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69 lines
1.1 KiB
C++
69 lines
1.1 KiB
C++
/*
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*/
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#pragma once
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#if INTELLISENSE_DIRECTIVES
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#include "platform/platform.hpp"
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#include "engine_module.hpp"
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#endif
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NS_ENGINE_BEGIN
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// TODO(Ed) : I switch the tile coordinates to signed values, I'm clamping rn to force positive
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struct TileChunk
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{
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s32* tiles;
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};
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/*
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This is a "backend" transient datatype for handling lookup of tile data from "chunks" of tiles.
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*/
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struct TileChunkPosition
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{
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s32 tile_chunk_x;
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s32 tile_chunk_y;
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s32 tile_chunk_z;
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// "Chunk-relative (x, y)
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s32 tile_x;
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s32 tile_y;
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};
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struct TileMap
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{
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// TODO(Ed) : Beginner's sparseness
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s32 tile_chunks_num_x;
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s32 tile_chunks_num_y;
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s32 tile_chunks_num_z;
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f32 tile_size_in_meters;
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// TODO(Ed) : Real sparseness ? (not use the giant pointer array)
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s32 chunk_shift;
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s32 chunk_mask;
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s32 chunk_dimension;
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TileChunk* chunks;
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};
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struct TileMapPosition
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{
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// Note(Ed) : Relative position from tile center.
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f32 x;
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f32 y;
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// "World-relative (x, y), AKA: Absolute Position
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// Fixed point tile locations.
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// High bits are the tile-chunk index, and the low bits are the tile index in the chunk.
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s32 tile_x;
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s32 tile_y;
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s32 tile_z;
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};
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NS_ENGINE_END
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