From f39b2060a8eb899f2217c90193885fcc568a7131 Mon Sep 17 00:00:00 2001
From: Dominic Masters <dominic@domsplace.com>
Date: Wed, 24 Dec 2025 10:44:53 +1000
Subject: [PATCH] iuno just screwing around tbh

---
 assets/script/CMakeLists.txt       |  3 ++-
 assets/script/init.lua             |  5 ++++
 assets/script/scene/CMakeLists.txt |  4 +++
 assets/script/test.lua             |  5 ----
 assets/script/test2.lua            |  1 -
 src/duskdefs.env                   |  2 +-
 src/engine/engine.c                |  9 +++----
 src/engine/engine.h                |  2 ++
 src/rpg/world/map.c                |  5 ++--
 src/scene/scenemanager.c           |  6 -----
 src/scene/scenemanager.h           |  2 +-
 src/script/func/scriptfunccamera.h |  2 --
 src/script/func/scriptfuncscene.h  | 39 ++++++++++++++++++++++++++++++
 src/script/func/scriptfuncsystem.h | 13 +++++-----
 src/script/scriptcontext.c         |  6 +++++
 15 files changed, 72 insertions(+), 32 deletions(-)
 create mode 100644 assets/script/init.lua
 create mode 100644 assets/script/scene/CMakeLists.txt
 delete mode 100644 assets/script/test.lua
 delete mode 100644 assets/script/test2.lua
 create mode 100644 src/script/func/scriptfuncscene.h

diff --git a/assets/script/CMakeLists.txt b/assets/script/CMakeLists.txt
index a7a0c66..bfdf852 100644
--- a/assets/script/CMakeLists.txt
+++ b/assets/script/CMakeLists.txt
@@ -4,4 +4,5 @@
 # https://opensource.org/licenses/MIT
 
 add_asset(SCRIPT test.lua)
-add_asset(SCRIPT test2.lua)
\ No newline at end of file
+
+add_subdirectory(scene)
\ No newline at end of file
diff --git a/assets/script/init.lua b/assets/script/init.lua
new file mode 100644
index 0000000..85f42b3
--- /dev/null
+++ b/assets/script/init.lua
@@ -0,0 +1,5 @@
+print('Init')
+
+-- Load map scene
+setScene('map')
+setMap()
\ No newline at end of file
diff --git a/assets/script/scene/CMakeLists.txt b/assets/script/scene/CMakeLists.txt
new file mode 100644
index 0000000..e681ce4
--- /dev/null
+++ b/assets/script/scene/CMakeLists.txt
@@ -0,0 +1,4 @@
+# Copyright (c) 2025 Dominic Masters
+# 
+# This software is released under the MIT License.
+# https://opensource.org/licenses/MIT
\ No newline at end of file
diff --git a/assets/script/test.lua b/assets/script/test.lua
deleted file mode 100644
index e82c1d3..0000000
--- a/assets/script/test.lua
+++ /dev/null
@@ -1,5 +0,0 @@
-include('script/test2')
-
-player = entityAdd(ENTITY_TYPE_PLAYER, 3, 6, 1)
-
-print("Player entity ID: " .. player)
\ No newline at end of file
diff --git a/assets/script/test2.lua b/assets/script/test2.lua
deleted file mode 100644
index 240fc45..0000000
--- a/assets/script/test2.lua
+++ /dev/null
@@ -1 +0,0 @@
-print("This is test2.lua")
diff --git a/src/duskdefs.env b/src/duskdefs.env
index b523bc5..1629af9 100644
--- a/src/duskdefs.env
+++ b/src/duskdefs.env
@@ -8,7 +8,7 @@ ENTITY_DIR_WEST = 1
 ENTITY_DIR_EAST = 2
 ENTITY_DIR_NORTH = 3
 
-ENTITY_COUNT = 256
+ENTITY_COUNT = 128
 
 ENTITY_TYPE_NULL = 0
 ENTITY_TYPE_PLAYER = 1
diff --git a/src/engine/engine.c b/src/engine/engine.c
index 8fb8b2a..aaba748 100644
--- a/src/engine/engine.c
+++ b/src/engine/engine.c
@@ -18,8 +18,6 @@
 #include "script/scriptmanager.h"
 #include "debug/debug.h"
 
-#include "script/scriptcontext.h"
-
 engine_t ENGINE;
 
 errorret_t engineInit(const int32_t argc, const char_t **argv) {
@@ -41,10 +39,9 @@ errorret_t engineInit(const int32_t argc, const char_t **argv) {
   errorChain(sceneManagerInit());
 
   // Run the initial script.
-  scriptcontext_t testCtx;
-  errorChain(scriptContextInit(&testCtx));
-  errorChain(scriptContextExecFile(&testCtx, "script/test.dsf"));
-  scriptContextDispose(&testCtx);
+  errorChain(scriptContextInit(&ENGINE.mainScriptContext));
+  errorChain(scriptContextExecFile(&ENGINE.mainScriptContext, "script/test.dsf"));
+  scriptContextDispose(&ENGINE.mainScriptContext);
 
   errorOk();
 }
diff --git a/src/engine/engine.h b/src/engine/engine.h
index b75d350..4acf63e 100644
--- a/src/engine/engine.h
+++ b/src/engine/engine.h
@@ -8,11 +8,13 @@
 #pragma once
 #include "display/display.h"// Important to be included first.
 #include "error/error.h"
+#include "script/scriptcontext.h"
 
 typedef struct {
   bool_t running;
   int32_t argc;
   const char_t **argv;
+  scriptcontext_t mainScriptContext;
 } engine_t;
 
 extern engine_t ENGINE;
diff --git a/src/rpg/world/map.c b/src/rpg/world/map.c
index afe66e5..d0e4a99 100644
--- a/src/rpg/world/map.c
+++ b/src/rpg/world/map.c
@@ -15,9 +15,8 @@ map_t MAP;
 
 errorret_t mapInit() {
   memoryZero(&MAP, sizeof(map_t));
-
-  // Init the default chunks. In future I'll probably make this based on where
-  // the player spawns in to save an initial mapSet.
+  
+  // Init the first chunks.
   chunkindex_t index = 0;
   for(chunkunit_t z = 0; z < MAP_CHUNK_DEPTH; z++) {
     for(chunkunit_t y = 0; y < MAP_CHUNK_HEIGHT; y++) {
diff --git a/src/scene/scenemanager.c b/src/scene/scenemanager.c
index 972dd03..584860c 100644
--- a/src/scene/scenemanager.c
+++ b/src/scene/scenemanager.c
@@ -18,12 +18,6 @@ errorret_t sceneManagerInit(void) {
 
   sceneManagerRegisterScene(&SCENE_TEST);
   sceneManagerRegisterScene(&SCENE_MAP);
-
-  // Initial scene
-  scene_t *initial = sceneManagerGetSceneByName("map");
-  sceneManagerSetScene(initial);
-  if(initial->init) errorChain(initial->init(&SCENE_MANAGER.sceneData));
-  initial->flags |= SCENE_FLAG_INITIALIZED;
   
   errorOk();
 }
diff --git a/src/scene/scenemanager.h b/src/scene/scenemanager.h
index 0b6c765..1edf04f 100644
--- a/src/scene/scenemanager.h
+++ b/src/scene/scenemanager.h
@@ -9,7 +9,7 @@
 #include "scene.h"
 #include "scenedata.h"
 
-#define SCENE_MANAGER_SCENE_COUNT_MAX 32
+#define SCENE_MANAGER_SCENE_COUNT_MAX 16
 
 typedef struct {
   scene_t *current;
diff --git a/src/script/func/scriptfunccamera.h b/src/script/func/scriptfunccamera.h
index de86975..021d01b 100644
--- a/src/script/func/scriptfunccamera.h
+++ b/src/script/func/scriptfunccamera.h
@@ -9,8 +9,6 @@
 #include "script/scriptcontext.h"
 #include "assert/assert.h"
 
-
-
 void scriptFuncCamera(scriptcontext_t *context) {
   assertNotNull(context, "Script context cannot be NULL");
 }
\ No newline at end of file
diff --git a/src/script/func/scriptfuncscene.h b/src/script/func/scriptfuncscene.h
new file mode 100644
index 0000000..185e50c
--- /dev/null
+++ b/src/script/func/scriptfuncscene.h
@@ -0,0 +1,39 @@
+/**
+ * Copyright (c) 2025 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "script/scriptcontext.h"
+#include "scene/scenemanager.h"
+#include "debug/debug.h"
+#include "assert/assert.h"
+#include "error/error.h"
+
+int32_t scriptFuncSetScene(lua_State *L) {
+  assertNotNull(L, "Lua state cannot be NULL");
+  assertTrue(lua_isstring(L, 1), "First argument must be a string");
+
+  const char_t *sceneName = lua_tostring(L, 1);
+  scene_t *scene = sceneManagerGetSceneByName(sceneName);
+  assertNotNull(scene, "Scene with given name does not exist");
+
+  sceneManagerSetScene(scene);
+
+  if(scene->init) {
+    errorret_t err = scene->init(&SCENE_MANAGER.sceneData);
+    assertTrue(err.code == ERROR_OK, "Scene initialization failed");
+  }
+  scene->flags |= SCENE_FLAG_INITIALIZED;
+
+  return 0;
+}
+
+
+void scriptFuncScene(scriptcontext_t *context) {
+  assertNotNull(context, "Script context cannot be NULL");
+
+  scriptContextRegFunc(context, "setScene", scriptFuncSetScene);
+}
\ No newline at end of file
diff --git a/src/script/func/scriptfuncsystem.h b/src/script/func/scriptfuncsystem.h
index a9b309e..59fe7d8 100644
--- a/src/script/func/scriptfuncsystem.h
+++ b/src/script/func/scriptfuncsystem.h
@@ -34,19 +34,19 @@ int32_t scriptFuncPrint(lua_State *L) {
 
 int32_t scriptFuncInclude(lua_State *L) {
   assertNotNull(L, "Lua state cannot be NULL");
+  assertTrue(lua_isstring(L, 1), "Expected string filename");
 
   scriptcontext_t* ctx = *(scriptcontext_t**)lua_getextraspace(L);
-  if (!ctx) return luaL_error(L, "Lua extraspace ctx not set");
+  assertNotNull(ctx, "Script context cannot be NULL");
 
   const char_t *filename = luaL_checkstring(L, 1);
-  if(filename == NULL || filename[0] == '\0') {
-    luaL_error(L, "Filename cannot be NULL or empty");
-    return 0;
-  }
+  assertNotNull(filename, "Filename cannot be NULL");
+  assertStrLenMin(filename, 1, "Filename cannot be empty");
 
-  // 
+  // Copy out filename to mutable buffer
   char_t buffer[1024];
   stringCopy(buffer, filename, 1024);
+
   // Ensure it has .dsf extension
   size_t len = strlen(buffer);
   if(len < 4 || strcmp(&buffer[len - 4], ".dsf") != 0) {
@@ -58,6 +58,7 @@ int32_t scriptFuncInclude(lua_State *L) {
     stringCopy(&buffer[len], ".dsf", 5);
   }
 
+  // Execute the script file
   errorret_t err = scriptContextExecFile(
     ctx,
     buffer
diff --git a/src/script/scriptcontext.c b/src/script/scriptcontext.c
index a5b1363..3d160d3 100644
--- a/src/script/scriptcontext.c
+++ b/src/script/scriptcontext.c
@@ -14,6 +14,7 @@
 #include "script/func/scriptfunccamera.h"
 #include "script/func/scriptfuncentity.h"
 #include "script/func/scriptfuncsystem.h"
+#include "script/func/scriptfuncscene.h"
 
 errorret_t scriptContextInit(scriptcontext_t *context) {
   assertNotNull(context, "Script context cannot be NULL");
@@ -30,9 +31,14 @@ errorret_t scriptContextInit(scriptcontext_t *context) {
   // Store context in Lua extraspace
   *(scriptcontext_t**)lua_getextraspace(context->luaState) = context;
 
+  // Register variables
+  // scriptContextExec(context, "PLATFORM = 'DESKTOP'");
+
   // Register functions
   scriptFuncSystem(context);
   scriptFuncEntity(context);
+  scriptFuncCamera(context);
+  scriptFuncScene(context);
 
   errorOk();
 }