121 lines
4.8 KiB
C++
121 lines
4.8 KiB
C++
/*
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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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// FILE: Snow.h /////////////////////////////////////////////////////////
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#pragma once
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#ifndef _SNOW_H_
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#define _SNOW_H_
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#include "Lib/BaseType.h"
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#include "Common/SubsystemInterface.h"
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#include "Common/Overridable.h"
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#include "Common/Override.h"
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#include "WWMATH/Vector3.h"
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#include "WWMATH/Vector4.h"
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//-------------------------------------------------------------------------------------------------
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/** This structure keeps the transparency and vertex settings, which are the same regardless of the
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time of day. They can be overridden on a per-map basis. */
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//-------------------------------------------------------------------------------------------------
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class WeatherSetting : public Overridable
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{
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MEMORY_POOL_GLUE_WITH_USERLOOKUP_CREATE( WeatherSetting, "WeatherSetting" )
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public:
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AsciiString m_snowTexture;
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Real m_snowFrequencyScaleX; ///<used to adjust snow position.
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Real m_snowFrequencyScaleY; ///<used to adjust snow position.
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Real m_snowAmplitude; ///<used to adjust amount of of snow movement. (in world units)
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Real m_snowPointSize; ///<used to control hardware point-sprite size. (in arbitrary units - see DX SDK Docs).
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Real m_snowMaxPointSize; ///<used to control maximum size (in pixels) of point sprite.
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Real m_snowMinPointSize; ///<used to control the minimum size (in piexels) of point sprite.
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Real m_snowQuadSize; ///<used to control quad size when no hardware point sprites. (world width/height of quad)
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Real m_snowBoxDimensions; ///<used to set dimensions of box surrounding camera. (world units)
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Real m_snowBoxDensity; ///<used to control how many emitters are present per world unit
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Real m_snowVelocity; ///<used to set speed at which snow falls (world units/sec).
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Bool m_usePointSprites; ///<used to disable hardware point-sprite support.
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Bool m_snowEnabled; ///<enable/disable snow on the map.
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public:
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WeatherSetting()
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{
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m_snowTexture = "EXSnowFlake.tga";
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m_snowFrequencyScaleX=0.0533f;
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m_snowFrequencyScaleY=0.0275f;
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m_snowAmplitude=5.0f;
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m_snowPointSize=1.0f;
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m_snowQuadSize=0.5f;
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m_snowBoxDimensions=200;
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m_snowBoxDensity=1;
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m_snowVelocity=4;
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m_usePointSprites=TRUE;
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m_snowEnabled=FALSE;
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m_snowMaxPointSize=64.0f;
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m_snowMinPointSize=0.0f;
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}
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static const FieldParse m_weatherSettingFieldParseTable[]; ///< the parse table for INI definition
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/// Get the INI parsing table for loading
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const FieldParse *getFieldParse( void ) const { return m_weatherSettingFieldParseTable; }
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};
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EMPTY_DTOR(WeatherSetting)
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extern OVERRIDE<WeatherSetting> TheWeatherSetting;
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class SnowManager : public SubsystemInterface
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{
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public :
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enum{
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SNOW_NOISE_X=64, //dimensions table holding noise function used for initial snow positions.
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SNOW_NOISE_Y=64, //dimensions table holding noise function used for initial snow positions.
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};
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SnowManager(void);
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~SnowManager(void);
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virtual void init( void );
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virtual void reset( void );
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virtual void updateIniSettings (void);
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void setVisible(Bool showWeather); ///<enable/disable rendering of weather - assuming it's available on map.
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protected :
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Real *m_startingHeights;
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Real m_time; ///<time elapsed since it started snowing.
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Real m_velocity; ///<positive velocity of falling snow
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Real m_fullTimePeriod; ///<time for snow to complete a full animation cycle.
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Real m_frequencyScaleX; ///<used to adjust snow position.
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Real m_frequencyScaleY; ///<used to adjust snow position.
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Real m_amplitude; ///<used to adjust amount of of snow movement.
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Real m_pointSize; ///<used to control hardware point-sprite size.
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Real m_maxPointSize; ///<used to control maximum pixel size of sprites.
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Real m_minPointSize; ///<used to control minimum pixel size of sprites.
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Real m_quadSize; ///<used to control quad size when no hardware point sprites.
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Real m_boxDimensions; ///<used to set dimensions of box surrounding camera.
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Real m_emitterSpacing; ///<used to control how many emitters are present per world unit
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Bool m_isVisible; ///<used to prevent map weather (if defined) from rendering.
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};
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extern SnowManager *TheSnowManager; ///< the ray effects singleton external
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#endif // _SNOW_H_
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