SpriteRenderer

Engine/CMakeLists.txt

@@ -19,8 +19,9 @@ set(SRC_FILES
     "Src/Imp/CPP/Renderer/GPUResourceManager.cpp"
     
     "Src/Imp/CPP/Nodes/Node2D.cpp"
-    "Src/Imp/CPP/Nodes/TextureNode.cpp"
     "Src/Imp/CPP/Nodes/CameraNode.cpp"
+    "Src/Imp/CPP/Nodes/SpriteNode.cpp"
+    "Src/Imp/CPP/Nodes/TextureNode.cpp"
 
     "Src/Imp/CPP/Components/CameraComponent.cpp"
     "Src/Imp/CPP/Components/PhysicsComponent.cpp"

Engine/Src/Imp/CPP/Components/SpriteComponent.cpp

@@ -0,0 +1,132 @@
+// IAEngine: 2D Game Engine by IA
+// Copyright (C) 2025 IASoft (PVT) LTD (oss@iasoft.dev)
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include <IAEngine/Engine.hpp>
+
+namespace ia::iae
+{
+    SpriteComponent::SpriteComponent(IN Node2D *node) : TextureComponent(node)
+    {
+    }
+
+    VOID SpriteComponent::Draw()
+    {
+        const auto &animFrame = m_currentAnimationState;
+        PositionOffset() = animFrame.Position;
+        ScaleOffset() = animFrame.Scale;
+        RotationOffset() = animFrame.Rotation;
+        ColorOverlay() = animFrame.ColorOverlay;
+        SetTexture(animFrame.Texture);
+        TextureComponent::Draw();
+    }
+
+    VOID SpriteComponent::DebugDraw()
+    {
+        TextureComponent::DebugDraw();
+    }
+
+    VOID SpriteComponent::Update()
+    {
+        TextureComponent::Update();
+
+        UpdateAnimation();
+    }
+
+    VOID SpriteComponent::FixedUpdate()
+    {
+        TextureComponent::FixedUpdate();
+    }
+
+    Handle SpriteComponent::AddAnimation(IN CONST Animation &animation)
+    {
+        if (animation.Keys.empty())
+            return INVALID_HANDLE;
+        m_animations.pushBack(animation);
+        if(m_animations.size() == 1)
+            ForceSetActiveAnimation(0);
+        return m_animations.size() - 1;
+    }
+
+    VOID SpriteComponent::SetActiveAnimation(IN Handle animation)
+    {
+        if (animation == m_activeAnimationHandle)
+            return;
+        ForceSetActiveAnimation(animation);
+    }
+
+    VOID SpriteComponent::ForceSetActiveAnimation(IN Handle animation)
+    {
+        IA_RELEASE_ASSERT((animation != INVALID_HANDLE) && (animation < m_animations.size()));
+        m_prevAnimationKeyFrameIndex = 0;
+        m_activeAnimation = m_animations[animation];
+
+        m_prevAnimationKeyFrame = GetKeyFrame(m_prevAnimationKeyFrameIndex + 0);
+        m_nextAnimationKeyFrame = GetKeyFrame(m_prevAnimationKeyFrameIndex + 1);
+
+        m_currentAnimationState = m_prevAnimationKeyFrame;
+        m_activeAnimationHandle = animation;
+
+        SetTexture(m_currentAnimationState.Texture);
+    }
+
+    VOID SpriteComponent::SetAnimationFrame(IN INT32 animation, IN INT32 frame)
+    {
+        m_activeAnimation = {};
+        m_currentAnimationState = m_animations[animation].Keys[frame];
+    }
+
+    VOID SpriteComponent::UpdateAnimation()
+    {
+        const auto keyCount = m_activeAnimation.Keys.size();
+        if (keyCount <= 1)
+            return;
+
+        if (m_currentAnimationState.ShouldInterpolate)
+        {
+            const auto t = m_timelinePosition / m_prevAnimationKeyFrame.Duration;
+#define INTERP_PROPERTY(name)                                                                                          \
+    m_currentAnimationState.name =                                                                                     \
+        m_prevAnimationKeyFrame.name + (m_nextAnimationKeyFrame.name - m_prevAnimationKeyFrame.name) * t;
+
+            INTERP_PROPERTY(Position);
+            INTERP_PROPERTY(Rotation);
+            INTERP_PROPERTY(Scale);
+            INTERP_PROPERTY(ColorOverlay);
+
+#undef INTERP_PROPERTY
+        }
+
+        if (m_timelinePosition >= m_prevAnimationKeyFrame.Duration)
+        {
+            m_prevAnimationKeyFrameIndex = (m_prevAnimationKeyFrameIndex + 1) % keyCount;
+            if (!m_prevAnimationKeyFrameIndex && !m_activeAnimation.ShouldLoop)
+            {
+                m_activeAnimation = {};
+                return;
+            }
+            m_prevAnimationKeyFrame = GetKeyFrame(m_prevAnimationKeyFrameIndex + 0);
+            m_nextAnimationKeyFrame = GetKeyFrame(m_prevAnimationKeyFrameIndex + 1);
+            m_currentAnimationState = m_prevAnimationKeyFrame;
+            m_timelinePosition = 0;
+        }
+        m_timelinePosition += Engine::GetFrameDeltaTime() * 1000;
+    }
+
+    SpriteComponent::AnimationKeyFrame SpriteComponent::GetKeyFrame(IN INT32 index)
+    {
+        return m_activeAnimation.Keys[index % m_activeAnimation.Keys.size()];
+    }
+} // namespace ia::iae

Engine/Src/Imp/CPP/Nodes/SpriteNode.cpp

@@ -0,0 +1,25 @@
+// IAEngine: 2D Game Engine by IA
+// Copyright (C) 2025 IASoft (PVT) LTD (oss@iasoft.dev)
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include <IAEngine/Engine.hpp>
+#include <IAEngine/Nodes/SpriteNode.hpp>
+
+namespace ia::iae
+{
+    SpriteNode::SpriteNode(IN CONST String &name) : Node2D(name), m_spriteComponent(AddComponent<SpriteComponent>())
+    {
+    }
+} // namespace ia::iae

Engine/Src/Inc/IAEngine/Base.hpp

@@ -16,12 +16,12 @@
 
 #pragma once
 
-#include <IACore/Map.hpp>
+#include <IACore/Exception.hpp>
 #include <IACore/Logger.hpp>
+#include <IACore/Map.hpp>
 #include <IACore/Memory.hpp>
 #include <IACore/String.hpp>
 #include <IACore/Vector.hpp>
-#include <IACore/Exception.hpp>
 
 #include <IAEngine/glm/ext/matrix_clip_space.hpp>
 #include <IAEngine/glm/ext/matrix_transform.hpp>
@@ -111,7 +111,22 @@ namespace ia::iae
 
         Vec4 GetAsFloatVec() CONST
         {
-            return {(FLOAT32)R/255.0f, (FLOAT32)G/255.0f, (FLOAT32)B/255.0f, (FLOAT32)A/255.0f};
+            return {(FLOAT32) R / 255.0f, (FLOAT32) G / 255.0f, (FLOAT32) B / 255.0f, (FLOAT32) A / 255.0f};
+        }
+
+        Color operator+(IN CONST Color &other) CONST
+        {
+            return Color{(UINT8) (R + other.R), (UINT8) (G + other.G), (UINT8) (B + other.B), (UINT8) (A + other.A)};
+        }
+
+        Color operator-(IN CONST Color &other) CONST
+        {
+            return Color{(UINT8) (R - other.R), (UINT8) (G - other.G), (UINT8) (B - other.B), (UINT8) (A - other.A)};
+        }
+
+        Color operator*(IN FLOAT32 v) CONST
+        {
+            return Color{(UINT8) (R * v), (UINT8) (G * v), (UINT8) (B * v), (UINT8) (A * v)};
         }
     };
 

Engine/Src/Inc/IAEngine/Components/SpriteComponent.hpp

@@ -0,0 +1,88 @@
+// IAEngine: 2D Game Engine by IA
+// Copyright (C) 2025 IASoft (PVT) LTD (oss@iasoft.dev)
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#pragma once
+
+#include <IAEngine/Components/TextureComponent.hpp>
+
+namespace ia::iae
+{
+    class SpriteComponent : public TextureComponent
+    {
+      public:
+        struct AnimationKeyFrame
+        {
+            Handle Texture;
+            INT32 Duration{100};
+            BOOL ShouldInterpolate{};
+
+            FLOAT32 Rotation{};
+            Vec2 Position{};
+            Vec2 Scale{1.0f, 1.0f};
+            Color ColorOverlay{0xFF, 0xFF, 0xFF, 0xFF};
+        };
+
+        struct Animation
+        {
+            BOOL ShouldLoop{false};
+            Vector<AnimationKeyFrame> Keys;
+        };
+
+      public:
+        SpriteComponent(IN Node2D *node);
+
+      public:
+        VIRTUAL VOID Draw();
+        VIRTUAL VOID DebugDraw();
+
+        VIRTUAL VOID Update();
+        VIRTUAL VOID FixedUpdate();
+
+      public:
+        Handle AddAnimation(IN CONST Animation &animation);
+
+        VOID SetActiveAnimation(IN Handle animation);
+        VOID ForceSetActiveAnimation(IN Handle animation);
+
+        VOID SetAnimationFrame(IN INT32 animation, IN INT32 frame);
+
+      public:
+        Vector<Animation> &Animations()
+        {
+            return m_animations;
+        }
+
+        CONST Vector<Animation> &Animations() CONST
+        {
+            return m_animations;
+        }
+
+      private:
+        VOID UpdateAnimation();
+
+        AnimationKeyFrame GetKeyFrame(IN INT32 index);
+
+      private:
+        FLOAT32 m_timelinePosition{};
+        Animation m_activeAnimation{};
+        Handle m_activeAnimationHandle{INVALID_HANDLE};
+        Vector<Animation> m_animations;
+        AnimationKeyFrame m_currentAnimationState{};
+        AnimationKeyFrame m_nextAnimationKeyFrame{};
+        AnimationKeyFrame m_prevAnimationKeyFrame{};
+        INT32 m_prevAnimationKeyFrameIndex{};
+    };
+} // namespace ia::iae

Engine/Src/Inc/IAEngine/Components/TextureComponent.hpp

@@ -23,17 +23,17 @@ namespace ia::iae
     class TextureComponent : public IComponent
     {
       public:
-         TextureComponent(IN Node2D *node);
+        TextureComponent(IN Node2D *node);
 
       public:
-        VOID Draw();
+        VIRTUAL VOID Draw();
-        VOID DebugDraw();
+        VIRTUAL VOID DebugDraw();
         
-        VOID Update();
+        VIRTUAL VOID Update();
-        VOID FixedUpdate();
+        VIRTUAL VOID FixedUpdate();
 
       public:
-         VOID SetTexture(IN Handle image);
+        VOID SetTexture(IN Handle image);
 
         Handle GetTexture() CONST
         {
@@ -97,6 +97,6 @@ namespace ia::iae
         Vec2 m_drawnSize{};
 
         Vec2 m_textureExtent{};
-        Handle m_texture{INVALID_HANDLE};
+        Handle m_texture{0};
     };
 } // namespace ia::iae

Engine/Src/Inc/IAEngine/Nodes/SpriteNode.hpp

@@ -16,10 +16,23 @@
 
 #pragma once
 
-#include <IAEngine/Nodes/Node2D.hpp>
 #include <IAEngine/Components/SpriteComponent.hpp>
+#include <IAEngine/Nodes/Node2D.hpp>
 
 namespace ia::iae
 {
+    class SpriteNode : public Node2D
+    {
+      public:
+        SpriteNode(IN CONST String &name);
 
-}
+      public:
+        SpriteComponent *GetSpriteComponent()
+        {
+            return m_spriteComponent;
+        }
+
+      protected:
+        SpriteComponent *CONST m_spriteComponent{};
+    };
+} // namespace ia::iae