X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=src%2Fgameobjs.cpp;h=ce71deeded1fdc3ef206511d75f90511c2420479;hb=6c61f312a1f5a768e202195ca18ed5a51974bdcc;hp=95e544a1c1160e45458cbf5e02902187cab738cb;hpb=4e9bca3c2f56763cfb3a43b6b1a78658e4797487;p=supertux.git

diff --git a/src/gameobjs.cpp b/src/gameobjs.cpp
index 95e544a1c..ce71deede 100644
--- a/src/gameobjs.cpp
+++ b/src/gameobjs.cpp
@@ -32,6 +32,8 @@
 #include "resources.h"
 #include "sector.h"
 #include "tilemap.h"
+#include "video/drawing_context.h"
+#include "camera.h"
 
 BouncyDistro::BouncyDistro(const Vector& pos)
   : position(pos)
@@ -112,32 +114,58 @@ BouncyBrick::draw(DrawingContext& context)
     draw_tile(context, shape.id, position + Vector(0, offset), LAYER_TILES+1);
 }
 
-FloatingScore::FloatingScore(const Vector& pos, int score)
+FloatingText::FloatingText(const Vector& pos, const std::string& text_)
+  : position(pos), text(text_)
+{
+  timer.start(1000);
+  position.x -= text.size() * 8;
+}
+
+FloatingText::FloatingText(const Vector& pos, int score)
   : position(pos)
 {
   timer.start(1000);
+
+  // turn int into a string
+  char str[10];
   snprintf(str, 10, "%d", score);
-  position.x -= strlen(str) * 8;
+  text = str;
+
+  position.x -= text.size() * 8;
 }
 
 void
-FloatingScore::action(float elapsed_time)
+FloatingText::action(float elapsed_time)
 {
-  position.y -= 2 * elapsed_time;
+  position.y -= 1.4 * elapsed_time;
 
   if(!timer.check())
     remove_me();
 }
 
+#define FADING_TIME 350
+
 void
-FloatingScore::draw(DrawingContext& context)
+FloatingText::draw(DrawingContext& context)
 {
-  context.draw_text(gold_text, str, position, LAYER_OBJECTS);
+  // make an alpha animation when disapearing
+  int alpha;
+  if(timer.get_left() < FADING_TIME)
+    alpha = timer.get_left() * 255 / FADING_TIME;
+  else
+    alpha = 255;
+
+  context.push_transform();
+  context.set_alpha(alpha);
+
+  context.draw_text(gold_text, text, position, LEFT_ALLIGN, LAYER_OBJECTS+1);
+
+  context.pop_transform();
 }
 
 /* Trampoline */
 
-Sprite *img_trampoline[TRAMPOLINE_FRAMES];
+Sprite *img_trampoline;
 
 Trampoline::Trampoline(LispReader& reader)
 {
@@ -181,7 +209,8 @@ Trampoline::write(LispWriter& writer)
 void
 Trampoline::draw(DrawingContext& context)
 {
-  img_trampoline[frame]->draw(context, base, LAYER_OBJECTS);
+  img_trampoline->set_frame(frame);
+  img_trampoline->draw(context, base, LAYER_OBJECTS);
   frame = 0;
 }
 
@@ -436,17 +465,86 @@ SmokeCloud::draw(DrawingContext& context)
   img_smoke_cloud->draw(context, position, LAYER_OBJECTS+1);
 }
 
-void load_object_gfx()
+Particles::Particles(const Vector& epicenter, int min_angle, int max_angle, const Vector& initial_velocity, const Vector& acceleration, int number, Color color_, int size_, int life_time, int drawing_layer_)
+  : accel(acceleration), color(color_), size(size_), drawing_layer(drawing_layer_)
 {
-  char sprite_name[16];
+  if(life_time == 0)
+    {
+    live_forever = true;
+    }
+  else
+    {
+    live_forever = false;
+    timer.start(life_time);
+    }
 
-  for (int i = 0; i < TRAMPOLINE_FRAMES; i++)
-  {
-    sprintf(sprite_name, "trampoline-%i", i+1);
-    img_trampoline[i] = sprite_manager->load(sprite_name);
-  }
+  // create particles
+  for(int p = 0; p < number; p++)
+    {
+    Particle* particle = new Particle;
+    particle->pos = epicenter;
+
+    float angle = ((rand() % (max_angle-min_angle))+min_angle)
+                      * (M_PI / 180);  // convert to radius
+    particle->vel.x = /*fabs*/(sin(angle)) * initial_velocity.x;
+//    if(angle >= M_PI && angle < M_PI*2)
+//      particle->vel.x *= -1;  // work around to fix signal
+    particle->vel.y = /*fabs*/(cos(angle)) * initial_velocity.y;
+//    if(angle >= M_PI_2 && angle < 3*M_PI_2)
+//      particle->vel.y *= -1;
+
+    particles.push_back(particle);
+    }
+}
 
-  img_flying_platform = sprite_manager->load("flying_platform");
+Particles::~Particles()
+{
+  // free particles
+  for(std::vector<Particle*>::iterator i = particles.begin();
+      i < particles.end(); i++)
+    delete (*i);
+}
 
+void
+Particles::action(float elapsed_time)
+{
+  Vector camera = Sector::current()->camera->get_translation();
+
+  // update particles
+  for(std::vector<Particle*>::iterator i = particles.begin(); i < particles.end(); i++)
+    {
+    (*i)->pos.x += (*i)->vel.x * elapsed_time;
+    (*i)->pos.y += (*i)->vel.y * elapsed_time;
+
+    (*i)->vel.x += accel.x * elapsed_time;
+    (*i)->vel.y += accel.y * elapsed_time;
+
+    if((*i)->pos.x < camera.x || (*i)->pos.x > screen->w + camera.x ||
+       (*i)->pos.y < camera.y || (*i)->pos.y > screen->h + camera.y)
+      {
+      delete (*i);
+      particles.erase(i);
+      }
+    }
+
+  if((!timer.check() && !live_forever) || particles.size() == 0)
+    remove_me();
+}
+
+void
+Particles::draw(DrawingContext& context)
+{
+  // draw particles
+  for(std::vector<Particle*>::iterator i = particles.begin(); i < particles.end(); i++)
+    {
+    context.draw_filled_rect((*i)->pos, Vector(size,size), color, drawing_layer);
+    }
+}
+
+void load_object_gfx()
+{
+  img_trampoline = sprite_manager->load("trampoline");
+  img_trampoline->start_animation(0);
+  img_flying_platform = sprite_manager->load("flying_platform");
   img_smoke_cloud = sprite_manager->load("stomp");
 }