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