create_pbr_material: name="stone_pbr", textures={
  color: "stone_color",
  normal: "stone_normal"
}

create_pbr_material: name="gold_block", textures={
  color: "gold_color",
  normal: "gold_normal",
  height: "gold_height",
  mer: "gold_mer"
}

configure_material: material_id="stone_pbr", config={
  metalness_emissive_roughness: {
    metalness: 0.0,
    emissive: 0.0,
    roughness: 0.8
  }
}

configure_material: material_id="gold_block", config={
  metalness_emissive_roughness: {
    metalness: 1.0,
    emissive: 0.0,
    roughness: 0.3
  }
}

configure_material: material_id="glowstone", config={
  metalness_emissive_roughness: {
    metalness: 0.0,
    emissive: 1.0,
    roughness: 0.9
  }
}

assign_texture_channel: material_id="stone_pbr", channel="height",
  texture_id="stone_heightmap"

assign_texture_channel: material_id="stone_pbr", channel="normal",
  texture_id="stone_normal_v2"

import_texture_set: file_path="C:/packs/stone_texture_set.json"

save_material_config: material_id="stone_pbr",
  output_path="C:/packs/textures/stone_texture_set.json"

list_materials
# Returns: [{uuid, name, textureCount, hasColor, hasNormal, hasHeight, hasMER}]

get_material_info: material_id="stone_pbr"
# Returns full channel assignments and config

# Create blank MER texture
create_texture: name="block_mer", width=16, height=16,
  fill_color=[0, 0, 204, 255]  # Non-metal, no glow, 80% rough

# Paint metallic areas (R channel)
paint_with_brush: texture_id="block_mer", coordinates=[{x: 8, y: 8}],
  brush_settings={color: "#FF0000", size: 4}  # Metallic spot

# Paint glowing areas (G channel)
paint_with_brush: texture_id="block_mer", coordinates=[{x: 4, y: 4}],
  brush_settings={color: "#00FF00", size: 2, blend_mode: "add"}

create_pbr_material: name="stone", textures={color: "stone_color", normal: "stone_normal"}
configure_material: material_id="stone", config={
  metalness_emissive_roughness: {metalness: 0, emissive: 0, roughness: 0.9}
}

create_pbr_material: name="gold", textures={color: "gold_color", normal: "gold_normal", mer: "gold_mer"}
configure_material: material_id="gold", config={
  metalness_emissive_roughness: {metalness: 1.0, emissive: 0, roughness: 0.25}
}

create_pbr_material: name="glass", textures={color: "glass_color"}
configure_material: material_id="glass", config={
  metalness_emissive_roughness: {metalness: 0, emissive: 0, roughness: 0.05}
}

create_pbr_material: name="lamp", textures={color: "lamp_color", mer: "lamp_mer"}
configure_material: material_id="lamp", config={
  metalness_emissive_roughness: {metalness: 0, emissive: 1.0, roughness: 0.8}
}

configure_material: material_id="leaves", config={
  subsurface_scattering: {
    red: 0.3,
    green: 0.8,
    blue: 0.2
  }
}

# 1. Create base textures
create_texture: name="brick_color", width=16, height=16
create_texture: name="brick_normal", width=16, height=16, fill_color="#8080FF"
create_texture: name="brick_mer", width=16, height=16, fill_color=[0, 0, 200, 255]

# 2. Paint textures (color, normal, mer)
paint_with_brush: texture_id="brick_color", ...
paint_with_brush: texture_id="brick_normal", ...

# 3. Create material
create_pbr_material: name="brick", textures={
  color: "brick_color",
  normal: "brick_normal",
  mer: "brick_mer"
}

# 4. Configure
configure_material: material_id="brick", config={
  metalness_emissive_roughness: {metalness: 0, emissive: 0, roughness: 0.85}
}

# 5. Export
save_material_config: material_id="brick", output_path="./textures/brick_texture_set.json"