From bca6647670a8127b6fe74e5b2ca66a825066f8c8 Mon Sep 17 00:00:00 2001
From: Lukas Rieger <TBlueF@users.noreply.github.com>
Date: Mon, 19 Aug 2024 08:37:01 +0200
Subject: [PATCH] Add support for emissive textures (#601)

---
 .../core/map/hires/blockmodel/ResourceModelBuilder.java     | 5 +++--
 .../resources/pack/resourcepack/blockmodel/Element.java     | 6 ++++++
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/map/hires/blockmodel/ResourceModelBuilder.java b/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/map/hires/blockmodel/ResourceModelBuilder.java
index 3e709484..d5cd5c49 100644
--- a/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/map/hires/blockmodel/ResourceModelBuilder.java
+++ b/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/map/hires/blockmodel/ResourceModelBuilder.java
@@ -305,8 +305,9 @@ private void createElementFace(Element element, Direction faceDir, VectorM3f c0,
         }
 
         // ####### blocklight
-        tileModel.setBlocklight(face1, blockLight);
-        tileModel.setBlocklight(face2, blockLight);
+        int emissiveBlockLight = Math.max(blockLight, element.getLightEmission());
+        tileModel.setBlocklight(face1, emissiveBlockLight);
+        tileModel.setBlocklight(face2, emissiveBlockLight);
 
         // ####### sunlight
         tileModel.setSunlight(face1, sunLight);
diff --git a/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/resources/pack/resourcepack/blockmodel/Element.java b/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/resources/pack/resourcepack/blockmodel/Element.java
index 95093935..38ce530b 100644
--- a/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/resources/pack/resourcepack/blockmodel/Element.java
+++ b/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/resources/pack/resourcepack/blockmodel/Element.java
@@ -46,6 +46,7 @@ public class Element {
     private Vector3f from = FULL_BLOCK_MIN, to = FULL_BLOCK_MAX;
     private Rotation rotation = Rotation.ZERO;
     private boolean shade = true;
+    private int lightEmission = 0;
     private EnumMap<Direction, Face> faces = new EnumMap<>(Direction.class);
 
     @SuppressWarnings("unused")
@@ -56,6 +57,7 @@ private Element(Element copyFrom) {
         this.to = copyFrom.to;
         this.rotation = copyFrom.rotation;
         this.shade = copyFrom.shade;
+        this.lightEmission = copyFrom.lightEmission;
 
         copyFrom.faces.forEach((direction, face) -> this.faces.put(direction, face.copy()));
     }
@@ -132,6 +134,10 @@ public boolean isShade() {
         return shade;
     }
 
+    public int getLightEmission() {
+        return lightEmission;
+    }
+
     public EnumMap<Direction, Face> getFaces() {
         return faces;
     }