// 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 <cassert>
+#include <stdexcept>
-#include "app/globals.h"
-#include "app/setup.h"
-#include "special/sprite.h"
-#include "video/drawing_context.h"
+#include "../app/globals.h"
+#include "../app/setup.h"
+#include "../special/sprite.h"
+#include "../video/drawing_context.h"
-using namespace SuperTux;
-
-Sprite::Sprite(lisp_object_t* cur)
+namespace SuperTux
{
- init_defaults();
- LispReader reader(cur);
+Sprite::Sprite(SpriteData& newdata)
+ : data(newdata)
+{
+ action = data.actions.begin()->second;
+ reset();
+}
- 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);
+Sprite::Sprite(const Sprite& other)
+ : data(other.data), frame(other.frame),
+ animation_loops(other.animation_loops), last_tick(other.last_tick),
+ action(other.action), next_action(other.next_action)
+{
+}
- std::vector<std::string> images;
- if(!reader.read_string_vector("images", images))
- st_abort("Sprite contains no images: ", name.c_str());
+Sprite::~Sprite()
+{
+}
- for(std::vector<std::string>::size_type i = 0; i < images.size(); ++i)
- {
- surfaces.push_back(
- new Surface(datadir + "/images/" + images[i], true));
- }
+void
+Sprite::set_action(std::string name)
+{
+ if(!next_action.empty() && animation_loops > 0) {
+ next_action = name;
+ return;
+ }
+ SpriteData::Action* newaction = data.get_action(name);
+ if(!action)
+ return;
- frame_delay = 1000.0f/fps;
+ action = newaction;
}
-Sprite::~Sprite()
+void
+Sprite::start_animation(int loops)
{
- for(std::vector<Surface*>::iterator i = surfaces.begin(); i != surfaces.end();
- ++i)
- delete *i;
+ reset();
+ animation_loops = loops;
}
void
-Sprite::init_defaults()
+Sprite::reset()
{
- x_hotspot = 0;
- y_hotspot = 0;
- fps = 10;
- time = 0;
- frame_delay = 1000.0f/fps;
+ frame = 0;
+ last_tick = SDL_GetTicks();
+ animation_reversed = false;
+ animation_loops = -1;
+ next_action.clear();
}
-void
-Sprite::update(float /*delta*/)
+bool
+Sprite::check_animation()
{
- //time += 10*delta;
- //std::cout << "Delta: " << delta << std::endl;
+ return animation_loops;
}
void
-Sprite::draw(DrawingContext& context, const Vector& pos, int layer,
- Uint32 drawing_effect)
+Sprite::reverse_animation(bool reverse)
{
- time = SDL_GetTicks();
- unsigned int frame = get_current_frame();
+ animation_reversed = reverse;
- if (frame < surfaces.size())
- {
- Surface* surface = surfaces[frame];
-
- context.draw_surface(surface, pos - Vector(x_hotspot, y_hotspot), layer, drawing_effect);
- }
+ if(animation_reversed)
+ frame = get_frames()-1;
+ else
+ frame = 0;
}
-#if 0
void
-Sprite::draw_part(float sx, float sy, float x, float y, float w, float h)
+Sprite::update()
{
- time = SDL_GetTicks();
- unsigned int frame = get_current_frame();
+ if(animation_loops == 0)
+ {
+ if(frame >= get_frames() || frame < 0)
+ frame = 0;
+ return;
+ }
- if (frame < surfaces.size())
- surfaces[frame]->draw_part(sx, sy, x - x_hotspot, y - y_hotspot, w, h);
+ float frame_inc = (action->fps/1000.0) * (SDL_GetTicks() - last_tick);
+ last_tick = SDL_GetTicks();
+
+ if(animation_reversed)
+ frame -= frame_inc;
+ else
+ frame += frame_inc;
+
+ if(animation_reversed) {
+ if(frame < 0 || frame >= (float)get_frames()) {
+ // last case can happen when not used reverse_animation()
+ float excedent = frame - 0;
+ frame = get_frames() - 1;
+ if(animation_loops > 0)
+ {
+ animation_loops--;
+ if(animation_loops == 0 && !next_action.empty())
+ {
+ set_action(next_action);
+ start_animation(-1);
+ }
+ }
+
+ if(fabsf(excedent) < get_frames())
+ frame += excedent;
+ }
+ }
+ else
+ {
+ if(frame >= (float)get_frames())
+ {
+ float excedent = frame - get_frames();
+ frame = 0;
+ if(animation_loops > 0)
+ {
+ animation_loops--;
+ if(animation_loops == 0 && !next_action.empty())
+ {
+ set_action(next_action);
+ start_animation(-1);
+ }
+ }
+
+ if(excedent < get_frames())
+ frame += excedent;
+ }
+ }
}
-#endif
void
-Sprite::reset()
+Sprite::draw(DrawingContext& context, const Vector& pos, int layer,
+ Uint32 drawing_effect)
{
- time = 0;
+ assert(action != 0);
+ update();
+
+ if((int)frame >= get_frames() || (int)frame < 0)
+ std::cerr << "Warning: frame out of range: " << (int)frame
+ << "/" << get_frames() << " at " << get_name()
+ << "/" << get_action_name() << std::endl;
+ else
+ context.draw_surface(action->surfaces[(int)frame],
+ pos - Vector(action->x_offset, action->y_offset),
+ layer + action->z_order, drawing_effect);
}
-int
-Sprite::get_current_frame() const
+void
+Sprite::draw_part(DrawingContext& context, const Vector& source,
+ const Vector& size, const Vector& pos, int layer, Uint32 drawing_effect)
{
- unsigned int frame = static_cast<int>(fmodf(time, surfaces.size()*frame_delay)/frame_delay);
- return frame % surfaces.size();
+ assert(action != 0);
+ update();
+
+ if((int)frame >= get_frames() || (int)frame < 0)
+ std::cerr << "Warning: frame out of range: " << (int)frame
+ << "/" << get_frames() << " at sprite: " << get_name()
+ << "/" << get_action_name() << std::endl;
+ else
+ context.draw_surface_part(action->surfaces[(int)frame], source, size,
+ pos - Vector(action->x_offset, action->y_offset),
+ layer + action->z_order, drawing_effect);
}
int
Sprite::get_width() const
{
- return surfaces[get_current_frame()]->w;
+ return action->surfaces[get_frame()]->w;
}
int
Sprite::get_height() const
{
- return surfaces[get_current_frame()]->h;
+ return action->surfaces[get_frame()]->h;
+}
+
}
/* EOF */
projects / supertux.git / blobdiff