moved from h4570/tyra

2020-10-28 09:16:49 +01:00
commit 68eb496e11
90 changed files with 8066 additions and 0 deletions
@@ -0,0 +1,99 @@
+/*
+# ______       ____   ___
+#   |     \/   ____| |___|    
+#   |     |   |   \  |   |       
+#-----------------------------------------------------------------------
+# Copyright 2020, tyra - https://github.com/h4570/tyra
+# Licenced under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#include "../include/models/obj_model.hpp"
+
+#include "../include/utils/debug.hpp"
+#include "../include/utils/string.hpp"
+
+// ----
+// Constructors/Destructors
+// ----
+
+ObjModel::ObjModel(char *t_objFile)
+{
+    filename = String::createWithoutExtension(t_objFile);
+}
+
+ObjModel::~ObjModel()
+{
+    if (isMemoryAllocated == true)
+    {
+        delete[] vertices;
+        delete[] coordinates;
+        delete[] normals;
+
+        delete[] verticeFaces;
+        delete[] coordinateFaces;
+        delete[] normalFaces;
+    }
+}
+
+// ----
+// Methods
+// ----
+
+u32 ObjModel::getDrawData(VECTOR *o_vertices, VECTOR *o_normals, VECTOR *o_coordinates, VECTOR *o_colors, Vector3 &t_cameraPos, float t_scale, u8 t_shouldBeBackfaceCulled)
+{
+    u32 addedFaces = 0;
+    for (u32 i = 0; i < facesCount; i += 3)
+        if (!t_shouldBeBackfaceCulled || Vector3::shouldBeBackfaceCulled(
+                                             &t_cameraPos,
+                                             &vertices[verticeFaces[i]],
+                                             &vertices[verticeFaces[i + 1]],
+                                             &vertices[verticeFaces[i + 2]]) == 0)
+        {
+            fillNextFace(o_vertices, o_normals, o_coordinates, o_colors, i, addedFaces++);
+            fillNextFace(o_vertices, o_normals, o_coordinates, o_colors, i + 1, addedFaces++);
+            fillNextFace(o_vertices, o_normals, o_coordinates, o_colors, i + 2, addedFaces++);
+        }
+
+    return addedFaces;
+}
+
+/** Allocate memory for vertices,coords etc. 
+ * Called by ObjLoader
+ */
+void ObjModel::allocateMemory()
+{
+    PRINT_LOG("Allocating 3D object specification memory");
+    vertices = new Vector3[verticesCount];
+    coordinates = new Vector3[coordinatesCount];
+    normals = new Vector3[normalsCount];
+
+    verticeFaces = new u32[facesCount];
+    coordinateFaces = new u32[facesCount];
+    normalFaces = new u32[facesCount];
+    isMemoryAllocated = true;
+    PRINT_LOG("3D object specification memory allocated!");
+}
+
+void ObjModel::fillNextFace(VECTOR *o_vertices, VECTOR *o_normals, VECTOR *o_coordinates, VECTOR *o_colors, u32 t_getI, u32 t_setI)
+{
+    o_vertices[t_setI][0] = vertices[verticeFaces[t_getI]].x;
+    o_vertices[t_setI][1] = vertices[verticeFaces[t_getI]].y;
+    o_vertices[t_setI][2] = vertices[verticeFaces[t_getI]].z;
+    o_vertices[t_setI][3] = 1.0F;
+
+    o_normals[t_setI][0] = normals[normalFaces[t_getI]].x;
+    o_normals[t_setI][1] = normals[normalFaces[t_getI]].y;
+    o_normals[t_setI][2] = normals[normalFaces[t_getI]].z;
+    o_normals[t_setI][3] = 1.0F;
+
+    o_coordinates[t_setI][0] = coordinates[coordinateFaces[t_getI]].x;
+    o_coordinates[t_setI][1] = coordinates[coordinateFaces[t_getI]].y;
+    o_coordinates[t_setI][2] = 1.0F;
+    o_coordinates[t_setI][3] = 1.0F;
+
+    o_colors[t_setI][0] = 1.0F;
+    o_colors[t_setI][1] = 1.0F;
+    o_colors[t_setI][2] = 1.0F;
+    o_colors[t_setI][3] = 1.0F;
+}