Improve waving defintions

- Allow more drawtypes to use waving
- Don't hardcode waving type, defined by nodedef
- Make leaves_with_apples wave :)

builtin/game/misc.lua

@@ -204,3 +204,8 @@ function core.raillike_group(name)
 	end
 	return id
 end
+
+local waving_groups = {leaves = 1, plants = 2}
+function core.get_waving_group(name)
+	return waving_groups[name] or 0
+end

doc/lua_api.txt

@@ -2335,6 +2335,9 @@ These functions return the leftover itemstack.
     * Returns rating of the connect_to_raillike group corresponding to name
     * If name is not yet the name of a connect_to_raillike group, a new group id
     * is created, with that name
+* `core.get_waving_group(name)`: returns a rating
+    * name can be "leaves" or "plants"
+    * returned rating defines which kind of waving is used by shaders
 * `minetest.get_content_id(name)`: returns an integer
     * Gets the internal content ID of `name`
 * `minetest.get_name_from_content_id(content_id)`: returns a string

games/blockplanet/mods/default/models/leaves_with_apple.obj

@@ -2,14 +2,14 @@
 # www.blender.org
 mtllib default_leaves_apple.mtl
 o Cube_Cube.001
-v -0.494900 0.507706 0.497315
-v -0.494900 0.507706 -0.498102
-v -0.494900 -0.497234 -0.498102
-v -0.494900 -0.497234 0.497315
-v 0.497295 0.507706 -0.498102
-v 0.497295 -0.497234 -0.498102
-v 0.497295 0.507706 0.497315
-v 0.497295 -0.497234 0.497315
+v -0.494900 -0.492294 -0.498102
+v -0.494900 -0.492294 0.497315
+v 0.497295 0.502766 -0.498102
+v 0.497295 0.502766 0.497315
+v 0.497295 -0.492294 0.497315
+v -0.494900 0.502766 -0.498102
+v 0.497295 -0.492294 -0.498102
+v -0.494900 0.502766 0.497315
 v 0.158101 0.160790 -0.112246
 v 0.158101 -0.131804 -0.112246
 v 0.158101 0.160790 0.180347
@@ -26,6 +26,22 @@ v 0.047132 0.159064 0.069418
 v 0.047132 0.279774 0.069418
 v 0.047132 0.159064 -0.002894
 v 0.047132 0.279774 -0.002894
+v 0.503668 -0.490861 -0.498102
+v -0.494900 -0.497234 -0.498102
+v 0.503668 0.501334 -0.498102
+v 0.497295 -0.492472 0.502076
+v -0.501272 0.501333 -0.498102
+v 0.497295 -0.492472 -0.502863
+v -0.501272 0.501334 0.497315
+v -0.494900 -0.497234 0.497315
+v -0.501272 -0.490862 0.497315
+v 0.497295 0.502944 0.502076
+v 0.503668 0.501333 0.497315
+v -0.494900 0.507706 0.497315
+v 0.503668 -0.490862 0.497315
+v 0.497295 0.502944 -0.502863
+v -0.501272 -0.490862 -0.498102
+v -0.494900 0.507706 -0.498102
 vt 0.499998 0.999901
 vt -0.000002 0.999897
 vt 0.000002 -0.000002
@@ -51,30 +67,30 @@ vt 0.875000 0.687500
 vt 0.625000 0.687500
 vt 0.875000 0.687429
 vn -1.000000 0.000000 0.000000
-vn 0.000000 0.000000 -1.000000
+vn -0.000000 0.000000 -1.000000
 vn 1.000000 0.000000 0.000000
-vn 0.000000 -0.000000 1.000000
+vn -0.000000 -0.000000 1.000000
+vn 0.000000 1.000000 -0.000000
 vn 0.000000 -1.000000 -0.000000
-vn 0.000000 1.000000 0.000000
 usemtl None
 s off
-f 1/1/1 2/2/1 3/3/1 4/4/1
-f 2/4/2 5/5/2 6/6/2 3/3/2
-f 5/4/3 7/5/3 8/6/3 6/3/3
-f 7/4/4 1/5/4 4/6/4 8/3/4
+f 36/1/1 40/2/1 26/3/1 32/4/1
+f 39/4/2 29/5/2 27/6/2 25/3/2
+f 30/4/3 38/5/3 34/6/3 28/3/3
+f 37/4/4 35/5/4 31/6/4 33/3/4
 f 4/2/5 3/3/5 6/4/5 8/1/5
 f 2/4/6 1/1/6 7/2/6 5/3/6
 f 18/7/1 20/8/1 19/9/1 17/10/1
 f 20/7/2 24/8/2 23/9/2 19/10/2
 f 24/11/3 22/7/3 21/8/3 23/12/3
 f 22/11/4 18/13/4 17/14/4 21/12/4
-f 22/10/6 24/15/6 20/16/6 18/9/6
+f 22/10/5 24/15/5 20/16/5 18/9/5
 usemtl None_NONE
-f 17/3/5 19/3/5 23/3/5 21/3/5
+f 17/3/6 19/3/6 23/3/6 21/3/6
 usemtl None_torches_torch.png
 f 10/17/1 12/18/1 11/19/1 9/20/1
 f 12/20/2 16/17/2 15/18/2 11/19/2
 f 16/17/3 14/18/3 13/19/3 15/20/3
 f 14/18/4 10/19/4 9/20/4 13/17/4
-f 9/21/5 11/22/5 15/23/5 13/18/5
-f 14/17/6 16/18/6 12/21/6 10/24/6
+f 9/21/6 11/22/6 15/23/6 13/18/6
+f 14/17/5 16/18/5 12/21/5 10/24/5

games/blockplanet/mods/default/nodes/grass.lua

@@ -1,7 +1,7 @@
 minetest.register_node("default:junglegrass", {
 	description = "Jungle Grass",
 	drawtype = "plantlike",
-	waving = 1,
+	waving = core.get_waving_group("plants"),
 	visual_scale = 1.3,
 	tiles = {"default_junglegrass.png"},
 	inventory_image = "default_junglegrass.png",
@@ -21,7 +21,7 @@ minetest.register_node("default:junglegrass", {
 minetest.register_node("default:dry_shrub", {
 	description = "Dry Shrub",
 	drawtype = "plantlike",
-	waving = 1,
+	waving = core.get_waving_group("plants"),
 	visual_scale = 1.0,
 	tiles = {"default_dry_shrub.png"},
 	inventory_image = "default_dry_shrub.png",
@@ -41,7 +41,7 @@ minetest.register_node("default:dry_shrub", {
 minetest.register_node("default:grass_5", {
 	description = "Grass",
 	drawtype = "plantlike",
-	waving = 1,
+	waving = core.get_waving_group("plants"),
 	tiles = {"default_grass_5.png"},
 	inventory_image = "default_grass_3.png",
 	--wield_image = "default_grass_3.png",
@@ -68,7 +68,7 @@ minetest.register_node("default:grass_5", {
 minetest.register_node("default:dry_grass_5", {
 	description = "Dry Grass",
 	drawtype = "plantlike",
-	waving = 1,
+	waving = core.get_waving_group("plants"),
 	tiles = {"default_dry_grass_5.png"},
 	inventory_image = "default_dry_grass_3.png",
 	--wield_image = "default_dry_grass_3.png",
@@ -96,7 +96,7 @@ for i = 1, 4 do
 	minetest.register_node("default:grass_" .. i, {
 		description = "Grass",
 		drawtype = "plantlike",
-		waving = 1,
+		waving = core.get_waving_group("plants"),
 		tiles = {"default_grass_" .. i .. ".png"},
 		paramtype = "light",
 		sunlight_propagates = true,
@@ -115,7 +115,7 @@ for i = 1, 4 do
 	minetest.register_node("default:dry_grass_" .. i, {
 		description = "Dry Grass",
 		drawtype = "plantlike",
-		waving = 1,
+		waving = core.get_waving_group("plants"),
 		tiles = {"default_dry_grass_" .. i .. ".png"},
 		paramtype = "light",
 		sunlight_propagates = true,

games/blockplanet/mods/default/nodes/leaves.lua

@@ -1,7 +1,7 @@
 local leaves_def = {
 	description = "Leaves",
 	drawtype = "allfaces_optional",
-	waving = 1,
+	waving = core.get_waving_group("leaves"),
 	visual_scale = 1.3,
 	tiles = {"default_leaves.png"},
 	special_tiles = {"default_leaves_simple.png"},
@@ -73,17 +73,7 @@ default.register_leaves("default:acacia_leaves", {
 
 
 -- Leaves with apple
-if core.setting_getbool("enable_shaders") and core.setting_getbool("enable_waving_leaves") == true then
-	default.register_leaves("default:leaves_with_apple", {
-		description = "Leaves",
-		tiles = {"default_apple.png^default_leaves.png"},
-		special_tiles = {"default_leaves_simple.png"},
-		drop = "default:apple",
-		after_place_node = function(...)
-		end,
-	})
-else
-	minetest.register_node("default:leaves_with_apple", {
+minetest.register_node("default:leaves_with_apple", {
 	description = "Leaves with Apple",
 	drawtype = "mesh",
 	mesh = "leaves_with_apple.obj",
@@ -93,8 +83,8 @@ else
 	sunlight_propagates = true,
 	is_ground_content = false,
 	drop = "default:apple",
+	waving = core.get_waving_group("leaves"),
 	groups = {snappy = 3, leafdecay = 3, flammable = 2, leaves = 1, fuel = 2,
 		not_in_creative_inventory = 1},
 	sounds = default.node_sound_leaves_defaults(),
-	})
-end
+})

games/blockplanet/mods/farming/api.lua

@@ -277,7 +277,7 @@ farming.register_plant = function(name, def)
 		nodegroups[pname] = i
 		minetest.register_node(":" .. mname .. ":" .. pname .. "_" .. i, {
 			drawtype = def.drawtype or "plantlike",
-			waving = 1,
+			waving = def.waving or 0,
 			tiles = {mname .. "_" .. pname .. "_" .. i .. ".png"},
 			paramtype = "light",
 			walkable = false,

games/blockplanet/mods/farming/plants.lua

@@ -6,7 +6,8 @@ farming.register_plant("farming:wheat", {
 	steps = 8,
 	minlight = 13,
 	maxlight = default.LIGHT_MAX,
-	fertility = {"grassland"}
+	fertility = {"grassland"},
+	waving = core.get_waving_group("plants"),
 })
 
 -- Cotton
@@ -28,5 +29,6 @@ farming.register_plant("farming:potato", {
 	minlight = 13,
 	maxlight = default.LIGHT_MAX,
 	fertility = {"grassland"},
-	on_use = minetest.item_eat(1)
+	on_use = minetest.item_eat(1),
+	waving = core.get_waving_group("plants"),
 })

games/blockplanet/mods/flowers/init.lua

@@ -39,7 +39,7 @@ local function add_simple_flower(name, desc, box, f_groups)
 	minetest.register_node("flowers:" .. name, {
 		description = desc,
 		drawtype = "plantlike",
-		waving = 1,
+		waving = core.get_waving_group("plants"),
 		tiles = {"flowers_" .. name .. ".png"},
 		inventory_image = "flowers_" .. name .. ".png",
 		wield_image = "flowers_" .. name .. ".png",

src/nodedef.cpp

@@ -809,6 +809,10 @@ void CNodeDefManager::updateTextures(IGameDef *gamedef,
 
 	u32 size = m_content_features.size();
 
+	// TILE_MATERIAL_* offset, used for waving parameter
+	// e.g. use TILE_MATERIAL_WAVING_PLANTS = f->waving + offset (which is 5)
+	const u8 offset = 3;
+
 	for (u32 i = 0; i < size; i++) {
 		ContentFeatures *f = &m_content_features[i];
 
@@ -893,23 +897,27 @@ void CNodeDefManager::updateTextures(IGameDef *gamedef,
 				for (u32 i = 0; i < 6; i++)
 					tiledef[i].name += std::string("^[noalpha");
 			}
-			if (f->waving == 1)
-				material_type = TILE_MATERIAL_WAVING_LEAVES;
+			if (f->waving > 0)
+				material_type = offset + f->waving;
 			break;
 		case NDT_PLANTLIKE:
 		case NDT_CROPLIKE:
 			f->solidness = 0;
 			f->backface_culling = false;
-			if (f->waving == 1)
-				material_type = TILE_MATERIAL_WAVING_PLANTS;
+			if (f->waving > 0)
+				material_type = offset + f->waving;
 			break;
 		case NDT_FIRELIKE:
 			f->backface_culling = false;
 			f->solidness = 0;
+			if (f->waving > 0)
+				material_type = offset + f->waving;
 			break;
 		case NDT_MESH:
 			f->solidness = 0;
 			f->backface_culling = false;
+			if (f->waving > 0)
+				material_type = offset + f->waving;
 			break;
 		case NDT_TORCHLIKE:
 		case NDT_SIGNLIKE: