forked from KolibriOS/kolibrios
463 lines
9.5 KiB
C
Executable File
463 lines
9.5 KiB
C
Executable File
/*
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* interrpt.c
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* Copyright (C) 1998 Brainchild Design - http://brainchilddesign.com/
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*
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* Copyright (C) 2001 Chuck Mason <cemason@users.sourceforge.net>
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*
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* Copyright (C) 2002 Florian Schulze <crow@icculus.org>
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*
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* This file is part of Jump'n'Bump.
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*
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* Jump'n'Bump is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* Jump'n'Bump is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#ifndef _MSC_VER
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#include <unistd.h>
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#endif
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#include "globals.h"
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#ifdef USE_KAILLERA
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#include "SDL_thread.h"
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#include "SDL_mutex.h"
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#include <kailleraclient.h>
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char local_keyb[256];
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#endif /* USE_KAILLERA */
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char keyb[256];
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char last_keys[50];
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#ifdef USE_KAILLERA
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/* information about the party in this session */
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static int my_player = -1;
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static int my_numplayers = -1;
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/* semaphore for controlling kaillera thread */
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static SDL_sem *game_start_sem = NULL;
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/* keys supported on my end */
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static int my_player_up = -1;
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static int my_player_left = -1;
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static int my_player_right = 1;
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/* values for the kaillera client interface */
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static char kaillera_app_name[] = "Jump 'n Bump";
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static char kaillera_game_name[] = "Jump 'n Bump\0\0";
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static int player_keys[4][3] = {
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{
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KEY_PL1_LEFT,
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KEY_PL1_RIGHT,
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KEY_PL1_JUMP
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},
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{
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KEY_PL2_LEFT,
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KEY_PL2_RIGHT,
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KEY_PL2_JUMP
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},
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{
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KEY_PL3_LEFT,
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KEY_PL3_RIGHT,
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KEY_PL3_JUMP
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},
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{
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KEY_PL4_LEFT,
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KEY_PL4_RIGHT,
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KEY_PL4_JUMP
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}
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};
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static int WINAPI kaillera_game_callback(char *game, int player, int numplayers)
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{
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int length;
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int urand;
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unsigned char random[8];
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if (strcmp(game, kaillera_game_name) != 0) {
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printf("unknown game selected: %s\n", game);
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my_player = -1;
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goto release;
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}
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printf("start network game with %d players\n", numplayers);
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printf("I am player %d\n", player);
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my_player = player;
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my_numplayers = numplayers;
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my_player_up = player_keys[player-1][0] & 0xff;
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my_player_left = player_keys[player-1][1] & 0xff;
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my_player_right = player_keys[player-1][2] & 0xff;
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/* initialize randomizer agreed by all players */
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random[0] = time(0) & 0xff;
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random[1] = random[2] = random[3] = 0x00;
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length = kailleraModifyPlayValues(&random, sizeof(random[0]));
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if (length < 0) {
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goto release;
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}
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urand = random[3] << 24 | random[2] << 16 | random[1] << 8 | random[0];
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srand(urand);
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release:
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SDL_SemPost(game_start_sem);
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return 0;
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}
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static kailleraInfos kaillera_data = {
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kaillera_app_name,
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kaillera_game_name,
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kaillera_game_callback,
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NULL,
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NULL,
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NULL
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};
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static void print_version()
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{
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char version[16];
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kailleraGetVersion(version);
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printf("using kaillera version %s\n", version);
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}
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static int kaillera_thread(void *arg)
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{
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kailleraInit();
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/* print_version(); */
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kailleraSetInfos(&kaillera_data);
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kailleraSelectServerDialog(0);
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if (SDL_SemValue(game_start_sem) == 0) {
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/* server dialog returned and game didnt start */
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/* release blocking thread */
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my_player = -1;
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SDL_SemPost(game_start_sem);
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}
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return 0;
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}
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static int start_kaillera_thread(void)
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{
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SDL_Thread *thread;
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game_start_sem = SDL_CreateSemaphore(0);
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thread = SDL_CreateThread(kaillera_thread, NULL);
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if (!thread) {
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printf("SDL_CreateThread failed\n");
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return -1;
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}
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return 0;
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}
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int addkey(unsigned int key)
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{
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/* it doesnt matter if a player presses keys
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* that control other bunnies. whatever is sent
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* is packed by pack_keys()
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*/
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if (!(key & 0x8000)) {
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local_keyb[key & 0x7fff] = 1;
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} else
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local_keyb[key & 0x7fff] = 0;
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return 0;
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}
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void remove_keyb_handler(void)
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{
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kailleraShutdown();
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}
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int pack_keys(void)
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{
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int rv;
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rv = local_keyb[my_player_up];
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rv |= local_keyb[my_player_left] << 1;
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rv |= local_keyb[my_player_right] << 2;
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rv |= local_keyb[1] << 3;
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return rv;
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}
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void unpack_keys(int player, char value)
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{
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keyb[player_keys[player][0] & 0xff] = (value >> 0) & 1;
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keyb[player_keys[player][1] & 0xff] = (value >> 1) & 1;
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keyb[player_keys[player][2] & 0xff] = (value >> 2) & 1;
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/* escape key is shared among all users */
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keyb[1] |= (value >> 3) & 1;
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}
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int update_kaillera_keys(void)
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{
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char keys[8];
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int length;
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int player;
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keys[0] = pack_keys();
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length = kailleraModifyPlayValues(&keys, sizeof(keys[0]));
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if (length < 0) {
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/* terminate session */
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printf("** LOST CONNECTION **\n");
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kailleraEndGame();
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my_player = -1;
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return -1;
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}
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for (player=0; player<length; player++) {
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unpack_keys(player, keys[player]);
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}
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return 0;
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}
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int hook_keyb_handler(void)
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{
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SDL_EnableUNICODE(1);
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memset((void *) last_keys, 0, sizeof(last_keys));
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start_kaillera_thread();
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SDL_SemWait(game_start_sem);
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if (my_player < 0) {
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printf("GAME ABORTED!\n");
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return -1;
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}
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printf("GAME STARTS!\n");
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return 0;
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}
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int key_pressed(int key)
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{
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if (key == 1 && my_player < 0) {
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/* if game completed or aborted, post ESC */
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return 1;
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}
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return keyb[(unsigned char) key];
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}
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#else /* USE_KAILLERA */
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int addkey(unsigned int key)
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{
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int c1;
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if (!(key & 0x8000)) {
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keyb[key & 0x7fff] = 1;
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for (c1 = 48; c1 > 0; c1--)
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last_keys[c1] = last_keys[c1 - 1];
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last_keys[0] = key & 0x7fff;
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} else
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keyb[key & 0x7fff] = 0;
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return 0;
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}
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void remove_keyb_handler(void)
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{
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}
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int hook_keyb_handler(void)
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{
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SDL_EnableUNICODE(1);
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memset((void *) last_keys, 0, sizeof(last_keys));
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return 0;
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}
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int key_pressed(int key)
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{
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return keyb[(unsigned char) key];
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}
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#endif /* USE_KAILLERA */
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int intr_sysupdate()
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{
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SDL_Event e;
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int i = 0;
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static int last_time = 0;
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int now, time_diff;
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while (SDL_PollEvent(&e)) {
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switch (e.type) {
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case SDL_MOUSEBUTTONDOWN:
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case SDL_MOUSEBUTTONUP:
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if(e.button.state == SDL_PRESSED &&
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((key_pressed(KEY_PL3_LEFT) && e.button.button == SDL_BUTTON_RIGHT) ||
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(key_pressed(KEY_PL3_RIGHT) && e.button.button == SDL_BUTTON_LEFT) ||
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(e.button.button == SDL_BUTTON_LEFT && e.button.button == SDL_BUTTON_RIGHT) ||
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e.button.button == SDL_BUTTON_MIDDLE))
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{
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addkey(KEY_PL3_JUMP & 0x7f);
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}
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else if(e.button.state == SDL_RELEASED &&
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((key_pressed(KEY_PL3_LEFT) && e.button.button == SDL_BUTTON_RIGHT) ||
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(key_pressed(KEY_PL3_RIGHT) && e.button.button == SDL_BUTTON_LEFT) ||
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e.button.button == SDL_BUTTON_MIDDLE))
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{
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addkey((KEY_PL3_JUMP & 0x7f) | 0x8000);
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}
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if(e.button.button == SDL_BUTTON_LEFT)
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{
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SDLKey sym = KEY_PL3_LEFT;
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sym &= 0x7f;
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if(e.button.state == SDL_RELEASED)
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{
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if(key_pressed(KEY_PL3_JUMP) && (SDL_GetMouseState(NULL, NULL)&SDL_BUTTON(SDL_BUTTON_RIGHT)))
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addkey(KEY_PL3_RIGHT & 0x7f);
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else
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sym |= 0x8000;
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}
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addkey(sym);
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}
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else if(e.button.button == SDL_BUTTON_RIGHT)
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{
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SDLKey sym = KEY_PL3_RIGHT;
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sym &= 0x7f;
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if (e.button.state == SDL_RELEASED)
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{
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if(key_pressed(KEY_PL3_JUMP) && (SDL_GetMouseState(NULL, NULL)&SDL_BUTTON(SDL_BUTTON_LEFT)))
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addkey(KEY_PL3_LEFT & 0x7f);
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else
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sym |= 0x8000;
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}
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addkey(sym);
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}
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break;
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case SDL_KEYDOWN:
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case SDL_KEYUP:
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switch (e.key.keysym.sym) {
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case SDLK_F12:
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if (e.type == SDL_KEYDOWN) {
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SDL_Quit();
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exit(1);
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}
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break;
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case SDLK_F10:
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if (e.type == SDL_KEYDOWN) {
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fs_toggle();
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}
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break;
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case SDLK_1:
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if (e.type == SDL_KEYUP)
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ai[0] = !ai[0];
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/* Release keys, otherwise it will continue moving that way */
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addkey((KEY_PL1_LEFT & 0x7f) | 0x8000);
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addkey((KEY_PL1_RIGHT & 0x7f) | 0x8000);
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addkey((KEY_PL1_JUMP & 0x7f) | 0x8000);
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break;
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case SDLK_2:
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if (e.type == SDL_KEYUP)
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ai[1] = !ai[1];
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/* Release keys, otherwise it will continue moving that way */
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addkey((KEY_PL2_LEFT & 0x7f) | 0x8000);
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addkey((KEY_PL2_RIGHT & 0x7f) | 0x8000);
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addkey((KEY_PL2_JUMP & 0x7f) | 0x8000);
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break;
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case SDLK_3:
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if (e.type == SDL_KEYUP)
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ai[2] = !ai[2];
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/* Release keys, otherwise it will continue moving that way */
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addkey((KEY_PL3_LEFT & 0x7f) | 0x8000);
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addkey((KEY_PL3_RIGHT & 0x7f) | 0x8000);
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addkey((KEY_PL3_JUMP & 0x7f) | 0x8000);
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break;
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case SDLK_4:
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if (e.type == SDL_KEYUP)
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ai[3] = !ai[3];
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/* Release keys, otherwise it will continue moving that way */
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addkey((KEY_PL4_LEFT & 0x7f) | 0x8000);
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addkey((KEY_PL4_RIGHT & 0x7f) | 0x8000);
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addkey((KEY_PL4_JUMP & 0x7f) | 0x8000);
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break;
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case SDLK_ESCAPE:
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if (e.type == SDL_KEYUP)
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addkey(1 | 0x8000);
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else
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addkey(1 & 0x7f);
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break;
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default:
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e.key.keysym.sym &= 0x7f;
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if (e.type == SDL_KEYUP)
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e.key.keysym.sym |= 0x8000;
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addkey(e.key.keysym.sym);
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break;
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}
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break;
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default:
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break;
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}
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i++;
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}
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SDL_Delay(1);
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now = SDL_GetTicks();
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time_diff = now - last_time;
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if (time_diff>0) {
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i = time_diff / (1000 / 60);
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if (i) {
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last_time = now;
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} else {
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int tmp;
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tmp = (1000/60) - i - 10;
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if (tmp>0)
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SDL_Delay(tmp);
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}
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}
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/*
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if (!then)
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SDL_Delay(1);
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else {
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then = (1000 / 60) - (now - then);
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if (then > 0 && then < 1000)
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SDL_Delay(then);
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}
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then = now;
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*/
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#ifdef USE_KAILLERA
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if (my_player >= 0) {
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update_kaillera_keys();
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i=1;
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}
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#endif /* USE_KAILLERA */
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return i;
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}
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