S013010C_Aaron_Smith_Steering::S013010C_Aaron_Smith_Steering(S013010C_Aaron_Smith_Tank* tank,bool demoTank)
{
mTank = tank;
mIsArriving = false;
mIsPursuing = false;
mIsEvading = false;
mIsFleeing = false;
mIsWandering = false;
mIsSeeking = false;
mIsPursuing = false;
mIsObstacleAvoiding = true;
mIsWallAvoided = true;
//add walls
walls = vector<Walls>();
Walls leftWall = Walls(Vector2D(0, 0), Vector2D(0, kScreenHeight));
Walls rightWall = Walls(Vector2D(kScreenWidth, 0), Vector2D(kScreenWidth, kScreenHeight));
Walls bottomWall = Walls(Vector2D(0, kScreenHeight), Vector2D(kScreenWidth, kScreenHeight));
Walls topWall = Walls(Vector2D(0, 0), Vector2D(kScreenWidth, 0));
walls.push_back(leftWall);
walls.push_back(rightWall);
walls.push_back(bottomWall);
walls.push_back(topWall);
}
INT16 CMine::FindTriggerWall (INT16 trignum)
{
CDWall *wall = Walls ();
int wallnum;
for (wallnum = GameInfo ().walls.count; wallnum; wallnum--, wall++)
if (wall->trigger == trignum)
return wall - Walls ();
return GameInfo ().walls.count;
}
INT16 CMine::FindTriggerWall (INT16 *trignum, INT16 segnum, INT16 sidenum)
{
GetCurrent (segnum, sidenum);
CDWall *wall = Walls ();
int wallnum;
for (wallnum = GameInfo ().walls.count; wallnum; wallnum--, wall++) {
if ((wall->segnum == segnum) && (wall->sidenum == sidenum)) {
*trignum = wall->trigger;
return wall - Walls ();
}
}
*trignum = NO_TRIGGER;
return GameInfo ().walls.count;
}
bool CMine::VisibleWall (UINT16 nWall)
{
if (nWall == NO_WALL)
return false;
CDWall *wallP = Walls (nWall);
return (wallP->type != WALL_OPEN);
}
TEST (MazeReader, LoadMazeFromFile)
{
char fileName[] = "mazefiles/empty.maz";
ReadRealWallsFromFile (fileName);
UpdateEntireMazeFromRealWalls ();
EXPECT_EQ (ALL_SEEN + WEST_WALL + SOUTH_WALL + EAST_WALL, Walls (Home()));
}
TEST (MazeReader, LoadMazeFromInvalidFile)
{
char fileName[] = "mazefiles/aaaaaa.maz";
ReadRealWallsFromFile (fileName);
UpdateEntireMazeFromRealWalls ();
EXPECT_EQ (ALL_SEEN + NO_WALLS, Walls (Home()));
}
void CMine::SetSegmentChildNum (CDSegment *pRoot, INT16 segnum,INT16 recursion_level)
{
INT16 sidenum, child, nImprove = 0;
UINT16 nWall;
CDSegment *seg = Segments () + segnum;
CDSegment *prevSeg = NULL;
bool bMarkChildren = false;
// mark each child if child number is lower
for (sidenum = 0; sidenum < MAX_SIDES_PER_SEGMENT; sidenum++) {
// Skip if this is a door
nWall = seg->sides [sidenum].nWall;
// .. if there is a wall and its a door
if ((nWall < GameInfo ().walls.count) && (Walls (nWall)->type == WALL_DOOR))
continue;
// mark segment if it has a child
child = seg->children [sidenum];
if ((child > -1) && (child < SegCount ()) && (recursion_level > seg->seg_number)) {
if (seg->seg_number >= 0)
++nImprove;
/*
if (pRoot) {
UnlinkSeg (seg, pRoot);
LinkSeg (seg, pRoot);
}
*/
seg->seg_number = recursion_level;
bMarkChildren = true;
break;
}
}
//return if segment has no children or max recursion depth is reached
if (!bMarkChildren || (recursion_level == 1))
return;
// check each side of this segment for more children
for (sidenum = 0; sidenum < MAX_SIDES_PER_SEGMENT; sidenum++) {
// skip if there is a wall and its a door
nWall = seg->sides [sidenum].nWall;
if ((nWall < GameInfo ().walls.count) && (Walls (nWall)->type == WALL_DOOR))
continue;
// check child
child = seg->children [sidenum];
if ((child > -1) && (child < SegCount ()))
SetSegmentChildNum (pRoot, child, recursion_level - 1);
}
}
void CMine::DeleteTrigger (INT16 nTrigger)
{
INT16 i, nSegment, nSide, nWall;
if (nTrigger < 0) {
nWall = CurrSeg ()->sides [Current ()->side].nWall;
if (nWall >= GameInfo ().walls.count)
return;
nTrigger = Walls (nWall)->trigger;
}
if (nTrigger >= GameInfo ().triggers.count)
return;
// update all Walls () who point to Triggers () higher than this one
// and unlink all Walls () who point to deleted trigger (should be only one wall)
theApp.SetModified (TRUE);
theApp.LockUndo ();
CDWall *wallP = Walls ();
for (i = GameInfo ().walls.count; i; i--, wallP++)
if ((wallP->trigger != NO_TRIGGER) && (wallP->trigger > nTrigger))
wallP->trigger--;
else if (wallP->trigger == nTrigger) {
wallP->trigger = NO_TRIGGER;
nSegment = wallP->segnum;
nSide = wallP->sidenum;
}
// remove trigger from array
//for (i=nTrigger;i<GameInfo ().triggers.count-1;i++)
// update number of Triggers ()
CDTrigger *trigP = Triggers ();
for (i = NumTriggers (); i; i--, trigP++)
if (trigP->type >= TT_MASTER)
DeleteTriggerTarget (trigP, nSegment, nSide, false);
if (nTrigger < --GameInfo ().triggers.count)
memcpy(Triggers (nTrigger), Triggers (nTrigger + 1), (GameInfo ().triggers.count - nTrigger) * sizeof(CDTrigger));
theApp.UnlockUndo ();
theApp.MineView ()->Refresh ();
AutoLinkExitToReactor();
}
int main()
{
std::cout << "Ready to play Pong?" << "\n";
system("pause");
sfw::initContext(width, height, "Pong");
// then we need to update our buffers, poll for input, etc.
while (sfw::stepContext())
{
Walls();
Player1();
Player2();
Ball();
if (player1score > 4)
{
std::cout << "Player 1 wins" << "\n" <<"Player 1 Score:" << player1score << "\n" << "Player 2 Score:" << player2score << "\n";
sfw::termContext();
system("pause");
}
if (player2score > 4)
{
std::cout << "Player 2 wins" << "\n" << "Player 2 Score:" << player2score << "\n" << "Player 1 Score:" << player1score << "\n";
sfw::termContext();
system("pause");
}
}
//395 405 250 350
sfw::termContext();
return 0;
}
//
// Action - Updates control center Triggers () so that exit door opens
// when the reactor blows up. Removes any invalid cube/sides
// from control_center_triggers if they exist.
//------------------------------------------------------------------------
void auto_link_exit_to_reactor()
{
INT16 linknum,control,num_links,segnum,sidenum;
UINT16 wallnum;
UINT8 trignum;
bool found;
control = 0; // only 0 used by the game Descent
// remove items from list that do not point to a wall
for (linknum=0;linknum<control_center_triggers[control].num_links;linknum++) {
num_links = control_center_triggers[control].num_links;
segnum = control_center_triggers[control].seg[linknum];
sidenum = control_center_triggers[control].side[linknum];
// search for Walls () that have a exit of type trigger
found = FALSE;
for (wallnum=0;wallnum<GameInfo ().walls_howmany;wallnum++) {
if (Walls (wallnum)->segnum == segnum && Walls ()[wallnum].sidenum == sidenum) {
found = TRUE;
break;
}
}
// trignum = Walls (wallnum)->trigger;
// if (trignum >= 0 && trignum <GameInfo ().triggers_howmany) {
// if (Triggers ()[trignum].flags & (TRIGGER_EXIT | TRIGGER_SECRET_EXIT)) {
// found = TRUE;
// break;
// }
// }
// }
// }
if (!found) {
if (num_links > 0) { // just in case
// move last link into this deleted link's spot
control_center_triggers[control].seg [linknum] =
control_center_triggers[control].seg[num_links-1];
control_center_triggers[control].side[linknum] =
control_center_triggers[control].side[num_links-1];
control_center_triggers[control].seg [num_links-1] = 0;
control_center_triggers[control].side[num_links-1] = 0;
control_center_triggers[control].num_links--;
}
}
}
// add exit to list if not already in list
// search for walls that have a exit of type trigger
num_links = control_center_triggers[control].num_links;
for (wallnum=0;wallnum<GameInfo ().walls_howmany;wallnum++) {
trignum = Walls (wallnum)->trigger;
if (trignum >= 0 && trignum <GameInfo ().triggers_howmany) {
if ( file_type == RDL_FILE &&
Triggers ()[trignum].flags & (TRIGGER_EXIT | TRIGGER_SECRET_EXIT)
||
file_type != RDL_FILE &&
(Triggers ()[trignum].type == TT_EXIT || Triggers ()[trignum].type == TT_SECRET_EXIT)
) {
// see if cube,side is already on the list
segnum = (INT16)Walls (wallnum)->segnum;
sidenum =(INT16)Walls (wallnum)->sidenum;
found = FALSE;
for (linknum=0;linknum<num_links;linknum++) {
if (segnum == control_center_triggers[control].seg[linknum] &&
sidenum == control_center_triggers[control].side[linknum]) {
found = TRUE;
break;
}
}
// if not already on the list, add it
if (!found) {
linknum = control_center_triggers[control].num_links;
control_center_triggers[control].seg[linknum] = segnum;
control_center_triggers[control].side[linknum] = sidenum;
control_center_triggers[control].num_links++;
}
}
}
}
}
bool CMine::CalcDeltaLights (double fLightScale, int force, int recursion_depth)
{
// initialize totals
CDSegment *srcseg, *childseg;
int source_segnum, child_segnum;
double effect[4];
GameInfo ().delta_lights.count = 0;
GameInfo ().dl_indices.count = 0;
bool bWall, bD2XLights = (level_version >= 15) && (GameInfo ().fileinfo_version >= 34);
fLightScale = 1.0; ///= 100.0;
for (source_segnum = 0, srcseg = Segments ();
source_segnum < SegCount ();
source_segnum++, srcseg++) {
// skip if not marked unless we are automatically saving
if (!(srcseg->wall_bitmask & MARKED_MASK) && !force)
continue;
// loop on all sides
int source_sidenum;
for (source_sidenum = 0; source_sidenum < 6; source_sidenum++) {
INT16 tmapnum = srcseg->sides [source_sidenum].nBaseTex & 0x3fff;
INT16 tmapnum2 = srcseg->sides [source_sidenum].nOvlTex & 0x3fff;
INT16 trignum;
bool bl1 = (bool) (IsLight (tmapnum) != -1);
bool bl2 = (bool) (IsLight (tmapnum2) != -1);
if (!(bl1 || bl2))
continue; // no lights on this side
bool bCalcDeltas = false;
// if the current side is a wall and has a light and is the target of a trigger
// than can make the wall appear/disappear, calculate delta lights for it
if ((bWall = (FindWall (source_segnum, source_sidenum) != NULL)) &&
((trignum = FindTriggerTarget (0, source_segnum, source_sidenum)) >= 0)) {
INT8 trigtype = Triggers (trignum)->type;
bCalcDeltas =
(trigtype == TT_ILLUSION_OFF) ||
(trigtype == TT_ILLUSION_ON) ||
(trigtype == TT_CLOSE_WALL) ||
(trigtype == TT_OPEN_WALL) ||
(trigtype == TT_LIGHT_OFF) ||
(trigtype == TT_LIGHT_ON);
}
if (!bCalcDeltas)
bCalcDeltas = IsFlickeringLight (source_segnum, source_sidenum);
if (!bCalcDeltas) {
bool bb1 = IsBlastableLight (tmapnum);
bool bb2 = IsBlastableLight (tmapnum2);
if (bb1 == bb2)
bCalcDeltas = bb1; // both lights blastable or not
else if (!(bb1 ? bl2 : bl1)) // i.e. one light blastable and the other texture not a non-blastable light
bCalcDeltas = true;
}
if (!bCalcDeltas) { //check if light is target of a "light on/off" trigger
int trignum = FindTriggerTarget (0, source_segnum, source_sidenum);
if ((trignum >= 0) && (Triggers (trignum)->type >= TT_LIGHT_OFF))
bCalcDeltas = true;
}
if (!bCalcDeltas)
continue;
// only set lights for textures which have a nOvlTex
//if (tmapnum2 == 0)
// continue;
INT16 srcwall = srcseg->sides [source_sidenum].nWall;
if ((srcseg->children [source_sidenum] != -1) &&
((srcwall >= GameInfo ().walls.count) || (Walls (srcwall)->type == WALL_OPEN)))
continue;
// if ((IsLight (tmapnum) == -1) && (IsLight (tmapnum2) == -1))
// continue;
if (GameInfo ().dl_indices.count >= MAX_DL_INDICES) {
char szMsg [256];
sprintf (szMsg, " Light tool: Too many dynamic lights at render depth %d", recursion_depth);
DEBUGMSG (szMsg);
return false;
}
vms_vector A,source_center;
// get index number and increment total number of dl_indices
int dl_index_num = (int)GameInfo ().dl_indices.count++;
dl_index *pdli = DLIndex (dl_index_num);
if (bD2XLights) {
pdli->d2x.segnum = source_segnum;
pdli->d2x.sidenum = source_sidenum;
pdli->d2x.count = 0; // will be incremented below
}
else {
pdli->d2.segnum = source_segnum;
pdli->d2.sidenum = source_sidenum;
pdli->d2.count = 0; // will be incremented below
}
pdli->d2.index = (INT16)GameInfo ().delta_lights.count;
// find orthogonal angle of source segment
CalcOrthoVector(A,source_segnum,source_sidenum);
// remember to flip the sign since we want it to point inward
A.x = -A.x;
A.y = -A.y;
A.z = -A.z;
// calculate the center of the source segment
CalcCenter(source_center,source_segnum,source_sidenum);
// mark those Segments () within N children of current cube
//(note: this is done once per light instead of once per segment
// even though some Segments () have multiple lights.
// This actually reduces the number of calls since most
// Segments () do not have lights)
int h;
for (h = 0; h < SegCount (); h++)
Segments (h)->seg_number = -1;
SetSegmentChildNum (srcseg, source_segnum, recursion_depth);
srcseg->seg_number = recursion_depth;
// setup source corner vertex for length calculation later
vms_vector source_corner[4];
int j;
for (j = 0; j < 4; j++) {
UINT8 vertnum = side_vert[source_sidenum][j];
int h = srcseg->verts[vertnum];
source_corner[j].x = Vertices (h)->x;
source_corner[j].y = Vertices (h)->y;
source_corner[j].z = Vertices (h)->z;
}
// loop on child Segments ()
for (child_segnum = 0, childseg = Segments ();
child_segnum < SegCount ();
child_segnum++, childseg++) {
if (childseg->seg_number < 0)
continue;
// loop on child sides
int child_sidenum;
for (child_sidenum = 0; child_sidenum < 6; child_sidenum++) {
// if texture has a child..
#ifdef _DEBUG
CBRK (source_segnum == 6 && source_sidenum == 2 &&
child_segnum == 10 && child_sidenum == 1);
#endif
if (childseg->children[child_sidenum] >= 0) {
UINT16 nWall = childseg->sides[child_sidenum].nWall;
// .. if there is no wall ..
if (nWall >= GameInfo ().walls.count)
continue;
// .. or its not a door ..
if (Walls (nWall)->type == WALL_OPEN)
continue; // don't put light because there is no texture here
}
// don't affect non-flickering light emitting textures (e.g. lava)
tmapnum = childseg->sides [child_sidenum].nBaseTex;
tmapnum2 = childseg->sides [child_sidenum].nOvlTex & 0x3fff;
if (m_nNoLightDeltas == 1) {
if (((IsLight (tmapnum) >= 0) || (IsLight (tmapnum2) >= 0))
&& !IsFlickeringLight (child_segnum, child_sidenum))
continue;
}
else if ((m_nNoLightDeltas == 2) && (IsLava (tmapnum) || IsLava (tmapnum2)))
continue;
// if the child side is the same as the source side, then set light and continue
if (child_sidenum == source_sidenum && child_segnum == source_segnum) {
if ((GameInfo ().delta_lights.count >= MAX_DELTA_LIGHTS) ||
(bD2XLights ? pdli->d2x.count == 8191 : pdli->d2.count == 255)) {
char szMsg [256];
sprintf (szMsg, " Light tool: Too many dynamic lights at render depth %d", recursion_depth);
DEBUGMSG (szMsg);
return false;
}
delta_light *dl = DeltaLights (GameInfo ().delta_lights.count++);
dl->segnum = child_segnum;
dl->sidenum = child_sidenum;
dl->dummy = 0;
dl->vert_light [0] =
dl->vert_light [1] =
dl->vert_light [2] =
dl->vert_light [3] = (UINT8) min (32, 32 * fLightScale);
if (bD2XLights)
pdli->d2x.count++;
else
pdli->d2.count++;
continue;
}
// calculate vector between center of source segment and center of child
#ifdef _DEBUG
CBRK (child_segnum == qqq1 && child_sidenum == qqq2);
#endif
if (CalcSideLights (child_segnum, child_sidenum, source_center, source_corner, A, effect, fLightScale, bWall)) {
theApp.SetModified (TRUE);
if ((GameInfo ().delta_lights.count >= MAX_DELTA_LIGHTS) ||
(bD2XLights ? pdli->d2x.count == 8191 : pdli->d2.count == 255)) {
char szMsg [256];
sprintf (szMsg, " Light tool: Too many dynamic lights at render depth %d", recursion_depth);
DEBUGMSG (szMsg);
return false;
}
delta_light *dl = DeltaLights (GameInfo ().delta_lights.count++);
dl->segnum = child_segnum;
dl->sidenum = child_sidenum;
dl->dummy = 0;
int iCorner;
for (iCorner = 0; iCorner < 4; iCorner++)
dl->vert_light [iCorner] = (UINT8) min(32, effect [iCorner]);
if (bD2XLights)
pdli->d2x.count++;
else
pdli->d2.count++;
}
}
}
// }
}
}
return true;
}
void CMine::Illuminate (
INT16 source_segnum,
INT16 source_sidenum,
UINT32 brightness,
double fLightScale,
bool bAll, bool
bCopyTexLights)
{
CDSegment *seg = Segments ();
CDSegment *child_seg;
double effect[4];
// find orthogonal angle of source segment
vms_vector A;
//fLightScale /= 100.0;
CalcOrthoVector (A,source_segnum,source_sidenum);
// remember to flip the sign since we want it to point inward
A.x = -A.x;
A.y = -A.y;
A.z = -A.z;
// calculate the center of the source segment
vms_vector source_center;
CalcCenter (source_center,source_segnum,source_sidenum);
if ((source_segnum == 911) && (source_sidenum == 3))
A = A;
// mark those Segments () within N children of current cube
// set child numbers
//Segments ()[source_segnum].seg_number = m_lightRenderDepth;
int i;
for (i = SegCount (); i; i--, seg++)
seg->seg_number = -1;
SetSegmentChildNum (NULL, source_segnum, m_lightRenderDepth);
CDColor *plc = LightColor (source_segnum, source_sidenum);
if (!plc->index) {
plc->index = 255;
plc->color.r =
plc->color.g =
plc->color.b = 1.0;
}
if (UseTexColors () && bCopyTexLights) {
CDColor *psc = LightColor (source_segnum, source_sidenum, false);
*psc = *plc;
}
seg = Segments (source_segnum);
seg->seg_number = m_lightRenderDepth;
bool bWall = false; //FindWall (source_segnum, source_sidenum) != NULL;
// loop on child Segments ()
int child_segnum;
for (child_segnum=0, child_seg = Segments ();child_segnum<SegCount ();child_segnum++, child_seg++) {
// skip if this is not viewable
if (child_seg->seg_number < 0)
continue;
// skip if not marked
// if (!(bAll || (child_seg->wall_bitmask & MARKED_MASK)))
// continue;
// setup source corner vertex for length calculation later
vms_vector source_corner[4];
int j;
for (j = 0; j < 4; j++) {
int vertnum = side_vert [source_sidenum][j];
int h = seg->verts [vertnum];
source_corner[j].x = Vertices (h)->x;
source_corner[j].y = Vertices (h)->y;
source_corner[j].z = Vertices (h)->z;
}
// loop on child sides
int child_sidenum;
for (child_sidenum = 0; child_sidenum < 6; child_sidenum++) {
// if side has a child..
if (!(bAll || SideIsMarked (child_segnum, child_sidenum)))
continue;
if (child_seg->children[child_sidenum] >= 0) {
UINT16 nWall = child_seg->sides[child_sidenum].nWall;
// .. but there is no wall ..
if (nWall >= GameInfo ().walls.count)
continue;
// .. or its not a door ..
if (Walls (nWall)->type == WALL_OPEN)
continue;
}
// CBRK (psc->index > 0);
// if the child side is the same as the source side, then set light and continue
#ifdef _DEBUG
CBRK (child_segnum == qqq1 && child_sidenum == qqq2);
#endif
if (child_sidenum == source_sidenum && child_segnum == source_segnum) {
uvl *uvlP = child_seg->sides [child_sidenum].uvls;
UINT32 vBr, lBr;
theApp.SetModified (TRUE);
int j;
for (j = 0; j < 4; j++, uvlP++) {
CDColor *pvc = VertexColors (child_seg->verts [side_vert [child_sidenum][j]]);
vBr = (UINT16) uvlP->l;
lBr = (UINT32) (brightness * fLightScale);
BlendColors (plc, pvc, lBr, vBr);
vBr += lBr;
vBr = min (0x8000, vBr);
uvlP->l = (UINT16) vBr;
}
continue;
}
// calculate vector between center of source segment and center of child
// CBRK (child_segnum == 1 && child_sidenum == 2);
if (CalcSideLights (child_segnum, child_sidenum, source_center, source_corner, A, effect, fLightScale, bWall)) {
UINT32 vBr, lBr; //vertex brightness, light brightness
uvl *uvlP = child_seg->sides [child_sidenum].uvls;
theApp.SetModified (TRUE);
int j;
for (j = 0; j < 4; j++, uvlP++) {
CDColor *pvc = VertexColors (child_seg->verts [side_vert [child_sidenum][j]]);
if (child_seg->verts [side_vert [child_sidenum][j]] == 2368)
j = j;
vBr = (UINT16) uvlP->l;
lBr = (UINT16) (brightness * effect [j] / 32);
BlendColors (plc, pvc, lBr, vBr);
vBr += lBr;
vBr = min (0x8000, vBr);
uvlP->l = (UINT16) vBr;
}
}
}
}
}
CDTrigger *CMine::AddTrigger (UINT16 wallnum, INT16 type, BOOL bAutoAddWall)
{
INT16 flags;
INT16 segnum, sidenum, trignum;
static INT16 defWallTypes [NUM_TRIGGER_TYPES] = {
WALL_OPEN, WALL_OPEN, WALL_OPEN, WALL_OPEN, WALL_ILLUSION,
WALL_OPEN, WALL_OPEN, WALL_OPEN, WALL_OPEN, WALL_OPEN,
WALL_OPEN, WALL_OPEN, WALL_OPEN, WALL_OPEN, WALL_ILLUSION,
WALL_OPEN, WALL_OPEN
};
static INT16 defWallTextures [NUM_TRIGGER_TYPES] = {
0, 0, 0, 0, 426,
0, 0, 0, 0, 0,
0, 0, 0, 0, 426,
0, 0
};
// check if there's already a trigger on the current side
wallnum = FindTriggerWall (&trignum);
if (trignum != NO_TRIGGER) {
ErrorMsg ("There is already a trigger on this side");
return NULL;
}
if (GameInfo ().triggers.count >= MAX_TRIGGERS) {
ErrorMsg ("The maximum number of triggers has been reached.");
return NULL;
}
// if no wall at current side, try to add a wall of proper type
bool bUndo = theApp.SetModified (TRUE);
theApp.LockUndo ();
if (CurrSide ()->nWall >= GameInfo ().walls.count) {
if (bAutoAddWall) {
if (GameInfo ().walls.count >= MAX_WALLS) {
ErrorMsg ("Cannot add a wall to this side,\nsince the maximum number of walls is already reached.");
return NULL;
}
segnum = sidenum = -1;
GetCurrent (segnum, sidenum);
if (!AddWall (-1, -1, (Segments (segnum)->children [sidenum] < 0) ? WALL_OVERLAY : defWallTypes [type], 0, 0, -1, defWallTextures [type])) {
ErrorMsg ("Cannot add a wall for this trigger.");
theApp.ResetModified (bUndo);
return NULL;
}
}
else {
ErrorMsg ("You must add a wall to this side before you can add a trigger.");
return NULL;
}
}
// if D1, then convert type to flag value
if (file_type == RDL_FILE) {
switch(type) {
case TT_OPEN_DOOR:
flags = TRIGGER_CONTROL_DOORS;
break;
case TT_MATCEN:
flags = TRIGGER_MATCEN;
break;
case TT_EXIT:
flags = TRIGGER_EXIT;
break;
case TT_SECRET_EXIT:
flags = TRIGGER_SECRET_EXIT;
break;
case TT_ILLUSION_OFF:
flags = TRIGGER_ILLUSION_OFF;
break;
case TT_ILLUSION_ON:
flags = TRIGGER_ILLUSION_ON;
break;
case TT_ENERGY_DRAIN:
flags = TRIGGER_ENERGY_DRAIN;
break;
case TT_SHIELD_DAMAGE:
flags = TRIGGER_SHIELD_DAMAGE;
break;
default:
flags = 0;
}
type = 0;
}
else
flags = 0;
trignum = (UINT16) GameInfo ().triggers.count;
// set new trigger data
InitTrigger (Triggers (trignum), type, flags);
// link trigger to the wall
Walls (wallnum)->trigger = (UINT8) trignum;
// update number of Triggers ()
GameInfo ().triggers.count++;
AutoLinkExitToReactor();
theApp.UnlockUndo ();
theApp.MineView ()->Refresh ();
return Triggers (trignum);
}
void CMine::AutoLinkExitToReactor ()
{
INT16 linknum,control,num_links,segnum,sidenum;
UINT16 wallnum;
INT8 trignum;
bool found;
control = 0; // only 0 used by the game Descent
control_center_trigger *ccTrigger = CCTriggers (control);
theApp.SetModified (TRUE);
theApp.LockUndo ();
// remove items from list that do not point to a wall
for (linknum = 0; linknum < ccTrigger->num_links; linknum++) {
num_links = ccTrigger->num_links;
segnum = ccTrigger->seg [linknum];
sidenum = ccTrigger->side [linknum];
// search for Walls () that have a exit of type trigger
found = FALSE;
for (wallnum=0;wallnum<GameInfo ().walls.count;wallnum++) {
if (Walls (wallnum)->segnum == segnum && Walls (wallnum)->sidenum == sidenum) {
found = TRUE;
break;
}
}
if (!found) {
if (num_links > 0) { // just in case
// move last link into this deleted link's spot
ccTrigger->seg [linknum] = ccTrigger->seg [num_links-1];
ccTrigger->side [linknum] = ccTrigger->side [num_links-1];
ccTrigger->seg [num_links-1] = 0;
ccTrigger->side [num_links-1] = 0;
ccTrigger->num_links--;
}
}
}
// add exit to list if not already in list
// search for Walls () that have a exit of type trigger
num_links = ccTrigger->num_links;
for (wallnum = 0; wallnum < GameInfo ().walls.count; wallnum++) {
trignum = Walls (wallnum)->trigger;
if (trignum >= 0 && trignum <GameInfo ().triggers.count) {
if ((file_type == RDL_FILE) ?
Triggers (trignum)->flags & (TRIGGER_EXIT | TRIGGER_SECRET_EXIT) :
Triggers (trignum)->type == TT_EXIT || Triggers (trignum)->type == TT_SECRET_EXIT) {
// see if cube,side is already on the list
segnum = (INT16)Walls (wallnum)->segnum;
sidenum =(INT16)Walls (wallnum)->sidenum;
found = FALSE;
for (linknum = 0; linknum < num_links; linknum++) {
if (segnum == ccTrigger->seg [linknum] && sidenum == ccTrigger->side [linknum]) {
found = TRUE;
break;
}
}
// if not already on the list, add it
if (!found) {
linknum = ccTrigger->num_links;
ccTrigger->seg [linknum] = segnum;
ccTrigger->side [linknum] = sidenum;
ccTrigger->num_links++;
}
}
}
}
theApp.UnlockUndo ();
}
bool Visited (location_t location)
{
return (Walls (location) & VISITED) == VISITED;
}
bool HasExit (location_t location, direction_t direction)
{
walls_t walls = Walls (location);
return !WallExists (walls, direction);
}