139 lines
3.7 KiB
Lua
139 lines
3.7 KiB
Lua
-- LUALOCALS < ---------------------------------------------------------
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local ipairs, math, minetest, nodecore, vector
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= ipairs, math, minetest, nodecore, vector
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local math_floor, math_random
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= math.floor, math.random
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-- LUALOCALS > ---------------------------------------------------------
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local pummeling = {}
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local function fxcore(pname, pointed, img)
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img = img .. "^[mask:[combine\\:16x16\\:"
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.. math_floor(math_random() * 12) .. ","
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.. math_floor(math_random() * 12) .. "=nc_api_pummel.png"
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minetest.log(img)
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local a = pointed.above
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local b = pointed.under
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local vel = vector.subtract(a, b)
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local mid = vector.multiply(vector.add(a, b), 0.5)
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local p1 = {x = vel.y, y = vel.z, z = vel.x}
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local p2 = {x = vel.z, y = vel.x, z = vel.y}
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local s1 = vector.add(vector.add(mid, vector.multiply(p1, 0.5)), vector.multiply(p2, 0.5))
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local s2 = vector.add(vector.add(mid, vector.multiply(p1, -0.5)), vector.multiply(p2, -0.5))
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vel = vector.multiply(vel, 0.5)
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return minetest.add_particlespawner({
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amount = 5,
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time = 1.5,
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minpos = s1,
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maxpos = s2,
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minvel = vel,
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maxvel = vel,
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minexptime = 0.4,
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maxexptime = 0.9,
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minsize = 1,
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maxsize = 5,
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texture = img,
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playername = pname
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})
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end
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local function particlefx(pname, pointed, def)
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local img = {}
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if def.tiles then
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for i = 1, 6 do
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img[#img + 1] = def.tiles[i > #def.tiles and #def.tiles or i]
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end
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elseif def.inventory_image then
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img[1] = def.inventory_image
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end
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if #img < 1 then return minetest.log("no pummel tile images found!") end
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img = nodecore.pickrand(img)
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if img.name then img = img.name end
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for i = 1, 4 do fxcore(pname, pointed, img) end
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end
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minetest.register_on_punchnode(function(pos, node, puncher, pointed)
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if not puncher:is_player() then return end
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local pname = puncher:get_player_name()
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node = node or minetest.get_node(pos)
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local def = minetest.registered_nodes[node.name]
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if not def.pummeldefs then return end
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local now = minetest.get_us_time() / 1000000
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local pum = {
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puncher = puncher,
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pname = pname,
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pos = pos,
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pointed = pointed,
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node = node,
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def = def,
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start = now,
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wield = puncher:get_wielded_item():to_string(),
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count = 0
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}
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local old = pummeling[pname]
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local hash = minetest.hash_node_position
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if old and hash(old.pos) == hash(pum.pos)
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and hash(old.pointed.above) == hash(pum.pointed.above)
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and hash(old.pointed.under) == hash(pum.pointed.under)
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and pum.wield == old.wield
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and old.last >= (now - 2)
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then pum = old end
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pum.count = pum.count + 1
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pum.last = now
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pum.duration = now - pum.start
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pummeling[pname] = pum
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local resolve
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for i, v in ipairs(def.pummeldefs) do
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if not resolve then
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local ok = v.check(pos, node, pum)
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if ok then
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resolve = v.resolve
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pum.check = ok
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end
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end
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end
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if not resolve then
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pummeling[pname] = nil
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return
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end
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if pum.count > 1 then
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if pum.particles then minetest.delete_particlespawner(pum.particles) end
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pum.particles = particlefx(pname, pointed, def)
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end
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if resolve(pos, node, pum) then
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if pum.particles then minetest.delete_particlespawner(pum.particles) end
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nodecore.player_knowledge_add(puncher, "pummel:" .. node.name)
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pummeling[pname] = nil
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end
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end)
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function nodecore.add_pummel(nodedef, check, resolve)
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nodedef.pummeldefs = nodedef.pummeldefs or {}
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nodedef.pummeldefs[#nodedef.pummeldefs + 1] = {
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check = check,
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resolve = resolve
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}
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end
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function nodecore.extend_pummel(name, check, resolve)
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nodecore.extend_item(name, function(copy)
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return nodecore.add_pummel(copy, check, resolve)
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end)
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end
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function nodecore.pummel_toolspeed(pos, node, stats)
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return nodecore.toolspeed(
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stats.puncher:get_wielded_item(),
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stats.def.groups
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)
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end
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