PsychoBlend now exports meshes as meshes, and Psychopath renders to PNGs.

Cargo.lock

@@ -4,6 +4,7 @@ version = "0.1.0"
 dependencies = [
  "crossbeam 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "docopt 0.6.80 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lodepng 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "nom 1.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 0.2.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -18,6 +19,11 @@ dependencies = [
  "memchr 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "c_vec"
+version = "1.0.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "crossbeam"
 version = "0.2.9"
@@ -47,6 +53,16 @@ name = "libc"
 version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "lodepng"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "c_vec 1.0.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rgb 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "memchr"
 version = "0.1.11"
@@ -85,6 +101,11 @@ name = "regex-syntax"
 version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "rgb"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "rustc-serialize"
 version = "0.3.19"

Cargo.toml

@@ -10,3 +10,4 @@ nom = "1.2"
 scoped_threadpool = "0.1"
 crossbeam = "0.2"
 num_cpus = "0.2"
+lodepng = "0.8"

example_scenes/cornell_box.psy

@@ -1,6 +1,6 @@
 Scene $Scene_fr1 {
     Output {
-        Path ["test_renders/cornell_box.ppm"]
+        Path ["test_renders/cornell_box.png"]
     }
     RenderSettings {
         Resolution [512 512]

example_scenes/cube.psy

@@ -1,6 +1,6 @@
 Scene $Scene_fr1 {
     Output {
-        Path ["test_renders/cube.ppm"]
+        Path ["test_renders/cube.png"]
     }
     RenderSettings {
         Resolution [960 540]

psychoblend/psy_export.py

@@ -316,47 +316,17 @@ class PsychoExporter:
                 time_meshes += [ob.to_mesh(self.scene, True, 'RENDER')]
 
         # Export mesh data if necessary
-        if export_mesh and ob.data.psychopath.is_subdivision_surface == False:
+        if export_mesh:
-            # Exporting normal mesh
+            if ob.data.psychopath.is_subdivision_surface == False:
-            self.mesh_names[mesh_name] = True
+                # Exporting normal mesh
-            self.w.write("Assembly $%s {\n" % escape_name(mesh_name))
+                self.mesh_names[mesh_name] = True
-            self.w.indent()
+                self.w.write("MeshSurface $%s {\n" % escape_name(mesh_name))
-
+                self.w.indent()
-            # Write patches
+            elif ob.data.psychopath.is_subdivision_surface == True:
-            polys = time_meshes[0].polygons
+                # Exporting subdivision surface cage
-            face_count = 0
+                self.mesh_names[mesh_name] = True
-            for poly in polys:
+                self.w.write("SubdivisionSurface $%s {\n" % escape_name(mesh_name))
-                face_count += 1
+                self.w.indent()
-                if len(poly.vertices) == 4:
-                    # Object
-                    self.w.write("BilinearPatch $%s.%d {\n" % (escape_name(mesh_name), face_count))
-                    self.w.indent()
-                    for i in range(len(time_meshes)):
-                        verts = time_meshes[i].vertices
-                        vstr = ""
-                        for vi in [poly.vertices[0], poly.vertices[1], poly.vertices[3], poly.vertices[2]]:
-                            v = verts[vi].co
-                            vstr += ("%f %f %f " % (v[0], v[1], v[2]))
-                        self.w.write("Vertices [%s]\n" % vstr[:-1])
-                    self.w.unindent()
-                    self.w.write("}\n")
-                    # Instance
-                    self.w.write("Instance {\n")
-                    self.w.indent()
-                    self.w.write("Data [$%s.%d]\n" % (escape_name(mesh_name), face_count))
-                    self.w.unindent()
-                    self.w.write("}\n")
-            for m in time_meshes:
-                bpy.data.meshes.remove(m)
-
-            # Assembly section end
-            self.w.unindent()
-            self.w.write("}\n")
-        elif export_mesh and ob.data.psychopath.is_subdivision_surface == True:
-            # Exporting subdivision surface cage
-            self.mesh_names[mesh_name] = True
-            self.w.write("SubdivisionSurface $%s {\n" % escape_name(mesh_name))
-            self.w.indent()
             
             # Write vertices
             for ti in range(len(time_meshes)):

src/image.rs

@@ -10,6 +10,8 @@ use std::cell::{RefCell, UnsafeCell};
 use std::mem;
 use std::cmp;
 
+use lodepng;
+
 use color::{XYZ, xyz_to_rec709e};
 
 #[derive(Debug)]
@@ -124,6 +126,32 @@ impl Image {
         // Done
         Ok(())
     }
+
+    pub fn write_png(&mut self, path: &Path) -> io::Result<()> {
+        let mut image = Vec::new();
+
+        // Convert pixels
+        for y in 0..self.res.1 {
+            for x in 0..self.res.0 {
+                let (r, g, b) = quantize_tri_255(xyz_to_srgbe(self.get(x, y).to_tuple()));
+                let d = lodepng::RGB::new(r, g, b);
+                image.push(d);
+            }
+        }
+
+        // Write file
+        if let Err(_) = lodepng::encode_file(path,
+                                             &image,
+                                             self.res.0,
+                                             self.res.1,
+                                             lodepng::ColorType::LCT_RGB,
+                                             8) {
+            panic!("Couldn't write PNG file.");
+        }
+
+        // Done
+        Ok(())
+    }
 }
 
 #[derive(Debug)]

src/main.rs

@@ -3,6 +3,7 @@ extern crate docopt;
 extern crate scoped_threadpool;
 extern crate crossbeam;
 extern crate num_cpus;
+extern crate lodepng;
 #[macro_use]
 extern crate nom;
 

src/renderer.rs

@@ -208,7 +208,7 @@ impl Renderer {
 
 
         // Write rendered image to disk
-        let _ = image.write_binary_ppm(Path::new(&self.output_file));
+        let _ = image.write_png(Path::new(&self.output_file));
     }
 }