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CnC_Remastered_Collection/TIBERIANDAWN/CELL.H

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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: F:\projects\c&c\vcs\code\cell.h_v 2.20 16 Oct 1995 16:45:36 JOE_BOSTIC $ */
/***********************************************************************************************
*** 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.H *
* *
* Programmer : Joe L. Bostic *
* *
* Start Date : April 29, 1994 *
* *
* Last Update : April 29, 1994 [JLB] *
* *
*---------------------------------------------------------------------------------------------*
* Functions: *
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
#ifndef CELL_H
#define CELL_H
#include "building.h"
#include "unit.h"
#include "template.h"
/****************************************************************************
** Each cell on the map is controlled by the following structure.
*/
class CellClass
{
public:
/*
** Does this cell need to be updated on the radar map? If something changes in the cell
** that might change the radar map imagery, then this flag will be set. It gets cleared
** when the cell graphic is updated to the radar map.
*/
unsigned IsPlot:1;
/*
** Does this cell contain the special placement cursor graphic? This graphic is
** present when selecting a site for building placement.
*/
unsigned IsCursorHere:1;
/*
** Is this cell mapped by the player? A mapped cell is visible. An unmapped cell
** is covered in a dark shroud. In addition to visibility, mapped cells are the only
** legal place for transports to land.
*/
unsigned IsMapped:1;
/*
** If any part of this cell is visible (even just peeking out from under the shadow),
** this this flag will be true. Mapped cells always have this flag set, but unmapped
** cells might not -- it depends on where the shadow edge is located.
*/
unsigned IsVisible:1;
/*
** Every cell can be assigned a trigger. The same trigger can be assigned to
** multiple cells. This bitflag indicates whether this cell has a trigger.
** The trigger pointers for all cells must be stored elsewhere.
*/
unsigned IsTrigger:1;
/*
** Every cell can be assigned a waypoint. A waypoint can only be assigned
** to one cell, and vice-versa. This bit simply indicates whether this
** cell is assigned a waypoint or not.
*/
unsigned IsWaypoint:1;
/*
** Is this cell currently under the radar map cursor? If so then it
** needs to be updated whenever the map is updated.
*/
unsigned IsRadarCursor:1;
/*
** If this cell contains a house flag, then this will be true. The actual house
** flag it contains is specified by the Owner field.
*/
unsigned IsFlagged:1;
/*
** This contains the icon number and set to use for the base
** of the terrain. All rendering on an icon occurs AFTER the icon
** specified by this element is rendered. It is the lowest of the low.
*/
TemplateType TType;
unsigned char TIcon;
/*
** The second layer of 'terrain' icons is represented by a simple
** type number and a value byte. This is sufficient for handling
** concrete and walls.
*/
OverlayType Overlay;
unsigned char OverlayData;
/*
** This is used to specify any special 'stain' overlay icon. This
** typically includes infantry bodies or other temporary marks.
*/
SmudgeType Smudge;
unsigned char SmudgeData;
/*
** Smudges and walls need to record ownership values. For walls, this
** allows adjacent building placement logic to work. For smudges, it
** allows building over smudges that are no longer attached to buildings
** in addition to fixing the adjacent placement logic.
*/
HousesType Owner;
/*
** This flag tells you what type of infantry currently occupy the
** cell or are moving into it.
*/
HousesType InfType;
/*
** These point to the object(s) that are located in this cell or overlap
** this cell.
*/
ObjectClass *OccupierPtr;
ObjectClass *Overlapper[3];
/*
** Per-player view of whether a cell is mapped. One bit for each house type. ST - 3/5/2019 3:00PM
*/
unsigned int IsMappedByPlayerMask;
/*
** Per-player view of whether a cell is visible. One bit for each house type. ST - 3/5/2019 3:00PM
*/
unsigned int IsVisibleByPlayerMask;
/*
** This array of bit flags is used to indicate which sub positions
** within the cell are either occupied or are soon going to be
** occupied. For vehicles, the cells that the vehicle is passing over
** will be flagged with the vehicle bit. For infantry, the the sub
** position the infantry is stopped at or headed toward will be marked.
** The sub positions it passes over will NOT be marked.
*/
union {
struct {
unsigned Center:1;
unsigned NW:1;
unsigned NE:1;
unsigned SW:1;
unsigned SE:1;
unsigned Vehicle:1; // Reserved for vehicle occupation.
unsigned Monolith:1; // Some immovable blockage is in cell.
unsigned Building:1; // A building of some time (usually blocks movement).
} Occupy;
unsigned char Composite;
} Flag;
//----------------------------------------------------------------
CellClass(void);
~CellClass(void) {};
int operator == (CellClass const & cell) const {return &cell == this;};
/*
** Query functions.
*/
ObjectClass * Cell_Occupier(void) const;
static int Spot_Index(COORDINATE coord);
bool Is_Spot_Free(int spot_index) const {return (! (Flag.Composite & (1 << spot_index)) ); }
COORDINATE Closest_Free_Spot(COORDINATE coord, bool any=false) const;
COORDINATE Free_Spot(void) const {return Closest_Free_Spot(Cell_Coord());};
bool Is_Generally_Clear(bool ignore_cloaked = false) const;
TARGET As_Target(void) const {return ::As_Target(Cell_Number());};
BuildingClass * Cell_Building(void) const;
CellClass const * Adjacent_Cell(FacingType face) const;
CellClass * Adjacent_Cell(FacingType face) {return (CellClass *)((*((CellClass const *)this)).Adjacent_Cell(face));};
COORDINATE Cell_Coord(void) const;
int Cell_Color(bool override=false) const;
CELL Cell_Number(void) const;
LandType Land_Type(void) const {return((OverrideLand != LAND_COUNT) ? OverrideLand : Land);};
ObjectClass * Cell_Find_Object(RTTIType rtti) const;
ObjectClass * Cell_Object(int x=0, int y=0) const;
TechnoClass * Cell_Techno(int x=0, int y=0) const;
TerrainClass * Cell_Terrain(void) const;
UnitClass * Cell_Unit(void) const;
InfantryClass * Cell_Infantry(void) const;
TriggerClass * Get_Trigger(void) const;
int Clear_Icon(void) const;
bool Goodie_Check(FootClass * object);
ObjectClass * Fetch_Occupier(void) const;
bool Get_Template_Info(char *template_name, int &icon, void *&image_data);
/*
** Object placement and removal flag operations.
*/
void Occupy_Down(ObjectClass * object);
void Occupy_Up(ObjectClass * object);
void Overlap_Down(ObjectClass * object);
void Overlap_Up(ObjectClass * object);
bool Flag_Place(HousesType house);
bool Flag_Remove(void);
void Flag_Update(void);
void Flag_Create(void);
void Flag_Destroy(void);
/*
** File I/O.
*/
bool Should_Save(void) const;
bool Save(FileClass & file);
bool Load(FileClass & file);
void Code_Pointers(void);
void Decode_Pointers(void);
/*
** Display and rendering controls.
*/
void Draw_It(int x, int y, int draw_flags = 0) const;
void Redraw_Objects(bool forced=false);
void Shimmer(void);
/*
** Maintenance calculation support.
*/
long Tiberium_Adjust(bool pregame=false);
void Wall_Update(void);
void Concrete_Calc(void);
void Recalc_Attributes(void);
int Reduce_Tiberium(int levels);
int Reduce_Wall(int damage);
void Incoming(COORDINATE threat=0, bool forced = false, bool nokidding = false);
void Adjust_Threat(HousesType house, int threat_value);
int operator != (CellClass const &) const {return 0;};
int Validate(void) const;
/*
** Additional per-player functionality is needed for multiplayer. ST - 3/5/2019 3:03PM
*/
void Set_Mapped(HousesType house, bool set = true);
void Set_Mapped(HouseClass *player, bool set = true);
bool Is_Mapped(HousesType house) const;
bool Is_Mapped(HouseClass *player) const;
void Set_Visible(HousesType house, bool set = true);
void Set_Visible(HouseClass *player, bool set = true);
bool Is_Visible(HousesType house) const;
bool Is_Visible(HouseClass *player) const;
/*
** Override land type to fix passability issues on some maps
*/
void Override_Land_Type(LandType type);
#ifdef USE_RA_AI
/*
** Imported from RA for AI. ST - 7/24/2019 5:36PM
*/
bool Is_Clear_To_Move(bool ignoreinfantry, bool ignorevehicles) const;
#endif
private:
CellClass (CellClass const &) {};
LandType Land; // The land type of this cell.
LandType OverrideLand; // The overriden land type of this cell.
/*
** Points to the flag animation on this cell in CTF games.
*/
AnimClass* CTFFlag;
/*
** Some additional padding in case we need to add data to the class and maintain backwards compatibility for save/load
*/
unsigned char SaveLoadPadding[28];
};
#endif
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