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guiCameraView.cpp

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  1. //-----------------------------------------------------------------------------
  2. // Copyright (c) 2012 GarageGames, LLC
  3. //
  4. // Permission is hereby granted, free of charge, to any person obtaining a copy
  5. // of this software and associated documentation files (the "Software"), to
  6. // deal in the Software without restriction, including without limitation the
  7. // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
  8. // sell copies of the Software, and to permit persons to whom the Software is
  9. // furnished to do so, subject to the following conditions:
  10. //
  11. // The above copyright notice and this permission notice shall be included in
  12. // all copies or substantial portions of the Software.
  13. //
  14. // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15. // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16. // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  17. // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18. // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  19. // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  20. // IN THE SOFTWARE.
  21. //-----------------------------------------------------------------------------
  22.  
  23. #include "guiCameraView.h"
  24. #include "console/consoleTypes.h"
  25. #include "T3D/gameBase/gameBase.h"
  26. #include "T3D/gameBase/gameConnection.h"
  27. #include "T3D/shapeBase.h"
  28. #include "T3D/gameFunctions.h"
  29. #include "console/engineAPI.h"
  30.  
  31. #include "T3D/camera.h"
  32.  
  33. //----------------------------------------------------------------------------
  34. // Class: GuiCameraView
  35. //----------------------------------------------------------------------------
  36.  
  37. IMPLEMENT_CONOBJECT(GuiCameraView);
  38.  
  39. ConsoleDocClass( GuiCameraView,
  40. "@brief A custom 3D viewport from a selected camera.\n\n"
  41. "@ingroup Gui3D\n");
  42.  
  43. GuiCameraView::GuiCameraView()
  44. {
  45. mCameraName = StringTable->insert("");
  46. mOrthoMode = false;
  47. mCam_nearPlane = 0;
  48. mCam_farPlane = 0;
  49. mPostFX = false;
  50. }
  51. //---------------------------------------------------------------------------
  52. F32 GuiCameraView::getFOVdata()
  53. {
  54. if(mForceFOV != 0)
  55. return mForceFOV;
  56. else
  57. {
  58. SimObject *obj = Sim::findObject(mCameraName);
  59. if (!obj)
  60. return Con::getFloatVariable("$cameraFov",45.0f);
  61. bool is_camera=false;
  62. AbstractClassRep* pRep = obj->getClassRep();
  63. while(pRep)
  64. {
  65. if( !dStricmp(pRep->getClassName(), "Camera" ) )
  66. {
  67. //matches
  68. is_camera = true;
  69. }
  70. pRep = pRep->getParentClass();
  71. }
  72. if (!is_camera)
  73. return Con::getFloatVariable("$cameraFov",45.0f);
  74. ShapeBase *camobj = dynamic_cast<ShapeBase*>(obj);
  75. F32 FOVdata=camobj->getCameraFov();
  76. return (FOVdata!=0)? FOVdata : Con::getFloatVariable("$cameraFov",45.0f);
  77. }
  78. }
  79.  
  80. bool GuiCameraView::processCameraQuery(CameraQuery *camq)
  81. {
  82. //mCameraName can be also a number id in a string as findObject auto-detects that
  83. SimObject *obj = Sim::findObject(mCameraName);
  84. if (!obj)
  85. return false;
  86.  
  87. bool is_camera=false;
  88. AbstractClassRep* pRep = obj->getClassRep();
  89. while(pRep)
  90. {
  91. if( !dStricmp(pRep->getClassName(), "Camera" ) )
  92. {
  93. //matches
  94. is_camera = true;
  95. }
  96.  
  97. pRep = pRep->getParentClass();
  98. }
  99.  
  100. if (!is_camera)
  101. return false;
  102.  
  103. Camera *camobj = dynamic_cast<Camera*>(obj);
  104.  
  105. camq->object = obj;
  106.  
  107. if (mCam_nearPlane !=0)
  108. {
  109. camq->nearPlane = mCam_nearPlane;
  110. }
  111. else
  112. {
  113. camq->nearPlane = gClientSceneGraph->getNearClip();
  114. }
  115.  
  116. camq->cameraMatrix = camobj->getTransform();
  117.  
  118. if (mCam_farPlane !=0)
  119. {
  120. camq->farPlane = mCam_farPlane;
  121. }
  122. else
  123. {
  124. // Scale the normal visible distance by the performance
  125. // tuning scale which we never let over 1.
  126. F32 visible_distance_scale = Con::getFloatVariable("$pref::Camera::distanceScale",1.0f);
  127. visible_distance_scale = mClampF( visible_distance_scale, 0.01f, 1.0f );
  128. camq->farPlane = gClientSceneGraph->getVisibleDistance() * visible_distance_scale;
  129. }
  130.  
  131. camq->eyeTransforms[0] = camq->cameraMatrix;
  132. camq->eyeTransforms[1] = camq->cameraMatrix;
  133. camq->ortho = mOrthoMode;
  134.  
  135. if(mForceFOV != 0)
  136. camq->fov = mDegToRad(mForceFOV);
  137. else
  138. {
  139. ShapeBase *camobjshapebase = dynamic_cast<ShapeBase*>(obj);
  140. F32 FOVdata=camobjshapebase->getCameraFov();
  141. if (FOVdata!=0)
  142. camq->fov = mDegToRad(FOVdata);
  143. else
  144. camq->fov = mDegToRad(Con::getFloatVariable("$cameraFov",45.0f));
  145. }
  146. return true;
  147. }
  148.  
  149. void GuiCameraView::renderWorld(const RectI &updateRect)
  150. {
  151. //Parent::renderWorld(updateRect);
  152. //return;
  153.  
  154. PROFILE_START(GuiCamViewRenderWorld);
  155.  
  156. SceneRenderState state
  157. (
  158. gClientSceneGraph,
  159. SPT_Diffuse,
  160. SceneCameraState::fromGFX(),
  161. gClientSceneGraph->getDefaultRenderPass(),
  162. mPostFX//false
  163. );
  164.  
  165. gClientSceneGraph->renderScene( &state );
  166. GFX->updateStates();
  167. PROFILE_END();
  168. }
  169.  
  170. //---------------------------------------------------------------------------
  171.  
  172. void GuiCameraView::initPersistFields()
  173. {
  174. addGroup( "SelectedCamera" );
  175.  
  176. addField("camera", TypeString, Offset( mCameraName, GuiCameraView ),
  177. "Global name or id of the camera object for this view." );
  178. addField( "orthoMode", TypeBool, Offset( mOrthoMode, GuiCameraView ),
  179. "Enables orthographic projection." );
  180. addField( "nearClip", TypeF32, Offset( mCam_nearPlane, GuiCameraView ),
  181. "Closest distance from the camera's position to render the world. "
  182. "Use 0 for LevelInfo default." );
  183. addField( "visibleDistance", TypeF32, Offset( mCam_farPlane, GuiCameraView ),
  184. "Furthest distance from the camera's position to render the world. "
  185. "Use 0 for LevelInfo default." );
  186. addField( "enablePostFX", TypeBool, Offset( mPostFX, GuiCameraView ),
  187. "Enables PostFX." );
  188.  
  189. endGroup( "SelectedCamera" );
  190.  
  191. Parent::initPersistFields();
  192.  
  193. removeField( "cameraZRot" );
  194. removeField( "renderStyle" );
  195. }
  196.  
  197. //-----------------------------------------------------------------------------
  198.  
  199. DefineEngineMethod( GuiCameraView, getFOV, F32, (),,
  200. "@brief Gets the FOV used in this view.\n")
  201. {
  202. return object->getFOVdata();
  203. }
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