diff options
Diffstat (limited to 'include/rune/util')
-rw-r--r-- | include/rune/util/list.h | 53 | ||||
-rw-r--r-- | include/rune/util/types.h | 40 | ||||
-rw-r--r-- | include/rune/util/util.h | 54 |
3 files changed, 147 insertions, 0 deletions
diff --git a/include/rune/util/list.h b/include/rune/util/list.h new file mode 100644 index 0000000..ed6db5e --- /dev/null +++ b/include/rune/util/list.h @@ -0,0 +1,53 @@ +/* + * Rune Game Engine + * Copyright 2024 Danny Holman <dholman@gymli.org> + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * 3. This notice may not be removed or altered from any source distribution. + */ + +#ifndef RUNE_UTIL_LIST_H +#define RUNE_UTIL_LIST_H + +#include <stddef.h> + +RAPI struct list_head { + struct list_head *next; + struct list_head *prev; +}; + +RAPI static inline void list_add(struct list_head *new, struct list_head *head) { + struct list_head *temp = head; + while (temp->next != NULL) + temp = temp->next; + + temp->next = new; + new->prev = temp; + new->next = NULL; +} + +RAPI static inline void list_del(struct list_head *item) { + struct list_head *next = item->next; + struct list_head *prev = item->prev; + if (next != NULL) + next->prev = prev; + if (prev != NULL) + prev->next = next; + item->next = NULL; + item->prev = NULL; +} + +#endif diff --git a/include/rune/util/types.h b/include/rune/util/types.h new file mode 100644 index 0000000..ac92ecb --- /dev/null +++ b/include/rune/util/types.h @@ -0,0 +1,40 @@ +/* + * Rune Game Engine + * Copyright 2024 Danny Holman <dholman@gymli.org> + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * 3. This notice may not be removed or altered from any source distribution. + */ + +#ifndef RUNE_UTIL_TYPES_H +#define RUNE_UTIL_TYPES_H + +#include <rune/util/util.h> + +STATIC_ASSERT(sizeof(uint8_t) == 1, "Expected uint8_t to be 1 byte"); +STATIC_ASSERT(sizeof(uint16_t) == 2, "Expected uint16_t to be 2 bytes"); +STATIC_ASSERT(sizeof(uint32_t) == 4, "Expected uint32_t to be 4 bytes"); +STATIC_ASSERT(sizeof(uint64_t) == 8, "Expected uint64_t to be 8 bytes"); + +STATIC_ASSERT(sizeof(int8_t) == 1, "Expected int8_t to be 1 byte"); +STATIC_ASSERT(sizeof(int16_t) == 2, "Expected int16_t to be 2 bytes"); +STATIC_ASSERT(sizeof(int32_t) == 4, "Expected int32_t to be 4 bytes"); +STATIC_ASSERT(sizeof(int64_t) == 8, "Expected int64_t to be 8 bytes"); + +STATIC_ASSERT(sizeof(float) == 4, "Expected float to be 4 bytes"); +STATIC_ASSERT(sizeof(double) == 8, "Expected double to be 8 bytes"); + +#endif diff --git a/include/rune/util/util.h b/include/rune/util/util.h new file mode 100644 index 0000000..dcf45e4 --- /dev/null +++ b/include/rune/util/util.h @@ -0,0 +1,54 @@ +/* + * Rune Game Engine + * Copyright 2024 Danny Holman <dholman@gymli.org> + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * 3. This notice may not be removed or altered from any source distribution. + */ + +#ifndef RUNE_UTIL_UTIL_H +#define RUNE_UTIL_UTIL_H + +#include <assert.h> +#include <stdint.h> + +#if defined(__clang__) || defined(__gcc__) + #define STATIC_ASSERT _Static_assert +#else + #define STATIC_ASSERT static_assert +#endif + + +#ifdef REXPORT + #ifdef _MSC_VER + #define RAPI __declspec(dllexport) + #else + #define RAPI __attribute__((visibility("default"))) + #endif +#else + #ifdef _MSC_VER + #define RAPI __declspec(dllexport) + #else + #define RAPI + #endif +#endif + +static inline uint32_t clamp(uint32_t value, float min, float max) { + const uint32_t ret = value < min ? min : value; + return ret > max ? max : ret; +} + +#endif |