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71a7bb9223
* Atomization * atomization + possible fix + changelog * Update html/changelogs/FluffyGhost-shave_process_spatial_gridmap.yml Co-authored-by: Cody Brittain <cbrittain10@yahoo.com> --------- Co-authored-by: FluffyGhost <FluffyGhost> Co-authored-by: Cody Brittain <cbrittain10@yahoo.com>
55 lines
2.0 KiB
Plaintext
55 lines
2.0 KiB
Plaintext
// Each cell in a spatial_grid is this many turfs in length and width
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#define SPATIAL_GRID_CELLSIZE 17
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#define SPATIAL_GRID_CELLS_PER_SIDE(world_bounds) ROUND_UP((world_bounds) / SPATIAL_GRID_CELLSIZE)
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#define SPATIAL_GRID_CHANNELS 2
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// grid contents channels
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// Everything that is hearing sensitive is stored in this channel
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#define SPATIAL_GRID_CONTENTS_TYPE_HEARING RECURSIVE_CONTENTS_HEARING_SENSITIVE
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// Every movable that has a client in it is stored in this channel
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#define SPATIAL_GRID_CONTENTS_TYPE_CLIENTS RECURSIVE_CONTENTS_CLIENT_MOBS
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// Every /mob is stored in this channel
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#define SPATIAL_GRID_CONTENTS_TYPE_TARGETS RECURSIVE_CONTENTS_AI_TARGETS
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// Whether movable is itself or containing something which should be in one of the spatial grid channels
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#define HAS_SPATIAL_GRID_CONTENTS(movable) (movable.important_recursive_contents && \
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(movable.important_recursive_contents[RECURSIVE_CONTENTS_HEARING_SENSITIVE] || movable.important_recursive_contents[RECURSIVE_CONTENTS_CLIENT_MOBS] || movable.important_recursive_contents[RECURSIVE_CONTENTS_AI_TARGETS]))
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/**
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* Checks if two atoms are in line of sight (can see each other)
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*
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* * RETURN_VALUE - Where to store the result of this check (TRUE if LoS, FALSE otherwise)
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* * source - Source atom
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* * target - Target atom
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* * view_radius - How far the atom can see, usually you want to use `world.view` for the default value
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*/
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#define SPATIAL_CHECK_LOS(RETURN_VALUE, source, target, view_radius)\
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do{\
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var/turf/source_turf = get_turf(source);\
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var/turf/target_turf = get_turf(target);\
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var/distance = get_dist(source_turf, target_turf);\
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if(distance > view_radius){\
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RETURN_VALUE = FALSE;\
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break;\
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}\
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if(distance < 2){\
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RETURN_VALUE = TRUE;\
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break;\
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}\
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for(var/step_counter in 1 to distance){\
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source_turf = get_step_towards(source_turf, target_turf);\
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if(source_turf == target_turf){\
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RETURN_VALUE = TRUE;\
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break;\
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}\
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if(IS_OPAQUE_TURF(source_turf)){\
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RETURN_VALUE = FALSE;\
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break;\
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}\
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}\
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} while(FALSE)
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