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#include "gameMainSelector.h"
#include "collection.hpp"
#include "text.h"
#include "ui/uiComponent.h"
#include <SDL2/SDL.h>
#include <game/gamestate.h>
#include <game/geoData.h>
#include <game/selectable.h>
#include <game/worldobject.h> // IWYU pragma: keep
#include <gfx/gl/camera.h>
#include <optional>
#include <span>
#include <stream_support.hpp>
#include <typeinfo>
#include <vector>
GameMainSelector::GameMainSelector(const Camera * c, glm::vec2 size) : UIComponent {{{}, size}}, camera {c} { }
void
GameMainSelector::render(const UIShader & shader, const Position & pos) const
{
if (!clicked.empty()) {
Text {clicked, {{50, 10}, {0, 15}}, {1, 1, 0}}.render(shader, pos);
}
}
bool
GameMainSelector::handleInput(const SDL_Event & e, const Position &)
{
switch (e.type) {
case SDL_MOUSEBUTTONDOWN:
if (e.button.button == SDL_BUTTON_LEFT) {
const auto mouse = glm::vec2 {e.button.x, e.button.y} / position.size;
const auto ray = camera->unProject(mouse);
if (target) {
target->click(ray);
}
else {
defaultClick(ray);
}
return true;
}
break;
case SDL_MOUSEMOTION:
if (target && target->handleMove()) {
const auto mouse = glm::vec2 {e.motion.x, e.motion.y} / position.size;
const auto ray = camera->unProject(mouse);
target->move(ray);
return true;
}
break;
}
return false;
}
void
GameMainSelector::defaultClick(const Ray & ray)
{
glm::vec2 baryPos {};
float distance;
if (const auto selected
= gameState->world.applyOne<Selectable>(&Selectable::intersectRay, ray, &baryPos, &distance);
selected != gameState->world.end()) {
const auto & ref = *selected.base()->get();
clicked = typeid(ref).name();
}
else if (const auto pos = gameState->geoData->intersectRay(ray)) {
clicked = streamed_string(*pos);
}
else {
clicked.clear();
}
}
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