dfhack/plugins/spectate/pause.cpp

160 lines
4.5 KiB
C++

#include "pause.h"
#include <VTableInterpose.h>
#include <df/global_objects.h>
#include <df/viewscreen_dwarfmodest.h>
#include <df/announcements.h>
#include <df/d_init.h>
#include <df/ui.h>
#include <algorithm>
using namespace DFHack;
using namespace Pausing;
using namespace df::enums;
namespace pausing {
AnnouncementLock announcementLock("monitor");
PlayerLock playerLock("monitor");
const size_t announcement_flag_arr_size = sizeof(decltype(df::announcements::flags)) / sizeof(df::announcement_flags);
bool state_saved = false; // indicates whether a restore state is ok
bool announcements_disabled = false; // indicates whether disable or restore was last enacted, could use a better name
bool saved_states[announcement_flag_arr_size]; // state to restore
bool locked_states[announcement_flag_arr_size]; // locked state (re-applied each frame)
bool allow_player_pause = true; // toggles player pause ability
using df::global::ui;
using namespace df::enums;
struct player_pause_hook : df::viewscreen_dwarfmodest {
typedef df::viewscreen_dwarfmodest interpose_base;
DEFINE_VMETHOD_INTERPOSE(void, feed, (std::set<df::interface_key>* input)) {
if ((ui->main.mode == ui_sidebar_mode::Default) && !allow_player_pause) {
input->erase(interface_key::D_PAUSE);
}
INTERPOSE_NEXT(feed)(input);
}
};
IMPLEMENT_VMETHOD_INTERPOSE(player_pause_hook, feed);
}
using namespace pausing;
std::unordered_set<Lock*> PlayerLock::locks;
std::unordered_set<Lock*> AnnouncementLock::locks;
template<typename Locks>
inline bool any_lock(Locks locks) {
return std::any_of(locks.begin(), locks.end(), [](Lock* lock) { return lock->isLocked(); });
}
template<typename Locks, typename LockT>
inline bool only_lock(Locks locks, LockT* this_lock) {
return std::all_of(locks.begin(), locks.end(), [&](Lock* lock) {
if (lock == this_lock) {
return lock->isLocked();
}
return !lock->isLocked();
});
}
template<typename Locks, typename LockT>
inline bool only_or_none_locked(Locks locks, LockT* this_lock) {
for (auto &L: locks) {
if (L == this_lock) {
continue;
}
if (L->isLocked()) {
return false;
}
}
return true;
}
bool AnnouncementLock::captureState() {
if (only_or_none_locked(locks, this)) {
for (size_t i = 0; i < announcement_flag_arr_size; ++i) {
locked_states[i] = df::global::d_init->announcements.flags[i].bits.PAUSE;
}
return true;
}
return false;
}
void AnnouncementLock::lock() {
Lock::lock();
captureState();
}
bool AnnouncementLock::isAnyLocked() const {
return any_lock(locks);
}
bool AnnouncementLock::isOnlyLocked() const {
return only_lock(locks, this);
}
bool PlayerLock::isAnyLocked() const {
return any_lock(locks);
}
bool PlayerLock::isOnlyLocked() const {
return only_lock(locks, this);
}
bool World::DisableAnnouncementPausing() {
if (!announcementLock.isAnyLocked()) {
for (auto& flag : df::global::d_init->announcements.flags) {
flag.bits.PAUSE = false;
}
announcements_disabled = true;
}
return announcements_disabled;
}
bool World::SaveAnnouncementSettings() {
if (!announcementLock.isAnyLocked()) {
for (size_t i = 0; i < announcement_flag_arr_size; ++i) {
saved_states[i] = df::global::d_init->announcements.flags[i].bits.PAUSE;
}
return true;
}
return false;
}
bool World::RestoreAnnouncementSettings() {
if (!announcementLock.isAnyLocked() && state_saved) {
for (size_t i = 0; i < announcement_flag_arr_size; ++i) {
df::global::d_init->announcements.flags[i].bits.PAUSE = saved_states[i];
}
announcements_disabled = false;
return true;
}
return false;
}
bool World::EnablePlayerPausing() {
if (!playerLock.isAnyLocked()) {
allow_player_pause = true;
}
return allow_player_pause;
}
bool World::DisablePlayerPausing() {
if (!playerLock.isAnyLocked()) {
allow_player_pause = false;
}
return !allow_player_pause;
}
void World::Update() {
static bool did_once = false;
if (!did_once) {
did_once = true;
INTERPOSE_HOOK(player_pause_hook, feed).apply();
}
if (announcementLock.isAnyLocked()) {
for (size_t i = 0; i < announcement_flag_arr_size; ++i) {
df::global::d_init->announcements.flags[i].bits.PAUSE = locked_states[i];
}
}
}