--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dmmodel.h	Thu Nov 07 20:15:33 2019 +0200
@@ -0,0 +1,187 @@
+//
+//
+//
+#ifndef DMMODEL_H
+#define DMMODEL_H 1
+
+#include "dmutil.h"
+#include <cstdint>
+#include <fstream>
+#include <unordered_map>
+
+
+#define PLY_PROP_VERTEX_INDICES  "vertex_indices"
+#define PLY_ELEM_FACE            "face"
+#define PLY_ELEM_VERTEX          "vertex"
+
+
+enum DMPLYFormat
+{
+    PLY_FMT_UNKNOWN,
+    PLY_FMT_ASCII,
+    PLY_FMT_BIN_LE,
+    PLY_FMT_BIN_BE
+};
+
+
+enum DMPLYPropType
+{
+    PLY_TYPE_NONE,
+    PLY_TYPE_LIST,
+
+    PLY_TYPE_UINT8,
+    PLY_TYPE_INT8,
+    PLY_TYPE_INT16,
+    PLY_TYPE_UINT16,
+    PLY_TYPE_INT32,
+    PLY_TYPE_UINT32,
+    PLY_TYPE_FLOAT,
+    PLY_TYPE_DOUBLE
+};
+
+
+/* Structures
+ */
+union DMPLYPropValue
+{
+    double v_double;
+    float v_float;
+    unsigned int v_uint;
+    int v_int;
+};
+
+
+struct DMPLYFileProperty
+{
+    std::string name;
+    DMPLYPropType
+        type,
+        list_num_type,
+        list_values_type;
+
+    DMPLYPropValue value, list_num_value;
+    std::vector<DMPLYPropValue> list_values;
+};
+
+
+struct DMPLYFileElement
+{
+    int value;
+    std::string name;
+
+    std::unordered_map<std::string, DMPLYFileProperty> prop_map;
+    std::vector<DMPLYFileProperty *> properties;
+
+    DMPLYFileProperty *checkProp(const std::string &prop)
+    {
+        if (prop_map.count(prop))
+            return &prop_map[prop];
+        else
+            return 0;
+    }
+};
+
+
+struct DMTextFileInfo
+{
+    int nline, state;
+    std::string filename;
+    std::string line;
+    std::ifstream file;
+};
+
+
+struct DMPLYFileInfo : DMTextFileInfo
+{
+    DMPLYFormat format;
+
+    std::unordered_map<std::string, DMPLYFileElement> elem_map;
+    std::vector<DMPLYFileElement *> elements;
+    DMPLYFileElement *element;
+
+    DMPLYFileInfo()
+    {
+        element = 0;
+        format = PLY_FMT_UNKNOWN;
+    }
+
+    DMPLYFileElement *checkElem(const std::string &elem)
+    {
+        if (elem_map.count(elem))
+            return &elem_map[elem];
+        else
+            return 0;
+    }
+};
+
+
+struct DMColor
+{
+    int r, g, b, alpha;
+};
+
+
+struct DMVertex
+{
+    float x, y, z;
+};
+
+
+struct DMModel
+{
+    int nvertices, nfaces;
+    std::vector<DMVertex> vertices, normals;
+    std::vector<unsigned int> faces;
+
+    DMColor color;
+    DMVertex translate, scale, rotate;
+
+    unsigned int id_prog, id_fs, id_vs;
+
+    bool loadFromPLY(const std::string &filename);
+    bool loadFromPLY(const std::string &filename, DMPLYFileInfo &info);
+
+    void printInfo()
+    {
+        printf(
+            "MODEL: scale <%1.5f, %1.5f, %1.5f>\n"
+            "MODEL: translate <%1.5f, %1.5f, %1.5f>\n"
+            "MODEL: rotate <%1.5f, %1.5f, %1.5f>\n"
+            ,
+            scale.x, scale.y, scale.z,
+            translate.x, translate.y, translate.z,
+            rotate.x, rotate.y, rotate.z);
+    }
+
+    DMModel()
+    {
+        translate.x = translate.y = translate.z = 0;
+        rotate.x = rotate.y = rotate.z = 0;
+        scale.x = scale.y = scale.z = 1;
+    }
+};
+
+
+struct DMLight
+{
+    DMVertex pos;
+    float ambient[4], diffuse[4], specular[4];
+};
+
+
+struct DMCamera
+{
+    DMVertex pos, lookAt;
+};
+
+
+struct DMSimpleScene
+{
+    DMModel model;
+    DMCamera camera;
+    std::vector<DMLight> lights;
+
+    bool loadInfo(const std::string &filename);
+};
+
+#endif