82 lines
3.1 KiB
C++
82 lines
3.1 KiB
C++
//
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// KRHelpers.cpp
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// Kraken Engine
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//
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// Copyright 2022 Kearwood Gilbert. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other materials
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// provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''AS IS'' AND ANY EXPRESS OR IMPLIED
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// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KEARWOOD GILBERT OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// The views and conclusions contained in the software and documentation are those of the
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// authors and should not be interpreted as representing official policies, either expressed
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// or implied, of Kearwood Gilbert.
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//
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#include "KREngine-common.h"
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#include "KRHelpers.h"
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namespace kraken {
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void SetUniform(GLint location, const Vector2 &v)
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{
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if (location != -1) GLDEBUG(glUniform2f(location, v.x, v.y));
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}
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void SetUniform(GLint location, const Vector3 &v)
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{
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if (location != -1) GLDEBUG(glUniform3f(location, v.x, v.y, v.z));
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}
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void SetUniform(GLint location, const Vector4 &v)
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{
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if (location != -1) GLDEBUG(glUniform4f(location, v.x, v.y, v.z, v.w));
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}
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void SetUniform(GLint location, const Matrix4 &v)
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{
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if (location != -1) GLDEBUG(glUniformMatrix4fv(location, 1, GL_FALSE, v.c));
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}
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void setXMLAttribute(const std::string &base_name, tinyxml2::XMLElement *e, const Vector3 &value, const Vector3 &default_value)
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{
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// TODO - Increase number of digits after the decimal in floating point format (6 -> 12?)
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// FINDME, TODO - This needs optimization...
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if (value != default_value) {
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e->SetAttribute((base_name + "_x").c_str(), value.x);
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e->SetAttribute((base_name + "_y").c_str(), value.y);
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e->SetAttribute((base_name + "_z").c_str(), value.z);
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}
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}
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const Vector3 getXMLAttribute(const std::string &base_name, tinyxml2::XMLElement *e, const Vector3 &default_value)
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{
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Vector3 value;
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if (e->QueryFloatAttribute((base_name + "_x").c_str(), &value.x) == tinyxml2::XML_SUCCESS
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&& e->QueryFloatAttribute((base_name + "_y").c_str(), &value.y) == tinyxml2::XML_SUCCESS
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&& e->QueryFloatAttribute((base_name + "_z").c_str(), &value.z) == tinyxml2::XML_SUCCESS) {
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return value;
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} else {
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return default_value;
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}
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}
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} // namespace kraken
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