84 lines
3.9 KiB
C++
84 lines
3.9 KiB
C++
#pragma once
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#include "core/world/Area.hpp"
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#include "core/geometry/Frustum.hpp"
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#include "core/geometry/Ray.hpp"
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#include "core/geometry/Faces.hpp"
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#include "core/utils/flags.hpp"
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#include <glm/gtc/matrix_transform.hpp>
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namespace render {
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class Model;
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class LodModel;
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}
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/// Mesh creation (from world to render)
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namespace contouring {
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/// Generating mesh from world data
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class Abstract {
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public:
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Abstract() { }
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virtual ~Abstract() { }
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/// Each frame ping.
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/// Mostly used for cleanup and to flush buffers data using main thread
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virtual void update(const world::cell_pos &pos, const world::Elements &) = 0;
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/// Chunk data change
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/// @param offset priority position offset
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virtual void onUpdate(const world::area_chunk_pos &pos, glm::ll offset, const world::ChunkContainer &data, geometry::Faces neighbors) = 0;
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/// Chunk existante ping
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/// @note notify for chunks entering view while moving
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/// @param offset priority position offset
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virtual void onNotify(const world::area_chunk_pos &pos, glm::ll offset, const world::ChunkContainer &data) = 0;
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/// Part chunk data change
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/// @param offset priority position offset
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virtual void onNotify(const world::part_id&, glm::ll offset, const glm::ucvec3& size, const std::vector<std::shared_ptr<world::EdittableChunk>>&, bool update) = 0;
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/// Register model
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virtual void onLoad(const world::model_id&, std::istream&) = 0;
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/// Free model
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virtual void onUnload(const world::model_id&) = 0;
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/// Display ImGui config
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virtual void onGui() = 0;
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/// Get options
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virtual std::string getOptions() const = 0;
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/// Get camera recommended far_dist range
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virtual std::pair<float, float> getFarRange() const = 0;
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/// Get pending elements
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virtual size_t getQueueSize() = 0;
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/// Get max visible distance in chunks
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virtual uint16_t getVisibleDist() const = 0;
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struct area_info {
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world::transform absolute;
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world::cell_pos::value_type radius;
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float curvature;
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};
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using terrain_draw_call = const std::function<void(const glm::mat4&, render::LodModel *const, const area_info&, const world::voxel_pos& chunk_area_offset)> &;
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using unique_draw_call = const std::function<void(const glm::mat4&, render::Model *const)> &;
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using instanced_draw_call = const std::function<void(const std::vector<glm::mat4>&, render::Model *const)> &;
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/// Get buffers in frustum with model matrices
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/// @note buffers invalidated after update
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virtual void getTerrainModels(terrain_draw_call draw, const std::optional<geometry::Frustum>& frustum, const world::cell_pos& offset, bool solid) const = 0;
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/// Get buffers hitting occlusion rays with model matrices
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/// @note buffers invalidated after update
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virtual void getTerrainModels(terrain_draw_call draw, const world::world_pos &from, float far_dist, const std::vector<glm::vec3> &occlusion, const world::cell_pos&offset, bool solid) const = 0;
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/// Get buffer corresponding to part idx
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virtual render::Model* getModel(const world::part_id&) const = 0;
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/// Get buffers in frustum with model matrices
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/// @note buffers invalidated after update
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virtual void getUniqueModels(unique_draw_call draw, const world::Elements&, const std::optional<geometry::Frustum>& frustum, const world::cell_pos& offset) const = 0;
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/// Get buffer corresponding to model idx
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virtual render::Model* getModel(const world::model_id&) const = 0;
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/// Get buffers in frustum with model matrices
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/// @note buffers invalidated after update
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virtual void getInstancedModels(instanced_draw_call draw, const world::Elements&, const std::optional<geometry::Frustum>& frustum, const world::cell_pos& offset, world::node_id ignore) const = 0;
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};
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} |