plugins/sword/sword.c

   1 #include <stdlib.h>
   2 #include <stddef.h>
   3 #include "../game/game.h"
   4 #include "../movement/movement.h"
   5 #include "../inventory/inventory.h"
   6 #include "../recharge/recharge.h"
   7
   8 static bool use_broken_sword(struct itemstack *stack)
   9 {
  10         return true;
  11 }
  12
  13 static struct item broken_sword = {
  14         .name = "Broken Sword",
  15         .stackable = false,
  16
  17         .on_use = &use_broken_sword,
  18         .on_destroy = NULL,
  19         .on_create = NULL,
  20 };
  21
  22 static bool use_sword(struct itemstack *stack)
  23 {
  24         if (! is_charged())
  25                 return false;
  26
  27         int x, y;
  28         x = player.x;
  29         y = player.y;
  30
  31         dir_to_xy(last_player_move, &x, &y);
  32
  33         struct entity *entity = entity_collision_map[x][y];
  34
  35         if (entity) {
  36                 add_health(entity, -1);
  37
  38                 if (rand() % 100 == 0)
  39                         stack->item = &broken_sword;
  40
  41                 recharge(1.0, "⚔ ");
  42         }
  43
  44         return false;
  45 }
  46
  47 static struct item sword = {
  48         .name = "Sword",
  49         .stackable = false,
  50
  51         .on_use = &use_sword,
  52         .on_destroy = NULL,
  53         .on_create = NULL,
  54 };
  55
  56 static void handle_e()
  57 {
  58         struct itemstack *stack = inventory_find(&player_inventory, &sword);
  59
  60         if (stack)
  61                 use_sword(stack);
  62 }
  63
  64 __attribute__((constructor)) static void init()
  65 {
  66         inventory_add(&player_inventory, (struct itemstack) {
  67                 .item = &sword,
  68                 .count = 1,
  69                 .meta = NULL,
  70         });
  71
  72         register_input_handler('e', (struct input_handler) {
  73                 .run_if_dead = false,
  74                 .callback = &handle_e,
  75         });
  76 }