Initial commit of Command & Conquer Generals and Command & Conquer Generals Zero Hour source code.
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326
GeneralsMD/Code/GameEngine/Include/GameClient/TerrainVisual.h
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326
GeneralsMD/Code/GameEngine/Include/GameClient/TerrainVisual.h
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/*
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** Command & Conquer Generals Zero Hour(tm)
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** Copyright 2025 Electronic Arts Inc.
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**
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** This program is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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////////////////////////////////////////////////////////////////////////////////
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// //
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// (c) 2001-2003 Electronic Arts Inc. //
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// //
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////////////////////////////////////////////////////////////////////////////////
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// FILE: TerrainVisual.h //////////////////////////////////////////////////////////////////////////
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// Interface for visual representation of terrain on the client
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// Author: Colin Day, April 2001
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///////////////////////////////////////////////////////////////////////////////////////////////////
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#pragma once
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#ifndef __TERRAINVISUAL_H_
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#define __TERRAINVISUAL_H_
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#include "Common/Terrain.h"
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#include "Common/Snapshot.h"
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#include "Common/MapObject.h"
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// FORWARD REFERENCES /////////////////////////////////////////////////////////////////////////////
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class TerrainType;
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class WaterHandle;
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class Matrix3D;
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class Object;
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class Drawable;
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class GeometryInfo;
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class WorldHeightMap;
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struct SeismicSimulationNode;
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class SeismicSimulationFilterBase;
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#define DEFAULT_SEISMIC_SIMULATION_MAGNITUDE (20.0f)
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struct SeismicSimulationNode; // just a forward declaration folks, no cause for alarm
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class SeismicSimulationFilterBase
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{
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public:
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enum SeismicSimStatusCode
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{
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SEISMIC_STATUS_INVALID,
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SEISMIC_STATUS_ACTIVE,
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SEISMIC_STATUS_ZERO_ENERGY,
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};
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virtual SeismicSimStatusCode filterCallback( WorldHeightMapInterfaceClass *heightMap, const SeismicSimulationNode *node ) = 0;
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virtual Real applyGravityCallback( Real velocityIn ) = 0;
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};
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struct SeismicSimulationNode
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{
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SeismicSimulationNode()
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{
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m_center.x = 0;
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m_center.y = 0;
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m_radius = 0;
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m_region.lo.x = 0;
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m_region.lo.y = 0;
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m_region.hi.x = 0;
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m_region.hi.y = 0;
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m_clean = FALSE;
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callbackFilter = NULL;
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m_life = 0;
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m_magnitude = DEFAULT_SEISMIC_SIMULATION_MAGNITUDE;
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}
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SeismicSimulationNode( const SeismicSimulationNode &ssn )
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{
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m_center.x = ssn.m_center.x;
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m_center.y = ssn.m_center.y;
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m_radius = ssn.m_radius;
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m_region.lo.x = ssn.m_region.lo.x;
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m_region.lo.y = ssn.m_region.lo.y;
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m_region.hi.x = ssn.m_region.hi.x;
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m_region.hi.y = ssn.m_region.hi.y;
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m_clean = ssn.m_clean;
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callbackFilter= ssn.callbackFilter;
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m_life = ssn.m_life;
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m_magnitude = ssn.m_magnitude;
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}
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SeismicSimulationNode( const Coord3D* ctr, Real rad, Real mag, SeismicSimulationFilterBase *cbf = NULL )
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{
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m_center.x = REAL_TO_INT_FLOOR(ctr->x/MAP_XY_FACTOR);
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m_center.y = REAL_TO_INT_FLOOR(ctr->y/MAP_XY_FACTOR);
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m_radius = (rad-1)/MAP_XY_FACTOR;
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UnsignedInt regionSize = rad/MAP_XY_FACTOR;
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m_region.lo.x = m_center.x - regionSize;
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m_region.lo.y = m_center.y - regionSize;
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m_region.hi.x = m_center.x + regionSize;
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m_region.hi.y = m_center.y + regionSize;
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m_clean = false;
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callbackFilter= cbf;
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m_life = 0;
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m_magnitude = mag;
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}
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SeismicSimulationFilterBase::SeismicSimStatusCode handleFilterCallback( WorldHeightMapInterfaceClass *heightMap )
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{
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if ( callbackFilter == NULL )
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return SeismicSimulationFilterBase::SEISMIC_STATUS_INVALID;
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++m_life;
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return callbackFilter->filterCallback( heightMap, this );
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}
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Real applyGravity( Real velocityIn )
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{
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DEBUG_ASSERTCRASH( callbackFilter, ("SeismicSimulationNode::applyGravity() has no callback filter!") );
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if ( callbackFilter == NULL )
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return velocityIn;//oops, we have no callback!
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return callbackFilter->applyGravityCallback( velocityIn );
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}
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IRegion2D m_region;
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ICoord2D m_center;
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Bool m_clean;
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Real m_magnitude;
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UnsignedInt m_radius;
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UnsignedInt m_life;
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SeismicSimulationFilterBase *callbackFilter;
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};
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typedef std::list<SeismicSimulationNode> SeismicSimulationList;
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typedef SeismicSimulationList::iterator SeismicSimulationListIt;
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class DomeStyleSeismicFilter : public SeismicSimulationFilterBase
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{
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virtual SeismicSimStatusCode filterCallback( WorldHeightMapInterfaceClass *heightMap, const SeismicSimulationNode *node );
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virtual Real applyGravityCallback( Real velocityIn );
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};
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//-------------------------------------------------------------------------------------------------
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/** LOD values for terrain, keep this in sync with TerrainLODNames[] */
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//-------------------------------------------------------------------------------------------------
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typedef enum _TerrainLOD
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{
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TERRAIN_LOD_INVALID = 0,
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TERRAIN_LOD_MIN = 1, // note that this is less than max
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TERRAIN_LOD_STRETCH_NO_CLOUDS = 2,
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TERRAIN_LOD_HALF_CLOUDS = 3,
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TERRAIN_LOD_NO_CLOUDS = 4,
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TERRAIN_LOD_STRETCH_CLOUDS = 5,
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TERRAIN_LOD_NO_WATER = 6,
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TERRAIN_LOD_MAX = 7, // note that this is larger than min
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TERRAIN_LOD_AUTOMATIC = 8,
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TERRAIN_LOD_DISABLE = 9,
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TERRAIN_LOD_NUM_TYPES // keep this last
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} TerrainLOD;
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#ifdef DEFINE_TERRAIN_LOD_NAMES
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static char * TerrainLODNames[] =
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{
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"NONE",
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"MIN",
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"STRETCH_NO_CLOUDS",
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"HALF_CLOUDS",
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"NO_CLOUDS",
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"STRETCH_CLOUDS",
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"NO_WATER",
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"MAX",
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"AUTOMATIC",
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"DISABLE",
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NULL
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};
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#endif // end DEFINE_TERRAIN_LOD_NAMES
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//-------------------------------------------------------------------------------------------------
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/** Device independent implementation for visual terrain */
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//-------------------------------------------------------------------------------------------------
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class TerrainVisual : public Snapshot,
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public SubsystemInterface
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{
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public:
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enum {NumSkyboxTextures = 5};
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TerrainVisual();
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virtual ~TerrainVisual();
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virtual void init( void );
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virtual void reset( void );
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virtual void update( void );
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virtual Bool load( AsciiString filename );
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/// get color of texture on the terrain at location specified
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virtual void getTerrainColorAt( Real x, Real y, RGBColor *pColor ) = 0;
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/// get the terrain tile type at the world location in the (x,y) plane ignoring Z
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virtual TerrainType *getTerrainTile( Real x, Real y ) = 0;
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/** intersect the ray with the terrain, if a hit occurs TRUE is returned
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and the result point on the terrain is returned in "result" */
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virtual Bool intersectTerrain( Coord3D *rayStart,
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Coord3D *rayEnd,
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Coord3D *result ) { return FALSE; }
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//
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// water methods
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//
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virtual void enableWaterGrid( Bool enable ) = 0;
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/// set min/max height values allowed in water grid pointed to by waterTable
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virtual void setWaterGridHeightClamps( const WaterHandle *waterTable, Real minZ, Real maxZ ) = 0;
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/// adjust fallof parameters for grid change method
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virtual void setWaterAttenuationFactors( const WaterHandle *waterTable, Real a, Real b, Real c, Real range ) = 0;
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/// set the water table position and orientation in world space
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virtual void setWaterTransform( const WaterHandle *waterTable, Real angle, Real x, Real y, Real z ) = 0;
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virtual void setWaterTransform( const Matrix3D *transform ) = 0;
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/// get water transform parameters
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virtual void getWaterTransform( const WaterHandle *waterTable, Matrix3D *transform ) = 0;
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/// water grid resolution spacing
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virtual void setWaterGridResolution( const WaterHandle *waterTable, Real gridCellsX, Real gridCellsY, Real cellSize ) = 0;
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virtual void getWaterGridResolution( const WaterHandle *waterTable, Real *gridCellsX, Real *gridCellsY, Real *cellSize ) = 0;
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/// adjust the water grid in world coords by the delta
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virtual void changeWaterHeight( Real x, Real y, Real delta ) = 0;
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/// adjust the velocity at a water grid point corresponding to the world x,y
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virtual void addWaterVelocity( Real worldX, Real worldY, Real velocity, Real preferredHeight ) = 0;
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/// get height of water grid at specified position
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virtual Bool getWaterGridHeight( Real worldX, Real worldY, Real *height) = 0;
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/// set detail of terrain tracks.
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virtual void setTerrainTracksDetail(void)=0;
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virtual void setShoreLineDetail(void)=0;
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/// Add a bib for an object at location.
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virtual void addFactionBib(Object *factionBuilding, Bool highlight, Real extra = 0)=0;
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/// Remove a bib.
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virtual void removeFactionBib(Object *factionBuilding)=0;
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/// Add a bib for a drawable at location.
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virtual void addFactionBibDrawable(Drawable *factionBuilding, Bool highlight, Real extra = 0)=0;
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/// Remove a bib.
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virtual void removeFactionBibDrawable(Drawable *factionBuilding)=0;
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virtual void removeAllBibs(void)=0;
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virtual void removeBibHighlighting(void)=0;
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virtual void removeTreesAndPropsForConstruction(
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const Coord3D* pos,
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const GeometryInfo& geom,
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Real angle
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) = 0;
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virtual void addProp(const ThingTemplate *tt, const Coord3D *pos, Real angle) = 0;
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//
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// Modify height.
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//
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virtual void setRawMapHeight(const ICoord2D *gridPos, Int height)=0;
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virtual Int getRawMapHeight(const ICoord2D *gridPos)=0;
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////////////////////////////////////////////////////
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////////////////////////////////////////////////////
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////////////////////////////////////////////////////
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#ifdef DO_SEISMIC_SIMULATIONS
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virtual void updateSeismicSimulations( void ) = 0; /// walk the SeismicSimulationList and, well, do it.
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virtual void addSeismicSimulation( const SeismicSimulationNode& sim ) = 0;
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#endif
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virtual WorldHeightMap* getLogicHeightMap( void ) {return NULL;};
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virtual WorldHeightMap* getClientHeightMap( void ) {return NULL;};
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////////////////////////////////////////////////////
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////////////////////////////////////////////////////
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////////////////////////////////////////////////////
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/// Replace the skybox texture
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virtual void replaceSkyboxTextures(const AsciiString *oldTexName[NumSkyboxTextures], const AsciiString *newTexName[NumSkyboxTextures])=0;
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protected:
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// snapshot methods
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virtual void crc( Xfer *xfer );
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virtual void xfer( Xfer *xfer );
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virtual void loadPostProcess( void );
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AsciiString m_filenameString; ///< file with terrain data
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}; // end class TerrainVisual
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// EXTERNALS //////////////////////////////////////////////////////////////////////////////////////
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extern TerrainVisual *TheTerrainVisual; ///< singleton extern
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#endif // end __TERRAINVISUAL_H_
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