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.
23 #include "../app/globals.h"
24 #include "../app/setup.h"
25 #include "../special/sprite.h"
26 #include "../video/drawing_context.h"
28 using namespace SuperTux;
30 Sprite::Sprite(lisp_object_t* cur)
32 for(; !lisp_nil_p(cur); cur = lisp_cdr(cur))
34 std::string token = lisp_symbol(lisp_car(lisp_car(cur)));
35 lisp_object_t* data = lisp_car(lisp_cdr(lisp_car(cur)));
36 LispReader reader(lisp_cdr(lisp_car(cur)));
39 name = lisp_string(data);
40 else if(token == "action")
45 Termination::abort("Error: Sprite wihtout name.", "");
47 Termination::abort("Error: Sprite wihtout actions.", "");
52 for(Actions::iterator i_act = actions.begin(); i_act != actions.end(); ++i_act)
54 for(std::vector<Surface*>::iterator i_sur = i_act->second->surfaces.begin();
55 i_sur != i_act->second->surfaces.end(); ++i_sur)
62 Sprite::parse_action(LispReader& lispreader)
66 init_defaults(action);
68 if(!lispreader.read_string("name", action->name))
70 Termination::abort("Error: If there are more than one action, they need names!", "");
71 lispreader.read_int("x-hotspot", action->x_hotspot);
72 lispreader.read_int("y-hotspot", action->y_hotspot);
73 lispreader.read_float("fps", action->fps);
75 std::vector<std::string> images;
76 if(!lispreader.read_string_vector("images", images))
77 Termination::abort("Sprite contains no images: ", action->name.c_str());
79 for(std::vector<std::string>::size_type i = 0; i < images.size(); ++i)
81 action->surfaces.push_back(
82 new Surface(datadir + "/images/" + images[i], true));
85 actions[action->name] = action;
89 Sprite::init_defaults(Action* act)
100 Sprite::set_action(std::string act)
102 Actions::iterator i = actions.find(act);
107 Sprite::start_animation(int loops)
109 animation_loops = loops;
117 last_tick = SDL_GetTicks();
118 animation_reversed = false;
122 Sprite::check_animation()
124 return animation_loops;
128 Sprite::reverse_animation()
130 animation_reversed = !animation_reversed;
132 if(animation_reversed)
133 frame = get_frames()-1;
141 if(animation_loops == 0)
144 float inc_frame = (action->fps/1000) * (SDL_GetTicks() - last_tick);
146 if(animation_reversed)
151 last_tick = SDL_GetTicks();
153 if(!animation_reversed)
155 if((unsigned int)frame >= action->surfaces.size())
158 if(animation_loops > 0)
164 if((unsigned int)frame < 0)
166 frame = get_frames()-1;
167 if(animation_loops > 0)
174 Sprite::draw(DrawingContext& context, const Vector& pos, int layer,
175 Uint32 drawing_effect)
179 if((int)frame >= get_frames())
180 std::cerr << "Warning: frame higher than total frames!\n";
182 context.draw_surface(action->surfaces[(int)frame],
183 pos - Vector(action->x_hotspot, action->y_hotspot), layer, drawing_effect);
188 Sprite::draw_part(float sx, float sy, float x, float y, float w, float h)
190 time = SDL_GetTicks();
191 unsigned int frame = get_current_frame();
193 if (frame < surfaces.size())
194 surfaces[frame]->draw_part(sx, sy, x - x_hotspot, y - y_hotspot, w, h);
201 return action->surfaces[get_frame()]->w;
207 return action->surfaces[get_frame()]->h;