loading of basic ms3d model data (no joint/animation data yet)

MeshConverter/src/ms3d/ms3d.cpp

@@ -4,15 +4,137 @@
 
 Ms3d::Ms3d()
 {
+	m_numVertices = 0;
+	m_numTriangles = 0;
+	m_numMeshes = 0;
+	m_numMaterials = 0;
+	m_vertices = NULL;
+	m_triangles = NULL;
+	m_meshes = NULL;
+	m_materials = NULL;
 }
 
 void Ms3d::Release()
 {
+	delete[] m_vertices;
+	delete[] m_triangles;
+	delete[] m_meshes;
+	delete[] m_materials;
+	m_numVertices = 0;
+	m_numTriangles = 0;
+	m_numMeshes = 0;
+	m_numMaterials = 0;
 }
 
 bool Ms3d::Load(const std::string &file)
 {
+	FILE *fp;
+	Ms3dHeader header;
+
+	fp = fopen(file.c_str(), "rb");
+	if (!fp)
 		return false;
+
+	// filetype verification
+	fread(&header.id, 10, 1, fp);
+	if (strncmp(header.id, "MS3D000000", 10) != 0)
+	{
+		fclose(fp);
+		return false;
+	}
+	fread(&header.version, 4, 1, fp);
+	if (header.version != 4)
+	{
+		fclose(fp);
+		return false;
+	}
+
+	// read vertices
+	fread(&m_numVertices, 2, 1, fp);
+	m_vertices = new Ms3dVertex[m_numVertices];
+
+	for (int i = 0; i < m_numVertices; ++i)
+	{
+		Ms3dVertex *vertex = &m_vertices[i];
+
+		fread(&vertex->editorFlags, 1, 1, fp);
+		fread(&vertex->vertex.x, 4, 1, fp);
+		fread(&vertex->vertex.y, 4, 1, fp);
+		fread(&vertex->vertex.z, 4, 1, fp);
+		fread(&vertex->jointIndex, 1, 1, fp);
+		fread(&vertex->unused, 1, 1, fp);
+	}
+
+	// read triangle definitions
+	fread(&m_numTriangles, 2, 1, fp);
+	m_triangles = new Ms3dTriangle[m_numTriangles];
+
+	for (int i = 0; i < m_numTriangles; ++i)
+	{
+		Ms3dTriangle *triangle = &m_triangles[i];
+
+		fread(&triangle->editorFlags, 2, 1, fp);
+		for (int j = 0; j < 3; ++j)
+			fread(&triangle->vertices[j], 2, 1, fp);
+		for (int j = 0; j < 3; ++j)
+		{
+			fread(&triangle->normals[j].x, 4, 1, fp);
+			fread(&triangle->normals[j].y, 4, 1, fp);
+			fread(&triangle->normals[j].z, 4, 1, fp);
+		}
+		for (int j = 0; j < 3; ++j)
+		{
+			fread(&triangle->texCoords[j].x, 4, 1, fp);
+			fread(&triangle->texCoords[j].y, 4, 1, fp);
+		}
+		fread(&triangle->smoothingGroup, 1, 1, fp);
+		fread(&triangle->meshIndex, 1, 1, fp);
+	}
+
+	// read mesh information
+	fread(&m_numMeshes, 2, 1, fp);
+	m_meshes = new Ms3dMesh[m_numMeshes];
+
+	for (int i = 0; i < m_numMeshes; ++i)
+	{
+		Ms3dMesh *mesh = &m_meshes[i];
+
+		fread(&mesh->editorFlags, 1, 1, fp);
+		fread(&mesh->name, 32, 1, fp);
+		fread(&mesh->numTriangles, 2, 1, fp);
+		mesh->triangles = new unsigned short[mesh->numTriangles];
+		for (int j = 0; j < mesh->numTriangles; ++j)
+			fread(&mesh->triangles[j], 2, 1, fp);
+		fread(&mesh->materialIndex, 1, 1, fp);
+	}
+
+	// read material information
+	fread(&m_numMaterials, 2, 1, fp);
+	m_materials = new Ms3dMaterial[m_numMaterials];
+
+	for (int i = 0; i < m_numMaterials; ++i)
+	{
+		Ms3dMaterial *material = &m_materials[i];
+
+		fread(&material->name, 32, 1, fp);
+		for (int j = 0; j < 4; ++j)
+			fread(&material->ambient[j], 4, 1, fp);
+		for (int j = 0; j < 4; ++j)
+			fread(&material->diffuse[j], 4, 1, fp);
+		for (int j = 0; j < 4; ++j)
+			fread(&material->specular[j], 4, 1, fp);
+		for (int j = 0; j < 4; ++j)
+			fread(&material->emissive[j], 4, 1, fp);
+		fread(&material->shininess, 4, 1, fp);
+		fread(&material->transparency, 4, 1, fp);
+		fread(&material->mode, 1, 1, fp);
+		fread(&material->texture, 128, 1, fp);
+		fread(&material->alpha, 128, 1, fp);
+	}
+
+	fclose(fp);
+
+	return true;
 }
 
 bool Ms3d::ConvertToMesh(const std::string &file)

MeshConverter/src/ms3d/ms3d.h

@@ -2,6 +2,65 @@
 #define __MS3D_H_INCLUDED__
 
 #include <string>
+#include "../geometry/vector3.h"
+#include "../geometry/vector2.h"
+
+struct Ms3dHeader
+{
+	char id[10];
+	long version;
+};
+
+struct Ms3dVertex
+{
+	unsigned char editorFlags;
+	Vector3 vertex;
+	char jointIndex;
+	unsigned char unused;
+};
+
+struct Ms3dTriangle
+{
+	unsigned short editorFlags;
+	unsigned short vertices[3];
+	Vector3 normals[3];
+	Vector2 texCoords[3];
+	unsigned char smoothingGroup;
+	unsigned char meshIndex;
+};
+
+struct Ms3dMesh
+{
+	unsigned char editorFlags;
+	char name[32];
+	unsigned short numTriangles;
+	unsigned short *triangles;
+	char materialIndex;
+
+	Ms3dMesh()
+	{
+		triangles = NULL;
+	}
+
+	~Ms3dMesh()
+	{
+		delete[] triangles;
+	}
+};
+
+struct Ms3dMaterial
+{
+	char name[32];
+	float ambient[4];
+	float diffuse[4];
+	float specular[4];
+	float emissive[4];
+	float shininess;
+	float transparency;
+	char mode;
+	char texture[128];
+	char alpha[128];
+};
 
 class Ms3d
 {
@@ -13,6 +72,24 @@ public:
 	bool Load(const std::string &file);
 	bool ConvertToMesh(const std::string &file);
 
+	unsigned short GetNumVertices()                        { return m_numVertices; }
+	unsigned short GetNumTriangles()                       { return m_numTriangles; }
+	unsigned short GetNumMeshes()                          { return m_numMeshes; }
+	unsigned short GetNumMaterials()                       { return m_numMaterials; }
+	Ms3dVertex* GetVertices()                              { return m_vertices; }
+	Ms3dTriangle* GetTriangles()                           { return m_triangles; }
+	Ms3dMesh* GetMeshes()                                  { return m_meshes; }
+	Ms3dMaterial* GetMaterials()                           { return m_materials; }
+
+private:
+	unsigned short m_numVertices;
+	unsigned short m_numTriangles;
+	unsigned short m_numMeshes;
+	unsigned short m_numMaterials;
+	Ms3dVertex *m_vertices;
+	Ms3dTriangle *m_triangles;
+	Ms3dMesh *m_meshes;
+	Ms3dMaterial *m_materials;
 };
 
 #endif