From 1ed89592fc40c93d04c5da87bbc5dcfd5ac4157f Mon Sep 17 00:00:00 2001
From: gered <gered+github@blarg.ca>
Date: Sun, 27 Feb 2011 14:41:02 -0500
Subject: [PATCH] ms3d importing now also looks for a separate animation
 definition text file, which will be included in the export data (if present)

---
 MeshConverter/src/ms3d/ms3d.cpp | 77 +++++++++++++++++++++++++++++++++
 MeshConverter/src/ms3d/ms3d.h   |  9 ++++
 2 files changed, 86 insertions(+)

diff --git a/MeshConverter/src/ms3d/ms3d.cpp b/MeshConverter/src/ms3d/ms3d.cpp
index 66a5021..d863e5c 100644
--- a/MeshConverter/src/ms3d/ms3d.cpp
+++ b/MeshConverter/src/ms3d/ms3d.cpp
@@ -188,6 +188,56 @@ bool Ms3d::Load(const std::string &file)
 
 	fclose(fp);
 
+	// check for an animation definition file
+	std::string animationFile = file;
+	animationFile.erase(animationFile.find_last_of('.', std::string::npos));
+	animationFile.append(".animations");
+
+	fp = fopen(animationFile.c_str(), "r");
+	if (fp != NULL)
+	{
+		char *buffer = new char[80];
+		std::string line;
+		std::string name;
+		std::string temp;
+		int start;
+		int end;
+
+		while (!feof(fp))
+		{
+			fgets(buffer, 80, fp);
+			line = buffer;
+
+			if (strlen(buffer) > 5)		// minimum length for a viable frame definition
+			{
+				// get animation name
+				int nameEnd = line.find_first_of(',');
+				if (nameEnd == std::string::npos)
+					continue;
+				name = line.substr(0, nameEnd);
+
+				// get start frame index
+				int startEnd = line.find_first_of(',', nameEnd + 1);
+				if (startEnd == std::string::npos)
+					continue;
+				temp = line.substr(nameEnd + 1, startEnd);
+				start = atoi(temp.c_str());
+
+				// get end frame index
+				temp = line.substr(startEnd + 1, std::string::npos);
+				end = atoi(temp.c_str());
+
+				Ms3dAnimation *animation = new Ms3dAnimation();
+				animation->name = name;
+				animation->startFrame = start;
+				animation->endFrame = end;
+				m_animations.push_back(*animation);
+			}
+		}
+		delete[] buffer;
+
+		fclose(fp);
+	}
 	return true;
 }
 
@@ -316,6 +366,33 @@ bool Ms3d::ConvertToMesh(const std::string &file)
 		}
 	}
 
+	if (m_animations.size() > 0)
+	{
+		// figure out the size of all the animation name strings
+		long sizeofNames = 0;
+		for (int i = 0; i < m_animations.size(); ++i)
+			sizeofNames += m_animations[i].name.length() + 1;
+
+		// animations chunk
+		fputs("ANI", fp);
+		long numAnimations = m_animations.size();
+		long sizeofAnimations = (sizeof(long) * 2) * numAnimations + sizeofNames + sizeof(long);
+		fwrite(&sizeofAnimations, sizeof(long), 1, fp);
+		fwrite(&numAnimations, sizeof(long), 1, fp);
+		for (long i = 0; i < numAnimations; ++i)
+		{
+			long data;
+			const Ms3dAnimation *animation = &m_animations[i];
+			//fputs(animation->name.c_str(), fp);
+			fputs(animation->name.c_str(), fp);
+			fwrite("\0", 1, 1, fp);
+			data = animation->startFrame;
+			fwrite(&data, sizeof(long), 1, fp);
+			data = animation->endFrame;
+			fwrite(&data, sizeof(long), 1, fp);
+		}
+	}
+
 	fclose(fp);
 
 	return true;
diff --git a/MeshConverter/src/ms3d/ms3d.h b/MeshConverter/src/ms3d/ms3d.h
index 0ddeec5..c52b5e1 100644
--- a/MeshConverter/src/ms3d/ms3d.h
+++ b/MeshConverter/src/ms3d/ms3d.h
@@ -4,6 +4,7 @@
 #include <string>
 #include "../geometry/vector3.h"
 #include "../geometry/vector2.h"
+#include <vector>
 
 struct Ms3dHeader
 {
@@ -93,6 +94,13 @@ struct Ms3dJoint
 	}
 };
 
+struct Ms3dAnimation
+{
+	std::string name;
+	unsigned int startFrame;
+	unsigned int endFrame;
+};
+
 class Ms3d
 {
 public:
@@ -132,6 +140,7 @@ private:
 	Ms3dMesh *m_meshes;
 	Ms3dMaterial *m_materials;
 	Ms3dJoint *m_joints;
+	std::vector<Ms3dAnimation> m_animations;
 };
 
 #endif