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https://gitea.wildfiregames.com/0ad/0ad
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91652bdf6e
Fixed out of bounds memory access in Atlas due to always using global terrain in TerrainOverlay Fixed wrong player ID calculation in TerritoryOverlay This was SVN commit r10929.
131 lines
3.1 KiB
C++
131 lines
3.1 KiB
C++
/* Copyright (C) 2009 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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#include "precompiled.h"
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#include "Brushes.h"
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#include "ps/Overlay.h"
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#include "ps/Game.h"
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#include "ps/World.h"
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#include "graphics/Terrain.h"
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#include "lib/ogl.h"
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#include "maths/MathUtil.h"
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#include "renderer/TerrainOverlay.h"
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#include "simulation2/Simulation2.h"
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#include "simulation2/system/SimContext.h"
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using namespace AtlasMessage;
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class BrushTerrainOverlay : public TerrainOverlay
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{
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public:
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BrushTerrainOverlay(const Brush* brush)
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: TerrainOverlay(g_Game->GetSimulation2()->GetSimContext(), 300), m_Brush(brush)
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{
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}
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void GetTileExtents(
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ssize_t& min_i_inclusive, ssize_t& min_j_inclusive,
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ssize_t& max_i_inclusive, ssize_t& max_j_inclusive)
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{
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m_Brush->GetBottomLeft(min_i_inclusive, min_j_inclusive);
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m_Brush->GetTopRight(max_i_inclusive, max_j_inclusive);
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// But since brushes deal with vertices instead of tiles,
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// we don't want to include the top/right row
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--max_i_inclusive;
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--max_j_inclusive;
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}
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void ProcessTile(ssize_t i, ssize_t j)
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{
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ssize_t i0, j0;
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m_Brush->GetBottomLeft(i0, j0);
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// Colour this tile based on the average of the surrounding vertices
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float avg = (
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m_Brush->Get(i-i0, j-j0) + m_Brush->Get(i-i0+1, j-j0) +
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m_Brush->Get(i-i0, j-j0+1) + m_Brush->Get(i-i0+1, j-j0+1)
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) / 4.f;
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RenderTile(CColor(0, 1, 0, avg*0.8f), false);
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if (avg > 0.1f)
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RenderTileOutline(CColor(1, 1, 1, std::min(0.4f, avg-0.1f)), 1, true);
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}
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const AtlasMessage::Brush* m_Brush;
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};
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Brush::Brush()
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: m_W(0), m_H(0), m_TerrainOverlay(NULL)
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{
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}
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Brush::~Brush()
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{
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delete m_TerrainOverlay;
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}
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void Brush::SetData(ssize_t w, ssize_t h, const std::vector<float>& data)
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{
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m_W = w;
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m_H = h;
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m_Data = data;
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ENSURE(data.size() == (size_t)(w*h));
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}
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void Brush::GetCentre(ssize_t& x, ssize_t& y) const
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{
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CVector3D c = m_Centre;
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if (m_W % 2) c.X += TERRAIN_TILE_SIZE/2.f;
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if (m_H % 2) c.Z += TERRAIN_TILE_SIZE/2.f;
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ssize_t cx, cy;
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CTerrain::CalcFromPosition(c, cx, cy);
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x = cx;
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y = cy;
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}
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void Brush::GetBottomLeft(ssize_t& x, ssize_t& y) const
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{
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GetCentre(x, y);
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x -= (m_W-1)/2;
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y -= (m_H-1)/2;
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}
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void Brush::GetTopRight(ssize_t& x, ssize_t& y) const
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{
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GetBottomLeft(x, y);
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x += m_W-1;
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y += m_H-1;
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}
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void Brush::SetRenderEnabled(bool enabled)
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{
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if (enabled && !m_TerrainOverlay)
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{
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m_TerrainOverlay = new BrushTerrainOverlay(this);
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}
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else if (!enabled && m_TerrainOverlay)
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{
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delete m_TerrainOverlay;
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m_TerrainOverlay = NULL;
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}
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}
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Brush AtlasMessage::g_CurrentBrush;
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