godot_voxel/terrain/voxel_block.cpp

112 lines
2.7 KiB
C++

#include "voxel_block.h"
// Helper
VoxelBlock *VoxelBlock::create(Vector3i bpos, Ref<VoxelBuffer> buffer, unsigned int size, unsigned int p_lod_index) {
const int bs = size;
ERR_FAIL_COND_V(buffer.is_null(), NULL);
ERR_FAIL_COND_V(buffer->get_size() != Vector3i(bs, bs, bs), NULL);
VoxelBlock *block = memnew(VoxelBlock);
block->pos = bpos;
block->lod_index = p_lod_index;
block->_position_in_voxels = bpos * (size << p_lod_index);
block->voxels = buffer;
return block;
}
VoxelBlock::VoxelBlock() :
voxels(NULL) {
}
VoxelBlock::~VoxelBlock() {
VisualServer &vs = *VisualServer::get_singleton();
if (_mesh_instance.is_valid()) {
vs.free(_mesh_instance);
_mesh_instance = RID();
}
}
void VoxelBlock::set_mesh(Ref<Mesh> mesh, Ref<World> world) {
VisualServer &vs = *VisualServer::get_singleton();
if (mesh.is_valid()) {
if (_mesh_instance.is_valid() == false) {
// Create instance if it doesn't exist
ERR_FAIL_COND(world.is_null());
_mesh_instance = vs.instance_create();
vs.instance_set_scenario(_mesh_instance, world->get_scenario());
}
vs.instance_set_base(_mesh_instance, mesh.is_valid() ? mesh->get_rid() : RID());
Transform local_transform(Basis(), _position_in_voxels.to_vec3());
vs.instance_set_transform(_mesh_instance, local_transform);
// TODO The day VoxelTerrain becomes a Spatial, this transform will need to be updatable separately
} else {
if (_mesh_instance.is_valid()) {
// Delete instance if it exists
vs.free(_mesh_instance);
_mesh_instance = RID();
}
}
_mesh = mesh;
++_mesh_update_count;
// if(_mesh_update_count > 1) {
// print_line(String("Block {0} was updated {1} times").format(varray(pos.to_vec3(), _mesh_update_count)));
// }
}
bool VoxelBlock::has_mesh() const {
return _mesh.is_valid();
}
void VoxelBlock::set_mesh_state(MeshState ms) {
_mesh_state = ms;
}
VoxelBlock::MeshState VoxelBlock::get_mesh_state() const {
return _mesh_state;
}
void VoxelBlock::mark_been_meshed() {
_has_been_meshed = true;
}
bool VoxelBlock::has_been_meshed() const {
return _has_been_meshed;
}
void VoxelBlock::enter_world(World *world) {
if (_mesh_instance.is_valid()) {
VisualServer &vs = *VisualServer::get_singleton();
vs.instance_set_scenario(_mesh_instance, world->get_scenario());
}
}
void VoxelBlock::exit_world() {
if (_mesh_instance.is_valid()) {
VisualServer &vs = *VisualServer::get_singleton();
vs.instance_set_scenario(_mesh_instance, RID());
}
}
void VoxelBlock::set_visible(bool visible) {
if (_mesh_instance.is_valid()) {
VisualServer &vs = *VisualServer::get_singleton();
vs.instance_set_visible(_mesh_instance, visible);
}
_visible = visible;
}
bool VoxelBlock::is_visible() const {
return _visible;
}