-/*
- * Interpreter.cpp
- *
- * Created on: Aug 26, 2012
- * Author: holy
- */
-
#include "Interpreter.h"
#include "ParsedSource.h"
+#include "TypeDescription.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/Script.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 battle::Stats;
+using battle::PartyLayout;
+using common::Ikari;
+using common::Item;
+using common::Script;
+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::map;
+using math::Vector;
+using std::make_pair;
using std::set;
using std::string;
using std::vector;
namespace loader {
+Interpreter::~Interpreter() {
+ for (std::map<string, SDL_Surface *>::const_iterator i(imageCache.begin()), end(imageCache.end()); i != end; ++i) {
+ SDL_FreeSurface(i->second);
+ }
+}
+
+
+const Interpreter::ParsedDefinition &Interpreter::GetDefinition(const string &identifier) {
+ std::map<string, ParsedDefinition>::const_iterator i(parsedDefinitions.find(identifier));
+ if (i != parsedDefinitions.end()) {
+ return i->second;
+ } else if (source.IsDefined(identifier)) {
+ ReadDefinition(source.GetDefinition(identifier));
+ return parsedDefinitions.at(identifier);
+ } else {
+ throw Error("access to undefined object " + identifier);
+ }
+}
+
+const Interpreter::ParsedDefinition &Interpreter::GetDefinition(const string &identifier) const {
+ std::map<string, ParsedDefinition>::const_iterator i(parsedDefinitions.find(identifier));
+ if (i != parsedDefinitions.end()) {
+ return i->second;
+ } else {
+ throw Error("access to undefined object " + 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 {
+ throw Error("cannot cast " + actual.TypeName()
+ + " to " + requested.TypeName());
+ }
+ } else {
+ throw Error("access to undefined object " + name);
+ }
+}
+
+const void *Interpreter::GetObject(
+ int typeId,
+ const std::string &name) const {
+ 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.at(actual.TypeId()).at(i->second.id);
+ } else if (actual.IsSubtypeOf(requested)) {
+ char *sub = reinterpret_cast<char *>(
+ values.at(actual.TypeId()).at(i->second.id));
+ std::ptrdiff_t offset =
+ actual.SupertypeOffset(requested);
+ return sub - offset;
+ } else {
+ 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::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(alloc.Alloc(size));
+ values[typeId].push_back(object);
+ parsedDefinitions.insert(make_pair(dfn.Identifier(), ParsedDefinition(&dfn, typeId, id)));
+ if (dfn.GetLiteral()->GetType() == Literal::OBJECT) {
+ ReadObject(typeId, id, object, *dfn.GetLiteral()->GetProperties());
+ } else {
+ ReadLiteral(typeId, id, object, *dfn.GetLiteral());
+ }
+}
+
+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");
- break;
case Literal::ARRAY_PROPS:
- throw Error("unhandled literal: array of properties");
+ case Literal::ARRAY_IDENTS:
+ throw Error("named arrays are not supported, sorry");
break;
case Literal::BOOLEAN:
- throw Error("unhandled literal: boolean");
+ new (object) bool(literal.GetBoolean());
break;
case Literal::COLOR:
- throw Error("unhandled literal: color");
+ new (object) Color(literal.GetRed(), literal.GetGreen(), literal.GetBlue(), literal.GetAlpha());
break;
case Literal::NUMBER:
- numbers[dfn.Identifier()] = dfn.GetLiteral()->GetNumber();
+ 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::SCRIPT:
+ new (object) Script;
+ ReadScript(literal.GetScript(), reinterpret_cast<Script *>(object));
break;
case Literal::STRING:
- throw Error("unhandled literal: string");
+ std::memcpy(object, literal.GetString().c_str(), literal.GetString().size());
+ object[literal.GetString().size()] = '\0';
break;
case Literal::VECTOR:
- throw Error("unhandled literal: vector");
+ new (object) Vector<int>(literal.GetX(), literal.GetY());
break;
case Literal::OBJECT:
- throw Error("unhandled literal: object");
- break;
+ throw Error("illogical branch: read literal object as non-object literal");
}
}
-Animation *Interpreter::GetAnimation(const Value &v) {
+
+void *Interpreter::GetObject(int typeId, const Value &v) {
if (v.IsLiteral()) {
- if (v.GetLiteral().GetTypeName() == "ComplexAnimation") {
- ComplexAnimation *a(new ComplexAnimation);
- ReadComplexAnimation(*a, *v.GetLiteral().GetProperties());
- return a;
- } else {
- SimpleAnimation *a(new SimpleAnimation);
- ReadSimpleAnimation(*a, *v.GetLiteral().GetProperties());
- return a;
- }
- } else if (animations.count(v.GetIdentifier())) {
- return animations[v.GetIdentifier()];
- } else if (source.IsDefined(v.GetIdentifier())) {
- ReadDefinition(source.GetDefinition(v.GetIdentifier()));
- if (animations.count(v.GetIdentifier())) {
- return animations[v.GetIdentifier()];
+ if (v.GetLiteral().IsObject()) {
+ int typeId(TypeDescription::GetTypeId(v.GetLiteral().GetTypeName()));
+ const TypeDescription &td(TypeDescription::Get(typeId));
+ char *object(alloc.Alloc(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 {
- throw Error("cannot use " + source.GetDefinition(v.GetIdentifier()).Identifier() + " " + v.GetIdentifier() + " as animation");
+ int typeId(0), id(0);
+ switch (v.GetLiteral().GetType()) {
+ case Literal::ARRAY_VALUES:
+ case Literal::ARRAY_PROPS:
+ case Literal::ARRAY_IDENTS:
+ throw Error("cannot copy arrays, sorry");
+ break;
+ case Literal::BOOLEAN:
+ {
+ typeId = TypeDescription::GetTypeId("Boolean");
+ id = values[typeId].size();
+ const TypeDescription &td(TypeDescription::Get(typeId));
+ char *object(alloc.Alloc(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(alloc.Alloc(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(alloc.Alloc(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(alloc.Alloc(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::SCRIPT:
+ {
+ typeId = TypeDescription::GetTypeId("Script");
+ char *script(ReadScript(v.GetLiteral().GetScript()));
+ id = values[typeId].size();
+ values[typeId].push_back(script);
+ }
+ break;
+ case Literal::STRING:
+ {
+ typeId = TypeDescription::GetTypeId("String");
+ id = values[typeId].size();
+ char *str(alloc.Alloc(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(alloc.Alloc(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(alloc.Alloc(td.Size()));
+ td.Construct(object);
+ ReadObject(typeId, id, object, *v.GetLiteral().GetProperties());
+ }
+ break;
+ }
+ return values[typeId][id];
}
} else {
- throw Error("use of undefined Animation " + v.GetIdentifier());
+ ReadDefinition(source.GetDefinition(v.GetIdentifier()));
+ return GetObject(typeId, v.GetIdentifier());
}
}
-const vector<Value *> &Interpreter::GetValueArray(const Value &v) {
- if (v.IsLiteral()) {
- return v.GetLiteral().GetValues();
- } else {
- throw Error("identifier resolution not implemented for arrays of values");
- }
-}
-const vector<PropertyList *> &Interpreter::GetPropertyListArray(const Value &v) {
- if (v.IsLiteral()) {
- return v.GetLiteral().GetPropertyLists();
- } else {
- throw Error("identifier resolution not implemented for arrays of property lists");
- }
+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(alloc.Alloc(td.Size()));
+ td.Construct(object);
+ values[typeId].push_back(object);
+ parsedDefinitions.insert(make_pair(dfn.Identifier(), ParsedDefinition(&dfn, typeId, id)));
+ ReadObject(typeId, id, object, *dfn.GetProperties());
}
-bool Interpreter::GetBoolean(const Value &v) {
- if (v.IsLiteral()) {
- return v.GetLiteral().GetBoolean();
- } else {
- throw Error("identifier resolution not implemented for booleans");
- }
-}
-SDL_Surface *Interpreter::GetImage(const Value &v) {
- if (v.IsLiteral()) {
- // TODO: image lookup
- return NULL;
- } else {
- throw Error("identifier resolution not implemented for images");
+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) {
+ 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());
+ size_t memberSize = fd.IsReferenced() ? sizeof(char *) : fieldType.Size();
+ Array array;
+ array.size = arraySize * memberSize;
+ array.data = alloc.Alloc(array.size);
+ array.ref = fd.IsReferenced();
+ arrays.push_back(array);
+ char *iter = reinterpret_cast<char *>(array.data);
+ 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 += memberSize) {
+ char *member;
+ if (fd.IsReferenced()) {
+ member = alloc.Alloc(fieldType.Size());
+ *reinterpret_cast<char **>(iter) = member;
+ } else {
+ member = iter;
+ }
+ fieldType.Construct(member);
+ ReadObject(fieldType.TypeId(), -1, member, **j);
+ }
+ } else if (i->second->GetLiteral().GetType() == Literal::ARRAY_VALUES) {
+ const vector<Value *> &list(i->second->GetLiteral().GetValues());
+ for (vector<Value *>::const_iterator j(list.begin()), end(list.end());
+ j != end; ++j, iter += memberSize) {
+ char *member;
+ if (fd.IsReferenced()) {
+ member = alloc.Alloc(fieldType.Size());
+ *reinterpret_cast<char **>(iter) = member;
+ } else {
+ member = iter;
+ }
+ fieldType.Construct(member);
+ ReadLiteral(fieldType.TypeId(), -1, member, (*j)->GetLiteral());
+ }
+ } else {
+ if (!fd.IsReferenced()) {
+ // TODO: implement inline identifier arrays
+ throw std::runtime_error("inline identifier arrays not implemented (yet)");
+ }
+ const vector<string> &list(i->second->GetLiteral().GetIdentifiers());
+ for (vector<string>::const_iterator j(list.begin()), end(list.end());
+ j != end; ++j, iter += memberSize) {
+ if (source.IsDefined(*j)) {
+ *reinterpret_cast<void **>(iter)
+ = GetObject(fd.TypeId(), *j);
+ } else {
+ Postpone(reinterpret_cast<char *>(array.data),
+ iter, *j, fd.TypeId(), false);
+ }
+ }
+ }
+ std::memcpy(dest, &array.data, sizeof(char *));
+ dest += sizeof(char *);
+ std::memcpy(dest, &arraySize, sizeof(int));
+ } else if (i->second->IsLiteral() && !fd.IsReferenced()) {
+ // inline literals
+ if (i->second->GetLiteral().IsObject()) {
+ ReadObject(fd.TypeId(), -1, dest, *i->second->GetLiteral().GetProperties());
+ } else {
+ ReadLiteral(fd.TypeId(), -1, dest, i->second->GetLiteral());
+ }
+ } else {
+ 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 {
+ Postpone(object, object + fd.Offset(), i->second->GetIdentifier(), fd.TypeId(), !fd.IsReferenced(), fd.IsAggregate());
+ }
}
+ td.Load(object);
}
-int Interpreter::GetNumber(const Value &v) {
- if (v.IsLiteral()) {
- return v.GetLiteral().GetNumber();
- } else if (numbers.count(v.GetIdentifier())) {
- return numbers[v.GetIdentifier()];
- } else {
- ReadDefinition(source.GetDefinition(v.GetIdentifier()));
- if (numbers.count(v.GetIdentifier())) {
- return numbers[v.GetIdentifier()];
+
+void Interpreter::ReadScript(const std::vector<ScriptToken *> &s, Script *script) {
+ std::map<string, int> labels;
+ int size(0);
+ for (vector<ScriptToken *>::const_iterator i(s.begin()), end(s.end()); i != end; ++i) {
+ if ((*i)->GetType() == ScriptToken::LABEL) {
+ if (labels.count((*i)->Label())) {
+ throw Error("duplicate label " + (*i)->Label());
+ } else {
+ labels[(*i)->Label()] = size;
+ }
+ } else if ((*i)->GetType() != ScriptToken::COMMAND) {
+ throw Error("unexpected script token");
+ }
+ size += sizeof(Script::Code);
+ const string &cmd((*i)->CommandName());
+ if (cmd == "move") {
+ ++i;
+ if (i == end) {
+ throw Error("unexpected script end after move");
+ }
+ const string ®((*i)->RegisterName());
+ if (reg.size() != 2) {
+ throw Error("invalid register name " + reg);
+ }
+ ++i;
+ if (i == end) {
+ throw Error("unexpected script end after move");
+ }
+ if ((*i)->GetType() != ScriptToken::REGISTER) {
+ switch (reg[0]) {
+ case 'a':
+ size += sizeof(void *);
+ break;
+ case 'i':
+ size += sizeof(int);
+ break;
+ case 'v':
+ size += sizeof(Vector<int>);
+ break;
+ default:
+ throw Error("unknown register " + reg);
+ }
+ }
+ } else if (cmd == "add") {
+ ++i;
+ if (i == end) {
+ throw Error("unexpected script end after add");
+ }
+ const string ®((*i)->RegisterName());
+ if (reg.size() != 2) {
+ throw Error("invalid register name " + reg);
+ }
+ ++i;
+ if (i == end) {
+ throw Error("unexpected script end after add");
+ }
+ if ((*i)->GetType() != ScriptToken::REGISTER) {
+ switch (reg[0]) {
+ case 'i':
+ size += sizeof(int);
+ break;
+ case 'v':
+ size += sizeof(Vector<int>);
+ break;
+ default:
+ throw Error("expected register after add " + reg);
+ }
+ }
+ } else if (cmd == "mod") {
+ ++i;
+ if (i == end) {
+ throw Error("unexpected script end after mod");
+ }
+ ++i;
+ if (i == end) {
+ throw Error("unexpected script end after mod");
+ }
+ if ((*i)->GetType() != ScriptToken::REGISTER) {
+ size += sizeof(int);
+ }
+ } else if (cmd == "rand") {
+ ++i;
+ if (i == end) {
+ throw Error("unexpected script end after rand");
+ }
+ } else if (cmd == "cmp") {
+ ++i;
+ if (i == end) {
+ throw Error("unexpected script end after cmp");
+ }
+ if ((*i)->GetType() != ScriptToken::REGISTER) {
+ size += sizeof(int);
+ }
+ ++i;
+ if (i == end) {
+ throw Error("unexpected script end after cmp");
+ }
+ if ((*i)->GetType() != ScriptToken::REGISTER) {
+ size += sizeof(int);
+ }
+ } else if (cmd == "jmp") {
+ size += sizeof(int);
+ ++i;
+ if (i == end) {
+ throw Error("unexpected script end after cmp");
+ }
+ } else if (cmd == "jeq") {
+ size += sizeof(int);
+ ++i;
+ if (i == end) {
+ throw Error("unexpected script end after cmp");
+ }
+ } else if (cmd == "jne") {
+ size += sizeof(int);
+ ++i;
+ if (i == end) {
+ throw Error("unexpected script end after cmp");
+ }
+ } else if (cmd == "jl") {
+ size += sizeof(int);
+ ++i;
+ if (i == end) {
+ throw Error("unexpected script end after cmp");
+ }
+ } else if (cmd == "jle") {
+ size += sizeof(int);
+ ++i;
+ if (i == end) {
+ throw Error("unexpected script end after cmp");
+ }
+ } else if (cmd == "jg") {
+ size += sizeof(int);
+ ++i;
+ if (i == end) {
+ throw Error("unexpected script end after cmp");
+ }
+ } else if (cmd == "jge") {
+ size += sizeof(int);
+ ++i;
+ if (i == end) {
+ throw Error("unexpected script end after cmp");
+ }
+ } else if (cmd == "sysc") {
+
} else {
- throw Error("use of undefined Number " + v.GetIdentifier());
+ throw Error("unknown command " + cmd);
}
}
-}
-const PropertyList *Interpreter::GetPropertyList(const Value &v) {
- if (v.IsLiteral()) {
- return v.GetLiteral().GetProperties();
- } else {
- throw Error("identifier resolution not implemented for property lists");
- }
-}
+ char *text(alloc.Alloc(size));
+ int cursor(0);
+ for (vector<ScriptToken *>::const_iterator i(s.begin()), end(s.end()); i != end; ++i) {
+ if ((*i)->GetType() == ScriptToken::LABEL) {
+ continue;
+ }
+ if ((*i)->GetType() != ScriptToken::COMMAND) {
+ throw Error("unexpected script token");
+ }
+ const string &cmd((*i)->CommandName());
+ if (cmd == "move") {
+ Script::Code &code(CreateScriptCode(Script::COMMAND_MOVE, text + cursor));
+ cursor += sizeof(Script::Code);
+ code.numParams = 2;
+ ++i;
+ const string ®((*i)->RegisterName());
+ switch (reg[0]) {
+ case 'a':
+ code.type = Script::TYPE_ADDRESS;
+ break;
+ case 'i':
+ code.type = Script::TYPE_INTEGER;
+ break;
+ case 'v':
+ code.type = Script::TYPE_VECTOR;
+ break;
+ default:
+ throw Error("invalid register " + reg);
+ }
+ int regnum(reg[1] - '0');
+ if (regnum < 0 || regnum > 6) {
+ throw Error("invalid register " + reg);
+ }
+ code.reg1 = regnum;
+ ++i;
-Sprite *Interpreter::GetSprite(const Value &v) {
- if (v.IsLiteral()) {
- Sprite *s(new Sprite);
- ReadSprite(*s, *v.GetLiteral().GetProperties());
- return s;
- } else if (sprites.count(v.GetIdentifier())) {
- return sprites[v.GetIdentifier()];
- } else {
- ReadDefinition(source.GetDefinition(v.GetIdentifier()));
- if (sprites.count(v.GetIdentifier())) {
- return sprites[v.GetIdentifier()];
+ if ((*i)->GetType() == ScriptToken::REGISTER) {
+ string reg2((*i)->RegisterName());
+ if (reg[0] != reg2[0]) {
+ throw Error("mixed-type commands not allowed");
+ }
+ int reg2num(reg[1] - '0');
+ if (reg2num < 0 || reg2num > 6) {
+ throw Error("invalid register " + reg2);
+ }
+ code.reg2 = reg2num;
+ } else {
+ code.reg2 = 7;
+ switch (code.type) {
+ case Script::TYPE_ADDRESS:
+ ReadScriptAddress(**i, text + cursor);
+ cursor += sizeof(void *);
+ break;
+ case Script::TYPE_INTEGER:
+ ReadScriptInteger(**i, text + cursor);
+ cursor += sizeof(int);
+ break;
+ case Script::TYPE_VECTOR:
+ ReadScriptVector(**i, text + cursor);
+ cursor += sizeof(Vector<int>);
+ break;
+ }
+ }
+ } else if (cmd == "add") {
+ Script::Code &code(CreateScriptCode(Script::COMMAND_ADD, text + cursor));
+ cursor += sizeof(Script::Code);
+ code.numParams = 2;
+ ++i;
+ const string ®((*i)->RegisterName());
+ switch (reg[0]) {
+ case 'i':
+ code.type = Script::TYPE_INTEGER;
+ break;
+ case 'v':
+ code.type = Script::TYPE_VECTOR;
+ break;
+ default:
+ throw Error("invalid register " + reg);
+ }
+ int regnum(reg[1] - '0');
+ if (regnum < 0 || regnum > 6) {
+ throw Error("invalid register " + reg);
+ }
+ code.reg1 = regnum;
+ ++i;
+
+ if ((*i)->GetType() == ScriptToken::REGISTER) {
+ string reg2((*i)->RegisterName());
+ if (reg[0] != reg2[0]) {
+ throw Error("mixed-type commands not allowed");
+ }
+ int reg2num(reg[1] - '0');
+ if (reg2num < 0 || reg2num > 6) {
+ throw Error("invalid register name " + reg2);
+ }
+ code.reg2 = reg2num;
+ } else {
+ code.reg2 = 7;
+ switch (code.type) {
+ case Script::TYPE_INTEGER:
+ ReadScriptInteger(**i, text + cursor);
+ cursor += sizeof(int);
+ break;
+ case Script::TYPE_VECTOR:
+ ReadScriptVector(**i, text + cursor);
+ cursor += sizeof(Vector<int>);
+ break;
+ }
+ }
+ } else if (cmd == "mod") {
+ Script::Code &code(CreateScriptCode(Script::COMMAND_MOD, text + cursor));
+ cursor += sizeof(Script::Code);
+ code.numParams = 2;
+ ++i;
+ const string ®((*i)->RegisterName());
+ if (reg[0] != 'i') {
+ throw Error("invalid register " + reg);
+ }
+ code.type = Script::TYPE_INTEGER;
+ int regnum(reg[1] - '0');
+ if (regnum < 0 || regnum > 6) {
+ throw Error("invalid register " + reg);
+ }
+ code.reg1 = regnum;
+ ++i;
+
+ if ((*i)->GetType() == ScriptToken::REGISTER) {
+ string reg2((*i)->RegisterName());
+ if (reg[0] != reg2[0]) {
+ throw Error("mixed-type commands not allowed");
+ }
+ int reg2num(reg[1] - '0');
+ if (reg2num < 0 || reg2num > 6) {
+ throw Error("invalid register name " + reg2);
+ }
+ code.reg2 = reg2num;
+ } else {
+ code.reg2 = 7;
+ ReadScriptInteger(**i, text + cursor);
+ cursor += sizeof(int);
+ }
+ } else if (cmd == "rand") {
+ Script::Code &code(CreateScriptCode(Script::COMMAND_RAND, text + cursor));
+ cursor += sizeof(Script::Code);
+ code.numParams = 1;
+ ++i;
+ const string ®((*i)->RegisterName());
+ if (reg[0] != 'i') {
+ throw Error("invalid register " + reg);
+ }
+ code.type = Script::TYPE_INTEGER;
+ int regnum(reg[1] - '0');
+ if (regnum < 0 || regnum > 6) {
+ throw Error("invalid register " + reg);
+ }
+ code.reg1 = regnum;
+ } else if (cmd == "cmp") {
+ Script::Code &code(CreateScriptCode(Script::COMMAND_CMP, text + cursor));
+ cursor += sizeof(Script::Code);
+ code.numParams = 2;
+ ++i;
+ const string ®((*i)->RegisterName());
+ if (reg[0] != 'i') {
+ throw Error("invalid register " + reg);
+ }
+ code.type = Script::TYPE_INTEGER;
+ int regnum(reg[1] - '0');
+ if (regnum < 0 || regnum > 6) {
+ throw Error("invalid register " + reg);
+ }
+ code.reg1 = regnum;
+ ++i;
+
+ if ((*i)->GetType() == ScriptToken::REGISTER) {
+ string reg2((*i)->RegisterName());
+ if (reg[0] != reg2[0]) {
+ throw Error("mixed-type commands not allowed");
+ }
+ int reg2num(reg[1] - '0');
+ if (reg2num < 0 || reg2num > 6) {
+ throw Error("invalid register name " + reg2);
+ }
+ code.reg2 = reg2num;
+ } else {
+ code.reg2 = 7;
+ ReadScriptInteger(**i, text + cursor);
+ cursor += sizeof(int);
+ }
+ } else if (cmd == "jmp") {
+ Script::Code &code(CreateScriptCode(Script::COMMAND_JMP, text + cursor));
+ cursor += sizeof(Script::Code);
+ code.numParams = 1;
+ ++i;
+ if (!labels.count((*i)->Identifier())) {
+ throw Error("use of undefined label " + (*i)->Identifier());
+ }
+ *reinterpret_cast<int *>(text + cursor) = labels[(*i)->Identifier()];
+ cursor += sizeof(int);
+ } else if (cmd == "jeq") {
+ Script::Code &code(CreateScriptCode(Script::COMMAND_JEQ, text + cursor));
+ cursor += sizeof(Script::Code);
+ code.numParams = 1;
+ ++i;
+ if (!labels.count((*i)->Identifier())) {
+ throw Error("use of undefined label " + (*i)->Identifier());
+ }
+ *reinterpret_cast<int *>(text + cursor) = labels[(*i)->Identifier()];
+ cursor += sizeof(int);
+ } else if (cmd == "jne") {
+ Script::Code &code(CreateScriptCode(Script::COMMAND_JNE, text + cursor));
+ cursor += sizeof(Script::Code);
+ code.numParams = 1;
+ ++i;
+ if (!labels.count((*i)->Identifier())) {
+ throw Error("use of undefined label " + (*i)->Identifier());
+ }
+ *reinterpret_cast<int *>(text + cursor) = labels[(*i)->Identifier()];
+ cursor += sizeof(int);
+ } else if (cmd == "jl") {
+ Script::Code &code(CreateScriptCode(Script::COMMAND_JL, text + cursor));
+ cursor += sizeof(Script::Code);
+ code.numParams = 1;
+ ++i;
+ if (!labels.count((*i)->Identifier())) {
+ throw Error("use of undefined label " + (*i)->Identifier());
+ }
+ *reinterpret_cast<int *>(text + cursor) = labels[(*i)->Identifier()];
+ cursor += sizeof(int);
+ } else if (cmd == "jle") {
+ Script::Code &code(CreateScriptCode(Script::COMMAND_JLE, text + cursor));
+ cursor += sizeof(Script::Code);
+ code.numParams = 1;
+ ++i;
+ if (!labels.count((*i)->Identifier())) {
+ throw Error("use of undefined label " + (*i)->Identifier());
+ }
+ *reinterpret_cast<int *>(text + cursor) = labels[(*i)->Identifier()];
+ cursor += sizeof(int);
+ } else if (cmd == "jg") {
+ Script::Code &code(CreateScriptCode(Script::COMMAND_JG, text + cursor));
+ cursor += sizeof(Script::Code);
+ code.numParams = 1;
+ ++i;
+ if (!labels.count((*i)->Identifier())) {
+ throw Error("use of undefined label " + (*i)->Identifier());
+ }
+ *reinterpret_cast<int *>(text + cursor) = labels[(*i)->Identifier()];
+ cursor += sizeof(int);
+ } else if (cmd == "jge") {
+ Script::Code &code(CreateScriptCode(Script::COMMAND_JGE, text + cursor));
+ cursor += sizeof(Script::Code);
+ code.numParams = 1;
+ ++i;
+ if (!labels.count((*i)->Identifier())) {
+ throw Error("use of undefined label " + (*i)->Identifier());
+ }
+ *reinterpret_cast<int *>(text + cursor) = labels[(*i)->Identifier()];
+ cursor += sizeof(int);
+ } else if (cmd == "sysc") {
+ Script::Code &code(CreateScriptCode(Script::COMMAND_SYSC, text + cursor));
+ cursor += sizeof(Script::Code);
+ code.numParams = 0;
} else {
- throw Error("use of undefined Sprite " + v.GetIdentifier());
+ throw Error("unknown command " + cmd);
}
}
-}
-const char *Interpreter::GetString(const Value &v) {
- if (v.IsLiteral()) {
- return v.GetLiteral().GetString().c_str();
- } else {
- throw Error("identifier resolution not implemented for strings");
- }
+ script->text = text;
+ script->textlen = size;
}
-Vector<int> Interpreter::GetVector(const Value &v) {
- if (v.IsLiteral()) {
- return Vector<int>(v.GetLiteral().GetX(), v.GetLiteral().GetY());
- } else {
- throw Error("identifier resolution not implemented for vectors");
- }
+char *Interpreter::ReadScript(const vector<ScriptToken *> &s) {
+ char *mem(alloc.Alloc(sizeof(Script)));
+ new (mem) Script;
+ Script *script(reinterpret_cast<Script *>(mem));
+ ReadScript(s, script);
+ return mem;
}
+Script::Code &Interpreter::CreateScriptCode(Script::Command c, char *dest) {
+ Script::Code &code(*reinterpret_cast<Script::Code *>(dest));
+ code.command = c;
+ code.numParams = 0;
+ code.type = Script::TYPE_NONE;
+ code.reg1 = 7;
+ code.reg2 = 7;
+ return code;
+}
-void Interpreter::ReadObject(const Definition &dfn) {
- if (dfn.TypeName() == "Hero") {
- Hero *h(new Hero);
- ReadHero(*h, *dfn.GetProperties());
- heroes[dfn.Identifier()] = h;
- } else if (dfn.TypeName() == "Monster") {
- Monster *m(new Monster);
- ReadMonster(*m, *dfn.GetProperties());
- monsters[dfn.Identifier()] = m;
- } else if (dfn.TypeName() == "Sprite") {
- Sprite *s(new Sprite);
- ReadSprite(*s, *dfn.GetProperties());
- sprites[dfn.Identifier()] = s;
+void Interpreter::ReadScriptAddress(const ScriptToken &t, char *dest) {
+ if (t.GetType() != ScriptToken::IDENTIFIER) {
+ throw Error("expected identifier for address");
+ }
+ if (source.IsDefined(t.Identifier())) {
+ const ParsedDefinition &def(GetDefinition(t.Identifier()));
+ void *addr(GetObject(def.type, t.Identifier()));
+ *reinterpret_cast<void **>(dest) = addr;
} else {
- throw Error("unhandled object: " + dfn.TypeName());
+ throw Error("postponing values in scripts not implemented");
}
}
-
-void Interpreter::ReadComplexAnimation(ComplexAnimation &a, const PropertyList &props) {
- for (PropertyList::ConstIterator i(props.Begin()), end(props.End()); i != end; ++i) {
- if (i->first == "sprite") {
- a.SetSprite(GetSprite(*i->second));
- } else if (i->first == "frametime") {
- a.SetFrameTime(GetNumber(*i->second));
- } else if (i->first == "repeat") {
- a.SetRepeat(GetBoolean(*i->second));
- } else if (i->first == "frames") {
- const vector<PropertyList *> &values(GetPropertyListArray(*i->second));
- for (vector<PropertyList *>::const_iterator i(values.begin()), end(values.end()); i != end; ++i) {
- ComplexAnimation::FrameProp frame;
- ReadComplexAnimationFrame(frame, **i);
- a.AddFrame(frame);
- }
+void Interpreter::ReadScriptInteger(const ScriptToken &t, char *dest) {
+ if (t.GetType() == ScriptToken::IDENTIFIER) {
+ if (source.IsDefined(t.Identifier())) {
+ void *num(GetObject(TypeDescription::GetTypeId("Number"), t.Identifier()));
+ *reinterpret_cast<int *>(dest) = *reinterpret_cast<int *>(num);
} else {
- throw Error("unknown ComplexAnimation property: " + i->first);
+ throw Error("postponing values in scripts not implemented");
}
+ } else if (t.GetType() == ScriptToken::LITERAL) {
+ *reinterpret_cast<int *>(dest) = t.GetLiteral()->GetNumber();
+ } else {
+ throw Error("expected identifier or integer literal");
}
}
-void Interpreter::ReadComplexAnimationFrame(ComplexAnimation::FrameProp &f, const PropertyList &props) {
- for (PropertyList::ConstIterator i(props.Begin()), end(props.End()); i != end; ++i) {
- if (i->first == "column") {
- f.col = GetNumber(*i->second);
- } else if (i->first == "row") {
- f.row = GetNumber(*i->second);
- } else if (i->first == "disposition") {
- f.disposition = GetVector(*i->second);
+void Interpreter::ReadScriptVector(const ScriptToken &t, char *dest) {
+ if (t.GetType() == ScriptToken::IDENTIFIER) {
+ if (source.IsDefined(t.Identifier())) {
+ void *vec(GetObject(TypeDescription::GetTypeId("Vector"), t.Identifier()));
+ *reinterpret_cast<Vector<int> *>(dest) = *reinterpret_cast<Vector<int> *>(vec);
} else {
- throw Error("unknown ComplexAnimationFrame property: " + i->first);
+ throw Error("postponing values in scripts not implemented");
}
+ } else if (t.GetType() == ScriptToken::LITERAL) {
+ *reinterpret_cast<Vector<int> *>(dest) = Vector<int>(t.GetLiteral()->GetX(), t.GetLiteral()->GetY());
+ } else {
+ throw Error("expected identifier or vector literal");
}
}
-void Interpreter::ReadHero(Hero &h, const PropertyList &props) {
- for (PropertyList::ConstIterator i(props.Begin()), end(props.End()); i != end; ++i) {
- if (i->first == "name") {
- h.SetName(GetString(*i->second));
- } else if (i->first == "sprite") {
- h.SetSprite(GetSprite(*i->second));
- } else if (i->first == "level") {
- h.SetLevel(GetNumber(*i->second));
- } else if (i->first == "maxHealth") {
- h.SetMaxHealth(GetNumber(*i->second));
- } else if (i->first == "health") {
- h.SetHealth(GetNumber(*i->second));
- } else if (i->first == "maxMana") {
- h.SetMaxMana(GetNumber(*i->second));
- } else if (i->first == "mana") {
- h.SetMana(GetNumber(*i->second));
- } else if (i->first == "ip") {
- h.SetIP(GetNumber(*i->second));
- } else if (i->first == "stats") {
- battle::Stats stats;
- ReadStats(stats, *GetPropertyList(*i->second));
- h.SetStats(stats);
- } else if (i->first == "attackAnimation") {
- h.SetAttackAnimation(GetAnimation(*i->second));
- } else if (i->first == "spellAnimation") {
- h.SetSpellAnimation(GetAnimation(*i->second));
- } else if (i->first == "meleeAnimation") {
- h.SetMeleeAnimation(GetAnimation(*i->second));
- } else {
- throw Error("unknown Hero property: " + i->first);
- }
- }
-}
-void Interpreter::ReadMonster(Monster &m, const PropertyList &props) {
- for (PropertyList::ConstIterator i(props.Begin()), end(props.End()); i != end; ++i) {
- if (i->first == "name") {
- m.SetName(GetString(*i->second));
- } else if (i->first == "sprite") {
- m.SetSprite(GetSprite(*i->second));
- } else if (i->first == "level") {
- m.SetLevel(GetNumber(*i->second));
- } else if (i->first == "maxHealth") {
- m.SetMaxHealth(GetNumber(*i->second));
- } else if (i->first == "health") {
- m.SetHealth(GetNumber(*i->second));
- } else if (i->first == "maxMana") {
- m.SetMaxMana(GetNumber(*i->second));
- } else if (i->first == "mana") {
- m.SetMana(GetNumber(*i->second));
- } else if (i->first == "stats") {
- battle::Stats stats;
- ReadStats(stats, *GetPropertyList(*i->second));
- m.SetStats(stats);
- } else if (i->first == "attackAnimation") {
- m.SetAttackAnimation(GetAnimation(*i->second));
- } else {
- throw Error("unknown Monster property: " + i->first);
- }
+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;
}
}
-void Interpreter::ReadSimpleAnimation(SimpleAnimation &a, const PropertyList &props) {
- for (PropertyList::ConstIterator i(props.Begin()), end(props.End()); i != end; ++i) {
- if (i->first == "sprite") {
- a.SetSprite(GetSprite(*i->second));
- } else if (i->first == "frametime") {
- a.SetFrameTime(GetNumber(*i->second));
- } else if (i->first == "repeat") {
- a.SetRepeat(GetBoolean(*i->second));
- } else if (i->first == "framecount") {
- a.SetNumFrames(GetNumber(*i->second));
- } else if (i->first == "col") {
- a.SetCol(GetNumber(*i->second));
- } else if (i->first == "row") {
- a.SetRow(GetNumber(*i->second));
- } else {
- throw Error("unknown SimpleAnimation property: " + i->first);
- }
- }
+
+bool Interpreter::CanLink(const Value &v) const {
+ return v.IsLiteral() || source.IsDefined(v.GetIdentifier());
}
-void Interpreter::ReadSprite(Sprite &s, const PropertyList &props) {
- for (PropertyList::ConstIterator i(props.Begin()), end(props.End()); i != end; ++i) {
- if (i->first == "image") {
- s.SetSurface(GetImage(*i->second));
- } else if (i->first == "size") {
- s.SetSize(GetVector(*i->second));
- } else if (i->first == "offset") {
- s.SetOffset(GetVector(*i->second));
- } else {
- throw Error("unknown Sprite property: " + i->first);
- }
- }
+void Interpreter::Postpone(
+ char *object,
+ char *dest,
+ const std::string &identifier,
+ int type,
+ bool inlined,
+ bool aggregate) {
+ postponedDefinitions.push_back(
+ PostponedDefinition(object, dest, identifier, type, inlined, aggregate));
}
-void Interpreter::ReadStats(Stats &s, const PropertyList &props) {
- for (PropertyList::ConstIterator i(props.Begin()), end(props.End()); i != end; ++i) {
- if (i->first == "atp") {
- s.SetAttack(GetNumber(*i->second));
- } else if (i->first == "dfp") {
- s.SetDefense(GetNumber(*i->second));
- } else if (i->first == "str") {
- s.SetStrength(GetNumber(*i->second));
- } else if (i->first == "agl") {
- s.SetAgility(GetNumber(*i->second));
- } else if (i->first == "int") {
- s.SetIntelligence(GetNumber(*i->second));
- } else if (i->first == "gut") {
- s.SetGut(GetNumber(*i->second));
- } else if (i->first == "mgr") {
- s.SetMagicResistance(GetNumber(*i->second));
- } else {
- throw Error("unknown Stats property: " + i->first);
- }
+
+void Interpreter::CreateTypeDescriptions() {
+ {
+ TypeDescription &td(TypeDescription::Create(BOOLEAN_ID, "Boolean"));
+ td.SetDescription("Logical value which can be either true or false.");
+ td.SetSize(sizeof(bool));
+ }
+ {
+ TypeDescription &td(TypeDescription::Create(COLOR_ID, "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::Create(IMAGE_ID, "Image"));
+ td.SetDescription("Path to a PNG file with image data.");
+ td.SetSize(sizeof(SDL_Surface));
+ }
+ {
+ TypeDescription &td(TypeDescription::Create(NUMBER_ID, "Number"));
+ td.SetDescription("A signed integer.");
+ td.SetSize(sizeof(int));
+ }
+ {;
+ TypeDescription &td(TypeDescription::Create(PATH_ID, "Path"));
+ td.SetDescription("A path in the filesystem which is interpreted relative to the source file's location.");
+ td.SetSize(1);
+ td.AddSupertype(STRING_ID, 0);
+ }
+ {
+ TypeDescription &td(TypeDescription::Create(SCRIPT_ID, "Script"));
+ td.SetDescription("Collection of commands that define a behaviour.");
+ td.SetSize(sizeof(Script));
+ }
+ {
+ TypeDescription &td(TypeDescription::Create(STRING_ID, "String"));
+ td.SetDescription("Some characters.");
+ td.SetSize(1);
+ }
+ {
+ TypeDescription &td(TypeDescription::Create(VECTOR_ID, "Vector"));
+ td.SetDescription("A pair of numbers usually describing a 2D translation or offset.");
+ td.SetSize(sizeof(Vector<int>));
}
}
projects / l2e.git / blobdiff