147 lines
4.5 KiB
C++
147 lines
4.5 KiB
C++
#include "InventoryView.h"
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#include <glm/glm.hpp>
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#include "BlocksPreview.h"
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#include "LevelFrontend.h"
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#include "../window/Events.h"
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#include "../assets/Assets.h"
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#include "../graphics/Atlas.h"
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#include "../graphics/Shader.h"
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#include "../graphics/Batch2D.h"
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#include "../graphics/GfxContext.h"
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#include "../content/Content.h"
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#include "../items/ItemDef.h"
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#include "../maths/voxmaths.h"
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#include "../objects/Player.h"
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#include "../voxels/Block.h"
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InventoryView::InventoryView(
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int columns,
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const Content* content,
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LevelFrontend* frontend,
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std::vector<itemid_t> items)
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: content(content),
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indices(content->getIndices()),
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items(items),
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frontend(frontend),
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columns(columns) {
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}
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InventoryView::~InventoryView() {
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}
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void InventoryView::setPosition(int x, int y) {
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position.x = x;
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position.y = y;
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}
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int InventoryView::getWidth() const {
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return columns * iconSize + (columns-1) * interval + padding.x * 2;
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}
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int InventoryView::getHeight() const {
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uint inv_rows = ceildiv(items.size(), columns);
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return inv_rows * iconSize + (inv_rows-1) * interval + padding.y * 2;
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}
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void InventoryView::setSlotConsumer(slotconsumer consumer) {
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this->consumer = consumer;
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}
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void InventoryView::setItems(std::vector<itemid_t> items) {
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this->items = items;
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}
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void InventoryView::actAndDraw(const GfxContext* ctx) {
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Assets* assets = frontend->getAssets();
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Shader* uiShader = assets->getShader("ui");
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auto viewport = ctx->getViewport();
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uint inv_w = getWidth();
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uint inv_h = getHeight();
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int xs = position.x + padding.x;
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int ys = position.y + padding.y;
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glm::vec4 tint (1.0f);
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int mx = Events::cursor.x;
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int my = Events::cursor.y;
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// background
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auto batch = ctx->getBatch2D();
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batch->texture(nullptr);
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batch->color = glm::vec4(0.0f, 0.0f, 0.0f, 0.5f);
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batch->rect(position.x, position.y, inv_w, inv_h);
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batch->render();
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// blocks & items
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if (Events::scroll) {
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scroll -= Events::scroll * (iconSize+interval);
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}
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scroll = std::min(scroll, int(inv_h-viewport.getHeight()));
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scroll = std::max(scroll, 0);
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auto blocksPreview = frontend->getBlocksPreview();
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// todo: optimize
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{
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Window::clearDepth();
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GfxContext subctx = ctx->sub();
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subctx.depthTest(true);
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subctx.cullFace(true);
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uint index = 0;
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for (uint i = 0; i < items.size(); i++) {
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ItemDef* item = indices->getItemDef(items[i]);
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int x = xs + (iconSize+interval) * (index % columns);
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int y = ys + (iconSize+interval) * (index / columns) - scroll;
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if (y < -int(iconSize+interval) || y >= int(viewport.getHeight())) {
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index++;
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continue;
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}
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if (mx > x && mx < x + (int)iconSize && my > y && my < y + (int)iconSize) {
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tint.r *= 1.2f;
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tint.g *= 1.2f;
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tint.b *= 1.2f;
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if (Events::jclicked(mousecode::BUTTON_1)) {
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if (consumer) {
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consumer(items[i]);
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}
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}
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} else {
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tint = glm::vec4(1.0f);
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}
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switch (item->iconType) {
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case item_icon_type::none:
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break;
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case item_icon_type::block: {
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Block* cblock = content->requireBlock(item->icon);
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blocksPreview->begin(&ctx->getViewport());
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blocksPreview->draw(cblock, x, y, iconSize, tint);
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break;
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}
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case item_icon_type::sprite: {
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batch->begin();
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uiShader->use();
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size_t index = item->icon.find(':');
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std::string name = item->icon.substr(index+1);
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UVRegion region(0.0f, 0.0, 1.0f, 1.0f);
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if (index == std::string::npos) {
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batch->texture(assets->getTexture(name));
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} else {
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std::string atlasname = item->icon.substr(0, index);
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Atlas* atlas = assets->getAtlas(atlasname);
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if (atlas && atlas->has(name)) {
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region = atlas->get(name);
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batch->texture(atlas->getTexture());
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}
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}
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batch->rect(x, y, 48, 48, 0, 0, 0, region, false, true, glm::vec4(1.0f));
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batch->render();
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break;
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}
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}
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index++;
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}
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}
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uiShader->use();
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}
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