// Copyright © 2017 Project Golan, all rights reserved.
// See COPYING for more information.
#include "g_enemy.h"

#include "m_math.h"

// Static Functions ----------------------------------------------------------|

//
// G_TestObj_explode
//
static void G_TestObj_explode(fixed x, fixed y)
{
   DGE_ParticleSys ps = {DGE_ParticleSys_Create(0, 128)};

   DGE_Particle prt = {
      .life  = 30,
      .size  = {20, 20},
      .color = {1ulr, 1ulr, 0ulr, 1ulr}, {1ulr, 1ulr, 0ulr, 0ulr}, 0.05};

   for(int i = 0; i < 7; i++)
   {
      prt.vel.x = M_Random_Float(-2, 2);
      prt.vel.y = M_Random_Float(-2, 2);
      prt.pos.x = M_Random_Float(-4, 4);
      prt.pos.y = M_Random_Float(-4, 4);
      DGE_ParticleSys_Add(ps.id, prt);
   }

   ps.x = x;
   ps.y = y;

   ps.sprite = DGE_Texture_Get(s"ent/explosion1");
   DGE_Task_Sleep(0, 10); ps.sprite = DGE_Texture_Get(s"ent/explosion2");
   DGE_Task_Sleep(0, 10); ps.sprite = DGE_Texture_Get(s"ent/explosion3");
   DGE_Task_Sleep(0, 20); DGE_Thinker_Unlink(ps.id);
}

// Extern Functions ----------------------------------------------------------|

//
// G_TestObj_Think
//
DGE_Callback
void G_TestObj_Think(G_enttype const *ty, unsigned id)
{
   G_entity th = {id};
   fixed sx = th.x;

   DGE_Object_RefAdd(id);

   for(dword ticks = 0; th.health > 0; ticks++)
   {
      th.x = sx + cos(ticks / 7.0) * 23;
      th.y = th.y + 2.6;

      DGE_Task_Sleep(0, 1);
   }

   fixed x = th.x, y = th.y;

   DGE_Object_RefSub(id);

   G_TestObj_explode(x, y);
}

// EOF