Implemented KRResourceBinding and KRTextureBinding, apply to KRSprite

kraken/resources/KRResourceBinding.cpp

@@ -0,0 +1,92 @@
+//
+//  KRResource.cpp
+//  Kraken Engine
+//
+//  Copyright 2025 Kearwood Gilbert. All rights reserved.
+//  
+//  Redistribution and use in source and binary forms, with or without modification, are
+//  permitted provided that the following conditions are met:
+//  
+//  1. Redistributions of source code must retain the above copyright notice, this list of
+//  conditions and the following disclaimer.
+//  
+//  2. Redistributions in binary form must reproduce the above copyright notice, this list
+//  of conditions and the following disclaimer in the documentation and/or other materials
+//  provided with the distribution.
+//  
+//  THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''AS IS'' AND ANY EXPRESS OR IMPLIED
+//  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+//  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KEARWOOD GILBERT OR
+//  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+//  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+//  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+//  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+//  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+//  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//  
+//  The views and conclusions contained in the software and documentation are those of the
+//  authors and should not be interpreted as representing official policies, either expressed
+//  or implied, of Kearwood Gilbert.
+//
+
+#include "KREngine-common.h"
+#include "KRResourceBinding.h"
+#include "KRContext.h"
+
+KRResourceBinding::KRResourceBinding(std::string& name)
+  : m_name(name)
+  , m_resource(nullptr)
+{
+}
+
+KRResourceBinding::KRResourceBinding()
+  : m_resource(nullptr)
+{
+}
+
+KRResourceBinding::~KRResourceBinding()
+{
+  m_resource = nullptr;
+  m_name.clear();
+}
+
+KRResource* KRResourceBinding::get()
+{
+  return m_resource;
+}
+
+void KRResourceBinding::set(KRResource* resource)
+{
+  if (resource == nullptr) {
+    m_resource = nullptr;
+    m_name.clear();
+    return;
+  }
+
+  m_resource = resource;
+  m_name = resource->getName();
+}
+
+const std::string& KRResourceBinding::getName() const
+{
+  return m_name;
+}
+
+void KRResourceBinding::setName(const std::string& name)
+{
+  if (m_name == name) {
+    return;
+  }
+  m_name = name;
+  m_resource = nullptr;
+}
+
+void KRResourceBinding::clear()
+{
+  set(nullptr);
+}
+
+bool KRResourceBinding::isLoaded() const
+{
+  return m_resource != nullptr;
+}

kraken/resources/KRResourceBinding.h

@@ -0,0 +1,60 @@
+//
+//  KRResourceBinding.h
+//  Kraken Engine
+//
+//  Copyright 2025 Kearwood Gilbert. All rights reserved.
+//  
+//  Redistribution and use in source and binary forms, with or without modification, are
+//  permitted provided that the following conditions are met:
+//  
+//  1. Redistributions of source code must retain the above copyright notice, this list of
+//  conditions and the following disclaimer.
+//  
+//  2. Redistributions in binary form must reproduce the above copyright notice, this list
+//  of conditions and the following disclaimer in the documentation and/or other materials
+//  provided with the distribution.
+//  
+//  THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''AS IS'' AND ANY EXPRESS OR IMPLIED
+//  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+//  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KEARWOOD GILBERT OR
+//  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+//  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+//  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+//  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+//  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+//  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//  
+//  The views and conclusions contained in the software and documentation are those of the
+//  authors and should not be interpreted as representing official policies, either expressed
+//  or implied, of Kearwood Gilbert.
+//
+
+#pragma once
+
+#include "KREngine-common.h"
+#include "KRContextObject.h"
+
+class KRResource;
+class KRContext;
+
+class KRResourceBinding
+{
+public:
+  KRResourceBinding(std::string& name);
+  KRResourceBinding();
+  ~KRResourceBinding();
+
+  KRResource* get();
+  void set(KRResource* resource);
+  void clear();
+
+  const std::string& getName() const;
+  void setName(const std::string& name);
+
+  virtual bool load(KRContext* context) = 0;
+  bool isLoaded() const;
+
+protected:
+  KRResource* m_resource;
+  std::string m_name;
+};

kraken/resources/texture/KRTextureBinding.cpp

@@ -0,0 +1,53 @@
+//
+//  KRTextureBinding.cpp
+//  Kraken Engine
+//
+//  Copyright 2025 Kearwood Gilbert. All rights reserved.
+//  
+//  Redistribution and use in source and binary forms, with or without modification, are
+//  permitted provided that the following conditions are met:
+//  
+//  1. Redistributions of source code must retain the above copyright notice, this list of
+//  conditions and the following disclaimer.
+//  
+//  2. Redistributions in binary form must reproduce the above copyright notice, this list
+//  of conditions and the following disclaimer in the documentation and/or other materials
+//  provided with the distribution.
+//  
+//  THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''AS IS'' AND ANY EXPRESS OR IMPLIED
+//  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+//  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KEARWOOD GILBERT OR
+//  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+//  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+//  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+//  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+//  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+//  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//  
+//  The views and conclusions contained in the software and documentation are those of the
+//  authors and should not be interpreted as representing official policies, either expressed
+//  or implied, of Kearwood Gilbert.
+//
+
+#include "KREngine-common.h"
+#include "KRContext.h"
+#include "KRTexture.h"
+#include "KRTextureBinding.h"
+
+KRTexture* KRTextureBinding::get()
+{
+  return static_cast<KRTexture*>(m_resource);
+}
+
+bool KRTextureBinding::load(KRContext* context)
+{
+  if (m_name.size() == 0) {
+    return true;
+  }
+  if (m_resource != nullptr) {
+    return true;
+  }
+  m_resource = context->getTextureManager()->getTexture(m_name);
+
+  return (m_resource != nullptr);
+}

kraken/resources/texture/KRTextureBinding.h

@@ -0,0 +1,46 @@
+//
+//  KRTextureBinding.h
+//  Kraken Engine
+//
+//  Copyright 2025 Kearwood Gilbert. All rights reserved.
+//
+//  Redistribution and use in source and binary forms, with or without modification, are
+//  permitted provided that the following conditions are met:
+//
+//  1. Redistributions of source code must retain the above copyright notice, this list of
+//  conditions and the following disclaimer.
+//
+//  2. Redistributions in binary form must reproduce the above copyright notice, this list
+//  of conditions and the following disclaimer in the documentation and/or other materials
+//  provided with the distribution.
+//
+//  THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''AS IS'' AND ANY EXPRESS OR IMPLIED
+//  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+//  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KEARWOOD GILBERT OR
+//  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+//  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+//  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+//  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+//  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+//  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+//  The views and conclusions contained in the software and documentation are those of the
+//  authors and should not be interpreted as representing official policies, either expressed
+//  or implied, of Kearwood Gilbert.
+//
+
+#pragma once
+
+#include "KREngine-common.h"
+#include "resources/KRResourceBinding.h"
+
+class KRTexture;
+
+class KRTextureBinding : public KRResourceBinding
+{
+public:
+  KRTexture* get();
+
+  bool load(KRContext* context) override final;
+private:
+};