X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftrunk%2Fsrc%2Fmodules%2Fmod_particle%2Fplant.cpp;fp=synfig-core%2Ftrunk%2Fsrc%2Fmodules%2Fmod_particle%2Fplant.cpp;h=0000000000000000000000000000000000000000;hb=a095981e18cc37a8ecc7cd237cc22b9c10329264;hp=47b13a3e61a5c40d5e0bbc07383dfa5234ba2a63;hpb=9459638ad6797b8139f1e9f0715c96076dbf0890;p=synfig.git diff --git a/synfig-core/trunk/src/modules/mod_particle/plant.cpp b/synfig-core/trunk/src/modules/mod_particle/plant.cpp deleted file mode 100644 index 47b13a3..0000000 --- a/synfig-core/trunk/src/modules/mod_particle/plant.cpp +++ /dev/null @@ -1,742 +0,0 @@ -/* === S Y N F I G ========================================================= */ -/*! \file plant.cpp -** \brief Implementation of the "Plant" layer -** -** $Id$ -** -** \legal -** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley -** Copyright (c) 2007, 2008 Chris Moore -** -** This package 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 package 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. -** \endlegal -*/ -/* ========================================================================= */ - -/* === H E A D E R S ======================================================= */ - -#ifdef USING_PCH -# include "pch.h" -#else -#ifdef HAVE_CONFIG_H -# include -#endif - -#include -#include "plant.h" -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include - -#include - -#endif - -using namespace etl; - -/* === M A C R O S ========================================================= */ - -#define SAMPLES 300 -#define ROUND_END_FACTOR (4) -#define CUSP_THRESHOLD (0.15) -#define NO_LOOP_COOKIE synfig::Vector(84951305,7836658) -#define EPSILON (0.000000001) -#define CUSP_TANGENT_ADJUST (0.025) - -/* === G L O B A L S ======================================================= */ - -SYNFIG_LAYER_INIT(Plant); -SYNFIG_LAYER_SET_NAME(Plant,"plant"); -SYNFIG_LAYER_SET_LOCAL_NAME(Plant,N_("Plant")); -SYNFIG_LAYER_SET_CATEGORY(Plant,N_("Other")); -SYNFIG_LAYER_SET_VERSION(Plant,"0.2"); -SYNFIG_LAYER_SET_CVS_ID(Plant,"$Id$"); - -/* === P R O C E D U R E S ================================================= */ - -/* === M E T H O D S ======================================================= */ - - -Plant::Plant(): - origin(0,0), - split_angle(Angle::deg(10)), - gravity(0,-0.1), - velocity(0.3), - perp_velocity(0.0), - step(0.01), - sprouts(10), - version(version__), - use_width(true) -{ - bounding_rect=Rect::zero(); - random_factor=0.2; - random.set_seed(time(NULL)); - - bline.push_back(BLinePoint()); - bline.push_back(BLinePoint()); - bline.push_back(BLinePoint()); - bline[0].set_vertex(Point(0,1)); - bline[1].set_vertex(Point(0,-1)); - bline[2].set_vertex(Point(1,0)); - bline[0].set_tangent(bline[1].get_vertex()-bline[2].get_vertex()*0.5f); - bline[1].set_tangent(bline[2].get_vertex()-bline[0].get_vertex()*0.5f); - bline[2].set_tangent(bline[0].get_vertex()-bline[1].get_vertex()*0.5f); - bline[0].set_width(1.0f); - bline[1].set_width(1.0f); - bline[2].set_width(1.0f); - bline_loop=true; - mass=(0.5); - splits=5; - drag=0.1; - size=0.015; - needs_sync_=true; - sync(); - size_as_alpha=false; - reverse=true; -} - -void -Plant::branch(int n,int depth,float t, float stunt_growth, synfig::Point position,synfig::Vector vel)const -{ - float next_split((1.0-t)/(splits-depth)+t/*+random_factor*random(40+depth,t*splits,0,0)/splits*/); - for(;t=1.0-stunt_growth)return; - - synfig::Real sin_v=synfig::Angle::cos(split_angle).get(); - synfig::Real cos_v=synfig::Angle::sin(split_angle).get(); - - synfig::Vector velocity1(vel[0]*sin_v - vel[1]*cos_v + random_factor*random(Random::SMOOTH_COSINE, 30+n+depth, t*splits, 0.0f, 0.0f), - vel[0]*cos_v + vel[1]*sin_v + random_factor*random(Random::SMOOTH_COSINE, 32+n+depth, t*splits, 0.0f, 0.0f)); - synfig::Vector velocity2(vel[0]*sin_v + vel[1]*cos_v + random_factor*random(Random::SMOOTH_COSINE, 31+n+depth, t*splits, 0.0f, 0.0f), - -vel[0]*cos_v + vel[1]*sin_v + random_factor*random(Random::SMOOTH_COSINE, 33+n+depth, t*splits, 0.0f, 0.0f)); - - Plant::branch(n,depth+1,t,stunt_growth,position,velocity1); - Plant::branch(n,depth+1,t,stunt_growth,position,velocity2); -} - -void -Plant::calc_bounding_rect()const -{ - std::vector::const_iterator iter,next; - - bounding_rect=Rect::zero(); - - // Bline must have at least 2 points in it - if(bline.size()<2) - return; - - next=bline.begin(); - - if(bline_loop) - iter=--bline.end(); - else - iter=next++; - - for(;next!=bline.end();iter=next++) - { - bounding_rect.expand(iter->get_vertex()); - bounding_rect.expand(next->get_vertex()); - bounding_rect.expand(iter->get_vertex()+iter->get_tangent2()*0.3333333333333); - bounding_rect.expand(next->get_vertex()-next->get_tangent1()*0.3333333333333); - bounding_rect.expand(next->get_vertex()+next->get_tangent2()*velocity); - } - bounding_rect.expand_x(gravity[0]); - bounding_rect.expand_y(gravity[1]); - bounding_rect.expand_x(size); - bounding_rect.expand_y(size); -} - -void -Plant::sync()const -{ - Mutex::Lock lock(mutex); - if (!needs_sync_) return; - time_t start_time; time(&start_time); - particle_list.clear(); - - bounding_rect=Rect::zero(); - - // Bline must have at least 2 points in it - if(bline.size()<2) - { - needs_sync_=false; - return; - } - - std::vector::const_iterator iter,next; - - etl::hermite curve; - - Real step(abs(this->step)); - - int seg(0); - - next=bline.begin(); - - if(bline_loop) iter=--bline.end(); // iter is the last bline in the list; next is the first bline in the list - else iter=next++; // iter is the first bline in the list; next is the second bline in the list - - // loop through the bline; seg counts the blines as we do so; stop before iter is the last bline in the list - for(;next!=bline.end();iter=next++,seg++) - { - float iterw=iter->get_width(); // the width value of the iter vertex - float nextw=next->get_width(); // the width value of the next vertex - float width; // the width at an intermediate position - curve.p1()=iter->get_vertex(); - curve.t1()=iter->get_tangent2(); - curve.p2()=next->get_vertex(); - curve.t2()=next->get_tangent1(); - curve.sync(); - etl::derivative > deriv(curve); - - Real f; - - int i=0, branch_count = 0, steps = round_to_int(1.0/step); - if (steps < 1) steps = 1; - for(f=0.0;f<1.0;f+=step,i++) - { - Point point(curve(f)); - - particle_list.push_back(Particle(point, gradient(0))); - if (particle_list.size() % 1000000 == 0) - synfig::info("constructed %d million particles...", particle_list.size()/1000000); - - bounding_rect.expand(point); - - Real stunt_growth(random_factor * (random(Random::SMOOTH_COSINE,i,f+seg,0.0f,0.0f)/2.0+0.5)); - stunt_growth*=stunt_growth; - - if((((i+1)*sprouts + steps/2) / steps) > branch_count) { - Vector branch_velocity(deriv(f).norm()*velocity + deriv(f).perp().norm()*perp_velocity); - - if (isnan(branch_velocity[0]) || isnan(branch_velocity[1])) - continue; - - branch_velocity[0] += random_factor * random(Random::SMOOTH_COSINE, 1, f*splits, 0.0f, 0.0f); - branch_velocity[1] += random_factor * random(Random::SMOOTH_COSINE, 2, f*splits, 0.0f, 0.0f); - - if (use_width) - { - width = iterw+(nextw-iterw)*f; // calculate the width based on the current position - - branch_velocity[0] *= width; // scale the velocity accordingly to the current width - branch_velocity[1] *= width; - } - - branch_count++; - branch(i, 0, 0, // time - stunt_growth, // stunt growth - point, branch_velocity); - } - } - } - - time_t end_time; time(&end_time); - if (end_time-start_time > 4) - synfig::info("Plant::sync() constructed %d particles in %d seconds\n", - particle_list.size(), int(end_time-start_time)); - needs_sync_=false; -} - -bool -Plant::set_param(const String & param, const ValueBase &value) -{ - if(param=="bline" && value.get_type()==ValueBase::TYPE_LIST) - { - bline=value; - bline_loop=value.get_loop(); - needs_sync_=true; - - return true; - } - if(param=="seed" && value.same_type_as(int())) - { - random.set_seed(value.get(int())); - needs_sync_=true; - return true; - } - IMPORT(origin); - IMPORT_PLUS(split_angle,needs_sync_=true); - IMPORT_PLUS(gravity,needs_sync_=true); - IMPORT_PLUS(gradient,needs_sync_=true); - IMPORT_PLUS(velocity,needs_sync_=true); - IMPORT_PLUS(perp_velocity,needs_sync_=true); - IMPORT_PLUS(step,{ - needs_sync_ = true; - if (step <= 0) - step=0.01; // user is probably clueless - give a good default - else if (step < 0.00001) - step=0.00001; // 100K should be enough for anyone - else if (step > 1) - step=1; - }); - IMPORT_PLUS(splits,{ - needs_sync_=true; - if (splits < 1) - splits = 1; - }); - IMPORT_PLUS(sprouts,needs_sync_=true); - IMPORT_PLUS(random_factor,needs_sync_=true); - IMPORT_PLUS(drag,needs_sync_=true); - IMPORT(size); - IMPORT(size_as_alpha); - IMPORT(reverse); - IMPORT(use_width); - - IMPORT_AS(origin,"offset"); - - return Layer_Composite::set_param(param,value); -} -/* -void -Plant::set_time(Context context, Time time)const -{ - if(needs_sync==true) - { - sync(); - needs_sync_=false; - } - //const_cast(this)->sync(); - context.set_time(time); -} - -void -Plant::set_time(Context context, Time time, Vector pos)const -{ - if(needs_sync==true) - { - sync(); - needs_sync_=false; - } - //const_cast(this)->sync(); - context.set_time(time,pos); -} -*/ -ValueBase -Plant::get_param(const String& param)const -{ - if(param=="seed") - return random.get_seed(); - EXPORT(bline); - EXPORT(origin); - EXPORT(split_angle); - EXPORT(gravity); - EXPORT(velocity); - EXPORT(perp_velocity); - EXPORT(step); - EXPORT(gradient); - EXPORT(splits); - EXPORT(sprouts); - EXPORT(random_factor); - EXPORT(drag); - EXPORT(size); - EXPORT(size_as_alpha); - EXPORT(reverse); - EXPORT(use_width); - - EXPORT_NAME(); - - if(param=="Version" || param=="version" || param=="version__") - return version; - - return Layer_Composite::get_param(param); -} - -Layer::Vocab -Plant::get_param_vocab()const -{ - Layer::Vocab ret(Layer_Composite::get_param_vocab()); - - ret.push_back(ParamDesc("bline") - .set_local_name(_("Vertices")) - .set_description(_("A list of BLine Points")) - .set_origin("origin") - .set_hint("width") - ); - - ret.push_back(ParamDesc("origin") - .set_local_name(_("Origin")) - ); - - ret.push_back(ParamDesc("gradient") - .set_local_name(_("Gradient")) - .set_description(_("Gradient to be used for coloring the plant")) - ); - - ret.push_back(ParamDesc("split_angle") - .set_local_name(_("Split Angle")) - .set_description(_("Angle by which each split deviates from its parent")) - ); - - ret.push_back(ParamDesc("gravity") - .set_local_name(_("Gravity")) - .set_description(_("Direction in which the shoots tend to face")) - .set_is_distance() - ); - - ret.push_back(ParamDesc("velocity") - .set_local_name(_("Tangential Velocity")) - .set_description(_("Amount to which shoots tend to grow along the tangent to the BLine")) - ); - - ret.push_back(ParamDesc("perp_velocity") - .set_local_name(_("Perpendicular Velocity")) - .set_description(_("Amount to which shoots tend to grow perpendicular to the tangent to the BLine")) - ); - - ret.push_back(ParamDesc("size") - .set_local_name(_("Stem Size")) - .set_description(_("Size of the stem")) - .set_is_distance() - ); - - ret.push_back(ParamDesc("size_as_alpha") - .set_local_name(_("Size As Alpha")) - .set_description(_("If enabled, the alpha channel from the gradient is multiplied by the stem size, and an alpha of 1.0 is used when rendering")) - ); - - ret.push_back(ParamDesc("reverse") - .set_local_name(_("Reverse")) - .set_description(_("If enabled, render the plant in the opposite direction")) - ); - - ret.push_back(ParamDesc("step") - .set_local_name(_("Step")) - .set_description(_("Measure of the distance between points when rendering")) - ); - - ret.push_back(ParamDesc("seed") - .set_local_name(_("Seed")) - .set_description(_("Used to seed the pseudo-random number generator")) - ); - - ret.push_back(ParamDesc("splits") - .set_local_name(_("Splits")) - .set_description(_("Maximum number of times that each sprout can sprout recursively")) - ); - - ret.push_back(ParamDesc("sprouts") - .set_local_name(_("Sprouts")) - .set_description(_("Number of places that growth occurs on each bline section")) - ); - - ret.push_back(ParamDesc("random_factor") - .set_local_name(_("Random Factor")) - .set_description(_("Used to scale down all random effects. Set to zero to disable randomness")) - ); - - ret.push_back(ParamDesc("drag") - .set_local_name(_("Drag")) - .set_description(_("Drag slows the growth")) - ); - - ret.push_back(ParamDesc("use_width") - .set_local_name(_("Use Width")) - .set_description(_("Scale the velocity by the bline's width")) - ); - - return ret; -} - -bool -Plant::set_version(const String &ver) -{ - version = ver; - - if (version == "0.1") - use_width = false; - - return true; -} - -bool -Plant::accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const -{ - bool ret(context.accelerated_render(surface,quality,renddesc,cb)); - if(is_disabled() || !ret) - return ret; - - Surface dest_surface; - dest_surface.set_wh(surface->get_w(),surface->get_h()); - dest_surface.clear(); - - const Point tl(renddesc.get_tl()-origin); - const Point br(renddesc.get_br()-origin); - - const int w(renddesc.get_w()); - const int h(renddesc.get_h()); - - const int surface_width(surface->get_w()); - const int surface_height(surface->get_h()); - - // Width and Height of a pixel - const Real pw = (br[0] - tl[0]) / w; - const Real ph = (br[1] - tl[1]) / h; - - if (isinf(pw) || isinf(ph)) - return true; - - if(needs_sync_==true) - sync(); - - if (particle_list.begin() != particle_list.end()) - { - std::vector::iterator iter; - Particle *particle; - - float radius(size*sqrt(1.0f/(abs(pw)*abs(ph)))); - - int x1,y1,x2,y2; - - if (reverse) iter = particle_list.end(); - else iter = particle_list.begin(); - - while (true) - { - if (reverse) particle = &(*(iter-1)); - else particle = &(*iter); - - float scaled_radius(radius); - Color color(particle->color); - if(size_as_alpha) - { - scaled_radius*=color.get_a(); - color.set_a(1); - } - - // previously, radius was multiplied by sqrt(step)*12 only if - // the radius came out at less than 1 (pixel): - // if (radius<=1.0f) radius*=sqrt(step)*12.0f; - // seems a little arbitrary - does it help? - - // calculate the box that this particle will be drawn as - float x1f=(particle->point[0]-tl[0])/pw-(scaled_radius*0.5); - float x2f=(particle->point[0]-tl[0])/pw+(scaled_radius*0.5); - float y1f=(particle->point[1]-tl[1])/ph-(scaled_radius*0.5); - float y2f=(particle->point[1]-tl[1])/ph+(scaled_radius*0.5); - x1=ceil_to_int(x1f); - x2=ceil_to_int(x2f)-1; - y1=ceil_to_int(y1f); - y2=ceil_to_int(y2f)-1; - - // if the box isn't entirely off the canvas, draw it - if(x1<=surface_width && y1<=surface_height && x2>=0 && y2>=0) - { - float x1e=x1-x1f, x2e=x2f-x2, y1e=y1-y1f, y2e=y2f-y2; - // printf("x1e %.4f x2e %.4f y1e %.4f y2e %.4f\n", x1e, x2e, y1e, y2e); - - // adjust the box so it's entirely on the canvas - if(x1<=0) { x1=0; x1e=0; } - if(y1<=0) { y1=0; y1e=0; } - if(x2>=surface_width) { x2=surface_width; x2e=0; } - if(y2>=surface_height) { y2=surface_height; y2e=0; } - - int w(x2-x1), h(y2-y1); - - Surface::alpha_pen surface_pen(dest_surface.get_pen(x1,y1),1.0f); - if(w>0 && h>0) - dest_surface.fill(color,surface_pen,w,h); - - /* the rectangle doesn't cross any vertical pixel boundaries so we don't - * need to draw any top or bottom edges - */ - if(x2get_pen(0,0),get_amount(),get_blend_method()); - dest_surface.blit_to(pen); - - return true; -} - -Rect -Plant::get_bounding_rect(Context context)const -{ - if(needs_sync_==true) - sync(); - - if(is_disabled()) - return Rect::zero(); - - if(Color::is_onto(get_blend_method())) - return context.get_full_bounding_rect() & bounding_rect; - - //if(get_blend_method()==Color::BLEND_BEHIND) - // return context.get_full_bounding_rect() | bounding_rect; - return bounding_rect; -}