#include "globals.h"
#include "camera.h"
#include "screen/drawing_context.h"
+#include "lispwriter.h"
Background::Background()
: type(INVALID), image(0)
{
}
+Background::Background(LispReader& reader)
+ : type(INVALID), image(0)
+{
+ if(reader.read_string("image", imagefile)
+ && reader.read_float("speed", speed)) {
+ set_image(imagefile, speed);
+ }
+
+ int tr, tg, tb, br, bg, bb;
+ if(reader.read_int("top_red", tr) && reader.read_int("top_green", tg)
+ && reader.read_int("top_blue", tb) && reader.read_int("bottom_red", br)
+ && reader.read_int("bottom_green", br)
+ && reader.read_int("bottom_blue", bb)) {
+ set_gradient(Color(tr, tg, tb), Color(br, bg, bb));
+ }
+}
+
Background::~Background()
{
delete image;
}
void
+Background::write(LispWriter& writer)
+{
+ if(type == INVALID)
+ return;
+
+ writer.start_list("background");
+
+ if(type == IMAGE) {
+ writer.write_string("image", imagefile);
+ writer.write_float("speed", speed);
+ } else if(type == GRADIENT) {
+ writer.write_int("top_red", gradient_top.red);
+ writer.write_int("top_green", gradient_top.green);
+ writer.write_int("top_blue", gradient_top.blue);
+ writer.write_int("bottom_red", gradient_bottom.red);
+ writer.write_int("bottom_green", gradient_bottom.green);
+ writer.write_int("bottom_blue", gradient_bottom.blue);
+ }
+
+ writer.end_list("background");
+}
+
+void
Background::action(float)
{
}
void
Background::set_image(const std::string& name, float speed)
{
- type = IMAGE;
+ this->type = IMAGE;
+ this->imagefile = name;
this->speed = speed;
delete image;
if(type == GRADIENT) {
context.draw_gradient(gradient_top, gradient_bottom, LAYER_BACKGROUND0);
} else if(type == IMAGE) {
- int sx = int(-context.get_translation().x * float(speed/100.))
+ int sx = int(-context.get_translation().x * speed)
% image->w - image->w;
- int sy = int(-context.get_translation().y * float(speed/100.))
+ int sy = int(-context.get_translation().y * speed)
% image->h - image->h;
context.push_transform();
context.set_translation(Vector(0, 0));