/*
Copyright (C) 1996-1997 Id Software, Inc.

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/
// quakedef.h -- primary header for client

//#define	GLTEST			// experimental stuff

#define	QUAKE_GAME			// as opposed to utilities

#define	VERSION				1.09
#define	GLQUAKE_VERSION		1.00
#define	D3DQUAKE_VERSION	0.01
#define	WINQUAKE_VERSION	0.996
#define	LINUX_VERSION		1.30
#define	X11_VERSION			1.10

//define	PARANOID			// speed sapping error checking

#define GLQUAKE
#define USE_OPENGLES
#define id386 0

#ifdef QUAKE2
#define	GAMENAME	"id1"		// directory to look in by default
#else
#define	GAMENAME	"id1"
#endif

#include <math.h>
#include <string.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <setjmp.h>

#if defined(_WIN32) && !defined(WINDED)

#if defined(_M_IX86)
#define __i386__	1
#endif

void	VID_LockBuffer (void);
void	VID_UnlockBuffer (void);

#else

#define	VID_LockBuffer()
#define	VID_UnlockBuffer()

#endif

#if !defined id386
#if defined __i386__ // && !defined __sun__
#define id386	1
#else
#define id386	0
#endif
#endif

#if id386
#define UNALIGNED_OK	1	// set to 0 if unaligned accesses are not supported
#else
#define UNALIGNED_OK	0
#endif

// !!! if this is changed, it must be changed in d_ifacea.h too !!!
#define CACHE_SIZE	32		// used to align key data structures

#define UNUSED(x)	(x = x)	// for pesky compiler / lint warnings

#define	MINIMUM_MEMORY			0x550000
#define	MINIMUM_MEMORY_LEVELPAK	(MINIMUM_MEMORY + 0x100000)

#define MAX_NUM_ARGVS	50

// up / down
#define	PITCH	0

// left / right
#define	YAW		1

// fall over
#define	ROLL	2


#define	MAX_QPATH		64			// max length of a quake game pathname
#define	MAX_OSPATH		128			// max length of a filesystem pathname

#define	ON_EPSILON		0.1			// point on plane side epsilon

#define	MAX_MSGLEN		8000		// max length of a reliable message
#define	MAX_DATAGRAM	1024		// max length of unreliable message

//
// per-level limits
//
#define	MAX_EDICTS		600			// FIXME: ouch! ouch! ouch!
#define	MAX_LIGHTSTYLES	64
#define	MAX_MODELS		256			// these are sent over the net as bytes
#define	MAX_SOUNDS		256			// so they cannot be blindly increased

#define	SAVEGAME_COMMENT_LENGTH	39

#define	MAX_STYLESTRING	64

//
// stats are integers communicated to the client by the server
//
#define	MAX_CL_STATS		32
#define	STAT_HEALTH			0
#define	STAT_FRAGS			1
#define	STAT_WEAPON			2
#define	STAT_AMMO			3
#define	STAT_ARMOR			4
#define	STAT_WEAPONFRAME	5
#define	STAT_SHELLS			6
#define	STAT_NAILS			7
#define	STAT_ROCKETS		8
#define	STAT_CELLS			9
#define	STAT_ACTIVEWEAPON	10
#define	STAT_TOTALSECRETS	11
#define	STAT_TOTALMONSTERS	12
#define	STAT_SECRETS		13		// bumped on client side by svc_foundsecret
#define	STAT_MONSTERS		14		// bumped by svc_killedmonster

// stock defines

#define	IT_SHOTGUN				1
#define	IT_SUPER_SHOTGUN		2
#define	IT_NAILGUN				4
#define	IT_SUPER_NAILGUN		8
#define	IT_GRENADE_LAUNCHER		16
#define	IT_ROCKET_LAUNCHER		32
#define	IT_LIGHTNING			64
#define IT_SUPER_LIGHTNING      128
#define IT_SHELLS               256
#define IT_NAILS                512
#define IT_ROCKETS              1024
#define IT_CELLS                2048
#define IT_AXE                  4096
#define IT_ARMOR1               8192
#define IT_ARMOR2               16384
#define IT_ARMOR3               32768
#define IT_SUPERHEALTH          65536
#define IT_KEY1                 131072
#define IT_KEY2                 262144
#define	IT_INVISIBILITY			524288
#define	IT_INVULNERABILITY		1048576
#define	IT_SUIT					2097152
#define	IT_QUAD					4194304
#define IT_SIGIL1               (1<<28)
#define IT_SIGIL2               (1<<29)
#define IT_SIGIL3               (1<<30)
#define IT_SIGIL4               (1<<31)

//===========================================
//rogue changed and added defines

#define RIT_SHELLS              128
#define RIT_NAILS               256
#define RIT_ROCKETS             512
#define RIT_CELLS               1024
#define RIT_AXE                 2048
#define RIT_LAVA_NAILGUN        4096
#define RIT_LAVA_SUPER_NAILGUN  8192
#define RIT_MULTI_GRENADE       16384
#define RIT_MULTI_ROCKET        32768
#define RIT_PLASMA_GUN          65536
#define RIT_ARMOR1              8388608
#define RIT_ARMOR2              16777216
#define RIT_ARMOR3              33554432
#define RIT_LAVA_NAILS          67108864
#define RIT_PLASMA_AMMO         134217728
#define RIT_MULTI_ROCKETS       268435456
#define RIT_SHIELD              536870912
#define RIT_ANTIGRAV            1073741824
#define RIT_SUPERHEALTH         2147483648

//MED 01/04/97 added hipnotic defines
//===========================================
//hipnotic added defines
#define HIT_PROXIMITY_GUN_BIT 16
#define HIT_MJOLNIR_BIT       7
#define HIT_LASER_CANNON_BIT  23
#define HIT_PROXIMITY_GUN   (1<<HIT_PROXIMITY_GUN_BIT)
#define HIT_MJOLNIR         (1<<HIT_MJOLNIR_BIT)
#define HIT_LASER_CANNON    (1<<HIT_LASER_CANNON_BIT)
#define HIT_WETSUIT         (1<<(23+2))
#define HIT_EMPATHY_SHIELDS (1<<(23+3))

//===========================================

#define	MAX_SCOREBOARD		16
#define	MAX_SCOREBOARDNAME	32

#define	SOUND_CHANNELS		8

// This makes anyone on id's net privileged
// Use for multiplayer testing only - VERY dangerous!!!
// #define IDGODS

#include "common.h"
#include "bspfile.h"
#include "vid.h"
#include "sys.h"
#include "zone.h"
#include "mathlib.h"

typedef struct
{
	vec3_t	origin;
	vec3_t	angles;
	int		modelindex;
	int		frame;
	int		colormap;
	int		skin;
	int		effects;
} entity_state_t;


#include "wad.h"
#include "draw.h"
#include "cvar.h"
#include "screen.h"
#include "net.h"
#include "protocol.h"
#include "cmd.h"
#include "sbar.h"
#include "sound.h"
#include "render.h"
#include "client.h"
#include "progs.h"
#include "server.h"

#ifdef GLQUAKE
#include "gl_model.h"
#else
#include "model.h"
#include "d_iface.h"
#endif

#include "input.h"
#include "world.h"
#include "keys.h"
#include "console.h"
#include "view.h"
#include "menu.h"
#include "crc.h"
#include "cdaudio.h"

#ifdef GLQUAKE
#include "glquake.h"
#else
#define GLCHECK(PROMPT) do {} while(0)
#endif

//=============================================================================

// the host system specifies the base of the directory tree, the
// command line parms passed to the program, and the amount of memory
// available for the program to use

typedef struct
{
	const char	*basedir;
	const char	*cachedir;		// for development over ISDN lines
	int		argc;
	const char	**argv;
	void	*membase;
	int		memsize;
} quakeparms_t;


//=============================================================================


extern qboolean noclip_anglehack;


//
// host
//
extern	quakeparms_t host_parms;

extern	cvar_t		sys_ticrate;
extern	cvar_t		sys_nostdout;
extern	cvar_t		developer;

extern	qboolean	host_initialized;		// true if into command execution
extern	double		host_frametime;
extern	byte		*host_basepal;
extern	byte		*host_colormap;
extern	int			host_framecount;	// incremented every frame, never reset
extern  qboolean    host_framethrottled; // Running too fast
extern	double		realtime;			// not bounded in any way, changed at
										// start of every frame, never reset

void Host_ClearMemory (void);
void Host_ServerFrame (void);
void Host_InitCommands (void);
void Host_Init (quakeparms_t *parms);
void Host_Shutdown(void);
void Host_Error (const char *error, ...);
void Host_EndGame (const char *message, ...);
void Host_Frame (float time);
void Host_Quit_f (void);
void Host_ClientCommands (const char *fmt, ...);
void Host_ShutdownServer (qboolean crash);

extern qboolean		msg_suppress_1;		// suppresses resolution and cache size console output
										//  an fullscreen DIB focus gain/loss
extern int			current_skill;		// skill level for currently loaded level (in case
										//  the user changes the cvar while the level is
										//  running, this reflects the level actually in use)

extern qboolean		isDedicated;

extern int			minimum_memory;

//
// chase
//
extern	cvar_t	chase_active;

void Chase_Init (void);
void Chase_Reset (void);
void Chase_Update (void);

qboolean SV_RecursiveHullCheck (hull_t *hull, int num, float p1f, float p2f, vec3_t p1, vec3_t p2, trace_t *trace);

// Linux versions of msdos CRT functions
#define stricmp strcasecmp

// Helper functions for OpenGL ES
void DrawQuad_NoTex(GLfloat x, GLfloat y, GLfloat w, GLfloat h);
void DrawQuad(GLfloat x, GLfloat y, GLfloat w, GLfloat h, GLfloat u, GLfloat v, GLfloat uw, GLfloat vh);

void shadowLoadIdentity( GLfloat* m);
void shadowRotatef( GLfloat* m, GLfloat a, GLfloat x, GLfloat y, GLfloat z);
void shadowTranslatef( GLfloat* m, GLfloat x, GLfloat y, GLfloat z);

#ifdef USE_OPENGLES
// Reimplementation of OpenGL functions that are missing in OpenGL ES

#define GL_INTENSITY				0x8049

void glColor3f(GLfloat r, GLfloat g, GLfloat b);
void glColor4fv(GLfloat* pColor);

#define VERTEXARRAYSIZE 2048

extern float gVertexBuffer[VERTEXARRAYSIZE];
extern float gColorBuffer[VERTEXARRAYSIZE];
extern float gTexCoordBuffer[VERTEXARRAYSIZE];

#endif // USE_OPENGLES

void glTexImage2DHelper( GLenum target,
	 GLint level,
	 GLint internalformat,
	 GLsizei width,
	 GLsizei height,
	 GLint border,
	 GLenum format,
	 GLenum type,
	 const GLvoid *pixels );

// Forward declarations:

qboolean VID_Is8bit(void);
void GL_SubdivideSurface (msurface_t *fa);
void GL_MakeAliasModelDisplayLists (model_t *m, aliashdr_t *hdr);
int R_LightPoint (vec3_t p);
void R_DrawBrushModel (entity_t *e);
void RotatePointAroundVector( vec3_t dst, const vec3_t dir, const vec3_t point, float degrees );
void R_AnimateLight (void);
void V_CalcBlend (void);
void R_DrawWorld (void);
void R_RenderDlights(void);
void R_DrawParticles (void);
void R_DrawWaterSurfaces (void);
void R_RenderBrushPoly (msurface_t *fa);
void R_InitParticles (void);
void GL_Upload8_EXT (byte *data, int width, int height,  qboolean mipmap, qboolean alpha);
void R_ClearParticles (void);
void GL_BuildLightmaps (void);
void EmitWaterPolys (msurface_t *fa);
void EmitSkyPolys (msurface_t *fa);
void EmitBothSkyLayers (msurface_t *fa);
void R_DrawSkyChain (msurface_t *s);
qboolean R_CullBox (vec3_t mins, vec3_t maxs);
void R_MarkLights (dlight_t *light, int bit, mnode_t *node);
void R_RotateForEntity (entity_t *e);
void R_StoreEfrags (efrag_t **ppefrag);
void GL_Set2D (void);

// Poor Man's Profiler
// (And general loging.)

void PMP_Begin(const char* fmt,...);
void PMP_Event(const char* fmt,...);
void PMP_End(const char* fmt,...);

#define PMPLOG(ARGS) PMP_Event ARGS
#define PMPWARNING(ARGS) PMP_Event ARGS
#define PMPERROR(ARGS) PMP_Event ARGS

// #define ENABLE_PMP

#ifdef ENABLE_PMP

#define PMPBEGIN(ARGS) PMP_Begin ARGS
#define PMPEVENT(ARGS) PMP_Event ARGS
#define PMPEND(ARGS) PMP_End ARGS

#else

#define PMPBEGIN(ARGS) ((void) 0)
#define PMPEVENT(ARGS) ((void) 0)
#define PMPEND(ARGS) ((void) 0)

#endif

// Measure fastest / slowest frames
typedef struct frameTime_ {
    int frame;
	float time;
} frameTime;

extern frameTime fastestFrame;
extern frameTime slowestFrame;

void InitFrameTimes();

// Feature configuration

#define SUPPORT_8BIT_MIPMAPGENERATION

#ifdef SUPPORT_8BIT_MIPMAPGENERATION
extern unsigned char d_15to8table[65536];
#endif // SUPPORT_8BIT_MIPMAPGENERATION