	4b825dc642cb6eb9a060e54bf8d69288fbee4904		94a6641b73026d662261604d7d192beae70b11dc
		1	#include "system.h"
		2	#include "prototyp.h"
		3	#include "stratdef.h"
		4	#include "particle.h"
		5	#include "sfx.h"
		6	#include "corpse.h"
		7	#include "lighting.h"
		8	#include <stdio.h>
		9	#include <assert.h>
		10
		11	static SFXBLOCK SfxBlockStorage[MAX_NO_OF_SFX_BLOCKS];
		12	static int NumFreeSfxBlocks;
		13	static SFXBLOCK *FreeSfxBlockList[MAX_NO_OF_SFX_BLOCKS];
		14	static SFXBLOCK **FreeSfxBlockListPtr;
		15
		16	void InitialiseSfxBlocks()
		17	{
		18	SFXBLOCK *freeBlockPtr = SfxBlockStorage;
		19	int blk = 0;
		20
		21	for(; blk < MAX_NO_OF_SFX_BLOCKS; blk++)
		22	FreeSfxBlockList[blk] = freeBlockPtr++;
		23
		24	FreeSfxBlockListPtr = &FreeSfxBlockList[MAX_NO_OF_SFX_BLOCKS-1];
		25	NumFreeSfxBlocks = MAX_NO_OF_SFX_BLOCKS;
		26	}
		27
		28	SFXBLOCK* AllocateSfxBlock()
		29	{
		30	SFXBLOCK *sfxPtr;
		31
		32	if (NumFreeSfxBlocks)
		33	{
		34	sfxPtr = *FreeSfxBlockListPtr--;
		35	NumFreeSfxBlocks--;
		36	}
		37	else
		38	{
		39	/* unable to allocate a sfxamics block I'm afraid; MAX_NO_OF_SFX_BLOCKS is too low */
		40	printf("No Free SFX blocks!\n");
		41	sfxPtr = NULL;
		42	}
		43
		44	return sfxPtr;
		45	}
		46
		47	void DeallocateSfxBlock(SFXBLOCK *sfxPtr)
		48	{
		49	*(++FreeSfxBlockListPtr) = sfxPtr;
		50	NumFreeSfxBlocks++;
		51	}
		52
		53	DISPLAYBLOCK *CreateSFXObject(enum SFX_ID sfxID)
		54	{
		55	DISPLAYBLOCK *dispPtr = CreateActiveObject();
		56
		57	if (dispPtr)
		58	{
		59	SFXBLOCK *sfxPtr = AllocateSfxBlock();
		60
		61	if (sfxPtr)
		62	{
		63	dispPtr->SfxPtr = sfxPtr;
		64	sfxPtr->SfxID = sfxID;
		65	}
		66	else
		67	{
		68	/* damn, we've got a DISPLAYBLOCK, but were unable to get a SFXBLOCK;
		69	this means we must dealloc the DISPLAYBLOCK and return NULL to indicate
		70	failure.
		71	*/
		72	DestroyActiveObject(&dispPtr);
		73	}
		74	}
		75
		76	return dispPtr;
		77	}