void HomingCheat (void)
{
if (!gameStates.app.cheats.bHomingWeapons) {
int i;
gameStates.app.cheats.bHomingWeapons = 1;
for (i = 0;i < 20;i++) {
OldHomingState [i] = WI_homingFlag (i);
WI_set_homingFlag (i, 1);
}
HUDInitMessage (TXT_WPN_HOMING);
}
}
void HomingCheat (int bVerbose)
{
int i;
if (gameStates.app.cheats.bHomingWeapons = !gameStates.app.cheats.bHomingWeapons) {
for (i = 0; i < 20; i++) {
bOldHomingStates [i] = WI_homingFlag (i);
WI_set_homingFlag (i, 1);
}
if (bVerbose)
HUDInitMessage (TXT_WPN_HOMING);
}
else {
for (i = 0; i < 20; i++)
WI_set_homingFlag (i, bOldHomingStates [i]);
}
}
//-------------------------------------------------------------------------------------------
//sequence this weapon object for this _frame_ (underscores added here to aid MK in his searching!)
void DoWeaponSequence (CObject *objP)
{
CObject *gmObjP;
fix xWeaponSpeed, xScaleFactor, xDistToTarget;
Assert (objP->info.controlType == CT_WEAPON);
// Ok, this is a big hack by MK.
// If you want an CObject to last for exactly one frame, then give it a lifeleft of ONE_FRAME_TIME
if (objP->info.xLifeLeft == ONE_FRAME_TIME) {
if (IsMultiGame)
objP->info.xLifeLeft = OMEGA_MULTI_LIFELEFT;
else
objP->info.xLifeLeft = 0;
objP->info.renderType = RT_NONE;
}
if (objP->info.xLifeLeft < 0) { // We died of old age
objP->Die ();
if (WI_damage_radius (objP->info.nId))
objP->ExplodeBadassWeapon (objP->info.position.vPos);
return;
}
//delete weapons that are not moving
xWeaponSpeed = objP->mType.physInfo.velocity.Mag();
if (!((gameData.app.nFrameCount ^ objP->info.nSignature) & 3) &&
(objP->info.nType == OBJ_WEAPON) && (objP->info.nId != FLARE_ID) &&
(gameData.weapons.info [objP->info.nId].speed [gameStates.app.nDifficultyLevel] > 0) &&
(xWeaponSpeed < I2X (2))) {
ReleaseObject (objP->Index ());
return;
}
if ((objP->info.nType == OBJ_WEAPON) && (objP->info.nId == FUSION_ID)) { //always set fusion weapon to max vel
CFixVector::Normalize (objP->mType.physInfo.velocity);
objP->mType.physInfo.velocity *= (WI_speed (objP->info.nId,gameStates.app.nDifficultyLevel));
}
// For homing missiles, turn towards target. (unless it's the guided missile)
if ((gameData.laser.xUpdateTime >= I2X (1) / 40) &&
(objP->info.nType == OBJ_WEAPON) &&
(gameStates.app.cheats.bHomingWeapons || WI_homingFlag (objP->info.nId)) &&
!(objP->info.nFlags & PF_HAS_BOUNCED) &&
!((objP->info.nId == GUIDEDMSL_ID) &&
(objP == (gmObjP = gameData.objs.guidedMissile [OBJECTS [objP->cType.laserInfo.parent.nObject].info.nId].objP)) &&
(objP->info.nSignature == gmObjP->info.nSignature))) {
fix xFrameTime;
for (xFrameTime = gameData.laser.xUpdateTime; xFrameTime >= I2X (1) / 40; xFrameTime -= I2X (1) / 40) {
CFixVector vVecToObject, vNewVel;
fix dot = I2X (1);
fix speed, xMaxSpeed, xDist;
int nObjId = objP->info.nId;
// For first 1/2 second of life, missile flies straight.
//if (objP->cType.laserInfo.xCreationTime + HomingMslStraightTime (nObjId) < gameData.time.xGame)
{
int nHomingTarget = objP->cType.laserInfo.nHomingTarget;
// If it's time to do tracking, then it's time to grow up, stop bouncing and start exploding!.
if ((nObjId == ROBOT_SMARTMINE_BLOB_ID) ||
(nObjId == ROBOT_SMARTMSL_BLOB_ID) ||
(nObjId == SMARTMINE_BLOB_ID) ||
(nObjId == SMARTMSL_BLOB_ID) ||
(nObjId == EARTHSHAKER_MEGA_ID))
objP->mType.physInfo.flags &= ~PF_BOUNCE;
// Make sure the CObject we are tracking is still trackable.
nHomingTarget = TrackHomingTarget (nHomingTarget, objP, &dot);
if (nHomingTarget != -1) {
if (nHomingTarget == LOCALPLAYER.nObject) {
xDistToTarget = CFixVector::Dist (objP->info.position.vPos, OBJECTS [nHomingTarget].info.position.vPos);
if ((xDistToTarget < LOCALPLAYER.homingObjectDist) || (LOCALPLAYER.homingObjectDist < 0))
LOCALPLAYER.homingObjectDist = xDistToTarget;
}
vVecToObject = OBJECTS [nHomingTarget].info.position.vPos - objP->info.position.vPos;
xDist = CFixVector::Normalize (vVecToObject);
vNewVel = objP->mType.physInfo.velocity;
speed = CFixVector::Normalize (vNewVel);
xMaxSpeed = WI_speed (objP->info.nId,gameStates.app.nDifficultyLevel);
if (speed + I2X (1) < xMaxSpeed) {
speed += FixMul (xMaxSpeed, I2X (1) / 80);
if (speed > xMaxSpeed)
speed = xMaxSpeed;
}
if (EGI_FLAG (bEnhancedShakers, 0, 0, 0) && (objP->info.nId == EARTHSHAKER_MEGA_ID)) {
fix h = (objP->info.xLifeLeft + I2X (1) - 1) / I2X (1);
if (h > 7)
vVecToObject *= (I2X (1) / (h - 6));
}
#if 0
vVecToObject *= HomingMslScale ();
#endif
vNewVel += vVecToObject;
// The boss' smart children track better...
if (gameData.weapons.info [objP->info.nId].renderType != WEAPON_RENDER_POLYMODEL)
vNewVel += vVecToObject;
CFixVector::Normalize (vNewVel);
CFixVector vOldVel = objP->mType.physInfo.velocity;
objP->mType.physInfo.velocity = vNewVel;
objP->mType.physInfo.velocity *= speed;
CFixVector vTest = objP->info.position.vPos + vNewVel * xDist;
if (!CanSeePoint (NULL, &objP->info.position.vPos, &vTest, objP->info.nSegment, 3 * objP->info.xSize / 2))
objP->mType.physInfo.velocity = vOldVel;
else { // Subtract off life proportional to amount turned. For hardest turn, it will lose 2 seconds per second.
dot = abs (I2X (1) - dot);
objP->info.xLifeLeft -= FixMul (dot * 32, I2X (1) / 40);
}
// Only polygon OBJECTS have visible orientation, so only they should turn.
if (gameData.weapons.info [objP->info.nId].renderType == WEAPON_RENDER_POLYMODEL)
HomingMissileTurnTowardsVelocity (objP, &vNewVel); // vNewVel is normalized velocity.
}
}
}
}
// Make sure weapon is not moving faster than allowed speed.
if ((objP->info.nType == OBJ_WEAPON) &&
(xWeaponSpeed > WI_speed (objP->info.nId, gameStates.app.nDifficultyLevel))) {
// Only slow down if not allowed to move. Makes sense, huh? Allows proxbombs to get moved by physics force. --MK, 2/13/96
if (WI_speed (objP->info.nId, gameStates.app.nDifficultyLevel)) {
xScaleFactor = FixDiv (WI_speed (objP->info.nId,gameStates.app.nDifficultyLevel), xWeaponSpeed);
objP->mType.physInfo.velocity *= xScaleFactor;
}
}
}
