From aaafb5add0914f0b120d7400e9615f8ab03d6be2 Mon Sep 17 00:00:00 2001
From: Perttu Ahola <celeron55@gmail.com>
Date: Mon, 29 Nov 2010 13:04:03 +0200
Subject: [PATCH] reversed meshbuffer cache

---
 src/mapblock.cpp | 62 +++++++++++-------------------------------------
 1 file changed, 14 insertions(+), 48 deletions(-)

diff --git a/src/mapblock.cpp b/src/mapblock.cpp
index f525ed3e9..25561008a 100644
--- a/src/mapblock.cpp
+++ b/src/mapblock.cpp
@@ -297,8 +297,6 @@ void MapBlock::updateMesh()
 
 	core::list<FastFace*> *fastfaces_new = new core::list<FastFace*>;
 	
-	//TimeTaker timer1("updateMesh1", g_device);
-
 	/*
 		We are including the faces of the trailing edges of the block.
 		This means that when something changes, the caller must
@@ -342,26 +340,12 @@ void MapBlock::updateMesh()
 		}
 	}
 
-	//timer1.stop();
-	//TimeTaker timer2("updateMesh2", g_device);
-
 	scene::SMesh *mesh_new = NULL;
-
-	//s32 appendtime = 0;
 	
 	if(fastfaces_new->getSize() > 0)
 	{
 		mesh_new = new scene::SMesh();
 		scene::IMeshBuffer *buf = NULL;
-		
-		/*
-			Buffer for lesser calls to
-			mesh_new->getMeshBuffer(g_materials[f->material]),
-			which is slow.
-
-			key = material id, value = meshbuffer of that material
-		*/
-		core::map<u8, scene::IMeshBuffer*> bufs;
 
 		core::list<FastFace*>::Iterator i = fastfaces_new->begin();
 
@@ -375,43 +359,27 @@ void MapBlock::updateMesh()
 			if(f->material != material_in_use || buf == NULL)
 			{
 				// Try to get a meshbuffer associated with the material
-				core::map<u8, scene::IMeshBuffer*>::Node*
-						n = bufs.find(f->material);
-
-				if(n != NULL)
+				buf = mesh_new->getMeshBuffer(g_materials[f->material]);
+				// If not found, create one
+				if(buf == NULL)
 				{
-					buf = n->getValue();
-				}
-				else
-				{
-					buf = mesh_new->getMeshBuffer(g_materials[f->material]);
-					// If not found, create one
-					if(buf == NULL)
-					{
-						// This is a "Standard MeshBuffer",
-						// it's a typedeffed CMeshBuffer<video::S3DVertex>
-						buf = new scene::SMeshBuffer();
-						bufs[f->material] = buf;
-						// Set material
-						((scene::SMeshBuffer*)buf)->Material = g_materials[f->material];
-						// Use VBO
-						//buf->setHardwareMappingHint(scene::EHM_STATIC);
-						// Add to mesh
-						mesh_new->addMeshBuffer(buf);
-						// Mesh grabbed it
-						buf->drop();
-					}
+					// This is a "Standard MeshBuffer",
+					// it's a typedeffed CMeshBuffer<video::S3DVertex>
+					buf = new scene::SMeshBuffer();
+					// Set material
+					((scene::SMeshBuffer*)buf)->Material = g_materials[f->material];
+					// Use VBO
+					//buf->setHardwareMappingHint(scene::EHM_STATIC);
+					// Add to mesh
+					mesh_new->addMeshBuffer(buf);
+					// Mesh grabbed it
+					buf->drop();
 				}
 				material_in_use = f->material;
 			}
 
 			u16 indices[] = {0,1,2,2,3,0};
-
-			//TimeTaker timer("", g_device);
-
 			buf->append(f->vertices, 4, indices, 6);
-			
-			//appendtime += timer.stop(true);
 		}
 
 		// Use VBO for mesh (this just would set this for ever buffer)
@@ -422,8 +390,6 @@ void MapBlock::updateMesh()
 				<<" materials"<<std::endl;*/
 	}
 
-	//dstream<<"appendtime="<<appendtime<<std::endl;
-
 	// TODO: Get rid of the FastFace stage
 	core::list<FastFace*>::Iterator i;
 	i = fastfaces_new->begin();