lith_upgr_vitalscan.c

#include "lith_upgrades_common.h"

#define UserData upgr->UserData_VitalScan


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

//
// Update
//
[[__call("ScriptS")]]
void Upgr_VitalScan_Update(player_t *p, upgrade_t *upgr)
{
   ACS_SetActivator(0, AAPTR_PLAYER_GETTARGET);
   
   if((UserData.target = ACS_CheckFlag(0, "COUNTKILL")))
   {
      UserData.tagstr    = ACS_GetActorPropertyString(0, APROP_NameTag);
      UserData.health    = ACS_GetActorProperty(0, APROP_Health);
      UserData.maxhealth = ACS_GetActorProperty(0, APROP_SpawnHealth);
      UserData.angle     = atan2f(p->y - ACS_GetActorY(0), p->x - ACS_GetActorX(0));
   }
}

//
// Render
//
void Upgr_VitalScan_Render(player_t *p, upgrade_t *upgr)
{
   if(!p->upgrades[UPGR_HeadsUpDisp].active || !UserData.target) return;
   
   int ofs = 0;
   
   if(1)
   {
      float a = p->yawf; // p->yawf = p->yaw * tau - pi; // p->yaw = ACS_GetActorAngle(0);
      float b = UserData.angle;
      
      float phi  = fmod(fabs(a - b), 1);
      float dst  = phi > pi ? tau - phi : phi;
      int   sign = (a - b >= 0 && a - b <= pi) || (a - b <= -pi && a - b >= -tau) ? 1 : -1;
      
      ofs = (dst * sign) * 64;
      
      HudMessageF("SMALLFONT", "phi: %.1k\na:   %.1k\nb:   %.1k\ndst: %.1k\nsign: %i", (fixed)phi, (fixed)a, (fixed)b, (fixed)dst, sign);
      HudMessagePlain(hid_test1, 0.1, 0.1, TICSECOND);
   }
   
   HudMessageF("CBIFONT", "%S\n%i/%i", UserData.tagstr, UserData.health, UserData.maxhealth);
   HudMessageParams(HUDMSG_FADEOUT, hid_vitalscanner, CR_WHITE, 160.4 + ofs, 180.2, 0.1, 0.4);
}

// EOF