#include <stdexcept>
#include <float.h>
#include <math.h>
+#include <limits>
+#include <physfs.h>
#include "sector.hpp"
#include "object/player.hpp"
#include "object/coin.hpp"
#include "object/block.hpp"
#include "object/invisible_block.hpp"
+#include "object/light.hpp"
+#include "object/pulsing_light.hpp"
#include "object/bullet.hpp"
#include "object/text_object.hpp"
+#include "object/portable.hpp"
#include "badguy/jumpy.hpp"
#include "trigger/sequence_trigger.hpp"
#include "player_status.hpp"
#include "scripting/squirrel_util.hpp"
#include "script_interface.hpp"
#include "log.hpp"
+#include "main.hpp"
Sector* Sector::_current = 0;
bool Sector::draw_solids_only = false;
Sector::Sector(Level* parent)
- : level(parent), currentmusic(LEVEL_MUSIC), gravity(10),
- player(0), camera(0)
+ : level(parent), currentmusic(LEVEL_MUSIC),
+ ambient_light( 1.0f, 1.0f, 1.0f, 1.0f ), gravity(10.0), player(0), camera(0)
{
- add_object(new Player(player_status));
- add_object(new DisplayEffect());
- add_object(new TextObject());
+ add_object(new Player(player_status, "Tux"));
+ add_object(new DisplayEffect("Effect"));
+ add_object(new TextObject("Text"));
// create a new squirrel table for the sector
using namespace Scripting;
Sector::~Sector()
{
using namespace Scripting;
-
+
deactivate();
for(ScriptList::iterator i = scripts.begin();
}
sq_release(global_vm, §or_table);
sq_collectgarbage(global_vm);
-
+
update_game_objects();
assert(gameobjects_new.size() == 0);
Sector::parse_object(const std::string& name, const lisp::Lisp& reader)
{
if(name == "camera") {
- Camera* camera = new Camera(this);
+ Camera* camera = new Camera(this, "Camera");
camera->parse(reader);
return camera;
} else if(name == "particles-snow") {
return partsys;
} else if(name == "money") { // for compatibility with old maps
return new Jumpy(reader);
- }
+ }
try {
return create_object(name, reader);
} catch(std::exception& e) {
log_warning << e.what() << "" << std::endl;
}
-
+
return 0;
}
void
Sector::parse(const lisp::Lisp& sector)
-{
+{
lisp::ListIterator iter(§or);
while(iter.next()) {
const std::string& token = iter.item();
spawnpoints.push_back(sp);
} else if(token == "init-script") {
iter.value()->get(init_script);
+ } else if(token == "ambient-light") {
+ std::vector<float> vColor;
+ sector.get_vector( "ambient-light", vColor );
+ if(vColor.size() < 3) {
+ log_warning << "(ambient-light) requires a color as argument" << std::endl;
+ } else {
+ ambient_light = Color( vColor );
+ }
} else {
GameObject* object = parse_object(token, *(iter.lisp()));
if(object) {
if(!camera) {
log_warning << "sector '" << name << "' does not contain a camera." << std::endl;
update_game_objects();
- add_object(new Camera(this));
+ add_object(new Camera(this, "Camera"));
}
update_game_objects();
reader.get("gravity", gravity);
std::string backgroundimage;
- reader.get("background", backgroundimage);
+ if (reader.get("background", backgroundimage) && (backgroundimage != "")) {
+ if (backgroundimage == "arctis.png") backgroundimage = "arctis.jpg";
+ if (backgroundimage == "arctis2.jpg") backgroundimage = "arctis.jpg";
+ if (backgroundimage == "ocean.png") backgroundimage = "ocean.jpg";
+ backgroundimage = "images/background/" + backgroundimage;
+ if (!PHYSFS_exists(backgroundimage.c_str())) {
+ log_warning << "Background image \"" << backgroundimage << "\" not found. Ignoring." << std::endl;
+ backgroundimage = "";
+ }
+ }
+
float bgspeed = .5;
reader.get("bkgd_speed", bgspeed);
bgspeed /= 100;
bkgd_top.red = static_cast<float> (r) / 255.0f;
bkgd_top.green = static_cast<float> (g) / 255.0f;
bkgd_top.blue = static_cast<float> (b) / 255.0f;
-
+
reader.get("bkgd_red_bottom", r);
reader.get("bkgd_green_bottom", g);
reader.get("bkgd_blue_bottom", b);
bkgd_bottom.red = static_cast<float> (r) / 255.0f;
bkgd_bottom.green = static_cast<float> (g) / 255.0f;
bkgd_bottom.blue = static_cast<float> (b) / 255.0f;
-
+
if(backgroundimage != "") {
Background* background = new Background();
- background->set_image(
- std::string("images/background/") + backgroundimage, bgspeed);
+ background->set_image(backgroundimage, bgspeed);
add_object(background);
} else {
Gradient* gradient = new Gradient();
spawnpoints.push_back(spawn);
music = "chipdisko.ogg";
+ // skip reading music filename. It's all .ogg now, anyway
+ /*
reader.get("music", music);
+ */
music = "music/" + music;
int width = 30, height = 15;
reader.get("width", width);
reader.get("height", height);
-
+
std::vector<unsigned int> tiles;
if(reader.get_vector("interactive-tm", tiles)
|| reader.get_vector("tilemap", tiles)) {
TileMap* tilemap = new TileMap();
tilemap->set(width, height, tiles, LAYER_TILES, true);
+
+ // replace tile id 112 (old invisible tile) with 1311 (new invisible tile)
+ for(size_t x=0; x < tilemap->get_width(); ++x) {
+ for(size_t y=0; y < tilemap->get_height(); ++y) {
+ const Tile* tile = tilemap->get_tile(x, y);
+ if(tile->getID() == 112) tilemap->change(x, y, 1311);
+ }
+ }
+
+ if (height < 19) tilemap->resize(width, 19);
add_object(tilemap);
}
if(reader.get_vector("background-tm", tiles)) {
TileMap* tilemap = new TileMap();
tilemap->set(width, height, tiles, LAYER_BACKGROUNDTILES, false);
+ if (height < 19) tilemap->resize(width, 19);
add_object(tilemap);
}
if(reader.get_vector("foreground-tm", tiles)) {
TileMap* tilemap = new TileMap();
tilemap->set(width, height, tiles, LAYER_FOREGROUNDTILES, false);
+
+ // fill additional space in foreground with tiles of ID 2035 (lightmap/black)
+ if (height < 19) tilemap->resize(width, 19, 2035);
+
add_object(tilemap);
}
}
// add a camera
- Camera* camera = new Camera(this);
+ Camera* camera = new Camera(this, "Camera");
add_object(camera);
update_game_objects();
void
Sector::fix_old_tiles()
{
- // hack for now...
for(std::list<TileMap*>::iterator i = solid_tilemaps.begin(); i != solid_tilemaps.end(); i++) {
TileMap* solids = *i;
for(size_t x=0; x < solids->get_width(); ++x) {
}
}
}
+
+ // add lights for special tiles
+ for(GameObjects::iterator i = gameobjects.begin(); i != gameobjects.end(); i++) {
+ TileMap* tm = dynamic_cast<TileMap*>(*i);
+ if (!tm) continue;
+ for(size_t x=0; x < tm->get_width(); ++x) {
+ for(size_t y=0; y < tm->get_height(); ++y) {
+ const Tile* tile = tm->get_tile(x, y);
+ Vector pos(tm->get_x_offset() + x*32, tm->get_y_offset() + y*32);
+ Vector center(pos.x + 16, pos.y + 16);
+
+ // torch
+ if (tile->getID() == 1517) {
+ float pseudo_rnd = (float)((int)pos.x % 10) / 10;
+ add_object(new PulsingLight(center, 1.0f + pseudo_rnd, 0.9f, 1.0f, Color(1.0f, 1.0f, 0.6f, 1.0f)));
+ }
+ // lava or lavaflow
+ if ((tile->getID() == 173) || (tile->getID() == 1700) || (tile->getID() == 1705) || (tile->getID() == 1706)) {
+ // space lights a bit
+ if (((tm->get_tile(x-1, y)->getID() != tm->get_tile(x,y)->getID())
+ && (tm->get_tile(x, y-1)->getID() != tm->get_tile(x,y)->getID()))
+ || ((x % 3 == 0) && (y % 3 == 0))) {
+ float pseudo_rnd = (float)((int)pos.x % 10) / 10;
+ add_object(new PulsingLight(center, 1.0f + pseudo_rnd, 0.8f, 1.0f, Color(1.0f, 0.3f, 0.0f, 1.0f)));
+ }
+ }
+
+ }
+ }
+ }
+
+
}
void
i = scripts.erase(i);
continue;
}
-
+
++i;
}
-
+
HSQOBJECT object = create_thread(global_vm);
scripts.push_back(object);
sp = *i;
break;
}
- }
+ }
if(!sp) {
log_warning << "Spawnpoint '" << spawnpoint << "' not found." << std::endl;
if(spawnpoint != "main") {
try_expose(object);
}
}
+ try_expose_me();
+
+ // spawn smalltux below spawnpoint
+ if (!player->is_big()) {
+ player->move(player_pos + Vector(0,32));
+ } else {
+ player->move(player_pos);
+ }
+
+ // spawning tux in the ground would kill him
+ if(!is_free_of_tiles(player->get_bbox())) {
+ log_warning << "Tried spawning Tux in solid matter. Compensating." << std::endl;
+ Vector npos = player->get_bbox().p1;
+ npos.y-=32;
+ player->move(npos);
+ }
- player->move(player_pos);
camera->reset(player->get_pos());
update_game_objects();
if(SQ_FAILED(sq_deleteslot(vm, -2, SQFalse)))
throw Scripting::SquirrelError(vm, "Couldn't unset sector in roottable");
sq_pop(vm, 1);
-
+
for(GameObjects::iterator i = gameobjects.begin();
i != gameobjects.end(); ++i) {
GameObject* object = *i;
-
+
try_unexpose(object);
}
+ try_unexpose_me();
_current = NULL;
}
{
return Rect(
camera->get_translation() - Vector(1600, 1200),
- camera->get_translation() + Vector(1600, 1200));
+ camera->get_translation() + Vector(1600, 1200) + Vector(SCREEN_WIDTH,SCREEN_HEIGHT));
}
void
GameObject* object = *i;
if(!object->is_valid())
continue;
-
+
object->update(elapsed_time);
}
-
+
/* Handle all possible collisions. */
handle_collisions();
update_game_objects();
Sector::update_game_objects()
{
/** cleanup marked objects */
- for(std::vector<Bullet*>::iterator i = bullets.begin();
- i != bullets.end(); /* nothing */) {
- Bullet* bullet = *i;
- if(bullet->is_valid()) {
- ++i;
- continue;
- }
-
- i = bullets.erase(i);
- }
- for(MovingObjects::iterator i = moving_objects.begin();
- i != moving_objects.end(); /* nothing */) {
- MovingObject* moving_object = *i;
- if(moving_object->is_valid()) {
- ++i;
- continue;
- }
-
- i = moving_objects.erase(i);
- }
for(std::vector<GameObject*>::iterator i = gameobjects.begin();
i != gameobjects.end(); /* nothing */) {
GameObject* object = *i;
-
+
if(object->is_valid()) {
++i;
continue;
}
before_object_remove(object);
-
+
object->unref();
i = gameobjects.erase(i);
}
GameObject* object = *i;
before_object_add(object);
-
+
gameobjects.push_back(object);
}
gameobjects_new.clear();
Sector::before_object_add(GameObject* object)
{
Bullet* bullet = dynamic_cast<Bullet*> (object);
- if(bullet)
+ if(bullet != NULL) {
bullets.push_back(bullet);
+ }
MovingObject* movingobject = dynamic_cast<MovingObject*> (object);
- if(movingobject) {
+ if(movingobject != NULL) {
moving_objects.push_back(movingobject);
}
-
+
+ Portable* portable = dynamic_cast<Portable*> (object);
+ if(portable != NULL) {
+ portables.push_back(portable);
+ }
+
TileMap* tilemap = dynamic_cast<TileMap*> (object);
- if(tilemap && tilemap->is_solid()) solid_tilemaps.push_back(tilemap);
+ if(tilemap != NULL && tilemap->is_solid()) {
+ solid_tilemaps.push_back(tilemap);
+ }
Camera* camera = dynamic_cast<Camera*> (object);
- if(camera) {
+ if(camera != NULL) {
if(this->camera != 0) {
log_warning << "Multiple cameras added. Ignoring" << std::endl;
return false;
}
Player* player = dynamic_cast<Player*> (object);
- if(player) {
+ if(player != NULL) {
if(this->player != 0) {
log_warning << "Multiple players added. Ignoring" << std::endl;
return false;
this->player = player;
}
+ UsesPhysic *physic_object = dynamic_cast<UsesPhysic *>(object);
+ if(physic_object)
+ {
+ physic_object->physic.set_gravity(gravity);
+ }
+
+
if(_current == this) {
try_expose(object);
}
-
+
return true;
}
}
void
+Sector::try_expose_me()
+{
+ HSQUIRRELVM vm = Scripting::global_vm;
+ sq_pushobject(vm, sector_table);
+ Scripting::SSector* interface = static_cast<Scripting::SSector*> (this);
+ expose_object(vm, -1, interface, "settings", false);
+ sq_pop(vm, 1);
+}
+
+void
Sector::before_object_remove(GameObject* object)
{
+ Portable* portable = dynamic_cast<Portable*> (object);
+ if(portable != NULL) {
+ portables.erase(std::find(portables.begin(), portables.end(), portable));
+ }
+ Bullet* bullet = dynamic_cast<Bullet*> (object);
+ if(bullet != NULL) {
+ bullets.erase(std::find(bullets.begin(), bullets.end(), bullet));
+ }
+ MovingObject* moving_object = dynamic_cast<MovingObject*> (object);
+ if(moving_object != NULL) {
+ moving_objects.erase(
+ std::find(moving_objects.begin(), moving_objects.end(), moving_object));
+ }
+
if(_current == this)
try_unexpose(object);
}
}
sq_settop(vm, oldtop);
}
-}
+}
void
+Sector::try_unexpose_me()
+{
+ HSQUIRRELVM vm = Scripting::global_vm;
+ SQInteger oldtop = sq_gettop(vm);
+ sq_pushobject(vm, sector_table);
+ try {
+ Scripting::unexpose_object(vm, -1, "settings");
+ } catch(std::exception& e) {
+ log_warning << "Couldn't unregister object: " << e.what() << std::endl;
+ }
+ sq_settop(vm, oldtop);
+}
+void
Sector::draw(DrawingContext& context)
{
+ context.set_ambient_color( ambient_light );
context.push_transform();
context.set_translation(camera->get_translation());
for(GameObjects::iterator i = gameobjects.begin();
i != gameobjects.end(); ++i) {
- GameObject* object = *i;
+ GameObject* object = *i;
if(!object->is_valid())
continue;
}
if(show_collrects) {
- Color col(0.2, 0.2, 0.2, 0.7);
+ Color col(0.2f, 0.2f, 0.2f, 0.7f);
for(MovingObjects::iterator i = moving_objects.begin();
i != moving_objects.end(); ++i) {
MovingObject* object = *i;
}
/*-------------------------------------------------------------------------
- * Collision Detection
+ * Collision Detection
*-------------------------------------------------------------------------*/
static const float SHIFT_DELTA = 7.0f;
}
}
-static const float DELTA = .001;
+static const float DELTA = .001f;
void
Sector::collision_tilemap(collision::Constraints* constraints,
Sector::collision_object(MovingObject* object1, MovingObject* object2) const
{
using namespace collision;
-
+
const Rect& r1 = object1->dest;
const Rect& r2 = object2->dest;
i != moving_objects.end(); ++i) {
MovingObject* moving_object = *i;
if(moving_object->get_group() != COLGROUP_STATIC
- || !moving_object->is_valid())
+ && moving_object->get_group() != COLGROUP_MOVING_STATIC)
continue;
-
- check_collisions(constraints, movement, dest, moving_object->dest,
- &object, moving_object);
+ if(!moving_object->is_valid())
+ continue;
+
+ if(moving_object != &object)
+ check_collisions(constraints, movement, dest, moving_object->bbox,
+ &object, moving_object);
}
}
-void
+void
Sector::collision_static_constrains(MovingObject& object)
{
using namespace collision;
+ float infinity = (std::numeric_limits<float>::has_infinity ? std::numeric_limits<float>::infinity() : std::numeric_limits<float>::max());
Constraints constraints;
Vector movement = object.get_movement();
break;
// apply calculated horizontal constraints
- if(constraints.bottom < INFINITY) {
+ if(constraints.bottom < infinity) {
float height = constraints.bottom - constraints.top;
if(height < oheight) {
// we're crushed, but ignore this for now, we'll get this again
}
dest.p2.y = constraints.bottom - DELTA;
dest.p1.y = dest.p2.y - oheight;
- } else if(constraints.top > -INFINITY) {
+ } else if(constraints.top > -infinity) {
dest.p1.y = constraints.top + DELTA;
dest.p2.y = dest.p1.y + oheight;
}
break;
// apply calculated vertical constraints
- if(constraints.right < INFINITY) {
+ if(constraints.right < infinity) {
float width = constraints.right - constraints.left;
if(width + SHIFT_DELTA < owidth) {
printf("Object %p crushed horizontally... L:%f R:%f\n", &object,
dest.p2.x = constraints.right - DELTA;
dest.p1.x = dest.p2.x - owidth;
}
- } else if(constraints.left > -INFINITY) {
+ } else if(constraints.left > -infinity) {
dest.p1.x = constraints.left + DELTA;
dest.p2.x = dest.p1.x + owidth;
}
}
if(constraints.has_constraints()) {
- if( constraints.hit.left || constraints.hit.right
- || constraints.hit.top || constraints.hit.bottom
+ if( constraints.hit.left || constraints.hit.right
+ || constraints.hit.top || constraints.hit.bottom
|| constraints.hit.crush )
object.collision_solid(constraints.hit);
- }
+ }
// an extra pass to make sure we're not crushed horizontally
constraints = Constraints();
collision_static(&constraints, movement, dest, object);
- if(constraints.bottom < INFINITY) {
+ if(constraints.bottom < infinity) {
float height = constraints.bottom - constraints.top;
if(height + SHIFT_DELTA < oheight) {
printf("Object %p crushed vertically...\n", &object);
h.top = true;
h.bottom = true;
h.crush = true;
- object.collision_solid(h);
+ object.collision_solid(h);
}
}
}
+namespace {
+ const float MAX_SPEED = 16.0f;
+}
+
void
Sector::handle_collisions()
{
using namespace collision;
-
+
// calculate destination positions of the objects
for(MovingObjects::iterator i = moving_objects.begin();
i != moving_objects.end(); ++i) {
MovingObject* moving_object = *i;
+ Vector mov = moving_object->get_movement();
+
+ // make sure movement is never faster than MAX_SPEED. Norm is pretty fat, so two addl. checks are done before.
+ if (((mov.x > MAX_SPEED * M_SQRT1_2) || (mov.y > MAX_SPEED * M_SQRT1_2)) && (mov.norm() > MAX_SPEED)) {
+ moving_object->movement = mov.unit() * MAX_SPEED;
+ //log_debug << "Temporarily reduced object's speed of " << mov.norm() << " to " << moving_object->movement.norm() << "." << std::endl;
+ }
moving_object->dest = moving_object->get_bbox();
moving_object->dest.move(moving_object->get_movement());
i != moving_objects.end(); ++i) {
MovingObject* moving_object = *i;
if((moving_object->get_group() != COLGROUP_MOVING
+ && moving_object->get_group() != COLGROUP_MOVING_STATIC
&& moving_object->get_group() != COLGROUP_MOVING_ONLY_STATIC)
|| !moving_object->is_valid())
continue;
i != moving_objects.end(); ++i) {
MovingObject* moving_object = *i;
if((moving_object->get_group() != COLGROUP_MOVING
+ && moving_object->get_group() != COLGROUP_MOVING_STATIC
&& moving_object->get_group() != COLGROUP_MOVING_ONLY_STATIC)
|| !moving_object->is_valid())
continue;
for(MovingObjects::iterator i = moving_objects.begin();
i != moving_objects.end(); ++i) {
MovingObject* moving_object = *i;
- if(moving_object->get_group() != COLGROUP_MOVING
+ if((moving_object->get_group() != COLGROUP_MOVING
+ && moving_object->get_group() != COLGROUP_MOVING_STATIC)
|| !moving_object->is_valid())
continue;
moving_object->collision(*moving_object_2, hit);
moving_object_2->collision(*moving_object, hit);
}
- }
+ }
}
// part3: COLGROUP_MOVING vs COLGROUP_MOVING
i != moving_objects.end(); ++i) {
MovingObject* moving_object = *i;
- if(moving_object->get_group() != COLGROUP_MOVING
+ if((moving_object->get_group() != COLGROUP_MOVING
+ && moving_object->get_group() != COLGROUP_MOVING_STATIC)
|| !moving_object->is_valid())
continue;
for(MovingObjects::iterator i2 = i+1;
i2 != moving_objects.end(); ++i2) {
MovingObject* moving_object_2 = *i2;
- if(moving_object_2->get_group() != COLGROUP_MOVING
+ if((moving_object_2->get_group() != COLGROUP_MOVING
+ && moving_object_2->get_group() != COLGROUP_MOVING_STATIC)
|| !moving_object_2->is_valid())
continue;
collision_object(moving_object, moving_object_2);
- }
+ }
}
// apply object movement
}
bool
-Sector::is_free_space(const Rect& rect) const
+Sector::is_free_of_tiles(const Rect& rect, const bool ignoreUnisolid) const
{
using namespace collision;
-
+
for(std::list<TileMap*>::const_iterator i = solid_tilemaps.begin(); i != solid_tilemaps.end(); i++) {
TileMap* solids = *i;
Constraints constraints;
return collision::rectangle_aatriangle(&constraints, rect, triangle);
}
- if(tile->getAttributes() & Tile::SOLID) return false;
+ if((tile->getAttributes() & Tile::SOLID) && !ignoreUnisolid) return false;
+ if((tile->getAttributes() & Tile::SOLID) && !(tile->getAttributes() & Tile::UNISOLID)) return false;
}
}
}
+ return true;
+}
+
+bool
+Sector::is_free_of_statics(const Rect& rect, const MovingObject* ignore_object, const bool ignoreUnisolid) const
+{
+ using namespace collision;
+
+ if (!is_free_of_tiles(rect, ignoreUnisolid)) return false;
+
for(MovingObjects::const_iterator i = moving_objects.begin();
i != moving_objects.end(); ++i) {
const MovingObject* moving_object = *i;
- if(moving_object->get_group() != COLGROUP_STATIC
- || !moving_object->is_valid())
- continue;
+ if (moving_object == ignore_object) continue;
+ if (!moving_object->is_valid()) continue;
+ if (moving_object->get_group() == COLGROUP_STATIC) {
+ if(intersects(rect, moving_object->get_bbox())) return false;
+ }
+ }
- if(intersects(rect, moving_object->get_bbox()))
- return false;
+ return true;
+}
+
+bool
+Sector::is_free_of_movingstatics(const Rect& rect, const MovingObject* ignore_object) const
+{
+ using namespace collision;
+
+ if (!is_free_of_tiles(rect)) return false;
+
+ for(MovingObjects::const_iterator i = moving_objects.begin();
+ i != moving_objects.end(); ++i) {
+ const MovingObject* moving_object = *i;
+ if (moving_object == ignore_object) continue;
+ if (!moving_object->is_valid()) continue;
+ if ((moving_object->get_group() == COLGROUP_MOVING)
+ || (moving_object->get_group() == COLGROUP_MOVING_STATIC)
+ || (moving_object->get_group() == COLGROUP_STATIC)) {
+ if(intersects(rect, moving_object->get_bbox())) return false;
+ }
}
return true;
// TODO remove this function and move these checks elsewhere...
Bullet* new_bullet = 0;
- if((int)bullets.size() >= player_status->max_fire_bullets)
+ if((player_status->bonus == FIRE_BONUS &&
+ (int)bullets.size() >= player_status->max_fire_bullets) ||
+ (player_status->bonus == ICE_BONUS &&
+ (int)bullets.size() >= player_status->max_ice_bullets))
return false;
- new_bullet = new Bullet(pos, xm, dir);
+ new_bullet = new Bullet(pos, xm, dir, player_status->bonus);
add_object(new_bullet);
sound_manager->play("sounds/shoot.wav");
return height;
}
-void
+void
Sector::change_solid_tiles(uint32_t old_tile_id, uint32_t new_tile_id)
{
for(std::list<TileMap*>::const_iterator i = solid_tilemaps.begin(); i != solid_tilemaps.end(); i++) {
solids->change_all(old_tile_id, new_tile_id);
}
}
+
+
+void
+Sector::set_ambient_light(float red, float green, float blue)
+{
+ ambient_light.red = red;
+ ambient_light.green = green;
+ ambient_light.blue = blue;
+}
+
+float
+Sector::get_ambient_red()
+{
+ return ambient_light.red;
+}
+
+float
+Sector::get_ambient_green()
+{
+ return ambient_light.green;
+}
+
+float
+Sector::get_ambient_blue()
+{
+ return ambient_light.blue;
+}