add keyboard input

4 files changed, 304 insertions, 2 deletions

diff --git a/include/common.h b/include/common.h
index 8c1f976..e76d53c 100644
--- a/include/common.h
+++ b/include/common.h
@@ -14,4 +14,6 @@
 
 #include "stb_image.h"
 
+typedef GLFWwindow* honey_window;
+
 #endif
diff --git a/include/honey.h b/include/honey.h
index 3dbc5ab..ccbaf8f 100644
--- a/include/honey.h
+++ b/include/honey.h
@@ -8,13 +8,12 @@
 
 #include "camera.h"
 #include "common.h"
+#include "input.h"
 #include "mesh.h"
 #include "primitives.h"
 #include "shader.h"
 #include "texture.h"
 
-typedef GLFWwindow* honey_window;
-
 /** @brief Initialize Honey.
  *
  * @param[in] screen_width The desired width of the screen in pixels
diff --git a/include/input.h b/include/input.h
new file mode 100644
index 0000000..6482f1f
--- /dev/null
+++ b/include/input.h
@@ -0,0 +1,180 @@
+#ifndef HONEY_INPUT_H
+#define HONEY_INPUT_H
+
+/** @file input.h
+ *
+ * @brief Wrap GLFW input functions for honey.
+ */
+
+#include "common.h"
+
+#define HONEY_KEY_UNKNOWN 0
+#define HONEY_KEY_SPACE 1
+#define HONEY_KEY_APOSTROPHE 2
+#define HONEY_KEY_COMMA 3
+#define HONEY_KEY_MINUS 4
+#define HONEY_KEY_PERIOD 5
+#define HONEY_KEY_SLASH 6
+#define HONEY_KEY_0 7
+#define HONEY_KEY_1 8
+#define HONEY_KEY_2 9
+#define HONEY_KEY_3 10
+#define HONEY_KEY_4 11
+#define HONEY_KEY_5 12
+#define HONEY_KEY_6 13
+#define HONEY_KEY_7 14
+#define HONEY_KEY_8 15
+#define HONEY_KEY_9 16
+#define HONEY_KEY_SEMICOLON 17
+#define HONEY_KEY_EQUAL 18
+#define HONEY_KEY_A 19
+#define HONEY_KEY_B 20
+#define HONEY_KEY_C 21
+#define HONEY_KEY_D 22
+#define HONEY_KEY_E 23
+#define HONEY_KEY_F 24
+#define HONEY_KEY_G 25
+#define HONEY_KEY_H 26
+#define HONEY_KEY_I 27
+#define HONEY_KEY_J 28
+#define HONEY_KEY_K 29
+#define HONEY_KEY_L 30
+#define HONEY_KEY_M 31
+#define HONEY_KEY_N 32
+#define HONEY_KEY_O 33
+#define HONEY_KEY_P 34
+#define HONEY_KEY_Q 35
+#define HONEY_KEY_R 36
+#define HONEY_KEY_S 37
+#define HONEY_KEY_T 38
+#define HONEY_KEY_U 39
+#define HONEY_KEY_V 40
+#define HONEY_KEY_W 41
+#define HONEY_KEY_X 42
+#define HONEY_KEY_Y 43
+#define HONEY_KEY_Z 44
+#define HONEY_KEY_LEFT_BRACKET 45
+#define HONEY_KEY_BACKSLASH 46
+#define HONEY_KEY_RIGHT_BRACKET 47
+#define HONEY_KEY_GRAVE_ACCENT 48
+#define HONEY_KEY_WORLD_1 49
+#define HONEY_KEY_WORLD_2 50
+#define HONEY_KEY_ESCAPE 51
+#define HONEY_KEY_ENTER 52
+#define HONEY_KEY_TAB 53
+#define HONEY_KEY_BACKSPACE 54
+#define HONEY_KEY_INSERT 55
+#define HONEY_KEY_DELETE 56
+#define HONEY_KEY_RIGHT 57
+#define HONEY_KEY_LEFT 58
+#define HONEY_KEY_DOWN 59
+#define HONEY_KEY_UP 60
+#define HONEY_KEY_PAGE_UP 61
+#define HONEY_KEY_PAGE_DOWN 62
+#define HONEY_KEY_HOME 63
+#define HONEY_KEY_END 64
+#define HONEY_KEY_CAPS_LOCK 65
+#define HONEY_KEY_SCROLL_LOCK 66
+#define HONEY_KEY_NUM_LOCK 67
+#define HONEY_KEY_PRINT_SCREEN 68
+#define HONEY_KEY_PAUSE 69
+#define HONEY_KEY_F1 70
+#define HONEY_KEY_F2 71
+#define HONEY_KEY_F3 72
+#define HONEY_KEY_F4 73
+#define HONEY_KEY_F5 74
+#define HONEY_KEY_F6 75
+#define HONEY_KEY_F7 76
+#define HONEY_KEY_F8 77
+#define HONEY_KEY_F9 78
+#define HONEY_KEY_F10 79
+#define HONEY_KEY_F11 80
+#define HONEY_KEY_F12 81
+#define HONEY_KEY_F13 82
+#define HONEY_KEY_F14 83
+#define HONEY_KEY_F15 84
+#define HONEY_KEY_F16 85
+#define HONEY_KEY_F17 86
+#define HONEY_KEY_F18 87
+#define HONEY_KEY_F19 88
+#define HONEY_KEY_F20 89
+#define HONEY_KEY_F21 90
+#define HONEY_KEY_F22 91
+#define HONEY_KEY_F23 92
+#define HONEY_KEY_F24 93
+#define HONEY_KEY_F25 94
+#define HONEY_KEY_KP_0 95
+#define HONEY_KEY_KP_1 96
+#define HONEY_KEY_KP_2 97
+#define HONEY_KEY_KP_3 98
+#define HONEY_KEY_KP_4 99
+#define HONEY_KEY_KP_5 100
+#define HONEY_KEY_KP_6 101
+#define HONEY_KEY_KP_7 102
+#define HONEY_KEY_KP_8 103
+#define HONEY_KEY_KP_9 104
+#define HONEY_KEY_KP_DECIMAL 105
+#define HONEY_KEY_KP_DIVIDE 106
+#define HONEY_KEY_KP_MULTIPLY 107
+#define HONEY_KEY_KP_SUBTRACT 108
+#define HONEY_KEY_KP_ADD 109
+#define HONEY_KEY_KP_ENTER 110
+#define HONEY_KEY_KP_EQUAL 111
+#define HONEY_KEY_LEFT_SHIFT 112
+#define HONEY_KEY_LEFT_CONTROL 113
+#define HONEY_KEY_LEFT_ALT 114
+#define HONEY_KEY_LEFT_SUPER 115
+#define HONEY_KEY_RIGHT_SHIFT 116
+#define HONEY_KEY_RIGHT_CONTROL 117
+#define HONEY_KEY_RIGHT_ALT 118
+#define HONEY_KEY_RIGHT_SUPER 119
+#define HONEY_KEY_MENU 120
+
+#define HONEY_N_KEYS 121
+
+#define HONEY_PRESS_KEY GLFW_PRESS
+#define HONEY_RELEASE_KEY GLFW_RELEASE
+
+unsigned int honey_key_states[HONEY_N_KEYS];
+static void (*honey_key_callbacks[HONEY_N_KEYS])(void*, int);
+static void* honey_key_callbacks_data[HONEY_N_KEYS];
+static void (*honey_keyboard_callback)(honey_window window, int key, int scancode, int action, int mods);
+
+/** @brief Initializes Honey's internal keyboard states.
+ * 
+ * This function is called by honey_setup, so you shouldn't need
+ * to manually call it in most cases.
+ */
+void honey_setup_keyboard();
+
+/** @brief Check if a key is down.
+ *
+ * @param[in] key The key to query.
+ * 
+ * @return TRUE if the key is presently held down; FALSE if it is not, or if the keycode was out of bounds.
+ */
+bool honey_key_down(int key);
+
+/** @brief Bind a callback to a key.
+ *
+ * The callback must have signature (void*, int), where the first argument is supplied by the 
+ * void* supplied with this function, and the int is one of HONEY_KEY_PRESS or HONEY_KEY_RELEASE,
+ * depending on the action that triggered the callback.
+ *
+ * @param[in] key The key to bind the callback to.
+ * @param[in] callback The callback function to bind.
+ * @param[in] data Data to pass to the callback function upon triggering.
+ */
+void honey_key_bind(int key, void (*callback)(void*, int), void* data);
+
+/** @brief Unbind a key callback.
+ *
+ * THIS FUNCTION DOES NOT FREE MEMORY! If you allocated any, be sure to free it yourself!
+ *
+ * @param[in] key The key to unbind a callback from.
+ */
+void honey_key_unbind(int key);
+
+void default_honey_keyboard_callback(honey_window window, int key, int scancode, int action, int mods);
+
+#endif
diff --git a/include/keycodes.txt b/include/keycodes.txt
new file mode 100644
index 0000000..12f35b3
--- /dev/null
+++ b/include/keycodes.txt
@@ -0,0 +1,121 @@
+GLFW_KEY_UNKNOWN
+GLFW_KEY_SPACE
+GLFW_KEY_APOSTROPHE
+GLFW_KEY_COMMA
+GLFW_KEY_MINUS
+GLFW_KEY_PERIOD
+GLFW_KEY_SLASH
+GLFW_KEY_0
+GLFW_KEY_1
+GLFW_KEY_2
+GLFW_KEY_3
+GLFW_KEY_4
+GLFW_KEY_5
+GLFW_KEY_6
+GLFW_KEY_7
+GLFW_KEY_8
+GLFW_KEY_9
+GLFW_KEY_SEMICOLON
+GLFW_KEY_EQUAL
+GLFW_KEY_A
+GLFW_KEY_B
+GLFW_KEY_C
+GLFW_KEY_D
+GLFW_KEY_E
+GLFW_KEY_F
+GLFW_KEY_G
+GLFW_KEY_H
+GLFW_KEY_I
+GLFW_KEY_J
+GLFW_KEY_K
+GLFW_KEY_L
+GLFW_KEY_M
+GLFW_KEY_N
+GLFW_KEY_O
+GLFW_KEY_P
+GLFW_KEY_Q
+GLFW_KEY_R
+GLFW_KEY_S
+GLFW_KEY_T
+GLFW_KEY_U
+GLFW_KEY_V
+GLFW_KEY_W
+GLFW_KEY_X
+GLFW_KEY_Y
+GLFW_KEY_Z
+GLFW_KEY_LEFT_BRACKET
+GLFW_KEY_BACKSLASH
+GLFW_KEY_RIGHT_BRACKET
+GLFW_KEY_GRAVE_ACCENT
+GLFW_KEY_WORLD_1
+GLFW_KEY_WORLD_2
+GLFW_KEY_ESCAPE
+GLFW_KEY_ENTER
+GLFW_KEY_TAB
+GLFW_KEY_BACKSPACE
+GLFW_KEY_INSERT
+GLFW_KEY_DELETE
+GLFW_KEY_RIGHT
+GLFW_KEY_LEFT
+GLFW_KEY_DOWN
+GLFW_KEY_UP
+GLFW_KEY_PAGE_UP
+GLFW_KEY_PAGE_DOWN
+GLFW_KEY_HOME
+GLFW_KEY_END
+GLFW_KEY_CAPS_LOCK
+GLFW_KEY_SCROLL_LOCK
+GLFW_KEY_NUM_LOCK
+GLFW_KEY_PRINT_SCREEN
+GLFW_KEY_PAUSE
+GLFW_KEY_F1
+GLFW_KEY_F2
+GLFW_KEY_F3
+GLFW_KEY_F4
+GLFW_KEY_F5
+GLFW_KEY_F6
+GLFW_KEY_F7
+GLFW_KEY_F8
+GLFW_KEY_F9
+GLFW_KEY_F10
+GLFW_KEY_F11
+GLFW_KEY_F12
+GLFW_KEY_F13
+GLFW_KEY_F14
+GLFW_KEY_F15
+GLFW_KEY_F16
+GLFW_KEY_F17
+GLFW_KEY_F18
+GLFW_KEY_F19
+GLFW_KEY_F20
+GLFW_KEY_F21
+GLFW_KEY_F22
+GLFW_KEY_F23
+GLFW_KEY_F24
+GLFW_KEY_F25
+GLFW_KEY_KP_0
+GLFW_KEY_KP_1
+GLFW_KEY_KP_2
+GLFW_KEY_KP_3
+GLFW_KEY_KP_4
+GLFW_KEY_KP_5
+GLFW_KEY_KP_6
+GLFW_KEY_KP_7
+GLFW_KEY_KP_8
+GLFW_KEY_KP_9
+GLFW_KEY_KP_DECIMAL
+GLFW_KEY_KP_DIVIDE
+GLFW_KEY_KP_MULTIPLY
+GLFW_KEY_KP_SUBTRACT
+GLFW_KEY_KP_ADD
+GLFW_KEY_KP_ENTER
+GLFW_KEY_KP_EQUAL
+GLFW_KEY_LEFT_SHIFT
+GLFW_KEY_LEFT_CONTROL
+GLFW_KEY_LEFT_ALT
+GLFW_KEY_LEFT_SUPER
+GLFW_KEY_RIGHT_SHIFT
+GLFW_KEY_RIGHT_CONTROL
+GLFW_KEY_RIGHT_ALT
+GLFW_KEY_RIGHT_SUPER
+GLFW_KEY_MENU