	4b825dc642cb6eb9a060e54bf8d69288fbee4904		ebd360ec63ec976c05699f3180e866b3f69e5472
		1	#include "system.h"
		2	#include "prototyp.h"
		3	#include "stratdef.h"
		4	#include "bh_types.h"
		5	#include "npc_alien.h"
		6	#include "npc_marine.h"
		7	#include "npc_xenoborg.h"
		8	#include "corpse.h"
		9	#include "debris.h"
		10	#include <stdlib.h>
		11	#include <assert.h>
		12
		13	extern int PlayerIdInPlayerList(int Id);
		14	int NumActiveStBlocks = 0;
		15	static int NumFreeStBlocks = 0;
		16	unsigned int IncrementalSBname = 0;
		17
		18	STRATEGYBLOCK *ActiveStBlockList[maxstblocks];
		19	STRATEGYBLOCK FreeStBlockData[maxstblocks];
		20
		21	static STRATEGYBLOCK *FreeStBlockList[maxstblocks];
		22	static STRATEGYBLOCK **FreeStBlockListPtr = &FreeStBlockList[maxstblocks-1];
		23	static STRATEGYBLOCK **ActiveStBlockListPtr = &ActiveStBlockList[0];
		24
		25	void InitialiseStrategyBlocks()
		26	{
		27	for(; NumFreeStBlocks < maxstblocks; NumFreeStBlocks++)
		28	{
		29	FreeStBlockList[NumFreeStBlocks] = &FreeStBlockData[NumFreeStBlocks];
		30	FreeStBlockList[NumFreeStBlocks]->destroyed_but_preserved = 0;
		31	}
		32	}
		33
		34	static const STRATEGYBLOCK Zero_Strategyblock =
		35	{
		36	I_BehaviourNull,
		37	NULL,
		38	NULL,
		39	NULL,
		40	NULL,
		41	NULL,
		42	NULL,
		43	NULL,
		44	{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
		45	0,
		46	0,
		47	0,
		48	0,
		49	0,
		50	{ '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0'},
		51	-1
		52	};
		53
		54	STRATEGYBLOCK* CreateActiveStrategyBlock(AVP_BEHAVIOUR_TYPE type)
		55	{
		56	if(NumFreeStBlocks)
		57	{
		58	NumFreeStBlocks--;
		59
		60	ActiveStBlockListPtr = FreeStBlockListPtr--;
		61	**ActiveStBlockListPtr = Zero_Strategyblock;
		62	ActiveStBlockList[NumActiveStBlocks]->index = NumActiveStBlocks;
		63	NumActiveStBlocks++;
		64	(*ActiveStBlockListPtr)->type = type;
		65	return *ActiveStBlockListPtr++;
		66	}
		67
		68	return NULL;
		69	}
		70
		71	void DestroyActiveStrategyBlock(STRATEGYBLOCK* sb)
		72	{
		73	if ( -1 != sb->index)
		74	{
		75	ActiveStBlockList[sb->index] = ActiveStBlockList[--NumActiveStBlocks];
		76	ActiveStBlockList[NumActiveStBlocks]->index = sb->index;
		77	ActiveStBlockListPtr--;
		78
		79	if(!sb->preserve_until_end_of_level)
		80	{
		81	*(++FreeStBlockListPtr) = sb;
		82	NumFreeStBlocks++;
		83	}
		84	else
		85	{
		86	sb->destroyed_but_preserved = 1;
		87	}
		88
		89	sb->index = -1;
		90	}
		91	}
		92
		93	/*
		94	RWH - function to search thgough the list of active
		95	strat blocks and return the pointer
		96	*/
		97
		98	STRATEGYBLOCK* FindSBWithName(char* id_name)
		99	{
		100	if(id_name)
		101	{
		102	int i = 0;
		103
		104	//If the name is all 0`s I want to return a null pointer - Richard.
		105	for(; i < SB_NAME_LENGTH; i++)
		106	{
		107	if(id_name[i])
		108	{
		109	for(i=0; i < NumActiveStBlocks; i++)
		110	{
		111	STRATEGYBLOCK* sbptr = ActiveStBlockList[i];
		112
		113	if(NAME_ISEQUAL(sbptr->SBname, id_name))
		114	return sbptr;
		115	}
		116	}
		117	}
		118	}
		119
		120	// we have to return null for lifts - so that
		121	// we know that the lift is outside the env
		122	return NULL;
		123	}
		124
		125	void DestroyAllStrategyBlocks()
		126	{
		127	int i;
		128	while(NumActiveStBlocks > 0)
		129	RemoveBehaviourStrategy(ActiveStBlockList[0]);
		130
		131	//get rid of all the strategyblocks that have been preserved until the end of the level
		132
		133	for(i=0; i < maxstblocks; i++)
		134	{
		135	if(FreeStBlockData[i].destroyed_but_preserved)
		136	{
		137	FreeStBlockData[i].destroyed_but_preserved = 0;
		138	FreeStBlockData[i].preserve_until_end_of_level = 0;
		139	*(++FreeStBlockListPtr) = &FreeStBlockData[i];
		140	NumFreeStBlocks++;
		141	}
		142
		143	ActiveStBlockList[i] = NULL;
		144	}
		145	}
		146
		147	void AssignNewSBName(STRATEGYBLOCK *sbPtr)
		148	{
		149	IncrementalSBname++;
		150
		151	if(IncrementalSBname > 0xffffff)
		152	IncrementalSBname = 1;
		153
		154	((int )&sbPtr->SBname[4]) = IncrementalSBname;
		155
		156	if(SinglePlayer != AvP.PlayMode)
		157	{
		158	//modify name to ensure uniqueness between players
		159	extern int AVPDPNetID;
		160	sbPtr->SBname[SB_NAME_LENGTH-1] = + 10 + PlayerIdInPlayerList(AVPDPNetID); /* Just to make sure... */
		161	}
		162	else
		163	{
		164	sbPtr->SBname[SB_NAME_LENGTH-1] = 1; /* Just to make sure... */
		165	}
		166	}