From 8057bca81891ef8e31b3b72ade6b75f84fc831d2 Mon Sep 17 00:00:00 2001
From: Cyberarm <matthewlikesrobots@gmail.com>
Date: Sun, 30 May 2021 14:10:32 +0000
Subject: [PATCH] Added rendered vertices count to OpenGLRenderer

---
 lib/cyberarm_engine/model.rb                           | 7 ++++++-
 lib/cyberarm_engine/opengl/renderer/opengl_renderer.rb | 9 +++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/lib/cyberarm_engine/model.rb b/lib/cyberarm_engine/model.rb
index 494febd..85fc32a 100644
--- a/lib/cyberarm_engine/model.rb
+++ b/lib/cyberarm_engine/model.rb
@@ -3,7 +3,8 @@ module CyberarmEngine
     attr_accessor :objects, :materials, :vertices, :uvs, :texures, :normals, :faces, :colors, :bones, :material_file,
                   :current_material, :current_object, :vertex_count, :smoothing
     attr_reader :position, :bounding_box, :textured_material, :file_path, :positions_buffer_id, :colors_buffer_id,
-                :normals_buffer_id, :uvs_buffer_id, :textures_buffer_id, :vertex_array_id, :aabb_tree
+                :normals_buffer_id, :uvs_buffer_id, :textures_buffer_id, :vertex_array_id, :aabb_tree,
+                :vertices_count
 
     def initialize(file_path:)
       @file_path = file_path
@@ -23,6 +24,8 @@ module CyberarmEngine
       @bones    = []
       @smoothing = 0
 
+      @vertices_count = 0
+
       @bounding_box = BoundingBox.new
       start_time = Process.clock_gettime(Process::CLOCK_MONOTONIC, :float_millisecond)
 
@@ -32,6 +35,8 @@ module CyberarmEngine
 
       parse(parser)
 
+      @vertices_count = @vertices.size
+
       @has_texture = false
 
       @materials.each do |_key, material|
diff --git a/lib/cyberarm_engine/opengl/renderer/opengl_renderer.rb b/lib/cyberarm_engine/opengl/renderer/opengl_renderer.rb
index d60fcb6..0ac52a3 100644
--- a/lib/cyberarm_engine/opengl/renderer/opengl_renderer.rb
+++ b/lib/cyberarm_engine/opengl/renderer/opengl_renderer.rb
@@ -3,12 +3,15 @@ module CyberarmEngine
     @@immediate_mode_warning = false
 
     attr_accessor :show_wireframe
+    attr_reader :number_of_vertices
 
     def initialize(width:, height:, show_wireframe: false)
       @width = width
       @height = height
       @show_wireframe = show_wireframe
 
+      @number_of_vertices = 0
+
       @g_buffer = GBuffer.new(width: @width, height: @height)
     end
 
@@ -20,6 +23,8 @@ module CyberarmEngine
     end
 
     def render(camera, lights, entities)
+      @number_of_vertices = 0
+
       glViewport(0, 0, @width, @height)
       glEnable(GL_DEPTH_TEST)
 
@@ -44,6 +49,8 @@ module CyberarmEngine
             gl_error?
             draw_model(entity.model, shader)
             entity.draw
+
+            @number_of_vertices += entity.model.vertices_count
           end
         end
 
@@ -90,6 +97,8 @@ module CyberarmEngine
           draw_mesh(entity.model)
           entity.draw
           glPopMatrix
+
+          @number_of_vertices += entity.model.vertices_count
         end
       end