Bump version

assets/shaders/fragment/g_buffer.glsl

@@ -5,25 +5,25 @@ layout (location = 1) out vec4 fragColor;
 layout (location = 2) out vec3 fragNormal;
 layout (location = 3) out vec3 fragUV;
 
-in vec3 outPosition, outColor, outNormal, outUV, outFragPos, outCameraPos;
+in vec3 out_position, out_color, out_normal, out_uv, out_frag_pos, out_camera_pos;
 out vec4 outputFragColor;
-flat in int outHasTexture;
+flat in int out_has_texture;
 
 uniform sampler2D diffuse_texture;
 
 void main() {
   vec3 result;
 
-  if (outHasTexture == 0) {
-    result = outColor;
+  if (out_has_texture == 0) {
+    result = out_color;
   } else {
-    result = texture(diffuse_texture, outUV.xy).xyz + 0.25;
+    result = texture(diffuse_texture, out_uv.xy).xyz + 0.25;
   }
 
-  fragPosition = outPosition;
+  fragPosition = out_position;
   fragColor = vec4(result, 1.0);
-  fragNormal = outNormal;
-  fragUV = outUV;
+  fragNormal = out_normal;
+  fragUV = out_uv;
 
   float gamma = 2.2;
   outputFragColor.rgb = pow(fragColor.rgb, vec3(1.0 / gamma));

assets/shaders/fragment/lighting.glsl

@@ -1,22 +1,23 @@
 #version 330 core
-out vec4 FragColor;
+out vec4 frag_color;
 
 @include "light_struct"
 const int DIRECTIONAL = 0;
 const int POINT = 1;
 const int SPOT = 2;
 
-in vec2 outTexCoords;
-flat in Light outLight[1];
+flat in Light out_lights[7];
+in vec2 out_tex_coords;
+flat in int out_light_count;
 
 uniform sampler2D diffuse, position, texcoord, normal, depth;
 
 vec4 directionalLight(Light light) {
-  vec3 norm = normalize(texture(normal, outTexCoords).rgb);
-  vec3 diffuse_color = texture(diffuse, outTexCoords).rgb;
-  vec3 fragPos = texture(position, outTexCoords).rgb;
+  vec3 norm = normalize(texture(normal, out_tex_coords).rgb);
+  vec3 diffuse_color = texture(diffuse, out_tex_coords).rgb;
+  vec3 frag_pos = texture(position, out_tex_coords).rgb;
 
-  vec3 lightDir = normalize(light.position - fragPos);
+  vec3 lightDir = normalize(light.position - frag_pos);
   float diff = max(dot(norm, lightDir), 0);
 
   vec3 _ambient = light.ambient;
@@ -59,5 +60,10 @@ vec4 calculateLighting(Light light) {
 }
 
 void main() {
-  FragColor = texture(diffuse, outTexCoords) * calculateLighting(outLight[0]);
-}
+  frag_color = vec4(0.0);
+
+  for(int i = 0; i < out_light_count; i++)
+  {
+    frag_color += texture(diffuse, out_tex_coords) * calculateLighting(out_lights[i]);
+  }
+}

assets/shaders/include/material_struct.glsl

@@ -0,0 +1,16 @@
+struct Material {
+  vec3 color;
+  vec3 roughness;
+  vec3 metalic;
+  vec3 specular;
+
+  bool use_color_texture;
+  bool use_roughness_texture;
+  bool use_metalic_texture;
+  bool use_specular_texture;
+
+  sampler2D color_tex;
+  sampler2D roughness_tex;
+  sampler2D metalic_tex;
+  sampler2D specular_tex;
+};

assets/shaders/vertex/g_buffer.glsl

@@ -1,28 +1,28 @@
 # version 330 core
 
-layout(location = 0) in vec3 inPosition;
-layout(location = 1) in vec3 inColor;
-layout(location = 2) in vec3 inNormal;
-layout(location = 3) in vec3 inUV;
+layout(location = 0) in vec3 in_position;
+layout(location = 1) in vec3 in_color;
+layout(location = 2) in vec3 in_normal;
+layout(location = 3) in vec3 in_uv;
 
 uniform mat4 projection, view, model;
-uniform int hasTexture;
-uniform vec3 cameraPos;
+uniform int has_texture;
+uniform vec3 camera_pos;
 
-out vec3 outPosition, outColor, outNormal, outUV;
-out vec3 outFragPos, outViewPos, outCameraPos;
-flat out int outHasTexture;
+out vec3 out_position, out_color, out_normal, out_uv;
+out vec3 out_frag_pos, out_view_pos, out_camera_pos;
+flat out int out_has_texture;
 
 void main() {
   // projection * view * model * position
-  outPosition = inPosition;
-  outColor = inColor;
-  outNormal= normalize(transpose(inverse(mat3(model))) * inNormal);
-  outUV    = inUV;
-  outHasTexture = hasTexture;
-  outCameraPos = cameraPos;
+  out_position = in_position;
+  out_color = in_color;
+  out_normal= normalize(transpose(inverse(mat3(model))) * in_normal);
+  out_uv    = in_uv;
+  out_has_texture = has_texture;
+  out_camera_pos = camera_pos;
 
-  outFragPos = vec3(model * vec4(inPosition, 1.0));
+  out_frag_pos = vec3(model * vec4(in_position, 1.0));
 
-  gl_Position = projection * view * model * vec4(inPosition, 1.0);
+  gl_Position = projection * view * model * vec4(in_position, 1.0);
 }

assets/shaders/vertex/lighting.glsl

@@ -1,17 +1,24 @@
 #version 330 core
 @include "light_struct"
 
-layout (location = 0) in vec3 inPosition;
-layout (location = 1) in vec2 inTexCoords;
+layout (location = 0) in vec3 in_position;
+layout (location = 1) in vec2 in_tex_coords;
 
 uniform sampler2D diffuse, position, texcoord, normal, depth;
-uniform Light light[1];
+uniform int light_count;
+uniform Light lights[7];
 
-out vec2 outTexCoords;
-flat out Light outLight[1];
+out vec2 out_tex_coords;
+flat out int out_light_count;
+flat out Light out_lights[7];
 
 void main() {
-  gl_Position = vec4(inPosition.x, inPosition.y, inPosition.z, 1.0);
-  outTexCoords = inTexCoords;
-  outLight = light;
-}
+  gl_Position = vec4(in_position.x, in_position.y, in_position.z, 1.0);
+  out_tex_coords = in_tex_coords;
+  out_light_count = light_count;
+
+  for(int i = 0; i < light_count; i++)
+  {
+    out_lights[i] = lights[i];
+  }
+}

lib/cyberarm_engine.rb

@@ -7,13 +7,19 @@ else
 end
 require "json"
 require "excon"
-require "gosu_more_drawables"
 
 require_relative "cyberarm_engine/version"
 require_relative "cyberarm_engine/stats"
 
 require_relative "cyberarm_engine/common"
 
+require_relative "cyberarm_engine/gosu_ext/draw_arc"
+require_relative "cyberarm_engine/gosu_ext/draw_circle"
+require_relative "cyberarm_engine/gosu_ext/draw_path"
+
+require_relative "cyberarm_engine/notification"
+require_relative "cyberarm_engine/notification_manager"
+
 require_relative "cyberarm_engine/game_object"
 require_relative "cyberarm_engine/window"
 

lib/cyberarm_engine/gosu_ext/draw_arc.rb

@@ -0,0 +1,98 @@
+module Gosu
+  # Draw an arc around the point x and y.
+  #
+  # Color accepts the following: *Gosu::Color*, *Array* (with 2 colors), or a *Hash* with keys: _from:_ and _to:_ both colors.
+  #
+  # With a *Gosu::Color* the arc will be painted with color
+  #
+  # With an *Array* the first *Gosu::Color* with be the innermost color and the last *Gosu::Color* with be the outermost color
+  #
+  # With a *Hash* the arc will smoothly transition from the start of the arc to the end
+  # @example
+  #   # Using a Hash
+  #   Gosu.draw_arc(100, 100, 50, 0.5, 128, 4, {from: Gosu::Color::BLUE, to: Gosu::Color::GREEN}, 0, :default)
+  #
+  #   # Using an Array
+  #   Gosu.draw_arc(100, 100, 50, 0.5, 128, 4, [Gosu::Color::BLUE, Gosu::Color::GREEN], 0, :default)
+  #
+  #   # Using a Gosu::Color
+  #   Gosu.draw_arc(100, 100, 50, 0.5, 128, 4, Gosu::Color::BLUE, 0, :default)
+  #
+  #
+  # @param x X position.
+  # @param y Y position.
+  # @param radius radius of arc, in pixels.
+  # @param percentage how complete the segment is, _0.0_ is 0% and _1.0_ is 100%.
+  # @param segments how many segments for arc, more will appear smoother, less will appear jagged.
+  # @param thickness how thick arc will be.
+  # @param color [Gosu::Color, Array<Gosu::Color, Gosu::Color>, Hash{from: start_color, to: end_color}] color or colors to draw the arc with.
+  # @param z Z position.
+  # @param mode blend mode.
+  #
+  # @note _thickness_ is subtracted from radius, meaning that the arc will grow towards the origin, not away from it.
+  #
+  # @return [void]
+  def self.draw_arc(x, y, radius, percentage = 1.0, segments = 128, thickness = 4, color = Gosu::Color::WHITE, z = 0, mode = :default)
+    segments = 360.0 / segments
+
+    return if percentage == 0.0
+
+    0.step((359 * percentage), percentage > 0 ? segments : -segments) do |angle|
+      angle2 = angle + segments
+
+      point_a_left_x = x + Gosu.offset_x(angle, radius - thickness)
+      point_a_left_y = y + Gosu.offset_y(angle, radius - thickness)
+
+      point_a_right_x = x + Gosu.offset_x(angle2, radius - thickness)
+      point_a_right_y = y + Gosu.offset_y(angle2, radius - thickness)
+
+      point_b_left_x = x + Gosu.offset_x(angle, radius)
+      point_b_left_y = y + Gosu.offset_y(angle, radius)
+
+      point_b_right_x = x + Gosu.offset_x(angle2, radius)
+      point_b_right_y = y + Gosu.offset_y(angle2, radius)
+
+      if color.is_a?(Array)
+        Gosu.draw_quad(
+          point_a_left_x, point_a_left_y, color.first,
+          point_b_left_x, point_b_left_y, color.last,
+          point_a_right_x, point_a_right_y, color.first,
+          point_b_right_x, point_b_right_y, color.last,
+          z, mode
+        )
+      elsif color.is_a?(Hash)
+        start_color = color[:from]
+        end_color = color[:to]
+
+        color_a = Gosu::Color.rgba(
+          (end_color.red - start_color.red) * (angle / 360.0) + start_color.red,
+          (end_color.green - start_color.green) * (angle / 360.0) + start_color.green,
+          (end_color.blue - start_color.blue) * (angle / 360.0) + start_color.blue,
+          (end_color.alpha - start_color.alpha) * (angle / 360.0) + start_color.alpha,
+        )
+        color_b = Gosu::Color.rgba(
+          (end_color.red - start_color.red) * (angle2 / 360.0) + start_color.red,
+          (end_color.green - start_color.green) * (angle2 / 360.0) + start_color.green,
+          (end_color.blue - start_color.blue) * (angle2 / 360.0) + start_color.blue,
+          (end_color.alpha - start_color.alpha) * (angle2 / 360.0) + start_color.alpha,
+        )
+
+        Gosu.draw_quad(
+          point_a_left_x, point_a_left_y, color_a,
+          point_b_left_x, point_b_left_y, color_a,
+          point_a_right_x, point_a_right_y, color_b,
+          point_b_right_x, point_b_right_y, color_b,
+          z, mode
+        )
+      else
+        Gosu.draw_quad(
+          point_a_left_x, point_a_left_y, color,
+          point_b_left_x, point_b_left_y, color,
+          point_a_right_x, point_a_right_y, color,
+          point_b_right_x, point_b_right_y, color,
+          z, mode
+        )
+      end
+    end
+  end
+end

lib/cyberarm_engine/gosu_ext/draw_circle.rb

@@ -0,0 +1,31 @@
+module Gosu
+  ##
+  # Draw a filled circled around point X and Y.
+  #
+  # @param x X position.
+  # @param y Y position.
+  # @param radius radius of circle, in pixels.
+  # @param step_size resolution of circle, more steps will apear smoother, less will appear jagged.
+  # @param color color to draw circle with.
+  # @param mode blend mode.
+  #
+  # @return [void]
+  def self.draw_circle(x, y, radius, step_size = 36, color = Gosu::Color::WHITE, z = 0, mode = :default)
+    step_size = (360.0 / step_size).floor
+
+    0.step(359, step_size) do |angle|
+      angle2 = angle + step_size
+
+      point_lx = x + Gosu.offset_x(angle, radius)
+      point_ly = y + Gosu.offset_y(angle, radius)
+      point_rx = x + Gosu.offset_x(angle2, radius)
+      point_ry = y + Gosu.offset_y(angle2, radius)
+
+      Gosu.draw_triangle(
+        point_lx, point_ly, color,
+	      point_rx, point_ry, color,
+	      x, y, color, z, mode
+      )
+    end
+  end
+end

lib/cyberarm_engine/gosu_ext/draw_path.rb

@@ -0,0 +1,17 @@
+module Gosu
+  PathNode = Struct.new(:x, :y)
+
+  def self.draw_path(nodes, color = Gosu::Color::WHITE, z = 0, mode = :default)
+    last_node = nodes.first
+
+    nodes[1..nodes.size - 1].each do |current_node|
+      Gosu.draw_line(
+        last_node.x, last_node.y, color,
+        current_node.x, current_node.y, color,
+        z, mode
+      )
+
+      last_node = current_node
+    end
+  end
+end

lib/cyberarm_engine/model.rb

@@ -49,9 +49,9 @@ module CyberarmEngine
 
       @objects.each { |o| @vertex_count += o.vertices.size }
 
-      start_time = Process.clock_gettime(Process::CLOCK_MONOTONIC, :float_millisecond)
-      build_collision_tree
-      puts "    Building mesh collision tree took #{((Process.clock_gettime(Process::CLOCK_MONOTONIC, :float_millisecond) - start_time) / 1000.0).round(2)} seconds"
+      # start_time = Process.clock_gettime(Process::CLOCK_MONOTONIC, :float_millisecond)
+      # build_collision_tree
+      # puts "    Building mesh collision tree took #{((Process.clock_gettime(Process::CLOCK_MONOTONIC, :float_millisecond) - start_time) / 1000.0).round(2)} seconds"
     end
 
     def parse(parser)
@@ -151,24 +151,24 @@ module CyberarmEngine
       glBindBuffer(GL_ARRAY_BUFFER, @positions_buffer_id)
       gl_error?
 
-      #                     inPosition
+      #                     in_position
       glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, nil)
       gl_error?
       # colors
       glBindBuffer(GL_ARRAY_BUFFER, @colors_buffer_id)
-      #                     inColor
+      #                     in_color
       glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 0, nil)
       gl_error?
       # normals
       glBindBuffer(GL_ARRAY_BUFFER, @normals_buffer_id)
-      #                     inNormal
+      #                     in_normal
       glVertexAttribPointer(2, 4, GL_FLOAT, GL_FALSE, 0, nil)
       gl_error?
 
       if has_texture?
         # uvs
         glBindBuffer(GL_ARRAY_BUFFER, @uvs_buffer_id)
-        #                     inUV
+        #                     in_uv
         glVertexAttribPointer(3, 3, GL_FLOAT, GL_FALSE, 0, nil)
         gl_error?
       end

lib/cyberarm_engine/notification.rb

@@ -0,0 +1,83 @@
+module CyberarmEngine
+  class Notification
+    WIDTH = 500
+    HEIGHT = 64
+    EDGE_WIDTH = 8
+    TRANSITION_DURATION = 750
+    PADDING = 8
+
+    TTL_LONG   = 5_000
+    TTL_MEDIUM = 3_250
+    TTL_SHORT  = 1_500
+    TIME_TO_LIVE = TTL_MEDIUM
+
+    BACKGROUND_COLOR = Gosu::Color.new(0xaa313533)
+    EDGE_COLOR    = Gosu::Color.new(0xaa010101)
+    ICON_COLOR    = Gosu::Color.new(0xddffffff)
+    TITLE_COLOR   = Gosu::Color.new(0xddffffff)
+    TAGLINE_COLOR = Gosu::Color.new(0xddaaaaaa)
+
+    TITLE_SIZE = 28
+    TAGLINE_SIZE = 18
+    ICON_SIZE = HEIGHT - PADDING * 2
+
+    TITLE_FONT = Gosu::Font.new(TITLE_SIZE, bold: true)
+    TAGLINE_FONT = Gosu::Font.new(TAGLINE_SIZE)
+
+    PRIORITY_HIGH   = 1.0
+    PRIORITY_MEDIUM = 0.5
+    PRIORITY_LOW    = 0.0
+
+    LINEAR_TRANSITION = :linear
+    EASE_IN_OUT_TRANSITION = :ease_in_out
+
+    attr_reader :priority, :title, :tagline, :icon, :time_to_live, :transition_duration, :transition_type
+    def initialize(
+      host:, priority:, title:, title_color: TITLE_COLOR, tagline: "", tagline_color: TAGLINE_COLOR, icon: nil, icon_color: ICON_COLOR,
+      edge_color: EDGE_COLOR, background_color: BACKGROUND_COLOR, time_to_live: TIME_TO_LIVE, transition_duration: TRANSITION_DURATION,
+      transition_type: EASE_IN_OUT_TRANSITION
+    )
+      @host = host
+
+      @priority = priority
+      @title = title
+      @title_color = title_color
+      @tagline = tagline
+      @tagline_color = tagline_color
+      @icon = icon
+      @icon_color = icon_color
+      @edge_color = edge_color
+      @background_color = background_color
+      @time_to_live = time_to_live
+      @transition_duration = transition_duration
+      @transition_type = transition_type
+
+      @icon_scale = ICON_SIZE.to_f / @icon.width if @icon
+    end
+
+    def draw
+      Gosu.draw_rect(0, 0, WIDTH, HEIGHT, @background_color)
+
+      if @host.edge == :top
+        Gosu.draw_rect(0, HEIGHT - EDGE_WIDTH, WIDTH, EDGE_WIDTH, @edge_color)
+        @icon.draw(EDGE_WIDTH + PADDING, PADDING, 0, @icon_scale, @icon_scale, @icon_color) if @icon
+
+      elsif @host.edge == :bottom
+        Gosu.draw_rect(0, 0, WIDTH, EDGE_WIDTH, @edge_color)
+        @icon.draw(EDGE_WIDTH + PADDING, PADDING, 0, @icon_scale, @icon_scale, @icon_color) if @icon
+
+      elsif @host.edge == :right
+        Gosu.draw_rect(0, 0, EDGE_WIDTH, HEIGHT, @edge_color)
+        @icon.draw(EDGE_WIDTH + PADDING, PADDING, 0, @icon_scale, @icon_scale, @icon_color) if @icon
+
+      else
+        Gosu.draw_rect(WIDTH - EDGE_WIDTH, 0, EDGE_WIDTH, HEIGHT, @edge_color)
+        @icon.draw(PADDING, PADDING, 0, @icon_scale, @icon_scale, @icon_color) if @icon
+      end
+
+      icon_space = @icon ? ICON_SIZE + PADDING : 0
+      TITLE_FONT.draw_text(@title, PADDING + EDGE_WIDTH + icon_space, PADDING, 0, 1, 1, @title_color)
+      TAGLINE_FONT.draw_text(@tagline, PADDING + EDGE_WIDTH + icon_space, PADDING + TITLE_FONT.height, 0, 1, 1, @tagline_color)
+    end
+  end
+end

lib/cyberarm_engine/notification_manager.rb

@@ -0,0 +1,242 @@
+module CyberarmEngine
+  class NotificationManager
+    EDGE_TOP = :top
+    EDGE_BOTTOM = :bottom
+    EDGE_RIGHT = :right
+    EDGE_LEFT = :left
+
+    MODE_DEFAULT = :slide
+    MODE_CIRCLE  = :circle
+
+    attr_reader :edge, :mode, :max_visible, :notifications
+    def initialize(edge: EDGE_RIGHT, mode: MODE_DEFAULT, window:, max_visible: 1)
+      @edge = edge
+      @mode = mode
+      @window = window
+      @max_visible = max_visible
+
+      @notifications = []
+      @drivers = []
+      @slots = Array.new(max_visible, nil)
+    end
+
+    def draw
+      @drivers.each do |driver|
+        case @edge
+        when :left, :right
+          x = @edge == :right ? @window.width + driver.x : -Notification::WIDTH + driver.x
+          y = driver.y + Notification::HEIGHT / 2
+
+          Gosu.translate(x, y + (Notification::HEIGHT + Notification::PADDING) * driver.slot) do
+            driver.draw
+          end
+
+        when :top, :bottom
+          x = @window.width / 2 - Notification::WIDTH / 2
+          y = @edge == :top ? driver.y - Notification::HEIGHT : @window.height + driver.y
+          slot_position = (Notification::HEIGHT + Notification::PADDING) * driver.slot
+          slot_position *= -1 if @edge == :bottom
+
+          Gosu.translate(x, y + slot_position) do
+            driver.draw
+          end
+        end
+      end
+    end
+
+    def update
+      show_next_notification if @drivers.size < @max_visible
+      @drivers.each do |driver|
+        if driver.done?
+          @slots[driver.slot] = nil
+          @drivers.delete(driver)
+        end
+      end
+
+      @drivers.each(&:update)
+    end
+
+    def show_next_notification
+      notification = @notifications.sort { |n| n.priority }.reverse.shift
+      return unless notification
+      return if available_slot_index < lowest_used_slot
+      @notifications.delete(notification)
+
+      @drivers << Driver.new(edge: @edge, mode: @mode, notification: notification, slot: available_slot_index)
+      slot = @slots[available_slot_index] = @drivers.last
+    end
+
+    def available_slot_index
+      @slots.each_with_index do |slot, i|
+        return i unless slot
+      end
+
+      return -1
+    end
+
+    def lowest_used_slot
+      @slots.each_with_index do |slot, i|
+        return i if slot
+      end
+
+      return -1
+    end
+
+    def highest_used_slot
+      _slot = -1
+      @slots.each_with_index do |slot, i|
+        _slot = i if slot
+      end
+
+      return _slot
+    end
+
+    def create_notification(**args)
+      notification = Notification.new(host: self, **args)
+      @notifications << notification
+    end
+
+    class Driver
+      attr_reader :x, :y, :notification, :slot
+      def initialize(edge:, mode:, notification:, slot:)
+        @edge = edge
+        @mode = mode
+        @notification = notification
+        @slot = slot
+
+        @x, @y = 0, 0
+        @delta = Gosu.milliseconds
+        @accumulator = 0.0
+
+        @born_at = Gosu.milliseconds
+        @duration_completed_at = Float::INFINITY
+        @transition_completed_at = Float::INFINITY
+      end
+
+      def transition_in_complete?
+        Gosu.milliseconds - @born_at >= @notification.transition_duration
+      end
+
+      def duration_completed?
+        Gosu.milliseconds - @transition_completed_at >= @notification.time_to_live
+      end
+
+      def done?
+        Gosu.milliseconds - @duration_completed_at >= @notification.transition_duration
+      end
+
+      def draw
+        ratio = 0.0
+
+        if not transition_in_complete?
+          ratio = animation_ratio
+        elsif transition_in_complete? and not duration_completed?
+          ratio = 1.0
+        elsif duration_completed?
+          ratio = 1.0 - animation_ratio
+        end
+
+        case @mode
+        when MODE_DEFAULT
+          Gosu.clip_to(0, 0, Notification::WIDTH, Notification::HEIGHT * ratio) do
+            @notification.draw
+          end
+        when MODE_CIRCLE
+          half = Notification::WIDTH / 2
+
+          Gosu.clip_to(half - (half * ratio), 0, Notification::WIDTH * ratio, Notification::HEIGHT) do
+            @notification.draw
+          end
+        end
+      end
+
+      def update
+        case @mode
+        when MODE_DEFAULT
+          update_default
+        when MODE_CIRCLE
+          update_circle
+        end
+
+        @accumulator += Gosu.milliseconds - @delta
+        @delta = Gosu.milliseconds
+      end
+
+
+      def update_default
+        case @edge
+        when :left, :right
+          if not transition_in_complete? # Slide In
+            @x = @edge == :right ? -x_offset : x_offset
+          elsif transition_in_complete? and not duration_completed?
+            @x = @edge == :right ? -Notification::WIDTH : Notification::WIDTH if @x.abs != Notification::WIDTH
+            @transition_completed_at = Gosu.milliseconds if @transition_completed_at == Float::INFINITY
+            @accumulator = 0.0
+          elsif duration_completed? # Slide Out
+            @x = @edge == :right ? x_offset - Notification::WIDTH : Notification::WIDTH - x_offset
+            @x = 0 if @edge == :left and @x <= 0
+            @x = 0 if @edge == :right and @x >= 0
+            @duration_completed_at = Gosu.milliseconds if @duration_completed_at == Float::INFINITY
+          end
+
+        when :top, :bottom
+          if not transition_in_complete? # Slide In
+            @y = @edge == :top ? y_offset : -y_offset
+          elsif transition_in_complete? and not duration_completed?
+            @y = @edge == :top ? Notification::HEIGHT : -Notification::HEIGHT if @x.abs != Notification::HEIGHT
+            @transition_completed_at = Gosu.milliseconds if @transition_completed_at == Float::INFINITY
+            @accumulator = 0.0
+          elsif duration_completed? # Slide Out
+            @y = @edge == :top ? Notification::HEIGHT - y_offset : y_offset - Notification::HEIGHT
+            @y = 0 if @edge == :top and @y <= 0
+            @y = 0 if @edge == :bottom and @y >= 0
+            @duration_completed_at = Gosu.milliseconds if @duration_completed_at == Float::INFINITY
+          end
+        end
+      end
+
+      def update_circle
+        case @edge
+        when :top, :bottom
+          @y = @edge == :top ? Notification::HEIGHT : -Notification::HEIGHT
+        when :left, :right
+          @x = @edge == :right ? -Notification::WIDTH : Notification::WIDTH
+        end
+
+        if transition_in_complete? and not duration_completed?
+          @transition_completed_at = Gosu.milliseconds if @transition_completed_at == Float::INFINITY
+          @accumulator = 0.0
+        elsif duration_completed?
+          @duration_completed_at = Gosu.milliseconds if @duration_completed_at == Float::INFINITY
+        end
+      end
+
+      def animation_ratio
+        x = (@accumulator / @notification.transition_duration)
+
+        case @notification.transition_type
+        when Notification::LINEAR_TRANSITION
+          x.clamp(0.0, 1.0)
+        when Notification::EASE_IN_OUT_TRANSITION # https://easings.net/#easeInOutQuint
+          (x < 0.5 ? 16 * x * x * x * x * x : 1 - ((-2 * x + 2) ** 5) / 2).clamp(0.0, 1.0)
+        end
+      end
+
+      def x_offset
+        if not transition_in_complete? or duration_completed?
+          Notification::WIDTH * animation_ratio
+        else
+          0
+        end
+      end
+
+      def y_offset
+        if not transition_in_complete? or duration_completed?
+          Notification::HEIGHT * animation_ratio
+        else
+          0
+        end
+      end
+    end
+  end
+end

lib/cyberarm_engine/opengl/renderer/opengl_renderer.rb

@@ -44,7 +44,7 @@ module CyberarmEngine
             shader.uniform_transform("projection", camera.projection_matrix)
             shader.uniform_transform("view", camera.view_matrix)
             shader.uniform_transform("model", entity.model_matrix)
-            shader.uniform_vec3("cameraPosition", camera.position)
+            shader.uniform_vector3("camera_position", camera.position)
 
             gl_error?
             draw_model(entity.model, shader)
@@ -154,15 +154,21 @@ module CyberarmEngine
         glBindTexture(GL_TEXTURE_2D, @g_buffer.texture(:depth))
         shader.uniform_integer("depth", 4)
 
-        lights.each_with_index do |light, _i|
-          shader.uniform_integer("light[0].type", light.type)
-          shader.uniform_vec3("light[0].direction", light.direction)
-          shader.uniform_vec3("light[0].position", light.position)
-          shader.uniform_vec3("light[0].diffuse", light.diffuse)
-          shader.uniform_vec3("light[0].ambient", light.ambient)
-          shader.uniform_vec3("light[0].specular", light.specular)
+        # FIXME: Try to figure out how to up this to 32 and/or beyond
+        #        (currently fails with more then 7 lights passed in to shader)
+        lights.each_slice(7).each do |light_group|
+          light_group.each_with_index do |light, _i|
+            shader.uniform_integer("light_count", light_group.size)
 
-          glDrawArrays(GL_TRIANGLES, 0, @g_buffer.vertices.size)
+            shader.uniform_integer("lights[#{_i}].type",      light.type)
+            shader.uniform_vector3("lights[#{_i}].direction", light.direction)
+            shader.uniform_vector3("lights[#{_i}].position",  light.position)
+            shader.uniform_vector3("lights[#{_i}].diffuse",   light.diffuse)
+            shader.uniform_vector3("lights[#{_i}].ambient",   light.ambient)
+            shader.uniform_vector3("lights[#{_i}].specular",  light.specular)
+
+            glDrawArrays(GL_TRIANGLES, 0, @g_buffer.vertices.size)
+          end
         end
 
         glBindVertexArray(0)
@@ -215,7 +221,7 @@ module CyberarmEngine
 
       offset = 0
       model.objects.each do |object|
-        shader.uniform_boolean("hasTexture", object.has_texture?)
+        shader.uniform_boolean("has_texture", object.has_texture?)
 
         if object.has_texture?
           glBindTexture(GL_TEXTURE_2D, object.materials.find { |mat| mat.texture_id }.texture_id)

lib/cyberarm_engine/opengl/shader.rb

@@ -385,7 +385,7 @@ module CyberarmEngine
     # @param value [Vector]
     # @param location [Integer]
     # @return [void]
-    def uniform_vec3(variable, value, location = nil)
+    def uniform_vector3(variable, value, location = nil)
       attr_loc = location || attribute_location(variable)
 
       glUniform3f(attr_loc, *value.to_a[0..2])
@@ -397,7 +397,7 @@ module CyberarmEngine
     # @param value [Vector]
     # @param location [Integer]
     # @return [void]
-    def uniform_vec4(variable, value, location = nil)
+    def uniform_vector4(variable, value, location = nil)
       attr_loc = location || attribute_location(variable)
 
       glUniform4f(attr_loc, *value.to_a)

lib/cyberarm_engine/ui/element.rb

@@ -30,6 +30,8 @@ module CyberarmEngine
       @y = @style.y
       @z = @style.z
 
+      @old_width  = 0
+      @old_height = 0
       @width  = 0
       @height = 0
 
@@ -342,6 +344,7 @@ module CyberarmEngine
     end
 
     def update
+      recalculate_if_size_changed
     end
 
     def button_down(id)
@@ -411,10 +414,14 @@ module CyberarmEngine
     end
 
     def scroll_width
-      @children.sum(&:outer_width)
+      return @cached_scroll_width if @cached_scroll_width && is_a?(Container)
+
+      @cached_scroll_width = @children.sum(&:outer_width)
     end
 
     def scroll_height
+      return @cached_scroll_height if @cached_scroll_height && is_a?(Container)
+
       if is_a?(CyberarmEngine::Element::Flow)
         return 0 if @children.size.zero?
 
@@ -435,18 +442,18 @@ module CyberarmEngine
 
         pairs_ << a_ unless pairs_.last == a_
 
-        pairs_.sum { |pair|  + @style.padding_top + @style.border_thickness_top + pair.map(&:outer_height).max } + @style.padding_bottom + @style.border_thickness_bottom
+        @cached_scroll_height = pairs_.sum { |pair|  + @style.padding_top + @style.border_thickness_top + pair.map(&:outer_height).max } + @style.padding_bottom + @style.border_thickness_bottom
       else
-        @style.padding_top + @style.border_thickness_top + @children.sum(&:outer_height) + @style.padding_bottom + @style.border_thickness_bottom
+        @cached_scroll_height = @style.padding_top + @style.border_thickness_top + @children.sum(&:outer_height) + @style.padding_bottom + @style.border_thickness_bottom
       end
     end
 
     def max_scroll_width
-      scroll_width - outer_width
+      (scroll_width - outer_width).positive? ? scroll_width - outer_width : scroll_width
     end
 
     def max_scroll_height
-      scroll_height - outer_height
+      (scroll_height - outer_height).positive? ? scroll_height - outer_height : scroll_height
     end
 
     def dimensional_size(size, dimension)
@@ -554,6 +561,15 @@ module CyberarmEngine
       @style.background_image_canvas.image = @style.background_image
     end
 
+    def recalculate_if_size_changed
+      if !is_a?(ToolTip) && (@old_width != width || @old_height != height)
+        root.gui_state.request_recalculate
+
+        @old_width = width
+        @old_height = height
+      end
+    end
+
     def root
       return self if is_root?
 
@@ -574,6 +590,22 @@ module CyberarmEngine
       @gui_state != nil
     end
 
+    def child_of?(element)
+      return element == self if is_root?
+      return false unless element.is_a?(Container)
+      return true if element.children.find { |child| child == self }
+
+      element.children.find { |child| child.child_of?(element) if child.is_a?(Container) }
+    end
+
+    def parent_of?(element)
+      return false if element == self
+      return false unless is_a?(Container)
+      return true if @children.find { |child| child == element }
+
+      @children.find { |child| child.parent_of?(element) if child.is_a?(Container) }
+    end
+
     def focus(_)
       warn "#{self.class}#focus was not overridden!"
 

lib/cyberarm_engine/ui/elements/container.rb

@@ -20,7 +20,10 @@ module CyberarmEngine
         @gui_state = options.delete(:gui_state)
         super
 
+        @last_scroll_position = Vector.new(0, 0)
         @scroll_position = Vector.new(0, 0)
+        @scroll_target_position = Vector.new(0, 0)
+        @scroll_chunk = 120
         @scroll_speed = 40
 
         @text_color = options[:color]
@@ -33,17 +36,17 @@ module CyberarmEngine
       def build
         @block.call(self) if @block
 
-        root.gui_state.request_recalculate
+        root.gui_state.request_recalculate_for(self)
       end
 
       def add(element)
         @children << element
 
-        root.gui_state.request_recalculate
+        root.gui_state.request_recalculate_for(self)
       end
 
       def remove(element)
-        root.gui_state.request_recalculate if @children.delete(element)
+        root.gui_state.request_recalculate_for(self) if @children.delete(element)
       end
 
       def clear(&block)
@@ -56,7 +59,7 @@ module CyberarmEngine
 
         CyberarmEngine::Element::Container.current_container = old_container
 
-        root.gui_state.request_recalculate
+        root.gui_state.request_recalculate_for(self)
       end
 
       def append(&block)
@@ -67,7 +70,7 @@ module CyberarmEngine
 
         CyberarmEngine::Element::Container.current_container = old_container
 
-        root.gui_state.request_recalculate
+        root.gui_state.request_recalculate_for(self)
       end
 
       def render
@@ -77,7 +80,9 @@ module CyberarmEngine
           content_width + 1,
           content_height + 1
         ) do
-          @children.each(&:draw)
+          Gosu.translate(@scroll_position.x, @scroll_position.y) do
+            @children.each(&:draw)
+          end
         end
       end
 
@@ -90,31 +95,70 @@ module CyberarmEngine
       end
 
       def update
+        update_scroll
         @children.each(&:update)
       end
 
       def hit_element?(x, y)
         return unless hit?(x, y)
 
+        # Offset child hit point by scroll position/offset
+        child_x = x - @scroll_position.x
+        child_y = y - @scroll_position.y
+
         @children.reverse_each do |child|
           next unless child.visible?
 
           case child
           when Container
-            if element = child.hit_element?(x, y)
+            if element = child.hit_element?(child_x, child_y)
               return element
             end
           else
-            return child if child.hit?(x, y)
+            return child if child.hit?(child_x, child_y)
           end
         end
 
         self if hit?(x, y)
       end
 
+      def update_child_element_visibity(child)
+        child.element_visible = child.x >= (@x - @scroll_position.x) - child.width && child.x <= (@x - @scroll_position.x) + width &&
+                                child.y >= (@y - @scroll_position.y) - child.height && child.y <= (@y - @scroll_position.y) + height
+      end
+
+      def update_scroll
+        dt = window.dt > 1 ? 1.0 : window.dt
+
+        scroll_x_diff = (@scroll_target_position.x - @scroll_position.x)
+        scroll_y_diff = (@scroll_target_position.y - @scroll_position.y)
+
+        @scroll_position.x += (scroll_x_diff * @scroll_speed * 0.25 * dt).round
+        @scroll_position.y += (scroll_y_diff * @scroll_speed * 0.25 * dt).round
+
+        @scroll_position.x = @scroll_target_position.x if scroll_x_diff.abs < 1.0
+        @scroll_position.y = @scroll_target_position.y if scroll_y_diff.abs < 1.0
+
+        # Scrolled PAST top
+        if @scroll_position.y > 0
+          @scroll_target_position.y = 0
+
+        # Scrolled PAST bottom
+        elsif @scroll_position.y.abs > max_scroll_height
+          @scroll_target_position.y = -max_scroll_height
+        end
+
+        if @last_scroll_position != @scroll_position
+          @children.each { |child| update_child_element_visibity(child) }
+          root.gui_state.request_repaint
+        end
+
+        @last_scroll_position.x = @scroll_position.x
+        @last_scroll_position.y = @scroll_position.y
+      end
+
       def recalculate
         @current_position = Vector.new(@style.margin_left + @style.padding_left, @style.margin_top + @style.padding_top)
-        @current_position += @scroll_position
 
         return unless visible?
 
@@ -129,6 +173,9 @@ module CyberarmEngine
         old_width  = @width
         old_height = @height
 
+        @cached_scroll_width = nil
+        @cached_scroll_height = nil
+
         if is_root?
           @width  = @style.width  = window.width
           @height = @style.height = window.height
@@ -178,8 +225,7 @@ module CyberarmEngine
 
           Stats.frame.increment(:gui_recalculations)
 
-          child.element_visible = child.x >= @x - child.width && child.x <= @x + width &&
-                                  child.y >= @y - child.height && child.y <= @y + height
+          update_child_element_visibity(child)
         end
 
         # puts "TOOK: #{Gosu.milliseconds - s}ms to recalculate #{self.class}:0x#{self.object_id.to_s(16)}"
@@ -188,8 +234,24 @@ module CyberarmEngine
 
         # Fixes resized container scrolled past bottom
         self.scroll_top = -@scroll_position.y
+        @scroll_target_position.y = @scroll_position.y
+
+        # Fixes resized container that is scrolled down from being stuck overscrolled when resized
+        if scroll_height < height
+          @scroll_target_position.y = 0
+        end
+
+        # NOTE: Experiment for removing need to explicitly call gui_state#recalculate at least 3 times for layout to layout...
+        if old_width != @width || old_height != @height
+          if @parent
+            root.gui_state.request_recalculate_for(@parent)
+          else
+            root.gui_state.request_recalculate
+          end
+        end
 
         root.gui_state.request_repaint if @width != old_width || @height != old_height
+        recalculate_if_size_changed
       end
 
       def layout
@@ -249,12 +311,13 @@ module CyberarmEngine
       def mouse_wheel_up(sender, x, y)
         return unless @style.scroll
 
-        if @scroll_position.y < 0
-          @scroll_position.y += @scroll_speed
-          @scroll_position.y = 0 if @scroll_position.y > 0
-
-          root.gui_state.request_recalculate_for(self)
-          root.gui_state.request_repaint
+        # Allow overscrolling UP, only if one can scroll DOWN
+        if height < scroll_height
+          if @scroll_target_position.y > 0
+            @scroll_target_position.y = @scroll_chunk
+          else
+            @scroll_target_position.y += @scroll_chunk
+          end
 
           return :handled
         end
@@ -265,15 +328,13 @@ module CyberarmEngine
 
         return unless height < scroll_height
 
-        if @scroll_position.y.abs < max_scroll_height
-          @scroll_position.y -= @scroll_speed
-          @scroll_position.y = -max_scroll_height if @scroll_position.y.abs > max_scroll_height
-
-          root.gui_state.request_recalculate_for(self)
-          root.gui_state.request_repaint
-
-          return :handled
+        if @scroll_target_position.y > 0
+          @scroll_target_position.y = -@scroll_chunk
+        else
+          @scroll_target_position.y -= @scroll_chunk
         end
+
+        return :handled
       end
 
       def scroll_top

lib/cyberarm_engine/ui/elements/text_block.rb

@@ -93,6 +93,7 @@ module CyberarmEngine
         update_background
 
         root.gui_state.request_repaint if @width != old_width || @height != old_height
+        recalculate_if_size_changed
       end
 
       def handle_text_wrapping(max_width)

lib/cyberarm_engine/ui/gui_state.rb

@@ -78,10 +78,17 @@ module CyberarmEngine
     end
 
     def update
+      Stats.frame.start_timing(:gui_element_recalculate_requests)
+
+      # puts "PENDING REQUESTS: #{@pending_element_recalculate_requests.size}" if @pending_element_recalculate_requests.size.positive?
+      @pending_element_recalculate_requests.each(&:recalculate)
+      @pending_element_recalculate_requests.clear
+
+      Stats.frame.end_timing(:gui_element_recalculate_requests)
+
       if @pending_recalculate_request
         Stats.frame.start_timing(:gui_recalculate)
-        @root_container.recalculate
-        @root_container.recalculate
+
         @root_container.recalculate
 
         @pending_recalculate_request = false
@@ -89,13 +96,6 @@ module CyberarmEngine
         Stats.frame.end_timing(:gui_recalculate)
       end
 
-      Stats.frame.start_timing(:gui_element_recalculate_requests)
-
-      @pending_element_recalculate_requests.each(&:recalculate)
-      @pending_element_recalculate_requests.clear
-
-      Stats.frame.end_timing(:gui_element_recalculate_requests)
-
       if @pending_focus_request
         @pending_focus_request = false
 

lib/cyberarm_engine/version.rb

@@ -1,4 +1,4 @@
 module CyberarmEngine
   NAME    = "InDev".freeze
-  VERSION = "0.23.0".freeze
+  VERSION = "0.24.1".freeze
 end