void SpriteDefinition::init (const TextureDefinition& textureDefinition)
{
ExecutionTime e("Sprites loading");
LUA lua;
if (!lua.load("sprites.lua")) {
System.exit("could not load sprites", 1);
return;
}
lua.getGlobalKeyValue("sprites");
while (lua.getNextKeyValue()) {
const std::string id = lua.getKey();
if (id.empty()) {
lua.pop();
continue;
}
SpriteDefMapConstIter findIter = _spriteDefs.find(id);
if (findIter != _spriteDefs.end()) {
error(LOG_GENERAL, "sprite def already defined: " + id);
lua.pop();
continue;
}
const std::string typeStr = lua.getValueStringFromTable("type").str();
const SpriteType& type = SpriteType::getByName(typeStr);
if (!type && !typeStr.empty()) {
error(LOG_GENERAL, "invalid sprite type given: " + typeStr);
}
const ThemeType& theme = ThemeType::getByName(lua.getValueStringFromTable("theme").str());
SpriteDef *def = new SpriteDef(id, type, theme);
def->fps = lua.getValueIntegerFromTable("fps", 20);
def->redirect = lua.getValueStringFromTable("redirect").str();
def->width = lua.getValueFloatFromTable("width", 1.0f);
def->height = lua.getValueFloatFromTable("height", 1.0f);
def->angle = lua.getValueIntegerFromTable("angle", 0);
def->rotateable = lua.getValueIntegerFromTable("rotateable", 0);
def->friction = lua.getValueFloatFromTable("friction", 0.2f);
def->restitution = lua.getValueFloatFromTable("restitution", 0.0f);
// push the frames table
const int layers = lua.getTable("frames");
for (Layer layer = LAYER_BACK; layer < layers; layer++) {
lua_pushinteger(lua.getState(), layer + 1);
lua_gettable(lua.getState(), -2);
// push the frame table
const int framesOnLayer = lua_rawlen(lua.getState(), -1);
for (int i = 1; i <= framesOnLayer; ++i) {
const std::string texture = lua.getTableString(i);
const SpriteDefFrame frame(texture, 0, true);
def->textures[layer].push_back(frame);
}
// pop the frame table
lua.pop();
}
// pop the frames table
lua.pop();
// push the polygons table
const int polygons = lua.getTable("polygons");
if (polygons > 0) {
for (int j = 1; j <= polygons; j++) {
lua_pushinteger(lua.getState(), j);
lua_gettable(lua.getState(), -2);
// push the polygon table
const int vertices = lua_rawlen(lua.getState(), -1) - 1;
const std::string userData = lua.getTableString(1);
SpritePolygon p(userData);
for (int i = 2; i <= vertices; i += 2) {
const float x = lua.getTableInteger(i) / 100.0f;
const float y = lua.getTableInteger(i + 1) / 100.0f;
p.vertices.push_back(SpriteVertex(x, y));
}
// pop the polygon table
lua.pop();
def->polygons.push_back(p);
}
}
// pop the polygons table
lua.pop();
// push the circles table
const int circles = lua.getTable("circles");
for (int j = 1; j <= circles; j++) {
lua_pushinteger(lua.getState(), j);
lua_gettable(lua.getState(), -2);
// push the circle table
const int entries = lua_rawlen(lua.getState(), -1);
if (entries == 4) {
const std::string userData = lua.getTableString(1);
SpriteCircle p(userData);
const float x = lua.getTableInteger(2) / 100.0f;
const float y = lua.getTableInteger(3) / 100.0f;
p.center = SpriteVertex(x, y);
p.radius = lua.getTableInteger(4) / 100.0f;
def->circles.push_back(p);
} else {
error(LOG_GENERAL, "invalid amount of entries for the circle shape");
}
// pop the circle table
lua.pop();
}
// pop the circles table
lua.pop();
for (Layer layer = LAYER_BACK; layer <= MAX_LAYERS; layer++) {
if (layer == MAX_LAYERS || def->textures[layer].empty()) {
int frame = 1;
std::string spriteFrameName = def->id;
switch (layer) {
case LAYER_BACK:
spriteFrameName += "-back-01";
break;
case LAYER_FRONT:
spriteFrameName += "-front-01";
break;
case LAYER_MIDDLE:
spriteFrameName += "-middle-01";
break;
case MAX_LAYERS:
// fallback
spriteFrameName += "-01";
break;
default:
break;
}
const size_t length = spriteFrameName.size();
char frameNumbers[] = { '0', '1', '\0' };
Layer layerToUse = layer;
if (layerToUse == MAX_LAYERS)
layerToUse = LAYER_MIDDLE;
for (;;) {
if (!textureDefinition.exists(spriteFrameName))
break;
def->textures[layerToUse].push_back(SpriteDefFrame(spriteFrameName, 0, true));
frame++;
const char first = frame / 10 + '0';
const char second = frame % 10 + '0';
frameNumbers[0] = first;
frameNumbers[1] = second;
spriteFrameName.replace(length - 2, length, frameNumbers);
}
}
}
const int actives = lua.getTable("active");
for (int i = 1; i <= actives; ++i) {
const bool active = lua.getTableBool(i);
for (Layer layer = LAYER_BACK; layer < MAX_LAYERS; layer++) {
const size_t textures = def->textures[layer].size();
if (textures < i)
continue;
SpriteDef::SpriteDefFrames& frames = def->textures[layer];
frames[i - 1].active = active;
}
}
// pop the active table
lua.pop();
const int delays = lua.getTable("delays");
for (int i = 1; i <= delays; ++i) {
const int delay = lua.getTableInteger(i);
for (Layer layer = LAYER_BACK; layer < MAX_LAYERS; layer++) {
const size_t textures = def->textures[layer].size();
if (textures >= i)
def->textures[layer][i - 1].delay = delay;
}
}
// pop the delays table
lua.pop();
lua.pop();
def->calcDelay();
_spriteDefs[id] = SpriteDefPtr(def);
}
}
void SpriteDefinition::init (const TextureDefinition& textureDefinition)
{
ExecutionTime e("Sprites loading");
Log::debug(LOG_COMMON, "Sprites loading");
LUA lua;
if (!lua.load("sprites.lua")) {
System.exit("could not load sprites", 1);
return;
}
LUA_checkStack2(lua.getState());
if (!lua.getGlobalKeyValue("sprites")) {
Log::error(LOG_COMMON, "spritedef: Could not find the global sprites map");
return;
}
while (lua.getNextKeyValue()) {
LUA_checkStack2(lua.getState());
const std::string id = lua.getKey();
if (id.empty()) {
Log::error(LOG_COMMON, "spritedef: no key found in definition: %s", lua.getStackDump().c_str());
lua.pop();
continue;
}
Log::debug(LOG_COMMON, "id: %s", id.c_str());
SpriteDefMapConstIter findIter = _spriteDefs.find(id);
if (findIter != _spriteDefs.end()) {
Log::error(LOG_COMMON, "sprite def already defined: %s", id.c_str());
lua.pop();
continue;
}
const std::string& typeStr = lua.getValueStringFromTable("type");
Log::debug(LOG_COMMON, "id: %s, type %s", id.c_str(), typeStr.c_str());
const SpriteType& type = SpriteType::getByName(typeStr);
if (!type && !typeStr.empty()) {
Log::error(LOG_COMMON, "invalid sprite type given: %s", typeStr.c_str());
}
const ThemeType& theme = ThemeType::getByName(lua.getValueStringFromTable("theme"));
SpriteDef *def = new SpriteDef(id, type, theme);
def->fps = lua.getValueIntegerFromTable("fps", 20);
def->redirect = lua.getValueStringFromTable("redirect");
def->width = lua.getValueFloatFromTable("width", 1.0f);
def->height = lua.getValueFloatFromTable("height", 1.0f);
def->angle = lua.getValueIntegerFromTable("angle", 0);
def->rotateable = lua.getValueIntegerFromTable("rotateable", 0);
def->friction = lua.getValueFloatFromTable("friction", 0.2f);
def->restitution = lua.getValueFloatFromTable("restitution", 0.0f);
// push the frames table
const int layers = lua.getTable("frames");
Log::debug(LOG_COMMON, "id: %s => %i frames", id.c_str(), layers);
if (layers > MAX_LAYERS) {
Log::error(LOG_COMMON, "invalid sprite layer amount given for %s: %i", id.c_str(), layers);
}
if (layers > 0) {
LUA_checkStack2(lua.getState());
lua_State* L = lua.getState();
lua_pushvalue(L, -1);
lua_pushnil(L);
Layer layer = LAYER_BACK;
while (lua_next(L, -2)) {
if (!lua_istable(lua.getState(), -1)) {
Log::error(LOG_COMMON, "spritedef: expected frame table on the stack: %s", lua.getStackDump().c_str());
lua.pop();
continue;
}
// push the frame table
const int framesOnLayer = lua_rawlen(lua.getState(), -1);
Log::debug(LOG_COMMON, "id: %s => %i frames on layer %i", id.c_str(), framesOnLayer, layer);
for (int i = 1; i <= framesOnLayer; ++i) {
const std::string& texture = lua.getTableString(i);
Log::debug(LOG_COMMON, "id: %s => texture %s on layer %i", id.c_str(), texture.c_str(), layer);
const SpriteDefFrame frame(texture, 0, true);
if (layer < MAX_LAYERS)
def->textures[layer].push_back(frame);
}
lua.pop();
++layer;
}
// pop the frame table
lua.pop();
}
// pop the frames table
if (layers != -1)
lua.pop();
// push the polygons table
const int polygons = lua.getTable("polygons");
Log::debug(LOG_COMMON, "id: %s => %i polygons", id.c_str(), polygons);
if (polygons > 0) {
LUA_checkStack2(lua.getState());
lua_State* L = lua.getState();
lua_pushvalue(L, -1);
lua_pushnil(L);
while (lua_next(L, -2)) {
if (!lua_istable(L, -1)) {
Log::error(LOG_COMMON, "spritedef: expected polygon table on the stack: %s", lua.getStackDump().c_str());
lua.pop();
continue;
}
// push the polygon table
const int vertices = lua_rawlen(L, -1) - 1;
Log::debug(LOG_COMMON, "id: %s => %i vertices", id.c_str(), vertices);
const std::string& userData = lua.getTableString(1);
SpritePolygon p(userData);
Log::debug(LOG_COMMON, "id: %s => %s userdata", id.c_str(), userData.c_str());
for (int i = 2; i <= vertices; i += 2) {
const float x = lua.getTableFloat(i) / 100.0f;
const float y = lua.getTableFloat(i + 1) / 100.0f;
p.vertices.push_back(SpriteVertex(x, y));
}
// pop the polygon table
lua.pop();
def->polygons.push_back(p);
}
lua.pop();
}
// pop the polygons table
if (polygons != -1)
lua.pop();
// push the circles table
const int circles = lua.getTable("circles");
Log::debug(LOG_COMMON, "id: %s => %i circles", id.c_str(), circles);
if (circles > 0) {
LUA_checkStack2(lua.getState());
lua_State* L = lua.getState();
lua_pushvalue(L, -1);
lua_pushnil(L);
while (lua_next(L, -2)) {
if (!lua_istable(L, -1)) {
Log::error(LOG_COMMON, "spritedef: expected circle table on the stack: %s", lua.getStackDump().c_str());
lua.pop();
continue;
}
// push the circle table
const int entries = lua_rawlen(lua.getState(), -1);
if (entries == 4) {
const std::string& userData = lua.getTableString(1);
SpriteCircle p(userData);
const float x = lua.getTableInteger(2) / 100.0f;
const float y = lua.getTableInteger(3) / 100.0f;
p.center = SpriteVertex(x, y);
p.radius = lua.getTableInteger(4) / 100.0f;
def->circles.push_back(p);
} else {
Log::error(LOG_COMMON, "invalid amount of entries for the circle shape");
}
// pop the circle table
lua.pop();
}
lua.pop();
}
// pop the circles table
if (circles != -1)
lua.pop();
for (Layer layer = LAYER_BACK; layer <= MAX_LAYERS; layer++) {
if (layer == MAX_LAYERS || def->textures[layer].empty()) {
int frame = 1;
std::string spriteFrameName = def->id;
switch (layer) {
case LAYER_BACK:
spriteFrameName += "-back-01";
break;
case LAYER_FRONT:
spriteFrameName += "-front-01";
break;
case LAYER_MIDDLE:
spriteFrameName += "-middle-01";
break;
case MAX_LAYERS:
// fallback
spriteFrameName += "-01";
break;
default:
break;
}
const size_t length = spriteFrameName.size();
char frameNumbers[] = { '0', '1', '\0' };
Layer layerToUse = layer;
if (layerToUse == MAX_LAYERS)
layerToUse = LAYER_MIDDLE;
for (;;) {
if (!textureDefinition.exists(spriteFrameName))
break;
def->textures[layerToUse].push_back(SpriteDefFrame(spriteFrameName, 0, true));
frame++;
const char first = frame / 10 + '0';
const char second = frame % 10 + '0';
frameNumbers[0] = first;
frameNumbers[1] = second;
spriteFrameName.replace(length - 2, length, frameNumbers);
}
}
}
const int actives = lua.getTable("active");
for (int i = 1; i <= actives; ++i) {
LUA_checkStack2(lua.getState());
const bool active = lua.getTableBool(i);
for (Layer layer = LAYER_BACK; layer < MAX_LAYERS; layer++) {
const int textures = def->textures[layer].size();
if (textures < i)
continue;
SpriteDef::SpriteDefFrames& frames = def->textures[layer];
frames[i - 1].active = active;
}
}
// pop the active table
if (actives != -1)
lua.pop();
const int delays = lua.getTable("delays");
for (int i = 1; i <= delays; ++i) {
LUA_checkStack2(lua.getState());
const int delay = lua.getTableInteger(i);
for (Layer layer = LAYER_BACK; layer < MAX_LAYERS; layer++) {
const int textures = def->textures[layer].size();
if (textures >= i)
def->textures[layer][i - 1].delay = delay;
}
}
// pop the delays table
if (delays != -1)
lua.pop();
lua.pop();
def->calcDelay();
_spriteDefs[id] = SpriteDefPtr(def);
}
}