#ifndef _GRAPHICS_H_
#define _GRAPHICS_H_
#include "brender/br_types.h"
#include "dr_types.h"
extern int gPalette_munged;
extern int gColourValues[1];
extern int gNext_transient;
extern int gCursor_x_offsets[8];
extern int gCursor_y_offsets[8];
extern int gCursor_gib_x_offsets[8];
extern int gCursor_gib_y_offsets[8];
extern int gCursor_giblet_sequence0[7];
extern int gCursor_giblet_sequence1[5];
extern int gCursor_giblet_sequence2[5];
extern int gCursor_giblet_sequence3[5];
extern int* gCursor_giblet_sequences[4];
extern char* gFont_names[21];
extern br_colour gRGB_colours[9];
extern br_matrix34 gSheer_mat;
extern br_matrix34 gIdentity34;
extern tShadow_level gShadow_level;
extern br_scalar gShadow_hither_z_move;
extern br_scalar gShadow_hither_min_move;
extern int gArrows[2][4][60];
extern float gMap_render_x;
extern float gMap_render_y;
extern float gMap_render_width;
extern float gMap_render_height;
extern int gMouse_started;
extern int gFaded_palette;
extern int gAR_fudge_headups;
extern br_pixelmap* gCurrent_splash;
extern br_pixelmap* gCurrent_conversion_table;
extern int gMap_colours[4];
extern br_vector3 gShadow_points[8];
extern tConcussion gConcussion;
extern tClip_details gShadow_clip_planes[8];
extern br_actor* gLollipops[100];
extern tWobble_spec gWobble_array[5];
extern tSaved_table gSaved_shade_tables[100];
extern tCursor_giblet gCursor_giblets[45];
extern tTransient_bm gTransient_bitmaps[50];
extern float gCosine_array[64];
extern br_pixelmap* gCursors[8];
extern br_pixelmap* gCursor_giblet_images[18];
extern br_pixelmap* gEval_1;
extern br_pixelmap* gEval_2;
extern br_vector3 gShadow_light_z;
extern br_vector3 gShadow_light_x;
extern int gShadow_dim_amount;
extern int gNumber_of_lollipops;
extern br_vector3 gShadow_light_ray;
extern int gFancy_shadow;
extern br_model* gShadow_model;
extern br_actor* gShadow_actor;
extern int gShadow_clip_plane_count;
extern br_pixelmap* gPalette_conversion_table;
extern br_material* gShadow_material;
extern int gSaved_table_count;
extern int gCurrent_cursor_index;
extern int gPalette_index;
extern int gCursor_transient_index;
extern char* gScratch_pixels;
extern br_pixelmap* gScratch_palette;
extern int gLast_palette_change;
extern br_pixelmap* gOrig_render_palette;
extern br_pixelmap* gCurrent_palette;
extern br_pixelmap* gRender_palette;
extern float gCamera_to_horiz_angle;
extern int gColours[9];
extern br_pixelmap* gFlic_palette;
extern tDR_font gFonts[21];
extern char* gCurrent_palette_pixels;
extern int gWidth;
extern int gMap_render_height_i;
extern int gScreen_wobble_x;
extern int gScreen_wobble_y;
extern br_scalar gCurrent_ambience;
extern int gY_offset;
extern int gMap_render_width_i;
extern int gMouse_in_use;
extern int gHeight;
extern int gMouse_last_y_coord;
extern int gMouse_last_x_coord;
extern br_scalar gAmbient_adjustment;
extern int gMap_render_x_i;
extern int gX_offset;
extern int gMap_render_y_i;
extern int gMirror_on__graphics; // suffix added to avoid duplicate symbol
extern br_scalar gYon_squared;
void TurnOnPaletteConversion(void);
void TurnOffPaletteConversion(void);
void ResetLollipopQueue(void);
int AddToLollipopQueue(br_actor* pActor, int pIndex);
void RenderLollipops(void);
void DRDrawLine(br_pixelmap* pDestn, int pX1, int pY1, int pX2, int pY2, int pColour);
void DrawDigitAt(br_pixelmap* gImage, int pX, int pY, int pY_pitch, int pValue);
void DrawNumberAt(br_pixelmap* gImage, int pX, int pY, int pX_pitch, int pY_pitch, int pValue, int pDigit_count, int pLeading_zeroes);
void BuildColourTable(br_pixelmap* pPalette);
void ClearConcussion(void);
tS8* SkipLines(tS8* pSource, int pCount);
void CopyWords(char* pDst, char* pSrc, int pN);
void Copy8BitStripImageTo16Bit(br_pixelmap* pDest, br_int_16 pDest_x, br_int_16 pOffset_x, br_int_16 pDest_y, br_int_16 pOffset_y, tS8* pSource, br_int_16 pSource_x, br_int_16 pSource_y, br_uint_16 pWidth, br_uint_16 pHeight);
void CopyStripImage(br_pixelmap* pDest, br_int_16 pDest_x, br_int_16 pOffset_x, br_int_16 pDest_y, br_int_16 pOffset_y, tS8* pSource, br_int_16 pSource_x, br_int_16 pSource_y, br_uint_16 pWidth, br_uint_16 pHeight);
void SetBRenderScreenAndBuffers(int pX_offset, int pY_offset, int pWidth, int pHeight);
void SetIntegerMapRenders(void);
void AdjustRenderScreenSize(void);
void ScreenSmaller(void);
void ScreenLarger(void);
void DRSetPaletteEntries(br_pixelmap* pPalette, int pFirst_colour, int pCount);
void DRSetPalette3(br_pixelmap* pThe_palette, int pSet_current_palette);
void DRSetPalette2(br_pixelmap* pThe_palette, int pSet_current_palette);
void DRSetPalette(br_pixelmap* pThe_palette);
void InitializePalettes(void);
void SwitchToPalette(char* pPal_name);
void ClearEntireScreen(void);
void ClearWobbles(void);
void InitWobbleStuff(void);
void NewScreenWobble(double pAmplitude_x, double pAmplitude_y, double pPeriod);
void SetScreenWobble(int pWobble_x, int pWobble_y);
void ResetScreenWobble(void);
void CalculateWobblitude(tU32 pThe_time);
void CalculateConcussion(tU32 pThe_time);
void SufferFromConcussion(float pSeriousness);
void ProcessNonTrackActors(br_pixelmap* pRender_buffer, br_pixelmap* pDepth_buffer, br_actor* pCamera, br_matrix34* pCamera_to_world, br_matrix34* pOld_camera_matrix);
int OppositeColour(int pColour);
void DrawMapBlip(tCar_spec* pCar, tU32 pTime, br_matrix34* pTrans, br_vector3* pPos, int pColour);
void DrawMapSmallBlip(tU32 pTime, br_vector3* pPos, int pColour);
void MungeClipPlane(br_vector3* pLight, tCar_spec* pCar, br_vector3* p1, br_vector3* p2, br_scalar pY_offset);
void TryThisEdge(tCar_spec* pCar, br_vector3* pLight, int pIndex_1, br_scalar pSign_1, int pIndex_2, br_scalar pSign_2, int pPoint_index_1, int pPoint_index_2, br_scalar pY_offset);
br_scalar DistanceFromPlane(br_vector3* pPos, br_scalar pA, br_scalar pB, br_scalar pC, br_scalar pD);
void DisableLights(void);
void EnableLights(void);
void ProcessShadow(tCar_spec* pCar, br_actor* pWorld, tTrack_spec* pTrack_spec, br_actor* pCamera, br_matrix34* pCamera_to_world_transform, br_scalar pDistance_factor);
void RenderShadows(br_actor* pWorld, tTrack_spec* pTrack_spec, br_actor* pCamera, br_matrix34* pCamera_to_world_transform);
void FlashyMapCheckpoint(int pIndex, tU32 pTime);
int ConditionallyFillWithSky(br_pixelmap* pPixelmap);
void RenderAFrame(int pDepth_mask_on);
void InitPaletteAnimate(void);
void RevertPalette(void);
void MungePalette(void);
void ResetPalette(void);
void Darken(tU8* pPtr, unsigned int pDarken_amount);
void SetFadedPalette(int pDegree);
void FadePaletteDown(void);
void FadePaletteUp(void);
void KillSplashScreen(void);
void EnsureRenderPalette(void);
void SplashScreenWith(char* pPixmap_name);
void EnsurePaletteUp(void);
br_uint_32 AmbientificateMaterial(br_material* pMat, void* pArg);
void ChangeAmbience(br_scalar pDelta);
void InitAmbience(void);
void DRPixelmapRectangleMaskedCopy(br_pixelmap* pDest, br_int_16 pDest_x, br_int_16 pDest_y, br_pixelmap* pSource, br_int_16 pSource_x, br_int_16 pSource_y, br_int_16 pWidth, br_int_16 pHeight);
void DRMaskedStamp(br_int_16 pDest_x, br_int_16 pDest_y, br_pixelmap* pSource);
void DRPixelmapRectangleOnscreenCopy(br_pixelmap* pDest, br_int_16 pDest_x, br_int_16 pDest_y, br_pixelmap* pSource, br_int_16 pSource_x, br_int_16 pSource_y, br_int_16 pWidth, br_int_16 pHeight);
void DRPixelmapRectangleShearedCopy(br_pixelmap* pDest, br_int_16 pDest_x, br_int_16 pDest_y, br_pixelmap* pSource, br_int_16 pSource_x, br_int_16 pSource_y, br_int_16 pWidth, br_int_16 pHeight, tX1616 pShear);
void DRPixelmapRectangleVScaledCopy(br_pixelmap* pDest, br_int_16 pDest_x, br_int_16 pDest_y, br_pixelmap* pSource, br_int_16 pSource_x, br_int_16 pSource_y, br_int_16 pWidth, br_int_16 pHeight);
void InitTransientBitmaps(void);
int AllocateTransientBitmap(int pWidth, int pHeight, int pUser_data);
void DeallocateTransientBitmap(int pIndex);
void DeallocateAllTransientBitmaps(void);
void RemoveTransientBitmaps(int pGraphically_remove_them);
void SaveTransient(int pIndex, int pX_coord, int pY_coord);
void DrawCursorGiblet(tCursor_giblet* pGib);
void ProcessCursorGiblets(int pPeriod);
int NewCursorGiblet(int pX_coord, int pY_coord, float pX_speed, float pY_speed, tU32 pDrop_time);
int DoMouseCursor(void);
int AllocateCursorTransient(void);
void StartMouseCursor(void);
void EndMouseCursor(void);
void LoadFont(int pFont_ID);
void DisposeFont(int pFont_ID);
void InitDRFonts(void);
void DrawDropImage(br_pixelmap* pImage, int pLeft, int pTop, int pTop_clip, int pBottom_clip, int pOffset);
void DropInImageFromTop(br_pixelmap* pImage, int pLeft, int pTop, int pTop_clip, int pBottom_clip);
void DropOutImageThruBottom(br_pixelmap* pImage, int pLeft, int pTop, int pTop_clip, int pBottom_clip);
void DropInImageFromBottom(br_pixelmap* pImage, int pLeft, int pTop, int pTop_clip, int pBottom_clip);
void DropOutImageThruTop(br_pixelmap* pImage, int pLeft, int pTop, int pTop_clip, int pBottom_clip);
void DrawTellyLine(br_pixelmap* pImage, int pLeft, int pTop, int pPercentage);
void DrawTellyImage(br_pixelmap* pImage, int pLeft, int pTop, int pPercentage);
void TellyInImage(br_pixelmap* pImage, int pLeft, int pTop);
void TellyOutImage(br_pixelmap* pImage, int pLeft, int pTop);
void SetShadowLevel(tShadow_level pLevel);
tShadow_level GetShadowLevel(void);
void ToggleShadow(void);
void InitShadow(void);
br_uint_32 SaveShadeTable(br_pixelmap* pTable, void* pArg);
void SaveShadeTables(void);
void DisposeSavedShadeTables(void);
void ShadowMode(void);
int SwitchToRealResolution(void);
int SwitchToLoresMode(void);
void DRPixelmapDoubledCopy(br_pixelmap* pDestn, br_pixelmap* pSource, int pSource_width, int pSource_height, int pX_offset, int pY_offset);
#endif