Version 1.0.1

Author: IcterusGames

LICENSE

@@ -18,4 +18,4 @@ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
+SOFTWARE. 

grass.gd

@@ -0,0 +1,296 @@
+# grass.gd
+# This file is part of: SimpleGrassTextured
+# Copyright (c) 2023 IcterusGames
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the 
+# "Software"), to deal in the Software without restriction, including 
+# without limitation the rights to use, copy, modify, merge, publish, 
+# distribute, sublicense, and/or sell copies of the Software, and to 
+# permit persons to whom the Software is furnished to do so, subject to 
+# the following conditions: 
+#
+# The above copyright notice and this permission notice shall be 
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
+# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY 
+# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 
+# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 
+# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+@tool
+@icon ("icon.png")
+class_name SimpleGrassTextured extends MultiMeshInstance3D
+
+@export var mesh : Mesh = null : set = _on_set_mesh
+@export var player_pos := Vector3(1000000, 1000000, 1000000) : set = _on_set_player_pos
+@export var player_radius := 0.5 : set = _on_set_player_radius
+@export_color_no_alpha var albedo := Color.WHITE : set = _on_set_albedo
+@export var texture_albedo : Texture = preload("textures/grassbushcc008.png") : set = _on_set_texture_albedo
+@export var alpha_scissor_threshold := 0.5 : set = _on_set_alpha_scissor_threshold
+@export var scale_h := 1.0 : set = _on_set_scale_h
+@export var scale_w := 1.0 : set = _on_set_scale_w
+@export var scale_var := -0.25 : set = _on_set_scale_var
+@export_range(0.0, 1.0) var grass_strength := 0.8 : set = _on_set_grass_strength
+@export var wind_dir := Vector3.RIGHT : set = _on_set_wind_dir
+@export var wind_strength := 0.03 : set = _on_set_wind_strength
+@export var wind_speed := 1.0 : set = _on_set_wind_speed
+@export var optimization_by_distance := false : set = _on_set_optimization_by_distance
+@export var optimization_level := 7.0 : set = _on_set_optimization_level
+
+var dist_min : float = 0.0
+
+var _default_mesh : Mesh = null
+var _buffer_add : Array[Transform3D] = []
+var _material := preload("materials/grass.material").duplicate() as ShaderMaterial
+
+
+func _init():
+	_default_mesh = _build_default_mesh()
+
+
+func _ready():
+	if Engine.is_editor_hint():
+		set_process(true)
+	else:
+		set_process(false)
+	if multimesh == null:
+		multimesh = MultiMesh.new()
+		multimesh.transform_format = MultiMesh.TRANSFORM_3D
+	if multimesh.mesh == null:
+		if mesh != null:
+			multimesh.mesh = mesh
+		else:
+			multimesh.mesh = _default_mesh
+	for isur in range(multimesh.mesh.get_surface_count()):
+		multimesh.mesh.surface_set_material(isur, _material)
+	_on_set_player_pos(player_pos)
+	_on_set_player_radius(player_radius)
+	_on_set_texture_albedo(texture_albedo)
+	_on_set_alpha_scissor_threshold(alpha_scissor_threshold)
+	_on_set_scale_h(scale_h)
+	_on_set_scale_w(scale_w)
+	_on_set_scale_var(scale_var)
+	_on_set_grass_strength(grass_strength)
+	_on_set_wind_dir(wind_dir)
+	_on_set_wind_strength(wind_strength)
+	_on_set_wind_speed(wind_speed)
+	_on_set_optimization_by_distance(optimization_by_distance)
+	_on_set_optimization_level(optimization_level)
+
+
+func _process(_delta : float):
+	if _buffer_add.size() == 0:
+		return
+	_update_multimesh()
+
+
+func add_grass(pos : Vector3, normal : Vector3, scale : Vector3):
+	var trans := Transform3D()
+	trans = trans.rotated(Vector3.UP, TAU * randf())
+	trans.basis.y = normal
+	trans = trans.scaled(scale)
+	trans = trans.translated(pos)
+	if dist_min > 0:
+		for trans_prev in _buffer_add:
+			if trans.origin.distance_to(trans_prev.origin) <= dist_min:
+				return
+	_buffer_add.append(trans)
+
+
+func erase(pos : Vector3, radius : float):
+	var multi_new := MultiMesh.new()
+	var array : Array[Transform3D] = []
+	multi_new.transform_format = MultiMesh.TRANSFORM_3D
+	if mesh != null:
+		multi_new.mesh = mesh
+	else:
+		multi_new.mesh = _default_mesh
+	for i in range(multimesh.instance_count):
+		var trans := multimesh.get_instance_transform(i)
+		if trans.origin.distance_to(pos) > radius:
+			array.append(trans)
+	multi_new.instance_count = array.size()
+	for i in range(array.size()):
+		multi_new.set_instance_transform(i, array[i])
+	multimesh = multi_new
+	if _material != null:
+		for isur in range(multimesh.mesh.get_surface_count()):
+			multimesh.mesh.surface_set_material(isur, _material)
+
+
+func _update_multimesh():
+	if multimesh == null:
+		return
+	var multi_new := MultiMesh.new()
+	var count_prev := multimesh.instance_count
+	multi_new.transform_format = MultiMesh.TRANSFORM_3D
+	if mesh != null:
+		multi_new.mesh = mesh
+	else:
+		multi_new.mesh = _default_mesh
+	if _buffer_add.size() > 0 and dist_min > 0:
+		for i in range(multimesh.instance_count):
+			var trans := multimesh.get_instance_transform(i)
+			for trans_add in _buffer_add:
+				if trans_add.origin.distance_to(trans.origin) <= dist_min:
+					_buffer_add.erase(trans_add)
+					break
+	multi_new.instance_count = count_prev + _buffer_add.size()
+	for i in range(multimesh.instance_count):
+		multi_new.set_instance_transform(i, multimesh.get_instance_transform(i))
+	for i in range(_buffer_add.size()):
+		multi_new.set_instance_transform(i + count_prev, _buffer_add[i])
+	multimesh = multi_new
+	if _material != null:
+		for isur in range(multimesh.mesh.get_surface_count()):
+			multimesh.mesh.surface_set_material(isur, _material)
+	_buffer_add.clear()
+
+
+func _build_default_mesh() -> Mesh:
+	var array_mesh := ArrayMesh.new()
+	var vertices := PackedVector3Array()
+	var normals := PackedVector3Array()
+	var uvs := PackedVector2Array()
+	var index := PackedInt32Array()
+	
+	vertices.push_back(Vector3(-0.5, 1, 0))
+	vertices.push_back(Vector3(0.5, 0, 0))
+	vertices.push_back(Vector3(-0.5, 0, 0))
+	vertices.push_back(Vector3(0.5, 1, 0))
+	vertices.push_back(Vector3(0, 1, -0.5))
+	vertices.push_back(Vector3(0, 0, 0.5))
+	vertices.push_back(Vector3(0, 0, -0.5))
+	vertices.push_back(Vector3(0, 1, 0.5))
+	normals.push_back(Vector3(0, 0, 1))
+	normals.push_back(Vector3(0, 0, 1))
+	normals.push_back(Vector3(0, 0, 1))
+	normals.push_back(Vector3(0, 0, 1))
+	normals.push_back(Vector3(-1, 0, 0))
+	normals.push_back(Vector3(-1, 0, 0))
+	normals.push_back(Vector3(-1, 0, 0))
+	normals.push_back(Vector3(-1, 0, 0))
+	uvs.push_back(Vector2(0, 0))
+	uvs.push_back(Vector2(1, 1))
+	uvs.push_back(Vector2(0, 1))
+	uvs.push_back(Vector2(1, 0))
+	uvs.push_back(Vector2(0, 0))
+	uvs.push_back(Vector2(1, 1))
+	uvs.push_back(Vector2(0, 1))
+	uvs.push_back(Vector2(1, 0))
+	index.push_back(0)
+	index.push_back(1)
+	index.push_back(2)
+	index.push_back(3)
+	index.push_back(1)
+	index.push_back(0)
+	index.push_back(4)
+	index.push_back(5)
+	index.push_back(6)
+	index.push_back(7)
+	index.push_back(5)
+	index.push_back(4)
+	
+	var arrays := []
+	arrays.resize(Mesh.ARRAY_MAX)
+	arrays[Mesh.ARRAY_VERTEX] = vertices
+	arrays[ArrayMesh.ARRAY_NORMAL] = normals
+	arrays[ArrayMesh.ARRAY_TEX_UV] = uvs
+	arrays[ArrayMesh.ARRAY_INDEX] = index
+	
+	array_mesh.add_surface_from_arrays(Mesh.PRIMITIVE_TRIANGLES, arrays)
+	return array_mesh
+
+
+func _on_set_mesh(value : Mesh):
+	mesh = value
+	if Engine.is_editor_hint() and is_inside_tree():
+		_update_multimesh()
+
+
+func _on_set_player_pos(value : Vector3):
+	player_pos = value
+	if _material != null:
+		_material.set_shader_parameter("player_pos", player_pos)
+
+
+func _on_set_player_radius(value : float):
+	player_radius = value
+	if _material != null:
+		_material.set_shader_parameter("player_radius", player_radius)
+
+
+func _on_set_albedo(value : Color):
+	albedo = value;
+	if _material != null:
+		_material.set_shader_parameter("albedo", albedo)
+
+
+func _on_set_texture_albedo(value : Texture):
+	texture_albedo = value
+	if _material != null:
+		_material.set_shader_parameter("texture_albedo", texture_albedo)
+
+
+func _on_set_alpha_scissor_threshold(value : float):
+	alpha_scissor_threshold = value
+	if _material != null:
+		_material.set_shader_parameter("alpha_scissor_threshold", alpha_scissor_threshold)
+
+
+func _on_set_scale_h(value : float):
+	scale_h = value
+	if _material != null:
+		_material.set_shader_parameter("scale_h", scale_h)
+
+
+func _on_set_scale_w(value : float):
+	scale_w = value
+	if _material != null:
+		_material.set_shader_parameter("scale_w", scale_w)
+
+
+func _on_set_scale_var(value : float):
+	scale_var = value
+	if _material != null:
+		_material.set_shader_parameter("scale_var", scale_var)
+
+
+func _on_set_grass_strength(value : float):
+	grass_strength = value
+	if _material != null:
+		_material.set_shader_parameter("grass_strength", grass_strength)
+
+
+func _on_set_wind_dir(value : Vector3):
+	wind_dir = value
+	if _material != null:
+		_material.set_shader_parameter("wind_dir", wind_dir)
+
+
+func _on_set_wind_strength(value : float):
+	wind_strength = value
+	if _material != null:
+		_material.set_shader_parameter("wind_strength", wind_strength)
+
+
+func _on_set_wind_speed(value : float):
+	wind_speed = value
+	if _material != null:
+		_material.set_shader_parameter("wind_speed", wind_speed)
+
+
+func _on_set_optimization_by_distance(value : bool):
+	optimization_by_distance = value
+	if _material != null:
+		_material.set_shader_parameter("optimization_by_distance", optimization_by_distance)
+
+
+func _on_set_optimization_level(value : float):
+	optimization_level = value
+	if _material != null:
+		_material.set_shader_parameter("optimization_level", optimization_level)

icon.png

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://bydmhs1jeab4x"
+path="res://.godot/imported/icon.png-19fbba19af0b6f102089d0f09a582f5a.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://addons/simplegrasstextured/icon.png"
+dest_files=["res://.godot/imported/icon.png-19fbba19af0b6f102089d0f09a582f5a.ctex"]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/bptc_ldr=0
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

icon.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://35qfdmr0xvq3"
+path="res://.godot/imported/pointer.png-292374924e7ba5a25097927bb55f262e.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://addons/simplegrasstextured/images/pointer.png"
+dest_files=["res://.godot/imported/pointer.png-292374924e7ba5a25097927bb55f262e.ctex"]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/bptc_ldr=0
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

images/pointer.png

@@ -0,0 +1,7 @@
+[plugin]
+
+name="SimpleGrassTextured"
+description="Create simple grass textured"
+author="IcterusGames"
+version="1.0.1"
+script="plugin.gd"