feat: transparent block renders

3 files changed, 41 insertions, 25 deletions

diff --git a/src/main/kotlin/util/IntUtil.kt b/src/main/kotlin/util/IntUtil.kt
new file mode 100644
index 0000000..2695906
--- /dev/null
+++ b/src/main/kotlin/util/IntUtil.kt
@@ -0,0 +1,12 @@
+package moe.nea.firmament.util
+
+object IntUtil {
+	data class RGBA(val r: Int, val g: Int, val b: Int, val a: Int)
+
+	fun Int.toRGBA(): RGBA {
+		return RGBA(
+			r = (this shr 16) and 0xFF, g = (this shr 8) and 0xFF, b = this and 0xFF, a = (this shr 24) and 0xFF
+		)
+	}
+
+}
diff --git a/src/main/kotlin/util/render/CustomRenderLayers.kt b/src/main/kotlin/util/render/CustomRenderLayers.kt
index 3d9e598..f713a81 100644
--- a/src/main/kotlin/util/render/CustomRenderLayers.kt
+++ b/src/main/kotlin/util/render/CustomRenderLayers.kt
@@ -39,6 +39,7 @@ object CustomRenderPipelines {
 			.withDepthTestFunction(DepthTestFunction.NO_DEPTH_TEST)
 			.withCull(false)
 			.withDepthWrite(false)
+			.withBlend(BlendFunction.TRANSLUCENT)
 			.build()
 
 	val CIRCLE_FILTER_TRANSLUCENT_GUI_TRIS =
diff --git a/src/main/kotlin/util/render/RenderInWorldContext.kt b/src/main/kotlin/util/render/RenderInWorldContext.kt
index 98b10ca..4963920 100644
--- a/src/main/kotlin/util/render/RenderInWorldContext.kt
+++ b/src/main/kotlin/util/render/RenderInWorldContext.kt
@@ -20,6 +20,7 @@ import net.minecraft.util.math.BlockPos
 import net.minecraft.util.math.Vec3d
 import moe.nea.firmament.events.WorldRenderLastEvent
 import moe.nea.firmament.util.FirmFormatters
+import moe.nea.firmament.util.IntUtil.toRGBA
 import moe.nea.firmament.util.MC
 
 @RenderContextDSL
@@ -204,37 +205,39 @@ class RenderInWorldContext private constructor(
 			}
 		}
 
-		private fun buildCube(matrix: Matrix4f, buf: VertexConsumer, color: Int) {
+		private fun buildCube(matrix: Matrix4f, buf: VertexConsumer, colorInt: Int) {
+			val (r, g, b, a) = colorInt.toRGBA()
+
 			// Y-
-			buf.vertex(matrix, 0F, 0F, 0F).color(color)
-			buf.vertex(matrix, 0F, 0F, 1F).color(color)
-			buf.vertex(matrix, 1F, 0F, 1F).color(color)
-			buf.vertex(matrix, 1F, 0F, 0F).color(color)
+			buf.vertex(matrix, 0F, 0F, 0F).color(r, g, b, a)
+			buf.vertex(matrix, 0F, 0F, 1F).color(r, g, b, a)
+			buf.vertex(matrix, 1F, 0F, 1F).color(r, g, b, a)
+			buf.vertex(matrix, 1F, 0F, 0F).color(r, g, b, a)
 			// Y+
-			buf.vertex(matrix, 0F, 1F, 0F).color(color)
-			buf.vertex(matrix, 1F, 1F, 0F).color(color)
-			buf.vertex(matrix, 1F, 1F, 1F).color(color)
-			buf.vertex(matrix, 0F, 1F, 1F).color(color)
+			buf.vertex(matrix, 0F, 1F, 0F).color(r, g, b, a)
+			buf.vertex(matrix, 1F, 1F, 0F).color(r, g, b, a)
+			buf.vertex(matrix, 1F, 1F, 1F).color(r, g, b, a)
+			buf.vertex(matrix, 0F, 1F, 1F).color(r, g, b, a)
 			// X-
-			buf.vertex(matrix, 0F, 0F, 0F).color(color)
-			buf.vertex(matrix, 0F, 0F, 1F).color(color)
-			buf.vertex(matrix, 0F, 1F, 1F).color(color)
-			buf.vertex(matrix, 0F, 1F, 0F).color(color)
+			buf.vertex(matrix, 0F, 0F, 0F).color(r, g, b, a)
+			buf.vertex(matrix, 0F, 0F, 1F).color(r, g, b, a)
+			buf.vertex(matrix, 0F, 1F, 1F).color(r, g, b, a)
+			buf.vertex(matrix, 0F, 1F, 0F).color(r, g, b, a)
 			// X+
-			buf.vertex(matrix, 1F, 0F, 0F).color(color)
-			buf.vertex(matrix, 1F, 1F, 0F).color(color)
-			buf.vertex(matrix, 1F, 1F, 1F).color(color)
-			buf.vertex(matrix, 1F, 0F, 1F).color(color)
+			buf.vertex(matrix, 1F, 0F, 0F).color(r, g, b, a)
+			buf.vertex(matrix, 1F, 1F, 0F).color(r, g, b, a)
+			buf.vertex(matrix, 1F, 1F, 1F).color(r, g, b, a)
+			buf.vertex(matrix, 1F, 0F, 1F).color(r, g, b, a)
 			// Z-
-			buf.vertex(matrix, 0F, 0F, 0F).color(color)
-			buf.vertex(matrix, 1F, 0F, 0F).color(color)
-			buf.vertex(matrix, 1F, 1F, 0F).color(color)
-			buf.vertex(matrix, 0F, 1F, 0F).color(color)
+			buf.vertex(matrix, 0F, 0F, 0F).color(r, g, b, a)
+			buf.vertex(matrix, 1F, 0F, 0F).color(r, g, b, a)
+			buf.vertex(matrix, 1F, 1F, 0F).color(r, g, b, a)
+			buf.vertex(matrix, 0F, 1F, 0F).color(r, g, b, a)
 			// Z+
-			buf.vertex(matrix, 0F, 0F, 1F).color(color)
-			buf.vertex(matrix, 0F, 1F, 1F).color(color)
-			buf.vertex(matrix, 1F, 1F, 1F).color(color)
-			buf.vertex(matrix, 1F, 0F, 1F).color(color)
+			buf.vertex(matrix, 0F, 0F, 1F).color(r, g, b, a)
+			buf.vertex(matrix, 0F, 1F, 1F).color(r, g, b, a)
+			buf.vertex(matrix, 1F, 1F, 1F).color(r, g, b, a)
+			buf.vertex(matrix, 1F, 0F, 1F).color(r, g, b, a)
 		}