LuaVoxelManip: Error when given out-of-bounds area - minetest.git

diff options

author	kwolekr <kwolekr@minetest.net>	2015-01-04 03:07:28 -0500
committer	kwolekr <kwolekr@minetest.net>	2015-01-04 03:07:28 -0500
commit	ef8ed5d127f2c698586efdfd254c8e5c7ba66f19 (patch)
tree	d27296c77c3d202626b66ebfce43e8a3260282fb /src/mapgen_singlenode.cpp
parent	7233a1228eb161cbcbb46c6e801cabd89ef3d2ab (diff)
download	minetest-ef8ed5d127f2c698586efdfd254c8e5c7ba66f19.tar.gz minetest-ef8ed5d127f2c698586efdfd254c8e5c7ba66f19.tar.bz2 minetest-ef8ed5d127f2c698586efdfd254c8e5c7ba66f19.zip

LuaVoxelManip: Error when given out-of-bounds area

Diffstat (limited to 'src/mapgen_singlenode.cpp')

0 files changed, 0 insertions, 0 deletions

/* 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. */ #include "clouds.h" #include "noise.h" #include "constants.h" #include "debug.h" Clouds::Clouds( scene::ISceneNode* parent, scene::ISceneManager* mgr, s32 id, float cloud_y, u32 seed ): scene::ISceneNode(parent, mgr, id), m_cloud_y(cloud_y), m_seed(seed), m_camera_pos(0,0), m_time(0) { dstream<<__FUNCTION_NAME<<std::endl; m_material.setFlag(video::EMF_LIGHTING, false); m_material.setFlag(video::EMF_BACK_FACE_CULLING, false); m_material.setFlag(video::EMF_BILINEAR_FILTER, false); m_material.setFlag(video::EMF_FOG_ENABLE, false); //m_material.setFlag(video::EMF_ANTI_ALIASING, true); //m_material.MaterialType = video::EMT_TRANSPARENT_VERTEX_ALPHA; m_box = core::aabbox3d<f32>(-BS*1000000,cloud_y-BS,-BS*1000000, BS*1000000,cloud_y+BS,BS*1000000); } Clouds::~Clouds() { dstream<<__FUNCTION_NAME<<std::endl; } void Clouds::OnRegisterSceneNode() { if(IsVisible) { SceneManager->registerNodeForRendering(this, scene::ESNRP_SOLID); //SceneManager->registerNodeForRendering(this, scene::ESNRP_TRANSPARENT); } ISceneNode::OnRegisterSceneNode(); } #define MYROUND(x) (x > 0.0 ? (int)x : (int)x - 1) void Clouds::render() { video::IVideoDriver* driver = SceneManager->getVideoDriver(); /*if(SceneManager->getSceneNodeRenderPass() != scene::ESNRP_TRANSPARENT) return;*/ if(SceneManager->getSceneNodeRenderPass() != scene::ESNRP_SOLID) return; driver->setTransform(video::ETS_WORLD, AbsoluteTransformation); driver->setMaterial(m_material); /* Clouds move from X+ towards X- */ const s16 cloud_radius_i = 12; const float cloud_size = BS*50; const v2f cloud_speed(-BS*2, 0); // Position of cloud noise origin in world coordinates v2f world_cloud_origin_pos_f = m_time*cloud_speed; // Position of cloud noise origin from the camera v2f cloud_origin_from_camera_f = world_cloud_origin_pos_f - m_camera_pos; // The center point of drawing in the noise v2f center_of_drawing_in_noise_f = -cloud_origin_from_camera_f; // The integer center point of drawing in the noise v2s16 center_of_drawing_in_noise_i( MYROUND(center_of_drawing_in_noise_f.X / cloud_size), MYROUND(center_of_drawing_in_noise_f.Y / cloud_size) ); // The world position of the integer center point of drawing in the noise v2f world_center_of_drawing_in_noise_f = v2f( center_of_drawing_in_noise_i.X * cloud_size, center_of_drawing_in_noise_i.Y * cloud_size ) + world_cloud_origin_pos_f; for(s16 zi=-cloud_radius_i; zi<cloud_radius_i; zi++) for(s16 xi=-cloud_radius_i; xi<cloud_radius_i; xi++) { v2s16 p_in_noise_i( xi+center_of_drawing_in_noise_i.X, zi+center_of_drawing_in_noise_i.Y ); /*if((p_in_noise_i.X + p_in_noise_i.Y)%2==0) continue;*/ /*if((p_in_noise_i.X/2 + p_in_noise_i.Y/2)%2==0) continue;*/ v2f p0 = v2f(xi,zi)*cloud_size + world_center_of_drawing_in_noise_f; double noise = noise2d_perlin_abs( (float)p_in_noise_i.X*cloud_size/BS/200, (float)p_in_noise_i.Y*cloud_size/BS/200, m_seed, 3, 0.4); if(noise < 0.8) continue; v2f p1 = p0 + v2f(1,1)*cloud_size; //video::SColor c(128,255,255,255); float b = m_brightness; video::SColor c(128,b*230,b*230,b*255); video::S3DVertex vertices[4] = { video::S3DVertex(p0.X,m_cloud_y,p0.Y, 0,0,0, c, 0,1), video::S3DVertex(p0.X,m_cloud_y,p1.Y, 0,0,0, c, 1,1), video::S3DVertex(p1.X,m_cloud_y,p1.Y, 0,0,0, c, 1,0), video::S3DVertex(p1.X,m_cloud_y,p0.Y, 0,0,0, c, 0,0), }; u16 indices[] = {0,1,2,2,3,0}; driver->drawVertexPrimitiveList(vertices, 4, indices, 2, video::EVT_STANDARD, scene::EPT_TRIANGLES, video::EIT_16BIT); } } void Clouds::step(float dtime) { m_time += dtime; } void Clouds::update(v2f camera_p, float brightness) { m_camera_pos = camera_p; m_brightness = brightness; }


context:
space:
mode: