#include "Interpreter.h"
#include "ParsedSource.h"
+#include "../battle/Hero.h"
#include "../battle/Monster.h"
+#include "../battle/PartyLayout.h"
+#include "../battle/Resources.h"
+#include "../common/Ikari.h"
+#include "../common/Item.h"
+#include "../common/Spell.h"
+#include "../common/Stats.h"
+#include "../common/TargetingMode.h"
+#include "../graphics/ComplexAnimation.h"
+#include "../graphics/Font.h"
+#include "../graphics/Frame.h"
+#include "../graphics/Gauge.h"
+#include "../graphics/Menu.h"
+#include "../graphics/SimpleAnimation.h"
+#include "../graphics/Sprite.h"
+#include <algorithm>
+#include <cstring>
+#include <SDL_image.h>
+
+using battle::Hero;
using battle::Monster;
-using std::map;
+using battle::PartyLayout;
+using common::Ikari;
+using common::Item;
+using common::Spell;
+using common::Stats;
+using common::TargetingMode;
+using graphics::Animation;
+using graphics::Color;
+using graphics::Font;
+using graphics::Frame;
+using graphics::Gauge;
+using graphics::ComplexAnimation;
+using graphics::SimpleAnimation;
+using graphics::Sprite;
+using geometry::Vector;
+using std::make_pair;
using std::set;
using std::string;
+using std::vector;
namespace loader {
-void Interpreter::ReadSource() {
- for (set<string>::const_iterator i(source.Exports().begin()), end(source.Exports().end()); i != end; ++i) {
- const Definition &dfn(source.GetDefinition(*i));
- if (dfn.HasLiteralValue()) {
- ReadLiteral(dfn);
+Interpreter::~Interpreter() {
+ for (vector<PostponedDefinition>::const_iterator i(postponedDefinitions.begin()), end(postponedDefinitions.end()); i != end; ++i) {
+ delete i->identifier;
+ }
+ for (std::map<string, SDL_Surface *>::const_iterator i(imageCache.begin()), end(imageCache.end()); i != end; ++i) {
+ SDL_FreeSurface(i->second);
+ }
+ // TODO: maybe need to reverse the array deletion check if most objects turn out to be arrays (of char)
+ for (std::map<int, vector<void *> >::const_iterator i(values.begin()), end(values.end()); i != end; ++i) {
+ for (vector<void *>::const_iterator j(i->second.begin()), end(i->second.end()); j != end; ++j) {
+ delete[] reinterpret_cast<char *>(*j);
+ }
+ }
+}
+
+
+const Interpreter::ParsedDefinition &Interpreter::GetDefinition(const string &identifier) const {
+ return parsedDefinitions.at(identifier);
+}
+
+
+void *Interpreter::GetObject(int typeId, const std::string &name) {
+ std::map<string, ParsedDefinition>::const_iterator i(parsedDefinitions.find(name));
+ if (i != parsedDefinitions.end()) {
+ const TypeDescription &requested(TypeDescription::Get(typeId));
+ const TypeDescription &actual(TypeDescription::Get(i->second.type));
+ if (requested.TypeId() == actual.TypeId()) {
+ return values[actual.TypeId()][i->second.id];
+ } else if (actual.IsSubtypeOf(requested)) {
+ char *sub(reinterpret_cast<char *>(values[actual.TypeId()][i->second.id]));
+ std::ptrdiff_t offset(actual.SupertypeOffset(requested));
+ return sub - offset;
} else {
- ReadObject(dfn);
+ throw Error("cannot cast " + actual.TypeName() + " to " + requested.TypeName());
}
+ } else {
+ throw Error("access to undefined object " + name);
+ }
+}
+
+
+void Interpreter::ReadSource() {
+ for (set<string>::const_iterator i(source.Exports().begin()), end(source.Exports().end()); i != end; ++i) {
+ ReadDefinition(source.GetDefinition(*i));
+ }
+}
+
+void Interpreter::ReadDefinition(const Definition &dfn) {
+ if (parsedDefinitions.find(dfn.Identifier()) != parsedDefinitions.end()) {
+ return;
+ }
+ if (dfn.HasLiteralValue()) {
+ ReadLiteral(dfn);
+ } else {
+ ReadObject(dfn);
}
}
void Interpreter::ReadLiteral(const Definition &dfn) {
- switch (dfn.GetLiteral()->GetType()) {
+ const string &typeName(dfn.GetLiteral()->IsArray() ? "Array" : dfn.GetLiteral()->GetTypeName());
+ int typeId(TypeDescription::GetTypeId(typeName));
+ int id(values[typeId].size());
+ const TypeDescription &td(TypeDescription::Get(typeId));
+ int size(
+ (dfn.GetLiteral()->GetType() == Literal::PATH
+ || dfn.GetLiteral()->GetType() == Literal::STRING)
+ ? dfn.GetLiteral()->GetString().size() : td.Size());
+ char *object(new char[size]);
+ if (dfn.GetLiteral()->GetType() == Literal::OBJECT) {
+ ReadObject(typeId, id, object, *dfn.GetLiteral()->GetProperties());
+ } else {
+ ReadLiteral(typeId, id, object, *dfn.GetLiteral());
+ }
+ values[typeId].push_back(object);
+ parsedDefinitions.insert(make_pair(dfn.Identifier(), ParsedDefinition(&dfn, typeId, id)));
+}
+
+void Interpreter::ReadLiteral(int typeId, int id, char *object, const Literal &literal) {
+ switch (literal.GetType()) {
case Literal::ARRAY_VALUES:
- throw Error("unhandled literal: array of values");
+ throw Error("named value arrays are not supported, sorry");
break;
case Literal::ARRAY_PROPS:
- throw Error("unhandled literal: array of values");
+ throw Error("named property list arrays are not supported, sorry");
break;
case Literal::BOOLEAN:
- throw Error("unhandled literal: array of values");
+ new (object) bool(literal.GetBoolean());
break;
case Literal::COLOR:
- throw Error("unhandled literal: array of values");
+ new (object) Color(literal.GetRed(), literal.GetGreen(), literal.GetBlue(), literal.GetAlpha());
break;
case Literal::NUMBER:
- throw Error("unhandled literal: array of values");
+ new (object) int(literal.GetNumber());
+ break;
+ case Literal::PATH:
+ std::memcpy(object, literal.GetString().c_str(), literal.GetString().size());
+ object[literal.GetString().size()] = '\0';
break;
case Literal::STRING:
- throw Error("unhandled literal: array of values");
+ std::memcpy(object, literal.GetString().c_str(), literal.GetString().size());
+ object[literal.GetString().size()] = '\0';
break;
case Literal::VECTOR:
- throw Error("unhandled literal: array of values");
+ new (object) Vector<int>(literal.GetX(), literal.GetY());
break;
case Literal::OBJECT:
- throw Error("unhandled literal: array of values");
+ throw Error("illogical branch: read literal object as non-object literal");
break;
}
}
-void Interpreter::ReadObject(const Definition &dfn) {
- if (dfn.TypeName() == "Monster") {
- monsters.resize(monsters.size() + 1);
- ReadMonster(monsters.back(), *dfn.GetProperties());
+
+void *Interpreter::GetObject(int typeId, const Value &v) {
+ if (v.IsLiteral()) {
+ if (v.GetLiteral().IsObject()) {
+ int typeId(TypeDescription::GetTypeId(v.GetLiteral().GetTypeName()));
+ const TypeDescription &td(TypeDescription::Get(typeId));
+ char *object(new char[td.Size()]);
+ td.Construct(object);
+ int id(values[typeId].size());
+ values[typeId].push_back(object);
+ ReadObject(typeId, id, object, *v.GetLiteral().GetProperties());
+ return object;
+ } else {
+ int typeId(0), id(0);
+ switch (v.GetLiteral().GetType()) {
+ case Literal::ARRAY_VALUES:
+ throw Error("cannot copy value arrays, sorry");
+ break;
+ case Literal::ARRAY_PROPS:
+ throw Error("cannot copy property list arrays, sorry");
+ break;
+ case Literal::BOOLEAN:
+ {
+ typeId = TypeDescription::GetTypeId("Boolean");
+ id = values[typeId].size();
+ const TypeDescription &td(TypeDescription::Get(typeId));
+ char *object(new char[td.Size()]);
+ values[typeId].push_back(new (object) bool(v.GetLiteral().GetBoolean()));
+ }
+ break;
+ case Literal::COLOR:
+ {
+ typeId = TypeDescription::GetTypeId("Color");
+ id = values[typeId].size();
+ const TypeDescription &td(TypeDescription::Get(typeId));
+ char *object(new char[td.Size()]);
+ values[typeId].push_back(new (object) Color(v.GetLiteral().GetRed(), v.GetLiteral().GetGreen(), v.GetLiteral().GetBlue(), v.GetLiteral().GetAlpha()));
+ }
+ break;
+ case Literal::NUMBER:
+ {
+ typeId = TypeDescription::GetTypeId("Number");
+ id = values[typeId].size();
+ const TypeDescription &td(TypeDescription::Get(typeId));
+ char *object(new char[td.Size()]);
+ values[typeId].push_back(new (object) int(v.GetLiteral().GetNumber()));
+ }
+ break;
+ case Literal::PATH:
+ {
+ typeId = TypeDescription::GetTypeId("Path");
+ id = values[typeId].size();
+ char *str(new char[v.GetLiteral().GetString().size() + 1]);
+ std::memcpy(str, v.GetLiteral().GetString().c_str(), v.GetLiteral().GetString().size());
+ str[v.GetLiteral().GetString().size()] = '\0';
+ values[typeId].push_back(str);
+ }
+ break;
+ case Literal::STRING:
+ {
+ typeId = TypeDescription::GetTypeId("String");
+ id = values[typeId].size();
+ char *str(new char[v.GetLiteral().GetString().size() + 1]);
+ std::memcpy(str, v.GetLiteral().GetString().c_str(), v.GetLiteral().GetString().size());
+ str[v.GetLiteral().GetString().size()] = '\0';
+ values[typeId].push_back(str);
+ }
+ break;
+ case Literal::VECTOR:
+ {
+ typeId = TypeDescription::GetTypeId("Vector");
+ id = values[typeId].size();
+ const TypeDescription &td(TypeDescription::Get(typeId));
+ char *object(new char[td.Size()]);
+ values[typeId].push_back(new (object) Vector<int>(v.GetLiteral().GetX(), v.GetLiteral().GetY()));
+ }
+ break;
+ case Literal::OBJECT:
+ {
+ typeId = TypeDescription::GetTypeId(v.GetLiteral().GetTypeName());
+ const TypeDescription &td(TypeDescription::Get(typeId));
+ id = values[typeId].size();
+ char *object(new char[td.Size()]);
+ td.Construct(object);
+ ReadObject(typeId, id, object, *v.GetLiteral().GetProperties());
+ }
+ break;
+ }
+ return values[typeId][id];
+ }
} else {
- throw Error("unhandled object: " + dfn.TypeName());
+ ReadDefinition(source.GetDefinition(v.GetIdentifier()));
+ return GetObject(typeId, v.GetIdentifier());
}
}
-void Interpreter::ReadMonster(Monster &m, const PropertyList &props) {
+void Interpreter::ReadObject(const Definition &dfn) {
+ int typeId(TypeDescription::GetTypeId(dfn.TypeName()));
+ const TypeDescription &td(TypeDescription::Get(typeId));
+ int id(values[typeId].size());
+ char *object(new char[td.Size()]);
+ td.Construct(object);
+ values[typeId].push_back(object);
+ ReadObject(typeId, id, object, *dfn.GetProperties());
+ parsedDefinitions.insert(make_pair(dfn.Identifier(), ParsedDefinition(&dfn, typeId, id)));
+}
+
+
+void Interpreter::ReadObject(int typeId, int id, char *object, const PropertyList &props) {
+ const TypeDescription &td(TypeDescription::Get(typeId));
for (PropertyList::ConstIterator i(props.Begin()), end(props.End()); i != end; ++i) {
- if (i->first == "name") {
- if (i->second->IsLiteral()) {
- m.SetName(i->second->GetLiteral().GetString().c_str());
+ const FieldDescription &fd(td.GetField(i->first));
+ const TypeDescription &fieldType(TypeDescription::Get(fd.TypeId()));
+ if (CanLink(*i->second)) {
+ char *dest(object + fd.Offset());
+ if (fd.IsAggregate()) {
+ int arraySize(i->second->GetLiteral().ArraySize());
+ char *aggregate(new char[fieldType.Size() * arraySize]);
+ char *iter(aggregate);
+ if (i->second->GetLiteral().GetType() == Literal::ARRAY_PROPS) {
+ const vector<PropertyList *> &list(i->second->GetLiteral().GetPropertyLists());
+ for (vector<PropertyList *>::const_iterator j(list.begin()), end(list.end()); j != end; ++j, iter += fieldType.Size()) {
+ fieldType.Construct(iter);
+ ReadObject(fieldType.TypeId(), -1, iter, **j);
+ }
+ } else {
+ const vector<Value *> &list(i->second->GetLiteral().GetValues());
+ for (vector<Value *>::const_iterator j(list.begin()), end(list.end()); j != end; ++j, iter += fieldType.Size()) {
+ fieldType.Construct(iter);
+ ReadLiteral(fieldType.TypeId(), -1, iter, (*j)->GetLiteral());
+ }
+ }
+ if (fd.IsReferenced()) {
+ std::memcpy(dest, &aggregate, sizeof(char *));
+ dest += sizeof(char *);
+ std::memcpy(dest, &arraySize, sizeof(int));
+ } else {
+ throw Error("aggregate type fields must be referenced");
+ }
} else {
- throw Error("identifier resolution not implemented");
+ char *src(reinterpret_cast<char *>(GetObject(fd.TypeId(), *i->second)));
+ if (fd.TypeId() == TypeDescription::GetTypeId("Image")) {
+ src = reinterpret_cast<char *>(GetImage(src));
+ }
+ if (fd.IsReferenced()) {
+ std::memcpy(dest, &src, sizeof(char *));
+ } else {
+ std::memcpy(dest, src, fieldType.Size());
+ }
}
} else {
- throw Error("unknown monster property: " + i->first);
+ Postpone(typeId, id, fd.Offset(), i->second->GetIdentifier(), fd.TypeId(), !fd.IsReferenced());
}
}
+ td.Load(object);
+}
+
+
+SDL_Surface *Interpreter::GetImage(const string &path) {
+ std::map<string, SDL_Surface *>::const_iterator result(imageCache.find(path));
+ if (result != imageCache.end()) {
+ return result->second;
+ } else {
+ SDL_Surface *image(IMG_Load(path.c_str()));
+ imageCache.insert(make_pair(path, image));
+ return image;
+ }
+}
+
+
+bool Interpreter::CanLink(const Value &v) const {
+ return v.IsLiteral() || source.IsDefined(v.GetIdentifier());
+}
+
+void Interpreter::Postpone(int type, int id, std::ptrdiff_t offset, const std::string &identifier, int linkedType, bool inlined) {
+ char *str(new char[identifier.size() + 1]);
+ std::memcpy(str, identifier.c_str(), identifier.size());
+ str[identifier.size()] = '\0';
+ postponedDefinitions.push_back(PostponedDefinition(type, id, offset, str, linkedType, inlined));
+}
+
+
+void Interpreter::CreateTypeDescriptions() {
+ {
+ TypeDescription &td(TypeDescription::CreateOrGet("Boolean"));
+ td.SetDescription("Logical value which can be either true or false.");
+ td.SetSize(sizeof(bool));
+ }
+ {
+ TypeDescription &td(TypeDescription::CreateOrGet("Color"));
+ td.SetDescription(
+ "A color in RGB format with an optional alpha channel.\n"
+ "Components range from 0 to 255.\n"
+ "Alpha defaults to 255 if omitted.");
+ td.SetSize(sizeof(Color));
+ }
+ {
+ TypeDescription &td(TypeDescription::CreateOrGet("Image"));
+ td.SetDescription("Path to a PNG file with image data.");
+ td.SetSize(sizeof(SDL_Surface));
+ }
+ {
+ TypeDescription &td(TypeDescription::CreateOrGet("Number"));
+ td.SetDescription("A signed integer.");
+ td.SetSize(sizeof(int));
+ }
+ {
+ int stringId(TypeDescription::GetTypeId("String"));
+ TypeDescription &td(TypeDescription::CreateOrGet("Path"));
+ td.SetDescription("A path in the filesystem which is interpreted relative to the source file's location.");
+ td.SetSize(1);
+ td.AddSupertype(stringId, 0);
+ }
+ {
+ TypeDescription &td(TypeDescription::CreateOrGet("String"));
+ td.SetDescription("Some characters.");
+ td.SetSize(1);
+ }
+ {
+ TypeDescription &td(TypeDescription::CreateOrGet("Vector"));
+ td.SetDescription("A pair of numbers usually describing a 2D translation or offset.");
+ td.SetSize(sizeof(Vector<int>));
+ }
}
}
projects / l2e.git / blobdiff