diff options
Diffstat (limited to 'dimension')
| -rw-r--r-- | dimension/realize.c | 43 |
1 files changed, 21 insertions, 22 deletions
diff --git a/dimension/realize.c b/dimension/realize.c index 85a4f5a..5ba4c8b 100644 --- a/dimension/realize.c +++ b/dimension/realize.c @@ -342,20 +342,14 @@ dmnsn_realize_camera(dmnsn_astnode astnode) return camera; } -static dmnsn_object * -dmnsn_realize_pigment(dmnsn_astnode astnode, dmnsn_object *object) +static dmnsn_pigment * +dmnsn_realize_pigment(dmnsn_astnode astnode) { if (astnode.type != DMNSN_AST_PIGMENT) { dmnsn_error(DMNSN_SEVERITY_HIGH, "Expected a pigment."); } - if (!object->texture) { - object->texture = dmnsn_new_texture(); - if (!object->texture) { - dmnsn_error(DMNSN_SEVERITY_HIGH, "Couldn't create texture."); - } - } - dmnsn_delete_pigment(object->texture->pigment); + dmnsn_pigment *pigment = NULL; dmnsn_astnode color_node; dmnsn_array_get(astnode.children, 0, &color_node); @@ -367,8 +361,8 @@ dmnsn_realize_pigment(dmnsn_astnode astnode, dmnsn_object *object) case DMNSN_AST_COLOR: color = dmnsn_realize_color(color_node); - object->texture->pigment = dmnsn_new_solid_pigment(color); - if (!object->texture->pigment) { + pigment = dmnsn_new_solid_pigment(color); + if (!pigment) { dmnsn_error(DMNSN_SEVERITY_HIGH, "Couldn't create pigment."); } break; @@ -377,16 +371,21 @@ dmnsn_realize_pigment(dmnsn_astnode astnode, dmnsn_object *object) dmnsn_error(DMNSN_SEVERITY_HIGH, "Invalid pigment color."); } - return object; + return pigment; } -static dmnsn_object * -dmnsn_realize_texture(dmnsn_astnode astnode, dmnsn_object *object) +static dmnsn_texture * +dmnsn_realize_texture(dmnsn_astnode astnode) { if (astnode.type != DMNSN_AST_TEXTURE) { dmnsn_error(DMNSN_SEVERITY_HIGH, "Expected a texture."); } + dmnsn_texture *texture = dmnsn_new_texture(); + if (!texture) { + dmnsn_error(DMNSN_SEVERITY_HIGH, "Couldn't allocate texture."); + } + unsigned int i; for (i = 0; i < dmnsn_array_size(astnode.children); ++i) { dmnsn_astnode modifier; @@ -394,7 +393,8 @@ dmnsn_realize_texture(dmnsn_astnode astnode, dmnsn_object *object) switch (modifier.type) { case DMNSN_AST_PIGMENT: - object = dmnsn_realize_pigment(modifier, object); + dmnsn_delete_pigment(texture->pigment); + texture->pigment = dmnsn_realize_pigment(modifier); break; default: @@ -402,10 +402,10 @@ dmnsn_realize_texture(dmnsn_astnode astnode, dmnsn_object *object) } } - return object; + return texture; } -static dmnsn_object * +static void dmnsn_realize_object_modifiers(dmnsn_astnode astnode, dmnsn_object *object) { if (astnode.type != DMNSN_AST_OBJECT_MODIFIERS) { @@ -438,15 +438,14 @@ dmnsn_realize_object_modifiers(dmnsn_astnode astnode, dmnsn_object *object) break; case DMNSN_AST_TEXTURE: - object = dmnsn_realize_texture(modifier, object); + dmnsn_delete_texture(object->texture); + object->texture = dmnsn_realize_texture(modifier); break; default: dmnsn_error(DMNSN_SEVERITY_HIGH, "Invalid object modifier."); } } - - return object; } static dmnsn_object * @@ -482,7 +481,7 @@ dmnsn_realize_box(dmnsn_astnode astnode) dmnsn_astnode modifiers; dmnsn_array_get(astnode.children, 2, &modifiers); - box = dmnsn_realize_object_modifiers(modifiers, box); + dmnsn_realize_object_modifiers(modifiers, box); return box; } @@ -533,7 +532,7 @@ dmnsn_realize_sphere(dmnsn_astnode astnode) dmnsn_astnode modifiers; dmnsn_array_get(astnode.children, 2, &modifiers); - sphere = dmnsn_realize_object_modifiers(modifiers, sphere); + dmnsn_realize_object_modifiers(modifiers, sphere); return sphere; } |