feat: more work on tree graphics

project/models/props/tree.blend.import

@@ -32,7 +32,14 @@ animation/trimming=false
 animation/remove_immutable_tracks=true
 animation/import_rest_as_RESET=false
 import_script/path=""
-_subresources={}
+_subresources={
+"materials": {
+"leaves": {
+"use_external/enabled": true,
+"use_external/path": "uid://dqtsjjn0jp0oj"
+}
+}
+}
 blender/nodes/visible=0
 blender/nodes/active_collection_only=false
 blender/nodes/punctual_lights=true

project/models/props/tree_leaves.tres

@@ -1,4 +1,70 @@
-[gd_resource type="StandardMaterial3D" format=3 uid="uid://dqtsjjn0jp0oj"]
+[gd_resource type="ShaderMaterial" load_steps=3 format=3 uid="uid://dqtsjjn0jp0oj"]
+
+[ext_resource type="Texture2D" uid="uid://d1sxmql1f46f6" path="res://materials/leaves_albedo.png" id="1_dgtoi"]
+
+[sub_resource type="Shader" id="Shader_6fq30"]
+code = "// NOTE: Shader automatically converted from Godot Engine 4.4.2.rc's StandardMaterial3D.
+
+shader_type spatial;
+render_mode blend_mix, depth_draw_opaque, cull_disabled, diffuse_burley, specular_schlick_ggx, skip_vertex_transform;
+
+uniform vec4 albedo : source_color;
+uniform sampler2D texture_albedo : source_color, filter_linear_mipmap, repeat_enable;
+uniform ivec2 albedo_texture_size;
+uniform float point_size : hint_range(0.1, 128.0, 0.1);
+
+uniform float roughness : hint_range(0.0, 1.0);
+uniform sampler2D texture_metallic : hint_default_white, filter_linear_mipmap, repeat_enable;
+uniform vec4 metallic_texture_channel;
+uniform sampler2D texture_roughness : hint_roughness_r, filter_linear_mipmap, repeat_enable;
+
+uniform float specular : hint_range(0.0, 1.0, 0.01);
+uniform float metallic : hint_range(0.0, 1.0, 0.01);
+
+uniform vec3 uv1_scale;
+uniform vec3 uv1_offset;
+uniform vec3 uv2_scale;
+uniform vec3 uv2_offset;
+
+void vertex() {
+	VERTEX = (MODELVIEW_MATRIX * vec4(VERTEX * 1.2, 1.0)).xyz;
+    NORMAL = normalize((MODELVIEW_MATRIX * vec4(NORMAL, 0.0)).xyz);
+    BINORMAL = normalize((MODELVIEW_MATRIX * vec4(BINORMAL, 0.0)).xyz);
+    TANGENT = normalize((MODELVIEW_MATRIX * vec4(TANGENT, 0.0)).xyz);
+
+	UV = UV * uv1_scale.xy + uv1_offset.xy;
+	vec3 center = vec3(VIEWPORT_SIZE / 2.0, 0.0);
+}
+
+void fragment() {
+	vec2 base_uv = UV;
+
+	vec4 albedo_tex = texture(texture_albedo, base_uv);
+	ALBEDO = albedo.rgb * albedo_tex.rgb;
+	ALPHA = albedo_tex.a;
+
+	float metallic_tex = dot(texture(texture_metallic, base_uv), metallic_texture_channel);
+	METALLIC = metallic_tex * metallic;
+	SPECULAR = specular;
+
+	vec4 roughness_texture_channel = vec4(1.0, 0.0, 0.0, 0.0);
+	float roughness_tex = dot(texture(texture_roughness, base_uv), roughness_texture_channel);
+	ROUGHNESS = roughness_tex * roughness;
+}
+"
 
 [resource]
-albedo_color = Color(0.27451, 0.388235, 0.192157, 1)
+render_priority = 0
+shader = SubResource("Shader_6fq30")
+shader_parameter/albedo = Color(0.27451, 0.388235, 0.192157, 1)
+shader_parameter/texture_albedo = ExtResource("1_dgtoi")
+shader_parameter/albedo_texture_size = Vector2i(0, 0)
+shader_parameter/point_size = 1.0
+shader_parameter/roughness = 1.0
+shader_parameter/metallic_texture_channel = Vector4(1, 0, 0, 0)
+shader_parameter/specular = 0.5
+shader_parameter/metallic = 0.0
+shader_parameter/uv1_scale = Vector3(1, 1, 1)
+shader_parameter/uv1_offset = Vector3(0, 0, 0)
+shader_parameter/uv2_scale = Vector3(1, 1, 1)
+shader_parameter/uv2_offset = Vector3(0, 0, 0)