153 lines
4.6 KiB
C
153 lines
4.6 KiB
C
#include <unistd.h>
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#include <signal.h>
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#include <errno.h>
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#include "compat.h"
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#include "../init/init.h"
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#include <libreborn/libreborn.h>
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#ifndef MCPI_SERVER_MODE
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#include <SDL/SDL.h>
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#include <media-layer/core.h>
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#include "../input/input.h"
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#include "../sign/sign.h"
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#include "../chat/chat.h"
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#include "../home/home.h"
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// Custom Title
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HOOK(SDL_WM_SetCaption, void, (__attribute__((unused)) const char *title, const char *icon)) {
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ensure_SDL_WM_SetCaption();
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(*real_SDL_WM_SetCaption)(GUI_TITLE, icon);
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}
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// Mouse Cursor Is Always Invisible In Vanilla MCPI
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// Because In Vanilla MCPI, The GPU Overlay Covered The Normal Mouse Cursor
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HOOK(SDL_ShowCursor, int, (int toggle)) {
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ensure_SDL_ShowCursor();
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return (*real_SDL_ShowCursor)(toggle == SDL_QUERY ? SDL_QUERY : SDL_DISABLE);
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}
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// Intercept SDL Events
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HOOK(SDL_PollEvent, int, (SDL_Event *event)) {
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// In Server Mode, Exit Requests Are Handled In src/server/server.cpp
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// Check If Exit Is Requested
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if (compat_check_exit_requested()) {
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// Send SDL_QUIT
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SDL_Event new_event;
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new_event.type = SDL_QUIT;
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SDL_PushEvent(&new_event);
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}
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// Poll Events
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ensure_SDL_PollEvent();
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int ret = (*real_SDL_PollEvent)(event);
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// Handle Events
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if (ret == 1 && event != NULL) {
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int handled = 0;
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switch (event->type) {
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case SDL_KEYDOWN: {
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// Handle Key Presses
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if (event->key.keysym.sym == SDLK_F11) {
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media_toggle_fullscreen();
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handled = 1;
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} else if (event->key.keysym.sym == SDLK_F2) {
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media_take_screenshot(home_get());
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handled = 1;
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} else if (event->key.keysym.sym == SDLK_F1) {
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input_hide_gui();
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handled = 1;
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} else if (event->key.keysym.sym == SDLK_F5) {
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input_third_person();
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handled = 1;
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} else if (event->key.keysym.sym == SDLK_t) {
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// Only When In-Game With No Other Chat Windows Open
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if (SDL_WM_GrabInput(SDL_GRAB_QUERY) == SDL_GRAB_ON && chat_get_counter() == 0) {
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// Open Chat
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chat_open();
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}
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// Mark Handled
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handled = 1;
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} else if (event->key.keysym.sym == SDLK_ESCAPE) {
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// Treat Escape As Back Button Press (This Fixes Issues With Signs)
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handled = input_back();
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} else if (event->key.keysym.sym == SDLK_q) {
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// Drop Item
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input_drop((event->key.keysym.mod & KMOD_CTRL) != 0);
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handled = 1;
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}
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break;
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}
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case SDL_MOUSEBUTTONDOWN:
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case SDL_MOUSEBUTTONUP: {
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// Track Right-Click State
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if (event->button.button == SDL_BUTTON_RIGHT) {
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input_set_is_right_click(event->button.state != SDL_RELEASED);
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} else if (event->button.button == SDL_BUTTON_LEFT) {
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input_set_is_left_click(event->button.state != SDL_RELEASED);
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}
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break;
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}
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case SDL_USEREVENT: {
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// SDL_UserEvent Is Never Used In MCPI, So It Is Repurposed For Character Events
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sign_key_press((char) event->user.code);
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handled = 1;
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break;
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}
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}
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if (handled) {
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// Event Was Handled
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return SDL_PollEvent(event);
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}
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}
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return ret;
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}
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#endif
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// Exit Handler
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static void exit_handler(__attribute__((unused)) int data) {
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// Request Exit
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compat_request_exit();
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}
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void init_compat() {
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// Install Exit Handler
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signal(SIGINT, exit_handler);
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signal(SIGTERM, exit_handler);
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}
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// Cleanup Temporary Files
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__attribute__((destructor)) static void cleanup_temporary() {
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// Cleanup Executable
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{
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const char *exe = getenv("MCPI_EXECUTABLE_PATH");
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// Check If Executable Is Temporary
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if (exe != NULL && starts_with(exe, "/tmp")) {
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// Cleanup Temporary File
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if (unlink(exe) != 0) {
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ERR("Unable To Cleanup Temporary File: %s", strerror(errno));
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}
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}
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}
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}
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// Store Exit Requests
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static int exit_requested = 0;
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int compat_check_exit_requested() {
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if (exit_requested) {
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exit_requested = 0;
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return 1;
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} else {
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return 0;
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}
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}
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void compat_request_exit() {
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// Request
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exit_requested = 1;
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}
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