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1 #include <stdio.h>
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nuclear@63
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2 #ifndef _MSC_VER
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3 #include <alloca.h>
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4 #else
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5 #include <malloc.h>
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6 #endif
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7 #include "tileset.h"
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8 #include "datapath.h"
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9
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10 static char *strip_space(char *ptr);
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11
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12 static TileSet *active_tileset;
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13
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14 TileSet::TileSet()
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15 : texset(load_texture, destroy_texture),
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16 sampleset(load_audio_sample, destroy_audio_sample)
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17 {
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18 }
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19
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20 TileSet::~TileSet()
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21 {
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22 for(auto iter : tiles) {
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23 delete iter.second;
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24 }
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25 }
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26
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27 bool TileSet::load(const char *fname)
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28 {
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29 FILE *fp;
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30 if(!(fp = fopen(fname, "r"))) {
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31 fprintf(stderr, "failed to open tileset: %s\n", fname);
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32 return false;
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33 }
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34 char *tmp = (char*)alloca(strlen(fname) + 1);
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35 strcpy(tmp, fname);
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36 fname = tmp;
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37
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38 int linenum = 0;
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39 char buf[512];
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40 while(fgets(buf, sizeof buf, fp)) {
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41 linenum++;
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42
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43 char *line = strip_space(buf);
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44 if(!*line || *line == '#') {
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45 continue;
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46 }
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47
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48 char *tilefile = strchr(line, ':');
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49 if(!tilefile) {
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50 fprintf(stderr, "error parsing tileset %s, line %d: %s\n", fname,
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51 linenum, line);
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52 fclose(fp);
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53 return false;
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54 }
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55 *tilefile++ = 0;
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56
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57 printf("Tileset %s, loading tile \"%s\" -> %s\n", fname, line, tilefile);
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58 Tile *tile = new Tile(this);
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59 if(!tile->load(datafile_path(tilefile).c_str())) {
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60 fprintf(stderr, "failed to load tile: %s\n", tilefile);
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61 delete tile;
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62 continue;
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63 }
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64
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65 tiles[line] = tile;
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66 }
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67
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68 fclose(fp);
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69 return true;
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70 }
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71
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72 TextureSet *TileSet::get_textures()
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73 {
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74 return &texset;
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75 }
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76
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77 const TextureSet *TileSet::get_textures() const
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78 {
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79 return &texset;
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80 }
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81
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82 SampleSet *TileSet::get_samples()
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83 {
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84 return &sampleset;
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85 }
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86
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87 const SampleSet *TileSet::get_samples() const
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88 {
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89 return &sampleset;
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90 }
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91
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92 Tile *TileSet::get_tile(const char *name) const
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93 {
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94 auto res = tiles.find(name);
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95 return res != tiles.end() ? res->second : 0;
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96 }
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97
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98 void TileSet::update_tiles(unsigned long msec)
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99 {
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100 for(auto tilepair : tiles) {
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101 tilepair.second->update(msec, 0.0f);
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102 }
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103 }
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104
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105 void set_active_tileset(TileSet *set)
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106 {
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107 active_tileset = set;
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108 }
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109
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110 TileSet *get_active_tileset()
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111 {
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112 return active_tileset;
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113 }
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114
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115 static char *strip_space(char *ptr)
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116 {
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117 while(isspace(*ptr)) {
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118 ptr++;
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119 }
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120
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121 char *nl = strrchr(ptr, '\n');
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122 if(nl) *nl = 0;
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123 char *cr = strrchr(ptr, '\r');
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124 if(cr) *cr = 0;
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125
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126 return ptr;
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127 }
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