Prepping for overworld rendering.

src/dusk/overworld/entity.c

@@ -9,7 +9,7 @@
 #include "assert/assert.h"
 
 entitycallback_t ENTITY_CALLBACKS[ENTITY_TYPE_COUNT] = {
-  { NULL },
+  { NULL, NULL },
   { playerInit, playerUpdate }
 };
 
@@ -26,6 +26,7 @@ void entityInit(
   memset(ent, 0, sizeof(entity_t));
   ent->type = type;
 
+  // Call init
   assertNotNull(ENTITY_CALLBACKS[type].init, "Entity type init callback err.");
   ENTITY_CALLBACKS[type].init(ent);
 }

src/dusk/overworld/overworld.h

@@ -17,7 +17,28 @@ typedef struct {
 
 extern overworld_t overworld;
 
+/**
+ * Initializes the overworld.
+ */
 void overworldInit();
+
+/**
+ * Called by the scene system when the overworld scene is made to be the 
+ * active scene.
+ */
 void overworldSceneInit();
+
+/**
+ * Called by the scene system when the overworld scene is made to be inactive.
+ */
 void overworldSceneDeinit();
-void overworldUpdate();
+
+/**
+ * Called by the scene system when the overworld scene is to perform a tick.
+ */
+void overworldUpdate();
+
+/**
+ * Platform level render method. Refer to sceneRender for information.
+ */
+void overworldRender();

src/dusk/render/scene.c

@@ -10,8 +10,17 @@
 #include "overworld/overworld.h"
 
 scenetypecallback_t SCENE_CALLBACKS[] = {
-  { NULL, NULL, NULL, NULL },// SCENE_TYPE_INITIAL
-  { overworldInit, overworldSceneInit, overworldSceneDeinit, overworldUpdate },
+  // SCENE_TYPE_INITIAL
+  { NULL, NULL, NULL, NULL, NULL },
+
+  // SCENE_TYPE_OVERWORLD
+  {
+    overworldInit,
+    overworldSceneInit,
+    overworldSceneDeinit,
+    overworldUpdate,
+    overworldRender
+  },
 };
 
 scene_t SCENE;
@@ -41,6 +50,14 @@ void sceneUpdate() {
   }
 }
 
+void sceneRender() {
+  assertTrue(SCENE.current < SCENE_TYPE_COUNT, "Invalid Scene Type");
+
+  if(SCENE_CALLBACKS[SCENE.current].onRender) {
+    SCENE_CALLBACKS[SCENE.current].onRender();
+  }
+}
+
 void sceneSet(const scenetype_t scene) {
   assertTrue(SCENE.next < SCENE_TYPE_COUNT, "Invalid Scene Type");
   SCENE.next = scene;

src/dusk/render/scene.h

@@ -25,6 +25,7 @@ typedef struct {
   void (*onActive)();
   void (*onInactive)();
   void (*onUpdate)();
+  void (*onRender)();
 } scenetypecallback_t;
 
 extern scene_t SCENE;
@@ -39,6 +40,16 @@ void sceneInit();
  */
 void sceneUpdate();
 
+/**
+ * Renders the scene system.
+ * 
+ * Scene rendering is really just an abstraction meant to simplify things for
+ * the render host. It is not REQUIRED to be called at all and is not actually
+ * implemented in the dusk dir itself, it is overriden somewhere within the
+ * render host.
+ */
+void sceneRender();
+
 /**
  * Sets the current scene. This will happen at the start of the next tick.
  * 

src/duskgl/CMakeLists.txt

@@ -26,4 +26,5 @@ target_sources(${DUSK_TARGET_NAME}
 
 # Subdirs
 add_subdirectory(assert)
-add_subdirectory(display)
+add_subdirectory(display)
+add_subdirectory(overworld)

src/duskgl/display/render.c

@@ -7,6 +7,7 @@
 
 #include "assert/assertgl.h"
 #include "render.h"
+#include "render/scene.h"
 
 render_t RENDER;
 
@@ -15,10 +16,10 @@ void renderInit() {
 }
 
 void renderUpdate() {
-}
-
-void renderOverworld() {
+  // Hand off to the scene to do its rendering.
+  sceneRender();
 }
 
 void renderDispose() {
+
 }

src/duskgl/overworld/CMakeLists.txt

@@ -0,0 +1,12 @@
+# Copyright (c) 2025 Dominic Masters
+# 
+# This software is released under the MIT License.
+# https://opensource.org/licenses/MIT
+
+# Sources
+target_sources(${DUSK_TARGET_NAME}
+  PRIVATE
+    overworld.c
+)
+
+# Subdirs

src/duskgl/overworld/overworld.c

@@ -0,0 +1,12 @@
+/**
+ * Copyright (c) 2025 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "overworld/overworld.h"
+
+void overworldRender() {
+  
+}