Build 01

- initial beta version

README.txt

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+Pride Flags Mod v1.0
+By Leslie E. Krause
+
+Pride Flags adds a variety of eight animated flags to celebrate pride in Minetest.
+
+The flags and poles are non-craftable and intended for placement by an administrator in a
+conspicuous location, such as atop a building or along a promenade.
+
+  /giveme pride_flags:mast_lower
+  /giveme pride_flags:mast_upper
+
+By default, a rainbow pride flag will appear when the upper mast is placed. Right-click 
+the node to select a different flag.
+
+
+Repository
+----------------------
+
+Browse source code...
+  https://bitbucket.org/sorcerykid/pride_flags
+
+Download archive...
+  https://bitbucket.org/sorcerykid/pride_flags/get/master.zip
+  https://bitbucket.org/sorcerykid/pride_flags/get/master.tar.gz
+
+Compatability
+----------------------
+
+Minetest 0.4.15+ required
+
+Installation
+----------------------
+
+  1) Unzip the archive into the mods directory of your game.
+  2) Rename the pride_flags-master directory to "pride_flags".
+
+Source Code License
+----------------------------------------------------------
+
+GNU Lesser General Public License v3 (LGPL-3.0)
+
+Copyright (c) 2022, Leslie E. Krause (leslie@searstower.org)
+
+This program is free software; you can redistribute it and/or modify it under the terms of
+the GNU Lesser General Public License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+See the GNU Lesser General Public License for more details.
+
+http://www.gnu.org/licenses/lgpl-2.1.html
+
+
+Multimedia License (textures, sounds, and models)
+----------------------------------------------------------
+
+Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)
+
+   /models/mast_lower.obj
+   by sorcerykid
+
+   /models/mast_upper.obj
+   by sorcerykid
+
+   /models/wavingflag.b3d
+   by sorcerykid
+
+   /textures/default_baremetal.png
+   by sorcerykid
+
+   /textures/prideflag_asexual.png
+   by sorcerykid
+
+   /textures/prideflag_bisexual.png
+   by sorcerykid
+
+   /textures/prideflag_rainbow.png
+   by sorcerykid
+
+   /textures/prideflag_gendercreative.png
+   by sorcerykid
+
+   /textures/prideflag_genderfluid.png
+   by sorcerykid
+
+   /textures/prideflag_genderqueer.png
+   by sorcerykid
+
+   /textures/prideflag_lesbian.png
+   by sorcerykid
+
+   /textures/prideflag_nonbinary.png
+   by sorcerykid
+
+   /textures/prideflag_pansexual.png
+   by sorcerykid
+
+   /textures/prideflag_polysexual.png
+   by sorcerykid
+
+   /textures/prideflag_transgender.png
+   by sorcerykid
+
+   /sounds/flagwave1.ogg
+   by Chelly01
+   obtained from https://freesound.org/people/Chelly01/sounds/541088/
+   modified by sorcerykid
+
+   /sounds/flagwave2.ogg
+   by Chelly01
+   obtained from https://freesound.org/people/Chelly01/sounds/541088/
+   modified by sorcerykid
+
+   /sounds/flagwave3.ogg
+   by Chelly01
+   obtained from https://freesound.org/people/Chelly01/sounds/541088/
+   modified by sorcerykid
+
+You are free to:
+Share — copy and redistribute the material in any medium or format.
+Adapt — remix, transform, and build upon the material for any purpose, even commercially.
+The licensor cannot revoke these freedoms as long as you follow the license terms.
+
+Under the following terms:
+
+Attribution — You must give appropriate credit, provide a link to the license, and
+indicate if changes were made. You may do so in any reasonable manner, but not in any way
+that suggests the licensor endorses you or your use.
+
+No additional restrictions — You may not apply legal terms or technological measures that
+legally restrict others from doing anything the license permits.
+
+Notices:
+
+You do not have to comply with the license for elements of the material in the public
+domain or where your use is permitted by an applicable exception or limitation.
+No warranties are given. The license may not give you all of the permissions necessary
+for your intended use. For example, other rights such as publicity, privacy, or moral
+rights may limit how you use the material.
+
+For more details:
+http://creativecommons.org/licenses/by-sa/3.0/

init.lua

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+--------------------------------------------------------
+-- Minetest :: Pride Flags Mod (pride_flags)
+--
+-- See README.txt for licensing and other information.
+-- Copyright (c) 2022, Leslie E. Krause
+--
+-- ./games/minetest_game/mods/pride_flags/init.lua
+--------------------------------------------------------
+
+local wind_noise = PerlinNoise( 204, 1, 0, 500 )
+local active_flags = { }
+
+local pi = math.pi
+local rad_180 = pi
+local rad_90 = pi / 2
+
+local flag_list = { "rainbow", "lesbian", "bisexual", "transgender", "genderqueer", "nonbinary", "pansexual", "asexual" }
+
+minetest.register_entity( "pride_flags:wavingflag", {
+	initial_properties = {
+		physical = false,
+		visual = "mesh",
+		visual_size = { x = 8.5, y = 8.5 },
+		collisionbox = { -0.1, -0.85, -0.1, 0.1, 0.85, 0.1 },
+		backface_culling = false,
+		pointable = false,
+		mesh = "wavingflag.b3d",
+		textures = { "prideflag_rainbow.png" },
+		use_texture_alpha = false,
+	},
+
+	on_activate = function ( self, staticdata, dtime )
+		self:reset_animation( math.random( 1, 50 ) )  -- random starting frame to desynchronize multiple flags
+		self.object:set_armor_groups( { immortal = 1 } )
+
+		if staticdata ~= "" then
+			local data = minetest.deserialize( staticdata )
+			self.flag_idx = data.flag_idx
+			self.node_idx = data.node_idx
+
+			if not self.flag_idx or not self.node_idx then
+				self.object:remove( )
+				return
+			end
+			self:reset_texture( self.flag_idx )
+
+			active_flags[ self.node_idx ] = self.object
+		else
+			self.flag_idx = 1
+		end
+	end,
+
+	on_deactivate = function ( self )
+		if self.sound_id then
+			minetest.sound_stop( self.sound_id )
+		end
+	end,
+
+	on_step = function ( self, dtime )
+		self.anim_timer = self.anim_timer - dtime
+
+		if self.anim_timer <= 0 then
+			minetest.sound_stop( self.sound_id )
+			self:reset_animation( 1 )
+		end
+	end,
+
+	reset_animation = function ( self, start_frame )
+		local cur_wind = wind_noise:get2d( { x = os.time( ) % 65535, y = 0 } ) * 30 + 30
+print( cur_wind )
+		local anim_speed
+		local wave_sound
+
+		if cur_wind < 10 then
+			anim_speed = 10	-- 2 cycle
+			wave_sound = "flagwave1"
+		elseif cur_wind < 20 then
+			anim_speed = 20  -- 4 cycles
+			wave_sound = "flagwave1"
+		elseif cur_wind < 40 then
+			anim_speed = 40  -- 8 cycles
+			wave_sound = "flagwave2"
+		else
+			anim_speed = 80  -- 16 cycles
+			wave_sound = "flagwave3"
+		end
+
+		if self.object then
+			self.object:set_animation( { x = start_frame, y = 575 }, anim_speed, 0, true )
+			self.sound_id = minetest.sound_play( wave_sound, { object = self.object, gain = 1.0, loop = true } )
+		end
+
+		self.anim_timer = ( 576 - start_frame ) / 5  -- default to 115 seconds to reset animation
+	end,
+
+	reset_texture = function ( self, flag_idx )
+		if not flag_idx then
+			self.flag_idx = self.flag_idx % #flag_list + 1	-- this automatically increments
+		else
+			self.flag_idx = flag_idx
+		end
+
+		local texture = string.format( "prideflag_%s.png", flag_list[ self.flag_idx ] )
+		self.object:set_properties( { textures = { texture } } )
+	end,
+
+	get_staticdata = function ( self )
+		return minetest.serialize( {
+			node_idx = self.node_idx,
+			flag_idx = self.flag_idx,
+		} )
+	end,
+} )
+
+minetest.register_node( "pride_flags:lower_mast", {
+        description = "Flag Pole",
+        drawtype = "mesh",
+        paramtype = "light",
+        mesh = "mast_lower.obj",
+        paramtype2 = "facedir",
+        groups = { cracky = 2, post = 1 },
+        tiles = { "default_baremetal.png", "default_baremetal.png" },
+	groups = { cracky = 1, level = 2 },
+	--sounds = default.node_sound_metal_defaults( ),
+
+        selection_box = {
+                type = "fixed",
+                fixed = { { -3/32, -1/2, -3/32, 3/32, 1/2, 3/32 } },
+        },
+        collision_box = {
+                type = "fixed",
+                fixed = { { -3/32, -1/2, -3/32, 3/32, 1/2, 3/32 } },
+        },
+} )
+
+minetest.register_node( "pride_flags:upper_mast", {
+	description = "Flag Pole",
+	drawtype = "mesh",
+	paramtype = "light",
+	mesh = "mast_upper.obj",
+	paramtype2 = "facedir",
+	groups = { cracky = 2 },
+	tiles = { "default_baremetal.png", "default_baremetal.png" },
+	groups = { cracky = 1, level = 2 },
+	--sounds = default.node_sound_metal_defaults( ),
+
+        selection_box = {
+                type = "fixed",
+                fixed = { { -3/32, -1/2, -3/32, 3/32, 27/16, 3/32 } },
+        },
+        collision_box = {
+                type = "fixed",
+                fixed = { { -3/32, -1/2, -3/32, 3/32, 27/16, 3/32 } },
+        },
+
+	on_rightclick = function ( pos, node, player )
+		local node_idx = minetest.hash_node_position( pos )
+
+		if minetest.check_player_privs( player:get_player_name( ), "server" ) then
+			active_flags[ node_idx ]:get_luaentity( ):reset_texture( )
+		end
+	end,
+
+	on_construct = function ( pos )
+		local node_idx = minetest.hash_node_position( pos )
+		local param2 = minetest.get_node( pos ).param2
+		local facedir_to_pos = {
+			[0] = { x = 0, y = 0.6, z = -0.1 },
+			[1] = { x = -0.1, y = 0.6, z = 0 },
+			[2] = { x = 0, y = 0.6, z = 0.1 },
+			[3] = { x = 0.1, y = 0.6, z = 0 },
+		}
+
+		local facedir_to_yaw = {
+			[0] = rad_90,
+			[1] = 0,
+			[2] = -rad_90,
+			[3] = rad_180,
+		}
+		local flag_pos = vector.add( pos, vector.multiply( facedir_to_pos[ param2 ], 1 ) )
+		local obj = minetest.add_entity( flag_pos, "pride_flags:wavingflag" )
+
+		obj:get_luaentity( ).node_idx = node_idx
+		obj:set_yaw( facedir_to_yaw[ param2 ] - rad_180 )
+
+		active_flags[ node_idx ] = obj
+	end,
+
+	on_destruct = function ( pos )
+		local node_idx = minetest.hash_node_position( pos )
+		if active_flags[ node_idx ] then
+			active_flags[ node_idx ]:remove( )
+		end
+	end,
+} )

mod.conf

@@ -0,0 +1,5 @@
+name = pride_flags
+title = Pride Flags
+author = sorcerykid
+license = LGPL-3.0
+

models/mast_lower.obj

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+mtllib mast_lower.mtl
+
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models/mast_upper.obj

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+
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