1 | #ifndef __MATERIAL_H
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2 | #define __MATERIAL_H
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3 |
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4 | #include "glInterface.h"
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5 | #include <Cg/cg.h>
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6 | #include <Cg/cgGL.h>
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7 | #include "common.h"
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8 |
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9 |
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10 | namespace CHCDemoEngine
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11 | {
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12 |
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13 | class Texture;
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14 | class RenderState;
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15 |
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16 |
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17 | class RgbaColor
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18 | {
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19 |
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20 | public:
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21 |
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22 | float r, g, b, a;
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23 |
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24 | RgbaColor(): r(1), g(1), b(1), a(1)
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25 | {}
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26 |
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27 | RgbaColor(float _r, float _g, float _b, float _a): r(_r), g(_g), b(_b), a(_a)
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28 | {}
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29 |
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30 | friend RgbaColor RandomColor(float a = 0.0f, float b = 1.0f);
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31 | };
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32 |
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33 |
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34 | // Forward declarations
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35 | RgbaColor RandomColor(float a, float b);
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36 |
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37 |
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38 |
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39 | class Material
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40 | {
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41 | friend class ResourceManager;
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42 |
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43 | public:
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44 |
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45 | Material();
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46 |
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47 | Material(const RgbaColor &color);
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48 |
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49 | friend Material RandomMaterial();
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50 |
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51 | inline Texture *GetTexture() const { return mTexture; }
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52 |
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53 | inline RgbaColor GetAmbient() const { return mAmbientColor; }
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54 | inline RgbaColor GetDiffuse() const { return mDiffuseColor; }
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55 | inline RgbaColor GetSpecular() const { return mSpecularColor; }
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56 | inline RgbaColor GetEmmisive() const { return mEmmisiveColor; }
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57 |
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58 | inline void SetTexture(Texture *texture) { mTexture = texture; }
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59 |
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60 | inline void SetAmbient(const RgbaColor &color) { mAmbientColor = color; }
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61 | inline void SetDiffuse(const RgbaColor &color) { mDiffuseColor = color; }
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62 | inline void SetSpecular(const RgbaColor &color) { mSpecularColor = color; }
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63 | inline void SetEmmisive(const RgbaColor &color) { mEmmisiveColor = color; }
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64 |
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65 | inline void SetAlphaTestEnabled(bool alpha) { mAlphaTestEnabled = alpha; }
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66 | inline bool IsAlphaTestEnabled() const { return mAlphaTestEnabled; }
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67 | /** Renders this material.
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68 | */
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69 | void Render(RenderState *state);
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70 | /** Initialize the material with default values
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71 | */
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72 | void InitMaterial();
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73 |
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74 | static CGparameter sDiffuseParam;
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75 | static CGparameter sDiffuseTexParam;
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76 |
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77 | static CGparameter sAmbientParam;
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78 | static CGparameter sAmbientTexParam;
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79 |
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80 | protected:
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81 |
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82 | ///////////
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83 |
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84 | RgbaColor mDiffuseColor;
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85 | RgbaColor mSpecularColor;
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86 | RgbaColor mAmbientColor;
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87 | RgbaColor mEmmisiveColor;
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88 |
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89 | bool mAlphaTestEnabled;
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90 | /// the assciated texture
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91 | Texture *mTexture;
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92 | };
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93 |
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94 |
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95 | extern Material RandomMaterial();
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96 |
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97 | }
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98 |
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99 | #endif
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