aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/OpenSim.Scripting/EmbeddedJVM/InterpreterMethods.cs
blob: dc3402e5f2f40dfd9a0d7ae3f3a1f782c62e00b5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
using System;
using System.Collections.Generic;
using System.Text;
using OpenSim.Scripting.EmbeddedJVM.Types;
using OpenSim.Scripting.EmbeddedJVM.Types.PrimitiveTypes;
using OpenSim.Framework.Interfaces;
using OpenSim.Framework;

namespace OpenSim.Scripting.EmbeddedJVM
{
    partial class Thread
    {
        private partial class Interpreter
        {
            private bool IsMethodOpCode(byte opcode)
            {
                bool result = false;
                switch (opcode)
                {
                    case 184:
                        short refIndex = (short) ((GlobalMemory.MethodArea.MethodBuffer[this._mThread.PC] << 8) + GlobalMemory.MethodArea.MethodBuffer[this._mThread.PC+1]);
                        //Console.WriteLine("call to method : "+refIndex);
                        if (this._mThread.currentClass._constantsPool[refIndex - 1] is ClassRecord.PoolMethodRef)
                        {
                           // Console.WriteLine("which is " + ((ClassRecord.PoolMethodRef)this._mThread.currentClass._constantsPool[refIndex - 1]).mClass.Name.Value + "." + ((ClassRecord.PoolMethodRef)this._mThread.currentClass._constantsPool[refIndex - 1]).mNameType.Name.Value);
                           // Console.WriteLine("of type " + ((ClassRecord.PoolMethodRef)this._mThread.currentClass._constantsPool[refIndex - 1]).mNameType.Type.Value);
                            string typ = ((ClassRecord.PoolMethodRef)this._mThread.currentClass._constantsPool[refIndex - 1]).mNameType.Type.Value;
                            string typeparam = "";
                            string typereturn = "";
                            int firstbrak = 0;
                            int secondbrak = 0;
                            firstbrak = typ.LastIndexOf('(');
                            secondbrak = typ.LastIndexOf(')');
                            typeparam = typ.Substring(firstbrak + 1, secondbrak - firstbrak - 1);
                            typereturn = typ.Substring(secondbrak + 1, typ.Length - secondbrak - 1);
                            //Console.WriteLine("split is " + typeparam + " which is length " + typeparam.Length + " , " + typereturn);
                            if (((ClassRecord.PoolMethodRef)this._mThread.currentClass._constantsPool[refIndex - 1]).mClass.Name.Value == this._mThread.currentClass.mClass.Name.Value)
                            {
                                //calling a method in this class
                                if (typeparam.Length == 0)
                                {
                                    this._mThread.JumpToStaticVoidMethod(((ClassRecord.PoolMethodRef)this._mThread.currentClass._constantsPool[refIndex - 1]).mNameType.Name.Value, (this._mThread.PC + 2));
                                }
                                else
                                {
                                    this._mThread.JumpToStaticParamMethod(((ClassRecord.PoolMethodRef)this._mThread.currentClass._constantsPool[refIndex - 1]).mNameType.Name.Value, typeparam, (this._mThread.PC + 2));
                                }
                            }
                            else
                            {
                                //calling a method of a different class

                                //for now we will have a built in OpenSimAPI class, but this should be a java class that then calls native methods
                                if (((ClassRecord.PoolMethodRef)this._mThread.currentClass._constantsPool[refIndex - 1]).mClass.Name.Value == "OpenSimAPI")
                                {
                                    switch (((ClassRecord.PoolMethodRef)this._mThread.currentClass._constantsPool[refIndex - 1]).mNameType.Name.Value)
                                    {
                                        case "GetEntityID":
                                            Int entityID = new Int();
                                            entityID.mValue =(int) this._mThread.EntityId;
                                            this._mThread.currentFrame.OpStack.Push(entityID);
                                            this._mThread.PC += 2;
                                            break;
                                        case "GetRandomAvatarID":
                                            entityID = new Int();
                                            entityID.mValue = (int)Thread.OpenSimScriptAPI.GetRandomAvatarID();
                                            this._mThread.currentFrame.OpStack.Push(entityID);
                                            this._mThread.PC += 2;
                                            break;
                                        case "GetEntityPositionX":
                                            BaseType bs1 = this._mThread.currentFrame.OpStack.Pop();
                                            if (bs1 is Int)
                                            {
                                                //Console.WriteLine("get entity pos for " + ((Int)bs1).mValue);
                                                //should get the position of the entity from the IScriptAPI
                                                OSVector3 vec3 = Thread.OpenSimScriptAPI.GetEntityPosition((uint)((Int)bs1).mValue);
                                                Float pos = new Float();
                                                pos.mValue = vec3.X;
                                               // Console.WriteLine("returned x value " + vec3.X.ToString());
                                                this._mThread.currentFrame.OpStack.Push(pos);
                                            }
                                            this._mThread.PC += 2;
                                            break;
                                        case "GetEntityPositionY":
                                            bs1 = this._mThread.currentFrame.OpStack.Pop();
                                            if (bs1 is Int)
                                            {
                                                //should get the position of the entity from the IScriptAPI
                                                OSVector3 vec3 = Thread.OpenSimScriptAPI.GetEntityPosition((uint)((Int)bs1).mValue);
                                                Float pos = new Float();
                                                pos.mValue = vec3.Y;
                                                this._mThread.currentFrame.OpStack.Push(pos);
                                            }
                                            this._mThread.PC += 2;
                                            break;
                                        case "GetEntityPositionZ":
                                            bs1 = this._mThread.currentFrame.OpStack.Pop();
                                            if (bs1 is Int)
                                            {
                                                //should get the position of the entity from the IScriptAPI
                                                OSVector3 vec3 = Thread.OpenSimScriptAPI.GetEntityPosition((uint)((Int)bs1).mValue);
                                                Float pos = new Float();
                                                pos.mValue = vec3.Z;
                                                this._mThread.currentFrame.OpStack.Push(pos);
                                            }
                                            this._mThread.PC += 2;
                                            break;
                                        case "SetEntityPosition":
                                            //pop the three float values and the entity id
                                            BaseType ft3 = this._mThread.currentFrame.OpStack.Pop();
                                            BaseType ft2 = this._mThread.currentFrame.OpStack.Pop();
                                            BaseType ft1 = this._mThread.currentFrame.OpStack.Pop();
                                            BaseType in1 = this._mThread.currentFrame.OpStack.Pop();
                                            if (ft1 is Float && ft2 is Float && ft3 is Float)
                                            {
                                                if(in1 is Int)
                                                {
                                                    //Console.WriteLine("set: " + ((Int)in1).mValue + " , " + ((Float)ft1).mValue + " , " + ((Float)ft2).mValue + " , " + ((Float)ft3).mValue);
                                                    Thread.OpenSimScriptAPI.SetEntityPosition((uint)((Int) in1).mValue, ((Float)ft1).mValue, ((Float)ft2).mValue, ((Float)ft3).mValue);
                                                }
                                            }
                                            this._mThread.PC += 2;
                                            break;
                                    }
                                }
                            }
                        }
                        else
                        {
                            this._mThread.PC += 2;
                        }
                        result = true;
                        break;
                }

                return result;
            }
        }
    }
}