110 lines
4.5 KiB
Lua
110 lines
4.5 KiB
Lua
-- assets/autotile :: The autotile object : this is an object that draw tiles
|
||
-- automatically with borders in rectangles.
|
||
-- It works with a 3×3 tileset showing all borders.
|
||
|
||
--[[
|
||
Copyright © 2019 Kazhnuz
|
||
|
||
Permission is hereby granted, free of charge, to any person obtaining a copy of
|
||
this software and associated documentation files (the "Software"), to deal in
|
||
the Software without restriction, including without limitation the rights to
|
||
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
|
||
the Software, and to permit persons to whom the Software is furnished to do so,
|
||
subject to the following conditions:
|
||
|
||
The above copyright notice and this permission notice shall be included in all
|
||
copies or substantial portions of the Software.
|
||
|
||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
|
||
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
|
||
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
|
||
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
||
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||
]]
|
||
|
||
local Tileset = require "core.modules.assets.tileset"
|
||
local Autotile = Object:extend()
|
||
|
||
function Autotile:new(filepath)
|
||
self.tileset = Tileset(filepath)
|
||
|
||
self.data = require(filepath .. ".lua")
|
||
self.metadata = self.data.metadata
|
||
|
||
self.tilesize = self.metadata.width
|
||
end
|
||
|
||
function Autotile:drawtile(i, j, x, y, r, sx, sy, ox, oy, kx, ky)
|
||
local i = i or 1
|
||
local j = j or 1
|
||
local tilesize = self.tilesize / 2
|
||
i = (i - 1) * 2 + 1
|
||
j = (j - 1) * 2 + 1
|
||
self.tileset:drawTile_Grid(i , j , x , y , r, sx, sy, ox, oy, kx, ky)
|
||
self.tileset:drawTile_Grid(i + 1, j , x + tilesize, y , r, sx, sy, ox, oy, kx, ky)
|
||
self.tileset:drawTile_Grid(i , j + 1, x , y + tilesize, r, sx, sy, ox, oy, kx, ky)
|
||
self.tileset:drawTile_Grid(i + 1, j + 1, x + tilesize, y + tilesize, r, sx, sy, ox, oy, kx, ky)
|
||
end
|
||
|
||
function Autotile:draw(x, y, w, h)
|
||
local w = w or self.tilesize
|
||
local h = h or self.tilesize
|
||
w = math.max(math.floor(w / self.tilesize), 1)
|
||
h = math.max(math.floor(h / self.tilesize), 1)
|
||
local halfsize = self.tilesize / 2
|
||
local tilesize = self.tilesize
|
||
if (w == 1) then
|
||
self.tileset:drawtile_Grid(1, 1, x , y)
|
||
self.tileset:drawtile_Grid(1, 6, x , y + (h*2 - 1) * halfsize)
|
||
self.tileset:drawtile_Grid(6, 1, x + (w*2 - 1) * halfsize, y)
|
||
self.tileset:drawtile_Grid(6, 6, x + (w*2 - 1) * halfsize, y + (h*2 - 1) * halfsize)
|
||
if (h > 1) then
|
||
h = h - 1
|
||
for i = 1, h do
|
||
self.tileset:drawtile_Grid(1, 3, x, y + (i * tilesize) - halfsize)
|
||
self.tileset:drawtile_Grid(6, 3, x + halfsize, y + (i * tilesize) - halfsize)
|
||
|
||
self.tileset:drawtile_Grid(1, 4, x , y + (i * tilesize))
|
||
self.tileset:drawtile_Grid(6, 4, x + halfsize, y + (i * tilesize))
|
||
end
|
||
end
|
||
-- draw just one stuff
|
||
else
|
||
if (h == 1) then
|
||
self.tileset:drawtile_Grid(1, 1, x , y)
|
||
self.tileset:drawtile_Grid(1, 6, x , y + (h*2 - 1) * halfsize)
|
||
self.tileset:drawtile_Grid(6, 1, x + (w*2 - 1) * halfsize, y)
|
||
self.tileset:drawtile_Grid(6, 6, x + (w*2 - 1) * halfsize, y + (h*2 - 1) * halfsize)
|
||
w = w - 1
|
||
for i = 1, w do
|
||
self.tileset:drawtile_Grid(3, 1, x + (i * tilesize) - halfsize, y)
|
||
self.tileset:drawtile_Grid(3, 6, x + (i * tilesize) - halfsize, y + halfsize)
|
||
|
||
self.tileset:drawtile_Grid(4, 1, x + (i * tilesize) , y )
|
||
self.tileset:drawtile_Grid(4, 6, x + (i * tilesize), y +halfsize)
|
||
end
|
||
else
|
||
self:drawtile(1, 1, x , y)
|
||
self:drawtile(1, 3, x , y + (h - 1) * tilesize)
|
||
self:drawtile(3, 1, x + (w - 1) * tilesize, y)
|
||
self:drawtile(3, 3, x + (w - 1) * tilesize, y + (h - 1) * tilesize)
|
||
w = w - 2
|
||
h = h - 2
|
||
for i=1, w do
|
||
self:drawtile(2, 1, i * tilesize, y)
|
||
self:drawtile(2, 3, i * tilesize, y + (h + 1) * tilesize)
|
||
for j=1, h do
|
||
self:drawtile(2, 2, i * tilesize, j * tilesize)
|
||
end
|
||
end
|
||
|
||
for i=1, h do
|
||
self:drawtile(1, 2, x , i * tilesize)
|
||
self:drawtile(3, 2, x + (w + 1) * tilesize, i * tilesize)
|
||
end
|
||
end
|
||
end
|
||
end
|
||
|
||
return Autotile
|