//
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//
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// TiberianDawn.DLL and RedAlert.dll and corresponding source code is distributed
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/* $Header: /CounterStrike/CRATE.CPP 3 3/04/97 3:12p 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 : CRATE.CPP *
* *
* Programmer : Joe L. Bostic *
* *
* Start Date : 08/26/96 *
* *
* Last Update : October 14, 1996 [JLB] *
* *
*---------------------------------------------------------------------------------------------*
* Functions: *
* CrateClass::Create_Crate -- Create a crate in the cell specified. *
* CrateClass::Get_Crate -- Pick up a crate from the cell specified. *
* CrateClass::Put_Crate -- Generates crate overlay at cell specified. *
* CrateClass::Remove_It -- Removes the crate from wherever it is. *
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
#include "function.h"
/***********************************************************************************************
* CrateClass::Remove_It -- Removes the crate from wherever it is. *
* *
* This routine will remove the crate from whereever it happens to be. *
* *
* INPUT: none *
* *
* OUTPUT: bool; Was the crate found and removed? *
* *
* WARNINGS: none *
* *
* HISTORY: *
* 08/26/1996 JLB : Created. *
*=============================================================================================*/
bool CrateClass::Remove_It(void)
{
if (Is_Valid()) {
Get_Crate(Cell);
Make_Invalid();
return(true);
}
return(false);
}
/***********************************************************************************************
* CrateClass::Create_Crate -- Create a crate in the cell specified. *
* *
* This will create a crate in the cell specified. If the crate could not be crated there *
* then 'false' will be returned. *
* *
* INPUT: cell -- The desired cell to place the crate in. *
* *
* OUTPUT: bool; Was the crate created and placed in the cell? *
* *
* WARNINGS: It is quite possible for the crate not to have been placed. Only the most clear *
* locations are valid for crate placement. *
* *
* HISTORY: *
* 08/26/1996 JLB : Created. *
*=============================================================================================*/
bool CrateClass::Create_Crate(CELL cell)
{
/*
** Remove any existing crate that this crate class is tracking.
*/
Remove_It();
/*
** Try to place a new crate at the cell specified.
*/
if (Put_Crate(cell)) {
Cell = cell;
Timer = Random_Pick(Rule.CrateTime * (TICKS_PER_MINUTE/2), Rule.CrateTime * (TICKS_PER_MINUTE*2));
Timer.Start();
return(true);
}
return(false);
}
/***********************************************************************************************
* CrateClass::Put_Crate -- Generates crate overlay at cell specified. *
* *
* This helpter routine will examine the cell and place the appropriate crate type into *
* the cell specified. If the overlay could not be generated, then 'false' is returned. *
* *
* INPUT: cell -- The cell to generate the crate overlay in. *
* *
* OUTPUT: bool; Was the crate overlay generated? *
* *
* WARNINGS: none *
* *
* HISTORY: *
* 08/26/1996 JLB : Created. *
* 10/14/1996 JLB : Takes reference to cell so that tracking can occur. *
*=============================================================================================*/
bool CrateClass::Put_Crate(CELL & cell)
{
int old = ScenarioInit;
ScenarioInit = 0;
if (Map.In_Radar(cell)) {
CellClass * cellptr = &Map[cell];
while (cellptr->Overlay != OVERLAY_NONE && !cellptr->Is_Clear_To_Build(SPEED_FLOAT) && !cellptr->Is_Clear_To_Build(SPEED_FOOT)) {
cell = Map.Pick_Random_Location();
if (Percent_Chance(100 * Rule.WaterCrateChance)) {
cell = Map.Nearby_Location(cell, SPEED_FLOAT);
} else {
cell = Map.Nearby_Location(cell, SPEED_TRACK);
}
cellptr = &Map[cell];
}
if (cellptr->Is_Clear_To_Build(SPEED_FLOAT)) {
new OverlayClass(OVERLAY_WATER_CRATE, cell);
} else {
new OverlayClass(OVERLAY_WOOD_CRATE, cell);
}
ScenarioInit = old;
return(true);
}
ScenarioInit = old;
return(false);
}
/***********************************************************************************************
* CrateClass::Get_Crate -- Pick up a crate from the cell specified. *
* *
* This will remove the crate from the cell specified. *
* *
* INPUT: cell -- The cell to examine and remove any crate overlays present. *
* *
* OUTPUT: bool; Was a crate overlay found and removed? *
* *
* WARNINGS: none *
* *
* HISTORY: *
* 08/26/1996 JLB : Created. *
*=============================================================================================*/
bool CrateClass::Get_Crate(CELL cell)
{
if (Map.In_Radar(cell)) {
CellClass * cellptr = &Map[cell];
if (cellptr->Overlay == OVERLAY_WOOD_CRATE ||
cellptr->Overlay == OVERLAY_STEEL_CRATE ||
cellptr->Overlay == OVERLAY_WATER_CRATE) {
cellptr->Overlay = OVERLAY_NONE;
cellptr->OverlayData = 0;
cellptr->Redraw_Objects();
return(true);
}
}
return(false);
}