Add 'shf/' from commit 'b6c5a95b664aeb861d7b33ffc9eefe447ba99dd7'

git-subtree-dir: shf
git-subtree-mainline: 401408448f
git-subtree-split: b6c5a95b66

shf/ffi/glfw-input.c

@@ -0,0 +1,119 @@
+#include "mlton-glfw-export.h"
+#include "glad.h"
+#define GLFW_INCLUDE_NONE
+#include <GLFW/glfw3.h>
+
+int PRESS = GLFW_PRESS;
+int REPEAT = GLFW_REPEAT;
+int RELEASE = GLFW_RELEASE;
+int KEY_ESC = GLFW_KEY_ESCAPE;
+int KEY_ENTER = GLFW_KEY_ENTER;
+int KEY_BACKSPACE = GLFW_KEY_BACKSPACE;
+
+int KEY_ARROW_LEFT = GLFW_KEY_LEFT;
+int KEY_ARROW_RIGHT = GLFW_KEY_RIGHT;
+int KEY_ARROW_UP = GLFW_KEY_UP;
+int KEY_ARROW_DOWN = GLFW_KEY_DOWN;
+
+void framebufferSizeCallback(GLFWwindow* window, int width, int height) {
+  glViewport(0, 0, width, height);
+  mltonFramebufferSizeCallback(width, height);
+}
+
+void setFramebufferSizeCallback(GLFWwindow* window) {
+  glfwSetFramebufferSizeCallback(window, framebufferSizeCallback);
+}
+
+void charCallback(GLFWwindow* window, unsigned int codepoint) {
+  mltonCharCallback(codepoint);
+}
+
+void setCharCallback(GLFWwindow* window) {
+  glfwSetCharCallback(window, charCallback);
+}
+
+void keyCallback(GLFWwindow *window, int key, int scancode, int action, int mods) {
+  mltonKeyCallback(key, scancode, action, mods);
+}
+
+void setKeyCallback(GLFWwindow *window) {
+  glfwSetKeyCallback(window, keyCallback);
+}
+
+// gamepad code
+GLFWgamepadstate state;
+float* axes;
+int axesCount = -1;
+
+int getGamepadState(int joystickID) {
+  if (glfwJoystickIsGamepad(joystickID) && glfwGetGamepadState(joystickID, &state)) {
+    axes = glfwGetJoystickAxes(joystickID, &axesCount);
+    return 1;
+  } else {
+    return 0;
+  }
+}
+
+float getLeftJoystickXAxisState() {
+  if (axesCount >= 2) {
+    return axes[0];
+  } else {
+    return 99.0;
+  }
+}
+
+float getLeftJoystickYAxisState() {
+  if (axesCount >= 2) {
+    return axes[1];
+  } else {
+    return 99.0;
+  }
+}
+
+float getL2State() {
+  return axes[2];
+}
+
+float getR2State() {
+  return axes[5];
+}
+
+int isCrossButtonPressed() {
+  return state.buttons[GLFW_GAMEPAD_BUTTON_CROSS];
+}
+
+int isCircleButtonPressed() {
+  return state.buttons[GLFW_GAMEPAD_BUTTON_CIRCLE];
+}
+
+int isSquareButtonPressed() {
+  return state.buttons[GLFW_GAMEPAD_BUTTON_SQUARE];
+}
+
+int isTriangleButtonPressed() {
+  return state.buttons[GLFW_GAMEPAD_BUTTON_TRIANGLE];
+}
+
+int isR1ButtonPressed() {
+  return state.buttons[GLFW_GAMEPAD_BUTTON_RIGHT_BUMPER];
+}
+
+int isL1ButtonPressed() {
+  return state.buttons[GLFW_GAMEPAD_BUTTON_LEFT_BUMPER];
+}
+
+int isDpadUpPressed() {
+  return state.buttons[GLFW_GAMEPAD_BUTTON_DPAD_UP];
+}
+
+int isDpadDownPressed() {
+  return state.buttons[GLFW_GAMEPAD_BUTTON_DPAD_DOWN];
+}
+
+int isDpadLeftPressed() {
+  return state.buttons[GLFW_GAMEPAD_BUTTON_DPAD_LEFT];
+}
+
+int isDpadRightPressed() {
+  return state.buttons[GLFW_GAMEPAD_BUTTON_DPAD_RIGHT];
+}