Files
scummvm-cursorfix/engines/qdengine/minigames/adv/EventManager.cpp
2026-02-02 04:50:13 +01:00

152 lines
4.5 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "common/debug.h"
#include "qdengine/qdengine.h"
#include "qdengine/minigames/adv/common.h"
#include "qdengine/minigames/adv/EventManager.h"
#include "qdengine/minigames/adv/RunTime.h"
#include "qdengine/minigames/adv/TextManager.h"
namespace QDEngine {
EventManager::EventPreset::EventPreset() {
score = 0;
fontID = -1;
escapeID = -1;
triggerEventID = -1;
}
EventManager::EventManager(MinigameManager *runtime) {
_runtime = runtime;
_score = 0;
char str_cache[256];
for (int idx = 0;; ++idx) {
snprintf(str_cache, 127, "register_trigger_%d", idx);
if (const char *descr = _runtime->parameter(str_cache, false))
_triggerEvents.push_back(_runtime->getObject(descr));
else
break;
}
debugC(2, kDebugMinigames, "EventManager(): registered %d trigger objects", _triggerEvents.size());
_eventPresets.resize(SYSTEM_EVENTS_SIZE);
for (int idx = 0; idx < SYSTEM_EVENTS_SIZE; ++idx) {
snprintf(str_cache, 127, "system_event_%d", idx);
if (const char * descr = _runtime->parameter(str_cache, false)) {
EventPreset preset;
int read = sscanf(descr, "%d %d", &preset.score, &preset.triggerEventID);
if (read != 2)
warning("EventManager(): Incorrect description string: %s", str_cache);
if (read == 2) {
if (preset.triggerEventID >= (int)_triggerEvents.size())
error("EventManager(): Reference to an unregistered trigger in %s", str_cache);
if (preset.triggerEventID < (int)_triggerEvents.size())
_eventPresets[idx] = preset;
}
}
}
for (int idx = 0;; ++idx) {
snprintf(str_cache, 127, "register_event_%d", idx);
if (const char * descr = _runtime->parameter(str_cache, false)) {
EventPreset preset;
int read = sscanf(descr, "%d %d %d %d", &preset.score, &preset.fontID, &preset.escapeID, &preset.triggerEventID);
if (read != 4)
warning("EventManager(): Incorrect event description string: %d", idx);
if (preset.triggerEventID >= (int)_triggerEvents.size())
error("EventManager(): Reference to an unregistered trigger in %s", str_cache);
if (read == 4 && preset.triggerEventID < (int)_triggerEvents.size())
_eventPresets.push_back(preset);
else
_eventPresets.push_back(EventPreset());
} else
break;
}
debugC(2, kDebugMinigames, "EventManager(): registered %d events", _eventPresets.size());
if (const char * data = _runtime->parameter("allow_negative", false)) {
int tmp;
sscanf(data, "%d", &tmp);
_enableNegative = tmp;
} else
_enableNegative = false;
}
void EventManager::sysEvent(int eventID) {
assert(eventID >= 0);
debugC(6, kDebugMinigames, "EventManager() System event: %d", eventID);
assert(eventID < SYSTEM_EVENTS_SIZE);
mgVect2i pos = _runtime->screenSize() / 2;
event(eventID - SYSTEM_EVENTS_SIZE, mgVect2f(pos.x, pos.y), 1);
}
void EventManager::event(int eventID, const mgVect2f& pos, int factor) {
debugC(6, kDebugMinigames, "EventManager() Event: %d, pos=(%5.1f, %5.1f), fartor=%d", eventID, pos.x, pos.y, factor);
eventID += SYSTEM_EVENTS_SIZE;
if (eventID >= (int)_eventPresets.size())
return;
const EventPreset& pr = _eventPresets[eventID];
if (pr.triggerEventID >= 0) {
assert(pr.triggerEventID < (int)_triggerEvents.size());
_triggerEvents[pr.triggerEventID]->set_state("on");
}
if (pr.score) {
int diff = addScore(pr.score);
if (pr.fontID >= 0 && pr.escapeID >= 0 && diff != 0)
_runtime->textManager().showNumber(diff, pos, pr.fontID, pr.escapeID);
}
}
int EventManager::addScore(int sc) {
int diff = _score;
_score += sc;
if (_score < 0 && !_enableNegative)
_score = 0;
diff = _score - diff;
if (diff)
_runtime->textManager().updateScore(_score);
return diff;
}
} // namespace QDEngine