improve sign rendering

src/main/java/de/bixilon/minosoft/gui/rendering/font/CharData.kt

@@ -144,7 +144,7 @@ class CharData(
         }
 
         override fun addCache(cache: GUIMeshCache) {
-            throw IllegalStateException()
+            throw IllegalStateException("This is not hud!")
         }
     }
 

src/main/java/de/bixilon/minosoft/gui/rendering/font/renderer/ChatComponentRenderer.kt

@@ -57,18 +57,22 @@ interface ChatComponentRenderer<T : ChatComponent> {
         }
 
         fun render3dFlat(renderWindow: RenderWindow, position: Vec3, scale: Float, rotation: Vec3, mesh: WorldMesh, text: ChatComponent) {
+            val rotationMatrix = Mat4()
+                .rotateDegreesAssign(rotation)
+                .translateAssign(Vec3(0, 0, -1))
+
             val positionMatrix = Mat4()
                 .translateAssign(position)
-                .rotateDegreesAssign(rotation)
 
-            val text = "abcdefghijkl"
+            val transformMatrix = positionMatrix * rotationMatrix
+            val text = "abcdefghijklmnop"
 
 
             for ((index, char) in text.codePoints().toArray().withIndex()) {
                 val data = renderWindow.font[char] ?: continue
                 val color = ChatColors[index % ChatColors.VALUES.size]
-                val width = data.render3d(positionMatrix, mesh, color, false, false, false, false, false, scale) + Font.HORIZONTAL_SPACING
-                positionMatrix.translateAssign(Vec3((width / TEXT_BLOCK_RESOLUTION) * scale, 0, 0))
+                val width = data.render3d(transformMatrix, mesh, color, false, false, false, false, false, scale) + Font.HORIZONTAL_SPACING
+                transformMatrix.translateAssign(Vec3((width / TEXT_BLOCK_RESOLUTION) * scale, 0, 0))
             }
         }
     }

src/main/java/de/bixilon/minosoft/gui/rendering/world/entities/renderer/sign/SignBlockEntityRenderer.kt

@@ -43,17 +43,8 @@ class SignBlockEntityRenderer(
             println("Rendering wall sign at $position (${block.resourceLocation})")
             val rotation = this.blockState.properties[BlockProperties.FACING].nullCast<Directions>() ?: Directions.NORTH
 
-            val yRotation = when (rotation) {
-                Directions.NORTH -> 0.0f
-                Directions.EAST -> 90.0f
-                Directions.SOUTH -> 180.0f
-                Directions.WEST -> 270.0f
-                else -> TODO()
-            }
-
-            val rotationVector = Vec3(180.0f, yRotation, 180.0f)
             for ((index, line) in sign.lines.withIndex()) {
-                ChatComponentRenderer.render3dFlat(renderWindow, position.toVec3 + Vec3(0.95f, 0.75f - (index * 0.1f), 1.86f), 1.0f, rotationVector, mesh, line)
+                ChatComponentRenderer.render3dFlat(renderWindow, position.toVec3 + Vec3(PIXEL_SCALE * 5, 0.75f - (index * 0.11f), 0.126f), 1.2f, Vec3(0.0f, 0.0f, 0.0f), mesh, line)
             }
         }
 
@@ -61,4 +52,8 @@ class SignBlockEntityRenderer(
 
         return true
     }
+
+    companion object {
+        private const val PIXEL_SCALE = 1.0f / ChatComponentRenderer.TEXT_BLOCK_RESOLUTION
+    }
 }

src/main/java/de/bixilon/minosoft/gui/rendering/world/preparer/cull/SolidCullSectionPreparer.kt

@@ -166,7 +166,7 @@ class SolidCullSectionPreparer(
                         random.setSeed(0L)
                     }
                     tints = tintColorCalculator.getAverageTint(chunk, neighbourChunks, blockState, x, y, z)
-                    rendered = false // rendered = model.singleRender(position, mesh, random, blockState, neighbourBlocks, light, ambientLight, tints)
+                    rendered = model.singleRender(position, mesh, random, blockState, neighbourBlocks, light, ambientLight, tints)
 
                     if (blockEntityModel is MeshedBlockEntityRenderer<*>) {
                         rendered = blockEntityModel.singleRender(position, mesh, random, blockState, neighbourBlocks, light, ambientLight, tints) || rendered