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added skybox and multitexture feature in .obj

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This commit is contained in:
Sandro Sobczyński
2020-10-28 16:19:24 +01:00
parent bde819903b
commit 18e00f8e17
9 changed files with 142 additions and 87 deletions
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src/engine/models/obj_model.cpp
+33 -39
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@@ -29,10 +29,14 @@ ObjModel::~ObjModel()
delete[] vertices;
delete[] coordinates;
delete[] normals;
delete[] verticeFaces;
delete[] coordinateFaces;
delete[] normalFaces;
for (u16 i = 0; i < materialsCount; i++)
{
delete[] materials[i].verticeFaces;
delete[] materials[i].coordinateFaces;
delete[] materials[i].normalFaces;
delete[] materials[i].materialName;
}
delete[] materials;
}
}
@@ -40,55 +44,45 @@ ObjModel::~ObjModel()
// 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 ObjModel::getFacesCount()
{
u32 result = 0;
for (u16 i = 0; i < materialsCount; i++)
result += materials[i].facesCount;
return result;
}
u32 ObjModel::getDrawData(u32 t_materialIndex, 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)
for (u32 j = 0; j < materials[t_materialIndex].facesCount; j += 3)
if (!t_shouldBeBackfaceCulled || Vector3::shouldBeBackfaceCulled(
&t_cameraPos,
&vertices[verticeFaces[i]],
&vertices[verticeFaces[i + 1]],
&vertices[verticeFaces[i + 2]]) == 0)
&vertices[materials[t_materialIndex].verticeFaces[j]],
&vertices[materials[t_materialIndex].verticeFaces[j + 1]],
&vertices[materials[t_materialIndex].verticeFaces[j + 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++);
fillNextFace(o_vertices, o_normals, o_coordinates, o_colors, t_materialIndex, j, addedFaces++);
fillNextFace(o_vertices, o_normals, o_coordinates, o_colors, t_materialIndex, j + 1, addedFaces++);
fillNextFace(o_vertices, o_normals, o_coordinates, o_colors, t_materialIndex, j + 2, addedFaces++);
}
return addedFaces;
}
/** Allocate memory for vertices,coords etc.
* Called by ObjLoader
*/
void ObjModel::allocateMemory()
void ObjModel::fillNextFace(VECTOR *o_vertices, VECTOR *o_normals, VECTOR *o_coordinates, VECTOR *o_colors, u32 t_materialI, u32 t_getI, u32 t_setI)
{
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][0] = vertices[materials[t_materialI].verticeFaces[t_getI]].x;
o_vertices[t_setI][1] = vertices[materials[t_materialI].verticeFaces[t_getI]].y;
o_vertices[t_setI][2] = vertices[materials[t_materialI].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][0] = normals[materials[t_materialI].normalFaces[t_getI]].x;
o_normals[t_setI][1] = normals[materials[t_materialI].normalFaces[t_getI]].y;
o_normals[t_setI][2] = normals[materials[t_materialI].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][0] = coordinates[materials[t_materialI].coordinateFaces[t_getI]].x;
o_coordinates[t_setI][1] = coordinates[materials[t_materialI].coordinateFaces[t_getI]].y;
o_coordinates[t_setI][2] = 1.0F;
o_coordinates[t_setI][3] = 1.0F;