2012-07-27 16:13:25 -07:00
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-- painting - in-game painting for minetest-c55
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-- THIS MOD CODE AND TEXTURES LICENSED
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-- <3 TO YOU <3
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-- UNDER TERMS OF GPL LICENSE
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-- 2012 obneq aka jin xi
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-- a picture is drawn using a node(box) to draw the supporting canvas
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-- and an entity which has the painting as its texture.
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-- this texture is created by minetest-c55's internal image
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-- compositing engine (see tile.cpp).
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2012-07-27 16:42:13 -07:00
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dofile(minetest.get_modpath("painting").."/crafts.lua")
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2012-07-27 16:13:25 -07:00
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textures = {
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white = "white.png", yellow = "yellow.png",
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orange = "orange.png", red = "red.png",
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violet = "violet.png", blue = "blue.png",
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2012-07-27 16:42:48 -07:00
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green = "green.png", magenta = "pink.png",
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2012-07-27 16:13:25 -07:00
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cyan = "cyan.png", lightgrey = "lightgrey.png",
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darkgrey = "darkgrey.png", black = "black.png"
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}
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res = 16
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thickness = 0.1
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-- picture node
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picbox = {
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type = "fixed",
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2012-07-29 04:09:57 -07:00
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fixed = { -0.499, -0.499, 0.499, 0.499, 0.499, 0.499 - thickness }
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2012-07-27 16:13:25 -07:00
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}
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picnode = {
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description = 'pic',
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tiles = { "white.png" },
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inventory_image = "painted.png",
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drawtype = "nodebox",
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sunlight_propagates = true,
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paramtype = 'light',
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paramtype2 = "facedir",
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node_box = picbox,
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selection_box = picbox,
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groups = { snappy = 2, choppy = 2, oddly_breakable_by_hand = 2 },
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--handle that right below, don't drop anything
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drop = "",
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after_dig_node=function(pos, oldnode, oldmetadata, digger)
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--find and remove the entity
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local objects = minetest.env:get_objects_inside_radius(pos, 0.5)
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for _, e in ipairs(objects) do
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if e:get_luaentity().name == "painting:picent" then
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e:remove()
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end
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end
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--put picture data back into inventory item
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local data = oldmetadata.fields["painting:picturedata"]
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local item = { name = "painting:paintedcanvas", count = 1, metadata = data }
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digger:get_inventory():add_item("main", item)
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end
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}
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-- picture texture entity
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picent = {
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collisionbox = { 0,0,0,0,0,0 },
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visual = "upright_sprite",
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textures = { "white.png" },
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on_activate = function(self, staticdata)
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local pos = self.object:getpos()
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local meta = minetest.env:get_meta(pos)
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local data = meta:get_string("painting:picturedata")
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2012-07-27 18:53:24 -07:00
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if not data then return end
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data = minetest.deserialize(data)
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data = to_imagestring(data)
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self.object:set_properties({textures = { data }})
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2012-07-27 16:13:25 -07:00
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end
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}
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--paintedcanvas picture inventory item
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paintedcanvas = {
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inventory_image = "painted.png",
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stack_max = 1,
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on_place = function(itemstack, placer, pointed_thing)
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--place node
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local placerpos = placer:getpos()
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local pos = pointed_thing.above
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local dir = {x = pos.x - placerpos.x, y = pos.y - placerpos.y, z = pos.z - placerpos.z}
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local fd = minetest.dir_to_facedir(dir)
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local pic = minetest.env:add_node(pos, { name = "painting:pic",
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param2 = fd,
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paramtype2 = 'none' })
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2012-07-29 05:08:53 -07:00
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--save metadata
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local data = itemstack:get_metadata()
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2012-07-27 16:13:25 -07:00
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local meta = minetest.env:get_meta(pos)
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meta:set_string("painting:picturedata", data)
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2012-07-29 05:08:53 -07:00
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--add entity
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dir = dirs.z[fd]
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2012-07-27 16:13:25 -07:00
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local off = 0.5-thickness-0.01
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2012-07-29 05:08:53 -07:00
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local np = { x = pos.x + dir.x*off,
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y = pos.y,
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z = pos.z + dir.z*off}
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2012-07-27 16:13:25 -07:00
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2012-07-29 05:08:53 -07:00
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data = minetest.deserialize(data)
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2012-07-27 18:53:24 -07:00
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data = to_imagestring(data)
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2012-07-27 16:13:25 -07:00
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local p = minetest.env:add_entity(np, "painting:picent"):get_luaentity()
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p.object:set_properties({textures = { data }})
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p.object:setyaw(math.pi*fd/-2)
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return ItemStack("")
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end
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}
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--canvas inventory item
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canvas = {
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inventory_image = "default_paper.png",
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stack_max = 99,
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}
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--canvas for drawing
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canvasbox = {
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type = "fixed",
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fixed = { -0.5, -0.5, 0.0, 0.5, 0.5, thickness }
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}
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canvasnode = {
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description = 'canvas',
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tiles = { "white.png" },
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inventory_image = "painted.png",
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drawtype = "nodebox",
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sunlight_propagates = true,
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paramtype = 'light',
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paramtype2 = "facedir",
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node_box = canvasbox,
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selection_box = canvasbox,
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groups = { snappy = 2, choppy = 2, oddly_breakable_by_hand = 2 },
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drop = "",
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can_dig = function ()
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return true
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end,
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on_construct = function(pos)
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local node = minetest.env:get_node(pos)
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local fd = node.param2
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2012-07-29 03:56:16 -07:00
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local dir = dirs.x[fd]
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2012-07-29 04:01:56 -07:00
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local off = -(0.5 - 1/(res*2))
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2012-07-28 07:35:55 -07:00
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local master
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2012-07-27 16:13:25 -07:00
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for y = 0, res-1 do
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for x = 0, res-1 do
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2012-07-29 03:56:16 -07:00
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local np = { x = pos.x + off*dir.x + x/res*dir.x,
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y = pos.y - off - y/res,
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z = pos.z + off*dir.z + x/res*dir.z }
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2012-07-27 16:13:25 -07:00
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2012-07-27 18:53:24 -07:00
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local p = "painting:pixel_white"
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2012-07-27 16:42:13 -07:00
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p = minetest.env:add_entity(np, p):get_luaentity()
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2012-07-28 07:35:55 -07:00
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if x==0 and y == 0 then
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p.grid = initgrid()
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master = p
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else
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p.grid = nil
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end
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p.parent = master
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2012-07-27 16:13:25 -07:00
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p.object:setyaw(math.pi*fd/-2)
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p.pos={x=x, y=y}
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p.name="easel"
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end
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end
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end,
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after_dig_node=function(pos, oldnode, oldmetadata, digger)
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2012-07-28 07:35:55 -07:00
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--get data and remove pixels
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local data
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2012-07-28 02:21:51 -07:00
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local objects = minetest.env:get_objects_inside_radius(pos, 1)
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for _, e in ipairs(objects) do
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2012-07-28 07:35:55 -07:00
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e = e:get_luaentity()
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if e.name == "easel" then
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if e.grid then
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data = e.grid
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end
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e.object:remove()
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2012-07-27 16:13:25 -07:00
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end
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end
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2012-07-28 07:35:55 -07:00
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if data then
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local item = { name = "painting:paintedcanvas", count = 1, metadata = minetest.serialize(data) }
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digger:get_inventory():add_item("main", item)
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end
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2012-07-27 16:13:25 -07:00
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end
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}
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-- easel
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easelbox = {
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type="fixed",
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fixed = {
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--feet
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{-0.4, -0.5, -0.5, -0.3, -0.4, 0.5 },
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{ 0.3, -0.5, -0.5, 0.4, -0.4, 0.5 },
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--legs
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{-0.4, -0.4, 0.1, -0.3, 1.5, 0.2 },
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{ 0.3, -0.4, 0.1, 0.4, 1.5, 0.2 },
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--shelf
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{-0.5, 0.35, -0.3, 0.5, 0.45, 0.1 }
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}
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}
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easel = {
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description = 'easel',
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tiles = { "default_wood.png" },
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drawtype = "nodebox",
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sunlight_propagates = true,
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paramtype = 'light',
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paramtype2 = "facedir",
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node_box = easelbox,
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selection_box = easelbox,
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groups = { snappy = 2, choppy = 2, oddly_breakable_by_hand = 2 },
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on_punch = function(pos, node, player)
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local wielded = player:get_wielded_item():get_name()
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if wielded ~= 'painting:canvas' then
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return
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end
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local meta = minetest.env:get_meta(pos)
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local np = { x = pos.x, y = pos.y+1, z = pos.z }
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if minetest.env:get_node(np).name == "air" then
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minetest.env:add_node(np, { name = "painting:canvasnode",
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param2 = node["param2"],
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paramtype2 = 'none' })
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end
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meta:set_int("has_canvas", 1)
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local itemstack = ItemStack("painting:canvas")
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player:get_inventory():remove_item("main", itemstack)
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end,
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can_dig = function(pos,player)
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local meta = minetest.env:get_meta(pos)
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local inv = meta:get_inventory()
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if meta:get_int("has_canvas") == 0 then
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return true
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end
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return false
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end
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}
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--pixel and brushes
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local c = 1/(res*2)
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local p = "white.png"
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pixel = {
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physical = true,
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collisionbox = { -c, -c, -c, c, c, c },
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visual = "cube",
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textures = { p, p, p, p, p, p },
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visual_size = { x = 1/res, y = 1/res },
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automatic_rotate = false,
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on_punch = function(self, hitter)
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local name = hitter:get_wielded_item():get_name()
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name = string.split(name, "_")[2]
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2012-07-28 07:35:55 -07:00
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self.parent.grid[self.pos.x][self.pos.y]=colors[name]
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2012-07-27 16:13:25 -07:00
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local p = textures[name]
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if p then
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self.object:set_properties({textures = { p, p, p, p, p, p }})
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end
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end
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}
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brush = {
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description = "brush",
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inventory_image = "default_tool_steelaxe.png",
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wield_image = "",
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wield_scale = {x=1,y=1,z=1},
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stack_max = 99,
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liquids_pointable = false,
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tool_capabilities = {
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full_punch_interval = 1.0,
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max_drop_level=0,
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groupcaps={
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-- For example:
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fleshy={times={[2]=0.80, [3]=0.40}, maxwear=0.05, maxlevel=1},
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snappy={times={[2]=0.80, [3]=0.40}, maxwear=0.05, maxlevel=1},
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choppy={times={[3]=0.90}, maxwear=0.05, maxlevel=0}
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}
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}
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}
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minetest.register_entity("painting:picent", picent)
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minetest.register_node("painting:pic", picnode)
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minetest.register_craftitem("painting:canvas", canvas)
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minetest.register_craftitem("painting:paintedcanvas", paintedcanvas)
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minetest.register_node("painting:canvasnode", canvasnode)
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minetest.register_node("painting:easel", easel)
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2012-07-27 18:53:24 -07:00
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colors = {}
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revcolors = {}
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for color, _ in pairs(textures) do
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table.insert(revcolors, color)
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2012-07-27 16:13:25 -07:00
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minetest.register_entity("painting:pixel_"..color, pixel)
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minetest.register_tool("painting:brush_"..color, brush)
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end
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2012-07-27 18:53:24 -07:00
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for i, color in ipairs(revcolors) do
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colors[color] = i
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end
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2012-07-27 16:13:25 -07:00
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minetest.register_alias('easel', 'painting:easel')
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minetest.register_alias('canvas', 'painting:canvas')
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function initgrid()
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2012-07-28 07:35:55 -07:00
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local grid, x, y = {}
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2012-07-27 16:13:25 -07:00
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for x = 0, res-1 do
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grid[x] = {}
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for y = 0, res-1 do
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2012-07-27 18:53:24 -07:00
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grid[x][y] = colors["white"]
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end
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end
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2012-07-28 07:35:55 -07:00
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return grid
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2012-07-27 18:53:24 -07:00
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end
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function to_imagestring(data)
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if not data then return end
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local imagestring = "[combine:"..res.."x"..res..":"
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for y = 0, res-1 do
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|
|
for x = 0, res-1 do
|
2012-07-28 07:35:55 -07:00
|
|
|
imagestring = imagestring..x..","..y.."="..revcolors[ data[x][y] ]..".png:"
|
2012-07-27 16:13:25 -07:00
|
|
|
end
|
|
|
|
end
|
2012-07-27 18:53:24 -07:00
|
|
|
return imagestring
|
2012-07-27 16:13:25 -07:00
|
|
|
end
|
2012-07-29 03:56:16 -07:00
|
|
|
|
|
|
|
dirs = {
|
|
|
|
x = {
|
2012-07-29 05:08:53 -07:00
|
|
|
[0] = {x = 1, z = 0},
|
|
|
|
[1] = {x = 0, z =-1},
|
|
|
|
[2] = {x =-1, z = 0},
|
|
|
|
[3] = {x = 0, z = 1}},
|
2012-07-29 03:56:16 -07:00
|
|
|
z = {
|
2012-07-29 05:08:53 -07:00
|
|
|
[0] = {x = 0, z = 1},
|
|
|
|
[1] = {x = 1, z = 0},
|
|
|
|
[2] = {x = 0, z =-1},
|
|
|
|
[3] = {x =-1, z = 0}}}
|