#include <gtest/gtest.h>

#include "effects.h"
#include "player.h"

using namespace devilution;

TEST(Effects, calc_snd_position_center)
{
	plr[myplr].position.tile = { 50, 50 };
	int plVolume = 0;
	int plPan = 0;
	EXPECT_EQ(calc_snd_position(50, 50, &plVolume, &plPan), true);
	EXPECT_EQ(plVolume, 0);
	EXPECT_EQ(plPan, 0);
}

TEST(Effects, calc_snd_position_near)
{
	plr[myplr].position.tile = { 50, 50 };
	int plVolume = 0;
	int plPan = 0;
	EXPECT_EQ(calc_snd_position(55, 50, &plVolume, &plPan), true);
	EXPECT_EQ(plVolume, -320);
	EXPECT_EQ(plPan, 1280);
}

TEST(Effects, calc_snd_position_out_of_range)
{
	plr[myplr].position.tile = { 12, 12 };
	int plVolume = 0;
	int plPan = 0;
	EXPECT_EQ(calc_snd_position(112, 112, &plVolume, &plPan), false);
	ASSERT_GE(plVolume, 6400);
	EXPECT_EQ(plPan, 0);
}

TEST(Effects, calc_snd_position_extream_right)
{
	plr[myplr].position.tile = { 50, 50 };
	int plVolume = 0;
	int plPan = 0;
	EXPECT_EQ(calc_snd_position(76, 50, &plVolume, &plPan), false);
	EXPECT_EQ(plVolume, 0);
	EXPECT_GT(plPan, 6400);
}

TEST(Effects, calc_snd_position_extream_left)
{
	plr[myplr].position.tile = { 50, 50 };
	int plVolume = 0;
	int plPan = 0;
	EXPECT_EQ(calc_snd_position(24, 50, &plVolume, &plPan), false);
	EXPECT_EQ(plVolume, 0);
	EXPECT_LT(plPan, -6400);
}