re3/src/core/Radar.h

#pragma once
#include "Sprite2d.h"

#define CARBLIP_MARKER_COLOR_R 252
#define CARBLIP_MARKER_COLOR_G 138
#define CARBLIP_MARKER_COLOR_B 242
#define CARBLIP_MARKER_COLOR_A 255

#define CHARBLIP_MARKER_COLOR_R 252
#define CHARBLIP_MARKER_COLOR_G 138
#define CHARBLIP_MARKER_COLOR_B 242
#define CHARBLIP_MARKER_COLOR_A 255

#define OBJECTBLIP_MARKER_COLOR_R 252
#define OBJECTBLIP_MARKER_COLOR_G 138
#define OBJECTBLIP_MARKER_COLOR_B 242
#define OBJECTBLIP_MARKER_COLOR_A 255

#define COORDBLIP_MARKER_COLOR_R 252
#define COORDBLIP_MARKER_COLOR_G 138
#define COORDBLIP_MARKER_COLOR_B 242
#define COORDBLIP_MARKER_COLOR_A 228

#define NUM_MAP_LEGENDS 75

#define MENU_MAP_LENGTH_UNIT 1190.0f // in game unit
#define MENU_MAP_WIDTH_SCALE 1.112f // in game unit (originally 1.112494151260504f)
#define MENU_MAP_HEIGHT_SCALE 1.119f // in game unit (originally 1.118714268907563f)
#define MENU_MAP_TOP_OFFSET 0.28f // in length unit defined above - ~333 game unit
#define MENU_MAP_LEFT_OFFSET 0.185f // in length unit defined above - ~220 game unit
#define MENU_MAP_LENGTH (4000.f / MENU_MAP_LENGTH_UNIT)

enum eBlipType
{
	BLIP_NONE,
	BLIP_CAR,
	BLIP_CHAR,
	BLIP_OBJECT,
	BLIP_COORD,
	BLIP_CONTACT_POINT
};

enum eBlipDisplay
{
	BLIP_DISPLAY_NEITHER = 0,
	BLIP_DISPLAY_MARKER_ONLY = 1,
	BLIP_DISPLAY_BLIP_ONLY = 2,
	BLIP_DISPLAY_BOTH = 3,
};

enum eRadarSprite
{
	RADAR_SPRITE_ENTITY_BLIP = -2,
	RADAR_SPRITE_COORD_BLIP = -1,
	RADAR_SPRITE_NONE = 0,
	RADAR_SPRITE_CENTRE,
	RADAR_SPRITE_MAP_HERE,
	RADAR_SPRITE_NORTH,
	RADAR_SPRITE_AVERY,
	RADAR_SPRITE_BIKER,
	RADAR_SPRITE_CORTEZ,
	RADAR_SPRITE_DIAZ,
	RADAR_SPRITE_KENT,
	RADAR_SPRITE_LAWYER,
	RADAR_SPRITE_PHIL,
	RADAR_SPRITE_BIKERS,
	RADAR_SPRITE_BOATYARD,
	RADAR_SPRITE_MALIBU_CLUB,
	RADAR_SPRITE_CUBANS,
	RADAR_SPRITE_FILM,
	RADAR_SPRITE_GUN,
	RADAR_SPRITE_HAITIANS,
	RADAR_SPRITE_HARDWARE,
	RADAR_SPRITE_SAVE,
	RADAR_SPRITE_STRIP,
	RADAR_SPRITE_ICE,
	RADAR_SPRITE_KCABS,
	RADAR_SPRITE_LOVEFIST,
	RADAR_SPRITE_PRINTWORKS,
	RADAR_SPRITE_PROPERTY,
	RADAR_SPRITE_SUNYARD,
	RADAR_SPRITE_SPRAY,
	RADAR_SPRITE_TSHIRT,
	RADAR_SPRITE_TOMMY,
	RADAR_SPRITE_PHONE,
	RADAR_SPRITE_RADIO_WILDSTYLE,
	RADAR_SPRITE_RADIO_FLASH,
	RADAR_SPRITE_RADIO_KCHAT,
	RADAR_SPRITE_RADIO_FEVER,
	RADAR_SPRITE_RADIO_VROCK,
	RADAR_SPRITE_RADIO_VCPR,
	RADAR_SPRITE_RADIO_ESPANTOSO,
	RADAR_SPRITE_RADIO_EMOTION,
	RADAR_SPRITE_RADIO_WAVE,

	RADAR_SPRITE_COUNT
};

enum
{
	RADAR_TRACE_RED,
	RADAR_TRACE_GREEN,
	RADAR_TRACE_LIGHT_BLUE,
	RADAR_TRACE_GRAY,
	RADAR_TRACE_YELLOW,
	RADAR_TRACE_MAGENTA,
	RADAR_TRACE_CYAN
};

enum
{
	BLIP_MODE_TRIANGULAR_UP = 0,
	BLIP_MODE_TRIANGULAR_DOWN,
	BLIP_MODE_SQUARE,
};

struct sRadarTrace
{
	uint32 m_nColor;
	uint32 m_eBlipType; // eBlipType
	int32 m_nEntityHandle;
	CVector m_vec2DPos;
	CVector m_vecPos;
	uint16 m_BlipIndex;
	bool m_bDim;
	bool m_bInUse;
	bool m_bShortRange;
	bool m_unused;
	float m_Radius;
	int16 m_wScale;
	uint16 m_eBlipDisplay; // eBlipDisplay
	uint16 m_eRadarSprite; // eRadarSprite
};

// Either that was a thing while saving/loading blips, or they added sizes of each field one by one. I want to do the former.
#pragma pack(push,1)
struct sRadarTraceSave
{
	uint32 m_nColor;
	float m_Radius;
	uint32 m_eBlipType; // eBlipType
	int32 m_nEntityHandle;
	CVector2D m_vec2DPos;
	CVector m_vecPos;
	uint16 m_BlipIndex;
	bool m_bDim;
	bool m_bInUse;
	bool m_bShortRange;
	bool m_unused;
	int16 m_wScale;
	uint16 m_eBlipDisplay; // eBlipDisplay
	uint16 m_eRadarSprite; // eRadarSprite
};
#pragma pack(pop)

// Values for screen space
#define RADAR_LEFT (40.0f)
#define RADAR_BOTTOM (40.0f)

#ifdef FIX_RADAR
/*
	The values are from an early screenshot taken before R* broke radar
		#define RADAR_WIDTH (82.0f)
		#define RADAR_HEIGHT (82.0f)
*/
#define RADAR_WIDTH ((CDraw::ms_bFixRadar)  ? (82.0f) : (94.0f))	
#define RADAR_HEIGHT ((CDraw::ms_bFixRadar) ? (82.0f) : (76.0f))
#else
/*
	broken since forever, someone tried to fix size for 640x512(PAL)
		http://aap.rockstarvision.com/pics/gta3/ps2screens/gta3_interface.jpg
	but failed:
		http://aap.rockstarvision.com/pics/gta3/artwork/gta3_artwork_16.jpg
	most likely the guy used something like this:
		int y = 82 * (640.0/512.0)/(640.0/480.0);
		int x = y * (640.0/512.0);
*/
#define RADAR_WIDTH (94.0f)
#define RADAR_HEIGHT (76.0f)
#endif

class CRadar
{
public:
	static float m_radarRange;
	static sRadarTrace ms_RadarTrace[NUMRADARBLIPS];
	static CSprite2d CentreSprite;
	static CSprite2d MapHereSprite;
	static CSprite2d NorthSprite;
	static CSprite2d AverySprite;
	static CSprite2d BikerSprite;
	static CSprite2d CortezSprite;
	static CSprite2d DiazSprite;
	static CSprite2d KentSprite;
	static CSprite2d LawyerSprite;
	static CSprite2d PhilSprite;
	static CSprite2d BikersSprite;
	static CSprite2d BoatyardSprite;
	static CSprite2d MalibuClubSprite;
	static CSprite2d CubansSprite;
	static CSprite2d FilmSprite;
	static CSprite2d GunSprite;
	static CSprite2d HaitiansSprite;
	static CSprite2d HardwareSprite;
	static CSprite2d SaveHouseSprite;
	static CSprite2d StripSprite;
	static CSprite2d IceSprite;
	static CSprite2d KCabsSprite;
	static CSprite2d LovefistSprite;
	static CSprite2d PrintworksSprite;
	static CSprite2d PropertySprite;
	static CSprite2d SunYardSprite;
	static CSprite2d SpraySprite;
	static CSprite2d TShirtSprite;
	static CSprite2d TommySprite;
	static CSprite2d PhoneSprite;
	static CSprite2d RadioWildstyleSprite;
	static CSprite2d RadioFlashSprite;
	static CSprite2d RadioKChatSprite;
	static CSprite2d RadioFeverSprite;
	static CSprite2d RadioVRockSprite;
	static CSprite2d RadioVCPRSprite;
	static CSprite2d RadioEspantosoSprite;
	static CSprite2d RadioEmotionSprite;
	static CSprite2d RadioWaveSprite;
	static CSprite2d *RadarSprites[RADAR_SPRITE_COUNT];
	static float cachedCos;
	static float cachedSin;
	static CRGBA ArrowBlipColour1;
	static CRGBA ArrowBlipColour2;
	static int16 MapLegendList[NUM_MAP_LEGENDS];
	static int16 MapLegendCounter;

#ifdef MAP_ENHANCEMENTS
	static int TargetMarkerId;
	static CVector TargetMarkerPos;
#endif

	static void InitFrontEndMap();
	static void DrawYouAreHereSprite(float, float);
#ifdef MAP_ENHANCEMENTS
	static void ToggleTargetMarker(float, float);
#endif
	static uint8 CalculateBlipAlpha(float dist);
	static void ChangeBlipBrightness(int32 i, int32 bright);
	static void ChangeBlipColour(int32 i, int32);
	static void ChangeBlipDisplay(int32 i, eBlipDisplay display);
	static void ChangeBlipScale(int32 i, int32 scale);
	static void ClearBlip(int32 i);
	static void ClearBlipForEntity(eBlipType type, int32 id);
	static int ClipRadarPoly(CVector2D *out, const CVector2D *in);
	static bool DisplayThisBlip(int32 i);
	static void Draw3dMarkers();
	static void DrawBlips();
	static void DrawMap();
	static void DrawRadarMap();
	static void DrawRadarMask();
	static void DrawRadarSection(int32 x, int32 y);
	static void DrawRadarSprite(uint16 sprite, float x, float y, uint8 alpha);
	static void DrawRotatingRadarSprite(CSprite2d* sprite, float x, float y, float angle, int32 alpha);
	static int32 GetActualBlipArrayIndex(int32 i);
	static int32 GetNewUniqueBlipIndex(int32 i);
	static uint32 GetRadarTraceColour(uint32 color, bool bright);
	static void Initialise();
	static float LimitRadarPoint(CVector2D &point);
	static void LoadAllRadarBlips(uint8 *buf, uint32 size);
	static void LoadTextures();
	static void RemoveRadarSections();
	static void SaveAllRadarBlips(uint8*, uint32*);
	static void SetBlipSprite(int32 i, int32 icon);
	static int32 SetCoordBlip(eBlipType type, CVector pos, uint32, eBlipDisplay);
	static int32 SetEntityBlip(eBlipType type, int32, uint32, eBlipDisplay);
	static int32 SetShortRangeCoordBlip(eBlipType type, CVector pos, uint32, eBlipDisplay);
	static void SetRadarMarkerState(int32 i, bool flag);
	static void ShowRadarMarker(CVector pos, uint32 color, float radius);
	static void ShowRadarTrace(float x, float y, uint32 size, uint8 red, uint8 green, uint8 blue, uint8 alpha);
	static void ShowRadarTraceWithHeight(float x, float y, uint32 size, uint8 red, uint8 green, uint8 blue, uint8 alpha, uint8 mode);
	static void Shutdown();
	static void StreamRadarSections(const CVector &posn);
	static void StreamRadarSections(int32 x, int32 y);
	static void TransformRealWorldToTexCoordSpace(CVector2D &out, const CVector2D &in, int32 x, int32 y);
	static void TransformRadarPointToRealWorldSpace(CVector2D &out, const CVector2D &in);
	static void TransformRadarPointToScreenSpace(CVector2D &out, const CVector2D &in);
	static void TransformRealWorldPointToRadarSpace(CVector2D &out, const CVector2D &in);
	static void CalculateCachedSinCos();
	static void DrawEntityBlip(int32 blipId);
	static void DrawCoordBlip(int32 blipId);
	static void DrawLegend(int32, int32, int32);
};