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#include "GameState.hh"

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#include "Engine.hh"

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#include "Config.hh"

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{ 

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}

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void GameState::setEventHandler (GameStateEventHandler *handler) {

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    if (handler && event_handler != NULL)

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        throw Error("event_handler already set");

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    event_handler = handler;

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}

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void GameState::addProjectile (Projectile *projectile) {

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    projectiles.push_back(projectile);

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}

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LocalPlayer *GameState::getLocalPlayer (void) {

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    return local_player;

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}

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void GameState::setLocalPlayer (LocalPlayer *player) {

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    if (local_player)

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        throw std::logic_error("newLocalPlayer called even though we already have a local player");

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    local_player = player;

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}

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void GameState::addPlayer (Player *player) {

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    player_list.push_back(player);

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    if (event_handler)

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        event_handler->on_player_joined(player);

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}

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void GameState::removePlayer (Player *player) { 

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    if (player == local_player)

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        local_player = NULL;

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    player_list.remove(player);

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    if (event_handler)

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        event_handler->on_player_left(player);

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}

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void GameState::draw(Graphics *g, PixelCoordinate camera, bool displayWeapon) {

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    // Draw players

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    for (std::list<Player*>::iterator it = player_list.begin(); it != player_list.end(); it++) {

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        Player *p = *it;

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        // our LocalPlayer has it's own draw method

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        if (p == local_player)

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            local_player->draw(g, displayWeapon, camera);

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        else

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            p->draw(g, camera);

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    }

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    // Draw projectiles

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    for (std::list<Projectile*>::iterator it = projectiles.begin(); it != projectiles.end(); it++) {

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        (*it)->draw(g, camera);

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    }

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}

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