soil_generator::soil_generator(world& w, const ptree& conf)
: terrain_generator_i(w, conf)
, surfacemap_(w.find_area_generator("surface"))
, grass_(find_material("grass"))
, dirt_(find_material("dirt"))
, rock_(find_material("cobblestone"))
, sand_(find_material("sand"))
{
if (surfacemap_ < 0)
throw std::runtime_error("soil_generator requires a surface map");
}
material_type::material_type(std::string ident)
{
material_type* mat_type = find_material(ident);
_id = mat_type->id();
_name = mat_type->name();
_bash_resist = mat_type->bash_resist();
_cut_resist = mat_type->cut_resist();
_acid_resist = mat_type->acid_resist();
_elec_resist = mat_type->elec_resist();
_fire_resist = mat_type->fire_resist();
}
struct mesh *find_mesh(struct model *model, char *matname)
{
struct material *material = find_material(model, matname);
struct mesh *mesh;
for (mesh = model->mesh; mesh; mesh = mesh->next)
if (mesh->material == material)
return mesh;
mesh = malloc(sizeof(struct mesh));
mesh->material = material;
mesh->len = mesh->cap = 0;
mesh->tri = 0;
mesh->next = model->mesh;
mesh->vba = 0;
mesh->vbo = 0;
model->mesh = mesh;
return mesh;
}
material_type::material_type(std::string ident)
{
material_type* mat_type = find_material(ident);
_ident = ident;
_name = mat_type->name();
_bash_resist = mat_type->bash_resist();
_cut_resist = mat_type->cut_resist();
_bash_dmg_verb = mat_type->bash_dmg_verb();
_cut_dmg_verb = mat_type->bash_dmg_verb();
_dmg_adj[0] = mat_type->dmg_adj(1);
_dmg_adj[1] = mat_type->dmg_adj(2);
_dmg_adj[2] = mat_type->dmg_adj(3);
_dmg_adj[3] = mat_type->dmg_adj(4);
_acid_resist = mat_type->acid_resist();
_elec_resist = mat_type->elec_resist();
_fire_resist = mat_type->fire_resist();
_density = mat_type->density();
}
material_type::material_type( std::string ident )
{
material_type *mat_type = find_material( ident );
_ident = ident;
_name = mat_type->name();
_salvage_id = mat_type->salvage_id();
_salvage_multiplier = mat_type->salvage_multiplier();
_bash_resist = mat_type->bash_resist();
_cut_resist = mat_type->cut_resist();
_bash_dmg_verb = mat_type->bash_dmg_verb();
_cut_dmg_verb = mat_type->bash_dmg_verb();
_acid_resist = mat_type->acid_resist();
_elec_resist = mat_type->elec_resist();
_fire_resist = mat_type->fire_resist();
_chip_resist = mat_type->chip_resist();
_density = mat_type->density();
for( auto i = 0; i != MAX_ITEM_DAMAGE; ++i ) {
_dmg_adj[i] = mat_type->dmg_adj( i + 1 );
}
}
void export_node(FILE *out, const struct aiScene *scene, const struct aiNode *node,
struct aiMatrix4x4 mat, char *clean_name)
{
struct aiMatrix3x3 mat3;
int i, a, k, t;
aiMultiplyMatrix4(&mat, &node->mTransformation);
mat3.a1 = mat.a1; mat3.a2 = mat.a2; mat3.a3 = mat.a3;
mat3.b1 = mat.b1; mat3.b2 = mat.b2; mat3.b3 = mat.b3;
mat3.c1 = mat.c1; mat3.c2 = mat.c2; mat3.c3 = mat.c3;
if (!strstr(node->mName.data, "$ColladaAutoName$"))
clean_name = clean_node_name((char*)node->mName.data);
if (only_one_node && strcmp(clean_name, only_one_node))
goto skip_mesh;
for (i = 0; i < node->mNumMeshes; i++) {
struct aiMesh *mesh = scene->mMeshes[node->mMeshes[i]];
struct aiMaterial *material = scene->mMaterials[mesh->mMaterialIndex];
if (mesh->mNumBones == 0 && dobone && !dorigid) {
if (verbose)
fprintf(stderr, "skipping rigid mesh %d in node %s (no bones)\n", i, clean_name);
continue;
}
fprintf(stderr, "exporting mesh %s[%d]: %d vertices, %d faces\n",
clean_name, i, mesh->mNumVertices, mesh->mNumFaces);
fprintf(out, "\n");
fprintf(out, "mesh \"%s\"\n", clean_name);
fprintf(out, "material \"%s\"\n", find_material(material));
struct vb *vb = (struct vb*) malloc(mesh->mNumVertices * sizeof(*vb));
memset(vb, 0, mesh->mNumVertices * sizeof(*vb));
// A rigidly animated node -- insert fake blend index/weights
if (mesh->mNumBones == 0 && dobone) {
a = find_bone((char*)node->mName.data);
if (verbose)
fprintf(stderr, "\trigid bone %d for mesh in node %s (no bones)\n", bonelist[a].number, node->mName.data);
for (k = 0; k < mesh->mNumVertices; k++) {
vb[k].b[0] = bonelist[a].number;
vb[k].w[0] = 1;
vb[k].n = 1;
}
}
// Assemble blend index/weight array
for (k = 0; k < mesh->mNumBones; k++) {
struct aiBone *bone = mesh->mBones[k];
a = find_bone(bone->mName.data);
for (t = 0; t < bone->mNumWeights; t++) {
struct aiVertexWeight *w = mesh->mBones[k]->mWeights + t;
int idx = w->mVertexId;
if (vb[idx].n < MAXBLEND) {
vb[idx].b[vb[idx].n] = bonelist[a].number;
vb[idx].w[vb[idx].n] = w->mWeight;
vb[idx].n++;
}
}
}
for (k = 0; k < mesh->mNumVertices; k++) {
struct aiVector3D vp = mesh->mVertices[k];
if (!dobone)
aiTransformVecByMatrix4(&vp, &mat);
fprintf(out, "vp %.9g %.9g %.9g\n", vp.x, vp.y, vp.z);
if (mesh->mNormals) {
struct aiVector3D vn = mesh->mNormals[k];
if (!dobone)
aiTransformVecByMatrix3(&vn, &mat3);
fprintf(out, "vn %.9g %.9g %.9g\n", vn.x, vn.y, vn.z);
}
if (mesh->mTextureCoords[0]) {
float u = mesh->mTextureCoords[0][k].x;
float v = 1 - mesh->mTextureCoords[0][k].y;
fprintf(out, "vt %.9g %.9g\n", u, v);
}
for (t = 1; t <= MAX_UVMAP; t++) {
if (mesh->mTextureCoords[t]) {
float u = mesh->mTextureCoords[t][k].x;
float v = 1 - mesh->mTextureCoords[t][k].y;
fprintf(out, "v%d %.9g %.9g\n", FIRST_UVMAP+t-1, u, v);
}
}
if (mesh->mColors[0]) {
float r = mesh->mColors[0][k].r; r = floorf(r * 255) / 255;
float g = mesh->mColors[0][k].g; g = floorf(g * 255) / 255;
float b = mesh->mColors[0][k].b; b = floorf(b * 255) / 255;
float a = mesh->mColors[0][k].a; a = floorf(a * 255) / 255;
fprintf(out, "vc %.9g %.9g %.9g %.9g\n", r, g, b, a);
}
for (t = 1; t <= MAX_COL; t++) {
if (mesh->mColors[t]) {
float r = mesh->mColors[t][k].r; r = floorf(r * 255) / 255;
float g = mesh->mColors[t][k].g; g = floorf(g * 255) / 255;
float b = mesh->mColors[t][k].b; b = floorf(b * 255) / 255;
float a = mesh->mColors[t][k].a; a = floorf(a * 255) / 255;
fprintf(out, "v%d %.9g %.9g %.9g %.9g\n", FIRST_COL+t-1, r, g, b, a);
}
}
if (dobone) {
fprintf(out, "vb");
for (t = 0; t < vb[k].n; t++) {
fprintf(out, " %d %.9g", vb[k].b[t], vb[k].w[t]);
}
fprintf(out, "\n");
}
}
for (k = 0; k < mesh->mNumFaces; k++) {
struct aiFace *face = mesh->mFaces + k;
if (face->mNumIndices == 3) {
if (doflip)
fprintf(out, "fm %d %d %d\n", face->mIndices[2], face->mIndices[1], face->mIndices[0]);
else
fprintf(out, "fm %d %d %d\n", face->mIndices[0], face->mIndices[1], face->mIndices[2]);
} else if (face->mNumIndices == 4) {
if (doflip)
fprintf(out, "fm %d %d %d %d\n", face->mIndices[3], face->mIndices[2], face->mIndices[1], face->mIndices[0]);
else
fprintf(out, "fm %d %d %d %d\n", face->mIndices[0], face->mIndices[1], face->mIndices[2], face->mIndices[3]);
} else if (face->mNumIndices > 4) {
fprintf(stderr, "n-gon (%d) in mesh!\n", face->mNumIndices);
int i1 = face->mIndices[0];
int i2 = face->mIndices[1];
for (a = 2; a < face->mNumIndices; a++) {
int i3 = face->mIndices[a];
if (doflip)
fprintf(out, "fm %d %d %d\n", i3, i2, i1);
else
fprintf(out, "fm %d %d %d\n", i1, i2, i3);
i2 = i3;
}
} else {
fprintf(stderr, "skipping point/line primitive\n");
}
}
free(vb);
}
skip_mesh:
for (i = 0; i < node->mNumChildren; i++)
export_node(out, scene, node->mChildren[i], mat, clean_name);
}
