Fixed JSON parsing throwing errors

src/dawn/rpg/entity/CMakeLists.txt

@@ -13,4 +13,5 @@ target_sources(${DAWN_TARGET_NAME}
     player.c
     sign.c
     interact.c
+    npc.c
 )

src/dawn/rpg/entity/entity.c

@@ -29,6 +29,14 @@ void entityInit(
       assertUnreachable("Should not be initializing a NULL entity.");
       break;
 
+    case ENTITY_TYPE_NPC:
+      npcInit(&entity->npc);
+      break;
+
+    case ENTITY_TYPE_SIGN:
+      signInit(&entity->sign);
+      break;
+
     case ENTITY_TYPE_PLAYER:
       playerInit(entity);
       break;

src/dawn/rpg/entity/entity.h

@@ -9,6 +9,7 @@
 #include "player.h"
 #include "sign.h"
 #include "entitydirection.h"
+#include "npc.h"
 
 typedef struct _map_t map_t;
 
@@ -46,6 +47,7 @@ typedef struct _entity_t {
   // Type data
   union {
     player_t player;
+    npc_t npc;
     sign_t sign;
   };
 } entity_t;

src/dawn/rpg/entity/interact.c

@@ -16,10 +16,20 @@ void entityInteractEntity(
   assertNotNull(target, "entityInteractEntity: Target is NULL!");
 
   switch(target->type) {
+    case ENTITY_TYPE_NPC:
+      source->state = ENTITY_STATE_TALKING;
+      target->state = ENTITY_STATE_TALKING;
+      target->direction = entityDirectionLookAt(
+        target->x, target->y,
+        source->x, source->y
+      );
+      textboxSetText(target->npc.name, target->npc.text);
+      return;
+
     case ENTITY_TYPE_SIGN:
       source->state = ENTITY_STATE_TALKING;
       target->state = ENTITY_STATE_TALKING;
-      textboxSetText(NULL, target->sign.text);
+      textboxSetText("Sign", target->sign.text);
       return;
 
     default:

src/dawn/rpg/entity/npc.c

@@ -0,0 +1,27 @@
+/**
+ * Copyright (c) 2024 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "npc.h"
+#include "assert/assert.h"
+
+void npcInit(npc_t *npc) {
+  assertNotNull(npc, "npcInit: NPC is NULL!");
+  npc->name[0] = '\0';
+  npc->text[0] = '\0';
+}
+
+void npcNameSet(npc_t *npc, const char_t *name) {
+  assertNotNull(npc, "npcNameSet: NPC is NULL!");
+  assertNotNull(name, "npcNameSet: Name is NULL!");
+  strncpy(npc->name, name, TEXTBOX_TITLE_MAX);
+}
+
+void npcTextSet(npc_t *npc, const char_t *text) {
+  assertNotNull(npc, "npcTextSet: NPC is NULL!");
+  assertNotNull(text, "npcTextSet: Text is NULL!");
+  strncpy(npc->text, text, TEXTBOX_TEXT_MAX);
+}

src/dawn/rpg/entity/npc.h

@@ -0,0 +1,37 @@
+/**
+ * Copyright (c) 2024 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "ui/textbox.h"
+
+typedef struct {
+  char_t name[TEXTBOX_TITLE_MAX+1];
+  char_t text[TEXTBOX_TEXT_MAX+1];
+} npc_t;
+
+/**
+ * Initializes an NPC.
+ * 
+ * @param npc NPC to initialize.
+ */
+void npcInit(npc_t *npc);
+
+/**
+ * Sets the name of an NPC.
+ * 
+ * @param npc NPC to set name for.
+ * @param name Name to set.
+ */
+void npcNameSet(npc_t *npc, const char_t *name);
+
+/**
+ * Sets the text of an NPC.
+ * 
+ * @param npc NPC to set text for.
+ * @param text Text to set.
+ */
+void npcTextSet(npc_t *npc, const char_t *text);

src/dawn/rpg/entity/sign.c

@@ -8,6 +8,11 @@
 #include "sign.h"
 #include "assert/assert.h"
 
+void signInit(sign_t *sign) {
+  assertNotNull(sign, "signInit: Sign is NULL!");
+  sign->text[0] = '\0';
+}
+
 void signTextSet(sign_t *sign, const char_t *text) {
   assertNotNull(sign, "signTextSet: Sign is NULL!");
   assertNotNull(text, "signTextSet: Text is NULL!");

src/dawn/rpg/entity/sign.h

@@ -12,6 +12,13 @@ typedef struct {
   char_t text[TEXTBOX_TEXT_MAX + 1];
 } sign_t;
 
+/**
+ * Initializes a sign.
+ * 
+ * @param sign Sign to initialize.
+ */
+void signInit(sign_t *sign);
+
 /**
  * Sets the text of a sign.
  *