1 files changed, 119 insertions, 0 deletions
diff --git a/src/map/script-persist.hpp b/src/map/script-persist.hpp
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+++ b/src/map/script-persist.hpp
@@ -0,0 +1,119 @@
+#pragma once
+//    script-persist.hpp - EAthena script frontend, engine, and library.
+//
+//    Copyright © ????-2004 Athena Dev Teams
+//    Copyright © 2004-2011 The Mana World Development Team
+//    Copyright © 2011-2014 Ben Longbons <b.r.longbons@gmail.com>
+//
+//    This file is part of The Mana World (Athena server)
+//
+//    This program is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU General Public License as published by
+//    the Free Software Foundation, either version 3 of the License, or
+//    (at your option) any later version.
+//
+//    This program is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU General Public License for more details.
+//
+//    You should have received a copy of the GNU General Public License
+//    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#include "fwd.hpp"
+
+#include "../strings/rstring.hpp"
+
+#include "../sexpr/variant.hpp"
+
+
+namespace tmwa
+{
+class SIR
+{
+    uint32_t impl;
+    SIR(SP v)
+    : impl(static_cast<uint32_t>(v))
+    {}
+    SIR(unsigned v, uint8_t i)
+    : impl((i << 24) | v)
+    {}
+public:
+    SIR() : impl() {}
+
+    unsigned base() const { return impl & 0x00ffffff; }
+    uint8_t index() const { return impl >> 24; }
+    SIR iplus(uint8_t i) const { return SIR(base(), index() + i); }
+    static SIR from(unsigned v, uint8_t i=0) { return SIR(v, i); }
+
+    SP sp() const { return static_cast<SP>(impl); }
+    static SIR from(SP v) { return SIR(v); }
+
+    friend bool operator == (SIR l, SIR r) { return l.impl == r.impl; }
+    friend bool operator < (SIR l, SIR r) { return l.impl < r.impl; }
+};
+
+struct ScriptDataPos
+{
+    int numi;
+};
+struct ScriptDataInt
+{
+    int numi;
+};
+struct ScriptDataParam
+{
+    SIR reg;
+};
+struct ScriptDataStr
+{
+    RString str;
+};
+struct ScriptDataArg
+{
+    int numi;
+};
+struct ScriptDataVariable
+{
+    SIR reg;
+};
+struct ScriptDataRetInfo
+{
+    // Not a ScriptPointer - pos is stored in a separate slot,
+    // to avoid exploding the struct for everyone.
+    const ScriptBuffer *script;
+};
+struct ScriptDataFuncRef
+{
+    int numi;
+};
+
+using ScriptDataVariantBase = Variant<
+    ScriptDataPos,
+    ScriptDataInt,
+    ScriptDataParam,
+    ScriptDataStr,
+    ScriptDataArg,
+    ScriptDataVariable,
+    ScriptDataRetInfo,
+    ScriptDataFuncRef
+>;
+struct script_data : ScriptDataVariantBase
+{
+    script_data() = delete;
+    // TODO see if I can delete the copy ctor/assign instead of defaulting
+    script_data(script_data&&) = default;
+    script_data(const script_data&) = default /*delete*/;
+    script_data& operator = (script_data&&) = default;
+    script_data& operator = (const script_data&) = default /*delete*/;
+
+    script_data(ScriptDataPos v) : ScriptDataVariantBase(std::move(v)) {}
+    script_data(ScriptDataInt v) : ScriptDataVariantBase(std::move(v)) {}
+    script_data(ScriptDataParam v) : ScriptDataVariantBase(std::move(v)) {}
+    script_data(ScriptDataStr v) : ScriptDataVariantBase(std::move(v)) {}
+    script_data(ScriptDataArg v) : ScriptDataVariantBase(std::move(v)) {}
+    script_data(ScriptDataVariable v) : ScriptDataVariantBase(std::move(v)) {}
+    script_data(ScriptDataRetInfo v) : ScriptDataVariantBase(std::move(v)) {}
+    script_data(ScriptDataFuncRef v) : ScriptDataVariantBase(std::move(v)) {}
+};
+} // namespace tmwa