78 lines
2.7 KiB
C++
78 lines
2.7 KiB
C++
/* Copyright (C) 2011 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef INCLUDED_GRAPHICS_OVERLAY
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#define INCLUDED_GRAPHICS_OVERLAY
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#include "graphics/RenderableObject.h"
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#include "graphics/Texture.h"
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#include "maths/Vector3D.h"
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#include "ps/Overlay.h" // CColor (TODO: that file has nothing to do with overlays, it should be renamed)
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class CTerrain;
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/**
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* Line-based overlay, with world-space coordinates, rendered in the world
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* potentially behind other objects. Designed for selection circles and debug info.
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*/
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struct SOverlayLine
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{
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SOverlayLine() : m_Thickness(1) { }
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CColor m_Color;
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std::vector<float> m_Coords; // (x, y, z) vertex coordinate triples; shape is not automatically closed
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u8 m_Thickness; // pixels
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/// Utility function; pushes three vertex coordinates at once onto the coordinates array
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void PushCoords(const float x, const float y, const float z) { m_Coords.push_back(x); m_Coords.push_back(y); m_Coords.push_back(z); }
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/// Utility function; pushes a vertex location onto the coordinates array
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void PushCoords(const CVector3D& v) { PushCoords(v.X, v.Y, v.Z); }
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};
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/**
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* Textured line overlay, with world-space coordinates, rendered in the world
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* onto the terrain. Designed for territory borders.
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*/
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struct SOverlayTexturedLine
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{
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SOverlayTexturedLine() : m_Terrain(NULL), m_Thickness(1.0f) { }
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CTerrain* m_Terrain;
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CTexturePtr m_TextureBase;
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CTexturePtr m_TextureMask;
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CColor m_Color;
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std::vector<float> m_Coords; // (x, z) vertex coordinate pairs; y is computed automatically; shape is automatically closed
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float m_Thickness; // world-space units
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shared_ptr<CRenderData> m_RenderData; // cached renderer data (shared_ptr so that copies/deletes are automatic)
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};
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/**
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* Billboard sprite overlay, with world-space coordinates, rendered on top
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* of all other objects. Designed for health bars and rank icons.
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*/
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struct SOverlaySprite
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{
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CTexturePtr m_Texture;
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CVector3D m_Position; // base position
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float m_X0, m_Y0, m_X1, m_Y1; // billboard corner coordinates, relative to base position
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};
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// TODO: OverlayText
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#endif // INCLUDED_GRAPHICS_OVERLAY
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