Gamepad stuff (forgot to commit this file before)
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Charlie Malmqvist
parent
f8ef5dd8b3
commit
a8ded88dca
1 changed files with 114 additions and 17 deletions
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@ -2,31 +2,68 @@
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Main input juice:
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bool is_key_down(Input_Key_Code code);
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bool is_key_up(Input_Key_Code code);
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bool is_key_just_pressed(Input_Key_Code code);
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bool is_key_just_released(Input_Key_Code code);
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bool consume_key_down(Input_Key_Code code);
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bool consume_key_just_pressed(Input_Key_Code code);
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bool consume_key_just_released(Input_Key_Code code);
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// To loop through events this frame
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for (u64 i = 0; i < input_frame.number_of_events; i++) {
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Input_Event e = input_frame.events[i];
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bool is_key_down(Input_Key_Code code)
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bool is_key_up(Input_Key_Code code)
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bool is_key_just_pressed(Input_Key_Code code)
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bool is_key_just_released(Input_Key_Code code)
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switch (e.kind) {
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case INPUT_EVENT_KEY: ...; break;
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case INPUT_EVENT_SCROLL: ...; break;
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case INPUT_EVENT_TEXT: ...; break;
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bool consume_key_down(Input_Key_Code code)
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bool consume_key_just_pressed(Input_Key_Code code)
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bool consume_key_just_released(Input_Key_Code code)
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To loop through events this frame:
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for (u64 i = 0; i < input_frame.number_of_events; i++) {
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Input_Event e = input_frame.events[i];
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switch (e.kind) {
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case INPUT_EVENT_KEY: ...; break;
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case INPUT_EVENT_SCROLL: ...; break;
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case INPUT_EVENT_TEXT: ...; break;
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case INPUT_EVENT_GAMEPAD_AXIS: ...; break;
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}
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}
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}
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Gamepad input:
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Vector2 input_frame.left_stick
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Vector2 input_frame.right_stick
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float32 input_frame.left_trigger
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float32 input_frame.right_trigger
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Gamepad buttons are treated as regular keys.
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Example:
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is_key_just_pressed(GAMEPAD_A);
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is_key_down(GAMEPAD_DPAD_LEFT);
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To handle multiple gamepads, you need to poll input events and use the event.gamepad_index.
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For gamepad buttons: INPUT_EVENT_KEY
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For gamepad axes: INPUT_EVENT_GAMEPAD_AXIS
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Set axis deadzones with global variables:
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Vector2 deadzone_left_stick
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Vector2 deadzone_right_stick
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float32 deadzone_left_trigger
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float32 deadzone_right_trigger
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Set vibration with:
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set_gamepad_vibration(float32 left, float32 right)
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set_specific_gamepad_vibration(int gamepad_index, float32 left, float32 right)
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see input_example.c for example code in practice
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*/
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// #Global
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forward_global const u64 MAX_NUMBER_OF_GAMEPADS; // Defined in os layer
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typedef enum Input_Event_Kind {
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INPUT_EVENT_KEY,
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INPUT_EVENT_SCROLL,
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INPUT_EVENT_TEXT,
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INPUT_EVENT_GAMEPAD_AXIS,
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} Input_Event_Kind;
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typedef enum Input_Key_Code {
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@ -83,10 +120,34 @@ typedef enum Input_Key_Code {
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KEY_PRINT_SCREEN,
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GAMEPAD_DPAD_UP,
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GAMEPAD_DPAD_RIGHT,
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GAMEPAD_DPAD_DOWN,
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GAMEPAD_DPAD_LEFT,
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GAMEPAD_A,
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GAMEPAD_X,
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GAMEPAD_Y,
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GAMEPAD_B,
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GAMEPAD_START,
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GAMEPAD_BACK,
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GAMEPAD_LEFT_STICK,
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GAMEPAD_RIGHT_STICK,
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GAMEPAD_LEFT_BUMPER,
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GAMEPAD_RIGHT_BUMPER,
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GAMEPAD_LEFT_TRIGGER,
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GAMEPAD_RIGHT_TRIGGER,
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MOUSE_BUTTON_LEFT,
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MOUSE_BUTTON_MIDDLE,
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MOUSE_BUTTON_RIGHT,
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GAMEPAD_FIRST = GAMEPAD_START,
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GAMEPAD_LAST = GAMEPAD_RIGHT_TRIGGER,
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MOUSE_FIRST = MOUSE_BUTTON_LEFT,
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MOUSE_LAST = MOUSE_BUTTON_RIGHT,
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@ -100,12 +161,21 @@ typedef enum Input_State_Flags {
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INPUT_STATE_REPEAT = 1<<3,
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} Input_State_Flags;
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typedef enum Input_Axis_Flags {
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INPUT_AXIS_LEFT_STICK = 1<<0,
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INPUT_AXIS_RIGHT_STICK = 1<<1,
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INPUT_AXIS_LEFT_TRIGGER = 1<<2,
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INPUT_AXIS_RIGHT_TRIGGER = 1<<3,
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} Input_Axis_Flags;
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typedef struct Input_Event {
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Input_Event_Kind kind;
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// For INPUT_EVENT_KEY
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Input_Key_Code key_code;
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Input_State_Flags key_state;
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// Also for INPUT_EVENT_GAMEPAD_AXIS
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s64 gamepad_index; // -1 if key is not from a gamepad
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// For INPUT_EVENT_SCROLL
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float64 xscroll;
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@ -114,6 +184,14 @@ typedef struct Input_Event {
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// For INPUT_EVENT_TEXT_INPUT
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union { u32 utf32; char ascii; };
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// For INPUT_EVENT_GAMEPAD_AXIS
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// Only the changed axes have valid values
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Input_Axis_Flags axes_changed;
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Vector2 left_stick;
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Vector2 right_stick;
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float32 left_trigger;
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float32 right_trigger;
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} Input_Event;
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Input_Key_Code os_key_to_key_code(void* os_key);
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@ -127,17 +205,36 @@ typedef struct Input_Frame {
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float32 mouse_x;
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float32 mouse_y;
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// Gamepad
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// If you need to deal with more than 1 gamepad, use INPUT_EVENT_GAMEPAD_AXIS
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Vector2 left_stick;
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Vector2 right_stick;
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float32 left_trigger;
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float32 right_trigger;
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Input_State_Flags key_states[INPUT_KEY_CODE_COUNT];
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} Input_Frame;
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// #Global
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ogb_instance Input_Frame input_frame;
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ogb_instance Vector2 deadzone_left_stick;
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ogb_instance Vector2 deadzone_right_stick;
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ogb_instance float32 deadzone_left_trigger;
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ogb_instance float32 deadzone_right_trigger;
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#if !OOGABOOGA_LINK_EXTERNAL_INSTANCE
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Input_Frame input_frame = ZERO(Input_Frame);
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Vector2 deadzone_left_stick = {0.2, 0.2};
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Vector2 deadzone_right_stick = {0.2, 0.2};
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float32 deadzone_left_trigger = {0.07};
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float32 deadzone_right_trigger = {0.07};
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#endif
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// 0.0 for no vibration, 1.0 for max vibration
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void set_gamepad_vibration(float32 left, float32 right);
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void set_specific_gamepad_vibration(u64 gamepad_index, float32 left, float32 right);
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bool has_key_state(Input_Key_Code code, Input_State_Flags flags) {
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assert(code > 0 && code < INPUT_KEY_CODE_COUNT, "Invalid key code %d!", code);
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Input_State_Flags state = input_frame.key_states[code];
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