mirror of https://github.com/bjornbytes/lovr.git
417 lines
11 KiB
C
417 lines
11 KiB
C
#ifndef LOVR_USE_GLFW
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void os_destroy() {
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//
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}
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void os_poll_events() {
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//
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}
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bool os_window_open(const os_window_config* config) {
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return false;
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}
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bool os_window_is_open() {
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return false;
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}
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void os_window_get_size(uint32_t* width, uint32_t* height) {
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*width = *height = 0;
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}
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float os_window_get_pixel_density(void) {
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return 0.f;
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}
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void os_on_quit(fn_quit* callback) {
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//
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}
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void os_on_focus(fn_focus* callback) {
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//
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}
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void os_on_resize(fn_resize* callback) {
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//
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}
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void os_on_key(fn_key* callback) {
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//
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}
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void os_on_text(fn_text* callback) {
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//
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}
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void os_get_mouse_position(double* x, double* y) {
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*x = *y = 0.;
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}
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void os_set_mouse_mode(os_mouse_mode mode) {
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//
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}
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bool os_is_mouse_down(os_mouse_button button) {
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return false;
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}
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bool os_is_key_down(os_key key) {
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return false;
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}
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#ifdef LOVR_VK
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const char** os_vk_get_instance_extensions(uint32_t* count) {
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return *count = 0, NULL;
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}
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uint32_t os_vk_create_surface(void* instance, void** surface) {
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return -13; // VK_ERROR_UNKNOWN
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}
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#endif
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#else
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#include <stdio.h>
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#ifdef LOVR_VK
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#include <vulkan/vulkan.h>
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#endif
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#define GLFW_INCLUDE_NONE
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#include <GLFW/glfw3.h>
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#ifndef EMSCRIPTEN
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#ifdef _WIN32
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#define GLFW_EXPOSE_NATIVE_WIN32
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#endif
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#include <GLFW/glfw3native.h>
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#endif
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static struct {
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GLFWwindow* window;
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fn_quit* onQuitRequest;
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fn_focus* onWindowFocus;
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fn_resize* onWindowResize;
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fn_key* onKeyboardEvent;
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fn_text* onTextEvent;
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} glfwState;
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static void onError(int code, const char* description) {
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printf("GLFW error %d: %s\n", code, description);
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}
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static void onWindowClose(GLFWwindow* window) {
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if (glfwState.onQuitRequest) {
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glfwState.onQuitRequest();
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}
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}
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static void onWindowFocus(GLFWwindow* window, int focused) {
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if (glfwState.onWindowFocus) {
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glfwState.onWindowFocus(focused);
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}
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}
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static void onWindowResize(GLFWwindow* window, int width, int height) {
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if (glfwState.onWindowResize) {
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glfwGetFramebufferSize(window, &width, &height);
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glfwState.onWindowResize(width, height);
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}
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}
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static void onKeyboardEvent(GLFWwindow* window, int k, int scancode, int a, int mods) {
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if (glfwState.onKeyboardEvent) {
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os_key key;
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switch (k) {
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case GLFW_KEY_A: key = KEY_A; break;
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case GLFW_KEY_B: key = KEY_B; break;
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case GLFW_KEY_C: key = KEY_C; break;
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case GLFW_KEY_D: key = KEY_D; break;
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case GLFW_KEY_E: key = KEY_E; break;
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case GLFW_KEY_F: key = KEY_F; break;
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case GLFW_KEY_G: key = KEY_G; break;
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case GLFW_KEY_H: key = KEY_H; break;
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case GLFW_KEY_I: key = KEY_I; break;
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case GLFW_KEY_J: key = KEY_J; break;
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case GLFW_KEY_K: key = KEY_K; break;
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case GLFW_KEY_L: key = KEY_L; break;
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case GLFW_KEY_M: key = KEY_M; break;
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case GLFW_KEY_N: key = KEY_N; break;
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case GLFW_KEY_O: key = KEY_O; break;
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case GLFW_KEY_P: key = KEY_P; break;
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case GLFW_KEY_Q: key = KEY_Q; break;
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case GLFW_KEY_R: key = KEY_R; break;
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case GLFW_KEY_S: key = KEY_S; break;
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case GLFW_KEY_T: key = KEY_T; break;
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case GLFW_KEY_U: key = KEY_U; break;
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case GLFW_KEY_V: key = KEY_V; break;
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case GLFW_KEY_W: key = KEY_W; break;
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case GLFW_KEY_X: key = KEY_X; break;
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case GLFW_KEY_Y: key = KEY_Y; break;
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case GLFW_KEY_Z: key = KEY_Z; break;
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case GLFW_KEY_0: key = KEY_0; break;
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case GLFW_KEY_1: key = KEY_1; break;
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case GLFW_KEY_2: key = KEY_2; break;
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case GLFW_KEY_3: key = KEY_3; break;
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case GLFW_KEY_4: key = KEY_4; break;
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case GLFW_KEY_5: key = KEY_5; break;
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case GLFW_KEY_6: key = KEY_6; break;
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case GLFW_KEY_7: key = KEY_7; break;
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case GLFW_KEY_8: key = KEY_8; break;
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case GLFW_KEY_9: key = KEY_9; break;
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case GLFW_KEY_SPACE: key = KEY_SPACE; break;
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case GLFW_KEY_ENTER: key = KEY_ENTER; break;
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case GLFW_KEY_TAB: key = KEY_TAB; break;
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case GLFW_KEY_ESCAPE: key = KEY_ESCAPE; break;
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case GLFW_KEY_BACKSPACE: key = KEY_BACKSPACE; break;
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case GLFW_KEY_UP: key = KEY_UP; break;
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case GLFW_KEY_DOWN: key = KEY_DOWN; break;
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case GLFW_KEY_LEFT: key = KEY_LEFT; break;
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case GLFW_KEY_RIGHT: key = KEY_RIGHT; break;
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case GLFW_KEY_HOME: key = KEY_HOME; break;
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case GLFW_KEY_END: key = KEY_END; break;
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case GLFW_KEY_PAGE_UP: key = KEY_PAGE_UP; break;
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case GLFW_KEY_PAGE_DOWN: key = KEY_PAGE_DOWN; break;
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case GLFW_KEY_INSERT: key = KEY_INSERT; break;
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case GLFW_KEY_DELETE: key = KEY_DELETE; break;
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case GLFW_KEY_F1: key = KEY_F1; break;
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case GLFW_KEY_F2: key = KEY_F2; break;
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case GLFW_KEY_F3: key = KEY_F3; break;
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case GLFW_KEY_F4: key = KEY_F4; break;
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case GLFW_KEY_F5: key = KEY_F5; break;
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case GLFW_KEY_F6: key = KEY_F6; break;
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case GLFW_KEY_F7: key = KEY_F7; break;
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case GLFW_KEY_F8: key = KEY_F8; break;
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case GLFW_KEY_F9: key = KEY_F9; break;
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case GLFW_KEY_F10: key = KEY_F10; break;
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case GLFW_KEY_F11: key = KEY_F11; break;
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case GLFW_KEY_F12: key = KEY_F12; break;
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case GLFW_KEY_GRAVE_ACCENT: key = KEY_BACKTICK; break;
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case GLFW_KEY_MINUS: key = KEY_MINUS; break;
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case GLFW_KEY_EQUAL: key = KEY_EQUALS; break;
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case GLFW_KEY_LEFT_BRACKET: key = KEY_LEFT_BRACKET; break;
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case GLFW_KEY_RIGHT_BRACKET: key = KEY_RIGHT_BRACKET; break;
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case GLFW_KEY_BACKSLASH: key = KEY_BACKSLASH; break;
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case GLFW_KEY_SEMICOLON: key = KEY_SEMICOLON; break;
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case GLFW_KEY_APOSTROPHE: key = KEY_APOSTROPHE; break;
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case GLFW_KEY_COMMA: key = KEY_COMMA; break;
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case GLFW_KEY_PERIOD: key = KEY_PERIOD; break;
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case GLFW_KEY_SLASH: key = KEY_SLASH; break;
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case GLFW_KEY_LEFT_CONTROL: key = KEY_LEFT_CONTROL; break;
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case GLFW_KEY_LEFT_SHIFT: key = KEY_LEFT_SHIFT; break;
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case GLFW_KEY_LEFT_ALT: key = KEY_LEFT_ALT; break;
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case GLFW_KEY_LEFT_SUPER: key = KEY_LEFT_OS; break;
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case GLFW_KEY_RIGHT_CONTROL: key = KEY_RIGHT_CONTROL; break;
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case GLFW_KEY_RIGHT_SHIFT: key = KEY_RIGHT_SHIFT; break;
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case GLFW_KEY_RIGHT_ALT: key = KEY_RIGHT_ALT; break;
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case GLFW_KEY_RIGHT_SUPER: key = KEY_RIGHT_OS; break;
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case GLFW_KEY_CAPS_LOCK: key = KEY_CAPS_LOCK; break;
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case GLFW_KEY_SCROLL_LOCK: key = KEY_SCROLL_LOCK; break;
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case GLFW_KEY_NUM_LOCK: key = KEY_NUM_LOCK; break;
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default: return;
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}
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os_button_action action = (a == GLFW_RELEASE) ? BUTTON_RELEASED : BUTTON_PRESSED;
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bool repeat = (a == GLFW_REPEAT);
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glfwState.onKeyboardEvent(action, key, scancode, repeat);
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}
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}
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static void onTextEvent(GLFWwindow* window, unsigned int codepoint) {
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if (glfwState.onTextEvent) {
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glfwState.onTextEvent(codepoint);
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}
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}
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static int convertMouseButton(os_mouse_button button) {
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switch (button) {
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case MOUSE_LEFT: return GLFW_MOUSE_BUTTON_LEFT;
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case MOUSE_RIGHT: return GLFW_MOUSE_BUTTON_RIGHT;
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default: return -1;
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}
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}
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static int convertKey(os_key key) {
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switch (key) {
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case KEY_W: return GLFW_KEY_W;
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case KEY_A: return GLFW_KEY_A;
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case KEY_S: return GLFW_KEY_S;
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case KEY_D: return GLFW_KEY_D;
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case KEY_Q: return GLFW_KEY_Q;
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case KEY_E: return GLFW_KEY_E;
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case KEY_UP: return GLFW_KEY_UP;
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case KEY_DOWN: return GLFW_KEY_DOWN;
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case KEY_LEFT: return GLFW_KEY_LEFT;
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case KEY_RIGHT: return GLFW_KEY_RIGHT;
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case KEY_ESCAPE: return GLFW_KEY_ESCAPE;
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case KEY_F5: return GLFW_KEY_F5;
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default: return GLFW_KEY_UNKNOWN;
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}
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}
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void os_destroy() {
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glfwTerminate();
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}
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void os_poll_events() {
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if (glfwState.window) {
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glfwPollEvents();
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}
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}
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bool os_window_open(const os_window_config* config) {
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if (glfwState.window) {
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return true;
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}
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glfwSetErrorCallback(onError);
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#ifdef __APPLE__
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glfwInitHint(GLFW_COCOA_CHDIR_RESOURCES, GLFW_FALSE);
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#endif
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if (!glfwInit()) {
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return false;
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}
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#ifdef LOVR_VK
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glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
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#endif
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glfwWindowHint(GLFW_RESIZABLE, config->resizable);
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GLFWmonitor* monitor = glfwGetPrimaryMonitor();
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const GLFWvidmode* mode = glfwGetVideoMode(monitor);
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uint32_t width = config->width ? config->width : (uint32_t) mode->width;
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uint32_t height = config->height ? config->height : (uint32_t) mode->height;
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if (config->fullscreen) {
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glfwWindowHint(GLFW_RED_BITS, mode->redBits);
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glfwWindowHint(GLFW_GREEN_BITS, mode->greenBits);
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glfwWindowHint(GLFW_BLUE_BITS, mode->blueBits);
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glfwWindowHint(GLFW_REFRESH_RATE, mode->refreshRate);
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}
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glfwState.window = glfwCreateWindow(width, height, config->title, config->fullscreen ? monitor : NULL, NULL);
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if (!glfwState.window) {
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return false;
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}
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if (config->icon.data) {
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glfwSetWindowIcon(glfwState.window, 1, &(GLFWimage) {
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.pixels = config->icon.data,
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.width = config->icon.width,
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.height = config->icon.height
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});
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}
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glfwSetWindowCloseCallback(glfwState.window, onWindowClose);
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glfwSetWindowFocusCallback(glfwState.window, onWindowFocus);
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glfwSetWindowSizeCallback(glfwState.window, onWindowResize);
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glfwSetKeyCallback(glfwState.window, onKeyboardEvent);
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glfwSetCharCallback(glfwState.window, onTextEvent);
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return true;
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}
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bool os_window_is_open() {
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return glfwState.window;
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}
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void os_window_get_size(uint32_t* width, uint32_t* height) {
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if (glfwState.window) {
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int w, h;
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glfwGetFramebufferSize(glfwState.window, &w, &h);
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*width = w;
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*height = h;
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} else {
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*width = 0;
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*height = 0;
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}
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}
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float os_window_get_pixel_density(void) {
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if (!glfwState.window) {
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return 0.f;
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}
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int w, h, fw, fh;
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glfwGetWindowSize(glfwState.window, &w, &h);
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glfwGetFramebufferSize(glfwState.window, &fw, &fh);
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return (w == 0 || fw == 0) ? 0.f : (float) fw / w;
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}
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void os_on_quit(fn_quit* callback) {
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glfwState.onQuitRequest = callback;
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}
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void os_on_focus(fn_focus* callback) {
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glfwState.onWindowFocus = callback;
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}
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void os_on_resize(fn_resize* callback) {
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glfwState.onWindowResize = callback;
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}
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void os_on_key(fn_key* callback) {
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glfwState.onKeyboardEvent = callback;
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}
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void os_on_text(fn_text* callback) {
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glfwState.onTextEvent = callback;
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}
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void os_get_mouse_position(double* x, double* y) {
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if (glfwState.window) {
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glfwGetCursorPos(glfwState.window, x, y);
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} else {
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*x = *y = 0.;
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}
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}
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void os_set_mouse_mode(os_mouse_mode mode) {
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if (glfwState.window) {
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int m = (mode == MOUSE_MODE_GRABBED) ? GLFW_CURSOR_DISABLED : GLFW_CURSOR_NORMAL;
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glfwSetInputMode(glfwState.window, GLFW_CURSOR, m);
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}
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}
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bool os_is_mouse_down(os_mouse_button button) {
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return glfwState.window ? glfwGetMouseButton(glfwState.window, convertMouseButton(button)) == GLFW_PRESS : false;
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}
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bool os_is_key_down(os_key key) {
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return glfwState.window ? glfwGetKey(glfwState.window, convertKey(key)) == GLFW_PRESS : false;
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}
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#ifdef _WIN32
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HANDLE os_get_win32_window() {
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return (HANDLE) glfwGetWin32Window(glfwState.window);
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}
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#endif
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#ifdef LOVR_VK
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const char** os_vk_get_instance_extensions(uint32_t* count) {
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return glfwGetRequiredInstanceExtensions(count);
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}
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uint32_t os_vk_create_surface(void* instance, void** surface) {
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return glfwCreateWindowSurface(instance, glfwState.window, NULL, (VkSurfaceKHR*) surface);
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}
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#endif
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#ifdef _WIN32
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#define OS_DLL_EXPORT __declspec(dllexport)
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#else
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#define OS_DLL_EXPORT __attribute__((visibility("default")))
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#endif
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OS_DLL_EXPORT GLFWwindow* os_get_glfw_window(void) {
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return glfwState.window;
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}
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#endif
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