scummvm/engines/chamber/timer.cpp
2023-02-19 23:51:30 +01:00

64 lines
1.9 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/system.h"
#include "common/timer.h"
#include "chamber/chamber.h"
#include "chamber/common.h"
#include "chamber/cga.h"
#include "chamber/script.h"
#include "chamber/resdata.h"
namespace Chamber {
void animateGauss(byte *target) {
byte *sprite;
byte phase = getRand() % 4;
if (phase == script_byte_vars.gauss_phase)
phase = (phase + 1) % 4;
script_byte_vars.gauss_phase = phase;
sprite = gauss_data + 8 + phase * (8 * 30);
cga_Blit(sprite, 8, 8, 30, target, 80); /*draw to 0:4*/
}
void timerCallback(void *refCon) {
script_byte_vars.timer_ticks++;
if (!script_byte_vars.game_paused) {
if (script_byte_vars.timer_ticks % 16 == 0) {
script_word_vars.timer_ticks2 = Swap16(Swap16(script_word_vars.timer_ticks2) + 1);
#if 1
animateGauss(frontbuffer);
#endif
}
}
}
void initTimer(void) {
g_system->getTimerManager()->installTimerProc(&timerCallback, 1000000 / 16, NULL, "mainTimer");
}
void uninitTimer(void) {
g_system->getTimerManager()->removeTimerProc(&timerCallback);
}
} // End of namespace Chamber