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Paradise/code/datums/spell_targeting/cone.dm
DGamerL 9c9bdabca5 Fixes cone spells accidentally going diagonal (#28077)
* Diagonal fixes

* Better fix
2025-01-25 19:30:17 +00:00

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/datum/spell_targeting/cone
max_targets = INFINITY
use_intercept_click = TRUE
/// This controls how many levels the cone has. Increase this value to make a bigger cone.
var/cone_levels = 3
/// This value determines if the cone penetrates walls.
var/respect_density = FALSE
/datum/spell_targeting/cone/choose_targets(mob/user, datum/spell/spell, params, atom/clicked_atom)
var/list/turfs_to_return = list()
var/turf/turf_to_use = get_turf(user)
var/turf/left_turf
var/turf/right_turf
var/dir_to_use = user.dir
var/right_dir
var/left_dir
switch(dir_to_use)
if(NORTH)
left_dir = WEST
right_dir = EAST
if(SOUTH)
left_dir = EAST
right_dir = WEST
if(EAST)
left_dir = NORTH
right_dir = SOUTH
if(WEST)
left_dir = SOUTH
right_dir = NORTH
// Go though every level of the cone levels and generate the cone.
for(var/level in 1 to cone_levels)
var/list/level_turfs = list()
// Our center turf always exists, it's straight ahead of the caster.
turf_to_use = get_step(turf_to_use, dir_to_use)
level_turfs += turf_to_use
// Level 1 only ever has 1 turf, it's a cone.
if(level != 1)
var/level_width_in_each_direction = round((calculate_cone_shape(level) - 1) / 2)
left_turf = turf_to_use
right_turf = turf_to_use
// Check turfs to the left...
for(var/left_of_center in 1 to level_width_in_each_direction)
if(respect_density && left_turf.density)
break
left_turf = get_step(left_turf, left_dir)
level_turfs += left_turf
// And turfs to the right.
for(var/right_of_enter in 1 to level_width_in_each_direction)
if(respect_density && right_turf.density)
break
right_turf = get_step(right_turf, right_dir)
level_turfs += right_turf
// Add the list of all turfs on this level to the turfs to return
turfs_to_return += list(level_turfs)
// If we're at the last level, we're done
if(level == cone_levels)
break
// But if we're not at the last level, we should check that we can keep going
if(respect_density && turf_to_use.density)
break
return turfs_to_return
/**
* Adjusts the width of the cone at the passed level.
* This is never called on the first level of the cone (level 1 is always 1 width)
*
* Return a number - the TOTAL width of the cone at the passed level.
*/
/datum/spell_targeting/cone/proc/calculate_cone_shape(current_level)
// Default formula: (1 (innate) -> 3 -> 5 -> 5 -> 7 -> 7 -> 9 -> 9 -> ...)
return current_level + (current_level % 2) + 1