qcsrc/server/items.qc

   1 #include "items.qh"
   2
   3 /// \file
   4 /// \brief Source file that contains implementation of the functions related to
   5 /// game items.
   6 /// \copyright GNU GPLv2 or any later version.
   7
   8 #include "mutators/events.qh"
   9 #include <common/weapons/all.qh>
  10
  11 .bool m_isloot; ///< Holds whether item is loot.
  12 /// \brief Holds whether strength, shield or superweapon timers expire while
  13 /// this item is on the ground.
  14 .bool m_isexpiring;
  15
  16 entity Item_FindDefinition(string class_name)
  17 {
  18         FOREACH(Items, it.m_canonical_spawnfunc == class_name,
  19         {
  20                 return it;
  21         });
  22         FOREACH(Weapons, it.m_canonical_spawnfunc == class_name,
  23         {
  24                 return it.m_pickup;
  25         });
  26         return NULL;
  27 }
  28
  29 bool Item_IsAllowed(string class_name)
  30 {
  31         entity definition = Item_FindDefinition(class_name);
  32         if (definition == NULL)
  33         {
  34                 return false;
  35         }
  36         return Item_IsDefinitionAllowed(definition);
  37 }
  38
  39 bool Item_IsDefinitionAllowed(entity definition)
  40 {
  41         return !MUTATOR_CALLHOOK(FilterItemDefinition, definition);
  42 }
  43
  44 entity Item_Create(string class_name, vector position, bool no_align)
  45 {
  46         entity item = spawn();
  47         item.classname = class_name;
  48         item.spawnfunc_checked = true;
  49         setorigin(item, position);
  50         item.noalign = no_align;
  51         Item_Initialize(item, class_name);
  52         if (wasfreed(item))
  53         {
  54                 return NULL;
  55         }
  56         return item;
  57 }
  58
  59 void Item_Initialize(entity item, string class_name)
  60 {
  61         FOREACH(Weapons, it.m_canonical_spawnfunc == class_name,
  62         {
  63                 weapon_defaultspawnfunc(item, it);
  64                 return;
  65         });
  66         FOREACH(Items, it.m_canonical_spawnfunc == class_name,
  67         {
  68                 StartItem(item, it);
  69                 return;
  70         });
  71         LOG_FATALF("Item_Initialize: Invalid classname: %s", class_name);
  72 }
  73
  74 entity Item_CreateLoot(string class_name, vector position, vector vel,
  75         float time_to_live)
  76 {
  77         entity item = spawn();
  78         if (!Item_InitializeLoot(item, class_name, position, vel, time_to_live))
  79         {
  80                 return NULL;
  81         }
  82         return item;
  83 }
  84
  85 bool Item_InitializeLoot(entity item, string class_name, vector position,
  86         vector vel, float time_to_live)
  87 {
  88         item.classname = class_name;
  89         Item_SetLoot(item, true);
  90         item.noalign = true;
  91         setorigin(item, position);
  92         item.pickup_anyway = true;
  93         item.spawnfunc_checked = true;
  94         Item_Initialize(item, class_name);
  95         if (wasfreed(item))
  96         {
  97                 return false;
  98         }
  99         item.gravity = 1;
 100         item.velocity = vel;
 101         SUB_SetFade(item, time + time_to_live, 1);
 102         return true;
 103 }
 104
 105 bool Item_IsLoot(entity item)
 106 {
 107         return item.m_isloot;
 108 }
 109
 110 void Item_SetLoot(entity item, bool loot)
 111 {
 112         item.m_isloot = loot;
 113 }
 114
 115 bool Item_ShouldKeepPosition(entity item)
 116 {
 117         return item.noalign || (item.spawnflags & 1);
 118 }
 119
 120 bool Item_IsExpiring(entity item)
 121 {
 122         return item.m_isexpiring;
 123 }
 124
 125 void Item_SetExpiring(entity item, bool expiring)
 126 {
 127         item.m_isexpiring = expiring;
 128 }
 129
 130 // Compatibility spawn functions
 131
 132 // FIXME: in Quake this is green armor, in Xonotic maps it is an armor shard
 133 SPAWNFUNC_ITEM(item_armor1, ITEM_ArmorSmall)
 134
 135 SPAWNFUNC_ITEM(item_armor25, ITEM_ArmorMega)
 136
 137 SPAWNFUNC_ITEM(item_armor_large, ITEM_ArmorMega)
 138
 139 SPAWNFUNC_ITEM(item_health1, ITEM_HealthSmall)
 140
 141 SPAWNFUNC_ITEM(item_health25, ITEM_HealthMedium)
 142
 143 SPAWNFUNC_ITEM(item_health_large, ITEM_HealthBig)
 144
 145 SPAWNFUNC_ITEM(item_health100, ITEM_HealthMega)
 146
 147 SPAWNFUNC_ITEM(item_quad, ITEM_Strength)