@ -39,7 +39,7 @@ local TOWER_SPECS = {
} , } ,
[ TOWER_TYPE.HOWITZER ] = { [ TOWER_TYPE.HOWITZER ] = {
name = " Howitzer " , name = " Howitzer " ,
placement_rules_text = " Place on non-Water, non-Mountain " ,
placement_rules_text = " Place on Ground, with a 1 space gap between other towers and mountains - walls/moats don't count. " ,
short_description = " Medium-range, medium fire-rate area of effect artillery tower. " , short_description = " Medium-range, medium fire-rate area of effect artillery tower. " ,
texture = TEXTURES.TOWER_HOWITZER , texture = TEXTURES.TOWER_HOWITZER ,
icon_texture = TEXTURES.TOWER_HOWITZER_ICON , icon_texture = TEXTURES.TOWER_HOWITZER_ICON ,
@ -51,11 +51,11 @@ local TOWER_SPECS = {
} , } ,
[ TOWER_TYPE.REDEYE ] = { [ TOWER_TYPE.REDEYE ] = {
name = " Redeye " , name = " Redeye " ,
placement_rules_text = " Place on Mountains " ,
placement_rules_text = " Place on Mountains. " ,
short_description = " Long-range, penetrating high-velocity laser tower. " , short_description = " Long-range, penetrating high-velocity laser tower. " ,
texture = TEXTURES.TOWER_REDEYE , texture = TEXTURES.TOWER_REDEYE ,
icon_texture = TEXTURES.TOWER_REDEYE_ICON , icon_texture = TEXTURES.TOWER_REDEYE_ICON ,
cost = 140 ,
cost = 75 ,
range = 9 , range = 9 ,
fire_rate = 3 , fire_rate = 3 ,
size = 0 , size = 0 ,
@ -451,6 +451,9 @@ function tower_type_is_buildable_on(hex, tile, tower_type)
-- this function gets polled a lot, and sometimes with nil/false tower types -- this function gets polled a lot, and sometimes with nil/false tower types
if not tower_type then return false end if not tower_type then return false end
-- you can't build anything in the center
if hex == HEX_GRID_CENTER then return false end
local blocking_towers = { } local blocking_towers = { }
local blocking_mobs = { } local blocking_mobs = { }
local has_water = false local has_water = false
@ -481,17 +484,50 @@ function tower_type_is_buildable_on(hex, tile, tower_type)
local mobs_blocking = table.count ( blocking_mobs ) ~= 0 local mobs_blocking = table.count ( blocking_mobs ) ~= 0
local blocked = mobs_blocking or towers_blocking local blocked = mobs_blocking or towers_blocking
-- @TODO i think the howitzer and gattler should not be placeable next to other towers other than the wall and moat, and perhaps not next to mountains either
if tower_type == TOWER_TYPE.GATTLER then if tower_type == TOWER_TYPE.GATTLER then
local has_mountain_neighbour = false
local has_non_wall_non_moat_tower_neighbour = false
for _ , h in pairs ( hex_neighbours ( hex ) ) do
local tile = hex_map_get ( state.map , h )
if tile and tile.elevation >= 0.5 then
has_mountain_neighbour = true
break
end
end
return not ( blocked or has_water or has_mountain ) return not ( blocked or has_water or has_mountain )
elseif tower_type == TOWER_TYPE.HOWITZER then elseif tower_type == TOWER_TYPE.HOWITZER then
return not ( blocked or has_water or has_mountain )
local has_mountain_neighbour = false
local has_non_wall_non_moat_tower_neighbour = false
for _ , h in pairs ( hex_neighbours ( hex ) ) do
local towers = towers_on_hex ( h )
local wall_on_hex = false
has_non_wall_non_moat_tower_neighbour = table.find ( towers , function ( tower )
if tower.type == TOWER_TYPE.WALL then
wall_on_hex = true
return false
elseif tower.type == TOWER_TYPE.MOAT then
return false
end
return true
end )
if has_non_wall_non_moat_tower_neighbour then
break
end
local tile = hex_map_get ( state.map , h )
if not wall_on_hex and tile and tile.elevation >= 0.5 then
has_mountain_neighbour = true
break
end
end
return not ( blocked or has_water or has_mountain or has_mountain_neighbour or has_non_wall_non_moat_tower_neighbour )
elseif tower_type == TOWER_TYPE.REDEYE then elseif tower_type == TOWER_TYPE.REDEYE then
return not blocked return not blocked
and not has_water
and not has_ground
and has_mountain and has_mountain
elseif tower_type == TOWER_TYPE.LIGHTHOUSE then elseif tower_type == TOWER_TYPE.LIGHTHOUSE then
