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-rw-r--r--engines/gob/map_v2.cpp111
1 files changed, 50 insertions, 61 deletions
diff --git a/engines/gob/map_v2.cpp b/engines/gob/map_v2.cpp
index 8dc541c4fd..aca3f0eae1 100644
--- a/engines/gob/map_v2.cpp
+++ b/engines/gob/map_v2.cpp
@@ -23,6 +23,7 @@
#include "common/stdafx.h"
#include "common/endian.h"
+#include "common/stream.h"
#include "gob/gob.h"
#include "gob/map.h"
@@ -53,16 +54,14 @@ void Map_v2::loadMapObjects(char *avjFile) {
int16 id;
int16 mapHeight;
int16 mapWidth;
- int16 offData;
int16 tmp;
int16 numData;
int16 statesCount;
int16 state;
char *variables;
char *extData;
- char *dataPtr;
- char *dataPtrBak;
- char *dataPtrBak2;
+ uint32 dataPos1;
+ uint32 dataPos2;
int8 statesMask[102];
Mult::Mult_GobState *statesPtr;
@@ -77,29 +76,27 @@ void Map_v2::loadMapObjects(char *avjFile) {
}
extData = _vm->_game->loadExtData(id, 0, 0);
- dataPtr = extData;
+ Common::MemoryReadStream mapData((byte *) extData, 4294967295U);
- if (*dataPtr++ == 3) {
- _vm->_map->_screenWidth = 640;
- _vm->_map->_passWidth = 65;
+ if (mapData.readByte() == 3) {
+ _screenWidth = 640;
+ _passWidth = 65;
} else {
- _vm->_map->_screenWidth = 320;
- _vm->_map->_passWidth = 40;
+ _screenWidth = 320;
+ _passWidth = 40;
}
- _wayPointsCount = *dataPtr++;
- _vm->_map->_tilesWidth = READ_LE_UINT16(dataPtr);
- dataPtr += 2;
- _vm->_map->_tilesHeight = READ_LE_UINT16(dataPtr);
- dataPtr += 2;
+ _wayPointsCount = mapData.readByte();
+ _tilesWidth = mapData.readSint16LE();
+ _tilesHeight = mapData.readSint16LE();
- _vm->_map->_bigTiles = !(_vm->_map->_tilesHeight & 0xFF00);
- _vm->_map->_tilesHeight &= 0xFF;
+ _bigTiles = !(_tilesHeight & 0xFF00);
+ _tilesHeight &= 0xFF;
- _mapWidth = _vm->_map->_screenWidth / _vm->_map->_tilesWidth;
- _mapHeight = 200 / _vm->_map->_tilesHeight;
+ _mapWidth = _screenWidth / _tilesWidth;
+ _mapHeight = 200 / _tilesHeight;
- dataPtrBak = dataPtr;
- dataPtr += _mapWidth * _mapHeight;
+ dataPos2 = mapData.pos();
+ mapData.seek(_mapWidth * _mapHeight, SEEK_CUR);
if (*extData == 1)
wayPointsCount = _wayPointsCount = 40;
@@ -107,79 +104,71 @@ void Map_v2::loadMapObjects(char *avjFile) {
wayPointsCount = _wayPointsCount == 0 ? 1 : _wayPointsCount;
_wayPoints = new Point[wayPointsCount];
- for (i = 0; i < wayPointsCount; i++) {
- _wayPoints[i].x = -1;
- _wayPoints[i].y = -1;
- _wayPoints[i].field_2 = -1;
- }
for (i = 0; i < _wayPointsCount; i++) {
- _wayPoints[i].x = *dataPtr++;
- _wayPoints[i].y = *dataPtr++;
- _wayPoints[i].field_2 = *dataPtr++;
+ _wayPoints[i].x = mapData.readSByte();
+ _wayPoints[i].y = mapData.readSByte();
+ _wayPoints[i].field_2 = mapData.readSByte();
}
// In the original asm, this writes byte-wise into the variables-array
+ dataPos1 = mapData.pos();
if (variables != _vm->_global->_inter_variables) {
_passMap = (int8 *) variables;
- mapHeight = 200 / _vm->_map->_tilesHeight;
- mapWidth = _vm->_map->_screenWidth / _vm->_map->_tilesWidth;
+ mapHeight = 200 / _tilesHeight;
+ mapWidth = _screenWidth / _tilesWidth;
for (i = 0; i < mapHeight; i++) {
- offData = (mapWidth * i);
+ mapData.seek(dataPos2 + (mapWidth * i));
for (j = 0; j < mapWidth; j++) {
- setPass(j, i, *(dataPtrBak + offData + j), _vm->_map->_passWidth);
+ setPass(j, i, mapData.readSByte());
}
}
}
+ mapData.seek(dataPos1);
- tmp = READ_LE_UINT16(dataPtr);
- dataPtr += tmp * 14 + 2;
- tmp = READ_LE_UINT16(dataPtr);
- dataPtr += tmp * 14 + 2;
- dataPtr += 28;
- tmp = READ_LE_UINT16(dataPtr);
- dataPtr += tmp * 14 + 2;
+ tmp = mapData.readSint16LE();
+ mapData.seek(tmp * 14, SEEK_CUR);
+ tmp = mapData.readSint16LE();
+ mapData.seek(tmp * 14 + 28, SEEK_CUR);
+ tmp = mapData.readSint16LE();
+ mapData.seek(tmp * 14, SEEK_CUR);
_vm->_goblin->_gobsCount = tmp;
for (i = 0; i < _vm->_goblin->_gobsCount; i++) {
memset(statesMask, -1, 101);
_vm->_mult->_objects[i].goblinStates = new Mult::Mult_GobState*[101];
memset(_vm->_mult->_objects[i].goblinStates, 0, 101 * sizeof(Mult::Mult_GobState *));
- memcpy(statesMask, dataPtr, 100);
- dataPtr += 100;
- dataPtrBak2 = dataPtr;
+ mapData.read(statesMask, 100);
+ dataPos1 = mapData.pos();
statesCount = 0;
for (j = 0; j < 100; j++) {
if (statesMask[j] != -1) {
statesCount++;
- dataPtr += 4;
- numData = *dataPtr++;
+ mapData.seek(4, SEEK_CUR);
+ numData = mapData.readByte();
statesCount += numData;
- dataPtr += numData * 9;
+ mapData.seek(numData * 9, SEEK_CUR);
}
}
statesPtr = new Mult::Mult_GobState[statesCount];
_vm->_mult->_objects[i].goblinStates[0] = statesPtr;
- dataPtr = dataPtrBak2;
+ mapData.seek(dataPos1);
for (j = 0; j < 100; j++) {
state = statesMask[j];
if (state != -1) {
_vm->_mult->_objects[i].goblinStates[state] = statesPtr++;
- _vm->_mult->_objects[i].goblinStates[state][0].animation = READ_LE_UINT16(dataPtr);
- dataPtr += 2;
- _vm->_mult->_objects[i].goblinStates[state][0].layer = READ_LE_UINT16(dataPtr);
- dataPtr += 2;
- numData = *dataPtr++;
+ _vm->_mult->_objects[i].goblinStates[state][0].animation = mapData.readSint16LE();
+ _vm->_mult->_objects[i].goblinStates[state][0].layer = mapData.readSint16LE();
+ numData = mapData.readByte();
_vm->_mult->_objects[i].goblinStates[state][0].dataCount = numData;
for (k = 1; k <= numData; k++) {
- dataPtr++;
- _vm->_mult->_objects[i].goblinStates[state][k].sndItem = *dataPtr;
- dataPtr += 2;
- _vm->_mult->_objects[i].goblinStates[state][k].sndFrame = *dataPtr;
- dataPtr += 2;
- _vm->_mult->_objects[i].goblinStates[state][k].freq = READ_LE_UINT16(dataPtr);
- dataPtr += 2;
- _vm->_mult->_objects[i].goblinStates[state][k].repCount = *dataPtr++;
- _vm->_mult->_objects[i].goblinStates[state][k].speaker = *dataPtr++;
+ mapData.seek(1, SEEK_CUR);
+ _vm->_mult->_objects[i].goblinStates[state][k].sndItem = mapData.readSByte();
+ mapData.seek(1, SEEK_CUR);
+ _vm->_mult->_objects[i].goblinStates[state][k].sndFrame = mapData.readByte();
+ mapData.seek(1, SEEK_CUR);
+ _vm->_mult->_objects[i].goblinStates[state][k].freq = mapData.readSint16LE();
+ _vm->_mult->_objects[i].goblinStates[state][k].repCount = mapData.readSByte();
+ _vm->_mult->_objects[i].goblinStates[state][k].speaker = mapData.readByte();
statesPtr++;
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-28 06:14:43 +0000