GLFW-related update & -lstdc++fs

CMakeLists.txt

@@ -10,7 +10,7 @@ target_compile_features(${PROJECT_NAME} PRIVATE cxx_std_17)
 if(MSVC)
   target_compile_options(${PROJECT_NAME} PRIVATE /W4)
 else()
-  target_compile_options(${PROJECT_NAME} PRIVATE -Wall -Wextra 
+  target_compile_options(${PROJECT_NAME} PRIVATE -Wall -Wextra -lstdc++fs
     # additional warnings
     -Wformat-nonliteral -Wcast-align 
     -Wpointer-arith -Winline -Wundef

src/window/Events.cpp

@@ -12,8 +12,8 @@ float Events::x = 0.0f;
 float Events::y = 0.0f;
 bool Events::_cursor_locked = false;
 bool Events::_cursor_started = false;
-
+std::vector<uint> Events::codepoints;
-
+std::vector<int> Events::pressedKeys;
 
 int Events::initialize(){
 	_keys = new bool[1032];
@@ -61,5 +61,7 @@ void Events::pullEvents(){
 	_current++;
 	deltaX = 0.0f;
 	deltaY = 0.0f;
+	codepoints.clear();
+	pressedKeys.clear();
 	glfwPollEvents();
 }

src/window/Events.h

@@ -16,6 +16,8 @@ public:
 	static float y;
 	static bool _cursor_locked;
 	static bool _cursor_started;
+	static std::vector<uint> codepoints;
+	static std::vector<int> pressedKeys;
 
 	static int initialize();
 	static void finalize();

src/window/Window.cpp

@@ -4,7 +4,11 @@
 #include <GL/glew.h>
 #include <GLFW/glfw3.h>
 
+using glm::vec4;
+
 GLFWwindow* Window::window = nullptr;
+std::stack<vec4> Window::scissorStack;
+vec4 Window::scissorArea;
 uint Window::width = 0;
 uint Window::height = 0;
 
@@ -31,23 +35,33 @@ void mouse_button_callback(GLFWwindow*, int button, int action, int) {
 	}
 }
 
-void key_callback(GLFWwindow*, int key, int /*scancode*/, int action, int /*mode*/) {
+void key_callback(GLFWwindow*, int key, int scancode, int action, int /*mode*/) {
 	if (action == GLFW_PRESS) {
 		Events::_keys[key] = true;
 		Events::_frames[key] = Events::_current;
+		Events::pressedKeys.push_back(key);
 	}
 	else if (action == GLFW_RELEASE) {
 		Events::_keys[key] = false;
 		Events::_frames[key] = Events::_current;
 	}
+	else if (action == GLFW_REPEAT) {
+		Events::pressedKeys.push_back(key);
+	}
 }
 
 void window_size_callback(GLFWwindow*, int width, int height) {
 	glViewport(0, 0, width, height);
 	Window::width = width;
 	Window::height = height;
+	Window::resetScissor();
 }
 
+void character_callback(GLFWwindow* window, unsigned int codepoint){
+	Events::codepoints.push_back(codepoint);
+}
+
+
 int Window::initialize(uint width, uint height, const char* title, int samples){
 	glfwInit();
 	glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
@@ -75,7 +89,6 @@ int Window::initialize(uint width, uint height, const char* title, int samples){
 	glEnable(GL_DEPTH_TEST);
 	glEnable(GL_CULL_FACE);
 	glEnable(GL_BLEND);
-	glEnable(GL_MULTISAMPLE);
 	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 
 	Window::width = width;
@@ -86,6 +99,7 @@ int Window::initialize(uint width, uint height, const char* title, int samples){
 	glfwSetMouseButtonCallback(window, mouse_button_callback);
 	glfwSetCursorPosCallback(window, cursor_position_callback);
 	glfwSetWindowSizeCallback(window, window_size_callback);
+	glfwSetCharCallback(window, character_callback);
 	return 0;
 }
 
@@ -97,6 +111,42 @@ void Window::setCursorMode(int mode){
 	glfwSetInputMode(window, GLFW_CURSOR, mode);
 }
 
+void Window::resetScissor() {
+	scissorArea = vec4(0.0f, 0.0f, width, height);
+	scissorStack = std::stack<vec4>();
+	glDisable(GL_SCISSOR_TEST);
+}
+
+void Window::pushScissor(vec4 area) {
+	if (scissorStack.empty()) {
+		glEnable(GL_SCISSOR_TEST);
+	}
+	scissorStack.push(scissorArea);
+
+	area.x = fmax(area.x, scissorArea.x);
+	area.y = fmax(area.y, scissorArea.y);
+
+	area.z = fmin(area.z, scissorArea.z);
+	area.w = fmin(area.w, scissorArea.w);
+
+	glScissor(area.x, Window::height-area.y-area.w, area.z, area.w);
+	scissorArea = area;
+}
+
+void Window::popScissor() {
+	if (scissorStack.empty()) {
+		std::cerr << "warning: extra Window::popScissor call" << std::endl;
+		return;
+	}
+	vec4 area = scissorStack.top();
+	scissorStack.pop();
+	glScissor(area.x, Window::height-area.y-area.w, area.z, area.w);
+	if (scissorStack.empty()) {
+		glDisable(GL_SCISSOR_TEST);
+	}
+	scissorArea = area;
+}
+
 void Window::terminate(){
 	Events::finalize();
 	glfwTerminate();
@@ -116,4 +166,5 @@ void Window::swapInterval(int interval){
 
 void Window::swapBuffers(){
 	glfwSwapBuffers(window);
+	Window::resetScissor();
 }

src/window/Window.h

@@ -2,11 +2,17 @@
 #define WINDOW_WINDOW_H_
 
 #include "../typedefs.h"
+#include <stack>
+#include <vector>
+
+#include <glm/glm.hpp>
 
 class GLFWwindow;
 
 class Window {
 	static GLFWwindow* window;
+	static std::stack<glm::vec4> scissorStack;
+	static glm::vec4 scissorArea;
 public:
 	static uint width;
 	static uint height;
@@ -19,6 +25,10 @@ public:
 	static void setShouldClose(bool flag);
 	static void swapBuffers();
 	static void swapInterval(int interval);
+
+	static void pushScissor(glm::vec4 area);
+	static void popScissor();
+	static void resetScissor();
 };
 
 #endif /* WINDOW_WINDOW_H_ */