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#include <inventory.hpp>
#include <common.hpp>
#include <events.hpp>
#include <texture.hpp>
#include <render.hpp>
#include <deque>
#include <tinyxml2.h>
using namespace tinyxml2;
constexpr const char* itemsPath = "config/items.xml";
struct Item {
std::string name;
std::string type;
int value;
int stackSize;
Texture sprite;
Item(void)
: value(0), stackSize(1) {}
Item(XMLElement *e) {
name = e->StrAttribute("name");
type = e->StrAttribute("type");
value = 0;
e->QueryIntAttribute("value", &value);
stackSize = 1;
e->QueryIntAttribute("maxStackSize", &stackSize);
sprite = Texture(e->StrAttribute("sprite"));
}
};
static std::deque<Item> itemList;
void InventorySystem::configure(entityx::EventManager &ev)
{
ev.subscribe<KeyDownEvent>(*this);
}
void InventorySystem::loadItems(void) {
XMLDocument doc;
doc.LoadFile(itemsPath);
auto item = doc.FirstChildElement("item");
if (item == nullptr)
UserError("No items found");
do {
itemList.emplace_back(item);
item = item->NextSiblingElement("item");
} while (item != nullptr);
}
void InventorySystem::update(entityx::EntityManager &en, entityx::EventManager &ev, entityx::TimeDelta dt)
{
(void)en;
(void)ev;
(void)dt;
}
void InventorySystem::render(void)
{
Render::textShader.use();
Render::textShader.enable();
Colors::black.use();
glUniform4f(Render::textShader.uniform[WU_tex_color], 1, 1, 1, .8);
// calculate positions
items.front().loc = vec2(offset.x - 35 * items.size(), offset.y - game::SCREEN_HEIGHT / 2);
for (unsigned int i = 1; i < items.size(); i++)
items[i].loc = vec2(items[i - 1].loc.x + 70, items[i - 1].loc.y);
// draw items
for (const auto& i : items) {
glVertexAttribPointer(Render::textShader.tex, 2, GL_FLOAT, GL_FALSE, 0, Colors::texCoord);
vec2 end = i.loc + 64;
GLfloat coords[18] = {
i.loc.x, i.loc.y, -9, end.x, i.loc.y, -9, end.x, end.y, -9,
end.x, end.y, -9, i.loc.x, end.y, -9, i.loc.x, i.loc.y, -9
};
glVertexAttribPointer(Render::textShader.coord, 3, GL_FLOAT, GL_FALSE, 0, coords);
glDrawArrays(GL_TRIANGLES, 0, 6);
}
glUniform4f(Render::textShader.uniform[WU_tex_color], 1, 1, 1, 1);
Render::textShader.disable();
Render::textShader.unuse();
}
void InventorySystem::receive(const KeyDownEvent &kde)
{
(void)kde;
}
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