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

   1 #include "cl_damagetext.qh"
   2
   3 // no translatable cvar description please
   4 AUTOCVAR_SAVE(cl_damagetext,                        bool,   true,       "Draw damage dealt where you hit the enemy");
   5 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");
   6 AUTOCVAR_SAVE(cl_damagetext_format_verbose,         bool,   false,      "{health} shows {potential_health} too when they differ; {total} shows {potential} too when they differ");
   7 AUTOCVAR_SAVE(cl_damagetext_format_hide_redundant,  bool,   false,      "hide {armor} if 0; hide {potential} and {potential_health} when same as actual");
   8 STATIC_INIT(DamageText_LegacyFormat) {
   9     // damagetext used to be off by default and the cvar got saved in people's configs along with the old format
  10     // enable damagetext while updating the format for a one time effect
  11     if (strstrofs(autocvar_cl_damagetext_format, "{", 0) < 0) {
  12         localcmd("\nseta cl_damagetext 1\n");
  13         localcmd("\nseta cl_damagetext_format -{total}\n");
  14     };
  15 }
  16 AUTOCVAR_SAVE(cl_damagetext_color,                  vector, '1 1 0',    "Damage text color");
  17 AUTOCVAR_SAVE(cl_damagetext_color_per_weapon,       bool,   false,      "Damage text uses weapon color");
  18 AUTOCVAR_SAVE(cl_damagetext_size_min,               float,  10,          "Damage text font size for small damage");
  19 AUTOCVAR_SAVE(cl_damagetext_size_min_damage,        float,  25,          "How much damage is considered small");
  20 AUTOCVAR_SAVE(cl_damagetext_size_max,               float,  16,         "Damage text font size for large damage");
  21 AUTOCVAR_SAVE(cl_damagetext_size_max_damage,        float,  140,        "How much damage is considered large");
  22 AUTOCVAR_SAVE(cl_damagetext_alpha_start,            float,  1,          "Damage text initial alpha");
  23 AUTOCVAR_SAVE(cl_damagetext_alpha_lifetime,         float,  3,          "Damage text lifetime in seconds");
  24 AUTOCVAR_SAVE(cl_damagetext_velocity,               vector, '0 0 20',   "Damage text move direction");
  25 AUTOCVAR_SAVE(cl_damagetext_offset,                 vector, '0 -40 0',  "Damage text offset");
  26 AUTOCVAR_SAVE(cl_damagetext_accumulate_range,       float,  30,         "Damage text spawned within this range is accumulated");
  27 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");
  28 AUTOCVAR_SAVE(cl_damagetext_friendlyfire,           bool,   true,       "Show damage text for friendlyfire too");
  29 AUTOCVAR_SAVE(cl_damagetext_friendlyfire_color,     vector, '1 0 0',    "Damage text color for friendlyfire");
  30
  31 CLASS(DamageText, Object)
  32     ATTRIB(DamageText, m_color, vector, autocvar_cl_damagetext_color);
  33     ATTRIB(DamageText, m_color_friendlyfire, vector, autocvar_cl_damagetext_friendlyfire_color);
  34     ATTRIB(DamageText, m_size, float, autocvar_cl_damagetext_size_min);
  35     ATTRIB(DamageText, alpha, float, autocvar_cl_damagetext_alpha_start);
  36     ATTRIB(DamageText, fade_rate, float, 1 / autocvar_cl_damagetext_alpha_lifetime);
  37     ATTRIB(DamageText, velocity, vector, autocvar_cl_damagetext_velocity);
  38     ATTRIB(DamageText, m_group, int, 0);
  39     ATTRIB(DamageText, m_friendlyfire, bool, false);
  40     ATTRIB(DamageText, m_healthdamage, int, 0);
  41     ATTRIB(DamageText, m_armordamage, int, 0);
  42     ATTRIB(DamageText, m_potential_damage, int, 0);
  43     ATTRIB(DamageText, m_deathtype, int, 0);
  44     ATTRIB(DamageText, time_prev, float, time);
  45     ATTRIB(DamageText, text, string, string_null);
  46     ATTRIB(DamageText, m_screen_coords, bool, false);
  47
  48     void DamageText_draw2d(DamageText this) {
  49         float dt = time - this.time_prev;
  50         this.time_prev = time;
  51         this.alpha -= dt * this.fade_rate;
  52         if (this.alpha < 0) {
  53             delete(this);
  54             return;
  55         }
  56         vector screen_pos;
  57         if (this.m_screen_coords) {
  58             setorigin(this, this.origin + dt * '0 -20 0'); // TODO unhardcode
  59             screen_pos = this.origin;
  60         } else {
  61             setorigin(this, this.origin + dt * this.velocity); // TODO why this.velocity instead of cvar?
  62             screen_pos = project_3d_to_2d(this.origin) + autocvar_cl_damagetext_offset;
  63         }
  64         if (screen_pos.z >= 0 && this.m_size > 0) {
  65             screen_pos.z = 0;
  66             vector rgb;
  67             if (this.m_friendlyfire) {
  68                 rgb = this.m_color_friendlyfire;
  69             } else {
  70                 rgb = this.m_color;
  71             }
  72             if (autocvar_cl_damagetext_color_per_weapon) {
  73                 Weapon w = DEATH_WEAPONOF(this.m_deathtype);
  74                 if (w != WEP_Null) rgb = w.wpcolor;
  75             }
  76
  77             vector drawfontscale_save = drawfontscale;
  78             drawfontscale = (this.m_size / autocvar_cl_damagetext_size_max) * '1 1 0';
  79             drawcolorcodedstring2_builtin(screen_pos, this.text, autocvar_cl_damagetext_size_max * '1 1 0', rgb, this.alpha, DRAWFLAG_NORMAL);
  80             drawfontscale = drawfontscale_save;
  81         }
  82     }
  83     ATTRIB(DamageText, draw2d, void(DamageText), DamageText_draw2d);
  84
  85     void DamageText_update(DamageText this, vector _origin, int _health, int _armor, int _potential_damage, int _deathtype) {
  86         this.m_healthdamage = _health;
  87         this.m_armordamage = _armor;
  88         this.m_potential_damage = _potential_damage;
  89         this.m_deathtype = _deathtype;
  90         setorigin(this, _origin);
  91         this.alpha = autocvar_cl_damagetext_alpha_start;
  92
  93         int health = rint(this.m_healthdamage / DAMAGETEXT_PRECISION_MULTIPLIER);
  94         int armor = rint(this.m_armordamage / DAMAGETEXT_PRECISION_MULTIPLIER);
  95         int total = rint((this.m_healthdamage + this.m_armordamage) / DAMAGETEXT_PRECISION_MULTIPLIER);
  96         int potential = rint(this.m_potential_damage / DAMAGETEXT_PRECISION_MULTIPLIER);
  97         int potential_health = rint((this.m_potential_damage - this.m_armordamage) / DAMAGETEXT_PRECISION_MULTIPLIER);
  98
  99         bool redundant = almost_equals_eps(this.m_healthdamage + this.m_armordamage, this.m_potential_damage, 5);
 100
 101         string s = autocvar_cl_damagetext_format;
 102         s = strreplace("{armor}", (
 103             (this.m_armordamage == 0 && autocvar_cl_damagetext_format_hide_redundant)
 104                 ? ""
 105                 : sprintf("%d", armor)
 106             ), s);
 107         s = strreplace("{potential}", (
 108             (redundant && autocvar_cl_damagetext_format_hide_redundant)
 109                 ? ""
 110                 : sprintf("%d", potential)
 111             ), s);
 112         s = strreplace("{potential_health}", (
 113             (redundant && autocvar_cl_damagetext_format_hide_redundant)
 114                 ? ""
 115                 : sprintf("%d", potential_health)
 116             ), s);
 117
 118         s = strreplace("{health}", (
 119             (health == potential_health || !autocvar_cl_damagetext_format_verbose)
 120                 ? sprintf("%d",      health)
 121                 : sprintf("%d (%d)", health, potential_health)
 122             ), s);
 123         s = strreplace("{total}", (
 124             (total == potential || !autocvar_cl_damagetext_format_verbose)
 125                 ? sprintf("%d",      total)
 126                 : sprintf("%d (%d)", total, potential)
 127             ), s);
 128
 129         // futureproofing: remove any remaining (unknown) format strings in case we add new ones in the future
 130         // so players can use them on new servers and still have working damagetext on old ones
 131         while (true) {
 132             int opening_pos = strstrofs(s, "{", 0);
 133             if (opening_pos == -1) break;
 134             int closing_pos = strstrofs(s, "}", opening_pos);
 135             if (closing_pos == -1 || closing_pos <= opening_pos) break;
 136             s = strcat(
 137                 substring(s, 0, opening_pos),
 138                 substring_range(s, closing_pos + 1, strlen(s))
 139             );
 140         }
 141
 142         if (this.text) strunzone(this.text);
 143         this.text = strzone(s);
 144
 145         float size_range = autocvar_cl_damagetext_size_max - autocvar_cl_damagetext_size_min;
 146         float damage_range = autocvar_cl_damagetext_size_max_damage - autocvar_cl_damagetext_size_min_damage;
 147         float scale_factor = size_range / damage_range;
 148         this.m_size = bound(
 149             autocvar_cl_damagetext_size_min,
 150             (potential - autocvar_cl_damagetext_size_min_damage) * scale_factor + autocvar_cl_damagetext_size_min,
 151             autocvar_cl_damagetext_size_max);
 152     }
 153
 154     CONSTRUCTOR(DamageText, int _group, vector _origin, bool _screen_coords, int _health, int _armor, int _potential_damage, int _deathtype, bool _friendlyfire) {
 155         CONSTRUCT(DamageText);
 156         this.m_group = _group;
 157         this.m_friendlyfire = _friendlyfire;
 158         this.m_screen_coords = _screen_coords;
 159         DamageText_update(this, _origin, _health, _armor, _potential_damage, _deathtype);
 160         IL_PUSH(g_drawables_2d, this);
 161     }
 162
 163     DESTRUCTOR(DamageText) {
 164         if (this.text) strunzone(this.text);
 165     }
 166 ENDCLASS(DamageText)
 167
 168 NET_HANDLE(damagetext, bool isNew)
 169 {
 170     int server_entity_index = ReadShort();
 171     int deathtype = ReadInt24_t();
 172     int flags = ReadByte();
 173     bool friendlyfire = flags & DTFLAG_SAMETEAM;
 174
 175     int health, armor, potential_damage;
 176     if (flags & DTFLAG_BIG_HEALTH) health = ReadInt24_t();
 177     else health = ReadShort();
 178     if (flags & DTFLAG_NO_ARMOR) armor = 0;
 179     else if (flags & DTFLAG_BIG_ARMOR) armor = ReadInt24_t();
 180     else armor = ReadShort();
 181     if (flags & DTFLAG_NO_POTENTIAL) potential_damage = health + armor;
 182     else if (flags & DTFLAG_BIG_POTENTIAL) potential_damage = ReadInt24_t();
 183     else potential_damage = ReadShort();
 184
 185     return = true;
 186     if (!autocvar_cl_damagetext) return;
 187     if (friendlyfire && !autocvar_cl_damagetext_friendlyfire) return;
 188
 189     int client_entity_index = server_entity_index - 1;
 190     entity entcs = entcs_receiver(client_entity_index);
 191     if (!entcs || !entcs.has_origin) {
 192         vector screen_pos = '0 0 0';
 193         screen_pos.x = vid_conwidth * 0.45; // TODO unhardcode
 194         screen_pos.y = vid_conheight * 0.45;
 195         // TODO accumulation
 196         // TODO when hitting multiple enemies dmgtext would overlap
 197         make_impure(NEW(DamageText, server_entity_index, screen_pos, true, health, armor, potential_damage, deathtype, friendlyfire));
 198     } else {
 199         if (autocvar_cl_damagetext_accumulate_range) {
 200             for (entity e = findradius(entcs.origin, autocvar_cl_damagetext_accumulate_range); e; e = e.chain) {
 201                 if (e.instanceOfDamageText
 202                     && !e.m_screen_coords // we're using origin for both world coords and screen coords so avoid mismatches
 203                     && e.m_group == server_entity_index
 204                     && e.alpha > autocvar_cl_damagetext_accumulate_alpha_rel * autocvar_cl_damagetext_alpha_start) {
 205                     DamageText_update(e, entcs.origin, e.m_healthdamage + health, e.m_armordamage + armor, e.m_potential_damage + potential_damage, deathtype);
 206                     return;
 207                 }
 208             }
 209         }
 210         make_impure(NEW(DamageText, server_entity_index, entcs.origin, false, health, armor, potential_damage, deathtype, friendlyfire));
 211     }
 212 }