Area cutscene controls

src/dusk/rpg/cutscene/cutscene.h

@@ -150,3 +150,49 @@ typedef struct cutscene_s {
       ) \
     } \
   }
+
+#define CUTSCENE_MAP_AREA_ADD( \
+  MIN_X, MIN_Y, MIN_Z, MAX_X, MAX_Y, MAX_Z, CALLBACK, NOTIFY, TRIGGER \
+) \
+  { \
+    .type = CUTSCENE_ITEM_TYPE_MAP_AREA_ADD, \
+    .mapAreaAdd = { \
+      .min = { MIN_X, MIN_Y, MIN_Z }, \
+      .max = { MAX_X, MAX_Y, MAX_Z }, \
+      .callback = CALLBACK, \
+      .notify = NOTIFY, \
+      .trigger = TRIGGER \
+    } \
+  }
+
+#define CUTSCENE_MAP_AREA_REMOVE(AREA_ID) \
+  { \
+    .type = CUTSCENE_ITEM_TYPE_MAP_AREA_REMOVE, \
+    .mapAreaRemove = { .areaId = AREA_ID } \
+  }
+
+// Waits until any one of the given map area IDs has its callback invoked.
+// Accepts CUTSCENE_AREA_LAST_CREATED in place of a literal area ID.
+#define CUTSCENE_MAP_AREA_WAIT(...) \
+  { \
+    .type = CUTSCENE_ITEM_TYPE_MAP_AREA_WAIT, \
+    .mapAreaWait = { \
+      .areaIds = (const uint8_t[]){ __VA_ARGS__ }, \
+      .count = (uint8_t)( \
+        sizeof((const uint8_t[]){ __VA_ARGS__ }) / sizeof(uint8_t) \
+      ) \
+    } \
+  }
+
+// Adds a map area, waits for it to be triggered once, then removes it
+// before the cutscene continues. Uses a no-op callback since the wait is
+// driven by the area's trigger count rather than callback logic.
+#define CUTSCENE_MAP_AREA_TRIGGER_ONCE( \
+  MIN_X, MIN_Y, MIN_Z, MAX_X, MAX_Y, MAX_Z, NOTIFY, TRIGGER \
+) \
+  CUTSCENE_MAP_AREA_ADD( \
+    MIN_X, MIN_Y, MIN_Z, MAX_X, MAX_Y, MAX_Z, \
+    mapAreaNoopCallback, NOTIFY, TRIGGER \
+  ), \
+  CUTSCENE_MAP_AREA_WAIT(CUTSCENE_AREA_LAST_CREATED), \
+  CUTSCENE_MAP_AREA_REMOVE(CUTSCENE_AREA_LAST_CREATED)

src/dusk/rpg/cutscene/cutscenesystem.c

@@ -36,6 +36,7 @@ void cutsceneSystemStartCutsceneWith(
   CUTSCENE_SYSTEM.entityInteracted = interacted;
   CUTSCENE_SYSTEM.entityLastCreated = NULL;
   CUTSCENE_SYSTEM.entityLastRef = NULL;
+  CUTSCENE_SYSTEM.areaLastCreated = CUTSCENE_AREA_LAST_CREATED;
   CUTSCENE_SYSTEM.currentItem = 0xFF;// Set to 0xFF so Next wraps to 0.
   cutsceneSystemNext();
 }
@@ -63,6 +64,7 @@ void cutsceneSystemNext() {
     CUTSCENE_SYSTEM.entityInteracted = NULL;
     CUTSCENE_SYSTEM.entityLastCreated = NULL;
     CUTSCENE_SYSTEM.entityLastRef = NULL;
+    CUTSCENE_SYSTEM.areaLastCreated = CUTSCENE_AREA_LAST_CREATED;
     return;
   }
 
@@ -117,6 +119,17 @@ entity_t * cutsceneSystemGetEntity(const uint8_t entityIndex) {
   return entity;
 }
 
+uint8_t cutsceneSystemGetAreaId(const uint8_t areaId) {
+  if(areaId == CUTSCENE_AREA_LAST_CREATED) {
+    assertTrue(
+      CUTSCENE_SYSTEM.areaLastCreated != CUTSCENE_AREA_LAST_CREATED,
+      "CUTSCENE_AREA_LAST_CREATED used but no map area has been created"
+    );
+    return CUTSCENE_SYSTEM.areaLastCreated;
+  }
+  return areaId;
+}
+
 void cutsceneSystemDispose() {
   CUTSCENE_SYSTEM.scene = NULL;
   CUTSCENE_SYSTEM.currentItem = 0xFF;
@@ -125,4 +138,5 @@ void cutsceneSystemDispose() {
   CUTSCENE_SYSTEM.entityInteracted = NULL;
   CUTSCENE_SYSTEM.entityLastCreated = NULL;
   CUTSCENE_SYSTEM.entityLastRef = NULL;
+  CUTSCENE_SYSTEM.areaLastCreated = CUTSCENE_AREA_LAST_CREATED;
 }

src/dusk/rpg/cutscene/cutscenesystem.h

@@ -14,6 +14,7 @@ typedef struct entity_s entity_t;
 #define CUTSCENE_ENTITY_INTERACTED    ((uint8_t)0xFD)
 #define CUTSCENE_ENTITY_LAST_CREATED  ((uint8_t)0xFC)
 #define CUTSCENE_ENTITY_LAST_REF      ((uint8_t)0xFB)
+#define CUTSCENE_AREA_LAST_CREATED    ((uint8_t)0xFF)
 
 // Maximum number of bytes a running cutscene may request via
 // cutscene_t.dataSize.
@@ -27,6 +28,7 @@ typedef struct {
   entity_t *entityInteracted;
   entity_t *entityLastCreated;
   entity_t *entityLastRef;
+  uint8_t areaLastCreated;
 
   // Data (used by the current item).
   cutsceneitemdata_t data;
@@ -75,6 +77,15 @@ void cutsceneSystemStartCutsceneWith(
  */
 entity_t * cutsceneSystemGetEntity(const uint8_t entityIndex);
 
+/**
+ * Resolves a raw map area ID (or CUTSCENE_AREA_LAST_CREATED sentinel) to
+ * a concrete map area ID.
+ *
+ * @param areaId Raw map area ID or sentinel value.
+ * @returns The resolved map area ID.
+ */
+uint8_t cutsceneSystemGetAreaId(const uint8_t areaId);
+
 /**
  * Advance to the next item in the cutscene.
  */

src/dusk/rpg/cutscene/item/CMakeLists.txt

@@ -12,4 +12,5 @@ target_sources(${DUSK_LIBRARY_TARGET_NAME}
 add_subdirectory(control)
 add_subdirectory(entity)
 add_subdirectory(item)
+add_subdirectory(maparea)
 add_subdirectory(ui)

src/dusk/rpg/cutscene/item/cutsceneitem.c

@@ -65,6 +65,18 @@ void cutsceneItemStart(const cutsceneitem_t *item, cutsceneitemdata_t *data) {
       cutsceneEntityWalkToEntityStart(item, data);
       break;
 
+    case CUTSCENE_ITEM_TYPE_MAP_AREA_ADD:
+      cutsceneMapAreaAddStart(item, data);
+      break;
+
+    case CUTSCENE_ITEM_TYPE_MAP_AREA_REMOVE:
+      cutsceneMapAreaRemoveStart(item, data);
+      break;
+
+    case CUTSCENE_ITEM_TYPE_MAP_AREA_WAIT:
+      cutsceneMapAreaWaitStart(item, data);
+      break;
+
     default:
       break;
   }
@@ -111,6 +123,15 @@ bool_t cutsceneItemUpdate(const cutsceneitem_t *item, cutsceneitemdata_t *data)
     case CUTSCENE_ITEM_TYPE_ENTITY_WALK_TO_ENTITY:
       return cutsceneEntityWalkToEntityUpdate(item, data);
 
+    case CUTSCENE_ITEM_TYPE_MAP_AREA_ADD:
+      return cutsceneMapAreaAddUpdate(item, data);
+
+    case CUTSCENE_ITEM_TYPE_MAP_AREA_REMOVE:
+      return cutsceneMapAreaRemoveUpdate(item, data);
+
+    case CUTSCENE_ITEM_TYPE_MAP_AREA_WAIT:
+      return cutsceneMapAreaWaitUpdate(item, data);
+
     default:
       return false;
   }

src/dusk/rpg/cutscene/item/cutsceneitem.h

@@ -19,6 +19,9 @@
 #include "ui/cutscenetext.h"
 #include "ui/cutscenefade.h"
 #include "item/cutsceneitemgive.h"
+#include "maparea/cutscenemapareaadd.h"
+#include "maparea/cutscenemaparearemove.h"
+#include "maparea/cutscenemapareawait.h"
 
 typedef struct cutscene_s cutscene_t;
 
@@ -37,7 +40,10 @@ typedef enum {
   CUTSCENE_ITEM_TYPE_ENTITY_REMOVE,
   CUTSCENE_ITEM_TYPE_ENTITY_ADD,
   CUTSCENE_ITEM_TYPE_ENTITY_TURN,
-  CUTSCENE_ITEM_TYPE_ENTITY_WALK_TO_ENTITY
+  CUTSCENE_ITEM_TYPE_ENTITY_WALK_TO_ENTITY,
+  CUTSCENE_ITEM_TYPE_MAP_AREA_ADD,
+  CUTSCENE_ITEM_TYPE_MAP_AREA_REMOVE,
+  CUTSCENE_ITEM_TYPE_MAP_AREA_WAIT
 } cutsceneitemtype_t;
 
 struct cutsceneitem_s {
@@ -58,6 +64,9 @@ struct cutsceneitem_s {
     cutsceneentityadd_t entityAdd;
     cutsceneentityturn_t entityTurn;
     cutsceneentitywalktoentity_t entityWalkToEntity;
+    cutscenemapareaadd_t mapAreaAdd;
+    cutscenemaparearemove_t mapAreaRemove;
+    cutscenemapareawait_t mapAreaWait;
   };
 };
 
@@ -65,6 +74,7 @@ typedef union cutsceneitemdata_u {
   cutscenewaitdata_t wait;
   cutsceneentitywalktodata_t entityWalkTo;
   cutsceneconcurrentdata_t concurrent;
+  cutscenemapareawaitdata_t mapAreaWait;
 } cutsceneitemdata_t;
 
 /**

src/dusk/rpg/cutscene/item/maparea/CMakeLists.txt

@@ -0,0 +1,11 @@
+# Copyright (c) 2026 Dominic Masters
+#
+# This software is released under the MIT License.
+# https://opensource.org/licenses/MIT
+
+target_sources(${DUSK_LIBRARY_TARGET_NAME}
+  PUBLIC
+    cutscenemapareaadd.c
+    cutscenemaparearemove.c
+    cutscenemapareawait.c
+)

src/dusk/rpg/cutscene/item/maparea/cutscenemapareaadd.c

@@ -0,0 +1,29 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ *
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "rpg/cutscene/item/cutsceneitem.h"
+#include "rpg/cutscene/cutscenesystem.h"
+
+void cutsceneMapAreaAddStart(
+  const cutsceneitem_t *item,
+  cutsceneitemdata_t *data
+) {
+  CUTSCENE_SYSTEM.areaLastCreated = mapAreaAdd(
+    item->mapAreaAdd.min,
+    item->mapAreaAdd.max,
+    item->mapAreaAdd.callback,
+    item->mapAreaAdd.notify,
+    item->mapAreaAdd.trigger
+  );
+}
+
+bool_t cutsceneMapAreaAddUpdate(
+  const cutsceneitem_t *item,
+  cutsceneitemdata_t *data
+) {
+  return true;
+}

src/dusk/rpg/cutscene/item/maparea/cutscenemapareaadd.h

@@ -0,0 +1,44 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ *
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "rpg/overworld/maparea.h"
+
+typedef struct cutsceneitem_s cutsceneitem_t;
+typedef union cutsceneitemdata_u cutsceneitemdata_t;
+
+typedef struct {
+  worldpos_t min;
+  worldpos_t max;
+  mapareacallback_t callback;
+  uint8_t notify;
+  uint8_t trigger;
+} cutscenemapareaadd_t;
+
+/**
+ * Starts a map area add step (adds the area immediately, storing its ID
+ * in CUTSCENE_SYSTEM.areaLastCreated).
+ *
+ * @param item The cutscene item.
+ * @param data Runtime data storage.
+ */
+void cutsceneMapAreaAddStart(
+  const cutsceneitem_t *item,
+  cutsceneitemdata_t *data
+);
+
+/**
+ * Updates a map area add step (always completes immediately).
+ *
+ * @param item The cutscene item.
+ * @param data Runtime data storage.
+ * @returns true always.
+ */
+bool_t cutsceneMapAreaAddUpdate(
+  const cutsceneitem_t *item,
+  cutsceneitemdata_t *data
+);

src/dusk/rpg/cutscene/item/maparea/cutscenemaparearemove.c

@@ -0,0 +1,24 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ *
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "rpg/cutscene/item/cutsceneitem.h"
+#include "rpg/cutscene/cutscenesystem.h"
+#include "rpg/overworld/maparea.h"
+
+void cutsceneMapAreaRemoveStart(
+  const cutsceneitem_t *item,
+  cutsceneitemdata_t *data
+) {
+  mapAreaRemove(cutsceneSystemGetAreaId(item->mapAreaRemove.areaId));
+}
+
+bool_t cutsceneMapAreaRemoveUpdate(
+  const cutsceneitem_t *item,
+  cutsceneitemdata_t *data
+) {
+  return true;
+}

src/dusk/rpg/cutscene/item/maparea/cutscenemaparearemove.h

@@ -0,0 +1,40 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ *
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "dusk.h"
+
+typedef struct cutsceneitem_s cutsceneitem_t;
+typedef union cutsceneitemdata_u cutsceneitemdata_t;
+
+typedef struct {
+  uint8_t areaId;
+} cutscenemaparearemove_t;
+
+/**
+ * Starts a map area remove step (removes the area immediately). Accepts
+ * CUTSCENE_AREA_LAST_CREATED in place of a literal area ID.
+ *
+ * @param item The cutscene item.
+ * @param data Runtime data storage.
+ */
+void cutsceneMapAreaRemoveStart(
+  const cutsceneitem_t *item,
+  cutsceneitemdata_t *data
+);
+
+/**
+ * Updates a map area remove step (always completes immediately).
+ *
+ * @param item The cutscene item.
+ * @param data Runtime data storage.
+ * @returns true always.
+ */
+bool_t cutsceneMapAreaRemoveUpdate(
+  const cutsceneitem_t *item,
+  cutsceneitemdata_t *data
+);

src/dusk/rpg/cutscene/item/maparea/cutscenemapareawait.c

@@ -0,0 +1,40 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ *
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "rpg/cutscene/item/cutsceneitem.h"
+#include "rpg/cutscene/cutscenesystem.h"
+#include "rpg/overworld/maparea.h"
+#include "assert/assert.h"
+
+void cutsceneMapAreaWaitStart(
+  const cutsceneitem_t *item,
+  cutsceneitemdata_t *data
+) {
+  assertTrue(
+    item->mapAreaWait.count <= CUTSCENE_MAP_AREA_WAIT_MAX,
+    "Too many areas in CUTSCENE_MAP_AREA_WAIT"
+  );
+
+  for(uint8_t i = 0; i < item->mapAreaWait.count; i++) {
+    uint8_t areaId = cutsceneSystemGetAreaId(item->mapAreaWait.areaIds[i]);
+    data->mapAreaWait.baseline[i] = MAP_AREAS[areaId].triggerCount;
+  }
+}
+
+bool_t cutsceneMapAreaWaitUpdate(
+  const cutsceneitem_t *item,
+  cutsceneitemdata_t *data
+) {
+  for(uint8_t i = 0; i < item->mapAreaWait.count; i++) {
+    uint8_t areaId = cutsceneSystemGetAreaId(item->mapAreaWait.areaIds[i]);
+    if(MAP_AREAS[areaId].triggerCount != data->mapAreaWait.baseline[i]) {
+      return true;
+    }
+  }
+
+  return false;
+}

src/dusk/rpg/cutscene/item/maparea/cutscenemapareawait.h

@@ -0,0 +1,49 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ *
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "dusk.h"
+
+typedef struct cutsceneitem_s cutsceneitem_t;
+typedef union cutsceneitemdata_u cutsceneitemdata_t;
+
+/** Maximum number of areas a single CUTSCENE_MAP_AREA_WAIT may watch. */
+#define CUTSCENE_MAP_AREA_WAIT_MAX 4
+
+typedef struct {
+  const uint8_t *areaIds;
+  uint8_t count;
+} cutscenemapareawait_t;
+
+typedef struct {
+  uint32_t baseline[CUTSCENE_MAP_AREA_WAIT_MAX];
+} cutscenemapareawaitdata_t;
+
+/**
+ * Starts a map area wait step, snapshotting each watched area's current
+ * trigger count.
+ *
+ * @param item The cutscene item.
+ * @param data Runtime data storage.
+ */
+void cutsceneMapAreaWaitStart(
+  const cutsceneitem_t *item,
+  cutsceneitemdata_t *data
+);
+
+/**
+ * Updates a map area wait step, completing once any watched area's
+ * trigger count has changed since Start (i.e. its callback fired).
+ *
+ * @param item The cutscene item.
+ * @param data Runtime data storage.
+ * @returns true once any watched area has been triggered.
+ */
+bool_t cutsceneMapAreaWaitUpdate(
+  const cutsceneitem_t *item,
+  cutsceneitemdata_t *data
+);

src/dusk/rpg/entity/interact/entityinteract.h

@@ -7,9 +7,9 @@
 
 #pragma once
 #include "dusk.h"
-#include "rpg/cutscene/cutscene.h"
 
 typedef struct entity_s entity_t;
+typedef struct cutscene_s cutscene_t;
 
 /**
  * Describes the type of interaction an entity supports.

src/dusk/rpg/overworld/maparea.c

@@ -35,6 +35,7 @@ void mapAreaInit(
   area->callback = callback;
   area->notify = notify;
   area->trigger = trigger;
+  area->triggerCount = 0;
 
   memorySet(area->entities, 0, sizeof(area->entities));
 }
@@ -140,6 +141,10 @@ void mapAreaCheckEntity(entity_t *entity) {
     }
 
     if(trigger == 0 || !(area->trigger & trigger)) continue;
+    area->triggerCount++;
     area->callback(entity, trigger);
   }
 }
+
+void mapAreaNoopCallback(entity_t *entity, const uint8_t trigger) {
+}

src/dusk/rpg/overworld/maparea.h

@@ -38,6 +38,11 @@ typedef struct maparea_s {
   uint8_t notify;
   uint8_t trigger;
   uint8_t entities[ENTITY_COUNT];
+
+  // Incremented every time this area's callback is invoked. Lets other
+  // systems (e.g. cutscenes) detect "has this area fired since I last
+  // checked" without needing to be the callback themselves.
+  uint32_t triggerCount;
 } maparea_t;
 
 extern maparea_t MAP_AREAS[MAP_AREA_COUNT_MAX];
@@ -143,4 +148,14 @@ void mapAreaRemove(const uint8_t id);
  *
  * @param entity Pointer to the entity to check.
  */
-void mapAreaCheckEntity(entity_t *entity);
+void mapAreaCheckEntity(entity_t *entity);
+
+/**
+ * A map area callback that does nothing. Useful for areas whose only
+ * purpose is to be waited on (see CUTSCENE_MAP_AREA_WAIT), since the
+ * wait is driven by triggerCount rather than callback logic.
+ *
+ * @param entity Pointer to the entity associated with the callback.
+ * @param trigger Which MAP_TRIGGER_* condition invoked the callback.
+ */
+void mapAreaNoopCallback(entity_t *entity, const uint8_t trigger);