mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-01-19 20:24:49 +00:00
276 lines
8.6 KiB
C++
276 lines
8.6 KiB
C++
//-----------------------------------------------------------------------------
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// Copyright (c) 2012 GarageGames, LLC
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//-----------------------------------------------------------------------------
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#ifndef _DECALMANAGER_H_
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#define _DECALMANAGER_H_
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#ifndef _SCENEOBJECT_H_
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#include "scene/sceneObject.h"
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#endif
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#ifndef _MATHUTIL_FRUSTUM_H_
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#include "math/util/frustum.h"
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#endif
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#ifndef _GFXPRIMITIVEBUFFER_H_
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#include "gfx/gfxPrimitiveBuffer.h"
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#endif
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#ifndef _GFXDEVICE_H_
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#include "gfx/gfxDevice.h"
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#endif
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#ifndef _CLIPPEDPOLYLIST_H_
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#include "collision/clippedPolyList.h"
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#endif
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#ifndef _DECALDATAFILE_H_
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#include "decalDataFile.h"
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#endif
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#ifndef __RESOURCE_H__
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#include "core/resource.h"
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#endif
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#ifndef _DECALINSTANCE_H_
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#include "decalInstance.h"
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#endif
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#ifndef _TSIGNAL_H_
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#include "core/util/tSignal.h"
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#endif
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#ifndef _DATACHUNKER_H_
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#include "core/dataChunker.h"
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#endif
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//#define DECALMANAGER_DEBUG
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struct ObjectRenderInst;
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class Material;
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enum DecalFlags
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{
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PermanentDecal = 1 << 0,
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SaveDecal = 1 << 1,
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ClipDecal = 1 << 2,
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CustomDecal = 1 << 3 // DecalManager will not attempt to clip or remove this decal
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// it is managed by someone else.
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};
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/// Manage decals in the scene.
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class DecalManager : public SceneObject
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{
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public:
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typedef SceneObject Parent;
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// [rene, 11-Mar-11] This vector is very poorly managed; the logic is spread all over the place
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Vector<DecalInstance *> mDecalInstanceVec;
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protected:
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/// The clipper we keep around between decal updates
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/// to avoid excessive memory allocations.
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ClippedPolyList mClipper;
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Vector<DecalInstance*> mDecalQueue;
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StringTableEntry mDataFileName;
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Resource<DecalDataFile> mData;
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Signal< void() > mClearDataSignal;
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Vector< GFXVertexBufferHandle<DecalVertex>* > mVBs;
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Vector< GFXPrimitiveBufferHandle* > mPBs;
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Vector< GFXVertexBufferHandle<DecalVertex>* > mVBPool;
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Vector< GFXPrimitiveBufferHandle* > mPBPool;
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DecalInstance::DecalDataChunker mChunkers;
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#ifdef DECALMANAGER_DEBUG
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Vector<PlaneF> mDebugPlanes;
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#endif
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bool mDirty;
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struct DecalBatch
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{
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U32 startDecal;
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U32 decalCount;
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U32 iCount;
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U32 vCount;
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U8 priority;
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Material *mat;
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BaseMatInstance *matInst;
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bool dynamic;
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};
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/// Whether to render visualizations for debugging in the editor.
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static bool smDebugRender;
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static bool smDecalsOn;
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static F32 smDecalLifeTimeScale;
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static bool smPoolBuffers;
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static const U32 smMaxVerts;
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static const U32 smMaxIndices;
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// Assume that a class is already given for the object:
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// Point with coordinates {float x, y;}
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//===================================================================
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// isLeft(): tests if a point is Left|On|Right of an infinite line.
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// Input: three points P0, P1, and P2
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// Return: >0 for P2 left of the line through P0 and P1
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// =0 for P2 on the line
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// <0 for P2 right of the line
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// See: the January 2001 Algorithm on Area of Triangles
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inline F32 isLeft( const Point3F &P0, const Point3F &P1, const Point3F &P2 )
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{
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return (P1.x - P0.x)*(P2.y - P0.y) - (P2.x - P0.x)*(P1.y - P0.y);
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}
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U32 _generateConvexHull( const Vector<Point3F> &points, Vector<Point3F> *outPoints );
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// Rendering
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void prepRenderImage( SceneRenderState *state ) override;
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void _generateWindingOrder( const Point3F &cornerPoint, Vector<Point3F> *sortPoints );
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// Helpers for creating and deleting the vert and index arrays
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// held by DecalInstance.
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void _allocBuffers( DecalInstance *inst );
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void _freeBuffers( DecalInstance *inst );
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void _freePools();
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// Hide this from Doxygen
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/// @cond
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bool _handleGFXEvent(GFXDevice::GFXDeviceEventType event);
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/// @endcond
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void _renderDecalSpheres( ObjectRenderInst* inst, SceneRenderState* state, BaseMatInstance* overrideMat );
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///
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void _handleZoningChangedEvent( SceneZoneSpaceManager* zoneManager );
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bool _createDataFile();
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// SceneObject.
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bool onSceneAdd() override;
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void onSceneRemove() override; public:
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public:
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DecalManager();
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~DecalManager();
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/// @name Decal Addition
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/// @{
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/// Adds a decal using a normal and a rotation.
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///
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/// @param pos The 3d position for the decal center.
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/// @param normal The decal up vector.
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/// @param rotAroundNormal The decal rotation around the normal.
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/// @param decalData The datablock which defines this decal.
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/// @param decalScale A scalar for adjusting the default size of the decal.
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/// @param decalTexIndex Selects the texture coord index within the decal
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/// data to use. If it is less than zero then a random
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/// coord is selected.
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/// @param flags The decal flags. @see DecalFlags
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///
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DecalInstance* addDecal( const Point3F &pos,
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const Point3F &normal,
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F32 rotAroundNormal,
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DecalData *decalData,
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F32 decalScale = 1.0f,
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S32 decalTexIndex = 0,
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U8 flags = 0x000 );
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/// Adds a decal using a normal and a tangent.
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///
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/// @param pos The 3d position for the decal center.
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/// @param normal The decal up vector.
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/// @param tanget The decal right vector.
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/// @param decalData The datablock which defines this decal.
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/// @param decalScale A scalar for adjusting the default size of the decal.
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/// @param decalTexIndex Selects the texture coord index within the decal
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/// data to use. If it is less than zero then a random
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/// coord is selected.
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/// @param flags The decal flags. @see DecalFlags
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///
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DecalInstance* addDecal( const Point3F &pos,
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const Point3F &normal,
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const Point3F &tangent,
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DecalData *decalData,
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F32 decalScale = 1.0f,
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S32 decalTexIndex = 0,
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U8 flags = 0 );
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/// @}
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/// @name Decal Removal
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/// @{
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void removeDecal( DecalInstance *inst );
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/// @}
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DecalInstance* getDecal( S32 id );
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DecalInstance* getClosestDecal( const Point3F &pos );
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/// Return the closest DecalInstance hit by a ray.
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DecalInstance* raycast( const Point3F &start, const Point3F &end, bool savedDecalsOnly = true );
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//void dataDeleted( DecalData *data );
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void saveDecals( const UTF8 *fileName );
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bool loadDecals( const UTF8 *fileName );
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void clearData();
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/// Returns true if changes have been made since the last load/save
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bool isDirty() const { return mDirty; }
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bool clipDecal( DecalInstance *decal, Vector<Point3F> *edgeVerts = NULL, const Point2F *clipDepth = NULL );
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void notifyDecalModified( DecalInstance *inst );
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Signal< void() >& getClearDataSignal() { return mClearDataSignal; }
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Resource<DecalDataFile> getDecalDataFile() { return mData; }
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// SimObject.
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DECLARE_CONOBJECT( DecalManager );
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DECLARE_CATEGORY("UNLISTED");
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static void consoleInit();
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};
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extern DecalManager* gDecalManager;
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#endif // _DECALMANAGER_H_
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