qcsrc/common/mutators/mutator/damagetext/damagetext.qc

   1 #include "damagetext.qh"
   2
   3 #define DAMAGETEXT_PRECISION_MULTIPLIER 128
   4 #define DAMAGETEXT_SHORT_LIMIT 256 // the smallest value that we can't send as short - 2^15 (signed short) / DAMAGETEXT_PRECISION_MULTIPLIER
   5
   6 const int DTFLAG_SAMETEAM = BIT(0);
   7 const int DTFLAG_BIG_HEALTH = BIT(1);
   8 const int DTFLAG_BIG_ARMOR = BIT(2);
   9 const int DTFLAG_BIG_POTENTIAL = BIT(3);
  10 const int DTFLAG_NO_ARMOR = BIT(4);
  11 const int DTFLAG_NO_POTENTIAL = BIT(5);
  12
  13 REGISTER_MUTATOR(damagetext, true);
  14
  15 #if defined(CSQC) || defined(MENUQC)
  16 // no translatable cvar description please
  17 AUTOCVAR_SAVE(cl_damagetext,                        bool,   true,       "Draw damage dealt where you hit the enemy");
  18 AUTOCVAR_SAVE(cl_damagetext_format,                 string, "-{total}", "How to format the damage text. {health}, {armor}, {total}, {potential}: full damage not capped to target's health, {potential_health}: health damage not capped to target's health");
  19 AUTOCVAR_SAVE(cl_damagetext_format_verbose,         bool,   false,      "{health} shows {potential_health} too when they differ; {total} shows {potential} too when they differ");
  20 AUTOCVAR_SAVE(cl_damagetext_format_hide_redundant,  bool,   false,      "hide {armor} if 0; hide {potential} and {potential_health} when same as actual");
  21 STATIC_INIT(DamageText_LegacyFormat) {
  22     // damagetext used to be off by default and the cvar got saved in people's configs along with the old format
  23     // enable damagetext while updating the format for a one time effect
  24     if (strstrofs(autocvar_cl_damagetext_format, "{", 0) < 0) {
  25         localcmd("\nseta cl_damagetext 1\n");
  26         localcmd("\nseta cl_damagetext_format -{total}\n");
  27     };
  28 }
  29 AUTOCVAR_SAVE(cl_damagetext_color,                  vector, '1 1 0',    "Damage text color");
  30 AUTOCVAR_SAVE(cl_damagetext_color_per_weapon,       bool,   false,      "Damage text uses weapon color");
  31 AUTOCVAR_SAVE(cl_damagetext_size_min,               float,  8,          "Damage text font size for small damage");
  32 AUTOCVAR_SAVE(cl_damagetext_size_min_damage,        float,  0,          "How much damage is considered small");
  33 AUTOCVAR_SAVE(cl_damagetext_size_max,               float,  16,         "Damage text font size for large damage");
  34 AUTOCVAR_SAVE(cl_damagetext_size_max_damage,        float,  100,        "How much damage is considered large");
  35 AUTOCVAR_SAVE(cl_damagetext_alpha_start,            float,  1,          "Damage text initial alpha");
  36 AUTOCVAR_SAVE(cl_damagetext_alpha_lifetime,         float,  3,          "Damage text lifetime in seconds");
  37 AUTOCVAR_SAVE(cl_damagetext_velocity,               vector, '0 0 20',   "Damage text move direction");
  38 AUTOCVAR_SAVE(cl_damagetext_offset,                 vector, '0 -40 0',  "Damage text offset");
  39 AUTOCVAR_SAVE(cl_damagetext_accumulate_range,       float,  30,         "Damage text spawned within this range is accumulated");
  40 AUTOCVAR_SAVE(cl_damagetext_accumulate_alpha_rel,   float,  0.65,       "Only update existing damage text when it's above this much percentage (0 to 1) of the starting alpha");
  41 AUTOCVAR_SAVE(cl_damagetext_friendlyfire,           bool,   true,       "Show damage text for friendlyfire too");
  42 AUTOCVAR_SAVE(cl_damagetext_friendlyfire_color,     vector, '1 0 0',    "Damage text color for friendlyfire");
  43 #endif
  44
  45 #ifdef CSQC
  46 CLASS(DamageText, Object)
  47     ATTRIB(DamageText, m_color, vector, autocvar_cl_damagetext_color);
  48     ATTRIB(DamageText, m_color_friendlyfire, vector, autocvar_cl_damagetext_friendlyfire_color);
  49     ATTRIB(DamageText, m_size, float, autocvar_cl_damagetext_size_min);
  50     ATTRIB(DamageText, alpha, float, autocvar_cl_damagetext_alpha_start);
  51     ATTRIB(DamageText, fade_rate, float, 1 / autocvar_cl_damagetext_alpha_lifetime);
  52     ATTRIB(DamageText, velocity, vector, autocvar_cl_damagetext_velocity);
  53     ATTRIB(DamageText, m_group, int, 0);
  54     ATTRIB(DamageText, m_friendlyfire, bool, false);
  55     ATTRIB(DamageText, m_healthdamage, int, 0);
  56     ATTRIB(DamageText, m_armordamage, int, 0);
  57     ATTRIB(DamageText, m_potential_damage, int, 0);
  58     ATTRIB(DamageText, m_deathtype, int, 0);
  59     ATTRIB(DamageText, time_prev, float, time);
  60     ATTRIB(DamageText, text, string, string_null);
  61
  62     void DamageText_draw2d(DamageText this) {
  63         float dt = time - this.time_prev;
  64         this.time_prev = time;
  65         setorigin(this, this.origin + dt * this.velocity);
  66         this.alpha -= dt * this.fade_rate;
  67         if (this.alpha < 0) delete(this);
  68         vector pos = project_3d_to_2d(this.origin) + autocvar_cl_damagetext_offset;
  69         if (pos.z >= 0 && this.m_size > 0) {
  70             pos.z = 0;
  71             vector rgb;
  72             if (this.m_friendlyfire) {
  73                 rgb = this.m_color_friendlyfire;
  74             } else {
  75                 rgb = this.m_color;
  76             }
  77             if (autocvar_cl_damagetext_color_per_weapon) {
  78                 Weapon w = DEATH_WEAPONOF(this.m_deathtype);
  79                 if (w != WEP_Null) rgb = w.wpcolor;
  80             }
  81
  82             vector drawfontscale_save = drawfontscale;
  83             drawfontscale = (this.m_size / autocvar_cl_damagetext_size_max) * '1 1 0';
  84             drawcolorcodedstring2_builtin(pos, this.text, autocvar_cl_damagetext_size_max * '1 1 0', rgb, this.alpha, DRAWFLAG_NORMAL);
  85             drawfontscale = drawfontscale_save;
  86         }
  87     }
  88     ATTRIB(DamageText, draw2d, void(DamageText), DamageText_draw2d);
  89
  90     void DamageText_update(DamageText this, vector _origin, int _health, int _armor, int _potential_damage, int _deathtype) {
  91         this.m_healthdamage = _health;
  92         this.m_armordamage = _armor;
  93         this.m_potential_damage = _potential_damage;
  94         this.m_deathtype = _deathtype;
  95         setorigin(this, _origin);
  96         this.alpha = autocvar_cl_damagetext_alpha_start;
  97
  98         int health = rint(this.m_healthdamage / DAMAGETEXT_PRECISION_MULTIPLIER);
  99         int armor = rint(this.m_armordamage / DAMAGETEXT_PRECISION_MULTIPLIER);
 100         int total = rint((this.m_healthdamage + this.m_armordamage) / DAMAGETEXT_PRECISION_MULTIPLIER);
 101         int potential = rint(this.m_potential_damage / DAMAGETEXT_PRECISION_MULTIPLIER);
 102         int potential_health = rint((this.m_potential_damage - this.m_armordamage) / DAMAGETEXT_PRECISION_MULTIPLIER);
 103
 104         string s = autocvar_cl_damagetext_format;
 105         s = strreplace("{armor}", (
 106             (this.m_armordamage == 0 && autocvar_cl_damagetext_format_hide_redundant)
 107                 ? ""
 108                 : sprintf("%d", armor)
 109             ), s);
 110         s = strreplace("{potential}", (
 111             (this.m_potential_damage == this.m_healthdamage + this.m_armordamage && autocvar_cl_damagetext_format_hide_redundant)
 112                 ? ""
 113                 : sprintf("%d", potential)
 114             ), s);
 115         s = strreplace("{potential_health}", (
 116             (this.m_potential_damage - this.m_armordamage == this.m_healthdamage && autocvar_cl_damagetext_format_hide_redundant)
 117                 ? ""
 118                 : sprintf("%d", potential_health)
 119             ), s);
 120
 121         s = strreplace("{health}", (
 122             (health == potential_health || !autocvar_cl_damagetext_format_verbose)
 123                 ? sprintf("%d",      health)
 124                 : sprintf("%d (%d)", health, potential_health)
 125             ), s);
 126         s = strreplace("{total}", (
 127             (total == potential || !autocvar_cl_damagetext_format_verbose)
 128                 ? sprintf("%d",      total)
 129                 : sprintf("%d (%d)", total, potential)
 130             ), s);
 131
 132         // futureproofing: remove any remaining (unknown) format strings in case we add new ones in the future
 133         // so players can use them on new servers and still have working damagetext on old ones
 134         while (true) {
 135             int opening_pos = strstrofs(s, "{", 0);
 136             if (opening_pos == -1) break;
 137             int closing_pos = strstrofs(s, "}", opening_pos);
 138             if (closing_pos == -1 || closing_pos <= opening_pos) break;
 139             s = strcat(
 140                 substring(s, 0, opening_pos),
 141                 substring(s, closing_pos + 1, strlen(s))
 142             );
 143         }
 144
 145         if (this.text) strunzone(this.text);
 146         this.text = strzone(s);
 147
 148         float size_range = autocvar_cl_damagetext_size_max - autocvar_cl_damagetext_size_min;
 149         float damage_range = autocvar_cl_damagetext_size_max_damage - autocvar_cl_damagetext_size_min_damage;
 150         float scale_factor = size_range / damage_range;
 151         this.m_size = bound(
 152             autocvar_cl_damagetext_size_min,
 153             (potential - autocvar_cl_damagetext_size_min_damage) * scale_factor + autocvar_cl_damagetext_size_min,
 154             autocvar_cl_damagetext_size_max);
 155     }
 156
 157     CONSTRUCTOR(DamageText, int _group, vector _origin, int _health, int _armor, int _potential_damage, int _deathtype, bool _friendlyfire) {
 158         CONSTRUCT(DamageText);
 159         this.m_group = _group;
 160         this.m_friendlyfire = _friendlyfire;
 161         DamageText_update(this, _origin, _health, _armor, _potential_damage, _deathtype);
 162                 IL_PUSH(g_drawables_2d, this);
 163     }
 164
 165     DESTRUCTOR(DamageText) {
 166         if (this.text) strunzone(this.text);
 167     }
 168 ENDCLASS(DamageText)
 169 #endif
 170
 171 REGISTER_NET_TEMP(damagetext)
 172
 173 #ifdef SVQC
 174 AUTOCVAR(sv_damagetext, int, 2, _("<= 0: disabled, >= 1: spectators, >= 2: players, >= 3: all players"));
 175 #define SV_DAMAGETEXT_DISABLED()        (autocvar_sv_damagetext <= 0 /* disabled */)
 176 #define SV_DAMAGETEXT_SPECTATORS_ONLY() (autocvar_sv_damagetext >= 1 /* spectators only */)
 177 #define SV_DAMAGETEXT_PLAYERS()         (autocvar_sv_damagetext >= 2 /* players */)
 178 #define SV_DAMAGETEXT_ALL()             (autocvar_sv_damagetext >= 3 /* all players */)
 179 MUTATOR_HOOKFUNCTION(damagetext, PlayerDamaged) {
 180     if (SV_DAMAGETEXT_DISABLED()) return;
 181     const entity attacker = M_ARGV(0, entity);
 182     const entity hit = M_ARGV(1, entity); if (hit == attacker) return;
 183     const float health = M_ARGV(2, float);
 184     const float armor = M_ARGV(3, float);
 185     const int deathtype = M_ARGV(5, int);
 186     const float potential_damage = M_ARGV(6, float);
 187     const vector location = hit.origin;
 188     FOREACH_CLIENT(IS_REAL_CLIENT(it), LAMBDA(
 189         if (
 190             (SV_DAMAGETEXT_ALL()) ||
 191             (SV_DAMAGETEXT_PLAYERS() && it == attacker) ||
 192             (SV_DAMAGETEXT_SPECTATORS_ONLY() && IS_SPEC(it) && it.enemy == attacker) ||
 193             (SV_DAMAGETEXT_SPECTATORS_ONLY() && IS_OBSERVER(it))
 194         ) {
 195             int flags = 0;
 196             if (SAME_TEAM(hit, attacker)) flags |= DTFLAG_SAMETEAM;
 197             if (health >= DAMAGETEXT_SHORT_LIMIT) flags |= DTFLAG_BIG_HEALTH;
 198             if (armor >= DAMAGETEXT_SHORT_LIMIT) flags |= DTFLAG_BIG_ARMOR;
 199             if (potential_damage >= DAMAGETEXT_SHORT_LIMIT) flags |= DTFLAG_BIG_POTENTIAL;
 200             if (!armor) flags |= DTFLAG_NO_ARMOR;
 201             if (fabs((armor + health) - potential_damage) < 0.0001) flags |= DTFLAG_NO_POTENTIAL;
 202
 203             msg_entity = it;
 204             WriteHeader(MSG_ONE, damagetext);
 205             WriteEntity(MSG_ONE, hit);
 206             WriteCoord(MSG_ONE, location.x);
 207             WriteCoord(MSG_ONE, location.y);
 208             WriteCoord(MSG_ONE, location.z);
 209             WriteInt24_t(MSG_ONE, deathtype);
 210             WriteByte(MSG_ONE, flags);
 211
 212             // we need to send a few decimal places to minimize errors when accumulating damage
 213             // sending them multiplied saves bandwidth compared to using WriteCoord,
 214             // however if the multiplied damage would be too much for (signed) short, we send an int24
 215             if (flags & DTFLAG_BIG_HEALTH) WriteInt24_t(MSG_ONE, health * DAMAGETEXT_PRECISION_MULTIPLIER);
 216             else WriteShort(MSG_ONE, health * DAMAGETEXT_PRECISION_MULTIPLIER);
 217             if (!(flags & DTFLAG_NO_ARMOR))
 218             {
 219                 if (flags & DTFLAG_BIG_ARMOR) WriteInt24_t(MSG_ONE, armor * DAMAGETEXT_PRECISION_MULTIPLIER);
 220                 else WriteShort(MSG_ONE, armor * DAMAGETEXT_PRECISION_MULTIPLIER);
 221             }
 222             if (!(flags & DTFLAG_NO_POTENTIAL))
 223             {
 224                 if (flags & DTFLAG_BIG_POTENTIAL) WriteInt24_t(MSG_ONE, potential_damage * DAMAGETEXT_PRECISION_MULTIPLIER);
 225                 else WriteShort(MSG_ONE, potential_damage * DAMAGETEXT_PRECISION_MULTIPLIER);
 226                         }
 227         }
 228     ));
 229 }
 230 #endif
 231
 232 #ifdef CSQC
 233 NET_HANDLE(damagetext, bool isNew)
 234 {
 235     int group = ReadShort();
 236     vector location = vec3(ReadCoord(), ReadCoord(), ReadCoord());
 237     int deathtype = ReadInt24_t();
 238     int flags = ReadByte();
 239     bool friendlyfire = flags & DTFLAG_SAMETEAM;
 240
 241     int health, armor, potential_damage;
 242     if (flags & DTFLAG_BIG_HEALTH) health = ReadInt24_t();
 243     else health = ReadShort();
 244     if (flags & DTFLAG_NO_ARMOR) armor = 0;
 245     else if (flags & DTFLAG_BIG_ARMOR) armor = ReadInt24_t();
 246     else armor = ReadShort();
 247     if (flags & DTFLAG_NO_POTENTIAL) potential_damage = health + armor;
 248     else if (flags & DTFLAG_BIG_POTENTIAL) potential_damage = ReadInt24_t();
 249     else potential_damage = ReadShort();
 250
 251     return = true;
 252     if (autocvar_cl_damagetext) {
 253         if (friendlyfire && !autocvar_cl_damagetext_friendlyfire) {
 254             return;
 255         }
 256         if (autocvar_cl_damagetext_accumulate_range) {
 257             for (entity e = findradius(location, autocvar_cl_damagetext_accumulate_range); e; e = e.chain) {
 258                 if (e.instanceOfDamageText && e.m_group == group && e.alpha > autocvar_cl_damagetext_accumulate_alpha_rel * autocvar_cl_damagetext_alpha_start) {
 259                     DamageText_update(e, location, e.m_healthdamage + health, e.m_armordamage + armor, e.m_potential_damage + potential_damage, deathtype);
 260                     return;
 261                 }
 262             }
 263         }
 264         make_impure(NEW(DamageText, group, location, health, armor, potential_damage, deathtype, friendlyfire));
 265     }
 266 }
 267 #endif
 268
 269 #ifdef MENUQC
 270
 271 #include <menu/gamesettings.qh>
 272
 273 CLASS(XonoticDamageTextSettings, XonoticTab)
 274     REGISTER_SETTINGS(damagetext, NEW(XonoticDamageTextSettings));
 275     ATTRIB(XonoticDamageTextSettings, title, string, _("Damage text"));
 276     ATTRIB(XonoticDamageTextSettings, intendedWidth, float, 0.9);
 277     ATTRIB(XonoticDamageTextSettings, rows, float, 15.5);
 278     ATTRIB(XonoticDamageTextSettings, columns, float, 5);
 279     INIT(XonoticDamageTextSettings) { this.configureDialog(this); }
 280     METHOD(XonoticDamageTextSettings, showNotify, void(entity this)) { loadAllCvars(this); }
 281     METHOD(XonoticDamageTextSettings, fill, void(entity this))
 282     {
 283         entity e;
 284         this.gotoRC(this, 0, 1); this.setFirstColumn(this, this.currentColumn);
 285             this.TD(this, 1, 3, makeXonoticCheckBox(0, "cl_damagetext", _("Draw damage numbers")));
 286         this.TR(this);
 287             this.TD(this, 1, 1, e = makeXonoticTextLabel(0, _("Font size minimum:")));
 288                 setDependent(e, "cl_damagetext", 1, 1);
 289             this.TD(this, 1, 2, e = makeXonoticSlider(0, 50, 1, "cl_damagetext_size_min"));
 290                 setDependent(e, "cl_damagetext", 1, 1);
 291         this.TR(this);
 292             this.TD(this, 1, 1, e = makeXonoticTextLabel(0, _("Font size maximum:")));
 293                 setDependent(e, "cl_damagetext", 1, 1);
 294             this.TD(this, 1, 2, e = makeXonoticSlider(0, 50, 1, "cl_damagetext_size_max"));
 295                 setDependent(e, "cl_damagetext", 1, 1);
 296         this.TR(this);
 297             this.TD(this, 1, 1, e = makeXonoticTextLabel(0, _("Accumulate range:")));
 298                 setDependent(e, "cl_damagetext", 1, 1);
 299             this.TD(this, 1, 2, e = makeXonoticSlider(0, 500, 1, "cl_damagetext_accumulate_range"));
 300                 setDependent(e, "cl_damagetext", 1, 1);
 301         this.TR(this);
 302             this.TD(this, 1, 1, e = makeXonoticTextLabel(0, _("Lifetime:")));
 303                 setDependent(e, "cl_damagetext", 1, 1);
 304             this.TD(this, 1, 2, e = makeXonoticSlider(0, 10, 1, "cl_damagetext_alpha_lifetime"));
 305                 setDependent(e, "cl_damagetext", 1, 1);
 306         this.TR(this);
 307             this.TD(this, 1, 1, e = makeXonoticTextLabel(0, _("Color:")));
 308                 setDependent(e, "cl_damagetext", 1, 1);
 309             this.TD(this, 2, 2, e = makeXonoticColorpickerString("cl_damagetext_color", "cl_damagetext_color"));
 310                 setDependent(e, "cl_damagetext", 1, 1);
 311         this.TR(this);
 312         this.TR(this);
 313         // friendly fire
 314             this.TD(this, 1, 3, e = makeXonoticCheckBox(0, "cl_damagetext_friendlyfire", _("Draw damage numbers for friendly fire")));
 315                 setDependent(e, "cl_damagetext", 1, 1);
 316         this.TR(this);
 317             this.TD(this, 1, 1, e = makeXonoticTextLabel(0, _("Color:")));
 318                 setDependentAND(e, "cl_damagetext", 1, 1, "cl_damagetext_friendlyfire", 1, 1);
 319             this.TD(this, 2, 2, e = makeXonoticColorpickerString("cl_damagetext_friendlyfire_color", "cl_damagetext_friendlyfire_color"));
 320                 setDependentAND(e, "cl_damagetext", 1, 1, "cl_damagetext_friendlyfire", 1, 1);
 321         this.TR(this);
 322     }
 323 ENDCLASS(XonoticDamageTextSettings)
 324 #endif