4 // Copyright (C) 2004 Ingo Ruhnke <grumbel@gmx.de>
6 // This program is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU General Public License
8 // as published by the Free Software Foundation; either version 2
9 // of the License, or (at your option) any later version.
11 // This program is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License
17 // along with this program; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
26 #include "screen/drawing_context.h"
28 Sprite::Sprite(lisp_object_t* cur)
32 LispReader reader(cur);
34 if(!reader.read_string("name", name))
35 st_abort("Sprite wihtout name", "");
36 reader.read_int("x-hotspot", x_hotspot);
37 reader.read_int("y-hotspot", y_hotspot);
38 reader.read_float("fps", fps);
40 std::vector<std::string> images;
41 if(!reader.read_string_vector("images", images))
42 st_abort("Sprite contains no images: ", name.c_str());
44 for(std::vector<std::string>::size_type i = 0; i < images.size(); ++i)
47 new Surface(datadir + "/images/" + images[i], USE_ALPHA));
50 frame_delay = 1000.0f/fps;
55 for(std::vector<Surface*>::iterator i = surfaces.begin(); i != surfaces.end();
61 Sprite::init_defaults()
67 frame_delay = 1000.0f/fps;
71 Sprite::update(float /*delta*/)
74 //std::cout << "Delta: " << delta << std::endl;
78 Sprite::draw(DrawingContext& context, const Vector& pos, int layer,
79 Uint32 drawing_effect)
81 time = SDL_GetTicks();
82 unsigned int frame = get_current_frame();
84 if (frame < surfaces.size())
86 Surface* surface = surfaces[frame];
88 context.draw_surface(surface, pos - Vector(x_hotspot, y_hotspot), layer, drawing_effect);
94 Sprite::draw_part(float sx, float sy, float x, float y, float w, float h)
96 time = SDL_GetTicks();
97 unsigned int frame = get_current_frame();
99 if (frame < surfaces.size())
100 surfaces[frame]->draw_part(sx, sy, x - x_hotspot, y - y_hotspot, w, h);
111 Sprite::get_current_frame() const
113 unsigned int frame = static_cast<int>(fmodf(time, surfaces.size()*frame_delay)/frame_delay);
114 return frame % surfaces.size();
118 Sprite::get_width() const
120 return surfaces[get_current_frame()]->w;
124 Sprite::get_height() const
126 return surfaces[get_current_frame()]->h;