Started using a project file to load scenes

Signed-off-by: Robear Selwans <robear.selwans@outlook.com>

config.lua

@@ -1,4 +1,6 @@
 name = "sandbox"
 module_dir = "."
 
-visualize_physics = 1
+visualize_physics = 1
+
+project_dir = "/home/sisyphus/dev/evol-sandbox/res/project"

res/project/game.proj

@@ -0,0 +1,25 @@
+{
+  "name": "dummy_game",
+  "engineVersion": "0.2",
+  "mounts": [
+    {
+      "path": "./res",
+      "mountpoint": "res"
+    },
+    {
+      "path": "./res/scripts",
+      "mountpoint": "scripts"
+    },
+    {
+      "path": "./res/scenes",
+      "mountpoint": "scenes"
+    }
+  ],
+  "scenes": [
+    {
+      "id": "MainScene",
+      "path": "scenes://MainScene.evsc"
+    }
+  ],
+  "activeScene": "MainScene"
+}

res/project/res/scenes/MainScene.evsc

@@ -0,0 +1,104 @@
+{
+  "id":"MainScene",
+  "nodes": [
+    {
+      "id": "Camera",
+      "components": [
+        {
+          "type": "TransformComponent",
+          "position": [0.0, 0.0, 0.0],
+          "rotation": [0.0, 0.0, 0.0],
+          "scale": [1.0, 1.0, 1.0]
+        },
+        {
+          "type": "CameraComponent",
+          "view": "Perspective",
+          "fov": 120,
+          "near": 0.001,
+          "far": 1000,
+          "aspectRatio": 1.3333
+        },
+        {
+          "type": "ScriptComponent",
+          "script_name": "CameraController",
+          "script_path": "scripts://Scene0/camera.lua"
+        }
+      ]
+    },
+    {
+      "id": "Player",
+      "components": [
+        {
+          "type": "TransformComponent",
+          "position": [0.0, 0.0, -15.0],
+          "rotation": [0.0, 0.0, 0.0],
+          "scale": [1.0, 1.0, 1.0]
+        },
+        {
+          "type": "RigidbodyComponent",
+          "rigidbodyType": "Dynamic",
+          "mass": 1.0,
+          "restitution": 1.0,
+          "collisionShape": {
+            "type": "Sphere",
+            "radius": 1.0
+          }
+        },
+        {
+          "type": "ScriptComponent",
+          "script_name": "PlayerController",
+          "script_path": "scripts://Scene0/player.lua"
+        }
+      ],
+      "children": [
+        {
+          "id": "Child",
+          "components": [
+            {
+              "type": "TransformComponent",
+              "position": [0.0, 5.0, -5.0],
+              "rotation": [0.0, 0.0, 0.0],
+              "scale": [1.0, 1.0, 1.0]
+            },
+            {
+              "type": "RigidbodyComponent",
+              "rigidbodyType": "Kinematic",
+              "mass": 1.0,
+              "restitution": 1.0,
+              "collisionShape": {
+                "type": "Sphere",
+                "radius": 1.0
+              }
+            },
+            {
+              "type": "ScriptComponent",
+              "script_name": "ChildController",
+              "script_path": "scripts://Scene0/child.lua"
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "id": "Ground",
+      "components": [
+        {
+          "type": "TransformComponent",
+          "position": [0.0, -15.0, -15.0],
+          "rotation": [0.0, 0.0, 0.0],
+          "scale": [1.0, 1.0, 1.0]
+        },
+        {
+          "type": "RigidbodyComponent",
+          "rigidbodyType": "Static",
+          "mass": 0.0,
+          "restitution": 0.0,
+          "collisionShape": {
+            "type": "Sphere",
+            "radius": 10.0
+          }
+        }
+      ]
+    }
+  ]
+}

res/project/res/scripts/Scene0/child.lua

@@ -4,7 +4,6 @@ this.on_init = function ()
 end
 
 this.on_fixedupdate = function ()
-  print('Scene0 OnFixedUpdate Entity #' .. this.entityID)
   if Input.getKeyDown(Input.KeyCode.Left) then
     this.custom_eulerangles:add(Vec3:new(0,0.01,0))
   end

res/project/res/scripts/Scene0/player.lua

@@ -1,5 +1,5 @@
 this.on_collisionenter = function(other)
-  other.position = other.position + Vec3:new(3.2, 0, 0)
+  -- other.position = other.position + Vec3:new(3.2, 0, 0)
 end
 
 this.on_update = function ()

src/main.c

@@ -3,6 +3,8 @@
 #include <evol/common/ev_macros.h>
 #include <evol/common/ev_profile.h>
 #include <evol/utils/sleep.h>
+#include <evjson.h>
+#include <evol/core/configloader.h>
 
 #define IMPORT_MODULE evmod_glfw
 #include IMPORT_MODULE_H
@@ -34,145 +36,13 @@ DECLARE_EVENT_LISTENER(keyPressedListener, (KeyPressedEvent *event) {
   /* else if(event->keyCode == 61) // Numrow = */
 })
 
-void
-init_scenes()
-{
-  { // Scene 0
-    scenes[0] = Game->newScene();
-
-    GameObject playerBox = Scene->createObject(scenes[0]);
-    GameObject childBox = Scene->createChildObject(scenes[0], playerBox);
-    GameObject ground = Scene->createObject(scenes[0]);
-
-    GameObject camera = Scene->createCamera(scenes[0], EV_CAMERA_VIEWTYPE_PERSPECTIVE);
-
-    assert(Scene->getActiveCamera(scenes[0]) == camera);
-    Camera->setHFOV(scenes[0], camera, 120);
-    Camera->setNearPlane(scenes[0], camera, 0.001);
-    Camera->setFarPlane(scenes[0], camera, 1000);
-    Camera->setAspectRatio(scenes[0], camera, (F32)width / (F32)height);
-    Object->setPosition(scenes[0], camera, Vec3new(0, 0, -5));
-
-    AssetHandle childBoxScriptAsset = Asset->load("scripts://Scene0/child.lua");
-    TextAsset childScript = TextLoader->loadAsset(childBoxScriptAsset);
-    ScriptHandle childBoxScript = Script->new("ChildScriptScene0", childScript.text);
-    Asset->free(childBoxScriptAsset);
-
-    AssetHandle playerBoxScriptAsset = Asset->load("scripts://Scene0/player.lua");
-    TextAsset playerScript = TextLoader->loadAsset(playerBoxScriptAsset);
-    ScriptHandle playerBoxScript = Script->new("PlayerScriptScene0", playerScript.text);
-    Asset->free(playerBoxScriptAsset);
-
-    AssetHandle cameraScriptAsset = Asset->load("scripts://Scene0/camera.lua");
-    TextAsset cameraScriptText = TextLoader->loadAsset(cameraScriptAsset);
-    ScriptHandle cameraScript = Script->new("CameraScriptScene0", cameraScriptText.text);
-    Asset->free(cameraScriptAsset);
-
-    GenericHandle ecs_handle = Scene->getECSWorld(scenes[0]);
-    PhysicsWorldHandle physics_handle = Scene->getPhysicsWorld(scenes[0]);
-
-    Script->addToEntity(scenes[0], playerBox, playerBoxScript);
-    Script->addToEntity(scenes[0], childBox, childBoxScript);
-    Script->addToEntity(scenes[0], camera, cameraScript);
-
-    CollisionShapeHandle boxCollider = CollisionShape->newBox(physics_handle, Vec3new(1., 1., 1.));
-    CollisionShapeHandle groundCollider = CollisionShape->newBox(physics_handle, Vec3new(5., 5., 5.));
-
-    Object->setPosition(scenes[0], childBox, Vec3new(1, 7, -10   ));
-    Object->setPosition(scenes[0], playerBox, Vec3new(-1, 5, -10   ));
-    Object->setPosition(scenes[0], ground, Vec3new(0, -10, -10   ));
-
-    RigidbodyHandle childRigidbody = Rigidbody->addToEntity(scenes[0], childBox, &(RigidbodyInfo) {
-      .type = EV_RIGIDBODY_KINEMATIC,
-      .collisionShape = boxCollider,
-    });
-
-    RigidbodyHandle playerRigidbody = Rigidbody->addToEntity(scenes[0], playerBox, &(RigidbodyInfo) {
-      .type = EV_RIGIDBODY_DYNAMIC,
-      .collisionShape = boxCollider,
-      .mass = 1.0,
-    });
-
-    RigidbodyInfo groundRbInfo = {
-      .type = EV_RIGIDBODY_STATIC,
-      .collisionShape = groundCollider,
-    };
-
-    RigidbodyHandle groundRigidbody = Rigidbody->addToEntity(scenes[0], ground, &groundRbInfo);
-  }
-  { // Scene 1
-    scenes[1] = Game->newScene();
-
-    GameObject playerBox = Scene->createObject(scenes[1]);
-    GameObject childBox = Scene->createObject(scenes[1]);
-    GameObject ground = Scene->createObject(scenes[1]);
-
-    GameObject camera = Scene->createCamera(scenes[1], EV_CAMERA_VIEWTYPE_PERSPECTIVE);
-
-    assert(Scene->getActiveCamera(scenes[1]) == camera);
-    Camera->setHFOV(scenes[1], camera, 120);
-    Camera->setNearPlane(scenes[1], camera, 0.001);
-    Camera->setFarPlane(scenes[1], camera, 1000);
-    Camera->setAspectRatio(scenes[1], camera, (F32)width / (F32)height);
-    Object->setPosition(scenes[1], camera, Vec3new(0, 0, -5));
-
-    AssetHandle childBoxScriptAsset = Asset->load("scripts://Scene1/child.lua");
-    TextAsset childScript = TextLoader->loadAsset(childBoxScriptAsset);
-    ScriptHandle childBoxScript = Script->new("ChildScriptScene1", childScript.text);
-    Asset->free(childBoxScriptAsset);
-
-    AssetHandle playerBoxScriptAsset = Asset->load("scripts://Scene1/player.lua");
-    TextAsset playerScript = TextLoader->loadAsset(playerBoxScriptAsset);
-    ScriptHandle playerBoxScript = Script->new("PlayerScriptScene1", playerScript.text);
-    Asset->free(playerBoxScriptAsset);
-
-    AssetHandle cameraScriptAsset = Asset->load("scripts://Scene1/camera.lua");
-    TextAsset cameraScriptText = TextLoader->loadAsset(cameraScriptAsset);
-    ScriptHandle cameraScript = Script->new("CameraScriptScene1", cameraScriptText.text);
-    Asset->free(cameraScriptAsset);
-
-    GenericHandle ecs_handle = Scene->getECSWorld(scenes[1]);
-    PhysicsWorldHandle physics_handle = Scene->getPhysicsWorld(scenes[1]);
-
-    Script->addToEntity(scenes[1], playerBox, playerBoxScript);
-    Script->addToEntity(scenes[1], childBox, childBoxScript);
-    Script->addToEntity(scenes[1], camera, cameraScript);
-
-    CollisionShapeHandle boxCollider = CollisionShape->newBox(physics_handle, Vec3new(1., 1., 1.));
-    CollisionShapeHandle groundCollider = CollisionShape->newBox(physics_handle, Vec3new(5., 5., 5.));
-
-    Object->setPosition(scenes[1], childBox, Vec3new(1, 7, -10   ));
-    Object->setPosition(scenes[1], playerBox, Vec3new(-1, 5, -10   ));
-    Object->setPosition(scenes[1], ground, Vec3new(0, -10, -10   ));
-
-
-    RigidbodyHandle childRigidbody = Rigidbody->addToEntity(scenes[1], childBox, &(RigidbodyInfo) {
-      .type = EV_RIGIDBODY_DYNAMIC,
-      .collisionShape = boxCollider,
-      .mass = 1.0,
-    });
-
-    RigidbodyHandle playerRigidbody = Rigidbody->addToEntity(scenes[1], playerBox, &(RigidbodyInfo) {
-      .type = EV_RIGIDBODY_DYNAMIC,
-      .collisionShape = boxCollider,
-      .mass = 1.0,
-    });
-
-    RigidbodyInfo groundRbInfo = {
-      .type = EV_RIGIDBODY_STATIC,
-      .collisionShape = groundCollider,
-    };
-
-    RigidbodyHandle groundRigidbody = Rigidbody->addToEntity(scenes[1], ground, &groundRbInfo);
-  }
-}
-
 int main(int argc, char **argv) 
 {
   evolengine_t *engine = evol_create();
   evol_parse_args(engine, argc, argv);
   evol_init(engine);
 
+
   evolmodule_t script_mod  = evol_loadmodule("script");         DEBUG_ASSERT(script_mod);
   evolmodule_t window_mod  = evol_loadmodule("window");         DEBUG_ASSERT(window_mod);
   evolmodule_t input_mod   = evol_loadmodule("input");          DEBUG_ASSERT(input_mod);
@@ -185,10 +55,7 @@ int main(int argc, char **argv)
   imports(window_mod , (Window))
   imports(input_mod  , (Input))
   imports(physics_mod, (PhysicsWorld, Rigidbody, CollisionShape))
-  imports(asset_mod  , (AssetManager, Asset, TextLoader))
+  imports(asset_mod  , (AssetManager, Asset, TextLoader, JSONLoader))
-
-  AssetManager->mount("../res", "res:/");
-  AssetManager->mount("../res/scripts", "scripts:/");
 
   IMPORT_EVENTS_evmod_glfw(window_mod);
 
@@ -196,8 +63,60 @@ int main(int argc, char **argv)
   Input->setActiveWindow(windowHandle);
 
   ACTIVATE_EVENT_LISTENER(keyPressedListener, KeyPressedEvent);
+  evstring project_dir = NULL;
+  EvConfigLoaderResult project_dir_get_res = ev_configloader_get("project_dir", EV_TYPE_NAME(STRING), &project_dir);
+  if(project_dir_get_res != EV_CONFIGLOADER_SUCCESS) {
+    ev_log_error("[sandbox] Could not get project_dir from config file. Error: %s", EvConfigLoaderResultStrings[project_dir_get_res]);
+  }
 
-  init_scenes();
+  assert(project_dir);
+
+  evstring project_mountpoint = evstring_new("project");
+  AssetManager->mount(&project_dir, &project_mountpoint);
+  evstring_free(project_mountpoint);
+
+
+  EV_DEFER(
+      AssetHandle project_config = Asset->load("project://game.proj"),
+      Asset->free(project_config))
+  {
+    JSONAsset project_desc = JSONLoader->loadAsset(project_config);
+
+    // Loading filesystem mounts
+    double mounts_count = evjs_get(project_desc.json_data, "mounts.len")->as_num;
+    for(int i = 0; i < (int)mounts_count;i++) {
+      evstring path_id = evstring_newfmt("mounts[%d].path", i);
+      evstring mountpoint_id = evstring_newfmt("mounts[%d].mountpoint", i);
+
+      evstr_ref path_ref = evjs_get(project_desc.json_data, path_id)->as_str;
+      evstr_ref mountpoint_ref = evjs_get(project_desc.json_data, mountpoint_id)->as_str;
+
+      evstring path = evstring_newfmt("%s/%.*s", project_dir, path_ref.len, path_ref.data + path_ref.offset);
+      evstring mountpoint = evstring_refclone(mountpoint_ref);
+
+      AssetManager->mount(&path, &mountpoint);
+
+      evstring_free(mountpoint);
+      evstring_free(path);
+
+      evstring_free(mountpoint_id);
+      evstring_free(path_id);
+    }
+
+    // Loading Scenes
+    double scene_count = evjs_get(project_desc.json_data, "scenes.len")->as_num;
+    for(int i = 0; i < (int)scene_count;i++) {
+      evstring scenepath_id = evstring_newfmt("scenes[%d].path", i);
+      evstring scenepath = evstring_refclone(evjs_get(project_desc.json_data, scenepath_id)->as_str);
+
+      scenes[0] = Game->loadSceneFromFile(scenepath);
+
+      evstring_free(scenepath);
+      evstring_free(scenepath_id);
+    }
+  }
+
+  evstring_free(project_dir);
 
   rmt_SetCurrentThreadName("Main Thread");