Restructure code

CMakeLists.txt

@@ -63,10 +63,15 @@ target_link_libraries(kekengine PUBLIC microtar_static)
 
 # Freetype
 find_package(PkgConfig REQUIRED)
+
 pkg_check_modules(FREETYPE REQUIRED freetype2)
 target_link_libraries(kekengine PUBLIC ${FREETYPE_LIBRARIES})
 target_include_directories(kekengine PUBLIC ${FREETYPE_INCLUDE_DIRS})
 
+pkg_check_modules(BULLET REQUIRED bullet)
+target_link_libraries(kekengine PUBLIC ${BULLET_LIBRARIES})
+target_include_directories(kekengine PUBLIC ${BULLET_INCLUDE_DIRS})
+
 if(UNIX)
 	target_link_libraries(kekengine PUBLIC glfw GLEW GL)
 

DEPENDENCIES.md

@@ -3,3 +3,4 @@
 - stb_image, stb_image_write
 - microtar (included)
 - openvr (SteamVR), if compiling with KEKENGINE_VR
+- bullet 3

src/kekengine/cpp/common/defaults.cpp

@@ -2,6 +2,7 @@
 #include "ui.h"
 #include "uielements.h"
 #include "internal.h"
+#include "internal/ui.h"
 
 namespace kek::Defaults {
 
@@ -92,7 +93,7 @@ static void defaultMouseCallback(GLFWwindow *window, double x, double y, void *d
 		case GLFWCursorMode::FREE:
 		case GLFWCursorMode::HIDDEN:
 		{
-			for(UIElement *element : kekData.uiElements) {
+			for(UIElement *element : kekData.ui->elements) {
 				UIPoint childPos = element->getPosition();
 				if(element->hoverAll(UIPoint((int) x - childPos.x, (int) y - childPos.y), UIPoint((int) x, (int) y))) break;
 			}
@@ -116,7 +117,7 @@ static void defaultMouseButtonCallback(GLFWwindow* window, int button, int actio
 				{
 					double x, y;
 					glfwGetCursorPos(window, &x, &y);
-					for(UIElement *element : kekData.uiElements) {
+					for(UIElement *element : kekData.ui->elements) {
 						UIPoint childPos = element->getPosition();
 						if(element->clickAll(UIPoint((int) x - childPos.x, (int) y - childPos.y), UIPoint((int) x, (int) y), (GLFWMouseButton) button)) break;
 					}
@@ -142,7 +143,7 @@ void init() {
 	Input::addMouseListener(MouseCallback(defaultMouseCallback, nullptr));
 	Input::addMouseButtonListener(MouseButtonCallback(defaultMouseButtonCallback, nullptr));
 
-	options = new ButtonElement(px(0), px(100), px(100), px(50));
+	options = new ButtonElement(uiPx(0), uiPx(100), uiPx(100), uiPx(50));
 	//UI::addElement(options);
 }
 

src/kekengine/cpp/common/engine.cpp

@@ -13,7 +13,6 @@
 #include <stb/stb_image.h>
 #include <stb/stb_image_write.h>
 
-#include "internal.h"
 #include "errordialog.h"
 #include "objparser.h"
 #include "resource.h"
@@ -25,6 +24,9 @@
 #include "ui.h"
 #include "uielements.h"
 
+#include "internal.h"
+#include "internal/ui.h"
+
 kek::KekData kek::kekData;
 
 namespace kek::Engine {
@@ -202,7 +204,7 @@ int init() {
 	UI::init();
 	Defaults::init();
 
-	fpsText = new TextElement(px(0), px(0));
+	fpsText = new TextElement(uiPx(0), uiPx(0));
 	UI::addElement(fpsText);
 
 	return KEK_SUCCESS;
@@ -312,7 +314,7 @@ int start() {
 		if(time != prevTime) fpsText->setText("FPS: " + std::to_string((int) floor(1.0f / kekData.lastFrameTime)) + " (" + std::to_string(kekData.lastFrameTime * 1000) + " ms)");
 		prevTime = time;
 
-		for(UIElement *uiEl : kekData.uiElements) {
+		for(UIElement *uiEl : kekData.ui->elements) {
 			UIPoint pos = uiEl->getPosition();
 			uiEl->drawAll(pos, uiProjection);
 		}

src/kekengine/cpp/common/input.cpp

@@ -92,11 +92,11 @@ GLFWKeyState getKeyState(KeyBinding binding) {
 
 void setCursorMode(GLFWCursorMode mode) {
 	glfwSetInputMode(kekData.window, GLFW_CURSOR, (int) mode);
-	kekData.uiCursorMode = mode;
+	kekData.cursorMode = mode;
 }
 
 GLFWCursorMode getCursorMode() {
-	return kekData.uiCursorMode;
+	return kekData.cursorMode;
 }
 
 KeyboardCapture captureKeyboardInput(KeyCharCallback charCallback, KeyCallback keyCallback, Callable uncaptureCallback) {

src/kekengine/cpp/physics/physics.cpp

@@ -0,0 +1,23 @@
+#include "physics.h"
+
+#include "internal.h"
+#include "internal/physics.h"
+
+namespace kek::Physics {
+
+void init() {
+	kekData.physics = new PhysicsData();
+
+	btDefaultCollisionConfiguration *collisionConf = new btDefaultCollisionConfiguration();
+	btCollisionDispatcher *dispatcher = new btCollisionDispatcher(collisionConf);
+	btBroadphaseInterface *overlappingPairCache = new btDbvtBroadphase();
+	btSequentialImpulseConstraintSolver *solver = new btSequentialImpulseConstraintSolver();
+	btDiscreteDynamicsWorld *world = new btDiscreteDynamicsWorld(dispatcher, overlappingPairCache, solver, collisionConf);
+	world->setGravity(btVector3(0, -10, 0));
+}
+
+void destroy() {
+	delete kekData.physics;
+}
+
+}

src/kekengine/cpp/ui/ui.cpp

@@ -3,6 +3,7 @@
 #include <bits/stdc++.h>
 
 #include "internal.h"
+#include "internal/ui.h"
 
 namespace kek {
 
@@ -258,23 +259,25 @@ UIElement *UIElement::dragEnterAll(UIPoint pos, UIPoint screenPos) {
 }
 
 void UI::init() {
-	kekData.uiDefaultFont = new Font(KEK_DEFAULT_FONT);
-	kekData.uiRectangleShader = new Shader("shader/rectangle/vertex.glsl", "shader/rectangle/fragment.glsl");
+	kekData.ui = new UIData();
+	kekData.ui->defaultFont = new Font(KEK_DEFAULT_FONT);
+	kekData.ui->rectangleShader = new Shader("shader/rectangle/vertex.glsl", "shader/rectangle/fragment.glsl");
 }
 
 void UI::destroy() {
-	delete kekData.uiDefaultFont;
-	delete kekData.uiRectangleShader;
+	delete kekData.ui->defaultFont;
+	delete kekData.ui->rectangleShader;
+	delete kekData.ui;
 }
 
 void UI::addElement(UIElement *element) {
-	kekData.uiElements.push_back(element);
+	kekData.ui->elements.push_back(element);
 }
 
 void UI::removeElement(UIElement *element) {
-	for(auto it = kekData.uiElements.begin(); it < kekData.uiElements.end(); it++) {
+	for(auto it = kekData.ui->elements.begin(); it < kekData.ui->elements.end(); it++) {
 		if(*it == element) {
-			kekData.uiElements.erase(it);
+			kekData.ui->elements.erase(it);
 			delete element;
 			break;
 		}
@@ -282,7 +285,7 @@ void UI::removeElement(UIElement *element) {
 }
 
 std::vector<UIElement *> UI::getElements() {
-	return kekData.uiElements;
+	return kekData.ui->elements;
 }
 
 }

src/kekengine/cpp/ui/uielements.cpp

@@ -3,6 +3,7 @@
 #include <glm/gtc/type_ptr.hpp>
 
 #include "internal.h"
+#include "internal/ui.h"
 
 namespace kek {
 
@@ -14,7 +15,7 @@ TextElement::TextElement(UIValue x, UIValue y, Font *font): UIElement(x, y) {
 	this->textBounds = TextBounds::SMALLEST;
 }
 
-TextElement::TextElement(UIValue x, UIValue y): TextElement(x, y, kekData.uiDefaultFont) {}
+TextElement::TextElement(UIValue x, UIValue y): TextElement(x, y, kekData.ui->defaultFont) {}
 
 TextElement::~TextElement() {
 	delete text;
@@ -139,14 +140,14 @@ UIBounds RectangleElement::getBounds() {
 }
 
 void RectangleElement::draw(UIPoint screenPos, glm::mat4 projection) {
-	kekData.uiRectangleShader->use();
+	kekData.ui->rectangleShader->use();
 
 	UIBounds offset = getBounds();
 
-	glUniformMatrix4fv(glGetUniformLocation(kekData.uiRectangleShader->id, "projection"), 1, GL_FALSE, glm::value_ptr(projection));
+	glUniformMatrix4fv(glGetUniformLocation(kekData.ui->rectangleShader->id, "projection"), 1, GL_FALSE, glm::value_ptr(projection));
 	glm::vec4 bounds = glm::vec4(offset.x + screenPos.x, offset.y + screenPos.y, uiToScreen(w), uiToScreen(h));
-	glUniform4fv(glGetUniformLocation(kekData.uiRectangleShader->id, "bounds"), 1, glm::value_ptr(bounds));
-	glUniform4fv(glGetUniformLocation(kekData.uiRectangleShader->id, "rectColor"), 1, color.valuePointer());
+	glUniform4fv(glGetUniformLocation(kekData.ui->rectangleShader->id, "bounds"), 1, glm::value_ptr(bounds));
+	glUniform4fv(glGetUniformLocation(kekData.ui->rectangleShader->id, "rectColor"), 1, color.valuePointer());
 
 	glBindVertexArray(vao);
 	glDrawArrays(GL_TRIANGLES, 0, 6);
@@ -155,7 +156,7 @@ void RectangleElement::draw(UIPoint screenPos, glm::mat4 projection) {
 ButtonElement::ButtonElement(UIValue x, UIValue y, UIValue w, UIValue h): RectangleElement(x, y, w, h) {
 	clickable = true;
 
-	text = new TextElement(pw(0.5), ph(0.5));
+	text = new TextElement(uiPw(0.5), uiPh(0.5));
 	text->origin = Origin::CENTER;
 	addChild(text);
 }

src/kekengine/include/internal.h

@@ -13,6 +13,9 @@
 
 namespace kek {
 
+struct PhysicsData;
+struct UIData;
+
 struct ActiveKeyboardCapture {
 	KeyboardCapture id = KEK_INVALID_ID;
 	KeyCharCallback charCallback;
@@ -43,11 +46,11 @@ struct KekData {
 
 	FT_Library freetype;
 
-	std::vector<UIElement *> uiElements;
-	Font *uiDefaultFont;
-	Shader *uiRectangleShader;
-	GLFWCursorMode uiCursorMode;
 	ActiveKeyboardCapture activeKeyboardCapture;
+	GLFWCursorMode cursorMode;
+
+	UIData *ui;
+	PhysicsData *physics;
 };
 
 extern KekData kekData;

src/kekengine/include/internal/physics.h

@@ -0,0 +1,11 @@
+#pragma once
+
+#include <btBulletDynamicsCommon.h>
+
+namespace kek {
+
+struct PhysicsData {
+	btDynamicsWorld *world;
+};
+
+}

src/kekengine/include/internal/ui.h

@@ -0,0 +1,11 @@
+#pragma once
+
+namespace kek {
+
+struct UIData {
+	std::vector<UIElement *> elements;
+	Font *defaultFont;
+	Shader *rectangleShader;
+};
+
+}

src/kekengine/include/kekengine.h

@@ -1,19 +1,23 @@
 #pragma once
 
 #include "camera.h"
+#include "color.h"
 #include "constants.h"
 #include "engine.h"
 #include "errordialog.h"
 #include "fonts.h"
 #include "gameobject.h"
+#include "input.h"
+#include "light.h"
 #include "mesh.h"
 #include "object.h"
 #include "objparser.h"
 #include "resource.h"
 #include "scene.h"
 #include "shader.h"
+#include "texture.h"
 #include "types.h"
 #include "ui.h"
-#include "unicode.h"
 #include "uielements.h"
+#include "unicode.h"
 #include "utils.h"

src/kekengine/include/physics.h

@@ -0,0 +1,8 @@
+#pragma once
+
+namespace kek::Physics {
+
+void init();
+void destroy();
+
+}

src/kekengine/include/ui.h

@@ -6,11 +6,11 @@
 #include "fonts.h"
 #include "input.h"
 
-#define px(val) UIValue(val, UIUnit::PIXELS)
-#define pw(val) UIValue(val, UIUnit::PARENT_WIDTH)
-#define ph(val) UIValue(val, UIUnit::PARENT_HEIGHT)
-#define sw(val) UIValue(val, UIUnit::SCREEN_WIDTH)
-#define sh(val) UIValue(val, UIUnit::SCREEN_HEIGHT)
+#define uiPx(val) UIValue(val, UIUnit::PIXELS)
+#define uiPw(val) UIValue(val, UIUnit::PARENT_WIDTH)
+#define uiPh(val) UIValue(val, UIUnit::PARENT_HEIGHT)
+#define uiSw(val) UIValue(val, UIUnit::SCREEN_WIDTH)
+#define uiSh(val) UIValue(val, UIUnit::SCREEN_HEIGHT)
 
 namespace kek {
 

src/kekgame/cpp/kekgame.cpp

@@ -76,7 +76,7 @@ int main(int argc, char **argv) {
 	Input::addKeyListener(KeyCallback(keyCallback, nullptr));
 	Input::addMouseButtonListener(MouseButtonCallback(mouseButtonCallback, nullptr));
 
-	button = new ButtonElement(px(10), px(100), px(200), px(50));
+	button = new ButtonElement(uiPx(10), uiPx(100), uiPx(200), uiPx(50));
 	button->text->color = Colors::BLACK;
 	button->color = Colors::WHITE;
 	button->hoverColor = Colors::GRAY;