StructureBounds getStructureBounds(BASE_STATS const *stats, Vector2i pos, uint16_t direction)
{
if (StatIsStructure(stats))
{
return getStructureBounds(static_cast<STRUCTURE_STATS const *>(stats), pos, direction);
}
else if (StatIsFeature(stats))
{
return getStructureBounds(static_cast<FEATURE_STATS const *>(stats), pos);
}
return StructureBounds(map_coord(pos), Vector2i(1, 1)); // Default to a 1×1 tile.
}
StructureBounds getStructureBounds(BASE_OBJECT const *object)
{
STRUCTURE const *psStructure = castStructure(object);
FEATURE const *psFeature = castFeature(object);
if (psStructure != nullptr)
{
return getStructureBounds(psStructure);
}
else if (psFeature != nullptr)
{
return getStructureBounds(psFeature);
}
return StructureBounds(Vector2i(32767, 32767), Vector2i(-65535, -65535)); // Default to an invalid area.
}
// free up a feature with no visual effects
bool removeFeature(FEATURE *psDel)
{
MESSAGE *psMessage;
Vector3i pos;
ASSERT_OR_RETURN(false, psDel != NULL, "Invalid feature pointer");
ASSERT_OR_RETURN(false, !psDel->died, "Feature already dead");
//remove from the map data
StructureBounds b = getStructureBounds(psDel);
for (int breadth = 0; breadth < b.size.y; ++breadth)
{
for (int width = 0; width < b.size.x; ++width)
{
if (tileOnMap(b.map.x + width, b.map.y + breadth))
{
MAPTILE *psTile = mapTile(b.map.x + width, b.map.y + breadth);
if (psTile->psObject == psDel)
{
psTile->psObject = NULL;
auxClearBlocking(b.map.x + width, b.map.y + breadth, FEATURE_BLOCKED | AIR_BLOCKED);
}
}
}
}
if (psDel->psStats->subType == FEAT_GEN_ARTE || psDel->psStats->subType == FEAT_OIL_DRUM)
{
pos.x = psDel->pos.x;
pos.z = psDel->pos.y;
pos.y = map_Height(pos.x, pos.z) + 30;
addEffect(&pos, EFFECT_EXPLOSION, EXPLOSION_TYPE_DISCOVERY, false, NULL, 0, gameTime - deltaGameTime + 1);
if (psDel->psStats->subType == FEAT_GEN_ARTE)
{
scoreUpdateVar(WD_ARTEFACTS_FOUND);
intRefreshScreen();
}
}
if (psDel->psStats->subType == FEAT_GEN_ARTE || psDel->psStats->subType == FEAT_OIL_RESOURCE)
{
for (unsigned player = 0; player < MAX_PLAYERS; ++player)
{
psMessage = findMessage((MSG_VIEWDATA *)psDel, MSG_PROXIMITY, player);
while (psMessage)
{
removeMessage(psMessage, player);
psMessage = findMessage((MSG_VIEWDATA *)psDel, MSG_PROXIMITY, player);
}
}
}
debug(LOG_DEATH, "Killing off feature %s id %d (%p)", objInfo(psDel), psDel->id, psDel);
killFeature(psDel);
return true;
}
// Find a route for an DROID to a location in world coordinates
FPATH_RETVAL fpathDroidRoute(DROID *psDroid, SDWORD tX, SDWORD tY, FPATH_MOVETYPE moveType)
{
bool acceptNearest;
PROPULSION_STATS *psPropStats = getPropulsionStats(psDroid);
// override for AI to blast our way through stuff
if (!isHumanPlayer(psDroid->player) && moveType == FMT_MOVE)
{
moveType = (psDroid->asWeaps[0].nStat == 0) ? FMT_MOVE : FMT_ATTACK;
}
ASSERT_OR_RETURN(FPR_FAILED, psPropStats != NULL, "invalid propulsion stats pointer");
ASSERT_OR_RETURN(FPR_FAILED, psDroid->type == OBJ_DROID, "We got passed an object that isn't a DROID!");
// Check whether the start and end points of the route are blocking tiles and find an alternative if they are.
Position startPos = psDroid->pos;
Position endPos = Position(tX, tY, 0);
StructureBounds dstStructure = getStructureBounds(worldTile(endPos.xy)->psObject);
startPos = findNonblockingPosition(startPos, getPropulsionStats(psDroid)->propulsionType, psDroid->player, moveType);
if (!dstStructure.valid()) // If there's a structure over the destination, ignore it, otherwise pathfind from somewhere around the obstruction.
{
endPos = findNonblockingPosition(endPos, getPropulsionStats(psDroid)->propulsionType, psDroid->player, moveType);
}
objTrace(psDroid->id, "Want to go to (%d, %d) -> (%d, %d), going (%d, %d) -> (%d, %d)", map_coord(psDroid->pos.x), map_coord(psDroid->pos.y), map_coord(tX), map_coord(tY), map_coord(startPos.x), map_coord(startPos.y), map_coord(endPos.x), map_coord(endPos.y));
switch (psDroid->order.type)
{
case DORDER_BUILD:
case DORDER_LINEBUILD: // build a number of structures in a row (walls + bridges)
dstStructure = getStructureBounds(psDroid->order.psStats, psDroid->order.pos, psDroid->order.direction); // Just need to get close enough to build (can be diagonally), do not need to reach the destination tile.
// fallthrough
case DORDER_HELPBUILD: // help to build a structure
case DORDER_DEMOLISH: // demolish a structure
case DORDER_REPAIR:
acceptNearest = false;
break;
default:
acceptNearest = true;
break;
}
return fpathRoute(&psDroid->sMove, psDroid->id, startPos.x, startPos.y, endPos.x, endPos.y, psPropStats->propulsionType,
psDroid->droidType, moveType, psDroid->player, acceptNearest, dstStructure);
}
// Only used by fpathTest.
static FPATH_RETVAL fpathSimpleRoute(MOVE_CONTROL *psMove, int id, int startX, int startY, int tX, int tY)
{
return fpathRoute(psMove, id, startX, startY, tX, tY, PROPULSION_TYPE_WHEELED, DROID_WEAPON, FMT_BLOCK, 0, true, getStructureBounds((BASE_OBJECT *)NULL));
}
/* Remove a Feature and free it's memory */
bool destroyFeature(FEATURE *psDel, unsigned impactTime)
{
UDWORD widthScatter,breadthScatter,heightScatter, i;
EFFECT_TYPE explosionSize;
Vector3i pos;
ASSERT_OR_RETURN(false, psDel != NULL, "Invalid feature pointer");
/* Only add if visible and damageable*/
if(psDel->visible[selectedPlayer] && psDel->psStats->damageable)
{
/* Set off a destruction effect */
/* First Explosions */
widthScatter = TILE_UNITS/2;
breadthScatter = TILE_UNITS/2;
heightScatter = TILE_UNITS/4;
//set which explosion to use based on size of feature
if (psDel->psStats->baseWidth < 2 && psDel->psStats->baseBreadth < 2)
{
explosionSize = EXPLOSION_TYPE_SMALL;
}
else if (psDel->psStats->baseWidth < 3 && psDel->psStats->baseBreadth < 3)
{
explosionSize = EXPLOSION_TYPE_MEDIUM;
}
else
{
explosionSize = EXPLOSION_TYPE_LARGE;
}
for(i=0; i<4; i++)
{
pos.x = psDel->pos.x + widthScatter - rand()%(2*widthScatter);
pos.z = psDel->pos.y + breadthScatter - rand()%(2*breadthScatter);
pos.y = psDel->pos.z + 32 + rand()%heightScatter;
addEffect(&pos, EFFECT_EXPLOSION, explosionSize, false, NULL, 0, impactTime);
}
if(psDel->psStats->subType == FEAT_SKYSCRAPER)
{
pos.x = psDel->pos.x;
pos.z = psDel->pos.y;
pos.y = psDel->pos.z;
addEffect(&pos, EFFECT_DESTRUCTION, DESTRUCTION_TYPE_SKYSCRAPER, true, psDel->sDisplay.imd, 0, impactTime);
initPerimeterSmoke(psDel->sDisplay.imd, pos);
shakeStart(250); // small shake
}
/* Then a sequence of effects */
pos.x = psDel->pos.x;
pos.z = psDel->pos.y;
pos.y = map_Height(pos.x,pos.z);
addEffect(&pos, EFFECT_DESTRUCTION, DESTRUCTION_TYPE_FEATURE, false, NULL, 0, impactTime);
//play sound
// ffs gj
if(psDel->psStats->subType == FEAT_SKYSCRAPER)
{
audio_PlayStaticTrack( psDel->pos.x, psDel->pos.y, ID_SOUND_BUILDING_FALL );
}
else
{
audio_PlayStaticTrack( psDel->pos.x, psDel->pos.y, ID_SOUND_EXPLOSION );
}
}
if (psDel->psStats->subType == FEAT_SKYSCRAPER)
{
// ----- Flip all the tiles under the skyscraper to a rubble tile
// smoke effect should disguise this happening
StructureBounds b = getStructureBounds(psDel);
for (int breadth = 0; breadth < b.size.y; ++breadth)
{
for (int width = 0; width < b.size.x; ++width)
{
MAPTILE *psTile = mapTile(b.map.x + width, b.map.y + breadth);
// stops water texture changing for underwater features
if (terrainType(psTile) != TER_WATER)
{
if (terrainType(psTile) != TER_CLIFFFACE)
{
/* Clear feature bits */
psTile->texture = TileNumber_texture(psTile->texture) | RUBBLE_TILE;
auxClearBlocking(b.map.x + width, b.map.y + breadth, AUXBITS_ALL);
}
else
{
/* This remains a blocking tile */
psTile->psObject = NULL;
auxClearBlocking(b.map.x + width, b.map.y + breadth, AIR_BLOCKED); // Shouldn't remain blocking for air units, however.
psTile->texture = TileNumber_texture(psTile->texture) | BLOCKING_RUBBLE_TILE;
}
}
}
}
}
removeFeature(psDel);
psDel->died = impactTime;
return true;
}
/* Create a feature on the map */
FEATURE * buildFeature(FEATURE_STATS *psStats, UDWORD x, UDWORD y,bool FromSave)
{
//try and create the Feature
FEATURE *psFeature = new FEATURE(generateSynchronisedObjectId(), psStats);
if (psFeature == NULL)
{
debug(LOG_WARNING, "Feature couldn't be built.");
return NULL;
}
// features are not in the cluster system
// this will cause an assert when they still end up there
psFeature->cluster = ~0;
//add the feature to the list - this enables it to be drawn whilst being built
addFeature(psFeature);
// snap the coords to a tile
if (!FromSave)
{
x = (x & ~TILE_MASK) + psStats->baseWidth %2 * TILE_UNITS/2;
y = (y & ~TILE_MASK) + psStats->baseBreadth%2 * TILE_UNITS/2;
}
else
{
if ((x & TILE_MASK) != psStats->baseWidth %2 * TILE_UNITS/2 ||
(y & TILE_MASK) != psStats->baseBreadth%2 * TILE_UNITS/2)
{
debug(LOG_WARNING, "Feature not aligned. position (%d,%d), size (%d,%d)", x, y, psStats->baseWidth, psStats->baseBreadth);
}
}
psFeature->pos.x = x;
psFeature->pos.y = y;
StructureBounds b = getStructureBounds(psFeature);
// get the terrain average height
int foundationMin = INT32_MAX;
int foundationMax = INT32_MIN;
for (int breadth = 0; breadth <= b.size.y; ++breadth)
{
for (int width = 0; width <= b.size.x; ++width)
{
int h = map_TileHeight(b.map.x + width, b.map.y + breadth);
foundationMin = std::min(foundationMin, h);
foundationMax = std::max(foundationMax, h);
}
}
//return the average of max/min height
int height = (foundationMin + foundationMax) / 2;
if (psStats->subType == FEAT_TREE)
{
psFeature->rot.direction = gameRand(DEG_360);
}
else
{
psFeature->rot.direction = 0;
}
psFeature->body = psStats->body;
psFeature->periodicalDamageStart = 0;
psFeature->periodicalDamage = 0;
// it has never been drawn
psFeature->sDisplay.frameNumber = 0;
memset(psFeature->seenThisTick, 0, sizeof(psFeature->seenThisTick));
memset(psFeature->visible, 0, sizeof(psFeature->visible));
// set up the imd for the feature
psFeature->sDisplay.imd = psStats->psImd;
ASSERT_OR_RETURN(NULL, psFeature->sDisplay.imd, "No IMD for feature"); // make sure we have an imd.
for (int breadth = 0; breadth < b.size.y; ++breadth)
{
for (int width = 0; width < b.size.x; ++width)
{
MAPTILE *psTile = mapTile(b.map.x + width, b.map.y + breadth);
//check not outside of map - for load save game
ASSERT_OR_RETURN(NULL, b.map.x + width < mapWidth, "x coord bigger than map width - %s, id = %d", getName(psFeature->psStats), psFeature->id);
ASSERT_OR_RETURN(NULL, b.map.y + breadth < mapHeight, "y coord bigger than map height - %s, id = %d", getName(psFeature->psStats), psFeature->id);
if (width != psStats->baseWidth && breadth != psStats->baseBreadth)
{
if (TileHasFeature(psTile))
{
FEATURE *psBlock = (FEATURE *)psTile->psObject;
debug(LOG_ERROR, "%s(%d) already placed at (%d+%d, %d+%d) when trying to place %s(%d) at (%d+%d, %d+%d) - removing it",
getName(psBlock->psStats), psBlock->id, map_coord(psBlock->pos.x), psBlock->psStats->baseWidth, map_coord(psBlock->pos.y),
psBlock->psStats->baseBreadth, getName(psFeature->psStats), psFeature->id, b.map.x, b.size.x, b.map.y, b.size.y);
removeFeature(psBlock);
}
psTile->psObject = (BASE_OBJECT*)psFeature;
// if it's a tall feature then flag it in the map.
if (psFeature->sDisplay.imd->max.y > TALLOBJECT_YMAX)
{
auxSetBlocking(b.map.x + width, b.map.y + breadth, AIR_BLOCKED);
}
if (psStats->subType != FEAT_GEN_ARTE && psStats->subType != FEAT_OIL_DRUM)
{
auxSetBlocking(b.map.x + width, b.map.y + breadth, FEATURE_BLOCKED);
}
}
if( (!psStats->tileDraw) && (FromSave == false) )
{
psTile->height = height;
}
}
}
psFeature->pos.z = map_TileHeight(b.map.x, b.map.y);//jps 18july97
return psFeature;
}