Complete rewrite

ca_effects/particles.lua

@@ -0,0 +1,65 @@
+if not climate_mod.settings.particles then return end
+
+local function get_particle_texture(particles)
+	if type(particles.textures) == "nil" or next(particles.textures) == nil then
+		return particles.texture
+	end
+	return particles.textures[math.random(#particles.textures)]
+end
+
+local function spawn_particles(player, particles)
+	local ppos = player:getpos()
+	local wind_x = climate_mod.state:get_int("wind_x")
+	local wind_z = climate_mod.state:get_int("wind_z")
+	local wind = vector.new(wind_x, 0, wind_z)
+	local wind_pos = vector.multiply(wind, -1)
+	local wind_speed = vector.length(wind)
+
+	local texture = get_particle_texture(particles)
+
+	local minp = vector.add(vector.add(ppos, particles.min_pos), wind_pos)
+	local maxp = vector.add(vector.add(ppos, particles.max_pos), wind_pos)
+
+	local vel = vector.new({
+		x = wind.x,
+		y = -particles.falling_speed,
+		z = wind.z
+	})
+	local acc = vector.new({x=0, y=0, z=0})
+
+	local exp = particles.exptime
+	local vertical = math.abs(vector.normalize(vel).y) >= 0.6
+
+	minetest.add_particlespawner({
+		amount = particles.amount,
+		time = 0.5,
+		minpos = minp,
+		maxpos = maxp,
+		minvel = vel,
+		maxvel = vel,
+		minacc = acc,
+		maxacc = acc,
+		minexptime = exp,
+		maxexptime = exp,
+		minsize = particles.size,
+		maxsize = particles.size,
+		collisiondetection = true,
+		collision_removal = true,
+		vertical = vertical,
+		texture = texture,
+		player = player:get_player_name()
+	})
+end
+
+local function handle_effect(player_data)
+	for playername, data in pairs(player_data) do
+		minetest.chat_send_player(playername, "spam")
+		local player = minetest.get_player_by_name(playername)
+		for weather, value in pairs(data) do
+			spawn_particles(player, value)
+		end
+	end
+end
+
+climate_api.register_effect("climate_api:particles", handle_effect, "tick")
+climate_api.set_effect_cycle("climate_api:particles", climate_api.SHORT_CYCLE)