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/* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "common/stream.h"
#include "gob/gob.h"
#include "gob/map.h"
#include "gob/global.h"
#include "gob/goblin.h"
#include "gob/inter.h"
#include "gob/game.h"
#include "gob/script.h"
#include "gob/resources.h"
#include "gob/mult.h"
namespace Gob {
Map_v2::Map_v2(GobEngine *vm) : Map_v1(vm) {
_screenHeight = 200;
}
Map_v2::~Map_v2() {
_passMap = 0;
}
void Map_v2::loadMapObjects(const char *avjFile) {
uint8 wayPointsCount;
uint16 var;
int16 id;
int16 mapWidth, mapHeight;
int16 tmp;
byte *variables;
uint32 tmpPos;
uint32 passPos;
var = _vm->_game->_script->readVarIndex();
variables = _vm->_inter->_variables->getAddressOff8(var);
id = _vm->_game->_script->readInt16();
if (((uint16) id) >= 65520) {
switch ((uint16) id) {
case 65530:
for (int i = 0; i < _mapWidth * _mapHeight; i++)
_passMap[i] -= READ_VARO_UINT8(var + i);
break;
case 65531:
for (int i = 0; i < _mapWidth * _mapHeight; i++)
_passMap[i] += READ_VARO_UINT8(var + i);
break;
case 65532:
for (int i = 0; i < _mapWidth * _mapHeight; i++)
WRITE_VARO_UINT8(var + i, 0x00);
break;
case 65533: {
int index = READ_VARO_UINT16(var);
// _vm->_mult->_objects[index].field_6E = 0;
// _vm->_mult->_objects[index].field_6A = variables;
warning("Map_v2::loadMapObjects(): ID == 65533 (%d)", index);
break;
}
case 65534:
_tilesWidth = READ_VARO_UINT8(var);
_tilesHeight = READ_VARO_UINT8(var + 1);
_mapWidth = READ_VARO_UINT8(var + 2);
_mapHeight = READ_VARO_UINT8(var + 3);
_mapUnknownBool = READ_VARO_UINT8(var + 4) ? true : false;
if (_mapUnknownBool)
warning("Map_v2::loadMapObjects(): _mapUnknownBool == true");
break;
case 65535:
_passMap = (int8 *)_vm->_inter->_variables->getAddressOff8(var);
break;
default:
warning("Map_v2::loadMapObjects(): ID == %d", (uint16) id);
break;
}
return;
}
Resource *resource = _vm->_game->_resources->getResource(id);
if (!resource)
return;
Common::SeekableReadStream &mapData = *resource->stream();
_mapVersion = mapData.readByte();
if (_mapVersion == 4) {
_screenWidth = 640;
_screenHeight = 400;
} else if (_mapVersion == 3) {
_passWidth = 65;
_screenWidth = 640;
_screenHeight = 200;
} else {
_passWidth = 40;
_screenWidth = 320;
_screenHeight = 200;
}
_wayPointCount = mapData.readByte();
_tilesWidth = mapData.readSint16LE();
_tilesHeight = mapData.readSint16LE();
_bigTiles = !(_tilesHeight & 0xFF00);
_tilesHeight &= 0xFF;
if (_mapVersion == 4) {
_screenWidth = mapData.readSint16LE();
_screenHeight = mapData.readSint16LE();
}
_mapWidth = _screenWidth / _tilesWidth;
_mapHeight = _screenHeight / _tilesHeight;
passPos = mapData.pos();
mapData.skip(_mapWidth * _mapHeight);
if (resource->getData()[0] == 1)
wayPointsCount = _wayPointCount = 40;
else
wayPointsCount = _wayPointCount == 0 ? 1 : _wayPointCount;
delete[] _wayPoints;
_wayPoints = new WayPoint[wayPointsCount];
for (int i = 0; i < _wayPointCount; i++) {
_wayPoints[i].x = mapData.readSByte();
_wayPoints[i].y = mapData.readSByte();
_wayPoints[i].notWalkable = mapData.readSByte();
}
if (_mapVersion == 4) {
_mapWidth = VAR(17);
_passWidth = _mapWidth;
}
// In the original asm, this writes byte-wise into the variables-array
tmpPos = mapData.pos();
mapData.seek(passPos);
if ((variables != 0) &&
(variables != _vm->_inter->_variables->getAddressOff8(0))) {
_passMap = (int8 *)variables;
mapHeight = _screenHeight / _tilesHeight;
mapWidth = _screenWidth / _tilesWidth;
for (int i = 0; i < mapHeight; i++)
for (int j = 0; j < mapWidth; j++)
setPass(j, i, mapData.readSByte());
}
mapData.seek(tmpPos);
tmp = mapData.readSint16LE();
mapData.skip(tmp * 14);
tmp = mapData.readSint16LE();
mapData.skip(tmp * 14 + 28);
tmp = mapData.readSint16LE();
mapData.skip(tmp * 14);
_vm->_goblin->_gobsCount = tmp;
for (int i = 0; i < _vm->_goblin->_gobsCount; i++)
loadGoblinStates(mapData, i);
_vm->_goblin->_soundSlotsCount = _vm->_game->_script->readInt16();
for (int i = 0; i < _vm->_goblin->_soundSlotsCount; i++)
_vm->_goblin->_soundSlots[i] = _vm->_inter->loadSound(1);
delete resource;
}
void Map_v2::loadGoblinStates(Common::SeekableReadStream &data, int index) {
Mult::Mult_GobState *statesPtr;
Mult::Mult_GobState *gobState;
int8 indices[102];
uint8 statesCount;
uint8 dataCount;
int16 state;
uint32 tmpPos;
memset(indices, -1, 101);
_vm->_mult->_objects[index].goblinStates = new Mult::Mult_GobState*[101];
memset(_vm->_mult->_objects[index].goblinStates, 0,
101 * sizeof(Mult::Mult_GobState *));
data.read(indices, 100);
tmpPos = data.pos();
statesCount = 0;
for (int i = 0; i < 100; i++) {
if (indices[i] != -1) {
statesCount++;
data.skip(4);
dataCount = data.readByte();
statesCount += dataCount;
data.skip(dataCount * 9);
}
}
data.seek(tmpPos);
statesPtr = new Mult::Mult_GobState[statesCount];
_vm->_mult->_objects[index].goblinStates[0] = statesPtr;
for (int i = 0; i < 100; i++) {
state = indices[i];
if (state != -1) {
_vm->_mult->_objects[index].goblinStates[state] = statesPtr++;
gobState = _vm->_mult->_objects[index].goblinStates[state];
gobState[0].animation = data.readSint16LE();
gobState[0].layer = data.readSint16LE();
dataCount = data.readByte();
gobState[0].dataCount = dataCount;
for (uint8 j = 1; j <= dataCount; j++) {
data.skip(1);
gobState[j].sndItem = data.readSByte();
data.skip(1);
gobState[j].sndFrame = data.readByte();
data.skip(1);
gobState[j].freq = data.readSint16LE();
gobState[j].repCount = data.readSByte();
gobState[j].speaker = data.readByte();
statesPtr++;
}
}
}
}
void Map_v2::findNearestToGob(Mult::Mult_Object *obj) {
int16 wayPoint = findNearestWayPoint(obj->goblinX, obj->goblinY);
if (wayPoint != -1)
obj->nearestWayPoint = wayPoint;
}
void Map_v2::findNearestToDest(Mult::Mult_Object *obj) {
int16 wayPoint = findNearestWayPoint(obj->destX, obj->destY);
if (wayPoint != -1)
obj->nearestDest = wayPoint;
}
void Map_v2::optimizePoints(Mult::Mult_Object *obj, int16 x, int16 y) {
if (!_wayPoints)
return;
if (obj->nearestWayPoint < obj->nearestDest) {
for (int i = obj->nearestWayPoint; i <= obj->nearestDest; i++) {
if (checkDirectPath(obj, x, y, _wayPoints[i].x, _wayPoints[i].y) == 1)
obj->nearestWayPoint = i;
}
} else {
for (int i = obj->nearestWayPoint; i >= obj->nearestDest; i--) {
if (_wayPoints[i].notWalkable == 1)
break;
if (checkDirectPath(obj, x, y, _wayPoints[i].x, _wayPoints[i].y) == 1)
obj->nearestWayPoint = i;
}
}
}
} // End of namespace Gob
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