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
227
228
229
230
231
232
233
|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "dreamweb/dreamweb.h"
#include "engines/util.h"
#include "graphics/surface.h"
namespace DreamGen {
void DreamGenContext::printboth(const Frame *charSet, uint16 *x, uint16 y, uint8 c, uint8 nextChar) {
uint16 newX = *x;
uint8 width, height;
printchar(charSet, &newX, y, c, nextChar, &width, &height);
multidump(*x, y, width, height);
*x = newX;
}
uint8 DreamGenContext::getnextword(const Frame *charSet, const uint8 *string, uint8 *totalWidth, uint8 *charCount) {
*totalWidth = 0;
*charCount = 0;
while(true) {
uint8 firstChar = *string;
++string;
++*charCount;
if ((firstChar == ':') || (firstChar == 0)) { //endall
*totalWidth += 6;
return 1;
}
if (firstChar == 32) { //endword
*totalWidth += 6;
return 0;
}
firstChar = engine->modifyChar(firstChar);
if (firstChar != 255) {
uint8 secondChar = *string;
uint8 width = charSet[firstChar - 32 + data.word(kCharshift)].width;
width = kernchars(firstChar, secondChar, width);
*totalWidth += width;
}
}
}
void DreamGenContext::printchar() {
uint16 x = di;
uint8 width, height;
printchar((const Frame *)ds.ptr(0, 0), &x, bx, al, ah, &width, &height);
di = x;
cl = width;
ch = height;
}
void DreamGenContext::printchar(const Frame *charSet, uint16* x, uint16 y, uint8 c, uint8 nextChar, uint8 *width, uint8 *height) {
if (c == 255)
return;
push(si);
push(di);
if (data.byte(kForeignrelease) != 0)
y -= 3;
uint16 tmp = c - 32 + data.word(kCharshift);
showframe(charSet, *x, y, tmp & 0x1ff, (tmp >> 8) & 0xfe, width, height);
di = pop();
si = pop();
_cmp(data.byte(kKerning), 0);
if (flags.z())
*width = kernchars(c, nextChar, *width);
(*x) += *width;
}
void DreamGenContext::printslow() {
al = printslow(es.ptr(si, 0), di, bx, dl, (bool)(dl & 1));
}
uint8 DreamGenContext::printslow(const uint8 *string, uint16 x, uint16 y, uint8 maxWidth, bool centered) {
data.byte(kPointerframe) = 1;
data.byte(kPointermode) = 3;
const Frame* charSet = (const Frame *)segRef(data.word(kCharset1)).ptr(0, 0);
do {
uint16 offset = x;
uint16 charCount = getnumber(charSet, string, maxWidth, centered, &offset);
do {
uint8 c0 = string[0];
uint8 c1 = string[1];
uint8 c2 = string[2];
c0 = engine->modifyChar(c0);
printboth(charSet, &offset, y, c0, c1);
if ((c1 == 0) || (c1 == ':')) {
return 0;
}
if (charCount != 1) {
c1 = engine->modifyChar(c1);
data.word(kCharshift) = 91;
uint16 offset2 = offset;
printboth(charSet, &offset2, y, c1, c2);
data.word(kCharshift) = 0;
for (int i=0; i<2; ++i) {
uint16 mouseState = waitframes();
if (mouseState == 0)
continue;
if (mouseState != data.word(kOldbutton)) {
return 1;
}
}
}
++string;
--charCount;
} while (charCount);
y += 10;
} while (true);
}
void DreamGenContext::printdirect() {
uint16 y = bx;
uint16 initialSi = si;
const uint8 *initialString = es.ptr(si, 0);
const uint8 *string = initialString;
printdirect(&string, di, &y, dl, (bool)(dl & 1));
si = initialSi + (string - initialString);
bx = y;
}
void DreamGenContext::printdirect(const uint8** string, uint16 x, uint16 *y, uint8 maxWidth, bool centered) {
data.word(kLastxpos) = x;
const Frame *charSet = (const Frame *)segRef(data.word(kCurrentset)).ptr(0, 0);
while (true) {
uint16 offset = x;
uint8 charCount = getnumber(charSet, *string, maxWidth, centered, &offset);
uint16 i = offset;
do {
uint8 c = (*string)[0];
uint8 nextChar = (*string)[1];
++(*string);
if ((c == 0) || (c == ':')) {
return;
}
c = engine->modifyChar(c);
uint8 width, height;
printchar(charSet, &i, *y, c, nextChar, &width, &height);
data.word(kLastxpos) = i;
--charCount;
} while(charCount);
*y += data.word(kLinespacing);
}
}
void DreamGenContext::getnumber() {
uint16 offset = di;
cl = getnumber((Frame *)ds.ptr(0, 0), es.ptr(si, 0), dl, (bool)(dl & 1), &offset);
di = offset;
}
uint8 DreamGenContext::getnumber(const Frame *charSet, const uint8 *string, uint16 maxWidth, bool centered, uint16* offset) {
uint8 totalWidth = 0;
uint8 charCount = 0;
while (true) {
uint8 wordTotalWidth, wordCharCount;
uint8 done = getnextword(charSet, string, &wordTotalWidth, &wordCharCount);
string += wordCharCount;
if (done == 1) { //endoftext
ax = totalWidth + wordTotalWidth - 10;
if (ax < maxWidth) {
totalWidth += wordTotalWidth;
charCount += wordCharCount;
}
if (centered) {
ax = (maxWidth & 0xfe) + 2 + 20 - totalWidth;
ax /= 2;
} else {
ax = 0;
}
*offset += ax;
return charCount;
}
ax = totalWidth + wordTotalWidth - 10;
if (ax >= maxWidth) { //gotoverend
if (centered) {
ax = (maxWidth & 0xfe) - totalWidth + 20;
ax /= 2;
} else {
ax = 0;
}
*offset += ax;
return charCount;
}
totalWidth += wordTotalWidth;
charCount += wordCharCount;
}
}
uint8 DreamGenContext::kernchars(uint8 firstChar, uint8 secondChar, uint8 width) {
if ((firstChar == 'a') || (al == 'u')) {
if ((secondChar == 'n') || (secondChar == 't') || (secondChar == 'r') || (secondChar == 'i') || (secondChar == 'l'))
return width-1;
}
return width;
}
void DreamGenContext::kernchars() {
cl = kernchars(al, ah, cl);
}
uint16 DreamGenContext::waitframes() {
readmouse();
showpointer();
vsync();
dumppointer();
delpointer();
return data.word(kMousebutton);
}
} /*namespace dreamgen */
|
