Remove the 3d-"batched" rendering

examples/dev_testing/src/main.cpp

@@ -77,9 +77,6 @@ int main(int argc, char *argv[]) {
     // Load core shaders from SimpleEngine resources
     se::gfx::shaders::Core3dShader core_shader;
 
-    auto light = std::make_shared<se::gfx::Light>(core_shader, glm::vec3(0.f, 1.f, -10.f), glm::vec3(1.f, 1.f, 1.f));
-    game.add_event(light);
-
     auto white_texture = se::gfx::Texture::white_texture();
     // white_texture.shine_damper = 10;
     //white_texture.reflectivity = 1;
@@ -183,16 +180,20 @@ int main(int argc, char *argv[]) {
     //entity.add_component<se::ModelComponent>("examples/dev_testing/resources/stall.obj");
     
     // Backpack model required vertically flipped texture coords.
-    auto& model_comp = entity.add_component<se::ModelComponent>("examples/dev_testing/resources/backpack/backpack.obj");
-    model_comp.model.vertically_flip_tex_coords();
+    /* auto& model_comp = entity.add_component<se::ModelComponent>("examples/dev_testing/resources/backpack/backpack.obj");
+    model_comp.model.vertically_flip_tex_coords(); */
+
+    //entity.add_component<se::ModelComponent>("examples/dev_testing/resources/viper/viper.obj");
+    entity.add_component<se::ModelComponent>("examples/dev_testing/resources/halo/halo.fbx");
 
     //entity.add_component<se::ModelComponent>("examples/dev_testing/resources/scientist/scientist.fbx");
     //entity.add_component<se::ModelComponent>("examples/dev_testing/resources/paradigm/paradigm.fbx");
     //entity.add_component<se::RotatingComponent>();
     auto& transform_comp = entity.add_component<se::TransformComponent>();
-    transform_comp.translate(15.f, -8.f, 0.f);
-    /* transform_comp.scale(0.1f);
-    transform_comp.rotate_z(-90.f);*/
+    transform_comp.translate(7.f, -4.f, 0.f);
+    transform_comp.scale(0.05f);
+    //transform_comp.rotate_z(-90.f);
+    transform_comp.rotate_y(-90.f);
     transform_comp.rotate_x(-90.f);
     
 
@@ -208,6 +209,9 @@ int main(int argc, char *argv[]) {
     auto camera = std::make_shared<se::Camera>(game.get_window(), core_shader, 70, glm::vec3(0, 0, 0));
     game.add_event(camera);
 
+    auto light = std::make_shared<se::gfx::Light>(core_shader, glm::vec3(-10.f, 0.f, 0.f), glm::vec3(1.f, 1.f, 1.f));
+    game.add_event(light);
+
     auto fps_counter = std::make_shared<FPSCounterEvent>();
     game.add_event(fps_counter);
 

resources/shaders/core/3d/fragment_core.glsl

@@ -4,7 +4,6 @@ in vec3 vs_position;
 in vec3 vs_color;
 in vec3 vs_normal;
 in vec2 vs_texcoord;
-flat in float vs_tex_id; // < 0 is reserved for solid colored objects.
 
 in mat4 vs_transform;
 in vec3 vs_to_light;
@@ -29,17 +28,13 @@ void main() {
     float brightness = max(dot_prod, 0.f);
     vec3 diffuse = brightness * light_color;
 
-    if (vs_tex_id > -1) {
-        int id = int(vs_tex_id);
+    // Calculate the specular
+    float shine_damper = u_texture_shine[0];
+    float reflectivity = u_texture_reflectivity[0];
+    vec3 final_specular = calculate_specular(unit_normal, shine_damper, reflectivity);
     
-        float shine_damper = u_texture_shine[id];
-        float reflectivity = u_texture_reflectivity[id];
-        vec3 final_specular = calculate_specular(unit_normal, shine_damper, reflectivity);
-        
-        fs_color = vec4(diffuse, 1.f) * texture(u_textures[id], vs_texcoord) + vec4(final_specular, 1.f);
-    } else {
-        fs_color = vec4(vs_color, 1.f); // We don't add any reflectivity to solid colored vectors.
-    }
+    // Combine diffuse lighting, specular, and the texture into one color.
+    fs_color = vec4(diffuse, 1.f) * texture(u_textures[0], vs_texcoord) + vec4(final_specular, 1.f);
 }
 
 vec3 calculate_specular(vec3 unit_normal, float shine_damper, float reflectivity) {

resources/shaders/core/3d/vertex_core.glsl

@@ -4,13 +4,11 @@ layout (location = 0) in vec3 vertex_position;
 layout (location = 1) in vec3 vertex_color;
 layout (location = 2) in vec3 vertex_normal;
 layout (location = 3) in vec2 vertex_texcoord;
-layout (location = 4) in float vertex_tex_id;
 
 out vec3 vs_position;
 out vec3 vs_color;
 out vec3 vs_normal;
 out vec2 vs_texcoord;
-flat out float vs_tex_id;
 
 out mat4 vs_transform;
 out vec3 vs_to_light;
@@ -30,9 +28,6 @@ void main() {
     vs_texcoord = vertex_texcoord;
     vs_color = vertex_color;
 
-    vs_tex_id = vertex_tex_id;
-
-
     gl_Position = projection_matrix * view_matrix * world_pos;
     
     vs_normal = (transform_matrix * vec4(vertex_normal, 0.f)).xyz;

src/gfx/model.cpp

@@ -68,17 +68,19 @@ namespace simpleengine::gfx {
         for (unsigned int i = 0; i < mesh->mNumVertices; i++) {
             LitVertex vertex;
             vertex.color = glm::vec3(1.f);
-            vertex.texture_id = 0;
+            vertex.texture_id = 0; // TODO
 
             simpleengine::Vectorf position(mesh->mVertices[i].x, mesh->mVertices[i].y, mesh->mVertices[i].z);
             vertex.position = position;
 
+            // Only process normals if they exist.
             if (mesh->HasNormals()) {
                 glm::vec3 normal(mesh->mNormals[i].x, mesh->mNormals[i].y, mesh->mNormals[i].z);
                 vertex.normal = normal;
             }
 
-            if (mesh->mTextureCoords[0]) {
+            // Only process texture coords if they exist.
+            if (mesh->HasTextureCoords(0)) {
                 glm::vec2 tex_coord(mesh->mTextureCoords[0][i].x, mesh->mTextureCoords[0][i].y);
 
                 vertex.tex_coord = tex_coord;