From 4c4ffc1b84ada5dc47f9d36e9154564b68ff7fed Mon Sep 17 00:00:00 2001
From: "Juan J. Martinez" <jjm@usebox.net>
Date: Tue, 11 Jul 2023 23:11:21 +0100
Subject: Add gol/silver keys and door logic

---
 src/pickup.c | 51 +++++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 45 insertions(+), 6 deletions(-)

(limited to 'src/pickup.c')

diff --git a/src/pickup.c b/src/pickup.c
index afc5ef2..fe7d15e 100644
--- a/src/pickup.c
+++ b/src/pickup.c
@@ -4,6 +4,7 @@
 #include "vga.h"
 #include "sound.h"
 #include "entities.h"
+#include "map.h"
 #include "game.h"
 
 #include "player.h"
@@ -21,8 +22,8 @@ typedef enum
     PICKUP_TIME = 0,
     PICKUP_BONUS,
     PICKUP_PICKAXE,
-    PICKUP_GOLD_KEY,
-    PICKUP_SILVER_KEY,
+    PICKUP_GOLDKEY,
+    PICKUP_SILVERKEY,
 } PickupType;
 
 static const Rect frames_in[2 * 4] =
@@ -48,10 +49,10 @@ static const Rect frames[2 * 4] =
     { 64, 16, 144, 144 },
 
     /* gold key */
-    { 0, 0, 144, 144 },
+    { 32, 16, 144, 144 },
 
     /* siver key */
-    { 0, 0, 144, 144 },
+    { 48, 16, 144, 144 },
 
     /* not used */
     { 0, 0, 144, 144 },
@@ -134,6 +135,24 @@ void pickup_pickaxe_init(Entity *e)
     e->update = pickup_wait_update;
 }
 
+void pickup_goldkey_init(Entity *e)
+{
+    e->used = USED_BG;
+    e->frames = (const Rect *)frames_in;
+    e->flags = PICKUP_GOLDKEY;
+    e->counter = 2 + (rand() % MAX_TTL);
+    e->update = pickup_wait_update;
+}
+
+void pickup_silverkey_init(Entity *e)
+{
+    e->used = USED_BG;
+    e->frames = (const Rect *)frames_in;
+    e->flags = PICKUP_SILVERKEY;
+    e->counter = 2 + (rand() % MAX_TTL);
+    e->update = pickup_wait_update;
+}
+
 void pickup_wait_update(Entity *e)
 {
     if (e->counter-- == 0)
@@ -165,6 +184,14 @@ void pickup_in_update(Entity *e)
                     e->frames = (const Rect *)frames;
                     e->frame = 1;
                     break;
+                case PICKUP_GOLDKEY:
+                    e->frames = (const Rect *)frames;
+                    e->frame = 2;
+                    break;
+                case PICKUP_SILVERKEY:
+                    e->frames = (const Rect *)frames;
+                    e->frame = 3;
+                    break;
             }
             e->counter = 0;
             e->update = pickup_update;
@@ -174,7 +201,9 @@ void pickup_in_update(Entity *e)
 
 void pickup_update(Entity *e)
 {
-    if (e->counter++ == MAX_TTL)
+    /* the keys NEVER disappear */
+    if (e->flags != PICKUP_GOLDKEY && e->flags != PICKUP_SILVERKEY
+            && e->counter++ == MAX_TTL)
     {
         effect_out_init(e);
         sound_play_efx(EFX_WARP);
@@ -202,15 +231,25 @@ void pickup_update(Entity *e)
         {
             case PICKUP_TIME:
                 reset_time();
+                sound_play_efx(EFX_PICKUP);
                 break;
             case PICKUP_BONUS:
                 add_score(250);
+                sound_play_efx(EFX_PICKUP);
                 break;
             case PICKUP_PICKAXE:
                 add_pickaxe();
+                sound_play_efx(EFX_PICKUP);
+                break;
+            case PICKUP_GOLDKEY:
+                map_open_goldkey();
+                sound_play_efx(EFX_WARP);
+                break;
+            case PICKUP_SILVERKEY:
+                map_open_silverkey();
+                sound_play_efx(EFX_WARP);
                 break;
         }
         e->used = USED_FREE;
-        sound_play_efx(EFX_PICKUP);
     }
 }
-- 
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