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-rw-r--r--src/renderpng.cpp266
1 files changed, 266 insertions, 0 deletions
diff --git a/src/renderpng.cpp b/src/renderpng.cpp
new file mode 100644
index 0000000..21d35ba
--- /dev/null
+++ b/src/renderpng.cpp
@@ -0,0 +1,266 @@
1#include "renderpng.h"
2#include "position.h"
3#include "map.h"
4#include "cell.h"
5
6#include <math.h>
7#include <string.h>
8#include <stdint.h>
9#include <stdlib.h>
10#include <png.h>
11
12RenderPng::RenderPng( Map &rMap ) :
13 rMap( rMap )
14{
15}
16
17RenderPng::~RenderPng()
18{
19}
20
21void RenderPng::render()
22{
23 int iDims = rMap.getDims();
24 int iSize = 1;
25 if( iDims > 2 )
26 iSize = (int)ceil(sqrt((rMap.getDims()-2)*2));
27
28 int iBufWidth = ((iSize+1)*rMap.getSize( 0 )+1)*5;
29 int iBufHeight = ((iSize+1)*rMap.getSize( 1 )+1)*5;
30 int iBufSize = iBufWidth*iBufHeight;
31 uint8_t *pBuf = new uint8_t[iBufSize];
32 uint8_t **pRows = new uint8_t*[iBufHeight];
33 for( int r = 0; r < iBufHeight; r++ )
34 {
35 pRows[r] = pBuf+(iBufWidth*r);
36 }
37 memset( pBuf, 1, iBufSize );
38
39 Position p( iDims );
40 for(;;)
41 {
42 int x = p[0]*(iSize+1);
43 int y = p[1]*(iSize+1);
44 int iWalls = rMap[p].iWalls;
45
46 for( int iRow = 0; iRow < iSize+2; iRow++ )
47 {
48 for( int iCol = 0; iCol < iSize+2; iCol++ )
49 {
50 if( (iRow == 0 || iRow == iSize+1) &&
51 (iCol == 0 || iCol == iSize+1) )
52 {
53 pRows[(y+iRow)*5+2][(x+iCol)*5+2] = 0;
54 if( iRow == 0 && iCol == 0 )
55 {
56 if( (iWalls&(1<<2)) == 0 )
57 {
58 for( int i = 0; i < 3; i++ )
59 pRows[(y+iRow)*5+2][(x+iCol)*5+i+3] = 0;
60 }
61 if( (iWalls&(1<<0)) == 0 )
62 {
63 for( int i = 0; i < 3; i++ )
64 pRows[(y+iRow)*5+i+3][(x+iCol)*5+2] = 0;
65 }
66 }
67 else if( iRow == 0 && iCol == iSize+1 )
68 {
69 if( (iWalls&(1<<2)) == 0 )
70 {
71 for( int i = 0; i < 3; i++ )
72 pRows[(y+iRow)*5+2][(x+iCol)*5+i] = 0;
73 }
74 if( (iWalls&(1<<1)) == 0 )
75 {
76 for( int i = 0; i < 3; i++ )
77 pRows[(y+iRow)*5+i+3][(x+iCol)*5+2] = 0;
78 }
79 }
80 else if( iRow == iSize+1 && iCol == 0 )
81 {
82 if( (iWalls&(1<<3)) == 0 )
83 {
84 for( int i = 0; i < 3; i++ )
85 pRows[(y+iRow)*5+2][(x+iCol)*5+i+3] = 0;
86 }
87 if( (iWalls&(1<<0)) == 0 )
88 {
89 for( int i = 0; i < 3; i++ )
90 pRows[(y+iRow)*5+i][(x+iCol)*5+2] = 0;
91 }
92 }
93 else if( iRow == iSize+1 && iCol == iSize+1 )
94 {
95 if( (iWalls&(1<<3)) == 0 )
96 {
97 for( int i = 0; i < 3; i++ )
98 pRows[(y+iRow)*5+2][(x+iCol)*5+i] = 0;
99 }
100 if( (iWalls&(1<<1)) == 0 )
101 {
102 for( int i = 0; i < 3; i++ )
103 pRows[(y+iRow)*5+i][(x+iCol)*5+2] = 0;
104 }
105 }
106 }
107 else if( iRow == 0 && (iWalls&(1<<2)) == 0 )
108 {
109 for( int i = 0; i < 5; i++ )
110 {
111 pRows[(y+iRow)*5+2][(x+iCol)*5+i] = 0;
112 }
113 }
114 else if( iRow == iSize+1 && (iWalls&(1<<3)) == 0 )
115 {
116 for( int i = 0; i < 5; i++ )
117 {
118 pRows[(y+iRow)*5+2][(x+iCol)*5+i] = 0;
119 }
120 }
121 else if( iCol == 0 && (iWalls&(1<<0)) == 0 )
122 {
123 for( int i = 0; i < 5; i++ )
124 {
125 pRows[(y+iRow)*5+i][(x+iCol)*5+2] = 0;
126 }
127 }
128 else if( iCol == iSize+1 && (iWalls&(1<<1)) == 0 )
129 {
130 for( int i = 0; i < 5; i++ )
131 {
132 pRows[(y+iRow)*5+i][(x+iCol)*5+2] = 0;
133 }
134 }
135 }
136 }
137
138 for( int j = 2; j < iDims; j++ )
139 {
140 for( int side = 0; side < 2; side++ )
141 {
142 int d = j*2+side;
143 if( iWalls&(1<<d) )
144 {
145 int iSubX = (x+1+((d-4)%iSize))*5;
146 int iSubY = (y+1+((d-4)/iSize))*5;
147//
148// char &c = buf[x+1+iSubX+(y+1+iSubY)*iBufWidth];
149// c = cPassages[d];
150 switch( d )
151 {
152 case 4:
153 pRows[iSubY+1][iSubX+2] = 0;
154 pRows[iSubY+2][iSubX+1] = 0;
155 pRows[iSubY+2][iSubX+3] = 0;
156 pRows[iSubY+3][iSubX+0] = 0;
157 pRows[iSubY+3][iSubX+4] = 0;
158 break;
159
160 case 5:
161 pRows[iSubY+3][iSubX+2] = 0;
162 pRows[iSubY+2][iSubX+1] = 0;
163 pRows[iSubY+2][iSubX+3] = 0;
164 pRows[iSubY+1][iSubX+0] = 0;
165 pRows[iSubY+1][iSubX+4] = 0;
166 break;
167
168 case 6:
169 pRows[iSubY+2][iSubX+1] = 0;
170 pRows[iSubY+1][iSubX+2] = 0;
171 pRows[iSubY+3][iSubX+2] = 0;
172 pRows[iSubY+0][iSubX+3] = 0;
173 pRows[iSubY+4][iSubX+3] = 0;
174 break;
175
176 case 7:
177 pRows[iSubY+2][iSubX+3] = 0;
178 pRows[iSubY+1][iSubX+2] = 0;
179 pRows[iSubY+3][iSubX+2] = 0;
180 pRows[iSubY+0][iSubX+1] = 0;
181 pRows[iSubY+4][iSubX+1] = 0;
182 break;
183 }
184 }
185 }
186 }
187
188 int iDim;
189 char fname[1024];
190 for( iDim = 0; iDim < iDims; iDim++ )
191 {
192 if( ++p[iDim] < rMap.getSize( iDim ) )
193 break;
194 p[iDim] = 0;
195 if( iDim == 1 )
196 {
197 strcpy(fname, "floor");
198 if( iDims > 2 )
199 {
200 char buf[1024];
201 sprintf( buf, "-%d", rMap.getSize(2)-p[2] );
202 strcat( fname, buf );
203 for( int j = 3; j < iDims; j++ )
204 {
205 sprintf( buf, "-%d", rMap.getSize(j)-p[j] );
206 strcat( fname, buf );
207 }
208 }
209 strcat( fname, ".png");
210 printf("Output: %s\n", fname );
211
212 png_structp png_ptr = png_create_write_struct(
213 PNG_LIBPNG_VER_STRING, NULL, NULL, NULL
214 );
215 png_infop info_ptr = png_create_info_struct(png_ptr);
216 png_set_IHDR(png_ptr, info_ptr, iBufWidth, iBufHeight,
217 8, PNG_COLOR_TYPE_PALETTE, PNG_INTERLACE_NONE,
218 PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT
219 );
220 png_color col[2];
221 col[0].red = col[0].green = col[0].blue = 0;
222 col[1].red = col[1].green = col[1].blue = 255;
223 png_set_PLTE( png_ptr, info_ptr, col, 2);
224
225 png_set_rows( png_ptr, info_ptr, pRows );
226
227 FILE *fp = fopen(fname, "wb");
228 if( fp == NULL )
229 {
230 printf("Error opening file!\n");
231 exit( 1 );
232 }
233
234 png_init_io( png_ptr, fp );
235 png_write_png( png_ptr, info_ptr, PNG_TRANSFORM_IDENTITY, NULL );
236 png_destroy_write_struct( &png_ptr, &info_ptr );
237 fclose( fp );
238
239 memset( pBuf, 1, iBufSize );
240 }
241 }
242 if( iDim == iDims )
243 break;
244/*
245 for( int j = 2; j < iDims; j++ )
246 {
247 for( int side = 0; side < 2; side++ )
248 {
249 int d = j*2+side;
250 if( iWalls&(1<<d) )
251 {
252 int iSubX = (d-4)%iSize;
253 int iSubY = (d-4)/iSize;
254 char &c = buf[x+1+iSubX+(y+1+iSubY)*iBufWidth];
255 c = cPassages[d];
256 }
257 }
258 }
259 */
260 }
261// printf(buf);
262
263 delete[] pBuf;
264 delete[] pRows;
265}
266
generated by cgit v1.2.3 (git 2.39.1) at 2025-10-25 10:20:36 +0000