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 REGISTER_MUTATOR(damagetext, true);
   7
   8 #if defined(CSQC) || defined(MENUQC)
   9 // no translatable cvar description please
  10 AUTOCVAR_SAVE(cl_damagetext,                        bool,   true,       "Draw damage dealt where you hit the enemy");
  11 AUTOCVAR_SAVE(cl_damagetext_format,             string, "-{total}", "How to format the damage text. {health}, {armor}, {total}, {potential}, {real_damage}");
  12 STATIC_INIT(DamageText_LegacyFormat) {
  13     if (strstrofs(autocvar_cl_damagetext_format, "{", 0) < 0) autocvar_cl_damagetext_format = "-{total}";
  14 }
  15 AUTOCVAR_SAVE(cl_damagetext_color,                  vector, '1 1 0',    "Damage text color");
  16 AUTOCVAR_SAVE(cl_damagetext_color_per_weapon,       bool,   false,      "Damage text uses weapon color");
  17 AUTOCVAR_SAVE(cl_damagetext_size,                   float,  8,          "Damage text font size");
  18 AUTOCVAR_SAVE(cl_damagetext_alpha_start,            float,  1,          "Damage text initial alpha");
  19 AUTOCVAR_SAVE(cl_damagetext_alpha_lifetime,         float,  3,          "Damage text lifetime in seconds");
  20 AUTOCVAR_SAVE(cl_damagetext_velocity,               vector, '0 0 20',   "Damage text move direction");
  21 AUTOCVAR_SAVE(cl_damagetext_offset,                 vector, '0 -40 0',  "Damage text offset");
  22 AUTOCVAR_SAVE(cl_damagetext_accumulate_range,       float,  30,         "Damage text spawned within this range is accumulated");
  23 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");
  24 AUTOCVAR_SAVE(cl_damagetext_friendlyfire,           bool,   true,       "Show damage text for friendlyfire too");
  25 AUTOCVAR_SAVE(cl_damagetext_friendlyfire_color,     vector, '1 0 0',    "Damage text color for friendlyfire");
  26 #endif
  27
  28 #ifdef CSQC
  29 CLASS(DamageText, Object)
  30     ATTRIB(DamageText, m_color, vector, autocvar_cl_damagetext_color);
  31     ATTRIB(DamageText, m_color_friendlyfire, vector, autocvar_cl_damagetext_friendlyfire_color);
  32     ATTRIB(DamageText, m_size, float, autocvar_cl_damagetext_size);
  33     ATTRIB(DamageText, alpha, float, autocvar_cl_damagetext_alpha_start);
  34     ATTRIB(DamageText, fade_rate, float, 1 / autocvar_cl_damagetext_alpha_lifetime);
  35     ATTRIB(DamageText, velocity, vector, autocvar_cl_damagetext_velocity);
  36     ATTRIB(DamageText, m_group, int, 0);
  37     ATTRIB(DamageText, m_friendlyfire, bool, false);
  38     ATTRIB(DamageText, m_damage, int, 0);
  39     ATTRIB(DamageText, m_armordamage, int, 0);
  40     ATTRIB(DamageText, m_potential_damage, int, 0);
  41     ATTRIB(DamageText, m_deathtype, int, 0);
  42     ATTRIB(DamageText, time_prev, float, time);
  43
  44     void DamageText_draw2d(DamageText this) {
  45         float dt = time - this.time_prev;
  46         this.time_prev = time;
  47         setorigin(this, this.origin + dt * this.velocity);
  48         this.alpha -= dt * this.fade_rate;
  49         if (this.alpha < 0) delete(this);
  50         vector pos = project_3d_to_2d(this.origin) + autocvar_cl_damagetext_offset;
  51         if (pos.z >= 0 && this.m_size > 0) {
  52             pos.z = 0;
  53             vector rgb;
  54             if (this.m_friendlyfire) {
  55                 rgb = this.m_color_friendlyfire;
  56             }
  57             else {
  58                 rgb = this.m_color;
  59             }
  60             if (autocvar_cl_damagetext_color_per_weapon) {
  61                 Weapon w = DEATH_WEAPONOF(this.m_deathtype);
  62                 if (w != WEP_Null) rgb = w.wpcolor;
  63             }
  64             string s = autocvar_cl_damagetext_format;
  65             s = strreplace("{health}", sprintf("%d", rint(this.m_damage / DAMAGETEXT_PRECISION_MULTIPLIER)), s);
  66             s = strreplace("{armor}",  sprintf("%d", rint(this.m_armordamage / DAMAGETEXT_PRECISION_MULTIPLIER)), s);
  67             s = strreplace("{total}",  sprintf("%d", rint((this.m_damage + this.m_armordamage) / DAMAGETEXT_PRECISION_MULTIPLIER)), s);
  68             s = strreplace("{potential}",  sprintf("%d", rint(this.m_potential_damage/DAMAGETEXT_PRECISION_MULTIPLIER)), s);
  69             s = strreplace("{real_damage}",  sprintf("%d", rint((this.m_potential_damage - this.m_armordamage)/DAMAGETEXT_PRECISION_MULTIPLIER)), s);
  70             drawcolorcodedstring2_builtin(pos, s, this.m_size * '1 1 0', rgb, this.alpha, DRAWFLAG_NORMAL);
  71         }
  72     }
  73     ATTRIB(DamageText, draw2d, void(DamageText), DamageText_draw2d);
  74
  75     void DamageText_update(DamageText this, vector _origin, int _health, int _armor, int _potential_damage, int _deathtype) {
  76         this.m_damage = _health;
  77         this.m_armordamage = _armor;
  78         this.m_potential_damage = _potential_damage;
  79         this.m_deathtype = _deathtype;
  80         setorigin(this, _origin);
  81         this.alpha = autocvar_cl_damagetext_alpha_start;
  82     }
  83
  84     CONSTRUCTOR(DamageText, int _group, vector _origin, int _health, int _armor, int _potential_damage, int _deathtype, bool _friendlyfire) {
  85         CONSTRUCT(DamageText);
  86         this.m_group = _group;
  87         this.m_friendlyfire = _friendlyfire;
  88         DamageText_update(this, _origin, _health, _armor, _potential_damage, _deathtype);
  89                 IL_PUSH(g_drawables_2d, this);
  90     }
  91 ENDCLASS(DamageText)
  92 #endif
  93
  94 REGISTER_NET_TEMP(damagetext)
  95
  96 #ifdef SVQC
  97 AUTOCVAR(sv_damagetext, int, 2, _("<= 0: disabled, >= 1: spectators, >= 2: players, >= 3: all players"));
  98 #define SV_DAMAGETEXT_DISABLED()        (autocvar_sv_damagetext <= 0 /* disabled */)
  99 #define SV_DAMAGETEXT_SPECTATORS_ONLY() (autocvar_sv_damagetext >= 1 /* spectators only */)
 100 #define SV_DAMAGETEXT_PLAYERS()         (autocvar_sv_damagetext >= 2 /* players */)
 101 #define SV_DAMAGETEXT_ALL()             (autocvar_sv_damagetext >= 3 /* all players */)
 102 MUTATOR_HOOKFUNCTION(damagetext, PlayerDamaged) {
 103     if (SV_DAMAGETEXT_DISABLED()) return;
 104     const entity attacker = M_ARGV(0, entity);
 105     const entity hit = M_ARGV(1, entity); if (hit == attacker) return;
 106     const float health = M_ARGV(2, float);
 107     const float armor = M_ARGV(3, float);
 108     const int deathtype = M_ARGV(5, int);
 109     const float potential_damage = M_ARGV(6, float);
 110     const vector location = hit.origin;
 111     FOREACH_CLIENT(IS_REAL_CLIENT(it), LAMBDA(
 112         if (
 113             (SV_DAMAGETEXT_ALL()) ||
 114             (SV_DAMAGETEXT_PLAYERS() && it == attacker) ||
 115             (SV_DAMAGETEXT_SPECTATORS_ONLY() && IS_SPEC(it) && it.enemy == attacker) ||
 116             (SV_DAMAGETEXT_SPECTATORS_ONLY() && IS_OBSERVER(it))
 117         ) {
 118             int flags = SAME_TEAM(hit, attacker); // BIT(0)
 119             if (health >= DAMAGETEXT_SHORT_LIMIT) flags |= BIT(1);
 120             if (armor >= DAMAGETEXT_SHORT_LIMIT) flags |= BIT(2);
 121             if (potential_damage >= DAMAGETEXT_SHORT_LIMIT) flags |= BIT(3);
 122
 123             msg_entity = it;
 124             WriteHeader(MSG_ONE, damagetext);
 125             WriteEntity(MSG_ONE, hit);
 126             WriteCoord(MSG_ONE, location.x);
 127             WriteCoord(MSG_ONE, location.y);
 128             WriteCoord(MSG_ONE, location.z);
 129             WriteInt24_t(MSG_ONE, deathtype);
 130             WriteByte(MSG_ONE, flags);
 131
 132             // we need to send a few decimal places to minimize errors when accumulating damage
 133             // sending them multiplied saves bandwidth compared to using WriteCoord,
 134             // however if the multiplied damage would be too much for (signed) short, we send an int24
 135             if (health >= DAMAGETEXT_SHORT_LIMIT) WriteInt24_t(MSG_ONE, health * DAMAGETEXT_PRECISION_MULTIPLIER);
 136             else WriteShort(MSG_ONE, health * DAMAGETEXT_PRECISION_MULTIPLIER);
 137             if (armor >= DAMAGETEXT_SHORT_LIMIT) WriteInt24_t(MSG_ONE, armor * DAMAGETEXT_PRECISION_MULTIPLIER);
 138             else WriteShort(MSG_ONE, armor * DAMAGETEXT_PRECISION_MULTIPLIER);
 139             if (potential_damage >= DAMAGETEXT_SHORT_LIMIT) WriteInt24_t(MSG_ONE, potential_damage * DAMAGETEXT_PRECISION_MULTIPLIER);
 140             else WriteShort(MSG_ONE, potential_damage * DAMAGETEXT_PRECISION_MULTIPLIER);
 141         }
 142     ));
 143 }
 144 #endif
 145
 146 #ifdef CSQC
 147 NET_HANDLE(damagetext, bool isNew)
 148 {
 149     int group = ReadShort();
 150     vector location = vec3(ReadCoord(), ReadCoord(), ReadCoord());
 151     int deathtype = ReadInt24_t();
 152     int flags = ReadByte();
 153     bool friendlyfire = flags & 1;
 154
 155     int health, armor, potential_damage;
 156     if (flags & BIT(1)) health = ReadInt24_t();
 157     else health = ReadShort();
 158     if (flags & BIT(2)) armor = ReadInt24_t();
 159     else armor = ReadShort();
 160     if (flags & BIT(3)) potential_damage = ReadInt24_t();
 161     else potential_damage = ReadShort();
 162
 163     return = true;
 164     if (autocvar_cl_damagetext) {
 165         if (friendlyfire && !autocvar_cl_damagetext_friendlyfire) {
 166             return;
 167         }
 168         if (autocvar_cl_damagetext_accumulate_range) {
 169             for (entity e = findradius(location, autocvar_cl_damagetext_accumulate_range); e; e = e.chain) {
 170                 if (e.instanceOfDamageText && e.m_group == group && e.alpha > autocvar_cl_damagetext_accumulate_alpha_rel * autocvar_cl_damagetext_alpha_start) {
 171                     DamageText_update(e, location, e.m_damage + health, e.m_armordamage + armor, e.m_potential_damage + potential_damage, deathtype);
 172                     return;
 173                 }
 174             }
 175         }
 176         make_impure(NEW(DamageText, group, location, health, armor, potential_damage, deathtype, friendlyfire));
 177     }
 178 }
 179 #endif
 180
 181 #ifdef MENUQC
 182
 183 #include <menu/gamesettings.qh>
 184
 185 CLASS(XonoticDamageTextSettings, XonoticTab)
 186     REGISTER_SETTINGS(damagetext, NEW(XonoticDamageTextSettings));
 187     ATTRIB(XonoticDamageTextSettings, title, string, _("Damage text"));
 188     ATTRIB(XonoticDamageTextSettings, intendedWidth, float, 0.9);
 189     ATTRIB(XonoticDamageTextSettings, rows, float, 15.5);
 190     ATTRIB(XonoticDamageTextSettings, columns, float, 5);
 191     INIT(XonoticDamageTextSettings) { this.configureDialog(this); }
 192     METHOD(XonoticDamageTextSettings, showNotify, void(entity this)) { loadAllCvars(this); }
 193     METHOD(XonoticDamageTextSettings, fill, void(entity this))
 194     {
 195         entity e;
 196         this.gotoRC(this, 0, 1); this.setFirstColumn(this, this.currentColumn);
 197             this.TD(this, 1, 3, makeXonoticCheckBox(0, "cl_damagetext", _("Draw damage numbers")));
 198         this.TR(this);
 199             this.TD(this, 1, 1, e = makeXonoticTextLabel(0, _("Font size:")));
 200                 setDependent(e, "cl_damagetext", 1, 1);
 201             this.TD(this, 1, 2, e = makeXonoticSlider(0, 50, 1, "cl_damagetext_size"));
 202                 setDependent(e, "cl_damagetext", 1, 1);
 203         this.TR(this);
 204             this.TD(this, 1, 1, e = makeXonoticTextLabel(0, _("Accumulate range:")));
 205                 setDependent(e, "cl_damagetext", 1, 1);
 206             this.TD(this, 1, 2, e = makeXonoticSlider(0, 500, 1, "cl_damagetext_accumulate_range"));
 207                 setDependent(e, "cl_damagetext", 1, 1);
 208         this.TR(this);
 209             this.TD(this, 1, 1, e = makeXonoticTextLabel(0, _("Lifetime:")));
 210                 setDependent(e, "cl_damagetext", 1, 1);
 211             this.TD(this, 1, 2, e = makeXonoticSlider(0, 10, 1, "cl_damagetext_alpha_lifetime"));
 212                 setDependent(e, "cl_damagetext", 1, 1);
 213         this.TR(this);
 214             this.TD(this, 1, 1, e = makeXonoticTextLabel(0, _("Color:")));
 215                 setDependent(e, "cl_damagetext", 1, 1);
 216             this.TD(this, 2, 2, e = makeXonoticColorpickerString("cl_damagetext_color", "cl_damagetext_color"));
 217                 setDependent(e, "cl_damagetext", 1, 1);
 218         this.TR(this);
 219         this.TR(this);
 220         // friendly fire
 221             this.TD(this, 1, 3, e = makeXonoticCheckBox(0, "cl_damagetext_friendlyfire", _("Draw damage numbers for friendly fire")));
 222                 setDependent(e, "cl_damagetext", 1, 1);
 223         this.TR(this);
 224             this.TD(this, 1, 1, e = makeXonoticTextLabel(0, _("Color:")));
 225                 setDependentAND(e, "cl_damagetext", 1, 1, "cl_damagetext_friendlyfire", 1, 1);
 226             this.TD(this, 2, 2, e = makeXonoticColorpickerString("cl_damagetext_friendlyfire_color", "cl_damagetext_friendlyfire_color"));
 227                 setDependentAND(e, "cl_damagetext", 1, 1, "cl_damagetext_friendlyfire", 1, 1);
 228         this.TR(this);
 229     }
 230 ENDCLASS(XonoticDamageTextSettings)
 231 #endif