Mercurial > hg > dmlib
annotate dmq3d.c @ 245:eed8eed58f82
Changes in the 3d loader.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Tue, 09 Oct 2012 17:46:40 +0300 |
parents | a9d500e5698d |
children | 3bf8ebf09a6a |
rev | line source |
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1 #include "dmq3d.h" |
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2 #include "dmimage.h" |
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3 |
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4 |
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5 #define DM_DRAWLINE_NAME dmDrawLineSpec |
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6 #define DM_DRAWLINE_DST_BYTES 4 |
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7 #define DM_DRAWLINE_DST_TYPE DMRGBA32 |
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8 #define DM_DRAWLINE_ARGS , SDL_Surface *bmp |
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9 #define DM_DRAWLINE_INIT const int px = bmp->w / 2, py = bmp->h / 2; |
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10 #define DM_DRAWLINE_INNER \ |
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11 dmUnscaledBlitSurface32to32Transparent(bmp, x0-px, y0-py, screen); |
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12 #define DM_DRAWLINE_SPEC |
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13 #include "dmdrawline.h" |
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14 |
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15 |
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16 static int dmFind3DBitmap(int nitems, DM3DBitmap *items, DM3DBitmap *item) |
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17 { |
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18 int i; |
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19 for (i = 0; i < nitems; i++) |
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20 if (strcmp(item->name, items[i].name) == 0) |
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21 return i; |
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22 return -1; |
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23 } |
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24 |
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25 #define DM_FIND_ITEM_FUNC(NAME, TYPE) \ |
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26 static int dmFind3D ## NAME (int nitems, TYPE *items, TYPE *item) \ |
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27 { \ |
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28 int i; \ |
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29 for (i = 0; i < nitems; i++) \ |
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30 if (memcmp(item, items+i, sizeof(TYPE)) == 0) \ |
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31 return i; \ |
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32 return -1; \ |
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33 } |
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34 |
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35 #define DM_ADD_ITEM_FUNC(NAME, TYPE) \ |
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36 static int dmAdd3D ## NAME (int *nitems, int *nalloc, TYPE **items, TYPE *item, int *res) \ |
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37 { \ |
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38 int tmp; \ |
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39 if ((tmp = dmFind3D ## NAME (*nitems, *items, item)) >= 0) \ |
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40 { \ |
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41 if (res != NULL) *res = tmp; \ |
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42 return DMERR_OK; \ |
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43 } \ |
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44 if ((*nitems) + 1 >= *nalloc) \ |
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45 { \ |
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46 (*nalloc) += 16; \ |
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47 if ((*items = dmRealloc(*items, *nalloc * sizeof(TYPE))) == NULL) \ |
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48 return DMERR_MALLOC; \ |
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49 } \ |
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50 memcpy((*items) + (*nitems), item, sizeof(TYPE)); \ |
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51 if (res != NULL) *res = *nitems; \ |
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52 (*nitems)++; \ |
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53 return DMERR_OK; \ |
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54 } |
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55 |
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56 DM_FIND_ITEM_FUNC(Vertex, DMVector) |
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57 DM_FIND_ITEM_FUNC(Line, DM3DLine) |
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58 DM_FIND_ITEM_FUNC(Sprite, DM3DSprite) |
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59 |
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60 DM_ADD_ITEM_FUNC(Vertex, DMVector) |
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61 DM_ADD_ITEM_FUNC(Line, DM3DLine) |
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62 DM_ADD_ITEM_FUNC(Sprite, DM3DSprite) |
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63 DM_ADD_ITEM_FUNC(Bitmap, DM3DBitmap) |
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64 |
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65 |
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66 int dmAdd3DLineSpriteModelVertex(DM3DLineSpriteModel *model, DMVector *v, int *index) |
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67 { |
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68 return dmAdd3DVertex(&model->nvertices, &model->nvertexalloc, |
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69 &model->vertices, v, index); |
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70 } |
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71 |
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72 int dmAdd3DLineSpriteModelLine(DM3DLineSpriteModel *model, DM3DLine *v, int *index) |
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73 { |
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74 return dmAdd3DLine(&model->nlines, &model->nlinesalloc, |
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75 &model->lines, v, index); |
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76 } |
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77 |
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78 int dmAdd3DLineSpriteModelSprite(DM3DLineSpriteModel *model, DM3DSprite *v, int *index) |
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79 { |
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80 return dmAdd3DSprite(&model->nsprites, &model->nspritesalloc, |
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81 &model->sprites, v, index); |
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82 } |
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83 |
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84 int dmAdd3DLineSpriteModelBitmap(DM3DLineSpriteModel *model, DM3DBitmap *v, int *index) |
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85 { |
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86 return dmAdd3DBitmap(&model->nbitmaps, &model->nbitmapsalloc, |
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87 &model->bitmaps, v, index); |
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88 } |
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89 |
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90 |
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91 static inline DMFloat dmPX(DMVector p) |
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92 { |
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93 return 320 + p.x * 250.0f / (p.z + 501.0f); |
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94 } |
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95 |
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96 |
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97 static inline DMFloat dmPY(DMVector p) |
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98 { |
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99 return 200 + p.y * 250.0f / (p.z + 501.0f); |
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100 } |
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101 |
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102 |
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103 void dmDraw3DLineSpriteModel(SDL_Surface *screen, DM3DLineSpriteModel *model, DMVector *pos, DMMatrix *mat, SDL_Surface *fbmap, Uint32 lcol) |
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104 { |
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105 int i; |
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106 for (i = 0; i < model->nlines; i++) |
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107 { |
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108 DM3DLine *line = &model->lines[i]; |
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109 DMVector pv[2]; |
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110 dm_vector_add_r(&pv[0], &model->vertices[line->v1], pos); |
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111 dm_vector_add_r(&pv[1], &model->vertices[line->v2], pos); |
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112 dm_vector_mul_by_mat_n(pv, 2, mat); |
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113 |
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114 if (line->type > 1) |
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115 dmDrawLineSpec(screen, dmPX(pv[0]), dmPY(pv[0]), dmPX(pv[1]), dmPY(pv[1]), lcol, fbmap); |
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116 else |
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117 dmDrawLine32(screen, dmPX(pv[0]), dmPY(pv[0]), dmPX(pv[1]), dmPY(pv[1]), lcol); |
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118 } |
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Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
119 |
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Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
120 for (i = 0; i < model->nsprites; i++) |
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Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
121 { |
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Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
122 DM3DSprite *sprite = &model->sprites[i]; |
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parents:
diff
changeset
|
123 DM3DBitmap *bmp = &model->bitmaps[sprite->bitmap]; |
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Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
124 DMVector pv, pt; |
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parents:
diff
changeset
|
125 dm_vector_add_r(&pt, &model->vertices[sprite->v], pos); |
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Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
126 dm_vector_mul_by_mat(&pv, &pt, mat); |
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Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
127 dmUnscaledBlitSurface32to32Transparent(bmp->img, dmPX(pv), dmPY(pv), screen); |
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Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
128 } |
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Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
129 } |
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Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
130 |
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Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
131 |
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Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
132 static char *dmSkipWhitespace(char *line, BOOL invert) |
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parents:
diff
changeset
|
133 { |
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Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
134 if (invert) |
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Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
135 for (; *line && !isspace(*line); line++); |
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Move 3D line/sprite renderer to separate module.
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parents:
diff
changeset
|
136 else |
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Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
137 for (; *line && isspace(*line); line++); |
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Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
138 return line; |
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Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
139 } |
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Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
140 |
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Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
141 |
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Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
142 static char *dmSkipUntil(char *line, char ch) |
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Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
143 { |
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Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
144 for (; *line && *line != ch; line++); |
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Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
145 return line; |
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Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
146 } |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
147 |
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Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
148 |
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Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
149 static BOOL dmReadCoordinate(char **line, float *value, BOOL next) |
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Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
150 { |
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Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
151 *line = dmSkipWhitespace(*line, FALSE); |
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parents:
diff
changeset
|
152 if (sscanf(*line, "%f", value) != 1) return FALSE; |
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Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
153 if (next) |
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Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
154 { |
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Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
155 *line = dmSkipUntil(*line, ','); |
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Move 3D line/sprite renderer to separate module.
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parents:
diff
changeset
|
156 if (**line != ',') return FALSE; |
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Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
157 *(*line)++; |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
158 } |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
159 else |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
160 *line = dmSkipWhitespace(*line, TRUE); |
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Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
161 |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
162 return TRUE; |
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Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
163 } |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
164 |
243 | 165 static BOOL dmReadLineSegments(char *line, DM3DLineSpriteModel *model, BOOL relative, const DMVector *pt) |
241
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
166 { |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
167 int nvertices, vertex, type; |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
168 int *indices = NULL; |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
169 if (sscanf(line+1, "%d", &nvertices) != 1) |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
170 { |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
171 dmError("No # of segments @ '%s'\n", line); |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
172 goto error; |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
173 } |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
174 |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
175 if ((indices = dmMalloc(sizeof(int) * (nvertices+1))) == NULL) |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
176 goto error; |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
177 |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
178 line = dmSkipWhitespace(line, TRUE); |
243 | 179 DMVector v, p, *t; |
180 dm_vector_copy(&v, pt); | |
241
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
181 for (vertex = 0; vertex <= nvertices; vertex++) |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
182 { |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
183 if (!dmReadCoordinate(&line, &p.x, TRUE)) return FALSE; |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
184 if (!dmReadCoordinate(&line, &p.y, TRUE)) return FALSE; |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
185 if (!dmReadCoordinate(&line, &p.z, FALSE)) return FALSE; |
243 | 186 if (relative) |
187 { | |
188 dm_vector_add(&v, &p); | |
189 t = &v; | |
190 } | |
191 else | |
245 | 192 { |
193 dm_vector_add_r(&v, &p, pt); | |
194 t = &v; | |
195 } | |
243 | 196 |
197 if (dmAdd3DLineSpriteModelVertex(model, t, &indices[vertex]) != DMERR_OK) | |
241
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
198 goto error; |
243 | 199 |
241
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
200 line = dmSkipWhitespace(line, FALSE); |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
201 } |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
202 |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
203 if (sscanf(line, "%d", &type) != 1) |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
204 { |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
205 dmError("No line type @ '%s'\n", line); |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
206 goto error; |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
207 } |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
208 |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
209 for (vertex = 1; vertex <= nvertices; vertex++) |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
210 { |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
211 DM3DLine line; |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
212 line.v1 = indices[vertex - 1]; |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
213 line.v2 = indices[vertex]; |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
214 line.type = type; |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
215 if (dmAdd3DLineSpriteModelLine(model, &line, NULL) != DMERR_OK) |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
216 goto error; |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
217 } |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
218 |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
219 return TRUE; |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
220 error: |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
221 dmFree(indices); |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
222 return FALSE; |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
223 } |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
224 |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
225 static BOOL dmReadSprite(char *line, DM3DLineSpriteModel *model) |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
226 { |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
227 DMVector pt; |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
228 DM3DSprite spr; |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
229 |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
230 line++; |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
231 if (!dmReadCoordinate(&line, &pt.x, TRUE)) return FALSE; |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
232 if (!dmReadCoordinate(&line, &pt.y, TRUE)) return FALSE; |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
233 if (!dmReadCoordinate(&line, &pt.z, FALSE)) return FALSE; |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
234 line = dmSkipWhitespace(line, FALSE); |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
235 if (*line != 'B') |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
236 { |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
237 dmError("No bitmap definition found for sprite.\n"); |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
238 return FALSE; |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
239 } |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
240 |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
241 spr.bitmap = atoi(line + 1); |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
242 |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
243 if (dmAdd3DLineSpriteModelVertex(model, &pt, &spr.v) != DMERR_OK) |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
244 return FALSE; |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
245 |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
246 if (dmAdd3DLineSpriteModelSprite(model, &spr, NULL) != DMERR_OK) |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
247 return FALSE; |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
248 |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
249 return TRUE; |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
250 } |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
251 |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
252 static BOOL dmReadBitmap(char *line, DM3DLineSpriteModel *model) |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
253 { |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
254 DM3DBitmap bmp, *rbmp; |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
255 int index; |
3bff024a91be
Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
256 |
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257 strncpy(bmp.name, line + 1, sizeof(bmp.name)); |
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258 bmp.img = NULL; |
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259 |
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260 if (dmAdd3DLineSpriteModelBitmap(model, &bmp, &index) != DMERR_OK) |
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261 return FALSE; |
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262 |
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263 rbmp = &(model->bitmaps[index]); |
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264 if (rbmp->img == NULL) |
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265 { |
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266 DMResource *res = dmf_create_stdio(rbmp->name, "rb"); |
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267 if (res == NULL) |
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268 { |
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269 dmError("Could not open resource file '%s'.\n", rbmp->name); |
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270 return FALSE; |
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271 } |
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272 rbmp->img = dmLoadImage(res); |
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273 dmf_close(res); |
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274 if (rbmp->img == NULL) |
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275 { |
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276 dmError("Could not load image file '%s'.\n", rbmp->name); |
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277 return FALSE; |
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278 } |
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279 } |
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280 fprintf(stderr, "loaded '%s': %d: %p\n", rbmp->name, index, rbmp->img); |
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281 return TRUE; |
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282 } |
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283 |
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284 |
245 | 285 int dmRead3DLineSpriteModel(DMResource *f, DM3DLineSpriteModel **model) |
241
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286 { |
243 | 287 DMVector pt; |
241
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288 char line[512]; |
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289 |
245 | 290 if ((*model = dmMalloc0(sizeof(DM3DLineSpriteModel))) == NULL) |
291 return DMERR_MALLOC; | |
241
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292 |
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293 while (dmfgets(line, sizeof(line), f) != NULL) |
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294 { |
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295 char *start = dmSkipWhitespace(line, FALSE); |
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296 switch (*start) |
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297 { |
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298 case 0: |
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299 case '#': |
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300 break; |
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301 |
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302 case 'B': |
245 | 303 if (!dmReadBitmap(start, *model)) |
241
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304 return DMERR_INVALID_DATA; |
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305 break; |
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306 |
243 | 307 case 'P': |
308 start++; | |
309 if (!dmReadCoordinate(&start, &pt.x, TRUE)) return FALSE; | |
310 if (!dmReadCoordinate(&start, &pt.y, TRUE)) return FALSE; | |
311 if (!dmReadCoordinate(&start, &pt.z, FALSE)) return FALSE; | |
312 break; | |
313 | |
241
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314 case 'L': |
245 | 315 if (!dmReadLineSegments(start, *model, FALSE, &pt)) |
243 | 316 return DMERR_INVALID_DATA; |
317 break; | |
318 | |
319 case 'R': | |
245 | 320 if (!dmReadLineSegments(start, *model, TRUE, &pt)) |
241
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321 return DMERR_INVALID_DATA; |
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322 break; |
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323 |
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324 case 'S': |
245 | 325 if (!dmReadSprite(start, *model)) |
241
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326 return DMERR_INVALID_DATA; |
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327 break; |
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328 |
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329 default: |
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330 break; |
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331 } |
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332 } |
245 | 333 return DMERR_OK; |
241
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334 |
245 | 335 |
336 void dmFree3DLineSpriteModel(DM3DLineSpriteModel *model) | |
337 { | |
338 int i; | |
339 for (i = 0; i < model->nbitmaps; i++) | |
340 { | |
341 if (model->bitmaps[i].img != NULL) | |
342 SDL_FreeSurface(model->bitmaps[i].img); | |
343 } | |
344 | |
345 dmFree(model->bitmaps); | |
346 dmFree(model->vertices); | |
347 dmFree(model->lines); | |
348 dmFree(model->sprites); | |
349 dmFree(model); | |
241
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350 } |
245 | 351 } |