/** Creates a camera from config
 * @param[in]   _zConfigID    Config ID
 * @ return orxCAMERA / orxNULL
 */
orxCAMERA *orxFASTCALL orxCamera_CreateFromConfig(const orxSTRING _zConfigID)
{
  orxCAMERA *pstResult;

  /* Checks */
  orxASSERT(sstCamera.u32Flags & orxCAMERA_KU32_STATIC_FLAG_READY);

  /* Search for camera */
  pstResult = orxCamera_Get(_zConfigID);

  /* Not already created? */
  if(pstResult == orxNULL)
  {
    /* Pushes section */
    if((orxConfig_HasSection(_zConfigID) != orxFALSE)
    && (orxConfig_PushSection(_zConfigID) != orxSTATUS_FAILURE))
    {
      /* Creates 2D default camera */
      pstResult = orxCamera_Create(orxCAMERA_KU32_FLAG_2D);

      /* Valid? */
      if(pstResult != orxNULL)
      {
        orxVECTOR vPosition;
        orxFLOAT  fNear, fFar, fWidth, fHeight;

        /* Gets frustum info */
        fNear   = orxConfig_GetFloat(orxCAMERA_KZ_CONFIG_FRUSTUM_NEAR);
        fFar    = orxConfig_GetFloat(orxCAMERA_KZ_CONFIG_FRUSTUM_FAR);
        fWidth  = orxConfig_GetFloat(orxCAMERA_KZ_CONFIG_FRUSTUM_WIDTH);
        fHeight = orxConfig_GetFloat(orxCAMERA_KZ_CONFIG_FRUSTUM_HEIGHT);

        /* Applies it */
        orxCamera_SetFrustum(pstResult, fWidth, fHeight, fNear, fFar);

        /* Has zoom? */
        if(orxConfig_HasValue(orxCAMERA_KZ_CONFIG_ZOOM) != orxFALSE)
        {
          orxFLOAT fZoom;

          /* Gets config zoom */
          fZoom = orxConfig_GetFloat(orxCAMERA_KZ_CONFIG_ZOOM);

          /* Valid? */
          if(fZoom > orxFLOAT_0)
          {
            /* Applies it */
            orxCamera_SetZoom(pstResult, fZoom);
          }
        }

        /* Has a position? */
        if(orxConfig_GetVector(orxCAMERA_KZ_CONFIG_POSITION, &vPosition) != orxNULL)
        {
          /* Updates camera position */
          orxCamera_SetPosition(pstResult, &vPosition);
        }

        /* Updates object rotation */
        orxCamera_SetRotation(pstResult, orxMATH_KF_DEG_TO_RAD * orxConfig_GetFloat(orxCAMERA_KZ_CONFIG_ROTATION));

        /* Stores its reference key */
        pstResult->zReference = orxConfig_GetCurrentSection();

        /* Protects it */
        orxConfig_ProtectSection(pstResult->zReference, orxTRUE);

        /* Adds it to reference table */
        orxHashTable_Add(sstCamera.pstReferenceTable, orxString_ToCRC(pstResult->zReference), pstResult);

        /* Updates status flags */
        orxStructure_SetFlags(pstResult, orxCAMERA_KU32_FLAG_REFERENCED, orxCAMERA_KU32_FLAG_NONE);
      }

      /* Pops previous section */
      orxConfig_PopSection();
    }
    else
    {
      /* Logs message */
      orxDEBUG_PRINT(orxDEBUG_LEVEL_RENDER, "Cannot find config section named (%s).", _zConfigID);

      /* Updates result */
      pstResult = orxNULL;
    }
  }

  /* Done! */
  return pstResult;
}
Exemple #2
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/** Update callback
 */
void orxFASTCALL Update(const orxCLOCK_INFO *_pstClockInfo, void *_pstContext)
{
  orxVECTOR vPos, vSoldierPos;
  orxCAMERA *pstCamera;
  orxFLOAT  fWidth, fHeight, fX, fY;

  /* *** CAMERA CONTROLS *** */

  /* Gets first viewport camera */
  pstCamera = orxViewport_GetCamera(pstViewport);

  /* Camera rotate left? */
  if(orxInput_IsActive("CameraRotateLeft"))
  {
    /* Rotates camera CCW */
    orxCamera_SetRotation(pstCamera, orxCamera_GetRotation(pstCamera) + orx2F(-4.0f) * _pstClockInfo->fDT);
  }
  /* Camera rotate right? */
  if(orxInput_IsActive("CameraRotateRight"))
  {
    /* Rotates camera CW */
    orxCamera_SetRotation(pstCamera, orxCamera_GetRotation(pstCamera) + orx2F(4.0f) * _pstClockInfo->fDT);
  }

  /* Camera zoom in? */
  if(orxInput_IsActive("CameraZoomIn"))
  {
    /* Camera zoom in */
    orxCamera_SetZoom(pstCamera, orxCamera_GetZoom(pstCamera) * orx2F(1.02f));
  }
  /* Camera zoom out? */
  if(orxInput_IsActive("CameraZoomOut"))
  {
    /* Camera zoom out */
    orxCamera_SetZoom(pstCamera, orxCamera_GetZoom(pstCamera) * orx2F(0.98f));
  }

  /* Gets camera position */
  orxCamera_GetPosition(pstCamera, &vPos);

  /* Camera right? */
  if(orxInput_IsActive("CameraRight"))
  {
    /* Updates position */
    vPos.fX += orx2F(500) * _pstClockInfo->fDT;
  }
  /* Camera left? */
  if(orxInput_IsActive("CameraLeft"))
  {
    /* Updates position */
    vPos.fX -= orx2F(500) * _pstClockInfo->fDT;
  }
  /* Camera down? */
  if(orxInput_IsActive("CameraDown"))
  {
    /* Updates position */
    vPos.fY += orx2F(500) * _pstClockInfo->fDT;
  }
  /* Camera up? */
  if(orxInput_IsActive("CameraUp"))
  {
    /* Updates position */
    vPos.fY -= orx2F(500) * _pstClockInfo->fDT;
  }

  /* Updates camera position */
  orxCamera_SetPosition(pstCamera, &vPos);


  /* *** VIEWPORT CONTROLS *** */

  /* Gets viewport size */
  orxViewport_GetRelativeSize(pstViewport, &fWidth, &fHeight);

  /* Viewport scale up? */
  if(orxInput_IsActive("ViewportScaleUp"))
  {
    /* Scales viewport up */
    fWidth *= orx2F(1.02f);
    fHeight*= orx2F(1.02f);
  }
  /* Viewport scale down? */
  if(orxInput_IsActive("ViewportScaleDown"))
  {
    /* Scales viewport down */
    fWidth *= orx2F(0.98f);
    fHeight*= orx2F(0.98f);
  }

  /* Updates viewport size */
  orxViewport_SetRelativeSize(pstViewport, fWidth, fHeight);

  /* Gets viewport position */
  orxViewport_GetPosition(pstViewport, &fX, &fY);

  /* Viewport right? */
  if(orxInput_IsActive("ViewportRight"))
  {
    /* Updates position */
    fX += orx2F(500) * _pstClockInfo->fDT;
  }
  /* Viewport left? */
  if(orxInput_IsActive("ViewportLeft"))
  {
    /* Updates position */
    fX -= orx2F(500) * _pstClockInfo->fDT;
  }
  /* Viewport down? */
  if(orxInput_IsActive("ViewportDown"))
  {
    /* Updates position */
    fY += orx2F(500) * _pstClockInfo->fDT;
  }
  /* Viewport up? */
  if(orxInput_IsActive("ViewportUp"))
  {
    /* Updates position */
    fY -= orx2F(500) * _pstClockInfo->fDT;
  }

  /* Updates viewport position */
  orxViewport_SetPosition(pstViewport, fX, fY);

  /* *** SOLDIER MOVE UPDATE *** */

  /* Gets mouse world position? */
  orxRender_GetWorldPosition(orxMouse_GetPosition(&vPos), orxNULL, &vPos);

  /* Gets object current position */
  orxObject_GetWorldPosition(pstSoldier, &vSoldierPos);

  /* Keeps Z value */
  vPos.fZ = vSoldierPos.fZ;

  /* Moves the soldier under the cursor */
  orxObject_SetPosition(pstSoldier, &vPos);
}