// 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
-
#include <config.h>
#include <iostream>
#include <cmath>
-#include "particlesystem.h"
-#include "app/globals.h"
-#include "utils/lispreader.h"
-#include "utils/lispwriter.h"
-#include "video/drawing_context.h"
+#include "particlesystem.hpp"
+#include "video/drawing_context.hpp"
+#include "lisp/parser.hpp"
+#include "lisp/lisp.hpp"
+#include "lisp/writer.hpp"
+#include "resources.hpp"
+#include "main.hpp"
+#include "object/camera.hpp"
ParticleSystem::ParticleSystem()
{
- virtual_width = screen->w;
- virtual_height = screen->h;
+ virtual_width = SCREEN_WIDTH;
+ virtual_height = SCREEN_HEIGHT;
layer = LAYER_BACKGROUND1;
}
pos.y = fmodf(particle->pos.y - scrolly, virtual_height);
if(pos.y < 0) pos.y += virtual_height;
- if(pos.x > screen->w) pos.x -= virtual_width;
- if(pos.y > screen->h) pos.y -= virtual_height;
+ if(pos.x > SCREEN_WIDTH) pos.x -= virtual_width;
+ if(pos.y > SCREEN_HEIGHT) pos.y -= virtual_height;
context.draw_surface(particle->texture, pos, layer);
}
SnowParticleSystem::SnowParticleSystem()
{
- snowimages[0] = new Surface(datadir+"/images/shared/snow0.png", true);
- snowimages[1] = new Surface(datadir+"/images/shared/snow1.png", true);
- snowimages[2] = new Surface(datadir+"/images/shared/snow2.png", true);
+ snowimages[0] = new Surface("images/objects/particles/snow0.png");
+ snowimages[1] = new Surface("images/objects/particles/snow1.png");
+ snowimages[2] = new Surface("images/objects/particles/snow2.png");
- virtual_width = screen->w * 2;
+ virtual_width = SCREEN_WIDTH * 2;
// create some random snowflakes
size_t snowflakecount = size_t(virtual_width/10.0);
for(size_t i=0; i<snowflakecount; ++i) {
SnowParticle* particle = new SnowParticle;
- particle->pos.x = rand() % int(virtual_width);
- particle->pos.y = rand() % screen->h;
+ particle->pos.x = fmodf(rand(), virtual_width);
+ particle->pos.y = fmodf(rand(), SCREEN_HEIGHT);
int snowsize = rand() % 3;
particle->texture = snowimages[snowsize];
do {
}
void
-SnowParticleSystem::parse(LispReader& reader)
+SnowParticleSystem::parse(const lisp::Lisp& reader)
{
- reader.read_int("layer", layer);
+ reader.get("layer", layer);
}
void
-SnowParticleSystem::write(LispWriter& writer)
+SnowParticleSystem::write(lisp::Writer& writer)
{
writer.start_list("particles-snow");
writer.write_int("layer", layer);
delete snowimages[i];
}
-void SnowParticleSystem::action(float elapsed_time)
+void SnowParticleSystem::update(float elapsed_time)
{
std::vector<Particle*>::iterator i;
for(i = particles.begin(); i != particles.end(); ++i) {
SnowParticle* particle = (SnowParticle*) *i;
particle->pos.y += particle->speed * elapsed_time;
- if(particle->pos.y > screen->h) {
+ if(particle->pos.y > SCREEN_HEIGHT + Sector::current()->camera->get_translation().y) {
+ particle->pos.y = fmodf(particle->pos.y , virtual_height);
+ particle->pos.x = rand() % int(virtual_width);
+ }
+ }
+}
+
+//FIXME: Sometimes both ghosts have the same image
+// Ghosts don't change their movement pattern - not random
+GhostParticleSystem::GhostParticleSystem()
+{
+ ghosts[0] = new Surface("images/objects/particles/ghost0.png");
+ ghosts[1] = new Surface("images/objects/particles/ghost1.png");
+
+ virtual_width = SCREEN_WIDTH * 2;
+
+ // create two ghosts
+ size_t ghostcount = 2;
+ for(size_t i=0; i<ghostcount; ++i) {
+ GhostParticle* particle = new GhostParticle;
+ particle->pos.x = fmodf(rand(), virtual_width);
+ particle->pos.y = fmodf(rand(), SCREEN_HEIGHT);
+ int size = rand() % 2;
+ particle->texture = ghosts[size];
+ do {
+ particle->speed = size*.2 + (float(rand()%10)*.4);
+ } while(particle->speed < 1);
+ particle->speed *= 50;
+ particles.push_back(particle);
+ }
+}
+
+void
+GhostParticleSystem::parse(const lisp::Lisp& reader)
+{
+ reader.get("layer", layer);
+}
+
+void
+GhostParticleSystem::write(lisp::Writer& writer)
+{
+ writer.start_list("particles-ghosts");
+ writer.write_int("layer", layer);
+ writer.end_list("particles-ghosts");
+}
+
+GhostParticleSystem::~GhostParticleSystem()
+{
+ for(int i=0;i<2;++i)
+ delete ghosts[i];
+}
+
+void GhostParticleSystem::update(float elapsed_time)
+{
+ std::vector<Particle*>::iterator i;
+ for(i = particles.begin(); i != particles.end(); ++i) {
+ GhostParticle* particle = (GhostParticle*) *i;
+ particle->pos.y -= particle->speed * elapsed_time;
+ particle->pos.x -= particle->speed * elapsed_time;
+ if(particle->pos.y > SCREEN_HEIGHT) {
particle->pos.y = fmodf(particle->pos.y , virtual_height);
particle->pos.x = rand() % int(virtual_width);
}
CloudParticleSystem::CloudParticleSystem()
{
- cloudimage = new Surface(datadir + "/images/shared/cloud.png", true);
+ cloudimage = new Surface("images/objects/particles/cloud.png");
virtual_width = 2000.0;
}
void
-CloudParticleSystem::parse(LispReader& reader)
+CloudParticleSystem::parse(const lisp::Lisp& reader)
{
- reader.read_int("layer", layer);
+ reader.get("layer", layer);
}
void
-CloudParticleSystem::write(LispWriter& writer)
+CloudParticleSystem::write(lisp::Writer& writer)
{
writer.start_list("particles-clouds");
writer.write_int("layer", layer);
delete cloudimage;
}
-void CloudParticleSystem::action(float elapsed_time)
+void CloudParticleSystem::update(float elapsed_time)
{
std::vector<Particle*>::iterator i;
for(i = particles.begin(); i != particles.end(); ++i) {