96 lines
3.2 KiB
C
96 lines
3.2 KiB
C
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#ifndef TC_CHUNK_H
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#define TC_CHUNK_H
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#include <utility/location.h>
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#include <entity.h>
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typedef struct tc_chunk tc_chunk_s;
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typedef struct tc_chunkloader tc_chunkloader_s;
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struct tc_chunk
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{
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void *pool_entry;
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tc_chunk_location_s location;
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u32_t blocks[32][32][32];
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i32_t refcounter;
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u32_t num_vertices;
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f32_t *vertex_positions;
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f32_t *vertex_uvs;
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u32_t vao;
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u32_t vbo;
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bool_t is_renderable;
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};
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// tc_load_chunk_at: Looks if there's a chunk already loaded at 'location' and gets it if
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// there is one. If it isn't loaded, this function will return NULL. The reference counter
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// will be increased.
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tc_entity_s * tc_load_chunk_at (tc_chunk_location_s location);
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// tc_unload_chunk_at: Looks if there's a chunk already loaded at 'location' and decreases
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// the reference counter by one, possibly free'ing the chunk and its related structures.
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void tc_unload_chunk_at (tc_chunkloader_s *loader, tc_chunk_location_s location);
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bool_t tc_chunk_is_loaded (tc_chunk_location_s location);
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void tc_meshize_chunk (tc_chunk_s *chunk);
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void tc_upload_chunk (tc_chunk_s *chunk);
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typedef struct tc_chunklist_entry tc_chunklist_entry_s;
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typedef struct tc_chunklist tc_chunklist_s;
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struct tc_chunklist_entry
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{
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tc_chunklist_entry_s *next;
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tc_chunklist_entry_s *previous;
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tc_entity_s *entity;
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};
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struct tc_chunklist
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{
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tc_chunklist_entry_s *first;
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tc_chunklist_entry_s *first_free;
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u32_t capacity;
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tc_chunklist_entry_s *entries;
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};
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tc_chunklist_s tc_create_chunklist (u32_t capacity);
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void tc_delete_chunklist (tc_chunklist_s list);
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// tc_chunklist_remove_item: Adds a chunk to the chunklist.
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// THIS FUNCTION DOES NOT UPDATE THE REFERENCE COUNTER OF THE CHUNK!
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void tc_chunklist_add_item (tc_chunklist_s *list, tc_entity_s *chunk);
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// tc_chunklist_remove_item: Removes a chunk from the chunklist.
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// THIS FUNCTION DOES NOT UPDATE THE REFERENCE COUNTER OF THE CHUNK!
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void tc_chunklist_remove_item (tc_chunklist_s *list, tc_entity_s *chunk);
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tc_entity_s * tc_chunklist_find_chunk_at (tc_chunklist_s *list, tc_chunk_location_s location);
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struct tc_chunkloader
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{
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tc_chunk_location_s center;
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tc_vec3i_s extent;
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tc_chunklist_s chunklist;
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bool_t needs_reload;
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bool_t is_rendered;
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};
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tc_chunkloader_s tc_create_chunkloader (tc_chunk_location_s location);
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void tc_delete_chunkloader (tc_chunkloader_s chunkloader);
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void tc_draw_chunkloader_zone (tc_chunkloader_s *loader);
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#endif // TC_CHUNK_H
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