106 lines
3.0 KiB
C++
106 lines
3.0 KiB
C++
#ifndef VOXEL_BLOCK_H
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#define VOXEL_BLOCK_H
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#include "../cube_tables.h"
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#include "../util/direct_mesh_instance.h"
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#include "../util/direct_static_body.h"
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#include "../util/fixed_array.h"
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#include "../voxel_buffer.h"
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//#define VOXEL_DEBUG_LOD_MATERIALS
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class Spatial;
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// Internal structure holding a reference to mesh visuals, physics and a block of voxel data.
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class VoxelBlock {
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public:
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enum MeshState {
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MESH_NEVER_UPDATED = 0, // TODO Redundant with MESH_NEED_UPDATE?
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MESH_UP_TO_DATE,
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MESH_NEED_UPDATE, // The mesh is out of date but was not yet scheduled for update
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MESH_UPDATE_NOT_SENT, // The mesh is out of date and was scheduled for update, but no request have been sent yet
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MESH_UPDATE_SENT // The mesh is out of date, and an update request was sent, pending response
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};
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Ref<VoxelBuffer> voxels;
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Vector3i position;
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unsigned int lod_index = 0;
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bool pending_transition_update = false;
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static VoxelBlock *create(Vector3i bpos, Ref<VoxelBuffer> buffer, unsigned int size, unsigned int p_lod_index);
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~VoxelBlock();
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// Visuals and physics
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void set_world(Ref<World> p_world);
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void set_mesh(Ref<Mesh> mesh, Spatial *node, bool generate_collision, Array surface_arrays, bool debug_collision);
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void set_transition_mesh(Ref<Mesh> mesh, int side);
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bool has_mesh() const;
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void set_shader_material(Ref<ShaderMaterial> material);
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inline Ref<ShaderMaterial> get_shader_material() const { return _shader_material; }
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void set_mesh_state(MeshState ms);
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MeshState get_mesh_state() const;
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void set_visible(bool visible);
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bool is_visible() const;
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void set_parent_visible(bool parent_visible);
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void set_transition_mask(uint8_t m);
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//void set_transition_bit(uint8_t side, bool value);
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inline uint8_t get_transition_mask() const { return _transition_mask; }
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// Voxel data
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void set_needs_lodding(bool need_lodding);
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inline bool get_needs_lodding() const { return _needs_lodding; }
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bool is_modified() const;
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void set_modified(bool modified);
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private:
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VoxelBlock();
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void _set_visible(bool visible);
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inline bool _is_transition_visible(int side) const { return _transition_mask & (1 << side); }
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inline void set_mesh_instance_visible(DirectMeshInstance &mi, bool visible) {
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if (visible) {
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mi.set_world(*_world);
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} else {
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mi.set_world(nullptr);
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}
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}
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private:
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Vector3i _position_in_voxels;
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Ref<ShaderMaterial> _shader_material;
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DirectMeshInstance _mesh_instance;
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FixedArray<DirectMeshInstance, Cube::SIDE_COUNT> _transition_mesh_instances;
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DirectStaticBody _static_body;
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Ref<World> _world;
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#ifdef VOXEL_DEBUG_LOD_MATERIALS
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Ref<Material> _debug_material;
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Ref<Material> _debug_transition_material;
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#endif
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int _mesh_update_count = 0;
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bool _visible = true;
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bool _parent_visible = true;
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MeshState _mesh_state = MESH_NEVER_UPDATED;
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uint8_t _transition_mask = 0;
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// The block was edited, which requires its LOD counterparts to be recomputed
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bool _needs_lodding = false;
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// Indicates if this block is different from the time it was loaded (should be saved)
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bool _modified = false;
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};
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#endif // VOXEL_BLOCK_H
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