#include "../game.h"
#include "SDL_scancode.h"
#include "objlist.h"
#include "physics/movement.h"
#include "world/trace.h"
#include <cmath>
#include "player.h"

// todo : temporary
F32 PLAYER_HULL_HEIGHT = 1.f;
F32 PLAYER_HULL_WIDTH = 32.f;

PLAYER* player_create( VEC3 origin, F32 yaw ) {
  PLAYER* p = obj_add<PLAYER>( "localplayer" );
  p->pos = origin;
  p->rot = { 0, yaw, 0 };
  p->health = 100;
  p->keeponlevel = 1;
  p->velocity = {};

  p->mins = {
    -PLAYER_HULL_WIDTH * .5f,
    -PLAYER_HULL_WIDTH * .5f,
    0
  };

  p->maxs = {
    PLAYER_HULL_WIDTH * .5f,
    PLAYER_HULL_WIDTH * .5f,
    PLAYER_HULL_HEIGHT
  };

  return p;
}

void capture_mouse( PLAYER* p ) {
  F32*  yaw = &p->input.cam.pos.y;
  F32*  pitch = &p->input.cam.pos.x;

  if( input.keys[SDL_SCANCODE_F1] ) {
    input_capture_mouse( 0 );
  }

  if( input.mouselock ) {
    *yaw += input.mouse.pos_delta.x * input.msens;
    *pitch -= input.mouse.pos_delta.y * input.msens;

    if( *pitch > 89.f ) *pitch = 89.f;
    if( *pitch < -89.f ) *pitch = -89.f;

    input_reset_mouse_accumulator();
  }

  *yaw = remainderf( *yaw, 360.f );
  p->rot.x = *pitch;
  p->rot.y = *yaw;
}

void capture_move_keys( PLAYER* p ) {
  VEC2* move = &p->input.move;
  if( input.keys[input.binds.fwd] ) {
    if( !p->input.fwd_held ) move->x = 1.f;
     p->input.fwd_held = 1;
  } else {
    if( p->input.fwd_held ) {
      if( p->input.bk_held ) move->x = -1.f;
      else                   move->x = 0.f;
    }
    p->input.fwd_held = 0;
  }

  if( input.keys[input.binds.back] ) {
    if( !p->input.bk_held ) move->x = -1.f;
    p->input.bk_held = 1;
  } else {
    if( p->input.bk_held ) {
      if( p->input.fwd_held ) move->x = 1.f;
      else                    move->x = 0.f;
    }
    p->input.bk_held = 0;
  }

  if( input.keys[input.binds.left] ) {
    if( !p->input.left_held ) move->y = -1.f;
    p->input.left_held = 1;
  } else {
    if( p->input.left_held ) {
      if( p->input.right_held ) move->y = 1.f;
      else                      move->y = 0.f;
    }
    p->input.left_held = 0;
  }

  if( input.keys[input.binds.right] ) {
    if( !p->input.right_held ) move->y = 1.f;
    p->input.right_held = 1;
  } else {
    if( p->input.right_held ) {
      if( p->input.left_held ) move->y = -1.f;
      else                     move->y = 0.f;
    }
    p->input.right_held = 0;
  }
}

void player_input( GAME_DATA* game, PLAYER* p ) {
  if( !p )
    return;

  capture_mouse( p );
  capture_move_keys( p );
}

void player_move( GAME_DATA* game, PLAYER* p ) {
  gmove_set_player( p );
  gmove_tick();
}

VEC3 player_get_view_pos( PLAYER* p ) {
  return VEC3( p->pos.x, p->pos.y, p->pos.z + p->eyeoffset );
}