git.rot13.org Git - simavr/blob - examples/board_reprap/src/c3/c3geometry.c

   1 /*
   2         c3geometry.c
   3
   4         Copyright 2008-2012 Michel Pollet <buserror@gmail.com>
   5
   6         This file is part of simavr.
   7
   8         simavr is free software: you can redistribute it and/or modify
   9         it under the terms of the GNU General Public License as published by
  10         the Free Software Foundation, either version 3 of the License, or
  11         (at your option) any later version.
  12
  13         simavr is distributed in the hope that it will be useful,
  14         but WITHOUT ANY WARRANTY; without even the implied warranty of
  15         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16         GNU General Public License for more details.
  17
  18         You should have received a copy of the GNU General Public License
  19         along with simavr.  If not, see <http://www.gnu.org/licenses/>.
  20  */
  21
  22
  23 #include "c3/c3object.h"
  24 #include "c3/c3context.h"
  25 #include "c3/c3driver_geometry.h"
  26 #include "c3/c3driver_context.h"
  27
  28 static void
  29 _c3geometry_dispose(
  30                 c3geometry_p  g,
  31                 const struct c3driver_geometry_t *d)
  32 {
  33         /*
  34          * If we're still attached to an object, detach
  35          */
  36         if (g->object) {
  37                 for (int oi = 0; oi < g->object->geometry.count; oi++)
  38                         if (g->object->geometry.e[oi] == g) {
  39                                 c3geometry_array_delete(&g->object->geometry, oi, 1);
  40                                 c3object_set_dirty(g->object, true);
  41                                 break;
  42                         }
  43                 g->object = NULL;
  44         }
  45         str_free(g->name);
  46         c3vertex_array_free(&g->vertice);
  47         c3vertex_array_free(&g->projected);
  48         c3tex_array_free(&g->textures);
  49         c3colorf_array_free(&g->colorf);
  50         free(g);
  51 //      C3_DRIVER_INHERITED(g, d, dispose);
  52 }
  53
  54 static void
  55 _c3geometry_prepare(
  56                 c3geometry_p g,
  57                 const struct c3driver_geometry_t *d)
  58 {
  59
  60         if (g->object && g->object->context)
  61                 C3_DRIVER(g->object->context, geometry_prepare, g);
  62         g->dirty = 0;
  63 //      C3_DRIVER_INHERITED(g, d, prepare);
  64 }
  65
  66 static void
  67 _c3geometry_draw(
  68                 c3geometry_p g,
  69                 const struct c3driver_geometry_t *d)
  70 {
  71         if (g->object && g->object->context)
  72                 C3_DRIVER(g->object->context, geometry_draw, g);
  73 //      C3_DRIVER_INHERITED(g, d, draw);
  74 }
  75
  76 const  c3driver_geometry_t c3geometry_driver = {
  77         .dispose = _c3geometry_dispose,
  78         .prepare = _c3geometry_prepare,
  79         .draw = _c3geometry_draw,
  80 };
  81
  82 c3geometry_p
  83 c3geometry_new(
  84                 c3geometry_type_t type,
  85                 c3object_p o /* = NULL */)
  86 {
  87         c3geometry_p res = malloc(sizeof(c3geometry_t));
  88         return c3geometry_init(res, type, o);
  89 }
  90
  91 c3geometry_p
  92 c3geometry_init(
  93                 c3geometry_p g,
  94                 c3geometry_type_t type,
  95                 struct c3object_t * o /* = NULL */)
  96 {
  97         memset(g, 0, sizeof(*g));
  98         static const c3driver_geometry_t * list[] = {
  99                         &c3geometry_driver, NULL,
 100         };
 101         g->driver = list;
 102         g->type = type;
 103         g->dirty = 1;
 104         if (o)
 105                 c3object_add_geometry(o, g);
 106         return g;
 107 }
 108
 109 c3driver_geometry_p
 110 c3geometry_get_custom(
 111                 c3geometry_p g )
 112 {
 113         if (g->custom)
 114                 return (c3driver_geometry_p)g->driver[0];
 115         int cnt = 0;
 116         for (int di = 0; g->driver[di]; di++)
 117                 cnt++;
 118         c3driver_geometry_p * newd = malloc(sizeof(c3driver_geometry_p) * (cnt + 2));
 119         memcpy(&newd[1], g->driver, (cnt + 1) * sizeof(c3driver_geometry_p));
 120         newd[0] = malloc(sizeof(c3driver_geometry_t));
 121         memset(newd[0], 0, sizeof(c3driver_geometry_t));
 122         g->custom = 1;
 123         g->driver = (typeof(g->driver))newd;
 124         return newd[0];
 125 }
 126
 127 void
 128 c3geometry_dispose(
 129                 c3geometry_p g)
 130 {
 131         C3_DRIVER(g, dispose);
 132 }
 133
 134 void
 135 c3geometry_prepare(
 136                 c3geometry_p g )
 137 {
 138         if (!g->dirty)
 139                 return;
 140         C3_DRIVER(g, prepare);
 141 }
 142
 143 void
 144 c3geometry_draw(
 145                 c3geometry_p g )
 146 {
 147         C3_DRIVER(g, draw);
 148 }