// 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 <cmath>
#include <cassert>
#include <iostream>
+#include <stdexcept>
#include "app/globals.h"
#include "tile.h"
#include "scene.h"
+#include "resources.h"
#include "utils/lispreader.h"
#include "math/vector.h"
#include "video/drawing_context.h"
-/** Dirty little helper to create a surface from a snipped of lisp:
- *
- * "filename"
- * (region "filename" x y w h)
- */
-static
-Surface* create_surface(lisp_object_t* cur)
-{
- if (lisp_string_p(cur))
- {
- return new Surface(datadir + "/images/tilesets/" + lisp_string(cur),
- true);
- }
- else if (lisp_cons_p(cur) && lisp_symbol_p(lisp_car(cur)))
- {
- lisp_object_t* sym = lisp_car(cur);
- lisp_object_t* data = lisp_cdr(cur);
-
- if (strcmp(lisp_symbol(sym), "region") == 0)
- {
- if (lisp_list_length(data) == 5) // (image-region filename x y w h)
- {
- return new Surface(datadir + "/images/tilesets/" + lisp_string(lisp_car(data)),
- lisp_integer(lisp_list_nth(data, 1)),
- lisp_integer(lisp_list_nth(data, 2)),
- lisp_integer(lisp_list_nth(data, 3)),
- lisp_integer(lisp_list_nth(data, 4)),
- true);
- }
- else
- {
- std::cout << "Tile: Type mispatch, should be '(region \"somestring\" x y w h)'" << std::endl;
- return 0;
- }
- }
- else
- {
- std::cout << "Tile: Unhandled tag: " << lisp_symbol(sym) << std::endl;
- return 0;
- }
- }
-
- std::cout << "Tile: unhandled element" << std::endl;
- return 0;
-}
-
-/** Create a vector of surfaces (aka Sprite) from a piece of lisp:
- ((image "bla.png") (image-region "bla.png") ...)
- */
-static
-std::vector<Surface*> create_surfaces(lisp_object_t* cur)
-{
- std::vector<Surface*> surfs;
-
- while(cur)
- {
- Surface* surface = create_surface(lisp_car(cur));
- if (surface)
- surfs.push_back(surface);
- else
- std::cout << "Tile: Couldn't create image" << std::endl;
-
- cur = lisp_cdr(cur);
- }
-
- return surfs;
-}
-
Tile::Tile()
- : id(-1), attributes(0), data(0), next_tile(0), anim_speed(25)
+ : id(0), editor_image(0), attributes(0), data(0), anim_fps(1)
{
}
++i) {
delete *i;
}
- for(std::vector<Surface*>::iterator i = editor_images.begin();
- i != editor_images.end(); ++i) {
- delete *i;
- }
+ delete editor_image;
}
-int
-Tile::read(LispReader& reader)
+void
+Tile::parse(LispReader& reader)
{
- if(!reader.read_int("id", id)) {
- std::cerr << "Missing tile-id.\n";
- return -1;
+ if(!reader.read_uint("id", id)) {
+ throw std::runtime_error("Missing tile-id.");
}
bool value;
if(reader.read_bool("solid", value) && value)
attributes |= SOLID;
if(reader.read_bool("unisolid", value) && value)
- attributes |= GOAL;
+ attributes |= UNISOLID | SOLID;
if(reader.read_bool("brick", value) && value)
attributes |= BRICK;
if(reader.read_bool("ice", value) && value)
attributes |= GOAL;
reader.read_int("data", data);
- reader.read_int("anim-speed", anim_speed);
- reader.read_int("next-tile", next_tile);
+ reader.read_float("anim-fps", anim_fps);
- slope_angle = 0;
- reader.read_float("slope-angle", slope_angle);
- if(slope_angle != 0)
- { // convert angle to radians from degrees:
- slope_angle = (slope_angle * M_PI) / 180;
- attributes |= SOLID;
+ if(reader.read_int("slope-type", data)) {
+ attributes |= SOLID | SLOPE;
+ }
+
+ parse_images(reader.read_lisp("images"));
+ reader.read_string("editor-images", editor_imagefile);
+}
+
+void
+Tile::parse_images(lisp_object_t* list)
+{
+ while(!lisp_nil_p(list)) {
+ lisp_object_t* cur = lisp_car(list);
+ if(lisp_string_p(cur)) {
+ imagespecs.push_back(ImageSpec(lisp_string(cur), Rectangle(0, 0, 0, 0)));
+ } else if(lisp_cons_p(cur) && lisp_symbol_p(lisp_car(cur))) {
+ lisp_object_t* sym = lisp_car(cur);
+ lisp_object_t* data = lisp_cdr(cur);
+
+ if (strcmp(lisp_symbol(sym), "region") == 0) {
+ float x = lisp_integer(lisp_list_nth(data, 1));
+ float y = lisp_integer(lisp_list_nth(data, 2));
+ float width = lisp_integer(lisp_list_nth(data, 3));
+ float height = lisp_integer(lisp_list_nth(data, 4));
+ imagespecs.push_back(ImageSpec(lisp_string(lisp_car(data)),
+ Rectangle(x, y, x+width, y+height)));
+ } else {
+ std::cerr << "Tile: Type mismatch, should be '(region \"somestring\" x y w h)'" << std::endl;
+ continue;
+ }
+ } else {
+ std::cerr << "Expected string or list in images tag.\n";
+ continue;
+ }
+
+ list = lisp_cdr(list);
+ }
+}
+
+void
+Tile::load_images()
+{
+ assert(images.size() == 0);
+ for(std::vector<ImageSpec>::iterator i = imagespecs.begin(); i !=
+ imagespecs.end(); ++i) {
+ const ImageSpec& spec = *i;
+ Surface* surface;
+ std::string file
+ = get_resource_filename(std::string("images/tilesets/") + spec.file);
+ if(spec.rect.get_width() <= 0) {
+ surface = new Surface(file, true);
+ } else {
+ surface = new Surface(file,
+ (int) spec.rect.p1.x,
+ (int) spec.rect.p1.y,
+ (int) spec.rect.get_width(),
+ (int) spec.rect.get_height(), true);
}
+ images.push_back(surface);
+ }
+ if(editor_imagefile != "") {
+ editor_image = new Surface(
+ get_resource_filename(
+ std::string("images/tilesets/") + editor_imagefile), true);
+ }
+}
- // FIXME: make images and editor_images a sprite
- images = create_surfaces(reader.read_lisp("images"));
- editor_images = create_surfaces(reader.read_lisp("editor-images"));
+Surface*
+Tile::get_editor_image() const
+{
+ if(editor_image)
+ return editor_image;
+ if(images.size() > 0)
+ return images[0];
- return id;
+ return 0;
}
-/* EOF */
+void
+Tile::draw(DrawingContext& context, const Vector& pos, int layer) const
+{
+ if(images.size() > 1) {
+ size_t frame = size_t(global_time * anim_fps) % images.size();
+ context.draw_surface(images[frame], pos, layer);
+ } else if (images.size() == 1) {
+ context.draw_surface(images[0], pos, layer);
+ }
+}
projects / supertux.git / blobdiff