perfect-dark/src/game/game_13c510.c

#include <ultra64.h>
#include "lib/sched.h"
#include "constants.h"
#include "game/camera.h"
#include "game/dlights.h"
#include "game/env.h"
#include "game/game_0b2150.h"
#include "game/tex.h"
#include "game/sky.h"
#include "game/game_13c510.h"
#include "game/bg.h"
#include "game/stagetable.h"
#include "game/room.h"
#include "bss.h"
#include "lib/vi.h"
#include "lib/mtx.h"
#include "data.h"
#include "types.h"

u8 *var800a41a0;
u32 var800a41a4;
u32 var800a41a8;
u32 var800a41ac;

u16 func0f13c574(f32 arg0)
{
	u32 value = arg0 * 8.0f;
	u32 left;
	u32 right = value;

	if (value > 0x3f800) {
		right = value & 0x7ff;
		right &= 0x7ff;
		left = 7;
	} else if (value > 0x3f000) {
		right = value & 0x7ff;
		right &= 0x7ff;
		left = 6;
	} else if (value > 0x3e000) {
		right = (value >> 1) & 0x7ff;
		right &= 0x7ff;
		left = 5;
	} else if (value > 0x3c000) {
		right = (value >> 2) & 0x7ff;
		right &= 0x7ff;
		left = 4;
	} else if (value > 0x38000) {
		right = (value >> 3) & 0x7ff;
		right &= 0x7ff;
		left = 3;
	} else if (value > 0x30000) {
		right = (value >> 4) & 0x7ff;
		right &= 0x7ff;
		left = 2;
	} else if (value > 0x20000) {
		right = (value >> 5) & 0x7ff;
		right &= 0x7ff;
		left = 1;
	} else {
		right = (value >> 6) & 0x7ff;
		right &= 0x7ff;
		left = 0;
	}

	return left << 13 | (right << 2);
}

s32 func0f13c710(f32 arg0)
{
	if (arg0 > 0.0f) {
		if (arg0 > 2147483520.0f) {
			arg0 = 2147483520;
		}
	} else {
		if (arg0 < -2147483520) {
			arg0 = -2147483520;
		}
	}

	return arg0;
}

u8 func0f13d3c4(u8 arg0, u8 arg1)
{
	if (arg1 >= arg0 + 7) {
		return arg0 + 7;
	}

	if (arg1 <= arg0 - 7) {
		return arg0 - 7;
	}

	return arg1;
}