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d3dx9: Add support for loading mesh normals from X files.

This commit is contained in:
Dylan Smith 2011-05-20 16:25:10 -04:00 committed by Alexandre Julliard
parent a9ac91054e
commit 6c9cff2e3f
1 changed files with 177 additions and 3 deletions
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180
dlls/d3dx9_36/mesh.c
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@ -36,6 +36,7 @@
#include "rmxftmpl.h"
#include "wine/debug.h"
#include "wine/unicode.h"
#include "wine/list.h"
#include "d3dx9_36_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(d3dx);
@ -1822,6 +1823,12 @@ struct mesh_data {
DWORD *indices;
DWORD fvf;
/* optional mesh data */
DWORD num_normals;
D3DXVECTOR3 *normals;
DWORD *normal_indices;
};
static HRESULT get_next_child(IDirectXFileData *filedata, IDirectXFileData **child, const GUID **type)
@ -1855,6 +1862,95 @@ static HRESULT get_next_child(IDirectXFileData *filedata, IDirectXFileData **chi
return hr;
}
static HRESULT parse_normals(IDirectXFileData *filedata, struct mesh_data *mesh)
{
HRESULT hr;
DWORD data_size;
BYTE *data;
DWORD *index_out_ptr;
int i;
DWORD num_face_indices = mesh->num_poly_faces * 2 + mesh->num_tri_faces;
HeapFree(GetProcessHeap(), 0, mesh->normals);
mesh->num_normals = 0;
mesh->normals = NULL;
mesh->normal_indices = NULL;
mesh->fvf |= D3DFVF_NORMAL;
hr = IDirectXFileData_GetData(filedata, NULL, &data_size, (void**)&data);
if (FAILED(hr)) return hr;
/* template Vector {
* FLOAT x;
* FLOAT y;
* FLOAT z;
* }
* template MeshFace {
* DWORD nFaceVertexIndices;
* array DWORD faceVertexIndices[nFaceVertexIndices];
* }
* template MeshNormals {
* DWORD nNormals;
* array Vector normals[nNormals];
* DWORD nFaceNormals;
* array MeshFace faceNormals[nFaceNormals];
* }
*/
if (data_size < sizeof(DWORD) * 2)
goto truncated_data_error;
mesh->num_normals = *(DWORD*)data;
data += sizeof(DWORD);
if (data_size < sizeof(DWORD) * 2 + mesh->num_normals * sizeof(D3DXVECTOR3) +
num_face_indices * sizeof(DWORD))
goto truncated_data_error;
mesh->normals = HeapAlloc(GetProcessHeap(), 0, mesh->num_normals * sizeof(D3DXVECTOR3));
mesh->normal_indices = HeapAlloc(GetProcessHeap(), 0, num_face_indices * sizeof(DWORD));
if (!mesh->normals || !mesh->normal_indices)
return E_OUTOFMEMORY;
memcpy(mesh->normals, data, mesh->num_normals * sizeof(D3DXVECTOR3));
data += mesh->num_normals * sizeof(D3DXVECTOR3);
for (i = 0; i < mesh->num_normals; i++)
D3DXVec3Normalize(&mesh->normals[i], &mesh->normals[i]);
if (*(DWORD*)data != mesh->num_poly_faces) {
WARN("number of face normals (%u) doesn't match number of faces (%u)\n",
*(DWORD*)data, mesh->num_poly_faces);
return E_FAIL;
}
data += sizeof(DWORD);
index_out_ptr = mesh->normal_indices;
for (i = 0; i < mesh->num_poly_faces; i++)
{
DWORD j;
DWORD count = *(DWORD*)data;
if (count != mesh->num_tri_per_face[i] + 2) {
WARN("face %u: number of normals (%u) doesn't match number of vertices (%u)\n",
i, count, mesh->num_tri_per_face[i] + 2);
return E_FAIL;
}
data += sizeof(DWORD);
for (j = 0; j < count; j++) {
DWORD normal_index = *(DWORD*)data;
if (normal_index >= mesh->num_normals) {
WARN("face %u, normal index %u: reference to undefined normal %u (only %u normals)\n",
i, j, normal_index, mesh->num_normals);
return E_FAIL;
}
*index_out_ptr++ = normal_index;
data += sizeof(DWORD);
}
}
return D3D_OK;
truncated_data_error:
WARN("truncated data (%u bytes)\n", data_size);
return E_FAIL;
}
/* for provide_flags parameters */
#define PROVIDE_MATERIALS 0x1
#define PROVIDE_SKININFO 0x2
@ -1953,8 +2049,7 @@ static HRESULT parse_mesh(IDirectXFileData *filedata, struct mesh_data *mesh_dat
while (SUCCEEDED(hr = get_next_child(filedata, &child, &type)))
{
if (IsEqualGUID(type, &TID_D3DRMMeshNormals)) {
FIXME("Mesh normal loading not implemented.\n");
hr = E_NOTIMPL;
hr = parse_normals(child, mesh_data);
} else if (IsEqualGUID(type, &TID_D3DRMMeshVertexColors)) {
FIXME("Mesh vertex color loading not implemented.\n");
hr = E_NOTIMPL;
@ -1997,8 +2092,13 @@ static HRESULT load_skin_mesh_from_xof(IDirectXFileData *filedata,
HRESULT hr;
DWORD *index_in_ptr;
struct mesh_data mesh_data;
DWORD total_vertices;
ID3DXMesh *d3dxmesh = NULL;
ID3DXBuffer *adjacency = NULL;
struct vertex_duplication {
DWORD normal_index;
struct list entry;
} *duplications = NULL;
int i;
void *vertices = NULL;
void *indices = NULL;
@ -2015,7 +2115,54 @@ static HRESULT load_skin_mesh_from_xof(IDirectXFileData *filedata,
hr = parse_mesh(filedata, &mesh_data, provide_flags);
if (FAILED(hr)) goto cleanup;
hr = D3DXCreateMeshFVF(mesh_data.num_tri_faces, mesh_data.num_vertices, D3DXMESH_MANAGED, mesh_data.fvf, device, &d3dxmesh);
total_vertices = mesh_data.num_vertices;
if (mesh_data.fvf & D3DFVF_NORMAL) {
/* duplicate vertices with multiple normals */
DWORD num_face_indices = mesh_data.num_poly_faces * 2 + mesh_data.num_tri_faces;
duplications = HeapAlloc(GetProcessHeap(), 0, (mesh_data.num_vertices + num_face_indices) * sizeof(*duplications));
if (!duplications) {
hr = E_OUTOFMEMORY;
goto cleanup;
}
for (i = 0; i < total_vertices; i++)
{
duplications[i].normal_index = -1;
list_init(&duplications[i].entry);
}
for (i = 0; i < num_face_indices; i++) {
DWORD vertex_index = mesh_data.indices[i];
DWORD normal_index = mesh_data.normal_indices[i];
struct vertex_duplication *dup_ptr = &duplications[vertex_index];
if (dup_ptr->normal_index == -1) {
dup_ptr->normal_index = normal_index;
} else {
D3DXVECTOR3 *new_normal = &mesh_data.normals[normal_index];
struct list *dup_list = &dup_ptr->entry;
while (TRUE) {
D3DXVECTOR3 *cur_normal = &mesh_data.normals[dup_ptr->normal_index];
if (new_normal->x == cur_normal->x &&
new_normal->y == cur_normal->y &&
new_normal->z == cur_normal->z)
{
mesh_data.indices[i] = dup_ptr - duplications;
break;
} else if (!list_next(dup_list, &dup_ptr->entry)) {
dup_ptr = &duplications[total_vertices++];
dup_ptr->normal_index = normal_index;
list_add_tail(dup_list, &dup_ptr->entry);
mesh_data.indices[i] = dup_ptr - duplications;
break;
} else {
dup_ptr = LIST_ENTRY(list_next(dup_list, &dup_ptr->entry),
struct vertex_duplication, entry);
}
}
}
}
}
hr = D3DXCreateMeshFVF(mesh_data.num_tri_faces, total_vertices, D3DXMESH_MANAGED, mesh_data.fvf, device, &d3dxmesh);
if (FAILED(hr)) goto cleanup;
hr = d3dxmesh->lpVtbl->LockVertexBuffer(d3dxmesh, D3DLOCK_DISCARD, &vertices);
@ -2025,6 +2172,30 @@ static HRESULT load_skin_mesh_from_xof(IDirectXFileData *filedata,
for (i = 0; i < mesh_data.num_vertices; i++) {
*(D3DXVECTOR3*)out_ptr = mesh_data.vertices[i];
out_ptr += sizeof(D3DXVECTOR3);
if (mesh_data.fvf & D3DFVF_NORMAL) {
if (duplications[i].normal_index == -1)
ZeroMemory(out_ptr, sizeof(D3DXVECTOR3));
else
*(D3DXVECTOR3*)out_ptr = mesh_data.normals[duplications[i].normal_index];
out_ptr += sizeof(D3DXVECTOR3);
}
}
if (mesh_data.fvf & D3DFVF_NORMAL) {
DWORD vertex_size = D3DXGetFVFVertexSize(mesh_data.fvf);
out_ptr = vertices;
for (i = 0; i < mesh_data.num_vertices; i++) {
struct vertex_duplication *dup_ptr;
LIST_FOR_EACH_ENTRY(dup_ptr, &duplications[i].entry, struct vertex_duplication, entry)
{
int j = dup_ptr - duplications;
BYTE *dest_vertex = (BYTE*)vertices + j * vertex_size;
memcpy(dest_vertex, out_ptr, vertex_size);
dest_vertex += sizeof(D3DXVECTOR3);
*(D3DXVECTOR3*)dest_vertex = mesh_data.normals[dup_ptr->normal_index];
}
out_ptr += vertex_size;
}
}
d3dxmesh->lpVtbl->UnlockVertexBuffer(d3dxmesh);
@ -2078,6 +2249,9 @@ cleanup:
HeapFree(GetProcessHeap(), 0, mesh_data.vertices);
HeapFree(GetProcessHeap(), 0, mesh_data.num_tri_per_face);
HeapFree(GetProcessHeap(), 0, mesh_data.indices);
HeapFree(GetProcessHeap(), 0, mesh_data.normals);
HeapFree(GetProcessHeap(), 0, mesh_data.normal_indices);
HeapFree(GetProcessHeap(), 0, duplications);
return hr;
}