[6741] | 1 | /** |
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[8793] | 2 | * @file fog_effect.h |
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| 3 | * Generates simple openGL fog |
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[7810] | 4 | */ |
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[6741] | 5 | |
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| 6 | #ifndef _FOG_EFFECT |
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| 7 | #define _FOG_EFFECT |
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| 8 | |
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[7810] | 9 | #include "weather_effect.h" |
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[8362] | 10 | #include "glincl.h" |
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[8495] | 11 | #include "vector.h" |
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[6741] | 12 | |
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[9235] | 13 | class CloudEffect; |
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| 14 | |
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[8793] | 15 | class FogEffect : public WeatherEffect |
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| 16 | { |
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[9715] | 17 | ObjectListDeclaration(FogEffect); |
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[8495] | 18 | public: |
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[8793] | 19 | FogEffect(const TiXmlElement* root = NULL); |
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| 20 | virtual ~FogEffect(); |
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[8362] | 21 | |
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[8793] | 22 | virtual void loadParams(const TiXmlElement* root); |
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[6741] | 23 | |
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[8793] | 24 | virtual void init(); |
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[6741] | 25 | |
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[8793] | 26 | virtual void activate(); |
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| 27 | virtual void deactivate(); |
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[6741] | 28 | |
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[8793] | 29 | void activateFog() |
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| 30 | { |
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| 31 | this->activate(); |
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| 32 | } |
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[6772] | 33 | |
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[8793] | 34 | void deactivateFog() |
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| 35 | { |
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| 36 | this->deactivate(); |
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| 37 | } |
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[8255] | 38 | |
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[8793] | 39 | virtual void draw() const; |
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| 40 | virtual void tick(float dt); |
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[8255] | 41 | |
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[8793] | 42 | inline void setFogMode(const std::string& mode) |
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| 43 | { |
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| 44 | this->fogMode = this->stringToFogMode(mode); |
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| 45 | } |
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[6772] | 46 | |
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[8793] | 47 | inline void setFogDensity(float density) |
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| 48 | { |
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| 49 | this->fogDensity = density; |
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| 50 | } |
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[8255] | 51 | |
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[8793] | 52 | inline void setFogRange(float start, float end) |
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| 53 | { |
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| 54 | this->fogStart = start; |
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| 55 | this->fogEnd = end; |
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| 56 | } |
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[6772] | 57 | |
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[8793] | 58 | inline void setFogColor(float r, float g, float b) |
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| 59 | { |
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| 60 | this->colorVector = Vector(r, g, b); |
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| 61 | } |
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| 62 | |
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| 63 | inline void setFogFadeIn(float fadein) |
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| 64 | { |
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| 65 | this->fogFadeInDuration = fadein; |
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| 66 | } |
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| 67 | |
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| 68 | inline void setFogFadeOut(float fadeout) |
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| 69 | { |
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| 70 | this->fogFadeOutDuration = fadeout; |
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| 71 | } |
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| 72 | |
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| 73 | inline void setFogOption(const std::string& option) |
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| 74 | { |
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| 75 | if (option == "activate") |
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| 76 | this->fogActivate = true; |
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| 77 | } |
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[9686] | 78 | |
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[9235] | 79 | inline void setCloudColor(float colorX, float colorY, float colorZ) |
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| 80 | { |
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| 81 | this->cloudColor = Vector(colorX, colorY, colorZ); |
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| 82 | } |
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| 83 | inline void setSkyColor(float colorX, float colorY, float colorZ) |
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| 84 | { |
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| 85 | this->skyColor = Vector(colorX, colorY, colorZ); |
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| 86 | } |
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[8793] | 87 | |
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| 88 | void fadeInFog(); |
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| 89 | void fadeOutFog(); |
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| 90 | |
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| 91 | |
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[8495] | 92 | private: |
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[8793] | 93 | inline GLint stringToFogMode(const std::string& mode) |
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| 94 | { |
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| 95 | if(mode == "GL_LINEAR") |
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| 96 | return GL_LINEAR; |
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| 97 | else if(mode == "GL_EXP") |
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| 98 | return GL_EXP; |
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| 99 | else if(mode == "GL_EXP2" ) |
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| 100 | return GL_EXP2; |
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| 101 | else |
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| 102 | return -1; |
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| 103 | } |
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[8362] | 104 | |
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[8793] | 105 | bool fogActivate; |
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[8255] | 106 | |
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[8793] | 107 | bool fogFadeInActivate; |
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| 108 | bool fogFadeOutActivate; |
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[8495] | 109 | |
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[8793] | 110 | GLfloat fogFadeInDuration; |
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| 111 | GLfloat fogFadeOutDuration; |
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[8495] | 112 | |
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[8793] | 113 | GLint fogMode; |
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| 114 | GLfloat fogDensity; |
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| 115 | GLfloat fogFadeDensity; |
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[8495] | 116 | |
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[8793] | 117 | GLfloat fogStart; |
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| 118 | GLfloat fogEnd; |
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| 119 | GLfloat fogFadeEnd; |
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[8495] | 120 | |
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[8793] | 121 | Vector colorVector; |
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[9686] | 122 | float localTimer; |
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| 123 | |
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[9235] | 124 | Vector oldSkyColor; |
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| 125 | Vector oldCloudColor; |
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| 126 | Vector skyColor; |
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| 127 | Vector cloudColor; |
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[6741] | 128 | }; |
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| 129 | |
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[7810] | 130 | #endif /* _FOG_EFFECT */ |
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