Added IVec, setting up level editing

2 files changed, 73 insertions, 0 deletions

diff --git a/source/array/array.cpp b/source/array/array.cpp
new file mode 100644
index 0000000..ac7fd9a
--- /dev/null
+++ b/source/array/array.cpp
@@ -0,0 +1,50 @@
+#include "array.h"
+
+// :r32_array_functions
+void array_init(Arena* a, r32_array* arr, size_t capacity) {
+  arr->buffer = (r32*)arena_alloc(a, capacity*sizeof(r32));
+
+  assert(arr->buffer != NULL);
+
+  arr->size = 0;
+  arr->capacity = capacity;
+}
+
+void array_insert(r32_array* arr, r32* ele, size_t ele_size) {
+  b8 assert_cond = arr->size + ele_size <= arr->capacity;
+  assert(assert_cond);
+
+  void* ptr = &arr->buffer[arr->size];
+  memcpy(ptr, ele, sizeof(r32)*ele_size);
+  arr->size += ele_size;
+}
+
+void array_clear(r32_array* arr) {
+  memset(arr->buffer, 0, sizeof(r32)*arr->capacity);
+  arr->size = 0;
+}
+
+// :u32_array_functions
+void array_init(Arena* a, u32_array* arr, size_t capacity) {
+  arr->buffer = (u32*)arena_alloc(a, capacity*sizeof(r32));
+
+  assert(arr->buffer != NULL);
+
+  arr->size = 0;
+  arr->capacity = capacity;
+}
+
+void array_insert(u32_array* arr, u32* ele, size_t ele_size) {
+  b8 assert_cond = arr->size + ele_size <= arr->capacity;
+  assert(assert_cond);
+
+  void* ptr = &arr->buffer[arr->size];
+  memcpy(ptr, ele, sizeof(u32)*ele_size);
+  arr->size += ele_size;
+}
+
+void array_clear(u32_array* arr) {
+  memset(arr->buffer, 0, sizeof(u32)*arr->capacity);
+  arr->size = 0;
+}
+
diff --git a/source/array/array.h b/source/array/array.h
new file mode 100644
index 0000000..cbe710a
--- /dev/null
+++ b/source/array/array.h
@@ -0,0 +1,23 @@
+#pragma once
+
+struct r32_array {
+  r32 *buffer;
+  size_t size;
+  size_t capacity;
+};
+
+struct u32_array {
+    u32 *buffer;
+    size_t size;
+    size_t capacity;
+};
+
+// @r32_array
+void array_init(Arena* a, r32_array* arr, size_t capacity);
+void array_insert(r32_array* arr, r32* ele, size_t ele_size);
+void array_clear(r32_array* arr);
+
+// @u32_array
+void array_init(Arena* a, u32_array* arr, size_t capacity);
+void array_insert(u32_array* arr, u32* ele, size_t ele_size);
+void array_clear(u32_array* arr);