texture.rb in cyberarm_engine-0.19.1

- old
+ new
@@ -1,69 +1,69 @@
-module CyberarmEngine
-  class Texture
-    DEFAULT_TEXTURE = "#{CYBERARM_ENGINE_ROOT_PATH}/assets/textures/default.png".freeze
-
-    CACHE = {}
-
-    def self.release_textures
-      CACHE.values.each do |id|
-        glDeleteTextures(id)
-      end
-    end
-
-    def self.from_cache(path, retro)
-      CACHE.dig("#{path}?retro=#{retro}")
-    end
-
-    attr_reader :id
-
-    def initialize(path: nil, image: nil, retro: false)
-      raise "keyword :path or :image must be provided!" if path.nil? && image.nil?
-
-      @retro = retro
-      @path = path
-
-      if @path
-        unless File.exist?(@path)
-          warn "Missing texture at: #{@path}"
-          @retro = true # override retro setting
-          @path = DEFAULT_TEXTURE
-        end
-
-        if texture = Texture.from_cache(@path, @retro)
-          @id = texture.id
-          return
-        end
-
-        image = load_image(@path)
-        @id = create_from_image(image)
-      else
-        @id = create_from_image(image)
-      end
-    end
-
-    def load_image(path)
-      CACHE["#{path}?retro=#{@retro}"] = self
-      Gosu::Image.new(path, retro: @retro)
-    end
-
-    def create_from_image(image)
-      array_of_pixels = image.to_blob
-
-      tex_names_buf = " " * 4
-      glGenTextures(1, tex_names_buf)
-      texture_id = tex_names_buf.unpack1("L2")
-
-      glBindTexture(GL_TEXTURE_2D, texture_id)
-      glTexImage2D(GL_TEXTURE_2D, 0, GL_SRGB_ALPHA, image.width, image.height, 0, GL_RGBA, GL_UNSIGNED_BYTE, array_of_pixels)
-      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT)
-      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT)
-      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST) if @retro
-      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR) unless @retro
-      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR)
-      glGenerateMipmap(GL_TEXTURE_2D)
-      gl_error?
-
-      texture_id
-    end
-  end
-end
+module CyberarmEngine
+  class Texture
+    DEFAULT_TEXTURE = "#{CYBERARM_ENGINE_ROOT_PATH}/assets/textures/default.png".freeze
+
+    CACHE = {}
+
+    def self.release_textures
+      CACHE.values.each do |id|
+        glDeleteTextures(id)
+      end
+    end
+
+    def self.from_cache(path, retro)
+      CACHE.dig("#{path}?retro=#{retro}")
+    end
+
+    attr_reader :id
+
+    def initialize(path: nil, image: nil, retro: false)
+      raise "keyword :path or :image must be provided!" if path.nil? && image.nil?
+
+      @retro = retro
+      @path = path
+
+      if @path
+        unless File.exist?(@path)
+          warn "Missing texture at: #{@path}"
+          @retro = true # override retro setting
+          @path = DEFAULT_TEXTURE
+        end
+
+        if texture = Texture.from_cache(@path, @retro)
+          @id = texture.id
+          return
+        end
+
+        image = load_image(@path)
+        @id = create_from_image(image)
+      else
+        @id = create_from_image(image)
+      end
+    end
+
+    def load_image(path)
+      CACHE["#{path}?retro=#{@retro}"] = self
+      Gosu::Image.new(path, retro: @retro)
+    end
+
+    def create_from_image(image)
+      array_of_pixels = image.to_blob
+
+      tex_names_buf = " " * 4
+      glGenTextures(1, tex_names_buf)
+      texture_id = tex_names_buf.unpack1("L2")
+
+      glBindTexture(GL_TEXTURE_2D, texture_id)
+      glTexImage2D(GL_TEXTURE_2D, 0, GL_SRGB_ALPHA, image.width, image.height, 0, GL_RGBA, GL_UNSIGNED_BYTE, array_of_pixels)
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT)
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT)
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST) if @retro
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR) unless @retro
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR)
+      glGenerateMipmap(GL_TEXTURE_2D)
+      gl_error?
+
+      texture_id
+    end
+  end
+end