int objLoad(char* filePath) {
FILE* file = fopen(filePath, "r");
char* line = (char*)calloc(LINE_SIZE, sizeof(char));
char* token = NULL, * delim = " \n\t";
int vertexCount = 0, textureCount = 0, normalCount = 0, faceCount = 0;
while(fgets(line, LINE_SIZE, file) != NULL) {
if(prefix("vt", line)) ++textureCount;
else if(prefix("vn", line)) ++normalCount;
else if(prefix("v", line)) ++vertexCount;
else if(prefix("f", line)) ++faceCount;
}
rewind(file);
obj* object = (obj*)calloc(1, sizeof(obj));
object->faceCount = faceCount;
object->vertexCount = vertexCount;
object->vertices = (vec3*)calloc(vertexCount, sizeof(vec3));
object->shared = (int*)calloc(vertexCount, sizeof(int));
object->normals = (vec3*)calloc(normalCount, sizeof(vec3));
object->tangents = (vec3*)calloc(vertexCount, sizeof(vec3));
object->bitangents = (vec3*)calloc(vertexCount, sizeof(vec3));
object->textures = (vec2*)calloc(textureCount, sizeof(vec2));
object->faces = (face*)calloc(faceCount, sizeof(face));
int vertexTally = 0, normalTally = 0, textureTally = 0, faceTally = 0;
while(fgets(line, LINE_SIZE, file) != NULL) {
if(prefix("vt", line)) {
parseVec2(line, &object->textures[textureTally]);
object->textures[textureTally].y = 1.0 - object->textures[textureTally].y;
++textureTally;
}
else if(prefix("vn", line)) parseVec3(line, &object->normals[normalTally++]);
else if(prefix("v", line)) parseVec3(line, &object->vertices[vertexTally++]);
else if(prefix("f", line)) parseFace(line, object->faces[faceTally++]);
}
uniqueMap(object);
free(line);
fclose(file);
int index = nextIndex();
objects[index] = object;
return index;
}
bool Properties::getVec2(const char* name, Vec2* out) const
{
return parseVec2(getString(name), out);
}
StyleParam::Value StyleParam::parseString(StyleParamKey key, const std::string& _value) {
switch (key) {
case StyleParamKey::extrude: {
return parseExtrudeString(_value);
}
case StyleParamKey::text_wrap: {
int textWrap;
if (_value == "false") {
return std::numeric_limits<uint32_t>::max();
}
if (_value == "true") {
return 15; // DEFAULT
}
if (parseInt(_value, textWrap) > 0 && textWrap > 0) {
return static_cast<uint32_t>(textWrap);
}
return std::numeric_limits<uint32_t>::max();
}
case StyleParamKey::text_offset:
case StyleParamKey::offset: {
UnitVec<glm::vec2> vec;
if (!parseVec2(_value, { Unit::pixel }, vec) || std::isnan(vec.value.y)) {
LOGW("Invalid offset parameter '%s'.", _value.c_str());
}
return vec.value;
}
case StyleParamKey::size: {
UnitVec<glm::vec2> vec;
if (!parseVec2(_value, { Unit::pixel }, vec)) {
LOGW("Invalid size parameter '%s'.", _value.c_str());
}
return vec.value;
}
case StyleParamKey::transition_hide_time:
case StyleParamKey::transition_show_time:
case StyleParamKey::transition_selected_time:
case StyleParamKey::text_transition_hide_time:
case StyleParamKey::text_transition_show_time:
case StyleParamKey::text_transition_selected_time: {
float time = 0.0f;
if (!parseTime(_value, time)) {
LOGW("Invalid time param '%s'", _value.c_str());
}
return time;
}
case StyleParamKey::text_font_family:
case StyleParamKey::text_font_weight:
case StyleParamKey::text_font_style: {
std::string normalized = _value;
std::transform(normalized.begin(), normalized.end(), normalized.begin(), ::tolower);
return normalized;
}
case StyleParamKey::text_align:
case StyleParamKey::anchor:
case StyleParamKey::text_anchor:
case StyleParamKey::text_source:
case StyleParamKey::text_transform:
case StyleParamKey::sprite:
case StyleParamKey::sprite_default:
case StyleParamKey::style:
case StyleParamKey::outline_style:
case StyleParamKey::text_repeat_group:
return _value;
case StyleParamKey::text_font_size: {
float fontSize = 0.f;
if (!parseFontSize(_value, fontSize)) {
LOGW("Invalid font-size '%s'.", _value.c_str());
}
return fontSize;
}
case StyleParamKey::centroid:
case StyleParamKey::interactive:
case StyleParamKey::text_interactive:
case StyleParamKey::tile_edges:
case StyleParamKey::visible:
case StyleParamKey::collide:
case StyleParamKey::text_collide:
if (_value == "true") { return true; }
if (_value == "false") { return false; }
LOGW("Bool value required for capitalized/visible. Using Default.");
break;
case StyleParamKey::order:
case StyleParamKey::outline_order:
case StyleParamKey::priority:
case StyleParamKey::text_priority: {
int num;
if (parseInt(_value, num) > 0) {
if (num >= 0) {
return static_cast<uint32_t>(num);
}
}
LOGW("Invalid '%s' value '%s'", keyName(key).c_str(), _value.c_str());
break;
}
case StyleParamKey::text_repeat_distance: {
ValueUnitPair repeatDistance;
repeatDistance.unit = Unit::pixel;
int pos = parseValueUnitPair(_value, 0, repeatDistance);
if (pos < 0) {
LOGW("Invalid repeat distance value '%s'", _value.c_str());
repeatDistance.value = 256.0f;
repeatDistance.unit = Unit::pixel;
} else {
if (repeatDistance.unit != Unit::pixel) {
LOGW("Invalid unit provided for repeat distance");
}
}
return Width(repeatDistance);
}
case StyleParamKey::width:
case StyleParamKey::outline_width: {
ValueUnitPair width;
width.unit = Unit::meter;
int pos = parseValueUnitPair(_value, 0, width);
if (pos < 0) {
LOGW("Invalid width value '%s'", _value.c_str());
width.value = 2.0f;
width.unit = Unit::pixel;
}
return Width(width);
}
case StyleParamKey::miter_limit:
case StyleParamKey::outline_miter_limit:
case StyleParamKey::text_font_stroke_width: {
double num;
if (parseFloat(_value, num) > 0) {
return static_cast<float>(num);
}
break;
}
case StyleParamKey::color:
case StyleParamKey::outline_color:
case StyleParamKey::text_font_fill:
case StyleParamKey::text_font_stroke_color:
return parseColor(_value);
case StyleParamKey::cap:
case StyleParamKey::outline_cap:
return static_cast<uint32_t>(CapTypeFromString(_value));
case StyleParamKey::join:
case StyleParamKey::outline_join:
return static_cast<uint32_t>(JoinTypeFromString(_value));
default:
break;
}
return none_type{};
}
StyleParam::Value StyleParam::parseString(StyleParamKey key, const std::string& _value) {
switch (key) {
case StyleParamKey::extrude: {
return parseExtrudeString(_value);
}
case StyleParamKey::text_wrap: {
int textWrap;
if (_value == "false") {
return std::numeric_limits<uint32_t>::max();
}
if (_value == "true") {
return uint32_t(15); // DEFAULT
}
if (parseInt(_value, textWrap) > 0 && textWrap > 0) {
return static_cast<uint32_t>(textWrap);
}
return std::numeric_limits<uint32_t>::max();
}
case StyleParamKey::text_offset:
case StyleParamKey::offset: {
UnitVec<glm::vec2> vec;
if (!parseVec2(_value, { Unit::pixel }, vec) || std::isnan(vec.value.y)) {
LOGW("Invalid offset parameter '%s'.", _value.c_str());
}
return vec.value;
}
case StyleParamKey::size: {
UnitVec<glm::vec2> vec;
if (!parseVec2(_value, { Unit::pixel }, vec)) {
LOGW("Invalid size parameter '%s'.", _value.c_str());
}
return vec.value;
}
case StyleParamKey::transition_hide_time:
case StyleParamKey::transition_show_time:
case StyleParamKey::transition_selected_time:
case StyleParamKey::text_transition_hide_time:
case StyleParamKey::text_transition_show_time:
case StyleParamKey::text_transition_selected_time: {
float time = 0.0f;
if (!parseTime(_value, time)) {
LOGW("Invalid time param '%s'", _value.c_str());
}
return time;
}
case StyleParamKey::text_font_family:
case StyleParamKey::text_font_weight:
case StyleParamKey::text_font_style: {
std::string normalized = _value;
std::transform(normalized.begin(), normalized.end(), normalized.begin(), ::tolower);
return normalized;
}
case StyleParamKey::anchor:
case StyleParamKey::text_anchor: {
LabelProperty::Anchors anchors;
for (auto& anchor : splitString(_value, ',')) {
if (anchors.count == LabelProperty::max_anchors) { break; }
LabelProperty::Anchor labelAnchor;
if (LabelProperty::anchor(anchor, labelAnchor)) {
anchors.anchor[anchors.count++] = labelAnchor;
} else {
LOG("Invalid anchor %s", anchor.c_str());
}
}
return anchors;
}
case StyleParamKey::placement: {
LabelProperty::Placement placement = LabelProperty::Placement::vertex;
if (!LabelProperty::placement(_value, placement)) {
LOG("Invalid placement parameter, Setting vertex as default.");
}
return placement;
}
case StyleParamKey::text_align:
case StyleParamKey::text_source:
case StyleParamKey::text_transform:
case StyleParamKey::sprite:
case StyleParamKey::sprite_default:
case StyleParamKey::style:
case StyleParamKey::outline_style:
case StyleParamKey::repeat_group:
case StyleParamKey::text_repeat_group:
return _value;
case StyleParamKey::text_font_size: {
float fontSize = 0.f;
if (!parseFontSize(_value, fontSize)) {
LOGW("Invalid font-size '%s'.", _value.c_str());
}
return fontSize;
}
case StyleParamKey::flat:
case StyleParamKey::interactive:
case StyleParamKey::text_interactive:
case StyleParamKey::tile_edges:
case StyleParamKey::visible:
case StyleParamKey::text_visible:
case StyleParamKey::outline_visible:
case StyleParamKey::collide:
case StyleParamKey::text_optional:
case StyleParamKey::text_collide:
if (_value == "true") { return true; }
if (_value == "false") { return false; }
LOGW("Invalid boolean value %s for key %s", _value.c_str(), StyleParam::keyName(key).c_str());
break;
case StyleParamKey::text_order:
LOGW("text:order parameter is ignored.");
break;
case StyleParamKey::order:
case StyleParamKey::outline_order:
case StyleParamKey::priority:
case StyleParamKey::text_priority: {
int num;
if (parseInt(_value, num) > 0) {
if (num >= 0) {
return static_cast<uint32_t>(num);
}
}
LOGW("Invalid '%s' value '%s'", keyName(key).c_str(), _value.c_str());
break;
}
case StyleParamKey::placement_spacing: {
ValueUnitPair placementSpacing;
placementSpacing.unit = Unit::pixel;
int pos = parseValueUnitPair(_value, 0, placementSpacing);
if (pos < 0) {
LOGW("Invalid placement spacing value '%s'", _value.c_str());
placementSpacing.value = 80.0f;
placementSpacing.unit = Unit::pixel;
} else {
if (placementSpacing.unit != Unit::pixel) {
LOGW("Invalid unit provided for placement spacing");
}
}
return Width(placementSpacing);
}
case StyleParamKey::repeat_distance:
case StyleParamKey::text_repeat_distance: {
ValueUnitPair repeatDistance;
repeatDistance.unit = Unit::pixel;
int pos = parseValueUnitPair(_value, 0, repeatDistance);
if (pos < 0) {
LOGW("Invalid repeat distance value '%s'", _value.c_str());
repeatDistance.value = 256.0f;
repeatDistance.unit = Unit::pixel;
} else {
if (repeatDistance.unit != Unit::pixel) {
LOGW("Invalid unit provided for repeat distance");
}
}
return Width(repeatDistance);
}
case StyleParamKey::width:
case StyleParamKey::outline_width: {
ValueUnitPair width;
width.unit = Unit::meter;
int pos = parseValueUnitPair(_value, 0, width);
if (pos < 0) {
LOGW("Invalid width value '%s'", _value.c_str());
width.value = 2.0f;
width.unit = Unit::pixel;
}
return Width(width);
}
case StyleParamKey::angle: {
double num;
if (_value == "auto") {
return std::nanf("1");
} else if (parseFloat(_value, num) > 0) {
return static_cast<float>(num);
}
break;
}
case StyleParamKey::miter_limit:
case StyleParamKey::outline_miter_limit:
case StyleParamKey::placement_min_length_ratio:
case StyleParamKey::text_font_stroke_width: {
double num;
if (parseFloat(_value, num) > 0) {
return static_cast<float>(num);
}
break;
}
case StyleParamKey::color:
case StyleParamKey::outline_color:
case StyleParamKey::text_font_fill:
case StyleParamKey::text_font_stroke_color:
return parseColor(_value);
case StyleParamKey::cap:
case StyleParamKey::outline_cap:
return static_cast<uint32_t>(CapTypeFromString(_value));
case StyleParamKey::join:
case StyleParamKey::outline_join:
return static_cast<uint32_t>(JoinTypeFromString(_value));
default:
break;
}
return none_type{};
}
void OBJFileReader::parseLine(const char*& current, const char* endOfLine)
{
if(matchCommand(current, "v"))
positions.push_back(parseVec3(current));
else if(matchCommand(current, "vn"))
normals.push_back(parseVec3(current));
else if(matchCommand(current, "vt"))
texcoords.push_back(parseVec2(current));
else if(matchCommand(current, "f")) // face
{
int count = 0;
while(!errThisLine && *current)
{
VertInfo nfo;
nfo.pos = parseIndex(current, positions.size());
if(*current == '/')
nfo.tex = parseIndex(++current, texcoords.size());
else
nfo.tex = -1;
if(*current == '/')
nfo.norm = parseIndex(++current, normals.size());
else
nfo.norm = -1;
if(*current && !isspace(*current))
diagnostic(false, current, "unexpected character after vertex indices");
vertices.push_back(nfo);
count++;
}
if(count < 3)
diagnostic(false, current, "need at least 3 vertices for a face");
else if(count > 4)
diagnostic(true, current, "non-tri/quad face");
FaceInfo nfo;
nfo.start = vertices.size() - count;
nfo.count = count;
nfo.mtrl = currentMaterial;
nfo.smoothing_group = currentSmoothingGroup;
faces.push_back(nfo);
}
else if(matchCommand(current, "g")) // group
{
current = endOfLine;
}
else if(matchCommand(current, "o")) // object
{
current = endOfLine;
}
else if(matchCommand(current, "s")) // smooth shading
{
if(matchCommand(current, "off"))
currentSmoothingGroup = -1;
else
currentSmoothingGroup = parseInt(current) - 1;
}
else if(matchCommand(current, "usemtl"))
{
currentMaterial = findMaterial(current);
current = endOfLine;
}
else if(matchCommand(current, "mtllib"))
{
MTLFileReader mtlreader;
if(!mtlreader.read((basepath + current).c_str()))
diagnostic(false, current, "error reading material library");
else
{
materials.swap(mtlreader.materials);
current = endOfLine;
defaultMaterial = -1;
defaultMaterial = findMaterial("default");
sVERIFY(defaultMaterial != -1);
currentMaterial = defaultMaterial;
}
}
else
diagnostic(false, current, "unknown command");
}
StyleParam::Value StyleParam::parseString(StyleParamKey key, const std::string& _value) {
switch (key) {
case StyleParamKey::extrude: {
if (_value == "true") { return glm::vec2(NAN, NAN); }
if (_value == "false") { return glm::vec2(0, 0) ; }
auto vec2 = glm::vec2(NAN, NAN);
if (!parseVec2(_value, { Unit::meter, Unit::pixel }, vec2)) {
LOGW("Invalid extrude parameter '%s'.", _value.c_str());
}
return vec2;
}
case StyleParamKey::text_wrap: {
int textWrap;
if (_value == "true") return textWrap;
if (_value == "false") return std::numeric_limits<uint32_t>::max();
if (parseInt(_value, textWrap) > 0) {
return static_cast<uint32_t>(textWrap);
}
}
case StyleParamKey::offset: {
auto vec2 = glm::vec2(0.f, 0.f);
if (!parseVec2(_value, { Unit::pixel }, vec2) || isnan(vec2.y)) {
LOGW("Invalid offset parameter '%s'.", _value.c_str());
}
return vec2;
}
case StyleParamKey::size: {
auto vec2 = glm::vec2(0.f, 0.f);
if (!parseVec2(_value, { Unit::pixel }, vec2)) {
LOGW("Invalid size parameter '%s'.", _value.c_str());
}
return vec2;
}
case StyleParamKey::transition_hide_time:
case StyleParamKey::transition_show_time:
case StyleParamKey::transition_selected_time: {
float time = 0.0f;
if (!parseTime(_value, time)) {
LOGW("Invalid time param '%s'", _value.c_str());
}
return time;
}
case StyleParamKey::align:
case StyleParamKey::anchor:
case StyleParamKey::font_family:
case StyleParamKey::font_weight:
case StyleParamKey::font_style:
case StyleParamKey::text_source:
case StyleParamKey::transform:
case StyleParamKey::sprite:
case StyleParamKey::sprite_default:
case StyleParamKey::style:
return _value;
case StyleParamKey::font_size: {
float fontSize = 0.f;
if (!parseFontSize(_value, fontSize)) {
LOGW("Invalid font-size '%s'.", _value.c_str());
}
return fontSize;
}
case StyleParamKey::centroid:
case StyleParamKey::interactive:
case StyleParamKey::visible:
case StyleParamKey::collide:
if (_value == "true") { return true; }
if (_value == "false") { return false; }
LOGW("Bool value required for capitalized/visible. Using Default.");
break;
case StyleParamKey::order:
case StyleParamKey::outline_order:
case StyleParamKey::priority: {
int num;
if (parseInt(_value, num) > 0) {
return static_cast<uint32_t>(num);
}
break;
}
case StyleParamKey::width:
case StyleParamKey::outline_width: {
ValueUnitPair width;
width.unit = Unit::meter;
int pos = parseValueUnitPair(_value, 0, width);
if (pos < 0) {
logMsg("Warning: Invalid width value '%s'\n", _value.c_str());
width.value = 2.0f;
width.unit = Unit::pixel;
}
return Width(width);
}
case StyleParamKey::font_stroke_width: {
double num;
if (parseFloat(_value, num) > 0) {
return static_cast<float>(num);
}
break;
}
case StyleParamKey::color:
case StyleParamKey::outline_color:
case StyleParamKey::font_fill:
case StyleParamKey::font_stroke_color:
return parseColor(_value);
case StyleParamKey::cap:
case StyleParamKey::outline_cap:
return static_cast<uint32_t>(CapTypeFromString(_value));
case StyleParamKey::join:
case StyleParamKey::outline_join:
return static_cast<uint32_t>(JoinTypeFromString(_value));
case StyleParamKey::none:
break;
}
return none_type{};
}
StyleParam::Value StyleParam::parseString(StyleParamKey key, const std::string& _value) {
switch (key) {
case StyleParamKey::extrude: {
if (_value == "true") { return glm::vec2(NAN, NAN); }
if (_value == "false") { return glm::vec2(0, 0) ; }
auto vec2 = glm::vec2(NAN, NAN);
if (!parseVec2(_value, {"m", "px"}, vec2)) {
logMsg("Warning: Badly formed extrude parameter %s.\n", _value.c_str());
}
return vec2;
}
case StyleParamKey::offset:
case StyleParamKey::size: {
auto vec2 = glm::vec2(0.f, 0.f);
if (!parseVec2(_value, {"px"}, vec2)) {
logMsg("Warning: Badly formed offset parameter %s.\n", _value.c_str());
}
return vec2;
}
case StyleParamKey::font_family:
case StyleParamKey::font_weight:
case StyleParamKey::font_style:
case StyleParamKey::text_source:
case StyleParamKey::transform:
case StyleParamKey::sprite:
case StyleParamKey::sprite_default:
return _value;
case StyleParamKey::font_size: {
float fontSize = 16;
if (!parseFontSize(_value, fontSize)) {
logMsg("Warning: Invalid font-size '%s'.\n", _value.c_str());
}
return fontSize;
}
case StyleParamKey::visible:
if (_value == "true") { return true; }
if (_value == "false") { return false; }
logMsg("Warning: Bool value required for capitalized/visible. Using Default.");
break;
case StyleParamKey::order:
case StyleParamKey::priority: {
try {
return static_cast<uint32_t>(std::stoi(_value));
} catch (std::invalid_argument) {
} catch (std::out_of_range) {}
logMsg("Warning: Not an Integer '%s', key: '%s'",
_value.c_str(), keyName(key));
break;
}
case StyleParamKey::width:
case StyleParamKey::outline_width:
case StyleParamKey::font_stroke_width: {
try {
return static_cast<float>(std::stof(_value));
} catch (std::invalid_argument) {
} catch (std::out_of_range) {}
logMsg("Warning: Not a Float '%s', key: '%s'",
_value.c_str(), keyName(key));
break;
}
case StyleParamKey::color:
case StyleParamKey::outline_color:
case StyleParamKey::font_fill:
case StyleParamKey::font_stroke:
case StyleParamKey::font_stroke_color:
return parseColor(_value);
case StyleParamKey::cap:
case StyleParamKey::outline_cap:
return static_cast<uint32_t>(CapTypeFromString(_value));
case StyleParamKey::join:
case StyleParamKey::outline_join:
return static_cast<uint32_t>(JoinTypeFromString(_value));
case StyleParamKey::none:
break;
}
return none_type{};
}