"progress"

archive/src/input/input.h

@@ -0,0 +1,154 @@
+/**
+ * Copyright (c) 2025 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "inputbutton.h"
+#include "inputaction.h"
+#include "event/event.h"
+
+#if DOLPHIN
+  #define INPUT_PAD_COUNT PAD_CHANMAX
+  #define INPUT_AXIS_FLOAT(value) ((float_t)(value) / 128.0f)
+#endif
+
+#define INPUT_LISTENER_PRESSED_MAX 16
+#define INPUT_LISTENER_RELEASED_MAX INPUT_LISTENER_PRESSED_MAX
+
+typedef struct {
+  const inputaction_t action;
+} inputevent_t;
+
+typedef struct {
+  inputactiondata_t actions[INPUT_ACTION_COUNT];
+
+  eventlistener_t pressedListeners[INPUT_LISTENER_PRESSED_MAX];
+  event_t eventPressed;
+  eventlistener_t releasedListeners[INPUT_LISTENER_RELEASED_MAX];
+  event_t eventReleased;
+
+  #if INPUT_GAMEPAD == 1
+    float_t deadzone;
+  #endif
+
+  #if INPUT_SDL2 == 1
+    #if INPUT_GAMEPAD == 1
+      SDL_GameController *controller;
+    #endif
+    
+    #if INPUT_KEYBOARD == 1
+      const uint8_t *keyboardState;
+    #endif
+
+    #if INPUT_POINTER == 1
+      #if INPUT_SDL2 == 1
+        float_t mouseX, mouseY;
+      #endif
+    #endif
+
+  #elif DOLPHIN
+    int padState[INPUT_PAD_COUNT];
+    float_t pads[INPUT_PAD_COUNT][INPUT_GAMEPAD_AXIS_COUNT];
+  
+  #endif
+} input_t;
+
+extern input_t INPUT;
+
+/**
+ * Initialize the input system.
+ */
+void inputInit(void);
+
+/**
+ * Updates the input state.
+ */
+void inputUpdate(void);
+
+/**
+ * Gets the current value of a specific input action.
+ * 
+ * @param action The input action to get the value for.
+ * @return The current value of the action (0.0f to 1.0f).
+ */
+float_t inputGetCurrentValue(const inputaction_t action);
+
+/**
+ * Gets the last value of a specific input action.
+ * 
+ * @param action The input action to get the value for.
+ * @return The last value of the action (0.0f to 1.0f).
+ */
+float_t inputGetLastValue(const inputaction_t action);
+
+#if TIME_FIXED == 0
+  /**
+   * Gets the current value of a specific input action (dynamic timestep).
+   * 
+   * @param action The input action to get the value for.
+   * @return The current value of the action (0.0f to 1.0f).
+   */
+  float_t inputGetCurrentValueDynamic(const inputaction_t action);
+
+  /**
+   * Gets the last value of a specific input action (dynamic timestep).
+   * 
+   * @param action The input action to get the value for.
+   * @return The last value of the action (0.0f to 1.0f).
+   */
+  float_t inputGetLastValueDynamic(const inputaction_t action);
+#endif
+
+/**
+ * Checks if a specific input action is currently pressed.
+ * 
+ * @param action The input action to check.
+ * @return true if the action is currently pressed, false otherwise.
+ */
+bool_t inputIsDown(const inputaction_t action);
+
+/**
+ * Checks if a specific input action was pressed in the last update.
+ * 
+ * @param action The input action to check.
+ * @return true if the action was pressed in the last update, false otherwise.
+ */
+bool_t inputWasDown(const inputaction_t action);
+
+/**
+ * Checks if a specific input action was down this frame but not in the the
+ * previous frame.
+ * 
+ * @param action The input action to check.
+ * @return true if the action is currently pressed, false otherwise.
+ */
+bool_t inputPressed(const inputaction_t action);
+
+/**
+ * Checks if a specific input action was released this frame.
+ * 
+ * @param action The input action to check.
+ * @return true if the action was released this frame, false otherwise.
+ */
+bool_t inputReleased(const inputaction_t action);
+
+/**
+ * Gets the value of an input axis, defined by two actions (negative and
+ * positive).
+ * 
+ * @param neg The action representing the negative direction of the axis.
+ * @param pos The action representing the positive direction of the axis.
+ * @return The current value of the axis (-1.0f to 1.0f).
+ */
+float_t inputAxis(const inputaction_t neg, const inputaction_t pos);
+
+/**
+ * Binds an input button to an action.
+ * 
+ * @param button The input button to bind.
+ * @param action The input action to bind the button to.
+ */
+void inputBind(const inputbutton_t button, const inputaction_t act);