/*
-(c) 2010 Perttu Ahola <celeron55@gmail.com>
+Minetest-c55
+Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "mapblock.h"
u8 alpha = 255;
- if(material == MATERIAL_WATER)
+ if(material == MATERIAL_WATER || material == MATERIAL_OCEAN)
{
alpha = 128;
}
/*
Gets node material from any place relative to block.
- Returns MATERIAL_AIR if doesn't exist.
+ Returns MATERIAL_IGNORE if doesn't exist or should not be drawn.
*/
u8 MapBlock::getNodeMaterial(v3s16 p)
{
try{
MapNode n = getNodeParent(p);
- return n.d;
+
+ return content_cube_material(n.d);
}
catch(InvalidPositionException &e)
{
}
}
+/*
+ This is used because CMeshBuffer::append() is very slow
+*/
+struct PreMeshBuffer
+{
+ video::SMaterial material;
+ core::array<u16> indices;
+ core::array<video::S3DVertex> vertices;
+};
+
+class MeshCollector
+{
+public:
+ void append(
+ video::SMaterial material,
+ const video::S3DVertex* const vertices,
+ u32 numVertices,
+ const u16* const indices,
+ u32 numIndices
+ )
+ {
+ PreMeshBuffer *p = NULL;
+ for(u32 i=0; i<m_prebuffers.size(); i++)
+ {
+ PreMeshBuffer &pp = m_prebuffers[i];
+ if(pp.material != material)
+ continue;
+
+ p = &pp;
+ break;
+ }
+
+ if(p == NULL)
+ {
+ PreMeshBuffer pp;
+ pp.material = material;
+ m_prebuffers.push_back(pp);
+ p = &m_prebuffers[m_prebuffers.size()-1];
+ }
+
+ u32 vertex_count = p->vertices.size();
+ for(u32 i=0; i<numIndices; i++)
+ {
+ u32 j = indices[i] + vertex_count;
+ if(j > 65535)
+ {
+ dstream<<"FIXME: Meshbuffer ran out of indices"<<std::endl;
+ // NOTE: Fix is to just add an another MeshBuffer
+ }
+ p->indices.push_back(j);
+ }
+ for(u32 i=0; i<numVertices; i++)
+ {
+ p->vertices.push_back(vertices[i]);
+ }
+ }
+
+ void fillMesh(scene::SMesh *mesh)
+ {
+ /*dstream<<"Filling mesh with "<<m_prebuffers.size()
+ <<" meshbuffers"<<std::endl;*/
+ for(u32 i=0; i<m_prebuffers.size(); i++)
+ {
+ PreMeshBuffer &p = m_prebuffers[i];
+
+ /*dstream<<"p.vertices.size()="<<p.vertices.size()
+ <<", p.indices.size()="<<p.indices.size()
+ <<std::endl;*/
+
+ // Create meshbuffer
+
+ // This is a "Standard MeshBuffer",
+ // it's a typedeffed CMeshBuffer<video::S3DVertex>
+ scene::SMeshBuffer *buf = new scene::SMeshBuffer();
+ // Set material
+ buf->Material = p.material;
+ //((scene::SMeshBuffer*)buf)->Material = p.material;
+ // Use VBO
+ //buf->setHardwareMappingHint(scene::EHM_STATIC);
+ // Add to mesh
+ mesh->addMeshBuffer(buf);
+ // Mesh grabbed it
+ buf->drop();
+
+ buf->append(p.vertices.pointer(), p.vertices.size(),
+ p.indices.pointer(), p.indices.size());
+ }
+ }
+
+private:
+ core::array<PreMeshBuffer> m_prebuffers;
+};
+
void MapBlock::updateMesh()
{
/*v3s16 p = getPosRelative();
if(fastfaces_new->getSize() > 0)
{
- mesh_new = new scene::SMesh();
- scene::IMeshBuffer *buf = NULL;
+ MeshCollector collector;
core::list<FastFace*>::Iterator i = fastfaces_new->begin();
- // MATERIAL_AIR shouldn't be used by any face
- u8 material_in_use = MATERIAL_AIR;
-
for(; i != fastfaces_new->end(); i++)
{
FastFace *f = *i;
-
- if(f->material != material_in_use || buf == NULL)
- {
- // Try to get a meshbuffer associated with the material
- 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();
- // 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};
- buf->append(f->vertices, 4, indices, 6);
+ const u16 indices[] = {0,1,2,2,3,0};
+
+ collector.append(g_materials[f->material], f->vertices, 4,
+ indices, 6);
}
+ mesh_new = new scene::SMesh();
+
+ collector.fillMesh(mesh_new);
+
// Use VBO for mesh (this just would set this for ever buffer)
//mesh_new->setHardwareMappingHint(scene::EHM_STATIC);
/*std::cout<<"MapBlock has "<<fastfaces_new->getSize()<<" faces "
<<"and uses "<<mesh_new->getMeshBufferCount()
- <<" materials"<<std::endl;*/
+ <<" materials (meshbuffers)"<<std::endl;*/
}
+
+ /*
+ Clear temporary FastFaces
+ */
- // TODO: Get rid of the FastFace stage
core::list<FastFace*>::Iterator i;
i = fastfaces_new->begin();
for(; i != fastfaces_new->end(); i++)
fastfaces_new->clear();
delete fastfaces_new;
+ /*
+ Add special graphics:
+ - torches
+ */
+
+ for(s16 z=0; z<MAP_BLOCKSIZE; z++)
+ for(s16 y=0; y<MAP_BLOCKSIZE; y++)
+ for(s16 x=0; x<MAP_BLOCKSIZE; x++)
+ {
+ v3s16 p(x,y,z);
+ }
+
/*
Replace the mesh
*/
return block_below_is_valid;
}
+void MapBlock::copyTo(VoxelManipulator &dst)
+{
+ v3s16 data_size(MAP_BLOCKSIZE, MAP_BLOCKSIZE, MAP_BLOCKSIZE);
+ VoxelArea data_area(v3s16(0,0,0), data_size - v3s16(1,1,1));
+
+ dst.copyFrom(data, data_area, v3s16(0,0,0),
+ getPosRelative(), data_size);
+}
+
/*
Serialization
*/
paramdata[i] = data[i].param;
}
compress(paramdata, os, version);
+
+ if(version >= 10)
+ {
+ // Get and compress pressure
+ SharedBuffer<u8> pressuredata(nodecount);
+ for(u32 i=0; i<nodecount; i++)
+ {
+ pressuredata[i] = data[i].pressure;
+ }
+ compress(pressuredata, os, version);
+ }
}
}
data[i].param = s[i];
}
}
+
+ if(version >= 10)
+ {
+ // Uncompress and set pressure data
+ std::ostringstream os(std::ios_base::binary);
+ decompress(is, os, version);
+ std::string s = os.str();
+ if(s.size() != nodecount)
+ throw SerializationError
+ ("MapBlock::deSerialize: invalid format");
+ for(u32 i=0; i<s.size(); i++)
+ {
+ data[i].pressure = s[i];
+ }
+ }
}
}