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annotate dmq3d.c @ 241:3bff024a91be

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Move 3D line/sprite renderer to separate module.
author Matti Hamalainen <ccr@tnsp.org>
date Tue, 09 Oct 2012 13:02:55 +0300
parents
children a9d500e5698d
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241
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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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119
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120 for (i = 0; i < model->nsprites; i++)
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121 {
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122 DM3DSprite *sprite = &model->sprites[i];
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123 DM3DBitmap *bmp = &model->bitmaps[sprite->bitmap];
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124 DMVector pv, pt;
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125 dm_vector_add_r(&pt, &model->vertices[sprite->v], pos);
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126 dm_vector_mul_by_mat(&pv, &pt, mat);
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127 dmUnscaledBlitSurface32to32Transparent(bmp->img, dmPX(pv), dmPY(pv), screen);
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128 }
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129 }
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130
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131
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132 static char *dmSkipWhitespace(char *line, BOOL invert)
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diff changeset
133 {
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
134 if (invert)
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
135 for (; *line && !isspace(*line); line++);
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
136 else
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
137 for (; *line && isspace(*line); line++);
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
138 return line;
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
139 }
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
140
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
141
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
142 static char *dmSkipUntil(char *line, char ch)
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
143 {
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
144 for (; *line && *line != ch; line++);
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
145 return line;
3bff024a91be 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
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
148
3bff024a91be 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)
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
150 {
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
151 *line = dmSkipWhitespace(*line, FALSE);
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
152 if (sscanf(*line, "%f", value) != 1) return FALSE;
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
153 if (next)
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
154 {
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
155 *line = dmSkipUntil(*line, ',');
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
156 if (**line != ',') return FALSE;
3bff024a91be 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);
3bff024a91be 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;
3bff024a91be 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
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
165 static BOOL dmReadLineSegments(char *line, DM3DLineSpriteModel *model)
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);
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
179 for (vertex = 0; vertex <= nvertices; vertex++)
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
180 {
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
181 DMVector p;
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
182 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
183 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
184 if (!dmReadCoordinate(&line, &p.z, FALSE)) return FALSE;
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
185 if (dmAdd3DLineSpriteModelVertex(model, &p, &indices[vertex]) != DMERR_OK)
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
186 goto error;
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
187 line = dmSkipWhitespace(line, FALSE);
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
188 }
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
189
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
190 if (sscanf(line, "%d", &type) != 1)
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
191 {
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
192 dmError("No line type @ '%s'\n", line);
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
193 goto error;
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
194 }
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
195
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
196 for (vertex = 1; vertex <= nvertices; vertex++)
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
197 {
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
198 DM3DLine line;
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
199 line.v1 = indices[vertex - 1];
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
200 line.v2 = indices[vertex];
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
201 line.type = type;
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
202 if (dmAdd3DLineSpriteModelLine(model, &line, NULL) != DMERR_OK)
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
203 goto error;
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
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
206 return TRUE;
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
207 error:
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
208 dmFree(indices);
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
209 return FALSE;
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
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
212 static BOOL dmReadSprite(char *line, DM3DLineSpriteModel *model)
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
213 {
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
214 DMVector pt;
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
215 DM3DSprite spr;
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
216
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
217 line++;
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
218 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
219 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
220 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
221 line = dmSkipWhitespace(line, FALSE);
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
222 if (*line != 'B')
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 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
225 return FALSE;
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
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
228 spr.bitmap = atoi(line + 1);
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 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
231 return FALSE;
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
232
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
233 if (dmAdd3DLineSpriteModelSprite(model, &spr, NULL) != DMERR_OK)
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
234 return FALSE;
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
235
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
236 return TRUE;
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
237 }
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
238
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
239 static BOOL dmReadBitmap(char *line, DM3DLineSpriteModel *model)
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 DM3DBitmap bmp, *rbmp;
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
242 int index;
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
243
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
244 strncpy(bmp.name, line + 1, sizeof(bmp.name));
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
245 bmp.img = NULL;
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
246
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
247 if (dmAdd3DLineSpriteModelBitmap(model, &bmp, &index) != DMERR_OK)
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
248 return FALSE;
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
249
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
250 rbmp = &(model->bitmaps[index]);
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
251 if (rbmp->img == NULL)
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
252 {
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
253 DMResource *res = dmf_create_stdio(rbmp->name, "rb");
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
254 if (res == NULL)
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
255 {
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
256 dmError("Could not open resource file '%s'.\n", rbmp->name);
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
257 return FALSE;
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
258 }
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
259 rbmp->img = dmLoadImage(res);
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
260 dmf_close(res);
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
261 if (rbmp->img == NULL)
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
262 {
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
263 dmError("Could not load image file '%s'.\n", rbmp->name);
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
264 return FALSE;
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
265 }
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
266 }
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
267 fprintf(stderr, "loaded '%s': %d: %p\n", rbmp->name, index, rbmp->img);
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
268 return TRUE;
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
269 }
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
270
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
271
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
272 int dmRead3DLineSpriteModel(DMResource *f, DM3DLineSpriteModel *model)
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
273 {
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
274 char line[512];
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
275
3bff024a91be Move 3D line/sprite renderer to separate module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
276 memset(model, 0, sizeof(*model));
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277
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278 while (dmfgets(line, sizeof(line), f) != NULL)
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279 {
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280 char *start = dmSkipWhitespace(line, FALSE);
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281 switch (*start)
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282 {
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283 case 0:
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284 case '#':
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285 break;
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286
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287 case 'B':
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288 if (!dmReadBitmap(start, model))
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289 return DMERR_INVALID_DATA;
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290 break;
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291
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292 case 'L':
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293 if (!dmReadLineSegments(start, model))
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294 return DMERR_INVALID_DATA;
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295 break;
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296
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297 case 'S':
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298 if (!dmReadSprite(start, model))
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299 return DMERR_INVALID_DATA;
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300 break;
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301
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302 default:
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303 break;
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304 }
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305 }
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306
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307 return DMERR_OK;
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308 }