/
sector.cpp
1667 lines (1442 loc) · 48.2 KB
/
sector.cpp
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// SuperTux - A Jump'n Run
// Copyright (C) 2006 Matthias Braun <matze@braunis.de>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "supertux/sector.hpp"
#include <algorithm>
#include <math.h>
#include "audio/sound_manager.hpp"
#include "badguy/jumpy.hpp"
#include "lisp/list_iterator.hpp"
#include "math/aatriangle.hpp"
#include "object/background.hpp"
#include "object/bonus_block.hpp"
#include "object/brick.hpp"
#include "object/bullet.hpp"
#include "object/camera.hpp"
#include "object/cloud_particle_system.hpp"
#include "object/coin.hpp"
#include "object/comet_particle_system.hpp"
#include "object/display_effect.hpp"
#include "object/ghost_particle_system.hpp"
#include "object/gradient.hpp"
#include "object/invisible_block.hpp"
#include "object/particlesystem.hpp"
#include "object/particlesystem_interactive.hpp"
#include "object/player.hpp"
#include "object/portable.hpp"
#include "object/pulsing_light.hpp"
#include "object/rain_particle_system.hpp"
#include "object/smoke_cloud.hpp"
#include "object/snow_particle_system.hpp"
#include "object/text_object.hpp"
#include "object/tilemap.hpp"
#include "physfs/ifile_streambuf.hpp"
#include "scripting/scripting.hpp"
#include "scripting/squirrel_util.hpp"
#include "supertux/collision.hpp"
#include "supertux/constants.hpp"
#include "supertux/game_session.hpp"
#include "supertux/globals.hpp"
#include "supertux/level.hpp"
#include "supertux/object_factory.hpp"
#include "supertux/player_status.hpp"
#include "supertux/savegame.hpp"
#include "supertux/spawn_point.hpp"
#include "supertux/tile.hpp"
#include "trigger/secretarea_trigger.hpp"
#include "trigger/sequence_trigger.hpp"
#include "util/file_system.hpp"
Sector* Sector::_current = 0;
bool Sector::show_collrects = false;
bool Sector::draw_solids_only = false;
Sector::Sector(Level* parent) :
level(parent),
name(),
bullets(),
init_script(),
gameobjects_new(),
currentmusic(LEVEL_MUSIC),
sector_table(),
scripts(),
ambient_light( 1.0f, 1.0f, 1.0f, 1.0f ),
foremost_layer(),
gameobjects(),
moving_objects(),
spawnpoints(),
portables(),
music(),
gravity(10.0),
player(0),
solid_tilemaps(),
camera(0),
effect(0)
{
add_object(std::make_shared<Player>(GameSession::current()->get_savegame().get_player_status(), "Tux"));
add_object(std::make_shared<DisplayEffect>("Effect"));
add_object(std::make_shared<TextObject>("Text"));
SoundManager::current()->preload("sounds/shoot.wav");
// create a new squirrel table for the sector
using namespace scripting;
sq_collectgarbage(global_vm);
sq_newtable(global_vm);
sq_pushroottable(global_vm);
if(SQ_FAILED(sq_setdelegate(global_vm, -2)))
throw scripting::SquirrelError(global_vm, "Couldn't set sector_table delegate");
sq_resetobject(§or_table);
if(SQ_FAILED(sq_getstackobj(global_vm, -1, §or_table)))
throw scripting::SquirrelError(global_vm, "Couldn't get sector table");
sq_addref(global_vm, §or_table);
sq_pop(global_vm, 1);
foremost_layer = calculate_foremost_layer();
}
Sector::~Sector()
{
using namespace scripting;
deactivate();
for(auto i = scripts.begin(); i != scripts.end(); ++i) {
HSQOBJECT& object = *i;
sq_release(global_vm, &object);
}
sq_release(global_vm, §or_table);
sq_collectgarbage(global_vm);
update_game_objects();
assert(gameobjects_new.size() == 0);
for(auto i = gameobjects.begin(); i != gameobjects.end(); ++i) {
GameObjectPtr object = *i;
before_object_remove(object);
}
}
Level*
Sector::get_level()
{
return level;
}
GameObjectPtr
Sector::parse_object(const std::string& name_, const Reader& reader)
{
if(name_ == "camera") {
auto camera_ = std::make_shared<Camera>(this, "Camera");
camera_->parse(reader);
return camera_;
} else if(name_ == "particles-snow") {
auto partsys = std::make_shared<SnowParticleSystem>();
partsys->parse(reader);
return partsys;
} else if(name_ == "particles-rain") {
auto partsys = std::make_shared<RainParticleSystem>();
partsys->parse(reader);
return partsys;
} else if(name_ == "particles-comets") {
auto partsys = std::make_shared<CometParticleSystem>();
partsys->parse(reader);
return partsys;
} else if(name_ == "particles-ghosts") {
auto partsys = std::make_shared<GhostParticleSystem>();
partsys->parse(reader);
return partsys;
} else if(name_ == "particles-clouds") {
auto partsys = std::make_shared<CloudParticleSystem>();
partsys->parse(reader);
return partsys;
} else if(name_ == "money") { // for compatibility with old maps
return std::make_shared<Jumpy>(reader);
} else {
try {
return ObjectFactory::instance().create(name_, reader);
} catch(std::exception& e) {
log_warning << e.what() << "" << std::endl;
return {};
}
}
}
void
Sector::parse(const Reader& sector)
{
bool has_background = false;
lisp::ListIterator iter(§or);
while(iter.next()) {
const std::string& token = iter.item();
if(token == "name") {
iter.value()->get(name);
} else if(token == "gravity") {
iter.value()->get(gravity);
} else if(token == "music") {
iter.value()->get(music);
} else if(token == "spawnpoint") {
auto sp = std::make_shared<SpawnPoint>(*iter.lisp());
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( "ambient-light", vColor );
if(vColor.size() < 3) {
log_warning << "(ambient-light) requires a color as argument" << std::endl;
} else {
ambient_light = Color( vColor );
}
} else {
GameObjectPtr object = parse_object(token, *(iter.lisp()));
if(object) {
if(std::dynamic_pointer_cast<Background>(object)) {
has_background = true;
} else if(std::dynamic_pointer_cast<Gradient>(object)) {
has_background = true;
}
add_object(object);
}
}
}
if(!has_background) {
auto gradient = std::make_shared<Gradient>();
gradient->set_gradient(Color(0.3, 0.4, 0.75), Color(1, 1, 1));
add_object(gradient);
}
update_game_objects();
if(solid_tilemaps.size() < 1) { log_warning << "sector '" << name << "' does not contain a solid tile layer." << std::endl; }
fix_old_tiles();
if(!camera) {
log_warning << "sector '" << name << "' does not contain a camera." << std::endl;
update_game_objects();
add_object(std::make_shared<Camera>(this, "Camera"));
}
update_game_objects();
}
void
Sector::parse_old_format(const Reader& reader)
{
name = "main";
reader.get("gravity", gravity);
std::string 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;
Color bkgd_top, bkgd_bottom;
int r = 0, g = 0, b = 128;
reader.get("bkgd_red_top", r);
reader.get("bkgd_green_top", g);
reader.get("bkgd_blue_top", b);
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 != "") {
auto background = std::make_shared<Background>();
background->set_image(backgroundimage, bgspeed);
add_object(background);
} else {
auto gradient = std::make_shared<Gradient>();
gradient->set_gradient(bkgd_top, bkgd_bottom);
add_object(gradient);
}
std::string particlesystem;
reader.get("particle_system", particlesystem);
if(particlesystem == "clouds")
add_object(std::make_shared<CloudParticleSystem>());
else if(particlesystem == "snow")
add_object(std::make_shared<SnowParticleSystem>());
else if(particlesystem == "rain")
add_object(std::make_shared<RainParticleSystem>());
Vector startpos(100, 170);
reader.get("start_pos_x", startpos.x);
reader.get("start_pos_y", startpos.y);
auto spawn = std::make_shared<SpawnPoint>();
spawn->pos = startpos;
spawn->name = "main";
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("interactive-tm", tiles)
|| reader.get("tilemap", tiles)) {
auto tilemap = std::make_shared<TileMap>(level->get_tileset());
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) {
uint32_t id = tilemap->get_tile_id(x, y);
if(id == 112)
tilemap->change(x, y, 1311);
}
}
if (height < 19) tilemap->resize(width, 19);
add_object(tilemap);
}
if(reader.get("background-tm", tiles)) {
auto tilemap = std::make_shared<TileMap>(level->get_tileset());
tilemap->set(width, height, tiles, LAYER_BACKGROUNDTILES, false);
if (height < 19) tilemap->resize(width, 19);
add_object(tilemap);
}
if(reader.get("foreground-tm", tiles)) {
auto tilemap = std::make_shared<TileMap>(level->get_tileset());
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);
}
// read reset-points (now spawn-points)
const lisp::Lisp* resetpoints = reader.get_lisp("reset-points");
if(resetpoints) {
lisp::ListIterator iter(resetpoints);
while(iter.next()) {
if(iter.item() == "point") {
Vector sp_pos;
if(reader.get("x", sp_pos.x) && reader.get("y", sp_pos.y))
{
auto sp = std::make_shared<SpawnPoint>();
sp->name = "main";
sp->pos = sp_pos;
spawnpoints.push_back(sp);
}
} else {
log_warning << "Unknown token '" << iter.item() << "' in reset-points." << std::endl;
}
}
}
// read objects
const lisp::Lisp* objects = reader.get_lisp("objects");
if(objects) {
lisp::ListIterator iter(objects);
while(iter.next()) {
auto object = parse_object(iter.item(), *(iter.lisp()));
if(object) {
add_object(object);
} else {
log_warning << "Unknown object '" << iter.item() << "' in level." << std::endl;
}
}
}
// add a camera
auto camera_ = std::make_shared<Camera>(this, "Camera");
add_object(camera_);
update_game_objects();
if(solid_tilemaps.size() < 1) { log_warning << "sector '" << name << "' does not contain a solid tile layer." << std::endl; }
fix_old_tiles();
update_game_objects();
}
void
Sector::fix_old_tiles()
{
for(auto i = solid_tilemaps.begin(); i != solid_tilemaps.end(); i++) {
TileMap* solids = *i;
for(size_t x=0; x < solids->get_width(); ++x) {
for(size_t y=0; y < solids->get_height(); ++y) {
uint32_t id = solids->get_tile_id(x, y);
const Tile *tile = solids->get_tile(x, y);
Vector pos = solids->get_tile_position(x, y);
if(id == 112) {
add_object(std::make_shared<InvisibleBlock>(pos));
solids->change(x, y, 0);
} else if(tile->getAttributes() & Tile::COIN) {
add_object(std::make_shared<Coin>(pos, solids));
solids->change(x, y, 0);
} else if(tile->getAttributes() & Tile::FULLBOX) {
add_object(std::make_shared<BonusBlock>(pos, tile->getData()));
solids->change(x, y, 0);
} else if(tile->getAttributes() & Tile::BRICK) {
if( ( id == 3159 ) || ( id == 3160 ) ){
add_object( std::make_shared<Brick>(pos, tile->getData(), "images/objects/bonus_block/brickWeb.sprite") );
} else if( ( id == 78 ) || ( id == 105 ) ){
add_object( std::make_shared<Brick>(pos, tile->getData(), "images/objects/bonus_block/brickIce.sprite") );
} else if( ( id == 77 ) || ( id == 104 ) ){
add_object( std::make_shared<Brick>(pos, tile->getData(), "images/objects/bonus_block/brick.sprite") );
} else {
log_warning << "attribute 'brick #t' is not supported for tile-id " << id << std::endl;
add_object( std::make_shared<Brick>(pos, tile->getData(), "images/objects/bonus_block/brick.sprite") );
}
solids->change(x, y, 0);
} else if(tile->getAttributes() & Tile::GOAL) {
std::string sequence = tile->getData() == 0 ? "endsequence" : "stoptux";
add_object(std::make_shared<SequenceTrigger>(pos, sequence));
solids->change(x, y, 0);
}
}
}
}
// add lights for special tiles
for(auto i = gameobjects.begin(); i != gameobjects.end(); i++) {
TileMap* tm = dynamic_cast<TileMap*>(i->get());
if (!tm) continue;
for(size_t x=0; x < tm->get_width(); ++x) {
for(size_t y=0; y < tm->get_height(); ++y) {
uint32_t id = tm->get_tile_id(x, y);
Vector pos = tm->get_tile_position(x, y);
Vector center = pos + Vector(16, 16);
// torch
if (id == 1517) {
float pseudo_rnd = (float)((int)pos.x % 10) / 10;
add_object(std::make_shared<PulsingLight>(center, 1.0f + pseudo_rnd, 0.9f, 1.0f, Color(1.0f, 1.0f, 0.6f, 1.0f)));
}
// lava or lavaflow
if ((id == 173) || (id == 1700) || (id == 1705) || (id == 1706)) {
// space lights a bit
if ((((tm->get_tile_id(x-1, y)) != tm->get_tile_id(x,y))
&& (tm->get_tile_id(x, y-1) != tm->get_tile_id(x,y)))
|| ((x % 3 == 0) && (y % 3 == 0))) {
float pseudo_rnd = (float)((int)pos.x % 10) / 10;
add_object(std::make_shared<PulsingLight>(center, 1.0f + pseudo_rnd, 0.8f, 1.0f, Color(1.0f, 0.3f, 0.0f, 1.0f)));
}
}
}
}
}
}
HSQUIRRELVM
Sector::run_script(std::istream& in, const std::string& sourcename)
{
using namespace scripting;
// garbage collect thread list
for(auto i = scripts.begin(); i != scripts.end(); ) {
HSQOBJECT& object = *i;
HSQUIRRELVM vm = object_to_vm(object);
if(sq_getvmstate(vm) != SQ_VMSTATE_SUSPENDED) {
sq_release(global_vm, &object);
i = scripts.erase(i);
continue;
}
++i;
}
HSQOBJECT object = create_thread(global_vm);
scripts.push_back(object);
HSQUIRRELVM vm = object_to_vm(object);
// set sector_table as roottable for the thread
sq_pushobject(vm, sector_table);
sq_setroottable(vm);
try {
compile_and_run(vm, in, "Sector " + name + " - " + sourcename);
} catch(std::exception& e) {
log_warning << "Error running script: " << e.what() << std::endl;
}
return vm;
}
void
Sector::add_object(GameObjectPtr object)
{
// make sure the object isn't already in the list
#ifndef NDEBUG
for(auto i = gameobjects.begin(); i != gameobjects.end(); ++i) {
assert(*i != object);
}
for(auto i = gameobjects_new.begin(); i != gameobjects_new.end(); ++i) {
assert(*i != object);
}
#endif
gameobjects_new.push_back(object);
}
void
Sector::activate(const std::string& spawnpoint)
{
std::shared_ptr<SpawnPoint> sp;
for(auto i = spawnpoints.begin(); i != spawnpoints.end(); ++i) {
if((*i)->name == spawnpoint) {
sp = *i;
break;
}
}
if(!sp) {
log_warning << "Spawnpoint '" << spawnpoint << "' not found." << std::endl;
if(spawnpoint != "main") {
activate("main");
} else {
activate(Vector(0, 0));
}
} else {
activate(sp->pos);
}
}
void
Sector::activate(const Vector& player_pos)
{
if(_current != this) {
if(_current != NULL)
_current->deactivate();
_current = this;
// register sectortable as sector in scripting
HSQUIRRELVM vm = scripting::global_vm;
sq_pushroottable(vm);
sq_pushstring(vm, "sector", -1);
sq_pushobject(vm, sector_table);
if(SQ_FAILED(sq_createslot(vm, -3)))
throw scripting::SquirrelError(vm, "Couldn't set sector in roottable");
sq_pop(vm, 1);
for(auto i = gameobjects.begin(); i != gameobjects.end(); ++i) {
GameObjectPtr object = *i;
try_expose(object);
}
}
try_expose_me();
// two-player hack: move other players to main player's position
// Maybe specify 2 spawnpoints in the level?
for(auto i = gameobjects.begin(); i != gameobjects.end(); ++i) {
Player* p = dynamic_cast<Player*>(i->get());
if (!p) continue;
// spawn smalltux below spawnpoint
if (!p->is_big()) {
p->move(player_pos + Vector(0,32));
} else {
p->move(player_pos);
}
// spawning tux in the ground would kill him
if(!is_free_of_tiles(p->get_bbox())) {
log_warning << "Tried spawning Tux in solid matter. Compensating." << std::endl;
Vector npos = p->get_bbox().p1;
npos.y-=32;
p->move(npos);
}
}
//FIXME: This is a really dirty workaround for this strange camera jump
player->move(player->get_pos()+Vector(-32, 0));
camera->reset(player->get_pos());
camera->update(1);
player->move(player->get_pos()+(Vector(32, 0)));
camera->update(1);
update_game_objects();
//Run default.nut just before init script
//Check to see if it's in a levelset (info file)
std::string basedir = FileSystem::dirname(get_level()->filename);
if(PHYSFS_exists((basedir + "/info").c_str())) {
try {
IFileStreambuf ins(basedir + "/default.nut");
std::istream in(&ins);
run_script(in, "default.nut");
} catch(std::exception& ) {
// doesn't exist or erroneous; do nothing
}
}
// Run init script
if(init_script != "") {
std::istringstream in(init_script);
run_script(in, "init-script");
}
}
void
Sector::deactivate()
{
if(_current != this)
return;
// remove sector entry from global vm
HSQUIRRELVM vm = scripting::global_vm;
sq_pushroottable(vm);
sq_pushstring(vm, "sector", -1);
if(SQ_FAILED(sq_deleteslot(vm, -2, SQFalse)))
throw scripting::SquirrelError(vm, "Couldn't unset sector in roottable");
sq_pop(vm, 1);
for(auto i = gameobjects.begin(); i != gameobjects.end(); ++i) {
GameObjectPtr object = *i;
try_unexpose(object);
}
try_unexpose_me();
_current = NULL;
}
Rectf
Sector::get_active_region()
{
return Rectf(
camera->get_translation() - Vector(1600, 1200),
camera->get_translation() + Vector(1600, 1200) + Vector(SCREEN_WIDTH,SCREEN_HEIGHT));
}
int
Sector::calculate_foremost_layer()
{
int layer = 0;
std::vector<std::string> secret_area_layers;
for(auto i = gameobjects.begin(); i != gameobjects.end(); ++i)
{
SecretAreaTrigger* trigger = dynamic_cast<SecretAreaTrigger*>(i->get());
if (!trigger) continue;
secret_area_layers.push_back(trigger->get_fade_tilemap_name());
}
for(auto i = gameobjects.begin(); i != gameobjects.end(); ++i)
{
TileMap* tm = dynamic_cast<TileMap*>(i->get());
if (!tm) continue;
if(tm->get_layer() > foremost_layer)
{
if (std::find(secret_area_layers.begin(), secret_area_layers.end(), tm->get_name())
!= secret_area_layers.end() || tm->is_solid())
{
layer = tm->get_layer();
}
}
}
return layer;
}
int
Sector::get_foremost_layer()
{
return foremost_layer;
}
void
Sector::update(float elapsed_time)
{
player->check_bounds();
/* update objects */
for(auto i = gameobjects.begin(); i != gameobjects.end(); ++i) {
GameObjectPtr& object = *i;
if(!object->is_valid())
continue;
object->update(elapsed_time);
}
/* Handle all possible collisions. */
handle_collisions();
update_game_objects();
}
void
Sector::update_game_objects()
{
/** cleanup marked objects */
for(auto i = gameobjects.begin();
i != gameobjects.end(); /* nothing */) {
GameObjectPtr& object = *i;
if(object->is_valid()) {
++i;
continue;
}
before_object_remove(object);
i = gameobjects.erase(i);
}
/* add newly created objects */
for(auto i = gameobjects_new.begin();
i != gameobjects_new.end(); ++i)
{
GameObjectPtr object = *i;
before_object_add(object);
gameobjects.push_back(object);
}
gameobjects_new.clear();
/* update solid_tilemaps list */
//FIXME: this could be more efficient
solid_tilemaps.clear();
for(auto i = gameobjects.begin(); i != gameobjects.end(); ++i)
{
TileMap* tm = dynamic_cast<TileMap*>(i->get());
if (!tm) continue;
if (tm->is_solid()) solid_tilemaps.push_back(tm);
}
}
bool
Sector::before_object_add(GameObjectPtr object)
{
auto bullet = dynamic_cast<Bullet*>(object.get());
if (bullet)
{
bullets.push_back(bullet);
}
auto movingobject = dynamic_cast<MovingObject*>(object.get());
if (movingobject)
{
moving_objects.push_back(movingobject);
}
auto portable = dynamic_cast<Portable*>(object.get());
if(portable)
{
portables.push_back(portable);
}
auto tilemap = dynamic_cast<TileMap*>(object.get());
if(tilemap && tilemap->is_solid()) {
solid_tilemaps.push_back(tilemap);
}
auto camera_ = dynamic_cast<Camera*>(object.get());
if(camera_) {
if(this->camera != 0) {
log_warning << "Multiple cameras added. Ignoring" << std::endl;
return false;
}
this->camera = camera_;
}
auto player_ = dynamic_cast<Player*>(object.get());
if(player_) {
if(this->player != 0) {
log_warning << "Multiple players added. Ignoring" << std::endl;
return false;
}
this->player = player_;
}
auto effect_ = dynamic_cast<DisplayEffect*>(object.get());
if(effect_) {
if(this->effect != 0) {
log_warning << "Multiple DisplayEffects added. Ignoring" << std::endl;
return false;
}
this->effect = effect_;
}
if(_current == this) {
try_expose(object);
}
return true;
}
void
Sector::try_expose(GameObjectPtr object)
{
ScriptInterface* object_ = dynamic_cast<ScriptInterface*>(object.get());
if(object_ != NULL) {
HSQUIRRELVM vm = scripting::global_vm;
sq_pushobject(vm, sector_table);
object_->expose(vm, -1);
sq_pop(vm, 1);
}
}
void
Sector::try_expose_me()
{
HSQUIRRELVM vm = scripting::global_vm;
sq_pushobject(vm, sector_table);
scripting::SSector* this_ = static_cast<scripting::SSector*>(this);
expose_object(vm, -1, this_, "settings", false);
sq_pop(vm, 1);
}
void
Sector::before_object_remove(GameObjectPtr object)
{
Portable* portable = dynamic_cast<Portable*>(object.get());
if (portable) {
portables.erase(std::find(portables.begin(), portables.end(), portable));
}
Bullet* bullet = dynamic_cast<Bullet*>(object.get());
if (bullet) {
bullets.erase(std::find(bullets.begin(), bullets.end(), bullet));
}
MovingObject* moving_object = dynamic_cast<MovingObject*>(object.get());
if (moving_object) {
moving_objects.erase(
std::find(moving_objects.begin(), moving_objects.end(), moving_object));
}
if(_current == this)
try_unexpose(object);
}
void
Sector::try_unexpose(GameObjectPtr object)
{
ScriptInterface* object_ = dynamic_cast<ScriptInterface*>(object.get());
if(object_ != NULL) {
HSQUIRRELVM vm = scripting::global_vm;
SQInteger oldtop = sq_gettop(vm);
sq_pushobject(vm, sector_table);
try {
object_->unexpose(vm, -1);
} catch(std::exception& e) {
log_warning << "Couldn't unregister object: " << e.what() << std::endl;
}
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(auto i = gameobjects.begin(); i != gameobjects.end(); ++i) {
GameObjectPtr& object = *i;
if(!object->is_valid())
continue;
if (draw_solids_only)
{
TileMap* tm = dynamic_cast<TileMap*>(object.get());
if (tm && !tm->is_solid())
continue;
}
object->draw(context);
}
if(show_collrects) {
Color color(1.0f, 0.0f, 0.0f, 0.75f);
for(auto i = moving_objects.begin(); i != moving_objects.end(); ++i) {
MovingObject* object = *i;
const Rectf& rect = object->get_bbox();
context.draw_filled_rect(rect, color, LAYER_FOREGROUND1 + 10);
}
}
context.pop_transform();
}
/*-------------------------------------------------------------------------
* Collision Detection
*-------------------------------------------------------------------------*/
/** r1 is supposed to be moving, r2 a solid object */
void check_collisions(collision::Constraints* constraints,
const Vector& obj_movement, const Rectf& obj_rect, const Rectf& other_rect,
GameObject* object = NULL, MovingObject* other = NULL, const Vector& other_movement = Vector(0,0))
{
if(!collision::intersects(obj_rect, other_rect))
return;
MovingObject *moving_object = dynamic_cast<MovingObject*> (object);
CollisionHit dummy;
if(other != NULL && !other->collides(*object, dummy))
return;
if(moving_object != NULL && !moving_object->collides(*other, dummy))
return;
// calculate intersection
float itop = obj_rect.get_bottom() - other_rect.get_top();
float ibottom = other_rect.get_bottom() - obj_rect.get_top();
float ileft = obj_rect.get_right() - other_rect.get_left();
float iright = other_rect.get_right() - obj_rect.get_left();
if(fabsf(obj_movement.y) > fabsf(obj_movement.x)) {
if(ileft < SHIFT_DELTA) {
constraints->constrain_right(other_rect.get_left(), other_movement.x);
return;
} else if(iright < SHIFT_DELTA) {
constraints->constrain_left(other_rect.get_right(), other_movement.x);
return;
}
} else {
// shiftout bottom/top
if(itop < SHIFT_DELTA) {
constraints->constrain_bottom(other_rect.get_top(), other_movement.y);
return;
} else if(ibottom < SHIFT_DELTA) {
constraints->constrain_top(other_rect.get_bottom(), other_movement.y);
return;
}
}
constraints->ground_movement += other_movement;
if(other != NULL) {
HitResponse response = other->collision(*object, dummy);
if(response == ABORT_MOVE)
return;
if(other->get_movement() != Vector(0, 0)) {
// TODO what todo when we collide with 2 moving objects?!?
constraints->ground_movement = other->get_movement();
}
}
float vert_penetration = std::min(itop, ibottom);
float horiz_penetration = std::min(ileft, iright);
if(vert_penetration < horiz_penetration) {
if(itop < ibottom) {
constraints->constrain_bottom(other_rect.get_top(), other_movement.y);
constraints->hit.bottom = true;
} else {
constraints->constrain_top(other_rect.get_bottom(), other_movement.y);
constraints->hit.top = true;
}
} else {
if(ileft < iright) {
constraints->constrain_right(other_rect.get_left(), other_movement.x);
constraints->hit.right = true;
} else {
constraints->constrain_left(other_rect.get_right(), other_movement.x);
constraints->hit.left = true;
}
}
}
void
Sector::collision_tilemap(collision::Constraints* constraints,