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/*
* This file is part of FGGL.
*
* FGGL is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* FGGL is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along with FGGL.
* If not, see <https://www.gnu.org/licenses/>.
*/
//
// Created by webpigeon on 11/03/23.
//
#include "fggl/gui/model/structure.hpp"
#include "fggl/gui/fonts.hpp"
#include <algorithm>
#include <utility>
#include <string>
namespace fggl::gui::model {
math::vec2 calcTextBounds(const std::string& value, std::shared_ptr<FontFace> face) {
if ( face == nullptr ){
debug::warning("No preferred font sent, cowardly refusing to process text");
return {};
}
math::vec2 max{0, 0};
for (auto letter : value) {
auto metrics = face->metrics(letter);
max.x += metrics.size.x + (metrics.advance >> 6);
max.y = std::max(max.y, metrics.size.y);
}
return max;
}
inline math::vec2 calcBoxContrib(const Widget& widget, const std::string& name) {
return math::vec2{
widget.get_or_default<float>( name + "::left") + widget.get_or_default<float>(name + "::right"),
widget.get_or_default<float>( name + "::top" ) + widget.get_or_default<float>( name + "::bottom" )
};
}
void Widget::calcPrefSize(std::shared_ptr<FontFace> face) {
if ( !m_dirty ){
return;
}
auto padding = calcBoxContrib( *this, "padding");
auto border = calcBoxContrib( *this, "border");
auto content = math::vec2{0,0};
if (hasAttr("text")) {
content += calcTextBounds( get<std::string>("text"), std::move(face) );
}
m_cachedSize = padding + content + content;
debug::info("my preferred size is: ({}, {})", m_cachedSize.x, m_cachedSize.y);
m_dirty = false;
}
}
\ No newline at end of file
/*
* This file is part of FGGL.
*
* FGGL is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* FGGL is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along with FGGL.
* If not, see <https://www.gnu.org/licenses/>.
*/
//
// Created by webpigeon on 11/03/23.
//
#include "fggl/gui/renderer/renderer.hpp"
namespace fggl::gui::renderer {
constexpr int PADDING = 15;
void draw_box(gfx::Path2D &path, glm::vec2 topLeft, glm::vec2 bottomRight) {
path.moveTo({topLeft.x, topLeft.y});
path.pathTo({bottomRight.x, topLeft.y});
path.pathTo({bottomRight.x, bottomRight.y});
path.pathTo({topLeft.x, bottomRight.y});
path.pathTo({topLeft.x, topLeft.y});
}
void draw_border_patch(gfx::Paint& paint, Box& bounds, Box& size, math::vec3 colour) {
gfx::Path2D path({0,0});
path.colour(colour);
// draw edges
draw_box(path, {bounds.left + size.left, bounds.top}, {bounds.right - size.right, bounds.top + size.top} );
draw_box(path, {bounds.right - size.right, bounds.top + size.top}, {bounds.right, bounds.bottom - size.bottom} );
draw_box(path, {bounds.left + size.left, bounds.bottom - size.bottom}, {bounds.right - size.right, bounds.bottom} );
draw_box(path, {bounds.left, bounds.top + size.top}, {bounds.left + size.left, bounds.bottom - size.bottom} );
// draw-corners
draw_box(path, {bounds.left, bounds.top}, {bounds.left + size.left, bounds.top + size.top} );
draw_box(path, {bounds.right - size.right, bounds.top}, {bounds.right, bounds.top + size.top} );
draw_box(path, {bounds.left, bounds.bottom - size.bottom}, {bounds.left + size.left, bounds.bottom} );
draw_box(path, {bounds.right - size.right, bounds.bottom - size.bottom}, {bounds.right, bounds.bottom});
paint.fill(path);
}
void draw_border_solid(gfx::Paint& paint, Box& bounds, Box& size, math::vec3 colour) {
gfx::Path2D path({0,0});
path.colour(colour);
// draw edges
draw_box(path, {bounds.left, bounds.top}, {bounds.right, bounds.top + size.top} );
draw_box(path, {bounds.right - size.right, bounds.top + size.top}, {bounds.right, bounds.bottom - size.bottom} );
draw_box(path, {bounds.left, bounds.bottom - size.bottom}, {bounds.right, bounds.bottom} );
draw_box(path, {bounds.left, bounds.top + size.top}, {bounds.left + size.left, bounds.bottom - size.bottom} );
paint.fill(path);
}
void draw_background_solid(gfx::Paint& paint, Box& bounds, math::vec3 colour) {
gfx::Path2D path({0,0});
path.colour(colour);
draw_box(path, {bounds.left, bounds.top}, {bounds.right, bounds.bottom} );
paint.fill(path);
}
void layout(model::Widget& current) {
if ( current.isLeaf() ) {
// if the widget has a defined size, use that
if ( current.hasAttr("size") && !current.hasAttr("text") ) {
return;
}
// else, use the model's preferred size
auto preferred = current.preferredSize();
if ( preferred.has_value() ) {
current.set<math::vec2>("size", preferred.value() );
}
} else {
auto topPad = current.get_or_default<float>("border:top") + current.get_or_default<float>("padding::top");
auto leftPad = current.get_or_default<float>("border::left") + current.get_or_default<float>("padding::left");
math::vec2 size = {topPad, leftPad};
// layout all children
for ( auto& child : current ) {
layout(child);
auto childSize = child.get_or_default<math::vec2>("size");
size.x = std::max( childSize.x, size.x );
size.y += childSize.y;
child.set<math::vec2>("position", {leftPad, size.y});
}
// set our size based on that
current.set<math::vec2>("size", size );
}
}
void visit(const model::Widget& root, gfx::Paint& paint, Box offset) {
// get border size
auto border = get_box(root, "border");
// calculate box bounds
auto pos = get_vec2(root, "position");
auto size = get_vec2(root, "size");
auto bounds = getBounds(pos, size);
bounds.top += offset.top;
bounds.left += offset.left;
// deal with right hand size bounds
//bounds.right = std::min( size.x, offset.width() );
//bounds.right += offset.left;
// deal with bottom bounds
//bounds.bottom = std::min( size.y, offset.height() );
//bounds.bottom += offset.top;
auto background = bounds.trim(border);
draw_background_solid(paint, background, get_vec3_rgb(root, "colour"));
draw_border_patch(paint, bounds, border, get_vec3_rgb(root, "border::colour"));
auto padding = get_box(root, "padding");
background = background.trim(padding);
if ( root.hasAttr("text") ) {
auto text = root.get<std::string>("text");
paint.text(text, {background.left, background.top + PADDING});
}
for (const auto& child : root) {
visit(child, paint, background);
}
}
} // namespace fggl::gui:;renderer
\ No newline at end of file
......@@ -20,9 +20,9 @@
namespace fggl::gui {
void buttonBorder(gfx::Path2D &path, glm::vec2 pos, glm::vec2 size) {
void button_border(gfx::Path2D &path, glm::vec2 pos, glm::vec2 size) {
// outer box
path.colour({1.0f, 0.0f, 0.0f});
path.colour({1.0F, 0.0F, 0.0F});
path.pathTo({pos.x + size.x, pos.y});
path.pathTo({pos.x + size.x, pos.y + size.y});
path.pathTo({pos.x, pos.y + size.y});
......@@ -32,7 +32,7 @@ namespace fggl::gui {
math::vec2 innerTop{pos.x + 5, pos.y + 5};
math::vec2 innerBottom{pos.x + size.x - 5, pos.y + size.y - 5};
path.colour({1.0f, 1.0f, 0.0f});
path.colour({1.0F, 1.0F, 0.0F});
path.moveTo({innerTop.x, innerTop.y});
path.pathTo({innerBottom.x, innerTop.y});
path.pathTo({innerBottom.x, innerBottom.y});
......@@ -52,7 +52,7 @@ namespace fggl::gui {
const auto bottomRight{topLeft + size};
// background
path.colour({0.5f, 0.5f, 0.5f});
path.colour({0.5F, 0.5F, 0.5F});
draw_box(path, topLeft, bottomRight);
// fill
......@@ -65,13 +65,13 @@ namespace fggl::gui {
innerBottom.x = innerTop.x + barWidth;
// draw the bar
path.colour({0.8f, 0.0f, 0.0f});
path.colour({0.8F, 0.0F, 0.0F});
draw_box(path, innerTop, innerBottom);
// part of the bar that's not filled in
math::vec2 emptyTop{innerBottom.x, innerTop.y};
math::vec2 emptyBottom{trueBottom, innerBottom.y};
path.colour({0.4f, 0.0f, 0.0f});
path.colour({0.4F, 0.0F, 0.0F});
draw_box(path, emptyTop, emptyBottom);
}
......@@ -90,7 +90,7 @@ namespace fggl::gui {
math::vec2 selectorTop{innerTop.x + selectorValue - (selectorWidth / 2), topLeft.y};
math::vec2 selectorBottom{selectorTop.x + selectorWidth, bottomRight.y};
path.colour({1.0f, 1.0f, 1.0f});
path.colour({1.0F, 1.0F, 1.0F});
draw_box(path, selectorTop, selectorBottom);
}
......@@ -101,18 +101,18 @@ namespace fggl::gui {
math::vec2 innerTop{pos.x + 5, pos.y + 5};
math::vec2 innerBottom{pos.x + size.x - 5, pos.y + size.y - 5};
math::vec3 baseColour{0.5f, 0.5f, 0.5f};
math::vec3 baseColour{0.5F, 0.5F, 0.5F};
if (active) {
baseColour *= 1.2f;
baseColour *= 1.2F;
}
if (pressed) {
baseColour *= 0.8f;
baseColour *= 0.8F;
}
math::vec3 lightColour{baseColour * 1.2f};
math::vec3 darkColour{baseColour * 0.8f};
math::vec3 lightColour{baseColour * 1.2F};
math::vec3 darkColour{baseColour * 0.8F};
if (pressed) {
// flip light and dark for selected buttons
auto tmp = darkColour;
......
......@@ -55,7 +55,7 @@ namespace fggl::gui {
m_label.size(topLeft(), size());
}
std::string Button::label() const {
auto Button::label() const -> std::string {
return m_label.text();
}
......
......@@ -27,10 +27,10 @@ namespace fggl::input {
// see https://asliceofrendering.com/camera/2019/11/30/ArcballCamera/
auto &camTransform = ecs.get<fggl::math::Transform>(cam);
auto &camComp = ecs.get<fggl::gfx::Camera>(cam);
auto &mouse = input.mouse;
const auto &mouse = input.mouse;
glm::vec4 position(camTransform.origin(), 1.0f);
glm::vec4 pivot(camComp.target, 1.0f);
glm::vec4 position(camTransform.origin(), 1.0F);
glm::vec4 pivot(camComp.target, 1.0F);
glm::mat4 view = glm::lookAt(camTransform.origin(), camComp.target, camTransform.up());
glm::vec3 viewDir = -glm::transpose(view)[2];
glm::vec3 rightDir = glm::transpose(view)[0];
......@@ -41,12 +41,12 @@ namespace fggl::input {
float yAngle = (-mouse.axisDelta(fggl::input::MouseAxis::Y)) * deltaAngleY;
// rotate the camera around the pivot on the first axis
glm::mat4x4 rotationMatrixX(1.0f);
glm::mat4x4 rotationMatrixX(1.0F);
rotationMatrixX = glm::rotate(rotationMatrixX, xAngle, fggl::math::UP);
position = (rotationMatrixX * (position - pivot)) + pivot;
// rotate the camera aroud the pivot on the second axis
glm::mat4x4 rotationMatrixY(1.0f);
// rotate the camera around the pivot on the second axis
glm::mat4x4 rotationMatrixY(1.0F);
rotationMatrixY = glm::rotate(rotationMatrixY, yAngle, rightDir);
glm::vec3 finalPos = (rotationMatrixY * (position - pivot)) + pivot;
......@@ -66,17 +66,17 @@ namespace fggl::input {
glm::vec3 motion(0.0F);
float delta = input.mouse.axis(fggl::input::MouseAxis::SCROLL_Y);
if ((glm::length(dir) < maxZoom && delta < 0.0f) || (glm::length(dir) > minZoom && delta > 0.0f)) {
if ((glm::length(dir) < maxZoom && delta < 0.0F) || (glm::length(dir) > minZoom && delta > 0.0F)) {
motion -= (forward * delta);
camTransform.origin(camTransform.origin() + motion);
}
}
void process_freecam(entity::EntityManager &ecs, const Input &input, entity::EntityID cam) {
float rotationValue = 0.0f;
glm::vec3 translation(0.0f);
float rotationValue = 0.0F;
glm::vec3 translation(0.0F);
auto &keyboard = input.keyboard;
const auto &keyboard = input.keyboard;
auto &settings = ecs.get<FreeCamKeys>(cam);
// calculate rotation (user input)
......@@ -107,24 +107,24 @@ namespace fggl::input {
auto camTransform = ecs.get<fggl::math::Transform>(cam);
auto camComp = ecs.get<fggl::gfx::Camera>(cam);
glm::vec4 position(camTransform.origin(), 1.0f);
glm::vec4 pivot(camComp.target, 1.0f);
glm::vec4 position(camTransform.origin(), 1.0F);
glm::vec4 pivot(camComp.target, 1.0F);
// apply movement
if (translation != glm::vec3(0.0f)) {
if (translation != glm::vec3(0.0F)) {
const auto rotation = (position - pivot);
const float angle = atan2f(rotation.x, rotation.z);
const auto rotationMat = glm::rotate(MAT_IDENTITY, angle, fggl::math::UP);
auto deltaMove = (rotationMat * glm::vec4(translation, 1.0f)) * PAN_SPEED;
deltaMove.w = 0.0f;
auto deltaMove = (rotationMat * glm::vec4(translation, 1.0F)) * PAN_SPEED;
deltaMove.w = 0.0F;
position += deltaMove;
pivot += deltaMove;
}
// apply rotation
if (rotationValue != 0.0f) {
if (rotationValue != 0.0F) {
glm::mat4 rotation = glm::rotate(MAT_IDENTITY, rotationValue, fggl::math::UP);
position = (rotation * (position - pivot)) + pivot;
}
......@@ -134,24 +134,24 @@ namespace fggl::input {
}
void process_edgescroll(entity::EntityManager &ecs, const Input &input, entity::EntityID cam) {
glm::vec3 translation(0.0f);
glm::vec3 translation(0.0F);
auto &mouse = input.mouse;
const auto &mouse = input.mouse;
// calculate movement (user input)
if (mouse.axis(MouseAxis::Y) < 0.9f) {
if (mouse.axis(MouseAxis::Y) < 0.9F) {
translation -= fggl::math::RIGHT;
}
if (mouse.axis(MouseAxis::Y) > -0.9f) {
if (mouse.axis(MouseAxis::Y) > -0.9F) {
translation += fggl::math::RIGHT;
}
if (mouse.axis(MouseAxis::X) > -0.9f) {
if (mouse.axis(MouseAxis::X) > -0.9F) {
translation += fggl::math::FORWARD;
}
if (mouse.axis(MouseAxis::X) < 0.9f) {
if (mouse.axis(MouseAxis::X) < 0.9F) {
translation -= fggl::math::FORWARD;
}
......@@ -159,17 +159,17 @@ namespace fggl::input {
auto &camTransform = ecs.get<fggl::math::Transform>(cam);
auto &camComp = ecs.get<fggl::gfx::Camera>(cam);
glm::vec4 position(camTransform.origin(), 1.0f);
glm::vec4 pivot(camComp.target, 1.0f);
glm::vec4 position(camTransform.origin(), 1.0F);
glm::vec4 pivot(camComp.target, 1.0F);
// apply movement
if (translation != glm::vec3(0.0f)) {
if (translation != glm::vec3(0.0F)) {
const auto rotation = (position - pivot);
const float angle = atan2f(rotation.x, rotation.z);
const auto rotationMat = glm::rotate(MAT_IDENTITY, angle, fggl::math::UP);
auto deltaMove = (rotationMat * glm::vec4(translation, 1.0f)) * PAN_SPEED;
deltaMove.w = 0.0f;
auto deltaMove = (rotationMat * glm::vec4(translation, 1.0F)) * PAN_SPEED;
deltaMove.w = 0.0F;
position += deltaMove;
pivot += deltaMove;
......
......@@ -22,22 +22,12 @@ namespace fggl::math::phs3d {
max = {-FLT_MAX, -FLT_MAX, -FLT_MAX};
}
void AABB::add(const math::vec3 &p) {
if (p.x < min.x)
min.x = p.x;
if (p.x > max.x)
max.x = p.x;
if (p.y < min.y)
min.y = p.y;
if (p.y > min.y)
max.y = p.y;
if (p.z < min.z)
min.z = p.z;
if (p.z > max.z)
max.z = p.z;
void AABB::add(const math::vec3 &point) {
min = minElm(min, point);
max = maxElm(max, point);
}
AABB AABB::fromPoints(const std::vector<math::vec3> &points) {
auto AABB::fromPoints(const std::vector<math::vec3> &points) -> AABB {
AABB box;
for (const auto &point : points) {
box.add(point);
......@@ -52,7 +42,7 @@ namespace fggl::math::phs3d {
// this feels like something that should be vectorizable...
for (int i = 0; i < 3; i++) {
for (int j = 0; j < 3; j++) {
if (m[i][j] > 0.0f) {
if (m[i][j] > 0.0F) {
min[j] += m[i][j] * other.min[j];
max[j] += m[i][j] * other.max[j];
} else {
......@@ -63,7 +53,7 @@ namespace fggl::math::phs3d {
}
}
Plane Plane::fromPoints(const math::vec3 p1, const math::vec3 p2, const math::vec3 p3) {
auto Plane::fromPoints(const math::vec3 p1, const math::vec3 p2, const math::vec3 p3) -> Plane {
const auto e3 = p2 - p1;
const auto e1 = p3 - p2;
auto normal = glm::normalize(glm::cross(e3, e1));
......@@ -71,7 +61,7 @@ namespace fggl::math::phs3d {
return {normal, d};
}
static math::vec3 bestFitNormal(const std::vector<math::vec3> &points) {
static auto bestFitNormal(const std::vector<math::vec3> &points) -> math::vec3 {
assert(!points.empty());
math::vec3 result;
......@@ -90,9 +80,9 @@ namespace fggl::math::phs3d {
return glm::normalize(result);
};
static float bestFitD(const std::vector<math::vec3> &points, glm::vec3 normal) {
static auto bestFitD(const std::vector<math::vec3> &points, glm::vec3 normal) -> float {
math::vec3 sum;
for (auto &point : points) {
for (const auto &point : points) {
sum += point;
}
sum *= 1.0F / points.size();
......@@ -108,7 +98,7 @@ namespace fggl::math::phs3d {
const char b;
};
static bary_axis baryCalcAxis(const math::vec3 &normal) {
static auto baryCalcAxis(const math::vec3 &normal) -> bary_axis {
if ((fabs(normal.x) >= fabs(normal.y)) && (fabs(normal.x) >= fabs(normal.z))) {
// discard x
return {Y, Z};
......@@ -121,7 +111,7 @@ namespace fggl::math::phs3d {
}
}
bool Triangle::CartToBarycentric(const math::vec3 &cart, Barycentric &outVal) {
auto Triangle::CartToBarycentric(const math::vec3 &cart, Barycentric &outVal) -> bool {
// everything is const because I'm paying the compiler is smarter than me...
const auto d1 = v[1] - v[0];
......@@ -144,19 +134,19 @@ namespace fggl::math::phs3d {
const float v4 = cart[ax.b] - v[2][ax.b];
const float denom = v1 * u2 - v2 * u1;
if (denom == 0.0f) {
if (denom == 0.0F) {
return false;
}
// finally, we can work it out
const float oneOverDenom = 1.0f / denom;
const float oneOverDenom = 1.0F / denom;
outVal.b[0] = (v4 * u2 - v2 * u4) * oneOverDenom;
outVal.b[1] = (v1 * u3 - v3 * u1) * oneOverDenom;
outVal.b[2] = 1.0f - outVal.b[0] - outVal.b[1];
outVal.b[2] = 1.0F - outVal.b[0] - outVal.b[1];
return true;
}
bool Triangle::CartToBarycentric2(const math::vec3 &cart, Barycentric &outVal) {
auto Triangle::CartToBarycentric2(const math::vec3 &cart, Barycentric &outVal) -> bool {
const auto e1 = v[2] - v[1];
const auto e2 = v[0] - v[2];
const auto e3 = v[1] - v[0];
......@@ -167,7 +157,7 @@ namespace fggl::math::phs3d {
const auto normal = glm::normalize(glm::cross(e1, e2));
const auto denom = glm::dot(glm::cross(e1, e2), normal);
assert(denom != 0.0f);
assert(denom != 0.0F);
outVal.b[0] = glm::dot(glm::cross(e1, d3), normal) / denom;
outVal.b[1] = glm::dot(glm::cross(e2, d1), normal) / denom;
......
......@@ -13,7 +13,6 @@
*/
#include "fggl/math/triangulation.hpp"
#include <iostream>
namespace fggl::math {
......@@ -29,7 +28,7 @@ namespace fggl::math {
// deal with the indices
const auto nTris = polygon.size() - 2;
for (auto i = 0u; i < nTris; i++) {
for (auto i = 0U; i < nTris; i++) {
mesh.add_index(firstIdx);
mesh.add_index(prevIdx);
......
......@@ -20,7 +20,7 @@
namespace fggl::phys {
bool NullPhysics::factory(modules::ModuleService serviceName, modules::Services &serviceManager) {
auto NullPhysics::factory(modules::ServiceName serviceName, modules::Services &serviceManager) -> bool {
if (serviceName == phys::PhysicsProvider::service) {
serviceManager.bind<phys::PhysicsProvider, NullPhysicsProvider>();
return true;
......
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......@@ -28,7 +28,7 @@ namespace fggl::scenes {
m_input = app.service<input::Input>();
}
void GameBase::update(float dt) {
void GameBase::update(float /*dt*/) {
// detect the user quitting
if (m_input != nullptr) {
bool escapePressed = m_input->keyboard.pressed(glfwGetKeyScancode(GLFW_KEY_ESCAPE));
......@@ -59,7 +59,7 @@ namespace fggl::scenes {
m_world.reset();
}
void Game::update(float dt) {
void Game::update(float /*dt*/) {
assert(m_world && "called game update, but there was no world - was activate called?");
if (m_input != nullptr) {
......@@ -67,18 +67,23 @@ namespace fggl::scenes {
if (escapePressed) {
m_owner.change_state(m_previous);
}
if ( m_input->keyboard.pressed(glfwGetKeyScancode(GLFW_KEY_F2)) ) {
m_debug = !m_debug;
}
}
if (m_phys != nullptr) {
m_phys->step();
}
// debug render toggle
//m_world->reapEntities();
}
void Game::render(fggl::gfx::Graphics &gfx) {
if (m_world != nullptr) {
gfx.drawScene(*m_world);
gfx.drawScene(*m_world, m_debug);
}
}
......
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