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84 lines
2.7 KiB
84 lines
2.7 KiB
#include <stdbool.h>
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#include "clickable_hierarchy.h"
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void Clicky_Clickable_Hierarchy_Render(Clickable_Hierarchy* ch, SDL_Renderer* r) {
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for(int i = 0; i < ch->num_children; i++) {
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Clickable_Hierarchy_Element* elem = (ch->children)+i;
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//Render the clickable.
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if(elem->clickable->drawFunc != NULL) {
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elem->clickable->drawFunc(elem->clickable, r);
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}
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if(elem->subtree != NULL) {
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Clicky_Clickable_Hierarchy_Render(elem->subtree, r);
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}
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}
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}
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//True if a clickable was activated, false otherwise.
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bool Clicky_Clickable_Hierarchy_Click(Clickable_Hierarchy* ch, int x, int y) {
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//printf("Call_ Click_Clickable_Hierarchy_Click\n Params: %p, %d, %d\n", ch, x, y);
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//printf(" #children: %d, #children slots: %d, children: %p\n", ch->num_children, ch->num_children_slots, ch->children);
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bool retval = false;
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for(int i = 0; i < ch->num_children; i++) {
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Clickable_Hierarchy_Element* elem = (ch->children)+i;
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if(elem->subtree != NULL) { //If it is a container, first attempt its children.
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bool innerclick = Clicky_Clickable_Hierarchy_Click(elem->subtree, x, y);
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if(!innerclick) { //Didn't hit anything inside the clickable, propagate to the clickable itself.
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retval = Clicky_ClickClickable((void*)(elem->clickable), x, y);
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if(retval) {break;}
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}
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} else {
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retval = Clicky_ClickClickable((void*)(elem->clickable), x, y);
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if(retval) {break;}
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}
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}
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return retval;
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}
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int Clicky_Clickable_Hierarchy_Add_Clickable(Clickable_Hierarchy* ch, Clickable* cl) {
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//printf("Hierarchy: %p, Clickable: %p\n", ch, cl);
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//printf(" #children: %d, #children slots: %d, children: %p\n", ch->num_children, ch->num_children_slots, ch->children);
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if(ch->num_children >= ch->num_children_slots) {
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return 1;
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}
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//printf("%p, %p\n", ch->children, ch->children+1);
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Clickable_Hierarchy_Element *elem = (ch->children+ch->num_children);
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//printf("Element pointer: %p\n", elem);
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elem->clickable = cl;
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elem->subtree = NULL;
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ch->num_children++;
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return 0;
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}
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Clickable_Hierarchy* Clicky_Clickable_Hierarchy_Add_Subtree(Clickable_Hierarchy* ch, Clickable* cl, int num_children) {
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if(ch->num_children >= ch->num_children_slots) {
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return NULL;
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}
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Clickable_Hierarchy_Element *elem = (ch->children+ch->num_children);
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//printf("Element pointer: %p\n", elem);
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elem->clickable = cl;
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Clickable_Hierarchy* sh = (Clickable_Hierarchy*) malloc(sizeof(Clickable_Hierarchy));
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sh->num_children = 0;
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sh->num_children_slots = num_children;
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sh->children = (Clickable_Hierarchy_Element*) malloc(sizeof(Clickable_Hierarchy_Element)*num_children);
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elem->subtree = sh;
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ch->num_children++;
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return sh;
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}
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