Drop never documented 'alpha' property from nodedef

Includes minimal support code for practical reasons.
We'll need it for a slightly different purpose next commit.

1 files changed, 0 insertions, 20 deletions

diff --git a/src/nodedef.cpp b/src/nodedef.cpp
index 1740b010a..b2cfd1f87 100644
--- a/src/nodedef.cpp
+++ b/src/nodedef.cpp
@@ -491,21 +491,6 @@ void ContentFeatures::serialize(std::ostream &os, u16 protocol_version) const
 	writeU8(os, leveled_max);
 }
 
-void ContentFeatures::correctAlpha(TileDef *tiles, int length)
-{
-	// alpha == 0 means that the node is using texture alpha
-	if (alpha == 0 || alpha == 255)
-		return;
-
-	for (int i = 0; i < length; i++) {
-		if (tiles[i].name.empty())
-			continue;
-		std::stringstream s;
-		s << tiles[i].name << "^[noalpha^[opacity:" << ((int)alpha);
-		tiles[i].name = s.str();
-	}
-}
-
 void ContentFeatures::deSerialize(std::istream &is)
 {
 	// version detection
@@ -874,11 +859,6 @@ void ContentFeatures::updateTextures(ITextureSource *tsrc, IShaderSource *shdsrc
 	}
 
 	if (is_liquid) {
-		// Vertex alpha is no longer supported, correct if necessary.
-		correctAlpha(tdef, 6);
-		correctAlpha(tdef_overlay, 6);
-		correctAlpha(tdef_spec, CF_SPECIAL_COUNT);
-
 		if (waving == 3) {
 			material_type = (alpha == 255) ? TILE_MATERIAL_WAVING_LIQUID_OPAQUE :
 				TILE_MATERIAL_WAVING_LIQUID_TRANSPARENT;