/* Minetest-c55 Copyright (C) 2010-2011 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. */ #ifndef MAPBLOCK_MESH_HEADER #define MAPBLOCK_MESH_HEADER #include "common_irrlicht.h" #include "mapblock_nodemod.h" #include "voxel.h" /* Mesh making stuff */ /* 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; }; class MapBlock; struct MeshMakeData { u32 m_daynight_ratio; NodeModMap m_temp_mods; VoxelManipulator m_vmanip; v3s16 m_blockpos; /* Copy central data directly from block, and other data from parent of block. */ void fill(u32 daynight_ratio, MapBlock *block); }; scene::SMesh* makeMapBlockMesh(MeshMakeData *data); #endif