gr.c File Reference

Shape decoding, viewport drawing and raster effects. More...

#include "game.h"

Go to the source code of this file.

Macros
#define	GR_C

Functions
void	CheckHeapBlockSignature (unsigned char *shape)
int	HasValidShapeAllocationSignature (unsigned char *shape)
unsigned char *	GetPreparedShapeData (unsigned char *shape)
short	GetShapeFrameCount (unsigned char *shape)
void	GetShapeFrameExtents (unsigned char *shape, short frame, short *width, short *height, short *leftExtent, short *topExtent)
void	DecodeShapeFrame (unsigned char *shape, short frame, unsigned char *bitmap, int width, int height, int leftExtent, int topExtent)
int	SignExtendClipCoord (volatile short v)
void	exit_squadron (const char *msg,...)
void	ValidateViewportBounds (Viewport *viewport, RasterSurface *surface, RasterClip *clip)
void	ClipViewportToScreen (Viewport *viewport)
void	SetSolidColourTranslation (unsigned char colour)
void	PrepareShapeRLEData (unsigned char *shape)
void	DrawSpriteTransformed (Viewport *viewport, int x, int y, unsigned char *shape, int frame, int angle, int scaleX, int scaleY, int flip, int blendMode)
void	RasterLineHook (const void *marker)
void	DrawFontGlyph (char character, TextContext *context, int height, int width, int y)
void	__copyline (void)
void	__wipeline (void)
void	EstablishColors (Viewport *viewport, unsigned char *active)
void	GetPaletteEntry (short index, unsigned short *rgb)
void	SetPaletteEntry (short index, short *rgb)
void	DrawSpriteDefault (Viewport *viewport, short x, short y, unsigned char *shape, short frame)
short	GetTransformedShapeBounds (Viewport *viewport, short x, short y, unsigned char *shape, short frame, short angle, short scale, short flip, short *bounds)
void	FillPolygon (Viewport *viewport, ShortPoint *points, int count, char colour)
void	triangle (Viewport *viewport, ShortPoint *points, int colour)
void	CaptureSpriteBackground (Viewport *viewport, unsigned char *background, short x, short y, unsigned char *shape, short frame)
void	DrawFilledViewportRect (Viewport *viewport, short left, short top, short right, short bottom, short color)
void	DrawSpriteScaled (Viewport *viewport, short x, short y, unsigned char *shape, short frame, short angle, short scale, short flip)
void	RestoreSpriteBackground (Viewport *viewport, unsigned char *background, short x, short y, unsigned char *shape, short frame)
void	DrawSolidColourSprite (Viewport *viewport, short x, short y, unsigned char *shape, short frame, unsigned short colour)
void	CopyViewportContents (Viewport *source, Viewport *destination)
void	ClearViewport (Viewport *viewport, short colour)
void	DrawViewportPixel (Viewport *viewport, short x, short y, short colour)
short	GetViewportPixel (Viewport *viewport, short x, short y)
void	DrawViewportLine (Viewport *viewport, short x1, short y1, short x2, short y2, short colour)
void	shaded_triangle (Viewport *viewport)
void	DrawViewportBorder (Viewport *viewport, short left, short top, short right, short bottom, short colour)
void	DrawViewportEllipse (Viewport *viewport, short x, short y, short verticalRadius, short horizontalRadius, short colour)
void	FillViewportEllipse (Viewport *viewport, short x, short y, short verticalRadius, short horizontalRadius, short colour)
void	DrawViewportEllipseShadow (Viewport *viewport, short x, short y, short verticalRadius, short horizontalRadius, short colour)
void	shadow_draw (Viewport *viewport)
void	DrawShapeFrameScaled (Viewport *viewport, unsigned char *shape, int frame, int x, int y, int angle, int scale)
void	GetShapeFrameCorners (unsigned char *shape, int frame, int x, int y, short *points, int *count)
void	DrawSolidColourSpriteScaled (Viewport *viewport, short x, short y, unsigned char *shape, short frame, short angle, short scale, short flip, unsigned short colour)
void	CopyViewportRuns (Viewport *source, Viewport *destination, const short *runs)
void	fizzle_fade (Viewport *source, Viewport *destination)
void	snow_viewport (Viewport *viewport, int effect, unsigned short colour)

Variables
const int	g_nViewportStaticRandomRange = 3
unsigned char	g_abPaletteTranslation [256]
unsigned short	g_awAbsoluteCosine [360]
unsigned short	g_awAbsoluteSine [360]
static int	g_anPolyExtents [412]
int	g_nShapePrepareTicks
int	g_1_nShapeClipTicksValue
int	g_nShapeDrawTicks

Detailed Description

Shape decoding, viewport drawing and raster effects.

Definition in file gr.c.

Macro Definition Documentation

GR_C

#define GR_C

Definition at line 7 of file gr.c.

Function Documentation

__copyline()

void __copyline

(

void

)

Definition at line 647 of file gr.c.

References __copyline(), and RasterLineHook().

Referenced by __copyline(), and CollectRasterClipColours().

__wipeline()

void __wipeline

(

void

)

Definition at line 656 of file gr.c.

References __wipeline(), and RasterLineHook().

Referenced by __wipeline(), and CollectRasterClipColours().

CaptureSpriteBackground()

void CaptureSpriteBackground	(	Viewport *	viewport,
		unsigned char *	background,
		short	x,
		short	y,
		unsigned char *	shape,
		short	frame )

Definition at line 705 of file gr.c.

References Viewport::bottom, CaptureSpriteBackground(), HasValidShapeAllocationSignature(), Viewport::left, Viewport::pixels, Viewport::right, Viewport::rowOffsets, Viewport::top, and void().

Referenced by CaptureMouseCursorBackground(), CaptureSpriteBackground(), cockpit_explosion(), CollectRasterClipColours(), draw_3d_scanner(), EnableMouseCursorDrawing(), fire_computer_graphic_missile(), overlay_head_up_display(), RestoreTransientCockpitGraphics(), ResumeMouseCursorHook(), ShowHudTextLine(), UpdateDamageDisplay(), and UpdateTargetLeadIndicator().

CheckHeapBlockSignature()

void CheckHeapBlockSignature

(

unsigned char *

shape

)

Definition at line 112 of file gr.c.

References CheckHeapBlockSignature(), exit_squadron(), and IsFreedHeapBlockTracked().

Referenced by CheckHeapBlockSignature(), CollectRasterClipColours(), get_right_shape(), GetShapeFrameCorners(), GetShapeFrameCount(), GetTransformedShapeBounds(), and PrepareShapeRLEData().

ClearViewport()

void ClearViewport	(	Viewport *	viewport,
		short	colour )

Definition at line 1027 of file gr.c.

References ClearViewport(), ClipViewportToScreen(), FillRasterClip(), g_stScreenLimits, Viewport::left, Viewport::pixels, and Viewport::rowOffsets.

Referenced by AllocateViewport(), ApplyCannedSceneObjectEventRecord(), BarracksScreen(), clear_view_buffer(), ClearCutsceneViewport(), ClearTextInputCharacter(), ClearViewport(), CollectRasterClipColours(), CompleteStarSystemJump(), death_sequence(), DrawCinematicMemoryStatus(), DrawNavLocationReadout(), ejection_sequence(), EraseCockpitReadoutRegion(), EraseLastTextInputCharacter(), EraseTextContextBackground(), house_keep_objects(), InflightComputer(), initialize_cockpit(), InitializeConversationViewport(), InitializeDIBScreenViewport(), PromptToContinueCampaign(), ReadTextInput(), RenderSpaceViewFrame(), RunCampaignChalkboardMenu(), RunCampaignScript(), RunPilotDatabaseMenu(), RunPilotSaveLoadMenu(), RunTitleScreen(), set_new_vdu(), Title_Sequence(), unwarp(), UpdateSpacePaletteFade(), and warp().

ClipViewportToScreen()

void ClipViewportToScreen

(

Viewport *

viewport

)

Definition at line 346 of file gr.c.

References ClipViewportToScreen(), g_1_stRasterBitmap, g_stScreenLimits, and ValidateViewportBounds().

Referenced by ClearViewport(), ClipViewportToScreen(), CollectRasterClipColours(), DrawFilledViewportRect(), DrawSpriteTransformed(), DrawViewportBorder(), DrawViewportEllipse(), DrawViewportEllipseShadow(), DrawViewportLine(), DrawViewportPixel(), FillViewportEllipse(), and GetViewportPixel().

CopyViewportContents()

void CopyViewportContents	(	Viewport *	source,
		Viewport *	destination )

Definition at line 995 of file gr.c.

References BlitRasterClip(), CopyViewportContents(), DIBslamReal(), g_bRenderingSpaceFrame, g_bSceneDisplayUpdateActive, g_nCockpitDisplayMode, GetDIBPixelBuffer(), Viewport::left, MarkDibDirty(), Viewport::pixels, and ValidateViewportBounds().

Referenced by AdvanceSceneFlicStream(), AdvanceViewportWipe(), CollectRasterClipColours(), CopyTrainSimPilotViewToVdus(), CopyViewportContents(), DrawNavLocationReadout(), DrawPilotHandFrame(), DrawUnreferencedPilotHandFrame(), dump_buffer_to_screen(), FinishViewportWipe(), initialize_cockpit(), InitializeModalTextPanel(), PanToScreen(), PresentCutsceneFrame(), RefreshMemoryStatusOverlay(), ResetPilotHandAnimation(), RestoreCutsceneTextBacking(), RestoreModalTextPanel(), RunCampaignContinuePromptLoop(), RunCampaignSelectionFrame(), RunCutsceneScript(), RunCutsceneWipeTransition(), and RunTitleScreen().

CopyViewportRuns()

void CopyViewportRuns	(	Viewport *	source,
		Viewport *	destination,
		const short *	runs )

Definition at line 1614 of file gr.c.

References CopyViewportRuns(), g_101_stScrViewInfo, Viewport::left, MarkDibDirty(), Viewport::pixels, and Viewport::rowOffsets.

Referenced by CollectRasterClipColours(), CopyViewportRuns(), and dump_buffer_to_screen().

DecodeShapeFrame()

void DecodeShapeFrame	(	unsigned char *	shape,
		short	frame,
		unsigned char *	bitmap,
		int	width,
		int	height,
		int	leftExtent,
		int	topExtent )

Definition at line 171 of file gr.c.

References DecodeShapeFrame().

Referenced by CollectRasterClipColours(), DecodeShapeFrame(), and PrepareShapeRLEData().

DrawFilledViewportRect()

void DrawFilledViewportRect	(	Viewport *	viewport,
		short	left,
		short	top,
		short	right,
		short	bottom,
		short	color )

Definition at line 1339 of file gr.c.

References ClipViewportToScreen(), DrawClippedLine(), DrawFilledViewportRect(), g_stScreenLimits, Viewport::left, and Viewport::top.

Referenced by CollectRasterClipColours(), DrawFilledViewportRect(), and update_VDUs().

DrawFontGlyph()

void DrawFontGlyph	(	char	character,
		TextContext *	context,
		int	height,
		int	width,
		int	y )

Definition at line 540 of file gr.c.

References TextContext::backgroundColour, TextContext::colour, TextContext::cursorX, DrawFontGlyph(), TextContext::font, TextContext::fontWorkspace, g_abPaletteTranslation, Viewport::pixels, Viewport::rowOffsets, Viewport::top, and TextContext::viewport.

Referenced by CollectRasterClipColours(), DrawFontGlyph(), and DrawTextCharacter().

DrawShapeFrameScaled()

void DrawShapeFrameScaled	(	Viewport *	viewport,
		unsigned char *	shape,
		int	frame,
		int	x,
		int	y,
		int	angle,
		int	scale )

Definition at line 1445 of file gr.c.

References DrawShapeFrameScaled(), DrawSpriteTransformed(), and Viewport::left.

Referenced by CollectRasterClipColours(), and DrawShapeFrameScaled().

DrawSolidColourSprite()

void DrawSolidColourSprite	(	Viewport *	viewport,
		short	x,
		short	y,
		unsigned char *	shape,
		short	frame,
		unsigned short	colour )

Definition at line 981 of file gr.c.

References DrawSolidColourSprite(), DrawSpriteTransformed(), HasValidShapeAllocationSignature(), Viewport::left, and SetSolidColourTranslation().

Referenced by CollectRasterClipColours(), draw_target_box(), DrawSolidColourSprite(), and intro_drawbackgroundships().

DrawSolidColourSpriteScaled()

void DrawSolidColourSpriteScaled	(	Viewport *	viewport,
		short	x,
		short	y,
		unsigned char *	shape,
		short	frame,
		short	angle,
		short	scale,
		short	flip,
		unsigned short	colour )

Definition at line 1505 of file gr.c.

References DrawSolidColourSpriteScaled(), DrawSpriteTransformed(), HasValidShapeAllocationSignature(), and SetSolidColourTranslation().

Referenced by CollectRasterClipColours(), DrawSolidColourSpriteScaled(), and intro_drawbackgroundships().

DrawSpriteDefault()

void DrawSpriteDefault	(	Viewport *	viewport,
		short	x,
		short	y,
		unsigned char *	shape,
		short	frame )

Definition at line 682 of file gr.c.

References DrawSpriteDefault(), DrawSpriteTransformed(), HasValidShapeAllocationSignature(), and Viewport::left.

Referenced by AnimateTitleOrchestra(), BuildMap(), cockpit_explosion(), CollectRasterClipColours(), death_sequence(), draw_3d_scanner(), draw_cockpit_lights(), draw_sorted_objects_to_buffer(), draw_target_box(), DrawCampaignChalkboardFrame(), DrawCinematicFontCharacter(), DrawConstellationField(), DrawCutsceneCockpitOverlay(), DrawMouseCursor(), DrawPendingCockpitDamage(), DrawPersonnelMenuBackdrop(), DrawPilotHandFrame(), DrawSpriteDefault(), DrawTitleOrchestra(), DrawTitleSky(), DrawUnreferencedPilotHandFrame(), EnableMouseCursorDrawing(), explosion_draw(), fire_computer_graphic_missile(), InflightComputer(), initialize_cockpit(), InitializeCampaignChalkboardScreen(), overlay_head_up_display(), PlayTitleConductorCue(), PollCampaignChalkboardMenu(), real_vid_transmit(), RestorePersonnelMenuBackground(), RestoreTransientCockpitGraphics(), ResumeMouseCursorHook(), RevealTitleLogo(), RunCampaignContinuePromptLoop(), RunCampaignSelectionFrame(), RunPilotDatabaseMenu(), RunPilotSaveLoadMenu(), RunTitleMenuInputLoop(), RunTitleScreen(), show_damage_disp(), show_target_disp(), show_weapon_disp(), ShowVictoryScreen(), TheEndFireWorks(), ToggleTargetCameraOverlay(), update_status_text(), UpdateDamageDisplay(), UpdateTargetLeadIndicator(), vdu_polygon(), and vid_transmit().

DrawSpriteScaled()

void DrawSpriteScaled	(	Viewport *	viewport,
		short	x,
		short	y,
		unsigned char *	shape,
		short	frame,
		short	angle,
		short	scale,
		short	flip )

Definition at line 1494 of file gr.c.

References DrawSpriteScaled(), DrawSpriteTransformed(), and HasValidShapeAllocationSignature().

Referenced by CollectRasterClipColours(), draw_sorted_objects_to_buffer(), DrawCutsceneSprite(), DrawScaledTitleLogo(), DrawSpriteScaled(), and PushTitleOrchestraAway().

DrawSpriteTransformed()

void DrawSpriteTransformed	(	Viewport *	viewport,
		int	x,
		int	y,
		unsigned char *	shape,
		int	frame,
		int	angle,
		int	scaleX,
		int	scaleY,
		int	flip,
		int	blendMode )

Definition at line 476 of file gr.c.

References ClipViewportToScreen(), DrawSpriteTransformed(), exit_squadron(), g_101_stScrViewInfo, g_1_nShapeClipTicksValue, g_abShapeTransformScratch, g_nShapeDrawTicks, g_nShapePrepareTicks, g_stScreenLimits, GetPreparedShapeData(), GetShapeFrameCount(), Viewport::left, MarkDibDirty(), Viewport::pixels, PrepareShapeRLEData(), ReadPerformanceCounter(), RotateRLEImage(), Viewport::rowOffsets, and Viewport::top.

Referenced by CollectRasterClipColours(), DrawShapeFrameScaled(), DrawSolidColourSprite(), DrawSolidColourSpriteScaled(), DrawSpriteDefault(), DrawSpriteScaled(), and DrawSpriteTransformed().

DrawViewportBorder()

void DrawViewportBorder	(	Viewport *	viewport,
		short	left,
		short	top,
		short	right,
		short	bottom,
		short	colour )

Definition at line 1360 of file gr.c.

References ClipViewportToScreen(), DrawClippedLine(), DrawViewportBorder(), g_stScreenLimits, Viewport::left, and Viewport::top.

Referenced by CollectRasterClipColours(), draw_target_box(), DrawNavSquareOutline(), DrawViewportBorder(), and InitializeModalTextPanel().

DrawViewportEllipse()

void DrawViewportEllipse	(	Viewport *	viewport,
		short	x,
		short	y,
		short	verticalRadius,
		short	horizontalRadius,
		short	colour )

Definition at line 1385 of file gr.c.

References ClipViewportToScreen(), DrawRasterEllipse(), DrawViewportEllipse(), g_101_stScrViewInfo, g_stScreenLimits, Viewport::left, MarkDibDirty(), and Viewport::pixels.

Referenced by CollectRasterClipColours(), DrawNavRectangleMarker(), and DrawViewportEllipse().

DrawViewportEllipseShadow()

void DrawViewportEllipseShadow	(	Viewport *	viewport,
		short	x,
		short	y,
		short	verticalRadius,
		short	horizontalRadius,
		short	colour )

Definition at line 1415 of file gr.c.

References ClipViewportToScreen(), DrawRasterEllipse(), DrawViewportEllipseShadow(), g_101_stScrViewInfo, g_stScreenLimits, Viewport::left, MarkDibDirty(), and Viewport::pixels.

Referenced by CollectRasterClipColours(), DrawNavRectangleMarker(), and DrawViewportEllipseShadow().

DrawViewportLine()

void DrawViewportLine	(	Viewport *	viewport,
		short	x1,
		short	y1,
		short	x2,
		short	y2,
		short	colour )

Definition at line 1060 of file gr.c.

References ClipViewportToScreen(), DrawClippedLine(), DrawViewportLine(), g_stScreenLimits, Viewport::left, and Viewport::top.

Referenced by CollectRasterClipColours(), draw_target_box(), DrawNavCrossMarker(), DrawNavTriangleOutline(), DrawViewportLine(), show_damage_disp(), show_weapon_disp(), and UpdateDamageDisplay().

DrawViewportPixel()

void DrawViewportPixel	(	Viewport *	viewport,
		short	x,
		short	y,
		short	colour )

Definition at line 1038 of file gr.c.

References ClipViewportToScreen(), DrawViewportPixel(), g_stScreenLimits, Viewport::left, SetRasterClipPixel(), and Viewport::top.

Referenced by BuildMap(), clear_head_up_display(), CollectRasterClipColours(), draw_3d_scanner(), DrawNavMapBriefingBeacons(), DrawNavPlayerMarker(), DrawNavSquareMarker(), DrawTargetCameraAttitudeIndicators(), DrawViewportPixel(), and RestoreTargetCameraAttitudeIndicators().

EstablishColors()

void EstablishColors	(	Viewport *	viewport,
		unsigned char *	active )

Definition at line 663 of file gr.c.

References EstablishColors(), and RasterLineHook().

Referenced by CollectActivePaletteIndices(), CollectRasterClipColours(), and EstablishColors().

exit_squadron()

void exit_squadron	(	const char *	msg,
			... )

Definition at line 44 of file message.c.

FillPolygon()

void FillPolygon	(	Viewport *	viewport,
		ShortPoint *	points,
		int	count,
		char	colour )

Definition at line 1082 of file gr.c.

References Viewport::bottom, FillPolygon(), g_101_stScrViewInfo, g_anPolyExtents, Viewport::left, MarkDibDirty(), Viewport::pixels, Viewport::right, Viewport::rowOffsets, Viewport::top, ShortPoint::x, and ShortPoint::y.

Referenced by CollectRasterClipColours(), FillPolygon(), and triangle().

FillViewportEllipse()

void FillViewportEllipse	(	Viewport *	viewport,
		short	x,
		short	y,
		short	verticalRadius,
		short	horizontalRadius,
		short	colour )

Definition at line 1400 of file gr.c.

References ClipViewportToScreen(), FillRasterEllipse(), FillViewportEllipse(), g_101_stScrViewInfo, g_stScreenLimits, Viewport::left, MarkDibDirty(), and Viewport::pixels.

Referenced by CollectRasterClipColours(), and FillViewportEllipse().

fizzle_fade()

void fizzle_fade	(	Viewport *	source,
		Viewport *	destination )

Definition at line 1654 of file gr.c.

References fizzle_fade(), g_101_stScrViewInfo, Viewport::left, MarkDibDirty(), Viewport::pixels, and RasterLineHook().

Referenced by CollectRasterClipColours(), and fizzle_fade().

GetPaletteEntry()

void GetPaletteEntry	(	short	index,
		unsigned short *	rgb )

Definition at line 670 of file gr.c.

References GetPaletteEntry(), and GetPaletteEntryAsWords().

Referenced by CollectRasterClipColours(), FadeViewportPaletteToColour(), GetPaletteEntry(), PanToScreen(), and SaveGamePalette().

GetPreparedShapeData()

unsigned char * GetPreparedShapeData

(

unsigned char *

shape

)

Definition at line 131 of file gr.c.

References GetPreparedShapeData().

Referenced by CollectRasterClipColours(), DrawSpriteTransformed(), GetPreparedShapeData(), and PrepareShapeRLEData().

GetShapeFrameCorners()

void GetShapeFrameCorners	(	unsigned char *	shape,
		int	frame,
		int	x,
		int	y,
		short *	points,
		int *	count )

Definition at line 1461 of file gr.c.

References CheckHeapBlockSignature(), and GetShapeFrameCorners().

Referenced by CollectRasterClipColours(), and GetShapeFrameCorners().

GetShapeFrameCount()

short GetShapeFrameCount

(

unsigned char *

shape

)

Definition at line 137 of file gr.c.

References CheckHeapBlockSignature(), and GetShapeFrameCount().

Referenced by AdvanceSceneFlicStream(), CollectRasterClipColours(), DrawSpriteTransformed(), GetShapeFrameCount(), and PrepareShapeRLEData().

GetShapeFrameExtents()

void GetShapeFrameExtents	(	unsigned char *	shape,
		short	frame,
		short *	width,
		short *	height,
		short *	leftExtent,
		short *	topExtent )

Definition at line 144 of file gr.c.

References GetShapeFrameExtents().

Referenced by CollectRasterClipColours(), GetShapeFrameExtents(), and PrepareShapeRLEData().

GetTransformedShapeBounds()

short GetTransformedShapeBounds	(	Viewport *	viewport,
		short	x,
		short	y,
		unsigned char *	shape,
		short	frame,
		short	angle,
		short	scale,
		short	flip,
		short *	bounds )

Definition at line 1518 of file gr.c.

References ShortRect::bottom, Viewport::bottom, CheckHeapBlockSignature(), g_awAbsoluteCosine, g_awAbsoluteSine, GetTransformedShapeBounds(), HasValidShapeAllocationSignature(), ShortRect::left, Viewport::left, ShortRect::right, Viewport::right, ShortRect::top, Viewport::top, and void().

Referenced by build_your_target_list(), CollectRasterClipColours(), draw_target_box(), DrawScaledTitleLogo(), easy2see(), GetTransformedShapeBounds(), and RevealTitleLogo().

GetViewportPixel()

short GetViewportPixel	(	Viewport *	viewport,
		short	x,
		short	y )

Definition at line 1049 of file gr.c.

References ClipViewportToScreen(), g_stScreenLimits, GetViewportPixel(), Viewport::left, ReadRasterClipPixel(), and Viewport::top.

Referenced by CollectRasterClipColours(), draw_3d_scanner(), DrawTargetCameraAttitudeIndicators(), GetViewportPixel(), and PanToScreen().

HasValidShapeAllocationSignature()

int HasValidShapeAllocationSignature

(

unsigned char *

shape

)

Definition at line 123 of file gr.c.

References HasValidShapeAllocationSignature().

Referenced by CaptureSpriteBackground(), CollectRasterClipColours(), DrawSolidColourSprite(), DrawSolidColourSpriteScaled(), DrawSpriteDefault(), DrawSpriteScaled(), GetTransformedShapeBounds(), HasValidShapeAllocationSignature(), and RestoreSpriteBackground().

PrepareShapeRLEData()

void PrepareShapeRLEData

(

unsigned char *

shape

)

Definition at line 363 of file gr.c.

References AllocateTaggedMemory(), CheckHeapBlockSignature(), DecodeShapeFrame(), exit_squadron(), g_13_abShapeRLEScratch, GetPreparedShapeData(), GetShapeFrameCount(), GetShapeFrameExtents(), PrepareShapeRLEData(), and ReleasePacketHandle().

Referenced by CollectRasterClipColours(), DrawSpriteTransformed(), and PrepareShapeRLEData().

RasterLineHook()

void RasterLineHook

(

const void *

marker

)

Definition at line 533 of file gr.c.

References RasterLineHook(), and void().

Referenced by __copyline(), __wipeline(), CollectRasterClipColours(), EstablishColors(), fizzle_fade(), RasterLineHook(), shaded_triangle(), shadow_draw(), snow_viewport(), and triangle().

RestoreSpriteBackground()

void RestoreSpriteBackground	(	Viewport *	viewport,
		unsigned char *	background,
		short	x,
		short	y,
		unsigned char *	shape,
		short	frame )

Definition at line 846 of file gr.c.

References Viewport::bottom, g_101_stScrViewInfo, HasValidShapeAllocationSignature(), Viewport::left, MarkDibDirty(), Viewport::pixels, RestoreSpriteBackground(), Viewport::right, Viewport::rowOffsets, Viewport::top, and void().

Referenced by clear_head_up_display(), CollectRasterClipColours(), DisableMouseCursorDrawing(), EnableMouseCursorDrawing(), fire_computer_graphic_missile(), RestoreCockpitExplosionBackground(), RestoreHudMessageBackground(), RestoreMouseCursorBackground(), RestoreSpriteBackground(), RestoreTargetLeadIndicator(), RestoreTransientCockpitGraphics(), ResumeMouseCursorHook(), SetMouseCursorShape(), and UpdateDamageDisplay().

SetPaletteEntry()

void SetPaletteEntry	(	short	index,
		short *	rgb )

Definition at line 676 of file gr.c.

References DIBsetPalette(), and SetPaletteEntry().

Referenced by CollectRasterClipColours(), DrawSpaceSceneFrame(), FadeViewportPaletteToColour(), house_keep(), house_keep_objects(), PanToScreen(), ResetCockpitPaletteEntries(), RestoreGamePalette(), SetPaletteEntry(), and UpdateSpacePaletteFade().

SetSolidColourTranslation()

void SetSolidColourTranslation

(

unsigned char

colour

)

Definition at line 354 of file gr.c.

References g_abSolidColourTranslation, SetPaletteTranslationTable(), and SetSolidColourTranslation().

Referenced by CollectRasterClipColours(), DrawSolidColourSprite(), DrawSolidColourSpriteScaled(), and SetSolidColourTranslation().

shaded_triangle()

void shaded_triangle

(

Viewport *

viewport

)

Definition at line 1330 of file gr.c.

References g_101_stScrViewInfo, MarkDibDirty(), Viewport::pixels, RasterLineHook(), and shaded_triangle().

Referenced by CollectRasterClipColours(), and shaded_triangle().

shadow_draw()

void shadow_draw

(

Viewport *

viewport

)

Definition at line 1432 of file gr.c.

References g_101_stScrViewInfo, Viewport::left, MarkDibDirty(), Viewport::pixels, RasterLineHook(), and shadow_draw().

Referenced by CollectRasterClipColours(), and shadow_draw().

SignExtendClipCoord()

int SignExtendClipCoord

(

volatile short

v

)

Definition at line 297 of file gr.c.

References SignExtendClipCoord().

Referenced by CollectRasterClipColours(), SignExtendClipCoord(), and ValidateViewportBounds().

snow_viewport()

void snow_viewport	(	Viewport *	viewport,
		int	effect,
		unsigned short	colour )

Definition at line 1665 of file gr.c.

References Viewport::bottom, g_101_stScrViewInfo, g_cSecondaryViewBufferColour, g_nViewportStaticRandomRange, Viewport::left, MarkDibDirty(), Viewport::pixels, RandomBelow(), RasterLineHook(), Viewport::right, Viewport::rowOffsets, snow_viewport(), and Viewport::top.

Referenced by CollectRasterClipColours(), malf_noise(), and snow_viewport().

triangle()

void triangle	(	Viewport *	viewport,
		ShortPoint *	points,
		int	colour )

Definition at line 1318 of file gr.c.

References FillPolygon(), g_101_stScrViewInfo, MarkDibDirty(), Viewport::pixels, RasterLineHook(), and triangle().

Referenced by CollectRasterClipColours(), and triangle().

ValidateViewportBounds()

void ValidateViewportBounds	(	Viewport *	viewport,
		RasterSurface *	surface,
		RasterClip *	clip )

Definition at line 307 of file gr.c.

References RasterClip::bottom, Viewport::bottom, exit_squadron(), RasterSurface::field_10, RasterSurface::field_C, g_101_stScrViewInfo, g_apViewportAllocations, g_nViewportAllocationCount, RasterClip::left, Viewport::left, MarkDibDirty(), RasterSurface::maximumX, RasterSurface::maximumY, RasterSurface::pixels, Viewport::pixels, RasterClip::right, Viewport::right, Viewport::rowOffsets, SignExtendClipCoord(), RasterClip::surface, RasterClip::top, Viewport::top, and ValidateViewportBounds().

Referenced by ClipViewportToScreen(), CollectRasterClipColours(), CopyViewportContents(), and ValidateViewportBounds().

Variable Documentation

g_1_nShapeClipTicksValue

int g_1_nShapeClipTicksValue

Definition at line 1707 of file gr.c.

Referenced by DrawSpriteTransformed().

g_abPaletteTranslation

unsigned char g_abPaletteTranslation[256]

Definition at line 12 of file gr.c.

Referenced by DrawFontGlyph().

g_anPolyExtents

int g_anPolyExtents[412]

static

Definition at line 1075 of file gr.c.

Referenced by FillPolygon().

g_awAbsoluteCosine

unsigned short g_awAbsoluteCosine[360]

Definition at line 46 of file gr.c.

Referenced by GetTransformedShapeBounds().

g_awAbsoluteSine

unsigned short g_awAbsoluteSine[360]

Definition at line 78 of file gr.c.

Referenced by GetTransformedShapeBounds().

g_nShapeDrawTicks

int g_nShapeDrawTicks

Definition at line 1708 of file gr.c.

Referenced by DrawSpriteTransformed().

g_nShapePrepareTicks

int g_nShapePrepareTicks

Definition at line 1706 of file gr.c.

Referenced by DrawSpriteTransformed().

g_nViewportStaticRandomRange

const int g_nViewportStaticRandomRange = 3

Definition at line 10 of file gr.c.

Referenced by snow_viewport().