X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=src%2Ftilemap.cc;fp=src%2Ftilemap.cc;h=0852f98e846af7a4be83ed55257157bbd288cef8;hb=7d15b919681bb9ec0088b4b27c6abf62d6dfb9b1;hp=0000000000000000000000000000000000000000;hpb=0fffd0097d7b496454413e57b398c903ecc252e4;p=chaz%2Fyoink

diff --git a/src/tilemap.cc b/src/tilemap.cc
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+
+/*******************************************************************************
+
+ Copyright (c) 2009, Charles McGarvey
+ All rights reserved.
+ 
+ Redistribution   and   use  in  source  and  binary  forms,  with  or  without
+ modification, are permitted provided that the following conditions are met:
+ 
+   * Redistributions  of  source  code  must retain the above copyright notice,
+     this list of conditions and the following disclaimer.
+   * 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT HOLDER 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.
+
+*******************************************************************************/
+
+#include <cassert>
+
+#include "mippleton.hh"
+#include "serializable.hh"
+#include "deserializer.hh"
+
+#include "opengl.hh"
+
+#include "tilemap.hh"
+
+
+namespace dc {
+
+
+class tilemap::tilemap_impl : public mippleton<tilemap_impl>
+{
+public:
+	tilemap_impl(const std::string& name) :
+		mippleton<tilemap_impl>(name),
+		tilesU_(1),
+		tilesV_(1),
+		minFilter_(GL_NEAREST),
+		maxFilter_(GL_NEAREST),
+		wrapU_(GL_CLAMP),
+		wrapV_(GL_CLAMP)
+	{
+		loadFromFile();
+	}
+
+	void loadFromFile()
+	{
+		deserializer in(tilemap::getPathToResource(getName()));
+
+		serializable_ptr root = in.deserialize();
+
+		if (root)
+		{
+			std::map<std::string,serializable_ptr> rootMap;
+
+			if (root->get(rootMap))
+			{
+				std::map<std::string,serializable_ptr>::iterator it;
+
+				if ((it = rootMap.find("TilesU")) != rootMap.end())
+				{
+					long value;
+					if ((*it).second->get(value))
+					{
+						tilesU_ = unsigned(value);
+					}
+				}
+				if ((it = rootMap.find("TilesV")) != rootMap.end())
+				{
+					long value;
+					if ((*it).second->get(value))
+					{
+						tilesV_ = unsigned(value);
+					}
+				}
+				if ((it = rootMap.find("MinFilter")) != rootMap.end())
+				{
+					std::string value;
+					if ((*it).second->get(value))
+					{
+						if (value == "Linear")
+						{
+							minFilter_ = GL_LINEAR;
+						}
+					}
+				}
+				if ((it = rootMap.find("MaxFilter")) != rootMap.end())
+				{
+					std::string value;
+					if ((*it).second->get(value))
+					{
+						if (value == "Linear")
+						{
+							maxFilter_ = GL_LINEAR;
+						}
+					}
+				}
+				if ((it = rootMap.find("WrapU")) != rootMap.end())
+				{
+					std::string value;
+					if ((*it).second->get(value))
+					{
+						if (value == "Repeat")
+						{
+							wrapU_ = GL_REPEAT;
+						}
+					}
+				}
+				if ((it = rootMap.find("WrapV")) != rootMap.end())
+				{
+					std::string value;
+					if ((*it).second->get(value))
+					{
+						if (value == "Repeat")
+						{
+							wrapV_ = GL_REPEAT;
+						}
+					}
+				}
+			}
+		}
+	}
+
+	unsigned tilesU_;
+	unsigned tilesV_;
+	GLuint minFilter_;
+	GLuint maxFilter_;
+	GLuint wrapU_;
+	GLuint wrapV_;
+};
+
+
+tilemap::tilemap(const std::string& name) :
+	texture(name),
+	impl(tilemap::tilemap_impl::retain(name), &tilemap::tilemap_impl::release)
+{
+	setMinFilter(impl->minFilter_);
+	setMaxFilter(impl->maxFilter_);
+	setWrapU(impl->wrapU_);
+	setWrapV(impl->wrapV_);
+	applyChanges();
+}
+
+
+void tilemap::getTileCoords(unsigned index, scalar coords[8])
+{
+	assert(index < impl->tilesU_ * impl->tilesV_);
+
+	scalar w = 1.0 / scalar(impl->tilesU_);
+	scalar h = 1.0 / scalar(impl->tilesV_);
+
+	coords[0] = scalar(index % impl->tilesU_) * w;
+	coords[1] = (scalar(impl->tilesV_ - 1) - scalar(index / impl->tilesU_)) * h;
+	coords[2] = coords[0] + w;
+	coords[3] = coords[1];
+	coords[4] = coords[2];
+	coords[5] = coords[1] + h;
+	coords[6] = coords[0];
+	coords[7] = coords[5];
+}
+
+void tilemap::getTileCoords(unsigned index, scalar coords[8], orientation what)
+{
+	getTileCoords(index, coords);
+
+	if (what & flip)
+	{
+		coords[1] = coords[5];
+		coords[5] = coords[3];
+		coords[3] = coords[7];
+		coords[7] = coords[5];
+	}
+	if (what & reverse)
+	{
+		coords[0] = coords[2];
+		coords[2] = coords[6];
+		coords[4] = coords[6];
+		coords[6] = coords[0];
+	}
+}
+
+
+std::string tilemap::getPathToResource(const std::string& name)
+{
+	return resource::getPathToResource("tilemaps/" + name + ".json");
+}
+
+
+} // namespace dc
+
+/** vim: set ts=4 sw=4 tw=80: *************************************************/
+