Mesh duplication

core/Mesh.cpp

@@ -51,6 +51,11 @@ Mesh::~Mesh() {
   }
 }
 
+Mesh *Mesh::Duplicate() {
+  Mesh *dup = new Mesh(*this);
+  return dup;
+}
+
 void Mesh::SetupMesh() {
   for (SubMesh *sub : submeshes) {
     sub->SetupSubMesh();

core/Mesh.h

@@ -44,6 +44,7 @@ public:
   virtual bool IsDrawable() const {return true;}
   virtual void Draw(Shader *shader);
   virtual Name GetType() const;
+  Mesh *Duplicate();
 protected:
   SubMeshList submeshes;
   virtual void SetupMesh();

demo/ground.mtl

@@ -0,0 +1,13 @@
+# Blender MTL File: 'None'
+# Material Count: 1
+
+newmtl Material.001
+Ns 20.935559
+Ka 1.000000 1.000000 1.000000
+Kd 0.800000 0.800000 0.800000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.450000
+d 1.000000
+illum 1
+map_Kd /home/dane/dev/games/trough/godot/environment/raw/grass_lowres.png

demo/ground.obj

@@ -0,0 +1,16 @@
+# Blender v2.91.0 OBJ File: ''
+# www.blender.org
+mtllib ground.mtl
+o Plane
+v -1.000000 0.000000 1.000000
+v 1.000000 0.000000 1.000000
+v -1.000000 0.000000 -1.000000
+v 1.000000 0.000000 -1.000000
+vt 0.000000 0.000000
+vt 1.000000 0.000000
+vt 1.000000 1.000000
+vt 0.000000 1.000000
+vn 0.0000 1.0000 0.0000
+usemtl Material.001
+s off
+f 1/1/1 2/2/1 4/3/1 3/4/1

demo/main.lua

@@ -46,6 +46,8 @@ function init()
    )
    couch.Node.GetRoot().children:Append(skybox)
 
+   make_ground()
+   
    ball = couch.Mesh.FromFile("cube.obj")
    material = ball:GetMaterial(0)
    material.ambient = RED
@@ -147,3 +149,17 @@ function onmousemotion(_, _, relx, rely)
    cam_rot_x = relx
    cam_rot_y = rely
 end
+
+function make_ground()
+   local ground = couch.TexturedMesh("ground.obj", "grass_lowres.png")
+   ground.transform.position = couch.Vector3(0.0, -2.0, 0.0)
+   ground.transform.scale = couch.Vector3(3.0, 1.0, 3.0)
+
+   for x = -20, 20, 1 do
+      for z = -20, 20, 1 do
+	 local piece = ground:Duplicate()
+	 piece.transform.position = couch.Vector3(3.0 * x, -2.0, 3.0 * z)
+	 couch.Node.GetRoot().children:Append(piece)
+      end
+   end
+end

roadmap.md

@@ -54,7 +54,6 @@ calling it from the lua file, so stubs aren't necessary to prevent a crash
 - [X] No crash on calling non-existant scripting hooks
 
 ## Lighting
-
 I'm a bit happier with the system now, I think it's time I started the lighting.
 We're going to use a pretty basic Phong lighting system, with 
 Flat and Garourd shaders available (This was all that was available on the PSX!)