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  1. #ifndef _DEPTH_H_
  2. #define _DEPTH_H_
  3.  
  4. #include "brender/br_types.h"
  5. #include "dr_types.h"
  6.  
  7. extern tDepth_effect gDistance_depth_effects[4];
  8. extern int gSky_on;
  9. extern int gDepth_cueing_on;
  10. extern tDepth_effect_type gSwap_depth_effect_type;
  11. extern br_scalar gSky_height;
  12. extern br_scalar gSky_x_multiplier;
  13. extern br_scalar gSky_width;
  14. extern br_scalar gSky_y_multiplier;
  15. extern tU32 gLast_depth_change;
  16. extern br_scalar gOld_yon;
  17. extern br_pixelmap* gWater_shade_table;
  18. extern br_material* gHorizon_material;
  19. extern br_model* gRearview_sky_model;
  20. extern int gFog_shade_table_power;
  21. extern br_actor* gRearview_sky_actor;
  22. extern int gAcid_shade_table_power;
  23. extern int gWater_shade_table_power;
  24. extern br_model* gForward_sky_model;
  25. extern br_actor* gForward_sky_actor;
  26. extern int gDepth_shade_table_power;
  27. extern br_pixelmap* gFog_shade_table;
  28. extern int gSwap_depth_effect_start;
  29. extern br_pixelmap* gDepth_shade_table;
  30. extern tSpecial_volume* gLast_camera_special_volume;
  31. extern br_pixelmap* gAcid_shade_table;
  32. extern int gSwap_depth_effect_end;
  33. extern br_pixelmap* gSwap_sky_texture;
  34. extern br_angle gOld_fov;
  35. extern br_angle gSky_image_width;
  36. extern br_angle gSky_image_height;
  37. extern br_angle gSky_image_underground;
  38.  
  39. int Log2(int pNumber);
  40.  
  41. br_scalar CalculateWrappingMultiplier(br_scalar pValue, br_scalar pYon);
  42.  
  43. br_scalar DepthCueingShiftToDistance(int pShift);
  44.  
  45. void FogAccordingToGPSCDE(br_material* pMaterial);
  46.  
  47. void FrobFog(void);
  48.  
  49. void InstantDepthChange(tDepth_effect_type pType, br_pixelmap* pSky_texture, int pStart, int pEnd);
  50.  
  51. br_scalar Tan(br_scalar pAngle);
  52.  
  53. br_scalar EdgeU(br_angle pSky, br_angle pView, br_angle pPerfect);
  54.  
  55. void MungeSkyModel(br_actor* pCamera, br_model* pModel);
  56.  
  57. br_model* CreateHorizonModel(br_actor* pCamera);
  58.  
  59. void LoadDepthTable(char* pName, br_pixelmap** pTable, int* pPower);
  60.  
  61. void InitDepthEffects(void);
  62.  
  63. void DoDepthByShadeTable(br_pixelmap* pRender_buffer, br_pixelmap* pDepth_buffer, br_pixelmap* pShade_table, int pShade_table_power, int pStart, int pEnd);
  64.  
  65. void ExternalSky(br_pixelmap* pRender_buffer, br_pixelmap* pDepth_buffer, br_actor* pCamera, br_matrix34* pCamera_to_world);
  66.  
  67. void DoHorizon(br_pixelmap* pRender_buffer, br_pixelmap* pDepth_buffer, br_actor* pCamera, br_matrix34* pCamera_to_world);
  68.  
  69. void DoDepthCue(br_pixelmap* pRender_buffer, br_pixelmap* pDepth_buffer);
  70.  
  71. void DoFog(br_pixelmap* pRender_buffer, br_pixelmap* pDepth_buffer);
  72.  
  73. void DepthEffect(br_pixelmap* pRender_buffer, br_pixelmap* pDepth_buffer, br_actor* pCamera, br_matrix34* pCamera_to_world);
  74.  
  75. void DepthEffectSky(br_pixelmap* pRender_buffer, br_pixelmap* pDepth_buffer, br_actor* pCamera, br_matrix34* pCamera_to_world);
  76.  
  77. void DoWobbleCamera(br_actor* pCamera);
  78.  
  79. void DoDrugWobbleCamera(br_actor* pCamera);
  80.  
  81. void DoSpecialCameraEffect(br_actor* pCamera, br_matrix34* pCamera_to_world);
  82.  
  83. void LessDepthFactor(void);
  84.  
  85. void MoreDepthFactor(void);
  86.  
  87. void LessDepthFactor2(void);
  88.  
  89. void MoreDepthFactor2(void);
  90.  
  91. void AssertYons(void);
  92.  
  93. void IncreaseYon(void);
  94.  
  95. void DecreaseYon(void);
  96.  
  97. void SetYon(br_scalar pYon);
  98.  
  99. br_scalar GetYon(void);
  100.  
  101. void IncreaseAngle(void);
  102.  
  103. void DecreaseAngle(void);
  104.  
  105. void ToggleDepthMode(void);
  106.  
  107. int GetSkyTextureOn(void);
  108.  
  109. void SetSkyTextureOn(int pOn);
  110.  
  111. void ToggleSkyQuietly(void);
  112.  
  113. void ToggleSky(void);
  114.  
  115. int GetDepthCueingOn(void);
  116.  
  117. void SetDepthCueingOn(int pOn);
  118.  
  119. void ToggleDepthCueingQuietly(void);
  120.  
  121. void ToggleDepthCueing(void);
  122.  
  123. void ChangeDepthEffect(void);
  124.  
  125. void MungeForwardSky(void);
  126.  
  127. void MungeRearviewSky(void);
  128.  
  129. #endif
  130.