/
worldmap.cpp
1168 lines (995 loc) · 32.5 KB
/
worldmap.cpp
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// SuperTux - A Jump'n Run
// Copyright (C) 2004 Ingo Ruhnke <grumbel@gmx.de>
// Copyright (C) 2006 Christoph Sommer <christoph.sommer@2006.expires.deltadevelopment.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 "worldmap/worldmap.hpp"
#include <config.h>
#include <assert.h>
#include <fstream>
#include <iostream>
#include <physfs.h>
#include <sstream>
#include <stdexcept>
#include <unistd.h>
#include <vector>
#include "audio/sound_manager.hpp"
#include "control/joystickkeyboardcontroller.hpp"
#include "gui/menu.hpp"
#include "gui/menu_manager.hpp"
#include "gui/mousecursor.hpp"
#include "lisp/lisp.hpp"
#include "lisp/list_iterator.hpp"
#include "lisp/parser.hpp"
#include "object/background.hpp"
#include "object/decal.hpp"
#include "object/tilemap.hpp"
#include "physfs/ifile_stream.hpp"
#include "scripting/squirrel_error.hpp"
#include "scripting/squirrel_util.hpp"
#include "sprite/sprite.hpp"
#include "sprite/sprite_manager.hpp"
#include "supertux/game_session.hpp"
#include "supertux/globals.hpp"
#include "supertux/screen_manager.hpp"
#include "supertux/menu/menu_storage.hpp"
#include "supertux/menu/options_menu.hpp"
#include "supertux/menu/worldmap_menu.hpp"
#include "supertux/player_status.hpp"
#include "supertux/resources.hpp"
#include "supertux/sector.hpp"
#include "supertux/shrinkfade.hpp"
#include "supertux/spawn_point.hpp"
#include "supertux/textscroller.hpp"
#include "supertux/tile_manager.hpp"
#include "supertux/tile_set.hpp"
#include "supertux/world.hpp"
#include "util/file_system.hpp"
#include "util/gettext.hpp"
#include "util/log.hpp"
#include "util/reader.hpp"
#include "video/drawing_context.hpp"
#include "video/surface.hpp"
#include "worldmap/level.hpp"
#include "worldmap/special_tile.hpp"
#include "worldmap/sprite_change.hpp"
#include "worldmap/tux.hpp"
#include "worldmap/worldmap.hpp"
static const float CAMERA_PAN_SPEED = 5.0;
namespace worldmap {
WorldMap* WorldMap::current_ = NULL;
WorldMap::WorldMap(const std::string& filename, PlayerStatus* player_status, const std::string& force_spawnpoint) :
tux(0),
player_status(player_status),
tileset(NULL),
free_tileset(false),
worldmap_menu(),
camera_offset(),
name(),
music(),
init_script(),
game_objects(),
solid_tilemaps(),
passive_message_timer(),
passive_message(),
map_filename(),
levels_path(),
special_tiles(),
levels(),
sprite_changes(),
spawn_points(),
teleporters(),
total_stats(),
worldmap_table(),
scripts(),
ambient_light( 1.0f, 1.0f, 1.0f, 1.0f ),
force_spawnpoint(force_spawnpoint),
in_level(false),
pan_pos(),
panning(false)
{
tux = new Tux(this);
add_object(tux);
name = "<no title>";
music = "music/salcon.ogg";
total_stats.reset();
worldmap_menu.reset(new WorldmapMenu());
// create a new squirrel table for the worldmap
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 worldmap_table delegate");
sq_resetobject(&worldmap_table);
if(SQ_FAILED(sq_getstackobj(global_vm, -1, &worldmap_table)))
throw scripting::SquirrelError(global_vm, "Couldn't get table from stack");
sq_addref(global_vm, &worldmap_table);
sq_pop(global_vm, 1);
sound_manager->preload("sounds/warp.wav");
// load worldmap objects
load(filename);
}
WorldMap::~WorldMap()
{
using namespace scripting;
if(free_tileset)
delete tileset;
for(GameObjects::iterator i = game_objects.begin();
i != game_objects.end(); ++i) {
GameObject* object = *i;
try_unexpose(object);
object->unref();
}
for(SpawnPoints::iterator i = spawn_points.begin();
i != spawn_points.end(); ++i) {
delete *i;
}
for(ScriptList::iterator i = scripts.begin();
i != scripts.end(); ++i) {
HSQOBJECT& object = *i;
sq_release(global_vm, &object);
}
sq_release(global_vm, &worldmap_table);
sq_collectgarbage(global_vm);
if(current_ == this)
current_ = NULL;
}
void
WorldMap::add_object(GameObject* object)
{
TileMap* tilemap = dynamic_cast<TileMap*> (object);
if(tilemap != 0 && tilemap->is_solid()) {
solid_tilemaps.push_back(tilemap);
}
object->ref();
try_expose(object);
game_objects.push_back(object);
}
void
WorldMap::try_expose(GameObject* object)
{
ScriptInterface* object_ = dynamic_cast<ScriptInterface*> (object);
if(object_ != NULL) {
HSQUIRRELVM vm = scripting::global_vm;
sq_pushobject(vm, worldmap_table);
object_->expose(vm, -1);
sq_pop(vm, 1);
}
}
void
WorldMap::try_unexpose(GameObject* object)
{
ScriptInterface* object_ = dynamic_cast<ScriptInterface*> (object);
if(object_ != NULL) {
HSQUIRRELVM vm = scripting::global_vm;
SQInteger oldtop = sq_gettop(vm);
sq_pushobject(vm, worldmap_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
WorldMap::move_to_spawnpoint(const std::string& spawnpoint, bool pan)
{
for(SpawnPoints::iterator i = spawn_points.begin(); i != spawn_points.end(); ++i) {
SpawnPoint* sp = *i;
if(sp->name == spawnpoint) {
Vector p = sp->pos;
tux->set_tile_pos(p);
tux->set_direction(sp->auto_dir);
if(pan) {
panning = true;
pan_pos = get_camera_pos_for_tux();
clamp_camera_position(pan_pos);
}
return;
}
}
log_warning << "Spawnpoint '" << spawnpoint << "' not found." << std::endl;
if (spawnpoint != "main") {
move_to_spawnpoint("main");
}
}
void
WorldMap::change(const std::string& filename, const std::string& force_spawnpoint)
{
g_screen_manager->exit_screen();
g_screen_manager->push_screen(new WorldMap(filename, player_status, force_spawnpoint));
}
void
WorldMap::load(const std::string& filename)
{
map_filename = filename;
levels_path = FileSystem::dirname(map_filename);
try {
lisp::Parser parser;
const lisp::Lisp* root = parser.parse(map_filename);
const lisp::Lisp* level = root->get_lisp("supertux-level");
if(level == NULL)
throw std::runtime_error("file isn't a supertux-level file.");
level->get("name", name);
const lisp::Lisp* sector = level->get_lisp("sector");
if(!sector)
throw std::runtime_error("No sector specified in worldmap file.");
const lisp::Lisp* tilesets_lisp = level->get_lisp("tilesets");
if(tilesets_lisp != NULL) {
tileset = tile_manager->parse_tileset_definition(*tilesets_lisp);
free_tileset = true;
}
std::string tileset_name;
if(level->get("tileset", tileset_name)) {
if(tileset != NULL) {
log_warning << "multiple tilesets specified in level" << std::endl;
} else {
tileset = tile_manager->get_tileset(tileset_name);
}
}
/* load default tileset */
if(tileset == NULL) {
tileset = tile_manager->get_tileset("images/worldmap.strf");
}
current_tileset = tileset;
lisp::ListIterator iter(sector);
while(iter.next()) {
if(iter.item() == "tilemap") {
add_object(new TileMap(*(iter.lisp())));
} else if(iter.item() == "background") {
add_object(new Background(*(iter.lisp())));
} else if(iter.item() == "music") {
iter.value()->get(music);
} else if(iter.item() == "init-script") {
iter.value()->get(init_script);
} else if(iter.item() == "worldmap-spawnpoint") {
SpawnPoint* sp = new SpawnPoint(*iter.lisp());
spawn_points.push_back(sp);
} else if(iter.item() == "level") {
LevelTile* level = new LevelTile(levels_path, *iter.lisp());
levels.push_back(level);
add_object(level);
} else if(iter.item() == "special-tile") {
SpecialTile* special_tile = new SpecialTile(*iter.lisp());
special_tiles.push_back(special_tile);
add_object(special_tile);
} else if(iter.item() == "sprite-change") {
SpriteChange* sprite_change = new SpriteChange(*iter.lisp());
sprite_changes.push_back(sprite_change);
add_object(sprite_change);
} else if(iter.item() == "teleporter") {
Teleporter* teleporter = new Teleporter(*iter.lisp());
teleporters.push_back(teleporter);
add_object(teleporter);
} else if(iter.item() == "decal") {
Decal* decal = new Decal(*iter.lisp());
add_object(decal);
} else if(iter.item() == "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 if(iter.item() == "name") {
// skip
} else {
log_warning << "Unknown token '" << iter.item() << "' in worldmap" << std::endl;
}
}
current_tileset = NULL;
if(solid_tilemaps.size() == 0)
throw std::runtime_error("No solid tilemap specified");
move_to_spawnpoint("main");
} catch(std::exception& e) {
std::stringstream msg;
msg << "Problem when parsing worldmap '" << map_filename << "': " <<
e.what();
throw std::runtime_error(msg.str());
}
}
void
WorldMap::get_level_title(LevelTile& level)
{
/** get special_tile's title */
level.title = "<no title>";
try {
lisp::Parser parser;
const lisp::Lisp* root = parser.parse(levels_path + level.get_name());
const lisp::Lisp* level_lisp = root->get_lisp("supertux-level");
if(!level_lisp)
return;
level_lisp->get("name", level.title);
} catch(std::exception& e) {
log_warning << "Problem when reading leveltitle: " << e.what() << std::endl;
return;
}
}
void WorldMap::calculate_total_stats()
{
total_stats.zero();
for(LevelTiles::iterator i = levels.begin(); i != levels.end(); ++i) {
LevelTile* level = *i;
if (level->solved) {
total_stats += level->statistics;
}
}
}
void
WorldMap::on_escape_press()
{
// Show or hide the menu
if(!MenuManager::current()) {
MenuManager::set_current(worldmap_menu.get());
tux->set_direction(D_NONE); // stop tux movement when menu is called
} else {
MenuManager::set_current(NULL);
}
}
Vector
WorldMap::get_next_tile(Vector pos, Direction direction)
{
switch(direction) {
case D_WEST:
pos.x -= 1;
break;
case D_EAST:
pos.x += 1;
break;
case D_NORTH:
pos.y -= 1;
break;
case D_SOUTH:
pos.y += 1;
break;
case D_NONE:
break;
}
return pos;
}
bool
WorldMap::path_ok(Direction direction, const Vector& old_pos, Vector* new_pos)
{
*new_pos = get_next_tile(old_pos, direction);
if (!(new_pos->x >= 0 && new_pos->x < get_width()
&& new_pos->y >= 0 && new_pos->y < get_height()))
{ // New position is outsite the tilemap
return false;
}
else
{ // Check if the tile allows us to go to new_pos
int old_tile_data = tile_data_at(old_pos);
int new_tile_data = tile_data_at(*new_pos);
switch(direction)
{
case D_WEST:
return (old_tile_data & Tile::WORLDMAP_WEST
&& new_tile_data & Tile::WORLDMAP_EAST);
case D_EAST:
return (old_tile_data & Tile::WORLDMAP_EAST
&& new_tile_data & Tile::WORLDMAP_WEST);
case D_NORTH:
return (old_tile_data & Tile::WORLDMAP_NORTH
&& new_tile_data & Tile::WORLDMAP_SOUTH);
case D_SOUTH:
return (old_tile_data & Tile::WORLDMAP_SOUTH
&& new_tile_data & Tile::WORLDMAP_NORTH);
case D_NONE:
assert(!"path_ok() can't walk if direction is NONE");
}
return false;
}
}
void
WorldMap::finished_level(Level* gamelevel)
{
// TODO use Level* parameter here?
LevelTile* level = at_level();
bool old_level_state = level->solved;
level->solved = true;
level->sprite->set_action("solved");
// deal with statistics
level->statistics.merge(gamelevel->stats);
calculate_total_stats();
if(level->statistics.completed(level->statistics)) {
level->perfect = true;
level->sprite->set_action("perfect");
}
save_state();
if (old_level_state != level->solved) {
// Try to detect the next direction to which we should walk
// FIXME: Mostly a hack
Direction dir = D_NONE;
int dirdata = available_directions_at(tux->get_tile_pos());
// first, test for crossroads
if (dirdata == Tile::WORLDMAP_CNSE ||
dirdata == Tile::WORLDMAP_CNSW ||
dirdata == Tile::WORLDMAP_CNEW ||
dirdata == Tile::WORLDMAP_CSEW ||
dirdata == Tile::WORLDMAP_CNSEW)
dir = D_NONE;
else if (dirdata & Tile::WORLDMAP_NORTH
&& tux->back_direction != D_NORTH)
dir = D_NORTH;
else if (dirdata & Tile::WORLDMAP_SOUTH
&& tux->back_direction != D_SOUTH)
dir = D_SOUTH;
else if (dirdata & Tile::WORLDMAP_EAST
&& tux->back_direction != D_EAST)
dir = D_EAST;
else if (dirdata & Tile::WORLDMAP_WEST
&& tux->back_direction != D_WEST)
dir = D_WEST;
if (dir != D_NONE) {
tux->set_direction(dir);
}
}
if (level->extro_script != "") {
try {
std::istringstream in(level->extro_script);
run_script(in, "worldmap:extro_script");
} catch(std::exception& e) {
log_warning << "Couldn't run level-extro-script: " << e.what() << std::endl;
}
}
}
Vector
WorldMap::get_camera_pos_for_tux() {
Vector camera_offset;
Vector tux_pos = tux->get_pos();
camera_offset.x = tux_pos.x - SCREEN_WIDTH/2;
camera_offset.y = tux_pos.y - SCREEN_HEIGHT/2;
return camera_offset;
}
void
WorldMap::clamp_camera_position(Vector& c) {
if (c.x < 0)
c.x = 0;
if (c.y < 0)
c.y = 0;
if (c.x > (int)get_width()*32 - SCREEN_WIDTH)
c.x = (int)get_width()*32 - SCREEN_WIDTH;
if (c.y > (int)get_height()*32 - SCREEN_HEIGHT)
c.y = (int)get_height()*32 - SCREEN_HEIGHT;
if (int(get_width()*32) < SCREEN_WIDTH)
c.x = get_width()*16.0 - SCREEN_WIDTH/2.0;
if (int(get_height()*32) < SCREEN_HEIGHT)
c.y = get_height()*16.0 - SCREEN_HEIGHT/2.0;
}
void
WorldMap::update(float delta)
{
if(!in_level) {
Menu* menu = MenuManager::current();
if(menu != NULL) {
if(menu == worldmap_menu.get()) {
switch (worldmap_menu->check())
{
case MNID_RETURNWORLDMAP: // Return to game
MenuManager::set_current(0);
break;
case MNID_QUITWORLDMAP: // Quit Worldmap
g_screen_manager->exit_screen();
break;
}
}
return;
}
// update GameObjects
for(size_t i = 0; i < game_objects.size(); ++i) {
GameObject* object = game_objects[i];
if(!panning || object != tux) {
object->update(delta);
}
}
// remove old GameObjects
for(GameObjects::iterator i = game_objects.begin();
i != game_objects.end(); ) {
GameObject* object = *i;
if(!object->is_valid()) {
try_unexpose(object);
object->unref();
i = game_objects.erase(i);
} else {
++i;
}
}
/* update solid_tilemaps list */
//FIXME: this could be more efficient
solid_tilemaps.clear();
for(std::vector<GameObject*>::iterator i = game_objects.begin();
i != game_objects.end(); ++i)
{
TileMap* tm = dynamic_cast<TileMap*>(*i);
if (!tm) continue;
if (tm->is_solid()) solid_tilemaps.push_back(tm);
}
Vector requested_pos;
// position "camera"
if(!panning) {
camera_offset = get_camera_pos_for_tux();
} else {
Vector delta = pan_pos - camera_offset;
float mag = delta.norm();
if(mag > CAMERA_PAN_SPEED) {
delta *= CAMERA_PAN_SPEED/mag;
}
camera_offset += delta;
if(camera_offset == pan_pos) {
panning = false;
}
}
requested_pos = camera_offset;
clamp_camera_position(camera_offset);
if(panning) {
if(requested_pos.x != camera_offset.x) {
pan_pos.x = camera_offset.x;
}
if(requested_pos.y != camera_offset.y) {
pan_pos.y = camera_offset.y;
}
}
// handle input
Controller *controller = g_jk_controller->get_main_controller();
bool enter_level = false;
if(controller->pressed(Controller::ACTION)
|| controller->pressed(Controller::JUMP)
|| controller->pressed(Controller::MENU_SELECT)) {
/* some people define UP and JUMP on the same key... */
if(!controller->pressed(Controller::UP))
enter_level = true;
}
if(controller->pressed(Controller::PAUSE_MENU))
on_escape_press();
// check for teleporters
Teleporter* teleporter = at_teleporter(tux->get_tile_pos());
if (teleporter && (teleporter->automatic || (enter_level && (!tux->is_moving())))) {
enter_level = false;
if (teleporter->worldmap != "") {
change(teleporter->worldmap, teleporter->spawnpoint);
} else {
// TODO: an animation, camera scrolling or a fading would be a nice touch
sound_manager->play("sounds/warp.wav");
tux->back_direction = D_NONE;
move_to_spawnpoint(teleporter->spawnpoint, true);
}
}
// check for auto-play levels
LevelTile* level = at_level();
if (level && (level->auto_play) && (!level->solved) && (!tux->is_moving())) {
enter_level = true;
}
if (enter_level && !tux->is_moving())
{
/* Check level action */
LevelTile* level = at_level();
if (!level) {
//Respawn if player on a tile with no level and nowhere to go.
int tile_data = tile_data_at(tux->get_tile_pos());
if(!( tile_data & ( Tile::WORLDMAP_NORTH | Tile::WORLDMAP_SOUTH | Tile::WORLDMAP_WEST | Tile::WORLDMAP_EAST ))){
log_warning << "Player at illegal position " << tux->get_tile_pos().x << ", " << tux->get_tile_pos().y << " respawning." << std::endl;
move_to_spawnpoint("main");
return;
}
log_warning << "No level to enter at: " << tux->get_tile_pos().x << ", " << tux->get_tile_pos().y << std::endl;
return;
}
if (level->pos == tux->get_tile_pos()) {
try {
Vector shrinkpos = Vector(level->pos.x*32 + 16 - camera_offset.x,
level->pos.y*32 + 8 - camera_offset.y);
std::string levelfile = levels_path + level->get_name();
// update state and savegame
save_state();
g_screen_manager->push_screen(new GameSession(levelfile, player_status, &level->statistics),
new ShrinkFade(shrinkpos, 1.0f));
in_level = true;
} catch(std::exception& e) {
log_fatal << "Couldn't load level: " << e.what() << std::endl;
}
}
}
else
{
// tux->set_direction(input_direction);
}
}
}
int
WorldMap::tile_data_at(Vector p)
{
int dirs = 0;
for(std::list<TileMap*>::const_iterator i = solid_tilemaps.begin(); i != solid_tilemaps.end(); i++) {
TileMap* tilemap = *i;
const Tile* tile = tilemap->get_tile((int)p.x, (int)p.y);
int dirdata = tile->getData();
dirs |= dirdata;
}
return dirs;
}
int
WorldMap::available_directions_at(Vector p)
{
return tile_data_at(p) & Tile::WORLDMAP_DIR_MASK;
}
LevelTile*
WorldMap::at_level()
{
for(LevelTiles::iterator i = levels.begin(); i != levels.end(); ++i) {
LevelTile* level = *i;
if (level->pos == tux->get_tile_pos())
return level;
}
return NULL;
}
SpecialTile*
WorldMap::at_special_tile()
{
for(SpecialTiles::iterator i = special_tiles.begin();
i != special_tiles.end(); ++i) {
SpecialTile* special_tile = *i;
if (special_tile->pos == tux->get_tile_pos())
return special_tile;
}
return NULL;
}
SpriteChange*
WorldMap::at_sprite_change(const Vector& pos)
{
for(SpriteChanges::iterator i = sprite_changes.begin();
i != sprite_changes.end(); ++i) {
SpriteChange* sprite_change = *i;
if(sprite_change->pos == pos)
return sprite_change;
}
return NULL;
}
Teleporter*
WorldMap::at_teleporter(const Vector& pos)
{
for(std::vector<Teleporter*>::iterator i = teleporters.begin(); i != teleporters.end(); ++i) {
Teleporter* teleporter = *i;
if(teleporter->pos == pos) return teleporter;
}
return NULL;
}
void
WorldMap::draw(DrawingContext& context)
{
if (int(get_width()*32) < SCREEN_WIDTH || int(get_height()*32) < SCREEN_HEIGHT)
context.draw_filled_rect(Vector(0, 0), Vector(SCREEN_WIDTH, SCREEN_HEIGHT),
Color(0.0f, 0.0f, 0.0f, 1.0f), LAYER_BACKGROUND0);
context.set_ambient_color( ambient_light );
context.push_transform();
context.set_translation(camera_offset);
for(GameObjects::iterator i = game_objects.begin();
i != game_objects.end(); ++i) {
GameObject* object = *i;
if(!panning || object != tux) {
object->draw(context);
}
}
/*
// FIXME: make this a runtime switch similar to draw_collrects/show_collrects?
// draw visual indication of possible walk directions
static int flipme = 0;
if (flipme++ & 0x04)
for (int x = 0; x < get_width(); x++) {
for (int y = 0; y < get_height(); y++) {
int data = tile_data_at(Vector(x,y));
int px = x * 32;
int py = y * 32;
const int W = 4;
if (data & Tile::WORLDMAP_NORTH) context.draw_filled_rect(Rect(px + 16-W, py , px + 16+W, py + 16-W), Color(0.2f, 0.2f, 0.2f, 0.7f), LAYER_FOREGROUND1 + 1000);
if (data & Tile::WORLDMAP_SOUTH) context.draw_filled_rect(Rect(px + 16-W, py + 16+W, px + 16+W, py + 32 ), Color(0.2f, 0.2f, 0.2f, 0.7f), LAYER_FOREGROUND1 + 1000);
if (data & Tile::WORLDMAP_EAST) context.draw_filled_rect(Rect(px + 16+W, py + 16-W, px + 32 , py + 16+W), Color(0.2f, 0.2f, 0.2f, 0.7f), LAYER_FOREGROUND1 + 1000);
if (data & Tile::WORLDMAP_WEST) context.draw_filled_rect(Rect(px , py + 16-W, px + 16-W, py + 16+W), Color(0.2f, 0.2f, 0.2f, 0.7f), LAYER_FOREGROUND1 + 1000);
if (data & Tile::WORLDMAP_DIR_MASK) context.draw_filled_rect(Rect(px + 16-W, py + 16-W, px + 16+W, py + 16+W), Color(0.2f, 0.2f, 0.2f, 0.7f), LAYER_FOREGROUND1 + 1000);
if (data & Tile::WORLDMAP_STOP) context.draw_filled_rect(Rect(px + 4 , py + 4 , px + 28 , py + 28 ), Color(0.2f, 0.2f, 0.2f, 0.7f), LAYER_FOREGROUND1 + 1000);
}
}
*/
draw_status(context);
context.pop_transform();
}
void
WorldMap::draw_status(DrawingContext& context)
{
context.push_transform();
context.set_translation(Vector(0, 0));
player_status->draw(context);
if (!tux->is_moving()) {
for(LevelTiles::iterator i = levels.begin(); i != levels.end(); ++i) {
LevelTile* level = *i;
if (level->pos == tux->get_tile_pos()) {
if(level->title == "")
get_level_title(*level);
context.draw_text(Resources::normal_font, level->title,
Vector(SCREEN_WIDTH/2,
SCREEN_HEIGHT - Resources::normal_font->get_height() - 10),
ALIGN_CENTER, LAYER_HUD, WorldMap::level_title_color);
// if level is solved, draw level picture behind stats
/*
if (level->solved) {
if (const Surface* picture = level->get_picture()) {
Vector pos = Vector(SCREEN_WIDTH - picture->get_width(), SCREEN_HEIGHT - picture->get_height());
context.push_transform();
context.set_alpha(0.5);
context.draw_surface(picture, pos, LAYER_FOREGROUND1-1);
context.pop_transform();
}
}
*/
level->statistics.draw_worldmap_info(context);
break;
}
}
for(SpecialTiles::iterator i = special_tiles.begin();
i != special_tiles.end(); ++i) {
SpecialTile* special_tile = *i;
if (special_tile->pos == tux->get_tile_pos()) {
/* Display an in-map message in the map, if any as been selected */
if(!special_tile->map_message.empty() && !special_tile->passive_message)
context.draw_text(Resources::normal_font, special_tile->map_message,
Vector(SCREEN_WIDTH/2,
SCREEN_HEIGHT - Resources::normal_font->get_height() - 60),
ALIGN_CENTER, LAYER_FOREGROUND1, WorldMap::message_color);
break;
}
}
// display teleporter messages
Teleporter* teleporter = at_teleporter(tux->get_tile_pos());
if (teleporter && (teleporter->message != "")) {
Vector pos = Vector(SCREEN_WIDTH/2, SCREEN_HEIGHT - Resources::normal_font->get_height() - 30);
context.draw_text(Resources::normal_font, teleporter->message, pos, ALIGN_CENTER, LAYER_FOREGROUND1, WorldMap::teleporter_message_color);
}
}
/* Display a passive message in the map, if needed */
if(passive_message_timer.started())
context.draw_text(Resources::normal_font, passive_message,
Vector(SCREEN_WIDTH/2, SCREEN_HEIGHT - Resources::normal_font->get_height() - 60),
ALIGN_CENTER, LAYER_FOREGROUND1, WorldMap::message_color);
context.pop_transform();
}
void
WorldMap::setup()
{
sound_manager->play_music(music);
MenuManager::set_current(NULL);
current_ = this;
load_state();
// if force_spawnpoint was set, move Tux there, then clear force_spawnpoint
if (force_spawnpoint != "") {
move_to_spawnpoint(force_spawnpoint);
force_spawnpoint = "";
}
tux->setup();
// register worldmap_table as worldmap in scripting
using namespace scripting;
sq_pushroottable(global_vm);
sq_pushstring(global_vm, "worldmap", -1);
sq_pushobject(global_vm, worldmap_table);
if(SQ_FAILED(sq_createslot(global_vm, -3)))
throw SquirrelError(global_vm, "Couldn't set worldmap in roottable");
sq_pop(global_vm, 1);
//Run default.nut just before init script
try {
IFileStream in(levels_path + "/default.nut");
run_script(in, "WorldMap::default.nut");
} catch(std::exception& ) {
// doesn't exist or erroneous; do nothing
}
if(init_script != "") {
std::istringstream in(init_script);
run_script(in, "WorldMap::init");
}
}
void
WorldMap::leave()
{
using namespace scripting;
// save state of world and player
save_state();
// remove worldmap_table from roottable
sq_pushroottable(global_vm);
sq_pushstring(global_vm, "worldmap", -1);
if(SQ_FAILED(sq_deleteslot(global_vm, -2, SQFalse)))
throw SquirrelError(global_vm, "Couldn't unset worldmap in roottable");
sq_pop(global_vm, 1);
}
void
WorldMap::save_state()
{
using namespace scripting;
HSQUIRRELVM vm = global_vm;
int oldtop = sq_gettop(vm);
try {
// get state table
sq_pushroottable(vm);
sq_pushstring(vm, "state", -1);
if(SQ_FAILED(sq_get(vm, -2)))
throw scripting::SquirrelError(vm, "Couldn't get state table");
// get or create worlds table
sq_pushstring(vm, "worlds", -1);
if(SQ_FAILED(sq_get(vm, -2))) {
sq_pushstring(vm, "worlds", -1);
sq_newtable(vm);
if(SQ_FAILED(sq_createslot(vm, -3)))
throw scripting::SquirrelError(vm, "Couldn't create state.worlds");
sq_pushstring(vm, "worlds", -1);
if(SQ_FAILED(sq_get(vm, -2)))
throw scripting::SquirrelError(vm, "Couldn't create.get state.worlds");
}
sq_pushstring(vm, map_filename.c_str(), map_filename.length());
if(SQ_FAILED(sq_deleteslot(vm, -2, SQFalse)))
sq_pop(vm, 1);
// construct new table for this worldmap
sq_pushstring(vm, map_filename.c_str(), map_filename.length());
sq_newtable(vm);
// store tux
sq_pushstring(vm, "tux", -1);
sq_newtable(vm);
store_float(vm, "x", tux->get_tile_pos().x);
store_float(vm, "y", tux->get_tile_pos().y);
store_string(vm, "back", direction_to_string(tux->back_direction));
sq_createslot(vm, -3);
// levels...
sq_pushstring(vm, "levels", -1);
sq_newtable(vm);
for(LevelTiles::iterator i = levels.begin(); i != levels.end(); ++i) {
LevelTile* level = *i;
sq_pushstring(vm, level->get_name().c_str(), -1);
sq_newtable(vm);
store_bool(vm, "solved", level->solved);
store_bool(vm, "perfect", level->perfect);
level->statistics.serialize_to_squirrel(vm);
sq_createslot(vm, -3);
}
sq_createslot(vm, -3);