/*
COLLISION_USAGE.C

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*/

/* ---------- headers */

#include "cseries.h"
#include "collision_usage.h"

/* ---------- constants */

enum
{
	NUMBER_OF_COLLISION_TIME_PERIODS = 3
};

/* ---------- macros */

/* ---------- structures */

struct collision_log
{
	long calls;
	__int64 elapsed_time;
};

struct collision_function
{
	struct collision_log total_all_users;
	struct collision_log usage_by_user[NUMBER_OF_COLLISION_USER_TYPES];
};

struct collision_period
{
	boolean reset_upon_next_use;
	boolean valid;
	long period_count;
	struct collision_function function[NUMBER_OF_COLLISION_FUNCTION_TYPES];
};

/* ---------- prototypes */

/* ---------- globals */

char const *global_collision_function_names[] =
{
	"vector-structure",
	"vector-objects",
	"features-in-sphere",
	"model-vector",
	"object-bsp-vector",
	"structure-bsp-vector",
	"object-bsp-sphere",
	"structure-bsp-sphere",
	NULL
};

char const *global_collision_user_names[] =
{
	"????",
	"ai-look",
	"ai-los",
	"ai-comm",
	"ai-fire",
	"ai-melee",
	"aim",
	"biped",
	"melee",
	"decal",
	"areadmg",
	"item",
	"obsrv",
	"pt-phys",
	"proj",
	"light",
	"sound",
	"veh",
	"limp",
	"object",
	"ui",
	"debug",
	NULL
};

boolean global_collision_log_enable = TRUE;
short collision_usage_current_period = NONE;

boolean collision_log_render_enable = FALSE;
boolean collision_log_detailed = FALSE;
boolean collision_log_extended = FALSE;
boolean collision_log_totals_only = FALSE;
boolean collision_log_time = FALSE;

short global_current_collision_user_depth = 0;

short global_current_collision_users[MAXIMUM_COLLISION_USER_STACK_DEPTH];

struct collision_period collision_usage_buffer[NUMBER_OF_COLLISION_TIME_PERIODS];
struct collision_period collision_usage_current;

/* ---------- public code */

void collision_log_initialize(
	void)
{
	memset(&collision_usage_buffer, 0, sizeof(collision_usage_buffer));

	match_assert("c:\\halo\\SOURCE\\physics\\collision_usage.c", 150, global_current_collision_user_depth < MAXIMUM_COLLISION_USER_STACK_DEPTH);

	global_current_collision_users[global_current_collision_user_depth] = 0;
	global_current_collision_user_depth = global_current_collision_user_depth + 1;

	return;
}

void collision_log_enable(
	boolean enable)
{
	global_collision_log_enable = enable;

	return;
}

static void collision_log_store_period(
	short time_period,
	boolean unused)
{
	match_assert("c:\\halo\\SOURCE\\physics\\collision_usage.c", 167, collision_usage_current_period == NONE);
	match_assert("c:\\halo\\SOURCE\\physics\\collision_usage.c", 168, (time_period >= 0) && (time_period < NUMBER_OF_COLLISION_TIME_PERIODS));

	memset(&collision_usage_current, 0, sizeof(collision_usage_current));
	collision_usage_current_period = time_period;

	return;
}

void collision_log_begin_period(
	short time_period)
{
	collision_log_store_period(time_period, TRUE);

	return;
}

void collision_log_continue_period(
	short time_period)
{
	collision_log_store_period(time_period, FALSE);

	return;
}

void collision_log_end_period(
	void)
{
	match_assert("c:\\halo\\SOURCE\\physics\\collision_usage.c", 198,
		(collision_usage_current_period >= 0) && (collision_usage_current_period < NUMBER_OF_COLLISION_TIME_PERIODS));

	collision_usage_current.reset_upon_next_use = TRUE;

	collision_usage_buffer[collision_usage_current_period] = collision_usage_current;
	collision_usage_current_period = NONE;

	return;
}

/* ---------- private code */