Add sibenik scene to example app

* Sourced from McGuire Computer Graphics Archive
* New compiled materials from models are pointed to the textures directory by default
* New models are given a "material hint" for easier authoring, will be an seperate option later on
* Introduced model version 7

data/materials/DefaultMaterial.material

@@ -0,0 +1 @@
+{"color":{"asset_value":"","float_value":0.0,"name":"","type":0,"value":{"x":0.6000000238418579,"y":0.6000000238418579,"z":0.6000000238418579}},"version":3}

data/materials/kamen_zid.material

@@ -0,0 +1 @@
+{"color":{"asset_value":"textures/kamen.png","float_value":0.0,"name":"","type":2,"value":{"x":0.7341179847717285,"y":0.7305880188941956,"z":0.6741179823875427}},"version":3}

data/materials/kamen_zid_parapet.material

@@ -0,0 +1 @@
+{"color":{"asset_value":"textures/KAMEN-stup.png","float_value":0.0,"name":"","type":2,"value":{"x":0.7341179847717285,"y":0.7305880188941956,"z":0.6741179823875427}},"version":3}

data/materials/kamen_zid_prozor.material

@@ -0,0 +1 @@
+{"color":{"asset_value":"textures/kamen.png","float_value":0.0,"name":"","type":2,"value":{"x":0.7341179847717285,"y":0.7305880188941956,"z":0.6741179823875427}},"version":3}

data/materials/pod.material

@@ -0,0 +1 @@
+{"color":{"asset_value":"textures/mramor6x6.png","float_value":0.0,"name":"","type":2,"value":{"x":0.7341179847717285,"y":0.7094119787216187,"z":0.6741179823875427}},"version":3}

data/materials/pod_rub.material

@@ -0,0 +1 @@
+{"color":{"asset_value":"textures/kamen.png","float_value":0.0,"name":"","type":2,"value":{"x":0.7341179847717285,"y":0.7305880188941956,"z":0.6741179823875427}},"version":3}

data/materials/pod_tepih.material

@@ -0,0 +1 @@
+{"color":{"asset_value":"","float_value":0.0,"name":"","type":0,"value":{"x":1.0,"y":0.11999999731779099,"z":0.10000000149011612}},"version":3}

data/materials/rozeta.material

@@ -0,0 +1 @@
+{"color":{"asset_value":"textures/KAMEN-stup.png","float_value":0.0,"name":"","type":2,"value":{"x":0.7341179847717285,"y":0.7305880188941956,"z":0.6741179823875427}},"version":3}

data/materials/sprljci.material

@@ -0,0 +1 @@
+{"color":{"asset_value":"","float_value":0.0,"name":"","type":0,"value":{"x":0.784313976764679,"y":0.784313976764679,"z":0.784313976764679}},"version":3}

data/materials/staklo.material

@@ -0,0 +1 @@
+{"color":{"asset_value":"","float_value":0.0,"name":"","type":0,"value":{"x":0.0,"y":0.0,"z":0.0}},"version":3}

data/materials/staklo_crveno.material

@@ -0,0 +1 @@
+{"color":{"asset_value":"","float_value":0.0,"name":"","type":0,"value":{"x":0.44117599725723267,"y":0.10392200201749802,"z":0.04901999980211258}},"version":3}

data/materials/staklo_plavo.material

@@ -0,0 +1 @@
+{"color":{"asset_value":"","float_value":0.0,"name":"","type":0,"value":{"x":0.0,"y":0.0,"z":0.0}},"version":3}

data/materials/staklo_zeleno.material

@@ -0,0 +1 @@
+{"color":{"asset_value":"","float_value":0.0,"name":"","type":0,"value":{"x":0.0,"y":0.0,"z":0.0}},"version":3}

data/materials/staklo_zuto.material

@@ -0,0 +1 @@
+{"color":{"asset_value":"","float_value":0.0,"name":"","type":0,"value":{"x":0.0,"y":0.0,"z":0.0}},"version":3}

data/materials/stupovi.material

@@ -0,0 +1 @@
+{"color":{"asset_value":"textures/KAMEN-stup.png","float_value":0.0,"name":"","type":2,"value":{"x":0.7341179847717285,"y":0.7305880188941956,"z":0.6741179823875427}},"version":3}

data/materials/zid_vani.material

@@ -0,0 +1 @@
+{"color":{"asset_value":"textures/kamen.png","float_value":0.0,"name":"","type":2,"value":{"x":0.7341179847717285,"y":0.7305880188941956,"z":0.6741179823875427}},"version":3}

data/sibenik-license.txt

@@ -0,0 +1,4 @@
+The Sibenik model bundled with this program is licensed under CC BY-NC. Original copyright © 2002 Marko Dabrovic.
+
+Sourced from:
+    Morgan McGuire, Computer Graphics Archive, July 2017 (https://casual-effects.com/data)

engine/asset/include/asset_types.hpp

@@ -83,6 +83,7 @@ public:
         
         uint32_t index_offset = 0, vertex_offset = 0, index_count = 0;
         int32_t material_override = -1;
+        std::string material_hint;
     };
 
     std::vector<Part> parts;

engine/asset/src/asset.cpp

@@ -27,7 +27,7 @@ std::unique_ptr<Mesh> load_mesh(const prism::path path) {
     int version = 0;
     file->read(&version);
 
-    if(version == 5 || version == 6) {
+    if(version == 5 || version == 6 || version == 7) {
     } else {
         prism::log("{} failed the mesh version check! reported version = {}", path.string(), version);
         return nullptr;
@@ -154,7 +154,7 @@ std::unique_ptr<Mesh> load_mesh(const prism::path path) {
 
         file->read_string(p.name);
         
-        if(version == 6) {
+        if(version >= 6) {
             file->read(&p.bounding_box);
         }
         
@@ -176,6 +176,10 @@ std::unique_ptr<Mesh> load_mesh(const prism::path path) {
 
         file->read(&p.material_override);
 
+        if(version == 7) {
+            file->read_string(p.material_hint);
+        }
+
         vertexOffset += numVerts;
         indexOffset += p.index_count;
     }
@@ -265,6 +269,7 @@ std::unique_ptr<Material> load_material(const prism::path path) {
     auto property = j["color"];
     mat->colorProperty.value = property["value"];
     mat->colorProperty.float_value = property["float_value"];
+    mat->colorProperty.type = property["type"];
 
     if(!property["asset_value"].get<std::string>().empty()) {
         mat->colorProperty.value_tex = assetm->get<Texture>(prism::app_domain / property["asset_value"].get<std::string>());
@@ -285,6 +290,7 @@ void save_material(Material* material, const prism::path path) {
     p["value"] = material->colorProperty.value;
     p["asset_value"] = material->colorProperty.value_tex ? material->colorProperty.value_tex->path : "";
     p["float_value"] = material->colorProperty.float_value;
+    p["type"] = material->colorProperty.type;
 
     j["color"] = p;
 

example/src/example.cpp

@@ -24,15 +24,30 @@ void ExampleApp::initialize_render() {
 
     auto sun_obj = scene->add_object();
     auto& sun = scene->add<Light>(sun_obj);
-    sun.type = Light::Type::Sun;
+    sun.type = Light::Type::Point;
     auto& sun_trans = scene->get<Transform>(sun_obj);
-    sun_trans.position = {5, 5, 5};
+    sun_trans.position = {0, 5, -3};
+
+    auto second_sun_obj = scene->add_object();
+    auto& second_sun = scene->add<Light>(second_sun_obj);
+    second_sun.type = Light::Type::Point;
+    second_sun.color = {1, 0, 0};
+    scene->get<Transform>(second_sun_obj).position = {2, 3, 3};
 
     auto sphere_obj = scene->add_object();
     auto& sphere_render = scene->add<Renderable>(sphere_obj);
     sphere_render.mesh = assetm->get<Mesh>(prism::path(prism::app_domain / "models/sphere.model"));
     sphere_render.materials = { assetm->get<Material>(prism::path(prism::app_domain / "materials/Material.material")) };
 
-    auto probe_obj = scene->add_object();
-    scene->add<EnvironmentProbe>(probe_obj);
+    auto sibenik_obj = scene->add_object();
+    auto& sibenik_render = scene->add<Renderable>(sibenik_obj);
+    sibenik_render.mesh = assetm->get<Mesh>(prism::path(prism::app_domain / "models/sibenik.model"));
+    scene->get<Transform>(sibenik_obj).position.y = 13.5;
+
+    for(auto& part : sibenik_render.mesh->parts) {
+        sibenik_render.materials.push_back(assetm->get<Material>(prism::path(prism::app_domain / "materials" / (part.material_hint + ".material"))));
+    }
+
+    auto probe_obj = scene->add_object();
+    scene->add<EnvironmentProbe>(probe_obj).is_sized = false;
 }

tools/modelcompiler/src/modeleditor.cpp

@@ -141,7 +141,20 @@ aiVector3D getBoneScale(const aiScene* scene, const aiBone* bone) {
 
 void write_string(FILE* file, const aiString& str) {
     fwrite(&str.length, sizeof(unsigned int), 1, file);
+    if(str.length > 0) {
         fwrite(str.C_Str(), sizeof(char) * str.length, 1, file);
+        prism::log("writing string {}", str.C_Str());
+    }
+}
+
+void write_string(FILE* file, const std::string& str) {
+    unsigned int len = str.length();
+    fwrite(&len, sizeof(unsigned int), 1, file);
+
+    if(str.length() > 0) {
+        fwrite(str.c_str(), sizeof(char) * len, 1, file);
+        prism::log("writing string {}", str.c_str());
+    }
 }
 
 void ModelEditor::compile_model() {
@@ -196,7 +209,7 @@ void ModelEditor::compile_model() {
 
     FILE* file = fopen((data_path + "/models/" + name + ".model").c_str(), "wb");
 
-    int version = 6;
+    int version = 7;
     fwrite(&version, sizeof(int), 1, file);
     
     std::vector<std::string> meshToMaterial;
@@ -299,11 +312,11 @@ void ModelEditor::compile_model() {
         }
     };
     
-    write_buffer(positions, sizeof(aiVector3D));
-    write_buffer(normals, sizeof(aiVector3D));
-    write_buffer(texture_coords, sizeof(aiVector2D));
-    write_buffer(tangents, sizeof(aiVector3D));
-    write_buffer(bitangents, sizeof(aiVector3D));
+    write_buffer(positions, sizeof(prism::float3));
+    write_buffer(normals, sizeof(prism::float3));
+    write_buffer(texture_coords, sizeof(prism::float2));
+    write_buffer(tangents, sizeof(prism::float3));
+    write_buffer(bitangents, sizeof(prism::float3));
 
     if(mesh_type == MeshType::Skinned)
         write_buffer(bone_vertex_data, sizeof(BoneVertexData));
@@ -397,6 +410,8 @@ void ModelEditor::compile_model() {
 
         int material_override = matNameToIndex[meshToMaterial[i]];
         fwrite(&material_override, sizeof(int), 1, file);
+
+        write_string(file, meshToMaterial[i]);
     }
 
     fclose(file);
@@ -405,11 +420,6 @@ void ModelEditor::compile_model() {
         for(int i = 0; i < sc->mNumMaterials; i++) {
             auto path = data_path + "/materials/" + sc->mMaterials[i]->GetName().C_Str() + ".material";
 
-            // skip materials that already exist
-            std::ifstream infile(path);
-            if(infile.good())
-                continue;
-
             Material mat;
 
             aiColor4D color;
@@ -422,7 +432,8 @@ void ModelEditor::compile_model() {
             if(aiReturn_SUCCESS == aiGetMaterialTexture(sc->mMaterials[i], aiTextureType_DIFFUSE, 0, &diffuse_path)) {
                 mat.colorProperty.type = DataType::AssetTexture;
                 mat.colorProperty.value_tex.handle = new Texture();
-                mat.colorProperty.value_tex->path = diffuse_path.C_Str();
+                mat.colorProperty.value_tex->path = std::string("textures/") + diffuse_path.C_Str();
+                mat.colorProperty.type = DataType::AssetTexture;
             }
 
             save_material(&mat, path);