#include "gun.h"
#include "engine.h"
#include "init.h"
#include "player.h"
#include "exhumed.h"
#include "view.h"
#include "move.h"
#include "status.h"
#include "bubbles.h"
#include "typedefs.h"
#include "sound.h"
#include "ra.h"
#include "snake.h"
#include "grenade.h"
#include "lighting.h"
#include "light.h"
#include "input.h"
#include "util.h"
#include "anims.h"
#include "runlist.h"
#include "bullet.h"
#include "trigdat.h"
#include "object.h"
#include <string.h>
#include <assert.h>

/*
struct Weapon
{
	short nSeq;
	short b[12]; // seq offsets?
	short nAmmoType;
	short c;
	short d;
	short bFireUnderwater;
};
*/

Weapon WeaponInfo[] = {
	{ kSeqSword,   { 0, 1, 3,  7, -1,  2,  4, 5, 6, 8, 9, 10 }, 0, 0, 0, kTrue },
	{ kSeqPistol,  { 0, 3, 2,  4, -1,  1,  0, 0, 0, 0, 0, 0 },  1, 0, 1, kFalse },
	{ kSeqM60,     { 0, 5, 6, 16, -1, 21,  0, 0, 0, 0, 0, 0 },  2, 0, 1, kFalse },
	{ kSeqFlamer,  { 0, 2, 5,  5,  6,  1,  0, 0, 0, 0, 0, 0 },  3, 4, 1, kFalse },
	{ kSeqGrenade, { 0, 2, 3,  4, -1,  1,  0, 0, 0, 0, 0, 0 },  4, 0, 1, kTrue },
	{ kSeqCobra,   { 0, 1, 2,  2, -1,  4,  0, 0, 0, 0, 0, 0 },  5, 0, 1, kTrue },
	{ kSeqRavolt,  { 0, 1, 2,  3, -1,  4,  0, 0, 0, 0, 0, 0 },  6, 0, 1, kTrue },
	{ kSeqRothands,{ 0, 1, 2, -1, -1, -1,  0, 0, 0, 0, 0, 0 },  7, 0, 0, kTrue },
	{ kSeqDead,    { 1, 0, 0,  0,  0,  0,  0, 0, 0, 0, 0, 0 },  0, 1, 0, kFalse },
	{ kSeqDeadEx,  { 1, 0, 0,  0,  0,  0,  0, 0, 0, 0, 0, 0 },  0, 1, 0, kFalse },
	{ kSeqDeadBrn, { 1, 0, 0,  0,  0,  0,  0, 0, 0, 0, 0, 0 },  0, 1, 0, kFalse }
};

short nTemperature[kMaxPlayers];
short nMinAmmo[] = { 0, 24, 51, 50, 1, 0, 0 };
short word_96E26 = 0;


void RestoreMinAmmo(short nPlayer)
{
	for (int i = 0; i < kMaxWeapons; i++)
	{
		if (i == kWeaponGrenade) {
			continue;
		}

		if ((1 << i) & nPlayerWeapons[nPlayer])
		{
			if (nMinAmmo[i] > PlayerList[nPlayer].nAmmo[i]) {
				PlayerList[nPlayer].nAmmo[i] = nMinAmmo[i];
			}
		}
	}

	CheckClip(nPlayer);
}

void FillWeapons(short nPlayer)
{
	nPlayerWeapons[nPlayer] = 0xFFFF; // turn on all bits

	StatusMessage(150, "All weapons ON");

	for (int i = 0; i < kMaxWeapons; i++)
	{
		if (WeaponInfo[i].d) {
			PlayerList[nPlayer].nAmmo[i] = 99;
		}
	}

	CheckClip(nPlayer);

	if (nPlayer == nLocalPlayer)
	{
		short nWeapon = PlayerList[nPlayer].nCurrentWeapon;
		SetCounter(PlayerList[nPlayer].nAmmo[nWeapon]);
	}
}

void ResetPlayerWeapons(short nPlayer)
{
	for (int i = 0; i < kMaxWeapons; i++)
	{
		PlayerList[nPlayer].nAmmo[i] = 0;
	}

	PlayerList[nPlayer].nCurrentWeapon = 0;
	PlayerList[nPlayer].field_3A = 0;
	PlayerList[nPlayer].field_3FOUR = 0;

	nPlayerGrenade[nPlayer] = -1;
	nPlayerWeapons[nPlayer] = 0x1; // turn on bit 1 only
}

void InitWeapons()
{
	memset(nPlayerGrenade, 0, sizeof(nPlayerGrenade));
	memset(nGrenadePlayer, 0, sizeof(nGrenadePlayer));
}

void SetNewWeapon(short nPlayer, short nWeapon)
{
	if (nWeapon == kWeaponMummified)
	{
		PlayerList[nPlayer].field_3C = PlayerList[nPlayer].nCurrentWeapon;
		PlayerList[nPlayer].bIsFiring = kFalse;
		PlayerList[nPlayer].field_3A = 5;
		SetPlayerMummified(nPlayer, kTrue);

		PlayerList[nPlayer].field_3FOUR = 0;
	}
	else
	{
		if (nWeapon < 0)
		{
			nPlayerOldWeapon[nPlayer] = PlayerList[nPlayer].nCurrentWeapon;
		}
		else if (nWeapon != kWeaponGrenade || PlayerList[nPlayer].nAmmo[kWeaponGrenade] > 0)
		{
			short nCurrentWeapon = PlayerList[nPlayer].nCurrentWeapon;

			if (nCurrentWeapon != kWeaponMummified)
			{
				if (PlayerList[nPlayer].bIsFiring || nWeapon == nCurrentWeapon) {
					return;
				}
			}
			else
			{
				PlayerList[nPlayer].nCurrentWeapon = nWeapon;
				PlayerList[nPlayer].field_3FOUR = 0;
			}
		}
		else {
			return;
		}
	}

	PlayerList[nPlayer].field_38 = nWeapon;

	if (nPlayer == nLocalPlayer)
	{
		int nCounter;

		if (nWeapon >= kWeaponSword && nWeapon <= kWeaponRing) {
			nCounter = PlayerList[nPlayer].nAmmo[nWeapon];
		}
		else {
			nCounter = 0;
		}

		SetCounterImmediate(nCounter);
	}
}

void SetNewWeaponImmediate(short nPlayer, short nWeapon)
{
	SetNewWeapon(nPlayer, nWeapon);

	PlayerList[nPlayer].nCurrentWeapon = nWeapon;
	PlayerList[nPlayer].field_38 = -1;
	PlayerList[nPlayer].field_3FOUR = 0;
	PlayerList[nPlayer].field_3A = 0;
}

void SetNewWeaponIfBetter(short nPlayer, short nWeapon)
{
	if (nWeapon > PlayerList[nPlayer].nCurrentWeapon) {
		SetNewWeapon(nPlayer, nWeapon);
	}
}

void SelectNewWeapon(short nPlayer)
{
	int nWeapon = kWeaponRing; // start at the highest weapon number

	uint16_t di = nPlayerWeapons[nPlayer];
	uint16_t dx = 0x40; // bit 7 turned on

	while (dx)
	{
		if (di & dx)
		{
			// we have this weapon
			if (!WeaponInfo[nWeapon].d || PlayerList[nPlayer].nAmmo[WeaponInfo[nWeapon].nAmmoType])
				break;
		}

		nWeapon--;
		dx >>= 1;
	}

	if (nWeapon < 0)
		nWeapon = kWeaponSword;

	PlayerList[nPlayer].bIsFiring = kFalse;

	SetNewWeapon(nPlayer, nWeapon);
}

void StopFiringWeapon(short nPlayer)
{
	PlayerList[nPlayer].bIsFiring = kFalse;
}

void FireWeapon(short nPlayer)
{
	if (!PlayerList[nPlayer].bIsFiring) {
		PlayerList[nPlayer].bIsFiring = kTrue;
	}
}

void SetWeaponStatus(short nPlayer)
{
	if (nPlayer != nLocalPlayer)
		return;

	short nWeapon = PlayerList[nPlayer].nCurrentWeapon;

	if (nWeapon < 0)
	{
		nCounterBullet = -1;
		SetCounterImmediate(0);
	}
	else
	{
		nCounterBullet = WeaponInfo[nWeapon].nAmmoType;
		SetCounterImmediate(PlayerList[nPlayer].nAmmo[nCounterBullet]);
	}
}

uint8_t WeaponCanFire(short nPlayer)
{
	short nWeapon = PlayerList[nPlayer].nCurrentWeapon;
	short nSector = nPlayerViewSect[nPlayer];

	if (!(SectFlag[nSector] & kSectUnderwater) || WeaponInfo[nWeapon].bFireUnderwater)
	{
		short nAmmoType = WeaponInfo[nWeapon].nAmmoType;

		if (WeaponInfo[nWeapon].d <= PlayerList[nPlayer].nAmmo[nAmmoType]) {
			return kTrue;
		}
	}

	return kFalse;
}

// UNUSED
void ResetSwordSeqs()
{
	WeaponInfo[kWeaponSword].b[2] = 3;
	WeaponInfo[kWeaponSword].b[3] = 7;
}

int CheckCloseRange(short nPlayer, int *x, int *y, int *z, short *nSector)
{
	short hitSect, hitWall, hitSprite;
	int hitX, hitY, hitZ;

	short nSprite = PlayerList[nPlayer].nSprite;

	int xVect = Sin(sprite[nSprite].ang + 512);
	int yVect = Sin(sprite[nSprite].ang);
    
    vec3_t startPos = { *x, *y, *z };
    hitdata_t hitData;
    hitscan(&startPos, *nSector, xVect, yVect, 0, &hitData, CLIPMASK1);
    hitX = hitData.pos.x;
    hitY = hitData.pos.y;
    hitZ = hitData.pos.z;
    hitSprite = hitData.sprite;
    hitSect = hitData.sect;
    hitWall = hitData.wall;

	int ecx = sintable[150] >> 3;

	if (ksqrt((hitX - *x) * (hitX - *x) + (hitY - *y) * (hitY - *y)) >= ecx)
		return 0;

	*x = hitX;
	*y = hitY;
	*z = hitZ;
	*nSector = hitSect;

	if (hitSprite > -1) {
		hitSprite |= 0xC000;
	}
	else
	{
		if (hitWall > -1) {
			hitSprite |= 0x8000;
		}
		else {
			hitSprite = 0;
		}
	}

	return hitSprite;
}

void CheckClip(short nPlayer)
{
	if (nPlayerClip[nPlayer] <= 0)
	{
		nPlayerClip[nPlayer] = PlayerList[nPlayer].nAmmo[kWeaponM60];

		if (nPlayerClip[nPlayer] > 99) {
			nPlayerClip[nPlayer] = 99;
		}
	}
}

void MoveWeapons(short nPlayer)
{
	static int dword_96E22 = 0;

	short nSectFlag = SectFlag[nPlayerViewSect[nPlayer]];

	if ((nSectFlag & kSectUnderwater) && (totalmoves & 1)) {
		return;
	}

	nPilotLightFrame++;

	if (nPilotLightFrame >= nPilotLightCount)
		nPilotLightFrame = 0;

	if (!PlayerList[nPlayer].bIsFiring || (nSectFlag & kSectUnderwater))
		nTemperature[nPlayer] = 0;

	short nPlayerSprite = PlayerList[nPlayer].nSprite;
	short nWeapon = PlayerList[nPlayer].nCurrentWeapon;

	if (nWeapon < -1)
	{
		if (PlayerList[nPlayer].field_38 != -1)
		{
			PlayerList[nPlayer].nCurrentWeapon = PlayerList[nPlayer].field_38;
			PlayerList[nPlayer].field_3A = 0;
			PlayerList[nPlayer].field_3FOUR = 0;
			PlayerList[nPlayer].field_38 = -1;
		}

		return;
	}

	// loc_26ACC
	short eax = PlayerList[nPlayer].field_3A;
	short nSeq = WeaponInfo[nWeapon].nSeq;

	short var_3C = WeaponInfo[nWeapon].b[eax] + SeqOffsets[nSeq];

	int var_1C = (nPlayerDouble[nPlayer] > 0) + 1;

	frames = var_1C - 1;

	for (frames = var_1C; frames > 0; frames--)
	{
		seq_MoveSequence(nPlayerSprite, var_3C, PlayerList[nPlayer].field_3FOUR);

		PlayerList[nPlayer].field_3FOUR++;

		dword_96E22++;
		if (dword_96E22 >= 15) {
			dword_96E22 = 0;
		}

		if (PlayerList[nPlayer].field_3FOUR >= SeqSize[var_3C])
		{
			if (PlayerList[nPlayer].field_38 == -1)
			{
				switch (PlayerList[nPlayer].field_3A)
				{
					default:
						break;

					case 0:
					{
						PlayerList[nPlayer].field_3A = 1;
						SetWeaponStatus(nPlayer);
						break;
					}
					case 1:
					{
						if (PlayerList[nPlayer].bIsFiring)
						{
							if (!WeaponCanFire(nPlayer))
							{
								if (!dword_96E22) {
									D3PlayFX(StaticSound[4], PlayerList[nPlayer].nSprite);
								}
							}
							else
							{
								if (nWeapon == kWeaponRing)
								{
									if (Ra[nPlayer].nTarget == -1)
										break;

									Ra[nPlayer].field_0 = 0;
									Ra[nPlayer].field_2 = 0;
									Ra[nPlayer].field_C = 1;
								}

								PlayerList[nPlayer].field_3A = 2;

								if (nWeapon == 0)
									break;

								if (nWeapon == kWeaponGrenade)
								{
									BuildGrenade(nPlayer);
									AddAmmo(nPlayer, 4, -1);
								}
								else if (nWeapon == kWeaponStaff)
								{
									ShootStaff(nPlayer);
								}
							}
						}
						break;
					}

					case 2:
					case 6:
					case 7:
					case 8:
					{
						if (nWeapon == kWeaponPistol && nPistolClip[nPlayer] <= 0)
						{
							PlayerList[nPlayer].field_3A = 3;
							PlayerList[nPlayer].field_3FOUR = 0;

							nPistolClip[nPlayer] = Min(6, PlayerList[nPlayer].nAmmo[kWeaponPistol]);
							break;
						}
						else if (nWeapon == kWeaponGrenade)
						{
							if (!PlayerList[nPlayer].bIsFiring)
							{
								PlayerList[nPlayer].field_3A = 3;
								break;
							}
							else
							{
								PlayerList[nPlayer].field_3FOUR = SeqSize[var_3C] - 1;
								continue;
							}
						}
						else if (nWeapon == kWeaponMummified)
						{
							PlayerList[nPlayer].field_3A = 0;
							PlayerList[nPlayer].nCurrentWeapon = PlayerList[nPlayer].field_3C;

							nWeapon = PlayerList[nPlayer].nCurrentWeapon;

							SetPlayerMummified(nPlayer, kFalse);
							break;
						}
						else
						{
							// loc_26D88:
							if (PlayerList[nPlayer].bIsFiring && WeaponCanFire(nPlayer))
							{
								if (nWeapon != kWeaponM60 && nWeapon != kWeaponPistol) {
									PlayerList[nPlayer].field_3A = 3;
								}
							}
							else
							{
								if (WeaponInfo[nWeapon].b[4] == -1)
								{
									PlayerList[nPlayer].field_3A = 1;
								}
								else
								{
									if (nWeapon == kWeaponFlamer && (nSectFlag & kSectUnderwater))
									{
										PlayerList[nPlayer].field_3A = 1;
									}
									else
									{
										PlayerList[nPlayer].field_3A = 4;
									}
								}
							}

							break;
						}
					}

					case 3:
					case 9:
					case 10:
					case 11:
					{
						if (nWeapon == kWeaponMummified)
						{
							PlayerList[nPlayer].nCurrentWeapon = PlayerList[nPlayer].field_3C;

							nWeapon = PlayerList[nPlayer].nCurrentWeapon;

							PlayerList[nPlayer].field_3A = 0;
							break;
						}
						else if (nWeapon == kWeaponRing)
						{
							if (!WeaponInfo[nWeapon].d || PlayerList[nPlayer].nAmmo[WeaponInfo[nWeapon].nAmmoType])
							{
								if (!PlayerList[nPlayer].bIsFiring) {
									PlayerList[nPlayer].field_3A = 1;
								}
								else {
									break;
								}
							}
							else
							{
								SelectNewWeapon(nPlayer);
							}

							Ra[nPlayer].field_C = 0;
							break;
						}
						else if (nWeapon == kWeaponM60)
						{
							CheckClip(nPlayer);
							PlayerList[nPlayer].field_3A = 1;
							break;
						}
						else if (nWeapon == kWeaponGrenade)
						{
							if (!WeaponInfo[nWeapon].d || PlayerList[nPlayer].nAmmo[WeaponInfo[nWeapon].nAmmoType])
							{
								PlayerList[nPlayer].field_3A = 0;
								break;
							}
							else
							{
								SelectNewWeapon(nPlayer);
								PlayerList[nPlayer].field_3A = 5;

                                PlayerList[nPlayer].field_3FOUR = SeqSize[WeaponInfo[kWeaponGrenade].b[0] + SeqOffsets[nSeq]] - 1; // CHECKME
								goto loc_flag; // FIXME
							}
						}
						else
						{
							if (PlayerList[nPlayer].bIsFiring && WeaponCanFire(nPlayer)) {
								PlayerList[nPlayer].field_3A = 2;
								break;
							}

							if (WeaponInfo[nWeapon].b[4] == -1)
							{
								PlayerList[nPlayer].field_3A = 1;
								break;
							}

							if (nWeapon == kWeaponFlamer && (nSectFlag & kSectUnderwater))
							{
								PlayerList[nPlayer].field_3A = 1;
							}
							else
							{
								PlayerList[nPlayer].field_3A = 4;
							}
						}
						break;
					}

					case 4:
					{
						PlayerList[nPlayer].field_3A = 1;
						break;
					}

					case 5:
					{
						PlayerList[nPlayer].nCurrentWeapon = PlayerList[nPlayer].field_38;

						nWeapon = PlayerList[nPlayer].nCurrentWeapon;

						PlayerList[nPlayer].field_3A = 0;
						PlayerList[nPlayer].field_38 = -1;

						SetWeaponStatus(nPlayer);
						break;
					}
				}

				// loc_26FC5
				var_3C = SeqOffsets[WeaponInfo[nWeapon].nSeq] + WeaponInfo[nWeapon].b[PlayerList[nPlayer].field_3A];
				PlayerList[nPlayer].field_3FOUR = 0;
			}
			else
			{
				if (PlayerList[nPlayer].field_3A == 5)
				{
					PlayerList[nPlayer].nCurrentWeapon = PlayerList[nPlayer].field_38;

					nWeapon = PlayerList[nPlayer].nCurrentWeapon;

					PlayerList[nPlayer].field_38 = -1;
					PlayerList[nPlayer].field_3A = 0;
				}
				else
				{
					PlayerList[nPlayer].field_3A = 5;
				}

				PlayerList[nPlayer].field_3FOUR = 0;
				continue;
			}
		} // end of if (PlayerList[nPlayer].field_34 >= SeqSize[var_3C])

loc_flag:

		// loc_27001
		short nFrameFlag = seq_GetFrameFlag(var_3C, PlayerList[nPlayer].field_3FOUR);

		if (((!(nSectFlag & kSectUnderwater)) || nWeapon == kWeaponRing) && (nFrameFlag & 4))
		{
			BuildFlash(nPlayer, sprite[nPlayerSprite].sectnum, 512);
			AddFlash(
				sprite[nPlayerSprite].sectnum,
				sprite[nPlayerSprite].x,
				sprite[nPlayerSprite].y,
				sprite[nPlayerSprite].z,
				0);
		}

		if (nFrameFlag & 0x80)
		{
			int nAction = PlayerList[nPlayer].nAction;

			int var_38 = 1;

			if (nAction < 10 || nAction > 12) {
				var_38 = 0;
			}

			if (nPlayer == nLocalPlayer) {
				bobangle = 512;
			}

			if (nWeapon == kWeaponFlamer && (!(nSectFlag & kSectUnderwater)))
			{
				nTemperature[nPlayer]++;

				if (nTemperature[nPlayer] > 50)
				{
					nTemperature[nPlayer] = 0;
					PlayerList[nPlayer].field_3A = 4;
					PlayerList[nPlayer].field_3FOUR = 0;
				}
			}

			short nAmmoType = WeaponInfo[nWeapon].nAmmoType;
			short nAngle = sprite[nPlayerSprite].ang;
			int theX = sprite[nPlayerSprite].x;
			int theY = sprite[nPlayerSprite].y;
			int theZ = sprite[nPlayerSprite].z;

			int ebp = Sin(nAngle + 512) * (sprite[nPlayerSprite].clipdist << 3);
			int ebx = Sin(nAngle) * (sprite[nPlayerSprite].clipdist << 3);

			if (WeaponInfo[nWeapon].c)
			{
				int ecx;

				int theVal = (totalmoves + 101) & (WeaponInfo[nWeapon].c - 1);
				if (theVal & 1)
					ecx = -theVal;
				else
					ecx = theVal;

				int var_44 = (nAngle + 512) & kAngleMask;
				ebp += ((Sin(var_44 + 512) >> 11) * ecx);
				ebx += (Sin(var_44) >> 11) * ecx;
			}

			int nHeight = (-GetSpriteHeight(nPlayerSprite)) >> 1;

			if (nAction < 6)
			{
				nHeight -= 1792;
			}
			else
			{
				if (!var_38)
				{
					nHeight += 1024;
				}
				else {
					nHeight -= 2560;
				}
			}

			short nSectorB = sprite[nPlayerSprite].sectnum;

			switch (nWeapon)
			{
				// loc_27266:
				case kWeaponSword:
				{
					nHeight += (92 - sPlayerInput[nPlayer].horizon) << 6;

					theZ += nHeight;

					int var_28;

					if (PlayerList[nPlayer].field_3A == 2) {
						var_28 = 6;
					}
					else {
						var_28 = 9;
					}

					int cRange = CheckCloseRange(nPlayer, &theX, &theY, &theZ, &nSectorB);

					if (cRange)
					{
						short nDamage = BulletInfo[kWeaponSword].nDamage;

						if (nPlayerDouble[nPlayer]) {
							nDamage *= 2;
						}

						if ((cRange & 0xC000) >= 0x8000)
						{
							if ((cRange & 0xC000) == 0x8000) // hit wall
							{
								// loc_2730E:
								var_28 += 2;
							}
							else if ((cRange & 0xC000) == 0xC000) // hit sprite
							{
								short nSprite2 = cRange & 0x3FFF;

								if (sprite[nSprite2].cstat & 0x50)
								{
									var_28 += 2;
								}
								else if (sprite[nSprite2].statnum > 90 && sprite[nSprite2].statnum <= 199)
								{
									runlist_DamageEnemy(nSprite2, nPlayerSprite, nDamage);

									if (sprite[nSprite2].statnum < 102) {
										var_28++;
									}
									else if (sprite[nSprite2].statnum == 102)
									{
										// loc_27370:
										BuildAnim(-1, 12, 0, theX, theY, theZ, nSectorB, 30, 0);
									}
									else if (sprite[nSprite2].statnum == kStatExplodeTrigger) {
										var_28 += 2;
									}
									else {
										var_28++;
									}
								}
								else
								{
									// loc_27370:
									BuildAnim(-1, 12, 0, theX, theY, theZ, nSectorB, 30, 0);
								}
							}
						}
					}

					// loc_27399:
					PlayerList[nPlayer].field_3A = var_28;
					PlayerList[nPlayer].field_3FOUR = 0;
					break;
				}
				case kWeaponFlamer:
				{
					if (nSectFlag & kSectUnderwater)
					{
						DoBubbles(nPlayer);
						PlayerList[nPlayer].field_3A = 1;
						PlayerList[nPlayer].field_3FOUR = 0;
						StopSpriteSound(nPlayerSprite);
						break;
					}
					else
					{
						if (var_38) {
							nHeight += 768;
						}
						else {
							nHeight -= 2560;
						}

						// fall through to case 1 (kWeaponPistol)
					}
				}

				case kWeaponM60:
				{
					if (nWeapon == kWeaponM60) { // hack(?) to do fallthrough from kWeapon3 into kWeaponPistol without doing the nQuake[] change
						nQuake[nPlayer] = 128;
					}
					// fall through
				}
				case kWeaponPistol:
				{
					int var_50 = (sPlayerInput[nPlayer].horizon - 92) << 2;
					nHeight -= var_50;

					short thetargetthin = sPlayerInput[nPlayer].nTarget;

					assert(sprite[sPlayerInput[nPlayer].nTarget].sectnum < kMaxSectors);

					if (sPlayerInput[nPlayer].nTarget >= 0)
					{
						var_50 = sPlayerInput[nPlayer].nTarget + 10000;
					}

					BuildBullet(nPlayerSprite, nAmmoType, ebp, ebx, nHeight, nAngle, var_50, var_1C);
					break;
				}

				case kWeaponGrenade:
				{
					ThrowGrenade(nPlayer, ebp, ebx, nHeight - 2560, sPlayerInput[nPlayer].horizon - 92);
					break;
				}
				case kWeaponStaff:
				{
					BuildSnake(nPlayer, nHeight);
					nQuake[nPlayer] = 512;

					nXDamage[nPlayer] -= Sin(sprite[nPlayerSprite].ang + 512) << 9;
					nYDamage[nPlayer] -= Sin(sprite[nPlayerSprite].ang) << 9;
					break;
				}
				case kWeaponRing:
					break;

				case kWeaponMummified:
				{
					short nDamage = BulletInfo[kWeaponMummified].nDamage;
					if (nPlayerDouble[nPlayer]) {
						nDamage *= 2;
					}

					runlist_RadialDamageEnemy(nPlayerSprite, nDamage, BulletInfo[kWeaponMummified].field_10);
					break;
				}
			}

			// end of switch, loc_2753E:
			if (nWeapon < kWeaponMummified)
			{
				if (nWeapon != kWeaponGrenade)
				{
					short nAmmo = -WeaponInfo[nWeapon].d; // negative

					if (nAmmo) {
						AddAmmo(nPlayer, nAmmoType, nAmmo);
					}

					if (nWeapon == kWeaponM60) {
						nPlayerClip[nPlayer] -= WeaponInfo[nWeapon].d;
					}
					else if (nWeapon == kWeaponPistol) {
						nPistolClip[nPlayer]--;
					}
				}

				if (!WeaponInfo[nWeapon].d || PlayerList[nPlayer].nAmmo[WeaponInfo[nWeapon].nAmmoType])
				{
					if (nWeapon == kWeaponM60 && nPlayerClip[nPlayer] <= 0)
					{
						PlayerList[nPlayer].field_3A = 3;
						PlayerList[nPlayer].field_3FOUR = 0;
						// goto loc_27609:
					}
				}
				else if (nWeapon != kWeaponGrenade)
				{
					SelectNewWeapon(nPlayer);
					// go to loc_27609:
				}
			}
		}
	}
}

void DrawWeapons()
{
	if (bCamera) {
		return;
	}

	short nWeapon = PlayerList[nLocalPlayer].nCurrentWeapon;
	if (nWeapon < -1) {
		return;
	}

	short var_34 = PlayerList[nLocalPlayer].field_3A;

	short var_30 = SeqOffsets[WeaponInfo[nWeapon].nSeq];

	short var_28 = var_30 + WeaponInfo[nWeapon].b[var_34];

	int8_t nShade = sector[initsect].ceilingshade;

	int nDouble = nPlayerDouble[nLocalPlayer];
	int nPal = kPalNormal;

	if (nDouble)
	{
		if (word_96E26) {
            nPal = kPalRedBrite;
		}

		word_96E26 = word_96E26 == 0;
	}

    nPal = RemapPLU(nPal);

	int nVal = totalvel[nLocalPlayer] >> 1;

	// CHECKME - not & 0x7FF?
	int	yOffset = (nVal * (sintable[bobangle & 0x3FF] >> 8)) >> 9;

	int xOffset = 0;

	if (var_34 == 1)
	{
		xOffset = ((Sin(bobangle + 512) >> 8) * nVal) >> 8;
	}
	else
	{
		xOffset = 0;
		bobangle = 512;
	}

	if (nWeapon == 3 && var_34 == 1) {
		seq_DrawPilotLightSeq(xOffset, yOffset);
	}

	if (nWeapon < 0) {
		nShade = sprite[PlayerList[nLocalPlayer].nSprite].shade;
	}

	seq_DrawGunSequence(var_28, PlayerList[nLocalPlayer].field_3FOUR, xOffset, yOffset, nShade, nPal);

	if (nWeapon != kWeaponM60)
		return;

	switch (var_34)
	{
		default:
			return;

		case 0:
		{
			int nClip = nPlayerClip[nLocalPlayer];

			if (nClip <= 0)
				return;

			int nSeqOffset;

			if (nClip <= 3)
			{
				nSeqOffset = var_30 + 1;
			}
			else if (nClip <= 6)
			{
				nSeqOffset = var_30 + 2;
			}
			else if (nClip <= 25)
			{
				nSeqOffset = var_30 + 3;
			}
			else if (nClip > 25)
			{
				nSeqOffset = var_30 + 4;
			}

			seq_DrawGunSequence(nSeqOffset, PlayerList[nLocalPlayer].field_3FOUR, xOffset, yOffset, nShade, nPal);
			return;
		}
		case 1:
		{
			int nClip = nPlayerClip[nLocalPlayer];

			short edx = (nClip % 3) * 4;

			if (nClip <= 0) {
				return;
			}

			seq_DrawGunSequence(var_30 + 8, edx, xOffset, yOffset, nShade, nPal);

			if (nClip <= 3) {
				return;
			}

			seq_DrawGunSequence(var_30 + 9, edx, xOffset, yOffset, nShade, nPal);

			if (nClip <= 6) {
				return;
			}

			seq_DrawGunSequence(var_30 + 10, edx, xOffset, yOffset, nShade, nPal);

			if (nClip <= 25) {
				return;
			}

			seq_DrawGunSequence(var_30 + 11, edx, xOffset, yOffset, nShade, nPal);
			return;
		}
		case 2:
		{
			int nClip = nPlayerClip[nLocalPlayer];

			short dx = PlayerList[nLocalPlayer].field_3FOUR;

			if (nClip <= 0) {
				return;
			}

			seq_DrawGunSequence(var_30 + 8, dx, xOffset, yOffset, nShade, nPal);

			if (nClip <= 3) {
				return;
			}

			seq_DrawGunSequence(var_30 + 9, dx, xOffset, yOffset, nShade, nPal);

			if (nClip <= 6) {
				return;
			}

			seq_DrawGunSequence(var_30 + 10, dx, xOffset, yOffset, nShade, nPal);

			if (nClip <= 25) {
				return;
			}

			seq_DrawGunSequence(var_30 + 11, dx, xOffset, yOffset, nShade, nPal);
			return;
		}

		case 3:
		case 4:
			return;

		case 5:
		{
			int nClip = nPlayerClip[nLocalPlayer];

			short ax = PlayerList[nLocalPlayer].field_3FOUR;

			if (nClip <= 0) {
				return;
			}

			int nSeqOffset;

			if (nClip <= 3)
			{
				nSeqOffset = var_30 + 20;
			}
			else if (nClip <= 6)
			{
				nSeqOffset = var_30 + 19;
			}
			else if (nClip <= 25)
			{
				nSeqOffset = var_30 + 18;
			}
			else
			{
				nSeqOffset = var_30 + 17;
			}

			seq_DrawGunSequence(nSeqOffset, ax, xOffset, yOffset, nShade, nPal);
			return;
		}
	}
}