/
CELL.CPP
3331 lines (2949 loc) · 140 KB
/
CELL.CPP
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//
// Copyright 2020 Electronic Arts Inc.
//
// TiberianDawn.DLL and RedAlert.dll and corresponding source code is free
// software: you can redistribute it and/or modify it under the terms of
// the GNU General Public License as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
// TiberianDawn.DLL and RedAlert.dll and corresponding source code is distributed
// in the hope that it will be useful, but with permitted additional restrictions
// under Section 7 of the GPL. See the GNU General Public License in LICENSE.TXT
// distributed with this program. You should have received a copy of the
// GNU General Public License along with permitted additional restrictions
// with this program. If not, see https://github.com/electronicarts/CnC_Remastered_Collection
/* $Header: /CounterStrike/CELL.CPP 4 3/14/97 1:15p Joe_b $ */
/***********************************************************************************************
*** C O N F I D E N T I A L --- W E S T W O O D S T U D I O S ***
***********************************************************************************************
* *
* Project Name : Command & Conquer *
* *
* File Name : CELL.CPP *
* *
* Programmer : Joe L. Bostic *
* *
* Start Date : April 29, 1994 *
* *
* Last Update : October 6, 1996 [JLB] *
* *
*---------------------------------------------------------------------------------------------*
* Functions: *
* CellClass::Adjacent_Cell -- Determines the adjacent cell according to facing. *
* CellClass::Adjust_Threat -- Allows adjustment of threat at cell level *
* CellClass::Can_Tiberium_Germinate -- Determines if Tiberium can begin growth in the cell. *
* CellClass::Can_Tiberium_Grow -- Determines if Tiberium can grow in this cell. *
* CellClass::Can_Tiberium_Spread -- Determines if Tiberium can spread from this cell. *
* CellClass::CellClass -- Constructor for cell objects. *
* CellClass::Cell_Building -- Return with building at specified cell. *
* CellClass::Cell_Color -- Determine what radar color to use for this cell. *
* CellClass::Cell_Coord -- Returns the coordinate of this cell. *
* CellClass::Cell_Find_Object -- Returns ptr to RTTI type occupying cell *
* CellClass::Cell_Infantry -- Returns with pointer of first infantry unit. *
* CellClass::Cell_Object -- Returns with clickable object in cell. *
* CellClass::Cell_Techno -- Return with the unit/building at specified cell. *
* CellClass::Cell_Terrain -- Determines terrain object in cell. *
* CellClass::Cell_Unit -- Returns with pointer to unit occupying cell. *
* CellClass::Cell_Vessel -- Returns with pointer to a vessel located in the cell. *
* CellClass::Clear_Icon -- Calculates what the clear icon number should be. *
* CellClass::Closest_Free_Spot -- returns free spot closest to given coord *
* CellClass::Concrete_Calc -- Calculates the concrete icon to use for the cell. *
* CellClass::Draw_It -- Draws the cell imagery at the location specified. *
* CellClass::Flag_Place -- Places a house flag down on the cell. *
* CellClass::Flag_Remove -- Removes the house flag from the cell. *
* CellClass::Goodie_Check -- Performs crate discovery logic. *
* CellClass::Grow_Tiberium -- Grows the tiberium in the cell. *
* CellClass::Incoming -- Causes objects in cell to "run for cover". *
* CellClass::Is_Bridge_Here -- Checks to see if this is a bridge occupied cell. *
* CellClass::Is_Clear_To_Build -- Determines if cell can be built upon. *
* CellClass::Is_Clear_To_Move -- Determines if the cell is generally clear for travel *
* CellClass::Occupy_Down -- Flag occupation of specified cell. *
* CellClass::Occupy_Up -- Removes occupation flag from the specified cell. *
* CellClass::Overlap_Down -- This routine is used to mark a cell as being spilled over (over*
* CellClass::Overlap_Unit -- Marks cell as being overlapped by unit. *
* CellClass::Overlap_Up -- Removes overlap flag for the cell. *
* CellClass::Read -- Reads a particular cell value from a save game file. *
* CellClass::Recalc_Attributes -- Recalculates the ground type attributes for the cell. *
* CellClass::Redraw_Objects -- Redraws all objects overlapping this cell. *
* CellClass::Reduce_Tiberium -- Reduces the tiberium in the cell by the amount specified. *
* CellClass::Reduce_Wall -- Damages a wall, if damage is high enough. *
* CellClass::Reserve_Cell -- Marks a cell as being occupied by the specified unit ID. *
* CellClass::Shimmer -- Causes all objects in the cell to shimmer. *
* CellClass::Spot_Index -- returns cell sub-coord index for given COORDINATE *
* CellClass::Spread_Tiberium -- Spread Tiberium from this cell to an adjacent cell. *
* CellClass::Tiberium_Adjust -- Adjust the look of the Tiberium for smooth. *
* CellClass::Wall_Update -- Updates the imagery for wall objects in cell. *
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
#include "function.h"
#include "vortex.h"
/*
** New sidebar for GlyphX multiplayer. ST - 8/2/2019 2:50PM
*/
#include "SidebarGlyphx.h"
/***********************************************************************************************
* CellClass::CellClass -- Constructor for cell objects. *
* *
* A cell object is constructed into an empty state. It contains no specific objects, *
* templates, or overlays. *
* *
* INPUT: none *
* *
* OUTPUT: none *
* *
* WARNINGS: none *
* *
* HISTORY: *
* 08/09/1994 JLB : Created. *
* 02/20/1996 JLB : Uses initializer list. *
*=============================================================================================*/
CellClass::CellClass(void) :
ID(Map.ID(this)),
IsPlot(false),
IsCursorHere(false),
IsMapped(false),
IsVisible(false),
IsWaypoint(false),
IsRadarCursor(false),
IsFlagged(false),
IsToShroud(false),
Jammed(0),
Trigger(NULL),
TType(TEMPLATE_NONE),
TIcon(0),
Overlay(OVERLAY_NONE),
OverlayData(0),
Smudge(SMUDGE_NONE),
SmudgeData(0),
Owner(HOUSE_NONE),
InfType(HOUSE_NONE),
OccupierPtr(0),
Land(LAND_CLEAR),
OverrideLand(LAND_NONE),
IsMappedByPlayerMask(0),
IsVisibleByPlayerMask(0),
CTFFlag(NULL)
{
for (int zone = MZONE_FIRST; zone < MZONE_COUNT; zone++) {
Zones[zone] = 0;
}
Flag.Composite = 0;
for (int index = 0; index < ARRAY_SIZE(Overlapper); index++) {
Overlapper[index] = 0;
}
}
/***********************************************************************************************
* CellClass::Cell_Color -- Determine what radar color to use for this cell. *
* *
* Use this routine to determine what radar color to render a radar *
* pixel with. This routine is called many many times to render the *
* radar map, so it must be fast. *
* *
* INPUT: none *
* *
* OUTPUT: Returns with the color to display the radar pixel with. *
* *
* WARNINGS: none *
* *
* HISTORY: *
* 03/01/1994 JLB : Created. *
* 04/30/1994 JLB : Converted to member function. *
* 05/31/1994 JLB : Takes into account any stealth characteristics of object. *
*=============================================================================================*/
int CellClass::Cell_Color(bool override) const
{
assert((unsigned)Cell_Number() <= MAP_CELL_TOTAL);
BuildingClass * object = Cell_Building();
if (object && !object->Class->IsInvisible) {
return(ColorRemaps[object->House->RemapColor].Bar);
}
if (override) {
return(TBLACK);
}
if (LastTheater == THEATER_SNOW) {
return(::SnowColor[Land_Type()]);
} else {
return(::GroundColor[Land_Type()]);
}
}
/***********************************************************************************************
* CellClass::Cell_Techno -- Return with the unit/building at specified cell. *
* *
* Returns an object located in the cell. If there is a *
* building present, it returns a pointer to that, otherwise it returns *
* a pointer to one of the units there. If nothing is present in the *
* specified cell, then it returns NULL. *
* *
* INPUT: x,y -- Coordinate offset (from upper left corner) to use as an aid in selecting *
* the desired object within the cell. *
* *
* OUTPUT: Returns a pointer to a building or unit located in cell. If *
* nothing present, just returns NULL. *
* *
* WARNINGS: none *
* *
* HISTORY: *
* 08/05/1992 JLB : Created. *
* 04/30/1994 JLB : Converted to member function. *
*=============================================================================================*/
TechnoClass * CellClass::Cell_Techno(int x, int y) const
{
assert((unsigned)Cell_Number() <= MAP_CELL_TOTAL);
ObjectClass * object;
COORDINATE click; // Coordinate of click relative to cell corner.
TechnoClass * close = NULL;
long distance = 0; // Recorded closest distance.
/*
** Create a coordinate value that represent the pixel location within the cell. This is
** actually the lower significant bits (leptons) of a regular coordinate value.
*/
click = XY_Coord(Pixel_To_Lepton(x), Pixel_To_Lepton(y));
if (Cell_Occupier()) {
object = Cell_Occupier();
while (object && object->IsActive) {
if (object->Is_Techno()) {
COORDINATE coord = Coord_Fraction(object->Center_Coord());
long dist = Distance(coord, click);
if (!close || dist < distance) {
close = (TechnoClass *)object;
distance = dist;
}
}
object = object->Next;
}
}
return(close);
}
/***************************************************************************
* CellClass::Cell_Find_Object -- Returns ptr to RTTI type occupying cell *
* *
* INPUT: RTTIType the RTTI type we are searching for *
* *
* OUTPUT: none *
* *
* WARNINGS: none *
* *
* HISTORY: *
* 03/17/1995 PWG : Created. *
* 06/12/1995 JLB : Returns object class pointer. *
*=========================================================================*/
ObjectClass * CellClass::Cell_Find_Object(RTTIType rtti) const
{
assert((unsigned)Cell_Number() <= MAP_CELL_TOTAL);
assert(rtti != RTTI_NONE);
ObjectClass * object = Cell_Occupier();
while (object != NULL && object->IsActive) {
if (object->What_Am_I() == rtti) {
return(object);
}
object = object->Next;
}
return(NULL);
}
/***********************************************************************************************
* CellClass::Cell_Building -- Return with building at specified cell. *
* *
* Given a cell, determine if there is a building associated *
* and return with a pointer to this building. *
* *
* INPUT: none *
* *
* OUTPUT: Returns with a pointer to the building associated with the *
* cell. If there is no building associated, then NULL is *
* returned. *
* *
* WARNINGS: none *
* *
* HISTORY: *
* 08/05/1992 JLB : Created. *
* 04/30/1994 JLB : Converted to member function. *
*=============================================================================================*/
BuildingClass * CellClass::Cell_Building(void) const
{
assert((unsigned)Cell_Number() <= MAP_CELL_TOTAL);
return((BuildingClass *)Cell_Find_Object(RTTI_BUILDING));
}
/***********************************************************************************************
* CellClass::Cell_Terrain -- Determines terrain object in cell. *
* *
* This routine is used to determine the terrain object (if any) that *
* overlaps this cell. *
* *
* INPUT: none *
* *
* OUTPUT: Returns with a pointer to the terrain object that overlaps *
* this cell. If there is no terrain object present, then NULL *
* is returned. *
* *
* WARNINGS: none *
* *
* HISTORY: *
* 05/18/1994 JLB : Created. *
*=============================================================================================*/
TerrainClass * CellClass::Cell_Terrain(void) const
{
assert((unsigned)Cell_Number() <= MAP_CELL_TOTAL);
return((TerrainClass *)Cell_Find_Object(RTTI_TERRAIN));
}
/***********************************************************************************************
* CellClass::Cell_Object -- Returns with clickable object in cell. *
* *
* This routine is used to determine which object is to be selected *
* by a player click upon the cell. Not all objects that overlap the *
* cell are selectable by the player. This routine sorts out which *
* is which and returns with the appropriate object pointer. *
* *
* INPUT: x,y -- Coordinate (from upper left corner of cell) to use as a guide when *
* selecting the object within the cell. This plays a role in those cases *
* where several objects (such as infantry) exist within the same cell. *
* *
* OUTPUT: Returns with pointer to the object clickable within the *
* cell. NULL is returned if there is no clickable object *
* present. *
* *
* WARNINGS: none *
* *
* HISTORY: *
* 05/13/1994 JLB : Created. *
*=============================================================================================*/
ObjectClass * CellClass::Cell_Object(int x, int y) const
{
assert((unsigned)Cell_Number() <= MAP_CELL_TOTAL);
ObjectClass * ptr;
/*
** Hack so that aircraft landed on helipads can still be selected if directly
** clicked on.
*/
ptr = (ObjectClass *)Cell_Find_Object(RTTI_AIRCRAFT);
if (ptr) {
return(ptr);
}
ptr = Cell_Techno(x, y);
if (ptr) {
return(ptr);
}
ptr = Cell_Terrain();
if (ptr) return(ptr);
return(ptr);
}
/***********************************************************************************************
* CellClass::Redraw_Objects -- Redraws all objects overlapping this cell. *
* *
* This is a low level routine that marks all objects that overlap this *
* cell to be redrawn. It is necessary to call this routine whenever *
* the underlying icon has to be redrawn. *
* *
* INPUT: forced -- Should this redraw be forced even if flags *
* indicate that it would be redundant? *
* *
* OUTPUT: none *
* *
* WARNINGS: none *
* *
* HISTORY: *
* 05/18/1994 JLB : Created. *
* 06/20/1994 JLB : Simplified to use object pointers. *
* 12/24/1994 JLB : Only checks if cell is in view and not flagged already. *
*=============================================================================================*/
void CellClass::Redraw_Objects(bool forced)
{
assert((unsigned)Cell_Number() <= MAP_CELL_TOTAL);
CELL cell = Cell_Number();
if (Map.In_View(cell) && (forced || !Map.Is_Cell_Flagged(cell))) {
/*
** Flag the icon to be redrawn.
*/
Map.Flag_Cell(cell);
/*
** Flag the main object in the cell to be redrawn.
*/
if (Cell_Occupier() != NULL) {
ObjectClass * optr = Cell_Occupier();
while (optr != NULL && optr->IsActive) {
#ifdef SORTDRAW
if (optr->Is_Techno() && ((TechnoClass *)optr)->Visual_Character() != VISUAL_NORMAL) {
optr->Mark(MARK_CHANGE);
}
#else
optr->Mark(MARK_CHANGE);
#endif
if (optr->Next != NULL && !optr->Next->IsActive) {
optr->Next = NULL;
}
optr = optr->Next;
}
}
#ifdef SORTDRAW
/*
** Flag any overlapping object in this cell to be redrawn.
*/
for (int index = 0; index < ARRAY_SIZE(Overlapper); index++) {
if (Overlapper[index]) {
assert(Overlapper[index]->IsActive);
if (Overlapper[index]->Is_Techno() && ((TechnoClass *)Overlapper[index])->Visual_Character() != VISUAL_NORMAL) {
Overlapper[index]->Mark(MARK_CHANGE);
}
}
}
#else
/*
** Flag any overlapping object in this cell to be redrawn.
*/
for (int index = 0; index < ARRAY_SIZE(Overlapper); index++) {
if (Overlapper[index] != NULL) {
if (!Overlapper[index]->IsActive) {
Overlapper[index] = NULL;
} else {
Overlapper[index]->Mark(MARK_CHANGE);
}
}
}
#endif
}
}
/***********************************************************************************************
* CellClass::Is_Clear_To_Build -- Determines if cell can be built upon. *
* *
* This determines if the cell can become a proper foundation for *
* building placement. *
* *
* INPUT: loco -- The locomotion of the object trying to consider if this cell is *
* generally clear. Buildings use the value of SPEED_NONE. *
* *
* OUTPUT: bool; Is this cell generally clear (usually for building purposes)? *
* *
* WARNINGS: none *
* *
* HISTORY: *
* 05/18/1994 JLB : Created. *
* 06/25/1996 JLB : Handles different locomotion types. *
* 10/05/1996 JLB : Checks for crushable walls and crushable object. *
*=============================================================================================*/
bool CellClass::Is_Clear_To_Build(SpeedType loco) const
{
assert((unsigned)Cell_Number() <= MAP_CELL_TOTAL);
/*
** During scenario initialization, passability is always guaranteed.
*/
if (ScenarioInit) return(true);
/*
** If there is an object there, then don't allow building.
*/
if (Cell_Object() != NULL) {
return(false);
}
/*
** Prevents a building from being placed over a flag object.
*/
#ifdef FIXIT_FLAG_CHECK
if (IsFlagged) {
return(false);
}
#endif
/*
** Walls are always considered to block the terrain for general passability
** purposes. In normal game mode, all overlays are not buildable.
*/
if (Overlay != OVERLAY_NONE && (Overlay == OVERLAY_FLAG_SPOT || !Debug_Map || OverlayTypeClass::As_Reference(Overlay).IsWall)) {
return(false);
}
/*
** Building over a bib is not allowed.
*/
if (Smudge != SMUDGE_NONE && SmudgeTypeClass::As_Reference(Smudge).IsBib /* && Owner != HOUSE_NONE*/) {
return(false);
}
/*
** Building on certain kinds of terrain is prohibited -- bridges in particular.
** If the locomotion type is SPEED_NONE, then this check is presumed to be
** for the purposes of building.
*/
if (loco == SPEED_NONE) {
if (Is_Bridge_Here()) {
return(false);
}
return(::Ground[Land_Type()].Build);
} else {
if (::Ground[Land_Type()].Cost[loco] == fixed(0)) {
// if (::Ground[Land_Type()].Cost[SPEED_TRACK] == fixed(0)) {
return(false);
}
return(true);
}
}
/***********************************************************************************************
* CellClass::Recalc_Attributes -- Recalculates the ground type attributes for the cell. *
* *
* This routine recalculates the ground type in the cell. The speeds the find path *
* algorithm and other determinations of the cell type. *
* *
* INPUT: none *
* *
* OUTPUT: none *
* *
* WARNINGS: none *
* *
* HISTORY: *
* 05/29/1994 JLB : Created. *
* 06/20/1994 JLB : Knows about template pointer in cell object. *
*=============================================================================================*/
void CellClass::Recalc_Attributes(void)
{
assert((unsigned)Cell_Number() <= MAP_CELL_TOTAL);
/*
** Special override for interior terrain set so that a non-template or a clear template
** is equivalent to impassable rock.
*/
if (LastTheater == THEATER_INTERIOR) {
if (TType == TEMPLATE_NONE || TType == TEMPLATE_CLEAR1) {
Land = LAND_ROCK;
return;
}
}
/*
** Check for wall effects.
*/
if (Overlay != OVERLAY_NONE) {
Land = OverlayTypeClass::As_Reference(Overlay).Land;
if (Land != LAND_CLEAR) return;
}
/*
** If there is a template associated with this cell, then fetch the
** land type given the template type and icon number.
*/
if (TType != TEMPLATE_NONE && TType != 255) {
TemplateTypeClass const * ttype = &TemplateTypeClass::As_Reference(TType);
Land = ttype->Land_Type(TIcon);
return;
}
/*
** No template is the same as clear terrain.
*/
Land = LAND_CLEAR;
}
/***********************************************************************************************
* CellClass::Occupy_Down -- Flag occupation of specified cell. *
* *
* This routine is used to mark the cell as being occupied by the specified object. *
* *
* INPUT: object -- The object that is to occupy the cell *
* *
* OUTPUT: none *
* *
* WARNINGS: none *
* *
* HISTORY: *
* 07/18/1994 JLB : Created. *
* 11/29/1994 JLB : Simplified. *
*=============================================================================================*/
void CellClass::Occupy_Down(ObjectClass * object)
{
assert((unsigned)Cell_Number() <= MAP_CELL_TOTAL);
assert(object != NULL && object->IsActive);
ObjectClass * optr;
if (object == NULL) return;
/*
** Always add buildings to the end of the occupation chain. This is necessary because
** the occupation chain is a single list even though buildings occupy more than one
** cell. If more than one building is allowed to occupy the same cell, then this chain
** logic will fail.
*/
if (object->What_Am_I() == RTTI_BUILDING && Cell_Occupier()) {
optr = Cell_Occupier();
while (optr->Next != NULL) {
assert(optr != object);
assert(optr->What_Am_I() != RTTI_BUILDING);
optr = optr->Next;
}
optr->Next = object;
object->Next = 0;
} else {
object->Next = Cell_Occupier();
OccupierPtr = object;
}
Map.Radar_Pixel(Cell_Number());
/*
** If being placed down on a visible square, then flag this
** techno object as being revealed to the player.
*/
// Changes for client/server multiplayer. ST - 8/2/2019 2:51PM
//if (IsMapped || Session.Type != GAME_NORMAL) {
// object->Revealed(PlayerPtr);
//}
if (Session.Type != GAME_GLYPHX_MULTIPLAYER) {
if (IsMapped || Session.Type != GAME_NORMAL) {
object->Revealed(PlayerPtr);
}
} else {
for (int i = 0; i < Session.Players.Count(); i++) {
HousesType house_type = Session.Players[i]->Player.ID;
if (Is_Visible(house_type)) {
HouseClass *house = HouseClass::As_Pointer(house_type);
object->Revealed(house);
}
}
}
/*
** Special occupy bit set.
*/
switch (object->What_Am_I()) {
case RTTI_BUILDING:
Flag.Occupy.Building = true;
break;
case RTTI_VESSEL:
case RTTI_AIRCRAFT:
case RTTI_UNIT:
Flag.Occupy.Vehicle = true;
break;
case RTTI_TERRAIN:
Flag.Occupy.Monolith = true;
break;
default:
break;
}
}
/***********************************************************************************************
* CellClass::Occupy_Up -- Removes occupation flag from the specified cell. *
* *
* This routine will lift the object from the cell and free the cell to be occupied by *
* another object. Only if the cell was previously marked with the object specified, will *
* the object be lifted off. This routine is the counterpart to Occupy_Down(). *
* *
* INPUT: object -- The object that is being lifted off. *
* *
* OUTPUT: none *
* *
* WARNINGS: none *
* *
* HISTORY: *
* 07/18/1994 JLB : Created. *
* 11/29/1994 JLB : Fixed to handle next pointer in previous object. *
*=============================================================================================*/
void CellClass::Occupy_Up(ObjectClass * object)
{
assert((unsigned)Cell_Number() <= MAP_CELL_TOTAL);
assert(object != NULL && object->IsActive);
if (object == NULL) return;
ObjectClass * optr = Cell_Occupier(); // Working pointer to the objects in the chain.
if (optr == object) {
OccupierPtr = object->Next;
object->Next = 0;
} else {
bool found = false;
while (optr != NULL) {
if (optr->Next == object) {
optr->Next = object->Next;
object->Next = 0;
found = true;
break;
}
optr = optr->Next;
}
// assert(found);
}
Map.Radar_Pixel(Cell_Number());
/*
** Special occupy bit clear.
*/
switch (object->What_Am_I()) {
case RTTI_BUILDING:
Flag.Occupy.Building = false;
break;
case RTTI_VESSEL:
case RTTI_AIRCRAFT:
case RTTI_UNIT:
Flag.Occupy.Vehicle = false;
break;
case RTTI_TERRAIN:
Flag.Occupy.Monolith = false;
break;
default:
break;
}
}
/***********************************************************************************************
* CellClass::Overlap_Down -- This routine is used to mark a cell as being spilled over (overla*
* *
* Most game objects can often have their graphic imagery spill into more than one cell *
* even though they are considered to "occupy" only one cell. All cells overlapped are *
* flagged by this routine. Using this information it is possible to keep the tactical map *
* display correct. *
* *
* INPUT: object -- The object to mark as overlapping this cell. *
* *
* OUTPUT: none *
* *
* WARNINGS: none *
* *
* HISTORY: *
* 07/18/1994 JLB : Created. *
* 07/04/1995 JLB : Ensures that buildings are always marked down. *
*=============================================================================================*/
void CellClass::Overlap_Down(ObjectClass * object)
{
assert((unsigned)Cell_Number() <= MAP_CELL_TOTAL);
assert(object != NULL && object->IsActive);
ObjectClass ** ptr = 0;
if (!object) return;
int index;
for (index = 0; index < ARRAY_SIZE(Overlapper); index++) {
if (Overlapper[index] == object) return;
if (!Overlapper[index]) ptr = &Overlapper[index];
}
/*
** Buildings must ALWAYS succeed in marking the cell as overlapped. Bump somebody
** else out in this case.
*/
if (!ptr && object->What_Am_I() == RTTI_BUILDING) {
for (index = 0; index < ARRAY_SIZE(Overlapper); index++) {
switch (Overlapper[index]->What_Am_I()) {
case RTTI_BUILDING:
case RTTI_TERRAIN:
break;
default:
Overlapper[index] = object;
index = ARRAY_SIZE(Overlapper);
break;
}
}
}
if (ptr) *ptr = object;
/*
** If being placed down on a visible square, then flag this
** techno object as being revealed to the player.
*/
if (IsMapped) {
object->Revealed(PlayerPtr);
}
}
/***********************************************************************************************
* CellClass::Overlap_Up -- Removes overlap flag for the cell. *
* *
* This is the counterpart to Overlap_Down and is used to remove the overlap flag for the *
* specified unit on the cell. *
* *
* INPUT: object -- The object to remove the overlap flag for. *
* *
* OUTPUT: none *
* *
* WARNINGS: none *
* *
* HISTORY: *
* 07/18/1994 JLB : Created. *
*=============================================================================================*/
void CellClass::Overlap_Up(ObjectClass * object)
{
assert((unsigned)Cell_Number() <= MAP_CELL_TOTAL);
assert(object != NULL && object->IsActive);
for (int index = 0; index < ARRAY_SIZE(Overlapper); index++) {
if (Overlapper[index] == object) {
Overlapper[index] = 0;
break;
}
}
}
/***********************************************************************************************
* CellClass::Cell_Unit -- Returns with pointer to unit occupying cell. *
* *
* This routine will determine if a unit is occupying the cell and if so, return a pointer *
* to it. If there is no unit occupying the cell, then NULL is returned. *
* *
* INPUT: none *
* *
* OUTPUT: Returns with pointer to unit occupying cell, else NULL. *
* *
* WARNINGS: none *
* *
* HISTORY: *
* 07/18/1994 JLB : Created. *
*=============================================================================================*/
UnitClass * CellClass::Cell_Unit(void) const
{
assert((unsigned)Cell_Number() <= MAP_CELL_TOTAL);
return((UnitClass*)Cell_Find_Object(RTTI_UNIT));
}
/***********************************************************************************************
* CellClass::Cell_Vessel -- Returns with pointer to a vessel located in the cell. *
* *
* Call this routine to query and return a pointer to a vessel located in the cell. If *
* there is no vessel present, then this routine will return NULL. *
* *
* INPUT: none *
* *
* OUTPUT: Returns with a pointer to the vessel class object if one is present. *
* *
* WARNINGS: none *
* *
* HISTORY: *
* 05/20/1996 JLB : Created. *
*=============================================================================================*/
VesselClass * CellClass::Cell_Vessel(void) const
{
assert((unsigned)Cell_Number() <= MAP_CELL_TOTAL);
return((VesselClass*)Cell_Find_Object(RTTI_VESSEL));
}
/***********************************************************************************************
* CellClass::Cell_Infantry -- Returns with pointer of first infantry unit occupying the cell. *
* *
* This routine examines the cell and returns a pointer to the first infantry unit *
* that occupies it. If there is no infantry unit in the cell, then NULL is returned. *
* *
* INPUT: none *
* *
* OUTPUT: Returns with pointer to infantry unit occupying the cell or NULL if none are *
* present. *
* *
* WARNINGS: none *
* *
* HISTORY: *
* 12/21/1994 JLB : Created. *
*=============================================================================================*/
InfantryClass * CellClass::Cell_Infantry(void) const
{
assert((unsigned)Cell_Number() <= MAP_CELL_TOTAL);
return((InfantryClass*)Cell_Find_Object(RTTI_INFANTRY));
}
#ifdef SORTDRAW
static bool _Calc_Partial_Window(int cellx, int celly, int & drawx, int & drawy)
{
int & px = WindowList[WINDOW_PARTIAL][WINDOWX];
int & py = WindowList[WINDOW_PARTIAL][WINDOWY];
int & pw = WindowList[WINDOW_PARTIAL][WINDOWWIDTH];
int & ph = WindowList[WINDOW_PARTIAL][WINDOWHEIGHT];
int & tx = WindowList[WINDOW_TACTICAL][WINDOWX];
int & ty = WindowList[WINDOW_TACTICAL][WINDOWY];
int & tw = WindowList[WINDOW_TACTICAL][WINDOWWIDTH];
int & th = WindowList[WINDOW_TACTICAL][WINDOWHEIGHT];
px = cellx + tx;
py = celly + ty;
pw = CELL_PIXEL_W;
ph = CELL_PIXEL_H;
if (px < tx) {
pw -= tx - px;
px = tx;
}
if (pw < 1) return(false);
if (py < ty) {
ph -= ty - py;
py = ty;
}
if (ph < 1) return(false);
if (px + pw > tx + tw) {
pw -= (px + pw) - (tx + tw);
}
if (pw < 1) return(false);
if (py + ph > ty + th) {
ph -= (py + ph) - (ty + th);
}
if (ph < 1) return(false);
drawx = drawx - (px-tx);
drawy = drawy - (py-ty);
return(true);
}
static int _ocompare(const void * left, const void * right)
{
COORDINATE lcoord = (*((ObjectClass **)left))->Sort_Y();
COORDINATE rcoord = (*((ObjectClass **)right))->Sort_Y();
if (lcoord < rcoord) return(-1);
if (lcoord > rcoord) return(1);
return(0);
}
#endif
/***********************************************************************************************
* CellClass::Get_Template_Info -- Get some info about a template for external use *
* *
* *
* *
* *
* INPUT: Ref to info required *
* *
* OUTPUT: True if image info available *
* *
* *
* WARNINGS: none *
* *
* HISTORY: *
* 1/10/2019 5:57PM ST : Created. *
*=============================================================================================*/
bool CellClass::Get_Template_Info(char *template_name, int &icon, void *&image_data)
{
TemplateTypeClass const *ttype = NULL;
if (TType != TEMPLATE_NONE && TType != TEMPLATE_CLEAR1 && TType != 255) { // Not sure why it's checking for 255 here since that's a valid tile type. ST - 6/4/2019
ttype = &TemplateTypeClass::As_Reference(TType);
icon = TIcon;
}
else {
ttype = &TemplateTypeClass::As_Reference(TEMPLATE_CLEAR1);
icon = Clear_Icon();
}
if (ttype) {
strcpy(template_name, ttype->IniName);
image_data = (void*)ttype->ImageData;
return true;
}
return false;
}
/***********************************************************************************************
* CellClass::Draw_It -- Draws the cell imagery at the location specified. *