From 76d7d478a9e5ad10b76e246367779216fbd0fb60 Mon Sep 17 00:00:00 2001
From: Danny Holman <dholman@gymli.org>
Date: Thu, 22 Aug 2024 21:00:07 -0500
Subject: core: add headers for basic types and export macros

Add header files that contain basic type information as well as export
macros for systems that use a specific export line for linking, e.g.
Windows.

Signed-off-by: Danny Holman <dholman@gymli.org>
---
 include/rune_math.h  | 37 +++++++++++++++++++++++++++++++++++++
 include/rune_types.h | 40 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 77 insertions(+)
 create mode 100644 include/rune_math.h
 create mode 100644 include/rune_types.h

diff --git a/include/rune_math.h b/include/rune_math.h
new file mode 100644
index 0000000..25bf4fd
--- /dev/null
+++ b/include/rune_math.h
@@ -0,0 +1,37 @@
+#ifndef RUNE_MATH_H
+#define RUNE_MATH_H
+
+struct vec2 {
+        float x;
+        float y;
+};
+
+struct vec3 {
+        float x;
+        float y;
+        float z;
+};
+
+struct vec4 {
+        float x;
+        float y;
+        float z;
+        float w;
+};
+
+struct mat3 {
+        struct vec3 v[3];
+};
+
+struct mat4 {
+        struct vec3 v[4];
+};
+
+struct quat {
+        float x;
+        float y;
+        float z;
+        float w;
+};
+
+#endif
diff --git a/include/rune_types.h b/include/rune_types.h
new file mode 100644
index 0000000..8fada14
--- /dev/null
+++ b/include/rune_types.h
@@ -0,0 +1,40 @@
+#ifndef RUNE_TYPES_H
+#define RUNE_TYPES_H
+
+#include <assert.h>
+#include <stdint.h>
+
+#if defined(__clang__) || defined(__gcc__)
+        #define STATIC_ASSERT _Static_assert
+#else
+        #define STATIC_ASSERT static_assert
+#endif
+
+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");
+
+#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
+
+#endif
-- 
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