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 // || defined(MENUQC)
  16 #if defined(CSQC)
  17 // no translatable cvar description please
  18 AUTOCVAR_SAVE(cl_damagetext,                        bool,   true,       "Draw damage dealt where you hit the enemy");
  19 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");
  20 AUTOCVAR_SAVE(cl_damagetext_format_verbose,         bool,   false,      "{health} shows {potential_health} too when they differ; {total} shows {potential} too when they differ");
  21 STATIC_INIT(DamageText_LegacyFormat) {
  22     if (strstrofs(autocvar_cl_damagetext_format, "{", 0) < 0) autocvar_cl_damagetext_format = "-{total}";
  23 }
  24 AUTOCVAR_SAVE(cl_damagetext_color,                  vector, '1 1 0',    "Damage text color");
  25 AUTOCVAR_SAVE(cl_damagetext_color_per_weapon,       bool,   false,      "Damage text uses weapon color");
  26 AUTOCVAR_SAVE(cl_damagetext_size,                   float,  8,          "Damage text font size");
  27 AUTOCVAR_SAVE(cl_damagetext_alpha_start,            float,  1,          "Damage text initial alpha");
  28 AUTOCVAR_SAVE(cl_damagetext_alpha_lifetime,         float,  3,          "Damage text lifetime in seconds");
  29 AUTOCVAR_SAVE(cl_damagetext_velocity,               vector, '0 0 20',   "Damage text move direction");
  30 AUTOCVAR_SAVE(cl_damagetext_offset,                 vector, '0 -40 0',  "Damage text offset");
  31 AUTOCVAR_SAVE(cl_damagetext_accumulate_range,       float,  30,         "Damage text spawned within this range is accumulated");
  32 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");
  33 AUTOCVAR_SAVE(cl_damagetext_friendlyfire,           bool,   true,       "Show damage text for friendlyfire too");
  34 AUTOCVAR_SAVE(cl_damagetext_friendlyfire_color,     vector, '1 0 0',    "Damage text color for friendlyfire");
  35 #endif
  36
  37 #ifdef CSQC
  38 CLASS(DamageText, Object)
  39     ATTRIB(DamageText, m_color, vector, autocvar_cl_damagetext_color);
  40     ATTRIB(DamageText, m_color_friendlyfire, vector, autocvar_cl_damagetext_friendlyfire_color);
  41     ATTRIB(DamageText, m_size, float, autocvar_cl_damagetext_size);
  42     ATTRIB(DamageText, alpha, float, autocvar_cl_damagetext_alpha_start);
  43     ATTRIB(DamageText, fade_rate, float, 1 / autocvar_cl_damagetext_alpha_lifetime);
  44     ATTRIB(DamageText, velocity, vector, autocvar_cl_damagetext_velocity);
  45     ATTRIB(DamageText, m_group, int, 0);
  46     ATTRIB(DamageText, m_friendlyfire, bool, false);
  47     ATTRIB(DamageText, m_damage, int, 0);
  48     ATTRIB(DamageText, m_armordamage, int, 0);
  49     ATTRIB(DamageText, m_potential_damage, int, 0);
  50     ATTRIB(DamageText, m_deathtype, int, 0);
  51     ATTRIB(DamageText, time_prev, float, time);
  52
  53     void DamageText_draw2d(DamageText this) {
  54         float dt = time - this.time_prev;
  55         this.time_prev = time;
  56         setorigin(this, this.origin + dt * this.velocity);
  57         this.alpha -= dt * this.fade_rate;
  58         if (this.alpha < 0) delete(this);
  59         vector pos = project_3d_to_2d(this.origin) + autocvar_cl_damagetext_offset;
  60         if (pos.z >= 0 && this.m_size > 0) {
  61             pos.z = 0;
  62             vector rgb;
  63             if (this.m_friendlyfire) {
  64                 rgb = this.m_color_friendlyfire;
  65             }
  66             else {
  67                 rgb = this.m_color;
  68             }
  69             if (autocvar_cl_damagetext_color_per_weapon) {
  70                 Weapon w = DEATH_WEAPONOF(this.m_deathtype);
  71                 if (w != WEP_Null) rgb = w.wpcolor;
  72             }
  73             int health = rint(this.m_damage / DAMAGETEXT_PRECISION_MULTIPLIER);
  74             int total = rint((this.m_damage + this.m_armordamage) / DAMAGETEXT_PRECISION_MULTIPLIER);
  75             int potential = rint(this.m_potential_damage / DAMAGETEXT_PRECISION_MULTIPLIER);
  76             int potential_health = rint((this.m_potential_damage - this.m_armordamage) / DAMAGETEXT_PRECISION_MULTIPLIER);
  77
  78             string s = autocvar_cl_damagetext_format;
  79             s = strreplace("{armor}",  sprintf("%d", rint(this.m_armordamage / DAMAGETEXT_PRECISION_MULTIPLIER)), s);
  80             s = strreplace("{potential}",  sprintf("%d", potential), s);
  81             s = strreplace("{potential_health}",  sprintf("%d", potential_health), s);
  82
  83             s = strreplace("{health}", (
  84                                 (health == potential_health || !autocvar_cl_damagetext_format_verbose)
  85                                 ? sprintf("%d",      health)
  86                                 : sprintf("%d (%d)", health, potential_health)
  87                 ), s);
  88             s = strreplace("{total}", (
  89                                 (total == potential || !autocvar_cl_damagetext_format_verbose)
  90                                 ? sprintf("%d",      total)
  91                                 : sprintf("%d (%d)", total, potential)
  92                 ), s);
  93             drawcolorcodedstring2_builtin(pos, s, this.m_size * '1 1 0', rgb, this.alpha, DRAWFLAG_NORMAL);
  94         }
  95     }
  96     ATTRIB(DamageText, draw2d, void(DamageText), DamageText_draw2d);
  97
  98     void DamageText_update(DamageText this, vector _origin, int _health, int _armor, int _potential_damage, int _deathtype) {
  99         this.m_damage = _health;
 100         this.m_armordamage = _armor;
 101         this.m_potential_damage = _potential_damage;
 102         this.m_deathtype = _deathtype;
 103         setorigin(this, _origin);
 104         this.alpha = autocvar_cl_damagetext_alpha_start;
 105     }
 106
 107     CONSTRUCTOR(DamageText, int _group, vector _origin, int _health, int _armor, int _potential_damage, int _deathtype, bool _friendlyfire) {
 108         CONSTRUCT(DamageText);
 109         this.m_group = _group;
 110         this.m_friendlyfire = _friendlyfire;
 111         DamageText_update(this, _origin, _health, _armor, _potential_damage, _deathtype);
 112                 IL_PUSH(g_drawables_2d, this);
 113     }
 114 ENDCLASS(DamageText)
 115 #endif
 116
 117 REGISTER_NET_TEMP(damagetext)
 118
 119 #ifdef SVQC
 120 AUTOCVAR(sv_damagetext, int, 2, _("<= 0: disabled, >= 1: spectators, >= 2: players, >= 3: all players"));
 121 #define SV_DAMAGETEXT_DISABLED()        (autocvar_sv_damagetext <= 0 /* disabled */)
 122 #define SV_DAMAGETEXT_SPECTATORS_ONLY() (autocvar_sv_damagetext >= 1 /* spectators only */)
 123 #define SV_DAMAGETEXT_PLAYERS()         (autocvar_sv_damagetext >= 2 /* players */)
 124 #define SV_DAMAGETEXT_ALL()             (autocvar_sv_damagetext >= 3 /* all players */)
 125 MUTATOR_HOOKFUNCTION(damagetext, PlayerDamaged) {
 126     if (SV_DAMAGETEXT_DISABLED()) return;
 127     const entity attacker = M_ARGV(0, entity);
 128     const entity hit = M_ARGV(1, entity); if (hit == attacker) return;
 129     const float health = M_ARGV(2, float);
 130     const float armor = M_ARGV(3, float);
 131     const int deathtype = M_ARGV(5, int);
 132     const float potential_damage = M_ARGV(6, float);
 133     const vector location = hit.origin;
 134     FOREACH_CLIENT(IS_REAL_CLIENT(it), LAMBDA(
 135         if (
 136             (SV_DAMAGETEXT_ALL()) ||
 137             (SV_DAMAGETEXT_PLAYERS() && it == attacker) ||
 138             (SV_DAMAGETEXT_SPECTATORS_ONLY() && IS_SPEC(it) && it.enemy == attacker) ||
 139             (SV_DAMAGETEXT_SPECTATORS_ONLY() && IS_OBSERVER(it))
 140         ) {
 141             int flags = 0;
 142             if (SAME_TEAM(hit, attacker)) flags |= DTFLAG_SAMETEAM;
 143             if (health >= DAMAGETEXT_SHORT_LIMIT) flags |= DTFLAG_BIG_HEALTH;
 144             if (armor >= DAMAGETEXT_SHORT_LIMIT) flags |= DTFLAG_BIG_ARMOR;
 145             if (potential_damage >= DAMAGETEXT_SHORT_LIMIT) flags |= DTFLAG_BIG_POTENTIAL;
 146             if (!armor) flags |= DTFLAG_NO_ARMOR;
 147             if (fabs((armor + health) - potential_damage) < 0.0001) flags |= DTFLAG_NO_POTENTIAL;
 148
 149             msg_entity = it;
 150             WriteHeader(MSG_ONE, damagetext);
 151             WriteEntity(MSG_ONE, hit);
 152             WriteCoord(MSG_ONE, location.x);
 153             WriteCoord(MSG_ONE, location.y);
 154             WriteCoord(MSG_ONE, location.z);
 155             WriteInt24_t(MSG_ONE, deathtype);
 156             WriteByte(MSG_ONE, flags);
 157
 158             // we need to send a few decimal places to minimize errors when accumulating damage
 159             // sending them multiplied saves bandwidth compared to using WriteCoord,
 160             // however if the multiplied damage would be too much for (signed) short, we send an int24
 161             if (flags & DTFLAG_BIG_HEALTH) WriteInt24_t(MSG_ONE, health * DAMAGETEXT_PRECISION_MULTIPLIER);
 162             else WriteShort(MSG_ONE, health * DAMAGETEXT_PRECISION_MULTIPLIER);
 163             if (!(flags & DTFLAG_NO_ARMOR))
 164             {
 165                 if (flags & DTFLAG_BIG_ARMOR) WriteInt24_t(MSG_ONE, armor * DAMAGETEXT_PRECISION_MULTIPLIER);
 166                 else WriteShort(MSG_ONE, armor * DAMAGETEXT_PRECISION_MULTIPLIER);
 167             }
 168             if (!(flags & DTFLAG_NO_POTENTIAL))
 169             {
 170                 if (flags & DTFLAG_BIG_POTENTIAL) WriteInt24_t(MSG_ONE, potential_damage * DAMAGETEXT_PRECISION_MULTIPLIER);
 171                 else WriteShort(MSG_ONE, potential_damage * DAMAGETEXT_PRECISION_MULTIPLIER);
 172                         }
 173         }
 174     ));
 175 }
 176 #endif
 177
 178 #ifdef CSQC
 179 NET_HANDLE(damagetext, bool isNew)
 180 {
 181     int group = ReadShort();
 182     vector location = vec3(ReadCoord(), ReadCoord(), ReadCoord());
 183     int deathtype = ReadInt24_t();
 184     int flags = ReadByte();
 185     bool friendlyfire = flags & DTFLAG_SAMETEAM;
 186
 187     int health, armor, potential_damage;
 188     if (flags & DTFLAG_BIG_HEALTH) health = ReadInt24_t();
 189     else health = ReadShort();
 190     if (flags & DTFLAG_NO_ARMOR) armor = 0;
 191     else if (flags & DTFLAG_BIG_ARMOR) armor = ReadInt24_t();
 192     else armor = ReadShort();
 193     if (flags & DTFLAG_NO_POTENTIAL) potential_damage = health + armor;
 194     else if (flags & DTFLAG_BIG_POTENTIAL) potential_damage = ReadInt24_t();
 195     else potential_damage = ReadShort();
 196
 197     return = true;
 198     if (autocvar_cl_damagetext) {
 199         if (friendlyfire && !autocvar_cl_damagetext_friendlyfire) {
 200             return;
 201         }
 202         if (autocvar_cl_damagetext_accumulate_range) {
 203             for (entity e = findradius(location, autocvar_cl_damagetext_accumulate_range); e; e = e.chain) {
 204                 if (e.instanceOfDamageText && e.m_group == group && e.alpha > autocvar_cl_damagetext_accumulate_alpha_rel * autocvar_cl_damagetext_alpha_start) {
 205                     DamageText_update(e, location, e.m_damage + health, e.m_armordamage + armor, e.m_potential_damage + potential_damage, deathtype);
 206                     return;
 207                 }
 208             }
 209         }
 210         make_impure(NEW(DamageText, group, location, health, armor, potential_damage, deathtype, friendlyfire));
 211     }
 212 }
 213 #endif
 214
 215 #ifdef MENUQC
 216
 217 #include <menu/gamesettings.qh>
 218
 219 CLASS(XonoticDamageTextSettings, XonoticTab)
 220     REGISTER_SETTINGS(damagetext, NEW(XonoticDamageTextSettings));
 221     ATTRIB(XonoticDamageTextSettings, title, string, _("Damage text"));
 222     ATTRIB(XonoticDamageTextSettings, intendedWidth, float, 0.9);
 223     ATTRIB(XonoticDamageTextSettings, rows, float, 15.5);
 224     ATTRIB(XonoticDamageTextSettings, columns, float, 5);
 225     INIT(XonoticDamageTextSettings) { this.configureDialog(this); }
 226     METHOD(XonoticDamageTextSettings, showNotify, void(entity this)) { loadAllCvars(this); }
 227     METHOD(XonoticDamageTextSettings, fill, void(entity this))
 228     {
 229         entity e;
 230         this.gotoRC(this, 0, 1); this.setFirstColumn(this, this.currentColumn);
 231             this.TD(this, 1, 3, makeXonoticCheckBox(0, "cl_damagetext", _("Draw damage numbers")));
 232         this.TR(this);
 233             this.TD(this, 1, 1, e = makeXonoticTextLabel(0, _("Font size:")));
 234                 setDependent(e, "cl_damagetext", 1, 1);
 235             this.TD(this, 1, 2, e = makeXonoticSlider(0, 50, 1, "cl_damagetext_size"));
 236                 setDependent(e, "cl_damagetext", 1, 1);
 237         this.TR(this);
 238             this.TD(this, 1, 1, e = makeXonoticTextLabel(0, _("Accumulate range:")));
 239                 setDependent(e, "cl_damagetext", 1, 1);
 240             this.TD(this, 1, 2, e = makeXonoticSlider(0, 500, 1, "cl_damagetext_accumulate_range"));
 241                 setDependent(e, "cl_damagetext", 1, 1);
 242         this.TR(this);
 243             this.TD(this, 1, 1, e = makeXonoticTextLabel(0, _("Lifetime:")));
 244                 setDependent(e, "cl_damagetext", 1, 1);
 245             this.TD(this, 1, 2, e = makeXonoticSlider(0, 10, 1, "cl_damagetext_alpha_lifetime"));
 246                 setDependent(e, "cl_damagetext", 1, 1);
 247         this.TR(this);
 248             this.TD(this, 1, 1, e = makeXonoticTextLabel(0, _("Color:")));
 249                 setDependent(e, "cl_damagetext", 1, 1);
 250             this.TD(this, 2, 2, e = makeXonoticColorpickerString("cl_damagetext_color", "cl_damagetext_color"));
 251                 setDependent(e, "cl_damagetext", 1, 1);
 252         this.TR(this);
 253         this.TR(this);
 254         // friendly fire
 255             this.TD(this, 1, 3, e = makeXonoticCheckBox(0, "cl_damagetext_friendlyfire", _("Draw damage numbers for friendly fire")));
 256                 setDependent(e, "cl_damagetext", 1, 1);
 257         this.TR(this);
 258             this.TD(this, 1, 1, e = makeXonoticTextLabel(0, _("Color:")));
 259                 setDependentAND(e, "cl_damagetext", 1, 1, "cl_damagetext_friendlyfire", 1, 1);
 260             this.TD(this, 2, 2, e = makeXonoticColorpickerString("cl_damagetext_friendlyfire_color", "cl_damagetext_friendlyfire_color"));
 261                 setDependentAND(e, "cl_damagetext", 1, 1, "cl_damagetext_friendlyfire", 1, 1);
 262         this.TR(this);
 263     }
 264 ENDCLASS(XonoticDamageTextSettings)
 265 #endif