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object.cpp
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object.cpp
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/*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "object.h"
#include "conversation.h"
#include "unity.h"
#include "sprite_player.h"
#include "trigger.h"
#include "sound.h"
#include "graphics.h"
#include "common/stream.h"
#include "common/textconsole.h"
namespace Unity {
#define VERIFY_LENGTH(x) do { uint16 block_length = objstream->readUint16LE(); assert(block_length == x); } while (0)
objectID readObjectID(Common::SeekableReadStream *stream) {
objectID r;
stream->read(&r, 4);
assert(r.unused == 0 || r.unused == 0xff);
return r;
}
objectID readObjectIDBE(Common::SeekableReadStream *stream) {
objectID r;
stream->read(&r.unused, 1);
stream->read(&r.world, 1);
stream->read(&r.screen, 1);
stream->read(&r.id, 1);
assert(r.unused == 0 || r.unused == 0xff);
return r;
}
Object::Object(UnityEngine *p) : _vm(p) {
sprite = 0;
flags = 0;
timer = 0;
}
Object::~Object() {
delete sprite;
}
// TODO: these are 'sanity checks' for verifying global state
bool g_debug_loading_object = false;
objectID g_debug_object_id;
extern unsigned int g_debug_conv_response, g_debug_conv_state;
Common::String Object::identify() {
return Common::String::format("%s (%02x%02x%02x)", name.c_str(), id.world, id.screen, id.id);
}
void Object::loadObject(unsigned int for_world, unsigned int for_screen, unsigned int for_id) {
Common::String filename = Common::String::format("o_%02x%02x%02x.bst", for_world, for_screen, for_id);
Common::SeekableReadStream *objstream = _vm->data.openFile(filename);
int type = readBlockHeader(objstream);
if (type != BLOCK_OBJ_HEADER)
error("bad block type %x encountered at start of object", type);
VERIFY_LENGTH(0x128);
id = readObjectID(objstream);
assert(id.id == for_id);
assert(id.screen == for_screen);
assert(id.world == for_world);
curr_screen = objstream->readByte();
byte unknown3 = objstream->readByte(); // XXX: unused?
debug(2, "unknown3:%d", unknown3);
width = objstream->readSint16LE();
height = objstream->readSint16LE();
x = objstream->readSint16LE();
y = objstream->readSint16LE();
z = objstream->readSint16LE();
universe_x = objstream->readSint16LE();
universe_y = objstream->readSint16LE();
universe_z = objstream->readSint16LE();
// TODO: this doesn't work properly (see DrawOrderComparison)
y_adjust = objstream->readSint16LE();
anim_index = objstream->readUint16LE();
sprite_id = objstream->readUint16LE();
sprite = NULL;
region_id = objstream->readUint32LE();
flags = objstream->readByte();
state = objstream->readByte();
uint8 use_count = objstream->readByte();
uint8 get_count = objstream->readByte();
uint8 look_count = objstream->readByte();
uint8 unknown11 = objstream->readByte(); // XXX
assert(unknown11 == 0);
objwalktype = objstream->readByte();
assert(objwalktype <= OBJWALKTYPE_AS);
uint8 description_count = objstream->readByte();
char _name[20];
objstream->read(_name, 20);
name = _name;
// pointers for DESCRIPTION, USE, LOOK, WALK and TIME,
// which we probably don't care about?
for (unsigned int i = 0; i < 5; i++) {
uint16 unknowna = objstream->readUint16LE();
byte unknownb = objstream->readByte();
byte unknownc = objstream->readByte();
if (i == 0) {
// but we do want to snaffle this, lurking in the middle
transition = readObjectID(objstream);
}
debug(2, "unknown(a:%d, b:%d, c:%d)", unknowna, unknownb, unknownc);
}
skills = objstream->readUint16LE();
timer = objstream->readUint16LE();
char _str[101];
objstream->read(_str, 100);
_str[100] = 0;
setTalkString(_str);
uint16 unknown19 = objstream->readUint16LE(); // XXX
assert(unknown19 == 0x0);
uint16 unknown20 = objstream->readUint16LE(); // XXX
assert(unknown20 == 0x0);
uint16 zero16 = objstream->readUint16LE();
assert(zero16 == 0x0);
uint16 unknown21 = objstream->readUint16LE(); // XXX: unused?
debug(2, "unknown21: %d", unknown21);
voice_id = objstream->readUint32LE();
voice_group = objstream->readUint32LE();
voice_subgroup = objstream->readUint16LE();
cursor_id = objstream->readByte();
cursor_flag = objstream->readByte();
byte unknown26 = objstream->readByte(); // XXX
debug(2, "unknown26: %d", unknown26);
byte unknown27 = objstream->readByte(); // XXX
debug(2, "unknown27: %d", unknown27);
zero16 = objstream->readUint16LE();
assert(zero16 == 0x0);
for (unsigned int i = 0; i < 21; i++) {
uint32 padding = objstream->readUint32LE();
assert(padding == 0x0);
}
int blockType;
while ((blockType = readBlockHeader(objstream)) != -1) {
g_debug_object_id = id;
g_debug_loading_object = true;
readBlock(blockType, objstream);
g_debug_loading_object = false;
}
assert(descriptions.size() == description_count);
assert(use_entries.list.size() == use_count);
assert(get_entries.list.size() == get_count);
assert(look_entries.list.size() == look_count);
assert(timer_entries.list.size() <= 1); // timers can only have one result
delete objstream;
}
void Object::loadSprite() {
if (sprite) return;
if (sprite_id == 0xffff || sprite_id == 0xfffe) return;
Common::String sprfilename = _vm->data.getSpriteFilename(sprite_id);
sprite = new SpritePlayer(sprfilename.c_str(), this, _vm);
sprite->startAnim(0); // XXX
}
int readBlockHeader(Common::SeekableReadStream *objstream) {
byte type = objstream->readByte();
if (objstream->eos()) return -1;
byte header = objstream->readByte();
assert(header == 0x11);
return type;
}
void Object::readBlock(int type, Common::SeekableReadStream *objstream) {
switch (type) {
case BLOCK_DESCRIPTION:
// technically these are always first, but we'll be forgiving
readDescriptions(objstream);
break;
case BLOCK_USE_ENTRIES:
use_entries.readEntryList(objstream);
break;
case BLOCK_GET_ENTRIES:
get_entries.readEntryList(objstream);
break;
case BLOCK_LOOK_ENTRIES:
look_entries.readEntryList(objstream);
break;
case BLOCK_TIMER_ENTRIES:
timer_entries.readEntryList(objstream);
break;
default:
// either an invalid block type, or it shouldn't be here
error("bad block type %x encountered while parsing object", type);
}
}
void EntryList::readEntryList(Common::SeekableReadStream *objstream) {
byte num_entries = objstream->readByte();
for (unsigned int i = 0; i < num_entries; i++) {
int type = readBlockHeader(objstream);
if (type != BLOCK_BEGIN_ENTRY)
error("bad block type %x encountered while parsing entry", type);
VERIFY_LENGTH(0xae);
uint16 header = objstream->readUint16LE();
assert(header == 9);
// XXX: seeking over important data!
// this seems to be offsets etc, unimportant?
objstream->seek(0xac, SEEK_CUR);
// XXX: horrible
list.push_back(new Common::Array<Entry *>());
while (true) {
type = readBlockHeader(objstream);
if (type == BLOCK_END_ENTRY)
break;
readEntry(type, objstream);
}
}
}
void Entry::readHeaderFrom(Common::SeekableReadStream *stream, byte header_type) {
// in objects: this is the object id
// in states: 'id' is the state id, the rest are zero?
internal_obj.id = stream->readByte();
internal_obj.screen = stream->readByte();
internal_obj.world = stream->readByte();
if (g_debug_loading_object) {
assert(internal_obj.id == g_debug_object_id.id);
assert(internal_obj.screen == g_debug_object_id.screen);
assert(internal_obj.world == g_debug_object_id.world);
} else {
assert(internal_obj.id == g_debug_conv_state);
assert(internal_obj.screen == 0);
assert(internal_obj.world == 0);
}
// counters for offset within parent blocks (inner/outer)
// TODO: add g_debug checks for these
counter1 = stream->readByte();
counter2 = stream->readByte();
counter3 = stream->readByte();
counter4 = stream->readByte();
// misc header stuff
byte h_type = stream->readByte();
assert(h_type == header_type);
stop_here = stream->readByte();
assert(stop_here == 0 || stop_here == 1 || stop_here == 0xff);
// the state/response of this conversation block?, or 0xffff in an object
response_counter = stream->readUint16LE();
state_counter = stream->readUint16LE();
if (g_debug_loading_object) {
assert(response_counter == 0xffff);
assert(state_counter == 0xffff);
} else {
assert(response_counter == g_debug_conv_response);
assert(state_counter == g_debug_conv_state);
}
}
bool valid_world_id(uint16 world_id) {
return world_id == 0x5f || world_id == 0x10 || world_id == 0 || (world_id >= 2 && world_id <= 7);
}
void ConditionBlock::readFrom(Common::SeekableReadStream *objstream) {
readHeaderFrom(objstream, 0xff);
// target
target = readObjectID(objstream);
assert(target.world == 0xff || valid_world_id(target.world));
// WhoCan?
WhoCan = readObjectID(objstream);
assert(WhoCan.world == 0xff || valid_world_id(WhoCan.world));
for (unsigned int i = 0; i < 4; i++) {
condition[i] = readObjectID(objstream);
assert(condition[i].world == 0xff || valid_world_id(condition[i].world));
check_x[i] = objstream->readUint16LE();
check_y[i] = objstream->readUint16LE();
check_unknown[i] = objstream->readUint16LE(); // unused check_z?
check_univ_x[i] = objstream->readUint16LE();
check_univ_y[i] = objstream->readUint16LE();
check_univ_z[i] = objstream->readUint16LE();
check_screen[i] = objstream->readByte();
check_status[i] = objstream->readByte();
check_state[i] = objstream->readByte();
switch (i) {
case 0:
case 1:
assert(check_univ_x[i] == 0xffff);
assert(check_univ_y[i] == 0xffff);
assert(check_univ_z[i] == 0xffff);
break;
case 2:
case 3:
assert(check_x[i] == 0xffff);
assert(check_y[i] == 0xffff);
assert(check_unknown[i] == 0xffff);
assert(check_univ_x[i] == 0xffff);
assert(check_univ_y[i] == 0xffff);
assert(check_univ_z[i] == 0xffff);
break;
}
}
uint16 unknown1 = objstream->readUint16LE();
assert(unknown1 == 0xffff);
uint16 unknown2 = objstream->readUint16LE();
assert(unknown2 == 0xffff);
uint16 unknown3 = objstream->readUint16LE();
assert(unknown3 == 0xffff);
how_close_x = objstream->readUint16LE();
how_close_y = objstream->readUint16LE();
uint16 unknown4 = objstream->readUint16LE();
assert(unknown4 == 0xffff);
how_close_dist = objstream->readUint16LE();
// TODO: zero skill check becomes -1 at load
skill_check = objstream->readUint16LE();
counter_value = objstream->readUint16LE();
counter_when = objstream->readByte();
for (unsigned int i = 0; i < 25; i++) {
uint32 zero = objstream->readUint32LE();
assert(zero == 0);
}
}
void AlterBlock::readFrom(Common::SeekableReadStream *objstream) {
readHeaderFrom(objstream, 0x43);
target = readObjectID(objstream);
alter_flags = objstream->readByte();
alter_reset = objstream->readByte();
alter_timer = objstream->readUint16LE(); // set timer..
uint16 unknown16 = objstream->readUint16LE();
assert(unknown16 == 0xffff);
alter_anim = objstream->readUint16LE();
alter_state = objstream->readByte();
play_description = objstream->readByte();
x_pos = objstream->readUint16LE();
y_pos = objstream->readUint16LE();
// z_pos?
unknown8 = objstream->readUint16LE();
// these are always 0xffff inside objects..
universe_x = objstream->readUint16LE();
universe_y = objstream->readUint16LE();
universe_z = objstream->readUint16LE();
char text[101];
objstream->read(text, 20);
text[20] = 0;
alter_name = text;
objstream->read(text, 100);
text[100] = 0;
alter_hail = text;
uint32 unknown32 = objstream->readUint32LE();
assert(unknown32 == 0xffffffff);
voice_id = objstream->readUint32LE();
voice_group = objstream->readUint32LE();
voice_subgroup = objstream->readUint16LE();
// the voice_subgroup is not always changed..
assert(voice_group != 0xffffffff || voice_subgroup == 0xffff);
// .. neither is the voice_id
assert(voice_group != 0xffffffff || voice_id == 0xffffffff);
// talk begin/end stuff??
unknown11 = objstream->readByte();
unknown12 = objstream->readByte();
// random checks
assert(unknown11 == 0xff || unknown11 == 0 || unknown11 == 1 || unknown11 == 2 || unknown11 == 3);
assert(unknown12 == 0xff || unknown12 == 0 || unknown12 == 1);
// zeros
for (unsigned int i = 0; i < 21; i++) {
unknown32 = objstream->readUint32LE();
assert(unknown32 == 0);
}
}
void ReactionBlock::readFrom(Common::SeekableReadStream *objstream) {
readHeaderFrom(objstream, 0x44);
target = readObjectID(objstream);
dest_world = objstream->readUint16LE();
dest_screen = objstream->readUint16LE();
dest_entrance = objstream->readUint16LE();
target_type = objstream->readByte();
action_type = objstream->readByte();
damage_amount = objstream->readByte();
beam_type = objstream->readByte();
dest_x = objstream->readUint16LE();
dest_y = objstream->readUint16LE();
dest_unknown = objstream->readUint16LE();
assert(target_type >= 1 && target_type <= 7);
if (target_type != 6) {
assert(target.id == 0xff);
} else {
assert(target.id != 0xff);
}
if (damage_amount == 0) {
assert(action_type <= 3);
// otherwise it can be 0, 1 or ff, but afaik just junk
}
for (unsigned int i = 0; i < 100; i++) {
byte unknown = objstream->readByte();
assert(unknown == 0);
}
}
void CommandBlock::readFrom(Common::SeekableReadStream *objstream) {
readHeaderFrom(objstream, 0x45);
target[0] = readObjectID(objstream);
target[1] = readObjectID(objstream);
target[2] = readObjectID(objstream);
// both usually 0xffff
target_x = objstream->readUint16LE();
target_y = objstream->readUint16LE();
command_id = objstream->readUint32LE();
assert(command_id >= 2 && command_id <= 6);
for (unsigned int i = 0; i < 97; i++) {
byte unknown = objstream->readByte();
assert(unknown == 0);
}
}
void ScreenBlock::readFrom(Common::SeekableReadStream *objstream) {
readHeaderFrom(objstream, 0x46);
new_screen = objstream->readByte();
new_entrance = objstream->readByte();
advice_screen = objstream->readByte();
new_advice_id = objstream->readUint16LE();
new_world = objstream->readUint16LE();
unknown6 = objstream->readUint16LE();
unknown7 = objstream->readUint32LE();
unknown8 = objstream->readByte();
unknown9 = objstream->readUint32LE();
unknown10 = objstream->readUint32LE();
unknown11 = objstream->readUint16LE();
assert(unknown11 == 0xffff);
unknown12 = objstream->readUint16LE();
assert(unknown12 == 0xffff);
unknown13 = objstream->readUint16LE();
unknown14 = objstream->readByte();
unknown15 = objstream->readByte();
unknown16 = objstream->readByte();
new_advice_timer = objstream->readUint16LE();
for (unsigned int i = 0; i < 24; i++) {
uint32 zero = objstream->readUint32LE();
assert(zero == 0);
}
}
void PathBlock::readFrom(Common::SeekableReadStream *objstream) {
readHeaderFrom(objstream, 0x47);
objstream->seek(0x16c, SEEK_CUR); // XXX
}
void GeneralBlock::readFrom(Common::SeekableReadStream *objstream) {
readHeaderFrom(objstream, 0x48);
movie_id = objstream->readUint16LE();
unknown1 = objstream->readUint16LE(); // XXX
unknown2 = objstream->readUint16LE(); // XXX
unknown3 = objstream->readUint16LE(); // XXX
for (unsigned int i = 0; i < 0x64; i++) {
byte zero = objstream->readByte();
assert(zero == 0);
}
}
void ConversationBlock::readFrom(Common::SeekableReadStream *objstream) {
readHeaderFrom(objstream, 0x49);
world_id = objstream->readUint16LE();
assert(world_id == 0xffff || valid_world_id(world_id));
conversation_id = objstream->readUint16LE();
response_id = objstream->readUint16LE();
state_id = objstream->readUint16LE();
action_id = objstream->readUint16LE();
assert(action_id == RESPONSE_ENABLED || action_id == RESPONSE_DISABLED ||
action_id == RESPONSE_UNKNOWN1);
for (unsigned int i = 0; i < 0x63; i++) {
byte zero = objstream->readByte();
assert(zero == 0);
}
}
void BeamBlock::readFrom(Common::SeekableReadStream *objstream) {
readHeaderFrom(objstream, 0x4a);
// world id, or 00 to kill?
world_id = objstream->readUint16LE();
// unused?
unknown1 = objstream->readUint16LE();
assert(unknown1 == 0xffff || unknown1 == 1 || unknown1 == 4);
uint16 unknown2 = objstream->readUint16LE();
assert(unknown2 == 0xffff);
unknown2 = objstream->readUint16LE();
assert(unknown2 == 0xffff);
unknown2 = objstream->readUint16LE();
assert(unknown2 == 0xffff);
// unused?
unknown3 = objstream->readUint16LE();
assert(unknown3 == 0 || unknown3 == 0xffff);
unknown2 = objstream->readUint16LE();
assert(unknown2 == 0xffff);
unknown2 = objstream->readUint16LE();
assert(unknown2 == 0xffff);
unknown2 = objstream->readUint16LE();
assert(unknown2 == 0xffff);
screen_id = objstream->readUint16LE();
assert(screen_id <= 4 || screen_id == 0xffff);
// from here this is all unused junk, i think
uint16 unknown5 = objstream->readUint16LE();
uint16 unknown6 = objstream->readUint16LE();
assert(unknown5 == 0xffff || unknown5 == 0 || unknown5 == 0x60);
assert(unknown6 == 0xffff || unknown6 == 0x20 || unknown6 == 0x1b);
for (unsigned int i = 0; i < 3; i++) {
unknown2 = objstream->readUint16LE();
assert(unknown2 == 0x0);
uint32 unknown32 = objstream->readUint32LE();
assert(unknown32 == 0xffffffff);
}
for (unsigned int i = 0; i < 51; i++) {
unknown2 = objstream->readUint16LE();
assert(unknown2 == 0x0);
}
}
void TriggerBlock::readFrom(Common::SeekableReadStream *objstream) {
readHeaderFrom(objstream, 0x4b);
trigger_id = objstream->readUint32LE();
byte flag = objstream->readByte();
enable_trigger = (flag == 1);
for (unsigned int i = 0; i < 25; i++) {
uint32 unknown32 = objstream->readUint32LE();
assert(unknown32 == 0);
}
}
void CommunicateBlock::readFrom(Common::SeekableReadStream *objstream) {
readHeaderFrom(objstream, 0x4c);
target = readObjectID(objstream);
if (target.id == 0xff) {
assert(target.screen == 0xff);
assert(target.world == 0xff);
assert(target.unused == 0xff);
}
conversation_id = objstream->readUint16LE();
situation_id = objstream->readUint16LE();
hail_type = objstream->readByte();
assert(hail_type <= 0x10);
for (unsigned int i = 0; i < 25; i++) {
uint32 unknown32 = objstream->readUint32LE();
assert(unknown32 == 0);
}
}
void ChoiceBlock::readFrom(Common::SeekableReadStream *objstream) {
readHeaderFrom(objstream, 0x4d);
// TODO: x/y?
_unknown1 = objstream->readUint16LE();
_unknown2 = objstream->readUint16LE();
char buffer[101];
buffer[100] = 0;
objstream->read(buffer, 100);
_questionstring = buffer;
buffer[16] = 0;
objstream->read(buffer, 16);
_choicestring[0] = buffer;
objstream->read(buffer, 16);
_choicestring[1] = buffer;
_object = readObjectID(objstream);
// offsets and counts for the choices, it seems; we don't need this
uint32 offset1 = objstream->readUint32LE();
uint32 offset2 = objstream->readUint32LE();
uint16 count1 = objstream->readUint16LE();
uint16 count2 = objstream->readUint16LE();
(void)offset1; (void)offset2; (void)count1; (void)count2;
for (unsigned int i = 0; i < 25; i++) {
uint32 unknown32 = objstream->readUint32LE();
assert(unknown32 == 0);
}
}
void EntryList::readEntry(int type, Common::SeekableReadStream *objstream) {
uint16 header;
// XXX: horrible
Common::Array<Entry *> &entries = *list[list.size() -1 ];
switch (type) {
case BLOCK_CONDITION:
VERIFY_LENGTH(0xda);
header = objstream->readUint16LE();
assert(header == 9);
{
ConditionBlock *block = new ConditionBlock();
block->readFrom(objstream);
entries.push_back(block);
}
break;
case BLOCK_ALTER:
while (true) {
VERIFY_LENGTH(0x105);
header = objstream->readUint16LE();
assert(header == 9);
AlterBlock *block = new AlterBlock();
block->readFrom(objstream);
entries.push_back(block);
type = readBlockHeader(objstream);
if (type == BLOCK_END_BLOCK)
break;
if (type != BLOCK_ALTER)
error("bad block type %x encountered while parsing alters", type);
}
break;
case BLOCK_REACTION:
while (true) {
VERIFY_LENGTH(0x87);
header = objstream->readUint16LE();
assert(header == 9);
ReactionBlock *block = new ReactionBlock();
block->readFrom(objstream);
entries.push_back(block);
type = readBlockHeader(objstream);
if (type == BLOCK_END_BLOCK)
break;
if (type != BLOCK_REACTION)
error("bad block type %x encountered while parsing reactions", type);
}
break;
case BLOCK_COMMAND:
while (true) {
VERIFY_LENGTH(0x84);
header = objstream->readUint16LE();
assert(header == 9);
CommandBlock *block = new CommandBlock();
block->readFrom(objstream);
entries.push_back(block);
type = readBlockHeader(objstream);
if (type == BLOCK_END_BLOCK)
break;
if (type != BLOCK_COMMAND)
error("bad block type %x encountered while parsing commands", type);
}
break;
case BLOCK_SCREEN:
VERIFY_LENGTH(0x90);
header = objstream->readUint16LE();
assert(header == 9);
{
ScreenBlock *block = new ScreenBlock();
block->readFrom(objstream);
entries.push_back(block);
}
break;
case BLOCK_PATH:
VERIFY_LENGTH(0x17b);
header = objstream->readUint16LE();
assert(header == 9);
{
PathBlock *block = new PathBlock();
block->readFrom(objstream);
entries.push_back(block);
}
break;
case BLOCK_GENERAL:
VERIFY_LENGTH(0x7b);
header = objstream->readUint16LE();
assert(header == 9);
{
GeneralBlock *block = new GeneralBlock();
block->readFrom(objstream);
entries.push_back(block);
}
break;
case BLOCK_CONVERSATION:
while (true) {
VERIFY_LENGTH(0x7c);
header = objstream->readUint16LE();
assert(header == 9);
ConversationBlock *block = new ConversationBlock();
block->readFrom(objstream);
entries.push_back(block);
type = readBlockHeader(objstream);
if (type == BLOCK_END_BLOCK)
break;
if (type != BLOCK_CONVERSATION)
error("bad block type %x encountered while parsing conversation", type);
}
break;
case BLOCK_BEAMDOWN:
VERIFY_LENGTH(0x9f);
header = objstream->readUint16LE();
assert(header == 9);
{
BeamBlock *block = new BeamBlock();
block->readFrom(objstream);
entries.push_back(block);
}
break;
case BLOCK_TRIGGER:
while (true) {
VERIFY_LENGTH(0x78);
header = objstream->readUint16LE();
assert(header == 9);
TriggerBlock *block = new TriggerBlock();
block->readFrom(objstream);
entries.push_back(block);
type = readBlockHeader(objstream);
if (type == BLOCK_END_BLOCK)
break;
if (type != BLOCK_TRIGGER)
error("bad block type %x encountered while parsing triggers", type);
}
break;
case BLOCK_COMMUNICATE:
VERIFY_LENGTH(0x7c);
header = objstream->readUint16LE();
assert(header == 9);
{
CommunicateBlock *block = new CommunicateBlock();
block->readFrom(objstream);
entries.push_back(block);
}
break;
case BLOCK_CHOICE:
VERIFY_LENGTH(0x10b);
header = objstream->readUint16LE();
assert(header == 9);
{
ChoiceBlock *block = new ChoiceBlock();
block->readFrom(objstream);
entries.push_back(block);
while (true) {
type = readBlockHeader(objstream);
if (type == BLOCK_END_BLOCK)
break;
if (type == BLOCK_CHOICE1) {
type = readBlockHeader(objstream);
// XXX: horrible
block->_choice[0].list.push_back(new Common::Array<Entry *>());
block->_choice[0].readEntry(type, objstream);
} else if (type == BLOCK_CHOICE2) {
type = readBlockHeader(objstream);
// XXX: horrible
block->_choice[1].list.push_back(new Common::Array<Entry *>());
block->_choice[1].readEntry(type, objstream);
} else
error("bad block type %x encountered while parsing choices", type);
}
}
break;
default:
error("bad block type %x encountered while parsing entries", type);
}
}
void Object::readDescriptions(Common::SeekableReadStream *objstream) {
readDescriptionBlock(objstream);
while (true) {
int type = readBlockHeader(objstream);
switch (type) {
case BLOCK_DESCRIPTION:
readDescriptionBlock(objstream);
break;
case BLOCK_END_BLOCK:
return;
default:
error("bad block type %x encountered while parsing object", type);
}
}
}
void Object::readDescriptionBlock(Common::SeekableReadStream *objstream) {
VERIFY_LENGTH(0xa5);
byte entry_for = objstream->readByte();
for (unsigned int i = 0; i < 7; i++) {
uint16 unknowna = objstream->readUint16LE();
assert(unknowna == 0xffff);
}
char text[150];
objstream->read(text, 149);
text[149] = 0;
// XXX: is this just corrupt entries and there should be a null byte here?
byte unknown2 = objstream->readByte();
debug(2, "unknown2: %d", unknown2);
int type = readBlockHeader(objstream);
if (type != BLOCK_SPEECH_INFO)
error("bad block type %x encountered while parsing description", type);
VERIFY_LENGTH(0x0c);
Description desc;
desc.text = text;
desc.entry_id = entry_for;
desc.voice_id = objstream->readUint32LE();
desc.voice_group = objstream->readUint32LE();
desc.voice_subgroup = objstream->readUint32LE();
descriptions.push_back(desc);
}
void Object::changeTalkString(const Common::String &str) {
bool immediate = (str.size() && str[0] == '1');
if (immediate) {
// run the conversation immediately, don't change anything
// TODO: this should be *queued* to be run once we're done (or be wiped by fail)
// TODO: voice stuff
runHail(str);
} else {
debug(1, "talk string of %s changing from '%s' to '%s'", identify().c_str(),
talk_string.c_str(), str.c_str());
setTalkString(str);
}
}
void Object::setTalkString(const Common::String &str) {
if (!str.size()) {
talk_string.clear();
return;
}
if (str[0] == '1') error("unexpected immediate talk string '%s'", str.c_str());
// TODO: 'abc ---hello---' should be stripped to 'abchello'
// (skip two sets of dashes, then spaces)
talk_string = str;
}
void Object::runHail(const Common::String &hail) {
debug(1, "%s running hail '%s'", identify().c_str(), hail.c_str());
// TODO: check OBJFLAG_ACTIVE?
// TODO: use source of change if an away team member
if (hail.size() < 2) {
error("failed to parse hail '%s'", hail.c_str());
}
bool immediate = (hail[0] == '1');
if ((immediate && hail[1] != '@') || (!immediate && hail[0] != '@')) {
_vm->_dialog_text = hail.c_str() + (immediate ? 1 : 0);
// TODO: this is VERY not good
_vm->setSpeaker(id);
debug(1, "%s says '%s'", identify().c_str(), hail.c_str());
_vm->runDialog();
// text, not a proper hail
return;
}
int world, conversation, situation;
if (sscanf(hail.begin() + (immediate ? 2 : 1), "%d,%d,%d",
&world, &conversation, &situation) != 3) {