[update] Tidied codes of elements.

sjplayer/src/sjplayer/AbstractShapeElement.d

@@ -0,0 +1,31 @@
+/// License: MIT
+module sjplayer.AbstractShapeElement;
+
+import gl4d;
+
+import sjplayer.ElementInterface,
+       sjplayer.ShapeElementProgram;
+
+///
+abstract class AbstractShapeElement : ElementInterface {
+ public:
+  ///
+  void Initialize() {
+    alive        = false;
+    damage       = 0;
+    nearness_coe = 0;
+    instance     = instance.init;
+  }
+
+  abstract override DamageCalculationResult CalculateDamage(vec2 p1, vec2 p2) const;
+
+  ///
+  bool alive;
+  ///
+  float damage;
+  ///
+  float nearness_coe;
+  ///
+  ShapeElementProgramInstance instance;
+  alias instance this;
+}

sjplayer/src/sjplayer/CircleElement.d

@@ -6,22 +6,16 @@ import std.algorithm,
 
 import gl4d;
 
-import sjplayer.ElementDrawer,
+import sjplayer.AbstractShapeElement,
        sjplayer.ElementInterface,
+       sjplayer.ShapeElementDrawer,
        sjplayer.ShapeElementProgram,
+       sjplayer.ShapeElementScheduledController,
        sjplayer.util.linalg;
 
 ///
-class CircleElement : ElementInterface {
+class CircleElement : AbstractShapeElement {
  public:
-  ///
-  void Initialize() {
-    alive        = false;
-    damage       = 0;
-    nearness_coe = 0;
-    instance     = instance.init;
-  }
-
   override DamageCalculationResult CalculateDamage(vec2 p1, vec2 p2) const {
     if (!alive) return DamageCalculationResult(0, 0);
 
@@ -35,22 +29,11 @@ class CircleElement : ElementInterface {
     }
     return DamageCalculationResult(0, 1 - (d-1).clamp(0, 1));
   }
-
-  ///
-  bool alive;
-  ///
-  float damage;
-  ///
-  float nearness_coe;
-  ///
-  CircleElementProgram.Instance instance;
-  alias instance this;
 }
 
 ///
-alias CircleElementDrawer = ElementDrawer!(
+alias CircleElementDrawer = ShapeElementDrawer!(
     CircleElementProgram,
-    CircleElement,
     [vec2(-1, 1), vec2(1, 1), vec2(1, -1), vec2(-1, -1)]);
 
 ///
@@ -61,3 +44,9 @@ alias CircleElementProgram = ShapeElementProgram!(q{
       smoothstep(w-smooth_, w, r) *
       (1 - smoothstep(1-smooth_, 1, r));
   });
+
+///
+alias CircleElementScheduledControllerFactory =
+  ShapeElementScheduledControllerFactory!(
+      CircleElement,
+      CircleElementDrawer);

sjplayer/src/sjplayer/CircleElementScheduledController.d

@@ -1,17 +0,0 @@
-/// License: MIT
-module sjplayer.CircleElementScheduledController;
-
-import sjplayer.CircleElement,
-       sjplayer.ElementScheduledControllerFactory,
-       sjplayer.ScheduledController,
-       sjplayer.ShapeElementScheduledController;
-
-///
-alias CircleElementScheduledController =
-  ShapeElementScheduledController!CircleElement;
-
-///
-alias CircleElementScheduledControllerFactory =
-  ElementScheduledControllerFactory!(
-      CircleElementScheduledController,
-      CircleElementDrawer);

sjplayer/src/sjplayer/Context.d

@@ -21,7 +21,6 @@ import sjplayer.Actor,
        sjplayer.PostEffectControllerInterface,
        sjplayer.ProgramSet,
        sjplayer.ScheduledControllerInterface,
-       sjplayer.SquareElementScheduledController,
        sjplayer.VarStore,
        sjplayer.VarStoreScheduledController;
 
@@ -38,7 +37,8 @@ class Context {
     auto varstore = new VarStore(actor_);
 
     import sjplayer.BackgroundScheduledController,
-           sjplayer.CircleElementScheduledController;
+           sjplayer.CircleElement,
+           sjplayer.SquareElement;
     auto factories = tuple(
         tuple(
           "actor",

sjplayer/src/sjplayer/ElementScheduledControllerFactory.d

@@ -1,98 +0,0 @@
-/// License: MIT
-module sjplayer.ElementScheduledControllerFactory;
-
-import sjscript;
-
-import std.algorithm,
-       std.array,
-       std.conv,
-       std.meta,
-       std.range.primitives,
-       std.traits;
-
-import sjplayer.ContextBuilderInterface,
-       sjplayer.ElementDrawerInterface,
-       sjplayer.ElementInterface,
-       sjplayer.ProgramSet,
-       sjplayer.ScheduledControllerInterface,
-       sjplayer.VarStoreInterface,
-       sjplayer.util.Period;
-
-///
-struct ElementScheduledControllerFactory(ScheduledController, ElementDrawer)
-  if (is(ScheduledController : ScheduledControllerInterface) &&
-      is(ElementDrawer : ElementDrawerInterface)) {
- public:
-  /// ScheduledController's first constructor's first argument type.
-  alias Element =
-    Parameters!(__traits(getOverloads, ScheduledController, "__ctor")[0])[0];
-
-  static assert(is(Element : ElementInterface));
-
-  /// ElementDrawer's first constructor's first argument type.
-  alias ElementProgram =
-    Parameters!(__traits(getOverloads, ElementDrawer, "__ctor")[0])[0];
-
-  static assert(staticIndexOf!(
-        ElementProgram, ProgramSet.Programs.Types) >= 0);
-  static assert(is(Element[] :
-    Parameters!(__traits(getOverloads, ElementDrawer, "__ctor")[0])[1]));
-
-  ///
-  this(ProgramSet programs, VarStoreInterface varstore) {
-    program_  = programs.Get!ElementProgram;
-    varstore_ = varstore;
-  }
-
-  ///
-  void Create(R)(R params, ContextBuilderInterface builder)
-      if (isInputRange!R && is(ElementType!R == ParametersBlock)) {
-    auto parallelized = ParallelizeParams(params);
-    auto elements     = appender!(Element[]);
-
-    foreach (ref serial; parallelized) {
-      auto element = new Element;
-      elements    ~= element;
-      builder.AddElement(element);
-      builder.AddScheduledController(
-          new ScheduledController(element, varstore_, serial));
-    }
-    if (elements[].length > 0) {
-      builder.AddElementDrawer(new ElementDrawer(program_, elements[]));
-    }
-  }
-
- private:
-  static ParametersBlock[][] ParallelizeParams(R)(R params)
-      if (isInputRange!R && is(ElementType!R == ParametersBlock)) {
-    ParametersBlock[][] parallelized;
-    foreach (ref param; params) {
-      auto inserted = false;
-      foreach (ref serial; parallelized) {
-        const found_index = serial.
-          countUntil!(x => x.period.start > param.period.start);
-        const insert_index =
-          found_index >= 0? found_index.to!size_t: serial.length;
-
-        const intersect_prev = insert_index >= 1 &&
-          IsPeriodIntersectedToPeriod(serial[insert_index-1].period, param.period);
-        const intersect_next = insert_index < serial.length &&
-          IsPeriodIntersectedToPeriod(serial[insert_index].period, param.period);
-
-        if (!intersect_prev && !intersect_next) {
-          serial   = serial[0..insert_index]~ param ~serial[insert_index..$];
-          inserted = true;
-          break;
-        }
-      }
-      if (!inserted) {
-        parallelized ~= [param];
-      }
-    }
-    return parallelized;
-  }
-
-  ElementProgram program_;
-
-  VarStoreInterface varstore_;
-}

sjplayer/src/sjplayer/ScheduledController.d

@@ -1,15 +1,13 @@
 /// License: MIT
 module sjplayer.ScheduledController;
 
-import std.traits,
+import std.typecons;
-       std.typecons;
 
 import gl4d;
 
 import sjscript;
 
 import sjplayer.AbstractScheduledController,
-       sjplayer.ScheduledControllerInterface,
        sjplayer.VarStoreInterface,
        sjplayer.util.Parameter;
 
@@ -17,18 +15,6 @@ import sjplayer.AbstractScheduledController,
 class ScheduledController(
     Target, string[string] ParameterNameMap) : AbstractScheduledController {
  public:
-  ///
-  enum AliveManagementAvailable =
-    is(typeof((Target x) => x.alive)) &&
-    is(ReturnType!((Target x) => x.alive) == bool);
-  ///
-  enum MatrixModificationAvailable =
-    is(typeof((Target x) => x.matrix)) &&
-    is(ReturnType!((Target x) => x.matrix) == mat3);
-  ///
-  enum AutoInitializationAvailable =
-    is(typeof((Target x) => x.Initialize()));
-
   ///
   this(
       Target target,
@@ -39,30 +25,6 @@ class ScheduledController(
   }
 
  protected:
-  override void PrepareOperation(ref in ParametersBlock params) {
-    static if (AutoInitializationAvailable) {
-      target_.Initialize();
-    }
-    static if (AliveManagementAvailable) {
-      target_.alive = true;
-    }
-    static if (MatrixModificationAvailable) {
-      matrix_factory_ = matrix_factory_.init;
-    }
-    super.PrepareOperation(params);
-  }
-  override void ProcessOperation(float time, ref in ParametersBlock params) {
-    super.ProcessOperation(time, params);
-    static if (MatrixModificationAvailable) {
-      target_.matrix = matrix_factory_.Create();
-    }
-  }
-  override void FinalizeOperation(ref in ParametersBlock params) {
-    static if (AliveManagementAvailable) {
-      target_.alive = false;
-    }
-  }
-
   override Nullable!float GetVariable(string name) const {
     switch (name) {
       static foreach (map_name, code; ParameterNameMap) {
@@ -71,10 +33,6 @@ class ScheduledController(
       }
       default:
     }
-    static if (MatrixModificationAvailable) {
-      const value = matrix_factory_.GetModelMatrixParameterValueByName(name);
-      if (!value.isNull) return value;
-    }
     return super.GetVariable(name);
   }
   override void SetParameter(ref in Parameter param, ref in VarStore vars) {
@@ -86,15 +44,8 @@ class ScheduledController(
       }
       default:
     }
-    static if (MatrixModificationAvailable) {
-      if (param.CalculateModelMatrixParameter(matrix_factory_, vars)) return;
-    }
     super.SetParameter(param, vars);
   }
 
   Target target_;
-
-  static if (MatrixModificationAvailable) {
-    ModelMatrixFactory!3 matrix_factory_;
-  }
 }

sjplayer/src/sjplayer/ShapeElementDrawer.d

@@ -1,26 +1,28 @@
 /// License: MIT
-module sjplayer.ElementDrawer;
+module sjplayer.ShapeElementDrawer;
 
 import std.algorithm,
-       std.conv;
+       std.conv,
+       std.exception;
 
 import gl4d;
 
-import sjplayer.ElementDrawerInterface;
+import sjplayer.AbstractShapeElement,
+       sjplayer.ElementDrawerInterface,
+       sjplayer.ShapeElementProgram;
 
 ///
-class ElementDrawer(Program, Element, vec2[] vertices) :
+class ShapeElementDrawer(Program, vec2[] vertices) : ElementDrawerInterface {
-  ElementDrawerInterface {
  public:
   ///
-  alias Instance = typeof(Element.instance);
+  enum MaxInstanceCount = 512;
 
   ///
-  this(Program program, in Element[] elements)
+  this(Program program, in AbstractShapeElement[] shapes)
       in (program)
-      in (elements.length > 0) {
+      in (shapes.length > 0) {
     program_ = program;
-    elements_ = elements;
+    shapes_  = shapes;
 
     vao_       = VertexArray.Create();
     verts_     = ArrayBuffer.Create();
@@ -41,7 +43,7 @@ class ElementDrawer(Program, Element, vec2[] vertices) :
 
     instances_.Bind();
     with (ArrayBufferAllocator()) {
-      size  = Instance.sizeof * elements.length;
+      size  = ShapeElementProgramInstance.sizeof * MaxInstanceCount;
       usage = GL_DYNAMIC_DRAW;
       Allocate(instances_);
     }
@@ -52,9 +54,10 @@ class ElementDrawer(Program, Element, vec2[] vertices) :
 
     instances_.Bind();
     {
-      auto ptr = instances_.MapToWrite!Instance();
+      auto ptr = instances_.MapToWrite!ShapeElementProgramInstance();
-      foreach (const element; elements_.filter!"a.alive") {
+      foreach (const shape; shapes_.filter!"a.alive") {
-        ptr[alive_count++] = element.instance;
+        enforce(alive_count <= MaxInstanceCount);
+        ptr[alive_count++] = shape.instance;
       }
     }
 
@@ -69,7 +72,7 @@ class ElementDrawer(Program, Element, vec2[] vertices) :
  private:
   Program program_;
 
-  const Element[] elements_;
+  const AbstractShapeElement[] shapes_;
 
   ArrayBufferRef verts_;
   ArrayBufferRef instances_;

sjplayer/src/sjplayer/ShapeElementProgram.d

@@ -8,18 +8,6 @@ import gl4d;
 ///
 class ShapeElementProgram(string ShaderSrc) {
  public:
-  ///
-  static struct Instance {
-    ///
-    align(1) mat3 matrix = mat3.identity;
-    ///
-    align(1) float weight = 1;
-    ///
-    align(1) float smooth = 0.001;
-    ///
-    align(1) vec4 color = vec4(0, 0, 0, 0);
-  }
-
   ///
   enum ShaderHeader = "#version 330 core
 #extension GL_ARB_explicit_uniform_location : enable";
@@ -91,7 +79,7 @@ class ShapeElementProgram(string ShaderSrc) {
 
       type    = GL_FLOAT;
       divisor = 1;
-      stride  = Instance.sizeof;
+      stride  = ShapeElementProgramInstance.sizeof;
       offset  = 0;
 
       // matrix
@@ -134,3 +122,16 @@ class ShapeElementProgram(string ShaderSrc) {
  private:
   ProgramRef program_;
 }
+
+///
+struct ShapeElementProgramInstance {
+ public:
+  ///
+  align(1) mat3 matrix = mat3.identity;
+  ///
+  align(1) float weight = 1;
+  ///
+  align(1) float smooth = 0.001;
+  ///
+  align(1) vec4 color = vec4(0, 0, 0, 0);
+}

sjplayer/src/sjplayer/ShapeElementScheduledController.d

@@ -1,17 +1,27 @@
 /// License: MIT
 module sjplayer.ShapeElementScheduledController;
 
-import sjplayer.CircleElement,
+import std.algorithm,
-       sjplayer.ElementInterface,
+       std.array,
-       sjplayer.ElementScheduledControllerFactory,
+       std.conv,
-       sjplayer.ScheduledController;
+       std.range.primitives,
+       std.traits,
+       std.typecons;
 
-///
+import gl4d;
-template ShapeElementScheduledController(Element)
+
-    if (is(Element : ElementInterface)) {
+import sjscript;
-  alias ShapeElementScheduledController = ScheduledController!(
+
-      Element,
+import sjplayer.AbstractShapeElement,
-      [
+       sjplayer.ContextBuilderInterface,
+       sjplayer.ProgramSet,
+       sjplayer.ScheduledController,
+       sjplayer.ShapeElementScheduledController,
+       sjplayer.VarStoreInterface,
+       sjplayer.util.Parameter,
+       sjplayer.util.Period;
+
+private enum NameMap = [
   "damage":       "damage",
   "nearness_coe": "nearness_coe",
   "weight":       "weight",
@@ -20,9 +30,118 @@ template ShapeElementScheduledController(Element)
   "color_g":      "color.g",
   "color_b":      "color.b",
   "color_a":      "color.a",
-      ]
+];
-    );
+
-  static assert(ShapeElementScheduledController.AliveManagementAvailable);
+///
-  static assert(ShapeElementScheduledController.MatrixModificationAvailable);
+class ShapeElementScheduledController :
-  static assert(ShapeElementScheduledController.AutoInitializationAvailable);
+  ScheduledController!(AbstractShapeElement, NameMap) {
+ public:
+  ///
+  this(
+      AbstractShapeElement shape,
+      in VarStoreInterface varstore,
+      in ParametersBlock[] operations) {
+    super(shape, varstore, operations);
+    shape_ = shape;
+  }
+
+ protected:
+  override void PrepareOperation(ref in ParametersBlock params) {
+    shape_.Initialize();
+    shape_.alive = true;
+
+    matrix_factory_ = matrix_factory_.init;
+    super.PrepareOperation(params);
+  }
+  override void ProcessOperation(float time, ref in ParametersBlock params) {
+    super.ProcessOperation(time, params);
+    shape_.matrix = matrix_factory_.Create();
+  }
+  override void FinalizeOperation(ref in ParametersBlock params) {
+    shape_.alive = false;
+  }
+
+  override Nullable!float GetVariable(string name) const {
+    const value = matrix_factory_.
+      GetModelMatrixParameterValueByName(name);
+    if (!value.isNull) return value;
+
+    return super.GetVariable(name);
+  }
+  override void SetParameter(ref in Parameter param, ref in VarStore vars) {
+    if (param.CalculateModelMatrixParameter(matrix_factory_, vars)) return;
+    super.SetParameter(param, vars);
+  }
+
+ private:
+  AbstractShapeElement shape_;
+
+  ModelMatrixFactory!3 matrix_factory_;
+}
+
+///
+struct ShapeElementScheduledControllerFactory(ShapeElement, ShapeElementDrawer)
+  if (is(ShapeElement : AbstractShapeElement)) {
+ public:
+  ///
+  alias ShapeElementProgram =
+    Parameters!(__traits(getOverloads, ShapeElementDrawer, "__ctor")[0])[0];
+
+  ///
+  this(ProgramSet programs, VarStoreInterface varstore) {
+    program_  = programs.Get!ShapeElementProgram;
+    varstore_ = varstore;
+  }
+
+  ///
+  void Create(R)(R params, ContextBuilderInterface builder)
+      if (isInputRange!R && is(ElementType!R == ParametersBlock)) {
+    auto parallelized = ParallelizeParams(params);
+    auto elements     = appender!(ShapeElement[]);
+
+    foreach (ref serial; parallelized) {
+      auto element = new ShapeElement;
+      elements    ~= element;
+      builder.AddElement(element);
+      builder.AddScheduledController(
+          new ShapeElementScheduledController(element, varstore_, serial));
+    }
+    if (elements[].length > 0) {
+      builder.AddElementDrawer(new ShapeElementDrawer(program_, elements[]));
+    }
+  }
+
+ private:
+  static ParametersBlock[][] ParallelizeParams(R)(R params)
+      if (isInputRange!R && is(ElementType!R == ParametersBlock)) {
+    ParametersBlock[][] parallelized;
+    foreach (ref param; params) {
+      auto inserted = false;
+      foreach (ref serial; parallelized) {
+        const found_index = serial.
+          countUntil!(x => x.period.start > param.period.start);
+        const insert_index =
+          found_index >= 0? found_index.to!size_t: serial.length;
+
+        const intersect_prev = insert_index >= 1 &&
+          IsPeriodIntersectedToPeriod(serial[insert_index-1].period, param.period);
+        const intersect_next = insert_index < serial.length &&
+          IsPeriodIntersectedToPeriod(serial[insert_index].period, param.period);
+
+        if (!intersect_prev && !intersect_next) {
+          serial   = serial[0..insert_index]~ param ~serial[insert_index..$];
+          inserted = true;
+          break;
+        }
+      }
+      if (!inserted) {
+        parallelized ~= [param];
+      }
+    }
+    return parallelized;
+  }
+
+  ShapeElementProgram program_;
+
+  VarStoreInterface varstore_;
 }

sjplayer/src/sjplayer/SquareElement.d

@@ -6,34 +6,16 @@ import std.algorithm,
 
 import gl4d;
 
-import sjplayer.ElementDrawer,
+import sjplayer.AbstractShapeElement,
        sjplayer.ElementInterface,
+       sjplayer.ShapeElementDrawer,
+       sjplayer.ShapeElementScheduledController,
        sjplayer.ShapeElementProgram,
        sjplayer.util.linalg;
 
 ///
-class SquareElement : ElementInterface {
+class SquareElement : AbstractShapeElement {
  public:
-  ///
-  static struct Instance {
-    ///
-    align(1) mat3 matrix = mat3.identity;
-    ///
-    align(1) float weight = 1;
-    ///
-    align(1) float smooth = 0.001;
-    ///
-    align(1) vec4 color = vec4(0, 0, 0, 0);
-  }
-
-  ///
-  void Initialize() {
-    alive        = false;
-    damage       = 0;
-    nearness_coe = 0;
-    instance     = instance.init;
-  }
-
   override DamageCalculationResult CalculateDamage(vec2 p1, vec2 p2) const {
     if (!alive) return DamageCalculationResult(0, 0);
 
@@ -63,22 +45,11 @@ class SquareElement : ElementInterface {
     }
     return DamageCalculationResult(0, 1-(min_distance-1).clamp(0f, 1f));
   }
-
-  ///
-  bool alive;
-  ///
-  float damage;
-  ///
-  float nearness_coe;
-  ///
-  Instance instance;
-  alias instance this;
 }
 
 ///
-alias SquareElementDrawer = ElementDrawer!(
+alias SquareElementDrawer = ShapeElementDrawer!(
     SquareElementProgram,
-    SquareElement,
     [vec2(-1, 1), vec2(1, 1), vec2(1, -1), vec2(-1, -1)]);
 
 ///
@@ -89,3 +60,9 @@ alias SquareElementProgram = ShapeElementProgram!(q{
         smoothstep(w-s, w, abs(uv_.x)) +
         smoothstep(w-s, w, abs(uv_.y)), 0, 1);
   });
+
+///
+alias SquareElementScheduledControllerFactory =
+  ShapeElementScheduledControllerFactory!(
+      SquareElement,
+      SquareElementDrawer);

sjplayer/src/sjplayer/SquareElementScheduledController.d

@@ -1,17 +0,0 @@
-/// License: MIT
-module sjplayer.SquareElementScheduledController;
-
-import sjplayer.ElementScheduledControllerFactory,
-       sjplayer.ScheduledController,
-       sjplayer.ShapeElementScheduledController,
-       sjplayer.SquareElement;
-
-///
-alias SquareElementScheduledController =
-  ShapeElementScheduledController!SquareElement;
-
-///
-alias SquareElementScheduledControllerFactory =
-  ElementScheduledControllerFactory!(
-      SquareElementScheduledController,
-      SquareElementDrawer);