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382 lines
11 KiB
C++
382 lines
11 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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/*
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* This code is based on the original source code of Lord Avalot d'Argent version 1.3.
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* Copyright (c) 1994-1995 Mike, Mark and Thomas Thurman.
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*/
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/* Original name: CELER The unit for updating the screen pics. */
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#include "avalanche/avalanche.h"
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#include "avalanche/background.h"
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#include "avalanche/animation.h"
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#include "avalanche/lucerna.h"
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#include "avalanche/gyro.h"
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#include "common/textconsole.h"
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namespace Avalanche {
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const int16 Background::kOnDisk = -1;
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Background::Background(AvalancheEngine *vm) {
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_vm = vm;
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_spriteNum = 0;
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}
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Background::~Background() {
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forgetBackgroundSprites();
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}
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/**
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* @remarks Originally called 'pics_link'
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*/
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void Background::updateBackgroundSprites() {
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if (_vm->_menu->isActive())
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return; // No animation when the menus are up.
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switch (_vm->_gyro->_room) {
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case kRoomOutsideArgentPub:
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if ((_vm->_gyro->_roomTime % 12) == 0)
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drawBackgroundSprite(-1, -1, (_vm->_gyro->_roomTime / 12) % 4);
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break;
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case kRoomBrummieRoad:
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if ((_vm->_gyro->_roomTime % 2) == 0)
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drawBackgroundSprite(-1, -1, (_vm->_gyro->_roomTime / 2) % 4);
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break;
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case kRoomBridge:
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if ((_vm->_gyro->_roomTime % 2) == 0)
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drawBackgroundSprite(-1, -1, 3 + (_vm->_gyro->_roomTime / 2) % 4);
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break;
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case kRoomYours:
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if ((!_vm->_gyro->_avvyIsAwake) && ((_vm->_gyro->_roomTime % 4) == 0))
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drawBackgroundSprite(-1, -1, (_vm->_gyro->_roomTime / 12) % 2);
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break;
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case kRoomArgentPub:
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if (((_vm->_gyro->_roomTime % 7) == 1) && (_vm->_gyro->_malagauche != 177)) {
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// Malagauche cycle.
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_vm->_gyro->_malagauche += 1;
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switch (_vm->_gyro->_malagauche) {
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case 1:
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case 11:
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case 21:
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drawBackgroundSprite(-1, -1, 11); // Looks forwards.
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break;
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case 8:
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case 18:
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case 28:
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case 32:
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drawBackgroundSprite(-1, -1, 10); // Looks at you.
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break;
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case 30:
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drawBackgroundSprite(-1, -1, 12); // Winks.
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break;
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case 33:
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_vm->_gyro->_malagauche = 0;
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break;
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}
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}
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switch (_vm->_gyro->_roomTime % 200) {
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case 179:
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case 197:
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drawBackgroundSprite(-1, -1, 4); // Dogfood's drinking cycle.
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break;
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case 182:
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case 194:
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drawBackgroundSprite(-1, -1, 5);
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break;
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case 185:
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drawBackgroundSprite(-1, -1, 6);
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break;
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case 199:
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_vm->_gyro->_npcFacing = 177; // Impossible value for this.
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break;
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}
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if ((_vm->_gyro->_roomTime % 200 >= 0) && (_vm->_gyro->_roomTime % 200 <= 178)) { // Normally.
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byte direction = 0;
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uint16 angle = _vm->_lucerna->bearing(1);
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if (((angle >= 1) && (angle <= 90)) || ((angle >= 358) && (angle <= 360)))
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direction = 3;
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else if ((angle >= 293) && (angle <= 357))
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direction = 2;
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else if ((angle >= 271) && (angle <= 292))
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direction = 4;
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if (direction != _vm->_gyro->_npcFacing) { // Dogfood.
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drawBackgroundSprite(-1, -1, direction - 1);
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_vm->_gyro->_npcFacing = direction;
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}
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}
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break;
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case kRoomWestHall:
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if ((_vm->_gyro->_roomTime % 3) == 0) {
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switch ((_vm->_gyro->_roomTime / int32(3)) % int32(6)) {
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case 4:
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drawBackgroundSprite(-1, -1, 0);
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break;
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case 1:
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case 3:
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case 5:
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drawBackgroundSprite(-1, -1, 1);
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break;
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case 0:
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case 2:
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drawBackgroundSprite(-1, -1, 2);
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break;
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}
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}
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break;
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case kRoomLustiesRoom:
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if (!(_vm->_gyro->_lustieIsAsleep)) {
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byte direction = 0;
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uint16 angle = _vm->_lucerna->bearing(1);
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if ((_vm->_gyro->_roomTime % 45) > 42)
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direction = 4; // du Lustie blinks.
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// Bearing of Avvy from du Lustie.
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else if ((angle <= 45) || ((angle >= 315) && (angle <= 360)))
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direction = 1; // Middle.
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else if ((angle >= 45) && (angle <= 180))
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direction = 2; // Left.
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else if ((angle >= 181) && (angle <= 314))
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direction = 3; // Right.
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if (direction != _vm->_gyro->_npcFacing) { // du Lustie.
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drawBackgroundSprite(-1, -1, direction - 1);
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_vm->_gyro->_npcFacing = direction;
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}
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}
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break;
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case kRoomAylesOffice:
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if ((!_vm->_gyro->_aylesIsAwake) && (_vm->_gyro->_roomTime % 14 == 0)) {
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switch ((_vm->_gyro->_roomTime / 14) % 2) {
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case 0:
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drawBackgroundSprite(-1, -1, 0); // Frame 2: EGA.
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break;
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case 1:
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drawBackgroundSprite(-1, -1, 2); // Frame 1: Natural.
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break;
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}
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}
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break;
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case kRoomRobins:
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if (_vm->_gyro->_tiedUp) {
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switch (_vm->_gyro->_roomTime % 54) {
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case 20:
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drawBackgroundSprite(-1, -1, 3); // Frame 4: Avalot blinks.
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break;
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case 23:
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drawBackgroundSprite(-1, -1, 1); // Frame 1: Back to normal.
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break;
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}
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}
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break;
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case kRoomNottsPub: {
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// Bearing of Avvy from Port.
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byte direction = 0;
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uint16 angle = _vm->_lucerna->bearing(4);
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if ((angle <= 45) || ((angle >= 315) && (angle <= 360)))
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direction = 2; // Middle.
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else if ((angle >= 45) && (angle <= 180))
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direction = 6; // Left.
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else if ((angle >= 181) && (angle <= 314))
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direction = 8; // Right.
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if ((_vm->_gyro->_roomTime % 60) > 57)
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direction--; // Blinks.
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if (direction != _vm->_gyro->_npcFacing) { // Port.
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drawBackgroundSprite(-1, -1, direction - 1);
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_vm->_gyro->_npcFacing = direction;
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}
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switch (_vm->_gyro->_roomTime % 50) {
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case 45 :
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drawBackgroundSprite(-1, -1, 8); // Spurge blinks.
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break;
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case 49 :
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drawBackgroundSprite(-1, -1, 9);
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break;
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}
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break;
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}
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case kRoomDucks: {
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if ((_vm->_gyro->_roomTime % 3) == 0) // The fire flickers.
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drawBackgroundSprite(-1, -1, (_vm->_gyro->_roomTime / 3) % 3);
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// Bearing of Avvy from Duck.
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byte direction = 0;
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uint16 angle = _vm->_lucerna->bearing(1);
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if ((angle <= 45) || ((angle >= 315) && (angle <= 360)))
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direction = 4; // Middle.
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else if ((angle >= 45) && (angle <= 180))
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direction = 6; // Left.
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else if ((angle >= 181) && (angle <= 314))
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direction = 8; // Right.
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if ((_vm->_gyro->_roomTime % 45) > 42)
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direction++; // Duck blinks.
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if (direction != _vm->_gyro->_npcFacing) { // Duck.
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drawBackgroundSprite(-1, -1, direction - 1);
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_vm->_gyro->_npcFacing = direction;
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}
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break;
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}
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}
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if ((_vm->_gyro->_bellsAreRinging) && (_vm->_gyro->setFlag('B'))) {
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// They're ringing the bells.
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switch (_vm->_gyro->_roomTime % 4) {
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case 1:
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if (_vm->_gyro->_nextBell < 5)
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_vm->_gyro->_nextBell = 12;
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_vm->_gyro->_nextBell--;
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// CHECKME: 2 is a guess. No length in the original?
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_vm->_sound->playNote(_vm->_gyro->kNotes[_vm->_gyro->_nextBell], 2);
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break;
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case 2:
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_vm->_sound->stopSound();
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break;
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}
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}
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}
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void Background::loadBackgroundSprites(byte number) {
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Common::File f;
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_filename = _filename.format("chunk%d.avd", number);
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if (!f.open(_filename))
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return; // We skip because some rooms don't have sprites in the background.
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f.seek(44);
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_spriteNum = f.readByte();
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for (int i = 0; i < _spriteNum; i++)
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_offsets[i] = f.readSint32LE();
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for (int i = 0; i < _spriteNum; i++) {
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f.seek(_offsets[i]);
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SpriteType sprite;
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sprite._type = PictureType(f.readByte());
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sprite._x = f.readSint16LE();
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sprite._y = f.readSint16LE();
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sprite._xl = f.readSint16LE();
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sprite._yl = f.readSint16LE();
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sprite._size = f.readSint32LE();
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bool natural = f.readByte();
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bool memorize = f.readByte();
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if (memorize) {
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_sprites[i]._x = sprite._x;
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_sprites[i]._xl = sprite._xl;
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_sprites[i]._y = sprite._y;
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_sprites[i]._yl = sprite._yl;
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_sprites[i]._type = sprite._type;
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if (natural) {
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_sprites[i]._type = kNaturalImage; // We simply read from the screen and later, in drawSprite() we draw it right back.
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_sprites[i]._size = _sprites[i]._xl * 8 * _sprites[i]._yl + 1;
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_sprites[i]._picture.create(_sprites[i]._xl * 8, _sprites[i]._yl + 1, ::Graphics::PixelFormat::createFormatCLUT8());
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for (uint16 y = 0; y < _sprites[i]._yl + 1; y++) {
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for (uint16 x = 0; x < _sprites[i]._xl * 8; x++)
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*(byte *)_sprites[i]._picture.getBasePtr(x, y) = *(byte *)_vm->_graphics->_surface.getBasePtr(_sprites[i]._x * 8 + x, _sprites[i]._y + y);
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}
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} else {
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_sprites[i]._size = sprite._size;
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_sprites[i]._picture = _vm->_graphics->loadPictureRow(f, _sprites[i]._xl * 8, _sprites[i]._yl + 1);
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}
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} else
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_sprites[i]._x = kOnDisk;
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}
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f.close();
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}
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void Background::forgetBackgroundSprites() {
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for (int i = 0; i < _spriteNum; i++) {
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if (_sprites[i]._x > kOnDisk)
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_sprites[i]._picture.free();
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}
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}
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/**
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* Draw background animation
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* @remarks Originally called 'show_one'
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*/
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void Background::drawBackgroundSprite(int16 destX, int16 destY, byte sprId) {
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if (_sprites[sprId]._x > kOnDisk) {
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if (destX < 0) {
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destX = _sprites[sprId]._x * 8;
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destY = _sprites[sprId]._y;
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}
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drawSprite(destX, destY, _sprites[sprId]);
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} else {
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Common::File f;
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if (!f.open(_filename)) // Filename was set in loadBackgroundSprites().
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return; // We skip because some rooms don't have sprites in the background.
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f.seek(_offsets[sprId]);
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SpriteType sprite;
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sprite._type = PictureType(f.readByte());
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sprite._x = f.readSint16LE();
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sprite._y = f.readSint16LE();
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sprite._xl = f.readSint16LE();
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sprite._yl = f.readSint16LE();
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sprite._size = f.readSint32LE();
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f.skip(2); // For the now not existing natural and memorize data members of the SpriteType (called chunkblocktype in the original).
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sprite._picture = _vm->_graphics->loadPictureRow(f, sprite._xl * 8, sprite._yl + 1);
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if (destX < 0) {
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destX = sprite._x * 8;
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destY = sprite._y;
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}
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drawSprite(destX, destY, sprite);
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sprite._picture.free();
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f.close();
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}
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}
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void Background::drawSprite(int16 x, int16 y, SpriteType &sprite) {
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_r._x1 = x;
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_r._y1 = y;
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_r._y2 = y + sprite._yl;
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switch (sprite._type) {
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case kNaturalImage: // Allow fallthrough on purpose.
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case kBgi:
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_r._x2 = x + sprite._xl + 1;
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break;
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case kEga:
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_r._x2 = x + sprite._xl;
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break;
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}
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// These pictures are practically parts of the background. -10 is for the drop-down menu.
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_vm->_graphics->drawPicture(_vm->_graphics->_background, sprite._picture, x, y - 10);
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}
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} // End of namespace Avalanche.
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