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218
src/td/render/loader/WorldLoader.cpp
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218
src/td/render/loader/WorldLoader.cpp
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#include <td/render/loader/WorldLoader.h>
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#include <iostream>
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#include <string.h>
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#include <td/game/World.h>
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namespace td {
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namespace render {
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namespace WorldLoader {
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const static int POSITION_VERTEX_SIZE = 3;
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const static int TEXTURE_VERTEX_SIZE = 2;
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GL::VertexArray LoadWorldModel(const td::game::World* world) {
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std::vector<float> positions;
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std::vector<float> colors;
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for (const auto& chunkInfo : world->GetChunks()) {
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const td::game::ChunkCoord& coords = chunkInfo.first;
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td::game::ChunkPtr chunk = chunkInfo.second;
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std::int32_t chunkX = coords.x * td::game::Chunk::ChunkWidth;
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std::int32_t chunkY = coords.y * td::game::Chunk::ChunkHeight;
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for (int tileY = 0; tileY < td::game::Chunk::ChunkHeight; tileY++) {
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for (int tileX = 0; tileX < td::game::Chunk::ChunkWidth; tileX++) {
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int tileNumber = tileY * td::game::Chunk::ChunkWidth + tileX;
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td::game::TileIndex tileIndex = chunk->GetTileIndex(tileNumber);
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td::game::TilePtr tile = world->GetTilePtr(tileIndex);
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if (tile == nullptr)
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continue;
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positions.insert(
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positions.end(), {static_cast<float>(chunkX + tileX + 1), 0, static_cast<float>(chunkY + tileY),
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static_cast<float>(chunkX + tileX), 0, static_cast<float>(chunkY + tileY),
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static_cast<float>(chunkX + tileX), 0, static_cast<float>(chunkY + tileY + 1),
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static_cast<float>(chunkX + tileX + 1), 0, static_cast<float>(chunkY + tileY),
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static_cast<float>(chunkX + tileX), 0, static_cast<float>(chunkY + tileY + 1),
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static_cast<float>(chunkX + tileX + 1), 0, static_cast<float>(chunkY + tileY + 1)});
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const td::Color* tileColor = world->GetTileColor(tile);
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for (int i = 0; i < 6; i++) {
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int color = 255;
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color |= tileColor->r << 24;
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color |= tileColor->g << 16;
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color |= tileColor->b << 8;
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int newColorIndex = colors.size();
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colors.push_back(0);
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memcpy(colors.data() + newColorIndex, &color, 1 * sizeof(int));
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}
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}
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}
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}
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for (int spawnColor = 0; spawnColor < 2; spawnColor++) {
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const game::Spawn& spawn = world->GetTeam(TeamColor(spawnColor)).GetSpawn();
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float fromX = spawn.GetTopLeft().GetX(), toX = spawn.GetBottomRight().GetX();
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float fromY = spawn.GetTopLeft().GetY(), toY = spawn.GetBottomRight().GetY();
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positions.insert(positions.end(), {fromX, 0, fromY, fromX, 0, toY, toX, 0, fromY, fromX, 0, toY, toX, 0, toY, toX, 0, fromY});
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for (int i = 0; i < 6; i++) {
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int color = 255;
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color |= world->GetSpawnColor(TeamColor(spawnColor)).r << 24;
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color |= world->GetSpawnColor(TeamColor(spawnColor)).g << 16;
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color |= world->GetSpawnColor(TeamColor(spawnColor)).b << 8;
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int newColorIndex = colors.size();
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colors.push_back(0);
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memcpy(colors.data() + newColorIndex, &color, 1 * sizeof(int));
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}
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}
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for (int castleColor = 0; castleColor < 2; castleColor++) {
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const game::TeamCastle& castle = world->GetTeam(TeamColor(castleColor)).GetCastle();
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float fromX = castle.GetTopLeft().GetX(), toX = castle.GetBottomRight().GetX();
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float fromY = castle.GetTopLeft().GetY(), toY = castle.GetBottomRight().GetY();
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positions.insert(positions.end(), {fromX, 0, fromY, fromX, 0, toY, toX, 0, fromY, fromX, 0, toY, toX, 0, toY, toX, 0, fromY});
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for (int i = 0; i < 6; i++) {
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int color = 255;
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color |= world->GetSpawnColor(TeamColor(castleColor)).r << 24;
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color |= world->GetSpawnColor(TeamColor(castleColor)).g << 16;
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color |= world->GetSpawnColor(TeamColor(castleColor)).b << 8;
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int newColorIndex = colors.size();
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colors.push_back(0);
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memcpy(colors.data() + newColorIndex, &color, 1 * sizeof(int));
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}
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}
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GL::VertexBuffer positionVBO(positions, POSITION_VERTEX_SIZE);
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positionVBO.AddVertexAttribPointer(0, POSITION_VERTEX_SIZE, 0);
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GL::VertexBuffer colorVBO(colors, 1);
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colorVBO.AddVertexAttribPointer(1, 1, 0);
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std::vector<unsigned int> indexes(positions.size() / 3, 0);
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for (size_t i = 0; i < indexes.size(); i++) {
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indexes[i] = i + 1;
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}
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GL::ElementBuffer indexVBO(indexes);
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GL::VertexArray worldVao(std::move(indexVBO)); // each pos = 3 vertecies
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worldVao.Bind();
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worldVao.BindVertexBuffer(std::move(positionVBO));
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worldVao.BindVertexBuffer(std::move(colorVBO));
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worldVao.Unbind();
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return worldVao;
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}
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GL::VertexArray LoadTileSelectModel() {
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std::vector<float> positions = {
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-0.5f,
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-0.5f,
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-1.0f,
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0.5f,
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-0.5f,
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-1.0f,
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0.0f,
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0.5f,
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-1.0f,
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1,
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.01,
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1,
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0,
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.01,
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1,
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0,
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1,
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1,
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};
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int color = 255 << 24 | 255 << 16 | 255 << 8 | 150;
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float colorFloat;
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memcpy(reinterpret_cast<std::uint8_t*>(&colorFloat), &color, sizeof(float));
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std::vector<float> colors(6, colorFloat);
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GL::VertexBuffer positionVBO(positions, POSITION_VERTEX_SIZE);
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positionVBO.AddVertexAttribPointer(0, POSITION_VERTEX_SIZE, 0);
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GL::VertexBuffer colorVBO(colors, 1);
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colorVBO.AddVertexAttribPointer(1, 1, 0);
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std::vector<unsigned int> indexes(positions.size() / 3, 0);
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for (size_t i = 0; i < indexes.size(); i++) {
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indexes[i] = i + 1;
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}
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GL::ElementBuffer indexVBO(indexes);
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GL::VertexArray tileSelectVao(std::move(indexVBO));
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tileSelectVao.Bind();
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tileSelectVao.BindVertexBuffer(std::move(positionVBO));
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tileSelectVao.BindVertexBuffer(std::move(colorVBO));
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tileSelectVao.Unbind();
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return tileSelectVao;
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}
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RenderData LoadTowerModel(game::TowerPtr tower) {
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RenderData renderData;
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float towerX, towerDX;
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float towerY, towerDY;
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if (tower->GetSize() == game::TowerSize::Little) {
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towerX = tower->GetCenterX() - 1.5f;
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towerDX = tower->GetCenterX() + 1.5f;
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towerY = tower->GetCenterY() - 1.5f;
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towerDY = tower->GetCenterY() + 1.5f;
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} else {
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towerX = tower->GetCenterX() - 2.5f;
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towerDX = tower->GetCenterX() + 2.5f;
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towerY = tower->GetCenterY() - 2.5f;
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towerDY = tower->GetCenterY() + 2.5f;
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}
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std::vector<float> positions = {towerDX, 0.001, towerY, towerX, 0.001, towerY, towerX, 0.001, towerDY, towerDX, 0.001, towerY,
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towerX, 0.001, towerDY, towerDX, 0.001, towerDY};
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renderData.positions = positions;
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std::uint8_t towerType = static_cast<std::uint8_t>(tower->GetType());
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std::uint8_t r = 10 * towerType + 40, g = 5 * towerType + 30, b = 10 * towerType + 20;
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float colorFloat;
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int color = r << 24 | g << 16 | b << 8 | 255;
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memcpy(&colorFloat, &color, sizeof(int));
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std::vector<float> colors(6, colorFloat);
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renderData.colors = colors;
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return renderData;
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}
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} // namespace WorldLoader
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} // namespace render
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} // namespace td
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