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https://gitea.wildfiregames.com/0ad/0ad
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157c6af18e
Avoid cases of filenames Update years in terms and other legal(ish) documents Don't update years in license headers, since change is not meaningful Will add linter rule in seperate commit Happy recompiling everyone! Original Patch By: Nescio Comment By: Gallaecio Differential Revision: D2620 This was SVN commit r27786.
115 lines
3.8 KiB
C++
115 lines
3.8 KiB
C++
/* Copyright (C) 2022 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 "Decal.h"
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#include "graphics/Terrain.h"
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#include "maths/MathUtil.h"
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#include "ps/CStrInternStatic.h"
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CModelAbstract* CModelDecal::Clone() const
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{
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CModelDecal* clone = new CModelDecal(m_Terrain, m_Decal);
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return clone;
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}
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void CModelDecal::CalcVertexExtents(ssize_t& i0, ssize_t& j0, ssize_t& i1, ssize_t& j1)
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{
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CVector3D corner0(m_Decal.m_OffsetX + m_Decal.m_SizeX/2, 0, m_Decal.m_OffsetZ + m_Decal.m_SizeZ/2);
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CVector3D corner1(m_Decal.m_OffsetX + m_Decal.m_SizeX/2, 0, m_Decal.m_OffsetZ - m_Decal.m_SizeZ/2);
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CVector3D corner2(m_Decal.m_OffsetX - m_Decal.m_SizeX/2, 0, m_Decal.m_OffsetZ - m_Decal.m_SizeZ/2);
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CVector3D corner3(m_Decal.m_OffsetX - m_Decal.m_SizeX/2, 0, m_Decal.m_OffsetZ + m_Decal.m_SizeZ/2);
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corner0 = GetTransform().Transform(corner0);
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corner1 = GetTransform().Transform(corner1);
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corner2 = GetTransform().Transform(corner2);
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corner3 = GetTransform().Transform(corner3);
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i0 = floor(std::min(std::min(corner0.X, corner1.X), std::min(corner2.X, corner3.X)) / TERRAIN_TILE_SIZE);
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j0 = floor(std::min(std::min(corner0.Z, corner1.Z), std::min(corner2.Z, corner3.Z)) / TERRAIN_TILE_SIZE);
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i1 = ceil(std::max(std::max(corner0.X, corner1.X), std::max(corner2.X, corner3.X)) / TERRAIN_TILE_SIZE);
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j1 = ceil(std::max(std::max(corner0.Z, corner1.Z), std::max(corner2.Z, corner3.Z)) / TERRAIN_TILE_SIZE);
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i0 = Clamp<ssize_t>(i0, 0, m_Terrain->GetVerticesPerSide() - 1);
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j0 = Clamp<ssize_t>(j0, 0, m_Terrain->GetVerticesPerSide() - 1);
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i1 = Clamp<ssize_t>(i1, 0, m_Terrain->GetVerticesPerSide() - 1);
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j1 = Clamp<ssize_t>(j1, 0, m_Terrain->GetVerticesPerSide() - 1);
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}
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void CModelDecal::CalcBounds()
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{
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ssize_t i0, j0, i1, j1;
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CalcVertexExtents(i0, j0, i1, j1);
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m_WorldBounds = m_Terrain->GetVertexesBound(i0, j0, i1, j1);
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}
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void CModelDecal::SetTerrainDirty(ssize_t i0, ssize_t j0, ssize_t i1, ssize_t j1)
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{
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// Check if there's no intersection between the dirty range and this decal
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ssize_t bi0, bj0, bi1, bj1;
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CalcVertexExtents(bi0, bj0, bi1, bj1);
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if (bi1 < i0 || bi0 > i1 || bj1 < j0 || bj0 > j1)
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return;
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SetDirty(RENDERDATA_UPDATE_VERTICES);
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}
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void CModelDecal::InvalidatePosition()
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{
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m_PositionValid = false;
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}
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void CModelDecal::ValidatePosition()
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{
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if (m_PositionValid)
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{
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ENSURE(!m_Parent || m_Parent->m_PositionValid);
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return;
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}
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if (m_Parent && !m_Parent->m_PositionValid)
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{
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// Make sure we don't base our calculations on
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// a parent animation state that is out of date.
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m_Parent->ValidatePosition();
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// Parent will recursively call our validation.
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ENSURE(m_PositionValid);
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return;
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}
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m_PositionValid = true;
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}
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void CModelDecal::SetTransform(const CMatrix3D& transform)
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{
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// Since decals are assumed to be horizontal and projected downwards
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// onto the terrain, use just the Y-axis rotation and the translation
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CMatrix3D newTransform;
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newTransform.SetYRotation(transform.GetYRotation() + m_Decal.m_Angle);
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newTransform.Translate(transform.GetTranslation());
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CRenderableObject::SetTransform(newTransform);
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InvalidatePosition();
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}
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void CModelDecal::RemoveShadows()
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{
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m_Decal.m_Material.AddShaderDefine(str_DISABLE_RECEIVE_SHADOWS, str_1);
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}
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