2ab298076c
* Fixes #3385. * Updated the header guard names to C++ standards. Thanks to @elfring's suggestion!
78 lines
2.5 KiB
C++
78 lines
2.5 KiB
C++
// Copyright (c) rAthena Dev Teams - Licensed under GNU GPL
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// For more information, see LICENCE in the main folder
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#ifndef PATH_HPP
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#define PATH_HPP
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#include "../common/cbasetypes.hpp"
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enum cell_chk : uint8;
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#define MOVE_COST 10
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#define MOVE_DIAGONAL_COST 14
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#define MAX_WALKPATH 32
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enum directions : int8 {
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DIR_CENTER = -1,
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DIR_NORTH = 0,
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DIR_NORTHWEST = 1,
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DIR_WEST = 2,
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DIR_SOUTHWEST = 3,
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DIR_SOUTH = 4,
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DIR_SOUTHEAST = 5,
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DIR_EAST = 6,
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DIR_NORTHEAST = 7,
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DIR_MAX
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};
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struct walkpath_data {
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unsigned char path_len,path_pos;
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enum directions path[MAX_WALKPATH];
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};
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struct shootpath_data {
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int rx,ry,len;
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int x[MAX_WALKPATH];
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int y[MAX_WALKPATH];
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};
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#define check_distance_bl(bl1, bl2, distance) check_distance((bl1)->x - (bl2)->x, (bl1)->y - (bl2)->y, distance)
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#define check_distance_blxy(bl, x1, y1, distance) check_distance((bl)->x-(x1), (bl)->y-(y1), distance)
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#define check_distance_xy(x0, y0, x1, y1, distance) check_distance((x0)-(x1), (y0)-(y1), distance)
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#define distance_bl(bl1, bl2) distance((bl1)->x - (bl2)->x, (bl1)->y - (bl2)->y)
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#define distance_blxy(bl, x1, y1) distance((bl)->x-(x1), (bl)->y-(y1))
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#define distance_xy(x0, y0, x1, y1) distance((x0)-(x1), (y0)-(y1))
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#define check_distance_client_bl(bl1, bl2, distance) check_distance_client((bl1)->x - (bl2)->x, (bl1)->y - (bl2)->y, distance)
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#define check_distance_client_blxy(bl, x1, y1, distance) check_distance_client((bl)->x-(x1), (bl)->y-(y1), distance)
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#define check_distance_client_xy(x0, y0, x1, y1, distance) check_distance_client((x0)-(x1), (y0)-(y1), distance)
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#define distance_client_bl(bl1, bl2) distance_client((bl1)->x - (bl2)->x, (bl1)->y - (bl2)->y)
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#define distance_client_blxy(bl, x1, y1) distance_client((bl)->x-(x1), (bl)->y-(y1))
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#define distance_client_xy(x0, y0, x1, y1) distance_client((x0)-(x1), (y0)-(y1))
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// calculates destination cell for knockback
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int path_blownpos(int16 m,int16 x0,int16 y0,int16 dx,int16 dy,int count);
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// tries to find a walkable path
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bool path_search(struct walkpath_data *wpd,int16 m,int16 x0,int16 y0,int16 x1,int16 y1,int flag,cell_chk cell);
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// tries to find a shootable path
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bool path_search_long(struct shootpath_data *spd,int16 m,int16 x0,int16 y0,int16 x1,int16 y1,cell_chk cell);
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// distance related functions
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bool check_distance(int dx, int dy, int distance);
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unsigned int distance(int dx, int dy);
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bool check_distance_client(int dx, int dy, int distance);
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int distance_client(int dx, int dy);
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bool direction_diagonal( enum directions direction );
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//
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void do_init_path();
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void do_final_path();
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#endif /* PATH_HPP */
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