From b44da4916aa09b27155ce6675cccbcc128b5a66c Mon Sep 17 00:00:00 2001
From: RealBadAngel <maciej.kasatkin@o2.pl>
Date: Sun, 7 Feb 2016 04:08:43 +0100
Subject: Cleanup selection mesh code, add shaders for halo and selection boxes

---
 src/mesh.cpp | 42 ++++++++++++++++++++++++------------------
 1 file changed, 24 insertions(+), 18 deletions(-)

(limited to 'src/mesh.cpp')

diff --git a/src/mesh.cpp b/src/mesh.cpp
index a800ddf1e..d79f545f3 100644
--- a/src/mesh.cpp
+++ b/src/mesh.cpp
@@ -405,9 +405,11 @@ scene::IMesh* cloneMesh(scene::IMesh *src_mesh)
 	return dst_mesh;
 }
 
-scene::IMesh* convertNodeboxNodeToMesh(ContentFeatures *f)
+scene::IMesh* convertNodeboxesToMesh(const std::vector<aabb3f> &boxes,
+		const f32 *uv_coords)
 {
 	scene::SMesh* dst_mesh = new scene::SMesh();
+
 	for (u16 j = 0; j < 6; j++)
 	{
 		scene::IMeshBuffer *buf = new scene::SMeshBuffer();
@@ -416,12 +418,10 @@ scene::IMesh* convertNodeboxNodeToMesh(ContentFeatures *f)
 		dst_mesh->addMeshBuffer(buf);
 		buf->drop();
 	}
-	
+
 	video::SColor c(255,255,255,255);	
 
-	std::vector<aabb3f> boxes = f->node_box.fixed;
-		
-	for(std::vector<aabb3f>::iterator
+	for(std::vector<aabb3f>::const_iterator
 			i = boxes.begin();
 			i != boxes.end(); ++i)
 	{
@@ -446,27 +446,33 @@ scene::IMesh* convertNodeboxNodeToMesh(ContentFeatures *f)
 				box.MinEdge.Z=box.MaxEdge.Z;
 				box.MaxEdge.Z=temp;
 			}
-		// Compute texture coords
-		f32 tx1 = (box.MinEdge.X/BS)+0.5;
-		f32 ty1 = (box.MinEdge.Y/BS)+0.5;
-		f32 tz1 = (box.MinEdge.Z/BS)+0.5;
-		f32 tx2 = (box.MaxEdge.X/BS)+0.5;
-		f32 ty2 = (box.MaxEdge.Y/BS)+0.5;
-		f32 tz2 = (box.MaxEdge.Z/BS)+0.5;
-		f32 txc[24] = {
+
+		// Compute texture UV coords
+		f32 tx1 = (box.MinEdge.X / BS) + 0.5;
+		f32 ty1 = (box.MinEdge.Y / BS) + 0.5;
+		f32 tz1 = (box.MinEdge.Z / BS) + 0.5;
+		f32 tx2 = (box.MaxEdge.X / BS) + 0.5;
+		f32 ty2 = (box.MaxEdge.Y / BS) + 0.5;
+		f32 tz2 = (box.MaxEdge.Z / BS) + 0.5;
+
+		f32 txc_default[24] = {
 			// up
-			tx1, 1-tz2, tx2, 1-tz1,
+			tx1, 1 - tz2, tx2, 1 - tz1,
 			// down
 			tx1, tz1, tx2, tz2,
 			// right
-			tz1, 1-ty2, tz2, 1-ty1,
+			tz1, 1 - ty2, tz2, 1 - ty1,
 			// left
-			1-tz2, 1-ty2, 1-tz1, 1-ty1,
+			1 - tz2, 1 - ty2, 1 - tz1, 1 - ty1,
 			// back
-			1-tx2, 1-ty2, 1-tx1, 1-ty1,
+			1 - tx2, 1 - ty2, 1 - tx1, 1 - ty1,
 			// front
-			tx1, 1-ty2, tx2, 1-ty1,
+			tx1, 1 - ty2, tx2, 1 - ty1,
 		};
+
+		// use default texture UV mapping if not provided
+		const f32 *txc = uv_coords ? uv_coords : txc_default;
+
 		v3f min = box.MinEdge;
 		v3f max = box.MaxEdge;
 
-- 
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