// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#include <iostream>
+#include <math.h>
#include "globals.h"
#include "sprite.h"
+#include "setup.h"
Sprite::Sprite(lisp_object_t* cur)
{
LispReader reader(cur);
+ if(!reader.read_string("name", &name))
+ st_abort("Sprite wihtout name", "");
reader.read_int("x-hotspot", &x_hotspot);
reader.read_int("y-hotspot", &y_hotspot);
- reader.read_float("fps", &fps);
+ reader.read_float("fps", &fps);
+
std::vector<std::string> images;
- reader.read_string_vector("images", &images);
- surfaces.resize(images.size());
+ if(!reader.read_string_vector("images", &images))
+ st_abort("Sprite contains no images: ", name.c_str());
for(std::vector<std::string>::size_type i = 0; i < images.size(); ++i)
{
- surfaces[i] = new Surface(datadir + "/images/" + images[i], USE_ALPHA);
+ surfaces.push_back(
+ new Surface(datadir + "/images/" + images[i], USE_ALPHA));
}
+
+ frame_delay = 1000.0f/fps;
+}
+
+Sprite::~Sprite()
+{
+ for(std::vector<Surface*>::iterator i = surfaces.begin(); i != surfaces.end();
+ ++i)
+ delete *i;
}
void
{
x_hotspot = 0;
y_hotspot = 0;
- fps = 15;
+ fps = 10;
time = 0;
frame_delay = 1000.0f/fps;
}
void
-Sprite::update(float delta)
+Sprite::update(float /*delta*/)
{
- time += 10*delta;
+ //time += 10*delta;
//std::cout << "Delta: " << delta << std::endl;
}
void
-Sprite::draw(int x, int y)
+Sprite::draw(float x, float y)
{
- unsigned int frame = static_cast<int>(fmodf(time, surfaces.size()*frame_delay)/frame_delay);
-
- /*
- std::cout << "Frame: "
- << frame << " "
- << time << " "
- << surfaces.size() << " "
- << frame_delay << " "
- << static_cast<int>(fmodf(time, surfaces.size()*frame_delay)/frame_delay) << std::endl;*/
+ time = SDL_GetTicks();
+ unsigned int frame = get_current_frame();
+
if (frame < surfaces.size())
- surfaces[frame]->draw(x - x_hotspot, y - y_hotspot);
+ surfaces[frame]->draw(x - x_hotspot - scroll_x, y - y_hotspot - scroll_y);
+}
+
+void
+Sprite::draw_part(float sx, float sy, float x, float y, float w, float h)
+{
+ time = SDL_GetTicks();
+ unsigned int frame = get_current_frame();
+
+ if (frame < surfaces.size())
+ surfaces[frame]->draw_part(sx, sy, x - x_hotspot - scroll_x, y - y_hotspot - scroll_y , w, h);
+}
+
+void
+Sprite::reset()
+{
+ time = 0;
+}
+
+int
+Sprite::get_current_frame() const
+{
+ unsigned int frame = static_cast<int>(fmodf(time, surfaces.size()*frame_delay)/frame_delay);
+ return frame % surfaces.size();
+}
+
+int
+Sprite::get_width() const
+{
+ return surfaces[get_current_frame()]->w;
+}
+
+int
+Sprite::get_height() const
+{
+ return surfaces[get_current_frame()]->h;
}
/* EOF */