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
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
// LuaWindow.cpp
// Implements the cLuaWindow class representing a virtual window that plugins may create and open for the player
#include "Globals.h"
#include "LuaWindow.h"
#include "UI/SlotArea.h"
#include "PluginLua.h"
#include "Player.h"
#include "lauxlib.h" // Needed for LUA_REFNIL
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// cLuaWindow:
cLuaWindow::cLuaWindow(cWindow::WindowType a_WindowType, int a_SlotsX, int a_SlotsY, const AString & a_Title) :
super(a_WindowType, a_Title),
m_Contents(a_SlotsX, a_SlotsY),
m_Plugin(NULL),
m_LuaRef(LUA_REFNIL),
m_OnClosingFnRef(LUA_REFNIL),
m_OnSlotChangedFnRef(LUA_REFNIL)
{
m_Contents.AddListener(*this);
m_SlotAreas.push_back(new cSlotAreaItemGrid(m_Contents, *this));
// If appropriate, add an Armor slot area:
switch (a_WindowType)
{
case cWindow::Inventory:
case cWindow::Workbench:
{
m_SlotAreas.push_back(new cSlotAreaArmor(*this));
break;
}
}
m_SlotAreas.push_back(new cSlotAreaInventory(*this));
m_SlotAreas.push_back(new cSlotAreaHotBar(*this));
}
cLuaWindow::~cLuaWindow()
{
m_Contents.RemoveListener(*this);
// Must delete slot areas now, because they are referencing this->m_Contents and would try to access it in cWindow's
// destructor, when the member is already gone.
for (cSlotAreas::iterator itr = m_SlotAreas.begin(), end = m_SlotAreas.end(); itr != end; ++itr)
{
delete *itr;
}
m_SlotAreas.clear();
ASSERT(m_OpenedBy.empty());
}
void cLuaWindow::SetLuaRef(cPluginLua * a_Plugin, int a_LuaRef)
{
// Either m_Plugin is not set or equal to the passed plugin; only one plugin can use one cLuaWindow object
ASSERT((m_Plugin == NULL) || (m_Plugin == a_Plugin));
ASSERT(m_LuaRef == LUA_REFNIL);
m_Plugin = a_Plugin;
m_LuaRef = a_LuaRef;
}
bool cLuaWindow::IsLuaReferenced(void) const
{
return ((m_Plugin != NULL) && (m_LuaRef != LUA_REFNIL));
}
void cLuaWindow::SetOnClosing(cPluginLua * a_Plugin, int a_FnRef)
{
// Either m_Plugin is not set or equal to the passed plugin; only one plugin can use one cLuaWindow object
ASSERT((m_Plugin == NULL) || (m_Plugin == a_Plugin));
// If there already was a function, unreference it first
if (m_OnClosingFnRef != LUA_REFNIL)
{
m_Plugin->Unreference(m_OnClosingFnRef);
}
// Store the new reference
m_Plugin = a_Plugin;
m_OnClosingFnRef = a_FnRef;
}
void cLuaWindow::SetOnSlotChanged(cPluginLua * a_Plugin, int a_FnRef)
{
// Either m_Plugin is not set or equal to the passed plugin; only one plugin can use one cLuaWindow object
ASSERT((m_Plugin == NULL) || (m_Plugin == a_Plugin));
// If there already was a function, unreference it first
if (m_OnSlotChangedFnRef != LUA_REFNIL)
{
m_Plugin->Unreference(m_OnSlotChangedFnRef);
}
// Store the new reference
m_Plugin = a_Plugin;
m_OnSlotChangedFnRef = a_FnRef;
}
bool cLuaWindow::ClosedByPlayer(cPlayer & a_Player, bool a_CanRefuse)
{
// First notify the plugin through the registered callback:
if (m_OnClosingFnRef != LUA_REFNIL)
{
ASSERT(m_Plugin != NULL);
if (m_Plugin->CallbackWindowClosing(m_OnClosingFnRef, *this, a_Player, a_CanRefuse))
{
// The callback disagrees (the higher levels check the CanRefuse flag compliance)
return false;
}
}
return super::ClosedByPlayer(a_Player, a_CanRefuse);
}
void cLuaWindow::Destroy(void)
{
super::Destroy();
if ((m_LuaRef != LUA_REFNIL) && (m_Plugin != NULL))
{
// The object is referenced by Lua, un-reference it
m_Plugin->Unreference(m_LuaRef);
}
// Lua will take care of this object, it will garbage-collect it, so we *must not* delete it!
m_IsDestroyed = false;
}
void cLuaWindow::OnSlotChanged(cItemGrid * a_ItemGrid, int a_SlotNum)
{
if (a_ItemGrid != &m_Contents)
{
ASSERT(!"Invalid ItemGrid in callback");
return;
}
// If an OnSlotChanged callback has been registered, call it:
if (m_OnSlotChangedFnRef != LUA_REFNIL)
{
m_Plugin->CallbackWindowSlotChanged(m_OnSlotChangedFnRef, *this, a_SlotNum);
}
}
|
