
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Proctree::ivec3 tface = tree.mTwigFace[i];
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int ind = i * 3;
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iw[ind] = tface.x;
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iw[ind + 1] = tface.y;
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iw[ind + 2] = tface.z;
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}
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}
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{
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PoolVector<Vector3>::Read r = verts.read();
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for (int i = 0; i < vert_count; i++) {
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if (i == 0) {
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aabb.position = r[i];
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} else {
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aabb.expand_to(r[i]);
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}
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}
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}
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Array arr;
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arr.resize(RS::ARRAY_MAX);
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arr[RS::ARRAY_VERTEX] = verts;
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arr[RS::ARRAY_TEX_UV] = uvs;
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arr[RS::ARRAY_NORMAL] = normals;
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arr[RS::ARRAY_INDEX] = indices;
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RenderingServer::get_singleton()->mesh_add_surface_from_arrays(mesh, RenderingServer::PRIMITIVE_TRIANGLES, arr);
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RenderingServer::get_singleton()->mesh_surface_set_material(mesh, TREE_SURFACE_TWIG, _surfaces[TREE_SURFACE_TWIG].material.is_null() ? RID() : _surfaces[TREE_SURFACE_TWIG].material->get_rid());
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}
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{
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int vert_count = tree.mVertCount;
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PoolVector<Vector2> uvs;
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PoolVector<Vector3> normals;
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PoolVector<Vector3> verts;
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uvs.resize(vert_count);
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normals.resize(vert_count);
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verts.resize(vert_count);
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{
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PoolVector<Vector2>::Write uvw = uvs.write();
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PoolVector<Vector3>::Write nw = normals.write();
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PoolVector<Vector3>::Write vw = verts.write();
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for (int i = 0; i < vert_count; ++i) {
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Proctree::fvec2 tuv = tree.mUV[i];
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Proctree::fvec3 tnormal = tree.mNormal[i];
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Proctree::fvec3 tvert = tree.mVert[i];
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uvw[i] = Vector2(tuv.u, tuv.v);
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nw[i] = Vector3(tnormal.x, tnormal.y, tnormal.z);
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vw[i] = Vector3(tvert.x, tvert.y, tvert.z);
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}
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}
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PoolVector<int> indices;
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int face_count = tree.mFaceCount;
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indices.resize(face_count * 3);
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{
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PoolVector<int>::Write iw = indices.write();
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for (int i = 0; i < face_count; ++i) {
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Proctree::ivec3 tface = tree.mFace[i];
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int ind = i * 3;
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iw[ind] = tface.x;
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iw[ind + 1] = tface.y;
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iw[ind + 2] = tface.z;
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}
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}
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{
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PoolVector<Vector3>::Read r = verts.read();
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for (int i = 0; i < vert_count; i++) {
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//if (i == 0) {
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// aabb.position = r[i];
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//} else {
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aabb.expand_to(r[i]);
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//}
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}
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}
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Array arr;
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arr.resize(RS::ARRAY_MAX);
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arr[RS::ARRAY_VERTEX] = verts;
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arr[RS::ARRAY_TEX_UV] = uvs;
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arr[RS::ARRAY_NORMAL] = normals;
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arr[RS::ARRAY_INDEX] = indices;
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RenderingServer::get_singleton()->mesh_add_surface_from_arrays(mesh, RenderingServer::PRIMITIVE_TRIANGLES, arr);
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RenderingServer::get_singleton()->mesh_surface_set_material(mesh, TREE_SURFACE_TRUNK, _surfaces[TREE_SURFACE_TRUNK].material.is_null() ? RID() : _surfaces[TREE_SURFACE_TRUNK].material->get_rid());
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}
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pending_request = false;
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