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authormattkae <mattkae@protonmail.com>2022-05-01 21:44:04 -0400
committermattkae <mattkae@protonmail.com>2022-05-01 21:44:04 -0400
commit40a924db3664318615a9a3f11ee25c206cb77fe1 (patch)
tree3e4aacb8ea6c1f5fc6aea25dc6f7df489ea6d3dd /themes/List.h
parentdfc387644939aada1edb69f8f730e62f116f1ae3 (diff)
Renderer3d basics
Diffstat (limited to 'themes/List.h')
-rw-r--r--themes/List.h222
1 files changed, 0 insertions, 222 deletions
diff --git a/themes/List.h b/themes/List.h
deleted file mode 100644
index 00a466a..0000000
--- a/themes/List.h
+++ /dev/null
@@ -1,222 +0,0 @@
-#pragma once
-#include <cstdlib>
-#include <cstring>
-#include "Logger.h"
-
-#define FOREACH(list) \
- for (size_t idx = 0; idx < list.numElements; idx++) \
- if (auto value = list.getValue(idx)) \
-
-
-template <typename T>
-struct List {
- T* data = nullptr;
- size_t capacity = 0;
- size_t numElements = 0;
- bool growDynamically = true;
-
- void allocate(size_t size);
- void add(T* element);
- void add(T& element);
- void add(T&& element);
- bool grow(size_t newSize);
- void set(T* value, size_t index);
- void remove(size_t index);
- void clear();
- void deallocate();
- bool isEmpty() {
- return data == nullptr || numElements == 0;
- }
- T* getValue(int index) const;
- T& operator[](int idx) const;
- void binarySort(int (*f)(T *first, T* second));
- void setFromArray(T* arry, int size) {
- allocate(size);
- memcpy(data, arry, size * sizeof(T));
- numElements = size;
- }
- void remove(int index) {
- if (index >= numElements) {
- logger_error("Cannot remove element at index: %d", index);
- return;
- }
-
-
- if (index == numElements - 1) {
- numElements--;
- return;
- }
-
- memmove(data[index], data[index + 1], sizeof(T) * (numElements - index));
- numElements--;
- }
-};
-
-template <typename T>
-void List<T>::allocate(size_t size) {
- if (size == 0 || size == capacity) {
- numElements = 0;
- return;
- }
-
- if (data != nullptr) {
- deallocate();
- }
-
- data = static_cast<T*>(malloc(sizeof(T) * size));
- capacity = size;
- numElements = 0;
-}
-
-template <typename T>
-bool List<T>::grow(size_t newSize) {
- if (!growDynamically) {
- return false;
- }
-
- if (newSize == 0) {
- return false;
- }
-
- T* newData = static_cast<T*>(malloc(sizeof(T) * newSize));
-
- if (data != nullptr) {
- memcpy(newData, data, numElements * sizeof(T));
- delete data;
- }
-
- data = newData;
- capacity = newSize;
- return true;
-}
-
-template <typename T>
-void List<T>::set(T* value, size_t index) {
- if (index >= capacity && !grow(index * 2)) {
- return;
- }
-
- memcpy(&data[index], value, sizeof(T));
-}
-
-template <typename T>
-void List<T>::add(T* element) {
- if (data == nullptr) {
- allocate(2);
- }
-
- if (element == nullptr) {
- logger_error("Element not defined");
- return;
- }
-
- size_t newNumElements = numElements + 1;
- if (newNumElements > capacity) {
- if (!grow(2 * capacity)) {
- logger_error("Trying to add to list but unable to grow the array");
- return;
- }
- }
-
- memcpy(&data[numElements], element, sizeof(T));
- numElements = newNumElements;
-}
-
-template <typename T>
-void List<T>::add(T& element) {
- if (data == nullptr) {
- allocate(2);
- }
-
- size_t newNumElements = numElements + 1;
- if (newNumElements > capacity) {
- if (!grow(2 * capacity)) {
- logger_error("Trying to add to list but unable to grow the array");
- return;
- }
- }
-
- memcpy(&data[numElements], &element, sizeof(T));
- numElements = newNumElements;
-}
-
-template <typename T>
-void List<T>::add(T&& element) {
- if (data == nullptr) {
- allocate(2);
- }
-
- size_t newNumElements = numElements + 1;
- if (newNumElements > capacity) {
- if (!grow(2 * capacity)) {
- logger_error("Trying to add to list but unable to grow the array");
- return;
- }
- }
-
- memcpy(&data[numElements], &element, sizeof(T));
- numElements = newNumElements;
-}
-
-template <typename T>
-void List<T>::remove(size_t idx) {
- if (idx >= numElements) {
- logger_error("Index is outside of the list: %d >= %d", idx, numElements);
- return;
- }
-
- for (; idx < numElements - 1; idx++) {
- data[idx] = data[idx + 1];
- }
-
- numElements--;
-}
-
-template <typename T>
-void List<T>::deallocate() {
- if (data != nullptr) {
- free(data);
- data = nullptr;
- }
-
- capacity = 0;
- numElements = 0;
-}
-
-template <typename T>
-void List<T>::clear() {
- numElements = 0;
-}
-
-template <typename T>
-T* List<T>::getValue(int idx) const {
- return &data[idx];
-}
-
-template <typename T>
-T& List<T>::operator[](int idx) const {
- return data[idx];
-}
-
-template <typename T>
-void List<T>::binarySort(int (*f)(T *first, T* second)) {
- if (data == nullptr) {
- return;
- }
-
- for (size_t idx = 0; idx < numElements - 1; idx++) {
- int minIdx = idx;
- T firstValue = data[idx];
-
- for (int innerIdx = idx + 1; innerIdx < numElements; innerIdx++) {\
- T secondValue = data[innerIdx];
- if (f(&firstValue, &secondValue) > 0) {
- minIdx= innerIdx;
- }
- }
-
- T temp = data[minIdx];
- memmove(&data[minIdx], &data[idx], sizeof(T));
- memmove(&data[idx], &temp, sizeof(T));
- }
-}