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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,229 @@ | ||
| /* | ||
| Minetest-c55 | ||
| Copyright (C) 2012 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 Lesser General Public License as published by | ||
| the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details. | ||
| You should have received a copy of the GNU Lesser 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 "particles.h" | ||
| #include "constants.h" | ||
| #include "debug.h" | ||
| #include "main.h" // For g_profiler and g_settings | ||
| #include "settings.h" | ||
| #include "tile.h" | ||
| #include "gamedef.h" | ||
| #include "collision.h" | ||
| #include <stdlib.h> | ||
| #include "util/numeric.h" | ||
| #include "light.h" | ||
| #include "environment.h" | ||
| #include "clientmap.h" | ||
| #include "mapnode.h" | ||
|
|
||
| Particle::Particle( | ||
| IGameDef *gamedef, | ||
| scene::ISceneManager* smgr, | ||
| LocalPlayer *player, | ||
| s32 id, | ||
| v3f pos, | ||
| v3f velocity, | ||
| v3f acceleration, | ||
| float expirationtime, | ||
| float size, | ||
| AtlasPointer ap | ||
| ): | ||
| scene::ISceneNode(smgr->getRootSceneNode(), smgr, id) | ||
| { | ||
| // Misc | ||
| m_gamedef = gamedef; | ||
|
|
||
| // Texture | ||
| 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, true); | ||
| m_material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL; | ||
| m_material.setTexture(0, ap.atlas); | ||
| m_ap = ap; | ||
| m_light = 0; | ||
|
|
||
|
|
||
| // Particle related | ||
| m_pos = pos; | ||
| m_velocity = velocity; | ||
| m_acceleration = acceleration; | ||
| m_expiration = expirationtime; | ||
| m_time = 0; | ||
| m_player = player; | ||
| m_size = size; | ||
|
|
||
| // Irrlicht stuff (TODO) | ||
| m_collisionbox = core::aabbox3d<f32>(-size/2,-size/2,-size/2,size/2,size/2,size/2); | ||
| this->setAutomaticCulling(scene::EAC_OFF); | ||
| } | ||
|
|
||
| Particle::~Particle() | ||
| { | ||
| } | ||
|
|
||
| void Particle::OnRegisterSceneNode() | ||
| { | ||
| if (IsVisible) | ||
| { | ||
| SceneManager->registerNodeForRendering(this, scene::ESNRP_TRANSPARENT); | ||
| SceneManager->registerNodeForRendering(this, scene::ESNRP_SOLID); | ||
| } | ||
|
|
||
| ISceneNode::OnRegisterSceneNode(); | ||
| } | ||
|
|
||
| void Particle::render() | ||
| { | ||
| // TODO: Render particles in front of water and the selectionbox | ||
|
|
||
| video::IVideoDriver* driver = SceneManager->getVideoDriver(); | ||
| driver->setMaterial(m_material); | ||
| driver->setTransform(video::ETS_WORLD, AbsoluteTransformation); | ||
| video::SColor c(255, m_light, m_light, m_light); | ||
|
|
||
| video::S3DVertex vertices[4] = | ||
| { | ||
| video::S3DVertex(-m_size/2,-m_size/2,0, 0,0,0, c, m_ap.x0(), m_ap.y1()), | ||
| video::S3DVertex(m_size/2,-m_size/2,0, 0,0,0, c, m_ap.x1(), m_ap.y1()), | ||
| video::S3DVertex(m_size/2,m_size/2,0, 0,0,0, c, m_ap.x1(), m_ap.y0()), | ||
| video::S3DVertex(-m_size/2,m_size/2,0, 0,0,0, c ,m_ap.x0(), m_ap.y0()), | ||
| }; | ||
|
|
||
| for(u16 i=0; i<4; i++) | ||
| { | ||
| vertices[i].Pos.rotateYZBy(m_player->getPitch()); | ||
| vertices[i].Pos.rotateXZBy(m_player->getYaw()); | ||
| m_box.addInternalPoint(vertices[i].Pos); | ||
| vertices[i].Pos += m_pos*BS; | ||
| } | ||
|
|
||
| u16 indices[] = {0,1,2, 2,3,0}; | ||
| driver->drawVertexPrimitiveList(vertices, 4, indices, 2, | ||
| video::EVT_STANDARD, scene::EPT_TRIANGLES, video::EIT_16BIT); | ||
| } | ||
|
|
||
| void Particle::step(float dtime, ClientEnvironment &env) | ||
| { | ||
| core::aabbox3d<f32> box = m_collisionbox; | ||
| v3f p_pos = m_pos*BS; | ||
| v3f p_velocity = m_velocity*BS; | ||
| v3f p_acceleration = m_acceleration*BS; | ||
| collisionMoveSimple(&env.getClientMap(), m_gamedef, | ||
| BS*0.5, box, | ||
| 0, dtime, | ||
| p_pos, p_velocity, p_acceleration); | ||
| m_pos = p_pos/BS; | ||
| m_velocity = p_velocity/BS; | ||
| m_acceleration = p_acceleration/BS; | ||
| m_time += dtime; | ||
|
|
||
| // Update lighting | ||
| u8 light = 0; | ||
| try{ | ||
| v3s16 p = v3s16( | ||
| floor(m_pos.X+0.5), | ||
| floor(m_pos.Y+0.5), | ||
| floor(m_pos.Z+0.5) | ||
| ); | ||
| MapNode n = env.getClientMap().getNode(p); | ||
| light = n.getLightBlend(env.getDayNightRatio(), m_gamedef->ndef()); | ||
| } | ||
| catch(InvalidPositionException &e){ | ||
| light = blend_light(env.getDayNightRatio(), LIGHT_SUN, 0); | ||
| } | ||
| m_light = decode_light(light); | ||
| } | ||
|
|
||
| std::vector<Particle*> all_particles; | ||
|
|
||
| void allparticles_step (float dtime, ClientEnvironment &env) | ||
| { | ||
| for(std::vector<Particle*>::iterator i = all_particles.begin(); i != all_particles.end();) | ||
| { | ||
| if ((*i)->get_expired()) | ||
| { | ||
| (*i)->remove(); | ||
| delete *i; | ||
| all_particles.erase(i); | ||
| } | ||
| else | ||
| { | ||
| (*i)->step(dtime, env); | ||
| i++; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| void addDiggingParticles(IGameDef* gamedef, scene::ISceneManager* smgr, LocalPlayer *player, v3s16 pos, const TileSpec tiles[]) | ||
| { | ||
| for (u16 j = 0; j < 32; j++) // set the amount of particles here | ||
| { | ||
| addNodeParticle(gamedef, smgr, player, pos, tiles); | ||
| } | ||
| } | ||
|
|
||
| void addPunchingParticles(IGameDef* gamedef, scene::ISceneManager* smgr, LocalPlayer *player, v3s16 pos, const TileSpec tiles[]) | ||
| { | ||
| addNodeParticle(gamedef, smgr, player, pos, tiles); | ||
| } | ||
|
|
||
| // add a particle of a node | ||
| // used by digging and punching particles | ||
| void addNodeParticle(IGameDef* gamedef, scene::ISceneManager* smgr, LocalPlayer *player, v3s16 pos, const TileSpec tiles[]) | ||
| { | ||
| // Texture | ||
| u8 texid = myrand_range(0,5); | ||
| AtlasPointer ap = tiles[texid].texture; | ||
| float size = rand()%64/512.; | ||
| float visual_size = BS*size; | ||
| float texsize = size*2; | ||
|
|
||
| float x1 = ap.x1(); | ||
| float y1 = ap.y1(); | ||
|
|
||
| ap.size.X = (ap.x1() - ap.x0()) * texsize; | ||
| ap.size.Y = (ap.x1() - ap.x0()) * texsize; | ||
|
|
||
| ap.pos.X = ap.x0() + (x1 - ap.x0()) * ((rand()%64)/64.-texsize); | ||
| ap.pos.Y = ap.y0() + (y1 - ap.y0()) * ((rand()%64)/64.-texsize); | ||
|
|
||
| // Physics | ||
| v3f velocity((rand()%100/50.-1)/1.5, rand()%100/35., (rand()%100/50.-1)/1.5); | ||
| v3f acceleration(0,-9,0); | ||
| v3f particlepos = v3f( | ||
| (f32)pos.X+rand()%100/200.-0.25, | ||
| (f32)pos.Y+rand()%100/200.-0.25, | ||
| (f32)pos.Z+rand()%100/200.-0.25 | ||
| ); | ||
|
|
||
| Particle *particle = new Particle( | ||
| gamedef, | ||
| smgr, | ||
| player, | ||
| 0, | ||
| particlepos, | ||
| velocity, | ||
| acceleration, | ||
| rand()%100/100., // expiration time | ||
| visual_size, | ||
| ap); | ||
|
|
||
| all_particles.push_back(particle); | ||
| } |
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