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66 lines
3.8 KiB
66 lines
3.8 KiB
#pragma once
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#include "primitive_descriptor.h"
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// double node in the tree
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typedef struct _node_t {
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unsigned int non_null : 1; // 0 for null pointer, 1 for non-null nodes
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unsigned int primitive : 1; // 0 for internal node, 1 for primitive node
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unsigned int operate : 2; // 0 for union, 1 for intersection, 2 for difference, 3 for unset
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unsigned int cross : 2; // 0 for no cross, 1 for cross to parent, 2 for cross left child, 3 for cross right child
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unsigned int
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index : 16; // If primitive node, the index to the primitive information, if cross node, the index to the cross node
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unsigned int main_index : 8; // use in cross node
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unsigned int placeholder : 2; // unused
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} node_t;
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typedef struct _primitive_node_t {
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descriptor type;
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void* desc; // Type conversion when using
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} primitive_node_t;
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// almost same as node_t, but has parent's and children's pointers to indicate
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// the hierarchy, and it is outside of the tree
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typedef struct _virtual_node_t {
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unsigned int main_index : 16;
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unsigned int inner_index : 16;
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} virtual_node_t;
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// fixed complete binary tree of 16 layers
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typedef struct _blobtree_t {
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node_t** structure;
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int structure_size;
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primitive_node_t* primitive;
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int primitive_size;
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} blobtree_t;
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EXTERN_C_BEGIN
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API blobtree_t* create_blobtree();
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API void free_blobtree(blobtree_t* blobtree);
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API virtual_node_t blobtree_new_virtual_node_constant(const constant_descriptor_t* desc, blobtree_t* blobtree);
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API virtual_node_t blobtree_new_virtual_node_plane(const plane_descriptor_t* desc, blobtree_t* blobtree);
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API virtual_node_t blobtree_new_virtual_node_sphere(const sphere_descriptor_t* desc, blobtree_t* blobtree);
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API virtual_node_t blobtree_new_virtual_node_cylinder(const cylinder_descriptor_t* desc, blobtree_t* blobtree);
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API virtual_node_t blobtree_new_virtual_node_cone(const cone_descriptor_t* desc, blobtree_t* blobtree);
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API virtual_node_t blobtree_new_virtual_node_box(const box_descriptor_t* desc, blobtree_t* blobtree);
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API virtual_node_t blobtree_new_virtual_node_mesh(const mesh_descriptor_t* desc, blobtree_t* blobtree);
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API virtual_node_t blobtree_new_virtual_node_extrude(const extrude_descriptor_t* desc, blobtree_t* blobtree);
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API void blobtree_free_virtual_node(virtual_node_t* node);
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API bool virtual_node_set_parent(virtual_node_t* node, virtual_node_t* parent, blobtree_t* blobtree);
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API bool virtual_node_set_left_child(virtual_node_t* node, virtual_node_t* child, blobtree_t* blobtree);
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API bool virtual_node_set_right_child(virtual_node_t* node, virtual_node_t* child, blobtree_t* blobtree);
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API bool virtual_node_add_child(virtual_node_t* node, virtual_node_t* child, blobtree_t* blobtree);
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API bool virtual_node_remove_child(virtual_node_t* node, virtual_node_t* child, blobtree_t* blobtree);
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API bool virtual_node_replace_primitive_constant(virtual_node_t* node, const constant_descriptor_t* desc, blobtree_t* blobtree);
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API bool virtual_node_replace_primitive_plane(virtual_node_t* node, const plane_descriptor_t* desc, blobtree_t* blobtree);
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API bool virtual_node_replace_primitive_sphere(virtual_node_t* node, const sphere_descriptor_t* desc, blobtree_t* blobtree);
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API bool virtual_node_replace_primitive_cylinder(virtual_node_t* node, const cylinder_descriptor_t* desc, blobtree_t* blobtree);
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API bool virtual_node_replace_primitive_cone(virtual_node_t* node, const cone_descriptor_t* desc, blobtree_t* blobtree);
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API bool virtual_node_replace_primitive_box(virtual_node_t* node, const box_descriptor_t* desc, blobtree_t* blobtree);
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API bool virtual_node_replace_primitive_mesh(virtual_node_t* node, const mesh_descriptor_t* desc, blobtree_t* blobtree);
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API bool virtual_node_replace_primitive_extrude(virtual_node_t* node, const extrude_descriptor_t* desc, blobtree_t* blobtree);
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EXTERN_C_END
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