470 lines
15 KiB
C++
470 lines
15 KiB
C++
// Copyright (C) 2015 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Graphics module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/Graphics/TileMap.hpp>
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#include <Nazara/Core/Error.hpp>
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#include <memory>
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#include <Nazara/Graphics/Debug.hpp>
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namespace Nz
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{
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/*!
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* \brief Constructs a TileMap object, containing mapSize tileSize-sized tiles
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*
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* \param mapSize Number of tiles in each dimension, must be
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* \param tileSize Size of each tile of the TileMap
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* \param materialCount The maximum number of differents Material this TileMap will use
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*
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* \remark When constructed, a TileMap has no tile active and will not be rendered
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* To use it, you have to enable some tiles.
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*
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* \remark The default material is used for every material requested
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*/
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inline TileMap::TileMap(const Nz::Vector2ui& mapSize, const Nz::Vector2f& tileSize, std::size_t materialCount) :
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m_tiles(mapSize.x * mapSize.y),
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m_layers(materialCount),
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m_mapSize(mapSize),
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m_tileSize(tileSize),
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m_isometricModeEnabled(false)
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{
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NazaraAssert(m_tiles.size() != 0U, "Invalid map size");
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NazaraAssert(m_tileSize.x != 0U && m_tileSize.y != 0U, "Invalid tile size");
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NazaraAssert(m_layers.size() != 0U, "Invalid material count");
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for (Layer& layer : m_layers)
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layer.material = Material::GetDefault();
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InvalidateBoundingVolume();
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}
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/*!
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* \brief Disable the tile at position tilePos, disabling rendering at this location
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*
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* \param tilePos Position of the tile to disable
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*
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* \see DisableTiles
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*/
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inline void TileMap::DisableTile(const Vector2ui& tilePos)
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{
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NazaraAssert(tilePos.x < m_mapSize.x && tilePos.y < m_mapSize.y, "Tile position is out of bounds");
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std::size_t tileIndex = tilePos.y * m_mapSize.x + tilePos.x;
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Tile& tile = m_tiles[tileIndex];
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tile.enabled = false;
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m_layers[tile.layerIndex].tiles.erase(tileIndex);
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InvalidateInstanceData(1U << tile.layerIndex);
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}
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/*!
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* \brief Disable all tiles
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*/
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inline void TileMap::DisableTiles()
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{
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for (Tile& tile : m_tiles)
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tile.enabled = false;
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for (Layer& layer : m_layers)
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layer.tiles.clear();
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InvalidateInstanceData(0xFFFFFFFF);
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}
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/*!
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* \brief Disable tileCount tiles at positions contained at tilesPos location, disabling rendering at those locations
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*
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* This is equivalent to calling tileCount times DisableTile with the positions contained at tilesPos
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*
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* \param tilesPos Pointer to a valid array of at least tileCount positions
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* \param tileCount Number of tiles to disable
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*
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* \remark if tileCount is zero, this is a no-op and the value of tilesPos is not used
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*
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* \see DisableTile
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*/
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inline void TileMap::DisableTiles(const Vector2ui* tilesPos, std::size_t tileCount)
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{
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NazaraAssert(tilesPos || tileCount == 0, "Invalid tile position array with a non-zero tileCount");
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UInt32 invalidatedLayers = 0;
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for (std::size_t i = 0; i < tileCount; ++i)
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{
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NazaraAssert(tilesPos->x < m_mapSize.x && tilesPos->y < m_mapSize.y, "Tile position is out of bounds");
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std::size_t tileIndex = tilesPos->y * m_mapSize.x + tilesPos->x;
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Tile& tile = m_tiles[tileIndex];
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tile.enabled = false;
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m_layers[tile.layerIndex].tiles.erase(tileIndex);
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invalidatedLayers |= 1U << tile.layerIndex;
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tilesPos++;
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}
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if (tileCount > 0)
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InvalidateInstanceData(invalidatedLayers);
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}
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/*!
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* \brief Enable/Disable isometric mode
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*
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* If enabled, every odd line will overlap by half the tile size with the upper line
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*
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* \param isometric Should the isometric mode be enabled for this TileMap
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*
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* \see IsIsometricModeEnabled
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*/
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inline void TileMap::EnableIsometricMode(bool isometric)
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{
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m_isometricModeEnabled = isometric;
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InvalidateInstanceData(0xFFFFFFFF);
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}
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/*!
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* \brief Enable and sets the tile at position tilePos
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*
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* Setup the tile at position tilePos using color, normalized coordinates coords and materialIndex
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*
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* \param tilePos Position of the tile to enable
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* \param coords Normalized coordinates ([0..1]) used to specify which region of the material textures will be used
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* \param color The multiplicative color applied to the tile
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* \param materialIndex The material which will be used for rendering this tile
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*
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* \see EnableTiles
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*/
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inline void TileMap::EnableTile(const Vector2ui& tilePos, const Rectf& coords, const Color& color, std::size_t materialIndex)
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{
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NazaraAssert(tilePos.x < m_mapSize.x && tilePos.y < m_mapSize.y, "Tile position is out of bounds");
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NazaraAssert(materialIndex < m_layers.size(), "Material out of bounds");
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UInt32 invalidatedLayers = 1U << materialIndex;
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std::size_t tileIndex = tilePos.y * m_mapSize.x + tilePos.x;
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Tile& tile = m_tiles[tilePos.y * m_mapSize.x + tilePos.x];
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if (!tile.enabled)
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m_layers[materialIndex].tiles.insert(tileIndex);
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else if (materialIndex != tile.layerIndex)
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{
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m_layers[materialIndex].tiles.erase(tileIndex);
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m_layers[tile.layerIndex].tiles.insert(tileIndex);
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invalidatedLayers |= 1U << tile.layerIndex;
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}
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tile.enabled = true;
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tile.color = color;
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tile.textureCoords = coords;
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tile.layerIndex = materialIndex;
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InvalidateInstanceData(invalidatedLayers);
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}
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/*!
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* \brief Enable and sets the tile at position tilePos
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*
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* Setup the tile at position tilePos using color, unnormalized coordinates rect and materialIndex
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*
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* \param tilePos Position of the tile to enable
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* \param coords Unnormalized coordinates ([0..size]) used to specify which region of the material textures will be used
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* \param color The multiplicative color applied to the tile
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* \param materialIndex The material which will be used for rendering this tile
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*
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* \remark The material at [materialIndex] must have a valid diffuse map before using this function,
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* as the size of the material diffuse map is used to compute normalized texture coordinates before returning.
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*
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* \see EnableTiles
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*/
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inline void TileMap::EnableTile(const Vector2ui& tilePos, const Rectui& rect, const Color& color, std::size_t materialIndex)
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{
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NazaraAssert(materialIndex < m_layers.size(), "Material out of bounds");
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NazaraAssert(m_layers[materialIndex].material->HasDiffuseMap(), "Material has no diffuse map");
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Texture* diffuseMap = m_layers[materialIndex].material->GetDiffuseMap();
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float invWidth = 1.f / diffuseMap->GetWidth();
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float invHeight = 1.f / diffuseMap->GetHeight();
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Rectf unnormalizedCoords(invWidth * rect.x, invHeight * rect.y, invWidth * rect.width, invHeight * rect.height);
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EnableTile(tilePos, unnormalizedCoords, color, materialIndex);
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}
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/*!
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* \brief Enable and sets all the tiles
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*
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* Setup all tiles using color, normalized coordinates coords and materialIndex
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*
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* \param coords Normalized coordinates ([0..1]) used to specify which region of the material textures will be used
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* \param color The multiplicative color applied to the tile
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* \param materialIndex The material which will be used for rendering this tile
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*
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* \remark The material at [materialIndex] must have a valid diffuse map before using this function,
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* as the size of the material diffuse map is used to compute normalized texture coordinates before returning.
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*
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* \see EnableTile
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*/
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inline void TileMap::EnableTiles(const Rectf& coords, const Color& color, std::size_t materialIndex)
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{
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NazaraAssert(materialIndex < m_layers.size(), "Material out of bounds");
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for (Layer& layer : m_layers)
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layer.tiles.clear();
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std::size_t tileIndex = 0;
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for (Tile& tile : m_tiles)
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{
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tile.enabled = true;
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tile.color = color;
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tile.textureCoords = coords;
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tile.layerIndex = materialIndex;
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m_layers[materialIndex].tiles.insert(tileIndex++);
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}
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InvalidateInstanceData(0xFFFFFFFF);
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}
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/*!
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* \brief Enable and sets all the tiles
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*
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* Setup all tiles using color, unnormalized coordinates coords and materialIndex
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*
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* \param coords Unnormalized coordinates ([0..size]) used to specify which region of the material textures will be used
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* \param color The multiplicative color applied to the tile
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* \param materialIndex The material which will be used for rendering this tile
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*
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* \remark The material at [materialIndex] must have a valid diffuse map before using this function,
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* as the size of the material diffuse map is used to compute normalized texture coordinates before returning.
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*
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* \see EnableTile
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*/
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inline void TileMap::EnableTiles(const Rectui& rect, const Color& color, std::size_t materialIndex)
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{
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NazaraAssert(materialIndex < m_layers.size(), "Material out of bounds");
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Texture* diffuseMap = m_layers[materialIndex].material->GetDiffuseMap();
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float invWidth = 1.f / diffuseMap->GetWidth();
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float invHeight = 1.f / diffuseMap->GetHeight();
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Rectf unnormalizedCoords(invWidth * rect.x, invHeight * rect.y, invWidth * rect.width, invHeight * rect.height);
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EnableTiles(unnormalizedCoords, color, materialIndex);
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}
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/*!
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* \brief Enable and sets tileCount tiles at positions contained at tilesPos location, enabling rendering at those locations
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*
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* Setup all tiles using color, normalized coordinates coords and materialIndex
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*
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* \param tilesPos Pointer to a valid array of at least tileCount positions
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* \param tileCount Number of tiles to enable
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* \param coords Normalized coordinates ([0..1]) used to specify which region of the material textures will be used
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* \param color The multiplicative color applied to the tile
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* \param materialIndex The material which will be used for rendering this tile
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*
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* \see EnableTile
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*/
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inline void TileMap::EnableTiles(const Vector2ui* tilesPos, std::size_t tileCount, const Rectf& coords, const Color& color, std::size_t materialIndex)
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{
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NazaraAssert(tilesPos || tileCount == 0, "Invalid tile position array with a non-zero tileCount");
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NazaraAssert(materialIndex < m_layers.size(), "Material out of bounds");
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UInt32 invalidatedLayers = 1U << materialIndex;
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for (std::size_t i = 0; i < tileCount; ++i)
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{
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NazaraAssert(tilesPos->x < m_mapSize.x && tilesPos->y < m_mapSize.y, "Tile position is out of bounds");
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std::size_t tileIndex = tilesPos->y * m_mapSize.x + tilesPos->x;
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Tile& tile = m_tiles[tileIndex];
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if (!tile.enabled)
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m_layers[materialIndex].tiles.insert(tileIndex);
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else if (materialIndex != tile.layerIndex)
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{
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m_layers[materialIndex].tiles.erase(tileIndex);
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m_layers[tile.layerIndex].tiles.insert(tileIndex);
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invalidatedLayers |= 1U << tile.layerIndex;
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}
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tile.enabled = true;
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tile.color = color;
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tile.textureCoords = coords;
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tile.layerIndex = materialIndex;
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tilesPos++;
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}
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if (tileCount > 0)
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InvalidateInstanceData(invalidatedLayers);
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}
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/*!
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* \brief Enable and sets tileCount tiles at positions contained at tilesPos location, enabling rendering at those locations
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*
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* Setup all tiles using color, unnormalized coordinates coords and materialIndex
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*
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* \param tilesPos Pointer to a valid array of at least tileCount positions
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* \param tileCount Number of tiles to enable
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* \param coords Unnormalized coordinates ([0..size]) used to specify which region of the material textures will be used
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* \param color The multiplicative color applied to the tile
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* \param materialIndex The material which will be used for rendering this tile
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*
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* \remark The material at [materialIndex] must have a valid diffuse map before using this function,
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* as the size of the material diffuse map is used to compute normalized texture coordinates before returning.
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*
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* \see EnableTile
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*/
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inline void TileMap::EnableTiles(const Vector2ui* tilesPos, std::size_t tileCount, const Rectui& rect, const Color& color, std::size_t materialIndex)
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{
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NazaraAssert(materialIndex < m_layers.size(), "Material out of bounds");
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NazaraAssert(m_layers[materialIndex].material->HasDiffuseMap(), "Material has no diffuse map");
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Texture* diffuseMap = m_layers[materialIndex].material->GetDiffuseMap();
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float invWidth = 1.f / diffuseMap->GetWidth();
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float invHeight = 1.f / diffuseMap->GetHeight();
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Rectf unnormalizedCoords(invWidth * rect.x, invHeight * rect.y, invWidth * rect.width, invHeight * rect.height);
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EnableTiles(tilesPos, tileCount, unnormalizedCoords, color, materialIndex);
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}
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/*!
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* \brief Gets the material at position index used by the TileMap
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*
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* \param index Index of the material to query
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*
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* \return Material at index
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*/
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inline const MaterialRef& TileMap::GetMaterial(std::size_t index) const
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{
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NazaraAssert(index < m_layers.size(), "Material out of bounds");
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return m_layers[index].material;
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}
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/*!
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* \brief Gets the maximum material count this TileMap can use
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* \return Material count
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*/
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inline std::size_t TileMap::GetMaterialCount() const
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{
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return m_layers.size();
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}
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/*!
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* \brief Gets the tilemap size (i.e. number of tiles in each dimension)
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* \return Number of tiles in each dimension
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*
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* \see GetSize
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* \see GetTileSize
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*/
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inline const Vector2ui& TileMap::GetMapSize() const
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{
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return m_mapSize;
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}
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/*!
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* \brief Returns the size of the tilemap in units (which is equivalent to GetMapSize() * GetTileSize())
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* \return Maximum size in units occupied by this tilemap
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*
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* \see GetMapSize
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* \see GetTileSize
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*/
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inline Vector2f TileMap::GetSize() const
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{
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return Vector2f(m_mapSize) * m_tileSize;
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}
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/*!
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* \brief Returns informations about a particular tile
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*
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* \param tilePos Position of the tile to get (enabled or not)
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*
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* \return Maximum size in units occupied by this tilemap
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*/
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inline const TileMap::Tile& TileMap::GetTile(const Vector2ui& tilePos) const
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{
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NazaraAssert(tilePos.x < m_mapSize.x && tilePos.y < m_mapSize.y, "Tile position is out of bounds");
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return m_tiles[tilePos.y * m_mapSize.x + tilePos.x];
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}
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/*!
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* \brief Gets the tile size (i.e. number of units occupied by a tile in each dimension)
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* \return Tile size in each dimension
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*
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* \see GetMapSize
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* \see GetSize
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*/
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inline const Vector2f& TileMap::GetTileSize() const
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{
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return m_tileSize;
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}
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/*!
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* \brief Gets the actual state of the isometric mode
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* \return True if the isometric mode is enabled
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*
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* \see EnableIsometricMode
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*/
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inline bool TileMap::IsIsometricModeEnabled() const
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{
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return m_isometricModeEnabled;
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}
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/*!
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* \brief Sets a material of the TileMap
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*
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* \param index Index of the material to change
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* \param material Material for the TileMap
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*/
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inline void TileMap::SetMaterial(std::size_t index, MaterialRef material)
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{
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NazaraAssert(index < m_layers.size(), "Material out of bounds");
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m_layers[index].material = std::move(material);
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}
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/*!
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* \brief Sets the current TileMap with the content of the other one
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* \return A reference to this
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*
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* \param TileMap The other TileMap
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*/
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inline TileMap& TileMap::operator=(const TileMap& TileMap)
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{
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InstancedRenderable::operator=(TileMap);
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m_layers = TileMap.m_layers;
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m_mapSize = TileMap.m_mapSize;
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m_tiles = TileMap.m_tiles;
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m_tileSize = TileMap.m_tileSize;
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// We do not copy final vertices because it's highly probable that our parameters are modified and they must be regenerated
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InvalidateBoundingVolume();
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InvalidateInstanceData(0xFFFFFFFF);
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return *this;
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}
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/*!
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* \brief Creates a new TileMap from the arguments
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* \return A reference to the newly created TileMap
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*
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* \param args Arguments for the TileMap
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*/
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template<typename... Args>
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TileMapRef TileMap::New(Args&&... args)
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{
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std::unique_ptr<TileMap> object(new TileMap(std::forward<Args>(args)...));
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object->SetPersistent(false);
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return object.release();
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}
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}
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#include <Nazara/Graphics/DebugOff.hpp>
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