diff options
Diffstat (limited to 'dimension/realize.c')
| -rw-r--r-- | dimension/realize.c | 144 |
1 files changed, 103 insertions, 41 deletions
diff --git a/dimension/realize.c b/dimension/realize.c index ddccf89..56bd846 100644 --- a/dimension/realize.c +++ b/dimension/realize.c @@ -263,6 +263,39 @@ dmnsn_realize_global_settings(dmnsn_astnode astnode, dmnsn_scene *scene) } } +static dmnsn_pigment *dmnsn_realize_pigment(dmnsn_astnode astnode); + +static dmnsn_sky_sphere * +dmnsn_realize_sky_sphere(dmnsn_astnode astnode) +{ + dmnsn_assert(astnode.type == DMNSN_AST_SKY_SPHERE, "Expected a sky sphere."); + + dmnsn_sky_sphere *sky_sphere = dmnsn_new_sky_sphere(); + + DMNSN_ARRAY_FOREACH (dmnsn_astnode *, item, astnode.children) { + switch (item->type) { + case DMNSN_AST_PIGMENT: + { + dmnsn_pigment *pigment = dmnsn_realize_pigment(*item); + dmnsn_array_push(sky_sphere->pigments, &pigment); + break; + } + + case DMNSN_AST_TRANSFORMATION: + sky_sphere->trans = dmnsn_matrix_mul( + dmnsn_realize_transformation(*item), + sky_sphere->trans + ); + break; + + default: + dmnsn_assert(false, "Invalid sky sphere item."); + } + } + + return sky_sphere; +} + static dmnsn_camera * dmnsn_realize_camera(dmnsn_astnode astnode) { @@ -521,6 +554,49 @@ dmnsn_realize_color_map(dmnsn_astnode astnode) return color_map; } +static dmnsn_map * +dmnsn_realize_pigment_list(dmnsn_astnode astnode) +{ + dmnsn_assert(astnode.type == DMNSN_AST_PIGMENT_LIST, + "Expected a pigment list."); + + dmnsn_map *pigment_map = dmnsn_new_pigment_map(); + + double n = 0.0, i = 1.0/(dmnsn_array_size(astnode.children) - 1); + DMNSN_ARRAY_FOREACH (dmnsn_astnode *, entry, astnode.children) { + dmnsn_pigment *pigment = dmnsn_realize_pigment(*entry); + dmnsn_add_map_entry(pigment_map, n, &pigment); + n += i; + } + + return pigment_map; +} + +static dmnsn_map * +dmnsn_realize_pigment_map(dmnsn_astnode astnode) +{ + dmnsn_assert(astnode.type == DMNSN_AST_PIGMENT_MAP, + "Expected a pigment_map."); + + dmnsn_map *pigment_map = dmnsn_new_pigment_map(); + + DMNSN_ARRAY_FOREACH (dmnsn_astnode *, entry, astnode.children) { + dmnsn_assert(entry->type == DMNSN_AST_PIGMENT_MAP_ENTRY, + "Expected a pigment_map entry."); + + dmnsn_astnode n_node, pigment_node; + dmnsn_array_get(entry->children, 0, &n_node); + dmnsn_array_get(entry->children, 1, &pigment_node); + + double n = dmnsn_realize_float(n_node); + dmnsn_pigment *pigment = dmnsn_realize_pigment(pigment_node); + + dmnsn_add_map_entry(pigment_map, n, &pigment); + } + + return pigment_map; +} + static dmnsn_pigment * dmnsn_realize_pattern_pigment(dmnsn_astnode type, dmnsn_astnode modifiers) { @@ -528,9 +604,9 @@ dmnsn_realize_pattern_pigment(dmnsn_astnode type, dmnsn_astnode modifiers) "Expected pigment modifiers"); dmnsn_pattern *pattern = dmnsn_realize_pattern(type); - dmnsn_map *color_map = NULL; + dmnsn_map *color_map = NULL, *pigment_map = NULL; - /* Set up the color_map */ + /* Set up the map */ DMNSN_ARRAY_FOREACH_REVERSE (dmnsn_astnode *, modifier, modifiers.children) { switch (modifier->type) { case DMNSN_AST_COLOR_LIST: @@ -540,11 +616,18 @@ dmnsn_realize_pattern_pigment(dmnsn_astnode type, dmnsn_astnode modifiers) color_map = dmnsn_realize_color_map(*modifier); break; + case DMNSN_AST_PIGMENT_LIST: + pigment_map = dmnsn_realize_pigment_list(*modifier); + break; + case DMNSN_AST_PIGMENT_MAP: + pigment_map = dmnsn_realize_pigment_map(*modifier); + break; + default: break; } - if (color_map) + if (color_map || pigment_map) break; } @@ -556,17 +639,18 @@ dmnsn_realize_pattern_pigment(dmnsn_astnode type, dmnsn_astnode modifiers) switch (pattern_type.type) { case DMNSN_AST_CHECKER: /* Default checker pattern is blue and green */ - if (!color_map) + if (!color_map && !pigment_map) { color_map = dmnsn_new_color_map(); - if (dmnsn_map_size(color_map) < 1) - dmnsn_add_map_entry(color_map, 0.0, &dmnsn_blue); - if (dmnsn_map_size(color_map) < 2) - dmnsn_add_map_entry(color_map, 1.0, &dmnsn_green); + if (dmnsn_map_size(color_map) < 1) + dmnsn_add_map_entry(color_map, 0.0, &dmnsn_blue); + if (dmnsn_map_size(color_map) < 2) + dmnsn_add_map_entry(color_map, 1.0, &dmnsn_green); + } break; default: /* Default map is grayscale */ - if (!color_map) { + if (!color_map && !pigment_map) { color_map = dmnsn_new_color_map(); dmnsn_add_map_entry(color_map, 0.0, &dmnsn_black); dmnsn_add_map_entry(color_map, 1.0, &dmnsn_white); @@ -574,7 +658,14 @@ dmnsn_realize_pattern_pigment(dmnsn_astnode type, dmnsn_astnode modifiers) break; } - dmnsn_pigment *pigment = dmnsn_new_color_map_pigment(pattern, color_map); + dmnsn_pigment *pigment = NULL; + if (color_map) { + pigment = dmnsn_new_color_map_pigment(pattern, color_map); + } else if (pigment_map) { + pigment = dmnsn_new_pigment_map_pigment(pattern, pigment_map); + } else { + dmnsn_assert(false, "No appropriate map constructed."); + } return pigment; } @@ -603,6 +694,8 @@ dmnsn_realize_pigment_modifiers(dmnsn_astnode astnode, dmnsn_pigment *pigment) case DMNSN_AST_COLOR_LIST: case DMNSN_AST_COLOR_MAP: + case DMNSN_AST_PIGMENT_LIST: + case DMNSN_AST_PIGMENT_MAP: /* Already handled by dmnsn_realize_pattern_pigment() */ break; @@ -680,37 +773,6 @@ dmnsn_realize_pigment(dmnsn_astnode astnode) return pigment; } -static dmnsn_sky_sphere * -dmnsn_realize_sky_sphere(dmnsn_astnode astnode) -{ - dmnsn_assert(astnode.type == DMNSN_AST_SKY_SPHERE, "Expected a sky sphere."); - - dmnsn_sky_sphere *sky_sphere = dmnsn_new_sky_sphere(); - - DMNSN_ARRAY_FOREACH (dmnsn_astnode *, item, astnode.children) { - switch (item->type) { - case DMNSN_AST_PIGMENT: - { - dmnsn_pigment *pigment = dmnsn_realize_pigment(*item); - dmnsn_array_push(sky_sphere->pigments, &pigment); - break; - } - - case DMNSN_AST_TRANSFORMATION: - sky_sphere->trans = dmnsn_matrix_mul( - dmnsn_realize_transformation(*item), - sky_sphere->trans - ); - break; - - default: - dmnsn_assert(false, "Invalid sky sphere item."); - } - } - - return sky_sphere; -} - static dmnsn_finish * dmnsn_realize_reflection(dmnsn_astnode astnode) { |