Differential D4045 Diff 17896 ps/trunk/source/graphics/MiniMapTexture.h

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ps/trunk/source/graphics/MiniMapTexture.h

Property	Old Value	New Value
svn:eol-style	null	native \ No newline at end of property

				/* Copyright (C) 2021 Wildfire Games.
				* This file is part of 0 A.D.
				*
				* 0 A.D. is free software: you can redistribute it and/or modify
				* it under the terms of the GNU General Public License as published by
				* the Free Software Foundation, either version 2 of the License, or
				* (at your option) any later version.
				*
				* 0 A.D. is distributed in the hope that it will be useful,
				* but WITHOUT ANY WARRANTY; without even the implied warranty of
				* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
				* GNU General Public License for more details.
				*
				* You should have received a copy of the GNU General Public License
				* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
				*/

				#ifndef INCLUDED_MINIMAPTEXTURE
				#define INCLUDED_MINIMAPTEXTURE

				#include "graphics/ShaderTechniquePtr.h"
				#include "lib/ogl.h"

				class CSimulation2;
				class CTerrain;

				class CMiniMapTexture
				{
				NONCOPYABLE(CMiniMapTexture);
				public:
				CMiniMapTexture(CSimulation2& simulation);
				~CMiniMapTexture();

				/**
				* Marks the texture as dirty if it's old enough to redraw it on Render.
				*/
				void Update(const float deltaRealTime);

				/**
				* Redraws the texture if it's dirty.
				*/
				void Render();

				GLuint GetTerrainTexture() const { return m_TerrainTexture; }

				GLsizei GetTerrainTextureSize() const { return m_TextureSize; }

				/**
				* @return The maximum height for unit passage in water.
				*/
				static float GetShallowPassageHeight();

				private:
				void CreateTextures();
				void DestroyTextures();
				void RebuildTerrainTexture(const CTerrain* terrain);

				CSimulation2& m_Simulation;

				bool m_Dirty = true;

				// minimap texture handles
				GLuint m_TerrainTexture = 0;

				// texture data
				u32* m_TerrainData = nullptr;

				// map size
				ssize_t m_MapSize = 0;

				// texture size
				GLsizei m_TextureSize = 0;

				// Maximal water height to allow the passage of a unit (for underwater shallows).
				float m_ShallowPassageHeight = 0.0f;
				float m_WaterHeight = 0.0f;
				};

				#endif // INCLUDED_MINIMAPTEXTURE