scummvm/engines/saga2/transit.cpp
2024-09-16 01:53:47 +03:00

132 lines
3.6 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
* aint32 with this program; if not, write to the Free Software
*
*
* Based on the original sources
* Faery Tale II -- The Halls of the Dead
* (c) 1993-1996 The Wyrmkeep Entertainment Co.
*/
#include "saga2/saga2.h"
#include "saga2/idtypes.h"
#include "saga2/tile.h"
#include "saga2/vpal.h"
#include "saga2/palette.h"
#include "saga2/calendar.h"
#include "saga2/modal.h"
#include "saga2/display.h"
namespace Saga2 {
/* ===================================================================== *
Prototypes
* ===================================================================== */
bool isModalMode() {
uint16 i;
bool modalFlag = false;
for (i = 0; i < GameMode::_modeStackCtr; i++) {
// go through each stacked mode
// and if modal mode is one of them,
// then set the modal flag
if (GameMode::_modeStackPtr[i] == &ModalMode) {
modalFlag = true;
}
}
return modalFlag;
}
void dayNightUpdate() {
// do nothing while in modal mode
if (isModalMode()) {
return;
}
audioEnvironmentSetDaytime(isDayTime());
uint32 lightLevel = g_vm->_calendar->lightLevel(MAX_LIGHT);
// Code to avoid unnecessary fades.
if (lightLevel != g_vm->_pal->_prevLightLevel) {
g_vm->_pal->_prevLightLevel = lightLevel;
g_vm->_pal->createPalette(
&g_vm->_pal->_newPalette,
g_vm->_pal->_midnightPalette,
g_vm->_pal->_noonPalette,
lightLevel,
MAX_LIGHT);
if (g_vm->_currentMapNum == 0)
g_vm->_pal->beginFade(&g_vm->_pal->_newPalette, 100);
}
if (!g_vm->_pal->updatePalette()) {
gPalettePtr neededPalette;
gPalette currentPalette;
neededPalette = g_vm->_currentMapNum == 0 ? &g_vm->_pal->_newPalette : g_vm->_pal->_noonPalette;
g_vm->_pal->getCurrentPalette(&currentPalette);
if (memcmp(&currentPalette, neededPalette, sizeof(gPalette)) != 0)
g_vm->_pal->setCurrentPalette(neededPalette);
}
}
void SystemEventLoop();
//-----------------------------------------------------------------------
// Fade to black
void clearTileAreaPort();
void updateMainDisplay();
void updateActiveRegions();
void fadeUp();
void fadeDown();
void displayUpdate();
void disableUserControls();
void enableUserControls();
void fadeDown() {
if (g_vm->_fadeDepth++ == 0) {
g_vm->_pal->beginFade(g_vm->_pal->_darkPalette, 20);
while (g_vm->_pal->updatePalette());
clearTileAreaPort();
blackOut();
disablePaletteChanges();
}
}
//-----------------------------------------------------------------------
// Fade to many colors
void fadeUp() {
if (--g_vm->_fadeDepth == 0) {
enableUserControls();
updateMainDisplay();
drawMainDisplay();
reDrawScreen();
enablePaletteChanges();
g_vm->_pal->beginFade(g_vm->_currentMapNum != 0 ? g_vm->_pal->_noonPalette : &g_vm->_pal->_newPalette, 20);
while (g_vm->_pal->updatePalette()) ;
}
}
} // end of namespace Saga2