#pragma once

#include "mathutil.h"

// all inline functions.
BEGIN_DUKE_NS

inline bool AFLAMABLE(int X)
{
    return (X == TILE_BOX || X == TILE_TREE1 || X == TILE_TREE2 || X == TILE_TIRE || X == TILE_CONE);
}

inline int badguypic(int const tileNum)
{
    return ((actorinfo[tileNum].flags & (SFLAG_INTERNAL_BADGUY | SFLAG_BADGUY)) != 0);
}

inline int badguy(void const * const pSprite)
{
    return badguypic(((uspritetype const *) pSprite)->picnum);
}

inline int actorflag(int spritenum, int mask)
{
    return (((actorinfo[sprite[spritenum].picnum].flags/* ^ hittype[spritenum].flags*/) & mask) != 0);
}

inline int actorfella(int spnum)
{
    return actorflag(spnum, SFLAG_KILLCOUNT);
}

inline void setflag(int flag, const std::initializer_list<short>& types)
{
    for (auto val : types)
    {
        actorinfo[val].flags |= flag;
    }
}

inline bool inventory(spritetype* S)
{
    return !!(actorinfo[S->picnum].flags & SFLAG_INVENTORY);
}

inline void settileflag(int flag, const std::initializer_list<short>& types)
{
    for (auto val : types)
    {
        tileinfo[val].flags |= flag;
    }
}

inline bool wallswitchcheck(int s)
{
    return !!(tileinfo[s].flags & TFLAG_WALLSWITCH);
}

inline int checkcursectnums(int se)
{
    int i;
    for(i=connecthead;i>=0;i=connectpoint2[i])
        if((unsigned)ps[i].i < MAXSPRITES && sprite[ps[i].i].sectnum == se ) return i;
    return -1;
}

// These are from duke's sector.c
inline int ldist(const spritetype* s1, const spritetype* s2)
{
    int vx, vy;
    vx = s1->x - s2->x;
    vy = s1->y - s2->y;
    return(FindDistance2D(vx, vy) + 1);
}

inline int ldist(const spritetype* s1, const tspritetype* s2)
{
    int vx, vy;
    vx = s1->x - s2->x;
    vy = s1->y - s2->y;
    return(FindDistance2D(vx, vy) + 1);
}

inline int dist(const spritetype* s1, const spritetype* s2)
{
    int vx, vy, vz;
    vx = s1->x - s2->x;
    vy = s1->y - s2->y;
    vz = s1->z - s2->z;
    return(FindDistance3D(vx, vy, vz >> 4));
}

inline bool isIn(int value, int first)
{
    return value == first;
}

template<typename... Args>
bool isIn(int value, int first, Args... args)
{
    return value == first || isIn(value, args...);
}

inline bool isIn(int value, const std::initializer_list<int>& list)
{
    for (auto v : list) if (v == value) return true;
    return false;
}


// these are mainly here to avoid directly accessing the input data so that it can be more easily refactored later.
inline bool PlayerInput(int pl, ESyncBits bit)
{
    return (!!((g_player[pl].input->bits) & bit));
}

inline void PlayerSetInput(int pl, ESyncBits bit)
{
    g_player[pl].input->bits |= bit;
}

inline void PlayerClearInput(int pl, ESyncBits bit)
{
    g_player[pl].input->bits &= ~bit;
}

inline ESyncBits PlayerInputBits(int pl, ESyncBits bits)
{
    return (g_player[pl].input->bits & bits);
}

inline int PlayerInputSideVel(int pl)
{
    return g_player[pl].input->svel;
}

inline int PlayerInputForwardVel(int pl)
{
    return g_player[pl].input->fvel;
}

inline fixed_t PlayerInputAngVel(int pl)
{
    return g_player[pl].input->q16avel;
}

//---------------------------------------------------------------------------
//
//
//
//---------------------------------------------------------------------------

inline void hud_drawsprite(int sx, int sy, int z, int16_t a, int16_t picnum, int8_t dashade, uint8_t dapalnum, int dastat)
{
    twod_rotatesprite(&twodpsp, sx, sy, z, a, picnum, dashade, dapalnum, dastat, 0, 0, windowxy1.x, windowxy1.y, windowxy2.x, windowxy2.y);
}

inline void hud_draw(int x, int y, int tilenum, int shade, int orientation)
{
    int p = sector[ps[screenpeek].cursectnum].floorpal;
    hud_drawsprite(x << 16, y << 16, 65536L, (orientation & 4) ? 1024 : 0, tilenum, shade, p, 2 | orientation);
}

END_DUKE_NS