Static background node.

Shaders/world/world.frag.glsl

@@ -36,6 +36,10 @@ precision mediump float;
 #ifdef _EnvTex
 	uniform sampler2D envmap;
 #endif
+#ifdef _EnvImg // Static background
+	uniform vec2 screenSize;
+	uniform sampler2D envmap;
+#endif
 
 // uniform sampler2D gbufferD;
 uniform float envmapStrength; // From world material
@@ -193,6 +197,12 @@ void main() {
 #endif
 #endif
 
+#ifdef _EnvImg // Static background
+	// Will have to get rid of gl_FragCoord, pass tc from VS
+	vec2 texco = gl_FragCoord.xy / screenSize;
+	vec3 R = texture(envmap, vec2(texco.x, 1.0 - texco.y)).rgb * envmapStrength;
+#endif
+
 #ifdef _EnvSky
 	vec3 n = normalize(normal);
 	vec3 sunDir = vec3(sunDirection.x, -sunDirection.y, sunDirection.z);	

Shaders/world/world.shader.json

@@ -79,6 +79,11 @@
 					"name": "eye",
 					"link": "_cameraPosition",
 					"ifdef": ["_XEnvClouds"]
+				},
+				{
+					"name": "screenSize",
+					"link": "_screenSize",
+					"ifdef": ["_EnvImg"]
 				}
 			],
 			"texture_params": [],

blender/exporter.py

@@ -1924,7 +1924,7 @@ class ArmoryExporter:
         elif objtype == 'SPOT':
             o['type'] = 'spot'
             o['spot_size'] = math.cos(objref.spot_size / 2)
-            o['spot_blend'] = objref.spot_blend
+            o['spot_blend'] = objref.spot_blend / 10 # Cycles defaults to 0.15
         else: # Hemi, area
             o['type'] = 'sun'
 

blender/make_material.py

@@ -100,6 +100,7 @@ def make_texture(self, id, image_node, material, image_format='RGBA32'):
             # Link image path to assets
             assets.add(armutils.safe_assetpath(image.filepath))
         # Reference image name
+        powimage = is_pow(image.size[0]) and is_pow(image.size[1])
         tex['file'] = armutils.extract_filename(image.filepath)
         tex['file'] = armutils.safe_filename(tex['file'])
         if image_format != 'RGBA32':
@@ -118,7 +119,7 @@ def make_texture(self, id, image_node, material, image_format='RGBA32'):
             tex['u_addressing'] = 'clamp'
             tex['v_addressing'] = 'clamp'
         else:
-            if bpy.data.worlds['Arm'].npot_texture_repeat == False and (is_pow(image.size[0]) == False or is_pow(image.size[1]) == False):
+            if bpy.data.worlds['Arm'].npot_texture_repeat == False and powimage == False:
                 print('Armory Warning: ' + material.name + '/' + image.name + ' - non power of 2 texture can not use repeat mode')
                 tex['u_addressing'] = 'clamp'
                 tex['v_addressing'] = 'clamp'

blender/make_world.py

@@ -46,7 +46,10 @@ def build_node_tree(world):
     # Clear to color if no texture or sky is provided
     wrd = bpy.data.worlds['Arm']
     if '_EnvSky' not in wrd.world_defs and '_EnvTex' not in wrd.world_defs:
-        wrd.world_defs += '_EnvCol'
+        
+        if '_EnvImg' not in wrd.world_defs:
+            wrd.world_defs += '_EnvCol'
+        
         # Irradiance json file name
         world.world_envtex_name = world.name
         world.world_envtex_irr_name = world.name
@@ -175,6 +178,40 @@ def parse_color(world, node, context, envmap_strength_const):
         if generate_radiance:
             bpy.data.worlds['Arm'].world_defs += '_Rad'
     
+
+    # Static image background
+    elif node.type == 'TEX_IMAGE':
+        bpy.data.worlds['Arm'].world_defs += '_EnvImg'
+        texture = {}
+        context['bind_textures'].append(texture)
+        texture['name'] = 'envmap'
+        # No repeat for now
+        texture['u_addressing'] = 'clamp'
+        texture['v_addressing'] = 'clamp'
+        
+        image = node.image
+        filepath = image.filepath
+
+        if image.packed_file != None:
+            # Extract packed data
+            filepath = '/build/compiled/Assets/unpacked'
+            unpack_path = armutils.get_fp() + filepath
+            if not os.path.exists(unpack_path):
+                os.makedirs(unpack_path)
+            unpack_filepath = unpack_path + '/' + image.name
+            if os.path.isfile(unpack_filepath) == False or os.path.getsize(unpack_filepath) != image.packed_file.size:
+                with open(unpack_filepath, 'wb') as f:
+                    f.write(image.packed_file.data)
+            assets.add(unpack_filepath)
+        else:
+            # Link image path to assets
+            assets.add(armutils.safe_assetpath(image.filepath))
+
+        # Reference image name
+        texture['file'] = armutils.extract_filename(image.filepath)
+        texture['file'] = armutils.safe_filename(texture['file'])
+
+
     # Append sky define
     elif node.type == 'TEX_SKY':
         envmap_strength_const['float'] *= 0.25 # Match to Cycles