diff --git a/packages/ludic.render3d/actor.ludic b/packages/ludic.render3d/actor.ludic
index 3393abb1..48886f9d 100644
--- a/packages/ludic.render3d/actor.ludic
+++ b/packages/ludic.render3d/actor.ludic
@@ -220,6 +220,7 @@ function actor_draw_one(render3d_st: mut Render3dState, a: Actor, ap: AcProg, sh
       else { u_v3(render3d_st, ap.l_tint, a.tint) }
     }
     gpu_tex_unit(render3d_st, 0);  gpu_tex_bind(render3d_st, GPU_TEX2D, pr.diff)
+    prim_factors(render3d_st, ap.prog, pr)
     if not shadow {
       gpu_tex_unit(render3d_st, 1);  gpu_tex_bind(render3d_st, GPU_TEX2D, pr.nrm)
       gpu_tex_unit(render3d_st, 2);  gpu_tex_bind(render3d_st, GPU_TEX2D, pr.arm)
diff --git a/packages/ludic.render3d/env.ludic b/packages/ludic.render3d/env.ludic
index 6ca513cf..a6188f2f 100644
--- a/packages/ludic.render3d/env.ludic
+++ b/packages/ludic.render3d/env.ludic
@@ -836,6 +836,7 @@ export state Render3dState {
   tb_key: string = ""
   tb_version: int = 0
   tb_shadow_ok: bool = false         # the shadow came from its bake this map
+  gltf_pure: int = 0                # a 1x1 white a factor multiplies exactly (gltf_factors)
   tt_dir: string = ""               # terrain_tiles_to: where a map's tiles are written ("" keeps the whole copies)
   tt_key: string = ""
   tt_file: pointer = null           # the tiles' file, open for reading (terrain_tiles.ludic)
diff --git a/packages/ludic.render3d/gltf.ludic b/packages/ludic.render3d/gltf.ludic
index 8710c4f5..7900981c 100644
--- a/packages/ludic.render3d/gltf.ludic
+++ b/packages/ludic.render3d/gltf.ludic
@@ -11,7 +11,8 @@ property Prim {
   nrm:  int = 0,
   arm:  int = 0,
   verts: int = 0,       # vertices in the mesh (each attribute buffer holds this many)
-  name: string          # the material's name (a part to tint: "hk_jacket")
+  name: string,         # the material's name (a part to tint: "hk_jacket")
+  fac: floats           # the material's factors, or null (all 1, no emission): base r g b a, roughness, metallic, emissive r g b
 }
 property Model {
   prims:  []Prim,
@@ -155,6 +156,7 @@ function gltf_prim(render3d_st: mut Render3dState, p: Val) -> Prim {
     if ud != null { pr.diff = gltf_texture(render3d_st, ud, true) }
     if un != null { pr.nrm = gltf_texture(render3d_st, un, false) }
     if ua != null { pr.arm = gltf_texture(render3d_st, ua, false) }
+    gltf_factors(render3d_st, pr, mat, ud != null, ua != null)
     var mname: string = null
     # a copy: the document goes, strings and all, at the next load
     if value_has(mat, "name") != 0 { let s = value_as_str(value_get(mat, "name"));  mname = s[0 .. len(s)] }
@@ -174,6 +176,45 @@ function gltf_prim(render3d_st: mut Render3dState, p: Val) -> Prim {
   return pr
 }
 
+# The material's factors (glTF's pbrMetallicRoughness and emissiveFactor), which the shaders multiply in;
+# a material that gives none keeps pr.fac null and draws as it always has. An untextured material with
+# a colour, or a metal/roughness, samples white for it, so the factor is exactly what it draws.
+@alloc_ok("a model being loaded: a primitive's factors, once")
+function gltf_factors(render3d_st: mut Render3dState, pr: Prim, mat: Val, has_diff: bool, has_arm: bool) -> void {
+  let pbr = value_get(mat, "pbrMetallicRoughness")
+  let has_pbr = value_has(mat, "pbrMetallicRoughness") != 0
+  let has_base = has_pbr and value_has(pbr, "baseColorFactor") != 0
+  let has_m = has_pbr and value_has(pbr, "metallicFactor") != 0
+  let has_r = has_pbr and value_has(pbr, "roughnessFactor") != 0
+  let has_e = value_has(mat, "emissiveFactor") != 0
+  if not has_base and not has_m and not has_r and not has_e { return }
+  let f = floats(9)
+  for k in 0 .. 6 { f[k] = 1.0 }
+  for k in 6 .. 9 { f[k] = 0.0 }
+  if has_base { let b = value_get(pbr, "baseColorFactor");  for k in 0 .. min(value_count(b), 4) { f[k] = jnum(value_at(b, k)) } }
+  if has_r { f[4] = jnum(value_get(pbr, "roughnessFactor")) }
+  if has_m { f[5] = jnum(value_get(pbr, "metallicFactor")) }
+  if has_e { let e = value_get(mat, "emissiveFactor");  for k in 0 .. min(value_count(e), 3) { f[6 + k] = jnum(value_at(e, k)) } }
+  pr.fac = f
+  if render3d_st.gltf_pure == 0 { render3d_st.gltf_pure = tex_solid(render3d_st, 255, 255, 255, 255) }
+  if has_base and not has_diff { pr.diff = render3d_st.gltf_pure }
+  if (has_m or has_r) and not has_arm { pr.arm = render3d_st.gltf_pure }
+}
+
+# a primitive's factors handed to program p (as 1 - factor, so a program never given them reads 1)
+function prim_factors(render3d_st: mut Render3dState, p: int, pr: Prim) -> void {
+  let f = pr.fac
+  if f == null {
+    u_f4(render3d_st, gpu_uniform(render3d_st, p, "u_fac_base_inv"), 0.0, 0.0, 0.0, 0.0)
+    u_f2(render3d_st, gpu_uniform(render3d_st, p, "u_fac_mr_inv"), 0.0, 0.0)
+    u_f3(render3d_st, gpu_uniform(render3d_st, p, "u_fac_emis"), 0.0, 0.0, 0.0)
+    return
+  }
+  u_f4(render3d_st, gpu_uniform(render3d_st, p, "u_fac_base_inv"), 1.0 - f[0], 1.0 - f[1], 1.0 - f[2], 1.0 - f[3])
+  u_f2(render3d_st, gpu_uniform(render3d_st, p, "u_fac_mr_inv"), 1.0 - f[4], 1.0 - f[5])
+  u_f3(render3d_st, gpu_uniform(render3d_st, p, "u_fac_emis"), f[6], f[7], f[8])
+}
+
 # Load the mesh of the node called `node_name` from dir/file.
 # the GPU memory it makes is counted as VKM_MODEL (R3D_VKMEM)
 function gltf_load(render3d_st: mut Render3dState, dir: string, file: string, node_name: string) -> Model {
diff --git a/packages/ludic.render3d/scatter.ludic b/packages/ludic.render3d/scatter.ludic
index c94577e3..616ab527 100644
--- a/packages/ludic.render3d/scatter.ludic
+++ b/packages/ludic.render3d/scatter.ludic
@@ -387,6 +387,7 @@ function impostor_paint(render3d_st: mut Render3dState, im: Impostor) -> void {
       let pr = model.prims[i]
       r3d_bind_2d(render3d_st, bake, "u_diff", 0, pr.diff)
       r3d_bind_2d(render3d_st, bake, "u_arm", 2, pr.arm)
+      prim_factors(render3d_st, bake, pr)
       mesh_draw_instanced(render3d_st, pr.mesh, 1)
     }
   }
@@ -962,6 +963,7 @@ function layer_draw_model(render3d_st: mut Render3dState, l: Layer, model: Model
     scatter_attach(render3d_st, pr.mesh, vb)
     if not card {
       r3d_bind_2d(render3d_st, p, "u_diff", 0, pr.diff)
+      prim_factors(render3d_st, p, pr)
       if not shadow { r3d_bind_2d(render3d_st, p, "u_nrm", 1, pr.nrm);  r3d_bind_2d(render3d_st, p, "u_arm", 2, pr.arm) }
     }
     if render3d_st.sc_ind_base >= 0 { gpu_draw_mesh_indirect(render3d_st, pr.mesh, l.g_cmds, (render3d_st.sc_ind_base + i * render3d_st.sc_ind_stride) * SC_REC_W, render3d_st.sc_ind_n, 0, 0) }
@@ -1057,6 +1059,7 @@ function layer_draw_depth(render3d_st: mut Render3dState, l: Layer, model: Model
     let pr = model.prims[i]
     scatter_attach(render3d_st, pr.mesh, vb)
     r3d_bind_2d(render3d_st, p, "u_diff", 0, pr.diff)
+    prim_factors(render3d_st, p, pr)
     if render3d_st.sc_ind_base >= 0 { gpu_draw_mesh_indirect(render3d_st, pr.mesh, l.g_cmds, (render3d_st.sc_ind_base + i * render3d_st.sc_ind_stride) * SC_REC_W, render3d_st.sc_ind_n, 0, 0) }
     else { mesh_draw_instanced(render3d_st, pr.mesh, cnt) }
   }
diff --git a/packages/ludic.render3d/shaders/bake.frag b/packages/ludic.render3d/shaders/bake.frag
index 7688f19d..8472eb91 100644
--- a/packages/ludic.render3d/shaders/bake.frag
+++ b/packages/ludic.render3d/shaders/bake.frag
@@ -6,9 +6,10 @@ in float v_seed;
 layout(location = 0) out vec4 o_albedo;
 layout(location = 1) out vec4 o_normal;
 uniform sampler2D u_diff;
+uniform vec4 u_fac_base_inv;   // a glTF material's base colour factor, as 1 - factor
 uniform sampler2D u_arm;
 void main() {
-  vec4 d = texture(u_diff, v_uv);
+  vec4 d = texture(u_diff, v_uv) * (vec4(1.0) - u_fac_base_inv);
   if (d.a < 0.5) discard;          // cut-out cards (needles, blades, leaves) bake with their shape
   vec3 N = normalize(v_nrm);
   if (!gl_FrontFacing) N = -N;
diff --git a/packages/ludic.render3d/shaders/model.frag b/packages/ludic.render3d/shaders/model.frag
index c860acb9..2518d569 100644
--- a/packages/ludic.render3d/shaders/model.frag
+++ b/packages/ludic.render3d/shaders/model.frag
@@ -12,6 +12,10 @@ in float v_lh;      // height above the model's base (model.vert)
 uniform float u_model_h;
 out vec4 o_color;
 uniform sampler2D u_diff;
+// a glTF material's factors, as 1 - factor (a program never given them reads 1) and its emission
+uniform vec4 u_fac_base_inv;
+uniform vec2 u_fac_mr_inv;
+uniform vec3 u_fac_emis;
 uniform sampler2D u_nrm;
 uniform sampler2D u_arm;
 uniform mat4 u_view;
@@ -189,7 +193,7 @@ void main() {
   n = normalize(N + side * (fract(v_uv.x) * 2.0 - 1.0) * 0.7);
   arm = vec3(0.9, 0.7, 0.0);
 #else
-  vec4 d = texture(u_diff, v_uv);
+  vec4 d = texture(u_diff, v_uv) * (vec4(1.0) - u_fac_base_inv);
 #ifdef ALPHA_TEST
   // A needle sprig's alpha averages away in the mips, so a plain 0.5 test strips the
   // crown bare past 50 m. Scale the alpha back up by the mip level (Castano's alpha
@@ -205,6 +209,7 @@ void main() {
   mat3 tbn = cotangentFrame(N, v_wpos, v_uv);
   n = normalize(tbn * tn);
   arm = texture(u_arm, v_uv).rgb;
+  arm.gb *= vec2(1.0) - u_fac_mr_inv;
   n = normalize(mix(n, N, smoothstep(30.0, 120.0, dist)));
   alb = d.rgb;
   // a crown's interior is occluded by its own cards
@@ -312,6 +317,7 @@ void main() {
 #endif
   col += alb * u_emissive;
   if (any(isnan(col))) col = vec3(0.0);
+  col += u_fac_emis;
   col = applyFog(col, v_wpos, dist);
 #ifdef CARD
   o_color = vec4(sane(col), cardAlpha);
diff --git a/packages/ludic.render3d/shaders/spv/01089da8.frag.spv b/packages/ludic.render3d/shaders/spv/01089da8.frag.spv
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diff --git a/packages/ludic.render3d/shaders/spv/d48d6a48.frag.spv b/packages/ludic.render3d/shaders/spv/d48d6a48.frag.spv
index f680ae9c..9c842354 100644
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diff --git a/packages/ludic.render3d/shaders/spv/f4a2b586.frag.spv b/packages/ludic.render3d/shaders/spv/f4a2b586.frag.spv
index 1fd9940e..8b479bb2 100644
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diff --git a/packages/ludic.render3d/shaders/spv/manifest.txt b/packages/ludic.render3d/shaders/spv/manifest.txt
index beb7c065..4481d6c9 100644
--- a/packages/ludic.render3d/shaders/spv/manifest.txt
+++ b/packages/ludic.render3d/shaders/spv/manifest.txt
@@ -949,7 +949,7 @@ U d48d6a48 vert u_d0 4404 float 1 0
 U d48d6a48 vert u_radius 4408 float 1 0
 U d48d6a48 vert u_px 4412 float 1 0
 U d48d6a48 vert u_dbg 4416 int 1 0
-B d48d6a48 frag 1 980
+B d48d6a48 frag 1 1028
 U d48d6a48 frag u_cascade_vp 0 mat4 5 64
 U d48d6a48 frag u_cascade_split 320 float 5 16
 U d48d6a48 frag u_cascade_range 400 float 5 16
@@ -987,14 +987,17 @@ U d48d6a48 frag u_fog_inscatter 820 float 1 0
 U d48d6a48 frag u_fog_desat 824 float 1 0
 U d48d6a48 frag u_fog_wall 828 float 1 0
 U d48d6a48 frag u_model_h 832 float 1 0
-U d48d6a48 frag u_view 848 mat4 1 0
-U d48d6a48 frag u_tint 912 vec3 1 0
-U d48d6a48 frag u_rough_scale 924 float 1 0
-U d48d6a48 frag u_emissive 928 float 1 0
-U d48d6a48 frag u_blade_base 944 vec3 1 0
-U d48d6a48 frag u_blade_tip 960 vec3 1 0
-U d48d6a48 frag u_blade_cols 972 float 1 0
-U d48d6a48 frag u_blade_tex_on 976 float 1 0
+U d48d6a48 frag u_fac_base_inv 848 vec4 1 0
+U d48d6a48 frag u_fac_mr_inv 864 vec2 1 0
+U d48d6a48 frag u_fac_emis 880 vec3 1 0
+U d48d6a48 frag u_view 896 mat4 1 0
+U d48d6a48 frag u_tint 960 vec3 1 0
+U d48d6a48 frag u_rough_scale 972 float 1 0
+U d48d6a48 frag u_emissive 976 float 1 0
+U d48d6a48 frag u_blade_base 992 vec3 1 0
+U d48d6a48 frag u_blade_tip 1008 vec3 1 0
+U d48d6a48 frag u_blade_cols 1020 float 1 0
+U d48d6a48 frag u_blade_tex_on 1024 float 1 0
 T d48d6a48 u_arm 2
 T d48d6a48 u_blade_tex 3
 T d48d6a48 u_brdf 4
@@ -1039,7 +1042,7 @@ U cb13f3c6 vert u_px 348 float 1 0
 U cb13f3c6 vert u_dbg 352 int 1 0
 I cb13f3c6 a_pos 0 vec3
 I cb13f3c6 a_uv 2 vec2
-B cb13f3c6 frag 1 980
+B cb13f3c6 frag 1 1028
 U cb13f3c6 frag u_cascade_vp 0 mat4 5 64
 U cb13f3c6 frag u_cascade_split 320 float 5 16
 U cb13f3c6 frag u_cascade_range 400 float 5 16
@@ -1077,14 +1080,17 @@ U cb13f3c6 frag u_fog_inscatter 820 float 1 0
 U cb13f3c6 frag u_fog_desat 824 float 1 0
 U cb13f3c6 frag u_fog_wall 828 float 1 0
 U cb13f3c6 frag u_model_h 832 float 1 0
-U cb13f3c6 frag u_view 848 mat4 1 0
-U cb13f3c6 frag u_tint 912 vec3 1 0
-U cb13f3c6 frag u_rough_scale 924 float 1 0
-U cb13f3c6 frag u_emissive 928 float 1 0
-U cb13f3c6 frag u_blade_base 944 vec3 1 0
-U cb13f3c6 frag u_blade_tip 960 vec3 1 0
-U cb13f3c6 frag u_blade_cols 972 float 1 0
-U cb13f3c6 frag u_blade_tex_on 976 float 1 0
+U cb13f3c6 frag u_fac_base_inv 848 vec4 1 0
+U cb13f3c6 frag u_fac_mr_inv 864 vec2 1 0
+U cb13f3c6 frag u_fac_emis 880 vec3 1 0
+U cb13f3c6 frag u_view 896 mat4 1 0
+U cb13f3c6 frag u_tint 960 vec3 1 0
+U cb13f3c6 frag u_rough_scale 972 float 1 0
+U cb13f3c6 frag u_emissive 976 float 1 0
+U cb13f3c6 frag u_blade_base 992 vec3 1 0
+U cb13f3c6 frag u_blade_tip 1008 vec3 1 0
+U cb13f3c6 frag u_blade_cols 1020 float 1 0
+U cb13f3c6 frag u_blade_tex_on 1024 float 1 0
 T cb13f3c6 u_arm 2
 T cb13f3c6 u_blade_tex 3
 T cb13f3c6 u_brdf 4
@@ -1130,7 +1136,7 @@ U b8cff226 vert u_px 4444 float 1 0
 U b8cff226 vert u_dbg 4448 int 1 0
 I b8cff226 a_pos 0 vec3
 I b8cff226 a_uv 2 vec2
-B b8cff226 frag 1 980
+B b8cff226 frag 1 1028
 U b8cff226 frag u_cascade_vp 0 mat4 5 64
 U b8cff226 frag u_cascade_split 320 float 5 16
 U b8cff226 frag u_cascade_range 400 float 5 16
@@ -1168,14 +1174,17 @@ U b8cff226 frag u_fog_inscatter 820 float 1 0
 U b8cff226 frag u_fog_desat 824 float 1 0
 U b8cff226 frag u_fog_wall 828 float 1 0
 U b8cff226 frag u_model_h 832 float 1 0
-U b8cff226 frag u_view 848 mat4 1 0
-U b8cff226 frag u_tint 912 vec3 1 0
-U b8cff226 frag u_rough_scale 924 float 1 0
-U b8cff226 frag u_emissive 928 float 1 0
-U b8cff226 frag u_blade_base 944 vec3 1 0
-U b8cff226 frag u_blade_tip 960 vec3 1 0
-U b8cff226 frag u_blade_cols 972 float 1 0
-U b8cff226 frag u_blade_tex_on 976 float 1 0
+U b8cff226 frag u_fac_base_inv 848 vec4 1 0
+U b8cff226 frag u_fac_mr_inv 864 vec2 1 0
+U b8cff226 frag u_fac_emis 880 vec3 1 0
+U b8cff226 frag u_view 896 mat4 1 0
+U b8cff226 frag u_tint 960 vec3 1 0
+U b8cff226 frag u_rough_scale 972 float 1 0
+U b8cff226 frag u_emissive 976 float 1 0
+U b8cff226 frag u_blade_base 992 vec3 1 0
+U b8cff226 frag u_blade_tip 1008 vec3 1 0
+U b8cff226 frag u_blade_cols 1020 float 1 0
+U b8cff226 frag u_blade_tex_on 1024 float 1 0
 T b8cff226 u_arm 2
 T b8cff226 u_blade_tex 3
 T b8cff226 u_brdf 4
@@ -1341,7 +1350,7 @@ I 9dce3246 a_pos 0 vec3
 I 9dce3246 i_pos 3 vec4
 I 9dce3246 a_nrm 1 vec3
 I 9dce3246 a_uv 2 vec2
-B 9dce3246 frag 0 832
+B 9dce3246 frag 1 848
 U 9dce3246 frag u_cascade_vp 0 mat4 5 64
 U 9dce3246 frag u_cascade_split 320 float 5 16
 U 9dce3246 frag u_cascade_range 400 float 5 16
@@ -1378,6 +1387,7 @@ U 9dce3246 frag u_time 816 float 1 0
 U 9dce3246 frag u_fog_inscatter 820 float 1 0
 U 9dce3246 frag u_fog_desat 824 float 1 0
 U 9dce3246 frag u_fog_wall 828 float 1 0
+U 9dce3246 frag u_fac_base_inv 832 vec4 1 0
 T 9dce3246 u_arm 2
 T 9dce3246 u_brdf 3
 T 9dce3246 u_diff 4
@@ -1410,7 +1420,7 @@ I 439a2253 a_pos 0 vec3
 I 439a2253 i_pos 3 vec4
 I 439a2253 a_nrm 1 vec3
 I 439a2253 a_uv 2 vec2
-B 439a2253 frag 0 832
+B 439a2253 frag 1 848
 U 439a2253 frag u_cascade_vp 0 mat4 5 64
 U 439a2253 frag u_cascade_split 320 float 5 16
 U 439a2253 frag u_cascade_range 400 float 5 16
@@ -1447,6 +1457,7 @@ U 439a2253 frag u_time 816 float 1 0
 U 439a2253 frag u_fog_inscatter 820 float 1 0
 U 439a2253 frag u_fog_desat 824 float 1 0
 U 439a2253 frag u_fog_wall 828 float 1 0
+U 439a2253 frag u_fac_base_inv 832 vec4 1 0
 T 439a2253 u_arm 2
 T 439a2253 u_brdf 3
 T 439a2253 u_diff 4
@@ -1479,7 +1490,7 @@ I 86f427b0 a_pos 0 vec3
 I 86f427b0 i_pos 3 vec4
 I 86f427b0 a_nrm 1 vec3
 I 86f427b0 a_uv 2 vec2
-B 86f427b0 frag 0 832
+B 86f427b0 frag 1 848
 U 86f427b0 frag u_cascade_vp 0 mat4 5 64
 U 86f427b0 frag u_cascade_split 320 float 5 16
 U 86f427b0 frag u_cascade_range 400 float 5 16
@@ -1516,6 +1527,7 @@ U 86f427b0 frag u_time 816 float 1 0
 U 86f427b0 frag u_fog_inscatter 820 float 1 0
 U 86f427b0 frag u_fog_desat 824 float 1 0
 U 86f427b0 frag u_fog_wall 828 float 1 0
+U 86f427b0 frag u_fac_base_inv 832 vec4 1 0
 T 86f427b0 u_arm 2
 T 86f427b0 u_brdf 3
 T 86f427b0 u_diff 4
@@ -1684,7 +1696,7 @@ I 01089da8 a_pos 0 vec3
 I 01089da8 i_pos 3 vec4
 I 01089da8 a_nrm 1 vec3
 I 01089da8 a_uv 2 vec2
-B 01089da8 frag 1 932
+B 01089da8 frag 1 980
 U 01089da8 frag u_cascade_vp 0 mat4 5 64
 U 01089da8 frag u_cascade_split 320 float 5 16
 U 01089da8 frag u_cascade_range 400 float 5 16
@@ -1722,10 +1734,13 @@ U 01089da8 frag u_fog_inscatter 820 float 1 0
 U 01089da8 frag u_fog_desat 824 float 1 0
 U 01089da8 frag u_fog_wall 828 float 1 0
 U 01089da8 frag u_model_h 832 float 1 0
-U 01089da8 frag u_view 848 mat4 1 0
-U 01089da8 frag u_tint 912 vec3 1 0
-U 01089da8 frag u_rough_scale 924 float 1 0
-U 01089da8 frag u_emissive 928 float 1 0
+U 01089da8 frag u_fac_base_inv 848 vec4 1 0
+U 01089da8 frag u_fac_mr_inv 864 vec2 1 0
+U 01089da8 frag u_fac_emis 880 vec3 1 0
+U 01089da8 frag u_view 896 mat4 1 0
+U 01089da8 frag u_tint 960 vec3 1 0
+U 01089da8 frag u_rough_scale 972 float 1 0
+U 01089da8 frag u_emissive 976 float 1 0
 T 01089da8 u_arm 2
 T 01089da8 u_blade_tex 3
 T 01089da8 u_brdf 4
@@ -1760,7 +1775,7 @@ I 254e7887 a_pos 0 vec3
 I 254e7887 i_pos 3 vec4
 I 254e7887 a_nrm 1 vec3
 I 254e7887 a_uv 2 vec2
-B 254e7887 frag 1 936
+B 254e7887 frag 1 984
 U 254e7887 frag u_cascade_vp 0 mat4 5 64
 U 254e7887 frag u_cascade_split 320 float 5 16
 U 254e7887 frag u_cascade_range 400 float 5 16
@@ -1798,11 +1813,14 @@ U 254e7887 frag u_fog_inscatter 820 float 1 0
 U 254e7887 frag u_fog_desat 824 float 1 0
 U 254e7887 frag u_fog_wall 828 float 1 0
 U 254e7887 frag u_model_h 832 float 1 0
-U 254e7887 frag u_view 848 mat4 1 0
-U 254e7887 frag u_tint 912 vec3 1 0
-U 254e7887 frag u_rough_scale 924 float 1 0
-U 254e7887 frag u_emissive 928 float 1 0
-U 254e7887 frag u_cull 932 float 1 0
+U 254e7887 frag u_fac_base_inv 848 vec4 1 0
+U 254e7887 frag u_fac_mr_inv 864 vec2 1 0
+U 254e7887 frag u_fac_emis 880 vec3 1 0
+U 254e7887 frag u_view 896 mat4 1 0
+U 254e7887 frag u_tint 960 vec3 1 0
+U 254e7887 frag u_rough_scale 972 float 1 0
+U 254e7887 frag u_emissive 976 float 1 0
+U 254e7887 frag u_cull 980 float 1 0
 T 254e7887 u_arm 2
 T 254e7887 u_blade_tex 3
 T 254e7887 u_brdf 4
@@ -1837,7 +1855,7 @@ I 1ce5c5d1 a_pos 0 vec3
 I 1ce5c5d1 i_pos 3 vec4
 I 1ce5c5d1 a_nrm 1 vec3
 I 1ce5c5d1 a_uv 2 vec2
-B 1ce5c5d1 frag 1 932
+B 1ce5c5d1 frag 1 980
 U 1ce5c5d1 frag u_cascade_vp 0 mat4 5 64
 U 1ce5c5d1 frag u_cascade_split 320 float 5 16
 U 1ce5c5d1 frag u_cascade_range 400 float 5 16
@@ -1875,10 +1893,13 @@ U 1ce5c5d1 frag u_fog_inscatter 820 float 1 0
 U 1ce5c5d1 frag u_fog_desat 824 float 1 0
 U 1ce5c5d1 frag u_fog_wall 828 float 1 0
 U 1ce5c5d1 frag u_model_h 832 float 1 0
-U 1ce5c5d1 frag u_view 848 mat4 1 0
-U 1ce5c5d1 frag u_tint 912 vec3 1 0
-U 1ce5c5d1 frag u_rough_scale 924 float 1 0
-U 1ce5c5d1 frag u_emissive 928 float 1 0
+U 1ce5c5d1 frag u_fac_base_inv 848 vec4 1 0
+U 1ce5c5d1 frag u_fac_mr_inv 864 vec2 1 0
+U 1ce5c5d1 frag u_fac_emis 880 vec3 1 0
+U 1ce5c5d1 frag u_view 896 mat4 1 0
+U 1ce5c5d1 frag u_tint 960 vec3 1 0
+U 1ce5c5d1 frag u_rough_scale 972 float 1 0
+U 1ce5c5d1 frag u_emissive 976 float 1 0
 T 1ce5c5d1 u_arm 2
 T 1ce5c5d1 u_blade_tex 3
 T 1ce5c5d1 u_brdf 4
@@ -1913,7 +1934,7 @@ I 5e70d731 a_pos 0 vec3
 I 5e70d731 i_pos 3 vec4
 I 5e70d731 a_nrm 1 vec3
 I 5e70d731 a_uv 2 vec2
-B 5e70d731 frag 1 932
+B 5e70d731 frag 1 980
 U 5e70d731 frag u_cascade_vp 0 mat4 5 64
 U 5e70d731 frag u_cascade_split 320 float 5 16
 U 5e70d731 frag u_cascade_range 400 float 5 16
@@ -1951,10 +1972,13 @@ U 5e70d731 frag u_fog_inscatter 820 float 1 0
 U 5e70d731 frag u_fog_desat 824 float 1 0
 U 5e70d731 frag u_fog_wall 828 float 1 0
 U 5e70d731 frag u_model_h 832 float 1 0
-U 5e70d731 frag u_view 848 mat4 1 0
-U 5e70d731 frag u_tint 912 vec3 1 0
-U 5e70d731 frag u_rough_scale 924 float 1 0
-U 5e70d731 frag u_emissive 928 float 1 0
+U 5e70d731 frag u_fac_base_inv 848 vec4 1 0
+U 5e70d731 frag u_fac_mr_inv 864 vec2 1 0
+U 5e70d731 frag u_fac_emis 880 vec3 1 0
+U 5e70d731 frag u_view 896 mat4 1 0
+U 5e70d731 frag u_tint 960 vec3 1 0
+U 5e70d731 frag u_rough_scale 972 float 1 0
+U 5e70d731 frag u_emissive 976 float 1 0
 T 5e70d731 u_arm 2
 T 5e70d731 u_blade_tex 3
 T 5e70d731 u_brdf 4
@@ -1991,7 +2015,7 @@ I f4a2b586 a_pos 0 vec3
 I f4a2b586 i_pos 3 vec4
 I f4a2b586 a_nrm 1 vec3
 I f4a2b586 a_uv 2 vec2
-B f4a2b586 frag 1 980
+B f4a2b586 frag 1 1028
 U f4a2b586 frag u_cascade_vp 0 mat4 5 64
 U f4a2b586 frag u_cascade_split 320 float 5 16
 U f4a2b586 frag u_cascade_range 400 float 5 16
@@ -2029,14 +2053,17 @@ U f4a2b586 frag u_fog_inscatter 820 float 1 0
 U f4a2b586 frag u_fog_desat 824 float 1 0
 U f4a2b586 frag u_fog_wall 828 float 1 0
 U f4a2b586 frag u_model_h 832 float 1 0
-U f4a2b586 frag u_view 848 mat4 1 0
-U f4a2b586 frag u_tint 912 vec3 1 0
-U f4a2b586 frag u_rough_scale 924 float 1 0
-U f4a2b586 frag u_emissive 928 float 1 0
-U f4a2b586 frag u_blade_base 944 vec3 1 0
-U f4a2b586 frag u_blade_tip 960 vec3 1 0
-U f4a2b586 frag u_blade_cols 972 float 1 0
-U f4a2b586 frag u_blade_tex_on 976 float 1 0
+U f4a2b586 frag u_fac_base_inv 848 vec4 1 0
+U f4a2b586 frag u_fac_mr_inv 864 vec2 1 0
+U f4a2b586 frag u_fac_emis 880 vec3 1 0
+U f4a2b586 frag u_view 896 mat4 1 0
+U f4a2b586 frag u_tint 960 vec3 1 0
+U f4a2b586 frag u_rough_scale 972 float 1 0
+U f4a2b586 frag u_emissive 976 float 1 0
+U f4a2b586 frag u_blade_base 992 vec3 1 0
+U f4a2b586 frag u_blade_tip 1008 vec3 1 0
+U f4a2b586 frag u_blade_cols 1020 float 1 0
+U f4a2b586 frag u_blade_tex_on 1024 float 1 0
 T f4a2b586 u_arm 2
 T f4a2b586 u_blade_tex 3
 T f4a2b586 u_brdf 4
@@ -2071,7 +2098,7 @@ I b4587cd4 a_pos 0 vec3
 I b4587cd4 i_pos 3 vec4
 I b4587cd4 a_nrm 1 vec3
 I b4587cd4 a_uv 2 vec2
-B b4587cd4 frag 1 936
+B b4587cd4 frag 1 984
 U b4587cd4 frag u_cascade_vp 0 mat4 5 64
 U b4587cd4 frag u_cascade_split 320 float 5 16
 U b4587cd4 frag u_cascade_range 400 float 5 16
@@ -2109,11 +2136,14 @@ U b4587cd4 frag u_fog_inscatter 820 float 1 0
 U b4587cd4 frag u_fog_desat 824 float 1 0
 U b4587cd4 frag u_fog_wall 828 float 1 0
 U b4587cd4 frag u_model_h 832 float 1 0
-U b4587cd4 frag u_view 848 mat4 1 0
-U b4587cd4 frag u_tint 912 vec3 1 0
-U b4587cd4 frag u_rough_scale 924 float 1 0
-U b4587cd4 frag u_emissive 928 float 1 0
-U b4587cd4 frag u_cull 932 float 1 0
+U b4587cd4 frag u_fac_base_inv 848 vec4 1 0
+U b4587cd4 frag u_fac_mr_inv 864 vec2 1 0
+U b4587cd4 frag u_fac_emis 880 vec3 1 0
+U b4587cd4 frag u_view 896 mat4 1 0
+U b4587cd4 frag u_tint 960 vec3 1 0
+U b4587cd4 frag u_rough_scale 972 float 1 0
+U b4587cd4 frag u_emissive 976 float 1 0
+U b4587cd4 frag u_cull 980 float 1 0
 T b4587cd4 u_arm 2
 T b4587cd4 u_blade_tex 3
 T b4587cd4 u_brdf 4
@@ -2148,7 +2178,7 @@ I 4dda406a a_pos 0 vec3
 I 4dda406a i_pos 3 vec4
 I 4dda406a a_nrm 1 vec3
 I 4dda406a a_uv 2 vec2
-B 4dda406a frag 1 932
+B 4dda406a frag 1 980
 U 4dda406a frag u_cascade_vp 0 mat4 5 64
 U 4dda406a frag u_cascade_split 320 float 5 16
 U 4dda406a frag u_cascade_range 400 float 5 16
@@ -2186,10 +2216,13 @@ U 4dda406a frag u_fog_inscatter 820 float 1 0
 U 4dda406a frag u_fog_desat 824 float 1 0
 U 4dda406a frag u_fog_wall 828 float 1 0
 U 4dda406a frag u_model_h 832 float 1 0
-U 4dda406a frag u_view 848 mat4 1 0
-U 4dda406a frag u_tint 912 vec3 1 0
-U 4dda406a frag u_rough_scale 924 float 1 0
-U 4dda406a frag u_emissive 928 float 1 0
+U 4dda406a frag u_fac_base_inv 848 vec4 1 0
+U 4dda406a frag u_fac_mr_inv 864 vec2 1 0
+U 4dda406a frag u_fac_emis 880 vec3 1 0
+U 4dda406a frag u_view 896 mat4 1 0
+U 4dda406a frag u_tint 960 vec3 1 0
+U 4dda406a frag u_rough_scale 972 float 1 0
+U 4dda406a frag u_emissive 976 float 1 0
 T 4dda406a u_arm 2
 T 4dda406a u_blade_tex 3
 T 4dda406a u_brdf 4
@@ -2224,7 +2257,7 @@ I b603a056 a_pos 0 vec3
 I b603a056 i_pos 3 vec4
 I b603a056 a_nrm 1 vec3
 I b603a056 a_uv 2 vec2
-B b603a056 frag 1 932
+B b603a056 frag 1 980
 U b603a056 frag u_cascade_vp 0 mat4 5 64
 U b603a056 frag u_cascade_split 320 float 5 16
 U b603a056 frag u_cascade_range 400 float 5 16
@@ -2262,10 +2295,13 @@ U b603a056 frag u_fog_inscatter 820 float 1 0
 U b603a056 frag u_fog_desat 824 float 1 0
 U b603a056 frag u_fog_wall 828 float 1 0
 U b603a056 frag u_model_h 832 float 1 0
-U b603a056 frag u_view 848 mat4 1 0
-U b603a056 frag u_tint 912 vec3 1 0
-U b603a056 frag u_rough_scale 924 float 1 0
-U b603a056 frag u_emissive 928 float 1 0
+U b603a056 frag u_fac_base_inv 848 vec4 1 0
+U b603a056 frag u_fac_mr_inv 864 vec2 1 0
+U b603a056 frag u_fac_emis 880 vec3 1 0
+U b603a056 frag u_view 896 mat4 1 0
+U b603a056 frag u_tint 960 vec3 1 0
+U b603a056 frag u_rough_scale 972 float 1 0
+U b603a056 frag u_emissive 976 float 1 0
 T b603a056 u_arm 2
 T b603a056 u_blade_tex 3
 T b603a056 u_brdf 4
@@ -2300,7 +2336,7 @@ I 3b183d8f a_pos 0 vec3
 I 3b183d8f i_pos 3 vec4
 I 3b183d8f a_nrm 1 vec3
 I 3b183d8f a_uv 2 vec2
-B 3b183d8f frag 1 932
+B 3b183d8f frag 1 980
 U 3b183d8f frag u_cascade_vp 0 mat4 5 64
 U 3b183d8f frag u_cascade_split 320 float 5 16
 U 3b183d8f frag u_cascade_range 400 float 5 16
@@ -2338,10 +2374,13 @@ U 3b183d8f frag u_fog_inscatter 820 float 1 0
 U 3b183d8f frag u_fog_desat 824 float 1 0
 U 3b183d8f frag u_fog_wall 828 float 1 0
 U 3b183d8f frag u_model_h 832 float 1 0
-U 3b183d8f frag u_view 848 mat4 1 0
-U 3b183d8f frag u_tint 912 vec3 1 0
-U 3b183d8f frag u_rough_scale 924 float 1 0
-U 3b183d8f frag u_emissive 928 float 1 0
+U 3b183d8f frag u_fac_base_inv 848 vec4 1 0
+U 3b183d8f frag u_fac_mr_inv 864 vec2 1 0
+U 3b183d8f frag u_fac_emis 880 vec3 1 0
+U 3b183d8f frag u_view 896 mat4 1 0
+U 3b183d8f frag u_tint 960 vec3 1 0
+U 3b183d8f frag u_rough_scale 972 float 1 0
+U 3b183d8f frag u_emissive 976 float 1 0
 T 3b183d8f u_arm 2
 T 3b183d8f u_blade_tex 3
 T 3b183d8f u_brdf 4
@@ -2376,7 +2415,7 @@ I 79b77ed9 a_pos 0 vec3
 I 79b77ed9 i_pos 3 vec4
 I 79b77ed9 a_nrm 1 vec3
 I 79b77ed9 a_uv 2 vec2
-B 79b77ed9 frag 1 936
+B 79b77ed9 frag 1 984
 U 79b77ed9 frag u_cascade_vp 0 mat4 5 64
 U 79b77ed9 frag u_cascade_split 320 float 5 16
 U 79b77ed9 frag u_cascade_range 400 float 5 16
@@ -2414,11 +2453,14 @@ U 79b77ed9 frag u_fog_inscatter 820 float 1 0
 U 79b77ed9 frag u_fog_desat 824 float 1 0
 U 79b77ed9 frag u_fog_wall 828 float 1 0
 U 79b77ed9 frag u_model_h 832 float 1 0
-U 79b77ed9 frag u_view 848 mat4 1 0
-U 79b77ed9 frag u_tint 912 vec3 1 0
-U 79b77ed9 frag u_rough_scale 924 float 1 0
-U 79b77ed9 frag u_emissive 928 float 1 0
-U 79b77ed9 frag u_cull 932 float 1 0
+U 79b77ed9 frag u_fac_base_inv 848 vec4 1 0
+U 79b77ed9 frag u_fac_mr_inv 864 vec2 1 0
+U 79b77ed9 frag u_fac_emis 880 vec3 1 0
+U 79b77ed9 frag u_view 896 mat4 1 0
+U 79b77ed9 frag u_tint 960 vec3 1 0
+U 79b77ed9 frag u_rough_scale 972 float 1 0
+U 79b77ed9 frag u_emissive 976 float 1 0
+U 79b77ed9 frag u_cull 980 float 1 0
 T 79b77ed9 u_arm 2
 T 79b77ed9 u_blade_tex 3
 T 79b77ed9 u_brdf 4
@@ -2453,7 +2495,7 @@ I b9fc2041 a_pos 0 vec3
 I b9fc2041 i_pos 3 vec4
 I b9fc2041 a_nrm 1 vec3
 I b9fc2041 a_uv 2 vec2
-B b9fc2041 frag 1 932
+B b9fc2041 frag 1 980
 U b9fc2041 frag u_cascade_vp 0 mat4 5 64
 U b9fc2041 frag u_cascade_split 320 float 5 16
 U b9fc2041 frag u_cascade_range 400 float 5 16
@@ -2491,10 +2533,13 @@ U b9fc2041 frag u_fog_inscatter 820 float 1 0
 U b9fc2041 frag u_fog_desat 824 float 1 0
 U b9fc2041 frag u_fog_wall 828 float 1 0
 U b9fc2041 frag u_model_h 832 float 1 0
-U b9fc2041 frag u_view 848 mat4 1 0
-U b9fc2041 frag u_tint 912 vec3 1 0
-U b9fc2041 frag u_rough_scale 924 float 1 0
-U b9fc2041 frag u_emissive 928 float 1 0
+U b9fc2041 frag u_fac_base_inv 848 vec4 1 0
+U b9fc2041 frag u_fac_mr_inv 864 vec2 1 0
+U b9fc2041 frag u_fac_emis 880 vec3 1 0
+U b9fc2041 frag u_view 896 mat4 1 0
+U b9fc2041 frag u_tint 960 vec3 1 0
+U b9fc2041 frag u_rough_scale 972 float 1 0
+U b9fc2041 frag u_emissive 976 float 1 0
 T b9fc2041 u_arm 2
 T b9fc2041 u_blade_tex 3
 T b9fc2041 u_brdf 4
@@ -2831,7 +2876,7 @@ I 1fde9cd2 a_joints 5 vec4
 I 1fde9cd2 a_pos 0 vec3
 I 1fde9cd2 a_nrm 1 vec3
 I 1fde9cd2 a_uv 2 vec2
-B 1fde9cd2 frag 1 932
+B 1fde9cd2 frag 1 980
 U 1fde9cd2 frag u_cascade_vp 0 mat4 5 64
 U 1fde9cd2 frag u_cascade_split 320 float 5 16
 U 1fde9cd2 frag u_cascade_range 400 float 5 16
@@ -2869,10 +2914,13 @@ U 1fde9cd2 frag u_fog_inscatter 820 float 1 0
 U 1fde9cd2 frag u_fog_desat 824 float 1 0
 U 1fde9cd2 frag u_fog_wall 828 float 1 0
 U 1fde9cd2 frag u_model_h 832 float 1 0
-U 1fde9cd2 frag u_view 848 mat4 1 0
-U 1fde9cd2 frag u_tint 912 vec3 1 0
-U 1fde9cd2 frag u_rough_scale 924 float 1 0
-U 1fde9cd2 frag u_emissive 928 float 1 0
+U 1fde9cd2 frag u_fac_base_inv 848 vec4 1 0
+U 1fde9cd2 frag u_fac_mr_inv 864 vec2 1 0
+U 1fde9cd2 frag u_fac_emis 880 vec3 1 0
+U 1fde9cd2 frag u_view 896 mat4 1 0
+U 1fde9cd2 frag u_tint 960 vec3 1 0
+U 1fde9cd2 frag u_rough_scale 972 float 1 0
+U 1fde9cd2 frag u_emissive 976 float 1 0
 T 1fde9cd2 u_arm 2
 T 1fde9cd2 u_blade_tex 3
 T 1fde9cd2 u_brdf 4
@@ -2897,7 +2945,7 @@ I a5ad521e a_joints 5 vec4
 I a5ad521e a_pos 0 vec3
 I a5ad521e a_nrm 1 vec3
 I a5ad521e a_uv 2 vec2
-B a5ad521e frag 1 932
+B a5ad521e frag 1 980
 U a5ad521e frag u_cascade_vp 0 mat4 5 64
 U a5ad521e frag u_cascade_split 320 float 5 16
 U a5ad521e frag u_cascade_range 400 float 5 16
@@ -2935,10 +2983,13 @@ U a5ad521e frag u_fog_inscatter 820 float 1 0
 U a5ad521e frag u_fog_desat 824 float 1 0
 U a5ad521e frag u_fog_wall 828 float 1 0
 U a5ad521e frag u_model_h 832 float 1 0
-U a5ad521e frag u_view 848 mat4 1 0
-U a5ad521e frag u_tint 912 vec3 1 0
-U a5ad521e frag u_rough_scale 924 float 1 0
-U a5ad521e frag u_emissive 928 float 1 0
+U a5ad521e frag u_fac_base_inv 848 vec4 1 0
+U a5ad521e frag u_fac_mr_inv 864 vec2 1 0
+U a5ad521e frag u_fac_emis 880 vec3 1 0
+U a5ad521e frag u_view 896 mat4 1 0
+U a5ad521e frag u_tint 960 vec3 1 0
+U a5ad521e frag u_rough_scale 972 float 1 0
+U a5ad521e frag u_emissive 976 float 1 0
 T a5ad521e u_arm 2
 T a5ad521e u_blade_tex 3
 T a5ad521e u_brdf 4
@@ -3858,7 +3909,7 @@ I b20fdcb5 i_ground 6 vec4
 I b20fdcb5 a_pos 0 vec3
 I b20fdcb5 i_tint 5 vec4
 I b20fdcb5 a_uv 2 vec2
-B b20fdcb5 frag 1 980
+B b20fdcb5 frag 1 1028
 U b20fdcb5 frag u_cascade_vp 0 mat4 5 64
 U b20fdcb5 frag u_cascade_split 320 float 5 16
 U b20fdcb5 frag u_cascade_range 400 float 5 16
@@ -3896,14 +3947,17 @@ U b20fdcb5 frag u_fog_inscatter 820 float 1 0
 U b20fdcb5 frag u_fog_desat 824 float 1 0
 U b20fdcb5 frag u_fog_wall 828 float 1 0
 U b20fdcb5 frag u_model_h 832 float 1 0
-U b20fdcb5 frag u_view 848 mat4 1 0
-U b20fdcb5 frag u_tint 912 vec3 1 0
-U b20fdcb5 frag u_rough_scale 924 float 1 0
-U b20fdcb5 frag u_emissive 928 float 1 0
-U b20fdcb5 frag u_blade_base 944 vec3 1 0
-U b20fdcb5 frag u_blade_tip 960 vec3 1 0
-U b20fdcb5 frag u_blade_cols 972 float 1 0
-U b20fdcb5 frag u_blade_tex_on 976 float 1 0
+U b20fdcb5 frag u_fac_base_inv 848 vec4 1 0
+U b20fdcb5 frag u_fac_mr_inv 864 vec2 1 0
+U b20fdcb5 frag u_fac_emis 880 vec3 1 0
+U b20fdcb5 frag u_view 896 mat4 1 0
+U b20fdcb5 frag u_tint 960 vec3 1 0
+U b20fdcb5 frag u_rough_scale 972 float 1 0
+U b20fdcb5 frag u_emissive 976 float 1 0
+U b20fdcb5 frag u_blade_base 992 vec3 1 0
+U b20fdcb5 frag u_blade_tip 1008 vec3 1 0
+U b20fdcb5 frag u_blade_cols 1020 float 1 0
+U b20fdcb5 frag u_blade_tex_on 1024 float 1 0
 T b20fdcb5 u_arm 2
 T b20fdcb5 u_blade_tex 3
 T b20fdcb5 u_brdf 4