#include <math.h>
#include <stdexcept>
#include <iostream>
+#include <limits>
#include "ambient_sound.hpp"
#include "object_factory.hpp"
#include "log.hpp"
#include "scripting/squirrel_util.hpp"
-AmbientSound::AmbientSound(const lisp::Lisp& lisp) :
- MovingObject(lisp), sample(""), sound_source(0), latency(0),
- distance_factor(0), distance_bias(0), maximumvolume(1), currentvolume(0)
+AmbientSound::AmbientSound(const lisp::Lisp& lisp)
{
- set_group( COLGROUP_DISABLED );
- float dimensionX = 0;
- float dimensionY = 0;
- lisp.get("width" , dimensionX);
- lisp.get("height", dimensionY);
- set_size( dimensionX, dimensionY );
+ name="";
+ position.x = 0;
+ position.y = 0;
+
+ dimension.x = 0;
+ dimension.y = 0;
+
+ distance_factor = 0;
+ distance_bias = 0;
+ maximumvolume = 1;
+ sample = "";
+ currentvolume = 0;
+
+ if (!(lisp.get("x", position.x)&&lisp.get("y", position.y))) {
+ log_warning << "No Position in ambient_sound" << std::endl;
+ }
+
+ lisp.get("name" , name);
+ lisp.get("width" , dimension.x);
+ lisp.get("height", dimension.y);
lisp.get("distance_factor",distance_factor);
lisp.get("distance_bias" ,distance_bias );
// set dimension to zero if smaller than 64, which is default size in flexlay
- if ((get_width() <= 64) && (get_height() <= 64)) {
- set_size(0, 0);
+ if ((dimension.x <= 64) || (dimension.y <= 64)) {
+ dimension.x = 0;
+ dimension.y = 0;
}
// square all distances (saves us a sqrt later)
// set default silence_distance
if (distance_factor == 0)
- silence_distance = 10e99;
+ silence_distance = std::numeric_limits<float>::max();
else
silence_distance = 1/distance_factor;
lisp.get("silence_distance",silence_distance);
+
+ sound_source = 0; // not playing at the beginning
+ latency=0;
}
-AmbientSound::AmbientSound(Vector pos, float factor, float bias, float vol, std::string file) :
- sample(file), sound_source(0), latency(0), distance_factor(factor*factor),
- distance_bias(bias*bias), maximumvolume(vol), currentvolume(0)
+AmbientSound::AmbientSound(Vector pos, float factor, float bias, float vol, std::string file)
{
- bbox.p1 = pos;
- bbox.p2 = pos;
+ position.x=pos.x;
+ position.y=pos.y;
+
+ dimension.x=0;
+ dimension.y=0;
+
+ distance_factor=factor*factor;
+ distance_bias=bias*bias;
+ maximumvolume=vol;
+ sample=file;
// set default silence_distance
if (distance_factor == 0)
- silence_distance = 10e99;
+ silence_distance = std::numeric_limits<float>::max();
else
silence_distance = 1/distance_factor;
+
+ sound_source = 0; // not playing at the beginning
+ latency=0;
}
AmbientSound::~AmbientSound() {
sound_source->set_gain(0);
sound_source->set_looping(true);
- currentvolume=targetvolume=1e-20;
+ currentvolume=targetvolume=1e-20f;
sound_source->play();
} catch(std::exception& e) {
log_warning << "Couldn't play '" << sample << "': " << e.what() << "" << std::endl;
py=Sector::current()->player->get_pos().y;
// Relate to which point in the area
- rx=px<bbox.p1.x?bbox.p1.x:
- (px<bbox.p2.x?px:bbox.p2.x);
- ry=py<bbox.p1.y?bbox.p1.y:
- (py<bbox.p2.y?py:bbox.p2.y);
+ rx=px<position.x?position.x:
+ (px<position.x+dimension.x?px:position.x+dimension.x);
+ ry=py<position.y?position.y:
+ (py<position.y+dimension.y?py:position.y+dimension.y);
// calculate square of distance
float sqrdistance=(px-rx)*(px-rx)+(py-ry)*(py-ry);
// rise/fall half life?
currentvolume*=pow(rise,deltat*10);
- currentvolume += 1e-6; // volume is at least 1e-6 (0 would never rise)
+ currentvolume += 1e-6f; // volume is at least 1e-6 (0 would never rise)
if (sound_source != 0) {
sound_source->set_gain(currentvolume*maximumvolume);
if (sqrdistance>=silence_distance && currentvolume<1e-3)
- stop_playing();
+ stop_playing();
latency=0;
} else {
if (sqrdistance<silence_distance) {
- start_playing();
- latency=0;
+ start_playing();
+ latency=0;
}
else // set a reasonable latency
- latency=(int)(0.001/distance_factor);
+ latency=(int)(0.001/distance_factor);
//(int)(10*((sqrdistance-silence_distance)/silence_distance));
}
}
void
AmbientSound::expose(HSQUIRRELVM vm, SQInteger table_idx)
{
- if(name.empty()) return;
- expose_object(vm, table_idx, dynamic_cast<Scripting::AmbientSound *>(this), name, false);
+ Scripting::AmbientSound* interface = static_cast<Scripting::AmbientSound*> (this);
+ expose_object(vm, table_idx, interface, name, false);
}
void
AmbientSound::unexpose(HSQUIRRELVM vm, SQInteger table_idx)
{
- if(name.empty()) return;
Scripting::unexpose_object(vm, table_idx, name);
}
+void
+AmbientSound::set_pos(float x, float y)
+{
+ position.x = x;
+ position.y = y;
+}
+
+float
+AmbientSound::get_pos_x() const
+{
+ return position.x;
+}
+
+float
+AmbientSound::get_pos_y() const
+{
+ return position.y;
+}
+
IMPLEMENT_FACTORY(AmbientSound, "ambient_sound");