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/*
* Copyright (c) 2013 The Simutrans Community
*
* This file is part of the Simutrans project under the artistic license.
* (see license.txt)
*/
#include "siminteraction.h"
#include "simversion.h"
#include "dataobj/environment.h"
#include "gui/gui_frame.h"
#include "gui/help_frame.h"
#include "network/network_cmd_ingame.h"
#include "dataobj/scenario.h"
#include "simevent.h"
#include "utils/simrandom.h"
#include "simmenu.h"
#include "player/simplay.h"
#include "simsound.h"
#include "simsys.h"
#include "simticker.h"
#include "gui/simwin.h"
#include "simworld.h"
#include "descriptor/sound_desc.h"
#include "obj/zeiger.h"
#include "display/viewport.h"
karte_ptr_t interaction_t::world;
void interaction_t::move_view( const event_t &ev )
{
koord new_ij = viewport->get_world_position();
sint16 new_xoff = viewport->get_x_off() - (ev.mx-ev.cx) * env_t::scroll_multi;
sint16 new_yoff = viewport->get_y_off() - (ev.my-ev.cy) * env_t::scroll_multi;
// this sets the new position and mark screen dirty
// => with next refresh we will be at a new location
viewport->change_world_position( new_ij, new_xoff, new_yoff );
// move the mouse pointer back to starting location => infinite mouse movement
if( (ev.mx - ev.cx) != 0 || (ev.my-ev.cy) !=0 ) {
#ifdef __BEOS__
change_drag_start(ev.mx - ev.cx, ev.my - ev.cy);
#else
move_pointer(ev.cx, ev.cy);
#endif
}
}
void interaction_t::move_cursor( const event_t &ev )
{
zeiger_t *zeiger = world->get_zeiger();
if(! zeiger ) {
// No cursor to move, exit
return;
}
static int mb_alt=0;
tool_t *tool = world->get_tool(world->get_active_player_nr());
const koord3d pos = viewport->get_new_cursor_position(scr_coord(ev.mx,ev.my), tool->is_grid_tool());
if( pos == koord3d::invalid ) {
zeiger->change_pos(pos);
return;
}
// move cursor
const koord3d prev_pos = zeiger->get_pos();
if( (prev_pos != pos || ev.button_state != mb_alt) ) {
mb_alt = ev.button_state;
zeiger->change_pos(pos);
if (!tool->move_has_effects()) {
is_dragging = false;
}
else if( !env_t::networkmode || tool->is_move_network_save(world->get_active_player())) {
tool->flags = event_get_last_control_shift() | tool_t::WFL_LOCAL;
if(tool->check_pos( world->get_active_player(), zeiger->get_pos() )==NULL) {
if( ev.button_state == 0 ) {
is_dragging = false;
}
else if(ev.ev_class==EVENT_DRAG) {
if(!is_dragging && prev_pos != koord3d::invalid && tool->check_pos( world->get_active_player(), prev_pos )==NULL) {
const char* err = world->get_scenario()->is_work_allowed_here(world->get_active_player(), tool->get_id(), tool->get_waytype(), prev_pos);
if (err == NULL) {
is_dragging = true;
}
else {
is_dragging = false;
}
}
}
if (is_dragging) {
const char* err = world->get_scenario()->is_work_allowed_here(world->get_active_player(), tool->get_id(), tool->get_waytype(), pos);
if (err == NULL) {
tool->move( world->get_active_player(), is_dragging, pos );
}
}
}
tool->flags = 0;
}
if( (ev.button_state&7)==0 ) {
// time, since mouse got here
world->set_mouse_rest_time(dr_time());
world->set_sound_wait_time(AMBIENT_SOUND_INTERVALL); // 13s no movement: play sound
}
}
}
void interaction_t::interactive_event( const event_t &ev )
{
if(ev.ev_class == EVENT_KEYBOARD) {
DBG_MESSAGE("interaction_t::interactive_event()","Keyboard event with code %d '%c'", ev.ev_code, (ev.ev_code>=32 && ev.ev_code<=126) ? ev.ev_code : '?' );
switch(ev.ev_code) {
// cursor movements
case '9':
viewport->change_world_position(viewport->get_world_position() + koord::north);
world->set_dirty();
break;
case '1':
viewport->change_world_position(viewport->get_world_position() + koord::south);
world->set_dirty();
break;
case '7':
viewport->change_world_position(viewport->get_world_position() + koord::west);
world->set_dirty();
break;
case '3':
viewport->change_world_position(viewport->get_world_position() + koord::east);
world->set_dirty();
break;
case '6':
case SIM_KEY_RIGHT:
viewport->change_world_position(viewport->get_world_position() + koord(+1,-1));
world->set_dirty();
break;
case '2':
case SIM_KEY_DOWN:
viewport->change_world_position(viewport->get_world_position() + koord(+1,+1));
world->set_dirty();
break;
case '8':
case SIM_KEY_UP:
viewport->change_world_position(viewport->get_world_position() + koord(-1,-1));
world->set_dirty();
break;
case '4':
case SIM_KEY_LEFT:
viewport->change_world_position(viewport->get_world_position() + koord(-1,+1));
world->set_dirty();
break;
// closing windows
case 27:
case 127:
// close topmost win
destroy_win( win_get_top() );
break;
case SIM_KEY_F1:
if( gui_frame_t *win = win_get_top() ) {
if( const char *helpfile = win->get_help_filename() ) {
help_frame_t::open_help_on( helpfile );
break;
}
}
world->set_tool( tool_t::dialog_tool[DIALOG_HELP], world->get_active_player() );
break;
// just ignore the key
case 0:
break;
// distinguish between backspace and ctrl-H (both keycode==8), and enter and ctrl-M (both keycode==13)
case 8:
case 13:
if( !IS_CONTROL_PRESSED(&ev) ) {
// Control is _not_ pressed => Backspace or Enter pressed.
if( ev.ev_code == 8 ) {
// Backspace
sound_play(SFX_SELECT);
destroy_all_win(false);
}
// Ignore Enter and Backspace but not Ctrl-H and Ctrl-M
break;
}
/* FALLTHROUGH */
default:
{
bool ok=false;
FOR(vector_tpl<tool_t*>, const i, tool_t::char_to_tool) {
if (i->command_key == ev.ev_code) {
world->set_tool(i, world->get_active_player());
ok = true;
break;
}
}
#ifdef STEAM_BUILT
// Block F12 from bringing up Keyboard Help (for Steam Screenshot) - but still allow F12 to be used if defined in pakset
if (ev.ev_code==SIM_KEY_F12) {
ok=true;
}
#endif
if(!ok) {
help_frame_t::open_help_on( "keys.txt" );
}
}
break;
}
}
if( IS_LEFTRELEASE(&ev) && ev.my < display_get_height() -16 -(TICKER_HEIGHT*ticker::empty()) ) {
DBG_MESSAGE("interaction_t::interactive_event(event_t &ev)", "calling a tool");
koord3d pos = world->get_zeiger()->get_pos();
if(world->is_within_grid_limits(pos.get_2d())) {
bool suspended = false; // true if execution was suspended, i.e. sent to server
tool_t *tool = world->get_tool(world->get_active_player_nr());
player_t *player = world->get_active_player();
// first check for visibility etc
const char *err = tool->check_pos( player, pos );
if (err==NULL) {
tool->flags = event_get_last_control_shift();
err = world->call_work(tool, player, pos, suspended);
}
if (!suspended) {
// play sound / error message
world->get_active_player()->tell_tool_result(tool, pos, err);
// Check if we need to update pointer(zeiger) position.
if( err == NULL && tool->update_pos_after_use() ) {
// Cursor might need movement (screen has changed, we get a new one under the mouse pointer)
const koord3d pos_new = viewport->get_new_cursor_position(scr_coord(ev.mx,ev.my), tool->is_grid_tool());
world->get_zeiger()->set_pos(pos_new);
}
}
tool->flags = 0;
}
}
// mouse wheel scrolled -> rezoom
if (ev.ev_class == EVENT_CLICK) {
// first, we need to check cursor is valid, won't zoom otherwise
const koord3d cursor_pos = world->get_zeiger()->get_pos();
if( cursor_pos == koord3d::invalid) {
//ignore event
return;
}
bool zoom_successful = false;
// store old screen position of centered tile
scr_coord s = viewport->get_screen_coord(cursor_pos, koord(0,0));
if(ev.ev_code==MOUSE_WHEELUP) {
if(win_change_zoom_factor(true)) {
zoom_successful = true;
}
}
else if(ev.ev_code==MOUSE_WHEELDOWN) {
if(win_change_zoom_factor(false)) {
zoom_successful = true;
}
}
// zoom can fail if we are max zoomed in/out, so:
if (zoom_successful) {
// calculate offsets such that tile under cursor is still on the same screen position
viewport->change_world_position(cursor_pos, koord(0,0), s);
//and move cursor to the new position under the mouse
move_cursor(ev);
world->set_dirty();
}
}
}
bool interaction_t::process_event( event_t &ev )
{
if(ev.ev_class==EVENT_SYSTEM && ev.ev_code==SYSTEM_QUIT) {
// quit the program if this window is closed
env_t::quit_simutrans = true;
// we may be requested to save the game before exit
if( env_t::server && env_t::server_save_game_on_quit ) {
// to ensure only one attempt is made
env_t::server_save_game_on_quit = false;
// following code quite similar to nwc_sync_t::do_coomand
dr_chdir( env_t::user_dir );
// first save password hashes
char fn[256];
sprintf( fn, "server%d-pwdhash.sve", env_t::server );
loadsave_t file;
if(file.wr_open(fn, loadsave_t::zipped, "hashes", SAVEGAME_VER_NR )) {
world->rdwr_player_password_hashes( &file );
file.close();
}
// remove passwords before transfer on the server and set default client mask
// they will be restored in karte_t::laden
uint16 unlocked_players = 0;
for( int i=0; i<PLAYER_UNOWNED; i++ ) {
player_t *player = world->get_player(i);
if( player==NULL || player->access_password_hash().empty() ) {
unlocked_players |= (1<<i);
}
else {
player->access_password_hash().clear();
}
}
// save game
sprintf( fn, "server%d-restore.sve", env_t::server );
bool old_restore_UI = env_t::restore_UI;
env_t::restore_UI = true;
world->save( fn, loadsave_t::save_mode, SAVEGAME_VER_NR, false );
env_t::restore_UI = old_restore_UI;
}
else if( env_t::reload_and_save_on_quit && !env_t::networkmode ) {
// save current game, if not online
bool old_restore_UI = env_t::restore_UI;
env_t::restore_UI = true;
// construct from pak name an autosave if requested
std::string pak_name( "autosave-" );
pak_name.append( env_t::objfilename );
pak_name.erase( pak_name.length()-1 );
pak_name.append( ".sve" );
world->save( pak_name.c_str(), loadsave_t::autosave_mode, SAVEGAME_VER_NR, false );
env_t::restore_UI = old_restore_UI;
}
destroy_all_win(true);
return true;
}
if(ev.ev_class==IGNORE_EVENT) {
// ignore it
return false;
}
DBG_DEBUG4("interaction_t::process_event", "calling check_pos_win");
if(check_pos_win(&ev)){
// The event is shallowed by the GUI, next.
return false;
}
DBG_DEBUG4("interaction_t::process_event", "after check_pos_win");
// Handle map drag with right-click
static bool left_drag = false;
if(IS_RIGHTCLICK(&ev)) {
display_show_pointer(false);
}
else if(IS_RIGHTRELEASE(&ev)) {
display_show_pointer(true);
}
else if(IS_RIGHTDRAG(&ev)) {
// unset following
world->get_viewport()->set_follow_convoi( convoihandle_t() );
move_view(ev);
}
else if( (left_drag || world->get_tool(world->get_active_player_nr())->get_id() == (TOOL_QUERY | GENERAL_TOOL)) && IS_LEFTDRAG(&ev) ) {
/* ok, we have the query tool selected, and we have a left drag or left release event with an actual difference
* => move the map */
if( !left_drag ) {
display_show_pointer(false);
left_drag = true;
}
world->get_viewport()->set_follow_convoi( convoihandle_t() );
move_view(ev);
ev.ev_code = EVENT_NONE;
}
if( IS_LEFTRELEASE(&ev) && left_drag ) {
// show the mouse and swallow this event if we were dragging before
ev.ev_code = EVENT_NONE;
display_show_pointer(true);
left_drag = false;
}
DBG_DEBUG4("interaction_t::process_event", "check if cursor needs movement");
if( (ev.ev_class==EVENT_DRAG && ev.ev_code==MOUSE_LEFTBUTTON) || (ev.button_state==0 && ev.ev_class==EVENT_MOVE) || ev.ev_class==EVENT_RELEASE) {
move_cursor(ev);
}
DBG_DEBUG4("interaction_t::process_event", "calling interactive_event");
interactive_event(ev);
DBG_DEBUG4("interaction_t::process_event", "end of event handling");
return false;
}
void interaction_t::check_events()
{
event_t ev;
if( env_t::networkmode ) {
set_random_mode( INTERACTIVE_RANDOM );
}
win_poll_event(&ev);
while ( ev.ev_class != EVENT_NONE ) {
DBG_DEBUG4("interaction_t::check_events", "called win_poll_event");
if (process_event(ev)) {
// We have been asked to stop processing, exit.
return;
}
win_poll_event(&ev);
}
if( env_t::networkmode ) {
clear_random_mode( INTERACTIVE_RANDOM );
}
}
interaction_t::interaction_t()
{
viewport = world->get_viewport();
is_dragging = false;
// Requires a world with a view already attached!
assert(viewport);
}
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