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
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
|
/*
* OpenClonk, http://www.openclonk.org
*
* Copyright (c) 1998-2000, Matthes Bender
* Copyright (c) 2001-2009, RedWolf Design GmbH, http://www.clonk.de/
* Copyright (c) 2009-2013, The OpenClonk Team and contributors
*
* Distributed under the terms of the ISC license; see accompanying file
* "COPYING" for details.
*
* "Clonk" is a registered trademark of Matthes Bender, used with permission.
* See accompanying file "TRADEMARK" for details.
*
* To redistribute this file separately, substitute the full license texts
* for the above references.
*/
/* Special regions to extend the pathfinder */
#include <C4Include.h>
#include <C4TransferZone.h>
#include <C4Game.h>
#include <C4FacetEx.h>
#include <C4Landscape.h>
#include <C4GameObjects.h>
C4TransferZone::C4TransferZone()
{
Default();
}
C4TransferZone::~C4TransferZone()
{
Clear();
}
void C4TransferZone::Default()
{
Object=NULL;
X=Y=Wdt=Hgt=0;
Next=NULL;
Used=false;
}
void C4TransferZone::Clear()
{
}
C4TransferZones::C4TransferZones()
{
Default();
}
C4TransferZones::~C4TransferZones()
{
Clear();
}
void C4TransferZones::Default()
{
First=NULL;
}
void C4TransferZones::Clear()
{
C4TransferZone *pZone,*pNext;
for (pZone=First; pZone; pZone=pNext) { pNext=pZone->Next; delete pZone; }
First=NULL;
}
void C4TransferZones::ClearPointers(C4Object *pObj)
{
// Clear object pointers
for (C4TransferZone *pZone=First; pZone; pZone=pZone->Next)
if (pZone->Object==pObj)
pZone->Object=NULL;
// Remove cleared zones immediately
RemoveNullZones();
}
bool C4TransferZones::Set(int32_t iX, int32_t iY, int32_t iWdt, int32_t iHgt, C4Object *pObj)
{
C4TransferZone *pZone;
// Empty zone: clear existing object zones
if (!iWdt || !iHgt) { ClearPointers(pObj); return true; }
// Update existing zone
if ((pZone=Find(pObj)))
{
pZone->X=iX; pZone->Y=iY;
pZone->Wdt=iWdt; pZone->Hgt=iHgt;
}
// Allocate and add new zone
else
Add(iX,iY,iWdt,iHgt,pObj);
// Success
return true;
}
bool C4TransferZones::Add(int32_t iX, int32_t iY, int32_t iWdt, int32_t iHgt, C4Object *pObj)
{
C4TransferZone *pZone;
// Allocate and add new zone
pZone = new C4TransferZone;
pZone->X=iX; pZone->Y=iY;
pZone->Wdt=iWdt; pZone->Hgt=iHgt;
pZone->Object=pObj;
pZone->Next=First;
First=pZone;
// Success
return true;
}
void C4TransferZones::Synchronize()
{
Clear();
::Objects.OnSynchronized();
}
C4TransferZone* C4TransferZones::Find(int32_t iX, int32_t iY)
{
for (C4TransferZone *pZone=First; pZone; pZone=pZone->Next)
if (Inside<int32_t>(iX-pZone->X,0,pZone->Wdt-1))
if (Inside<int32_t>(iY-pZone->Y,0,pZone->Hgt-1))
return pZone;
return NULL;
}
void C4TransferZones::Draw(C4TargetFacet &cgo)
{
for (C4TransferZone *pZone=First; pZone; pZone=pZone->Next)
pZone->Draw(cgo);
}
void C4TransferZone::Draw(C4TargetFacet &cgo, bool fHighlight)
{
if (Used) fHighlight=true;
pDraw->DrawFrameDw(cgo.Surface,
int(cgo.X+X-cgo.TargetX),int(cgo.Y+Y-cgo.TargetY),
int(cgo.X+X-cgo.TargetX+Wdt-1),int(cgo.Y+Y-cgo.TargetY+Hgt-1),
fHighlight ? C4RGB(0, 0xca, 0) : C4RGB(0xca, 0, 0));
}
bool C4TransferZone::At(int32_t iX, int32_t iY)
{
return (Inside<int32_t>(iX-X,0,Wdt-1) && Inside<int32_t>(iY-Y,0,Hgt-1));
}
int32_t C4TransferZones::RemoveNullZones()
{
int32_t iResult=0;
C4TransferZone *pZone,*pNext,*pPrev=NULL;
for (pZone=First; pZone; pZone=pNext)
{
pNext=pZone->Next;
if (!pZone->Object)
{
delete pZone;
if (pPrev) pPrev->Next=pNext;
else First=pNext;
iResult++;
}
else
pPrev=pZone;
}
return iResult;
}
void AdjustMoveToTarget(int32_t &rX, int32_t &rY, bool fFreeMove, int32_t iShapeHgt);
bool C4TransferZone::GetEntryPoint(int32_t &rX, int32_t &rY, int32_t iToX, int32_t iToY)
{
// Target inside zone: move outside horizontally
if (Inside<int32_t>(iToX-X,0,Wdt-1) && Inside<int32_t>(iToY-Y,0,Hgt-1))
{
if (iToX<X+Wdt/2) iToX=X-1;
else iToX=X+Wdt;
}
// Get closest adjacent point
rX=BoundBy<int32_t>(iToX,X-1,X+Wdt);
rY=BoundBy<int32_t>(iToY,Y-1,Y+Hgt);
// Search around zone for free
int32_t iX1=rX,iY1=rY,iX2=rX,iY2=rY;
int32_t iXIncr1=0,iYIncr1=-1,iXIncr2=0,iYIncr2=+1;
int32_t cnt;
for (cnt=0; cnt<2*Wdt+2*Hgt; cnt++)
{
// Found free
if (!GBackSolid(iX1,iY1)) { rX=iX1; rY=iY1; break; }
if (!GBackSolid(iX2,iY2)) { rX=iX2; rY=iY2; break; }
// Advance
iX1+=iXIncr1; iY1+=iYIncr1;
iX2+=iXIncr2; iY2+=iYIncr2;
// Corners
if (iY1<Y-1) { iY1=Y-1; iXIncr1=+1; iYIncr1=0; }
if (iX1>X+Wdt) { iX1=X+Wdt; iXIncr1=0; iYIncr1=+1; }
if (iY1>Y+Hgt) { iY1=Y+Hgt; iXIncr1=-1; iYIncr1=0; }
if (iX1<X-1) { iX1=X-1; iXIncr1=0; iYIncr1=-1; }
if (iY2<Y-1) { iY2=Y-1; iXIncr2=-1; iYIncr2=0; }
if (iX2>X+Wdt) { iX2=X+Wdt; iXIncr2=0; iYIncr2=-1; }
if (iY2>Y+Hgt) { iY2=Y+Hgt; iXIncr2=+1; iYIncr2=0; }
if (iX2<X-1) { iX2=X-1; iXIncr2=0; iYIncr2=+1; }
}
// No free found
if (cnt>=2*Wdt+2*Hgt) return false;
// Vertical walk-to adjust (only if at the side of zone)
if (!Inside<int32_t>(rX-X,0,Wdt-1))
AdjustMoveToTarget(rX,rY,false,20);
// Success
return true;
}
void C4TransferZones::ClearUsed()
{
for (C4TransferZone *pZone=First; pZone; pZone=pZone->Next)
pZone->Used=false;
}
C4TransferZone* C4TransferZones::Find(C4Object *pObj)
{
for (C4TransferZone *pZone=First; pZone; pZone=pZone->Next)
if (pZone->Object==pObj)
return pZone;
return NULL;
}
|
