Graphics: Add Tilemap

2022-11-25 19:28:22 +01:00
parent e555b7ab73
commit 02387b8fe3
5 changed files with 653 additions and 7 deletions
--- a/include/Nazara/Graphics/Tilemap.hpp
+++ b/include/Nazara/Graphics/Tilemap.hpp
@@ -0,0 +1,94 @@
+// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
+// This file is part of the "Nazara Engine - Graphics module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#pragma once
+
+#ifndef NAZARA_GRAPHICS_TILEMAP_HPP
+#define NAZARA_GRAPHICS_TILEMAP_HPP
+
+#include <Nazara/Prerequisites.hpp>
+#include <Nazara/Core/Color.hpp>
+#include <Nazara/Graphics/Config.hpp>
+#include <Nazara/Graphics/InstancedRenderable.hpp>
+#include <Nazara/Utility/VertexStruct.hpp>
+#include <memory>
+#include <set>
+
+namespace Nz
+{
+	class MaterialInstance;
+
+	class NAZARA_GRAPHICS_API Tilemap : public InstancedRenderable
+	{
+		public:
+			struct Tile;
+
+			Tilemap(const Vector2ui& mapSize, const Vector2f& tileSize, std::size_t materialCount = 1);
+			Tilemap(const Tilemap&) = delete;
+			Tilemap(Tilemap&&) noexcept = default;
+			~Tilemap() = default;
+
+			void BuildElement(ElementRendererRegistry& registry, const ElementData& elementData, std::size_t passIndex, std::vector<RenderElementOwner>& elements) const override;
+
+			inline void DisableTile(const Vector2ui& tilePos);
+			inline void DisableTiles();
+			inline void DisableTiles(const Vector2ui* tilesPos, std::size_t tileCount);
+
+			inline void EnableIsometricMode(bool isometric);
+
+			inline void EnableTile(const Vector2ui& tilePos, const Rectf& coords, const Color& color = Color::White, std::size_t materialIndex = 0U);
+			inline void EnableTile(const Vector2ui& tilePos, const Rectui& rect, const Color& color = Color::White, std::size_t materialIndex = 0U);
+			inline void EnableTiles(const Rectf& coords, const Color& color = Color::White, std::size_t materialIndex = 0U);
+			inline void EnableTiles(const Rectui& rect, const Color& color = Color::White, std::size_t materialIndex = 0U);
+			inline void EnableTiles(const Vector2ui* tilesPos, std::size_t tileCount, const Rectf& coords, const Color& color = Color::White, std::size_t materialIndex = 0U);
+			inline void EnableTiles(const Vector2ui* tilesPos, std::size_t tileCount, const Rectui& rect, const Color& color = Color::White, std::size_t materialIndex = 0U);
+
+			inline const Vector2ui& GetMapSize() const;
+			const std::shared_ptr<MaterialInstance>& GetMaterial(std::size_t i) const override;
+			std::size_t GetMaterialCount() const override;
+			inline Vector2f GetSize() const;
+			inline const Tile& GetTile(const Vector2ui& tilePos) const;
+			inline const Vector2f& GetTileSize() const;
+
+			inline bool IsIsometricModeEnabled() const;
+
+			void SetMaterial(std::size_t matIndex, std::shared_ptr<MaterialInstance> material);
+			inline void SetOrigin(const Vector3f& origin);
+
+			struct Tile
+			{
+				std::size_t layerIndex = 0U;
+				Color color = Color::White;
+				Rectf textureCoords = Rectf::Zero();
+				bool enabled = false;
+			};
+
+			Tilemap& operator=(const Tilemap&) = delete;
+			Tilemap& operator=(Tilemap&&) noexcept = default;
+
+		private:
+			Vector3ui GetTextureSize(std::size_t matIndex) const;
+			inline void InvalidateVertices();
+			void UpdateVertices() const;
+
+			struct Layer
+			{
+				std::set<std::size_t> tiles;
+				std::shared_ptr<MaterialInstance> material;
+			};
+
+			mutable std::vector<VertexStruct_XYZ_Color_UV> m_vertices;
+			std::vector<Tile> m_tiles;
+			std::vector<Layer> m_layers;
+			Vector2ui m_mapSize;
+			Vector2f m_tileSize;
+			Vector3f m_origin;
+			bool m_isometricModeEnabled;
+			mutable bool m_shouldRebuildVertices;
+	};
+}
+
+#include <Nazara/Graphics/Tilemap.inl>
+
+#endif // NAZARA_GRAPHICS_TILEMAP_HPP