From d309df4ce4d8ad0ed995a8e1c4267412a7782021 Mon Sep 17 00:00:00 2001
From: xolatile
Date: Mon, 4 Aug 2025 22:53:42 +0200
Subject: Bunch of small changes...

---
 src/shared/iengine.h | 318 +++++++++++++++++++++++++--------------------------
 1 file changed, 157 insertions(+), 161 deletions(-)

(limited to 'src/shared/iengine.h')

diff --git a/src/shared/iengine.h b/src/shared/iengine.h
index 80bc9c5..bc2f7a9 100644
--- a/src/shared/iengine.h
+++ b/src/shared/iengine.h
@@ -1,38 +1,38 @@
 // the interface the game uses to access the engine
 
-extern int curtime;                     // current frame time
-extern int lastmillis;                  // last time
-extern int elapsedtime;                 // elapsed frame time
-extern int totalmillis;                 // total elapsed time
+extern int curtime;					 // current frame time
+extern int lastmillis;				  // last time
+extern int elapsedtime;				 // elapsed frame time
+extern int totalmillis;				 // total elapsed time
 extern uint totalsecs;
 extern int gamespeed, paused;
 
 enum
 {
-    MATF_INDEX_SHIFT  = 0,
-    MATF_VOLUME_SHIFT = 2,
-    MATF_CLIP_SHIFT   = 5,
-    MATF_FLAG_SHIFT   = 8,
-
-    MATF_INDEX  = 3 << MATF_INDEX_SHIFT,
-    MATF_VOLUME = 7 << MATF_VOLUME_SHIFT,
-    MATF_CLIP   = 7 << MATF_CLIP_SHIFT,
-    MATF_FLAGS  = 0xFF << MATF_FLAG_SHIFT
+	MATF_INDEX_SHIFT  = 0,
+	MATF_VOLUME_SHIFT = 2,
+	MATF_CLIP_SHIFT   = 5,
+	MATF_FLAG_SHIFT   = 8,
+
+	MATF_INDEX  = 3 << MATF_INDEX_SHIFT,
+	MATF_VOLUME = 7 << MATF_VOLUME_SHIFT,
+	MATF_CLIP   = 7 << MATF_CLIP_SHIFT,
+	MATF_FLAGS  = 0xFF << MATF_FLAG_SHIFT
 };
 
 enum // cube empty-space materials
 {
-    MAT_AIR      = 0,                      // the default, fill the empty space with air
-    MAT_WATER    = 1 << MATF_VOLUME_SHIFT, // fill with water, showing waves at the surface
-    MAT_LAVA     = 2 << MATF_VOLUME_SHIFT, // fill with lava
-    MAT_GLASS    = 3 << MATF_VOLUME_SHIFT, // behaves like clip but is blended blueish
+	MAT_AIR	  = 0,					  // the default, fill the empty space with air
+	MAT_WATER	= 1 << MATF_VOLUME_SHIFT, // fill with water, showing waves at the surface
+	MAT_LAVA	 = 2 << MATF_VOLUME_SHIFT, // fill with lava
+	MAT_GLASS	= 3 << MATF_VOLUME_SHIFT, // behaves like clip but is blended blueish
 
-    MAT_NOCLIP   = 1 << MATF_CLIP_SHIFT,  // collisions always treat cube as empty
-    MAT_CLIP     = 2 << MATF_CLIP_SHIFT,  // collisions always treat cube as solid
-    MAT_GAMECLIP = 3 << MATF_CLIP_SHIFT,  // game specific clip material
+	MAT_NOCLIP   = 1 << MATF_CLIP_SHIFT,  // collisions always treat cube as empty
+	MAT_CLIP	 = 2 << MATF_CLIP_SHIFT,  // collisions always treat cube as solid
+	MAT_GAMECLIP = 3 << MATF_CLIP_SHIFT,  // game specific clip material
 
-    MAT_DEATH    = 1 << MATF_FLAG_SHIFT,  // force player suicide
-    MAT_ALPHA    = 4 << MATF_FLAG_SHIFT   // alpha blended
+	MAT_DEATH	= 1 << MATF_FLAG_SHIFT,  // force player suicide
+	MAT_ALPHA	= 4 << MATF_FLAG_SHIFT   // alpha blended
 };
 
 #define isliquid(mat) ((mat)==MAT_WATER || (mat)==MAT_LAVA)
@@ -45,7 +45,7 @@ extern entity *brightestlight(const vec &target, const vec &dir);
 
 enum { RAY_BB = 1, RAY_POLY = 3, RAY_ALPHAPOLY = 7, RAY_ENTS = 9, RAY_CLIPMAT = 16, RAY_SKIPFIRST = 32, RAY_EDITMAT = 64, RAY_SHADOW = 128, RAY_PASS = 256, RAY_SKIPSKY = 512, RAY_SKYTEX = 1024 };
 
-extern float raycube   (const vec &o, const vec &ray,     float radius = 0, int mode = RAY_CLIPMAT, int size = 0, extentity *t = 0);
+extern float raycube   (const vec &o, const vec &ray,	 float radius = 0, int mode = RAY_CLIPMAT, int size = 0, extentity *t = 0);
 extern float raycubepos(const vec &o, const vec &ray, vec &hit, float radius = 0, int mode = RAY_CLIPMAT, int size = 0);
 extern float rayfloor  (const vec &o, vec &floor, int mode = 0, float radius = 0);
 extern bool  raycubelos(const vec &o, const vec &dest, vec &hitpos);
@@ -61,27 +61,27 @@ enum { EDIT_FACE = 0, EDIT_TEX, EDIT_MAT, EDIT_FLIP, EDIT_COPY, EDIT_PASTE, EDIT
 
 struct selinfo
 {
-    int corner;
-    int cx, cxs, cy, cys;
-    ivec o, s;
-    int grid, orient;
-    selinfo() : corner(0), cx(0), cxs(0), cy(0), cys(0), o(0, 0, 0), s(0, 0, 0), grid(8), orient(0) {}
-    int size() const    { return s.x*s.y*s.z; }
-    int us(int d) const { return s[d]*grid; }
-    bool operator==(const selinfo &sel) const { return o==sel.o && s==sel.s && grid==sel.grid && orient==sel.orient; }
-    bool validate()
-    {
-        extern int worldsize;
-        if(grid <= 0 || grid >= worldsize) return false;
-        if(o.x >= worldsize || o.y >= worldsize || o.z >= worldsize) return false;
-        if(o.x < 0) { s.x -= (grid - 1 - o.x)/grid; o.x = 0; }
-        if(o.y < 0) { s.y -= (grid - 1 - o.y)/grid; o.y = 0; }
-        if(o.z < 0) { s.z -= (grid - 1 - o.z)/grid; o.z = 0; }
-        s.x = clamp(s.x, 0, (worldsize - o.x)/grid);
-        s.y = clamp(s.y, 0, (worldsize - o.y)/grid);
-        s.z = clamp(s.z, 0, (worldsize - o.z)/grid);
-        return s.x > 0 && s.y > 0 && s.z > 0;
-    }
+	int corner;
+	int cx, cxs, cy, cys;
+	ivec o, s;
+	int grid, orient;
+	selinfo() : corner(0), cx(0), cxs(0), cy(0), cys(0), o(0, 0, 0), s(0, 0, 0), grid(8), orient(0) {}
+	int size() const	{ return s.x*s.y*s.z; }
+	int us(int d) const { return s[d]*grid; }
+	bool operator==(const selinfo &sel) const { return o==sel.o && s==sel.s && grid==sel.grid && orient==sel.orient; }
+	bool validate()
+	{
+		extern int worldsize;
+		if(grid <= 0 || grid >= worldsize) return false;
+		if(o.x >= worldsize || o.y >= worldsize || o.z >= worldsize) return false;
+		if(o.x < 0) { s.x -= (grid - 1 - o.x)/grid; o.x = 0; }
+		if(o.y < 0) { s.y -= (grid - 1 - o.y)/grid; o.y = 0; }
+		if(o.z < 0) { s.z -= (grid - 1 - o.z)/grid; o.z = 0; }
+		s.x = clamp(s.x, 0, (worldsize - o.x)/grid);
+		s.y = clamp(s.y, 0, (worldsize - o.y)/grid);
+		s.z = clamp(s.z, 0, (worldsize - o.z)/grid);
+		return s.x > 0 && s.y > 0 && s.z > 0;
+	}
 };
 
 struct editinfo;
@@ -187,16 +187,16 @@ static inline void loopiter(ident *id, identstack &stack, const char *s) { tagva
 
 enum
 {
-    CON_INFO  = 1<<0,
-    CON_WARN  = 1<<1,
-    CON_ERROR = 1<<2,
-    CON_DEBUG = 1<<3,
-    CON_INIT  = 1<<4,
-    CON_ECHO  = 1<<5,
-
-    CON_FLAGS = 0xFFFF,
-    CON_TAG_SHIFT = 16,
-    CON_TAG_MASK = (0x7FFF << CON_TAG_SHIFT)
+	CON_INFO  = 1<<0,
+	CON_WARN  = 1<<1,
+	CON_ERROR = 1<<2,
+	CON_DEBUG = 1<<3,
+	CON_INIT  = 1<<4,
+	CON_ECHO  = 1<<5,
+
+	CON_FLAGS = 0xFFFF,
+	CON_TAG_SHIFT = 16,
+	CON_TAG_MASK = (0x7FFF << CON_TAG_SHIFT)
 };
 
 extern void conoutf(const char *s, ...) PRINTFARGS(1, 2);
@@ -221,14 +221,14 @@ extern int lookupmaterial(const vec &o);
 
 static inline bool insideworld(const vec &o)
 {
-    extern int worldsize;
-    return o.x>=0 && o.x<worldsize && o.y>=0 && o.y<worldsize && o.z>=0 && o.z<worldsize;
+	extern int worldsize;
+	return o.x>=0 && o.x<worldsize && o.y>=0 && o.y<worldsize && o.z>=0 && o.z<worldsize;
 }
 
 static inline bool insideworld(const ivec &o)
 {
-    extern int worldsize;
-    return uint(o.x)<uint(worldsize) && uint(o.y)<uint(worldsize) && uint(o.z)<uint(worldsize);
+	extern int worldsize;
+	return uint(o.x)<uint(worldsize) && uint(o.y)<uint(worldsize) && uint(o.z)<uint(worldsize);
 }
 
 // world
@@ -263,31 +263,31 @@ extern void text_posf(const char *str, int cursor, float &cx, float &cy, int max
 
 static inline int text_width(const char *str)
 {
-    return int(ceil(text_widthf(str)));
+	return int(ceil(text_widthf(str)));
 }
 
 static inline void text_bounds(const char *str, int &width, int &height, int maxwidth = -1)
 {
-    float widthf, heightf;
-    text_boundsf(str, widthf, heightf, maxwidth);
-    width = int(ceil(widthf));
-    height = int(ceil(heightf));
+	float widthf, heightf;
+	text_boundsf(str, widthf, heightf, maxwidth);
+	width = int(ceil(widthf));
+	height = int(ceil(heightf));
 }
 
 static inline void text_pos(const char *str, int cursor, int &cx, int &cy, int maxwidth)
 {
-    float cxf, cyf;
-    text_posf(str, cursor, cxf, cyf, maxwidth);
-    cx = int(cxf);
-    cy = int(cyf);
+	float cxf, cyf;
+	text_posf(str, cursor, cxf, cyf, maxwidth);
+	cx = int(cxf);
+	cy = int(cyf);
 }
 
 // renderva
 enum
 {
-    DL_SHRINK = 1<<0,
-    DL_EXPAND = 1<<1,
-    DL_FLASH  = 1<<2
+	DL_SHRINK = 1<<0,
+	DL_EXPAND = 1<<1,
+	DL_FLASH  = 1<<2
 };
 
 extern void adddynlight(const vec &o, float radius, const vec &color, int fade = 0, int peak = 0, int flags = 0, float initradius = 0, const vec &initcolor = vec(0, 0, 0), physent *owner = NULL);
@@ -303,9 +303,7 @@ extern void disablezoom();
 extern vec calcavatarpos(const vec &pos, float dist);
 extern vec calcmodelpreviewpos(const vec &radius, float &yaw);
 
-extern void damageblend(int n);
 extern void damagecompass(int n, const vec &loc);
-extern void cleardamagescreen();
 
 extern matrix4 hudmatrix;
 extern void resethudmatrix();
@@ -318,23 +316,23 @@ extern void pushhudtranslate(float tx, float ty, float sx = 0, float sy = 0);
 // renderparticles
 enum
 {
-    PART_BLOOD = 0,
-    PART_WATER,
-    PART_SMOKE,
-    PART_STEAM,
-    PART_FLAME,
-    PART_FIREBALL1, PART_FIREBALL2, PART_FIREBALL3,
-    PART_STREAK, PART_LIGHTNING,
-    PART_EXPLOSION, PART_EXPLOSION_BLUE,
-    PART_SPARK, PART_EDIT,
-    PART_SNOW,
-    PART_MUZZLE_FLASH1, PART_MUZZLE_FLASH2, PART_MUZZLE_FLASH3,
-    PART_HUD_ICON,
-    PART_HUD_ICON_GREY,
-    PART_TEXT,
-    PART_TEXT_ICON,
-    PART_METER, PART_METER_VS,
-    PART_LENS_FLARE
+	PART_BLOOD = 0,
+	PART_WATER,
+	PART_SMOKE,
+	PART_STEAM,
+	PART_FLAME,
+	PART_FIREBALL1, PART_FIREBALL2, PART_FIREBALL3,
+	PART_STREAK, PART_LIGHTNING,
+	PART_EXPLOSION, PART_EXPLOSION_BLUE,
+	PART_SPARK, PART_EDIT,
+	PART_SNOW,
+	PART_MUZZLE_FLASH1, PART_MUZZLE_FLASH2, PART_MUZZLE_FLASH3,
+	PART_HUD_ICON,
+	PART_HUD_ICON_GREY,
+	PART_TEXT,
+	PART_TEXT_ICON,
+	PART_METER, PART_METER_VS,
+	PART_LENS_FLARE
 };
 
 extern bool canaddparticles();
@@ -354,9 +352,9 @@ extern void removetrackedparticles(physent *owner = NULL);
 // decal
 enum
 {
-    DECAL_SCORCH = 0,
-    DECAL_BLOOD,
-    DECAL_BULLET
+	DECAL_SCORCH = 0,
+	DECAL_BLOOD,
+	DECAL_BULLET
 };
 
 extern void adddecal(int type, const vec &center, const vec &surface, float radius, const bvec &color = bvec(0xFF, 0xFF, 0xFF), int info = 0);
@@ -385,11 +383,9 @@ extern bool overlapsdynent(const vec &o, float radius);
 extern bool movecamera(physent *pl, const vec &dir, float dist, float stepdist);
 extern void physicsframe();
 extern void dropenttofloor(entity *e);
-extern bool droptofloor(vec &o, float radius, float height);
 
 extern void vecfromyawpitch(float yaw, float pitch, int move, int strafe, vec &m);
 extern void vectoyawpitch(const vec &v, float &yaw, float &pitch);
-extern bool moveplatform(physent *p, const vec &dir);
 extern void updatephysstate(physent *d);
 extern void cleardynentcache();
 extern void updatedynentcache(physent *d);
@@ -399,9 +395,9 @@ extern void findplayerspawn(dynent *d, int forceent = -1, int tag = 0);
 // sound
 enum
 {
-    SND_MAP     = 1<<0,
-    SND_NO_ALT  = 1<<1,
-    SND_USE_ALT = 1<<2
+	SND_MAP	 = 1<<0,
+	SND_NO_ALT  = 1<<1,
+	SND_USE_ALT = 1<<2
 };
 
 extern int playsound(int n, const vec *loc = NULL, extentity *ent = NULL, int flags = 0, int loops = 0, int fade = 0, int chanid = -1, int radius = 0, int expire = -1);
@@ -418,14 +414,14 @@ enum { MDL_CULL_VFC = 1<<0, MDL_CULL_DIST = 1<<1, MDL_CULL_OCCLUDED = 1<<2, MDL_
 struct model;
 struct modelattach
 {
-    const char *tag, *name;
-    int anim, basetime;
-    vec *pos;
-    model *m;
-
-    modelattach() : tag(NULL), name(NULL), anim(-1), basetime(0), pos(NULL), m(NULL) {}
-    modelattach(const char *tag, const char *name, int anim = -1, int basetime = 0) : tag(tag), name(name), anim(anim), basetime(basetime), pos(NULL), m(NULL) {}
-    modelattach(const char *tag, vec *pos) : tag(tag), name(NULL), anim(-1), basetime(0), pos(pos), m(NULL) {}
+	const char *tag, *name;
+	int anim, basetime;
+	vec *pos;
+	model *m;
+
+	modelattach() : tag(NULL), name(NULL), anim(-1), basetime(0), pos(NULL), m(NULL) {}
+	modelattach(const char *tag, const char *name, int anim = -1, int basetime = 0) : tag(tag), name(name), anim(anim), basetime(basetime), pos(NULL), m(NULL) {}
+	modelattach(const char *tag, vec *pos) : tag(tag), name(NULL), anim(-1), basetime(0), pos(pos), m(NULL) {}
 };
 
 extern void startmodelbatches();
@@ -447,8 +443,8 @@ extern void moveragdoll(dynent *d);
 extern void cleanragdoll(dynent *d);
 
 // server
-#define MAXCLIENTS 128                 // DO NOT set this any higher
-#define MAXTRANS 5000                  // max amount of data to swallow in 1 go
+#define MAXCLIENTS 128				 // DO NOT set this any higher
+#define MAXTRANS 5000				  // max amount of data to swallow in 1 go
 
 extern int maxclients;
 
@@ -506,70 +502,70 @@ enum { EDITORFOCUSED = 1, EDITORUSED, EDITORFOREVER };
 
 struct g3d_gui
 {
-    virtual ~g3d_gui() {}
-
-    virtual void start(int starttime, float basescale, int *tab = NULL, bool allowinput = true) = 0;
-    virtual void end() = 0;
-
-    virtual int text(const char *text, int color, const char *icon = NULL) = 0;
-    int textf(const char *fmt, int color, const char *icon = NULL, ...) PRINTFARGS(2, 5)
-    {
-        defvformatstring(str, icon, fmt);
-        return text(str, color, icon);
-    }
-    virtual int button(const char *text, int color, const char *icon = NULL) = 0;
-    int buttonf(const char *fmt, int color, const char *icon = NULL, ...) PRINTFARGS(2, 5)
-    {
-        defvformatstring(str, icon, fmt);
-        return button(str, color, icon);
-    }
-    virtual int title(const char *text, int color, const char *icon = NULL) = 0;
-    int titlef(const char *fmt, int color, const char *icon = NULL, ...) PRINTFARGS(2, 5)
-    {
-        defvformatstring(str, icon, fmt);
-        return title(str, color, icon);
-    }
-    virtual void background(int color, int parentw = 0, int parenth = 0) = 0;
-
-    virtual void pushlist() {}
-    virtual void poplist() {}
-
-    virtual bool allowautotab(bool on) = 0;
-    virtual bool shouldtab() = 0;
-    virtual void tab(const char *name = NULL, int color = 0) = 0;
-    virtual int image(Texture *t, float scale, const char *overlaid = NULL) = 0;
-    virtual int texture(VSlot &vslot, float scale, bool overlaid = true) = 0;
-    virtual int playerpreview(int model, int team, int weap, float scale, const char *overlaid = NULL) = 0;
-    virtual int modelpreview(const char *name, int anim, float scale, const char *overlaid = NULL, bool throttle = false) = 0;
-    virtual int prefabpreview(const char *prefab, const vec &color, float scale, const char *overlaid = NULL, bool throttle = false) = 0;
-    virtual void slider(int &val, int vmin, int vmax, int color, const char *label = NULL) = 0;
-    virtual void separator() = 0;
-    virtual void progress(float percent) = 0;
-    virtual void strut(float size) = 0;
-    virtual void space(float size) = 0;
-    virtual void spring(int weight = 1) = 0;
-    virtual void column(int col) = 0;
-    virtual char *keyfield(const char *name, int color, int length, int height = 0, const char *initval = NULL, int initmode = EDITORFOCUSED) = 0;
-    virtual char *field(const char *name, int color, int length, int height = 0, const char *initval = NULL, int initmode = EDITORFOCUSED) = 0;
-    virtual void textbox(const char *text, int width, int height, int color = 0xFFFFFF) = 0;
-    virtual bool mergehits(bool on) = 0;
+	virtual ~g3d_gui() {}
+
+	virtual void start(int starttime, float basescale, int *tab = NULL, bool allowinput = true) = 0;
+	virtual void end() = 0;
+
+	virtual int text(const char *text, int color, const char *icon = NULL) = 0;
+	int textf(const char *fmt, int color, const char *icon = NULL, ...) PRINTFARGS(2, 5)
+	{
+		defvformatstring(str, icon, fmt);
+		return text(str, color, icon);
+	}
+	virtual int button(const char *text, int color, const char *icon = NULL) = 0;
+	int buttonf(const char *fmt, int color, const char *icon = NULL, ...) PRINTFARGS(2, 5)
+	{
+		defvformatstring(str, icon, fmt);
+		return button(str, color, icon);
+	}
+	virtual int title(const char *text, int color, const char *icon = NULL) = 0;
+	int titlef(const char *fmt, int color, const char *icon = NULL, ...) PRINTFARGS(2, 5)
+	{
+		defvformatstring(str, icon, fmt);
+		return title(str, color, icon);
+	}
+	virtual void background(int color, int parentw = 0, int parenth = 0) = 0;
+
+	virtual void pushlist() {}
+	virtual void poplist() {}
+
+	virtual bool allowautotab(bool on) = 0;
+	virtual bool shouldtab() = 0;
+	virtual void tab(const char *name = NULL, int color = 0) = 0;
+	virtual int image(Texture *t, float scale, const char *overlaid = NULL) = 0;
+	virtual int texture(VSlot &vslot, float scale, bool overlaid = true) = 0;
+	virtual int playerpreview(int model, int team, int weap, float scale, const char *overlaid = NULL) = 0;
+	virtual int modelpreview(const char *name, int anim, float scale, const char *overlaid = NULL, bool throttle = false) = 0;
+	virtual int prefabpreview(const char *prefab, const vec &color, float scale, const char *overlaid = NULL, bool throttle = false) = 0;
+	virtual void slider(int &val, int vmin, int vmax, int color, const char *label = NULL) = 0;
+	virtual void separator() = 0;
+	virtual void progress(float percent) = 0;
+	virtual void strut(float size) = 0;
+	virtual void space(float size) = 0;
+	virtual void spring(int weight = 1) = 0;
+	virtual void column(int col) = 0;
+	virtual char *keyfield(const char *name, int color, int length, int height = 0, const char *initval = NULL, int initmode = EDITORFOCUSED) = 0;
+	virtual char *field(const char *name, int color, int length, int height = 0, const char *initval = NULL, int initmode = EDITORFOCUSED) = 0;
+	virtual void textbox(const char *text, int width, int height, int color = 0xFFFFFF) = 0;
+	virtual bool mergehits(bool on) = 0;
 };
 
 struct g3d_callback
 {
-    virtual ~g3d_callback() {}
+	virtual ~g3d_callback() {}
 
-    int starttime() { return totalmillis; }
+	int starttime() { return totalmillis; }
 
-    virtual void gui(g3d_gui &g, bool firstpass) = 0;
+	virtual void gui(g3d_gui &g, bool firstpass) = 0;
 };
 
 enum
 {
-    GUI_2D       = 1<<0,
-    GUI_FOLLOW   = 1<<1,
-    GUI_FORCE_2D = 1<<2,
-    GUI_BOTTOM   = 1<<3
+	GUI_2D	   = 1<<0,
+	GUI_FOLLOW   = 1<<1,
+	GUI_FORCE_2D = 1<<2,
+	GUI_BOTTOM   = 1<<3
 };
 
 extern void g3d_addgui(g3d_callback *cb, vec &origin, int flags = 0);
-- 
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